/* ============================================
   CLOPEN Valves & Actuators - Main Stylesheet
   ============================================ */

/* === CSS Custom Properties === */
:root {
  --primary: #2d3a4a;
  --primary-light: #3d4f65;
  --primary-dark: #1e2a38;
  --secondary: #8a9bae;
  --secondary-light: #b0bfcf;
  --accent: #e8813a;
  --accent-hover: #d06f2a;
  --accent-light: rgba(232, 129, 58, 0.1);
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-dark: #2d3a4a;
  --text-dark: #1a1a2e;
  --text-muted: #6c757d;
  --text-light: #ffffff;
  --border-color: #e0e4e8;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
  --header-height: 80px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); }
h4 { font-size: 1.2rem; }

.section-title {
  text-align: center;
  margin-bottom: 16px;
  position: relative;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-light);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background: var(--text-light);
  color: var(--primary);
}

.btn-secondary {
  background: var(--primary);
  color: var(--text-light);
}

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

/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all var(--transition);
  border-bottom: 1px solid transparent;
}

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

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.logo img {
  height: 48px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-dark);
  transition: all var(--transition);
  position: relative;
}

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

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

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

/* Language Switcher */
.lang-switcher {
  display: flex;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.lang-switcher button {
  padding: 6px 14px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all var(--transition);
}

.lang-switcher button.active {
  background: var(--primary);
  color: var(--text-light);
}

.contact-btn {
  padding: 10px 24px;
  background: var(--accent);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.contact-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: all var(--transition);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translateY(10px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-10px);
}

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

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(232,129,58,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(138,155,174,0.2) 0%, transparent 40%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(232,129,58,0.2);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(232,129,58,0.3);
}

.hero h1 {
  color: var(--text-light);
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
}

.hero p {
  color: var(--secondary-light);
  font-size: 1.15rem;
  margin-bottom: 36px;
  max-width: 550px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Decorative elements */
.hero-pattern {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  opacity: 0.08;
  z-index: 1;
}

.hero-pattern svg {
  width: 100%;
  height: 100%;
}

/* Floating shapes */
.hero .float-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.05;
  background: white;
  z-index: 1;
}

.hero .float-shape:nth-child(1) {
  width: 300px;
  height: 300px;
  top: 10%;
  right: 10%;
  animation: float 8s ease-in-out infinite;
}

.hero .float-shape:nth-child(2) {
  width: 200px;
  height: 200px;
  bottom: 15%;
  right: 25%;
  animation: float 6s ease-in-out infinite reverse;
}

.hero .float-shape:nth-child(3) {
  width: 150px;
  height: 150px;
  top: 30%;
  right: 35%;
  animation: float 10s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-30px); }
}

/* === Product Categories Section === */
.products-section {
  padding: 100px 0;
  background: var(--bg-light);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.category-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.category-card:hover::before {
  transform: scaleX(1);
}

.category-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 2rem;
}

.category-icon svg {
  width: 36px;
  height: 36px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}

.category-card h3 {
  margin-bottom: 12px;
  color: var(--primary);
}

.category-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.category-card .card-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.category-card .card-link::after {
  content: '\2192';
  transition: transform var(--transition);
}

.category-card:hover .card-link::after {
  transform: translateX(4px);
}

/* === About Summary Section === */
.about-section {
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content h2 {
  margin-bottom: 20px;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.02rem;
}

.about-content .btn {
  margin-top: 16px;
}

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

.stat-card {
  background: var(--bg-light);
  padding: 32px 24px;
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all var(--transition);
}

.stat-card:hover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

/* === CTA Section === */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  text-align: center;
}

.cta-section h2 {
  color: var(--text-light);
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--secondary-light);
  max-width: 500px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
}

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

/* === Footer === */
.footer {
  background: var(--primary-dark);
  color: var(--secondary-light);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--secondary);
}

.footer h4 {
  color: var(--text-light);
  margin-bottom: 20px;
  font-size: 1rem;
}

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

.footer ul li a {
  color: var(--secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer ul li a:hover {
  color: var(--accent);
}

.footer-contact-info li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--secondary);
}

.footer-contact-info li svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
  stroke: var(--accent);
  fill: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--secondary);
}

/* === Page Header (inner pages) === */
.page-header {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  text-align: center;
}

.page-header h1 {
  color: var(--text-light);
  margin-bottom: 12px;
}

.page-header p {
  color: var(--secondary-light);
  font-size: 1.05rem;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--secondary-light);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb .separator {
  color: var(--secondary);
}

.breadcrumb .current {
  color: var(--accent);
}

/* === Products Page === */
.products-page {
  padding: 80px 0;
}

.product-category-section {
  margin-bottom: 64px;
}

.product-category-section h2 {
  margin-bottom: 8px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.product-category-section > p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

.product-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.product-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.product-card h4 {
  color: var(--primary);
  margin-bottom: 8px;
}

.product-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.product-card .tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-right: 6px;
  margin-bottom: 6px;
}

/* === Product Detail Page === */
.product-detail {
  padding: 80px 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.product-intro {
  max-width: 800px;
}

.product-intro p {
  color: var(--text-muted);
  font-size: 1.02rem;
  margin-bottom: 16px;
}

/* Sub-product section within detail */
.sub-product {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 36px;
  margin-bottom: 28px;
  border: 1px solid var(--border-color);
}

.sub-product h3 {
  margin-bottom: 20px;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sub-product h3::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}

/* Specs Table */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 12px;
}

.specs-table th,
.specs-table td {
  padding: 14px 18px;
  text-align: left;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--border-color);
}

.specs-table th {
  background: var(--primary);
  color: var(--text-light);
  font-weight: 600;
  width: 220px;
  white-space: nowrap;
}

.specs-table td {
  color: var(--text-dark);
}

.specs-table tr:last-child th,
.specs-table tr:last-child td {
  border-bottom: none;
}

.specs-table tr:hover td {
  background: var(--accent-light);
}

.specs-note {
  font-size: 0.85rem;
  color: var(--accent);
  font-style: italic;
  margin-top: 8px;
}

/* === About Page === */
.about-page {
  padding: 80px 0;
}

.about-page-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-page-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-page-content h2 {
  margin-top: 48px;
  margin-bottom: 20px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin: 40px 0;
}

.value-card {
  background: var(--bg-light);
  padding: 32px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  text-align: center;
}

.value-card .value-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.value-card h4 {
  margin-bottom: 10px;
  color: var(--primary);
}

.value-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.standards-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0;
}

.standard-badge {
  padding: 8px 18px;
  background: var(--primary);
  color: var(--text-light);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* === Contact Page === */
.contact-page {
  padding: 80px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-form {
  background: var(--bg-light);
  padding: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

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

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  background: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-info-section h3 {
  margin-bottom: 24px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.contact-info-card .icon {
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-card .icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--accent);
  fill: none;
}

.contact-info-card h4 {
  margin-bottom: 4px;
  font-size: 1rem;
}

.contact-info-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  height: 300px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* === Animations === */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered animation delay */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* === Mobile Navigation Overlay === */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.mobile-nav.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-content {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 300px;
  background: var(--bg-white);
  padding: 80px 24px 24px;
  transform: translateX(100%);
  transition: transform var(--transition);
}

.mobile-nav.active .mobile-nav-content {
  transform: translateX(0);
}

.mobile-nav a {
  display: block;
  padding: 14px 16px;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background: var(--accent-light);
  color: var(--accent);
}

.mobile-nav .lang-switcher {
  margin-top: 24px;
  justify-content: center;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav {
    display: none;
  }

  .header-actions .contact-btn {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .hero {
    min-height: 80vh;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .page-header {
    padding: 120px 0 40px;
  }

  .product-cards {
    grid-template-columns: 1fr;
  }

  .sub-product {
    padding: 24px 16px;
  }

  .specs-table th {
    width: 140px;
    font-size: 0.82rem;
    padding: 10px 12px;
  }

  .specs-table td {
    font-size: 0.85rem;
    padding: 10px 12px;
  }

  .contact-form {
    padding: 24px;
  }
}

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

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .section-subtitle {
    font-size: 0.95rem;
  }

  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
}