:root {
    --bg: #050505;
    --surface: #0b0b0b;
    --surface-light: #111111;
    --text: #f5f5f5;
    --muted: #999999;
    --green: #b6ff00;
    --pink: #ff2d9b;
    --border: rgba(255, 255, 255, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background:
        radial-gradient(
            circle at 10% 10%,
            rgba(182, 255, 0, 0.08),
            transparent 30%
        ),
        radial-gradient(
            circle at 90% 20%,
            rgba(255, 45, 155, 0.08),
            transparent 30%
        ),
        var(--bg);

    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

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

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

/* HEADER */

.site-header {
    border-bottom: 1px solid var(--border);
    padding: 28px 0;
}

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

.brand-logo {
    width: 52px;
    height: 52px;
    object-fit: contain;
    display: block;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;

    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brand-mark {
    width: 42px;
    height: 42px;

    display: grid;
    place-items: center;

    border: 2px solid var(--green);
    border-radius: 50%;

    color: var(--green);

    box-shadow:
        0 0 18px rgba(182, 255, 0, 0.35);
}

.nav-link {
    color: var(--muted);
    font-size: 14px;
}

.nav-link:hover {
    color: var(--green);
}

/* HERO */

.hero {
    min-height: 720px;

    display: grid;
    place-items: center;

    text-align: center;
    padding: 100px 0 120px;
}

.hero-content {
    max-width: 900px;
}

.eyebrow {
    margin-bottom: 26px;

    color: var(--pink);

    font-size: 13px;
    font-weight: 700;

    letter-spacing: 0.22em;
    text-transform: uppercase;
}

h1 {
    margin-bottom: 34px;

    font-size: clamp(3.5rem, 10vw, 8.5rem);
    line-height: 0.92;

    letter-spacing: -0.07em;
}

h1 span {
    color: var(--green);
}

.hero-text {
    max-width: 720px;
    margin: 0 auto;

    color: #bdbdbd;
    font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;

    margin-top: 42px;
}

/* BUTTONS */

.button {
    display: inline-block;

    padding: 15px 26px;

    border: 1px solid var(--green);

    color: var(--green);

    font-size: 13px;
    font-weight: 700;

    letter-spacing: 0.05em;
    text-transform: uppercase;

    transition: 0.2s ease;
}

.button:hover {
    background: var(--green);
    color: #000;

    box-shadow:
        0 0 28px rgba(182, 255, 0, 0.3);
}

.button-secondary {
    border-color: var(--pink);
    color: var(--pink);
}

.button-secondary:hover {
    background: var(--pink);
    color: #000;

    box-shadow:
        0 0 28px rgba(255, 45, 155, 0.3);
}

/* SECTIONS */

.section {
    padding: 110px 0;
    border-top: 1px solid var(--border);
}

.section-label {
    margin-bottom: 18px;

    color: var(--green);

    font-size: 12px;
    font-weight: 700;

    letter-spacing: 0.18em;
    text-transform: uppercase;
}

h2 {
    margin-bottom: 30px;

    font-size: clamp(2.4rem, 6vw, 5rem);
    line-height: 1;

    letter-spacing: -0.05em;
}

.pink {
    color: var(--pink);
}

.intro {
    max-width: 760px;

    color: #bdbdbd;
    font-size: 1.15rem;
}

/* CARDS */

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;

    margin-top: 55px;
}

.card {
    min-height: 230px;

    padding: 30px;

    background:
        linear-gradient(
            145deg,
            var(--surface-light),
            var(--surface)
        );

    border: 1px solid var(--border);

    transition: 0.2s ease;
}

.card:hover {
    border-color: var(--green);
    transform: translateY(-4px);
}

.card-number {
    display: block;

    margin-bottom: 30px;

    color: var(--pink);

    font-size: 13px;
    font-weight: 700;
}

.card h3 {
    margin-bottom: 12px;

    font-size: 1.35rem;
}

.card p {
    color: var(--muted);
}

/* ADDRESSES */

.addresses {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;

    margin-top: 55px;
}

.address-card {
    padding: 26px;

    background: #0a0a0a;
    border: 1px solid var(--border);
}

.address-label {
    margin-bottom: 14px;

    color: var(--pink);

    font-size: 11px;

    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.address-card code {
    display: block;

    margin-bottom: 18px;

    color: var(--green);

    font-family: monospace;
    font-size: 14px;

    word-break: break-all;
}

.address-card button {
    padding: 8px 14px;

    background: transparent;

    border: 1px solid #444;

    color: #aaa;

    cursor: pointer;
}

.address-card button:hover {
    border-color: var(--green);
    color: var(--green);
}

/* NODES */

.nodes {
    margin-top: 20px;
}

.node {
    padding: 22px 0;

    border-bottom: 1px solid var(--border);
}

.node strong {
    display: block;

    margin-bottom: 6px;

    color: var(--pink);
}

.node code {
    color: var(--green);

    font-family: monospace;
    word-break: break-all;
}

/* CTA */

.cta {
    padding: 150px 0;

    text-align: center;

    border-top: 1px solid var(--border);
}

.cta h2 {
    max-width: 850px;
    margin: 0 auto 30px;
}

.cta h2 span {
    color: var(--green);
}

/* FOOTER */

footer {
    padding: 30px 0;

    border-top: 1px solid var(--border);

    color: #666;

    font-size: 13px;
}

/* MOBILE */

@media (max-width: 800px) {
    .cards,
    .addresses {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding: 90px 0 100px;
    }

    .section {
        padding: 80px 0;
    }

    .nav-link {
        display: none;
    }
}