/* styles.css */
:root {
    --bg: #0f172a;        /* slate-900 */
    --card: #111827;      /* gray-900 */
    --text: #e5e7eb;      /* gray-200 */
    --muted: #9ca3af;     /* gray-400 */
    --accent: #93c5fd;    /* blue-300 */
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    color: var(--text);
    background: radial-gradient(1200px 800px at 70% -10%, #1f2937 0%, var(--bg) 60%, #0b1022 100%);
    display: grid;
    grid-template-rows: auto 1fr auto;
    align-items: start;
}

.site-header,
.site-footer {
    padding: 1rem clamp(1rem, 3vw, 2rem);
}

.site-title {
    margin: 0.5rem 0 0;
    font-size: clamp(1.5rem, 2.4vw + 1rem, 3rem);
    letter-spacing: 0.03em;
    color: var(--accent);
    text-shadow: 0 2px 12px rgba(147, 197, 253, 0.25);
}

.content {
    display: grid;
    place-items: center;
    padding: clamp(1rem, 3vw, 2rem);
    gap: 1rem;
}

.hero {
    margin: 0;
    padding: clamp(0.5rem, 1vw, 1rem);
    background: linear-gradient(180deg, rgba(147,197,253,0.1), rgba(147,197,253,0.03));
    border: 1px solid rgba(147,197,253,0.25);
    border-radius: 16px;
    box-shadow:
            0 8px 30px rgba(0,0,0,0.35),
            inset 0 0 0 1px rgba(255,255,255,0.03);
    max-width: min(480px, 92vw);
}

.hero-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 12px;
    filter: contrast(1.05) saturate(1.05);
}

.tagline {
    margin: 0.25rem 0 0.75rem;
    font-size: clamp(1.1rem, 1.2vw + 1rem, 1.75rem);
    font-weight: 600;
    letter-spacing: 0.01em;
    text-align: center;
    color: var(--text);
}

.site-footer {
    color: var(--muted);
    text-align: center;
}

.site-footer a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px dashed rgba(147,197,253,0.5);
}

.site-footer a:hover {
    border-bottom-style: solid;
}