/* CARE Landing — AIRI aesthetic + EVOC mascot */

:root {
  --font-sans: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px rgba(46, 191, 174, 0.25);
  --nav-h: 72px;
  --max-w: 1180px;
  --transition: 0.25s ease;
}

/* Aqua Bloom (default) */
:root,
:root[data-theme="aqua"] {
  --bg: #f0faf8;
  --bg-alt: #e4f5f1;
  --surface: #ffffff;
  --surface-2: #f7fffd;
  --text: #13242e;
  --text-muted: #4a6570;
  --accent: #2ebfae;
  --accent-2: #1a9a8c;
  --accent-glow: rgba(46, 191, 174, 0.35);
  --crystal: #7ef0dd;
  --cream: #f4e6c8;
  --border: rgba(19, 36, 46, 0.1);
  --hero-grad: radial-gradient(ellipse 80% 60% at 70% 20%, rgba(46, 191, 174, 0.18), transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(244, 230, 200, 0.5), transparent 50%),
    linear-gradient(180deg, #f0faf8 0%, #e8f6f3 100%);
  --nav-bg: rgba(240, 250, 248, 0.85);
  --terminal-bg: #13242e;
  --terminal-text: #e6f7f4;
  --card-hover: rgba(46, 191, 174, 0.08);
}

/* Deep Crystal */
:root[data-theme="crystal"] {
  --bg: #0f1115;
  --bg-alt: #181c22;
  --surface: #1f242c;
  --surface-2: #252b35;
  --text: #e6e6e6;
  --text-muted: #a0a8b4;
  --accent: #33d9b2;
  --accent-2: #2ebfae;
  --accent-glow: rgba(51, 217, 178, 0.4);
  --crystal: #7ef0dd;
  --cream: #c8e8e0;
  --border: rgba(126, 240, 221, 0.12);
  --hero-grad: radial-gradient(ellipse 70% 50% at 75% 15%, rgba(51, 217, 178, 0.15), transparent 55%),
    radial-gradient(ellipse 40% 35% at 15% 75%, rgba(46, 191, 174, 0.08), transparent 50%),
    linear-gradient(180deg, #0f1115 0%, #13242e 100%);
  --nav-bg: rgba(15, 17, 21, 0.9);
  --terminal-bg: #0a0d10;
  --terminal-text: #c8f5ec;
  --card-hover: rgba(51, 217, 178, 0.1);
}

/* Warm Sand */
:root[data-theme="warm"] {
  --bg: #faf6ef;
  --bg-alt: #f4ebe0;
  --surface: #fffdf8;
  --surface-2: #fff9f0;
  --text: #2a2520;
  --text-muted: #6b5f52;
  --accent: #2a7d6f;
  --accent-2: #1f6358;
  --accent-glow: rgba(42, 125, 111, 0.3);
  --crystal: #4db8a4;
  --cream: #e8c89a;
  --border: rgba(42, 37, 32, 0.1);
  --hero-grad: radial-gradient(ellipse 70% 55% at 65% 25%, rgba(232, 200, 154, 0.45), transparent 55%),
    radial-gradient(ellipse 50% 40% at 25% 70%, rgba(42, 125, 111, 0.12), transparent 50%),
    linear-gradient(180deg, #faf6ef 0%, #f4ebe0 100%);
  --nav-bg: rgba(250, 246, 239, 0.9);
  --terminal-bg: #2a2520;
  --terminal-text: #f4ebe0;
  --card-hover: rgba(42, 125, 111, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--bg);
  background-image: linear-gradient(
    180deg,
    var(--bg) 0%,
    var(--bg-alt) 34%,
    var(--bg) 64%,
    var(--bg-alt) 100%
  );
  background-repeat: no-repeat;
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-2);
}

.container {
  width: min(var(--max-w), calc(100% - 2rem));
  margin-inline: auto;
}

/* Nav */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(var(--max-w), calc(100% - 2rem));
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

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

.brand-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pill-group {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}

.pill-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  font-family: inherit;
}

.pill-btn:hover {
  color: var(--text);
}

.pill-btn.active {
  background: var(--accent);
  color: #fff;
}

:root[data-theme="crystal"] .pill-btn.active {
  color: #0f1115;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow var(--transition), background var(--transition);
  font-family: inherit;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}

:root[data-theme="crystal"] .btn-primary {
  color: #0f1115;
}

.btn-primary:hover {
  background: var(--accent-2);
  color: #fff;
}

:root[data-theme="crystal"] .btn-primary:hover {
  color: #0f1115;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--card-hover);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 0.5rem 0.85rem;
  font-size: 0.88rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

/* Hero */
.hero {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 3rem) 0 4rem;
  background: var(--hero-grad);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Aurora — slow drifting colour clouds behind the hero. */
.hero-aurora {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-aurora::before,
.hero-aurora::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
}

.hero-aurora::before {
  width: 520px;
  height: 520px;
  background: var(--accent-glow);
  opacity: 0.55;
  top: -160px;
  right: -80px;
  animation: aurora 16s ease-in-out infinite;
}

.hero-aurora::after {
  width: 440px;
  height: 440px;
  background: var(--crystal);
  opacity: 0.28;
  bottom: -180px;
  left: -100px;
  animation: aurora 22s ease-in-out infinite reverse;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease infinite;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
  font-weight: 800;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin: 0 0 2rem;
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

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

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  min-height: 500px;
}

/* Mascot — layered for smooth, non-jerky life:
   stage (anchor) > float (vertical hover) > body (gestures) > img (breathe).
   Each transform lives on its own element so animations never fight. */
.mascot-stage {
  position: relative;
  width: min(380px, 90vw);
  z-index: 2;
}

.mascot-float {
  width: 100%;
  animation: evoc-float 5s ease-in-out infinite;
  will-change: transform;
}

.mascot-body {
  width: 100%;
  transform-origin: 50% 92%;
  animation: evoc-life 18s ease-in-out infinite;
  will-change: transform;
}

.mascot-img {
  width: 100%;
  height: auto;
  display: block;
  transform-origin: 50% 62%;
  animation: evoc-idle 4.6s ease-in-out infinite;
  filter: drop-shadow(0 14px 22px rgba(0, 0, 0, 0.16));
  transition: filter var(--transition);
  will-change: transform;
}

/* Grounding shadow that breathes opposite to the float for an alive feel. */
.mascot-shadow {
  position: absolute;
  left: 50%;
  bottom: -2%;
  width: 46%;
  height: 22px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.22), transparent 70%);
  border-radius: 50%;
  z-index: -1;
  animation: evoc-shadow 5s ease-in-out infinite;
}

:root[data-theme="crystal"] .mascot-shadow {
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.5), transparent 70%);
}

/* Mood overlays — applied to inner layers so they compose with the base
   life animation instead of replacing the stage transform. */
.mascot-stage[data-mood="wave"] .mascot-body {
  animation: evoc-wave 1s ease-in-out infinite;
}

.mascot-stage[data-mood="think"] .mascot-body {
  animation: evoc-think 3.2s ease-in-out infinite;
}

.mascot-stage[data-mood="work"] .mascot-float {
  animation-duration: 2.6s;
}

.mascot-stage[data-mood="success"] .mascot-img {
  filter: drop-shadow(0 0 26px var(--accent-glow)) drop-shadow(0 14px 22px rgba(0, 0, 0, 0.16));
}

/* Grounded scenes (pillars, demo, CTA): like Duolingo/Discord characters they
   stand still and just breathe + blink — no levitating. Only the hero EVOC
   keeps its gentle magical float. */
.mascot-stage--scene .mascot-float,
.mascot-stage--calm .mascot-float,
.cta-visual .mascot-float {
  animation: none;
}

.mascot-stage--scene .mascot-body,
.mascot-stage--calm .mascot-body,
.cta-visual .mascot-body {
  animation: none;
}

/* Different EVOC sizes across the page so the little ones feel scattered and
   alive rather than stamped at one scale. */
/* Generation is a landscape scene (mascot + the DAG it builds) — give it room. */
.scene--gen .mascot-stage--scene { width: min(440px, 96%); }
/* Runtime is a landscape start-chain illustration, so it needs more width. */
.scene--run .mascot-stage--scene { width: min(430px, 96%); }
/* Evolution GIF is square, so keep it close to the visual height of the other scenes. */
.scene--evo .mascot-stage--scene { width: min(300px, 72%); }
.mascot-stage--calm { width: min(208px, 56%); }
.cta-visual .mascot-stage { width: min(286px, 80%); }

/* Stagger the blinks so the poses don't all wink in unison. */
.mascot-stage--scene[data-mood="idle"] .mascot-img {
  animation-delay: 0.3s;
}

.mascot-stage--scene[data-mood="work"] .mascot-img {
  animation-delay: 1.6s;
  animation-duration: 5.2s;
}

.pillars .mascot-stage--scene[data-mood="success"] .mascot-img {
  animation-delay: 2.9s;
  animation-duration: 4.9s;
}

.mascot-stage--calm .mascot-img {
  animation-delay: 3.7s;
  animation-duration: 5.5s;
}

.cta-visual .mascot-stage .mascot-img {
  animation-delay: 1.1s;
  animation-duration: 4.3s;
}

.mascot-glow {
  position: absolute;
  inset: 8% 5% 14%;
  background: radial-gradient(circle, var(--accent-glow), transparent 65%);
  border-radius: 50%;
  z-index: 0;
  animation: glow-pulse 4s ease-in-out infinite;
}

.mascot-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}

.particle {
  position: absolute;
  left: var(--x);
  bottom: 20%;
  width: var(--size);
  height: var(--size);
  background: var(--crystal);
  clip-path: polygon(50% 0%, 65% 35%, 100% 50%, 65% 65%, 50% 100%, 35% 65%, 0% 50%, 35% 35%);
  opacity: 0;
  animation: sparkle var(--duration) ease-in-out var(--delay) infinite;
}

.crystal-accent {
  position: absolute;
  top: 8%;
  right: 5%;
  width: 48px;
  height: 48px;
  opacity: 0.7;
  animation: evoc-float 3.5s ease-in-out infinite reverse;
}

/* Sections */
section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-muted);
  margin: 0;
  font-size: 1.05rem;
}

/* How it works */
.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

:root[data-theme="crystal"] .step-num {
  color: #0f1115;
}

.step-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.step-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.step-emoji {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 1.5rem;
  opacity: 0.6;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: background var(--transition), border-color var(--transition);
}

.feature-card:hover {
  background: var(--card-hover);
  border-color: var(--accent);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--card-hover);
  border: 1px solid var(--border);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.feature-icon .feat-ico {
  width: 26px;
  height: 26px;
}

.feature-card:hover .feature-icon {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

:root[data-theme="crystal"] .feature-card:hover .feature-icon {
  color: #0f1115;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Benefits */
.benefits {
  position: relative;
  overflow: hidden;
}

.benefits-aurora {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.benefits-aurora::before,
.benefits-aurora::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}

.benefits-aurora::before {
  width: 460px;
  height: 460px;
  background: var(--accent-glow);
  opacity: 0.5;
  top: -160px;
  left: -120px;
  animation: aurora 18s ease-in-out infinite;
}

.benefits-aurora::after {
  width: 380px;
  height: 380px;
  background: var(--crystal);
  opacity: 0.28;
  bottom: -160px;
  right: -100px;
  animation: aurora 24s ease-in-out infinite reverse;
}

.benefits .container {
  position: relative;
  z-index: 1;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.75rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: var(--card-hover);
  border: 1px solid var(--border);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.benefit-card {
  position: relative;
  background: linear-gradient(165deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.9rem 1.6rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

/* Corner brand glow (kept inside the card so connectors can overflow). */
.benefit-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 60%;
  border-top-right-radius: var(--radius-lg);
  background: radial-gradient(circle at top right, var(--accent-glow), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.benefit-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

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

/* Chain connector — a link drawn into the gap toward the next card. */
.benefit-card::after {
  content: "";
  position: absolute;
  top: 3.4rem;
  right: -1.55rem;
  width: 1.5rem;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--crystal));
  transform: scaleX(0);
  transform-origin: left center;
  opacity: 0;
  z-index: 2;
  pointer-events: none;
}

.benefit-card--accent {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent) inset, var(--shadow-sm);
}

.benefit-tag {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  color: var(--accent);
  background: var(--card-hover);
  border: 1px solid var(--border);
}

.benefit-ico {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--accent), var(--crystal));
  color: #fff;
  margin-bottom: 1.1rem;
  box-shadow: 0 8px 20px var(--accent-glow);
  transition: transform var(--transition);
}

:root[data-theme="crystal"] .benefit-ico {
  color: #0f1115;
}

.benefit-card:hover .benefit-ico {
  transform: scale(1.08) rotate(-4deg);
}

.benefit-ico svg {
  width: 26px;
  height: 26px;
}

.benefit-card h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 0.45rem;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.benefit-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Chain-assembly animation: cards snap into place one-by-one and links draw
   between them, like a CARL chain being generated. JS adds `.chain-anim` when
   the grid scrolls into view; the `.js` gate keeps cards visible without JS. */
.js .benefits-grid .benefit-card {
  opacity: 0;
  transform: translateY(20px) scale(0.95);
}

.benefits-grid.chain-anim .benefit-card {
  animation: link-snap 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.benefits-grid.chain-anim .benefit-card:nth-child(1) { animation-delay: 0.05s; }
.benefits-grid.chain-anim .benefit-card:nth-child(2) { animation-delay: 0.22s; }
.benefits-grid.chain-anim .benefit-card:nth-child(3) { animation-delay: 0.39s; }
.benefits-grid.chain-anim .benefit-card:nth-child(4) { animation-delay: 0.56s; }
.benefits-grid.chain-anim .benefit-card:nth-child(5) { animation-delay: 0.73s; }
.benefits-grid.chain-anim .benefit-card:nth-child(6) { animation-delay: 0.90s; }

/* Connectors draw just after their card lands (skip the last in each row). */
.benefits-grid.chain-anim .benefit-card:not(:nth-child(3n))::after {
  animation: link-draw 0.32s ease forwards;
}

.benefits-grid.chain-anim .benefit-card:nth-child(1)::after { animation-delay: 0.34s; }
.benefits-grid.chain-anim .benefit-card:nth-child(2)::after { animation-delay: 0.51s; }
.benefits-grid.chain-anim .benefit-card:nth-child(4)::after { animation-delay: 0.85s; }
.benefits-grid.chain-anim .benefit-card:nth-child(5)::after { animation-delay: 1.02s; }

@keyframes link-snap {
  0% { opacity: 0; transform: translateY(20px) scale(0.93); }
  55% { opacity: 1; transform: translateY(-4px) scale(1.03); }
  78% { transform: translateY(1px) scale(0.99); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes link-draw {
  0% { transform: scaleX(0); opacity: 0; }
  100% { transform: scaleX(1); opacity: 0.9; }
}

/* Contribute */
.contribute {
  padding-top: 0;
}

.contribute-card {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0%, var(--accent-glow), transparent 55%),
    linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem;
}

.contribute-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--border) 1.4px, transparent 1.4px);
  background-size: 22px 22px;
  opacity: 0.5;
  -webkit-mask: radial-gradient(circle at 50% 0%, #000, transparent 70%);
  mask: radial-gradient(circle at 50% 0%, #000, transparent 70%);
  pointer-events: none;
}

.contribute-head {
  position: relative;
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.contribute-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.contribute-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.contribute-head p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.contribute-ways {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.contribute-way {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  color: var(--text);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.contribute-way:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  color: var(--text);
}

.way-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--card-hover);
  border: 1px solid var(--border);
  color: var(--accent);
  margin-bottom: 1rem;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.way-ico svg {
  width: 24px;
  height: 24px;
}

.contribute-way:hover .way-ico {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

:root[data-theme="crystal"] .contribute-way:hover .way-ico {
  color: #0f1115;
}

.contribute-way h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.contribute-way p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.contribute-actions {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

/* Stack */
.stack-diagram {
  position: relative;
  min-height: 520px;
  max-width: 900px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius-lg) + 8px);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, var(--accent-glow), transparent 22%),
    radial-gradient(circle at 18% 22%, rgba(126, 240, 221, 0.18), transparent 28%),
    radial-gradient(circle at 82% 78%, rgba(244, 230, 200, 0.32), transparent 30%),
    linear-gradient(150deg, var(--surface), var(--surface-2));
  box-shadow: var(--shadow-md);
}

.stack-diagram::before,
.stack-diagram::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px dashed color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 50%;
  opacity: 0.65;
  pointer-events: none;
}

.stack-diagram::after {
  inset: 24%;
  border-style: solid;
  opacity: 0.35;
}

.stack-care {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  width: min(240px, 58vw);
  min-height: 120px;
  padding: 1.4rem 1.6rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  text-align: center;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: var(--shadow-glow);
}

:root[data-theme="crystal"] .stack-care {
  color: #0f1115;
}

.stack-connector {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 12%, color-mix(in srgb, var(--accent) 38%, transparent) 50%, transparent 88%),
    linear-gradient(0deg, transparent 14%, color-mix(in srgb, var(--accent) 30%, transparent) 50%, transparent 86%);
  mask:
    radial-gradient(circle at 50% 50%, transparent 0 82px, #000 84px 86px, transparent 88px),
    linear-gradient(#000, #000);
  opacity: 0.55;
}

.stack-modules {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.stack-module {
  position: absolute;
  width: min(245px, 34%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: left;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.stack-module:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.stack-module::before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: 0.7rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent-glow);
}

.stack-module--mage {
  top: 13%;
  left: 8%;
}

.stack-module--carl {
  top: 13%;
  right: 8%;
}

.stack-module--memory {
  bottom: 13%;
  left: 8%;
}

.stack-module--platform {
  right: 8%;
  bottom: 13%;
}

.stack-module h4 {
  margin: 0 0 0.25rem;
  color: var(--accent);
  font-size: 1rem;
}

.stack-module .role {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.stack-module p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Demo */
.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.terminal {
  background: var(--terminal-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot:nth-child(1) { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #febc2e; }
.terminal-dot:nth-child(3) { background: #28c840; }

.terminal-title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
}

.terminal-mode {
  margin-left: auto;
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: rgba(46, 191, 174, 0.25);
  color: var(--crystal);
  font-family: var(--font-mono);
}

.terminal-output {
  padding: 1.25rem;
  min-height: 280px;
  max-height: 320px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--terminal-text);
}

.terminal-line--user {
  color: var(--crystal);
  margin-bottom: 0.5rem;
}

.terminal-line--tool {
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.25rem;
}

.terminal-line--assistant {
  color: #fff;
  margin: 0.75rem 0;
}

.demo-mascot-wrap {
  display: flex;
  justify-content: center;
}

.demo-mascot-wrap .mascot-stage {
  width: min(280px, 80vw);
}

/* Install */
.install-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.install-step {
  display: flex;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.install-step:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.install-step-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
}

:root[data-theme="crystal"] .install-step-num {
  color: #0f1115;
}

.install-step-body {
  flex: 1;
  min-width: 0;
}

.install-step-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.install-step-body p {
  margin: 0 0 0.85rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.code-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--terminal-bg);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.9rem;
  overflow-x: auto;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--terminal-text);
  white-space: nowrap;
}

.code-prompt {
  color: var(--accent);
  user-select: none;
  margin-right: 0.4rem;
}

.copy-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.6rem;
  font-family: inherit;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.copy-btn:hover {
  background: rgba(46, 191, 174, 0.22);
  color: #fff;
  border-color: var(--accent);
}

.copy-btn.copied {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.copy-ico {
  width: 15px;
  height: 15px;
}

.install-aside {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.install-aside h4 {
  margin: 0 0 1rem;
  font-size: 1rem;
}

.install-reqs {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.install-reqs li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.req-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.install-oneliner {
  margin-bottom: 1.25rem;
}

.install-oneliner-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.code-block--compact {
  padding: 0.55rem 0.7rem;
}

.code-block--compact code {
  font-size: 0.78rem;
}

/* CTA */
.cta-section {
  padding: 5rem 0;
}

.cta-card {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  border-radius: var(--radius-lg);
  padding: 3rem 3rem;
  position: relative;
  overflow: hidden;
  color: #fff;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  align-items: center;
  gap: 2rem;
}

:root[data-theme="crystal"] .cta-card {
  color: #0f1115;
}

.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.18), transparent 50%);
  pointer-events: none;
}

.cta-text {
  position: relative;
  z-index: 1;
}

.cta-card h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.cta-card p {
  margin: 0 0 2rem;
  max-width: 520px;
  opacity: 0.92;
}

.cta-actions {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.cta-visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}

.cta-visual .mascot-stage {
  width: min(300px, 82%);
}

.cta-doodles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.cta-doodles .doodle-diamond,
.cta-doodles .doodle-ring {
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(255, 255, 255, 0.6);
}

.cta-doodles .doodle-plus::before,
.cta-doodles .doodle-plus::after {
  background: rgba(255, 255, 255, 0.6);
}

.cta-card .btn-primary {
  background: #fff;
  color: var(--accent-2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.cta-card .btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: inherit;
  border-color: rgba(255, 255, 255, 0.35);
}

.cta-card .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  color: inherit;
}

/* Large CTA buttons */
.btn-lg {
  padding: 0.9rem 1.7rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  z-index: 2;
}

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

.scroll-arrow {
  width: 22px;
  height: 22px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  animation: scroll-bounce 1.8s ease-in-out infinite;
}

/* Decorative floating doodles */
.doodle {
  position: absolute;
  top: var(--top);
  left: var(--left);
  width: var(--size);
  height: var(--size);
  animation: evoc-float 6s ease-in-out infinite;
  animation-delay: var(--delay, 0s);
  transition: translate 0.3s ease-out;
  will-change: transform, translate;
}

.mascot-stage--hero {
  width: min(360px, 86vw);
  transition: translate 0.3s ease-out;
}

.mascot-stage--hero .mascot-shadow {
  bottom: -1%;
  width: 58%;
  height: 24px;
}

.mascot-img--gif {
  animation: none;
  image-rendering: pixelated;
}

.doodle-diamond {
  background: var(--accent);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  opacity: 0.55;
}

.doodle-ring {
  border: 3px solid var(--crystal);
  border-radius: 50%;
  opacity: 0.5;
}

.doodle-plus::before,
.doodle-plus::after {
  content: "";
  position: absolute;
  background: var(--accent);
  border-radius: 2px;
}

.doodle-plus::before {
  inset: 45% 0;
}

.doodle-plus::after {
  inset: 0 45%;
}

/* Marquee ribbon */
.marquee {
  overflow: hidden;
  background: var(--surface);
  border-block: 1px solid var(--border);
  padding: 1rem 0;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 26s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.marquee-item b {
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--text);
  padding: 0 1.4rem;
}

.marquee-sep {
  color: var(--accent);
  font-size: 0.9rem;
  font-style: normal;
}

/* Pillars — Discord-style alternating showcase rows */
.pillars {
  position: relative;
  overflow: hidden;
}

.pillars-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 3rem;
}

.pillars-row:last-child {
  margin-bottom: 0;
}

.pillars-row .scene { order: 0; }
.pillars-row .pillar-text { order: 1; }
.pillars-row--reverse .scene { order: 1; }
.pillars-row--reverse .pillar-text { order: 0; }

.scene {
  position: relative;
  min-height: 360px;
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 30% 25%, var(--accent-glow), transparent 60%),
    linear-gradient(160deg, var(--surface), var(--surface-2));
}

.scene::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--border) 1.4px, transparent 1.4px);
  background-size: 22px 22px;
  opacity: 0.6;
  -webkit-mask: radial-gradient(circle at center, #000, transparent 72%);
  mask: radial-gradient(circle at center, #000, transparent 72%);
}

.scene--run {
  background:
    radial-gradient(circle at 70% 30%, var(--accent-glow), transparent 60%),
    linear-gradient(160deg, var(--surface-2), var(--surface));
}

.scene--evo {
  background:
    radial-gradient(circle at 50% 80%, var(--accent-glow), transparent 60%),
    linear-gradient(200deg, var(--surface), var(--surface-2));
}

.mascot-stage--scene {
  width: min(230px, 64%);
  z-index: 2;
}

.chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  z-index: 3;
  animation: evoc-float 5s ease-in-out infinite;
}

.chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.chip--tl { top: 12%; left: 4%; animation-delay: 0s; }
.chip--tr { top: 20%; right: 4%; animation-delay: 1s; }
.chip--br { bottom: 14%; right: 8%; animation-delay: 2s; }

.pillar-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.pillar-text h3 {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  line-height: 1.15;
}

.pillar-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin: 0 0 1.5rem;
  max-width: 46ch;
}

.pillar-link {
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.pillar-link::after {
  content: "→";
  transition: transform var(--transition);
}

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

/* Hero speech bubble */
.hero-doodles {
  position: absolute;
  inset: -5% -8%;
  z-index: 1;
  pointer-events: none;
}

.speech-bubble {
  position: absolute;
  top: 0.5rem;
  right: 0;
  left: auto;
  transform: none;
  max-width: 230px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.7rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow-md);
  z-index: 5;
  text-align: left;
  animation: bubble-bob 4s ease-in-out infinite;
}

.speech-bubble::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 28%;
  transform: rotate(45deg);
  width: 14px;
  height: 14px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Footer */
.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Animations */

/* Vertical hover — eased so the turnaround is soft, never a hard bounce.
   Kept gentle (hero only) so EVOC drifts rather than bobs distractingly. */
@keyframes evoc-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Living idle: a slow breath, then a quick blink (fast vertical pinch around
   the face). Reads as alive without any jerky drifting. Loops seamlessly. */
@keyframes evoc-idle {
  0%, 100% { transform: scale(1, 1); }
  40% { transform: scale(1.012, 0.99); }
  78% { transform: scale(1, 1); }
  82% { transform: scale(1.025, 0.86); }
  86% { transform: scale(0.995, 1.03); }
  90% { transform: scale(1, 1); }
}

/* Long life timeline: mostly calm idle with a few spaced-out micro-gestures
   (look around, little lean) so EVOC reads as alive without ever jerking.
   Start and end states are identical for a seamless loop. */
@keyframes evoc-life {
  0%, 28% { transform: rotate(0deg) translateX(0); }
  34% { transform: rotate(-2.4deg) translateX(-2px); }
  40% { transform: rotate(-2deg) translateX(-2px); }
  46% { transform: rotate(0deg) translateX(0); }
  52%, 60% { transform: rotate(0deg) translateX(0); }
  66% { transform: rotate(2.2deg) translateX(2px); }
  72% { transform: rotate(1.8deg) translateX(2px); }
  78% { transform: rotate(0deg) translateX(0); }
  86% { transform: rotate(-1deg) translateX(0); }
  92% { transform: rotate(0deg) translateX(0); }
  100% { transform: rotate(0deg) translateX(0); }
}

/* Friendly hover wiggle. */
@keyframes evoc-wave {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-6deg); }
  60% { transform: rotate(5deg); }
  80% { transform: rotate(-2deg); }
}

/* Contemplative lean while the terminal "thinks". */
@keyframes evoc-think {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(-5deg) translateX(-2px); }
}

/* Ground shadow shrinks as the mascot rises — opposite phase to the float. */
@keyframes evoc-shadow {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.85; }
  50% { transform: translateX(-50%) scale(0.82); opacity: 0.5; }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes sparkle {
  0%, 100% { opacity: 0; transform: translateY(0) scale(0.5); }
  20% { opacity: 0.9; }
  50% { opacity: 0.4; transform: translateY(-40px) scale(1); }
  80% { opacity: 0; }
}

@keyframes aurora {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(36px, 24px) scale(1.12); }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-25%); }
}

@keyframes scroll-bounce {
  0%, 100% { transform: rotate(45deg) translate(0, 0); }
  50% { transform: rotate(45deg) translate(4px, 4px); }
}

@keyframes bubble-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid,
  .demo-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-visual {
    order: -1;
    min-height: 500px;
  }

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

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

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

  .pillars-row,
  .pillars-row--reverse {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .install-grid {
    grid-template-columns: 1fr;
  }

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

  .benefit-card::after {
    display: none;
  }

  .contribute-ways {
    grid-template-columns: 1fr;
  }

  .pillars-row .scene,
  .pillars-row .pillar-text,
  .pillars-row--reverse .scene,
  .pillars-row--reverse .pillar-text {
    order: 0;
  }

  .pillar-text {
    text-align: center;
  }

  .pillar-text p {
    margin-inline: auto;
  }

  .cta-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cta-text p {
    margin-inline: auto;
  }

  .cta-actions {
    justify-content: center;
  }

  .cta-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .how-grid,
  .features-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .stack-diagram {
    min-height: auto;
    padding: 1.25rem;
  }

  .stack-diagram::before,
  .stack-diagram::after,
  .stack-connector {
    inset: 1rem;
  }

  .stack-care {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    margin: 0 auto 1rem;
  }

  .stack-modules {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .stack-module,
  .stack-module--mage,
  .stack-module--carl,
  .stack-module--memory,
  .stack-module--platform {
    position: relative;
    inset: auto;
    width: 100%;
  }

  .contribute-card {
    padding: 2rem 1.5rem;
  }

  .hero-stats {
    gap: 1.25rem;
  }

  .pill-group[data-theme-switch] .pill-btn {
    padding: 0.3rem 0.45rem;
    font-size: 0.7rem;
  }

  .scene {
    min-height: 300px;
  }

  .chip {
    font-size: 0.72rem;
    padding: 0.4rem 0.65rem;
  }

  .scroll-hint {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .mascot-float,
  .mascot-body,
  .mascot-img,
  .mascot-shadow,
  .mascot-glow,
  .particle,
  .crystal-accent,
  .badge-dot,
  .doodle,
  .chip,
  .marquee-track,
  .hero-aurora::before,
  .hero-aurora::after,
  .benefits-aurora::before,
  .benefits-aurora::after,
  .speech-bubble,
  .scroll-arrow {
    animation: none !important;
  }
  .speech-bubble { transform: none; }

  .js .benefits-grid .benefit-card {
    opacity: 1;
    transform: none;
    animation: none !important;
  }

  .benefit-card::after {
    display: none;
  }
}