/* Reset & base */
    *, *::before, *::after {
      box-sizing: border-box;
    }
    body {
      margin: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: #f9fafb; color: #333;
      line-height: 1.6;
      scroll-behavior: smooth;
    }
    a {
      color: #0077cc;
      text-decoration: none;
    }
    a:hover, a:focus {
      text-decoration: underline;
    }
    img {
      max-width: 100%;
      display: block;
    }
    h1,h2,h3,h4,h5,h6 {
      margin-top: 0;
      font-weight: 700;
      color: #222;
    }
    p {
      margin: 0 0 1rem 0;
    }
    button {
      cursor: pointer;
      border: none;
      background-color: #0077cc;
      color: white;
      padding: 0.6em 1.2em;
      font-size: 1rem;
      border-radius: 4px;
      transition: background-color 0.3s ease;
    }
    button:hover, button:focus {
      background-color: #005fa3;
      outline: none;
    }
    input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
      padding: 0.5em;
      border: 1px solid #ccc;
      border-radius: 4px;
      width: 100%;
      transition: border-color 0.3s ease;
    }
    input:focus, select:focus, textarea:focus {
      border-color: #0077cc;
      outline: none;
    }
    label {
      display: block;
      margin-bottom: 0.3em;
      font-weight: 600;
    }
    /* Container */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1rem;
    }
    /* Header */
    header {
      background-color: #0077cc;
      color: white;
      padding: 1rem 0;
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    header nav a {
      margin-left: 1.5rem;
      font-weight: 600;
      color: white;
    }
    header nav a:hover, header nav a:focus {
      text-decoration: underline;
    }
    header .logo {
      font-size: 1.5rem;
      font-weight: 700;
      letter-spacing: 1px;
    }
    /* Hero */
    .hero {
      background: url('../img/hero.jpg') center/cover no-repeat;
      color: white;
      padding: 6rem 1rem 4rem;
      text-align: center;
      position: relative;
    }
    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(0, 119, 204, 0.6);
      z-index: 0;
    }
    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 700px;
      margin: 0 auto;
    }
    .hero h1 {
      font-size: 2.8rem;
      margin-bottom: 0.5rem;
      line-height: 1.1;
      color: #fff;
    }
    .hero p {
      font-size: 1.25rem;
      margin-bottom: 1.5rem;
    }
    .hero button {
      font-size: 1.1rem;
      padding: 0.75em 2em;
      border-radius: 30px;
      font-weight: 700;
      box-shadow: 0 4px 10px rgba(0,119,204,0.5);
    }
    /* Sections */
    section {
      padding: 4rem 0;
      background: white;
    }
    section.alt-bg {
      background: #f0f4f8;
    }
    section h2 {
      text-align: center;
      font-size: 2.5rem;
      margin-bottom: 1rem;
      color: #0077cc;
    }
    section p.lead {
      max-width: 700px;
      margin: 0 auto 3rem auto;
      font-size: 1.15rem;
      color: #555;
      text-align: center;
    }
    /* About */
    #about .about-content {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 2rem;
      max-width: 1000px;
      margin: 0 auto;
    }
    #about .about-text {
      flex: 1 1 400px;
    }
    #about .about-image {
      flex: 1 1 400px;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    }
    /* Services */
    #services .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
      gap: 2rem;
      max-width: 1100px;
      margin: 0 auto;
    }
    #services .service-card {
      background: white;
      border-radius: 12px;
      padding: 1.8rem 1.5rem;
      box-shadow: 0 4px 15px rgba(0,0,0,0.07);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      cursor: default;
    }
    #services .service-card:hover, #services .service-card:focus-within {
      transform: translateY(-6px);
      box-shadow: 0 10px 25px rgba(0,0,0,0.12);
    }
    #services .service-card h3 {
      margin-bottom: 0.8rem;
      color: #0077cc;
    }
    /* Why Choose Us */
    #why-choose .choose-list {
      max-width: 900px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
      gap: 2rem;
    }
    #why-choose .choose-item {
      background: white;
      border-radius: 12px;
      padding: 1.5rem 1.2rem;
      box-shadow: 0 4px 15px rgba(0,0,0,0.07);
      text-align: center;
    }
    #why-choose .choose-item h4 {
      margin-bottom: 0.5rem;
      color: #0077cc;
    }
    /* Health Care Plan */
    #healthcare-plan .plan-cards {
      max-width: 1000px;
      margin: 0 auto;
      display: flex;
      flex-wrap: wrap;
      gap: 2rem;
      justify-content: center;
    }
    #healthcare-plan .plan-card {
      background: white;
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.07);
      padding: 2rem 1.5rem;
      flex: 1 1 280px;
      max-width: 320px;
      text-align: center;
      transition: box-shadow 0.3s ease;
    }
    #healthcare-plan .plan-card:hover, #healthcare-plan .plan-card:focus-within {
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    }
    #healthcare-plan .plan-card h3 {
      margin-bottom: 1rem;
      color: #0077cc;
    }
    #healthcare-plan .plan-card ul {
      list-style: none;
      padding: 0;
      margin: 0 0 1rem 0;
      text-align: left;
    }
    #healthcare-plan .plan-card ul li {
      margin-bottom: 0.5rem;
      padding-left: 1.2rem;
      position: relative;
    }
    #healthcare-plan .plan-card ul li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: #0077cc;
      font-weight: 700;
    }
    /* Contact & Appointment */
    #contact .contact-grid {
      max-width: 1000px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
    }
    #contact .contact-info {
      font-size: 1rem;
      color: #444;
    }
    #contact .contact-info h3 {
      margin-bottom: 1rem;
      color: #0077cc;
    }
    #contact form {
      background: white;
      padding: 2rem 1.5rem;
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.07);
    }
    #contact form .form-group {
      margin-bottom: 1.2rem;
    }
    #contact form textarea {
      resize: vertical;
      min-height: 80px;
    }
    #contact form select {
      appearance: none;
      background: url('data:image/svg+xml;utf8,<svg fill="gray" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>') no-repeat right 0.75rem center/1em 1em;
      padding-right: 2rem;
    }
    #contact .confirmation-message {
      background-color: #d4edda;
      border: 1px solid #c3e6cb;
      color: #155724;
      padding: 1rem 1.5rem;
      border-radius: 6px;
      margin-bottom: 1rem;
      font-weight: 600;
      text-align: center;
    }
    /* Testimonials */
    #testimonials .testimonials-wrapper {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 2rem;
    }
    #testimonials .testimonial {
      background: white;
      border-radius: 12px;
      padding: 1.8rem 1.5rem;
      box-shadow: 0 4px 15px rgba(0,0,0,0.07);
      font-style: italic;
      position: relative;
    }
    #testimonials .testimonial::before {
      content: "“";
      font-size: 3rem;
      color: #0077cc;
      position: absolute;
      top: 0.2rem;
      left: 1rem;
      font-weight: 700;
      font-family: serif;
    }
    #testimonials .testimonial p {
      margin-bottom: 1rem;
      font-style: normal;
    }
    #testimonials .testimonial .author {
      font-weight: 700;
      color: #0077cc;
    }
    #testimonials .testimonial .role {
      font-size: 0.9rem;
      color: #666;
    }
    /* Footer */
    footer {
      background-color: #222;
      color: #ccc;
      padding: 2rem 1rem;
      font-size: 0.9rem;
      text-align: center;
      position: relative;
    }
    footer a {
      color: #66aaff;
      margin: 0 0.5rem;
      font-weight: 600;
    }
    footer a:hover, footer a:focus {
      text-decoration: underline;
    }
    footer .footer-links {
      margin-bottom: 1rem;
    }
    /* Modal */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.5);
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 2000;
      padding: 1rem;
      overflow-y: auto;
    }
    .modal {
      background: white;
      max-width: 600px;
      width: 100%;
      border-radius: 12px;
      padding: 2rem 2.5rem;
      position: relative;
      box-shadow: 0 10px 30px rgba(0,0,0,0.3);
      max-height: 90vh;
      overflow-y: auto;
    }
    .modal h3 {
      margin-top: 0;
      margin-bottom: 1rem;
      color: #0077cc;
    }
    .modal p {
      margin-bottom: 1rem;
      color: #444;
      line-height: 1.5;
    }
    .modal button.close-btn {
      position: absolute;
      top: 1rem;
      right: 1rem;
      background: transparent;
      color: #0077cc;
      font-size: 1.5rem;
      font-weight: 700;
      border: none;
      cursor: pointer;
      line-height: 1;
    }
    /* Newsletter Modal Form */
    #newsletter-form label {
      font-weight: 600;
    }
    #newsletter-form input[type="checkbox"] {
      width: auto;
      margin-right: 0.5rem;
      vertical-align: middle;
    }
    #newsletter-form .form-group {
      margin-bottom: 1rem;
    }
    /* Responsive */
    @media (max-width: 768px) {
      #contact .contact-grid {
        grid-template-columns: 1fr;
      }
      #about .about-content {
        flex-direction: column;
      }
      #healthcare-plan .plan-cards {
        flex-direction: column;
        align-items: center;
      }
    }