:root {
    color-scheme: dark;

    --background: #0b0e14;
    --surface: #121722;
    --surface-light: #181f2c;
    --text: #eef2f7;
    --muted: #9ca8b8;
    --border: #263043;
    --accent: #8eb6ff;
    --success: #55d68b;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    padding: 0 28px;

    display: flex;
    flex-direction: column;

    background:
        radial-gradient(
            circle at 75% 10%,
            rgba(80, 119, 190, 0.14),
            transparent 35%
        ),
        var(--background);

    color: var(--text);

    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    line-height: 1.6;
}

a {
    color: inherit;
}

.header {
    width: min(1120px, 100%);
    margin: 0 auto;
    padding: 26px 0;

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

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

.brand {
    color: var(--text);
    font-size: 15px;
    font-weight: 750;
    letter-spacing: 0.14em;
    text-decoration: none;
}

nav {
    display: flex;
    gap: 24px;
}

nav a {
    color: var(--muted);
    font-size: 14px;
    text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
    color: var(--text);
}

main {
    width: min(1120px, 100%);
    margin: 0 auto;
    flex: 1;
}

.hero {
    max-width: 820px;
    padding: 110px 0 80px;
}

.eyebrow {
    margin: 0 0 22px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.18em;
}

h1 {
    max-width: 780px;
    margin: 0;

    font-size: clamp(42px, 7vw, 78px);
    line-height: 1.03;
    letter-spacing: -0.045em;
}

.lead {
    max-width: 690px;
    margin: 30px 0;

    color: var(--muted);
    font-size: 19px;
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 10px;

    padding: 10px 14px;

    border: 1px solid var(--border);
    border-radius: 999px;

    background: rgba(18, 23, 34, 0.7);
    color: var(--muted);
    font-size: 13px;
}

.status-dot {
    width: 8px;
    height: 8px;

    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 12px rgba(85, 214, 139, 0.5);
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;

    padding-bottom: 90px;
}

.features article,
.content-card {
    padding: 26px;

    border: 1px solid var(--border);
    border-radius: 14px;

    background:
        linear-gradient(
            150deg,
            var(--surface-light),
            var(--surface)
        );
}

.features h2 {
    margin: 0 0 12px;
    font-size: 17px;
}

.features p,
.content-card p {
    margin: 0;
    color: var(--muted);
}

.content-page {
    max-width: 800px;
    padding: 85px 0;
}

.content-page h1 {
    margin-bottom: 30px;
    font-size: clamp(38px, 6vw, 62px);
}

.content-card p + p {
    margin-top: 18px;
}

.content-card ul {
    margin: 18px 0 0;
    padding-left: 22px;
    color: var(--muted);
}

.content-card li + li {
    margin-top: 8px;
}

footer {
    width: min(1120px, 100%);
    margin: 0 auto;
    padding: 24px 0 34px;

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

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

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

@media (max-width: 820px) {
    .header {
        align-items: flex-start;
        gap: 24px;
    }

    nav {
        flex-wrap: wrap;
        justify-content: flex-end;
        gap: 8px 18px;
    }
}

@media (max-width: 720px) {
    body {
        padding: 0 18px;
    }

    .header {
        flex-direction: column;
    }

    nav {
        justify-content: flex-start;
    }

    .hero {
        padding: 75px 0 60px;
    }

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

    footer {
        gap: 20px;
        flex-direction: column;
    }
}