/* ==========================================================================
   NeuroRegen Polska - Centrum Profilaktyki i Edukacji o Neuropatii Obwodowej
   Modern, Clean, Google Ads Fully Compliant Medical & Health Theme
   ========================================================================== */

:root {
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-dark: #075985;
  --primary-light: #e0f2fe;
  
  --secondary: #0d9488;
  --secondary-hover: #0f766e;
  --secondary-light: #ccfbf1;
  
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;
  --accent-indigo: #4f46e5;
  
  --dark: #0f172a;
  --dark-slate: #1e293b;
  --dark-subtle: #334155;
  --text-main: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --bg-page: #f8fafc;
  --bg-white: #ffffff;
  --bg-alt: #f1f5f9;
  --border-color: #e2e8f0;
  --border-light: #edf2f7;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-card: 0 8px 20px -2px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 16px 32px -4px rgba(2, 132, 199, 0.14);
  
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

body {
  font-family: var(--font-base);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --------------------------------------------------
   Top Medical Notice Bar
   -------------------------------------------------- */
.top-notice-bar {
  background: var(--dark-slate);
  color: #cbd5e1;
  font-size: 0.82rem;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.top-notice-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.live-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

.top-phone-link {
  color: #ffffff;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-phone-link:hover {
  color: var(--primary-light);
}

/* --------------------------------------------------
   Site Header & Navigation
   -------------------------------------------------- */
.site-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
}

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

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.15;
  letter-spacing: -0.5px;
}

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

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--dark-slate);
  padding: 8px 4px;
  position: relative;
  transition: color 0.2s ease;
}

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

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

.nav-cta-btn {
  background: var(--primary);
  color: #ffffff !important;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.28);
  transition: all 0.2s ease;
}

.nav-cta-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--dark);
  font-size: 1.2rem;
  cursor: pointer;
}

/* --------------------------------------------------
   Buttons & Common UI
   -------------------------------------------------- */
.btn-primary {
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.96rem;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.25);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.32);
}

.btn-secondary {
  background: var(--bg-white);
  color: var(--dark-slate);
  font-weight: 600;
  font-size: 0.96rem;
  padding: 13px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-1px);
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--secondary-light);
  color: var(--secondary-hover);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 46px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------
   Hero Section
   -------------------------------------------------- */
.hero-section {
  padding: 64px 0 56px;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-page) 100%);
  border-bottom: 1px solid var(--border-color);
}

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

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.85rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.18;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero-title span {
  color: var(--primary);
  background: linear-gradient(120deg, #0284c7 0%, #0d9488 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.12rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 34px;
}

.highlight-box {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  padding: 16px 14px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.highlight-num {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.highlight-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.35;
  font-weight: 500;
}

.hero-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--bg-white);
}

.hero-main-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.hero-floating-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(12px);
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  gap: 14px;
  color: #ffffff;
}

.hero-floating-badge i {
  font-size: 1.8rem;
  color: #38bdf8;
}

.floating-text strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
}

.floating-text span {
  font-size: 0.8rem;
  color: #94a3b8;
}

/* --------------------------------------------------
   Clinical & Physiological Section
   -------------------------------------------------- */
.clinical-section {
  padding: 80px 0;
  background: var(--bg-white);
}

.clinical-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 54px;
}

.clinical-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-color);
}

.clinical-img-wrap img {
  width: 100%;
  height: 430px;
  object-fit: cover;
}

.clinical-text h2 {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 18px;
}

.clinical-text p {
  color: var(--text-muted);
  font-size: 1.02rem;
  margin-bottom: 24px;
}

.clinical-points-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.clinical-points-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--bg-page);
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.clinical-points-list li i {
  color: var(--primary);
  font-size: 1.25rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.clinical-points-list strong {
  color: var(--dark);
  display: block;
  margin-bottom: 3px;
  font-size: 0.96rem;
}

.clinical-points-list span {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* --------------------------------------------------
   Biomechanics Diagram Showcase Section
   -------------------------------------------------- */
.biomech-section {
  padding: 72px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.biomech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.biomech-img-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid #334155;
}

/* --------------------------------------------------
   Interactive Neuropathy Assessment Tool
   -------------------------------------------------- */
.assessment-section {
  padding: 84px 0;
  background: var(--bg-page);
}

.assessment-shell {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  max-width: 1040px;
  margin: 0 auto;
}

.assessment-header {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-slate) 100%);
  color: #ffffff;
  padding: 30px 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.assessment-header-title h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.assessment-header-title p {
  color: #94a3b8;
  font-size: 0.9rem;
}

.assessment-status-badge {
  background: rgba(2, 132, 199, 0.25);
  border: 1px solid #0284c7;
  color: #38bdf8;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
}

.assessment-body {
  padding: 36px;
}

.symptom-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 30px;
}

.symptom-choice-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  background: var(--bg-page);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.symptom-choice-card:hover {
  border-color: var(--primary-light);
  background: #f0f9ff;
}

.symptom-choice-card.selected {
  border-color: var(--primary);
  background: #f0f9ff;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.12);
}

.symptom-check-box {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 2px solid #cbd5e1;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #ffffff;
  font-size: 0.8rem;
  transition: all 0.2s ease;
  margin-top: 2px;
}

.symptom-choice-card.selected .symptom-check-box {
  background: var(--primary);
  border-color: var(--primary);
}

.symptom-info strong {
  display: block;
  font-size: 0.96rem;
  color: var(--dark);
  margin-bottom: 3px;
}

.symptom-info span {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
  display: block;
}

.additional-factors {
  background: var(--bg-alt);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: 30px;
}

.additional-factors h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.factor-ranges-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.factor-item label {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--dark-slate);
  margin-bottom: 8px;
}

.factor-item input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
}

.factor-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 4px;
}

.assessment-action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 10px;
}

.assessment-privacy-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Assessment Result Box */
.assessment-result-box {
  display: none;
  margin-top: 36px;
  padding: 30px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 100%);
  border: 2px solid #bae6fd;
}

.result-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}

.result-badge-col h4 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--dark);
  margin: 6px 0;
}

.result-badge-col p {
  color: var(--dark-subtle);
  font-size: 0.95rem;
  max-width: 580px;
}

.result-score-circle {
  width: 100px;
  height: 100px;
  background: #ffffff;
  border-radius: 50%;
  border: 4px solid var(--primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.score-num {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.score-txt {
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 3px;
}

.result-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}

.pillar-item {
  background: #ffffff;
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid #bae6fd;
}

.pillar-item strong {
  display: block;
  font-size: 0.84rem;
  color: var(--dark);
  margin-bottom: 4px;
}

.pillar-item p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.35;
  margin-bottom: 8px;
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background: #e2e8f0;
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.6s ease-in-out;
}

.result-recommendation {
  background: #ffffff;
  padding: 20px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
  margin-bottom: 24px;
}

.result-recommendation h5 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--dark);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-recommendation p {
  font-size: 0.9rem;
  color: var(--text-main);
  line-height: 1.6;
}

.result-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* --------------------------------------------------
   Active Compounds & Nutra Evidence Section
   -------------------------------------------------- */
.nutra-section {
  padding: 84px 0;
  background: var(--bg-white);
}

.nutra-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 48px;
}

.nutra-card {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.nutra-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-card);
  background: #ffffff;
}

.nutra-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 14px;
}

.tag-blue { background: #e0f2fe; color: #0369a1; }
.tag-teal { background: #ccfbf1; color: #0f766e; }
.tag-purple { background: #f3e8ff; color: #7e22ce; }
.tag-emerald { background: #d1fae5; color: #047857; }
.tag-amber { background: #fef3c7; color: #b45309; }
.tag-rose { background: #ffe4e6; color: #be123c; }

.nutra-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.nutra-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
}

.nutra-mechanism {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.78rem;
  color: var(--dark-slate);
}

.nutra-mechanism strong {
  color: var(--primary-dark);
}

.nutra-showcase-banner {
  background: linear-gradient(135deg, var(--dark-slate) 0%, var(--dark) 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  color: #ffffff;
  box-shadow: var(--shadow-lg);
}

.nutra-showcase-text {
  padding: 48px;
}

.nutra-showcase-text h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.nutra-showcase-text p {
  color: #94a3b8;
  font-size: 0.98rem;
  line-height: 1.65;
  margin-bottom: 24px;
}

.nutra-banner-img img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

/* --------------------------------------------------
   FAQ Section
   -------------------------------------------------- */
.faq-section {
  padding: 80px 0;
  background: var(--bg-alt);
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

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

.faq-question i {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}

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

.faq-answer {
  display: none;
  padding: 0 24px 22px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

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

/* --------------------------------------------------
   Articles / Knowledge Base Styling
   -------------------------------------------------- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-bottom: 40px;
}

.article-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--primary-light);
}

.article-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.article-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.35;
  margin-bottom: 10px;
}

.article-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 18px;
  flex-grow: 1;
}

.article-read-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-read-link:hover {
  gap: 10px;
}

/* Single Article Full Page */
.single-article-content {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 0 72px;
}

.article-header {
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
}

.article-header h1 {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.22;
  margin: 14px 0;
}

.article-author-box {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.article-body-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--dark-subtle);
}

.article-body-text h2 {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--dark);
  margin: 36px 0 16px;
}

.article-body-text h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin: 28px 0 12px;
}

.article-body-text p {
  margin-bottom: 20px;
}

.article-body-text ul {
  list-style: disc;
  margin: 18px 0 24px 24px;
}

.article-body-text li {
  margin-bottom: 10px;
}

.callout-box {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  margin: 28px 0;
}

.callout-box strong {
  color: var(--primary-dark);
  display: block;
  margin-bottom: 6px;
}

/* --------------------------------------------------
   Contact & About Page Styles
   -------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 36px;
}

.contact-card, .form-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 7px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--dark);
  background: var(--bg-page);
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-success-box {
  display: none;
  background: #dcfce7;
  border: 1px solid #86efac;
  color: #166534;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  margin-top: 20px;
  font-size: 0.94rem;
}

/* Legal Pages */
.legal-wrapper {
  max-width: 860px;
  margin: 0 auto;
  padding: 56px 0 80px;
}

.legal-card {
  background: var(--bg-white);
  padding: 48px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.legal-card h1 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}

.legal-update {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark);
  margin: 28px 0 12px;
}

.legal-content p {
  color: var(--dark-subtle);
  font-size: 0.96rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.legal-content ul {
  list-style: disc;
  margin: 12px 0 20px 24px;
  color: var(--dark-subtle);
  font-size: 0.95rem;
}

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

/* --------------------------------------------------
   Google Ads Compliant Footer
   -------------------------------------------------- */
.site-footer {
  background: var(--dark);
  color: #94a3b8;
  padding: 68px 0 28px;
  border-top: 1px solid #1e293b;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
  gap: 36px;
  margin-bottom: 46px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col p {
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 14px;
}

.footer-links li {
  margin-bottom: 9px;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #38bdf8;
  padding-left: 3px;
}

.contact-info-list li {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.86rem;
  line-height: 1.45;
}

.contact-info-list li i {
  color: var(--primary);
  margin-top: 3px;
}

.contact-info-list strong {
  color: #ffffff;
}

.policy-disclaimer-box {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid #334155;
  border-radius: var(--radius-md);
  padding: 22px 24px;
  margin-bottom: 36px;
}

.policy-disclaimer-box h5 {
  font-family: var(--font-heading);
  color: #f59e0b;
  font-size: 0.92rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.policy-disclaimer-box p {
  font-size: 0.82rem;
  line-height: 1.65;
  color: #94a3b8;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
}

/* --------------------------------------------------
   GDPR Cookie Banner
   -------------------------------------------------- */
.cookie-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--dark-slate);
  color: #ffffff;
  padding: 18px 0;
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.cookie-content p {
  font-size: 0.86rem;
  color: #cbd5e1;
  max-width: 850px;
  line-height: 1.5;
}

.btn-cookie-accept {
  background: var(--primary);
  color: #ffffff;
  border: none;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease;
}

.btn-cookie-accept:hover {
  background: var(--primary-hover);
}

/* --------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------- */
@media (max-width: 992px) {
  .hero-grid,
  .clinical-grid,
  .biomech-grid,
  .nutra-showcase-banner,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .hero-title {
    font-size: 2.3rem;
  }
  
  .hero-main-img {
    height: 380px;
  }
  
  .nutra-cards-grid,
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .result-pillars {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-notice-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-list {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 20px;
    border-bottom: 2px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    gap: 14px;
    align-items: flex-start;
  }
  
  .nav-list.open {
    display: flex;
  }
  
  .hero-title {
    font-size: 1.95rem;
  }
  
  .hero-highlights {
    grid-template-columns: 1fr;
  }
  
  .symptom-cards-grid,
  .factor-ranges-grid,
  .nutra-cards-grid,
  .articles-grid,
  .footer-top-grid,
  .result-pillars {
    grid-template-columns: 1fr;
  }
  
  .assessment-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .assessment-body {
    padding: 20px;
  }
  
  .legal-card {
    padding: 24px;
  }
}