/* Design System: Saguão de Ouro V2 - Silent Luxury */
:root {
    --gold: #d4af37;
    --gold-dim: rgba(212, 175, 55, 0.2);
    --gold-glow: rgba(212, 175, 55, 0.1);
    --white: #ffffff;
    --gray-light: #e0e0e0;
    --black-radial: radial-gradient(circle at center, #111 0%, #000 100%);
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Montserrat', sans-serif;
    --transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: #000;
    color: var(--white);
    font-family: var(--font-serif);
    overflow: hidden;
    height: 100vh;
}

/* Texture Layer: Noise */
.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.04;
    z-index: 100;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.viewport {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--black-radial);
    position: relative;
    z-index: 1;
    padding: 2rem;
}

/* Header / Logo */
.hero {
    text-align: center;
    margin-bottom: 5rem;
}

.logo {
    font-size: 4rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 1.2rem;
    color: var(--white);
    text-shadow: 0 0 10px var(--gold-dim);
    margin-bottom: 0.8rem;
}

.subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--gray-light);
    letter-spacing: 0.2rem;
    opacity: 0.8;
}

/* Three Doors: Portal Cards */
.portal-grid {
    display: flex;
    gap: 2.5rem;
    max-width: 1200px;
}

.portal-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 320px;
    height: 200px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--gold-dim);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.portal-card:hover {
    border-color: var(--gold);
    transform: translateY(-8px);
    box-shadow: 0 0 30px var(--gold-glow);
    background-color: rgba(255, 255, 255, 0.05);
}

.card-label {
    font-family: var(--font-sans);
    color: var(--gold);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 4px;
    margin-bottom: 0.6rem;
    transition: var(--transition);
}

.portal-card:hover .card-label {
    letter-spacing: 6px;
    text-shadow: 0 0 5px rgba(212, 175, 55, 0.3);
}

.card-desc {
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--gray-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.6;
}

/* Footer */
footer {
    position: absolute;
    bottom: 4rem;
    text-align: center;
}

.social-links {
    display: flex;
    gap: 3rem;
    margin-bottom: 1.5rem;
    justify-content: center;
}

.social-links a {
    font-family: var(--font-sans);
    color: var(--gray-light);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition);
    opacity: 0.5;
}

.social-links a:hover {
    color: var(--gold);
    opacity: 1;
    letter-spacing: 4px;
}

.copyright {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.2);
    letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 1024px) {
    body { overflow: auto; }
    .viewport { min-height: 100vh; height: auto; padding: 6rem 1.5rem; }
    .portal-grid { flex-direction: column; width: 100%; align-items: center; }
    .portal-card { width: 100%; max-width: 450px; height: 160px; }
    .logo { font-size: 2.5rem; letter-spacing: 0.6rem; }
    footer { position: relative; bottom: 0; margin-top: 6rem; }
}