/* glp1.us.com - Natural GLP-1 Optimization */
/* Color Palette: Natural greens, warm earth tones */

:root {
  --green-dark: #2d6a4f;
  --green-mid: #40916c;
  --green-light: #52b788;
  --green-pale: #d8f3dc;
  --earth-warm: #d4a373;
  --earth-light: #faedcd;
  --text-primary: #1b1b1b;
  --text-secondary: #4a4a4a;
  --text-light: #6b6b6b;
  --bg-white: #ffffff;
  --bg-off: #f8f9fa;
  --bg-green-tint: #f0faf4;
  --border-light: #e0e0e0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --max-width: 1140px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-primary);
  line-height: 1.7;
  background: var(--bg-white);
}

a {
  color: var(--green-dark);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--green-light);
}

img {
  max-width: 100%;
  height: auto;
}

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

/* --- Header / Nav --- */
.site-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green-dark);
}

.site-logo span {
  color: var(--green-light);
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-links a:hover {
  color: var(--green-dark);
}

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

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-mid) 50%, var(--green-light) 100%);
  color: #fff;
  padding: 80px 24px;
  text-align: center;
}

.hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto 32px;
  opacity: 0.92;
}

.hero .cta-btn {
  display: inline-block;
  background: var(--earth-warm);
  color: #fff;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
}

.hero .cta-btn:hover {
  background: #c49362;
  transform: translateY(-1px);
  color: #fff;
}

/* --- Section Defaults --- */
.section {
  padding: 72px 24px;
}

.section-alt {
  background: var(--bg-green-tint);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: var(--green-dark);
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto 48px;
}

/* --- Card Grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--green-dark);
}

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

/* --- Pillar (numbered sections) --- */
.pillar {
  display: flex;
  gap: 48px;
  align-items: flex-start;
  max-width: var(--max-width);
  margin: 0 auto 56px;
}

.pillar:last-child {
  margin-bottom: 0;
}

.pillar-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--green-dark);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
}

.pillar-content h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--green-dark);
}

.pillar-content p {
  color: var(--text-secondary);
  font-size: 0.97rem;
}

/* --- Product Highlight --- */
.product-highlight {
  background: linear-gradient(135deg, var(--earth-light) 0%, var(--green-pale) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.product-highlight h3 {
  font-size: 1.6rem;
  color: var(--green-dark);
  margin-bottom: 16px;
}

.product-highlight p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 24px;
}

.ingredient-list {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.ingredient-tag {
  background: var(--bg-white);
  border: 1px solid var(--green-light);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--green-dark);
}

.badge {
  display: inline-block;
  background: var(--green-dark);
  color: #fff;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
}

/* --- FAQ --- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-light);
  padding: 24px 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  cursor: pointer;
}

.faq-answer {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Disclaimer Banner --- */
.disclaimer-banner {
  background: var(--earth-light);
  border-left: 4px solid var(--earth-warm);
  padding: 20px 24px;
  margin: 48px auto;
  max-width: var(--max-width);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* --- Footer --- */
.site-footer {
  background: var(--green-dark);
  color: rgba(255,255,255,0.8);
  padding: 48px 24px 32px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

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

.footer-bottom {
  max-width: var(--max-width);
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.15);
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

.footer-bottom a {
  color: rgba(255,255,255,0.6);
}

/* --- Articles Page --- */
.article-list {
  max-width: var(--max-width);
  margin: 0 auto;
}

.article-card {
  display: block;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 16px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.article-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--green-light);
}

.article-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--green-dark);
}

.article-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero {
    padding: 56px 20px;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section {
    padding: 48px 20px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    padding: 16px 24px;
    gap: 16px;
    box-shadow: var(--shadow-md);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .pillar {
    flex-direction: column;
    gap: 16px;
  }

  .product-highlight {
    padding: 32px 20px;
  }

  .ingredient-list {
    gap: 10px;
  }

  .footer-inner {
    flex-direction: column;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.6rem;
  }

  .section-title {
    font-size: 1.35rem;
  }
}