:root {
    --bg: #0d1117;
    --surface: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --muted: #8b949e;
    --accent: #58a6ff;
    --accent-2: #a371f7;
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.hero {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    max-width: 960px;
    margin: 0 auto;
    padding: clamp(2rem, 6vw, 5rem) clamp(1.25rem, 5vw, 3rem);
    display: flex;
    flex-direction: column;
    gap: clamp(2.5rem, 6vw, 4.5rem);
}

.hero__glow {
    position: absolute;
    top: -30%;
    left: 50%;
    width: 70vw;
    height: 70vw;
    max-width: 720px;
    max-height: 720px;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(88, 166, 255, 0.16), rgba(163, 113, 247, 0.08) 45%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero > * {
    position: relative;
    z-index: 1;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.brand__mark {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.55rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #0d1117;
    font-weight: 800;
    font-size: 1.1rem;
}

.brand__name {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.01em;
}

.lead {
    max-width: 40rem;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.2rem, 6vw, 3.6rem);
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.subtitle {
    margin-top: 1.25rem;
    font-size: clamp(1.05rem, 2.4vw, 1.3rem);
    color: var(--muted);
}

.actions {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.7rem 1.4rem;
    border-radius: 0.6rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.btn:active {
    transform: translateY(1px);
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #0d1117;
}

.btn--ghost {
    border: 1px solid var(--border);
    color: var(--text);
}

.btn--ghost:hover {
    border-color: var(--accent);
}

.pillars {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.pillars li {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 0.9rem;
    background: var(--surface);
}

.pillars h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pillars p {
    color: var(--muted);
    font-size: 0.97rem;
}

.foot {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.foot a {
    color: var(--muted);
    text-decoration: none;
}

.foot a:hover {
    color: var(--accent);
}