/* ==========================================================================
   OptiWzrok Polska - Instytut Zdrowia Narządu Wzroku
   Główny arkusz stylów (Modern Compliant Whitehat Medical Portal)
   ========================================================================== */

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

:root {
  --primary: #0284c7;           /* Sky / Ophthalmology Medical Blue */
  --primary-dark: #0369a1;
  --primary-light: #38bdf8;
  --primary-subtle: #f0f9ff;
  --primary-glow: rgba(2, 132, 199, 0.18);
  
  --secondary: #0f766e;         /* Medical Teal */
  --secondary-light: #14b8a6;
  --secondary-subtle: #f0fdfa;
  
  --accent: #f59e0b;            /* Warm Amber (Lutein & Carotenoid glow) */
  --accent-light: #fef3c7;
  
  --dark: #0f172a;              /* Deep Slate */
  --dark-surface: #1e293b;
  --text-main: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border-color: #e2e8f0;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 30px -4px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.06);
  --shadow-xl: 0 20px 40px -6px rgba(2, 132, 199, 0.22);
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--dark);
  font-weight: 700;
  line-height: 1.25;
}

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

a:hover {
  color: var(--primary-dark);
}

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

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Compliance Top Bar (Google Ads Safe Trust Signals)
   ========================================================================== */
.compliance-topbar {
  background: #0f172a;
  color: #cbd5e1;
  font-size: 0.8rem;
  padding: 8px 0;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  letter-spacing: 0.2px;
}

.compliance-topbar a {
  color: #38bdf8;
  text-decoration: underline;
  margin-left: 6px;
  font-weight: 500;
}

.compliance-topbar a:hover {
  color: #7dd3fc;
}

/* ==========================================================================
   Utility Bar
   ========================================================================== */
.utility-bar {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 8px 0;
}

.utility-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.utility-info {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.utility-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.utility-item i {
  color: var(--primary);
  font-size: 0.9rem;
}

.utility-actions a {
  color: var(--text-muted);
  font-weight: 600;
}

.utility-actions a:hover {
  color: var(--primary);
}

/* ==========================================================================
   Site Header & Navigation
   ========================================================================== */
.site-header {
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 14px rgba(15, 23, 42, 0.06);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-badge {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px var(--primary-glow);
  flex-shrink: 0;
}

.logo-badge svg {
  width: 24px;
  height: 24px;
}

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

.logo-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.logo-title span {
  color: var(--primary);
}

.logo-subtitle {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: nowrap;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  position: relative;
  padding: 8px 0;
  white-space: nowrap; /* Prevents text from breaking into multiple lines */
  display: inline-flex;
  align-items: center;
  line-height: 1.2;
  transition: var(--transition);
  flex-shrink: 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background: var(--primary);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-actions .btn {
  padding: 10px 18px;
  font-size: 0.88rem;
  white-space: nowrap;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  cursor: pointer;
  padding: 6px;
}

#mobile-nav-drawer {
  position: absolute;
  top: 80px;
  left: 0;
  width: 100%;
  background: white;
  border-bottom: 2px solid var(--border-color);
  padding: 20px 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#mobile-nav-drawer.hidden {
  display: none;
}

/* ==========================================================================
   Buttons & UI Elements
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.2;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: white;
  color: var(--dark);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-light);
  border-color: var(--text-light);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--primary-subtle);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px auto;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 70px 0 80px 0;
  background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.12), transparent 50%),
              radial-gradient(circle at bottom left, rgba(15, 118, 110, 0.08), transparent 50%),
              #ffffff;
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.hero-title {
  font-size: 3.1rem;
  line-height: 1.18;
  letter-spacing: -1px;
  margin-bottom: 22px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--text-main);
  margin-bottom: 32px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-trust-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--dark);
}

.trust-item i {
  color: #059669;
  font-size: 1.1rem;
}

.hero-card-wrapper {
  position: relative;
}

.hero-graphic-card {
  background: linear-gradient(145deg, #ffffff, #f0f9ff);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.eye-illustration-container {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px 0;
}

.hero-floating-stat {
  position: absolute;
  bottom: -20px;
  right: -10px;
  background: white;
  border-radius: var(--radius-md);
  padding: 16px 22px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--border-color);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.floating-stat-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-subtle);
  color: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.floating-stat-num {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.1;
}

.floating-stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ==========================================================================
   Interactive Quiz Section
   ========================================================================== */
.quiz-section {
  padding: 90px 0;
  background: #f8fafc;
  position: relative;
}

.quiz-container {
  max-width: 860px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 40px;
}

.quiz-progress-bar-wrap {
  margin-bottom: 34px;
}

.quiz-progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.quiz-progress-bar-bg {
  width: 100%;
  height: 8px;
  background: #e2e8f0;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  width: 16.6%;
  background: linear-gradient(90deg, var(--primary), var(--secondary-light));
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

.quiz-category-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.quiz-q-title {
  font-size: 1.45rem;
  margin-bottom: 8px;
  color: var(--dark);
}

.quiz-q-hint {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.quiz-option-btn {
  background: #ffffff;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.quiz-option-btn:hover {
  border-color: var(--primary);
  background: var(--primary-subtle);
  transform: translateX(4px);
}

.quiz-opt-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
}

.quiz-opt-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Quiz Result View */
.quiz-result-view {
  display: none;
}

.quiz-result-view.active {
  display: block;
}

.result-badge {
  text-align: center;
  padding: 30px;
  background: linear-gradient(145deg, #f0fdf4, #ecfdf5);
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
}

.result-meter {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: conic-gradient(var(--primary) 0deg, #e2e8f0 0deg);
  margin: 0 auto 20px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.2);
}

.result-meter-inner {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.result-meter-score {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
}

.result-meter-text {
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  margin-top: 4px;
}

.result-status-title {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.result-status-desc {
  font-size: 1rem;
  color: var(--text-main);
  max-width: 620px;
  margin: 0 auto;
}

.result-pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.result-pillar-item {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}

.pillar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--dark);
  margin-bottom: 8px;
}

.pillar-icon {
  width: 36px;
  height: 36px;
  background: var(--primary-subtle);
  color: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.pillar-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.pdf-download-card {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  border-radius: var(--radius-md);
  padding: 28px;
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.pdf-info-group h4 {
  color: white;
  font-size: 1.25rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pdf-info-group p {
  color: #94a3b8;
  font-size: 0.9rem;
  max-width: 480px;
}

.pdf-btn {
  background: linear-gradient(135deg, #059669, #10b981);
  color: white;
  border: none;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.pdf-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

/* ==========================================================================
   Science Section
   ========================================================================== */
.science-section {
  padding: 90px 0;
  background: white;
  border-bottom: 1px solid var(--border-color);
}

.science-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.science-image-wrap {
  background: linear-gradient(145deg, #f0f9ff, #e0f2fe);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.science-step-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 28px;
}

.science-step-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.science-step-num {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 10px var(--primary-glow);
}

.science-step-content h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.science-step-content p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Nutrients / Encyclopedia Section
   ========================================================================== */
.foods-section {
  padding: 90px 0;
  background: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
}

.food-filter-bar {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 20px;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.foods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 24px;
}

.food-card {
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.food-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(2, 132, 199, 0.4);
}

.food-card-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.food-card-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  margin-bottom: 6px;
}

.food-card-title {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.food-active-compound {
  font-size: 0.82rem;
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 14px;
  display: inline-block;
  background: var(--secondary-subtle);
  padding: 3px 8px;
  border-radius: 6px;
}

.food-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.food-benefits-list {
  list-style: none;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.food-benefits-list li {
  font-size: 0.85rem;
  color: var(--dark);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.food-benefits-list i {
  color: #059669;
  font-size: 0.85rem;
}

/* ==========================================================================
   Expert Quote Section
   ========================================================================== */
.expert-section {
  padding: 80px 0;
  background: white;
  border-bottom: 1px solid var(--border-color);
}

.expert-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 50px;
  align-items: center;
}

.expert-avatar-card {
  background: linear-gradient(145deg, #f0f9ff, #e0f2fe);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.expert-photo-placeholder {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  margin: 0 auto 16px auto;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: var(--primary);
  border: 4px solid white;
  box-shadow: var(--shadow-md);
}

.expert-quote {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-main);
  font-style: italic;
  margin: 20px 0;
  position: relative;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials-section {
  padding: 90px 0;
  background: #f8fafc;
  border-bottom: 1px solid var(--border-color);
}

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

.testimonial-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.testimonial-stars {
  color: #f59e0b;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.testimonial-quote {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 24px;
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.author-avatar {
  width: 42px;
  height: 42px;
  background: var(--primary-subtle);
  color: var(--primary);
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

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

.author-loc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 90px 0;
  background: white;
  border-bottom: 1px solid var(--border-color);
}

.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.08);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: white;
  border: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

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

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

.faq-answer {
  display: none;
  padding: 0 24px 22px 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   Newsletter Section
   ========================================================================== */
.newsletter-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: white;
}

.newsletter-box {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-box h3 {
  color: white;
  font-size: 2rem;
  margin-bottom: 12px;
}

.newsletter-box p {
  color: #94a3b8;
  font-size: 1rem;
  margin-bottom: 28px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto 16px auto;
}

.newsletter-input {
  flex-grow: 1;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: 1px solid #334155;
  background: #0f172a;
  color: white;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.newsletter-input:focus {
  border-color: var(--primary-light);
}

.newsletter-disclaimer {
  font-size: 0.78rem;
  color: #64748b;
}

/* ==========================================================================
   Site Footer
   ========================================================================== */
.site-footer {
  background: #090d16;
  color: #94a3b8;
  padding: 80px 0 30px 0;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand p {
  margin-top: 18px;
  line-height: 1.7;
  font-size: 0.88rem;
  color: #64748b;
}

.footer-col h5 {
  color: white;
  font-size: 1.05rem;
  margin-bottom: 20px;
}

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

.footer-links a {
  color: #94a3b8;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
  transform: translateX(3px);
  display: inline-block;
}

.footer-contact-info {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-info li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #94a3b8;
}

.footer-contact-info i {
  color: var(--primary-light);
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Bottom Compliance Bar (Strict Google Ads Medical Safe)
   ========================================================================== */
.compliance-bottombar {
  background: #020617;
  color: #64748b;
  font-size: 0.78rem;
  padding: 16px 0;
  line-height: 1.6;
  text-align: center;
  border-top: 1px solid #0f172a;
}

.compliance-bottombar strong {
  color: #94a3b8;
}

/* ==========================================================================
   Cookie Consent Banner
   ========================================================================== */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 580px;
  margin: 0 auto;
  background: #0f172a;
  color: white;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  border: 1px solid #334155;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.cookie-banner.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
}

.cookie-banner p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #cbd5e1;
}

.cookie-banner a {
  color: #38bdf8;
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 10px;
}

/* ==========================================================================
   Scroll Top Button & Toast
   ========================================================================== */
.scroll-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 46px;
  height: 46px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  top: 24px;
  right: 24px;
  background: #0f172a;
  color: white;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10000;
  font-size: 0.9rem;
  border-left: 4px solid var(--primary);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   Subpages Style Helpers (About, Contact, Articles, Legal)
   ========================================================================== */
.page-hero {
  padding: 50px 0;
  background: #f1f5f9;
  border-bottom: 1px solid var(--border-color);
}

.page-hero h1 {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.legal-content-wrap {
  padding: 60px 0;
  background: white;
}

.legal-content-box {
  max-width: 860px;
  margin: 0 auto;
  line-height: 1.8;
  color: #334155;
}

.legal-content-box h2 {
  font-size: 1.6rem;
  margin: 32px 0 14px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.legal-content-box h3 {
  font-size: 1.25rem;
  margin: 24px 0 10px 0;
}

.legal-content-box p {
  margin-bottom: 16px;
}

.legal-content-box ul {
  margin-bottom: 20px;
  padding-left: 24px;
}

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

/* Contact Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 60px 0;
}

.contact-card {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
}

.contact-form-group {
  margin-bottom: 18px;
}

.contact-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--dark);
}

.contact-input,
.contact-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.92rem;
  outline: none;
  transition: var(--transition);
}

.contact-input:focus,
.contact-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .science-grid,
  .expert-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  .hero-title {
    font-size: 2.6rem;
  }
}

@media (max-width: 1080px) {
  .main-nav,
  .header-actions .btn {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
}

@media (max-width: 1024px) {
  .hero-grid,
  .science-grid,
  .expert-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  .hero-title {
    font-size: 2.6rem;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.1rem;
  }
  
  .result-pillars-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .pdf-download-card {
    flex-direction: column;
    text-align: center;
  }
  
  .pdf-btn {
    width: 100%;
    justify-content: center;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .utility-bar {
    display: none;
  }
}