@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Syncopate:wght@400;700&display=swap");

:root {
  /* Deep space palette */
  --bg: #02040a;
  --bg-elevated: #0a0f1a;
  --bg-strong: #111827;
  
  /* Glassmorphism surfaces */
  --surface: rgba(17, 24, 39, 0.6);
  --surface-strong: rgba(17, 24, 39, 0.85);
  --surface-glass: rgba(255, 255, 255, 0.03);
  
  /* Neon accents */
  --border: rgba(56, 189, 248, 0.15);
  --border-glow: rgba(56, 189, 248, 0.4);
  --border-neon: rgba(139, 92, 246, 0.3);
  
  /* Typography */
  --ink: #f0f9ff;
  --ink-soft: #94a3b8;
  --ink-muted: #64748b;
  
  /* Neon accent colors */
  --accent-cyan: #22d3ee;
  --accent-cyan-glow: rgba(34, 211, 238, 0.5);
  --accent-violet: #a78bfa;
  --accent-violet-glow: rgba(167, 139, 250, 0.5);
  --accent-emerald: #34d399;
  --accent-rose: #fb7185;
  
  /* Gradients */
  --gradient-hero: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(56, 189, 248, 0.15), transparent),
                    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(139, 92, 246, 0.1), transparent),
                    radial-gradient(ellipse 50% 30% at 20% 80%, rgba(34, 211, 238, 0.08), transparent);
  
  --gradient-surface: linear-gradient(135deg, rgba(56, 189, 248, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  
  /* Effects */
  --shadow-soft: 0 4px 30px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(56, 189, 248, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  
  /* Radius */
  --radius-xl: 24px;
  --radius-l: 16px;
  --radius-m: 12px;
  --radius-s: 8px;
  
  /* Layout */
  --shell: min(1280px, calc(100vw - 3rem));
  --section-gap: 4rem;
  --content-gap: 2rem;
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  min-height: 100%;
}

body {
  color: var(--ink);
  background: var(--bg);
  font-family: "Space Grotesk", system-ui, sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Animated background layer */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: 
    var(--gradient-hero),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: -1;
}

/* Grid overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
  background-size: 100px 100px;
  pointer-events: none;
  z-index: -1;
}

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

/* Skip link */
.skip {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip:focus {
  left: 1.5rem;
  top: 1.5rem;
  z-index: 200;
  background: var(--surface-strong);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-s);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-glow);
  font-weight: 500;
}

/* Shell container */
.shell {
  width: var(--shell);
  margin-inline: auto;
}

/* Header/Navigation */
.top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(2, 4, 10, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
}

.top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
}

.logo-mark {
  width: 100px;
  height: 28px;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-s);
  transition: all 0.3s ease;
}

.nav-link::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
  border-radius: var(--radius-s);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--ink);
  transform: translateY(-1px);
}

.nav-link:hover::before,
.nav-link:focus-visible::before {
  opacity: 0.1;
}

.nav-link.is-active {
  color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.2);
}

/* Language switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  background: var(--surface);
}

.lang-switcher select {
  background: transparent;
  border: none;
  color: var(--ink);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  background: var(--surface);
  color: var(--ink);
  padding: 0.5rem 1rem;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

/* Main content */
.page-main {
  padding: calc(72px + var(--section-gap)) 0 var(--section-gap);
}

/* Hero Section */
.hero {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: var(--section-gap) 0;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--content-gap);
  align-items: center;
}

.hero__copy {
  padding: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.hero__stats {
  display: grid;
  gap: 1rem;
}

/* Typography */
.kicker,
.section-kicker {
  font-family: "Syncopate", sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.kicker::before {
  content: "//";
  color: var(--accent-violet);
}

.hero__title,
.section-title {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: linear-gradient(135deg, var(--ink) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--ink);
}

.hero__subtitle,
.section-intro {
  margin-top: 1.25rem;
  color: var(--ink-soft);
  font-size: 1.125rem;
  max-width: 60ch;
  line-height: 1.7;
}

/* Action buttons */
.action-row {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  cursor: pointer;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-violet) 100%);
  color: var(--bg);
  border: none;
}

.btn.primary:hover {
  box-shadow: 0 0 30px var(--accent-cyan-glow);
}

.btn.ghost {
  border-color: var(--border);
  color: var(--ink);
  background: var(--surface-glass);
}

.btn.ghost:hover {
  border-color: var(--border-glow);
  background: rgba(56, 189, 248, 0.1);
}

.btn.small {
  font-size: 0.75rem;
  padding: 0.5rem 1rem;
}

/* Chips and tags */
.chip-row,
.tag-row,
.source-badges {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.chip,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.08);
  padding: 0.375rem 0.875rem;
  transition: all 0.3s ease;
}

.chip:hover,
.tag:hover {
  border-color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.15);
  transform: translateY(-1px);
}

/* Stats */
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 1.25rem;
  transition: all 0.3s ease;
}

.stat:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.stat__label {
  font-family: "Syncopate", sans-serif;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.stat__value {
  margin-top: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
}

/* Section blocks */
.section-block {
  margin-top: var(--section-gap);
  position: relative;
}

.section-grid-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.6;
  z-index: 1;
}

.section-block > .shell {
  position: relative;
  z-index: 2;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 3.5rem);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
}

.section-block.is-fullscreen {
  min-height: min(90vh, 1000px);
  display: flex;
  align-items: center;
}

.section-block.is-fullscreen > .shell {
  min-height: auto;
}

/* Section header */
.section-header {
  margin-bottom: 2.5rem;
}

.section-header .section-intro {
  max-width: 70ch;
}

/* Card grid */
.card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 1.75rem;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.card:hover::before {
  opacity: 1;
}

.card__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.card__summary {
  color: var(--ink-soft);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.card__meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.card__meta-chip {
  font-family: "Syncopate", sans-serif;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  background: rgba(34, 211, 238, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(34, 211, 238, 0.2);
}

.card__meta-chip[data-type="status"] {
  background: rgba(52, 211, 153, 0.1);
  color: var(--accent-emerald);
  border-color: rgba(52, 211, 153, 0.2);
}

.card__meta-chip[data-type="phase"] {
  background: rgba(167, 139, 250, 0.1);
  color: var(--accent-violet);
  border-color: rgba(167, 139, 250, 0.2);
}

.card__stack {
  margin-top: 1rem;
}

.card__details {
  color: var(--ink-soft);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-top: 1rem;
}

/* Read more panels */
.read-more {
  margin-top: 1.25rem;
}

.read-more__content {
  margin-top: 0.75rem;
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s ease;
}

.read-more__content > * {
  overflow: hidden;
}

.read-more.is-open .read-more__content {
  grid-template-rows: 1fr;
}

/* Step lists */
.step-list {
  display: grid;
  gap: 1.25rem;
}

.step {
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  padding-left: 3rem;
}

.step::before {
  content: attr(data-step);
  position: absolute;
  left: 1rem;
  top: 1.5rem;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
  border-radius: 50%;
  font-family: "Syncopate", sans-serif;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--bg);
}

.step:hover {
  border-color: var(--border-glow);
  transform: translateX(8px);
}

.step__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.step__body {
  color: var(--ink-soft);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Accordions */
.accordion {
  display: grid;
  gap: 0.75rem;
}

.accordion__item {
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: all 0.3s ease;
}

.accordion__item:hover {
  border-color: var(--border-glow);
}

.accordion__item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  padding: 1.25rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.accordion__item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--accent-cyan);
  transition: transform 0.3s ease;
}

.accordion__item[open] summary::after {
  transform: rotate(45deg);
}

.accordion__item[open] summary {
  background: rgba(34, 211, 238, 0.05);
}

.accordion__body {
  padding: 0 1.25rem 1.25rem;
  color: var(--ink-soft);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Post lists */
.post-list,
.source-list {
  display: grid;
  gap: 1rem;
}

.post,
.source-card {
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 1.25rem;
  transition: all 0.3s ease;
}

.post:hover,
.source-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.post__title,
.source-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.375rem;
}

.post__meta,
.source-card__meta {
  font-size: 0.8125rem;
  color: var(--ink-muted);
}

.source-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.75rem;
  color: var(--accent-cyan);
  font-size: 0.8125rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.source-card__link:hover {
  color: var(--accent-violet);
  gap: 0.5rem;
}

/* Source references */
.source-ref {
  font-family: "Syncopate", sans-serif;
  font-size: 0.625rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.125rem 0.5rem;
  background: rgba(56, 189, 248, 0.08);
  color: var(--accent-cyan);
  transition: all 0.3s ease;
}

.source-ref:hover {
  border-color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.15);
}

/* CTA box */
.cta-box {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1) 0%, rgba(167, 139, 250, 0.1) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.cta-box .section-title {
  margin-bottom: 0.75rem;
}

.cta-box .section-intro {
  margin: 0 auto 1.5rem;
}

/* Footer */
.site-footer {
  margin-top: var(--section-gap);
  border-top: 1px solid var(--border);
  padding: 2rem 0 3rem;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--ink-muted);
  font-size: 0.875rem;
}

.site-footer__note {
  font-style: italic;
}

.site-footer__top {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-cyan);
  font-weight: 500;
  transition: all 0.3s ease;
}

.site-footer__top:hover {
  color: var(--accent-violet);
  gap: 0.75rem;
}

/* Editor panel */
.editor-panel {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 100;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
  min-width: 200px;
  backdrop-filter: blur(20px);
}

.editor-panel input[type="file"] {
  display: none;
}

.editor-hint {
  margin: 0;
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.editor-hint.muted {
  color: var(--ink-muted);
  opacity: 0.7;
}

.is-editable {
  outline: 1px dashed var(--accent-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-s);
  background: rgba(34, 211, 238, 0.05);
}

/* Toast notifications */
#toast {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  z-index: 120;
  border-radius: var(--radius-m);
  border: 1px solid var(--border);
  background: var(--surface-strong);
  box-shadow: var(--shadow-glow);
  padding: 0.875rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  backdrop-filter: blur(20px);
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Story section styling */
.story-content {
  display: grid;
  gap: 1.5rem;
}

.story-paragraphs {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.story-paragraph {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.7;
  padding-left: 1.5rem;
  border-left: 2px solid var(--border);
  transition: all 0.3s ease;
}

.story-paragraph:hover {
  border-left-color: var(--accent-cyan);
  padding-left: 1.75rem;
}

/* Glow effects */
.glow-cyan {
  box-shadow: 0 0 20px var(--accent-cyan-glow);
}

.glow-violet {
  box-shadow: 0 0 20px var(--accent-violet-glow);
}

/* Data visualization elements */
.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.data-item {
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 1.25rem;
  text-align: center;
  transition: all 0.3s ease;
}

.data-item:hover {
  border-color: var(--accent-cyan);
  transform: scale(1.02);
}

.data-value {
  font-family: "Syncopate", sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  display: block;
}

.data-label {
  font-size: 0.75rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
}

/* Feature highlights */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  transition: all 0.3s ease;
}

.feature-item:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(167, 139, 250, 0.2));
  border-radius: var(--radius-m);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.feature-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.375rem;
}

.feature-content p {
  font-size: 0.875rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* Responsive design */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .card-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --section-gap: 2.5rem;
    --content-gap: 1.5rem;
  }
  
  .nav-toggle {
    display: inline-flex;
  }
  
  .top .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface-strong);
    border-top: 1px solid var(--border);
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .top.is-open .nav {
    display: flex;
  }
  
  .nav-link {
    width: 100%;
    text-align: center;
  }
  
  .hero {
    min-height: auto;
    padding: 2rem 0;
  }
  
  .hero__copy {
    padding: 1.5rem;
  }
  
  .hero__stats {
    grid-template-columns: 1fr;
  }
  
  .section-block.is-fullscreen {
    min-height: auto;
  }
  
  .section-block > .shell {
    padding: 1.5rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .card {
    padding: 1.25rem;
  }
  
  .step {
    padding-left: 2.5rem;
  }
  
  .step::before {
    left: 0.75rem;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .site-footer__inner {
    flex-direction: column;
    text-align: center;
  }
  
  .editor-panel {
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .action-row .btn {
    width: 100%;
  }
  
  .chip-row,
  .tag-row {
    justify-content: center;
  }
}

/* ─── Orbital canvas ───────────────────────────────────────── */
.orbital-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

/* ─── Glassmorphic dimensional card enhancement ────────────── */
.card {
  background: linear-gradient(
    135deg,
    rgba(17, 24, 39, 0.7) 0%,
    rgba(17, 24, 39, 0.45) 100%
  );
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid rgba(56, 189, 248, 0.12);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(0, 0, 0, 0.3);
  transform-style: preserve-3d;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    rgba(34, 211, 238, 0.04) 0%,
    transparent 40%,
    rgba(167, 139, 250, 0.04) 100%
  );
  pointer-events: none;
}

.card:hover {
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.15),
    0 16px 48px rgba(0, 0, 0, 0.5),
    0 0 60px rgba(34, 211, 238, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: translateY(-6px) perspective(800px) rotateX(1deg);
}

/* Glyph accent in top-right corner of each card */
.card::before {
  content: attr(data-glyph, "⊕");
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1rem;
  color: rgba(34, 211, 238, 0.18);
  font-family: "Space Grotesk", monospace;
  pointer-events: none;
  transition: color 0.4s ease, transform 0.4s ease;
}

.card:hover::before {
  color: rgba(34, 211, 238, 0.5);
  transform: rotate(30deg) scale(1.3);
}

/* ─── Card title glyph gradient ────────────────────────────── */
.card__title {
  background: linear-gradient(135deg, var(--ink) 60%, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Dimensional stat panels ──────────────────────────────── */
.stat {
  background: linear-gradient(
    135deg,
    rgba(17, 24, 39, 0.75) 0%,
    rgba(17, 24, 39, 0.5) 100%
  );
  backdrop-filter: blur(20px);
  border: 1px solid rgba(56, 189, 248, 0.12);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  position: relative;
  overflow: hidden;
}

.stat::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    from 0deg,
    transparent 0%,
    rgba(34, 211, 238, 0.03) 25%,
    transparent 50%
  );
  animation: statSpin 8s linear infinite;
  pointer-events: none;
}

@keyframes statSpin {
  to { transform: rotate(360deg); }
}

.stat:hover {
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow:
    0 0 30px rgba(34, 211, 238, 0.1),
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
}

/* ─── Hero copy glassmorphic enhancement ───────────────────── */
.hero__copy {
  background: linear-gradient(
    135deg,
    rgba(17, 24, 39, 0.75) 0%,
    rgba(17, 24, 39, 0.55) 100%
  );
  backdrop-filter: blur(32px) saturate(180%);
  -webkit-backdrop-filter: blur(32px) saturate(180%);
  border: 1px solid rgba(56, 189, 248, 0.15);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 0 80px rgba(34, 211, 238, 0.02);
}

/* ─── Section shell glassmorphic ───────────────────────────── */
.section-block > .shell {
  background: linear-gradient(
    135deg,
    rgba(17, 24, 39, 0.7) 0%,
    rgba(17, 24, 39, 0.5) 100%
  );
  backdrop-filter: blur(24px);
  border: 1px solid rgba(56, 189, 248, 0.1);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ─── Story paragraph enhanced ─────────────────────────────── */
.story-paragraph {
  background: rgba(56, 189, 248, 0.02);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  padding: 0.875rem 1.25rem 0.875rem 1.5rem;
}

.story-paragraph:hover {
  background: rgba(34, 211, 238, 0.05);
}

/* ─── Kicker line — glyph pulse ────────────────────────────── */
.kicker::after {
  content: "◈";
  margin-left: 0.5rem;
  font-size: 0.65em;
  color: rgba(167, 139, 250, 0.5);
  animation: glyphBlink 3s ease-in-out infinite;
}

@keyframes glyphBlink {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.4); }
}

/* ─── Scroll overlay canvas ─────────────────────────────────── */
#scroll-overlay-canvas {
  mix-blend-mode: screen;
}

/* ─── Accordion dimensional ─────────────────────────────────── */
.accordion__item {
  background: linear-gradient(
    135deg,
    rgba(17, 24, 39, 0.65) 0%,
    rgba(17, 24, 39, 0.45) 100%
  );
  backdrop-filter: blur(16px);
  border: 1px solid rgba(56, 189, 248, 0.1);
}

.accordion__item[open] {
  border-color: rgba(34, 211, 238, 0.2);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.06);
}

/* ─── Step item dimensional ─────────────────────────────────── */
.step {
  background: linear-gradient(
    90deg,
    rgba(34, 211, 238, 0.03) 0%,
    rgba(17, 24, 39, 0.5) 100%
  );
  backdrop-filter: blur(12px);
  border: 1px solid rgba(56, 189, 248, 0.1);
}

.step:hover {
  background: linear-gradient(
    90deg,
    rgba(34, 211, 238, 0.07) 0%,
    rgba(17, 24, 39, 0.6) 100%
  );
  border-color: rgba(34, 211, 238, 0.25);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.06);
}

/* ─── CTA box dimensional ───────────────────────────────────── */
.cta-box {
  background: linear-gradient(
    135deg,
    rgba(34, 211, 238, 0.07) 0%,
    rgba(17, 24, 39, 0.6) 50%,
    rgba(167, 139, 250, 0.07) 100%
  );
  backdrop-filter: blur(24px);
  border: 1px solid rgba(56, 189, 248, 0.15);
  box-shadow:
    0 0 60px rgba(34, 211, 238, 0.05),
    0 16px 48px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 80% 60% at 50% -10%,
    rgba(34, 211, 238, 0.08),
    transparent
  );
  pointer-events: none;
}

/* ─── Neon glow on section headings ────────────────────────── */
.section-title {
  text-shadow: 0 0 40px rgba(34, 211, 238, 0.08);
}

/* ─── Source card dimensional ───────────────────────────────── */
.source-card {
  background: linear-gradient(
    135deg,
    rgba(17, 24, 39, 0.65),
    rgba(17, 24, 39, 0.4)
  );
  backdrop-filter: blur(16px);
}

.source-card:hover {
  border-color: rgba(34, 211, 238, 0.25);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.07);
}