:root {
    color-scheme: dark;
    --background: #050807;
    --surface: rgba(18, 27, 24, 0.86);
    --surface-strong: #111a17;
    --text: #f2f7f5;
    --muted: #a8b8b1;
    --mint: #35e89a;
    --mint-soft: rgba(53, 232, 154, 0.14);
    --border: rgba(153, 255, 211, 0.14);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 20% -10%, rgba(53, 232, 154, 0.18), transparent 34rem),
        radial-gradient(circle at 100% 20%, rgba(31, 102, 74, 0.16), transparent 28rem),
        var(--background);
    line-height: 1.65;
}

a {
    color: var(--mint);
}

.page {
    width: min(920px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 64px;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 44px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-size: 19px;
    font-weight: 750;
    text-decoration: none;
}

.brand-mark {
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 8px 28px rgba(53, 232, 154, 0.12);
    object-fit: cover;
}

.nav-links {
    display: flex;
    gap: 18px;
}

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

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

.hero {
    padding: 56px 46px;
    border: 1px solid var(--border);
    border-radius: 32px;
    background:
        linear-gradient(135deg, rgba(53, 232, 154, 0.1), transparent 46%),
        var(--surface);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--mint);
    font-size: 13px;
    font-weight: 750;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    line-height: 1.18;
}

h1 {
    max-width: 720px;
    margin: 0;
    font-size: clamp(38px, 8vw, 68px);
    letter-spacing: -0.055em;
}

.hero-copy {
    max-width: 650px;
    margin: 20px 0 0;
    color: var(--muted);
    font-size: 18px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text);
    background: var(--surface-strong);
    font-weight: 700;
    text-decoration: none;
}

.button.primary {
    border-color: transparent;
    color: #03110b;
    background: var(--mint);
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 18px;
}

.card,
.content {
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.card {
    padding: 26px;
    border-radius: 24px;
}

.card h2,
.card h3 {
    margin: 0 0 10px;
}

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

.card-link {
    display: inline-flex;
    margin-top: 18px;
    font-weight: 750;
    text-decoration: none;
}

.card.wide {
    grid-column: 1 / -1;
}

.content {
    padding: 42px 46px;
    border-radius: 28px;
}

.content h1 {
    font-size: clamp(34px, 7vw, 56px);
}

.content h2 {
    margin: 38px 0 10px;
    font-size: 24px;
}

.content p,
.content li {
    color: var(--muted);
}

.content strong {
    color: var(--text);
}

.notice {
    margin-top: 26px;
    padding: 18px 20px;
    border: 1px solid rgba(53, 232, 154, 0.22);
    border-radius: 16px;
    color: var(--muted);
    background: var(--mint-soft);
}

.footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding-top: 30px;
    color: var(--muted);
    font-size: 13px;
}

.footer a {
    color: var(--muted);
}

@media (max-width: 680px) {
    .page {
        width: min(100% - 22px, 920px);
        padding-top: 16px;
    }

    .nav {
        align-items: flex-start;
        margin-bottom: 24px;
    }

    .nav-links {
        flex-direction: column;
        align-items: flex-end;
        gap: 4px;
    }

    .hero,
    .content {
        padding: 30px 22px;
        border-radius: 24px;
    }

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

    .footer {
        flex-direction: column;
    }
}