* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Inter', sans-serif;
    }

    :root {
      --medical-blue: #2A9D8F;
      --teal: #4ECDC4;
      --soft-green: #E9F5E9;
      --white: #ffffff;
      --slate: #f8fafc;
      --text-dark: #1e293b;
      --shadow-sm: 0 8px 20px rgba(0, 50, 50, 0.08);
      --shadow-hover: 0 16px 30px rgba(42, 157, 143, 0.12);
      --border-radius-card: 28px;
      --transition: all 0.3s ease;
    }

    body {
      background-color: var(--white);
      color: var(--text-dark);
      line-height: 1.5;
      scroll-behavior: smooth;
    }

    /* sticky header */
    .sticky-header {
      position: sticky;
      top: 0;
      background: rgba(255,255,255,0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      box-shadow: 0 4px 20px rgba(0,0,0,0.02);
      z-index: 50;
      padding: 0.8rem 5%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      border-bottom: 1px solid rgba(42,157,143,0.1);
    }

    .logo {
      font-size: 1.7rem;
      font-weight: 700;
      color: var(--medical-blue);
      letter-spacing: -0.02em;
    }
    .logo i {
      color: var(--teal);
      margin-right: 6px;
    }

    .nav-links {
      display: flex;
      gap: 2rem;
      align-items: center;
      flex-wrap: wrap;
    }
    .nav-links a {
      text-decoration: none;
      color: var(--text-dark);
      font-weight: 500;
      transition: var(--transition);
      position: relative;
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 0%;
      height: 2.5px;
      background: var(--teal);
      border-radius: 4px;
      transition: 0.25s;
    }
    .nav-links a:hover {
      color: var(--medical-blue);
    }
    .nav-links a:hover::after {
      width: 100%;
    }

    .btn {
      background: white;
      border: 1.5px solid var(--medical-blue);
      color: var(--medical-blue);
      padding: 0.6rem 1.8rem;
      border-radius: 60px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 10px rgba(42,157,143,0.1);
    }
    .btn-primary {
      background: var(--medical-blue);
      color: white;
      border: none;
    }
    .btn-primary:hover {
      background: #1e7d6f;
      transform: scale(1.02);
      box-shadow: var(--shadow-hover);
    }
    .btn-outline:hover {
      background: var(--soft-green);
      border-color: var(--teal);
    }

    /* sections general */
    section {
      padding: 5rem 5%;
      max-width: 1400px;
      margin: 0 auto;
    }
    .section-title {
      font-size: 2.4rem;
      font-weight: 700;
      color: var(--medical-blue);
      margin-bottom: 1rem;
      text-align: center;
    }
    .section-sub {
      text-align: center;
      color: #3b5e5b;
      max-width: 650px;
      margin: 0 auto 3rem;
      font-size: 1.2rem;
    }

    /* reveal animation */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s cubic-bezier(0.2, 0.9, 0.3, 1);
    }
    .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }

    /* cards */
    .card {
      background: white;
      border-radius: var(--border-radius-card);
      padding: 2rem 1.5rem;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      border: 1px solid rgba(78, 205, 196, 0.1);
    }
    .card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
    }

    /* hero */
    .hero {
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      gap: 3rem;
      padding-top: 2rem;
    }
    .hero h1 {
      font-size: 3.3rem;
      font-weight: 700;
      line-height: 1.2;
      color: var(--text-dark);
    }
    .hero h1 span {
      color: var(--medical-blue);
      border-bottom: 4px solid var(--teal);
    }
    .hero-btns {
      display: flex;
      gap: 1.2rem;
      margin: 2.5rem 0 2rem;
    }
    .floating-icons {
      display: flex;
      gap: 1.5rem;
      font-size: 2.2rem;
      color: var(--teal);
      margin-top: 2rem;
    }
    .floating-icons i {
      background: rgba(78, 205, 196, 0.1);
      padding: 0.8rem;
      border-radius: 50%;
      animation: float 3s infinite ease-in-out;
    }
    .floating-icons i:nth-child(2) { animation-delay: 0.4s; }
    .floating-icons i:nth-child(3) { animation-delay: 0.8s; }

    @keyframes float {
      0% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
      100% { transform: translateY(0); }
    }

    .hero-image {
      background: linear-gradient(145deg, var(--soft-green), #d4f0f0);
      border-radius: 50px 50px 50px 200px;
      padding: 1rem;
      box-shadow: var(--shadow-sm);
      text-align: center;
    }
    .hero-image img {
      max-width: 100%;
      border-radius: 40px 40px 40px 180px;
      object-fit: cover;
      aspect-ratio: 1/1;
    }

    /* about */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
      align-items: center;
    }
    .about-image img {
      width: 100%;
      border-radius: 40px 40px 100px 40px;
    }
    .about-features {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
      margin-top: 2rem;
    }
    .feature-item i {
      color: var(--medical-blue);
      font-size: 2rem;
      background: var(--soft-green);
      padding: 0.8rem;
      border-radius: 20px;
    }

    /* services grid */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .service-card {
      text-align: center;
    }
    .service-card i {
      font-size: 2.8rem;
      color: white;
      background: var(--medical-blue);
      padding: 0.9rem;
      border-radius: 30px;
      margin-bottom: 1rem;
      transition: 0.2s;
    }
    .service-card:hover i {
      background: var(--teal);
      transform: rotate(2deg) scale(1.05);
    }

    /* stats counters (in why choose us) */
    .stats-container {
      display: flex;
      justify-content: space-around;
      flex-wrap: wrap;
      background: linear-gradient(135deg, var(--soft-green), #f0fcfc);
      border-radius: 80px;
      padding: 2.5rem 1rem;
      margin-bottom: 3rem;
    }
    .stat-item {
      text-align: center;
    }
    .stat-number {
      font-size: 2.8rem;
      font-weight: 700;
      color: var(--medical-blue);
    }

    .why-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }

    /* plans */
    .plans-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .plan-card {
      background: white;
      border-radius: 40px;
      padding: 2rem;
      box-shadow: var(--shadow-sm);
      border: 1px solid rgba(42,157,143,0.2);
      transition: 0.3s;
      position: relative;
    }
    .plan-card.popular {
      border: 2px solid var(--teal);
      transform: scale(1.02);
      background: #fafffe;
    }
    .popular-badge {
      position: absolute;
      top: -12px;
      left: 30px;
      background: var(--teal);
      color: white;
      padding: 0.3rem 1.5rem;
      border-radius: 40px;
      font-weight: 600;
    }
    .plan-card ul {
      list-style: none;
      margin: 2rem 0;
    }
    .plan-card li {
      margin: 0.8rem 0;
    }
    .plan-card li i {
      color: var(--medical-blue);
      margin-right: 0.5rem;
    }

    /* contact + appointment */
    .contact-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 2.5rem;
    }
    .appointment-form {
      background: white;
      border-radius: 40px;
      padding: 2.5rem;
      box-shadow: var(--shadow-sm);
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
      margin-bottom: 1rem;
    }
    .appointment-form input, .appointment-form select, .appointment-form textarea {
      width: 100%;
      padding: 0.9rem 1.2rem;
      border: 1px solid #d0e6e5;
      border-radius: 30px;
      font-size: 1rem;
      background: #f9fdfd;
      transition: 0.2s;
    }
    .appointment-form input:focus {
      border-color: var(--teal);
      outline: none;
    }
    .contact-details {
      background: var(--soft-green);
      border-radius: 40px;
      padding: 2.5rem;
    }
    .info-line {
      display: flex;
      gap: 1rem;
      margin: 1.5rem 0;
    }
    .map-placeholder {
      background: #cbd5e0;
      height: 160px;
      border-radius: 30px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #2d4f4b;
      margin-top: 2rem;
    }

    /* testimonial carousel */
    .carousel-container {
      position: relative;
      overflow: hidden;
      border-radius: 50px;
    }
    .testimonial-track {
      display: flex;
      transition: transform 0.5s ease;
    }
    .testimonial-card {
      flex: 0 0 100%;
      background: white;
      border-radius: 40px;
      padding: 2.5rem;
      box-shadow: var(--shadow-sm);
      margin: 1rem 0;
      text-align: center;
    }
    .stars i {
      color: #fbbf24;
      margin: 0 2px;
    }
    .carousel-btn {
      background: white;
      border: none;
      font-size: 1.8rem;
      color: var(--medical-blue);
      cursor: pointer;
      margin: 1rem 0.5rem;
    }
    .dots {
      text-align: center;
    }
    .dot {
      display: inline-block;
      width: 12px;
      height: 12px;
      background: #ccc;
      border-radius: 50%;
      margin: 0 5px;
      cursor: pointer;
    }
    .dot.active {
      background: var(--medical-blue);
    }

    /* footer */
    footer {
      background: #1a2e3b;
      color: #e0f2f1;
      padding: 3rem 5% 1rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 2rem;
    }
    .footer-grid a {
      color: #b2dfdb;
      text-decoration: none;
      display: block;
      margin: 0.5rem 0;
    }
    .footer-grid a:hover {
      color: white;
    }
    .newsletter-link {
      cursor: pointer;
      color: var(--teal);
      font-weight: 600;
    }
    .copyright {
      border-top: 1px solid #2d4f5a;
      margin-top: 3rem;
      padding-top: 1.5rem;
      text-align: center;
      font-size: 0.9rem;
    }

    /* modal */
    .modal-overlay {
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background: rgba(0, 40, 40, 0.6);
      backdrop-filter: blur(4px);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 200;
    }
    .modal-content {
      background: white;
      max-width: 500px;
      width: 90%;
      border-radius: 50px;
      padding: 2.5rem;
      max-height: 80vh;
      overflow-y: auto;
      box-shadow: var(--shadow-hover);
      position: relative;
    }
    .close-modal {
      position: absolute;
      top: 20px; right: 25px;
      font-size: 2rem;
      cursor: pointer;
    }
    .modal-content h2 {
      color: var(--medical-blue);
    }
    .privacy-text {
      margin: 1.5rem 0;
    }

    /* confirmation messages */
    .confirm-msg {
      background: var(--soft-green);
      padding: 1.2rem;
      border-radius: 30px;
      margin-top: 1rem;
      color: #176b5e;
      font-weight: 500;
    }

    @media (max-width: 1024px) {
      .services-grid, .why-grid, .plans-grid { grid-template-columns: repeat(2,1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .hero, .about-grid, .contact-grid { grid-template-columns: 1fr; }
      .nav-links { display: none; } /* simplified for demo: keep header clean */
      .services-grid, .why-grid, .plans-grid { grid-template-columns: 1fr; }
      .stats-container { flex-direction: column; gap: 2rem; }
    }