:root {
      --primary: #0b6e8e;
      --primary-dark: #084f68;
      --secondary: #20a486;
      --light: #f4fbfd;
      --dark: #17313b;
      --text: #52636a;
      --white: #ffffff;
      --border: #dce9ed;
      --shadow: 0 10px 30px rgba(18, 65, 78, 0.10);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: Arial, Helvetica, sans-serif;
      color: var(--text);
      background: #fff;
      line-height: 1.6;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    img {
      max-width: 100%;
      display: block;
    }

    .container {
      width: min(1120px, 92%);
      margin: auto;
    }

    /* Header */
    header {
      background: var(--white);
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    .nav {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--primary);
      font-size: 1.25rem;
    }

    .logo-icon {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: var(--primary);
      color: white;
      display: grid;
      place-items: center;
      font-size: 1.4rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .nav-links a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--dark);
    }

    .nav-links a:hover {
      color: var(--primary);
    }

    .nav-button {
      background: var(--primary);
      color: white !important;
      padding: 11px 18px;
      border-radius: 8px;
    }

    .menu-toggle {
      display: none;
      border: 0;
      background: none;
      font-size: 1.8rem;
      cursor: pointer;
      color: var(--dark);
    }

    /* Hero */
    .hero {
      background:
        linear-gradient(rgba(7, 72, 91, 0.88), rgba(7, 72, 91, 0.88)),
        linear-gradient(135deg, #0b6e8e, #20a486);
      color: white;
      padding: 85px 0;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 55px;
      align-items: center;
    }

    .hero h1 {
      font-size: clamp(2.2rem, 5vw, 4.2rem);
      line-height: 1.05;
      margin-bottom: 22px;
    }

    .hero p {
      max-width: 650px;
      font-size: 1.1rem;
      opacity: 0.94;
      margin-bottom: 30px;
    }

    .hero-buttons {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-block;
      padding: 14px 22px;
      border-radius: 9px;
      font-weight: 700;
      border: 2px solid transparent;
      transition: 0.2s;
    }

    .btn-primary {
      background: white;
      color: var(--primary);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
    }

    .btn-outline {
      border-color: white;
      color: white;
    }

    .btn-outline:hover {
      background: white;
      color: var(--primary);
    }

    .booking-card {
      background: white;
      color: var(--dark);
      border-radius: 18px;
      padding: 28px;
      box-shadow: 0 20px 50px rgba(0,0,0,.2);
    }

    .booking-card h2 {
      margin-bottom: 18px;
    }

    .form-group {
      margin-bottom: 14px;
    }

    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 5px;
    }

    input,
    select,
    textarea {
      width: 100%;
      padding: 13px 14px;
      border: 1px solid var(--border);
      border-radius: 8px;
      font: inherit;
      outline: none;
    }

    input:focus,
    select:focus,
    textarea:focus {
      border-color: var(--primary);
    }

    .booking-card button {
      width: 100%;
      border: 0;
      cursor: pointer;
      margin-top: 5px;
    }

    /* Trust bar */
    .trust-bar {
      background: var(--light);
      padding: 20px 0;
    }

    .trust-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }

    .trust-item strong {
      display: block;
      color: var(--dark);
      font-size: 1rem;
    }

    .trust-item span {
      font-size: .85rem;
    }

    /* Sections */
    section {
      padding: 80px 0;
    }

    .section-heading {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 45px;
    }

    .section-heading .eyebrow {
      color: var(--secondary);
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      font-size: .8rem;
    }

    .section-heading h2 {
      color: var(--dark);
      font-size: clamp(1.8rem, 4vw, 2.7rem);
      margin: 8px 0 12px;
    }

    /* Services */
    .services {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      padding: 28px;
      border: 1px solid var(--border);
      border-radius: 15px;
      background: white;
      box-shadow: var(--shadow);
    }

    .service-icon {
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: var(--light);
      color: var(--primary);
      font-size: 1.5rem;
      margin-bottom: 17px;
    }

    .service-card h3 {
      color: var(--dark);
      margin-bottom: 8px;
    }

    /* About */
    .about {
      background: var(--light);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 55px;
      align-items: center;
    }

    .about h2 {
      color: var(--dark);
      font-size: 2.4rem;
      margin-bottom: 18px;
    }

    .check-list {
      list-style: none;
      margin-top: 22px;
    }

    .check-list li {
      margin: 12px 0;
      font-weight: 600;
      color: var(--dark);
    }

    .check-list li::before {
      content: "✓";
      display: inline-grid;
      place-items: center;
      width: 24px;
      height: 24px;
      margin-right: 10px;
      border-radius: 50%;
      background: var(--secondary);
      color: white;
      font-size: .8rem;
    }

    .about-image {
      min-height: 380px;
      border-radius: 20px;
      background:
        linear-gradient(rgba(11,110,142,.25), rgba(11,110,142,.25)),
        url("https://images.unsplash.com/photo-1586773860418-d37222d8fce3?auto=format&fit=crop&w=1200&q=80")
        center/cover;
      box-shadow: var(--shadow);
    }

    /* How it works */
    .steps {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .step {
      text-align: center;
      padding: 25px;
    }

    .step-number {
      width: 60px;
      height: 60px;
      margin: 0 auto 18px;
      display: grid;
      place-items: center;
      background: var(--primary);
      color: white;
      border-radius: 50%;
      font-size: 1.3rem;
      font-weight: 800;
    }

    .step h3 {
      color: var(--dark);
      margin-bottom: 8px;
    }

    /* CTA */
    .cta {
      background: var(--primary);
      color: white;
      text-align: center;
    }

    .cta h2 {
      font-size: 2.5rem;
      margin-bottom: 12px;
    }

    .cta p {
      max-width: 650px;
      margin: 0 auto 25px;
      opacity: .9;
    }

    /* Contact */
    .contact-grid {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 45px;
    }

    .contact-info h2 {
      color: var(--dark);
      margin-bottom: 15px;
    }

    .contact-item {
      margin: 20px 0;
    }

    .contact-item strong {
      display: block;
      color: var(--dark);
    }

    /* Footer */
    footer {
      background: #102d36;
      color: #c5d5d9;
      padding: 45px 0 20px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1fr;
      gap: 40px;
    }

    footer h3,
    footer h4 {
      color: white;
      margin-bottom: 12px;
    }

    footer a {
      display: block;
      margin: 7px 0;
      font-size: .9rem;
    }

    footer a:hover {
      color: white;
    }

    .copyright {
      border-top: 1px solid rgba(255,255,255,.1);
      margin-top: 35px;
      padding-top: 18px;
      font-size: .8rem;
      text-align: center;
    }

    /* Mobile */
    @media (max-width: 800px) {
      .menu-toggle {
        display: block;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        padding: 20px;
        flex-direction: column;
        align-items: stretch;
        box-shadow: var(--shadow);
      }

      .nav-links.active {
        display: flex;
      }

      .nav-links a {
        padding: 10px;
      }

      .hero {
        padding: 55px 0;
      }

      .hero-grid,
      .about-grid,
      .contact-grid {
        grid-template-columns: 1fr;
      }

      .trust-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .services,
      .steps {
        grid-template-columns: 1fr;
      }

      .about-image {
        min-height: 280px;
      }

      section {
        padding: 60px 0;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 25px;
      }
    }

    @media (max-width: 480px) {
      .hero h1 {
        font-size: 2.35rem;
      }

      .hero-buttons {
        flex-direction: column;
      }

      .btn {
        width: 100%;
        text-align: center;
      }

      .trust-grid {
        grid-template-columns: 1fr;
      }

      .booking-card {
        padding: 20px;
      }
    }