/* Variables Globales */
:root {
    --bus-border: #2d3436;
    --primary: #007bff;
    --success: #28a745;
}

/* Banner Principal */
.promo-banner {
    width: 100%;
    max-width: 1100px;
    margin: 20px auto;
    background: #000;
    height: 350px;
    border-radius: 25px;
    position: relative;
    overflow: hidden;
    color: white;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.promo-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.promo-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95), transparent);
}

/* Listado de Destinos en Banner */
.destinos-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
    list-style: none;
    padding: 0;
}

.destino-item {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    padding: 4px 15px;
    border-radius: 50px;
    font-size: 14px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Estructura Principal */
.layout-reserva {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    padding: 20px 5%;
    align-items: flex-start;
}

/* Tarjeta de Información Lateral */
.info-card {
    background: white;
    border-radius: 20px;
    width: 350px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    position: sticky;
    top: 20px;
}

/* Grid de Amenidades */
.amenidades-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.amenidad-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f8f9fa;
    padding: 8px 16px;
    border-radius: 12px;
    font-size: 13px;
    color: #2d3436;
    border: 1px solid #e9ecef;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.amenidad-btn i {
    color: var(--primary);
    font-size: 14px;
}

/* Cascarón del Autobús */
.bus-frame {
    background: #fdfdfd;
    border: 8px solid var(--bus-border);
    border-radius: 70px 70px 30px 30px;
    padding: 110px 35px 50px;
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
}

.bus-container {
    display: grid;
    grid-template-columns: repeat(4, 55px);
    gap: 18px;
}

/* Diseño del Asiento Individual */
.asiento {
    width: 55px;
    height: 55px;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}

.asiento i {
    font-size: 48px;
}

.asiento .num {
    position: absolute;
    font-size: 11px;
    top: 16px;
    font-weight: 900;
    color: #fff;
    z-index: 2;
}

.asiento:nth-child(4n+2) {
    margin-right: 50px;
}

/* Estados del Asiento */
.disponible {
    color: #28a745;
}

.ocupado {
    color: #dfe6e9;
    cursor: not-allowed;
}

.seleccionado {
    color: #fdcb6e !important;
    transform: scale(1.15) translateY(-5px);
}

/* Tarjetas de Otros Viajes */
.mini-viaje-card {
    background: #fff;
    padding: 15px 20px;
    border-radius: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid #f1f2f6;
    transition: 0.3s;
    margin-bottom: 12px;
}

.mini-viaje-card:hover {
    transform: translateX(5px);
    border-color: var(--primary);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.btn-mini-ver {
    background: var(--primary);
    color: white;
    padding: 8px 18px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 800;
}

/* Barra Flotante de Pago */
#barra-pago {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 15px 40px;
    border-radius: 60px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    display: none;
    z-index: 1000;
    align-items: center;
    gap: 30px;
    border: 2px solid var(--primary);
}