/* ===== CSS VARIABLES & THEMES ===== */
/* Matches app design: AppColors + ThemeProvider exact specs */
:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* === Colors from AppColors === */
  --primary: #6366F1;
  --primary-light: #8B5CF6;
  --primary-dark: #4F46E5;
  --success: #22C55E;
  --warning: #FBBF24;
  --error: #EF4444;

  /* === Light Theme === */
  --bg: #F5F5F7;
  --bg-deep: #EDEDF2;
  --surface: #F8F9FC;
  --card: #ffffff;
  --text: #1E1B4B;
  --text-secondary: #64748B;
  --text-tertiary: #94A3B8;
  --border: #E5E7EB;
  --overlay: rgba(0, 0, 0, 0.06);
  --overlay-hover: rgba(0, 0, 0, 0.1);

  /* === Glass Properties (from app blur specs) === */
  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(255, 255, 255, 0.7);
  --glass-shadow: rgba(99, 102, 241, 0.08);
  --glass-blur: 24px;

  /* === Gradients (Primary → PrimaryLight) === */
  --gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --gradient-wide: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #EC4899 100%);
  --gradient-bg: linear-gradient(135deg, rgba(99,102,241,0.08) 0%, rgba(139,92,246,0.06) 100%);
  --gradient-glow: linear-gradient(135deg, rgba(99,102,241,0.15) 0%, rgba(139,92,246,0.1) 100%);

  /* === Shadows (from app shadow specs) === */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 8px 32px rgba(99,102,241,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08), 0 0 48px rgba(99,102,241,0.08);
  --shadow-xl: 0 16px 40px rgba(0,0,0,0.1), 0 0 60px rgba(99,102,241,0.12);
  --shadow-glow: 0 0 40px rgba(99,102,241,0.25), 0 8px 32px -4px rgba(99,102,241,0.15);
  --shadow-glow-lg: 0 0 60px rgba(99,102,241,0.3), 0 12px 48px -8px rgba(99,102,241,0.2);

  /* === Layout (from app specs) === */
  --container: 1200px;
  --radius-sm: 10px;
  --radius: 14px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-2xl: 28px;
  --radius-pill: 100px;
  --nav-height: 72px;

  /* === Animations (from app specs) === */
  --ease: cubic-bezier(0.33, 0, 0.2, 1);
  --ease-out-cubic: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 120ms;
  --duration: 200ms;
  --duration-md: 300ms;
  --duration-lg: 500ms;
}

[data-theme="dark"] {
  --bg: #0A0A0F;
  --bg-deep: #060609;
  --surface: #12121A;
  --card: #1A1A24;
  --text: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-tertiary: #64748B;
  --border: #2D2D3A;
  --overlay: rgba(255, 255, 255, 0.08);
  --overlay-hover: rgba(255, 255, 255, 0.12);
  --glass-bg: rgba(18, 18, 26, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: rgba(99, 102, 241, 0.15);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.3), 0 8px 32px rgba(99,102,241,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4), 0 0 48px rgba(99,102,241,0.1);
  --shadow-xl: 0 16px 40px rgba(0,0,0,0.5), 0 0 60px rgba(99,102,241,0.15);
  --shadow-glow: 0 0 40px rgba(99,102,241,0.3), 0 8px 32px -4px rgba(99,102,241,0.2);
  --shadow-glow-lg: 0 0 80px rgba(99,102,241,0.35), 0 12px 48px -8px rgba(99,102,241,0.25);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--duration-md) var(--ease), color var(--duration-md) var(--ease);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== GLASSMORPHISM UTILITY ===== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

.glass-subtle {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}

/* Scale on press — matches app ScaleOnPress widget (0.95 scale) */
.btn:active { transform: scale(0.95); }

.btn-sm { padding: 8px 20px; font-size: 14px; border-radius: var(--radius); }
.btn-md { padding: 12px 28px; font-size: 15px; border-radius: var(--radius-md); }
.btn-lg { padding: 16px 36px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 24px -4px rgba(99,102,241,0.4);
  border-radius: var(--radius-md);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -4px rgba(99,102,241,0.5);
}
.btn-primary:active { transform: scale(0.95) translateY(0); }

/* Glass button */
.btn-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  color: var(--text);
  border-radius: var(--radius-md);
}
.btn-glass:hover {
  background: var(--overlay-hover);
  border-color: rgba(99,102,241,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(99,102,241,0.06);
}

.btn-ghost {
  background: rgba(99,102,241,0.08);
  color: var(--primary);
  border-radius: var(--radius-md);
}
.btn-ghost:hover { background: rgba(99,102,241,0.14); }

/* ===== NAVBAR — Floating Glassmorphism (matches main_shell.dart) ===== */
.navbar {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 32px);
  max-width: 900px;
  height: 56px;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow:
    0 8px 32px -4px var(--glass-shadow),
    0 0 1px rgba(255,255,255,0.1) inset;
  transition: all var(--duration-md) var(--ease);
}

.navbar.scrolled {
  box-shadow:
    0 8px 32px -4px var(--glass-shadow),
    0 12px 24px rgba(0,0,0,0.08);
  background: var(--glass-bg);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 8px 0 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  transition: transform var(--duration-fast) var(--ease);
}
.nav-logo:active { transform: scale(0.95); }

.nav-logo-img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

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

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
}

.nav-links a:hover {
  color: var(--primary);
  background: rgba(99,102,241,0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* === Language Selector === */
.lang-selector { position: relative; }

.lang-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  background: var(--overlay);
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--duration);
}
.lang-btn:hover { border-color: rgba(99,102,241,0.3); color: var(--text); }

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.95);
  transition: all var(--duration-md) var(--ease-out-cubic);
  min-width: 160px;
  z-index: 100;
}

.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 16px;
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  transition: background var(--duration);
}
.lang-option:hover { background: rgba(99,102,241,0.08); color: var(--primary); }

/* === Theme Toggle (matches theme_toggle.dart — rotation + fade) === */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--overlay);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--duration-md);
}
.theme-toggle:hover { border-color: rgba(99,102,241,0.3); color: var(--primary); }
.theme-toggle:active { transform: scale(0.88); }

.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* === Nav CTA === */
.nav-cta {
  padding: 8px 18px !important;
  font-size: 13px !important;
  border-radius: var(--radius) !important;
}

/* === Hamburger === */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--duration-md);
}

/* ===== ANIMATED BACKGROUND ORBS (matches onboarding floating orbs) ===== */
.bg-orbs {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orb-float 8s ease-in-out infinite alternate;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: rgba(99, 102, 241, 0.15);
  top: -10%;
  right: -10%;
  animation-duration: 8s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: rgba(139, 92, 246, 0.12);
  bottom: -10%;
  left: -5%;
  animation-duration: 10s;
  animation-delay: -2s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: rgba(236, 72, 153, 0.08);
  top: 40%;
  left: 30%;
  animation-duration: 12s;
  animation-delay: -4s;
}

[data-theme="dark"] .orb-1 { background: rgba(99, 102, 241, 0.2); }
[data-theme="dark"] .orb-2 { background: rgba(139, 92, 246, 0.15); }
[data-theme="dark"] .orb-3 { background: rgba(236, 72, 153, 0.1); }

@keyframes orb-float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -15px) scale(1.05); }
  100% { transform: translate(-10px, 10px) scale(0.95); }
}

/* Floating particles */
.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  animation: particle-drift linear infinite;
  opacity: 0.4;
}

@keyframes particle-drift {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 0.4; }
  90% { opacity: 0.4; }
  100% { transform: translateY(-100vh) translateX(40px); opacity: 0; }
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 40px);
  overflow: hidden;
}

.hero-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
}

.hero-content { max-width: 560px; }

/* Badge — glass pill */
.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: rgba(99,102,241,0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(99,102,241,0.15);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

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

.hero-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 460px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* Stats — glass cards */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 20px;
}

.stat {
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  transition: transform var(--duration) var(--ease);
}
.stat:hover { transform: translateY(-2px); }

.stat-number {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
}

.stat-suffix {
  font-size: 24px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 11px;
  color: var(--text-tertiary);
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* === Phone Mockup (matches app desktop constraints: 40px radius) === */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup { position: relative; }

.phone-frame {
  width: 280px;
  height: 580px;
  background: var(--card);
  border-radius: 40px;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  position: relative;
  transition: transform var(--duration-lg) var(--ease-out-cubic);
}
.phone-frame:hover { transform: translateY(-8px); }

.phone-screen {
  padding: 0;
  height: 100%;
  overflow: hidden;
}

.phone-demo-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  border-radius: 38px;
}

/* Glow behind phone */
.phone-glow {
  position: absolute;
  inset: -30%;
  background: radial-gradient(circle, rgba(99,102,241,0.2) 0%, rgba(139,92,246,0.1) 40%, transparent 70%);
  z-index: -1;
  filter: blur(40px);
  animation: phone-glow-pulse 4s ease-in-out infinite alternate;
}

@keyframes phone-glow-pulse {
  0% { opacity: 0.6; transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1.05); }
}

/* Mockup UI */
.mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.mockup-avatar {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--gradient);
}

.mockup-title-bar {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mockup-app-name {
  font-weight: 700;
  font-size: 14px;
}

.mockup-credits {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(99,102,241,0.1);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

.mockup-upload-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}

.mockup-upload-box {
  background: var(--overlay);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  padding: 16px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-tertiary);
  transition: all var(--duration);
}

.mockup-prompt {
  background: var(--overlay);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 10px;
  margin-bottom: 10px;
}

.mockup-prompt-text {
  font-size: 10px;
  color: var(--text-tertiary);
  line-height: 1.4;
}

.mockup-generate-btn {
  background: var(--gradient);
  color: #fff;
  text-align: center;
  padding: 10px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}

@keyframes pulse-glow {
  0%, 100% { border-color: var(--border); box-shadow: none; }
  50% { border-color: var(--primary-light); box-shadow: 0 0 20px rgba(99,102,241,0.15); }
}
.pulse-glow { animation: pulse-glow 2.5s ease-in-out infinite; }

/* === Floating Glass Cards (matches app floating onboarding chips) === */
.floating-card {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-md);
  font-size: 12px;
  font-weight: 600;
  transition: transform var(--duration) var(--ease);
  /* Matches onboarding floating icon: 4s sine wave, 6px bob */
  animation: float-bob 4s ease-in-out infinite;
}
.floating-card:hover { transform: scale(1.05); }

.floating-card-icon { font-size: 16px; }

.card-1 { top: 15%; right: -8%; animation-delay: 0s; }
.card-2 { bottom: 30%; left: -12%; animation-delay: -1.3s; }
.card-3 { bottom: 10%; right: -5%; animation-delay: -2.6s; }

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

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-mouse {
  width: 22px;
  height: 36px;
  border: 2px solid var(--text-tertiary);
  border-radius: 11px;
  position: relative;
  opacity: 0.4;
}

.scroll-dot {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 6px;
  background: var(--primary);
  border-radius: 3px;
  animation: scroll-bounce 1.5s ease-out infinite;
}

@keyframes scroll-bounce {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(14px); }
}

/* ===== PAIN SECTION ===== */
.pain-section {
  padding: 100px 0;
  position: relative;
}

.pain-grid {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

/* Glass card style */
.pain-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  max-width: 380px;
  flex: 1;
  min-width: 280px;
  box-shadow: var(--shadow-md);
  transition: all var(--duration-md) var(--ease-out-cubic);
}
.pain-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.pain-card.highlight-card {
  border-color: rgba(99,102,241,0.4);
  box-shadow: var(--shadow-glow);
  background: linear-gradient(135deg, rgba(99,102,241,0.06) 0%, rgba(139,92,246,0.04) 100%),
              var(--glass-bg);
}
.pain-card.highlight-card:hover { box-shadow: var(--shadow-glow-lg); }

.pain-icon { font-size: 44px; margin-bottom: 16px; }

.pain-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 16px; }

.pain-card li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  color: var(--text-secondary);
  font-size: 14px;
}

.pain-old li::before { content: '✗'; position: absolute; left: 0; color: var(--error); font-weight: 700; }
.pain-new li::before { content: '✓'; position: absolute; left: 0; color: var(--success); font-weight: 700; }

.pain-price {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.pain-price-amount { font-size: 36px; font-weight: 900; display: block; }

.pain-price-new {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pain-price-label { font-size: 13px; color: var(--text-tertiary); }

.pain-savings {
  margin-top: 16px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--success);
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
}

.pain-vs {
  font-size: 22px;
  font-weight: 900;
  color: var(--text-tertiary);
  flex-shrink: 0;
  align-self: center;
  background: var(--overlay);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; margin-bottom: 60px; }

.section-badge {
  display: inline-flex;
  padding: 8px 18px;
  background: rgba(99,102,241,0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(99,102,241,0.15);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
}

/* ===== FEATURES ===== */
.features-section {
  padding: 100px 0;
  position: relative;
}

.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.feature-block.reverse { direction: rtl; }
.feature-block.reverse > * { direction: ltr; }

.feature-number {
  font-size: 56px;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 10px;
  opacity: 0.3;
}

.feature-title { font-size: 30px; font-weight: 800; margin-bottom: 14px; letter-spacing: -0.02em; }

.feature-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

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

/* Chips — glass morphism (matches onboarding chips: blur 8, overlay 0.07) */
.chip {
  padding: 8px 14px;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--duration);
}
.chip:hover { border-color: rgba(99,102,241,0.3); color: var(--primary); }

.coming-soon-chip {
  background: rgba(99,102,241,0.08);
  border-color: rgba(99,102,241,0.2);
  color: var(--primary);
}

/* Feature Demo — Floating Glass Card */
.feature-demo {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-md);
  transition: all var(--duration-md) var(--ease-out-cubic);
}
.feature-demo:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.demo-generate {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.demo-before, .demo-after { text-align: center; }

.demo-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}

.demo-img-placeholder {
  width: 120px;
  height: 150px;
  background: var(--overlay);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: all var(--duration-md);
}

.demo-img-placeholder.glow {
  border-style: solid;
  border-color: rgba(99,102,241,0.4);
  box-shadow: 0 0 30px rgba(99,102,241,0.15);
  background: rgba(99,102,241,0.05);
}

.demo-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--primary);
}

.demo-arrow-label { font-size: 11px; font-weight: 700; }

/* KOL Demo */
.kol-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }

.kol-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  text-align: center;
  position: relative;
  transition: all var(--duration) var(--ease);
  cursor: pointer;
}
.kol-card:hover { transform: translateY(-4px) scale(1.02); box-shadow: var(--shadow-md); }
.kol-card:active { transform: scale(0.95); }

.kol-avatar {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 6px;
  font-size: 22px;
}

.kol-add .kol-avatar {
  border: 1.5px dashed var(--border);
  background: transparent;
  font-size: 18px;
  color: var(--text-tertiary);
}

.kol-name { font-size: 12px; font-weight: 600; }

.kol-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

.badge-ai { background: rgba(99,102,241,0.12); color: var(--primary); }
.badge-imported { background: rgba(34,197,94,0.1); color: var(--success); }

/* Agent Demo */
.agent-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}

.agent-node {
  text-align: center;
  padding: 12px;
  border-radius: var(--radius);
  transition: all var(--duration);
}
.agent-node:hover { background: var(--overlay); }

.agent-icon { font-size: 28px; margin-bottom: 4px; }
.agent-label { font-size: 11px; font-weight: 600; color: var(--text-secondary); }

.agent-center {
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.15);
}

.agent-connector {
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--primary-light), var(--border));
  position: relative;
}

.agent-messages {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.agent-msg {
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 12px;
  max-width: 85%;
  line-height: 1.4;
}

.msg-in {
  background: var(--overlay);
  color: var(--text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.msg-out {
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.15);
  color: var(--text);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  display: flex;
  align-items: start;
  gap: 6px;
}

.ai-badge {
  background: var(--gradient);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Facebook badge */
.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(24,119,242,0.1);
  border: 1px solid rgba(24,119,242,0.2);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: #1877F2;
  margin-top: 12px;
}

.platform-badge.coming-soon {
  opacity: 0.8;
}

/* ===== HOW IT WORKS ===== */
.how-section {
  padding: 100px 0;
  position: relative;
}

.steps-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

/* Glass step cards */
.step-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 40px 28px;
  text-align: center;
  max-width: 300px;
  flex: 1;
  position: relative;
  transition: all var(--duration-md) var(--ease-out-cubic);
  box-shadow: var(--shadow-sm);
}
.step-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-glow); }
.step-card:active { transform: scale(0.97); }

.step-number {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  background: var(--gradient);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 13px;
  box-shadow: 0 4px 12px rgba(99,102,241,0.4);
}

.step-icon { font-size: 44px; margin-bottom: 14px; }

.step-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }

.step-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }

.step-arrow {
  font-size: 20px;
  color: var(--primary-light);
  flex-shrink: 0;
  opacity: 0.5;
}

/* ===== PRICING ===== */
.pricing-section {
  padding: 100px 0;
  position: relative;
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.pricing-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: color var(--duration);
}
.pricing-label.active { color: var(--primary); }

.pricing-divider { color: var(--border); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1000px;
  margin: 0 auto;
}

/* Glass pricing cards */
.price-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 28px 20px;
  text-align: center;
  position: relative;
  transition: all var(--duration-md) var(--ease-out-cubic);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.price-card:active { transform: scale(0.97); }

.price-card.popular {
  border-color: rgba(99,102,241,0.4);
  box-shadow: var(--shadow-glow);
  background: linear-gradient(135deg, rgba(99,102,241,0.06) 0%, rgba(139,92,246,0.04) 100%),
              var(--glass-bg);
  transform: scale(1.04);
}
.price-card.popular:hover { transform: scale(1.04) translateY(-6px); box-shadow: var(--shadow-glow-lg); }

.price-popular-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(99,102,241,0.4);
  letter-spacing: 0.5px;
}

.price-header { margin-bottom: 14px; }
.price-name { font-size: 18px; font-weight: 700; margin-bottom: 6px; }

.price-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.price-currency { font-size: 18px; font-weight: 600; color: var(--text-secondary); }
.price-value { font-size: 40px; font-weight: 900; line-height: 1; }
.price-period { font-size: 14px; color: var(--text-tertiary); font-weight: 500; }

.price-credits {
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.price-credits-num {
  font-size: 22px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-right: 4px;
}

.price-features { text-align: left; margin-bottom: 20px; flex: 1; }

.price-features li {
  padding: 5px 0;
  font-size: 13px;
  color: var(--text-secondary);
  padding-left: 22px;
  position: relative;
}

.price-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
  font-size: 12px;
}

.pricing-note {
  text-align: center;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 32px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== TESTIMONIALS ===== */
.testimonials-section {
  padding: 100px 0;
  position: relative;
}

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

/* Glass testimonial cards */
.testimonial-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  transition: all var(--duration-md) var(--ease-out-cubic);
  box-shadow: var(--shadow-sm);
}
.testimonial-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.testimonial-stars {
  color: #FBBF24;
  font-size: 16px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.testimonial-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--gradient-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.testimonial-name { font-weight: 700; font-size: 13px; }
.testimonial-role { font-size: 12px; color: var(--text-tertiary); }

/* ===== DOWNLOAD CTA ===== */
.download-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.download-glass {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: 60px 40px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: var(--shadow-glow);
  overflow: hidden;
}

.download-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.08) 0%, rgba(139,92,246,0.04) 50%, rgba(236,72,153,0.04) 100%);
  z-index: 0;
}

.download-glass > * { position: relative; z-index: 1; }

/* Orbs inside download card */
.download-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  z-index: 0;
}

.download-orb-1 {
  width: 300px;
  height: 300px;
  background: rgba(99,102,241,0.2);
  top: -30%;
  right: -10%;
  animation: orb-float 6s ease-in-out infinite alternate;
}

.download-orb-2 {
  width: 200px;
  height: 200px;
  background: rgba(236,72,153,0.15);
  bottom: -20%;
  left: -5%;
  animation: orb-float 8s ease-in-out infinite alternate-reverse;
}

.download-title {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.download-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text);
  color: var(--bg);
  padding: 12px 22px;
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease);
}
.store-badge:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.store-badge:active { transform: scale(0.95); }

[data-theme="dark"] .store-badge { background: #fff; color: #0A0A0F; }

.store-badge-small {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.7;
}

.store-badge-big { font-size: 17px; font-weight: 700; }

.download-free-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.15);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px 0 20px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  margin-bottom: 10px;
}

.footer-logo-img { width: 28px; height: 28px; border-radius: 8px; }

.footer-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 260px;
}

.footer-links h4 {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-tertiary);
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 3px 0;
  transition: color var(--duration);
}
.footer-links a:hover { color: var(--primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-tertiary);
}

.footer-lang { display: flex; gap: 4px; }

.footer-lang-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text-tertiary);
  font-family: var(--font);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--duration);
}
.footer-lang-btn:hover, .footer-lang-btn.active {
  color: var(--primary);
  border-color: rgba(99,102,241,0.2);
  background: rgba(99,102,241,0.06);
}

/* ===== MOBILE STICKY CTA ===== */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 16px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--glass-border);
  z-index: 999;
}

/* ===== SCROLL ANIMATIONS ===== */
/* Matches app staggered entrance: 800ms, easeOutCubic, 24px translateY */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out-cubic), transform 0.8s var(--ease-out-cubic);
}

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

/* Staggered delay classes */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.45s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content { max-width: 600px; margin: 0 auto; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }

  .feature-block,
  .feature-block.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 28px;
  }

  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .price-card.popular { transform: none; }
  .price-card.popular:hover { transform: translateY(-6px); }

  .testimonial-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  .navbar {
    top: 8px;
    width: calc(100% - 20px);
    height: 52px;
    border-radius: var(--radius-xl);
  }

  .nav-links { display: none; }
  .nav-cta { display: none !important; }
  .hamburger { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 12px;
    gap: 4px;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open a {
    padding: 10px 16px;
    border-radius: var(--radius);
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + 20px);
    padding-bottom: 40px;
  }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 15px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-stats { flex-wrap: wrap; gap: 10px; }

  .pain-grid { flex-direction: column; }
  .pain-vs { transform: rotate(90deg); }

  .steps-grid { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }

  .pricing-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }

  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-lang { flex-wrap: wrap; justify-content: center; }

  .mobile-cta { display: block; }
  .download-section { padding-bottom: 100px; }
  .download-glass { padding: 40px 24px; border-radius: var(--radius-xl); }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 28px; }
  .section-title { font-size: 24px; }
  .pain-card { padding: 24px 20px; }
  .feature-demo { padding: 20px; }
  .demo-generate { flex-direction: column; gap: 12px; }
  .demo-arrow { transform: rotate(90deg); }
  .stat { padding: 10px 12px; }
}