/* ============================================================
   PUZZL — Landing Page Stylesheet
   ============================================================ */

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

:root {
  --teal-50:  #f0fdff;
  --teal-100: #ccf7fe;
  --teal-200: #99edfb;
  --teal-400: #22d3ee;
  --teal-500: #06b6d4;
  --teal-600: #0891b2;
  --teal-700: #0e7490;
  --teal-800: #155e75;
  --teal-900: #164e63;

  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;

  --orange-400: #fb923c;
  --orange-500: #f97316;

  --green-400: #4ade80;
  --green-500: #22c55e;

  --purple-400: #c084fc;
  --purple-500: #a855f7;

  --bg-dark:    #050d14;
  --bg-card:    #0c1a24;
  --bg-glass:   rgba(14, 30, 44, 0.7);
  --border:     rgba(255,255,255,0.08);
  --border-focus: rgba(14, 165, 233, 0.5);
  --text-primary:   #f1f9ff;
  --text-secondary: #94b8cc;
  --text-muted:     #5a7b8c;

  --font-display: 'Outfit', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 12px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-teal: 0 0 40px rgba(6, 182, 212, 0.2);
  --shadow-teal-sm: 0 0 20px rgba(6, 182, 212, 0.15);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── TYPOGRAPHY ── */
.gradient-text {
  background: linear-gradient(135deg, var(--teal-400) 0%, var(--blue-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-400);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 56px;
  line-height: 1.7;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: var(--transition);
}
.btn:hover::after { background: rgba(255,255,255,0.07); }

.btn-primary {
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--teal-500) 0%, var(--teal-700) 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(6, 182, 212, 0.5);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  padding: 14px 28px;
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.04);
  transform: translateY(-2px);
}

.btn-nav {
  padding: 9px 20px;
  font-size: 0.875rem;
  background: linear-gradient(135deg, var(--teal-500) 0%, var(--teal-700) 100%);
  color: #fff;
  box-shadow: 0 2px 12px rgba(6, 182, 212, 0.3);
}
.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.45);
}

.btn-full { width: 100%; justify-content: center; }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(5, 13, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-right: auto;
}
.nav-logo-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  overflow: hidden;
  flex-shrink: 0;
}
.nav-logo-icon svg { width: 100%; height: 100%; }
.nav-logo-icon--small { width: 60px; height: 60px; }
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  gap: 8px;
  list-style: none;
}
.nav-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--teal-600), transparent 70%);
  top: -200px; right: -100px;
  animation: floatOrb 8s ease-in-out infinite;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--blue-600), transparent 70%);
  bottom: -100px; left: -100px;
  animation: floatOrb 10s ease-in-out infinite reverse;
}
.hero-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #7c3aed, transparent 70%);
  top: 40%; left: 40%;
  opacity: 0.15;
  animation: floatOrb 12s ease-in-out infinite 2s;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(6,182,212,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6,182,212,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

@keyframes floatOrb {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font-display);
  color: var(--teal-400);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--teal-400);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
.badge-dot--white { background: #fff; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat { text-align: center; }
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--teal-400);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ── HERO SHOWCASE (3 PHONE LOCKUP) ── */
.hero-showcase {
  position: relative;
  width: 100%;
  height: 600px;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1200px;
}

.device-mockup {
  position: absolute;
  width: 250px;
  height: 500px;
  border-radius: 36px;
  background: #010409;
  padding: 8px; /* Bezel */
  box-shadow: 
    0 25px 50px -12px rgba(0,0,0,0.7),
    0 0 0 1px rgba(255,255,255,0.1),
    inset 0 0 0 1px rgba(255,255,255,0.15),
    inset 0 4px 6px rgba(255,255,255,0.08);
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s ease, z-index 0s;
  will-change: transform;
}

.device-mockup--left {
  transform: translateX(-55%) scale(0.85) rotateY(15deg);
  z-index: 1;
  opacity: 0.85;
}
.device-mockup--right {
  transform: translateX(55%) scale(0.85) rotateY(-15deg);
  z-index: 1;
  opacity: 0.85;
}
.device-mockup--center {
  transform: translateX(0) scale(1) rotateY(0);
  z-index: 5;
  opacity: 1;
  box-shadow: 
    0 40px 80px rgba(0,0,0,0.6), 
    0 0 0 1px rgba(6,182,212,0.4),
    inset 0 0 0 1px rgba(255,255,255,0.2);
}

.device-mockup:hover {
  z-index: 10;
  opacity: 1;
  box-shadow: 
    0 35px 60px -15px rgba(6, 182, 212, 0.4),
    0 0 0 1px rgba(6, 182, 212, 0.6),
    inset 0 0 0 1px rgba(255,255,255,0.2);
}

.device-mockup--left:hover { transform: translateX(-60%) scale(1.05) rotateY(5deg); }
.device-mockup--right:hover { transform: translateX(60%) scale(1.05) rotateY(-5deg); }
.device-mockup--center:hover { transform: translateY(-10px) scale(1.05) rotateY(0); }

/* The device notch */
.device-mockup::before {
  content: '';
  position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 24px;
  background: #010409;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  z-index: 20;
}

.device-screen {
  width: 100%;
  height: 100%;
  border-radius: 28px;
  overflow: hidden;
  background: var(--bg-card);
  position: relative;
  z-index: 10;
}
.device-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mock-screen {
  height: 100%;
  background: #fff;
  display: flex;
  flex-direction: column;
  font-size: 10px;
  overflow: hidden;
}
.mock-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 28px 10px 8px;
  font-weight: 600;
  font-size: 11px;
  color: white;
}
.mock-header.teal { background: #0d7f9f; }
.mock-back { font-size: 14px; opacity: 0.9; }
.mock-section-label {
  padding: 6px 10px 2px;
  font-size: 9px;
  font-weight: 700;
  color: #0d7f9f;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid #eef;
}
.mock-word-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-bottom: 1px solid #f0f4f6;
  color: #222;
}
.mock-emoji {
  font-size: 14px;
  width: 24px;
  height: 24px;
  background: #f0f8ff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.mock-word-row strong { font-size: 10px; display: block; color: #1a1a1a; }
.mock-word-row small { color: #888; font-size: 8px; }
.mock-add-btn {
  margin: 8px auto;
  background: #0d7f9f;
  color: white;
  font-size: 9px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 8px;
  width: fit-content;
}

/* HOME SCREEN */
.mock-home { background: #f7fbff; }
.mock-sentence-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: white;
  margin: 28px 8px 6px;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1.5px solid #0d7f9f;
  font-size: 9px;
  color: #1a3a4a;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(13,127,159,0.12);
}
.mock-sentence-text { flex: 1; }
.mock-tabs {
  display: flex;
  gap: 4px;
  padding: 4px 8px;
  overflow: hidden;
}
.mock-tab {
  font-size: 8px;
  font-weight: 600;
  padding: 3px 7px;
  border-radius: 6px;
  background: #e8f4f8;
  color: #555;
  white-space: nowrap;
}
.mock-tab.active {
  background: #0d7f9f;
  color: white;
}
.mock-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  padding: 4px 8px 8px;
}
.mock-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 6px 4px;
  border-radius: 8px;
  font-size: 9px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
}
.mock-card span { font-size: 14px; }
.mock-card small { font-size: 7px; font-weight: 600; }
.mock-card.green  { background: #dcfce7; color: #166534; }
.mock-card.red    { background: #fee2e2; color: #991b1b; }
.mock-card.orange { background: #ffedd5; color: #9a3412; }
.mock-card.blue   { background: #dbeafe; color: #1e3a8a; }
.mock-card.yellow { background: #fef9c3; color: #713f12; }
.mock-card.purple { background: #f3e8ff; color: #581c87; }
.mock-card.teal   { background: #cffafe; color: #164e63; }
.mock-card.pink   { background: #fce7f3; color: #831843; }
.mock-card.gray   { background: #f1f5f9; color: #334155; }

/* ── FEATURES GRID ── */
.section {
  padding: 100px 0;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: var(--transition);
  background: radial-gradient(circle at 50% 0%, rgba(6,182,212,0.08), transparent 70%);
}
.feature-card:hover {
  border-color: rgba(6, 182, 212, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-teal-sm);
}
.feature-card:hover::before { opacity: 1; }

.feature-card--large {
  grid-column: span 2;
}
.feature-card--accent {
  background: linear-gradient(135deg, var(--teal-700) 0%, var(--teal-900) 100%);
  border-color: rgba(6,182,212,0.3);
}
.feature-card--accent:hover {
  border-color: rgba(6,182,212,0.5);
  box-shadow: 0 20px 60px rgba(6, 182, 212, 0.25);
}

.feature-icon {
  width: 62px;
  height: 62px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-icon--green  { background: rgba(34, 197, 94, 0.12); color: var(--green-400); }
.feature-icon--blue   { background: rgba(59, 130, 246, 0.12); color: var(--blue-400); }
.feature-icon--orange { background: rgba(249, 115, 22, 0.12); color: var(--orange-400); }
.feature-icon--purple { background: rgba(168, 85, 247, 0.12); color: var(--purple-400); }
.feature-icon--white  { background: rgba(255,255,255,0.15); color: #fff; }

.feature-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.feature-desc {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.feature-desc strong { color: var(--teal-400); font-weight: 600; }
.feature-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  background: rgba(6,182,212,0.1);
  color: var(--teal-400);
  border-radius: var(--radius-full);
  border: 1px solid rgba(6,182,212,0.2);
}

/* ── HOW IT WORKS ── */
.how-it-works { background: rgba(255,255,255,0.012); }
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 700px;
  margin: 0 auto;
}
.step {
  position: relative;
  padding: 32px 0;
}
.step-content {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}
.step-content:hover {
  border-color: rgba(6, 182, 212, 0.2);
  box-shadow: var(--shadow-teal-sm);
}
.step-number {
  position: absolute;
  top: 16px;
  right: 24px;
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(6,182,212,0.06);
  line-height: 1;
  z-index: 0;
  user-select: none;
  pointer-events: none;
}
.step-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-icon--blue   { background: rgba(59, 130, 246, 0.12); color: var(--blue-400); }
.step-icon--teal   { background: rgba(6, 182, 212, 0.12); color: var(--teal-400); }
.step-icon--orange { background: rgba(249, 115, 22, 0.12); color: var(--orange-400); }

.step-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.step-desc {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.step-connector {
  width: 2px;
  height: 28px;
  background: linear-gradient(to bottom, var(--teal-700), transparent);
  margin: 0 0 0 51px;
}

/* ── WHO ── */
.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.who-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  text-align: center;
}
.who-card:hover {
  border-color: rgba(6, 182, 212, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-teal-sm);
}
.who-icon {
  font-size: 2.8rem;
  margin-bottom: 16px;
  display: block;
}
.who-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.who-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── BETA CTA ── */
.beta {
  position: relative;
  overflow: hidden;
}
.beta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.beta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}
.beta-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--teal-700), transparent 70%);
  top: -200px; right: -100px;
  opacity: 0.3;
}
.beta-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #1d4ed8, transparent 70%);
  bottom: -150px; left: -100px;
  opacity: 0.2;
}
.beta-card {
  position: relative;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: var(--radius-xl);
  padding: 60px;
  max-width: 780px;
  margin: 0 auto;
  box-shadow: 0 0 80px rgba(6, 182, 212, 0.08);
}
.beta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-display);
  color: var(--teal-400);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}
.beta-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.beta-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
}
.beta-perks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 36px;
}
.perk {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.perk-icon {
  width: 20px;
  height: 20px;
  background: rgba(6,182,212,0.15);
  color: var(--teal-400);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── FORM ── */
.beta-form { display: flex; flex-direction: column; gap: 18px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.optional {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.form-input {
  background: rgba(255,255,255,0.05);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus {
  border-color: var(--teal-500);
  background: rgba(6, 182, 212, 0.05);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235a7b8c' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
}
.form-textarea {
  resize: vertical;
  min-height: 100px;
}
.beta-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 14px;
}
.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: var(--radius-lg);
  text-align: center;
  animation: fadeIn 0.5s ease;
}
.success-icon { font-size: 2.5rem; }
.form-success strong { font-family: var(--font-display); font-size: 1.1rem; color: var(--green-400); }
.form-success p { font-size: 0.9rem; color: var(--text-secondary); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── FOOTER ── */
.footer {
  padding: 36px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ── SCROLL ANIMATIONS ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-subtitle { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-gallery {
    margin-top: 40px;
  }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-card--large { grid-column: span 2; }
  .who-grid { grid-template-columns: 1fr; gap: 16px; }
  .beta-card { padding: 36px 24px; }
  .beta-perks { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero-gallery {
    margin-top: 20px;
  }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card--large { grid-column: span 1; }
  .section { padding: 70px 0; }
  .hero { padding: 100px 0 60px; }
  .beta-card { padding: 28px 20px; }
}