/*
 * Blake Crosley - Personal Website
 * Editorial Design System
 */

/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */

:root {
  /* Colors - True Minimal (black/white + subtle accent)
     60% dark bg, 30% elevated surfaces, 10% accent on CTAs only */
  --color-bg-dark: #000000;
  --color-bg-elevated: #111111;
  --color-bg-surface: #1a1a1a;
  --color-text-primary: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.65);
  --color-text-tertiary: rgba(255, 255, 255, 0.4);
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-subtle: rgba(255, 255, 255, 0.05);
  --color-border-hover: rgba(255, 255, 255, 0.2);
  --color-overlay: rgba(0, 0, 0, 0.8);
  /* Accent: subtle blue-white, only for interactive elements */
  --color-accent: #ffffff;
  --color-accent-hover: rgba(255, 255, 255, 0.85);

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;

  /* Type Scale - 1.2 ratio for consistency
     xs:12 → sm:14 → base:16 → lg:18 → xl:21 → 2xl:25 → 3xl:30 → 4xl:36 → 5xl:43 → 6xl:52 → 7xl:62 */
  --font-size-xs: 0.75rem;     /* 12px - labels, fine print */
  --font-size-sm: 0.875rem;    /* 14px - captions, nav items */
  --font-size-base: 1rem;      /* 16px - UI text */
  --font-size-lg: 1.125rem;    /* 18px - body text */
  --font-size-xl: 1.3125rem;   /* 21px - emphasized body */
  --font-size-2xl: 1.5625rem;  /* 25px - small headings */
  --font-size-3xl: 1.875rem;   /* 30px - section headings */
  --font-size-4xl: 2.25rem;    /* 36px - page titles */
  --font-size-5xl: 2.7rem;     /* 43px - large titles */
  --font-size-6xl: 3.25rem;    /* 52px - hero elements */
  --font-size-7xl: 3.875rem;   /* 62px - hero headlines */
  --font-size-display: 5rem;   /* 80px - home hero only */

  /* Spacing - 8pt grid system */
  --spacing-xs: 0.5rem;   /* 8px */
  --spacing-sm: 1rem;     /* 16px */
  --spacing-md: 1.5rem;   /* 24px */
  --spacing-lg: 2rem;     /* 32px */
  --spacing-xl: 3rem;     /* 48px */
  --spacing-2xl: 4rem;    /* 64px */
  --spacing-3xl: 6rem;    /* 96px */
  --spacing-4xl: 8rem;    /* 128px */

  /* Layout */
  --max-width: 1400px;
  --max-width-narrow: 800px;
  --max-width-wide: 1600px;
  --gutter: 48px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 32px;
  --radius-xl: 48px;
}

/* Mobile gutter adjustment - tighter padding for more content space */
@media (max-width: 768px) {
  :root {
    --gutter: var(--spacing-sm);  /* 16px on mobile for more usable space */
  }
}


/* ========================================
   Reset & Base
   ======================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-bg-dark);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Focus states for keyboard navigation */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-text-primary);
  outline-offset: 2px;
}


/* ========================================
   Layout
   ======================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.container--wide {
  max-width: var(--max-width-wide);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}


/* ========================================
   Header & Navigation
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-overlay);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.header__logo {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.01em;
}

.header__logo a {
  color: var(--color-text-primary);
}

.nav {
  display: flex;
  gap: var(--spacing-lg);
}

.nav a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-text-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav a:hover {
  color: var(--color-text-primary);
}

.nav a:hover::after {
  transform: scaleX(1);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
}

.nav__toggle-icon {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  position: relative;
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

.nav__toggle.is-open .nav__toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav__toggle.is-open .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav__toggle.is-open .nav__toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile menu - full screen overlay */
.mobile-menu {
  display: none;
}

[x-cloak] {
  display: none !important;
}

@media (max-width: 768px) {
  .header__inner {
    height: 70px;
    padding: 0 var(--spacing-md);
  }

  .nav--desktop {
    display: none;
  }

  .nav__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-menu {
    display: block;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #0a0a0a;
    z-index: 100;
  }

  .mobile-menu__nav {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl) var(--spacing-md);
    gap: var(--spacing-lg);
  }

  .mobile-menu__nav a {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    text-decoration: none;
  }
}


/* ========================================
   Footer
   ======================================== */

.footer {
  background: var(--color-bg-dark);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
}

.footer__brand {
  flex-shrink: 0;
  max-width: 280px;
}

.footer__logo {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__logo:hover {
  color: var(--color-accent);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
  line-height: 1.5;
}

.footer__columns {
  display: flex;
  gap: var(--spacing-2xl);
}

.footer__column {
  min-width: 160px;
}

.footer__heading {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
}

.footer__nav {
  display: flex;
  flex-direction: column;
}

.footer__link {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: var(--spacing-2xs) 0;
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
  width: fit-content;
}

.footer__link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-text-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.footer__link:hover {
  color: var(--color-text-primary);
}

.footer__link:hover::after {
  transform: scaleX(1);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright,
.footer__location {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

@media (max-width: 768px) {
  .footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
  }

  .footer__inner {
    flex-direction: column;
    gap: var(--spacing-xl);
  }

  .footer__brand {
    max-width: 100%;
    text-align: center;
  }

  .footer__columns {
    width: 100%;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-lg);
  }

  .footer__column {
    min-width: 140px;
    flex: 1;
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: center;
  }
}


/* ========================================
   Hero Section - Editorial
   ======================================== */

.hero {
  /* 100vh ensures nothing below fold is visible on initial paint (prevents CLS) */
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  background: var(--color-bg-dark);
}

.hero__content {
  max-width: 680px;
  padding: 0 var(--gutter);
  text-align: left;
}

.hero__title {
  font-size: var(--font-size-display);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--spacing-xl);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--spacing-md);
  max-width: 60ch;
}

.hero__subtitle a {
  color: var(--color-text-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-text-tertiary);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-fast);
}

.hero__subtitle a:hover {
  text-decoration-color: var(--color-text-primary);
}

@media (max-width: 1024px) {
  .hero__title {
    font-size: var(--font-size-6xl);
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 100vh;
    padding: calc(70px + var(--spacing-lg)) 0 var(--spacing-lg);
  }

  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
  }
}


/* ========================================
   Personal Photos - Clean Grid
   ======================================== */

.personal-photos {
  padding: 0 0 var(--spacing-3xl);
  background: var(--color-bg-dark);
}

.personal-photos__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.personal-photos__item img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* Single photo layout (used when only one photo) */
.personal-photos__single {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  /* Prevent layout shifts */
  contain: layout style;
}

.personal-photos__single img {
  width: 100%;
  height: auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-md);
}

@media (max-width: 768px) {
  .personal-photos {
    padding: var(--spacing-lg) 0 var(--spacing-2xl);
  }

  .personal-photos__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .personal-photos__item img {
    /* aspect-ratio handles responsive sizing */
  }

  .personal-photos__single img {
    /* aspect-ratio handles responsive sizing */
  }
}


/* ========================================
   Companies Section
   ======================================== */

.companies {
  padding: var(--spacing-2xl) 0 var(--spacing-3xl);
  background: var(--color-bg-dark);
}

.companies__title {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-weight: var(--font-weight-normal);
}

.companies__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg) var(--spacing-xl);
  /* Reserve minimum height to prevent CLS when logos load */
  min-height: 36px;
  contain: layout style;
}

.companies__logo {
  /* Constrain both dimensions for visual balance */
  max-width: 125px;
  max-height: 40px;
  width: auto;
  height: auto;
  opacity: 0.7;
  transition: opacity 300ms ease, transform 300ms ease, filter 300ms ease;
  /* Prevent individual logos from shifting siblings */
  contain: layout;
}

.companies__logo:hover {
  opacity: 1;
  transform: scale(1.08);
}

/* Sibling dimming on hover */
.companies__logos:hover .companies__logo:not(:hover) {
  opacity: 0.35;
  filter: blur(1px);
}

/* Legacy composite fallback */
.companies__logo-composite {
  max-width: 100%;
  height: auto;
  max-height: 80px;
  opacity: 0.5;
  filter: grayscale(1) brightness(2);
}

@media (max-width: 1100px) {
  .companies__logos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg) var(--spacing-md);
    justify-items: center;
    max-width: 700px;
    margin: 0 auto;
  }

  .companies__logo {
    max-width: 100%;
    max-height: 32px;
  }
}

@media (max-width: 768px) {
  .companies {
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-2xl);
  }

  .companies__logos {
    max-width: 500px;
    gap: var(--spacing-md) var(--spacing-sm);
  }

  .companies__logo {
    max-height: 28px;
  }

  .companies__logo-composite {
    max-height: 50px;
  }
}

@media (max-width: 480px) {
  .companies {
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-2xl);
  }

  .companies__logos {
    max-width: 350px;
    gap: var(--spacing-md) var(--spacing-sm);
  }

  .companies__logo {
    max-height: 24px;
  }
}


/* ========================================
   Projects Section
   ======================================== */

.projects {
  padding: var(--spacing-3xl) 0 var(--spacing-4xl);
  background: var(--color-bg-dark);
}

.projects__header {
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.projects__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
}

.projects__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}


/* ========================================
   Project Card - Clean Uniform Layout
   ======================================== */

.project-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  padding: var(--spacing-xl);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: border-color 300ms ease, opacity 300ms ease, transform 300ms ease;
}

.project-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

/* Sibling dimming on hover */
.projects__list:hover .project-card:not(:hover) {
  opacity: 0.6;
}

/* Alpine.js cloak - hide until initialized */
[x-cloak] {
  display: none !important;
}

.project-card__image {
  grid-column: 1;
  grid-row: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.project-card__image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.project-card__content {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.project-card__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.project-card__description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.project-card__description a {
  color: var(--color-text-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-text-tertiary);
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-bg-dark);
  background: var(--color-text-primary);
  border-radius: var(--radius-sm);
  transition: opacity var(--transition-fast);
  width: fit-content;
}

.project-card__link:hover {
  opacity: 0.85;
}

.project-card__badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.project-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.project-card__badge:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

.project-card__badge svg {
  width: 14px;
  height: 14px;
}

.project-card__app-store {
  display: inline-block;
  transition: opacity var(--transition-fast);
}

.project-card__app-store:hover {
  opacity: 0.8;
}

.project-card__app-store img {
  display: block;
  height: 36px;
  width: auto;
}

@media (max-width: 1024px) {
  .project-card {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }

  .project-card__title {
    font-size: var(--font-size-xl);
  }
}

@media (max-width: 768px) {
  .project-card {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }

  .project-card__image {
    grid-column: 1;
    grid-row: 1;
  }

  .project-card__content {
    grid-column: 1;
    grid-row: 2;
  }

  .project-card__title {
    font-size: var(--font-size-xl);
  }
}


/* ========================================
   Social Section
   ======================================== */

.social {
  padding: var(--spacing-3xl) 0;
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
}

.social__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.social__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}

.social-card {
  --index: 0;
  display: block;
  text-align: center;
  opacity: 0;
  transform: translateY(16px);
  animation: socialCardIn 500ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
  animation-delay: calc(var(--index) * 80ms);
  transition: opacity 300ms ease, transform 300ms ease;
}

@keyframes socialCardIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.social-card__image {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
  aspect-ratio: 1;
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.social-card:hover {
  transform: translateY(-4px);
}

.social-card:hover .social-card__image {
  transform: scale(1.04);
}

.social-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 300ms ease;
}

.social-card__name {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color 200ms ease;
}

.social-card:hover .social-card__name {
  color: var(--color-text-primary);
}

/* Dim siblings on hover */
.social__grid:hover .social-card:not(:hover) {
  opacity: 0.5;
}

.social__grid:hover .social-card:not(:hover) .social-card__image img {
  filter: brightness(0.7);
}

@media (max-width: 768px) {
  .social {
    padding: var(--spacing-2xl) 0;
  }

  .social__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .social__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
  }
}


/* ========================================
   In the Lab Section
   ======================================== */

.lab-section {
  padding: var(--spacing-3xl) 0;
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
}

.lab-section .section-header {
  margin-bottom: var(--spacing-xl);
}

.lab-section .section-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-xs);
}

.lab-section .section-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-md);
}

.lab-card {
  position: relative;
  display: block;
  text-decoration: none;
  background: linear-gradient(135deg, var(--color-bg-elevated) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  transition: all var(--transition-fast);
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px);
  animation: labCardIn 400ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
  animation-delay: calc(var(--index) * 100ms);
}

@keyframes labCardIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lab-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.1);
}

.lab-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-fast);
}

.lab-card__icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.lab-card:hover .lab-card__icon {
  background: rgba(255, 255, 255, 0.1);
}

.lab-card:hover .lab-card__icon svg {
  color: var(--color-accent);
}

.lab-card__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.lab-card__domain {
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.lab-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-md);
}

.lab-card__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 100px;
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.lab-card__pulse {
  width: 6px;
  height: 6px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.lab-card__arrow {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 24px;
  height: 24px;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: all var(--transition-fast);
}

.lab-card__arrow svg {
  width: 100%;
  height: 100%;
  color: var(--color-text-tertiary);
}

.lab-card:hover .lab-card__arrow {
  opacity: 1;
  transform: translate(0, 0);
}

@media (max-width: 768px) {
  .lab-section {
    padding: var(--spacing-2xl) 0;
  }

  .lab-grid {
    gap: var(--spacing-sm);
  }

  .lab-card__arrow {
    opacity: 0.5;
    transform: translate(0, 0);
  }
}


/* ========================================
   Contact Section
   ======================================== */

.contact {
  padding: var(--spacing-3xl) 0 var(--spacing-4xl);
  background: var(--color-bg-dark);
}

.contact__inner {
  max-width: 700px;
  margin: 0 auto;
}

.contact__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.contact__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  text-align: center;
  max-width: 500px;
  margin: 0 auto var(--spacing-lg);
}

.contact-form {
  background: var(--color-bg-elevated);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.contact-form__group {
  margin-bottom: var(--spacing-md);
}

.contact-form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.contact-form__required {
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
}

.contact-form__name-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.contact-form__field {
  display: flex;
  flex-direction: column;
}

.contact-form__field-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.contact-form__input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-surface);
  transition: border-color var(--transition-fast);
}

.contact-form__input:focus {
  outline: 2px solid var(--color-text-primary);
  outline-offset: 2px;
  border-color: var(--color-text-tertiary);
}

.contact-form__input::placeholder {
  color: var(--color-text-tertiary);
}

.contact-form__textarea {
  resize: vertical;
  min-height: 100px;
  max-height: 300px;
}

.contact-success {
  padding: var(--spacing-lg) var(--spacing-md);
  margin-top: var(--spacing-lg);
  background: rgba(0, 255, 65, 0.05);
  border: 1px solid rgba(0, 255, 65, 0.2);
  border-radius: 4px;
}

.contact-success__prompt {
  color: #00ff41;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: var(--font-size-base);
  text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
  margin-right: 0.5em;
}

.contact-success__text {
  color: #00ff41;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: var(--font-size-base);
  text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.contact-success__blink {
  animation: terminal-blink 1s step-end infinite;
}

@keyframes terminal-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.contact-success__subtext {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

/* Error state - red terminal */
.contact-error {
  padding: var(--spacing-lg) var(--spacing-md);
  margin-top: var(--spacing-lg);
  background: rgba(255, 50, 50, 0.05);
  border: 1px solid rgba(255, 50, 50, 0.2);
  border-radius: 4px;
}

.contact-error__prompt {
  color: #ff3232;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: var(--font-size-base);
  text-shadow: 0 0 10px rgba(255, 50, 50, 0.5);
  margin-right: 0.5em;
}

.contact-error__text {
  color: #ff3232;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: var(--font-size-base);
  text-shadow: 0 0 10px rgba(255, 50, 50, 0.5);
}

.contact-error__subtext {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

.contact-form__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  min-width: 180px;
  height: 48px;
  padding: 0 var(--spacing-xl);
  margin-top: var(--spacing-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-bg-dark);
  background: var(--color-text-primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.contact-form__submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.contact-form__submit:active:not(:disabled) {
  transform: translateY(0) scale(0.98);
}

.contact-form__submit:disabled {
  cursor: wait;
}

/* Idle state - visible by default */
.contact-form__submit-idle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.contact-form__submit-label {
  line-height: 1;
}

.contact-form__submit-arrow-wrap {
  position: relative;
  top: 1px; /* Optical alignment - text cap-height sits higher than box center */
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.contact-form__submit-arrow-wrap svg {
  display: block;
  width: 16px;
  height: 16px;
}

.contact-form__submit:hover:not(:disabled) .contact-form__submit-arrow-wrap {
  transform: translateX(3px);
}

/* Sending state - hidden by default */
.contact-form__submit-sending {
  display: none;
  align-items: center;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 14px;
  letter-spacing: 0.5px;
}

/* When sending: swap visibility */
.contact-form__submit.is-sending .contact-form__submit-idle {
  display: none;
}

.contact-form__submit.is-sending .contact-form__submit-sending {
  display: inline-flex;
}

/* Sending state - terminal aesthetic */
.contact-form__submit.is-sending {
  background: var(--color-bg-elevated);
  color: #00ff41;
  border: 1px solid rgba(0, 255, 65, 0.3);
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.1), inset 0 0 20px rgba(0, 255, 65, 0.05);
}

.contact-form__submit-prompt {
  margin-right: 6px;
  opacity: 0.7;
}

.contact-form__submit-cursor {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@media (max-width: 768px) {
  .contact {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
  }

  .contact__title {
    font-size: var(--font-size-2xl);
  }

  .contact-form {
    padding: var(--spacing-lg);
  }

  .contact-form__name-fields {
    grid-template-columns: 1fr;
  }
}


/* ========================================
   About Page
   ======================================== */

.about {
  padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-3xl);
  background: var(--color-bg-dark);
}

.about__content {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.about__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.about__lead {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.about__text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.about__text a {
  color: var(--color-text-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-text-tertiary);
}

.about__text--closing {
  color: var(--color-text-primary);
  font-style: italic;
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.about__image {
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.about__image img {
  width: 100%;
  height: auto;
}

.about__image--portrait {
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.about__quote {
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  font-style: italic;
  border-left: 2px solid var(--color-text-tertiary);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

@media (max-width: 768px) {
  .about__title {
    font-size: var(--font-size-2xl);
  }

  .about__lead {
    font-size: var(--font-size-lg);
  }

  .about__image--portrait {
    max-width: 100%;
  }
}


/* ========================================
   Case Study
   ======================================== */

.case-study {
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-4xl);
  background: var(--color-bg-dark);
}

.case-study__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  padding: 0 var(--gutter);
}

.case-study__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.case-study__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

.case-study__hero-image {
  margin-bottom: var(--spacing-3xl);
  border-radius: var(--radius-md);
  overflow: visible;
}

.case-study__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

.case-study__section {
  margin-bottom: var(--spacing-2xl);
}

.case-study__section--highlight {
  background: var(--color-bg-elevated);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.case-study__section--team {
  text-align: center;
}

.case-study__section--closing {
  /* Visual distinction through spacing and accent, not centered text */
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border-subtle);
}

.case-study__section--closing .case-study__section-title {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: var(--font-weight-medium);
}

.case-study__section--closing .case-study__content p {
  font-size: var(--font-size-lg);
  line-height: 1.75;
  color: var(--color-text-primary);
}

.case-study__section-title {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-semibold);
}

.case-study__content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.case-study__content p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
  max-width: 65ch;
}

/* Team section paragraphs stay centered (short content) */
.case-study__section--team .case-study__content p {
  margin-left: auto;
  margin-right: auto;
}

.case-study__lead {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  line-height: 1.6;
}

.case-study__highlight {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

.case-study__highlight a {
  color: var(--color-text-primary);
  text-decoration: underline;
}

.case-study__image {
  margin: var(--spacing-xl) 0;
}

.case-study__image img {
  border-radius: var(--radius-md);
  max-width: 100%;
  height: auto;
}

.case-study__image--full {
  max-width: 100%;
}

/* Lightbox trigger affordance for case study images */
.case-study__image[data-lightbox],
.case-study__hero-image[data-lightbox] {
  cursor: zoom-in;
}

.case-study__image[data-lightbox] img,
.case-study__hero-image[data-lightbox] img {
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1), opacity 200ms ease;
}

.case-study__image[data-lightbox]:hover img,
.case-study__hero-image[data-lightbox]:hover img {
  transform: scale(1.015);
  opacity: 0.92;
}

.case-study__image figcaption {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  text-align: center;
  margin-top: var(--spacing-sm);
  font-style: italic;
}

.case-study__team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.case-study__team-grid--small {
  grid-template-columns: repeat(3, 1fr);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.team-member {
  text-align: center;
}

.team-member__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.team-member__role {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* Team Photo Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.team-card {
  text-align: center;
}

.team-card__image {
  background: var(--color-bg-surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  aspect-ratio: 1;
  overflow: hidden;
}

.team-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.team-card__role {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

@media (max-width: 1024px) {
  .team-grid,
  .case-study__team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
}

.case-study__principles-list {
  list-style: none;
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.case-study__principles-list li {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.case-study__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.metric {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.metric__value {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.02em;
}

.metric__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  line-height: 1.5;
}

.case-study__checkpoint {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  margin: var(--spacing-xl) 0;
  border: 1px solid var(--color-border);
}

.case-study__checkpoint p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  font-style: italic;
  max-width: none;
}

.case-study__cta {
  display: inline-block;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--transition-fast);
}

.case-study__cta:hover {
  opacity: 0.7;
}

.case-study__nav {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.case-study__nav-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  font-weight: var(--font-weight-medium);
}

.case-study__nav-link:hover {
  color: var(--color-text-primary);
}

@media (max-width: 768px) {
  .case-study__title {
    font-size: var(--font-size-2xl);
  }

  .case-study__section--highlight {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
  }

  .case-study__team-grid,
  .case-study__team-grid--small {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-study__metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric__value {
    font-size: var(--font-size-3xl);
  }

  .case-study__nav {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}


/* ========================================
   Blog
   ======================================== */

.blog {
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-4xl);
  background: var(--color-bg-dark);
}

.blog__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xl);
  letter-spacing: -0.02em;
}

.blog__empty {
  text-align: center;
  padding: var(--spacing-2xl) 0;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-base);
}


/* ========================================
   404 Page
   ======================================== */

.not-found {
  text-align: center;
  padding: calc(80px + var(--spacing-4xl)) 0;
  background: var(--color-bg-dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.not-found__title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.not-found__text {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.not-found__link {
  display: inline-flex;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-bg-dark);
  background: var(--color-text-primary);
  border-radius: var(--radius-sm);
  transition: opacity var(--transition-fast);
}

.not-found__link:hover {
  opacity: 0.85;
}


/* ========================================
   Section Title (shared)
   ======================================== */

.section-title {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  font-weight: var(--font-weight-normal);
}


/* ========================================
   Lightbox - Native-feeling image viewer
   ======================================== */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease, visibility 200ms ease;
  cursor: zoom-out;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__image {
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  opacity: 0;
  transition: transform 300ms cubic-bezier(0.34, 1.56, 0.64, 1), opacity 200ms ease;
  cursor: default;
}

.lightbox.is-open .lightbox__image {
  transform: scale(1);
  opacity: 1;
}

.lightbox__close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background 200ms ease, transform 200ms ease;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.lightbox__close svg {
  width: 20px;
  height: 20px;
}

/* Clickable image trigger */
.project-card__image[data-lightbox] {
  cursor: zoom-in;
}

.project-card__image[data-lightbox] img {
  transition: transform 300ms ease;
}

.project-card__image[data-lightbox]:hover img {
  transform: scale(1.02);
}

@media (max-width: 768px) {
  .lightbox {
    padding: var(--spacing-sm);
  }

  .lightbox__image {
    max-width: 95vw;
    max-height: 85vh;
    border-radius: var(--radius-sm);
  }

  .lightbox__close {
    top: var(--spacing-md);
    right: var(--spacing-md);
  }
}


/* ========================================
   Blog
   ======================================== */

.blog {
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  min-height: 100vh;
}

.blog__header {
  margin-bottom: var(--spacing-3xl);
}

.blog__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
}

.blog__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

.blog__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.blog__item {
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: var(--spacing-lg);
}

.blog__item:last-child {
  border-bottom: none;
}

.blog__item-link {
  display: block;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.blog__item-link:hover {
  transform: translateX(4px);
}

.blog__item-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-xs);
}

.blog__item-badge {
  display: inline-block;
  background: var(--color-accent);
  color: #000;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.blog__item-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
}

.blog__item-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.blog__item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.blog__tag {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  background: var(--color-bg-surface);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.blog__empty {
  text-align: center;
  padding: var(--spacing-3xl) 0;
  color: var(--color-text-secondary);
}

/* Blog Post */
.blog-post {
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  min-height: 100vh;
}

.blog-post__back {
  display: inline-block;
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-lg);
  transition: color var(--transition-fast);
}

.blog-post__back:hover {
  color: var(--color-text-primary);
}

.blog-post__header {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-subtle);
}

.blog-post__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
}

.blog-post__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-sm);
}

.blog-post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.blog-post__footer {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-subtle);
}

/* ========================================
   Guide
   ======================================== */

.guide {
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  min-height: 100vh;
}

.guide__header {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-subtle);
}

.guide__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
}

.guide__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.guide__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.guide__toc {
  background: var(--color-bg-surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.guide__toc-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-md);
}

.guide__toc-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.guide__toc-links > ul > li {
  margin-bottom: var(--spacing-sm);
}

.guide__toc-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.guide__toc-links a:hover {
  color: var(--color-text-primary);
}

.guide__toc-h2 > a {
  font-weight: var(--font-weight-medium);
}

.guide__toc-h3 {
  padding-left: var(--spacing-md);
}

.guide__toc-h2 > ul {
  margin-top: var(--spacing-xs);
}

.guide__footer {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-subtle);
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

.guide__footer a {
  color: var(--color-text-secondary);
}

/* ========================================
   Terminal Guide (Retro CRT Theme)
   ======================================== */

/* Terminal color palette - Phosphorus Orange */
.terminal-guide {
  --term-bg: #0a0a0a;
  --term-bg-elevated: #111111;
  --term-phosphor: #ff9500;
  --term-phosphor-dim: #cc7700;
  --term-phosphor-bright: #ffaa00;
  --term-phosphor-glow: rgba(255, 149, 0, 0.4);
  --term-green: #33ff66;
  --term-cyan: #00e5ff;
  --term-red: #ff5555;
  --term-blue: #5588ff;
  --term-purple: #cc77ff;
  --term-text: #e0e0e0;
  --term-text-dim: #888888;
  --term-border: rgba(255, 149, 0, 0.3);
  --term-font: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

.terminal-guide {
  position: relative;
  min-height: 100vh;
  background: var(--term-bg);
  padding: calc(80px + var(--spacing-lg)) var(--spacing-md) var(--spacing-xl);
  font-family: var(--term-font);
  overflow: hidden;
}

/* Scanlines overlay */
.terminal-scanlines {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 10;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15) 0px,
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  animation: scanline-flicker 0.05s infinite;
}

@keyframes scanline-flicker {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 0.85; }
}

/* Terminal window container */
.terminal-window {
  max-width: 1000px;
  margin: 0 auto;
  background: var(--term-bg);
  border: 1px solid var(--term-border);
  border-radius: var(--radius-md);
  box-shadow:
    0 0 40px rgba(255, 149, 0, 0.1),
    inset 0 0 80px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  position: relative;
}

/* CRT screen curvature effect */
.terminal-window::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    ellipse at center,
    transparent 0%,
    rgba(0, 0, 0, 0.2) 90%,
    rgba(0, 0, 0, 0.4) 100%
  );
  pointer-events: none;
  z-index: 5;
}

/* Title bar */
.terminal-titlebar {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--term-bg-elevated);
  border-bottom: 1px solid var(--term-border);
}

.terminal-buttons {
  display: flex;
  gap: 8px;
}

.terminal-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--term-text-dim);
}

.terminal-btn--close { background: var(--term-red); }
.terminal-btn--minimize { background: var(--term-phosphor); }
.terminal-btn--maximize { background: var(--term-green); }

.terminal-title {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--term-text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-prompt {
  color: var(--term-green);
}

.terminal-path {
  color: var(--term-cyan);
}

.terminal-cmd {
  color: var(--term-phosphor);
}

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--term-phosphor);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Terminal body */
.terminal-body {
  padding: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

/* Claude character + ASCII container */
.terminal-art,
.claude-code-card__art {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  margin-left: -4px; /* optical centering */
}

/* Claude character */
.terminal-character,
.claude-code-card__character {
  font-family: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Monaco, Consolas, 'Courier New', monospace;
  font-size: 1.5rem;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--term-phosphor);
  text-shadow: 0 0 20px var(--term-phosphor-glow);
  margin: 0;
  padding: 0;
  white-space: pre;
}

/* ASCII art - bulletproof monospace */
.terminal-ascii,
.claude-code-card__ascii {
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
}

.terminal-ascii code,
.claude-code-card__ascii code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 11px;
  line-height: 1.2;
  letter-spacing: 0;
  word-spacing: 0;
  font-variant-ligatures: none;
  font-feature-settings: normal;
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: unset;
  text-rendering: geometricPrecision;
  color: var(--term-phosphor);
  text-shadow: 0 0 15px var(--term-phosphor-glow);
  display: block;
  white-space: pre;
  tab-size: 8;
}

.terminal-glow-pulse {
  animation: glow-pulse 2s ease-out;
}

@keyframes glow-pulse {
  0% {
    text-shadow: 0 0 20px var(--term-phosphor-glow), 0 0 40px var(--term-phosphor-glow);
    opacity: 0;
  }
  20% { opacity: 1; }
  100% {
    text-shadow: 0 0 10px var(--term-phosphor-glow);
  }
}

/* Output header */
.terminal-output-header {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--term-border);
}

.terminal-main-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--term-phosphor);
  text-shadow: 0 0 20px var(--term-phosphor-glow);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

.terminal-description {
  font-size: var(--font-size-base);
  color: var(--term-text-dim);
  margin-bottom: var(--spacing-md);
}

.terminal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.terminal-meta-item {
  color: var(--term-text-dim);
}

.terminal-meta-label {
  color: var(--term-cyan);
}

/* Table of contents - Directory listing style */
.terminal-toc {
  background: rgba(255, 149, 0, 0.05);
  border: 1px solid var(--term-border);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.terminal-toc-header {
  font-size: var(--font-size-sm);
  color: var(--term-text-dim);
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px dashed var(--term-border);
}

.terminal-dir-listing {
  font-size: var(--font-size-sm);
}

.terminal-dir-header {
  color: var(--term-cyan);
  margin-bottom: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--term-border);
}

.terminal-dir-perm {
  color: var(--term-text-dim);
}

.terminal-dir-size {
  color: var(--term-phosphor);
}

.terminal-dir-row {
  display: block;
  padding: 4px 0;
  color: var(--term-text);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-radius: 2px;
}

.terminal-dir-row:hover {
  background: rgba(255, 149, 0, 0.1);
  color: var(--term-phosphor);
  padding-left: var(--spacing-xs);
}

.terminal-dir-row:hover .terminal-dir-name {
  color: var(--term-phosphor-bright);
  text-shadow: 0 0 8px var(--term-phosphor-glow);
}

.terminal-dir-num {
  color: var(--term-purple);
  margin: 0 var(--spacing-xs);
}

.terminal-dir-name {
  color: var(--term-phosphor);
}

/* Content area */
.terminal-content {
  margin-bottom: var(--spacing-xl);
}

.terminal-content-header {
  font-size: var(--font-size-sm);
  color: var(--term-text-dim);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px dashed var(--term-border);
}

/* Terminal prose - Override default prose styles */
.terminal-prose {
  color: var(--term-text);
  font-size: var(--font-size-base);
  line-height: 1.8;
}

.terminal-prose h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--term-phosphor);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--term-border);
  text-shadow: 0 0 10px var(--term-phosphor-glow);
}

.terminal-prose h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--term-phosphor-dim);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.terminal-prose h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--term-cyan);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.terminal-prose p {
  margin-bottom: var(--spacing-md);
}

.terminal-prose a {
  color: var(--term-cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--term-cyan);
  transition: all var(--transition-fast);
}

.terminal-prose a:hover {
  color: var(--term-phosphor-bright);
  border-color: var(--term-phosphor-bright);
  text-shadow: 0 0 8px var(--term-phosphor-glow);
}

.terminal-prose strong {
  color: var(--term-phosphor);
  font-weight: var(--font-weight-semibold);
}

.terminal-prose em {
  color: var(--term-phosphor-dim);
  font-style: italic;
}

.terminal-prose ul,
.terminal-prose ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.terminal-prose li {
  margin-bottom: var(--spacing-xs);
}

.terminal-prose li::marker {
  color: var(--term-phosphor);
}

/* Terminal code blocks */
.terminal-prose code {
  font-family: var(--term-font);
  font-size: 0.9em;
  background: rgba(255, 149, 0, 0.1);
  color: var(--term-phosphor);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--term-border);
}

.terminal-prose pre {
  background: var(--term-bg);
  border: 1px solid var(--term-border);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
  position: relative;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.terminal-prose pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--term-text);
  display: block;
  line-height: 1.6;
  text-shadow: 0 0 2px rgba(255, 149, 0, 0.2);
}

/* Syntax highlighting - Terminal theme */
.terminal-prose .highlight .c,
.terminal-prose .highlight .c1,
.terminal-prose .highlight .cm { color: var(--term-text-dim); } /* Comments */
.terminal-prose .highlight .k,
.terminal-prose .highlight .kn,
.terminal-prose .highlight .kd,
.terminal-prose .highlight .kp { color: var(--term-phosphor); font-weight: bold; } /* Keywords */
.terminal-prose .highlight .s,
.terminal-prose .highlight .s1,
.terminal-prose .highlight .s2,
.terminal-prose .highlight .se { color: var(--term-green); } /* Strings */
.terminal-prose .highlight .n,
.terminal-prose .highlight .na,
.terminal-prose .highlight .nb,
.terminal-prose .highlight .nc,
.terminal-prose .highlight .nf { color: var(--term-cyan); } /* Names */
.terminal-prose .highlight .mi,
.terminal-prose .highlight .mf,
.terminal-prose .highlight .mh { color: var(--term-purple); } /* Numbers */
.terminal-prose .highlight .o,
.terminal-prose .highlight .p { color: var(--term-text); } /* Operators, Punctuation */
.terminal-prose .highlight .err { color: var(--term-red); } /* Errors */

/* Blockquotes */
.terminal-prose blockquote {
  border-left: 3px solid var(--term-phosphor);
  margin: var(--spacing-md) 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 149, 0, 0.05);
  color: var(--term-phosphor-dim);
  font-style: italic;
}

.terminal-prose blockquote p:last-child {
  margin-bottom: 0;
}

/* Tables */
.terminal-prose table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.terminal-prose th {
  background: rgba(255, 149, 0, 0.1);
  color: var(--term-phosphor);
  font-weight: var(--font-weight-semibold);
  text-align: left;
  padding: var(--spacing-sm);
  border: 1px solid var(--term-border);
}

.terminal-prose td {
  padding: var(--spacing-sm);
  border: 1px solid var(--term-border);
  color: var(--term-text);
}

.terminal-prose tr:nth-child(even) td {
  background: rgba(255, 149, 0, 0.03);
}

/* Horizontal rules */
.terminal-prose hr {
  border: none;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--term-phosphor),
    transparent
  );
  margin: var(--spacing-xl) 0;
  opacity: 0.5;
}

/* Footer */
.terminal-footer {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--term-border);
}

.terminal-footer-line {
  font-size: var(--font-size-sm);
  color: var(--term-text-dim);
  margin-bottom: var(--spacing-xs);
}

.terminal-footer-output {
  font-size: var(--font-size-sm);
  color: var(--term-phosphor-dim);
  margin-bottom: var(--spacing-lg);
}

.terminal-footer-output a {
  color: var(--term-cyan);
  text-decoration: none;
}

.terminal-footer-output a:hover {
  color: var(--term-phosphor);
}

/* Status bar (vim-style) */
.terminal-status-bar {
  display: flex;
  background: var(--term-bg-elevated);
  border: 1px solid var(--term-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  overflow: hidden;
}

.terminal-status-item {
  padding: 6px var(--spacing-sm);
  color: var(--term-text-dim);
  border-right: 1px solid var(--term-border);
}

.terminal-status-item:first-child {
  background: var(--term-phosphor);
  color: var(--term-bg);
  font-weight: var(--font-weight-semibold);
}

.terminal-status-right {
  margin-left: auto;
  border-right: none;
  border-left: 1px solid var(--term-border);
  color: var(--term-green);
}

/* Responsive */
@media (max-width: 768px) {
  .terminal-guide {
    padding: calc(70px + var(--spacing-sm)) var(--spacing-sm) var(--spacing-lg);
  }

  .terminal-character {
    font-size: 1.2rem;
  }

  .terminal-ascii {
    display: none;
  }

  .terminal-main-title {
    font-size: var(--font-size-2xl);
  }

  .terminal-dir-perm {
    display: none;
  }

  .terminal-title {
    font-size: var(--font-size-xs);
  }

  .terminal-prose pre {
    font-size: var(--font-size-sm);
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .terminal-scanlines {
    animation: none;
    opacity: 0.5;
  }

  .terminal-cursor {
    animation: none;
    opacity: 1;
  }

  .terminal-glow-pulse {
    animation: none;
  }
}

/* ========================================
   Terminal Guide - Navigation Components
   ======================================== */

/* Reading Progress Bar */
.terminal-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(0, 0, 0, 0.3);
  z-index: 1100;
}

.terminal-progress__bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--term-phosphor), var(--term-phosphor-bright));
  box-shadow: 0 0 10px var(--term-phosphor-glow), 0 0 5px var(--term-phosphor);
  transition: width 0.1s ease-out;
}

/* Sticky Sidebar TOC (Desktop) */
.terminal-sidebar {
  position: fixed;
  left: 20px;
  top: 100px;
  bottom: 100px;
  width: 280px;
  max-height: calc(100vh - 200px);
  background: var(--term-bg-elevated);
  border: 1px solid var(--term-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  font-family: var(--term-font);
  display: flex;
  flex-direction: column;
}

.terminal-sidebar--visible {
  opacity: 1;
  visibility: visible;
}

.terminal-sidebar__header {
  font-size: var(--font-size-xs);
  color: var(--term-text-dim);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-bottom: 1px solid var(--term-border);
  margin-bottom: var(--spacing-xs);
}

.terminal-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.terminal-sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--term-text-dim);
  font-size: 12px;
  line-height: 1.4;
  transition: all 0.15s ease;
  min-width: 0;
}

.terminal-sidebar__link:hover {
  background: rgba(255, 149, 0, 0.1);
  color: var(--term-phosphor);
}

.terminal-sidebar__link--active {
  background: rgba(255, 149, 0, 0.15);
  color: var(--term-phosphor);
  box-shadow: inset 3px 0 0 var(--term-phosphor);
}

.terminal-sidebar__link--active .terminal-sidebar__num {
  color: var(--term-phosphor-bright);
}

.terminal-sidebar__num {
  color: var(--term-text-dim);
  font-weight: bold;
  min-width: 24px;
  flex-shrink: 0;
}

.terminal-sidebar__title {
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-sidebar__footer {
  font-size: 10px;
  color: var(--term-text-dim);
  padding: var(--spacing-sm);
  border-top: 1px solid var(--term-border);
  margin-top: auto;
  text-align: center;
  flex-shrink: 0;
  background: var(--term-bg-elevated);
}

.terminal-sidebar__key {
  display: inline-block;
  background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
  border: 1px solid rgba(255, 149, 0, 0.4);
  border-bottom: 2px solid rgba(255, 149, 0, 0.3);
  border-radius: 4px;
  padding: 2px 8px;
  font-family: var(--term-font);
  font-size: 11px;
  font-weight: bold;
  color: var(--term-phosphor);
  text-shadow: 0 0 4px var(--term-phosphor-glow);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  margin: 0 2px;
}

/* Mobile TOC Toggle Button */
.terminal-toc-toggle {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 56px;
  height: 56px;
  background: var(--term-bg-elevated);
  border: 2px solid var(--term-phosphor);
  border-radius: 50%;
  color: var(--term-phosphor);
  font-family: var(--term-font);
  cursor: pointer;
  z-index: 100;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 15px var(--term-phosphor-glow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.terminal-toc-toggle:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.6), 0 0 25px var(--term-phosphor-glow);
}

.terminal-toc-toggle__icon {
  font-size: 18px;
  line-height: 1;
}

.terminal-toc-toggle__label {
  font-size: 9px;
  font-weight: bold;
  letter-spacing: 0.5px;
}

/* Mobile TOC Drawer */
.terminal-drawer {
  position: fixed;
  inset: 0;
  z-index: 1000;
  visibility: hidden;
  pointer-events: none;
}

.terminal-drawer--open {
  visibility: visible;
  pointer-events: auto;
}

.terminal-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.terminal-drawer--open .terminal-drawer__backdrop {
  opacity: 1;
}

.terminal-drawer__content {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 300px;
  max-width: 85vw;
  background: var(--term-bg-elevated);
  border-left: 1px solid var(--term-border);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  font-family: var(--term-font);
}

.terminal-drawer--open .terminal-drawer__content {
  transform: translateX(0);
}

.terminal-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--term-border);
  color: var(--term-text-dim);
  font-size: var(--font-size-sm);
}

.terminal-drawer__close {
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--term-border);
  border-radius: var(--radius-sm);
  color: var(--term-text-dim);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.terminal-drawer__close:hover {
  background: rgba(255, 149, 0, 0.1);
  border-color: var(--term-phosphor);
  color: var(--term-phosphor);
}

.terminal-drawer__nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Back to Top Button */
.terminal-back-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  background: var(--term-bg-elevated);
  border: 1px solid var(--term-phosphor);
  border-radius: var(--radius-sm);
  color: var(--term-phosphor);
  font-family: var(--term-font);
  cursor: pointer;
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: all 0.2s ease;
}

.terminal-back-top:hover {
  background: var(--term-phosphor);
  color: var(--term-bg);
  box-shadow: 0 0 20px var(--term-phosphor-glow);
}

.terminal-back-top__arrow {
  font-size: 18px;
  line-height: 1;
}

.terminal-back-top__label {
  font-size: 8px;
  font-weight: bold;
  letter-spacing: 0.5px;
}

.terminal-back-top[hidden] {
  display: none;
}

/* Section Navigation (Prev/Next) */
.terminal-section-nav {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--term-border);
}

.terminal-section-nav__btn {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--term-bg-elevated);
  border: 1px solid var(--term-border);
  border-radius: var(--radius-sm);
  color: var(--term-text);
  font-family: var(--term-font);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.terminal-section-nav__btn--next {
  text-align: right;
  flex-direction: row-reverse;
}

.terminal-section-nav__btn:hover:not(:disabled) {
  border-color: var(--term-phosphor);
  box-shadow: 0 0 10px var(--term-phosphor-glow);
}

.terminal-section-nav__btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.terminal-section-nav__arrow {
  font-size: var(--font-size-lg);
  color: var(--term-phosphor);
}

.terminal-section-nav__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.terminal-section-nav__label {
  font-size: 10px;
  color: var(--term-text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.terminal-section-nav__title {
  font-size: var(--font-size-sm);
  color: var(--term-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Active state for inline TOC */
.terminal-dir-row--active {
  background: rgba(255, 149, 0, 0.15);
  border-left: 2px solid var(--term-phosphor);
  margin-left: -2px;
  padding-left: calc(var(--spacing-sm) + 2px);
}

.terminal-dir-row--active .terminal-dir-name {
  color: var(--term-phosphor);
}

/* Hide sidebar on narrow screens */
@media (max-width: 1500px) {
  .terminal-sidebar {
    display: none;
  }
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .terminal-toc-toggle {
    display: flex;
  }

  .terminal-back-top {
    bottom: 90px;
  }

  .terminal-section-nav {
    flex-direction: column;
  }

  .terminal-section-nav__btn--next {
    flex-direction: row;
    text-align: left;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .terminal-progress__bar {
    transition: none;
  }

  .terminal-sidebar {
    transition: none;
  }

  .terminal-drawer__backdrop,
  .terminal-drawer__content {
    transition: none;
  }
}

/* ========================================
   Canvas Guide (Creative/Gallery Theme)
   For Midjourney and visual content guides
   ======================================== */

/* Canvas color palette - Gradient creative */
.canvas-guide {
  --canvas-bg: #0a0a0f;
  --canvas-bg-elevated: #12121a;
  --canvas-surface: #1a1a24;
  --canvas-accent-1: #7c3aed;  /* Violet */
  --canvas-accent-2: #ec4899;  /* Pink */
  --canvas-accent-3: #06b6d4;  /* Cyan */
  --canvas-accent-4: #f59e0b;  /* Amber */
  --canvas-text: #f1f5f9;
  --canvas-text-secondary: #94a3b8;
  --canvas-text-muted: #64748b;
  --canvas-border: rgba(124, 58, 237, 0.2);
  --canvas-glow: rgba(124, 58, 237, 0.15);
  --canvas-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  --canvas-font-mono: 'JetBrains Mono', 'SF Mono', monospace;
}

.canvas-guide {
  position: relative;
  min-height: 100vh;
  background: var(--canvas-bg);
  padding: calc(80px + var(--spacing-lg)) var(--spacing-md) var(--spacing-xl);
  font-family: var(--canvas-font);
  overflow: hidden;
}

/* Gradient mesh background */
.canvas-gradient-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 50% 30% at 40% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
  animation: gradient-shift 20s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Canvas window container */
.canvas-window {
  max-width: 900px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--canvas-bg-elevated) 0%, var(--canvas-bg) 100%);
  border: 1px solid var(--canvas-border);
  border-radius: var(--radius-lg);
  box-shadow:
    0 0 80px rgba(124, 58, 237, 0.1),
    0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

/* Gradient accent at top of window */
.canvas-window::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--canvas-accent-1), var(--canvas-accent-2), var(--canvas-accent-3));
  z-index: 10;
}

/* Header with gradient accent */
.canvas-header {
  position: relative;
  padding: var(--spacing-2xl) var(--spacing-xl);
  background: linear-gradient(180deg, var(--canvas-surface) 0%, var(--canvas-bg-elevated) 100%);
  border-bottom: 1px solid var(--canvas-border);
  overflow: hidden;
}


/* Floating badge */
.canvas-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2) 0%, rgba(236, 72, 153, 0.1) 100%);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 100px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--canvas-accent-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

.canvas-badge__icon {
  font-size: 1rem;
}

/* Main title */
.canvas-main-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-black);
  color: var(--canvas-text);
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--canvas-text) 0%, var(--canvas-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.canvas-description {
  font-size: var(--font-size-lg);
  color: var(--canvas-text-secondary);
  max-width: 600px;
  line-height: 1.6;
}

/* Meta info */
.canvas-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--canvas-border);
  font-size: var(--font-size-sm);
  color: var(--canvas-text-muted);
}

.canvas-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.canvas-meta-item::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--canvas-accent-1);
  border-radius: 50%;
}

.canvas-meta-item:first-child::before {
  display: none;
}

.canvas-meta-label {
  color: var(--canvas-text-secondary);
  font-weight: var(--font-weight-medium);
}

/* Content body */
.canvas-body {
  padding: var(--spacing-xl);
  position: relative;
}

/* Inline TOC */
.canvas-toc {
  background: linear-gradient(135deg, var(--canvas-surface) 0%, var(--canvas-bg-elevated) 100%);
  border: 1px solid var(--canvas-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.canvas-toc-header {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--canvas-accent-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: 8px;
}

.canvas-toc-header::before {
  content: '';
  width: 3px;
  height: 16px;
  background: linear-gradient(180deg, var(--canvas-accent-1), var(--canvas-accent-2));
  border-radius: 2px;
}

.canvas-toc-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--spacing-xs);
}

.canvas-toc-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: transparent;
  border-radius: var(--radius-sm);
  color: var(--canvas-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.canvas-toc-link:hover {
  background: rgba(124, 58, 237, 0.1);
  color: var(--canvas-text);
}

.canvas-toc-link--active {
  background: rgba(124, 58, 237, 0.15);
  color: var(--canvas-accent-1);
}

.canvas-toc-num {
  font-family: var(--canvas-font-mono);
  font-size: var(--font-size-xs);
  color: var(--canvas-text-muted);
  min-width: 24px;
}

/* Content prose */
.canvas-content {
  position: relative;
}

.canvas-prose {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--canvas-text-secondary);
}

.canvas-prose h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--canvas-text);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--canvas-border);
  position: relative;
}

.canvas-prose h2::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--canvas-accent-1), var(--canvas-accent-2));
}

.canvas-prose h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--canvas-text);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.canvas-prose h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--canvas-text);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.canvas-prose p {
  margin-bottom: var(--spacing-md);
}

.canvas-prose a {
  color: var(--canvas-accent-1);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.canvas-prose a:hover {
  border-bottom-color: var(--canvas-accent-1);
}

.canvas-prose strong {
  color: var(--canvas-text);
  font-weight: var(--font-weight-semibold);
}

.canvas-prose code {
  font-family: var(--canvas-font-mono);
  font-size: 0.9em;
  padding: 2px 8px;
  background: var(--canvas-surface);
  border: 1px solid var(--canvas-border);
  border-radius: 4px;
  color: var(--canvas-accent-3);
}

.canvas-prose pre {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-md);
  background: var(--canvas-surface);
  border: 1px solid var(--canvas-border);
  border-radius: var(--radius-sm);
  overflow-x: auto;
}

.canvas-prose pre code {
  padding: 0;
  background: none;
  border: none;
  color: var(--canvas-text);
}

.canvas-prose blockquote {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(90deg, rgba(124, 58, 237, 0.1) 0%, transparent 100%);
  border-left: 4px solid var(--canvas-accent-1);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--canvas-text);
}

.canvas-prose ul,
.canvas-prose ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

.canvas-prose li {
  margin-bottom: var(--spacing-xs);
}

.canvas-prose li::marker {
  color: var(--canvas-accent-1);
}

.canvas-prose table {
  width: 100%;
  margin: var(--spacing-lg) 0;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.canvas-prose th,
.canvas-prose td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--canvas-border);
}

.canvas-prose th {
  font-weight: var(--font-weight-semibold);
  color: var(--canvas-text);
  background: var(--canvas-surface);
}

.canvas-prose thead th {
  border-bottom: 2px solid var(--canvas-accent-1);
}

.canvas-prose tr:hover {
  background: rgba(124, 58, 237, 0.05);
}

/* Footer */
.canvas-footer {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-lg);
  background: var(--canvas-surface);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--canvas-text-muted);
}

.canvas-footer a {
  color: var(--canvas-accent-1);
  text-decoration: none;
}

.canvas-footer a:hover {
  text-decoration: underline;
}

/* Canvas Guide - Navigation Components */

/* Reading Progress Bar */
.canvas-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(0, 0, 0, 0.3);
  z-index: 1100;
}

.canvas-progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--canvas-accent-1), var(--canvas-accent-2), var(--canvas-accent-3));
  transition: width 100ms linear;
}

/* Sidebar TOC */
.canvas-sidebar {
  position: fixed;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  width: 220px;
  max-height: 70vh;
  background: var(--canvas-bg-elevated);
  border: 1px solid var(--canvas-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  overflow-y: auto;
}

.canvas-sidebar--visible {
  opacity: 1;
  visibility: visible;
}

.canvas-sidebar__header {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--canvas-accent-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--canvas-border);
}

.canvas-sidebar__link {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  color: var(--canvas-text-muted);
  text-decoration: none;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  line-height: 1.4;
}

.canvas-sidebar__link:hover {
  background: rgba(124, 58, 237, 0.1);
  color: var(--canvas-text);
}

.canvas-sidebar__link--active {
  background: rgba(124, 58, 237, 0.15);
  color: var(--canvas-accent-1);
}

.canvas-sidebar__num {
  font-family: var(--canvas-font-mono);
  color: var(--canvas-text-muted);
  min-width: 20px;
}

.canvas-sidebar__title {
  flex: 1;
}

.canvas-sidebar__footer {
  font-size: var(--font-size-xs);
  color: var(--canvas-text-muted);
  padding-top: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  border-top: 1px solid var(--canvas-border);
  text-align: center;
}

.canvas-sidebar__key {
  display: inline-block;
  padding: 2px 6px;
  background: var(--canvas-surface);
  border: 1px solid var(--canvas-border);
  border-radius: 4px;
  font-family: var(--canvas-font-mono);
  font-size: 10px;
}

/* Mobile TOC toggle */
.canvas-toc-toggle {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  display: none;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--canvas-accent-1), var(--canvas-accent-2));
  color: white;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  z-index: 200;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

/* Mobile drawer */
.canvas-drawer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
}

.canvas-drawer--open {
  display: block;
}

.canvas-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.canvas-drawer__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 70vh;
  background: var(--canvas-bg-elevated);
  border-top: 1px solid var(--canvas-border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--spacing-md);
  overflow-y: auto;
  animation: slide-up 0.3s ease;
}

@keyframes slide-up {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.canvas-drawer__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--canvas-border);
  font-weight: var(--font-weight-semibold);
  color: var(--canvas-text);
}

.canvas-drawer__close {
  background: none;
  border: none;
  color: var(--canvas-text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 4px 8px;
}

.canvas-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Back to top button */
.canvas-back-top {
  position: fixed;
  bottom: calc(var(--spacing-lg) + 60px);
  right: var(--spacing-lg);
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--canvas-surface);
  border: 1px solid var(--canvas-border);
  border-radius: 50%;
  color: var(--canvas-text-muted);
  cursor: pointer;
  z-index: 150;
  transition: all var(--transition-fast);
}

.canvas-back-top:hover {
  background: rgba(124, 58, 237, 0.2);
  color: var(--canvas-accent-1);
  border-color: var(--canvas-accent-1);
}

.canvas-back-top:not([hidden]) {
  display: flex;
}

.canvas-back-top__arrow {
  font-size: 18px;
}

/* Section navigation */
.canvas-section-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--canvas-border);
}

.canvas-section-nav__btn {
  flex: 1;
  max-width: 280px;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: transparent;
  border: 1px solid var(--canvas-border);
  border-radius: var(--radius-sm);
  color: var(--canvas-text-secondary);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.canvas-section-nav__btn:hover:not(:disabled) {
  background: rgba(124, 58, 237, 0.1);
  border-color: var(--canvas-accent-1);
  color: var(--canvas-text);
}

.canvas-section-nav__btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.canvas-section-nav__btn--prev {
  justify-content: flex-start;
}

.canvas-section-nav__btn--next {
  justify-content: flex-end;
  margin-left: auto;
}

.canvas-section-nav__arrow {
  font-size: 18px;
  color: var(--canvas-accent-1);
}

.canvas-section-nav__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.canvas-section-nav__label {
  font-size: var(--font-size-xs);
  color: var(--canvas-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.canvas-section-nav__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* Responsive adjustments */
@media (max-width: 1200px) {
  .canvas-sidebar {
    display: none;
  }
}

@media (max-width: 768px) {
  .canvas-guide {
    padding: calc(70px + var(--spacing-md)) var(--spacing-sm) var(--spacing-lg);
  }

  .canvas-header {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .canvas-main-title {
    font-size: var(--font-size-3xl);
  }

  .canvas-body {
    padding: var(--spacing-md);
  }

  .canvas-toc-list {
    grid-template-columns: 1fr;
  }

  .canvas-toc-toggle {
    display: flex;
  }

  .canvas-back-top {
    bottom: calc(var(--spacing-lg) + 70px);
  }

  .canvas-section-nav {
    flex-direction: column;
  }

  .canvas-section-nav__btn {
    max-width: none;
  }

  .canvas-prose table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* ========================================
   Prose (Markdown Content)
   ======================================== */

.prose {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.prose h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.01em;
}

.prose h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.prose h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.prose p {
  margin-bottom: var(--spacing-md);
}

.prose a {
  color: var(--color-text-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-text-tertiary);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-fast);
}

.prose a:hover {
  text-decoration-color: var(--color-text-primary);
}

.prose ul,
.prose ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.prose li {
  margin-bottom: var(--spacing-xs);
}

.prose li::marker {
  color: var(--color-text-tertiary);
}

.prose blockquote {
  border-left: 3px solid var(--color-border);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  color: var(--color-text-tertiary);
  font-style: italic;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--spacing-2xl) 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
  font-size: var(--font-size-sm);
}

.prose th,
.prose td {
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-subtle);
}

.prose th {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  background: var(--color-bg-surface);
}

.prose code {
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.9em;
  background: var(--color-bg-surface);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-text-primary);
}

.prose pre {
  background: #1a1b26;
  border-radius: 12px;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid rgba(255,255,255,0.06);
}

.prose pre code {
  background: none;
  padding: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #a9b1d6;
}

/* Code highlighting - Tokyo Night theme */
.prose .highlight {
  background: #1a1b26;
  border-radius: 12px;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid rgba(255,255,255,0.06);
}

.prose .highlight pre {
  background: none;
  padding: 0;
  margin: 0;
  border: none;
  border-radius: 0;
  color: #a9b1d6;
  line-height: 1.7;
}

/* Pygments syntax classes - Tokyo Night theme */
.prose .highlight .hll { background-color: #2a2b3d; }
.prose .highlight .c,
.prose .highlight .c1,
.prose .highlight .cm,
.prose .highlight .cs { color: #565f89; font-style: italic; } /* Comments */
.prose .highlight .k,
.prose .highlight .kc,
.prose .highlight .kd,
.prose .highlight .kn,
.prose .highlight .kp,
.prose .highlight .kr,
.prose .highlight .kt { color: #bb9af7; } /* Keywords */
.prose .highlight .s,
.prose .highlight .s1,
.prose .highlight .s2,
.prose .highlight .sb,
.prose .highlight .sc,
.prose .highlight .sd,
.prose .highlight .se,
.prose .highlight .sh,
.prose .highlight .si,
.prose .highlight .sx,
.prose .highlight .sr,
.prose .highlight .ss { color: #9ece6a; } /* Strings */
.prose .highlight .m,
.prose .highlight .mb,
.prose .highlight .mf,
.prose .highlight .mh,
.prose .highlight .mi,
.prose .highlight .mo,
.prose .highlight .il { color: #ff9e64; } /* Numbers */
.prose .highlight .n { color: #c0caf5; } /* Names */
.prose .highlight .na { color: #73daca; } /* Name.Attribute */
.prose .highlight .nb { color: #7dcfff; } /* Name.Builtin */
.prose .highlight .nc { color: #7dcfff; } /* Name.Class */
.prose .highlight .nd { color: #bb9af7; } /* Name.Decorator */
.prose .highlight .nf,
.prose .highlight .fm { color: #7aa2f7; } /* Name.Function */
.prose .highlight .ni { color: #c0caf5; } /* Name.Entity */
.prose .highlight .nn { color: #7dcfff; } /* Name.Namespace */
.prose .highlight .nt { color: #f7768e; } /* Name.Tag (HTML) */
.prose .highlight .nv,
.prose .highlight .vc,
.prose .highlight .vg,
.prose .highlight .vi { color: #c0caf5; } /* Name.Variable */
.prose .highlight .o,
.prose .highlight .ow { color: #89ddff; } /* Operators */
.prose .highlight .p { color: #a9b1d6; } /* Punctuation */
.prose .highlight .err { color: #f7768e; } /* Error */
.prose .highlight .gd { color: #f7768e; } /* Diff deleted */
.prose .highlight .gi { color: #9ece6a; } /* Diff inserted */

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
}

.prose strong {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .blog {
    padding: calc(70px + var(--spacing-lg)) 0 var(--spacing-lg);
  }

  .blog__title {
    font-size: var(--font-size-3xl);
  }

  .blog__item-title {
    font-size: var(--font-size-lg);
  }

  .blog-post {
    padding: calc(70px + var(--spacing-lg)) 0 var(--spacing-lg);
  }

  .blog-post__title {
    font-size: var(--font-size-2xl);
  }

  .guide {
    padding: calc(70px + var(--spacing-lg)) 0 var(--spacing-lg);
  }

  .guide__title {
    font-size: var(--font-size-2xl);
  }

  .prose h2 {
    font-size: var(--font-size-xl);
  }

  .prose h3 {
    font-size: var(--font-size-lg);
  }

  .prose pre {
    border-radius: 0;
    margin-left: calc(-1 * var(--gutter));
    margin-right: calc(-1 * var(--gutter));
    padding: var(--spacing-md) var(--gutter);
  }

  .prose pre code {
    font-size: 0.8rem;  /* Slightly smaller on mobile */
  }

  .prose .highlight {
    border-radius: 0;
    margin-left: calc(-1 * var(--gutter));
    margin-right: calc(-1 * var(--gutter));
    padding: var(--spacing-md) var(--gutter);
  }

  /* Ensure images don't clip - full bleed option */
  .prose img {
    max-width: calc(100% + var(--gutter) * 2);
    margin-left: calc(-1 * var(--gutter));
    margin-right: calc(-1 * var(--gutter));
    border-radius: 0;
  }
}

/* ========================================
   Playground - Interactive Experiments
   ======================================== */

.playground {
  padding: var(--spacing-3xl) 0;
}

.playground__header {
  margin-bottom: var(--spacing-xl);
}

.playground__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  margin-bottom: var(--spacing-md);
  transition: color var(--transition-fast);
}

.playground__back:hover {
  color: var(--color-text-primary);
}

.playground__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.playground__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 65ch;
}

.playground__footer {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .playground {
    padding: var(--spacing-2xl) 0;
  }
}

/* ========================================
   Guides Section (Home Page)
   Grid layout with terminal + creative cards
   ======================================== */

.guides-section {
  padding: var(--spacing-3xl) 0;
}

.guides-section__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xl);
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.guides-stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

/* Base Guide Card */
.guide-card {
  --term-bg: #0a0a0a;
  --term-bg-elevated: #111111;
  --term-phosphor: #ff9500;
  --term-green: #33ff66;
  --term-cyan: #00e5ff;
  --term-red: #ff5555;
  --term-text: #e0e0e0;
  --term-text-dim: #888888;
  --term-border: rgba(255, 149, 0, 0.3);

  display: flex;
  flex-direction: column;
  background: var(--term-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--term-border);
  text-decoration: none;
  transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.guide-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 149, 0, 0.5);
  box-shadow: 0 8px 40px rgba(255, 149, 0, 0.12);
}

/* Terminal variant (Claude Code) */
.guide-card--terminal .guide-card__visual {
  background: var(--term-bg-elevated);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--term-border);
  min-height: 140px;
}

.guide-card__terminal-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--spacing-sm);
}

.guide-card__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.guide-card__dot--red { background: var(--term-red); }
.guide-card__dot--yellow { background: var(--term-phosphor); }
.guide-card__dot--green { background: var(--term-green); }
.guide-card__dot--gray { background: #555; }

.guide-card__terminal-title {
  font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;
  font-size: 11px;
  color: var(--term-text-dim);
  margin-left: var(--spacing-xs);
}

/* Art container - ASCII left, robot right */
.guide-card__art {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.guide-card__art-left {
  flex: 1;
}

.guide-card__art-right {
  flex-shrink: 0;
  margin-left: var(--spacing-md);
}

/* Claude character and ASCII art - match terminal guide styling */
.guide-card__character {
  font-family: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Monaco, Consolas, 'Courier New', monospace;
  font-size: 1.25rem;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--term-phosphor);
  text-shadow: 0 0 20px var(--term-phosphor-glow);
  margin: 0;
  padding: 0;
  white-space: pre;
  flex-shrink: 0;
}

.guide-card__ascii {
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
}

.guide-card__ascii code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 9px;
  line-height: 1.15;
  letter-spacing: 0;
  word-spacing: 0;
  font-variant-ligatures: none;
  font-feature-settings: normal;
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: unset;
  color: var(--term-phosphor);
  text-shadow: 0 0 10px rgba(255, 149, 0, 0.3);
  display: block;
  white-space: pre;
}

/* Creative variant (Midjourney) */
.guide-card--creative {
  --creative-purple: #a855f7;
  --creative-pink: #ec4899;
  --creative-blue: #3b82f6;
  border-color: rgba(168, 85, 247, 0.3);
}

.guide-card--creative:hover {
  border-color: rgba(168, 85, 247, 0.5);
  box-shadow: 0 8px 40px rgba(168, 85, 247, 0.15);
}

.guide-card__dot--purple { background: #a855f7; }
.guide-card__dot--pink { background: #ec4899; }
.guide-card__dot--blue { background: #3b82f6; }

.guide-card--creative .guide-card__visual {
  background: var(--term-bg-elevated);
  padding: var(--spacing-md);
  border-bottom: 1px solid rgba(168, 85, 247, 0.3);
  min-height: 140px;
}

.guide-card--creative .guide-card__terminal-title {
  color: rgba(168, 85, 247, 0.6);
}

.guide-card__ascii--creative code {
  color: var(--creative-purple);
  text-shadow: 0 0 10px rgba(168, 85, 247, 0.4);
}

.guide-card--creative .guide-card__title {
  color: var(--creative-purple);
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

.guide-card--creative .guide-card__link {
  color: var(--creative-pink);
}

.guide-card--creative:hover .guide-card__link {
  color: var(--creative-purple);
  text-shadow: 0 0 10px rgba(168, 85, 247, 0.4);
}

/* Minimal variant (Design) */
.guide-card--minimal {
  --minimal-text: #e5e5e5;
  --minimal-muted: #666;
  --minimal-border: #333;
  border-color: var(--minimal-border);
}

.guide-card--minimal:hover {
  border-color: #555;
  box-shadow: 0 8px 40px rgba(255, 255, 255, 0.05);
}

.guide-card--minimal .guide-card__visual {
  background: var(--term-bg-elevated);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--minimal-border);
  min-height: 140px;
}

.guide-card--minimal .guide-card__terminal-title {
  color: var(--minimal-muted);
}

.guide-card__ascii--minimal code {
  color: var(--minimal-text);
  text-shadow: none;
}

.guide-card--minimal .guide-card__title {
  color: var(--minimal-text);
  text-shadow: none;
}

.guide-card--minimal .guide-card__description {
  color: var(--minimal-muted);
}

.guide-card--minimal .guide-card__link {
  color: var(--minimal-muted);
}

.guide-card--minimal:hover .guide-card__link {
  color: var(--minimal-text);
  text-shadow: none;
}

/* Card content */
.guide-card__content {
  padding: var(--spacing-lg);
  background: var(--term-bg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.guide-card__title {
  font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--term-phosphor);
  margin-bottom: var(--spacing-xs);
  text-shadow: 0 0 20px rgba(255, 149, 0, 0.3);
}

.guide-card__description {
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--term-text-dim);
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.guide-card__link {
  font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--term-cyan);
  transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

.guide-card:hover .guide-card__link {
  color: var(--term-phosphor);
  text-shadow: 0 0 10px rgba(255, 149, 0, 0.4);
}

/* Guides page (standalone) */
.guides-page {
  padding: var(--spacing-3xl) 0;
}

.guides-page__header {
  margin-bottom: var(--spacing-2xl);
}

.guides-page__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.guides-page__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
}

/* Mobile adjustments for Guides */
@media (max-width: 768px) {
  .guides-page {
    padding: var(--spacing-2xl) 0;
  }

  .guides-page__title {
    font-size: var(--font-size-2xl);
  }

  .guides-page__subtitle {
    font-size: var(--font-size-base);
  }

  .guides-section {
    padding: var(--spacing-xl) 0;
  }

  .guides-section__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
  }

  .guides-grid,
  .guides-stack {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .guide-card {
    border-radius: var(--radius-md);
  }

  .guide-card--terminal .guide-card__visual {
    min-height: 80px;
    padding: var(--spacing-sm);
  }

  .guide-card__art-right {
    margin-left: var(--spacing-xs);
  }

  .guide-card__ascii code {
    font-size: 5px;
  }

  .guide-card__character {
    font-size: 0.7rem;
  }

  .guide-card__terminal-title {
    display: none;
  }

  .guide-card--creative .guide-card__visual {
    min-height: 80px;
  }

  .guide-card__content {
    padding: var(--spacing-md);
  }

  .guide-card__title {
    font-size: var(--font-size-base);
  }

  .guide-card__description {
    font-size: var(--font-size-xs);
  }
}

/* ========================================
   Ultrathink Rainbow Shimmer
   ======================================== */

.ultrathink {
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  display: inline;
  background: linear-gradient(
    90deg,
    /* Rainbow sequence */
    #f87171, #fb923c, #facc15, #4ade80, #22d3d3,
    #60a5fa, #a78bfa, #f472b6, #f87171, #fb923c,
    /* Shimmer */
    #fff,
    /* Repeat rainbow for seamless loop */
    #f87171, #fb923c, #facc15, #4ade80, #22d3d3,
    #60a5fa, #a78bfa, #f472b6, #f87171, #fb923c
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: ultrathink-shimmer 4s linear infinite;
}

@keyframes ultrathink-shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: -100% 50%; }
}

/* ========================================
   Utilities
   ======================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip to content - visible on focus */
.sr-only:focus {
  position: fixed;
  top: var(--spacing-md);
  left: var(--spacing-md);
  width: auto;
  height: auto;
  padding: var(--spacing-sm) var(--spacing-lg);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--color-text-primary);
  color: var(--color-bg-dark);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  z-index: 1000;
}

/* ========================================
   Reduced Motion Support
   WCAG 2.3.3 - Animation from Interactions
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}