/* ═══════════════════════════════════════════
   CSS CUSTOM PROPERTIES — DARK THEME (default)
   ═══════════════════════════════════════════ */
:root {
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --accent-1: #7c5cff;
  --accent-2: #00d4aa;
  --accent-3: #ff6b9d;
  --accent-4: #ffd93d;
  --gradient-hero: linear-gradient(135deg, #7c5cff 0%, #00d4aa 50%, #ff6b9d 100%);
  --gradient-card: linear-gradient(135deg, rgba(124, 92, 255, 0.08), rgba(0, 212, 170, 0.04));
}

[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-nav: rgba(10, 10, 15, 0.82);
  --text-primary: #f0f0f5;
  --text-secondary: #8a8a9a;
  --text-muted: #5a5a6a;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(124, 92, 255, 0.3);
  --mesh-purple: rgba(124, 92, 255, 0.18);
  --mesh-green: rgba(0, 212, 170, 0.12);
  --mesh-pink: rgba(255, 107, 157, 0.08);
  --mesh-yellow: rgba(255, 217, 61, 0.05);
  --icon-purple-bg: rgba(124, 92, 255, 0.12);
  --icon-green-bg: rgba(0, 212, 170, 0.12);
  --icon-pink-bg: rgba(255, 107, 157, 0.12);
  --icon-yellow-bg: rgba(255, 217, 61, 0.12);
  --agent-step-bg: rgba(0, 212, 170, 0.04);
  --agent-step-border: rgba(0, 212, 170, 0.08);
  --agent-cmd-bg: rgba(255, 255, 255, 0.03);
  --browser-bg: linear-gradient(180deg, #0f0f1a 0%, #151522 100%);
  --browser-url-bg: rgba(255, 255, 255, 0.04);
  --browser-toolbar-bg: rgba(255, 255, 255, 0.02);
  --node-bg: rgba(255, 255, 255, 0.04);
  --task-bg: rgba(255, 255, 255, 0.05);
  --shield-gradient: linear-gradient(135deg, rgba(0, 212, 170, 0.08), rgba(124, 92, 255, 0.08));
  --shield-border: rgba(0, 212, 170, 0.15);
  --notify-bg: rgba(255, 217, 61, 0.08);
  --notify-border: rgba(255, 217, 61, 0.15);
  --input-bg: rgba(255, 255, 255, 0.04);
  --noise-opacity: 0.025;
  --strip-logo-opacity: 0.35;
  --shadow-browser: 0 20px 60px rgba(0,0,0,0.5), 0 0 120px rgba(124, 92, 255, 0.08);
  --badge-bg: rgba(124, 92, 255, 0.1);
  --badge-border: rgba(124, 92, 255, 0.2);
  color-scheme: dark;
}

[data-theme="light"] {
  --bg-primary: #f8f8fc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(0, 0, 0, 0.025);
  --bg-card-hover: rgba(0, 0, 0, 0.05);
  --bg-nav: rgba(248, 248, 252, 0.88);
  --text-primary: #111118;
  --text-secondary: #555566;
  --text-muted: #888899;
  --border-subtle: rgba(0, 0, 0, 0.07);
  --border-accent: rgba(124, 92, 255, 0.25);
  --mesh-purple: rgba(124, 92, 255, 0.1);
  --mesh-green: rgba(0, 212, 170, 0.08);
  --mesh-pink: rgba(255, 107, 157, 0.05);
  --mesh-yellow: rgba(255, 217, 61, 0.04);
  --icon-purple-bg: rgba(124, 92, 255, 0.1);
  --icon-green-bg: rgba(0, 212, 170, 0.1);
  --icon-pink-bg: rgba(255, 107, 157, 0.1);
  --icon-yellow-bg: rgba(255, 217, 61, 0.1);
  --agent-step-bg: rgba(0, 212, 170, 0.06);
  --agent-step-border: rgba(0, 212, 170, 0.12);
  --agent-cmd-bg: rgba(0, 0, 0, 0.03);
  --browser-bg: linear-gradient(180deg, #eeeef4 0%, #e4e4ee 100%);
  --browser-url-bg: rgba(0, 0, 0, 0.04);
  --browser-toolbar-bg: rgba(0, 0, 0, 0.02);
  --node-bg: rgba(0, 0, 0, 0.04);
  --task-bg: rgba(0, 0, 0, 0.04);
  --shield-gradient: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(124, 92, 255, 0.1));
  --shield-border: rgba(0, 212, 170, 0.2);
  --notify-bg: rgba(255, 217, 61, 0.1);
  --notify-border: rgba(255, 217, 61, 0.2);
  --input-bg: rgba(0, 0, 0, 0.03);
  --noise-opacity: 0.015;
  --strip-logo-opacity: 0.45;
  --shadow-browser: 0 20px 60px rgba(0,0,0,0.1), 0 0 80px rgba(124, 92, 255, 0.05);
  --badge-bg: rgba(124, 92, 255, 0.08);
  --badge-border: rgba(124, 92, 255, 0.15);
  color-scheme: light;
}

/* Smooth theme transition */
html {
  transition: background-color 0s;
}

body, .nav, .browser-window, .feature-card, .stat-card, .testimonial-card,
.platform-card, .agent-demo, .footer, .social-strip, .privacy-feature,
.agent-cmd, .agent-step, .browser-toolbar, .browser-url, .browser-content,
.countdown-number, .launch-email input, .hero-badge, .btn-secondary {
  transition: background 0.45s var(--ease-out-expo),
              color 0.45s var(--ease-out-expo),
              border-color 0.45s var(--ease-out-expo),
              box-shadow 0.45s var(--ease-out-expo);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
img { max-width: 100%; display: block; }

/* ═══════════════════════════════════════════
   BACKGROUND MESH GRADIENT (Stripe-inspired)
   ═══════════════════════════════════════════ */
.mesh-gradient {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

.mesh-gradient::before {
  content: '';
  position: absolute;
  top: -20%; left: -10%;
  width: 60%; height: 60%;
  background: radial-gradient(ellipse, var(--mesh-purple) 0%, transparent 70%);
  animation: meshFloat1 18s ease-in-out infinite;
}

.mesh-gradient::after {
  content: '';
  position: absolute;
  bottom: -20%; right: -10%;
  width: 50%; height: 50%;
  background: radial-gradient(ellipse, var(--mesh-green) 0%, transparent 70%);
  animation: meshFloat2 22s ease-in-out infinite;
}

@keyframes meshFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(8%, 12%) scale(1.1); }
  66% { transform: translate(-5%, 5%) scale(0.95); }
}

@keyframes meshFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-10%, -8%) scale(1.05); }
  66% { transform: translate(6%, -3%) scale(1.1); }
}

.mesh-orb {
  position: fixed;
  width: 400px; height: 400px;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

.mesh-orb-1 {
  top: 30%; left: 50%;
  background: var(--mesh-pink);
  animation: meshFloat1 25s ease-in-out infinite reverse;
}

.mesh-orb-2 {
  top: 60%; left: 20%;
  background: var(--mesh-yellow);
  animation: meshFloat2 20s ease-in-out infinite;
}

/* ═══════════════════════════════════════════
   NOISE OVERLAY
   ═══════════════════════════════════════════ */
.noise-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 1;
  pointer-events: none;
  opacity: var(--noise-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 128px 128px;
}

/* ═══════════════════════════════════════════
   CONTAINER & LAYOUT
   ═══════════════════════════════════════════ */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}

section { position: relative; z-index: 2; }

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 32px;
  transition: all 0.4s var(--ease-out-expo);
}

.nav.scrolled {
  background: var(--bg-nav);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}

.nav-logo-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 4px 16px rgba(124, 92, 255, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.25s;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent-1);
  transition: width 0.3s var(--ease-out-expo);
  border-radius: 2px;
}

.nav-links a:hover::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ═══════════════════════════════════════════
   THEME TOGGLE
   ═══════════════════════════════════════════ */
.theme-toggle {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: scale(1.05);
}

.theme-toggle:active {
  transform: scale(0.95);
}

.theme-icon {
  font-size: 18px;
  transition: transform 0.5s var(--ease-spring), opacity 0.3s;
  line-height: 1;
}

.theme-icon-sun, .theme-icon-moon {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

[data-theme="dark"] .theme-icon-sun {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .theme-icon-moon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

[data-theme="light"] .theme-icon-sun {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

[data-theme="light"] .theme-icon-moon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scale(0.5);
}

/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s var(--ease-out-expo);
  letter-spacing: -0.01em;
}

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

.btn-primary {
  background: var(--gradient-hero);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 92, 255, 0.25), inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124, 92, 255, 0.35), inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1rem;
  border-radius: 100px;
}

/* ═══════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 140px 32px 80px;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px 7px 8px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-1);
  margin-bottom: 32px;
  animation: fadeInUp 0.8s var(--ease-out-expo) both;
}

.hero-badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent-2);
  margin-bottom: 20px;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.05s both;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 8vw, 6.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 28px;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s both;
}

.hero-title .gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.65;
  margin-bottom: 44px;
  font-weight: 400;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s both;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 40px;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s both;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-meta-icon { width: 20px; height: 20px; opacity: 0.5; }

/* Browser Mockup */
.hero-browser {
  margin-top: 72px;
  width: 100%;
  max-width: 980px;
  animation: fadeInUp 1s var(--ease-out-expo) 0.5s both;
}

.browser-window {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  box-shadow: var(--shadow-browser);
  position: relative;
}

.browser-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--browser-toolbar-bg);
  border-bottom: 1px solid var(--border-subtle);
}

.browser-dots { display: flex; gap: 7px; }
.browser-dot { width: 12px; height: 12px; border-radius: 50%; }
.browser-dot:nth-child(1) { background: #ff5f57; }
.browser-dot:nth-child(2) { background: #febc2e; }
.browser-dot:nth-child(3) { background: #28c840; }

.browser-url {
  flex: 1;
  background: var(--browser-url-bg);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.browser-url-lock { color: var(--accent-2); }

.browser-content {
  height: 480px;
  background: var(--browser-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Agentic AI visualization inside browser */
.agent-viz {
  position: relative;
  width: 320px; height: 320px;
}

.agent-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  border-radius: 24px;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 60px rgba(124, 92, 255, 0.3);
  animation: coreGlow 4s ease-in-out infinite;
  z-index: 3;
}

.agent-core svg { width: 36px; height: 36px; color: #fff; }

@keyframes coreGlow {
  0%, 100% { box-shadow: 0 0 60px rgba(124, 92, 255, 0.3); }
  50% { box-shadow: 0 0 80px rgba(124, 92, 255, 0.5), 0 0 120px rgba(0, 212, 170, 0.15); }
}

.agent-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid;
}

.agent-ring-1 { width: 160px; height: 160px; border-color: rgba(124, 92, 255, 0.15); animation: ringRotate 20s linear infinite; }
.agent-ring-2 { width: 240px; height: 240px; border-color: rgba(0, 212, 170, 0.1); animation: ringRotate 30s linear infinite reverse; }
.agent-ring-3 { width: 310px; height: 310px; border-color: rgba(255, 107, 157, 0.07); animation: ringRotate 40s linear infinite; }

@keyframes ringRotate {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.agent-node {
  position: absolute;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--node-bg);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  backdrop-filter: blur(8px);
  animation: nodeFloat 6s ease-in-out infinite;
}

.agent-node:nth-child(1) { top: 5%; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.agent-node:nth-child(2) { top: 30%; right: 5%; animation-delay: 1s; }
.agent-node:nth-child(3) { bottom: 30%; right: 5%; animation-delay: 2s; }
.agent-node:nth-child(4) { bottom: 5%; left: 50%; transform: translateX(-50%); animation-delay: 3s; }
.agent-node:nth-child(5) { bottom: 30%; left: 5%; animation-delay: 4s; }
.agent-node:nth-child(6) { top: 30%; left: 5%; animation-delay: 5s; }

@keyframes nodeFloat {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(-6px); opacity: 1; }
}

.browser-tasks {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.browser-task {
  padding: 6px 14px;
  background: var(--task-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  white-space: nowrap;
  animation: taskSlide 3s ease-in-out infinite;
}

.browser-task:nth-child(2) { animation-delay: 0.3s; }
.browser-task:nth-child(3) { animation-delay: 0.6s; }

@keyframes taskSlide {
  0%, 100% { opacity: 0.5; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-3px); }
}

/* ═══════════════════════════════════════════
   SOCIAL PROOF STRIP
   ═══════════════════════════════════════════ */
.social-strip {
  padding: 48px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}

.social-strip-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.social-strip-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
  opacity: var(--strip-logo-opacity);
}

.social-strip-logos span {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════
   FEATURES SECTION
   ═══════════════════════════════════════════ */
.features { padding: 140px 0; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-1);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.65;
  margin-bottom: 64px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all 0.4s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-hero);
  opacity: 0;
  transition: opacity 0.4s;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

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

.feature-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 24px;
}

.feature-icon.purple { background: var(--icon-purple-bg); }
.feature-icon.green { background: var(--icon-green-bg); }
.feature-icon.pink { background: var(--icon-pink-bg); }
.feature-icon.yellow { background: var(--icon-yellow-bg); }

.feature-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.feature-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-tag {
  display: inline-block;
  margin-top: 16px;
  padding: 4px 12px;
  background: var(--icon-purple-bg);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-1);
  font-family: var(--font-mono);
}

.feature-card.large {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 48px;
}

.feature-card.large .feature-visual {
  background: var(--agent-cmd-bg);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--border-subtle);
}

/* ═══════════════════════════════════════════
   AI AGENT SECTION
   ═══════════════════════════════════════════ */
.agent-section {
  padding: 140px 0;
  position: relative;
}

.agent-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, transparent 0%, var(--mesh-purple) 50%, transparent 100%);
  opacity: 0.3;
  pointer-events: none;
}

.agent-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.agent-demo {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

.agent-demo-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.agent-demo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  animation: pulse 2s ease-in-out infinite;
}

.agent-demo-body { padding: 24px; }

.agent-cmd {
  margin-bottom: 16px;
  padding: 14px 18px;
  background: var(--agent-cmd-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.agent-cmd-label {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--accent-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.agent-cmd-text {
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.agent-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.agent-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--agent-step-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--agent-step-border);
  font-size: 0.82rem;
  color: var(--text-secondary);
  animation: stepReveal 0.6s var(--ease-out-expo) both;
}

.agent-step:nth-child(1) { animation-delay: 0.5s; }
.agent-step:nth-child(2) { animation-delay: 0.8s; }
.agent-step:nth-child(3) { animation-delay: 1.1s; }
.agent-step:nth-child(4) { animation-delay: 1.4s; }

@keyframes stepReveal {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

.agent-step-icon {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: rgba(0, 212, 170, 0.15);
  color: var(--accent-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   STATS
   ═══════════════════════════════════════════ */
.stats { padding: 100px 0; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all 0.4s var(--ease-out-expo);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 4px;
}

.stat-number.purple { color: var(--accent-1); }
.stat-number.green { color: var(--accent-2); }
.stat-number.pink { color: var(--accent-3); }
.stat-number.yellow { color: var(--accent-4); }
.stat-label { font-size: 0.88rem; color: var(--text-secondary); }

/* ═══════════════════════════════════════════
   PLATFORM SECTION
   ═══════════════════════════════════════════ */
.platforms { padding: 140px 0; }
.platforms-header { text-align: center; margin-bottom: 72px; }
.platforms-header .section-desc { margin: 0 auto; }

.platform-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all 0.4s var(--ease-out-expo);
}

.platform-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  border-color: var(--border-accent);
}

.platform-card.available .platform-status { color: var(--accent-2); }
.platform-card.coming-soon .platform-status { color: var(--accent-4); }

.platform-icon { font-size: 44px; margin-bottom: 20px; display: block; }

.platform-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.platform-status {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.platform-btn {
  width: 100%;
  padding: 12px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.88rem;
  text-align: center;
  transition: all 0.3s var(--ease-out-expo);
  display: block;
}

.platform-btn.download { background: var(--gradient-hero); color: #fff; }
.platform-btn.download:hover { box-shadow: 0 6px 24px rgba(124, 92, 255, 0.3); }
.platform-btn.notify { background: var(--notify-bg); color: var(--accent-4); border: 1px solid var(--notify-border); }
.platform-btn.notify:hover { background: rgba(255, 217, 61, 0.15); }

.mobile-platforms {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 600px;
  margin: 24px auto 0;
}

/* ═══════════════════════════════════════════
   PRIVACY SECTION
   ═══════════════════════════════════════════ */
.privacy { padding: 140px 0; }

.privacy-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.privacy-shield {
  width: 280px; height: 320px;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shield-bg {
  position: absolute;
  width: 200px; height: 230px;
  background: var(--shield-gradient);
  border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
  border: 1px solid var(--shield-border);
}

.shield-icon { font-size: 72px; z-index: 2; }

.shield-particles { position: absolute; width: 100%; height: 100%; }

.shield-particle {
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
  opacity: 0.4;
  animation: shieldFloat 4s ease-in-out infinite;
}

.shield-particle:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
.shield-particle:nth-child(2) { top: 25%; right: 15%; animation-delay: 1s; }
.shield-particle:nth-child(3) { bottom: 25%; left: 10%; animation-delay: 2s; }
.shield-particle:nth-child(4) { bottom: 15%; right: 25%; animation-delay: 3s; }

@keyframes shieldFloat {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(-10px); opacity: 0.8; }
}

.privacy-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}

.privacy-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--agent-step-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--agent-step-border);
  font-size: 0.92rem;
}

.privacy-feature-check { color: var(--accent-2); font-weight: 700; font-size: 1.1rem; }

/* ═══════════════════════════════════════════
   TESTIMONIALS
   ═══════════════════════════════════════════ */
.testimonials { padding: 140px 0; }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 64px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.4s var(--ease-out-expo);
}

.testimonial-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.testimonial-quote {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author { display: flex; align-items: center; gap: 12px; }

.testimonial-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.88rem;
  border: 1px solid var(--border-subtle);
}

.testimonial-info { display: flex; flex-direction: column; }
.testimonial-name { font-weight: 600; font-size: 0.88rem; }
.testimonial-handle { font-size: 0.78rem; color: var(--text-muted); font-family: var(--font-mono); }

/* ═══════════════════════════════════════════
   LAUNCH COUNTDOWN
   ═══════════════════════════════════════════ */
.launch {
  padding: 140px 0;
  text-align: center;
  position: relative;
}

.launch::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--mesh-purple) 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}

.launch-date {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.countdown-grid {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin: 40px 0;
}

.countdown-item { display: flex; flex-direction: column; align-items: center; gap: 8px; }

.countdown-number {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  width: 100px; height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.countdown-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.launch-email {
  display: flex;
  gap: 12px;
  max-width: 460px;
  margin: 40px auto 0;
}

.launch-email input {
  flex: 1;
  padding: 14px 20px;
  border-radius: 100px;
  border: 1px solid var(--border-subtle);
  background: var(--input-bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: all 0.3s;
}

.launch-email input:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.15);
}

.launch-email input::placeholder { color: var(--text-muted); }

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand { max-width: 280px; }

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.footer-brand-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

.footer-parent-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: all 0.3s var(--ease-out-expo);
  text-decoration: none;
}

.footer-parent-link:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.footer-parent-text { opacity: 0.7; }

.footer-parent-logo {
  width: 16px; height: 16px;
  border-radius: 3px;
  object-fit: contain;
}

.footer-parent-name {
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.3s;
}

.footer-parent-link:hover .footer-parent-name { color: var(--accent-1); }

.footer-col-title {
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

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

.footer-col ul a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color 0.25s;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

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

.footer-socials { display: flex; gap: 20px; }

.footer-socials a {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: color 0.25s;
}

.footer-socials a:hover { color: var(--accent-1); }

/* ═══════════════════════════════════════════
   ANIMATIONS & UTILITIES
   ═══════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.7s var(--ease-out-expo);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-divider {
  border: none;
  height: 1px;
  background: var(--border-subtle);
  margin: 0;
  position: relative;
  z-index: 2;
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card.large { grid-column: span 2; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .agent-showcase { grid-template-columns: 1fr; gap: 48px; }
  .privacy-content { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card.large { grid-column: span 1; grid-template-columns: 1fr; }
  .platform-cards { grid-template-columns: 1fr; max-width: 360px; }
  .mobile-platforms { grid-template-columns: 1fr; max-width: 360px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .countdown-grid { gap: 12px; }
  .countdown-number { width: 72px; height: 72px; font-size: 2.2rem; }
  .hero { padding: 120px 20px 60px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-meta { flex-direction: column; gap: 12px; }
  .browser-content { height: 320px; }
  .agent-viz { width: 240px; height: 240px; }
  .agent-core { width: 56px; height: 56px; border-radius: 16px; }
  .agent-ring-1 { width: 120px; height: 120px; }
  .agent-ring-2 { width: 180px; height: 180px; }
  .agent-ring-3 { width: 230px; height: 230px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .launch-email { flex-direction: column; }
}

.nav-mobile-toggle {
  display: none;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--bg-card);
}

@media (max-width: 768px) {
  .nav-mobile-toggle { display: flex; }
}

.nav-mobile-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text-primary);
  position: relative;
}

.nav-mobile-toggle span::before,
.nav-mobile-toggle span::after {
  content: '';
  position: absolute;
  width: 18px; height: 2px;
  background: var(--text-primary);
  left: 0;
}

.nav-mobile-toggle span::before { top: -6px; }
.nav-mobile-toggle span::after { top: 6px; }