:root {
        --navy: #0a1628;
        --brand: #1d4ed8;
        --brand-dark: #1e40af;
        --teal: #0d9488;
        --gold: #f59e0b;
        --slate: #334155;
        --muted: #64748b;
        --line: #e2e8f0;
        --ice: #f4f7fc;
      }
      * { box-sizing: border-box; }
      body {
        margin: 0;
        font-family: ui-sans-serif, system-ui, sans-serif;
        color: var(--slate);
        background: #fff;
        line-height: 1.55;
      }
      a { color: inherit; }
      .wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem; }
      header {
        background: #fff;
        border-bottom: 1px solid var(--line);
        position: sticky;
        top: 0;
        z-index: 20;
      }
      .nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        min-height: 3.6rem;
      }
      .brand {
        display: flex;
        align-items: center;
        gap: .55rem;
        text-decoration: none;
        font-weight: 800;
        color: var(--navy);
      }
      .brand img { width: 2rem; height: 2rem; }
      .links { display: flex; flex-wrap: wrap; gap: .15rem; align-items: center; }
      .links a {
        text-decoration: none;
        font-size: .875rem;
        font-weight: 500;
        color: var(--muted);
        padding: .45rem .65rem;
        border-radius: .5rem;
      }
      .links a:hover { background: #f1f5f9; color: var(--navy); }
      .links a.current { color: var(--brand-dark); font-weight: 600; }
      .nav-dl {
        margin-left: .35rem;
        padding: .45rem .9rem !important;
        border-radius: .55rem;
        background: var(--brand);
        color: #fff !important;
        font-weight: 700 !important;
        font-size: .8rem !important;
        border: 0;
        cursor: pointer;
      }
      .nav-dl:hover { background: var(--brand-dark) !important; color: #fff !important; }
      .nav-dl:disabled { opacity: .7; cursor: wait; }
      .hero {
        padding: 2rem 0 1.75rem;
        background: #fff;
      }
      h1 {
        margin: 0 0 .5rem;
        font-size: clamp(1.75rem, 3.6vw, 2.55rem);
        line-height: 1.12;
        color: var(--navy);
        letter-spacing: -.025em;
      }
      .lede { font-size: 1.12rem; color: var(--slate); max-width: 36rem; margin: 0 0 .55rem; }
      .lede-sub { font-size: .98rem; color: var(--muted); max-width: 36rem; margin: 0 0 .3rem; }
      .pills { display: flex; flex-wrap: wrap; gap: .4rem; margin: .85rem 0 1rem; }
      .pill {
        background: #f0fdfa;
        border: 1px solid #99f6e4;
        border-radius: 999px;
        padding: .28rem .75rem;
        font-size: .78rem;
        font-weight: 600;
        color: #0f766e;
      }
      .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 0;
        border-radius: .7rem;
        padding: .72rem 1.25rem;
        font-weight: 700;
        font-size: .92rem;
        cursor: pointer;
        text-decoration: none;
      }
      .btn-primary { background: linear-gradient(90deg, var(--brand), var(--brand-dark)); color: #fff; }
      .btn-primary:disabled { opacity: .7; cursor: wait; }
      .btn-ghost { background: #fff; color: var(--brand-dark); border: 1px solid #bfdbfe; }
      .hero-grid {
        display: grid;
        gap: 1.5rem;
        align-items: center;
      }
      @media (min-width: 900px) {
        .hero-grid { grid-template-columns: 0.82fr 1.28fr; gap: 1.75rem; }
      }
      .shot {
        margin: 0;
        background: #fff;
        border: 1px solid #dbe4f0;
        border-radius: 1.1rem;
        padding: .4rem;
        box-shadow: 0 18px 40px -12px rgba(15, 23, 42, .28), 0 8px 16px -10px rgba(30, 64, 175, .18);
        overflow: hidden;
      }
      .shot img {
        width: 100%;
        height: auto;
        display: block;
        border-radius: .8rem;
      }
      section { padding: 2.6rem 0; }
      .sec-white { background: #fff; }
      .sec-ice { background: var(--ice); }
      .sec-faq { background: #f8fafc; }
      h2 { margin: 0 0 1.15rem; color: var(--navy); font-size: 1.5rem; letter-spacing: -.02em; }
      .cards { display: grid; gap: 1rem; }
      @media (min-width: 700px) { .cards { grid-template-columns: 1fr 1fr; } }
      @media (min-width: 1024px) { .cards.four { grid-template-columns: 1fr 1fr 1fr 1fr; } }
      .card {
        background: #fff;
        border: 1px solid #e8eef5;
        border-radius: .9rem;
        padding: 1.15rem 1.15rem 1.2rem;
        box-shadow: 0 4px 14px -8px rgba(15, 23, 42, .12);
        height: 100%;
      }
      .icon {
        width: 2rem;
        height: 2rem;
        border-radius: .55rem;
        background: #eff6ff;
        color: var(--brand-dark);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: .7rem;
      }
      .icon svg { width: 1.05rem; height: 1.05rem; stroke: currentColor; fill: none; stroke-width: 1.8; }
      .card h3 { margin: 0 0 .4rem; color: var(--navy); font-size: 1rem; }
      .card p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.5; }
      .audience {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: .65rem;
      }
      @media (min-width: 700px) { .audience { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
      .chip {
        background: #fff;
        border: 1px solid #e8eef5;
        border-radius: .75rem;
        padding: .7rem .85rem;
        font-weight: 600;
        font-size: .9rem;
        color: var(--navy);
        box-shadow: 0 2px 8px -6px rgba(15, 23, 42, .12);
      }
      .and-other { margin: .9rem 0 0; color: var(--muted); font-size: .92rem; }
      .showcase-cap { margin: .7rem 0 0; color: var(--muted); font-size: .88rem; text-align: center; }
      .benefits { display: grid; gap: .75rem; }
      @media (min-width: 700px) { .benefits { grid-template-columns: 1fr 1fr; } }
      .benefit {
        display: flex;
        gap: .75rem;
        align-items: flex-start;
        background: #fff;
        border: 1px solid #e8eef5;
        border-radius: .85rem;
        padding: .9rem 1rem;
      }
      .benefit strong { display: block; color: var(--navy); font-size: .95rem; }
      .benefit span { color: var(--muted); font-size: .86rem; }
      .tele { margin: 1rem 0 0; font-size: .8rem; color: #94a3b8; max-width: 40rem; }
      .band {
        background: linear-gradient(160deg, #0f1c36 0%, #1e3a8a 55%, #1d4ed8 100%);
        color: #e2e8f0;
        text-align: center;
        padding: 3rem 0;
      }
      .band h2 { color: #fff; margin-bottom: .5rem; }
      .band p { margin: 0 auto .2rem; max-width: 32rem; }
      .band .btn-primary { background: #fff; color: #1e3a8a; margin-top: 1.1rem; }
      .band .ver { margin-top: .85rem; font-size: .88rem; color: #cbd5e1; }
      .verify { margin: .85rem auto 0; max-width: 36rem; text-align: left; }
      .verify summary {
        cursor: pointer;
        color: #93c5fd;
        font-size: .82rem;
        font-weight: 600;
        list-style: none;
      }
      .verify summary::-webkit-details-marker { display: none; }
      .verify p, .verify code {
        display: block;
        margin-top: .4rem;
        font-size: .75rem;
        color: #cbd5e1;
        word-break: break-all;
        font-family: ui-monospace, monospace;
      }
      .err { color: #b91c1c; font-weight: 600; margin-top: .6rem; }
      .band .err { color: #fecaca; }
      .cta-row { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
      details.faq {
        background: #fff;
        border: 1px solid #e8eef5;
        border-radius: .75rem;
        padding: .8rem 1rem;
        margin: 0 0 .5rem;
      }
      details.faq summary { cursor: pointer; font-weight: 600; color: var(--navy); }
      details.faq p { margin: .55rem 0 0; color: var(--muted); }
      footer {
        background: var(--navy);
        color: #94a3b8;
        padding: 1.6rem 0 1.35rem;
        font-size: .85rem;
      }
      footer a { color: #cbd5e1; text-decoration: none; }
      footer a:hover { color: var(--gold); }
      .foot-top {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
      }
      .foot-links { display: flex; flex-wrap: wrap; gap: .85rem 1.1rem; }
      .foot-copy { margin: 1rem 0 0; padding-top: .9rem; border-top: 1px solid #1e293b; font-size: .8rem; }
      .note { font-size: .88rem; color: var(--muted); margin-top: .75rem; }
      @media (max-width: 640px) {
        .nav-dl { width: 100%; }
        .links { justify-content: flex-end; }
      }

      .page { padding: 2.4rem 0 3rem; background: var(--ice); }
      .page-panel { max-width: 42rem; }
      .page-panel h1 { color: var(--navy); font-size: 2rem; margin: 0 0 .75rem; letter-spacing: -.02em; }
      .page-panel h2 { color: var(--navy); font-size: 1.2rem; margin: 1.6rem 0 .5rem; }
      .page-panel p { color: var(--muted); margin: 0 0 1rem; }
      .page-panel p.lede { color: var(--slate); font-size: 1.12rem; }
      .page-panel ul { color: var(--muted); margin: 0 0 1rem; padding-left: 1.2rem; }
      .page-panel a.inline,
      .sec-faq a.inline { color: #1d4ed8; font-weight: 600; text-decoration: none; }
      .page-panel a.inline:hover,
      .sec-faq a.inline:hover { text-decoration: underline; }
      .note.tight { margin-top: 0; }
      .foot-top .brand { color: #fff; }
      header .err { margin: 0; padding: 0 .25rem .55rem; font-size: .85rem; }