/* ==========================================================================
   Built in Public — Design System
   Inspired by OnePercentClub.io visual architecture & CSS Scroll-Driven Animations
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Syne:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color Palette — Deep Midnight & Electric Luminescence */
  --bg-dark: #040812;
  --bg-card: rgba(13, 22, 39, 0.7);
  --bg-card-hover: rgba(20, 34, 60, 0.85);
  --bg-card-solid: #0d1627;
  --bg-card-light: #ffffff;
  --bg-card-light-subtle: #f8fafc;
  
  --primary: #00e5ff;
  --primary-glow: rgba(0, 229, 255, 0.35);
  --secondary: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-dark: #0f172a;
  --text-dark-muted: #475569;
  
  --border-glass: rgba(255, 255, 255, 0.09);
  --border-glass-bright: rgba(255, 255, 255, 0.18);
  --border-glass-glow: rgba(0, 229, 255, 0.3);
  --border-light: #e2e8f0;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Syne', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing & Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-glow: 0 0 35px -5px rgba(0, 229, 255, 0.25);
  --shadow-glow-lg: 0 0 60px -10px rgba(0, 229, 255, 0.35);
  --shadow-card: 0 16px 40px -12px rgba(0, 0, 0, 0.5);
  --shadow-stack: 0 -8px 32px -4px rgba(0, 0, 0, 0.45);
  --shadow-light-card: 0 10px 30px -5px rgba(0, 0, 0, 0.08), 0 0 1px 1px rgba(0, 0, 0, 0.04);
}

/* ==========================================================================
   CSS Scroll-Driven Animations & Keyframes
   ========================================================================== */

@keyframes float-slow {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes float-reverse {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(14px) rotate(-1.5deg); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

@keyframes laser-sweep {
  0% { transform: translateY(-100%); opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { transform: translateY(400%); opacity: 0; }
}

@keyframes radar-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes marquee {
  0% { transform: translateX(0%); }
  100% { transform: translateX(-50%); }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes card-rise {
  from { opacity: 0; transform: translateY(40px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Scroll-timeline definitions where supported */
@supports (animation-timeline: view()) {
  .scroll-reveal {
    animation: card-rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-timeline: view();
    animation-range: entry 10% cover 30%;
  }

  .scroll-progress-fill {
    animation: progress-fill 1s linear both;
    animation-timeline: view();
    animation-range: entry 0% exit 100%;
  }

  @keyframes progress-fill {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
  }
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  background-color: var(--bg-dark);
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  selection-background-color: var(--primary);
  selection-color: #000;
}

::selection {
  background: rgba(0, 229, 255, 0.3);
  color: #fff;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

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

input, select, textarea {
  font-family: inherit;
  color: inherit;
}

/* Typography styles */
.font-display {
  font-family: var(--font-display);
  letter-spacing: -0.025em;
}

.font-mono {
  font-family: var(--font-mono);
}

/* Atmospheric Glow Background */
.ambient-glow-wrap {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-glow-1 {
  position: absolute;
  top: -10vw;
  left: 15%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.12) 0%, rgba(59, 130, 246, 0.06) 45%, transparent 70%);
  filter: blur(80px);
  animation: pulse-glow 14s ease-in-out infinite alternate;
}

.ambient-glow-2 {
  position: absolute;
  top: 35vh;
  right: -10vw;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.11) 0%, rgba(37, 99, 235, 0.05) 50%, transparent 70%);
  filter: blur(90px);
  animation: pulse-glow 18s ease-in-out infinite alternate-reverse;
}

.ambient-glow-3 {
  position: absolute;
  bottom: 10vh;
  left: -10vw;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, rgba(16, 185, 129, 0.04) 50%, transparent 70%);
  filter: blur(90px);
}

.ambient-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 40%, transparent 80%);
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 64px);
  background: rgba(4, 8, 18, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: all 0.3s ease;
}

.site-nav.scrolled {
  background: rgba(4, 8, 18, 0.92);
  border-bottom-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

.nav-brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary);
  display: inline-block;
  animation: pulse-glow 3s infinite ease-in-out;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  box-shadow: 0 0 8px var(--primary-glow);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ==========================================================================
   Button Components
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14.5px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #00e5ff 0%, #0099ff 100%);
  color: #040812;
  font-weight: 700;
  box-shadow: 0 0 20px -3px rgba(0, 229, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px -2px rgba(0, 229, 255, 0.6);
  filter: brightness(1.08);
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid var(--border-glass-bright);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--text-muted);
  background: transparent;
}

.btn-ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.btn-glow-pulse {
  position: relative;
}

.btn-glow-pulse::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(90deg, #00e5ff, #3b82f6, #00e5ff);
  background-size: 200% 100%;
  z-index: -1;
  opacity: 0.5;
  filter: blur(8px);
  animation: marquee 4s linear infinite;
}

/* Pill Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.22);
  color: var(--primary);
  width: fit-content;
}

.badge-live-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
  animation: pulse-glow 2s infinite ease-in-out;
}

/* ==========================================================================
   Hero Section & Visual Metaphor
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 120px clamp(20px, 5vw, 64px) 80px;
  z-index: 1;
}

.hero-content {
  max-width: 1040px;
  width: 100%;
  text-align: center;
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 6.2vw, 76px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 24px 0 24px;
  color: #fff;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, #00e5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 740px;
  margin: 0 auto 36px;
  text-wrap: balance;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Scarcity Notice */
.hero-scarcity {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-glass-bright);
  font-size: 13.5px;
  color: var(--text-muted);
}

.hero-scarcity strong {
  color: #fff;
}

/* ==========================================================================
   The Split Visual Comparison Device (Eye-Capturing Visual)
   ========================================================================== */
.split-device-container {
  width: 100%;
  max-width: 1180px;
  margin: 20px auto 0;
  position: relative;
  border-radius: var(--radius-lg);
  background: rgba(8, 14, 26, 0.85);
  border: 1px solid var(--border-glass-bright);
  box-shadow: var(--shadow-card), 0 0 50px -15px rgba(0, 229, 255, 0.15);
  overflow: hidden;
}

.split-device-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(13, 22, 39, 0.95);
  border-bottom: 1px solid var(--border-glass);
}

.split-header-tabs {
  display: flex;
  gap: 10px;
}

.split-header-tab {
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  transition: all 0.2s ease;
}

.split-header-tab.active {
  color: #fff;
  background: rgba(0, 229, 255, 0.15);
  border: 1px solid rgba(0, 229, 255, 0.3);
}

.split-device-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  min-height: 480px;
}

@media (max-width: 860px) {
  .split-device-grid {
    grid-template-columns: 1fr;
  }
}

.split-column {
  padding: 36px clamp(20px, 4vw, 44px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.split-column-founder {
  background: linear-gradient(180deg, rgba(13, 22, 39, 0.4) 0%, rgba(10, 18, 32, 0.7) 100%);
  border-right: 1px dashed rgba(255, 255, 255, 0.12);
}

.split-column-company {
  background: linear-gradient(180deg, rgba(18, 28, 48, 0.4) 0%, rgba(13, 22, 39, 0.7) 100%);
}

.split-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: var(--radius-xs);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: fit-content;
}

.badge-founder {
  background: rgba(0, 229, 255, 0.1);
  color: var(--primary);
  border: 1px solid rgba(0, 229, 255, 0.25);
}

.badge-company {
  background: rgba(236, 72, 153, 0.1);
  color: var(--accent-pink);
  border: 1px solid rgba(236, 72, 153, 0.25);
}

.split-card-preview {
  background: rgba(18, 28, 48, 0.7);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.split-avatar-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.split-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.split-avatar-placeholder {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: linear-gradient(135deg, #1e293b, #334155);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #94a3b8;
}

.split-quote-box {
  background: rgba(4, 8, 18, 0.6);
  border-left: 3px solid var(--primary);
  padding: 14px 18px;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  font-size: 14.5px;
  line-height: 1.5;
  color: #e2e8f0;
}

.split-quote-box.company {
  border-left-color: var(--accent-pink);
}

.contradiction-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.1);
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(244, 63, 94, 0.25);
}

/* Center Laser Divider Scanner */
.laser-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(180deg, transparent 0%, var(--primary) 50%, transparent 100%);
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 5;
  box-shadow: 0 0 16px var(--primary);
}

.laser-scanner-beam {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.3) 0%, transparent 100%);
  animation: laser-sweep 4s ease-in-out infinite;
  pointer-events: none;
}

.split-device-footer {
  padding: 20px 24px;
  background: rgba(10, 18, 32, 0.98);
  border-top: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.split-result-claim {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14.5px;
}

.split-result-claim strong {
  color: #fff;
}

/* ==========================================================================
   Interactive "Is This You?" Diagnostic Checklist
   ========================================================================== */
.symptom-section {
  padding: 120px clamp(20px, 5vw, 64px);
  position: relative;
  z-index: 2;
}

.symptom-grid-wrap {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

@media (max-width: 960px) {
  .symptom-grid-wrap {
    grid-template-columns: 1fr;
  }
}

.symptom-sticky-col {
  position: sticky;
  top: 120px;
}

.symptom-meter-card {
  margin-top: 32px;
  background: rgba(13, 22, 39, 0.85);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.meter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.meter-bar-track {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  margin-bottom: 12px;
}

.meter-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #00e5ff, #f43f5e);
  border-radius: var(--radius-full);
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.symptom-card-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.symptom-item {
  background: rgba(13, 22, 39, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: start;
  cursor: pointer;
  transition: all 0.25s ease;
  user-select: none;
}

.symptom-item:hover {
  background: rgba(20, 34, 60, 0.8);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(4px);
}

.symptom-item.checked {
  background: rgba(15, 28, 52, 0.95);
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 24px -6px rgba(0, 229, 255, 0.2);
}

.symptom-checkbox {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 2px solid var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  transition: all 0.2s ease;
  background: rgba(0, 0, 0, 0.3);
}

.symptom-item.checked .symptom-checkbox {
  border-color: var(--primary);
  background: var(--primary);
  color: #040812;
}

.symptom-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.symptom-item h4 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
  line-height: 1.3;
}

.symptom-item p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   The Enemy (Visual Funnel Leak)
   ========================================================================== */
.enemy-section {
  padding: 100px clamp(20px, 5vw, 64px);
  position: relative;
  background: linear-gradient(180deg, transparent 0%, rgba(13, 22, 39, 0.4) 50%, transparent 100%);
}

.funnel-comparison-grid {
  max-width: 1100px;
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 768px) {
  .funnel-comparison-grid {
    grid-template-columns: 1fr;
  }
}

.funnel-box {
  background: rgba(13, 22, 39, 0.7);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border-glass-bright);
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

.funnel-box.flawed {
  border-color: rgba(244, 63, 94, 0.3);
}

.funnel-box.system {
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: 0 0 35px -10px rgba(0, 229, 255, 0.2);
}

.funnel-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(4, 8, 18, 0.6);
  border: 1px solid var(--border-glass);
}

/* ==========================================================================
   Signature 1% Club Stacking Cards Section ("How It Works")
   ========================================================================== */
.stacking-section {
  padding: 120px clamp(20px, 5vw, 64px) 160px;
  position: relative;
  z-index: 3;
}

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

.stack-header {
  text-align: center;
  margin-bottom: 64px;
}

/* Sticky Card Stacks */
.stack-cards-wrapper {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.stack-card {
  position: sticky;
  border-radius: var(--radius-lg);
  background: var(--bg-card-light);
  color: var(--text-dark);
  padding: clamp(28px, 4vw, 52px);
  box-shadow: var(--shadow-stack);
  border: 1px solid rgba(0, 0, 0, 0.08);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@media (max-width: 900px) {
  .stack-card {
    grid-template-columns: 1fr;
    position: relative;
    top: 0 !important;
  }
}

.stack-card:nth-child(1) { top: 120px; }
.stack-card:nth-child(2) { top: 140px; }
.stack-card:nth-child(3) { top: 160px; }
.stack-card:nth-child(4) { top: 180px; }

.stack-card-pill {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: #f1f5f9;
  color: #0284c7;
  width: fit-content;
  margin-bottom: 18px;
}

.stack-card h3 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  color: #0f172a;
  margin-bottom: 18px;
}

.stack-card p {
  font-size: 16.5px;
  line-height: 1.6;
  color: #475569;
  margin-bottom: 24px;
}

.stack-card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stack-card-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: #334155;
}

.stack-check-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #e0f2fe;
  color: #0284c7;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 12px;
  font-weight: bold;
}

/* Right Interactive Visual Inside Stack Card */
.stack-card-visual {
  background: #0f172a;
  border-radius: var(--radius-md);
  padding: 24px;
  color: #f8fafc;
  box-shadow: 0 12px 30px -8px rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.stack-visual-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stack-visual-dots {
  display: flex;
  gap: 6px;
}

.stack-visual-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.stack-visual-dots span:nth-child(1) { background: #f43f5e; }
.stack-visual-dots span:nth-child(2) { background: #f59e0b; }
.stack-visual-dots span:nth-child(3) { background: #10b981; }

/* Interactive Voice Guide Simulator */
.voice-toggle-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.voice-tab-btn {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.08);
  color: #94a3b8;
  transition: all 0.2s ease;
}

.voice-tab-btn.active {
  background: var(--primary);
  color: #040812;
}

/* ==========================================================================
   Proof & Kinetic Metric Counters
   ========================================================================== */
.proof-section {
  padding: 120px clamp(20px, 5vw, 64px);
  position: relative;
  z-index: 2;
}

.proof-grid {
  max-width: 1200px;
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.proof-card {
  background: rgba(13, 22, 39, 0.75);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.proof-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 20px 40px -10px rgba(0, 229, 255, 0.15);
}

.proof-card-glow {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.25) 0%, transparent 70%);
  filter: blur(20px);
}

.proof-stat {
  font-family: var(--font-display);
  font-size: clamp(38px, 4.5vw, 56px);
  font-weight: 800;
  line-height: 1;
  color: #fff;
  margin-bottom: 10px;
}

.proof-label {
  font-size: 16px;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 6px;
}

.proof-sub {
  font-size: 13.5px;
  color: var(--text-dim);
}

/* 3D Silver Play Button Plaque Card */
.silver-play-card {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(20, 32, 54, 0.8) 0%, rgba(13, 22, 39, 0.9) 100%);
  display: flex;
  align-items: center;
  gap: 28px;
}

@media (max-width: 768px) {
  .silver-play-card {
    grid-column: span 1;
    flex-direction: column;
    align-items: flex-start;
  }
}

.play-button-trophy {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #e2e8f0 0%, #94a3b8 50%, #cbd5e1 100%);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.25), inset 0 2px 4px rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0f172a;
  font-size: 32px;
  flex-shrink: 0;
}

/* ==========================================================================
   Stranger Test Interactive Diagnosis Terminal & Form
   ========================================================================== */
.stranger-section {
  padding: 120px clamp(20px, 5vw, 64px);
  position: relative;
  z-index: 2;
}

.stranger-grid {
  max-width: 1200px;
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

@media (max-width: 900px) {
  .stranger-grid {
    grid-template-columns: 1fr;
  }
}

.diagnosis-sample-card {
  background: rgba(13, 22, 39, 0.85);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.sample-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(0, 229, 255, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  margin-bottom: 20px;
}

.sample-finding-box {
  background: rgba(4, 8, 18, 0.6);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-glass);
  margin-bottom: 16px;
}

.sample-finding-box h5 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.sample-finding-box p {
  font-size: 15px;
  line-height: 1.5;
  color: #e2e8f0;
}

.fix-pill-box {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  color: #a7f3d0;
  font-size: 14.5px;
}

/* Glass Form */
.audit-form-card {
  background: rgba(13, 22, 39, 0.9);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 40px);
  box-shadow: var(--shadow-card), 0 0 50px -15px rgba(0, 229, 255, 0.15);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 8px;
}

.form-label span.req {
  color: var(--accent-rose);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(4, 8, 18, 0.7);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 15px;
  color: #fff;
  transition: all 0.2s ease;
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
  background: rgba(4, 8, 18, 0.9);
}

.form-input.error, .form-textarea.error {
  border-color: var(--accent-rose);
  box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.15);
}

.error-text {
  font-size: 12.5px;
  color: var(--accent-rose);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.note-box {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: #fde68a;
  margin-top: 8px;
  line-height: 1.45;
}

/* ==========================================================================
   Book a Call — Interactive Calendar & Structure
   ========================================================================== */
.booking-section {
  padding: 120px clamp(20px, 5vw, 64px);
  position: relative;
  z-index: 2;
}

.booking-grid {
  max-width: 1200px;
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

@media (max-width: 900px) {
  .booking-grid {
    grid-template-columns: 1fr;
  }
}

.call-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.call-timeline-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 16px;
  align-items: start;
  background: rgba(13, 22, 39, 0.65);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
}

.call-time-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(0, 229, 255, 0.1);
  padding: 6px 10px;
  border-radius: var(--radius-xs);
  text-align: center;
}

/* Calendar Card */
.calendar-card {
  background: rgba(13, 22, 39, 0.92);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 36px);
  box-shadow: var(--shadow-card);
}

.timezone-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-glass);
  flex-wrap: wrap;
  gap: 12px;
}

.timezone-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.timezone-chip {
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.timezone-chip.active {
  background: var(--primary);
  color: #040812;
}

.calendar-days-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.cal-day-btn {
  background: rgba(4, 8, 18, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 12px 8px;
  text-align: center;
  transition: all 0.2s ease;
}

.cal-day-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.cal-day-btn.active {
  background: rgba(0, 229, 255, 0.15);
  border-color: var(--primary);
  color: #fff;
}

.cal-slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.slot-btn {
  background: rgba(4, 8, 18, 0.8);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-xs);
  padding: 10px 14px;
  font-size: 13.5px;
  font-weight: 600;
  text-align: center;
  transition: all 0.2s ease;
}

.slot-btn:hover {
  background: rgba(0, 229, 255, 0.12);
  border-color: var(--primary);
  color: #fff;
}

.slot-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #040812;
}

/* ==========================================================================
   About Richa Khemka
   ========================================================================== */
.about-hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

@media (max-width: 860px) {
  .about-hero-grid {
    grid-template-columns: 1fr;
  }
}

.about-portrait-wrap {
  position: relative;
}

.about-portrait-img {
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  object-fit: cover;
  border: 1px solid var(--border-glass-bright);
  box-shadow: var(--shadow-card), 0 0 50px -10px rgba(0, 229, 255, 0.25);
  display: block;
}

.about-floating-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: rgba(13, 22, 39, 0.95);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.world-clocks-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin: 36px 0;
}

.world-clock-chip {
  background: rgba(13, 22, 39, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.world-clock-city {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.world-clock-time {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

/* "What I Will Not Do" Grid */
.refusal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 36px;
}

.refusal-card {
  background: rgba(13, 22, 39, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 24px;
  border-left: 3px solid var(--accent-rose);
}

.refusal-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.refusal-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 100px clamp(20px, 5vw, 64px);
  position: relative;
  z-index: 2;
}

.faq-list {
  max-width: 900px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: rgba(13, 22, 39, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
}

.faq-item:hover {
  border-color: var(--border-glass-bright);
}

.faq-question {
  width: 100%;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  text-align: left;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
  color: var(--primary);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 26px;
  font-size: 15.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 26px 22px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border-glass);
  background: #02050b;
  padding: 80px clamp(20px, 5vw, 64px) 40px;
}

.footer-top-banner {
  max-width: 1200px;
  margin: 0 auto 64px;
  background: linear-gradient(135deg, rgba(15, 26, 48, 0.8) 0%, rgba(8, 14, 26, 0.95) 100%);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-xl);
  padding: clamp(36px, 6vw, 64px);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.6), 0 0 60px -20px rgba(0, 229, 255, 0.2);
}

.footer-main-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-glass);
}

@media (max-width: 860px) {
  .footer-main-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 540px) {
  .footer-main-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 14.5px;
  color: var(--text-muted);
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom-bar {
  max-width: 1200px;
  margin: 32px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13.5px;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 16px;
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 18, 0.98);
  backdrop-filter: blur(24px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  padding: 96px 28px 40px;
  gap: 24px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.mobile-nav-drawer.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-link {
  font-size: 24px;
  font-family: var(--font-display);
  font-weight: 700;
  color: #fff;
}

/* Utility Animations */
.animate-drift {
  animation: float-slow 8s ease-in-out infinite;
}

.animate-drift-reverse {
  animation: float-reverse 10s ease-in-out infinite;
}