/* CaloCam Official Website Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --primary: #10B981;
  --primary-light: #34D399;
  --primary-dark: #059669;
  --primary-glow: rgba(16, 185, 129, 0.25);
  
  --secondary: #06B6D4;
  --accent: #F59E0B;
  --accent-rose: #F43F5E;
  
  --bg-dark: #090D16;
  --bg-card: rgba(18, 26, 43, 0.75);
  --bg-card-hover: rgba(28, 40, 65, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(16, 185, 129, 0.3);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 35%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 85%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

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

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(9, 13, 22, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 4px 15px var(--primary-glow);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.brand-name span {
  color: var(--primary-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 26px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 160px 0 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--primary-light) 75%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.app-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: #111827;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 10px 22px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: white;
  transition: var(--transition);
}

.app-store-btn:hover {
  background: #1F2937;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.app-store-btn svg {
  width: 28px;
  height: 28px;
}

.app-store-btn .btn-text-small {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
}

.app-store-btn .btn-text-large {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-display);
  display: block;
}

.hero-stats {
  display: flex;
  gap: 36px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
}

.stat-item h4 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
}

.stat-item p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* App Mockup Visual */
.hero-mockup {
  position: relative;
  display: flex;
  justify-content: center;
}

.mockup-glow {
  position: absolute;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.35) 0%, rgba(6, 182, 212, 0.15) 50%, transparent 70%);
  filter: blur(40px);
  z-index: 0;
}

.phone-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 32px;
  padding: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
}

.scanner-view {
  background: #0B111E;
  border-radius: 20px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
}

.food-preview {
  position: relative;
  height: 200px;
  background: linear-gradient(180deg, #1E293B 0%, #0F172A 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  overflow: hidden;
}

.scan-laser {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
  box-shadow: 0 0 15px var(--primary-light);
  animation: scanning 2.5s ease-in-out infinite;
}

@keyframes scanning {
  0% { top: 5%; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { top: 90%; opacity: 0; }
}

.detected-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-light);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.macro-breakdown {
  margin-top: 18px;
}

.macro-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.macro-title h5 {
  font-size: 1.1rem;
  font-weight: 700;
}

.calorie-chip {
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary-light);
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
}

.macro-bars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.macro-pill {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  padding: 10px;
  border-radius: 12px;
  text-align: center;
}

.macro-pill span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.macro-pill strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-main);
  margin-top: 2px;
}

.pill-protein strong { color: #38BDF8; }
.pill-carbs strong { color: #FBBF24; }
.pill-fats strong { color: #F43F5E; }

/* Features Section */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  margin-bottom: 24px;
  font-size: 1.5rem;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* How It Works */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  position: relative;
}

.step-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #000;
  font-weight: 800;
  font-family: var(--font-display);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px var(--primary-glow);
}

.step-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 16px 0 10px;
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-main);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question svg {
  transition: transform 0.3s ease;
  color: var(--primary-light);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  padding: 0 28px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding-bottom: 24px;
}

/* AdMob / Verification Banner */
.verification-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 40px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.verification-info h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 6px;
}

.verification-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.code-badge {
  font-family: monospace;
  background: #0B111E;
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--primary-light);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Contact / Support Section */
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.contact-card h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 12px;
}

.contact-card p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

.contact-email-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--primary-light);
  border: 1px solid var(--border-glow);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
}

.contact-email-link:hover {
  background: var(--primary);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  background: #060910;
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-about p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h5 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* Legal Pages (Privacy Policy, Terms) */
.legal-page {
  padding: 140px 0 80px;
}

.legal-container {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.legal-container h1 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--primary-light);
  margin-bottom: 8px;
}

.legal-updated {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--text-main);
  margin: 36px 0 14px;
}

.legal-content p, .legal-content li {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.legal-content ul {
  padding-left: 24px;
  margin-bottom: 18px;
}

.legal-highlight-box {
  background: rgba(16, 185, 129, 0.08);
  border-left: 4px solid var(--primary);
  padding: 18px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-subtitle {
    margin: 0 auto 36px;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: #0B111E;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-subtle);
  }
  .nav-links.show {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .legal-container {
    padding: 24px;
  }
}