*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body { font-family: 'Nunito', sans-serif; font-size: 16px; line-height: 1.75; color: #1a1412; background: #fdf8f7; }
    a { color: inherit; text-decoration: none; }

    /* Nav */
    .nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.94); backdrop-filter: blur(16px); border-bottom: 1px solid #f0e8e6; }
    .nav-inner { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
    .nav-logo { display: flex; align-items: center; gap: 0.5rem; font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.1rem; color: #1a1412; }
    .nav-links { display: flex; align-items: center; gap: 0.25rem; }
    .nav-link { padding: 0.375rem 0.75rem; border-radius: 0.75rem; font-size: 0.875rem; font-weight: 600; color: #4a3f3a; transition: background 0.15s; }
    .nav-link:hover { background: #f5f0ef; }
    .nav-cta { padding: 0.5rem 1rem; border-radius: 0.75rem; font-size: 0.875rem; font-weight: 700; color: white; background: linear-gradient(135deg, #FF9AA2, #a29bfe); }
    .hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
    .hamburger span { display: block; width: 22px; height: 2px; background: #1a1412; border-radius: 2px; }
    @media (max-width: 900px) { .nav-links { display: none !important; } .hamburger { display: flex; } }

    /* Breadcrumb */
    .breadcrumb { max-width: 900px; margin: 0 auto; padding: 0.75rem 1.5rem 0; font-size: 0.8125rem; color: #9ca3af; }
    .breadcrumb a { color: #9ca3af; }
    .breadcrumb a:hover { color: #4a3f3a; }

    /* Hero */
    .hero { background: linear-gradient(160deg, #fff5f0 0%, #fdf8f7 50%, #f0f4ff 100%); padding: 3.5rem 1.5rem 3rem; text-align: center; }
    .hero-badge { display: inline-block; background: #FF9AA222; color: #e57a84; font-size: 0.75rem; font-weight: 700; padding: 0.375rem 1rem; border-radius: 99px; margin-bottom: 1.25rem; letter-spacing: 0.03em; text-transform: uppercase; }
    .hero h1 { font-family: 'Playfair Display', serif; font-size: clamp(1.875rem, 5vw, 2.75rem); font-weight: 700; line-height: 1.2; color: #1a1412; margin-bottom: 1rem; max-width: 700px; margin-left: auto; margin-right: auto; }
    .hero-intro { font-size: 1rem; color: #4a3f3a; max-width: 580px; margin: 0 auto 1.5rem; line-height: 1.8; }
    .hero-note { font-size: 0.75rem; color: #9ca3af; }

    /* Quick finder */
    .finder { max-width: 900px; margin: 0 auto; padding: 2.5rem 1.5rem 0; }
    .finder h2 { font-family: 'Playfair Display', serif; font-size: 1.5rem; font-weight: 700; color: #1a1412; margin-bottom: 0.5rem; }
    .finder-sub { font-size: 0.9rem; color: #4a3f3a; margin-bottom: 1.5rem; }

    /* Age sections */
    .age-section { max-width: 900px; margin: 0 auto; padding: 0 1.5rem 2rem; }
    .phase-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: #a29bfe; margin-bottom: 0.625rem; margin-top: 2.25rem; }
    .phase-title { font-family: 'Playfair Display', serif; font-size: 1.125rem; font-weight: 700; color: #1a1412; margin-bottom: 1rem; }

    /* Age grid */
    .age-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.625rem; margin-bottom: 0.5rem; }
    .age-card { display: flex; flex-direction: column; align-items: center; justify-content: center; background: white; border: 1.5px solid #ffe4e6; border-radius: 1.125rem; padding: 1rem 0.5rem; text-align: center; transition: box-shadow 0.18s, transform 0.18s, border-color 0.18s; cursor: pointer; }
    .age-card:hover { box-shadow: 0 6px 20px rgba(255,154,162,0.2); transform: translateY(-2px); border-color: #FF9AA2; }
    .age-card-emoji { font-size: 1.5rem; margin-bottom: 0.5rem; }
    .age-card-label { font-size: 0.875rem; font-weight: 700; color: #1a1412; line-height: 1.3; }
    .age-card-meta { font-size: 0.6875rem; color: #9ca3af; margin-top: 0.25rem; }

    /* Featured (highlight for most-visited ages) */
    .age-card.featured { border-color: #a29bfe; background: linear-gradient(135deg, #fdf8f7, #f5f0ff); }
    .age-card.featured .age-card-label { color: #5b52c9; }

    /* What's on each page */
    .features-strip { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.75rem 0; }
    .feature-pill { display: flex; align-items: center; gap: 0.375rem; background: #fff0f1; border: 1px solid #ffe4e6; border-radius: 99px; padding: 0.375rem 0.875rem; font-size: 0.8125rem; font-weight: 600; color: #4a3f3a; }

    /* Cross-cluster section */
    .related { background: white; border: 1.5px solid #ffe4e6; border-radius: 1.5rem; padding: 1.75rem 2rem; margin: 2rem 1.5rem; max-width: 900px; margin-left: auto; margin-right: auto; }
    .related h2 { font-family: 'Playfair Display', serif; font-size: 1.125rem; font-weight: 700; color: #1a1412; margin-bottom: 1rem; }
    .related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0.625rem; }
    .related-link { display: flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1rem; background: #fff0f1; border-radius: 0.875rem; font-size: 0.875rem; font-weight: 600; color: #1a1412; transition: background 0.15s; }
    .related-link:hover { background: #ffd6da; }

    /* App CTA */
    .cta-section { background: linear-gradient(135deg, #1a1412, #2d1f3d); border-radius: 1.75rem; padding: 2.5rem 2rem; text-align: center; margin: 0 1.5rem 3rem; max-width: 900px; margin-left: auto; margin-right: auto; }
    .cta-section h2 { font-family: 'Playfair Display', serif; font-size: 1.5rem; color: white; margin-bottom: 0.625rem; }
    .cta-section p { color: rgba(255,255,255,0.65); font-size: 0.9375rem; margin-bottom: 1.5rem; max-width: 480px; margin-left: auto; margin-right: auto; }
    .cta-btn { display: inline-block; background: linear-gradient(135deg, #FF9AA2, #a29bfe); color: white; font-weight: 700; font-size: 0.9375rem; padding: 0.875rem 2.25rem; border-radius: 50px; box-shadow: 0 4px 16px rgba(255,154,162,0.35); }
    .cta-note { color: rgba(255,255,255,0.4); font-size: 0.75rem; margin-top: 0.875rem; }

    /* Reveal */
    .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.5s ease, transform 0.5s ease; }
    .reveal.visible { opacity: 1; transform: none; }

    /* Footer */
    footer { background: #1a1412; color: rgba(255,255,255,0.5); text-align: center; padding: 2rem 1.5rem; font-size: 0.8125rem; }
    footer a { color: rgba(255,255,255,0.6); margin: 0 0.4rem; }
    footer a:hover { color: white; }

    /* Back to top */
    #back-to-top { position: fixed; bottom: 1.5rem; right: 1.5rem; width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, #FF9AA2, #a29bfe); color: white; border: none; cursor: pointer; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s; z-index: 999; }
    #back-to-top.visible { opacity: 1; }
      /* Dropdowns */
    .nav-dd { position: relative; }
    .nav-dd-menu { display: none; position: absolute; top: calc(100% + 4px); left: 0; background: white; border: 1px solid #f0e8e6; border-radius: 1rem; padding: 0.5rem; min-width: 240px; box-shadow: 0 8px 32px rgba(0,0,0,0.1); z-index: 200; }
    .nav-dd:hover .nav-dd-menu { display: block; }
    .nav-dd-item { display: block; padding: 0.5rem 0.75rem; font-size: 0.8rem; font-weight: 600; color: #1a1412; text-decoration: none; border-radius: 0.5rem; }
    .nav-dd-item:hover { background: #fdf0f1; }
    .nav-dd-sep { height: 1px; background: #f0e8e6; margin: 0.25rem 0.5rem; }
    .nav-sign-in { padding: 0.375rem 0.625rem; border-radius: 0.75rem; font-size: 0.75rem; font-weight: 600; color: #64748b; text-decoration: none; }
    .nav-sign-in:hover { background: #f5f0ef; }