/* =========================================
   1. VARIABLES (ORO URBANO)
   ========================================= */
:root {
    --bg-urbano: #020202;
    --accent-gold: #ffcc00; 
    --text-main: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.4);
    --gold-neon: 0 0 35px rgba(255, 204, 0, 0.3);
    --transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-urbano);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* =========================================
   2. NAVBAR (ESTILO REFORZADO)
   ========================================= */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%; z-index: 9999;
    padding: 40px 6%;
    background: linear-gradient(to bottom, rgba(2,2,2,1) 0%, rgba(2,2,2,0) 100%);
    display: flex; justify-content: flex-end;
}

.nav-links { list-style: none; display: flex; gap: 45px; }
.nav-links a {
    text-decoration: none; 
    color: var(--text-dim);
    font-size: 0.7rem; 
    letter-spacing: 5px; 
    text-transform: uppercase;
    font-weight: 800; /* Negrita para que no sea delgada */
    transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active { 
    color: var(--accent-gold); 
    text-shadow: var(--gold-neon);
}

/* =========================================
   3. CABECERA (BARRERA DE ENTRADA)
   ========================================= */
.album-header-especifico {
    height: 100vh;
    display: flex; flex-direction: column;
    justify-content: center; align-items: center;
    position: relative;
    text-align: center;
    padding: 0 10%;
}

.album-header-especifico h1 {
    font-size: clamp(4rem, 15vw, 9rem);
    font-weight: 900;
    letter-spacing: 40px; /* Espaciado amplio como en Tandil */
    text-transform: uppercase;
    background: linear-gradient(to right, #fff, var(--accent-gold), #fff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shineGold 6s linear infinite;
    margin-left: 40px; /* Compensa el letter-spacing para centrar visualmente */
}

@keyframes shineGold {
    to { background-position: 200% center; }
}

.album-header-especifico p {
    color: var(--text-main);
    letter-spacing: 3px;
    font-size: 0.9rem;
    font-weight: 400;
    margin-top: 20px;
    opacity: 0.9;
}

/* LA FLECHA (INDICADOR DE SCROLL) */
.album-header-especifico::after {
    content: "";
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, var(--accent-gold), transparent);
    animation: scrollLine 2.5s cubic-bezier(0.15, 0.41, 0.69, 0.94) infinite;
}

@keyframes scrollLine {
    0% { transform: translateX(-50%) scaleY(0); opacity: 0; transform-origin: top; }
    50% { transform: translateX(-50%) scaleY(1); opacity: 1; }
    100% { transform: translateX(-50%) scaleY(0); opacity: 0; transform-origin: bottom; }
}

/* =========================================
   4. GRILLA Y GRUPOS (ESTILO LIMPIO)
   ========================================= */
.photo-stream-container {
    max-width: 1920px;
    margin: 0 auto;
}

.photo-group { 
    padding: 0 6% 120px; 
}

.group-title {
    font-size: 0.75rem;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: var(--text-dim);
    font-weight: 800;
    margin-bottom: 50px;
    text-align: center; /* Centrado para que no choque con los bordes */
    display: block;
    width: 100%;
}

.stream-grid-mixed {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 40px;
}

.stream-item { 
    background: #000;
    overflow: hidden;
    position: relative;
    transition: var(--transition);
}

.stream-item img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(0.8);
    transition: var(--transition);
}

/* LÓGICA DE ESPACIOS */
.stream-item.panoramic {
    grid-column: span 6;
    aspect-ratio: 21 / 9;
    margin-bottom: 20px;
}

.stream-item.horizontal {
    grid-column: span 3;
    aspect-ratio: 16 / 9;
}

.stream-item:hover img {
    filter: brightness(1.1);
    transform: scale(1.03);
}

.stream-item:hover {
    box-shadow: var(--gold-neon);
    outline: 1px solid var(--accent-gold);
}

/* =========================================
   5. FOOTER
   ========================================= */
.navigation-footer {
    display: flex; justify-content: center;
    padding-bottom: 100px;
}

.btn-back {
    padding: 20px 60px;
    border: 1px solid #222;
    color: var(--text-dim);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 5px;
    transition: var(--transition);
}

.btn-back:hover {
    border-color: var(--accent-gold);
    color: #fff;
}