:root {
    --bg-gradient: radial-gradient(circle at top, #1f2933 0%, #111827 40%, #05060a 100%);
    --text-primary: #f9fafb;
    --text-secondary: #cbd5f5;
    --accent: #6366f1;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--bg-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero {
    width: min(640px, 90vw);
    padding: 3.5rem clamp(1.5rem, 4vw, 3rem);
    border-radius: 24px;
    background: rgba(15, 23, 42, 0.78);
    backdrop-filter: blur(18px);
    box-shadow: 0 20px 60px rgba(8, 12, 26, 0.55);
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.hero__content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero__eyebrow {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    color: var(--accent);
}

.hero__headline {
    margin: 0;
    font-size: clamp(2.25rem, 5vw, 3.35rem);
    line-height: 1.1;
    font-weight: 700;
}

.hero__subcopy {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.hero__cta {
    align-self: flex-start;
    padding: 0.85rem 1.6rem;
    border-radius: 999px;
    background: var(--accent);
    color: #0f172a;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero__cta:hover,
.hero__cta:focus {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.45);
}

.hero__footer {
    margin: 0;
    font-size: 0.9rem;
    color: rgba(248, 250, 252, 0.7);
    text-align: center;
}

@media (max-width: 420px) {
    .hero {
        padding: 2.5rem 1.6rem;
        gap: 2rem;
    }
}