@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --bg-base: #05070a;
    --surface-glass: rgba(15, 23, 42, 0.55);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(56, 189, 248, 0.35);
    --accent: #38bdf8;
    --gradient-text: linear-gradient(to right, #60a5fa, #38bdf8);
}

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

html, body {
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-base);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.12) 0, transparent 40%),
        radial-gradient(at 100% 0%, rgba(14, 165, 233, 0.08) 0, transparent 40%),
        radial-gradient(at 50% 100%, rgba(96, 165, 250, 0.04) 0, transparent 50%);
    z-index: -10;
}

a { color: inherit; text-decoration: none; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

.site-hub {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 24px;
    gap: 48px;
}

.site-logo {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-tagline {
    color: var(--text-muted);
    font-size: 1.05rem;
    text-align: center;
    max-width: 540px;
    line-height: 1.6;
    margin-top: -32px;
}

.site-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    width: 100%;
    max-width: 720px;
}

.site-link {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 22px 26px;
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: 14px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: border-color 0.2s ease, transform 0.15s ease, background 0.2s ease;
}

.site-link:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    background: rgba(15, 23, 42, 0.75);
}

.site-link-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}

.site-link-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.site-link[aria-disabled="true"] {
    opacity: 0.45;
    pointer-events: none;
}

.site-footer {
    padding: 24px;
    color: var(--text-dim);
    font-size: 0.85rem;
    text-align: center;
}