.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.link-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: auto;
    gap: 36px;
    align-items: start;
    justify-content: center;
    margin: auto 0;
}

.card-span-2 { grid-row: span 2; align-self: stretch; }

/* Explicit grid positioning for desktop layout */
.card:nth-child(1) { grid-column: 1; grid-row: 1 / 3; }
.card:nth-child(2) { grid-column: 2; grid-row: 1; }
.card:nth-child(3) { grid-column: 2; grid-row: 2; }
.card:nth-child(4) { grid-column: 3; grid-row: 1 / 3; }

.card {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
    border-radius: var(--radius);
    padding: 32px 36px;
    box-shadow: 0 8px 24px rgba(2,6,23,0.7);
    border: 1px solid rgba(255,255,255,0.04);
    transition: box-shadow .18s cubic-bezier(.4,1,.7,1), border-color .18s, background .18s;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    --mx: 50%;
    --my: 50%;
}

.card:hover, .card:focus-within {
    box-shadow: 0 -4px 12px 0 rgba(255,255,220,0.06), 0 1px 6px 0 rgba(2,6,23,0.10);
    background: linear-gradient(180deg, rgba(255,255,220,0.03) 0%, rgba(255,255,255,0.01) 100%);
}

.card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: calc(var(--radius) + 1px);
    pointer-events: none;
    background: radial-gradient(240px 240px at var(--mx) var(--my), rgba(197,155,26,0.25), rgba(197,155,26,0.08) 35%, transparent 60%);
    opacity: 0;
    transition: opacity .18s ease;
    padding: 2px;
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
}

.card:hover::after { opacity: 1; }

.card.glow-leave::after {
    opacity: 0;
    transition: opacity .38s ease-out;
}

.card h1 {
    text-align: left;
    font-size: 1.6rem;
    color: var(--accent);
    text-shadow: 0 2px 8px rgba(197,155,26,0.10);
    border-bottom: 2px solid var(--accent-weak);
    padding-bottom: 4px;
    margin-bottom: 12px;
}

.card-title-link {
    color: var(--accent);
    text-decoration: none;
    transition: color .15s ease;
}
.card-title-link:hover {
    color: var(--accent-weak);
    transform: none;
}

@media (min-width: 641px) {
    .container { padding-top: 120px; }
}

@media (max-width: 800px) {
    .container { margin: 0 auto; padding: 12px 16px; min-height: 100vh; }
    .link-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 20px;
        margin: 24px 0;
    }
    .card-span-2 { grid-row: span 1; }
    .card:nth-child(1), .card:nth-child(2), .card:nth-child(3), .card:nth-child(4) {
        grid-column: auto;
        grid-row: auto;
    }
    .card { padding: 20px 18px; }
    h1 { font-size: 1.4rem; }
    .card h1 { font-size: 1.2rem; margin-bottom: 10px; }
    ol li { font-size: 1rem; margin: 10px 0; }
}

@media (max-width: 540px) {
    .container { padding: 8px 12px; }
    .link-grid { gap: 16px; margin: 16px 0; }
    .card { padding: 16px 14px; }
    .card h1 { font-size: 1.1rem; }
    ol li { font-size: 0.95rem; margin: 8px 0; }
}