:root {
    --bg: #090909;
    --surface: #101010;
    --surface-2: #151515;
    --text: #f5f5f5;
    --muted: #8d8d8d;
    --line: #242424;
    --red: #ff2a2a;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    -webkit-font-smoothing: antialiased;
}

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

.header {
    height: 76px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    max-width: 1280px;
    margin: auto;
    padding: 0 36px;

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

.brand {
    display: flex;
    align-items: center;
    gap: 12px;

    font-size: 17px;
    font-weight: 700;
    letter-spacing: .12em;
}

.mark {
    width: 0;
    height: 0;

    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 13px solid var(--red);

    transform: rotate(90deg);
}

nav {
    display: flex;
    gap: 28px;

    font-size: 13px;
    color: var(--muted);
}

nav a {
    transition: color .2s ease;
}

nav a:hover {
    color: white;
}

.hero {
    min-height: calc(100vh - 76px);

    display: flex;
    align-items: center;

    max-width: 1280px;
    margin: auto;

    padding: 80px 36px;
}

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

.eyebrow {
    color: var(--red);

    font-size: 12px;
    font-weight: 600;
    letter-spacing: .18em;

    margin-bottom: 26px;
}

h1 {
    margin: 0;

    font-size: clamp(54px, 8vw, 112px);
    line-height: .94;
    letter-spacing: -.055em;

    font-weight: 600;
}

.lead {
    max-width: 600px;

    margin-top: 38px;

    color: var(--muted);

    font-size: 19px;
    line-height: 1.6;
}

.button {
    display: inline-block;

    margin-top: 28px;
    padding: 14px 24px;

    border: 1px solid #343434;

    font-size: 13px;

    transition:
        background .2s ease,
        border-color .2s ease;
}

.button:hover {
    background: #151515;
    border-color: #555;
}

.section {
    max-width: 1280px;
    margin: auto;

    padding: 120px 36px;

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

.section-label {
    color: var(--muted);

    font-size: 11px;
    letter-spacing: .18em;

    margin-bottom: 60px;
}

.section-content {
    max-width: 760px;
}

h2 {
    margin: 0 0 24px;

    font-size: clamp(38px, 5vw, 64px);
    letter-spacing: -.04em;

    font-weight: 500;
}

.section-content p {
    color: var(--muted);

    font-size: 18px;
    line-height: 1.7;
}

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

    gap: 1px;

    background: var(--line);
    border: 1px solid var(--line);
}

.cards article {
    min-height: 260px;

    padding: 32px;

    background: var(--surface);
}

.cards span {
    color: var(--red);

    font-size: 11px;
}

.cards h3 {
    margin-top: 80px;

    font-size: 22px;
    font-weight: 500;
}

.cards p {
    color: var(--muted);

    line-height: 1.6;
}

footer {
    max-width: 1280px;
    margin: auto;

    padding: 36px;

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

    display: flex;
    justify-content: space-between;

    color: #666;

    font-size: 11px;
    letter-spacing: .12em;
}

@media (max-width: 700px) {
    nav {
        display: none;
    }

    .header,
    .hero,
    .section {
        padding-left: 22px;
        padding-right: 22px;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    footer {
        padding: 28px 22px;
        flex-direction: column;
        gap: 10px;
    }
}