/* Variables de colores para fácil personalización */
:root {
    --primario: #d4a373; /* Tono dorado/champán elegante */
    --oscuro: #1a1a1a;
    --claro: #fefae0;
    --gris-claro: #f8f9fa;
    --texto: #4a4a4a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--texto);
    line-height: 1.6;
    background-color: #ffffff;
}

/* Encabezado y Navegación */
header {
    background-color: var(--oscuro);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo {
    color: var(--primario);
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--primario);
}

/* Sección Hero (Bienvenida) */
.hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1560066984-138dadb4c035?q=80&w=1920') no-repeat center center/cover;
    height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #ffffff;
    padding: 0 1rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
}

.btn-cita {
    background-color: var(--primario);
    color: var(--oscuro);
    padding: 0.8rem 2rem;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    transition: transform 0.3s, background-color 0.3s;
    text-transform: uppercase;
}

.btn-cita:hover {
    background-color: #e3b58c;
    transform: scale(1.05);
}

/* Secciones Generales */
section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    position: relative;
    color: var(--oscuro);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: var(--primario);
    margin: 0.5rem auto 0;
}

/* Grid de Servicios */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.servicio-card {
    background-color: var(--gris-claro);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    border-top: 4px solid var(--primario);
    transition: transform 0.3s;
}

.servicio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.servicio-card h3 {
    margin-bottom: 1rem;
    color: var(--oscuro);
}

.servicio-card .precio {
    display: block;
    font-size: 1.25rem;
    color: var(--primario);
    font-weight: bold;
    margin-top: 1rem;
}

/* --- Estructura Agenda Vertical Avanzada --- */
.agenda-layout-vertical {
    background-color: var(--gris-claro);
    padding: 2.5rem;
    border-radius: 8px;
    border-top: 5px solid var(--primario);
}

.agenda-layout-vertical h3 {
    color: var(--oscuro);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

/* Barberos Arriba */
.barberos-seccion-superior {
    margin-bottom: 3rem;
}

.barberos-flex-row {
    display: block;
    text-align: center;
}

/* Tarjeta de Barbero */
.barbero-card {
    display: inline-block;
    vertical-align: top;
    background-color: #ffffff;
    padding: 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    width: 290px;
    margin: 0 1rem 1rem 1rem;
    text-align: left;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

/* Ocultar checkmark nativo redondo */
.barbero-card input[type="radio"] {
    display: none !important;
    visibility: hidden !important;
    position: absolute !important;
}

.barbero-img {
    display: inline-block;
    vertical-align: middle;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #e0e0e0;
    transition: border-color 0.3s;
}

.barbero-info {
    display: inline-block;
    vertical-align: middle;
    width: calc(100% - 70px);
    padding-left: 0.8rem;
}

.barbero-card .nombre {
    display: block;
    font-weight: bold;
    color: var(--oscuro);
    font-size: 0.95rem;
}

.barbero-card .especialidad {
    display: block;
    font-size: 0.8rem;
    color: var(--texto);
    margin-top: 2px;
    line-height: 1.2;
}

/* Destacado Verde sutil para el Barbero Activo */
.barbero-card:has(input[type="radio"]:checked) {
    border-color: #2e7d32;
    background-color: #e8f5e9;
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.12);
}

.barbero-card:has(input[type="radio"]:checked) .barbero-img {
    border-color: #2e7d32;
}

/* Agenda Abajo */
.disponibilidad-agenda-completa {
    width: 100%;
}

.tabla-disponibilidad-ancha {
    display: block;
    background: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.dia-columna {
    display: inline-block;
    vertical-align: top;
    width: 18%;
    min-width: 120px;
    margin: 0 0.5%;
    text-align: center;
}

.dia-columna h4 {
    color: var(--oscuro);
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
    border-bottom: 2px solid var(--gris-claro);
    padding-bottom: 0.5rem;
}

/* Botones de Horas */
.hora-btn {
    display: block;
    width: 100%;
    background-color: var(--gris-claro);
    border: 1px solid #e0e0e0;
    color: var(--oscuro);
    padding: 0.6rem 0;
    margin-bottom: 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.hora-btn:hover:not(:disabled) {
    background-color: var(--primario);
    color: white;
    border-color: var(--primario);
}

/* Estilo cuando el cliente HACE CLIC y SELECCIONA una hora */
.hora-btn.seleccionada {
    background-color: var(--primario) !important;
    color: white !important;
    border-color: var(--primario) !important;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0,0,0,0.15);
}

/* Estado Ocupado */
.hora-btn.ocupado {
    background-color: #ffebee;
    color: #c62828;
    border-color: #ffcdd2;
    cursor: not-allowed;
    opacity: 0.6;
}

/* Footer */
footer {
    background-color: var(--oscuro);
    color: #ffffff;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    font-size: 0.9rem;
}

footer p {
    opacity: 0.7;
}

/* Responsivo */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
    }
    nav a {
        margin: 0 0.75rem;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .barbero-card {
        width: 100%;
        margin: 0 0 1rem 0;
    }
    .dia-columna {
        display: block;
        width: 100%;
        margin-bottom: 2rem;
    }
}