/* ========================
   武汉婚姻侦探调查公司 - 企业官网样式
   ======================== */

/* CSS Variables */
:root {
  --primary: #1a1a2e;
  --secondary: #16213e;
  --accent: #c9a227;
  --accent-hover: #b8922a;
  --bg-light: #fafafa;
  --bg-white: #ffffff;
  --text-dark: #2d2d2d;
  --text-light: #666666;
  --border: #e5e5e5;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-hover: rgba(0, 0, 0, 0.15);
  
  --font-heading: "Noto Serif SC", "PingFang SC", "Microsoft YaHei", serif;
  --font-body: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 80px;
  
  --radius: 8px;
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--bg-light);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

ul, ol {
  list-style: none;
}

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

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.4;
  color: var(--primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-light);
  margin-bottom: 1em;
}

.text-accent {
  color: var(--accent);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ========================
   Header
   ======================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  padding: 0 var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.25rem;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.3;
}

.logo-text span {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-light);
}

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

.nav-link {
  position: relative;
  font-size: 0.95rem;
  color: var(--text-dark);
  padding: var(--spacing-xs) 0;
}

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

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

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

.header-phone {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================
   Hero Section
   ======================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
  background-size: 50px 50px;
  opacity: 0.3;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(22, 33, 62, 0.7) 0%, rgba(26, 26, 46, 0.9) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--bg-white);
  padding: var(--spacing-lg);
}

.hero-subtitle {
  font-size: 1rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--spacing-md);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.2s;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--bg-white);
  margin-bottom: var(--spacing-md);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.4s;
}

.hero-desc {
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  color: rgba(255, 255, 255, 0.8);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.6s;
}

.hero-cta {
  display: inline-flex;
  gap: var(--spacing-sm);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.8s;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

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

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

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

.btn-outline:hover {
  background: var(--bg-white);
  color: var(--primary);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
  animation: bounce 2s infinite;
}

.hero-scroll svg {
  width: 24px;
  height: 24px;
}

/* ========================
   Section Styles
   ======================== */
.section {
  padding: var(--spacing-xl) 0;
}

.section-dark {
  background: var(--primary);
  color: var(--bg-white);
}

.section-dark h2,
.section-dark h3 {
  color: var(--bg-white);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.7);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-subtitle {
  font-size: 0.875rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-sm);
}

.section-desc {
  max-width: 600px;
  margin: 0 auto;
}

/* ========================
   Service Cards
   ======================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  background: var(--bg-white);
  padding: 0;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px var(--shadow);
  transition: var(--transition);
  cursor: pointer;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 40px var(--shadow-hover);
}

.service-card .service-image {
  height: 180px;
  overflow: hidden;
}

.service-card .service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
  transform: scale(1.05);
}

.service-card-content {
  padding: var(--spacing-md);
  text-align: center;
}

.service-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.service-card-content {
  padding: var(--spacing-lg);
}


.service-card-content .service-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-sm);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  border: 3px solid var(--bg-white);
  color: var(--accent);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: -30px auto var(--spacing-sm);
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  border: 3px solid var(--bg-white);
  color: var(--accent);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.service-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s;
}

.service-link:hover svg {
  transform: translateX(4px);
}

/* ========================
   About Section
   ======================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.about-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent) 0%, transparent 50%);
  opacity: 0.3;
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-content h2 {
  margin-bottom: var(--spacing-md);
}

.about-content p {
  margin-bottom: var(--spacing-md);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-light);
}

/* ========================
   News Cards
   ======================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.news-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow);
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--shadow-hover);
}

.news-image {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.news-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-image img {
  transform: scale(1.05);
}

.news-category {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  background: var(--accent);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.news-content {
  padding: var(--spacing-md);
  min-height: 140px;
}

.news-date {
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.news-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.news-card h3 a:hover {
  color: var(--accent);
}

.news-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========================
   Contact Section
   ======================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: 0 2px 10px var(--shadow);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

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

.contact-item p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.contact-form {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px var(--shadow);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-light);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: var(--bg-white);
}

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

.form-group .error {
  border-color: #e74c3c;
}

.form-error {
  color: #e74c3c;
  font-size: 0.8rem;
  margin-top: 4px;
}

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

.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: var(--bg-white);
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-submit:hover {
  background: var(--secondary);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ========================
   Footer
   ======================== */
.footer {
  background: var(--primary);
  color: var(--bg-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-brand h3 {
  color: var(--bg-white);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

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

.footer-links h4 {
  color: var(--bg-white);
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}

/* ========================
   Page Header (Breadcrumb)
   ======================== */
.page-header {
  padding-top: 140px;
  padding-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  text-align: center;
}

.page-header h1 { color: var(--bg-white); font-size: 3rem; }

.page-header p {
  color: rgba(255, 255, 255, 0.8);
}

.page-title {
  color: var(--bg-white);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.page-breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xs);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

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

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

/* ========================
   Features / Why Us
   ======================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--accent) 0%, #e6b800 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary);
}

.feature-item h4 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.feature-item p {
  font-size: 0.9rem;
}

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

.cta-section h2 {
  color: var(--bg-white);
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

/* ========================
   News Detail Page
   ======================== */
.news-detail {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

.news-detail-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.news-detail-header .news-category {
  position: static;
  display: inline-block;
  margin-bottom: var(--spacing-sm);
}

.news-detail-header h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.news-meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  color: var(--text-light);
  font-size: 0.9rem;
}

.news-detail-content {
  line-height: 1.9;
}

.news-detail-content p {
  margin-bottom: var(--spacing-md);
}

.news-detail-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.news-detail-image {
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.news-detail-image img {
  width: 100%;
}

/* ========================
   Pagination
   ======================== */
.pagination {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap !important;
  justify-content: center !important;
  align-items: center !important;
  gap: 8px;
  margin-top: var(--spacing-lg);
  width: fit-content;
  max-width: 100%;
}

.pagination a,
.pagination span {
  display: inline-block !important;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius);
  background: var(--bg-white);
  color: var(--text-dark);
  font-size: 0.9rem;
  transition: var(--transition);
  text-decoration: none;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.pagination a:hover {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
}


.pagination .active {
  background: var(--primary);
  color: var(--bg-white);
  border-color: var(--primary);
}

.pagination .disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

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

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ========================
   Success / Error Messages
   ======================== */
.message {
  padding: var(--spacing-md);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.message-success {
  background: #d4edda;
  color: #155724;
}

.message-error {
  background: #f8d7da;
  color: #721c24;
}

/* ========================
   Loading Spinner
   ======================== */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--bg-white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ========================
   Responsive Design
   ======================== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  
  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }
  
  .nav.active {
    transform: translateX(0);
  }
  
  .nav-link {
    font-size: 1.25rem;
  }
  
  .header-phone {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
}

/* ========================
   Utility Classes
   ======================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.hidden { display: none; }
.visible { display: block; }