/* ===================================================
   PawSmart - Pet Care & Health Guide 2026
   Warm, playful, trustworthy design
   =================================================== */

/* --- CSS Variables --- */
:root {
  --cream: #faf7f2;
  --cream-dark: #f0ebe3;
  --coral: #e17055;
  --coral-light: #fab1a0;
  --coral-dark: #c0392b;
  --teal: #00b894;
  --teal-light: #55efc4;
  --teal-dark: #00a884;
  --purple: #a29bfe;
  --purple-light: #c8c4ff;
  --purple-dark: #6c5ce7;
  --charcoal: #2d3436;
  --gray-700: #4a4a4a;
  --gray-500: #767676;
  --gray-300: #b2bec3;
  --gray-100: #dfe6e9;
  --white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-pill: 999px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

body {
  font-family: 'Nunito', sans-serif;
  background: var(--cream);
  color: var(--charcoal);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Paw print background pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.025;
  background-image:
    radial-gradient(circle 6px at 30px 40px, var(--charcoal) 100%, transparent 100%),
    radial-gradient(circle 4px at 22px 30px, var(--charcoal) 100%, transparent 100%),
    radial-gradient(circle 4px at 38px 30px, var(--charcoal) 100%, transparent 100%),
    radial-gradient(circle 3.5px at 18px 22px, var(--charcoal) 100%, transparent 100%),
    radial-gradient(circle 3.5px at 42px 22px, var(--charcoal) 100%, transparent 100%),
    radial-gradient(circle 6px at 130px 140px, var(--charcoal) 100%, transparent 100%),
    radial-gradient(circle 4px at 122px 130px, var(--charcoal) 100%, transparent 100%),
    radial-gradient(circle 4px at 138px 130px, var(--charcoal) 100%, transparent 100%),
    radial-gradient(circle 3.5px at 118px 122px, var(--charcoal) 100%, transparent 100%),
    radial-gradient(circle 3.5px at 142px 122px, var(--charcoal) 100%, transparent 100%);
  background-size: 200px 200px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Baloo 2', 'Nunito', cursive;
  line-height: 1.2;
  color: var(--charcoal);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 700; }
h4 { font-size: 1.15rem; font-weight: 700; }

p { margin-bottom: 1rem; color: var(--gray-700); }

a {
  color: var(--coral);
  text-decoration: none;
  transition: var(--transition);
}
a:hover { color: var(--coral-dark); }

/* --- Utility --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header .subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 0 auto;
  padding: 8px 0;
}

.section-divider .paw {
  font-size: 1.2rem;
  opacity: 0.3;
}

.section-divider .line {
  width: 60px;
  height: 2px;
  background: var(--gray-300);
  border-radius: 2px;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-coral { background: var(--coral-light); color: var(--coral-dark); }
.badge-teal { background: var(--teal-light); color: var(--teal-dark); }
.badge-purple { background: var(--purple-light); color: var(--purple-dark); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-coral {
  background: var(--coral);
  color: var(--white);
}
.btn-coral:hover {
  background: var(--coral-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(225, 112, 85, 0.35);
}

.btn-teal {
  background: var(--teal);
  color: var(--white);
}
.btn-teal:hover {
  background: var(--teal-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 184, 148, 0.35);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--coral);
  color: var(--coral);
}
.btn-outline:hover {
  background: var(--coral);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition);
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Baloo 2', cursive;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--charcoal);
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--coral);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gray-700);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--coral-light);
  color: var(--coral-dark);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--charcoal);
  padding: 8px;
}

/* --- Hero Section --- */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, var(--cream) 0%, #fef0ec 50%, #e8faf5 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(225, 112, 85, 0.08), transparent 70%);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 184, 148, 0.06), transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal-dark);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.hero h1 {
  margin-bottom: 20px;
}

.hero h1 .highlight-coral { color: var(--coral); }
.hero h1 .highlight-teal { color: var(--teal); }

.hero-description {
  font-size: 1.15rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
}

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

.hero-stat .number {
  font-family: 'Baloo 2', cursive;
  font-size: 2rem;
  font-weight: 800;
  color: var(--coral);
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--gray-500);
  font-weight: 600;
}

/* --- Guide Cards --- */
.guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.guide-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid rgba(0,0,0,0.04);
}

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

.guide-card-header {
  padding: 24px 24px 0;
  display: flex;
  align-items: center;
  gap: 16px;
}

.guide-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.guide-card-icon.coral-bg { background: rgba(225, 112, 85, 0.1); }
.guide-card-icon.teal-bg { background: rgba(0, 184, 148, 0.1); }
.guide-card-icon.purple-bg { background: rgba(162, 155, 254, 0.1); }

.guide-card-body {
  padding: 16px 24px 24px;
}

.guide-card-body h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.guide-card-body p {
  font-size: 0.92rem;
  color: var(--gray-500);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.guide-card .read-more {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--coral);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.guide-card .read-more::after {
  content: '→';
  transition: var(--transition);
}

.guide-card:hover .read-more::after {
  transform: translateX(4px);
}

/* --- Guide Detail (Expanded) --- */
.guide-detail {
  display: none;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px;
  margin-top: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0,0,0,0.04);
  animation: fadeIn 0.4s ease-out;
}

.guide-detail.active {
  display: block;
}

.guide-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--cream);
}

.guide-detail-header h3 {
  font-size: 1.5rem;
}

.guide-detail .close-btn {
  background: var(--cream);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.guide-detail .close-btn:hover {
  background: var(--coral-light);
  color: var(--coral-dark);
}

.guide-detail-content h4 {
  margin: 24px 0 12px;
  color: var(--charcoal);
  font-size: 1.1rem;
}

.guide-detail-content p {
  margin-bottom: 12px;
  line-height: 1.8;
}

.guide-detail-content ul,
.guide-detail-content ol {
  margin: 12px 0 16px 20px;
  color: var(--gray-700);
}

.guide-detail-content li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.guide-detail-content .tip-box {
  background: rgba(0, 184, 148, 0.08);
  border-left: 4px solid var(--teal);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
}

.guide-detail-content .tip-box strong {
  color: var(--teal-dark);
}

.guide-detail-content .warning-box {
  background: rgba(225, 112, 85, 0.08);
  border-left: 4px solid var(--coral);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
}

.guide-detail-content .warning-box strong {
  color: var(--coral-dark);
}

/* --- Category Tabs --- */
.category-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.category-tab {
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-family: 'Nunito', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  border: 2px solid var(--gray-100);
  background: var(--white);
  cursor: pointer;
  transition: var(--transition);
  color: var(--gray-500);
}

.category-tab:hover {
  border-color: var(--coral-light);
  color: var(--coral);
}

.category-tab.active {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--white);
}

.category-tab.active.teal {
  background: var(--teal);
  border-color: var(--teal);
}

/* --- Calculator Section --- */
.calculators {
  background: linear-gradient(135deg, #fef0ec 0%, var(--cream) 50%, #e8faf5 100%);
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 32px;
}

.calc-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0,0,0,0.04);
}

.calc-card h3 {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.calc-card .calc-desc {
  color: var(--gray-500);
  font-size: 0.92rem;
  margin-bottom: 24px;
}

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

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

.form-group select,
.form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-100);
  border-radius: var(--radius-sm);
  font-family: 'Nunito', sans-serif;
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--white);
  color: var(--charcoal);
}

.form-group select:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--coral);
  box-shadow: 0 0 0 4px rgba(225, 112, 85, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.calc-result {
  background: var(--cream);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-top: 20px;
  display: none;
}

.calc-result.visible {
  display: block;
  animation: fadeIn 0.3s ease-out;
}

.calc-result h4 {
  margin-bottom: 12px;
  color: var(--teal-dark);
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.result-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}

.result-item .result-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.result-item .result-value {
  font-family: 'Baloo 2', cursive;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--coral);
}

.result-item .result-value.teal { color: var(--teal); }
.result-item .result-value.purple { color: var(--purple-dark); }

.result-note {
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-top: 12px;
  font-style: italic;
}

/* --- Insurance Comparison Table --- */
.insurance-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0,0,0,0.04);
}

.insurance-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  min-width: 700px;
}

.insurance-table thead th {
  background: var(--charcoal);
  color: var(--white);
  padding: 16px 20px;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.insurance-table thead th:first-child {
  border-radius: var(--radius-md) 0 0 0;
}
.insurance-table thead th:last-child {
  border-radius: 0 var(--radius-md) 0 0;
}

.insurance-table tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.92rem;
}

.insurance-table tbody tr:hover {
  background: rgba(225, 112, 85, 0.03);
}

.insurance-table .provider-name {
  font-weight: 700;
  color: var(--charcoal);
}

.insurance-table .stars {
  color: #f39c12;
}

.insurance-table .best-for {
  font-size: 0.82rem;
  color: var(--teal-dark);
  font-weight: 600;
}

/* --- Vaccination Schedule --- */
.vacc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.vacc-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
}

.vacc-card-header {
  padding: 24px;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 12px;
}

.vacc-card-header.puppy { background: var(--coral); }
.vacc-card-header.kitten { background: var(--teal); }

.vacc-card-header h3 {
  color: var(--white);
  font-size: 1.25rem;
}

.vacc-timeline {
  padding: 24px;
}

.vacc-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
}

.vacc-item:last-child { border-bottom: none; }

.vacc-age {
  min-width: 90px;
  font-weight: 800;
  font-size: 0.88rem;
  color: var(--coral);
  padding-top: 2px;
}

.vacc-card-header.kitten + .vacc-timeline .vacc-age {
  color: var(--teal);
}

.vacc-vaccines {
  flex: 1;
}

.vacc-vaccines .vaccine-name {
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 2px;
}

.vacc-vaccines .vaccine-note {
  font-size: 0.82rem;
  color: var(--gray-500);
}

.vaccine-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  margin-right: 4px;
  margin-bottom: 4px;
}

.vaccine-tag.core { background: rgba(225, 112, 85, 0.12); color: var(--coral-dark); }
.vaccine-tag.optional { background: rgba(162, 155, 254, 0.15); color: var(--purple-dark); }

/* --- Emergency Checklist --- */
.emergency-section {
  background: linear-gradient(135deg, #fff5f3, var(--cream));
}

.emergency-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.emergency-card {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 24px;
  border-left: 4px solid var(--coral);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.emergency-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.emergency-card .icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.emergency-card h4 {
  margin-bottom: 8px;
  font-size: 1rem;
  color: var(--coral-dark);
}

.emergency-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
  margin-bottom: 0;
}

/* --- FAQ Section --- */
.faq-section {
  background: var(--cream);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--charcoal);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--cream);
}

.faq-question .toggle-icon {
  font-size: 1.2rem;
  color: var(--coral);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-question .toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

/* --- Footer --- */
.footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer h4 {
  color: var(--white);
  margin-bottom: 16px;
  font-size: 1rem;
}

.footer-about p {
  color: rgba(255,255,255,0.6);
  font-size: 0.92rem;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--coral-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
  margin: 0;
}

/* --- Disclaimer --- */
.disclaimer {
  background: var(--cream-dark);
  padding: 40px 0;
  border-top: 1px solid var(--gray-100);
}

.disclaimer-box {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 28px 32px;
  border: 1px solid var(--gray-100);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.disclaimer-box h4 {
  margin-bottom: 12px;
  color: var(--gray-500);
}

.disclaimer-box p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin: 0;
}

/* --- Ad Slots --- */
.ad-slot {
  background: var(--cream-dark);
  border: 1px dashed var(--gray-300);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  margin: 30px 0;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-300);
  font-size: 0.8rem;
  font-weight: 600;
}

/* In content ad slots are slightly different */
.ad-slot-inline {
  background: rgba(250, 247, 242, 0.6);
  border: 1px dashed var(--gray-300);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
  margin: 24px 0;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-300);
  font-size: 0.75rem;
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--coral);
  color: var(--white);
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--coral-dark);
  transform: translateY(-2px);
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Fallback: make everything visible if JS hasn't run within 2s */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .vacc-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--cream);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-md);
  }

  .nav-links.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-stats {
    gap: 24px;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .guide-detail {
    padding: 24px;
  }

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

  .section {
    padding: 60px 0;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .calc-card {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  html { font-size: 15px; }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .category-tabs {
    gap: 6px;
  }

  .category-tab {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
}