:root {
    --bg: #0d0f17;
    --panel: #131725;
    --accent: #5fd4a1;
    --text: #e6e9f0;
    --muted: #9aa3b5;
    --border: #1e2435;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    --radius: 14px;
    --font: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font);
    background: radial-gradient(circle at 15% 20%, rgba(95, 212, 161, 0.06), transparent 25%),
                radial-gradient(circle at 85% 10%, rgba(95, 212, 161, 0.05), transparent 25%),
                radial-gradient(circle at 30% 80%, rgba(95, 212, 161, 0.05), transparent 25%),
                var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.header-nav {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(1200px, 92vw);
    margin: 0 auto;
    padding: 20px 0;
    background: var(--bg);
    backdrop-filter: blur(6px);
}

.header-logo {
    color: var(--text);
    font-weight: 800;
    letter-spacing: 0.02em;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-link {
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 10px;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    border: 1px solid transparent;
}

.header-link:hover,
.header-link:focus-visible {
    color: var(--text);
    border-color: rgba(95, 212, 161, 0.35);
    background: rgba(95, 212, 161, 0.08);
    outline: none;
}

.page {
    width: min(1200px, 92vw);
    margin: 0 auto;
    padding: 72px 0 96px;
}

.hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    align-items: start;
}

.hero__text {
    background: linear-gradient(135deg, rgba(95, 212, 161, 0.18), rgba(95, 212, 161, 0.05));
    border: 1px solid rgba(95, 212, 161, 0.35);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
    padding: 32px;
}

.eyebrow {
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 10px;
    font-size: 0.8rem;
}

h1 {
    font-size: clamp(2.2rem, 3vw, 2.9rem);
    line-height: 1.1;
    margin-bottom: 12px;
}

.lede {
    color: var(--muted);
    font-size: 1.05rem;
    margin-bottom: 20px;
    max-width: 640px;
}

.pill-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.pill {
    padding: 10px 14px;
    background: rgba(95, 212, 161, 0.1);
    color: var(--text);
    border: 1px solid rgba(95, 212, 161, 0.25);
    border-radius: 999px;
    font-size: 0.95rem;
}

.hero__card {
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
    padding: 28px;
}

.hero__card h2 {
    margin-bottom: 16px;
    font-size: 1.4rem;
}

.list {
    display: grid;
    gap: 12px;
    color: var(--muted);
    padding-left: 18px;
}

.list li {
    line-height: 1.5;
}

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

.footer-content {
    width: min(1200px, 92vw);
    margin: 0 auto 40px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--muted);
    font-size: 0.95rem;
}

.github-link {
    color: var(--muted);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    border: 1px solid transparent;
}

.github-link:hover,
.github-link:focus-visible {
    color: var(--text);
    background: rgba(95, 212, 161, 0.08);
    border-color: rgba(95, 212, 161, 0.35);
    outline: none;
}

.github-icon {
    filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.35));
}

@media (max-width: 920px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .header-nav,
    .footer-content {
        width: 94vw;
    }

    .footer-content {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
}