:root {
    --portal-primary: #1D4ED8;
    --portal-primary-dark: #1E40AF;
    --portal-accent: #F59E0B;
    --bg: #0F172A;
    --surface: #1E293B;
    --surface-light: #334155;
    --border: #334155;
    --text: #F8FAFC;
    --text-muted: #94A3B8;
    --shadow-lg: 0 20px 40px -12px rgb(0 0 0 / 0.45);
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: inherit; }

.portal-header {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.portal-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 22px;
}

.portal-logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--portal-primary), var(--portal-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.portal-hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px 64px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

.portal-hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.1;
    margin-bottom: 20px;
}

.portal-hero p {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 540px;
    margin-bottom: 32px;
}

.portal-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(29, 78, 216, 0.2);
    color: #93C5FD;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.portal-cards {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 80px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.portal-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 32px;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    text-decoration: none;
    display: block;
}

.portal-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: #3B82F6;
}

.portal-card.featured {
    background: linear-gradient(145deg, #14532D 0%, #166534 45%, #15803D 100%);
    border-color: #22C55E;
}

.portal-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.portal-card h2 {
    font-size: 22px;
    margin-bottom: 10px;
}

.portal-card p {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 20px;
}

.portal-card.featured p { color: rgba(255,255,255,0.85); }

.portal-card-link {
    font-weight: 600;
    color: #60A5FA;
    font-size: 14px;
}

.portal-card.featured .portal-card-link { color: #BBF7D0; }

.portal-card.soon {
    opacity: 0.55;
    pointer-events: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 15px;
}

.btn-primary {
    background: var(--portal-primary);
    color: white;
}

.btn-primary:hover { background: var(--portal-primary-dark); }

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.portal-footer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

@media (max-width: 900px) {
    .portal-hero { grid-template-columns: 1fr; padding-top: 24px; }
}