:root{
      --ocean-900:#0b3c5d;
      --ocean-800:#125b84;
      --ocean-700:#1d7aa7;
      --ocean-100:#e7f4fb;
      --ocean-50:#f3faff;
      --sand-50:#fbfdff;
      --ink-900:#0f1720;
      --ink-700:#334155;
      --ink-500:#64748b;
      --white:#ffffff;
      --success:#0f766e;
      --radius-sm:10px;
      --radius-md:16px;
      --radius-lg:24px;
      --shadow-sm:0 8px 24px rgba(11,60,93,.08);
      --shadow-md:0 18px 40px rgba(11,60,93,.14);
      --space-1:.5rem;
      --space-2:.75rem;
      --space-3:1rem;
      --space-4:1.5rem;
      --space-5:2rem;
      --space-6:3rem;
      --space-7:4rem;
      --maxw:1120px;
      --font-stack:"Nunito","Avenir Next","Segoe UI",Roboto,Arial,sans-serif;
    }

    *{box-sizing:border-box}
    html,body{margin:0;padding:0}
    body{
      font-family:var(--font-stack);
      color:var(--ink-900);
      background:
        radial-gradient(circle at 10% 10%, rgba(29,122,167,.12), transparent 35%),
        radial-gradient(circle at 90% 20%, rgba(18,91,132,.10), transparent 36%),
        linear-gradient(180deg, var(--sand-50), #f8fcff 45%, #ffffff 100%);
      line-height:1.6;
    }

    .container{width:min(var(--maxw), 92vw); margin-inline:auto}
    .section{padding:var(--space-7) 0}
    .section.alt{
      background:
        linear-gradient(180deg, rgba(231,244,251,.9), rgba(243,250,255,.7)),
        repeating-linear-gradient(45deg, rgba(255,255,255,.45) 0 10px, rgba(255,255,255,.22) 10px 20px);
      border-top:1px solid rgba(18,91,132,.08);
      border-bottom:1px solid rgba(18,91,132,.08);
    }

    h1,h2,h3{line-height:1.2;margin:0 0 var(--space-3)}
    h1{font-size:clamp(2rem, 4vw, 3.25rem); letter-spacing:.2px}
    h2{font-size:clamp(1.4rem, 2.6vw, 2rem)}
    h3{font-size:1.15rem}
    p{margin:0 0 var(--space-3); color:var(--ink-700)}
    a{color:var(--ocean-800)}
    .muted{color:var(--ink-500)}

    .skip-link{
      position:absolute; left:-9999px; top:auto;
      width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:1rem; top:1rem; width:auto; height:auto;
      background:#fff; padding:.5rem .75rem; border-radius:8px;
      box-shadow:var(--shadow-sm); z-index:9999;
    }

    header{
      position:sticky; top:0; z-index:1000;
      background:rgba(255,255,255,.9);
      backdrop-filter:saturate(1.2) blur(8px);
      border-bottom:1px solid rgba(11,60,93,.08);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between;
      gap:var(--space-3); padding:.8rem 0;
    }
    .brand{font-weight:800; color:var(--ocean-900); text-decoration:none; font-size:1.1rem}
    nav ul{display:flex; gap:1rem; list-style:none; margin:0; padding:0; flex-wrap:wrap}
    nav a{text-decoration:none; color:var(--ink-700); font-weight:600}
    nav a:hover, nav a:focus{color:var(--ocean-800)}

    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:.5rem; border:none; border-radius:999px; cursor:pointer;
      text-decoration:none; font-weight:800; padding:.85rem 1.2rem; min-height:44px;
      transition:transform .15s ease, box-shadow .2s ease, background .2s ease;
    }
    .btn:focus-visible{outline:3px solid rgba(29,122,167,.35); outline-offset:2px}
    .btn-primary{
      background:linear-gradient(135deg, var(--ocean-800), var(--ocean-700));
      color:#fff; box-shadow:var(--shadow-sm);
    }
    .btn-primary:hover{transform:translateY(-1px); box-shadow:var(--shadow-md)}
    .btn-secondary{
      background:#fff; color:var(--ocean-900); border:1px solid rgba(11,60,93,.2);
    }

    .hero{
      position:relative;
      padding:clamp(2.5rem, 6vw, 5rem) 0 var(--space-6);
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute; inset:0;
      background:
        radial-gradient(circle at 15% 20%, rgba(255,255,255,.6), transparent 45%),
        linear-gradient(120deg, rgba(18,91,132,.12), rgba(29,122,167,.06));
      pointer-events:none;
    }
    .hero-grid{
      position:relative; z-index:1;
      display:grid; grid-template-columns:1.1fr .9fr; gap:var(--space-5); align-items:center;
    }
    .hero-card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(11,60,93,.1);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-md);
      padding:clamp(1.2rem,2vw,2rem);
    }
    .eyebrow{
      display:inline-block; font-weight:800; color:var(--success);
      background:#ebfffa; border:1px solid #ccfbf1; border-radius:999px;
      padding:.25rem .7rem; margin-bottom:var(--space-3); font-size:.88rem;
    }
    .hero-actions{display:flex; gap:.8rem; flex-wrap:wrap; margin-top:var(--space-4)}
    .hero-image-wrap{
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow-md);
      border:1px solid rgba(11,60,93,.1);
      background:var(--ocean-100);
    }
    .hero-image-wrap img{width:100%; height:100%; display:block; object-fit:cover; aspect-ratio:4/3}

    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:var(--space-4)}
    .grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:var(--space-4)}
    .card{
      background:#fff; border:1px solid rgba(11,60,93,.1);
      border-radius:var(--radius-md); padding:var(--space-4);
      box-shadow:var(--shadow-sm);
    }

    .checklist{padding-left:1.2rem; margin:0}
    .checklist li{margin-bottom:.45rem; color:var(--ink-700)}

    .pricing{
      display:grid; grid-template-columns:1.1fr .9fr; gap:var(--space-4);
      align-items:stretch;
    }
    .price-tag{
      font-size:2rem; font-weight:900; color:var(--ocean-900);
      margin:0 0 .2rem;
    }

    .gallery{
      display:grid; grid-template-columns:repeat(3,1fr); gap:var(--space-3);
    }
    .gallery figure{
      margin:0; border-radius:var(--radius-md); overflow:hidden;
      border:1px solid rgba(11,60,93,.1); background:#fff; box-shadow:var(--shadow-sm);
    }
    .gallery img{width:100%; height:220px; object-fit:cover; display:block}
    .gallery figcaption{padding:.65rem .75rem; font-size:.92rem; color:var(--ink-700)}

    details{
      background:#fff; border:1px solid rgba(11,60,93,.12);
      border-radius:12px; padding:.9rem 1rem;
    }
    details + details{margin-top:.7rem}
    summary{cursor:pointer; font-weight:700; color:var(--ocean-900)}

    .contact-cta{
      background:
        linear-gradient(135deg, rgba(11,60,93,.97), rgba(18,91,132,.94)),
        repeating-linear-gradient(45deg, rgba(255,255,255,.06) 0 8px, rgba(255,255,255,.02) 8px 16px);
      color:#fff;
      border-radius:var(--radius-lg);
      padding:clamp(1.2rem,2.5vw,2rem);
      box-shadow:var(--shadow-md);
    }
    .contact-cta p{color:rgba(255,255,255,.9)}
    .contact-list{list-style:none; margin:0; padding:0}
    .contact-list li{margin:.35rem 0}
    .contact-list a{color:#fff}

    footer{
      padding:2rem 0;
      border-top:1px solid rgba(11,60,93,.1);
      color:var(--ink-500);
      font-size:.94rem;
      background:#fff;
    }

    @media (max-width:900px){
      .hero-grid,.grid-3,.grid-2,.pricing,.gallery{grid-template-columns:1fr}
      nav ul{display:none}
    }