/* ==========================================================================
   Human Nutrients — Design System
   Premium ecommerce stylesheet
   ========================================================================== */

/* ==========================================================================
   1. CSS Custom Properties
   ========================================================================== */

:root {
  /* Colors */
  --color-primary: #1B4332;
  --color-primary-light: #2D6A4F;
  --color-primary-dark: #0F2B1F;
  --color-accent: #E8611A;
  --color-accent-light: #F07B3A;
  --color-accent-dark: #C84F12;
  --color-bg: #FAFAF5;
  --color-bg-alt: #F0EDE4;
  --color-bg-dark: #1A1A1A;
  --color-text: #1A1A1A;
  --color-secondary-text: #6B7280;
  --color-white: #ffffff;
  --color-success: #059669;
  --color-error: #DC2626;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0F2B1F 0%, #1B4332 40%, #2D6A4F 100%);
  --gradient-accent: linear-gradient(135deg, #E8611A 0%, #F07B3A 100%);
  --gradient-warm: linear-gradient(135deg, #FAFAF5 0%, #F0EDE4 50%, #E8E2D5 100%);
  --gradient-card: linear-gradient(180deg, rgba(27, 67, 50, 0.02) 0%, rgba(27, 67, 50, 0.06) 100%);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-accent: 'Playfair Display', Georgia, 'Times New Roman', serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows — bold and visible */
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.12), 0 3px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16), 0 6px 16px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 24px 72px rgba(0, 0, 0, 0.2), 0 10px 28px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 60px rgba(212, 168, 83, 0.4), 0 0 20px rgba(212, 168, 83, 0.2);
  --shadow-primary-glow: 0 12px 40px rgba(27, 67, 50, 0.35), 0 4px 16px rgba(27, 67, 50, 0.15);

  /* Transition */
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Container */
  --container-max: 1200px;
}

/* ==========================================================================
   2. Reset
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: hidden; }
body { margin: 0; padding: 0; overflow-x: hidden; }
img { max-width: 100%; display: block; }
nav ul { list-style: none; margin: 0; padding: 0; }

/* ==========================================================================
   3. Base Typography
   ========================================================================== */

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 700;
  line-height: 1.15;
  margin-top: 0;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-primary-light); }

p { margin-top: 0; }

/* ==========================================================================
   4. Layout Utilities
   ========================================================================== */

.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.section { padding: var(--space-20) 0; }

/* ==========================================================================
   5. Button Styles
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.25rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
  line-height: 1;
  gap: 0.5rem;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-3px) scale(1.02);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-hero);
  color: #fff;
  box-shadow: var(--shadow-primary-glow);
}
.btn-primary:hover {
  box-shadow: 0 12px 36px rgba(27, 67, 50, 0.35);
  color: #fff;
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-glow);
}
.btn-accent:hover {
  box-shadow: 0 12px 36px rgba(212, 168, 83, 0.4);
  color: var(--color-primary-dark);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background-color: transparent;
}
.btn-outline:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.btn-white {
  background: #fff;
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.btn-white:hover {
  box-shadow: var(--shadow-lg);
  color: var(--color-primary);
}

.btn-lg {
  padding: 1.125rem 2.75rem;
  font-size: 1.1rem;
}

/* ==========================================================================
   6. Navigation
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}

/* White nav text ONLY on pages with a hero (homepage) — controlled by .header-transparent class on <header> */
.site-header.header-transparent:not(.scrolled) .nav-links a { color: #fff; }
.site-header.header-transparent:not(.scrolled) .nav-links a:hover { color: var(--color-accent); }
.site-header.header-transparent:not(.scrolled) .cart-icon { color: #fff; }
.site-header.header-transparent:not(.scrolled) .hamburger,
.site-header.header-transparent:not(.scrolled) .hamburger::before,
.site-header.header-transparent:not(.scrolled) .hamburger::after { background-color: #fff; }

/* Non-hero pages: always show solid header */
.site-header:not(.header-transparent) {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Offset content below fixed header (pages without full-bleed hero) */
main { padding-top: 80px; }
.hero { margin-top: -80px; }

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

.logo { display: flex; align-items: center; text-decoration: none; }
.logo-img { height: 44px; width: auto; display: block; }
.logo-text {
  font-family: var(--font-accent);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo-text:hover { text-decoration: none; }

.nav-links { display: flex; gap: 2.25rem; }
.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--color-primary); text-decoration: none; }
.nav-links a:hover::after { width: 100%; }

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.hamburger, .hamburger::before, .hamburger::after {
  display: block; width: 24px; height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger { position: relative; }
.hamburger::before, .hamburger::after { content: ''; position: absolute; left: 0; }
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.cart-icon {
  position: relative;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}
.cart-icon:hover { text-decoration: none; color: var(--color-primary); }

.cart-count {
  position: absolute;
  top: -8px;
  right: -10px;
  background: var(--gradient-accent);
  color: var(--color-primary-dark);
  font-size: 0.7rem;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(212, 168, 83, 0.4);
}

/* ==========================================================================
   7. Hero Section
   ========================================================================== */

.hero {
  padding: 8rem 0 6rem;
  text-align: center;
  background: var(--gradient-hero);
  color: #fff;
  position: relative;
  overflow: hidden;
}

/* Decorative background elements */
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(45, 106, 79, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  color: var(--color-accent-light);
  letter-spacing: 0.03em;
}

.hero-headline {
  font-family: var(--font-body);
  font-size: clamp(3rem, 7vw, 5rem);
  color: #fff;
  margin-bottom: 1.5rem;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.35rem);
  color: rgba(255, 255, 255, 0.8);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3rem;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-trust {
  margin-top: 4rem;
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.hero-trust-item svg {
  color: var(--color-accent);
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  text-align: left;
}
.hero-split .hero-headline,
.hero-split .hero-subtitle { margin-left: 0; margin-right: 0; }
.hero-split .hero-ctas { justify-content: flex-start; }

/* Light hero variant for inner pages */
.hero-light {
  background: var(--gradient-warm);
  color: var(--color-text);
}
.hero-light::before, .hero-light::after { display: none; }
.hero-light .hero-headline { color: var(--color-primary); }
.hero-light .hero-subtitle { color: var(--color-secondary-text); }

/* ==========================================================================
   8. Section Styles
   ========================================================================== */

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

.section-dark {
  background: var(--gradient-hero);
  color: #fff;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-dark);
  margin-bottom: 0.75rem;
  background: rgba(212, 168, 83, 0.12);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
}

.section-title {
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--color-secondary-text);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.125rem;
  line-height: 1.6;
}

/* ==========================================================================
   9. Product Card
   ========================================================================== */

.product-card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
}

.product-card-img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background-color: #f5f5f0;
  position: relative;
  display: block;
}

.product-card-video {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
  background-color: #f5f5f0;
}

.product-card .product-spinner {
  aspect-ratio: 3 / 2;
  border-radius: 0;
}

.product-card-body {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.product-card-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.product-card-desc {
  color: var(--color-secondary-text);
  margin-bottom: 1.75rem;
  flex: 1;
  line-height: 1.6;
}

/* ==========================================================================
   10. Benefit / Feature Cards
   ========================================================================== */

.benefit-card {
  padding: 2.5rem 2rem;
  text-align: center;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,0,0,0.06);
  border-top: 4px solid var(--color-accent);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: all var(--transition);
}

.benefit-card h3 { color: var(--color-primary); }
.benefit-card p { color: var(--color-secondary-text); }

.benefit-card:hover {
  box-shadow: 0 12px 36px rgba(232, 97, 26, 0.15);
  transform: translateY(-6px);
  border-top-color: #D4550F;
}

.benefit-icon {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #E8611A, #F4A261);
  margin-left: auto;
  margin-right: auto;
  transition: all var(--transition);
}
.benefit-icon svg { stroke: #fff !important; }
.benefit-card:hover .benefit-icon {
  background: linear-gradient(135deg, #D4550F, #E8611A);
  transform: scale(1.08);
}

.benefit-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.benefit-card p {
  color: var(--color-secondary-text);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* ==========================================================================
   11. Product Page Components
   ========================================================================== */

.purchase-toggle {
  display: flex;
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  padding: 4px;
  gap: 4px;
}

.purchase-toggle input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.purchase-toggle label {
  flex: 1;
  text-align: center;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
  color: var(--color-secondary-text);
}

.purchase-toggle input:checked + label {
  background: #fff;
  box-shadow: var(--shadow-md);
  color: var(--color-primary);
  font-weight: 600;
}

.quantity-selector {
  display: flex;
  align-items: center;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--color-bg-alt);
}

.quantity-btn {
  width: 48px;
  height: 48px;
  border: none;
  background: var(--color-bg-alt);
  font-size: 1.5rem;
  font-weight: 300;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  color: var(--color-text);
  user-select: none;
  -webkit-user-select: none;
}
.quantity-btn:hover { background: #d5d0c5; }
.quantity-btn:active { transform: scale(0.95); }

.quantity-input {
  width: 56px;
  height: 44px;
  text-align: center;
  border: none;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 600;
  background: #fff;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.ingredients-table {
  width: 100%;
  border-collapse: collapse;
}
.ingredients-table th,
.ingredients-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.ingredients-table th {
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(27, 67, 50, 0.04);
}
.ingredients-table tr:last-child td { border-bottom: none; }

/* ==========================================================================
   12. Accordion
   ========================================================================== */

.accordion-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.35rem 0;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  color: var(--color-text);
  transition: color var(--transition);
}
.accordion-trigger:hover { color: var(--color-primary); }

.accordion-trigger::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
  color: var(--color-accent);
}

.accordion-item.is-open .accordion-trigger::after {
  content: "\2212";
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-item.is-open .accordion-content { max-height: 500px; }

.accordion-content-inner {
  padding: 0 0 1.5rem;
  color: var(--color-secondary-text);
  line-height: 1.7;
}

/* ==========================================================================
   13. Testimonial Card
   ========================================================================== */

.testimonial-card {
  background: #fff;
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.04);
  position: relative;
  transition: all var(--transition);
}

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

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 1.25rem;
  right: 1.75rem;
  font-family: var(--font-accent);
  font-size: 5rem;
  line-height: 1;
  color: rgba(212, 168, 83, 0.15);
  pointer-events: none;
}

.testimonial-stars {
  color: #F59E0B;
  margin-bottom: 1.25rem;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
  color: var(--color-text);
  font-style: normal;
}

.testimonial-author {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary);
}

.testimonial-author span {
  font-weight: 400;
  color: var(--color-secondary-text);
}

/* ==========================================================================
   14. Blog Card
   ========================================================================== */

.blog-card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
  display: block;
}

.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  text-decoration: none;
  color: inherit;
}

.blog-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.blog-card-body { padding: 1.75rem; }

.blog-card-date {
  font-size: 0.8rem;
  color: var(--color-accent-dark);
  margin-bottom: 0.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card-title {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.blog-card-title a { color: var(--color-text); text-decoration: none; }
.blog-card-title a:hover { color: var(--color-primary); }

.blog-card-excerpt {
  color: var(--color-secondary-text);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* ==========================================================================
   15. Stats / Numbers Row
   ========================================================================== */

.stats-row {
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
  padding: 3rem 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-body);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

/* ==========================================================================
   16. CTA Banner
   ========================================================================== */

.cta-banner {
  background: var(--gradient-hero);
  color: #fff;
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-banner .container { position: relative; z-index: 1; }

.cta-banner h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
  color: #fff;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
}

/* ==========================================================================
   17. Form Styles
   ========================================================================== */

.form-group { margin-bottom: 1.5rem; }

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

input, textarea, select {
  width: 100%;
  padding: 0.9rem 1.25rem;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  background-color: #fff;
  color: var(--color-text);
}

/* Exclude quantity inputs and radio buttons from global input styles */
input[type="number"].quantity-input {
  width: 56px;
  height: 48px;
  padding: 0;
  text-align: center;
  border: none;
  border-radius: 0;
  font-size: 1.1rem;
  font-weight: 600;
  -moz-appearance: textfield;
}
input[type="number"].quantity-input::-webkit-inner-spin-button,
input[type="number"].quantity-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="radio"] {
  width: auto;
  padding: 0;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 4px rgba(27, 67, 50, 0.08);
}

textarea { min-height: 150px; resize: vertical; }
.form-error { color: var(--color-error); font-size: 0.875rem; margin-top: 0.25rem; }

/* ==========================================================================
   18. Cart Styles
   ========================================================================== */

.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th {
  text-align: left;
  padding: 1.25rem 1rem;
  border-bottom: 2px solid var(--color-bg-alt);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary-text);
}
.cart-table td {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  vertical-align: middle;
}

.cart-item-thumb {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0,0,0,0.08);
  background: var(--color-bg-alt);
}
.cart-item-thumb-placeholder {
  width: 60px;
  height: 60px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
}
.cart-item-name { font-weight: 600; }
.cart-item-price { font-weight: 600; color: var(--color-primary); }

.cart-remove {
  color: var(--color-error);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-family: inherit;
  opacity: 0.6;
  transition: opacity var(--transition);
}
.cart-remove:hover { opacity: 1; }

.cart-summary {
  margin-top: 2.5rem;
  padding: 2rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  text-align: right;
}

.cart-total {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.cart-empty {
  text-align: center;
  padding: 6rem 0;
}
.cart-empty p {
  font-size: 1.125rem;
  color: var(--color-secondary-text);
  margin-bottom: 2rem;
}

/* ==========================================================================
   19. Footer
   ========================================================================== */

.site-footer {
  background: var(--color-bg-dark);
  color: #fff;
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
}

.footer-col h3 {
  font-family: var(--font-body);
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
  color: #fff;
}
.footer-col h4 {
  margin-bottom: 1.25rem;
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-col p {
  color: #999;
  line-height: 1.7;
  font-size: 0.95rem;
}

.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 0.75rem; }
.footer-col a {
  color: #999;
  text-decoration: none;
  transition: color var(--transition);
  font-size: 0.95rem;
}
.footer-col a:hover { color: var(--color-accent); text-decoration: none; }

.social-links { display: flex; gap: 1rem; }
.social-links a {
  color: #999;
  transition: color var(--transition);
  font-size: 0.95rem;
}
.social-links a:hover { color: var(--color-accent); }

.footer-bottom {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  color: #666;
  font-size: 0.875rem;
}

/* ==========================================================================
   20. Utility Classes
   ========================================================================== */

.text-center { text-align: center; }
.text-secondary { color: var(--color-secondary-text); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* ==========================================================================
   21. Animations
   ========================================================================== */

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
[data-animate-children] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
[data-animate-children].is-visible > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
[data-animate-children].is-visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
[data-animate-children].is-visible > *:nth-child(3) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
[data-animate-children].is-visible > *:nth-child(4) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }

/* ==========================================================================
   22. Enhanced Visual Effects
   ========================================================================== */

/* CTA button shimmer animation */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.btn-accent {
  background: linear-gradient(110deg, #E8611A 0%, #F07B3A 25%, #F9A96B 50%, #F07B3A 75%, #E8611A 100%);
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
}

/* Hero headline text shadow for depth */
.hero-headline {
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Bolder hero decorative elements */
.hero::before {
  background: radial-gradient(circle, rgba(212, 168, 83, 0.25) 0%, transparent 70%) !important;
}
.hero::after {
  background: radial-gradient(circle, rgba(45, 106, 79, 0.4) 0%, transparent 70%) !important;
}

/* Animated gradient background for hero */
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero:not(.hero-light) {
  background: linear-gradient(-45deg, #0F2B1F, #1B4332, #2D6A4F, #1B4332) !important;
  background-size: 400% 400% !important;
  animation: gradientShift 15s ease infinite;
}

/* Product image with premium styling */
.product-img-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #f5f5f0;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
}
.product-img-wrapper img {
  width: 85%;
  height: 85%;
  object-fit: contain;
}

/* 360° Product Spinner */
.product-spinner {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  background: #f5f5f0;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.product-spinner.spinner--dragging { cursor: grabbing; }
.spinner-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 3%;
  opacity: 0;
  transition: none;
  pointer-events: none;
}
.spinner-frame--active { opacity: 1; }
.spinner-hint {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(27,67,50,0.8);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  pointer-events: none;
  z-index: 2;
  opacity: 1;
  transition: opacity 0.3s;
  letter-spacing: 0.03em;
}
.spinner--dragging .spinner-hint { opacity: 0; }

/* Bolder card hover effects */
.product-card:hover {
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(212, 168, 83, 0.2);
  transform: translateY(-10px);
}

.benefit-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: rgba(212, 168, 83, 0.4);
}

.blog-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

/* ==========================================================================
   23. Trust Badges
   ========================================================================== */

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 2.5rem 0;
}

.trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.trust-badge-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(27, 67, 50, 0.08) 0%, rgba(45, 106, 79, 0.04) 100%);
  border: 2px solid rgba(27, 67, 50, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.trust-badge:hover .trust-badge-icon {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
  transform: scale(1.08);
}

.trust-badge-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary-text);
}

/* Dark variant for trust badges */
.section-dark .trust-badge-icon {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}
.section-dark .trust-badge-label {
  color: rgba(255, 255, 255, 0.7);
}

/* ==========================================================================
   24. Testimonial Avatars
   ========================================================================== */

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}
.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
}

/* ==========================================================================
   25. Responsive Breakpoints
   ========================================================================== */

/* ---------- Tablet (769–1024px) ---------- */
@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-split { gap: 2rem; }
  .stats-row { gap: 2.5rem; }
}

/* ---------- Mobile (≤768px) ---------- */
@media (max-width: 768px) {
  /* Layout */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: var(--space-12) 0; }

  /* Typography */
  h1 { font-size: clamp(1.75rem, 6vw, 2.5rem); }
  h2 { font-size: clamp(1.5rem, 5vw, 2rem); }

  /* Header / Nav */
  .mobile-menu-toggle { display: flex; }
  .main-nav {
    position: fixed; top: 80px; right: 0;
    height: calc(100vh - 80px); width: 300px;
    background: #fff; transform: translateX(100%);
    transition: transform var(--transition);
    box-shadow: var(--shadow-xl); padding: 2rem;
    z-index: 999;
  }
  .main-nav.is-open { transform: translateX(0); }
  .nav-links { flex-direction: column; gap: 0; }
  .nav-links a {
    padding: 1.1rem 0; border-bottom: 1px solid rgba(0,0,0,0.06);
    display: block; font-size: 1.05rem;
    color: var(--color-text) !important;
  }
  .nav-links a:hover { color: var(--color-accent) !important; }
  .nav-links a::after { display: none; }

  /* Hero (homepage video hero) */
  .hero { padding: 5rem 0 4rem; min-height: 80vh !important; }
  .hero-headline { font-size: clamp(2rem, 8vw, 3.5rem); }
  .hero-subtitle { font-size: 1rem; margin-bottom: 2rem; }
  .hero-split { grid-template-columns: 1fr; text-align: center; }
  .hero-split .hero-ctas { justify-content: center; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { width: 100%; }
  .hero-trust {
    gap: 1rem;
    flex-direction: column;
    align-items: center;
  }
  .hero-badge { font-size: 0.8rem; padding: 0.4rem 1rem; }

  /* Stats row */
  .stats-row {
    gap: 1.5rem;
    flex-direction: column;
    align-items: center;
  }
  .stat-number { font-size: 2.25rem; }

  /* Product page hero (2-column → stacked) */
  .grid-2[style*="align-items:center"] {
    gap: 2rem !important;
  }

  /* Product image placeholder (square → shorter on mobile) */
  .grid-2 > div[style*="aspect-ratio:1"] {
    aspect-ratio: 4/3 !important;
    padding: 2rem !important;
  }
  .grid-2 > div[style*="aspect-ratio:1"] span[style*="font-size:2rem"] {
    font-size: 1.5rem !important;
  }

  /* Purchase toggle */
  .purchase-toggle {
    max-width: 100% !important;
  }

  /* Quantity + Add to Cart row */
  .grid-2 div[style*="display:flex;align-items:center;gap:1.25rem"] {
    flex-wrap: wrap;
  }

  /* Benefits grid */
  .grid-4 { gap: 1rem; }
  .benefit-card { padding: 1.75rem 1.25rem; }
  .benefit-icon { width: 56px; height: 56px; font-size: 2rem; }

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

  /* Ingredients table */
  .ingredients-table th,
  .ingredients-table td {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }

  /* Testimonials */
  .testimonial-card { padding: 1.75rem; }
  .testimonial-card::before { font-size: 3.5rem; top: 0.75rem; right: 1rem; }
  .testimonial-text { font-size: 0.95rem; }

  /* CTA Banner */
  .cta-banner { padding: 3.5rem 0; }
  .cta-banner h2 { font-size: clamp(1.5rem, 5vw, 2rem); }

  /* Blog cards */
  .blog-card-body { padding: 1.25rem; }
  .blog-card-title { font-size: 1.05rem; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .site-footer { padding: 3rem 0 1.5rem; }

  /* Cart — hide Price, Qty, Total columns on mobile; keep image, name, remove */
  .cart-table th:nth-child(3),
  .cart-table td:nth-child(3),
  .cart-table th:nth-child(4),
  .cart-table td:nth-child(4),
  .cart-table th:nth-child(5),
  .cart-table td:nth-child(5) { display: none; }
  .cart-item-thumb { width: 48px; height: 48px; }
  .cart-summary { text-align: center; }

  /* Accordion */
  .accordion-trigger { font-size: 0.95rem; padding: 1.1rem 0; }

  /* Section headers */
  .section-header { margin-bottom: 2.5rem; }

  /* Header */
  .header-inner { height: 64px; }
  .logo-img { height: 38px; }
  .main-nav { top: 64px; height: calc(100vh - 64px); }

  /* Trust badges */
  .trust-badges { gap: 1.25rem; }
  .trust-badge-icon { width: 48px; height: 48px; }
  .trust-badge-label { font-size: 0.7rem; }

  /* Testimonial avatars */
  .testimonial-avatar { width: 40px; height: 40px; font-size: 0.875rem; }
}

/* ---------- Small Mobile (≤480px) ---------- */
@media (max-width: 480px) {
  .container { padding-left: 1rem; padding-right: 1rem; }

  .hero { padding: 4rem 0 3rem; min-height: 70vh !important; }
  .hero-headline { font-size: clamp(1.75rem, 8vw, 2.25rem); }

  .btn { padding: 0.75rem 1.5rem; font-size: 0.9375rem; }
  .btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }

  .product-card-body { padding: 1.25rem; }

  .benefit-card { padding: 1.5rem 1rem; }
  .benefit-icon { width: 48px; height: 48px; font-size: 1.75rem; }
  .benefit-card h3 { font-size: 1rem; }
  .benefit-card p { font-size: 0.875rem; }

  .testimonial-card { padding: 1.5rem; }

  /* Product page price */
  #product-price { font-size: 1.75rem !important; }

  /* Quantity selector tighter */
  .quantity-btn { width: 40px; height: 40px; font-size: 1.25rem; }
  input[type="number"].quantity-input { width: 48px; height: 40px; font-size: 1rem; }

  /* Stats on mobile */
  .stat-number { font-size: 2rem; }
  .stat-label { font-size: 0.8rem; }

  /* Trust items (product page) */
  .grid-2 div[style*="flex-direction:column;gap:0.5rem"] span {
    font-size: 0.8rem !important;
  }

  /* Logo even smaller on tiny screens */
  .logo-img { height: 34px; }
}


/* ==========================================================================
   Omega-3 Product Page — Pure Origin & Trophic Sections
   ========================================================================== */

/* --- Pure Origin Section --- */
.pure-origin-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 4rem;
  align-items: center;
}
.pure-origin-headline {
  font-family: var(--font-body);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.pure-origin-italic {
  font-style: italic;
  font-weight: 400;
  color: var(--color-primary-light);
}
.pure-origin-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.pure-origin-stat-value {
  display: block;
  font-family: var(--font-body);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
}
.pure-origin-stat-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary-light);
  font-weight: 600;
}
.pure-origin-divider {
  width: 1px;
  height: 2.5rem;
  background: rgba(27, 67, 50, 0.15);
}
.pure-origin-image-wrapper {
  position: relative;
}
.pure-origin-image-container {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.pure-origin-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pure-origin-quote {
  position: absolute;
  bottom: -2rem;
  left: -2rem;
  background: #fff;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 320px;
  border: 1px solid rgba(0, 0, 0, 0.05);
}
.pure-origin-quote-text {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--color-primary);
  font-size: 1.05rem;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}
.pure-origin-quote-author {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary-light);
  font-weight: 600;
}

/* --- Dark Benefit Cards (Omega-3 page) --- */
.benefits-dark-section {
  background: var(--color-primary-dark);
}
.benefit-card-dark {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: left;
  transition: background 0.3s, transform 0.3s;
}
.benefit-card-dark:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}
.benefit-card-dark-icon {
  margin-bottom: 1.5rem;
  opacity: 0.7;
}
.benefit-card-dark h3 {
  color: #fff;
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
}
.benefit-card-dark p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.925rem;
  line-height: 1.6;
}

/* --- Trophic Theory Section --- */
.trophic-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  max-width: 960px;
  margin: 0 auto;
  position: relative;
}
.trophic-connector {
  display: none;
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: rgba(27, 67, 50, 0.1);
  transform: translateY(-3rem);
}
@media (min-width: 769px) {
  .trophic-connector { display: block; }
}
.trophic-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.trophic-icon {
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s, transform 0.3s;
}
.trophic-step:hover .trophic-icon {
  box-shadow: var(--shadow-md);
}
.trophic-step-faded .trophic-icon {
  opacity: 0.5;
}
.trophic-icon-highlight {
  background: var(--color-primary) !important;
  box-shadow: var(--shadow-xl) !important;
  opacity: 1 !important;
}
.trophic-step-highlight:hover .trophic-icon-highlight {
  transform: scale(1.05);
}
.trophic-step h3 {
  font-family: var(--font-body);
  font-size: 1.35rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.trophic-step p {
  font-size: 0.925rem;
  color: var(--color-secondary-text);
  line-height: 1.6;
  padding: 0 0.5rem;
}

/* --- Comparison Table Section --- */
.comparison-grid {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: 4rem;
  align-items: start;
}
.comparison-callout {
  padding: 1.5rem;
  background: rgba(232, 97, 26, 0.06);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
}
.comparison-callout p {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--color-accent-dark);
  font-size: 1.05rem;
  line-height: 1.5;
  margin: 0;
}
.comparison-table-wrapper {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: var(--shadow-sm);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.comparison-table thead tr {
  background: var(--color-bg);
}
.comparison-table th {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.comparison-table th.comparison-fish { color: var(--color-secondary-text); }
.comparison-table th.comparison-algae { color: var(--color-primary); }
.comparison-table td {
  padding: 1.25rem 1.5rem;
  font-size: 0.925rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
.comparison-table tbody tr:nth-child(even) {
  background: var(--color-bg);
}
.comparison-metric { font-weight: 600; color: var(--color-text); }
.comparison-fish-cell { color: var(--color-secondary-text); }
.comparison-algae-cell { color: var(--color-primary); font-weight: 700; }

/* --- Process Section (Dark) --- */
.process-section {
  background: var(--color-primary-dark);
  position: relative;
  overflow: hidden;
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.process-step {
  background: rgba(255, 255, 255, 0.08);
  padding: 2rem;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  min-height: 260px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.3s;
}
.process-step:hover {
  background: rgba(255, 255, 255, 0.12);
}
.process-step-number {
  font-family: var(--font-body);
  font-size: 2.25rem;
  font-style: italic;
  color: rgba(255, 255, 255, 0.25);
  margin-bottom: 1.5rem;
}
.process-step h4 {
  font-family: var(--font-body);
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.75rem;
}
.process-step p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}
.process-step-icon {
  margin-top: auto;
  color: rgba(255, 255, 255, 0.5);
}

/* --- Responsive: Omega-3 Sections --- */
@media (max-width: 900px) {
  .pure-origin-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .pure-origin-quote {
    position: relative;
    bottom: auto;
    left: auto;
    margin-top: 1.5rem;
    max-width: 100%;
  }
  .comparison-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .trophic-steps {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .comparison-table th,
  .comparison-table td {
    padding: 0.85rem 1rem;
    font-size: 0.85rem;
  }
  .pure-origin-headline {
    font-size: 2.25rem;
  }
}

.usage-card {
    background: #fff;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.usage-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.usage-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.usage-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    line-height: 1.5;
}

.usage-list svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* --- Dark Usage Section (NMN Page) --- */
.usage-dark-section {
  background: var(--color-primary-dark);
  color: #fff;
}

.usage-card-dark {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.09));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}
.usage-card-dark:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  border-color: rgba(255, 255, 255, 0.15);
}

.usage-card-dark-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.usage-card-dark-header h3 {
  color: #fff;
  font-family: var(--font-body);
  font-size: 1.3rem;
  margin: 0;
}

.usage-card-dark-intro {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

.usage-list-dark {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.usage-list-dark li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  line-height: 1.6;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
}
.usage-list-dark li strong {
  color: #fff;
}

.usage-list-dark svg {
  flex-shrink: 0;
  margin-top: 4px;
}

/* ==========================================================================
   Index Page — Cellular Stewardship Hero
   ========================================================================== */

.cs-hero {
  position: relative;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary);
}

.cs-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cs-hero-bg img,
.cs-hero-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  mix-blend-mode: overlay;
}

.cs-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--color-primary) 0%, rgba(27,67,50,0.8) 50%, transparent 100%);
}

.cs-hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: 6rem 0;
}

.cs-hero-headline {
  font-family: var(--font-body);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 1.5rem 0 1.5rem;
}

.cs-hero-headline em {
  color: var(--color-accent-light);
  font-style: italic;
}

.cs-hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 2.5rem;
}

.cs-hero-ctas {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cs-hero-link {
  color: #fff;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
}

.cs-hero-link:hover {
  color: var(--color-accent-light);
}

/* ==========================================================================
   Index Page — Data as Primary Ingredient Card
   ========================================================================== */

.cs-data-card {
  background: var(--color-primary);
  border-radius: 2rem;
  padding: 4rem;
  overflow: hidden;
}

.cs-data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.cs-data-text {
  color: #fff;
}

.cs-data-headline {
  font-family: var(--font-body);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin: 1.5rem 0 1.5rem;
}

.cs-data-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.cs-data-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cs-data-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.cs-data-list li svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.cs-data-list li strong {
  display: block;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.25rem;
}

.cs-data-list li span {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
}

.cs-data-img-wrap {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 1.5rem;
  padding: 0.25rem;
}

.cs-data-img-wrap img {
  width: 100%;
  border-radius: 1.25rem;
  filter: grayscale(100%);
  opacity: 0.8;
}

/* --- Responsive: Cellular Stewardship & Data sections --- */
@media (max-width: 900px) {
  .cs-hero { min-height: 500px; }
  .cs-hero-content { padding: 4rem 0; }
  .cs-data-card { padding: 2.5rem; }
  .cs-data-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 600px) {
  .cs-hero { min-height: 400px; }
  .cs-hero-headline { font-size: 2.25rem; }
  .cs-hero-ctas { flex-direction: column; align-items: stretch; }
  .cs-data-card { padding: 2rem 1.5rem; border-radius: 1.25rem; }
  .cs-data-headline { font-size: 1.75rem; }
}

/* ==========================================================================
   Page Hero — Uniform inner-page hero (matches Cellular Stewardship style)
   ========================================================================== */

.page-hero {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-primary);
  text-align: center;
  margin-top: -80px;
  padding-top: 80px;
}

.page-hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-hero-video::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27,67,50,0.92) 0%, rgba(27,67,50,0.75) 50%, rgba(44,95,72,0.8) 100%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
  padding: 4rem 1.5rem;
}

.page-hero-label {
  display: inline-block;
  background: rgba(183,228,199,0.15);
  color: var(--color-accent-light);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.page-hero h1 {
  font-family: var(--font-body);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.page-hero p {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto;
}

@media (max-width: 600px) {
  .page-hero { min-height: 260px; }
  .page-hero .container { padding: 3rem 1.25rem; }
}

/* --- Blog Article Hero (with background image) --- */

.blog-hero {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-primary);
  text-align: center;
  margin-top: -80px;
  padding-top: 80px;
}

.blog-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('../images/blog/blog-hero-bg.webp');
  background-size: cover;
  background-position: center;
  filter: saturate(0.35) brightness(0.6);
}

.blog-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg, rgba(27,67,50,0.88) 0%, rgba(27,67,50,0.65) 50%, rgba(44,95,72,0.7) 100%);
}

.blog-hero .container {
  position: relative;
  z-index: 1;
  padding: 4rem 1.5rem;
}

.blog-hero .section-label {
  background: rgba(183,228,199,0.15);
  color: var(--color-accent-light);
}

.blog-hero .hero-headline {
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  font-size: clamp(2rem, 5vw, 3.25rem);
}

.blog-hero .hero-subtitle {
  color: rgba(255,255,255,0.65);
  margin-bottom: 0;
}

@media (max-width: 600px) {
  .blog-hero { min-height: 280px; }
  .blog-hero .container { padding: 3rem 1.25rem; }
}

/* ==========================================================================
   NMN Product Page — Additional Sections
   ========================================================================== */

/* --- Shared headline style --- */
.nmn-headline {
  font-family: var(--font-body);
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 700;
  font-style: italic;
  line-height: 1.15;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

/* --- Bento Grid (Nucleotide of Life) --- */
.nmn-bento-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  min-height: 400px;
}
.nmn-bento-hero {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.nmn-bento-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s ease;
}
.nmn-bento-hero:hover img {
  transform: scale(1.05);
}
.nmn-bento-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(27,67,50,0.85) 0%, transparent 60%);
}
.nmn-bento-hero-content {
  position: absolute;
  bottom: 0;
  padding: 2.5rem;
}
.nmn-bento-hero-content h3 {
  font-family: var(--font-body);
  font-size: 1.75rem;
  font-style: italic;
  color: #fff;
  margin-bottom: 0.75rem;
}
.nmn-bento-hero-content p {
  color: rgba(255,255,255,0.8);
  max-width: 420px;
  line-height: 1.6;
}
.nmn-bento-side {
  background: #fff;
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.nmn-bento-side::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/AVOCADO.jpg') center / cover no-repeat;
  opacity: 0.35;
  z-index: 0;
}
.nmn-bento-side::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.75) 0%, rgba(255,255,255,0.45) 100%);
  z-index: 0;
}
.nmn-bento-side > * {
  position: relative;
  z-index: 1;
}
.nmn-bento-side-icon {
  margin-bottom: 1.5rem;
}
.nmn-bento-side h3 {
  font-family: var(--font-body);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.nmn-bento-side p {
  color: var(--color-secondary-text);
  font-size: 0.925rem;
  line-height: 1.6;
}

/* --- NAD+ Engine (2-col image + text) --- */
.nmn-engine-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.nmn-engine-images {
  position: relative;
}
.nmn-engine-images-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.nmn-engine-img {
  width: 100%;
  height: 16rem;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.nmn-engine-img--offset {
  margin-top: 3rem;
}
.nmn-engine-bolt {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 5rem;
  height: 5rem;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
}
.nmn-checklist {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.nmn-checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.nmn-checklist-icon {
  flex-shrink: 0;
  margin-top: 4px;
}

/* --- Outcomes header (side-by-side) --- */
.nmn-outcomes-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  margin-bottom: 3rem;
}

/* --- Bioavailability (image + text) --- */
.nmn-bioavail-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 4rem;
  align-items: center;
}
.nmn-bioavail-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}
.nmn-bioavail-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nmn-bioavail-stat-value {
  display: block;
  font-family: var(--font-body);
  font-size: 1.75rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-accent-dark);
}
.nmn-bioavail-stat-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-secondary-text);
  font-weight: 600;
}

/* --- Standard Cards --- */
.nmn-standard-card {
  background: #fff;
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--color-primary);
  text-align: center;
}
.nmn-standard-value {
  display: block;
  font-family: var(--font-body);
  font-size: 2.5rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.nmn-standard-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-secondary-text);
  font-weight: 700;
  margin-bottom: 1rem;
}
.nmn-standard-card p {
  font-size: 0.925rem;
  color: var(--color-secondary-text);
  line-height: 1.6;
}

/* --- CTA Box --- */
.nmn-cta-box {
  position: relative;
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: clamp(3rem, 6vw, 6rem);
  text-align: center;
}
.nmn-cta-bg {
  position: absolute;
  inset: 0;
  opacity: 0.1;
}
.nmn-cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.nmn-cta-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* --- Responsive: NMN Sections --- */
@media (max-width: 900px) {
  .nmn-bento-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .nmn-bento-hero { min-height: 300px; }
  .nmn-engine-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .nmn-bioavail-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .nmn-bioavail-image img { height: 300px; }
  .nmn-outcomes-header {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 600px) {
  .nmn-engine-images-inner { grid-template-columns: 1fr; }
  .nmn-engine-img--offset { margin-top: 0; }
  .nmn-engine-bolt { width: 4rem; height: 4rem; }
}
