:root {
      
      --bg-body: #f8fafc; 
      --surface: #ffffff;
      --border: #e2e8f0;
      --border-hover: #cbd5e1;
      
      --text-primary: #0f172a;
      --text-secondary: #475569;
      --text-muted: #94a3b8;
      
      --accent-main: #0ea5e9; 
      --accent-dark: #0284c7;
      --accent-light: #e0f2fe;
      
      --radius: 16px;
      --radius-sm: 8px;
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Inter', -apple-system, sans-serif;
      background: linear-gradient(rgba(248, 250, 252, 0.85), rgba(226, 232, 240, 0.85)), url('https://images.unsplash.com/photo-1506126613408-eca07ce68773?auto=format&fit=crop&w=1920&q=80') center/cover fixed;
      color: var(--text-primary);
      overflow-x: hidden;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4, h5, h6, .font-heading {
      font-family: 'Plus Jakarta Sans', sans-serif;
    }

    .clean-card {
      background: rgba(255, 255, 255, 0.35);
      backdrop-filter: blur(5px);
      -webkit-backdrop-filter: blur(5px);
      border-radius: 20px;
      border: 1px solid rgba(255, 255, 255, 0.5);
      box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 20px 10px rgba(255, 255, 255, 0.4);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .clean-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    }

    .clean-card::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 1px;
      height: 100%;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), transparent, rgba(255, 255, 255, 0.3));
    }

    .clean-card:hover {
      border-color: rgba(255, 255, 255, 0.8);
      box-shadow: 0 10px 20px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    }

    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      padding: 0 40px;
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border);
      animation: slideDown 0.6s ease-out both;
    }

    @keyframes slideDown { 
      from { opacity: 0; transform: translateY(-100%); } 
      to { opacity: 1; transform: translateY(0); } 
    }

    .nav-logo {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 20px;
      font-weight: 800;
      color: var(--accent-dark);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
    }

    .nav-logo i {
      font-size: 24px;
      color: var(--accent-main);
    }

    .nav-links { display: flex; gap: 8px; align-items: center; }
    
    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      text-decoration: none;
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      position: relative;
    }

    .nav-link::after {
  content: "";
  position: absolute;
  left: 16px;
  bottom: 4px;
  width: calc(100% - 32px);
  height: 2px;
  background: #0ea5e9;
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.nav-link:hover::after {
  transform: scaleX(1);
}

    .nav-link:hover,
    .nav-link.active { 
      color: var(--accent-dark); 
      background: var(--bg-body); 
      font-weight: 600;
    }

    .nav-cta {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      text-decoration: none;
      padding: 10px 20px;
      border-radius: 40px;
      background: var(--accent-main);
      transition: all 0.2s ease;
    }

    .nav-cta:hover { 
      background: var(--accent-dark); 
      transform: translateY(-1px); 
    }

    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 120px 40px 80px;
      position: relative;
    }
    
    .hero-inner { max-width: 800px; }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 40px;
      padding: 6px 16px;
      font-size: 13px;
      color: var(--text-secondary);
      font-weight: 500;
      margin-bottom: 24px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.02);
      animation: fadeUp 0.8s ease 0.1s both;
    }

    .hero-badge i {
      color: var(--accent-main);
    }

    .hero-title {
      font-size: clamp(40px, 6vw, 72px);
      font-weight: 800;
      line-height: 1.1;
      letter-spacing: -1.5px;
      margin-bottom: 24px;
      color: var(--text-primary);
      animation: fadeUp 0.8s ease 0.2s both;
    }

    .hero-title span {
      color: var(--accent-main);
    }

    .hero-sub {
      font-size: clamp(16px, 2vw, 18px);
      color: var(--text-secondary);
      max-width: 600px;
      margin: 0 auto 40px;
      font-weight: 400;
      line-height: 1.6;
      animation: fadeUp 0.8s ease 0.3s both;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
      animation: fadeUp 0.8s ease 0.4s both;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 32px;
      border-radius: 40px;
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      background: var(--accent-main);
      text-decoration: none;
      border: none;
      transition: all 0.2s ease;
    }

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

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 32px;
      border-radius: 40px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      background: var(--surface);
      text-decoration: none;
      border: 1px solid var(--border);
      transition: all 0.2s ease;
    }

    .btn-secondary:hover { 
      border-color: var(--text-primary); 
    }

    .stats-strip {
      padding: 0 40px 100px;
      animation: fadeUp 0.8s ease 0.6s both;
    }

    .stats-grid {
      max-width: 1000px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .stat-card {
      padding: 32px 24px;
      text-align: center;
    }

    .stat-num {
      font-size: 40px;
      font-weight: 800;
      color: var(--accent-dark);
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-label { 
      font-size: 14px; 
      color: var(--text-secondary); 
      font-weight: 500; 
    }

    .section { padding: 100px 40px; }
    
    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: var(--accent-main);
      margin-bottom: 16px;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 44px);
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 16px;
      color: var(--text-primary);
    }

    .section-sub {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 540px;
      line-height: 1.6;
    }

    .timeline-section { max-width: 1200px; margin: 0 auto; }
    .timeline-header { margin-bottom: 64px; }

    .age-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .age-card {
      padding: 32px;
      cursor: pointer;
      text-decoration: none;
      color: inherit;
      display: block;
    }

    .age-card:hover { transform: translateY(-4px); }
    .age-card:hover .card-arrow { transform: translateX(4px); color: var(--accent-main); }

    .age-icon {
      width: 48px; height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 24px;
      background: var(--accent-light);
      color: var(--accent-dark);
      transition: all 0.3s ease;
    }

    .age-card:hover .age-icon { 
      background: var(--accent-main); 
      color: #fff; 
    }

    .age-range {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .age-name {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-primary);
    }

    .age-desc {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .age-tags { 
      display: flex; 
      flex-wrap: wrap; 
      gap: 8px; 
      margin-bottom: 24px; 
    }

    .tag {
      font-size: 12px;
      font-weight: 500;
      padding: 4px 12px;
      border-radius: 20px;
      background: var(--bg-body);
      color: var(--text-secondary);
      border: 1px solid var(--border);
    }

    .card-arrow {
      font-size: 18px;
      color: var(--text-muted);
      transition: all 0.2s ease;
      display: inline-block;
    }

    .features-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .feature-main { grid-row: span 2; }
    
    .feature-card {
      padding: 40px 32px;
    }

    .feature-icon { 
      font-size: 32px; 
      color: var(--accent-main);
      margin-bottom: 20px; 
      display: block; 
    }

    .feature-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .feature-main .feature-title { font-size: 28px; }
    
    .feature-desc { 
      font-size: 15px; 
      color: var(--text-secondary); 
      line-height: 1.6; 
    }

    .progress-list { 
      margin-top: 32px; 
      display: flex; 
      flex-direction: column; 
      gap: 16px; 
    }

    .progress-item label { 
      font-size: 14px; 
      font-weight: 500;
      color: var(--text-primary); 
      display: flex; 
      justify-content: space-between; 
      margin-bottom: 8px; 
    }

    .progress-bar { 
      height: 6px; 
      border-radius: 3px; 
      background: var(--bg-body); 
      overflow: hidden; 
    }

    .progress-fill {
      height: 100%;
      border-radius: 3px;
      background: var(--accent-main);
      transition: width 1.5s ease-out;
      width: 0;
    }

    .progress-fill.animated { width: var(--target); }

    .tips-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .tip-card {
      padding: 32px 24px;
      text-align: center;
    }

    .tip-icon { 
      font-size: 32px; 
      color: var(--text-primary);
      margin-bottom: 16px; 
      display: block; 
    }

    .tip-title { 
      font-size: 16px; 
      font-weight: 600; 
      margin-bottom: 8px; 
      color: var(--text-primary);
    }

    .tip-desc { 
      font-size: 14px; 
      color: var(--text-secondary); 
      line-height: 1.5; 
    }

    .cta-section {
      max-width: 800px;
      margin: 0 auto;
      text-align: center;
      padding: 100px 40px 140px;
    }

    .cta-card {
      padding: 64px 40px;
      background: var(--surface);
      border: 1px solid var(--border);
    }

    .cta-title {
      font-size: clamp(32px, 4vw, 44px);
      font-weight: 800;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    footer {
  position: relative;
  z-index: 1;
      padding: 40px;
      border-top: 1px solid var(--border);
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      flex-wrap: wrap;
      gap: 24px;
      background: var(--surface);
    }

    .footer-address {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }
    
    .footer-address .address-title {
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 8px;
    }

    .footer-logo {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 18px;
      font-weight: 800;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .footer-logo i { color: var(--accent-main); }

    .footer-links { display: flex; gap: 24px; }
    
    .footer-link { 
      font-size: 14px; 
      color: var(--text-secondary); 
      text-decoration: none; 
      transition: color 0.2s; 
    }

    .footer-link:hover { color: var(--accent-main); }
    
    .footer-copy { font-size: 14px; color: var(--text-muted); }

    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s ease;
    }
    .reveal.from-left { transform: translateX(-40px); }
    .reveal.visible { opacity: 1; transform: translate(0); }

    .stagger-child {
      opacity: 0;
      transform: translateY(20px);
      transition: all 0.6s ease;
    }
    .stagger-child.visible { opacity: 1; transform: translateY(0); }

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

    @media (max-width: 900px) {
      nav { padding: 0 24px; }
      .nav-links { display: none; }
      .age-cards { grid-template-columns: 1fr 1fr; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .features-grid { grid-template-columns: 1fr; }
      .feature-main { grid-row: span 1; }
      .tips-grid { grid-template-columns: repeat(2, 1fr); }
      .news-grid { grid-template-columns: 1fr; }
    }
    
    @media (max-width: 600px) {
      .section { padding: 80px 24px; }
      .age-cards { grid-template-columns: 1fr; }
      .tips-grid { grid-template-columns: 1fr; }
      .hero { padding: 120px 24px 80px; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .cta-card { padding: 48px 24px; }
      footer { flex-direction: column; text-align: center; justify-content: center; }
      .footer-logo { align-items: center !important; justify-content: center; }
    }

    .news-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
      max-width: 1100px;
      margin: 0 auto;
    }
    .news-card {
      display: flex;
      flex-direction: column;
      text-decoration: none;
      color: inherit;
    }
    .news-card:hover .news-img img {
      transform: scale(1.05);
    }
    .news-img {
      width: 100%;
      height: 180px;
      border-radius: 12px;
      overflow: hidden;
      margin-bottom: 16px;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    .news-date {
      font-size: 12px;
      color: var(--accent-main);
      font-weight: 600;
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .news-desc {
      font-size: 14px;
      color: var(--text-secondary);
      flex: 1;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 16px;
    }
    .news-loading {
      text-align: center;
      padding: 40px;
      color: var(--text-secondary);
      font-weight: 500;
    }
.social-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 22px;
  transition: all 0.3s ease;
  text-decoration: none;
}
.social-circle:hover {
  background: var(--accent-main);
  color: white;
  border-color: var(--accent-main);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

@media (max-width: 900px) {
  footer > div > div {
    align-items: flex-start !important;
    text-align: left;
  }
}