:root {
        --bg: #0d1424;
        --bg-alt: #131b2c;
        --bg-soft: #0f1827;
        --ink: #fff;
        --ink-soft: #c8cdda;
        --muted: #8b94a8;
        --line: #1f2940;
        --line-strong: #2a3654;
        --accent: #2dd4bf;
        --accent-strong: #5eead4;
        --accent-soft: rgba(45, 212, 191, .08);
        --accent-border: rgba(45, 212, 191, .28);
        --gold: #fbbf24;
        --danger: #f87171;
        --danger-soft: rgba(248, 113, 113, .1);
        --danger-border: rgba(248, 113, 113, .3);
        --serif: "Source Serif 4", Georgia, serif;
        --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
        --mono: "JetBrains Mono", "SF Mono", Menlo, monospace;
    }

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

    html {
        scroll-behavior: smooth
    }

    body {
        font-family: var(--sans);
        color: var(--ink);
        background: var(--bg);
        line-height: 1.55;
        -webkit-font-smoothing: antialiased
    }

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

    .container {
        max-width: 1180px;
        margin: 0 auto;
        padding: 0 28px
    }

    .container-narrow {
        max-width: 880px;
        margin: 0 auto;
        padding: 0 28px
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 50;
        background: rgba(13, 20, 36, .85);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--line)
    }

    .nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 28px;
        max-width: 1280px;
        margin: 0 auto
    }

    .brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-family: var(--serif);
        font-size: 18px;
        font-weight: 600;
        color: #fff
    }

    .brand-mark {
        width: 30px;
        height: 30px;
        border-radius: 6px;
        background: var(--accent);
        color: var(--bg);
        display: grid;
        place-items: center;
        font-family: var(--serif);
        font-weight: 700;
        font-size: 14px;
        font-style: italic
    }

    .brand small {
        display: block;
        font-size: 11px;
        text-transform: uppercase;
        letter-spacing: .14em;
        color: var(--muted);
        font-weight: 500;
        margin-top: 1px
    }

    .nav-links {
        display: flex;
        gap: 26px
    }

    .nav-links a {
        font-size: 14px;
        color: var(--ink-soft);
        font-weight: 500
    }

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

    .nav-cta {
        display: flex;
        gap: 10px
    }

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 11px 18px;
        border-radius: 999px;
        font-size: 14px;
        font-weight: 600;
        border: 1px solid transparent;
        transition: .2s;
        cursor: pointer;
        white-space: nowrap
    }

    .btn-ghost {
        color: #fff;
        border-color: var(--line-strong)
    }

    .btn-ghost:hover {
        background: var(--bg-alt);
        border-color: var(--accent);
        color: var(--accent)
    }

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

    .btn-primary:hover {
        background: var(--accent-strong);
        transform: translateY(-1px)
    }

    .btn-arrow::after {
        content: "→";
        transition: .2s
    }

    .btn-arrow:hover::after {
        transform: translate(3px, 0)
    }

    .menu-toggle {
        display: none;
        background: none;
        border: 0;
        font-size: 22px;
        cursor: pointer;
        color: #fff
    }

    .announce {
        background: var(--bg-soft);
        color: var(--ink-soft);
        font-size: 13px;
        text-align: center;
        padding: 10px 16px;
        border-bottom: 1px solid var(--line)
    }

    .announce strong {
        color: var(--accent);
        font-family: var(--mono);
        letter-spacing: .08em;
        font-size: 12px;
        text-transform: uppercase
    }

    /* HERO */
    .hero {
        padding: 90px 0 70px;
        border-bottom: 1px solid var(--line);
        background: radial-gradient(900px 500px at 50% 5%, rgba(45, 212, 191, .1), transparent 65%);
        text-align: center
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-family: var(--mono);
        font-size: 12px;
        font-weight: 500;
        letter-spacing: .18em;
        text-transform: uppercase;
        color: var(--accent)
    }

    .eyebrow::before {
        content: "—";
        margin-right: 2px
    }

    .display {
        font-family: var(--serif);
        font-size: clamp(40px, 5.5vw, 64px);
        line-height: 1.05;
        letter-spacing: -.025em;
        font-weight: 700;
        margin: 22px auto;
        color: #fff;
        max-width: 820px
    }

    .display em {
        font-style: italic;
        color: var(--accent);
        font-weight: 400
    }

    .lede {
        font-size: 18px;
        line-height: 1.65;
        color: var(--ink-soft);
        max-width: 640px;
        margin: 0 auto
    }

    /* LOOKUP CARD */
    .lookup {
        padding: 0 0 80px;
        border-bottom: 1px solid var(--line);
        background: radial-gradient(900px 500px at 50% 5%, rgba(45, 212, 191, .1), transparent 65%)
    }

    .lookup-card {
        background: var(--bg-alt);
        border: 1px solid var(--accent-border);
        border-radius: 20px;
        padding: 48px;
        max-width: 720px;
        margin: 0 auto;
        box-shadow: 0 30px 80px -30px rgba(45, 212, 191, .18);
        position: relative;
        overflow: hidden;
    }

    .lookup-card::before {
        content: "";
        position: absolute;
        top: -50%;
        right: -15%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(45, 212, 191, .08), transparent 70%);
        pointer-events: none
    }

    .lookup-card>* {
        position: relative;
        z-index: 1
    }

    .lookup-card h2 {
        font-family: var(--serif);
        font-size: 28px;
        font-weight: 700;
        letter-spacing: -.02em;
        color: #fff;
        margin-bottom: 8px;
        text-align: center
    }

    .lookup-card .sub {
        font-size: 15px;
        color: var(--ink-soft);
        margin-bottom: 30px;
        line-height: 1.6;
        text-align: center
    }

    label {
        display: block;
        font-family: var(--mono);
        font-size: 11px;
        letter-spacing: .14em;
        text-transform: uppercase;
        color: var(--muted);
        margin-bottom: 10px;
        font-weight: 600
    }

    .input-row {
        display: flex;
        gap: 12px;
        align-items: stretch
    }

    .input-row input {
        flex: 1;
        background: var(--bg-soft);
        border: 1px solid var(--line);
        border-radius: 12px;
        padding: 16px 18px;
        font-family: var(--mono);
        font-size: 15px;
        color: #fff;
        letter-spacing: .04em;
        transition: border-color .15s ease, background .15s ease;
    }

    .input-row input::placeholder {
        color: var(--muted);
        font-family: var(--mono)
    }

    .input-row input:focus {
        outline: none;
        border-color: var(--accent);
        background: var(--bg)
    }

    .input-row button {
        background: var(--accent);
        color: var(--bg);
        font-family: var(--sans);
        font-size: 15px;
        font-weight: 600;
        padding: 0 30px;
        border: 0;
        border-radius: 12px;
        cursor: pointer;
        transition: .2s;
        letter-spacing: .01em;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .input-row button:hover {
        background: var(--accent-strong)
    }

    .input-row button::after {
        content: "→";
        transition: .2s
    }

    .input-row button:hover::after {
        transform: translate(3px, 0)
    }

    .helper {
        font-size: 13px;
        color: var(--muted);
        margin-top: 14px;
        text-align: center
    }

    .helper code {
        font-family: var(--mono);
        color: var(--accent);
        background: var(--accent-soft);
        padding: 2px 8px;
        border-radius: 4px;
        letter-spacing: .04em;
        font-size: 12px
    }

    /* RESULT STATES */
    .result {
        margin-top: 28px;
        padding: 28px;
        border-radius: 14px;
        display: none
    }

    .result.show {
        display: block;
        animation: fadeIn .25s ease
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(8px)
        }

        to {
            opacity: 1;
            transform: translateY(0)
        }
    }

    .result.valid {
        background: var(--accent-soft);
        border: 1px solid var(--accent-border)
    }

    .result.invalid {
        background: var(--danger-soft);
        border: 1px solid var(--danger-border)
    }

    .result-head {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-bottom: 18px
    }

    .result-ico {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        display: grid;
        place-items: center;
        font-size: 24px;
        font-weight: 700;
        font-family: var(--serif);
    }

    .result.valid .result-ico {
        background: var(--accent);
        color: var(--bg)
    }

    .result.invalid .result-ico {
        background: var(--danger);
        color: var(--bg)
    }

    .result-head h3 {
        font-family: var(--serif);
        font-size: 22px;
        font-weight: 700;
        letter-spacing: -.01em;
        color: #fff;
        line-height: 1.2
    }

    .result-head .result-sub {
        font-size: 13px;
        color: var(--ink-soft);
        margin-top: 2px;
        font-family: var(--mono);
        letter-spacing: .04em
    }

    .result-detail {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px;
        margin-top: 16px;
        padding-top: 18px;
        border-top: 1px solid var(--line)
    }

    .detail-item {
        font-size: 13.5px
    }

    .detail-item .detail-label {
        display: block;
        font-family: var(--mono);
        font-size: 10.5px;
        letter-spacing: .14em;
        text-transform: uppercase;
        color: var(--muted);
        font-weight: 600;
        margin-bottom: 5px
    }

    .detail-item .detail-value {
        color: #fff;
        font-weight: 500
    }

    .result.invalid p {
        font-size: 14.5px;
        color: var(--ink-soft);
        line-height: 1.6
    }

    /* INFO SECTIONS */
    section {
        padding: 80px 0;
        border-bottom: 1px solid var(--line)
    }

    .section-label {
        display: flex;
        align-items: center;
        gap: 10px;
        font-family: var(--mono);
        font-size: 12px;
        font-weight: 500;
        letter-spacing: .18em;
        text-transform: uppercase;
        color: var(--accent);
        margin-bottom: 18px
    }

    .section-title {
        font-family: var(--serif);
        font-size: clamp(32px, 4.2vw, 48px);
        line-height: 1.05;
        letter-spacing: -.02em;
        font-weight: 700;
        color: #fff;
        max-width: 780px;
        margin-bottom: 18px
    }

    .section-title em {
        font-style: italic;
        color: var(--accent);
        font-weight: 400
    }

    .section-intro {
        font-size: 17px;
        line-height: 1.65;
        color: var(--ink-soft);
        max-width: 720px
    }

    /* STEPS */
    .steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 0;
        margin-top: 42px;
        border: 1px solid var(--line);
        border-radius: 14px;
        overflow: hidden;
        background: var(--bg-alt)
    }

    .step {
        padding: 30px 26px;
        border-right: 1px solid var(--line);
        display: flex;
        flex-direction: column
    }

    .step:last-child {
        border-right: 0
    }

    .step-num {
        font-family: var(--serif);
        font-style: italic;
        font-size: 42px;
        font-weight: 700;
        color: var(--accent);
        line-height: 1;
        margin-bottom: 14px
    }

    .step h4 {
        font-family: var(--serif);
        font-size: 19px;
        font-weight: 700;
        letter-spacing: -.01em;
        color: #fff;
        margin-bottom: 8px;
        line-height: 1.25
    }

    .step p {
        font-size: 13.5px;
        color: var(--ink-soft);
        line-height: 1.6
    }

    /* CARDS */
    .grid-3 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        margin-top: 42px
    }

    .card {
        background: var(--bg-alt);
        border: 1px solid var(--line);
        border-radius: 14px;
        padding: 28px;
        transition: .2s;
        display: flex;
        flex-direction: column
    }

    .card:hover {
        border-color: var(--accent-border);
        background: #16203a;
        transform: translateY(-2px)
    }

    .card .ico {
        width: 46px;
        height: 46px;
        border-radius: 10px;
        background: var(--accent-soft);
        border: 1px solid var(--accent-border);
        color: var(--accent);
        display: grid;
        place-items: center;
        font-size: 22px;
        margin-bottom: 18px;
        font-family: var(--serif);
        font-weight: 700
    }

    .card h3 {
        font-family: var(--serif);
        font-size: 20px;
        font-weight: 700;
        letter-spacing: -.01em;
        color: #fff;
        margin-bottom: 10px;
        line-height: 1.25
    }

    .card p {
        font-size: 14.5px;
        color: var(--ink-soft);
        line-height: 1.6
    }

    /* CTA */
    .cta-strip {
        background: linear-gradient(135deg, var(--bg-alt) 0%, #16203a 100%);
        border: 1px solid var(--accent-border);
        border-radius: 18px;
        padding: 50px 48px;
        margin-top: 50px;
        display: grid;
        grid-template-columns: 1.4fr 1fr;
        gap: 36px;
        align-items: center;
        position: relative;
        overflow: hidden
    }

    .cta-strip::before {
        content: "";
        position: absolute;
        top: -50%;
        right: -15%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(45, 212, 191, .12), transparent 70%)
    }

    .cta-strip>* {
        position: relative;
        z-index: 1
    }

    .cta-strip h2 {
        font-family: var(--serif);
        font-size: clamp(26px, 3vw, 36px);
        font-weight: 700;
        letter-spacing: -.02em;
        line-height: 1.15;
        color: #fff;
        margin-bottom: 14px
    }

    .cta-strip h2 em {
        font-style: italic;
        color: var(--accent);
        font-weight: 400
    }

    .cta-strip p {
        font-size: 16px;
        color: var(--ink-soft);
        line-height: 1.6
    }

    /* FOOTER */
    footer {
        background: var(--bg-soft);
        color: var(--ink-soft);
        padding: 60px 0 30px;
        border-top: 1px solid var(--line)
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 40px
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-family: var(--serif);
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px
    }

    .footer-tag {
        font-size: 14px;
        line-height: 1.6;
        color: var(--muted);
        max-width: 320px
    }

    footer h5 {
        font-family: var(--mono);
        font-size: 11px;
        font-weight: 500;
        letter-spacing: .16em;
        text-transform: uppercase;
        color: var(--accent);
        margin-bottom: 18px
    }

    footer ul {
        list-style: none
    }

    footer li {
        margin-bottom: 11px
    }

    footer a {
        font-size: 14px;
        color: var(--ink-soft);
        transition: color .15s
    }

    footer a:hover {
        color: var(--accent)
    }

    .footer-bottom {
        margin-top: 50px;
        padding-top: 24px;
        border-top: 1px solid var(--line);
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 14px;
        font-size: 12px;
        color: var(--muted);
        font-family: var(--mono);
        letter-spacing: .04em
    }

    .footer-bottom em {
        color: var(--accent);
        font-family: var(--serif);
        font-style: italic
    }

    @media (max-width:900px) {
        .nav-links {
            display: none
        }

        .menu-toggle {
            display: block;
            color: #fff
        }

        .steps,
        .grid-3 {
            grid-template-columns: repeat(2, 1fr)
        }

        .step {
            border-right: 0;
            border-bottom: 1px solid var(--line)
        }

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

        .cta-strip {
            grid-template-columns: 1fr;
            padding: 36px 28px
        }

        .input-row {
            flex-direction: column
        }

        .lookup-card {
            padding: 32px 24px
        }

        .result-detail {
            grid-template-columns: 1fr
        }
    }

    @media (max-width:600px) {

        .steps,
        .grid-3 {
            grid-template-columns: 1fr
        }

        .footer-grid {
            grid-template-columns: 1fr
        }
    }
    
    .menu_logo a.brand {
    color: #000;
}