    :root {
      --max: 1180px;
      --radius: 30px;
      --ease: cubic-bezier(0.22, 1, 0.36, 1);
      --navy: #060e33;
      --navy2: #122861;
      --cobalt: #163474;
      --light: #f7f8fc;
      --white: #ffffff;
      --line: #e3e6ee;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
      color: #1a2340;
      background: #ffffff;
      font-family: Quicksand, Arial, sans-serif;
      font-size: 16px;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    img { display: block; max-width: 100%; height: auto; }
    h1, h2, h3 { font-family: Questrial, Madefor, sans-serif; font-weight: 400; line-height: 1.12; letter-spacing: -0.02em; color: var(--navy); }
    a { color: inherit; text-decoration: none; }
    a:hover { text-decoration: underline; }
    :focus-visible { outline: 3px solid var(--cobalt); outline-offset: 3px; border-radius: 4px; }

    /* Header */
    .site-header {
      position: sticky; top: 0; z-index: 100;
      padding: 10px 22px;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
    }
    .nav-shell { max-width: var(--max); min-height: 50px; margin: auto; display: flex; align-items: center; }
    .brand { display: flex; align-items: center; gap: 0.6rem; margin-right: clamp(18px, 3vw, 40px); }
    .brand img { width: 56px; height: 56px; }
    .site-nav { display: flex; align-items: center; gap: clamp(10px, 2vw, 26px); width: 100%; }
    .site-nav a { padding: 8px 2px; color: #47506c; font-size: 12px; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; }
    .site-nav a[aria-current="page"] { color: var(--navy); }
    .nav-cta { margin-left: auto; padding: 0.6rem 1.1rem !important; border-radius: 999px; background: var(--navy); color: #fff !important; }

    /* Hero */
    .hero {
      position: relative; isolation: isolate; overflow: hidden;
      margin: 14px auto 0; width: min(var(--max), calc(100% - 32px));
      border-radius: 42px; padding: 60px 48px;
      background: url("assets/images/obcc-background-home.webp") center 46% / cover no-repeat;
      box-shadow: 0 22px 70px rgba(6,14,51,0.2);
      display: flex; flex-direction: column; justify-content: flex-end; min-height: 420px;
    }
    .hero::before {
      content: ""; position: absolute; z-index: -1; inset: 0;
      background: linear-gradient(105deg, rgba(6,14,51,0.75) 0%, rgba(6,14,51,0.56) 55%, rgba(6,14,51,0.2) 100%);
    }
    .eyebrow { display: inline-block; margin-bottom: 0.8rem; color: #9fd7ef; font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
    .hero h1 { color: #fff; font-size: clamp(34px, 5vw, 58px); max-width: 16ch; margin-bottom: 1rem; }
    .hero .lead { max-width: 60ch; color: #dce4f8; font-size: 18px; line-height: 1.5; margin-bottom: 1.6rem; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
    .btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1.4rem; border-radius: 999px; font-weight: 700; font-size: 15px; transition: transform 0.2s var(--ease), background 0.2s, color 0.2s; }
    .btn:hover { text-decoration: none; transform: translateY(-2px); }
    .btn-primary { background: #fff; color: var(--navy); }
    .btn-primary:hover { background: #9fd7ef; }
    .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.5); }
    .btn-outline:hover { background: rgba(255,255,255,0.12); }
    .hero-proof { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1.4rem; }
    .hero-proof span { padding: 0.4rem 0.8rem; border: 1px solid rgba(255,255,255,0.35); border-radius: 999px; color: #fff; background: rgba(6,14,51,0.3); font-size: 12px; font-weight: 700; letter-spacing: 0.04em; backdrop-filter: blur(10px); }

    /* Page hero (interior pages) */
    .page-hero {
      position: relative; isolation: isolate; overflow: hidden;
      margin: 14px auto 0; width: min(var(--max), calc(100% - 32px));
      border-radius: 42px; padding: 60px 48px;
      background: var(--navy) center 46% / cover no-repeat;
      box-shadow: 0 22px 70px rgba(6,14,51,0.2);
      display: flex; flex-direction: column; justify-content: flex-end; min-height: 420px;
    }
    .page-hero::before {
      content: ""; position: absolute; z-index: -1; inset: 0;
      background: linear-gradient(105deg, rgba(6,14,51,0.75) 0%, rgba(6,14,51,0.56) 55%, rgba(6,14,51,0.2) 100%);
    }
    .page-hero h1 { color: #fff; font-size: clamp(30px, 4vw, 46px); max-width: 20ch; margin-bottom: 0.6rem; }
    .page-hero .lead { max-width: 64ch; color: #dce4f8; font-size: 18px; line-height: 1.5; }

    /* Section */
    .section {
      position: relative; margin: 16px auto 0; width: min(var(--max), calc(100% - 32px));
      padding: 48px; border: 3px solid var(--navy); border-radius: var(--radius);
      background: #ffffff; box-shadow: 0 14px 40px rgba(6,14,51,0.06);
    }
    .section::before { content: ""; position: absolute; top: 0; left: 48px; width: 80px; height: 5px; border-radius: 0 0 5px 5px; background: linear-gradient(90deg, #163474, #65c8d0); }
    .section h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 700; margin-bottom: 1rem; color: #0f1b53; }
    .section .lead { color: #263d78; font-size: 18px; max-width: 64ch; margin-bottom: 1.6rem; }
    .section h3 { font-size: 22px; margin: 1.6rem 0 0.5rem; }
    .section p { color: #06124e; font-size: 17px; max-width: 70ch; margin-bottom: 0.8rem; }
    .section-img { display: block; width: 100%; max-width: 70ch; height: auto; border-radius: 18px; margin: 2.4rem 0 1.2rem; border: 2px solid var(--navy); }
    .bullet-list { list-style: none; display: grid; gap: 10px; margin: 1rem 0 1.6rem; }
    .bullet-list li { position: relative; padding: 14px 18px 14px 44px; border-radius: 14px; background: var(--light); color: #3a4568; }
    .bullet-list li::before { content: "✔"; position: absolute; left: 16px; color: var(--cobalt); font-weight: 700; }

    /* Cards */
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: principle; }
    .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .card { position: relative; overflow: hidden; padding: 26px; border-radius: 18px; background: var(--light); border: 1px solid var(--line); color: #3a4560; transition: transform 0.3s var(--ease), box-shadow 0.3s; }
    .card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(6,14,51,0.12); }
    .card h3 { font-size: 20px; margin: 0 0 0.4rem; }
    .card p { font-size: 14px; margin: 0; }

    /* Team */
    .team-card { display: grid; grid-template-columns: 1fr; gap: 0; padding: 0; overflow: hidden; border-radius: 20px; background: var(--light); border: 1px solid var(--line); }
    .team-card .body { padding: 28px; }
    .team-card h3 { font-size: 24px; margin: 0 0 0.2rem; }
    .team-card .role { color: #263d78; font-weight: 700; font-size: 14px; letter-spacing: 0.02em; margin-bottom: 1rem; }

    /* Steps */
    .step { display: flex; gap: 20px; padding: 20px 0; border-top: 1px solid var(--line); }
    .step:first-of-type { border-top: none; }
    .step .num { flex: 0 0 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; background: var(--navy); color: #fff; font: 700 18px Questrial; }
    .step h3 { margin: 0 0 0.3rem; font-size: 20px; }
    .step p { margin: 0; }

    /* Form */
    .form { display: grid; gap: 16px; max-width: 560px; margin-top: 1.4rem; }
    .form label { font-weight: 700; font-size: 14px; display: block; margin-bottom: 4px; }
    .form input, .form textarea { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: #ffffff; color: #1a2340; font: inherit; }
    .form textarea { min-height: 120px; resize: vertical; }

    /* CTA band */
    .cta-band { margin: 16px auto 0; width: min(var(--max), calc(100% - 32px)); padding: 28px 32px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-radius: 20px; background: var(--navy); color: #fff; }
    .cta-band h2 { color: #fff; font-size: 24px; margin: 0; }
    .cta-band p { color: #c8d4f0; margin: 0.3rem 0 0; }
    .cta-band .btn { flex: 0 0 auto; background: #fff; color: var(--navy); }

    /* Footer */
    .site-footer { margin-top: 20px; padding: 40px 0 20px; background: var(--navy); color: #c8d4f0; }
    .footer-grid { width: min(var(--max), calc(100% - 44px)); margin: auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 30px; }
    .footer-grid h3 { margin: 0 0 0.8rem; color: #fff; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; }
    .footer-grid p, .footer-grid a { display: block; margin: 0.25rem 0; font-size: 14px; color: rgba(255,255,255,0.8); }
    .footer-grid a:hover { color: #fff; }
    .copyright { width: min(var(--max), calc(100% - 44px)); margin: 20px auto 0; padding-top: 14px; border-top: 1px solid rgba(255,255,255,0.16); color: #7a87a8; font-size: 12px; }

    @media (max-width: 820px) {
      .site-nav { display: none; }
      .grid-3, .grid-2 { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .hero, .page-hero { padding: 40px 24px; min-height: 380px; }
      .section { padding: 30px 24px; }
      .cta-band { flex-direction: column; align-items: flex-start; }
    }
