/* ============================================================
   Klein BYME — Design System
   Clinical Biophilic: Sage Green / Clinical White / Premium Gold
   ============================================================ */

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

:root {
  /* Primary Palette */
  --sage-900: #2d3b2d;
  --sage-800: #3a4f3a;
  --sage-700: #4a6b4a;
  --sage-600: #5a855a;
  --sage-500: #6b9f6b;
  --sage-400: #8ab88a;
  --sage-300: #a8d0a8;
  --sage-200: #c6e4c6;
  --sage-100: #e2f4e2;
  --sage-50:  #f4fbf4;

  /* Gold Accent */
  --gold-700: #8b6914;
  --gold-600: #b8860b;
  --gold-500: #d4a017;
  --gold-400: #e8b830;
  --gold-300: #f0cc5a;
  --gold-200: #f5dda0;
  --gold-100: #faf0cc;
  --gold-50:  #fdf8eb;

  /* Neutrals */
  --white:    #ffffff;
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Typography */
  --font-heading: 'Noto Sans Thai', 'Noto Sans', sans-serif;
  --font-body:    'Noto Sans Thai', 'Noto Sans', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.3s;
}

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

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--sage-900);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1rem, 2vw, 1.25rem); }

p { margin-bottom: var(--space-md); color: var(--gray-600); }

.lead { font-size: 1.15rem; color: var(--gray-700); max-width: 700px; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section { padding: var(--space-4xl) 0; }
.section-sm { padding: var(--space-2xl) 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2xl); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }

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

/* --- Colors Utility --- */
.text-sage { color: var(--sage-700); }
.text-gold { color: var(--gold-600); }
.text-white { color: var(--white); }
.bg-sage-50 { background: var(--sage-50); }
.bg-sage-100 { background: var(--sage-100); }
.bg-sage-800 { background: var(--sage-800); }
.bg-sage-900 { background: var(--sage-900); }
.bg-gold-50 { background: var(--gold-50); }
.bg-gray-50 { background: var(--gray-50); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--ease) var(--duration);
  white-space: nowrap;
}

.btn-primary {
  background: var(--sage-700);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--sage-800);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-gold {
  background: var(--gold-600);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-gold:hover {
  background: var(--gold-700);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline {
  border: 2px solid var(--sage-700);
  color: var(--sage-700);
}
.btn-outline:hover {
  background: var(--sage-700);
  color: var(--white);
}

.btn-outline-white {
  border: 2px solid var(--white);
  color: var(--white);
}
.btn-outline-white:hover {
  background: var(--white);
  color: var(--sage-800);
}

.btn-lg { padding: 1rem 2.25rem; font-size: 1.05rem; }
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.85rem; }

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--ease) var(--duration);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 170px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--sage-800);
  letter-spacing: -0.02em;
}

.logo-img {
  height: 144px;
  width: auto;
  display: block;
}

.logo-img-footer {
  height: 96px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--sage-700);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 900;
  font-size: 1rem;
}

.nav { display: flex; align-items: center; gap: var(--space-xl); }

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--ease) var(--duration);
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--sage-600);
  transition: width var(--ease) var(--duration);
}

.nav a:hover { color: var(--sage-700); }
.nav a:hover::after { width: 100%; }

.nav-cta .btn { padding: 0.55rem 1.25rem; font-size: 0.85rem; }
.nav-cta .btn-primary,
.nav-cta .btn-primary:hover { color: var(--white); }

/* Mobile Nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  transition: all var(--ease) var(--duration);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 170px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 999;
  padding: var(--space-xl);
  flex-direction: column;
  gap: var(--space-lg);
}

.mobile-nav.active { display: flex; }

.mobile-nav a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-800);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--gray-100);
}

@media (max-width: 900px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 170px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--sage-50) 0%, var(--gold-50) 50%, var(--sage-100) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(107,159,107,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212,160,23,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  margin-bottom: var(--space-lg);
  color: var(--sage-900);
}

.hero-content h1 span {
  color: var(--gold-600);
  display: block;
}

.hero-content .lead {
  margin-bottom: var(--space-xl);
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--white);
  border: 1px solid var(--sage-200);
  border-radius: var(--radius-xl);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sage-700);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--sage-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-visual { order: -1; }
  .hero { min-height: auto; padding: calc(170px + var(--space-3xl)) 0 var(--space-3xl); }
}

/* --- Trust Bar --- */
.trust-bar {
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  padding: var(--space-lg) 0;
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
}

.trust-icon {
  width: 32px;
  height: 32px;
  background: var(--sage-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-header h2 { margin-bottom: var(--space-md); }

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold-600);
  margin-bottom: var(--space-sm);
}

/* --- Paradigm Shift Section --- */
.paradigm {
  background: var(--sage-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.paradigm::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.paradigm .container { position: relative; z-index: 1; }
.paradigm h2 { color: var(--white); }
.paradigm .section-label { color: var(--gold-400); }
.paradigm p { color: rgba(255,255,255,0.8); }

.paradigm-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.paradigm-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--ease) var(--duration);
}

.paradigm-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}

.paradigm-card-icon {
  width: 56px;
  height: 56px;
  background: var(--gold-600);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 1.5rem;
}

.paradigm-card h3 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.paradigm-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
}

@media (max-width: 768px) {
  .paradigm-grid { grid-template-columns: 1fr; }
}

/* --- Product Gateway Cards --- */
.product-gateway {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.pg-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--ease) var(--duration);
  position: relative;
}

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

.pg-card-img {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
}

.pg-card-img.tablet { background: linear-gradient(135deg, var(--sage-100), var(--sage-200)); }
.pg-card-img.oil { background: linear-gradient(135deg, var(--gold-100), var(--gold-200)); }
.pg-card-img.lotion { background: linear-gradient(135deg, var(--sage-50), var(--gold-50)); }

.pg-card-body { padding: var(--space-xl); }

.pg-card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-sm);
}

.pg-card-tag.rx {
  background: var(--sage-100);
  color: var(--sage-700);
}

.pg-card-tag.otc {
  background: var(--gold-100);
  color: var(--gold-700);
}

.pg-card h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.pg-card p {
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
}

@media (max-width: 900px) {
  .product-gateway { grid-template-columns: 1fr; }
}

/* --- Trust Signals / Awards --- */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.award-card {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: all var(--ease) var(--duration);
}

.award-card:hover {
  border-color: var(--gold-400);
  box-shadow: var(--shadow-md);
}

.award-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.award-card h4 {
  font-size: 0.95rem;
  color: var(--sage-800);
  margin-bottom: var(--space-xs);
}

.award-card p {
  font-size: 0.8rem;
  color: var(--gray-500);
}

@media (max-width: 768px) {
  .awards-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Consultation Funnel --- */
.consultation-hero {
  background: linear-gradient(135deg, var(--sage-800), var(--sage-900));
  color: var(--white);
  padding: calc(170px + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
}

.consultation-hero h1 { color: var(--white); }
.consultation-hero p { color: rgba(255,255,255,0.8); }

.consultation-steps {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  flex-wrap: wrap;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  max-width: 180px;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--gold-600);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.step-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  color: rgba(255,255,255,0.9);
}

/* --- Form Styles --- */
.form-section {
  max-width: 720px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-700);
  margin-bottom: var(--space-xs);
}

.form-group label .required {
  color: #dc2626;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  transition: border-color var(--ease) var(--duration);
  background: var(--white);
}

.form-control:focus {
  outline: none;
  border-color: var(--sage-500);
  box-shadow: 0 0 0 3px rgba(90,133,90,0.15);
}

.form-control::placeholder {
  color: var(--gray-400);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-hint {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: var(--space-xs);
}

/* --- Pain Scale --- */
.pain-scale {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.pain-scale input[type="radio"] { display: none; }

.pain-scale label {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--ease) var(--duration);
  border: 2px solid var(--gray-200);
  color: var(--gray-600);
}

.pain-scale input[type="radio"]:checked + label {
  background: var(--sage-700);
  border-color: var(--sage-700);
  color: var(--white);
}

.pain-scale label:hover {
  border-color: var(--sage-500);
}

/* --- Product Detail Page --- */
.product-hero {
  padding: calc(170px + var(--space-3xl)) 0 var(--space-3xl);
  background: var(--sage-50);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.product-image {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  font-size: 6rem;
}

.product-info h1 {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.product-info .badge-rx {
  display: inline-block;
  background: var(--sage-100);
  color: var(--sage-700);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-md);
}

.product-info .badge-otc {
  display: inline-block;
  background: var(--gold-100);
  color: var(--gold-700);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-md);
}

.product-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.product-detail-section {
  padding: var(--space-3xl) 0;
}

.product-detail-section h2 {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--sage-200);
}

/* --- Research / Science Hub --- */
.research-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--ease) var(--duration);
}

.research-card:hover {
  box-shadow: var(--shadow-md);
}

.research-card-body { padding: var(--space-xl); }

.research-card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sage-600);
  background: var(--sage-100);
  padding: 3px 10px;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-sm);
}

.research-card h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.research-card p {
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

.research-card .citation {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-style: italic;
  padding-top: var(--space-md);
  border-top: 1px solid var(--gray-100);
}

/* --- Accordion / FAQ --- */
.accordion-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gray-800);
  background: var(--white);
  cursor: pointer;
  transition: all var(--ease) var(--duration);
}

.accordion-header:hover { background: var(--sage-50); }

.accordion-header::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--sage-600);
  transition: transform var(--ease) var(--duration);
}

.accordion-item.active .accordion-header::after {
  content: '−';
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--ease) 0.4s;
}

.accordion-body-inner {
  padding: 0 var(--space-lg) var(--space-md);
  font-size: 0.9rem;
  color: var(--gray-600);
}

/* --- Footer --- */
.footer {
  background: var(--sage-900);
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.footer a {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  padding: 4px 0;
  transition: color var(--ease) var(--duration);
}

.footer a:hover { color: var(--gold-400); }

.footer-brand p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-top: var(--space-sm);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* Medical Disclaimer Box */
.disclaimer-box {
  background: var(--gold-50);
  border: 1px solid var(--gold-200);
  border-left: 4px solid var(--gold-600);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
}

.disclaimer-box h4 {
  color: var(--gold-700);
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

.disclaimer-box p {
  font-size: 0.8rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.disclaimer-footer {
  background: rgba(0,0,0,0.2);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-top: var(--space-xl);
}

.disclaimer-footer p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* --- Utilities --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.w-full { width: 100%; }

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.6s var(--ease);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: var(--space-lg);
}

.breadcrumb a { color: var(--sage-600); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--gray-400); }

/* --- Table --- */
.table-responsive { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

th {
  background: var(--sage-50);
  font-weight: 700;
  color: var(--sage-800);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td { color: var(--gray-600); }

tr:hover td { background: var(--sage-50); }

/* --- PDPA Consent --- */
.pdpa-box {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-md);
}

.pdpa-box label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--gray-600);
  cursor: pointer;
}

.pdpa-box input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--sage-700);
}

.pdpa-box a {
  color: var(--sage-700);
  text-decoration: underline;
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--sage-800), var(--sage-900));
  color: var(--white);
  text-align: center;
  padding: var(--space-4xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212,160,23,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { color: var(--white); }
.cta-section p { color: rgba(255,255,255,0.8); }

/* --- Stats --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--sage-700);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: var(--space-xs);
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}