/* ===================================
   EMOTION SALÓN - Estilos Principales
   Paleta: Negro, Blanco, Dorado/Champagne
   =================================== */

/* Variables CSS */
:root {
    /* Colores */
    --color-black: #1a1a1a;
    --color-black-light: #2d2d2d;
    --color-white: #ffffff;
    --color-cream: #faf9f7;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;

    /* Dorados / Champagne */
    --color-gold: #c9a96e;
    --color-gold-light: #d4bc8a;
    --color-gold-dark: #b8956a;
    --color-champagne: #f7e7ce;
    --color-champagne-light: #faf3e6;

    /* Gradientes */
    --gradient-gold: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    --gradient-dark: linear-gradient(180deg, rgba(26,26,26,0.9) 0%, rgba(26,26,26,0.7) 100%);

    /* Tipografía */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Bordes */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
    --shadow-gold: 0 4px 20px rgba(201, 169, 110, 0.3);

    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-navbar: 1000;
    --z-modal: 2000;
    --z-float: 3000;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* Contenedor */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ===================================
   NAVEGACIÓN
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-navbar);
    padding: var(--space-lg) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: var(--space-md) 0;
}

.navbar.scrolled .nav-link {
    color: var(--color-black);
}

.navbar.scrolled .nav-logo .logo-img {
    filter: none;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 55px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: filter var(--transition-base), height var(--transition-base);
    object-fit: contain;
}

.navbar.scrolled .logo-img {
    height: 45px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--color-white);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--gradient-gold);
    color: var(--color-black) !important;
    padding: var(--space-sm) var(--space-lg) !important;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    box-shadow: var(--shadow-gold);
    transform: translateY(-1px);
}

/* Menú móvil */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: var(--z-navbar);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-base);
}

.navbar.scrolled .nav-toggle span {
    background: var(--color-black);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(26, 26, 26, 0.85) 0%,
        rgba(26, 26, 26, 0.6) 40%,
        rgba(26, 26, 26, 0.3) 70%,
        rgba(26, 26, 26, 0.2) 100%
    );
    z-index: 1;
}

.hero-slideshow {
    position: absolute;
    inset: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center right;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-content {
    text-align: left;
    padding: var(--space-4xl) var(--space-lg);
    max-width: 600px;
    position: relative;
    z-index: 2;
    margin-right: auto;
    margin-left: 5%;
}

.hero-subtitle {
    display: block;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 300;
    color: var(--color-white);
    line-height: 1;
    margin-bottom: var(--space-lg);
    letter-spacing: -2px;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    margin-bottom: var(--space-lg);
    font-weight: 300;
}

.hero-price {
    display: flex;
    align-items: baseline;
    justify-content: flex-start;
    gap: var(--space-xs);
    margin-bottom: var(--space-2xl);
}

.price-currency {
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-gold);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 300;
    color: var(--color-white);
    line-height: 1;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--color-black);
    border: none;
}

.btn-primary:hover {
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.btn-outline {
    background: transparent;
    color: var(--color-black);
    border: 1px solid var(--color-black);
}

.btn-outline:hover {
    background: var(--color-black);
    color: var(--color-white);
}

.btn-block {
    width: 100%;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-gray-400);
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-left: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(-45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(10px); }
    60% { transform: translateX(-50%) translateY(5px); }
}

/* ===================================
   SECCIÓN HEADERS
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header.light {
    color: var(--color-white);
}

.section-header.light .section-subtitle {
    color: var(--color-gold-light);
}

.section-header.light .section-description {
    color: var(--color-gray-300);
}

.section-subtitle {
    display: block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 400;
    color: var(--color-black);
    line-height: 1.2;
}

.section-header.light .section-title {
    color: var(--color-white);
}

.section-description {
    font-size: 1rem;
    color: var(--color-gray-500);
    max-width: 600px;
    margin: var(--space-md) auto 0;
}

/* ===================================
   CALCULADOR INTERACTIVO
   =================================== */
.calculador {
    padding: var(--space-4xl) 0;
    background: var(--color-cream);
}

.calculador-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

/* Visual del calculador */
.calculador-visual {
    position: sticky;
    top: 100px;
}

.visual-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-white);
    box-shadow: var(--shadow-xl);
}

.visual-badge {
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    z-index: 10;
    background: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
}

.visual-image-wrapper {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
}

.visual-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity var(--transition-slow);
    position: relative;
    z-index: 1;
    /* Suavizar redimensionado de imágenes */
    image-rendering: auto;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}

/* Placeholder para imágenes - solo se muestra cuando no hay imagen cargada */
.visual-image-wrapper::before {
    content: 'Añadir imagen de Balayage';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-champagne) 0%, var(--color-champagne-light) 100%);
    color: var(--color-gold-dark);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 0;
}

/* Tags visuales - esquina inferior derecha de la imagen */
.visual-tags {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-xs);
    z-index: 10;
}

.visual-tag {
    background: var(--color-gold);
    color: var(--color-black);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   TARJETAS EXPLICATIVAS - CALCULADOR
   =================================== */

/* Área contenedora de tarjetas explicativas */
.explicative-cards-area {
    padding: var(--space-md);
    background: var(--color-gray-100);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    display: none;
}

.explicative-cards-area.has-cards {
    display: block;
}

/* Tarjeta explicativa individual */
.explicative-card {
    position: relative;
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    padding-bottom: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-sm);
    animation: fadeInUp 0.3s ease;
    border-left: 3px solid var(--color-gold);
}

.explicative-card:last-child {
    margin-bottom: 0;
}

/* Imagen de la tarjeta explicativa */
.explicative-card-image {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--color-champagne-light);
}

.explicative-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Contenido de la tarjeta explicativa */
.explicative-card-content {
    flex: 1;
    min-width: 0;
}

.explicative-card-content h5 {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: var(--space-xs);
}

.explicative-card-content p {
    font-size: 0.75rem;
    color: var(--color-gray-600);
    line-height: 1.5;
    margin: 0;
}

/* Colores distintivos por tipo de opción */
.explicative-card[data-option="plex"] {
    border-left-color: var(--color-gold);
}

.explicative-card[data-option="correccion"] {
    border-left-color: #e57373;
}

.explicative-card[data-option="corte"] {
    border-left-color: #81c784;
}

.explicative-card[data-option="ondas"] {
    border-left-color: #64b5f6;
}

/* Tag en esquina inferior derecha de cada tarjeta */
.explicative-card-tag {
    position: absolute;
    bottom: var(--space-sm);
    right: var(--space-sm);
    background: var(--color-gold);
    color: var(--color-black);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Color del tag según tipo */
.explicative-card[data-option="plex"] .explicative-card-tag {
    background: var(--color-gold);
}

.explicative-card[data-option="correccion"] .explicative-card-tag {
    background: #e57373;
    color: white;
}

.explicative-card[data-option="corte"] .explicative-card-tag {
    background: #81c784;
    color: white;
}

.explicative-card[data-option="ondas"] .explicative-card-tag {
    background: #64b5f6;
    color: white;
}

/* Etiquetas de grupo en opciones */
.options-group-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-gold-dark);
    padding: var(--space-sm) 0;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.options-group-label:first-child {
    margin-top: 0;
}

.options-group-label.secondary {
    color: var(--color-gray-500);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-200);
}

/* Panel de opciones */
.calculador-options {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
}

.option-base {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-lg);
    border-bottom: 2px solid var(--color-gold);
    margin-bottom: var(--space-lg);
}

.option-base-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.option-base-info p {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    max-width: 280px;
}

.option-base-price .price {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-gold-dark);
}

.options-divider {
    text-align: center;
    margin: var(--space-lg) 0;
    position: relative;
}

.options-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-gray-200);
}

.options-divider span {
    position: relative;
    background: var(--color-white);
    padding: 0 var(--space-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray-400);
}

.options-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Cards de opciones */
.option-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-md);
    align-items: center;
    padding: var(--space-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.option-card:hover {
    border-color: var(--color-gold-light);
    background: var(--color-champagne-light);
}

.option-card.selected {
    border-color: var(--color-gold);
    background: var(--color-champagne-light);
    box-shadow: var(--shadow-gold);
}

.option-checkbox {
    position: relative;
    width: 24px;
    height: 24px;
}

.option-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.option-checkbox .checkmark {
    position: absolute;
    inset: 0;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.option-checkbox .checkmark::after {
    content: '';
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 6px;
    height: 11px;
    border: solid var(--color-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Usar clase .selected del padre en lugar de :checked para evitar problemas de sincronización */
.option-card.selected .option-checkbox .checkmark {
    background: var(--color-gold);
    border-color: var(--color-gold);
}

.option-card.selected .option-checkbox .checkmark::after {
    display: block;
}

.option-content {
    min-width: 0;
}

.option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xs);
}

.option-header h4 {
    font-size: 0.9375rem;
    font-weight: 600;
}

.option-price {
    font-weight: 700;
    color: var(--color-gold-dark);
    white-space: nowrap;
}

.option-content p {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    line-height: 1.4;
}

.option-note {
    display: block;
    font-size: 0.6875rem;
    color: var(--color-gray-400);
    font-style: italic;
    margin-top: var(--space-xs);
}

.option-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    color: var(--color-gray-500);
    transition: all var(--transition-base);
}

.option-icon svg {
    width: 20px;
    height: 20px;
}

.option-card.selected .option-icon {
    background: var(--color-gold);
    color: var(--color-black);
}

/* Total */
.calculador-total {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-200);
}

.total-breakdown {
    margin-bottom: var(--space-lg);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.breakdown-item.base {
    font-weight: 600;
    color: var(--color-black);
}

.breakdown-item.addon {
    color: var(--color-gold-dark);
    animation: fadeInUp 0.3s ease;
}

.total-final {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--color-black);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.total-label {
    color: var(--color-gray-300);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.total-price {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-gold);
}

/* ===================================
   SERVICIOS
   =================================== */
.servicios {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.servicio-card {
    text-align: center;
    padding: var(--space-2xl);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.servicio-card:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.servicio-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-champagne-light);
    border-radius: 50%;
    color: var(--color-gold-dark);
}

.servicio-icon svg {
    width: 28px;
    height: 28px;
}

.servicio-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.servicio-card p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* ===================================
   GALERÍA
   =================================== */
.galeria {
    padding: var(--space-4xl) 0;
    background: var(--color-cream);
}

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 250px;
    gap: var(--space-md);
}

.galeria-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.galeria-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.galeria-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    position: relative;
    z-index: 1;
}

/* Placeholder para imágenes de galería */
.galeria-item::before {
    content: 'Foto de trabajo';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-champagne) 0%, var(--color-champagne-light) 100%);
    color: var(--color-gold-dark);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 0;
}

.galeria-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.galeria-overlay span {
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 600;
    transform: translateY(10px);
    transition: transform var(--transition-base);
}

.galeria-item:hover img {
    transform: scale(1.05);
}

.galeria-item:hover .galeria-overlay {
    opacity: 1;
}

.galeria-item:hover .galeria-overlay span {
    transform: translateY(0);
}

.galeria-cta {
    text-align: center;
    margin-top: var(--space-3xl);
    padding: var(--space-2xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
}

.galeria-cta .btn {
    background: linear-gradient(135deg, #E1306C 0%, #C13584 50%, #833AB4 100%);
    color: var(--color-white);
    border: none;
    padding: var(--space-md) var(--space-2xl);
    font-size: 1.1rem;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(193, 53, 132, 0.4);
    transition: all var(--transition-base);
}

.galeria-cta .btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(193, 53, 132, 0.5);
}

.galeria-cta .btn svg {
    width: 24px;
    height: 24px;
    margin-right: var(--space-sm);
    stroke: var(--color-white);
}

/* ===================================
   CONTACTO
   =================================== */
.contacto {
    padding: var(--space-4xl) 0;
    background: var(--color-black);
    position: relative;
    overflow: hidden;
}

.contacto::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(201, 169, 110, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.contacto-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 700px;
    margin: 0 auto;
}

.contacto-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.contacto-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-gold);
    transform: translateY(-3px);
}

.contacto-card.whatsapp:hover {
    border-color: #25d366;
}

.contacto-card.instagram:hover {
    border-color: #e4405f;
}

.contacto-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.contacto-icon svg {
    width: 28px;
    height: 28px;
}

.contacto-card.whatsapp .contacto-icon {
    color: #25d366;
}

.contacto-card.instagram .contacto-icon {
    color: #e4405f;
}

.contacto-info h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.contacto-info p {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin-bottom: var(--space-sm);
}

.contacto-action {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gold);
}

.contacto-promo {
    text-align: center;
    margin-top: var(--space-2xl);
    padding: var(--space-lg);
    background: rgba(201, 169, 110, 0.1);
    border-radius: var(--radius-md);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.contacto-promo p {
    color: var(--color-gold-light);
    font-size: 0.875rem;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    padding: var(--space-2xl) 0;
    background: var(--color-black-light);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-logo {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
    object-fit: contain;
}

.footer-brand p {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: var(--color-gray-400);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-gold);
    color: var(--color-black);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    padding-top: var(--space-xl);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--color-gray-600);
}

/* ===================================
   WHATSAPP FLOTANTE
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: var(--z-float);
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    white-space: nowrap;
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

/* ===================================
   RESPONSIVE
   =================================== */

/* Tablet */
@media (max-width: 1024px) {
    .calculador-wrapper {
        grid-template-columns: 1fr;
    }

    .calculador-visual {
        position: relative;
        top: 0;
    }

    .visual-image-wrapper {
        aspect-ratio: 16/10;
    }

    .servicios-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .galeria-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .galeria-item.large {
        grid-column: span 2;
    }
}

/* Móvil */
@media (max-width: 768px) {
    /* Navegación móvil */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-xl);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu .nav-link {
        color: var(--color-black);
        font-size: 1rem;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Hero móvil */
    .hero-content {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        padding-top: var(--space-4xl);
    }

    .hero-price {
        justify-content: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-overlay {
        background: linear-gradient(
            to bottom,
            rgba(26, 26, 26, 0.7) 0%,
            rgba(26, 26, 26, 0.5) 50%,
            rgba(26, 26, 26, 0.8) 100%
        );
    }

    .hero-slide {
        object-position: center top;
    }

    .hero-title {
        font-size: 3rem;
    }

    .price-amount {
        font-size: 3.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    /* Calculador móvil */
    .option-card {
        grid-template-columns: auto 1fr;
    }

    .option-icon {
        display: none;
    }

    .option-base {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }

    .option-base-info p {
        max-width: none;
    }

    /* PLEX diagram móvil */
    .plex-diagram {
        flex-direction: column;
        gap: var(--space-2xl);
    }

    /* Servicios móvil */
    .servicios-grid {
        grid-template-columns: 1fr;
    }

    /* Galería móvil */
    .galeria-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 180px;
    }

    .galeria-item.large {
        grid-column: span 2;
        grid-row: span 1;
    }

    /* Contacto móvil */
    .contacto-grid {
        grid-template-columns: 1fr;
    }

    .contacto-card {
        flex-direction: column;
        text-align: center;
    }

    /* Footer móvil */
    .footer-content {
        flex-direction: column;
        gap: var(--space-xl);
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-md);
    }

    /* WhatsApp float móvil */
    .whatsapp-float {
        width: 54px;
        height: 54px;
        bottom: var(--space-lg);
        right: var(--space-lg);
    }

    .whatsapp-tooltip {
        display: none;
    }
}

/* Móvil pequeño */
@media (max-width: 480px) {
    :root {
        --space-lg: 1rem;
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .total-price {
        font-size: 1.75rem;
    }

    .galeria-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
    }

    .galeria-item.large {
        grid-column: span 1;
    }
}

/* Preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ===================================
   ANIMACIONES DE ENTRADA
   =================================== */
.animate-ready {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Animaciones escalonadas para grids */
.servicios-grid .animate-ready:nth-child(1) { transition-delay: 0ms; }
.servicios-grid .animate-ready:nth-child(2) { transition-delay: 100ms; }
.servicios-grid .animate-ready:nth-child(3) { transition-delay: 200ms; }

.galeria-grid .animate-ready:nth-child(1) { transition-delay: 0ms; }
.galeria-grid .animate-ready:nth-child(2) { transition-delay: 50ms; }
.galeria-grid .animate-ready:nth-child(3) { transition-delay: 100ms; }
.galeria-grid .animate-ready:nth-child(4) { transition-delay: 150ms; }
.galeria-grid .animate-ready:nth-child(5) { transition-delay: 200ms; }
.galeria-grid .animate-ready:nth-child(6) { transition-delay: 250ms; }

/* Hero entrance animation */
.hero-content {
    animation: heroFadeIn 1s ease forwards;
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title {
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-description {
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-price {
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-buttons {
    animation: fadeInUp 0.8s ease 1s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse animation for CTA buttons */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

/* Option card selection animation */
.option-card {
    position: relative;
    overflow: hidden;
}

.option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.1), transparent);
    transition: left 0.5s ease;
}

.option-card.selected::before {
    left: 100%;
}

/* WhatsApp button pulse */
.whatsapp-float {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* Loading shimmer for placeholders */
.visual-image-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 150%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: shimmer 2s infinite;
    z-index: 1;
}

@keyframes shimmer {
    0% {
        left: -150%;
    }
    100% {
        left: 150%;
    }
}

/* When real image is loaded, hide shimmer */
.visual-image[src]:not([src=""]):not([src*="placeholder"]) ~ ::after {
    display: none;
}

/* Price counter animation */
.total-price {
    transition: transform 0.3s ease;
}

.total-price.updating {
    transform: scale(1.1);
}

/* ===================================
   LIGHTBOX
   =================================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.lightbox.active .lightbox-content img {
    opacity: 1;
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease, transform 0.3s ease;
    z-index: 10001;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.lightbox-close svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease, transform 0.3s ease;
    z-index: 10001;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-nav svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

/* Responsive lightbox */
@media (max-width: 768px) {
    .lightbox-close {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }

    .lightbox-close svg {
        width: 20px;
        height: 20px;
    }

    .lightbox-nav {
        width: 40px;
        height: 40px;
    }

    .lightbox-nav svg {
        width: 20px;
        height: 20px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }
}

/* Smooth selection feedback */
.option-checkbox .checkmark {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.option-card.selected .option-checkbox .checkmark {
    animation: checkPop 0.3s ease;
}

@keyframes checkPop {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

/* Contact cards hover effects */
.contacto-card {
    position: relative;
}

.contacto-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contacto-card.whatsapp::after {
    background: radial-gradient(circle at center, rgba(37, 211, 102, 0.1), transparent);
}

.contacto-card.instagram::after {
    background: radial-gradient(circle at center, rgba(228, 64, 95, 0.1), transparent);
}

.contacto-card:hover::after {
    opacity: 1;
}

/* Scroll reveal for sections */
section {
    position: relative;
}

/* Gold line accent */
.section-header::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--gradient-gold);
    margin: var(--space-lg) auto 0;
}

.section-header.light::after {
    background: var(--color-gold);
}