:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --accent: #0b78f6;
    --muted: #6b7280
}

html,
body {
    height: 100%;
    margin: 0;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    overflow-y: hidden;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #eef2ff 0%, var(--bg) 100%);
    padding: 24px;
}

.container {
    max-width: 900px;
    width: 100%;
    text-align: center;
}

header.site-title {
    margin-bottom: 20px
}

header.site-title h1 {
    margin: 0;
    font-size: 1.8rem;
    color: #0b1724
}


h2 {
    margin: 6px 0 18px;
    font-size: 1.2rem;
    color: #111827
}

p.lead {
    margin: 0 0 26px;
    color: var(--muted);
}

.grid {
    display: grid;
    /* grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); */
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

a.card {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    background: var(--card);
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
    text-decoration: none;
    color: inherit;
    transition: transform .18s ease, box-shadow .18s ease, opacity .12s ease;
    outline: none;
    padding: 18px;
}

a.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
}

a.card:active {
    transform: translateY(-2px);
}

.card .title {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: .06em;
}

.card .subtitle {
    display: block;
    font-size: 0.85rem;
    color: var(--muted);
    margin-top: 6px;
}

a.card:focus {
    box-shadow: 0 0 0 4px rgba(11, 120, 246, 0.12);
}

.card.agu {
    border-left: 6px solid #f97316;
}

.card.apu {
    border-left: 6px solid #06b6d4;
}

.card.apple {
    border-left: 6px solid #0d62c4;
}

.card.delta {
    border-left: 6px solid #929394;
}

h3 {
    margin-top: 22px;
    color: var(--muted);
    font-size: 0.85rem;
    justify-content: space-between;
    align-items: center;
    gap: 12px
}

footer {
    margin: 10px 0;
    color: var(--muted);
    font-size: 0.85rem;
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
}

footer .copyright {
    font-size: 0.82rem;
    color: var(--muted);
}