/* ----- CSS RESET & GLOBAL VARIABLES ----- */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    :root {
      --primary: #1e6fa5;
      --primary-dark: #155a85;
      --primary-light: #e8f4fd;
      --accent: #00b4d8;
      --accent-glow: #48cae4;
      --white: #ffffff;
      --bg-soft: #f0f8ff;
      --bg-cream: #f8fbfe;
      --text-dark: #1a2b3c;
      --text-muted: #5a6b7c;
      --shadow-sm: 0 8px 25px rgba(30,111,165,0.08);
      --shadow-hover: 0 20px 35px rgba(30,111,165,0.15);
      --border-radius-card: 1.5rem;
      --border-radius-btn: 3rem;
      --transition: all 0.3s ease;
      --font-heading: 'Plus Jakarta Sans', sans-serif;
      --font-body: 'Inter', sans-serif;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-body);
      background: linear-gradient(180deg, #f0f8ff 0%, #ffffff 100%);
      color: var(--text-dark);
      line-height: 1.6;
      overflow-x: hidden;
      font-size: 16px;
      width: 100%;
      max-width: 100vw;
    }

    h1, h2, h3, h4, .logo, .section-heading {
      font-family: var(--font-heading);
      font-weight: 700;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 1.3rem;
      width: 100%;
      overflow: hidden;
    }

    /* ----- ANIMATIONS ----- */
    @keyframes float {
      0% { transform: translateY(0px); }
      50% { transform: translateY(-10px); }
      100% { transform: translateY(0px); }
    }
    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(30,111,165,0.4); }
      70% { box-shadow: 0 0 0 18px rgba(30,111,165,0); }
      100% { box-shadow: 0 0 0 0 rgba(30,111,165,0); }
    }
    .floating-item {
      animation: float 4.5s ease-in-out infinite;
    }
    .pulse-animation {
      animation: pulse 2.5s infinite;
    }

    /* ----- NAVBAR (Mobile First Hamburger) ----- */
    .navbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: nowrap;
      padding: 0.8rem 1.6rem;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(20px);
      border-radius: 3rem;
      margin: 0.8rem auto 0;
      box-shadow: var(--shadow-sm);
      position: sticky;
      top: 0.6rem;
      z-index: 95;
      width: 100%;
      border: 1px solid rgba(30,111,165,0.1);
    }

    .logo {
      font-size: 1.7rem;
      font-weight: 800;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 0.5rem;
      white-space: nowrap;
      letter-spacing: -0.5px;
    }
    .logo i {
      font-size: 1.9rem;
      color: var(--accent);
    }

    .nav-links {
      display: flex;
      gap: 1.2rem;
      align-items: center;
      flex-wrap: wrap;
      justify-content: center;
    }
    .nav-links a {
      text-decoration: none;
      color: var(--text-dark);
      font-weight: 500;
      transition: var(--transition);
      display: flex;
      align-items: center;
      gap: 0.3rem;
      padding: 0.4rem 0;
      border-bottom: 2px solid transparent;
      font-size: 0.9rem;
      white-space: nowrap;
    }
    .nav-links a:hover {
      color: var(--primary);
      border-bottom-color: var(--accent);
    }

    .nav-icons {
      display: flex;
      gap: 0.9rem;
      font-size: 1.1rem;
      color: var(--text-dark);
      align-items: center;
    }
    .nav-icons i {
      cursor: pointer;
      transition: var(--transition);
      background: var(--primary-light);
      padding: 0.55rem;
      border-radius: 50%;
      position: relative;
      font-size: 1rem;
      color: var(--primary);
    }
    .nav-icons i:hover {
      background: var(--primary);
      color: white;
      transform: translateY(-2px);
    }

    .hamburger-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.7rem;
      color: var(--primary);
      cursor: pointer;
      padding: 0.3rem;
    }

    /* Mobile menu */
    .mobile-menu-overlay {
      display: none;
      position: fixed;
      top: 0; left: 0; width: 100%; height: 100%;
      background: rgba(0,0,0,0.45);
      z-index: 98;
    }
    .mobile-menu-overlay.active {
      display: block;
    }
    .mobile-menu-panel {
      position: fixed;
      top: 0; right: -320px;
      width: 300px; max-width: 85vw; height: 100vh;
      background: white; z-index: 99;
      transition: right 0.35s ease;
      padding: 2rem 1.5rem; display: flex; flex-direction: column; gap: 0.6rem;
      box-shadow: -10px 0 30px rgba(0,0,0,0.15);
    }
    .mobile-menu-panel.open { right: 0; }
    .mobile-menu-panel .close-btn {
      align-self: flex-end; background: none; border: none;
      font-size: 1.8rem; cursor: pointer; color: var(--text-dark);
    }
    .mobile-menu-panel a {
      text-decoration: none; color: var(--text-dark); font-weight: 500;
      font-size: 1.1rem; padding: 0.7rem 0; border-bottom: 1px solid #eee;
      display: flex; align-items: center; gap: 0.5rem;
    }

    /* Hero Section */
    .hero {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      margin: 2.2rem 0 3rem;
      gap: 2.2rem;
    }
    .hero-text { flex: 1 1 380px; }
    .hero-text h1 {
      font-size: clamp(2.5rem, 5.5vw, 3.8rem);
      line-height: 1.15;
      color: var(--text-dark);
    }
    .highlight {
      color: var(--primary);
      position: relative;
    }
    .highlight::after {
      content: '';
      position: absolute;
      left: 0; bottom: 4px;
      width: 100%; height: 8px;
      background: var(--accent);
      opacity: 0.3;
      z-index: -1;
      border-radius: 20px;
    }
    .hero-image {
      flex: 1 1 320px;
      position: relative;
      display: flex;
      justify-content: center;
    }
    .hero-image img {
      width: 100%;
      max-width: 440px;
      border-radius: 40% 60% 35% 65% / 55% 40% 60% 45%;
      box-shadow: 0 30px 45px rgba(30,111,165,0.25);
      object-fit: cover;
      aspect-ratio: 1/1;
    }

    .btn {
      padding: 0.75rem 1.8rem;
      border-radius: var(--border-radius-btn);
      font-weight: 600;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: var(--transition);
      border: none;
      cursor: pointer;
      font-size: 0.95rem;
      letter-spacing: 0.2px;
    }
    .btn-primary { background: var(--primary); color: white; }
    .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
    .btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
    .btn-outline:hover { background: var(--primary); color: white; }
    .btn-accent { background: var(--accent); color: white; }
    .btn-group { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.2rem; }

    /* Section Titles */
    .section-heading {
      text-align: center;
      margin: 3rem 0 1rem;
      font-size: 2.2rem;
      color: var(--text-dark);
    }
    .section-subtitle {
      text-align: center;
      color: var(--text-muted);
      margin-top: -0.2rem;
      margin-bottom: 2rem;
      font-size: 1rem;
    }

    /* Stats Row */
    .stats-row {
      display: flex;
      flex-wrap: wrap;
      gap: 1.5rem;
      justify-content: center;
      margin: 2rem 0;
    }
    .stat-card {
      background: white;
      padding: 1.5rem 2rem;
      border-radius: 2rem;
      box-shadow: var(--shadow-sm);
      text-align: center;
      min-width: 130px;
      flex: 1;
    }
    .stat-card h3 {
      font-size: 2rem;
      color: var(--primary);
    }

    /* Services Grid */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
      gap: 1.5rem;
      margin: 1.5rem 0 2.5rem;
    }
    .service-card {
      background: white;
      border-radius: var(--border-radius-card);
      padding: 2rem 1.5rem;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      border: 1px solid rgba(30,111,165,0.08);
    }
    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .service-card i {
      font-size: 2.5rem;
      color: var(--primary);
      margin-bottom: 1rem;
    }
    .service-card h3 {
      margin-bottom: 0.5rem;
    }

    /* Doctors Grid */
    .doctors-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 1.8rem;
      margin: 1.5rem 0 2.5rem;
    }
    .doctor-card {
      background: white;
      border-radius: var(--border-radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      text-align: center;
    }
    .doctor-card:hover { transform: translateY(-5px); }
    .doctor-card img {
      width: 100%;
      height: 240px;
      object-fit: cover;
    }
    .doctor-info {
      padding: 1.2rem;
    }

    /* Appointment Section */
    .appointment-section {
      background: white;
      border-radius: 2.5rem;
      padding: 2.5rem;
      margin: 2.5rem 0;
      box-shadow: var(--shadow-sm);
      border: 1px solid rgba(30,111,165,0.1);
    }
    .appointment-form {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 1.2rem;
    }
    .appointment-form input,
    .appointment-form select,
    .appointment-form textarea {
      width: 100%;
      padding: 0.8rem 1.2rem;
      border-radius: 2.5rem;
      border: 1.5px solid #dce8f2;
      font-family: var(--font-body);
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
    }
    .appointment-form input:focus,
    .appointment-form select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(30,111,165,0.1);
    }
    .appointment-form textarea {
      border-radius: 1.5rem;
      grid-column: 1 / -1;
    }

    /* Testimonials */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
      gap: 1.5rem;
      margin: 1.5rem 0 2rem;
    }
    .testimonial-card {
      background: white;
      padding: 2rem;
      border-radius: 2rem;
      box-shadow: var(--shadow-sm);
    }

    /* Contact */
    .contact-section {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 1.8rem;
      margin: 1.5rem 0 2.5rem;
    }
    .contact-card {
      background: white;
      padding: 2rem;
      border-radius: 2rem;
      box-shadow: var(--shadow-sm);
    }

    .promo-banner {
      background: linear-gradient(105deg, #1e6fa5, #00b4d8);
      border-radius: 2.5rem;
      padding: 2rem;
      margin: 2.5rem 0;
      color: white;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1.2rem;
    }

    .footer {
      text-align: center;
      padding: 2.5rem 1.5rem;
      background: #0d2137;
      color: #ccddee;
      border-radius: 2.5rem 2.5rem 0 0;
      margin-top: 2.5rem;
    }

    /* ----- RESPONSIVE BREAKPOINTS ----- */
    @media (min-width: 769px) {
      .nav-links { display: flex !important; }
      .hamburger-btn { display: none !important; }
      .mobile-menu-panel { display: none; }
    }

    @media (max-width: 768px) {
      .container { padding: 0 1rem; }
      .navbar {
        padding: 0.7rem 1.2rem;
        border-radius: 2.5rem;
        justify-content: space-between;
      }
      .nav-links { display: none; }
      .hamburger-btn { display: block; order: 2; }
      .logo { order: 1; font-size: 1.4rem; }
      .nav-icons { order: 3; }
      .hero { flex-direction: column; text-align: center; margin: 1.5rem 0 2rem; }
      .hero-image { order: -1; max-width: 280px; margin: 0 auto; }
      .hero-image img { max-width: 100%; }
      .btn-group { justify-content: center; }
      .section-heading { font-size: 1.9rem; }
      .appointment-section { padding: 1.5rem; }
      .promo-banner { text-align: center; justify-content: center; }
      .services-grid, .doctors-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
    }

    @media (max-width: 480px) {
      .navbar { padding: 0.6rem 1rem; border-radius: 2rem; }
      .logo { font-size: 1.3rem; }
      .logo i { font-size: 1.5rem; }
      .hamburger-btn { font-size: 1.5rem; }
      .nav-icons i { padding: 0.5rem; font-size: 0.9rem; }
      .services-grid, .doctors-grid, .testimonials-grid { grid-template-columns: 1fr; }
      .hero-text h1 { font-size: 2.1rem; }
      .hero-image { max-width: 240px; }
      .appointment-form { grid-template-columns: 1fr; }
      .stat-card { min-width: 100px; padding: 1rem; }
      .stat-card h3 { font-size: 1.5rem; }
    }