:root {
    --bg: #0f1115;
    --text: #ffffff;
    --accent: #3b82f6;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
}

.navbar {
    padding: 2rem 10%;
    display: flex;
    justify-content: center;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -1px;
}

.logo span { color: var(--accent); }

.hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 10%;
}

.intro h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.intro p {
    font-size: 1.1rem;
    color: #94a3b8;
    max-width: 600px;
    margin-bottom: 4rem;
}

.grid-portais {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.portal-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 3rem;
    border-radius: 24px;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
}

.portal-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--accent);
    transform: translateY(-5px);
}

.tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 1rem;
}

.portal-card h2 { font-size: 1.8rem; margin: 0.5rem 0; }

.portal-card p { color: #94a3b8; font-size: 0.95rem; }

.btn-link {
    display: inline-block;
    margin-top: 2rem;
    font-weight: 600;
    color: var(--accent);
}

.footer {
    padding: 4rem 10%;
    margin-top: 4rem;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    color: #64748b;
    font-size: 0.85rem;
}

.footer-links a {
    color: #64748b;
    text-decoration: none;
    margin-left: 1.5rem;
}

.footer-links a:hover { color: white; }

@media (max-width: 768px) {
    .footer-content { justify-content: center; text-align: center; }
}