/* ==========================================================================
   OSTEO NOVA & DR. MATTEO MORETTI - DESIGN SYSTEM
   Professional Scientific & Biomechanical Health Platform
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Playfair+Display:ital,wght@0,600;0,700;0,800;1,600&family=Cinzel:wght@600;700;800&display=swap');

:root {
  /* Color Palette */
  --primary-navy: #0e2038;
  --primary-navy-dark: #081424;
  --primary-navy-light: #163052;
  --accent-copper: #c58f44;
  --accent-copper-hover: #b07d35;
  --accent-copper-light: #fdf6ec;
  --accent-emerald: #196f5b;
  --accent-emerald-light: #e6f4f0;
  --accent-red: #d9383a;
  
  /* Neutrals */
  --bg-main: #f8fafc;
  --bg-white: #ffffff;
  --bg-alt: #f1f5f9;
  --bg-card: #ffffff;
  --text-dark: #0f172a;
  --text-muted: #475569;
  --text-light: #64748b;
  --border-color: #e2e8f0;
  --border-focus: #c58f44;
  
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-diploma: 'Cinzel', serif;
  
  /* Shadows & Radii */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(14, 32, 56, 0.08), 0 2px 4px -2px rgba(14, 32, 56, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(14, 32, 56, 0.1), 0 4px 6px -4px rgba(14, 32, 56, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(14, 32, 56, 0.12), 0 8px 10px -6px rgba(14, 32, 56, 0.06);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.container-narrow {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--primary-navy);
  font-weight: 700;
  line-height: 1.25;
}

.font-serif {
  font-family: var(--font-serif);
}

.font-diploma {
  font-family: var(--font-diploma);
}

.text-copper {
  color: var(--accent-copper);
}

.text-emerald {
  color: var(--accent-emerald);
}

.text-muted {
  color: var(--text-muted);
}

/* Top Notification Bar */
.top-notice-bar {
  background: var(--primary-navy-dark);
  color: #cbd5e1;
  font-size: 0.76rem;
  padding: 0.25rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(197, 143, 68, 0.18);
}

.top-notice-bar .badges-row {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.top-notice-bar .badge-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.top-notice-bar .flag-icon {
  font-size: 0.9rem;
}

/* Navigation Header - Slim & Sleek */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 1px 3px rgba(14, 32, 56, 0.04);
  transition: all var(--transition-normal);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-logo .logo-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary-navy), var(--accent-copper));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 2px 6px rgba(197, 143, 68, 0.2);
}

.brand-logo .logo-text {
  display: flex;
  flex-direction: column;
}

.brand-logo .logo-title {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--primary-navy);
  line-height: 1.1;
}

.brand-logo .logo-sub {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--accent-copper);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Nav Menu - Single Line Without Text Wrapping */
.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(0.6rem, 1.2vw, 1.25rem);
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
  padding: 0.35rem 0.2rem;
  position: relative;
  white-space: nowrap !important;
  display: inline-block;
  line-height: 1.2;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-copper);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-copper);
  border-radius: 2px;
}

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: var(--bg-alt);
  border-radius: var(--radius-full);
  padding: 2px;
  border: 1px solid var(--border-color);
}

.lang-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 3px;
}

.lang-btn.active {
  background: var(--bg-white);
  color: var(--primary-navy);
  box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}

/* Cart Header Button */
.cart-toggle-btn {
  position: relative;
  background: var(--primary-navy);
  color: #fff;
  border: none;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.8125rem;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.cart-toggle-btn:hover {
  background: var(--primary-navy-light);
  transform: translateY(-1px);
}

.cart-count-badge {
  background: var(--accent-copper);
  color: #fff;
  font-size: 0.7rem;
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  font-weight: 800;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.mobile-nav-toggle svg {
  width: 28px;
  height: 28px;
  stroke: var(--primary-navy);
}

/* Mobile Drawer */
.mobile-menu-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: var(--bg-white);
  z-index: 2000;
  box-shadow: -5px 0 25px rgba(0,0,0,0.15);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-normal);
}

.mobile-menu-drawer.open {
  right: 0;
}

.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(2px);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.drawer-nav a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-navy);
}

/* Primary Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-align: center;
  line-height: 1.3;
}

.btn-copper {
  background: linear-gradient(135deg, var(--accent-copper), var(--accent-copper-hover));
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(197, 143, 68, 0.35);
}

.btn-copper:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(197, 143, 68, 0.45);
  background: linear-gradient(135deg, var(--accent-copper-hover), #966526);
}

.btn-navy {
  background: var(--primary-navy);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(14, 32, 56, 0.25);
}

.btn-navy:hover {
  background: var(--primary-navy-light);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--primary-navy);
  color: #fff;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* Section Common Styling */
.section-py {
  padding: 5rem 0;
}

.section-py-sm {
  padding: 3.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.badge-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.badge-tag-copper {
  background: var(--accent-copper-light);
  color: var(--accent-copper-hover);
  border: 1px solid rgba(197, 143, 68, 0.25);
}

.badge-tag-emerald {
  background: var(--accent-emerald-light);
  color: var(--accent-emerald);
  border: 1px solid rgba(25, 111, 91, 0.25);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
}

/* Hero Section */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 10% 20%, #ffffff 0%, #f1f6fa 100%);
  padding: 4rem 0 5rem 0;
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #ffffff;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-navy);
}

.hero-title {
  font-size: 3.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-doctor-badge {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #ffffff;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--accent-copper);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

.hero-doctor-avatar {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--accent-copper);
}

.hero-doctor-info h4 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.hero-doctor-info p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-guarantees {
  display: flex;
  gap: 1.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
}

.hero-guarantees span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Hero Media Box */
.hero-media-wrapper {
  position: relative;
}

.hero-product-card {
  position: relative;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  text-align: center;
}

.hero-product-img {
  max-height: 380px;
  margin: 0 auto 1.5rem auto;
  filter: drop-shadow(0 15px 25px rgba(197, 143, 68, 0.25));
  transition: transform var(--transition-slow);
}

.hero-product-img:hover {
  transform: scale(1.03) rotate(-1deg);
}

.product-ribbon {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--accent-copper);
  color: #fff;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 10px rgba(197, 143, 68, 0.3);
}

.product-badges-row {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.pill-badge {
  background: var(--bg-alt);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-navy);
}

/* Stats Ribbon */
.stats-ribbon {
  background: var(--primary-navy);
  color: #ffffff;
  padding: 2.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item .stat-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-copper);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-item .stat-label {
  font-size: 0.875rem;
  color: #cbd5e1;
  font-weight: 500;
}

/* Feature Cards Grid */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(197, 143, 68, 0.4);
}

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--accent-copper-light);
  color: var(--accent-copper-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

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

/* Story Teaser Section */
.story-teaser-section {
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.story-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 4rem;
  align-items: center;
}

.story-img-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.story-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}

.story-img-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(14, 32, 56, 0.95));
  color: #fff;
  padding: 1.5rem 1.5rem 1rem 1.5rem;
}

.story-img-caption h4 {
  color: #fff;
  font-size: 1.1rem;
}

.story-img-caption p {
  font-size: 0.8125rem;
  color: #cbd5e1;
}

.story-text-content .quote-block {
  border-left: 3px solid var(--accent-copper);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--primary-navy);
  font-weight: 500;
}

/* Interactive Teaser Banner */
.interactive-teaser {
  background: linear-gradient(135deg, var(--primary-navy-dark), var(--primary-navy));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 3.5rem 3rem;
  position: relative;
  overflow: hidden;
}

.interactive-teaser h2 {
  color: #fff;
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.interactive-teaser p {
  color: #cbd5e1;
  font-size: 1.1rem;
  max-width: 650px;
  margin-bottom: 2rem;
}

.interactive-tools-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.tool-teaser-item {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.tool-teaser-icon {
  font-size: 1.75rem;
}

.tool-teaser-item h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.tool-teaser-item p {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 0;
}

/* Pricing / Bundle Section */
.bundles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.bundle-card {
  background: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  box-shadow: var(--shadow-md);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.bundle-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-copper);
}

.bundle-card.popular {
  border-color: var(--accent-copper);
  box-shadow: 0 12px 30px rgba(197, 143, 68, 0.2);
  transform: scale(1.03);
  z-index: 2;
}

.bundle-card.popular:hover {
  transform: scale(1.05) translateY(-5px);
}

.bundle-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-copper);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.3rem 1.25rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(197, 143, 68, 0.4);
}

.bundle-header {
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.bundle-title {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.bundle-supply {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 600;
}

.bundle-price-wrap {
  margin: 1rem 0 0.5rem 0;
}

.bundle-price {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--primary-navy);
  line-height: 1;
}

.bundle-old-price {
  font-size: 1.1rem;
  color: var(--text-light);
  text-decoration: line-through;
  margin-left: 0.5rem;
}

.bundle-per-bottle {
  font-size: 0.8125rem;
  color: var(--accent-emerald);
  font-weight: 700;
}

.bundle-features {
  margin-bottom: 2rem;
  flex-grow: 1;
}

.bundle-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.bundle-feature-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent-emerald);
  flex-shrink: 0;
}

/* Articles Section Card */
.article-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

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

.article-img-box {
  height: 200px;
  background: var(--bg-alt);
  position: relative;
  overflow: hidden;
}

.article-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.article-card:hover .article-img-box img {
  transform: scale(1.05);
}

.article-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
}

.article-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.article-title a:hover {
  color: var(--accent-copper);
}

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.article-link {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-copper);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.article-link:hover {
  color: var(--accent-copper-hover);
  text-decoration: underline;
}

/* Trust / Guarantee Section */
.guarantee-box {
  background: #ffffff;
  border: 2px dashed var(--accent-copper);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.guarantee-seal-icon {
  width: 90px;
  height: 90px;
  flex-shrink: 0;
}

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

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  background: transparent;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  padding-bottom: 1.25rem;
}

/* Footer */
.main-footer {
  background: var(--primary-navy-dark);
  color: #94a3b8;
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand .logo-title {
  color: #fff;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-top: 1rem;
  color: #94a3b8;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--accent-copper);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
}

.medical-disclaimer {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  line-height: 1.5;
  margin-top: 2rem;
  color: #64748b;
}

/* Responsive Page Layout Helper Classes */
.formula-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  align-items: center;
}

.formula-comp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.formula-cta-row {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.posology-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.story-discovery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.cart-trust-badges {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: center;
}

.thank-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.thank-order-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.articles-2col-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  max-width: 960px;
  margin: 0 auto;
  gap: 2.5rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-guarantees {
    justify-content: center;
  }
  .hero-doctor-badge {
    text-align: left;
  }
  .cards-grid-3, .bundles-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  .bundle-card.popular {
    transform: none;
  }
  .bundle-card.popular:hover {
    transform: translateY(-4px);
  }
  .story-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 991px) {
  .nav-menu {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
}

@media (max-width: 900px) {
  .formula-hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .top-notice-bar .badges-row {
    display: none;
  }
  .hero-title {
    font-size: 2.15rem;
  }
  .interactive-tools-list {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .posology-grid {
    grid-template-columns: 1fr;
  }
  .articles-2col-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
  }
}

@media (max-width: 640px) {
  .formula-comp-grid {
    grid-template-columns: 1fr;
  }
  .formula-cta-row a {
    width: 100%;
    text-align: center;
  }
  .story-discovery-grid {
    grid-template-columns: 1fr;
  }
  .cart-trust-badges {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .thank-steps-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .thank-order-details-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .cart-toggle-btn .cart-btn-text {
    display: none;
  }
  .cart-toggle-btn {
    padding: 0.45rem 0.65rem;
  }
  .brand-logo .logo-title {
    font-size: 0.95rem;
  }
  .brand-logo .logo-sub {
    display: none;
  }
}