:root {
  --primary: #0F9B5C;
  --primary-hover: #0B7D49;
  --primary-tint: #E8F5EE;
  --primary-subtle: #F0F9F4;
  --text-main: #12261C;
  --text-muted: #556B60;
  --text-light: #8A9E94;
  --bg-page: #F8FCF9;
  --bg-card: #FFFFFF;
  --border: #DDEBE2;
  --border-light: #EBF3EE;
  --shadow-sm: 0 2px 8px rgba(15, 155, 92, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 155, 92, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 155, 92, 0.12);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Container */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 252, 249, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.15rem;
}

.logo-brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #FFFFFF !important;
  padding: 8px 18px;
  border-radius: 30px;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.15s ease !important;
}

.nav-cta:hover {
  background: var(--primary-hover) !important;
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding: 60px 0 80px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-tint);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 20px;
}

.hero h1 span {
  color: var(--primary);
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

/* Google Play Badge Button */
.play-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #111827;
  color: #FFFFFF;
  text-decoration: none;
  padding: 10px 22px;
  border-radius: 12px;
  font-size: 0.85rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.play-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.play-btn-text small {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.85;
}

.play-btn-text strong {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero-highlights {
  display: flex;
  gap: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.highlight-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* Hero Showcase / Phone Preview */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-mockup {
  position: relative;
  width: 100%;
  max-width: 320px;
  background: #FFFFFF;
  border-radius: 36px;
  border: 10px solid #1E293B;
  box-shadow: var(--shadow-lg), 0 30px 60px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.phone-notch {
  width: 120px;
  height: 18px;
  background: #1E293B;
  border-radius: 0 0 14px 14px;
  margin: 0 auto;
}

.phone-screen {
  padding: 16px;
  background: #F4FAF6;
}

.mockup-app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.mockup-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-main);
}

.mockup-calorie-card {
  background: #FFFFFF;
  border-radius: 18px;
  padding: 18px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 14px;
}

.mockup-ring-wrap {
  width: 110px;
  height: 110px;
  margin: 0 auto 10px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup-ring-svg {
  transform: rotate(-90deg);
}

.mockup-ring-text {
  position: absolute;
  text-align: center;
}

.mockup-ring-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.mockup-ring-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.mockup-macros {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

.mockup-macro-pill {
  background: var(--bg-page);
  padding: 6px;
  border-radius: 8px;
  font-size: 0.75rem;
}

.mockup-macro-pill b {
  display: block;
  font-size: 0.85rem;
  color: var(--text-main);
}

.mockup-meals-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mockup-meal-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.85rem;
}

.mockup-meal-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.mockup-meal-kcal {
  font-weight: 700;
  color: var(--primary);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 54px;
}

.section-tag {
  display: inline-block;
  background: var(--primary-tint);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Features Grid */
.features-section {
  padding: 80px 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-tint);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Privacy Callout Banner */
.privacy-banner {
  margin: 80px 0;
  background: linear-gradient(135deg, #0F9B5C 0%, #09683D 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 36px;
  box-shadow: var(--shadow-lg);
}

.privacy-banner h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.privacy-banner p {
  font-size: 1.05rem;
  opacity: 0.92;
  line-height: 1.6;
  max-width: 650px;
}

.privacy-banner .btn-white {
  background: #FFFFFF;
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 30px;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s ease, background 0.2s ease;
}

.privacy-banner .btn-white:hover {
  background: #F4FAF6;
  transform: translateY(-2px);
}

/* Screenshots Showcase Section */
.screenshots-section {
  padding: 80px 0;
}

.screenshot-showcase {
  text-align: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #FFFFFF;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 24px;
}

.screenshot-showcase img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}

/* Download CTA Section */
.download-section {
  padding: 80px 0 100px;
  text-align: center;
  background: var(--bg-card);
  border-top: 1px solid var(--border-light);
}

.download-box {
  max-width: 720px;
  margin: 0 auto;
}

.download-box h2 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.download-box p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  margin-top: auto;
  background: #0E1F16;
  color: #A3B8AD;
  padding: 60px 0 32px;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 12px;
  text-decoration: none;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.footer-desc {
  line-height: 1.6;
  font-size: 0.9rem;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: #A3B8AD;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* Legal Pages Styling (privacy.html, terms.html) */
.legal-page {
  padding: 50px 0 80px;
}

.legal-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
  max-width: 860px;
  margin: 0 auto;
}

.legal-header {
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
}

.legal-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-top: 10px;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.legal-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.legal-section {
  margin-bottom: 32px;
}

.legal-section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.legal-section p,
.legal-section li {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.legal-section ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-section li {
  margin-bottom: 8px;
}

.legal-section strong {
  color: var(--text-main);
}

.highlight-box {
  background: var(--primary-subtle);
  border: 1px solid var(--primary-tint);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 18px 0;
}

.highlight-box p {
  color: var(--text-main);
  margin-bottom: 0;
  font-size: 0.95rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 24px;
  transition: transform 0.15s ease;
}

.back-link:hover {
  transform: translateX(-3px);
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-highlights {
    justify-content: center;
    flex-wrap: wrap;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .privacy-banner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 32px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 600px) {
  .header-inner {
    flex-direction: column;
    gap: 12px;
  }

  .nav-links {
    gap: 16px;
    font-size: 0.9rem;
  }

  .legal-card {
    padding: 24px 18px;
  }

  .legal-title {
    font-size: 1.7rem;
  }
}