:root {
    color-scheme: light dark;
    --background: radial-gradient(circle at top left, rgba(79, 70, 229, 0.4), transparent 55%),
                  radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.35), transparent 60%),
                  #0b1220;
    --surface: rgba(15, 23, 42, 0.75);
    --surface-border: rgba(148, 163, 184, 0.2);
    --text-strong: #f8fafc;
    --text-muted: rgba(226, 232, 240, 0.75);
    --accent: #60a5fa;
    --accent-rgb: 96, 165, 250;
    --button-bg: rgba(248, 250, 252, 0.1);
    --button-border: rgba(248, 250, 252, 0.25);
    --button-text: #f8fafc;
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background);
    color: var(--text-strong);
    font-family: var(--font-family, "Inter", system-ui, sans-serif);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    padding: 1.5rem;
}

.page {
    width: min(520px, 100%);
    display: grid;
    gap: 2.5rem;
    padding: clamp(2.5rem, 5vw, 3.25rem);
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: 24px;
    backdrop-filter: blur(14px);
    box-shadow: 0 25px 50px rgba(15, 23, 42, 0.35);
}

.page__header {
    display: grid;
    gap: 1rem;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.28em;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.wordmark {
    font-size: clamp(2.75rem, 8vw, 3.5rem);
    font-weight: 700;
    line-height: 1.05;
}

.accent {
    color: var(--accent);
}

.tagline {
    font-size: clamp(1.05rem, 2.3vw, 1.25rem);
    line-height: 1.7;
    color: var(--text-muted);
}

.page__links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.75rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    background: var(--button-bg);
    color: var(--button-text);
    border: 1px solid var(--button-border);
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
    background: rgba(var(--accent-rgb), 0.15);
    box-shadow: 0 10px 25px rgba(var(--accent-rgb), 0.25);
}

.page__footer {
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 540px) {
    .page {
        gap: 2rem;
    }

    .page__links {
        flex-direction: column;
        align-items: stretch;
    }

    .button {
        width: 100%;
        text-align: center;
    }
}