/* --- Variables de Escalabilidad --- */
:root {
    /* Paleta de Colores (Cámbialos aquí para transformar el sitio) */
    --bg-dark: #0a0a0a;
    --bg-card: #141414;
    --neon-main: #ff00ff;   /* Rosa Neón (Principal) */
    --neon-secondary: #00ffff; /* Cian (Secundario) */
    --text-white: #ffffff;
    --text-gray: #b3b3b3;
    
    /* Tipografías */
    --font-script: 'Great Vibes', cursive;
    --font-modern: 'Poppins', sans-serif;
}

/* --- Base --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: var(--font-modern);
    overflow-x: hidden;
}

/* --- Utilidades Neón (Clases Reutilizables) --- */
.neon-text {
    font-family: var(--font-script);
    color: var(--text-white);
    text-shadow: 
        0 0 5px var(--neon-main),
        0 0 10px var(--neon-main),
        0 0 20px var(--neon-main),
        0 0 40px var(--neon-main);
}

.neon-border {
    border: 2px solid var(--neon-main);
    box-shadow: 0 0 10px var(--neon-main), inset 0 0 10px var(--neon-main);
}

.btn-neon {
    display: inline-block;
    padding: 12px 30px;
    color: var(--neon-main);
    border: 2px solid var(--neon-main);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 2px;
    transition: 0.3s;
    box-shadow: 0 0 10px var(--neon-main);
    background: transparent;
    cursor: pointer;
}

.btn-neon:hover {
    background: var(--neon-main);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--neon-main), 0 0 40px var(--neon-main);
}

/* --- Hero --- */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1492684223066-81342ee5ff30?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') center/cover;
    display: flex; align-items: center; justify-content: center;
    position: relative; text-align: center;
}
.overlay-gradient {
    position: absolute; top:0; left:0; width:100%; height:100%;
    background: linear-gradient(to bottom, rgba(10,10,10,0.3), var(--bg-dark));
}
.hero-content { z-index: 2; }
.hero-content h1 { font-size: 5rem; margin: 0; line-height: 1.2; }
.pre-title { letter-spacing: 5px; text-transform: uppercase; font-size: 1.2rem; }

/* --- Countdown --- */
.container { max-width: 1000px; margin: 0 auto; padding: 0 20px; text-align: center; }
.section-padding { padding: 80px 0; }
.timer { display: flex; justify-content: center; gap: 20px; margin-top: 30px; flex-wrap: wrap; }
.time-box {
    width: 80px; height: 80px; display: flex; flex-direction: column;
    justify-content: center; align-items: center;
    border-radius: 10px; background: rgba(255,255,255,0.05);
}
.time-box span { font-size: 1.8rem; font-weight: bold; }

/* --- Cards --- */
.locations-grid { display: flex; justify-content: center; gap: 30px; flex-wrap: wrap; }
.location-card {
    background: var(--bg-card); padding: 40px; border-radius: 15px;
    width: 300px; transition: transform 0.3s;
    border: 1px solid rgba(255,255,255,0.1);
}
.location-card:hover { transform: translateY(-10px); border-color: var(--neon-secondary); }
.icon-neon { font-size: 2.5rem; color: var(--neon-secondary); margin-bottom: 20px; }

/* --- Timeline (Itinerario) --- */
.timeline {
    position: relative; max-width: 600px; margin: 40px auto;
    border-left: 2px solid var(--neon-secondary); padding-left: 30px; text-align: left;
}
.timeline-item { margin-bottom: 40px; position: relative; }
.timeline-dot {
    width: 16px; height: 16px; background: var(--neon-main);
    border-radius: 50%; position: absolute; left: -39px; top: 5px;
    box-shadow: 0 0 10px var(--neon-main);
}
.timeline-content h3 { color: var(--neon-secondary); margin-bottom: 5px; }

/* --- Forms --- */
.rsvp-box { padding: 40px; border-radius: 20px; background: rgba(255,255,255,0.02); max-width: 500px; margin: 0 auto; }
.input-group { margin-bottom: 20px; text-align: left; }
.input-group label { display: block; margin-bottom: 5px; font-size: 0.9rem; color: var(--neon-secondary); }
input, select {
    width: 100%; padding: 12px; background: transparent;
    border: 1px solid #333; color: white; border-radius: 5px;
}
input:focus, select:focus { outline: none; border-color: var(--neon-main); }
.full-width { width: 100%; }

/* --- Animations & Utilities --- */
.hidden { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
.show { opacity: 1; transform: translateY(0); }
.music-control {
    position: fixed; bottom: 20px; left: 20px; z-index: 100;
    width: 50px; height: 50px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; background: rgba(0,0,0,0.8);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 3.5rem; }
    .timer { gap: 10px; }
    .time-box { width: 70px; height: 70px; }
}