/* ===================================================================
   BACKSTAGE GUILD — DESIGN SYSTEM v2.0
   Dark Premium · Editorial · Backstage / Twilight / Strategist
   GSAP + ScrollTrigger + Lenis stack
   Mobile-first → Desktop adaptation
   =================================================================== */

/* ----- 1. DESIGN TOKENS ----- */
:root {
  /* Palette */
  --color-bg: #0A0A0B;
  --color-surface: #15151A;
  --color-surface-alt: #1C1C22;
  --color-border: #2A2A30;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #B4B4BC;
  --color-text-muted: #7A7A82;
  --color-accent: #FFEF47;
  --color-accent-soft: rgba(255, 239, 71, 0.14);
  --color-accent-glow: rgba(255, 239, 71, 0.28);
  --color-accent-dim: rgba(255, 239, 71, 0.08);

  /* Mesh gradient colors */
  --mesh-1: rgba(255, 239, 71, 0.18);   /* yellow accent — boosted */
  --mesh-2: rgba(120, 80, 255, 0.14);   /* violet — boosted */
  --mesh-3: rgba(0, 200, 255, 0.10);    /* cyan — boosted */

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing scale: 4 · 8 · 12 · 16 · 24 · 32 · 48 · 64 · 96 · 128 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;
  --space-32: 128px;

  /* Radii */
  --radius-card: 20px;
  --radius-button: 14px;
  --radius-badge: 999px;
  --radius-sm: 10px;

  /* Shadows */
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-elevated: 0 16px 48px rgba(0, 0, 0, 0.5);
  --glow-accent: 0 0 24px var(--color-accent-glow);

  /* Motion */
  --ease-out-soft: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --dur-fast: 180ms;
  --dur-base: 300ms;
  --dur-slow: 500ms;

  /* Layout */
  --container-mobile: 20px;
  --container-max: 1280px;
  --gutter: 24px;
}

/* ----- 2. RESET & BASE ----- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* ----- 3. TYPOGRAPHY ----- */
h1, h2, h3 {
  color: var(--color-text-primary);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(38px, 7.5vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 800;
}

h2 {
  font-size: clamp(28px, 4.8vw, 52px);
  line-height: 1.1;
  font-weight: 800;
}

h3 {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

p {
  max-width: 60ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), rgba(255, 239, 71, 0.4));
  border-radius: 2px;
  flex-shrink: 0;
}

.text-muted {
  color: var(--color-text-muted);
}

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

/* ----- 4. PREMIUM BACKGROUND LAYERS ----- */

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), rgba(120, 80, 255, 0.8));
  z-index: 200;
  pointer-events: none;
}

/* Animated mesh gradient background */
.mesh-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
  overflow: hidden;
}

.mesh-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 1;
  will-change: transform;
}

.mesh-blob-1 {
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  max-height: 600px;
  background: radial-gradient(circle, var(--mesh-1) 0%, transparent 70%);
  top: -10%;
  right: -5%;
  animation: meshFloat1 18s ease-in-out infinite;
}

.mesh-blob-2 {
  width: 45vw;
  height: 45vw;
  max-width: 500px;
  max-height: 500px;
  background: radial-gradient(circle, var(--mesh-2) 0%, transparent 70%);
  bottom: 10%;
  left: -8%;
  animation: meshFloat2 22s ease-in-out infinite;
}

.mesh-blob-3 {
  width: 40vw;
  height: 40vw;
  max-width: 450px;
  max-height: 450px;
  background: radial-gradient(circle, var(--mesh-3) 0%, transparent 70%);
  top: 40%;
  left: 50%;
  animation: meshFloat3 20s ease-in-out infinite;
}

@keyframes meshFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-30px, 40px) scale(1.1); }
  66% { transform: translate(20px, -30px) scale(0.95); }
}

@keyframes meshFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -50px) scale(1.15); }
}

@keyframes meshFloat3 {
  0%, 100% { transform: translate(-50%, 0) scale(1); }
  33% { transform: translate(-60%, 30px) scale(0.9); }
  66% { transform: translate(-40%, -40px) scale(1.1); }
}

/* Film grain overlay (SVG noise) */
.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 180px;
}

/* Cursor glow follower */
.cursor-glow {
  position: fixed;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 239, 71, 0.06) 0%, rgba(120, 80, 255, 0.03) 40%, transparent 65%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 600ms ease;
  will-change: left, top;
}

.cursor-glow.active {
  opacity: 1;
}

/* ----- 5. TEXT SPLIT ANIMATION ----- */
.split-title {
  overflow: hidden;
}

.split-word {
  display: inline-block;
  overflow: hidden;
  white-space: normal;
  vertical-align: top;
}

.split-word-inner {
  display: inline-block;
  will-change: transform, opacity;
}

/* ----- 6. LAYOUT ----- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-mobile);
  padding-right: var(--container-mobile);
}

.section {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
  position: relative;
}

.section-header {
  margin-bottom: var(--space-12);
}

.section-header h2 {
  margin-top: var(--space-2);
}

.section-intro {
  margin-top: var(--space-6);
  font-size: 17px;
  line-height: 1.65;
  max-width: 58ch;
  color: var(--color-text-secondary);
}

/* ----- 7. COMPONENTS ----- */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-button);
  padding: 14px 28px;
  min-height: 48px;
  transition: transform var(--dur-base) var(--ease-out-soft),
              box-shadow var(--dur-base) var(--ease-out-soft),
              background-color var(--dur-base) var(--ease-out-soft);
  position: relative;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-bg);
  border-radius: var(--radius-badge);
  font-weight: 700;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 0 32px rgba(255, 239, 71, 0.35), 0 4px 16px rgba(0,0,0,0.3);
  transform: translateY(-3px) scale(1.02);
  outline: none;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-badge);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: var(--color-surface-alt);
  border-color: var(--color-text-muted);
  transform: translateY(-2px);
  outline: none;
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-full {
  width: 100%;
}

.btn-lg {
  padding: 16px 36px;
  min-height: 56px;
  font-size: 16px;
}

/* Magnetic button wrapper */
.magnetic-wrap {
  display: inline-block;
  position: relative;
  will-change: transform;
}

.magnetic-wrap .btn {
  will-change: transform;
}

/* Focus visible (accessibility) */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: var(--radius-badge);
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  border: 1px solid rgba(255, 239, 71, 0.2);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  flex-shrink: 0;
  animation: badgePulse 2s ease-in-out infinite;
}

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

/* Cards */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}

.card-elevated {
  box-shadow: var(--shadow-card);
}

/* Accent line (animated yellow line) */
.accent-line {
  display: block;
  width: 48px;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 600ms var(--ease-out-soft);
}

.reveal.is-revealed .accent-line,
.is-revealed .accent-line {
  transform: scaleX(1);
}

/* Card top accent bar */
.card-accent-top {
  border-top: 3px solid var(--color-accent);
}

/* ----- 8. SCROLL REVEAL (GSAP-driven, with CSS fallback) ----- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
}

.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--dur-slow) var(--ease-out-soft),
              transform var(--dur-slow) var(--ease-out-soft);
}

/* Stagger via data attribute */
.reveal[data-stagger] {
  transition-delay: calc(var(--stagger-index, 0) * 80ms);
}

/* ----- 9. NAVBAR ----- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  transition: background-color var(--dur-base) var(--ease-out-soft),
              border-color var(--dur-base) var(--ease-out-soft),
              padding var(--dur-base) var(--ease-out-soft);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background-color: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.navbar-brand-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-bg);
  border-radius: 8px;
  font-size: 15px;
  flex-shrink: 0;
}

.navbar-logo-img {
  height: 32px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

.footer-logo-img {
  height: 28px;
  width: auto;
  display: block;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Audience toggle — Artists ⇄ Fans switcher */
.audience-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-badge);
  padding: 3px;
}

.audience-toggle-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: var(--radius-badge);
  color: var(--color-text-muted);
  min-height: 28px;
  letter-spacing: 0.01em;
  transition: background-color var(--dur-fast) var(--ease-out-soft),
              color var(--dur-fast) var(--ease-out-soft),
              border-color var(--dur-fast) var(--ease-out-soft);
  border: 1px solid transparent;
  white-space: nowrap;
}

.audience-toggle-item i {
  font-size: 12px;
  flex-shrink: 0;
}

/* Inactive item = clickable link to the other page */
a.audience-toggle-item:hover {
  color: var(--color-text-secondary);
}

/* Active item = current page, not clickable (span) */
.audience-toggle-item.active {
  background-color: var(--color-accent);
  color: var(--color-bg);
  cursor: default;
}

/* Labels hidden on very small screens, icon-only until tablet */
.audience-toggle-label {
  display: none;
}

@media (min-width: 640px) {
  .audience-toggle-label {
    display: inline;
  }
}

/* Hide decorative brand text on very small phones to make room */
@media (max-width: 479px) {
  .navbar-brand span {
    display: none;
  }
}

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-badge);
  padding: 3px;
}

.lang-btn {
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-badge);
  color: var(--color-text-muted);
  transition: background-color var(--dur-fast) var(--ease-out-soft),
              color var(--dur-fast) var(--ease-out-soft);
  min-height: 28px;
  letter-spacing: 0.02em;
}

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

.lang-btn.active {
  background-color: var(--color-surface-alt);
  color: var(--color-text-primary);
}

.navbar-cta {
  display: none;
}

/* ----- 10. HERO SECTION ----- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  margin-bottom: var(--space-4);
}

.hero-title {
  margin-top: var(--space-2);
  /* Extra rendering boost on hero */
  text-shadow: 0 0 80px rgba(255, 255, 255, 0.05);
}

.hero-subtitle {
  font-size: clamp(16px, 2.2vw, 20px);
  line-height: 1.65;
  color: rgba(180, 180, 188, 0.9);
  margin-top: var(--space-6);
  max-width: 52ch;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.hero-microproof {
  margin-top: var(--space-6);
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hero-microproof::before {
  content: '';
  width: 16px;
  height: 1px;
  background-color: var(--color-text-muted);
  flex-shrink: 0;
}

/* Hero floating cards — glass morphism */
.hero-visual {
  position: relative;
  margin-top: var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  z-index: 2;
}

.float-card-item {
  background-color: rgba(21, 21, 26, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(255, 239, 71, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  will-change: transform;
  transition: border-color var(--dur-base) var(--ease-out-soft),
              box-shadow var(--dur-base) var(--ease-out-soft);
}

.float-card-item:hover {
  border-color: rgba(255, 239, 71, 0.15);
  box-shadow: var(--shadow-card), 0 0 24px rgba(255, 239, 71, 0.06);
}

.float-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.float-card-text strong {
  display: block;
  color: var(--color-text-primary);
  font-size: 15px;
  font-weight: 600;
}

.float-card-text span {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* Scroll cue */
.scroll-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
  color: var(--color-text-muted);
  position: relative;
  z-index: 2;
}

.scroll-cue-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--color-text-muted), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ----- 11. MARQUEE ----- */
.marquee {
  overflow: hidden;
  padding: var(--space-8) 0;
  position: relative;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: var(--space-8);
  white-space: nowrap;
  will-change: transform;
  animation: marqueeScroll 22s linear infinite;
}

.marquee-item {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(180, 180, 188, 0.5);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-8);
  transition: -webkit-text-stroke 300ms ease, color 300ms ease;
}

/* Every 3rd item is accented */
.marquee-item:nth-child(3n) {
  color: var(--color-accent);
  -webkit-text-stroke: 0;
  opacity: 0.7;
}

.marquee-item::after {
  content: '✦';
  -webkit-text-stroke: 0;
  color: var(--color-accent);
  font-size: 0.5em;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ----- 12. PROBLEM SECTION ----- */
.problem-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.problem-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  transition: border-color var(--dur-base) var(--ease-out-soft),
              transform var(--dur-base) var(--ease-out-soft);
}

.problem-card:hover {
  border-color: rgba(255, 239, 71, 0.15);
  transform: translateY(-3px);
}

.problem-card h3 {
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.problem-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background-color: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 16px;
  flex-shrink: 0;
}

.problem-card p {
  color: var(--color-text-secondary);
  font-size: 15px;
}

/* ----- 13. SOLUTION SECTION ----- */
.solution-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-accent);
  border-radius: var(--radius-card);
  padding: var(--space-12) var(--space-8);
  box-shadow: var(--shadow-card), 0 0 60px rgba(255, 239, 71, 0.04);
  position: relative;
  overflow: hidden;
}

.solution-card h2 {
  margin-bottom: var(--space-4);
}

.solution-card .accent-line {
  margin-bottom: var(--space-8);
}

.solution-card .section-intro {
  max-width: 62ch;
}

.solution-points {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.solution-point {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 15px;
  color: var(--color-text-primary);
  font-weight: 500;
}

.solution-point::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  margin-top: 8px;
  flex-shrink: 0;
}

/* Mini timeline fan → superfan */
.timeline {
  margin-top: var(--space-12);
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  position: relative;
}

.timeline-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 15px;
  top: 52px;
  bottom: -8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-border), transparent);
}

.timeline-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-surface-alt);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-muted);
  flex-shrink: 0;
  z-index: 1;
  transition: border-color var(--dur-base) var(--ease-out-soft),
              color var(--dur-base) var(--ease-out-soft);
}

.timeline-item.active .timeline-dot {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
}

.timeline-text strong {
  display: block;
  color: var(--color-text-primary);
  font-size: 15px;
  font-weight: 600;
}

.timeline-text span {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ----- 14. HOW IT WORKS (Sticky Stacking) ----- */
.how-section {
  padding-bottom: var(--space-16);
}

.sticky-stack {
  position: relative;
}

.sticky-card {
  position: sticky;
  top: 100px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-12) var(--space-8);
  margin-bottom: var(--space-24);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform 100ms linear;
  overflow: hidden;
}

/* Giant background number */
.sticky-card::after {
  content: attr(data-num);
  position: absolute;
  right: -0.05em;
  bottom: -0.15em;
  font-size: clamp(120px, 20vw, 200px);
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.04);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.05em;
}

.sticky-card-number {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}

.sticky-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.sticky-card p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.sticky-card-visual {
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sticky-card-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 16px;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-badge);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.sticky-card-tag i {
  color: var(--color-accent);
}

/* Intermediate CTA */
.intermediate-cta {
  text-align: center;
  padding: var(--space-8) 0;
}

/* ----- 15. BENEFITS SECTION ----- */
.benefits-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.benefit-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out-soft),
              box-shadow var(--dur-base) var(--ease-out-soft);
}

/* Radial gradient that follows mouse via --mx/--my CSS vars */
.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%),
              var(--color-accent-dim), transparent 40%);
  opacity: 0;
  transition: opacity 300ms ease;
  pointer-events: none;
}

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

.benefit-card .accent-line {
  margin-top: var(--space-6);
}

.benefit-card h3 {
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.benefit-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.benefit-card p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

/* ----- 16. USE CASES (Progressive Detail) ----- */
.usecase-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.usecase-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-6) var(--space-8);
  cursor: pointer;
  transition: border-color var(--dur-base) var(--ease-out-soft),
              background-color var(--dur-base) var(--ease-out-soft);
}

.usecase-card:hover,
.usecase-card:focus-visible {
  border-color: var(--color-text-muted);
  background-color: var(--color-surface-alt);
  outline: none;
}

.usecase-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.usecase-card-header h3 {
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.usecase-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.usecase-summary {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.usecase-toggle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: 12px;
  flex-shrink: 0;
  transition: transform 200ms var(--ease-out-soft),
              background-color var(--dur-base) var(--ease-out-soft);
}

.usecase-card.open .usecase-toggle {
  transform: rotate(45deg);
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  border-color: transparent;
}

.usecase-detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 250ms var(--ease-out-soft);
}

.usecase-card.open .usecase-detail {
  grid-template-rows: 1fr;
}

.usecase-detail-inner {
  overflow: hidden;
}

.usecase-detail-content {
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.usecase-example {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-accent);
}

/* ----- 17. SOCIAL PROOF SECTION ----- */
/* Mobile-first layout: row 1 = [80%] [Agents IA] side by side,
   row 2 = [Fondateur] spanning the full width of both cards above. */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.stat-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-5) var(--space-3);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}

.stat-card-founder {
  grid-column: 1 / -1;
}

.stat-value {
  font-size: clamp(30px, 9vw, 64px);
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-3);
  max-width: 100%;
  word-break: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

/* Text-based stat values (e.g. "Agents IA", "Fondateur") need a smaller,
   more conservative size than pure numeric stats so long words never
   overflow the card on narrow viewports. */
.stat-value-text {
  font-size: clamp(24px, 6.5vw, 40px);
}

.stat-value-accent {
  color: var(--color-accent);
}

.stat-label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-secondary);
  max-width: 32ch;
  margin: 0 auto;
}

.stat-detail {
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-primary);
  max-width: 32ch;
  margin: var(--space-2) auto 0;
}

.stat-breakdown {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  width: 100%;
  max-width: 220px;
}

.stat-breakdown-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
}

.stat-breakdown-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 12px;
}

.stat-breakdown-item {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  text-align: left;
}

.stat-cta-link {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: 13px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  max-width: 40ch;
}

.stat-cta-link:hover {
  color: var(--color-text-primary);
}

.stat-founder-logo-link {
  display: inline-flex;
  margin-top: var(--space-4);
  border-radius: var(--radius-sm);
  transition: opacity var(--dur-fast) var(--ease-out-soft), transform var(--dur-fast) var(--ease-out-soft);
}

.stat-founder-logo-link:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

.stat-founder-logo {
  display: block;
  height: 40px;
  width: auto;
  max-width: 100%;
  border-radius: var(--radius-sm);
}

/* ----- 18. FAQ SECTION ----- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out-soft);
}

.faq-item.open {
  border-color: rgba(255, 239, 71, 0.25);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6);
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  min-height: 48px;
  transition: background-color var(--dur-fast) var(--ease-out-soft);
}

.faq-question:hover {
  background-color: var(--color-surface-alt);
}

.faq-chevron {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 11px;
  flex-shrink: 0;
  transition: transform 200ms var(--ease-out-soft),
              color var(--dur-base) var(--ease-out-soft);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 250ms var(--ease-out-soft);
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
}

.faq-answer p {
  padding: 0 var(--space-6) var(--space-6);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  opacity: 0;
  transition: opacity 200ms var(--ease-out-soft) 50ms;
}

.faq-item.open .faq-answer p {
  opacity: 1;
}

/* ----- 19. FINAL CTA SECTION ----- */
.final-cta-card {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-alt) 60%, rgba(120, 80, 255, 0.05) 100%);
  border: 1px solid rgba(255, 239, 71, 0.15);
  border-radius: var(--radius-card);
  padding: var(--space-16) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-elevated), 0 0 80px rgba(255, 239, 71, 0.06);
}

.final-cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  background-size: 200% 100%;
  opacity: 0.6;
}

/* Animated glow inside final CTA card */
.cta-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255, 239, 71, 0.10) 0%, rgba(120, 80, 255, 0.05) 35%, transparent 60%);
  animation: ctaGlowPulse 6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes ctaGlowPulse {
  0%, 100% { transform: scale(0.8); opacity: 0.3; }
  50% { transform: scale(1.1); opacity: 0.6; }
}

.final-cta-card .badge {
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.final-cta-card h2 {
  font-size: clamp(26px, 5vw, 44px);
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.final-cta-card .section-intro {
  margin: 0 auto var(--space-8);
  text-align: center;
  position: relative;
  z-index: 1;
}

.final-cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 420px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.final-cta-microcopy {
  margin-top: var(--space-6);
  font-size: 13px;
  color: var(--color-text-muted);
  position: relative;
  z-index: 1;
}

/* Border shimmer (CTA final desktop) */
@keyframes borderShimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* ----- 20. WAITLIST FORM ----- */
.waitlist-form-wrapper {
  max-width: 640px;
  margin: var(--space-8) auto 0;
  position: relative;
  z-index: 1;
}

/* Form layout */
.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.waitlist-fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Field group */
.waitlist-field-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  text-align: left;
}

.waitlist-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  padding-left: 2px;
  transition: color var(--dur-fast) var(--ease-out-soft);
}

.waitlist-field-group:focus-within .waitlist-label {
  color: var(--color-accent);
}

/* Input / Select shared style */
.waitlist-input {
  background-color: rgba(21, 21, 26, 0.8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.5;
  padding: 14px 18px;
  min-height: 52px;
  width: 100%;
  outline: none;
  transition: border-color var(--dur-base) var(--ease-out-soft),
              box-shadow var(--dur-base) var(--ease-out-soft),
              background-color var(--dur-base) var(--ease-out-soft);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  appearance: none;
  -webkit-appearance: none;
}

.waitlist-input::placeholder {
  color: var(--color-text-muted);
  opacity: 1;
}

.waitlist-input:focus {
  border-color: rgba(255, 239, 71, 0.45);
  box-shadow: 0 0 0 3px rgba(255, 239, 71, 0.08), 0 0 20px rgba(255, 239, 71, 0.06);
  background-color: rgba(28, 28, 34, 0.9);
}

.waitlist-input:hover:not(:focus) {
  border-color: rgba(255, 255, 255, 0.12);
}

/* Validation states */
.waitlist-field-group.has-error .waitlist-input {
  border-color: rgba(255, 80, 80, 0.5);
  box-shadow: 0 0 0 3px rgba(255, 80, 80, 0.08);
}

.waitlist-field-group.has-success .waitlist-input {
  border-color: rgba(80, 220, 100, 0.4);
}

/* Error message */
.waitlist-error {
  font-size: 12px;
  color: rgba(255, 100, 100, 0.9);
  font-weight: 500;
  padding-left: 2px;
  display: none;
}

.waitlist-field-group.has-error .waitlist-error {
  display: block;
}

/* Select wrapper (custom arrow) */
.waitlist-select-wrapper {
  position: relative;
}

.waitlist-select {
  cursor: pointer;
  padding-right: 44px;
}

.waitlist-select option {
  background-color: var(--color-surface-alt);
  color: var(--color-text-primary);
}

.waitlist-select-arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 11px;
  pointer-events: none;
  transition: color var(--dur-fast) var(--ease-out-soft),
              transform var(--dur-base) var(--ease-out-soft);
}

.waitlist-select-wrapper:focus-within .waitlist-select-arrow {
  color: var(--color-accent);
  transform: translateY(-50%) rotate(180deg);
}

/* Submit row */
.waitlist-submit-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.waitlist-submit-wrap {
  width: 100%;
}

.waitlist-submit-btn {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.waitlist-submit-btn.loading .waitlist-btn-text {
  opacity: 0;
}

.waitlist-submit-btn.loading .waitlist-btn-spinner {
  display: block;
}

/* Spinner */
.waitlist-btn-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(10, 10, 11, 0.3);
  border-top-color: var(--color-bg);
  border-radius: 50%;
  animation: spinnerRotate 0.6s linear infinite;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

@keyframes spinnerRotate {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Privacy note */
.waitlist-privacy {
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  max-width: none;
}

.waitlist-privacy::before {
  content: '\f023';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 10px;
  opacity: 0.6;
}

/* Success state */
.waitlist-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8);
  text-align: center;
  animation: successEnter 0.6s var(--ease-out-soft) both;
}

@keyframes successEnter {
  from { opacity: 0; transform: scale(0.95) translateY(16px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.waitlist-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-soft), rgba(255, 239, 71, 0.2));
  border: 1px solid rgba(255, 239, 71, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-accent);
  box-shadow: 0 0 32px rgba(255, 239, 71, 0.2);
}

.waitlist-success h3 {
  font-size: clamp(22px, 3.5vw, 30px);
  font-weight: 800;
  color: var(--color-text-primary);
  margin: 0;
}

.waitlist-success p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 44ch;
}

/* Server error banner */
.waitlist-server-error {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background-color: rgba(255, 80, 80, 0.08);
  border: 1px solid rgba(255, 80, 80, 0.2);
  border-radius: var(--radius-sm);
  color: rgba(255, 140, 140, 0.9);
  font-size: 14px;
  font-weight: 500;
  margin-top: var(--space-4);
  text-align: left;
}

.waitlist-server-error i {
  font-size: 16px;
  color: rgba(255, 100, 100, 0.9);
  flex-shrink: 0;
}

/* Hidden utility */
[hidden] {
  display: none !important;
}

/* Tablet: 2-col fields */
@media (min-width: 640px) {
  .waitlist-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  .waitlist-submit-wrap {
    width: auto;
  }

  .waitlist-submit-btn {
    width: auto;
    min-width: 240px;
  }

  .waitlist-submit-row {
    flex-direction: row;
    justify-content: center;
    align-items: center;
  }
}

/* ----- 21-bis. FOOTER ----- */
.footer {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-border);
  position: relative;
  z-index: 2;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: center;
  text-align: center;
}

.footer-brand-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.footer-baseline {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: color var(--dur-fast) var(--ease-out-soft);
}

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

.footer-mention {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ----- 21. RESPONSIVE — TABLET (≥640px) ----- */
@media (min-width: 640px) {
  .hero-ctas {
    flex-direction: row;
    gap: var(--space-4);
  }

  .btn-full {
    width: auto;
  }

  .benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .usecase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  .stats-grid {
    gap: var(--space-6);
  }

  .stat-card {
    padding: var(--space-8) var(--space-6);
  }

  .stat-breakdown {
    max-width: 260px;
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .footer-brand-block {
    align-items: flex-start;
  }

  .final-cta-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

/* ----- 22. RESPONSIVE — DESKTOP (≥1024px) ----- */
@media (min-width: 1024px) {
  body { font-size: 18px; }

  .section {
    padding-top: var(--space-32);
    padding-bottom: var(--space-32);
  }

  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }

  .section-header h2 {
    max-width: 22ch;
  }

  .section-intro {
    font-size: 18px;
  }

  .navbar-cta {
    display: inline-flex;
  }

  /* Hero: text left 60%, visual right 40% */
  .hero {
    padding-top: 120px;
  }

  .hero-content {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-16);
    align-items: center;
  }

  .hero-text-block {
    max-width: 620px;
  }

  .hero-visual {
    margin-top: 0;
    gap: var(--space-6);
  }

  .float-card-item {
    margin-left: auto;
    width: 100%;
    max-width: 360px;
  }

  .float-card-item:nth-child(2) {
    margin-left: var(--space-12);
    max-width: 340px;
  }

  .float-card-item:nth-child(3) {
    margin-left: var(--space-6);
    max-width: 320px;
  }

  /* Problem: 3 columns */
  .problem-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    align-items: start;
  }

  .problem-card:nth-child(2) {
    margin-top: var(--space-12);
  }

  .problem-card:nth-child(3) {
    margin-top: var(--space-6);
  }

  /* Solution: wider card */
  .solution-card {
    padding: var(--space-16) var(--space-16);
  }

  .solution-card h2 {
    max-width: 24ch;
  }

  .solution-points {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-4) var(--space-8);
  }

  .solution-point {
    flex: 0 1 auto;
  }

  /* Timeline horizontal */
  .timeline {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-top: var(--space-16);
  }

  .timeline-item {
    flex-direction: column;
    text-align: center;
    flex: 1;
    gap: var(--space-3);
    position: relative;
  }

  .timeline-item:not(:last-child)::after {
    left: 60%;
    right: -40%;
    top: 16px;
    bottom: auto;
    height: 2px;
    width: auto;
    background: linear-gradient(to right, var(--color-border), transparent);
  }

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

  /* Sticky cards: larger */
  .sticky-card {
    padding: var(--space-16) var(--space-16);
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
  }

  .sticky-card h3 {
    font-size: 28px;
  }

  /* Benefits: asymmetric grid */
  .benefits-grid {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-6);
  }

  .benefit-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-elevated), 0 0 32px rgba(255, 239, 71, 0.12);
    border-color: rgba(255, 239, 71, 0.2);
  }

  /* Use cases: 2x2 */
  .usecase-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .final-cta-card {
    padding: var(--space-24) var(--space-16);
  }

  .final-cta-card .section-intro {
    font-size: 18px;
    max-width: 60ch;
  }

  /* Border shimmer + glow on hover (desktop only) */
  .final-cta-card:hover::before {
    animation: borderShimmer 3s linear infinite;
  }

  .float-card-item:nth-child(2) {
    transform: rotate(-1deg);
  }

  .float-card-item:nth-child(3) {
    transform: rotate(1.5deg);
  }
}

/* ----- 23. RESPONSIVE — LARGE DESKTOP (≥1440px) ----- */
@media (min-width: 1440px) {
  .hero-content {
    gap: var(--space-24);
  }
}

/* ----- 24. REDUCED MOTION ----- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
    scroll-behavior: auto !important;
  }

  .mesh-blob,
  .grain-overlay,
  .cursor-glow {
    display: none;
  }

  .scroll-progress {
    display: none;
  }

  .marquee-track {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .split-word,
  .split-word-inner {
    transform: none !important;
    opacity: 1 !important;
  }

  .accent-line {
    transform: scaleX(1);
  }

  .badge-dot,
  .scroll-cue-line,
  .cta-glow {
    animation: none;
  }

  /* Sticky fallback: simple sequential */
  .sticky-card {
    position: relative;
    top: auto;
  }

  .sticky-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
  }

  .sticky-card {
    margin-bottom: 0;
  }
}

/* ----- 25. 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;
}

.text-center { text-align: center; }
.text-primary { color: var(--color-text-primary); }