:root {
      --primary: #0bbcd6;
      --primary-dark: #0899b0;
      --primary-light: #e0f8fc;
      --accent: #ffffff;
      --dark: #0d1b2a;
      --text: #3a4a5a;
      --muted: #7a8a9a;
      --bg-soft: #f5fbfd;
      --radius: 16px;
      --shadow: 0 8px 32px rgba(11,188,214,.12);
      --shadow-card: 0 4px 24px rgba(0,0,0,.07);
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: 'DM Sans', sans-serif;
      color: var(--text);
      background: #fff;
      overflow-x: hidden;
    }

    h1,h2,h3,h4 { font-family: 'Playfair Display', serif; color: var(--dark); }

    /* ── Loader ── */
    #loader {
      position: fixed; inset: 0; background: #fff;
      display: flex; align-items: center; justify-content: center;
      z-index: 9999; transition: opacity .5s, visibility .5s;
    }
    #loader.hidden { opacity: 0; visibility: hidden; }
    .loader-tooth {
      width: 52px; height: 52px;
      border: 4px solid var(--primary-light);
      border-top-color: var(--primary);
      border-radius: 50%;
      animation: spin .9s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }

    /* ── Navbar ── */
    .navbar {
      background: rgba(255,255,255,.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      box-shadow: 0 2px 20px rgba(0,0,0,.06);
      padding: 14px 0;
      transition: all .3s;
    }
    .navbar.scrolled { padding: 8px 0; box-shadow: 0 4px 28px rgba(0,0,0,.1); }
    .navbar-brand { display: flex; align-items: center; gap: 10px; }
    .brand-icon {
      width: 38px; height: 38px; background: var(--primary);
      border-radius: 10px; display: flex; align-items: center; justify-content: center;
    }
    .brand-icon i { color: #fff; font-size: 1.2rem; }
    .brand-text { font-family: 'Playfair Display', serif; font-size: 1.3rem; color: var(--dark); font-weight: 700; }
    .brand-text span { color: var(--primary); }
    .navbar-nav .nav-link {
      font-weight: 500; color: var(--text); font-size: .92rem;
      padding: 6px 14px !important; border-radius: 8px; transition: all .2s;
    }
    .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
      color: var(--primary); background: var(--primary-light);
    }
    .nav-phone { font-weight: 600; color: var(--primary); font-size: .9rem; }
    .nav-phone i { margin-right: 4px; }
    .btn-nav {
      background: var(--primary); color: #fff !important;
      border-radius: 30px; padding: 8px 22px !important;
      font-weight: 600 !important; font-size: .88rem !important;
      transition: all .25s !important;
    }
    .btn-nav:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(11,188,214,.35); }

    /* ── Hero ── */
    #hero {
      position: relative; overflow: hidden;
      background: linear-gradient(135deg, #0d1b2a 0%, #0d3347 60%, #0bbcd6 100%);
      min-height: 100vh; display: flex; align-items: center;
    }
    .hero-bg-pattern {
      position: absolute; inset: 0; opacity: .07;
      background-image: radial-gradient(circle at 25% 50%, #fff 1px, transparent 1px),
                        radial-gradient(circle at 75% 20%, #fff 1px, transparent 1px);
      background-size: 60px 60px;
    }
    .hero-circle {
      position: absolute; border-radius: 50%;
      border: 1px solid rgba(255,255,255,.08);
    }
    .hero-circle-1 { width: 600px; height: 600px; right: -150px; top: -100px; }
    .hero-circle-2 { width: 400px; height: 400px; right: 50px; top: 80px; background: rgba(11,188,214,.07); }
    .hero-circle-3 { width: 200px; height: 200px; right: 200px; top: 200px; background: rgba(11,188,214,.12); }
    .hero-content { position: relative; z-index: 2; }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(11,188,214,.18); border: 1px solid rgba(11,188,214,.35);
      color: #7de8f5; border-radius: 30px; padding: 6px 18px;
      font-size: .82rem; font-weight: 600; letter-spacing: .06em;
      text-transform: uppercase; margin-bottom: 24px;
    }
    .hero-badge i { font-size: .9rem; }
    .hero-title {
      font-size: clamp(2.4rem, 6vw, 4.2rem);
      line-height: 1.1; color: #fff; margin-bottom: 22px;
    }
    .hero-title span { color: var(--primary); }
    .hero-desc { font-size: 1.05rem; color: rgba(255,255,255,.75); max-width: 520px; line-height: 1.75; margin-bottom: 36px; }
    .hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 50px; }
    .btn-primary-hero {
      background: var(--primary); color: #fff; border: none;
      border-radius: 50px; padding: 15px 36px; font-weight: 600;
      font-size: .95rem; cursor: pointer; text-decoration: none;
      transition: all .28s; display: inline-flex; align-items: center; gap: 8px;
      font-family: 'DM Sans', sans-serif;
    }
    .btn-primary-hero:hover { background: #fff; color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(11,188,214,.4); }
    .btn-outline-hero {
      background: transparent; color: #fff;
      border: 2px solid rgba(255,255,255,.4); border-radius: 50px;
      padding: 13px 32px; font-weight: 600; font-size: .95rem;
      cursor: pointer; text-decoration: none; transition: all .28s;
      display: inline-flex; align-items: center; gap: 8px;
      font-family: 'DM Sans', sans-serif;
    }
    .btn-outline-hero:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-2px); }
    .hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
    .stat-item { }
    .stat-num { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 800; color: #fff; line-height: 1; }
    .stat-num span { color: var(--primary); }
    .stat-label { font-size: .78rem; color: rgba(255,255,255,.55); text-transform: uppercase; letter-spacing: .08em; margin-top: 4px; }
    .hero-img-wrap {
      position: relative; z-index: 2;
    }
    .hero-img-card {
      border-radius: 24px; overflow: hidden;
      box-shadow: 0 30px 80px rgba(0,0,0,.4);
      position: relative;
    }
    .hero-img-card img { width: 100%; display: block; height: 480px; object-fit: cover; }
    .hero-float-card {
      position: absolute; background: rgba(255,255,255,.96);
      backdrop-filter: blur(12px); border-radius: 14px; padding: 16px 20px;
      box-shadow: var(--shadow); display: flex; align-items: center; gap: 14px;
    }
    .hero-float-1 { bottom: -20px; left: -30px; }
    .hero-float-2 { top: 30px; right: -20px; }
    .float-icon { width: 44px; height: 44px; background: var(--primary-light); border-radius: 12px;
      display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .float-icon i { color: var(--primary); font-size: 1.2rem; }
    .float-title { font-weight: 700; font-size: .88rem; color: var(--dark); }
    .float-sub { font-size: .76rem; color: var(--muted); }

    /* ── Section shared ── */
    section { padding: 90px 0; }
    .section-label {
      display: inline-block; background: var(--primary-light);
      color: var(--primary); border-radius: 30px; padding: 6px 18px;
      font-size: .8rem; font-weight: 700; letter-spacing: .08em;
      text-transform: uppercase; margin-bottom: 14px;
    }
    .section-title { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 16px; line-height: 1.2; }
    .section-sub { color: var(--muted); font-size: 1rem; line-height: 1.75; max-width: 580px; }
    .btn-primary-main {
      background: var(--primary); color: #fff; border: none; border-radius: 50px;
      padding: 13px 32px; font-weight: 600; font-size: .92rem; cursor: pointer;
      text-decoration: none; transition: all .25s; display: inline-flex;
      align-items: center; gap: 8px; font-family: 'DM Sans', sans-serif;
    }
    .btn-primary-main:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow); color: #fff; }

    /* ── About ── */
    #about { background: var(--bg-soft); }
    .about-img-wrap { position: relative; }
    .about-img { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); }
    .about-img img { width: 100%; height: 400px; object-fit: cover; display: block; }
    .about-exp-badge {
      position: absolute; bottom: -20px; right: -20px;
      background: var(--primary); color: #fff; border-radius: 16px;
      padding: 20px 24px; text-align: center;
      box-shadow: 0 8px 32px rgba(11,188,214,.45);
    }
    .exp-num { font-family: 'Playfair Display', serif; font-size: 2.5rem; font-weight: 800; line-height: 1; }
    .exp-text { font-size: .8rem; font-weight: 600; opacity: .88; margin-top: 4px; }
    .about-features { display: flex; flex-direction: column; gap: 16px; margin-top: 28px; }
    .about-feat {
      display: flex; align-items: flex-start; gap: 16px;
      background: #fff; border-radius: 14px; padding: 18px 20px;
      box-shadow: var(--shadow-card); transition: all .25s;
    }
    .about-feat:hover { transform: translateX(6px); box-shadow: var(--shadow); }
    .feat-icon { width: 46px; height: 46px; background: var(--primary-light); border-radius: 12px;
      display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .feat-icon i { color: var(--primary); font-size: 1.25rem; }
    .feat-title { font-weight: 700; font-size: .95rem; color: var(--dark); }
    .feat-desc { font-size: .83rem; color: var(--muted); margin-top: 3px; }

    /* ── Services ── */
    #services { background: #fff; }
    .service-card {
      background: #fff; border-radius: var(--radius); padding: 36px 28px;
      box-shadow: var(--shadow-card); border: 1px solid rgba(11,188,214,.1);
      transition: all .3s; height: 100%; position: relative; overflow: hidden;
    }
    .service-card::before {
      content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
      background: var(--primary); transform: scaleX(0); transition: transform .3s;
    }
    .service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: var(--primary); }
    .service-card:hover::before { transform: scaleX(1); }
    .service-icon {
      width: 58px; height: 58px; background: var(--primary-light); border-radius: 16px;
      display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
      transition: all .3s;
    }
    .service-card:hover .service-icon { background: var(--primary); }
    .service-icon i { color: var(--primary); font-size: 1.5rem; transition: color .3s; }
    .service-card:hover .service-icon i { color: #fff; }
    .service-title { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
    .service-desc { font-size: .87rem; color: var(--muted); line-height: 1.7; }
    .service-link { color: var(--primary); font-size: .85rem; font-weight: 600; text-decoration: none;
      display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; transition: gap .2s; }
    .service-link:hover { gap: 10px; }

    /* ── Why Choose ── */
    #why {
      background: linear-gradient(135deg, #0d1b2a 0%, #0d3347 100%);
      position: relative; overflow: hidden;
    }
    #why .section-title, #why .section-sub { color: #fff; }
    #why .section-sub { color: rgba(255,255,255,.65); }
    .why-card {
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.1);
      border-radius: var(--radius); padding: 32px 24px;
      text-align: center; transition: all .3s; height: 100%;
    }
    .why-card:hover { background: rgba(11,188,214,.15); border-color: var(--primary); transform: translateY(-6px); }
    .why-icon {
      width: 64px; height: 64px; background: rgba(11,188,214,.18);
      border-radius: 50%; display: flex; align-items: center; justify-content: center;
      margin: 0 auto 18px; transition: all .3s;
    }
    .why-card:hover .why-icon { background: var(--primary); }
    .why-icon i { color: var(--primary); font-size: 1.6rem; transition: color .3s; }
    .why-card:hover .why-icon i { color: #fff; }
    .why-title { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
    .why-desc { color: rgba(255,255,255,.6); font-size: .85rem; line-height: 1.7; }

    /* ── Testimonials ── */
    #testimonials { background: var(--bg-soft); }
    .testimonial-wrap { position: relative; overflow: hidden; }
    .testimonial-slider { display: flex; transition: transform .5s cubic-bezier(.25,.8,.25,1); }
    .testimonial-card {
      min-width: 100%; background: #fff; border-radius: var(--radius); padding: 36px 32px;
      box-shadow: var(--shadow-card); position: relative;
    }
    .t-quote { font-size: 3.5rem; color: var(--primary); line-height: 0; position: absolute; top: 28px; right: 30px; opacity: .3; font-family: Georgia, serif; }
    .t-stars { color: #f9c74f; margin-bottom: 16px; font-size: .95rem; }
    .t-text { font-size: .95rem; line-height: 1.8; color: var(--text); margin-bottom: 24px; font-style: italic; }
    .t-author { display: flex; align-items: center; gap: 14px; }
    .t-avatar {
      width: 50px; height: 50px; border-radius: 50%; object-fit: cover;
      border: 3px solid var(--primary-light);
    }
    .t-avatar-placeholder {
      width: 50px; height: 50px; border-radius: 50%;
      background: var(--primary); display: flex; align-items: center; justify-content: center;
      color: #fff; font-weight: 700; font-size: 1rem;
    }
    .t-name { font-weight: 700; font-size: .92rem; color: var(--dark); }
    .t-role { font-size: .78rem; color: var(--muted); }
    .t-controls { display: flex; align-items: center; gap: 12px; margin-top: 30px; }
    .t-btn {
      width: 44px; height: 44px; border: 2px solid var(--primary); border-radius: 50%;
      background: transparent; color: var(--primary); font-size: 1rem; cursor: pointer;
      transition: all .25s; display: flex; align-items: center; justify-content: center;
    }
    .t-btn:hover { background: var(--primary); color: #fff; }
    .t-dots { display: flex; gap: 8px; }
    .t-dot { width: 8px; height: 8px; border-radius: 50%; background: #d0e8ec; cursor: pointer; transition: all .25s; }
    .t-dot.active { background: var(--primary); width: 24px; border-radius: 4px; }

    /* ── Appointment Form ── */
    #appointment { background: #fff; }
    .form-section-wrap {
      background: linear-gradient(135deg, #f5fbfd 0%, #e0f8fc 100%);
      border-radius: 24px; padding: 48px;
      box-shadow: var(--shadow);
    }
    .form-group { margin-bottom: 20px; }
    .form-label { font-size: .85rem; font-weight: 600; color: var(--dark); margin-bottom: 8px; display: block; }
    .form-control, .form-select {
      border: 1.5px solid #d8eef2; border-radius: 12px;
      padding: 13px 16px; font-size: .92rem; color: var(--text);
      font-family: 'DM Sans', sans-serif; transition: all .25s;
      background: #fff; width: 100%;
    }
    .form-control:focus, .form-select:focus {
      outline: none; border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(11,188,214,.12);
    }
    .form-control.error { border-color: #e63946; }
    .error-msg { color: #e63946; font-size: .78rem; margin-top: 5px; display: none; }
    .error-msg.show { display: block; }
    textarea.form-control { min-height: 110px; resize: vertical; }
    .btn-submit {
      width: 100%; background: var(--primary); color: #fff; border: none;
      border-radius: 50px; padding: 16px; font-weight: 700; font-size: 1rem;
      cursor: pointer; font-family: 'DM Sans', sans-serif; transition: all .3s;
      display: flex; align-items: center; justify-content: center; gap: 10px;
    }
    .btn-submit:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(11,188,214,.4); }
    .success-msg {
      display: none; background: #d0f5e8; color: #1a7a4a; border-radius: 14px;
      padding: 20px 24px; text-align: center; font-weight: 600;
    }
    .success-msg.show { display: flex; align-items: center; justify-content: center; gap: 12px; }
    .form-info-box {
      background: linear-gradient(135deg, #0d1b2a 0%, #0d3347 100%);
      border-radius: 24px; padding: 40px 36px; color: #fff; height: 100%;
    }
    .form-info-title { font-size: 1.6rem; color: #fff; margin-bottom: 12px; }
    .form-info-desc { color: rgba(255,255,255,.65); font-size: .9rem; line-height: 1.7; margin-bottom: 32px; }
    .info-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 22px; }
    .info-icon { width: 42px; height: 42px; background: rgba(11,188,214,.18); border-radius: 10px;
      display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .info-icon i { color: var(--primary); font-size: 1.1rem; }
    .info-title { font-weight: 700; font-size: .9rem; color: #fff; }
    .info-sub { font-size: .82rem; color: rgba(255,255,255,.55); margin-top: 2px; }

    /* ── Contact ── */
    #contact { background: var(--bg-soft); }
    .contact-card {
      background: #fff; border-radius: var(--radius); padding: 28px 24px;
      box-shadow: var(--shadow-card); display: flex; align-items: flex-start; gap: 18px;
      height: 100%;
    }
    .contact-icon { width: 52px; height: 52px; background: var(--primary-light); border-radius: 14px;
      display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .contact-icon i { color: var(--primary); font-size: 1.4rem; }
    .contact-label { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 5px; }
    .contact-value { font-weight: 600; color: var(--dark); font-size: .95rem; line-height: 1.5; }
    .map-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-card); margin-top: 36px; }
    .map-wrap iframe { display: block; border: none; width: 100%; height: 380px; }

    /* ── Footer ── */
    footer {
      background: var(--dark); color: rgba(255,255,255,.65); padding: 60px 0 0;
    }
    .footer-brand { margin-bottom: 20px; }
    .footer-desc { font-size: .88rem; line-height: 1.75; margin-bottom: 24px; max-width: 300px; }
    .footer-social { display: flex; gap: 10px; }
    .social-btn {
      width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.15); border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      color: rgba(255,255,255,.6); text-decoration: none; font-size: .95rem;
      transition: all .25s;
    }
    .social-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
    .footer-title { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 20px; font-family: 'DM Sans', sans-serif; }
    .footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .footer-links a {
      color: rgba(255,255,255,.55); text-decoration: none; font-size: .88rem;
      display: flex; align-items: center; gap: 8px; transition: color .2s;
    }
    .footer-links a i { font-size: .75rem; color: var(--primary); }
    .footer-links a:hover { color: #fff; }
    .footer-hours { display: flex; flex-direction: column; gap: 8px; }
    .hour-row { display: flex; justify-content: space-between; font-size: .85rem; }
    .hour-day { color: rgba(255,255,255,.55); }
    .hour-time { color: rgba(255,255,255,.85); font-weight: 500; }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.08); margin-top: 50px;
      padding: 20px 0; display: flex; align-items: center;
      justify-content: space-between; flex-wrap: gap-10px;
    }
    .footer-bottom p { font-size: .82rem; color: rgba(255,255,255,.4); margin: 0; }
    .footer-bottom a { color: var(--primary); text-decoration: none; }

    /* ── Scroll-to-top ── */
    #scrollTop {
      position: fixed; bottom: 28px; right: 28px; z-index: 999;
      width: 46px; height: 46px; background: var(--primary); color: #fff;
      border: none; border-radius: 50%; cursor: pointer; font-size: 1rem;
      box-shadow: 0 6px 20px rgba(11,188,214,.45); opacity: 0; pointer-events: none;
      transition: all .3s; display: flex; align-items: center; justify-content: center;
    }
    #scrollTop.visible { opacity: 1; pointer-events: auto; }
    #scrollTop:hover { transform: translateY(-3px); }

    /* ── Scroll reveal ── */
    .reveal { opacity: 0; transform: translateY(28px); transition: opacity .65s ease, transform .65s ease; }
    .reveal.visible { opacity: 1; transform: none; }
    .reveal-left { opacity: 0; transform: translateX(-28px); transition: opacity .65s ease, transform .65s ease; }
    .reveal-left.visible { opacity: 1; transform: none; }
    .reveal-right { opacity: 0; transform: translateX(28px); transition: opacity .65s ease, transform .65s ease; }
    .reveal-right.visible { opacity: 1; transform: none; }

    /* ── Responsive tweaks ── */
    @media (max-width: 768px) {
      section { padding: 64px 0; }
      .hero-float-1, .hero-float-2 { display: none; }
      .hero-img-wrap { margin-top: 50px; }
      .about-exp-badge { bottom: 10px; right: 10px; }
      .form-section-wrap { padding: 28px 20px; }
      .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    }