/* ===== VARIABLES CSS ===== */
:root {
    
    --color-negro: #1f1e1d;
    --color-blanco: #fafafa;
    --color-dorado: #856145;
    --color-dorado-claro: #b18d63;
    --color-gris: #939495;
    --color-gris-claro: #c2c7ca;
    --color-gris-fondo: #f8f9fa;
    
    /* Espaciados */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transiciones */
    --transition: 0.3s ease;
    
    /* Sombras */
    --sombra-suave: 0 2px 8px rgba(0,0,0,0.08);
    --sombra-media: 0 4px 12px rgba(0,0,0,0.12);
    --sombra-fuerte: 0 8px 20px rgba(0,0,0,0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-negro);
    background-color: var(--color-blanco);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ===== CONTENEDOR ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER ===== */
.header {
    background-color: var(--color-negro);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--sombra-media);
}

.header-topbar {
    padding: 10px 0;
    background-color: rgba(0,0,0,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
}

.topbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.topbar-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.topbar-info a, .topbar-info span {
    color: var(--color-blanco);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.topbar-social a {
    color: var(--color-blanco);
    font-size: 16px;
    transition: color var(--transition);
}

.topbar-social a:hover {
    color: var(--color-dorado-claro);
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-blanco);
    text-decoration: none;
    z-index: 1001;
}

.logo-img {
    height: 45px;
    width: auto;
    border-radius: var(--radius-sm);
}

.logo-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: var(--color-blanco);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== NAVEGACIÓN ===== */
.nav {
    display: flex;
    gap: 30px;
    list-style: none;
    align-items: center;
}

.nav a {
    color: var(--color-blanco);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 0.5px;
    position: relative;
}

.nav a:hover {
    color: var(--color-dorado-claro);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-dorado-claro);
    transition: width var(--transition);
}

.nav a:hover::after {
    width: 100%;
}

/* ===== BOTONES ===== */
.btn-primary {
    background-color: var(--color-dorado);
    color: var(--color-blanco);
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    font-family: 'Montserrat', sans-serif;
    line-height: 1;
}

.btn-primary:hover {
    background-color: var(--color-dorado-claro);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(133, 97, 69, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-dorado);
    padding: 12px 28px;
    border: 2px solid var(--color-dorado);
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
}

.btn-secondary:hover {
    background-color: var(--color-dorado);
    color: var(--color-blanco);
    transform: translateY(-2px);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-negro) 0%, #2c2b2a 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('aqui_imagen_fondo');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.4;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(31, 30, 29, 0.8) 0%, rgba(31, 30, 29, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-blanco);
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.6;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

/* ===== BADGE ===== */
.badge {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-dorado-claro);
    font-weight: 600;
    margin-bottom: 2rem;
    font-family: 'Montserrat', sans-serif;
}

.badge::before {
    content: '';
    width: 50px;
    height: 2px;
    background-color: var(--color-dorado);
    margin-right: 15px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-dorado-claro);
    font-weight: 600;
    margin-bottom: 1rem;
    font-family: 'Montserrat', sans-serif;
}

.section-label::before {
    content: '';
    width: 40px;
    height: 2px;
    background-color: var(--color-dorado);
    margin-right: 12px;
}

/* ===== SECCIONES ===== */
.section {
    padding: var(--spacing-xxl) 0;
}

.section-dark {
    background-color: var(--color-negro);
    color: var(--color-blanco);
}

.section-light {
    background-color: var(--color-blanco);
    color: var(--color-negro);
}

.section-gray {
    background-color: var(--color-gris-fondo);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gris);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

/* ===== GRID SYSTEM ===== */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* ===== CARDS ===== */
.card {
    background: var(--color-blanco);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--sombra-suave);
    transition: all var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-fuerte);
}

.card-service {
    text-align: center;
    border-bottom: 3px solid var(--color-dorado);
    padding: var(--spacing-xl);
}

.card-service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--color-dorado);
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-service-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--color-negro);
    font-weight: 600;
}

.card-service-description {
    color: var(--color-gris);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ===== SISTEMA DE RESERVAS ===== */
.reserva-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-gris-fondo) 0%, #ffffff 100%);
}

.reserva-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.reserva-form {
    background: var(--color-blanco);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--sombra-fuerte);
    border: 1px solid rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-negro);
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e9ecef;
    border-radius: var(--radius-sm);
    font-size: 16px;
    transition: all var(--transition);
    font-family: 'Open Sans', sans-serif;
    background-color: #fff;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-dorado);
    box-shadow: 0 0 0 3px rgba(133, 97, 69, 0.1);
}

.form-control:invalid {
    border-color: #dc3545;
}

.calendario {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 2rem;
}

.dia-calendario {
    padding: 20px 10px;
    text-align: center;
    border: 2px solid #e9ecef;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    background: var(--color-blanco);
    font-weight: 500;
}

.dia-calendario:hover {
    border-color: var(--color-dorado);
    transform: translateY(-2px);
}

.dia-calendario.seleccionado {
    background-color: var(--color-dorado);
    color: var(--color-blanco);
    border-color: var(--color-dorado);
}

.dia-calendario.hoy {
    border-color: var(--color-dorado-claro);
    background-color: rgba(133, 97, 69, 0.1);
}

.dia-calendario.no-disponible {
    opacity: 0.4;
    cursor: not-allowed;
    background-color: #f8f9fa;
}

.horarios-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
    margin-bottom: 2rem;
}

.horario-btn {
    padding: 15px 10px;
    text-align: center;
    border: 2px solid #e9ecef;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    background: var(--color-blanco);
    font-weight: 500;
    font-size: 14px;
}

.horario-btn:hover {
    border-color: var(--color-dorado);
    transform: translateY(-2px);
}

.horario-btn.seleccionado {
    background-color: var(--color-dorado);
    color: var(--color-blanco);
    border-color: var(--color-dorado);
}

.horario-btn.ocupado {
    opacity: 0.4;
    cursor: not-allowed;
    background-color: #f8f9fa;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-negro);
    color: var(--color-gris-claro);
    padding: var(--spacing-xxl) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo img {
    height: 50px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-title {
    color: var(--color-dorado-claro);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    font-family: 'Montserrat', sans-serif;
}

.footer-description {
    line-height: 1.6;
    color: var(--color-gris-claro);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--color-gris-claro);
    transition: color var(--transition);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--color-dorado-claro);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 0;
    font-size: 0.875rem;
}

.footer-contact i {
    color: var(--color-dorado-claro);
    margin-top: 2px;
    min-width: 16px;
}

.footer-contact a {
    color: var(--color-gris-claro);
    transition: color var(--transition);
}

.footer-contact a:hover {
    color: var(--color-dorado-claro);
}

.footer-copyright {
    background-color: rgba(0,0,0,0.3);
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-gris);
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* ===== MENÚ MÓVIL ===== */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--color-blanco);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== ESTADOS Y UTILIDADES ===== */
.cargando, .no-horarios, .error {
    text-align: center;
    padding: 2rem;
    color: var(--color-gris);
    grid-column: 1 / -1;
    font-style: italic;
}

.error {
    color: #dc3545;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: var(--radius-sm);
}

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-main {
        padding: 12px 0;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-negro);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 100px 30px 30px;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav a {
        font-size: 16px;
        padding: 12px 0;
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    /* BOTONES CORREGIDOS - SE MANTIENEN VISIBLES */
    .btn-primary {
        display: inline-flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        width: auto !important;
        margin: 10px auto !important;
    }
    
    .hero {
        min-height: 70vh;
    }
    
    .hero h1 {
        font-size: 2.2rem;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .reserva-form {
        padding: var(--spacing-lg);
    }
    
    .calendario {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    
    .topbar-content {
        justify-content: center;
        text-align: center;
    }
    
    .topbar-info {
        justify-content: center;
    }
    
    /* BOTÓN DE CONFIRMAR RESERVA FIJADO EN MÓVIL */
    #formulario-reserva button[type="submit"] {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: fixed !important;
        bottom: 20px !important;
        left: 20px !important;
        right: 20px !important;
        z-index: 1000 !important;
        background: #856145 !important;
        color: white !important;
        padding: 15px !important;
        font-size: 18px !important;
        border: none !important;
        border-radius: 8px !important;
        width: calc(100% - 40px) !important;
        box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    }
    
    /* ESPACIO PARA EL BOTÓN FIJO */
    #seccion-formulario {
        padding-bottom: 100px !important;
    }
    
    /* ASEGURAR QUE EL FORMULARIO SEA VISIBLE */
    #seccion-formulario:not(.hidden) {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 12px 24px;
        font-size: 13px;
        width: 100%;
        justify-content: center;
    }
    
    .reserva-form {
        padding: var(--spacing-md);
    }
    
    .calendario {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .card-service {
        padding: var(--spacing-lg);
    }
    
    .logo-text {
        font-size: 16px;
    }
    
    /* BOTÓN DE CONFIRMAR RESERVA EN MÓVIL PEQUEÑO */
    #formulario-reserva button[type="submit"] {
        left: 10px !important;
        right: 10px !important;
        width: calc(100% - 20px) !important;
        font-size: 16px !important;
        padding: 12px !important;
    }
    
    #seccion-formulario {
        padding-bottom: 80px !important;
    }
}