/* ==========================================================================
   IDEA CONSTRUCCIÓN - ESTILOS COMPLETOS Y OPTIMIZADOS
   ========================================================================== */

/* 1. DISEÑO DE SISTEMA DE VARIABLES (TOKENS) */
:root {
    /* Paleta de Colores Exclusiva */
    --clr-bg-dark-primary: #0a0b0e;    /* Negro profundo lujoso */
    --clr-bg-dark-secondary: #121318;  /* Negro alternativo para contrastes */
    --clr-bg-light: #ffffff;
    --clr-bg-beige: #f5f2eb;           /* Beige elegante balanceador */
    --clr-accent-gold: #d4af37;        /* Dorado metálico brillante */
    --clr-accent-gold-rgb: 212, 175, 55;
    --clr-accent-gold-dark: #b89325;   
    --clr-accent-blue: #0b2545;        /* Azul corporativo confiable */
    --clr-accent-blue-light: #134074;
    
    /* Variables de Texto */
    --clr-text-light-pure: #ffffff;
    --clr-text-light-muted: #a0a6b5;
    --clr-text-dark-pure: #16181f;
    --clr-text-dark-muted: #4e5566;

    /* Tipografías */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Outfit', sans-serif;

    /* Sombras y Bordes */
    --border-radius-sm: 4px;
    --border-radius-md: 12px;
    --border-radius-lg: 24px;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --shadow-premium: 0 15px 35px rgba(0, 0, 0, 0.3);
    --shadow-soft: 0 10px 25px rgba(11, 37, 69, 0.05);
}

/* 2. REGLAS GLOBALES Y RESET */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg-dark-primary);
    color: var(--clr-text-light-pure);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

/* Scrollbar Personalizado */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--clr-bg-dark-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--clr-accent-gold);
    border: 3px solid var(--clr-bg-dark-primary);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--clr-accent-gold-dark);
}

/* Utilidades Comunes */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

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

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }
}

.highlight-gold {
    color: var(--clr-accent-gold);
    background: linear-gradient(120deg, var(--clr-accent-gold) 0%, #f3e5ab 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Botones Premium */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: var(--border-radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background-color: var(--clr-accent-gold);
    color: var(--clr-bg-dark-primary);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: 0.5s;
    z-index: -1;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background-color: #ffffff;
    color: var(--clr-bg-dark-primary);
    box-shadow: 0 0 20px rgba(var(--clr-accent-gold-rgb), 0.4);
}

.btn-outline {
    background-color: transparent;
    border-color: #ffffff;
    color: #ffffff;
}

.btn-outline:hover {
    background-color: #ffffff;
    color: var(--clr-bg-dark-primary);
    border-color: #ffffff;
}

/* Encabezados de Sección */
.section-header {
    margin-bottom: 60px;
}

.section-subtitle {
    font-family: var(--font-heading);
    color: var(--clr-accent-gold);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--clr-text-light-pure);
    letter-spacing: -0.5px;
    margin-bottom: 20px;
}

.section-description {
    max-width: 600px;
    margin: 0 auto;
    color: var(--clr-text-light-muted);
}

/* 3. CABECERA (HEADER) CON GLASSMORPHISM */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(10, 11, 14, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.main-header.scrolled {
    padding: 5px 0;
    background-color: rgba(10, 11, 14, 0.95);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
}

.logo-svg {
    height: 50px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-item {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--clr-text-light-muted);
    padding: 10px 0;
    position: relative;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-accent-gold);
    transition: var(--transition-smooth);
}

.nav-item:hover, .nav-item.active {
    color: #ffffff;
}

.nav-item:hover::after, .nav-item.active::after {
    width: 100%;
}

.header-btn {
    padding: 10px 20px;
    border: 1px solid var(--clr-accent-gold);
    color: var(--clr-accent-gold);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--border-radius-sm);
}

.header-btn:hover {
    background-color: var(--clr-accent-gold);
    color: var(--clr-bg-dark-primary);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.nav-toggle .bar {
    width: 25px;
    height: 2px;
    background-color: #ffffff;
    transition: var(--transition-smooth);
}

@media (max-width: 991px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--clr-bg-dark-primary);
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        transition: var(--transition-smooth);
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        padding: 40px;
    }

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

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }

    .nav-item {
        font-size: 1.1rem;
    }
}

/* 4. HERO SECTION */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
    transform: scale(1.05);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 11, 14, 0.95) 0%, rgba(11, 37, 69, 0.6) 100%);
    z-index: -1;
}

.hero-content {
    z-index: 10;
    padding-top: 80px;
    max-width: 800px;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--clr-accent-gold);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 20px;
    display: inline-block;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--clr-text-light-muted);
    margin-bottom: 40px;
    max-width: 650px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Stats Bar */
.stats-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(18, 19, 24, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 30px 0;
    z-index: 10;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

@media (min-width: 768px) {
    .stats-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: #ffffff;
}

.stat-plus, .stat-percent {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--clr-accent-gold);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--clr-text-light-muted);
    margin-top: 5px;
}

/* 5. ABOUT SECTION ("QUIÉNES SOMOS") */
.about-section {
    background-color: var(--clr-bg-dark-secondary);
}

.about-info {
    padding-right: 20px;
}

.about-text {
    color: var(--clr-text-light-muted);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

/* Tabs */
.tabs-container {
    margin-top: 40px;
}

.tab-buttons {
    display: flex;
    gap: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--clr-text-light-muted);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 12px 20px;
    cursor: pointer;
    position: relative;
}

.tab-btn.active {
    color: var(--clr-accent-gold);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--clr-accent-gold);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

/* Estilos para el contenedor de Responsabilidad Social dentro de las pestañas */
.tab-csr-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 20px;
}

@media (min-width: 768px) {
    .tab-csr-container {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .tab-csr-text {
        flex: 1;
        padding-right: 20px;
    }
    
    .tab-csr-visual {
        width: 220px;
        flex-shrink: 0;
    }
}

.tab-csr-text p {
    color: var(--clr-text-light-muted);
    font-size: 1.05rem;
    margin-bottom: 15px;
}

.tab-csr-text p strong {
    color: #ffffff;
}

/* Tarjeta premium para la carta (Diseñada como insignia de reconocimiento) */
.csr-letter-card {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 2px solid rgba(var(--clr-accent-gold-rgb), 0.15);
    background: linear-gradient(135deg, var(--clr-bg-dark-secondary) 0%, #1a1c24 100%);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 30px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    aspect-ratio: 3 / 4;
    width: 100%;
}

.csr-letter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(var(--clr-accent-gold-rgb), 0.1), transparent 70%);
    pointer-events: none;
    transition: var(--transition-smooth);
}

.csr-letter-card:hover {
    transform: translateY(-5px);
    border-color: var(--clr-accent-gold);
    box-shadow: 0 15px 35px rgba(var(--clr-accent-gold-rgb), 0.25);
}

.csr-letter-card:hover::before {
    opacity: 1.5;
}

.csr-badge-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    z-index: 1;
}

.csr-badge-icon {
    width: 64px;
    height: 64px;
    background: rgba(var(--clr-accent-gold-rgb), 0.08);
    border: 1px solid rgba(var(--clr-accent-gold-rgb), 0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-accent-gold);
    margin-bottom: 15px;
    transition: var(--transition-smooth);
    box-shadow: 0 0 15px rgba(var(--clr-accent-gold-rgb), 0.05);
}

.csr-letter-card:hover .csr-badge-icon {
    background: rgba(var(--clr-accent-gold-rgb), 0.15);
    border-color: var(--clr-accent-gold);
    box-shadow: 0 0 25px rgba(var(--clr-accent-gold-rgb), 0.2);
    transform: scale(1.05);
}

.csr-badge-tag {
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--clr-accent-gold);
    margin-bottom: 8px;
}

.csr-badge-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--clr-text-light-pure);
    line-height: 1.3;
    margin-bottom: 4px;
}

.csr-badge-org {
    font-size: 0.85rem;
    color: var(--clr-text-light-muted);
    margin-bottom: 20px;
}

.csr-badge-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--clr-text-light-pure);
    transition: var(--transition-smooth);
}

.csr-letter-card:hover .csr-badge-btn {
    background: var(--clr-accent-gold);
    border-color: var(--clr-accent-gold);
    color: var(--clr-bg-dark-primary);
}

/* Interactive Visual Area */
.about-visual {
    display: flex;
    justify-content: center;
}

.image-wrapper {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
}

.about-img {
    transition: var(--transition-smooth);
}

.image-wrapper:hover .about-img {
    transform: scale(1.05);
}

.visual-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background-color: var(--clr-accent-blue);
    border-left: 4px solid var(--clr-accent-gold);
    padding: 20px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 15px;
}

.badge-years {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--clr-accent-gold);
    line-height: 1;
}

.badge-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    color: #ffffff;
    max-width: 100px;
}

/* Client Logos Marquee */
.clients-section {
    margin-top: 80px;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 50px;
}

.clients-title {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-text-light-muted);
    text-align: center;
    margin-bottom: 30px;
}

.logo-slider {
    width: 100%;
    overflow: hidden;
    padding: 10px 0;
    position: relative;
}

.logo-slider::before, .logo-slider::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
}

.logo-slider::before {
    left: 0;
    background: linear-gradient(to right, var(--clr-bg-dark-secondary), transparent);
}

.logo-slider::after {
    right: 0;
    background: linear-gradient(to left, var(--clr-bg-dark-secondary), transparent);
}

.logo-track {
    display: flex;
    gap: 40px;
    width: calc(240px * 12);
    animation: marquee 25s linear infinite;
}

.logo-card {
    width: 200px;
    height: 80px;
    background-color: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    transition: var(--transition-smooth);
}

.logo-card span {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--clr-text-light-muted);
    letter-spacing: 1px;
    text-align: center;
}

.logo-card:hover {
    border-color: var(--clr-accent-gold);
    background-color: rgba(var(--clr-accent-gold-rgb), 0.05);
}

.logo-card:hover span {
    color: #ffffff;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-240px * 6)); }
}

/* 6. SERVICES SECTION */
.services-section {
    background-color: var(--clr-bg-dark-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 576px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background-color: var(--clr-bg-dark-secondary);
    border: 1px solid rgba(255,255,255,0.03);
    padding: 40px 30px;
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--clr-accent-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--clr-accent-gold-rgb), 0.15);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 25px;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #ffffff;
}

.service-text {
    font-size: 0.95rem;
    color: var(--clr-text-light-muted);
}

/* Full Width Card Styling for Specialties */
.full-width-card {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 30px;
}

@media (max-width: 768px) {
    .full-width-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

/* 7. GALLERY SECTION ("EVIDENCIA FOTOGRÁFICA") */
.gallery-section {
    background-color: var(--clr-bg-beige);
    color: var(--clr-text-dark-pure);
}

.gallery-section .section-title {
    color: var(--clr-text-dark-pure);
}

.gallery-section .section-description {
    color: var(--clr-text-dark-muted);
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    background-color: #ffffff;
    border: 1px solid rgba(11, 37, 69, 0.1);
    color: var(--clr-text-dark-muted);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 10px 24px;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--clr-accent-blue);
    border-color: var(--clr-accent-blue);
    color: #ffffff;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

@media (min-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
}

.gallery-item {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    background-color: #ffffff;
    transition: var(--transition-smooth);
}

.gallery-img-container {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

.gallery-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 37, 69, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px;
    opacity: 0;
    transition: var(--transition-smooth);
    color: #ffffff;
}

.gallery-project-tag {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--clr-accent-gold);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.gallery-project-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.gallery-project-desc {
    font-size: 0.85rem;
    color: var(--clr-text-light-muted);
}

.view-icon {
    position: absolute;
    bottom: 25px;
    right: 25px;
    width: 40px;
    height: 40px;
    background-color: var(--clr-accent-gold);
    color: var(--clr-bg-dark-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(11, 37, 69, 0.15);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover .gallery-hover {
    opacity: 1;
}

.gallery-item:hover .view-icon {
    transform: translateY(0);
    opacity: 1;
}

/* Hide gallery items animation during filter */
.gallery-item.hidden {
    display: none;
}

/* 8. CONTACT SECTION */
.contact-section {
    background-color: var(--clr-bg-dark-primary);
}

.contact-info-panel {
    padding-right: 20px;
}

.contact-panel-desc {
    color: var(--clr-text-light-muted);
    margin-bottom: 40px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: var(--clr-bg-dark-secondary);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-details {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--clr-text-light-muted);
    margin-bottom: 4px;
}

.info-value {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: #ffffff;
}

.info-value:hover {
    color: var(--clr-accent-gold);
}

/* Form Panel */
.contact-form-panel {
    background-color: var(--clr-bg-dark-secondary);
    border: 1px solid rgba(255,255,255,0.03);
    padding: 40px;
    border-radius: var(--border-radius-md);
    position: relative;
    overflow: hidden;
}

.form-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 30px;
    border-left: 3px solid var(--clr-accent-gold);
    padding-left: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 576px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--clr-text-light-muted);
    margin-bottom: 8px;
}

input, select, textarea {
    width: 100%;
    background-color: var(--clr-bg-dark-primary);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--border-radius-sm);
    padding: 12px 16px;
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--clr-accent-gold);
    box-shadow: 0 0 10px rgba(var(--clr-accent-gold-rgb), 0.1);
}

/* Error States */
.form-group.invalid input,
.form-group.invalid select,
.form-group.invalid textarea {
    border-color: #ff4a4a;
}

.error-msg {
    display: none;
    color: #ff4a4a;
    font-size: 0.75rem;
    margin-top: 6px;
}

.form-group.invalid .error-msg {
    display: block;
}

.btn-full {
    width: 100%;
    margin-top: 10px;
}

/* Success Screen inside Form Panel */
.form-success-screen {
    display: none;
    text-align: center;
    padding: 40px 10px;
}

.form-success-screen.active {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
}

.success-icon svg {
    width: 100%;
    height: 100%;
}

.form-success-screen h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: #ffffff;
}

.form-success-screen p {
    color: var(--clr-text-light-muted);
    margin-bottom: 30px;
    max-width: 400px;
}

/* 9. FOOTER */
.main-footer {
    background-color: #050608;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 80px 0 30px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-logo-svg {
    height: 40px;
    width: auto;
    margin-bottom: 20px;
}

.footer-desc {
    color: var(--clr-text-light-muted);
    font-size: 0.95rem;
    max-width: 450px;
}

.footer-links h4, .footer-newsletter h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-accent-gold);
    margin-bottom: 25px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--clr-text-light-muted);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: #ffffff;
    padding-left: 5px;
}

.footer-newsletter p {
    color: var(--clr-text-light-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.newsletter-form input {
    border: none;
    background-color: transparent;
    padding: 12px;
}

.newsletter-form button {
    background-color: var(--clr-accent-gold);
    color: var(--clr-bg-dark-primary);
    border: none;
    padding: 0 20px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.newsletter-form button:hover {
    background-color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 30px;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.8rem;
}

/* 10. LIGHTBOX GALLERY MODAL */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 11, 14, 0.98);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lightbox.open {
    display: flex;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 3rem;
    cursor: pointer;
    line-height: 1;
    z-index: 10;
    transition: var(--transition-smooth);
}

.lightbox-close:hover {
    color: var(--clr-accent-gold);
}

.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: #ffffff;
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    z-index: 10;
}

.lightbox-prev { left: 30px; }
.lightbox-next { right: 30px; }

.lightbox-prev:hover, .lightbox-next:hover {
    background-color: var(--clr-accent-gold);
    color: var(--clr-bg-dark-primary);
    border-color: var(--clr-accent-gold);
}

@media (max-width: 768px) {
    .lightbox-prev { left: 10px; }
    .lightbox-next { right: 10px; }
}

.lightbox-content {
    max-width: 900px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#lightbox-img {
    max-height: 70vh;
    max-width: 100%;
    border-radius: var(--border-radius-md);
    box-shadow: 0 20px 50px rgba(0,0,0,0.8);
    object-fit: contain;
    animation: zoomIn 0.3s ease;
}

.lightbox-caption {
    width: 100%;
    text-align: center;
    margin-top: 20px;
    color: #ffffff;
}

.lightbox-caption h4 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin: 5px 0;
}

.lightbox-caption p {
    font-size: 0.9rem;
    color: var(--clr-text-light-muted);
}

/* 11. ANIMATIONS AND REVEAL EFFECTS */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Scroll Reveal Classes (controlled via JS) */
.reveal, .reveal-left, .reveal-right {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-50px);
}

.reveal-right {
    transform: translateX(50px);
}

.reveal.active, .reveal-left.active, .reveal-right.active {
    opacity: 1;
    transform: translate(0);
}

/* ==========================================================================
   ELEMENTOS DE DETALLE Y EXCELENCIA
   ========================================================================== */

/* Botón Flotante de WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 999;
    transition: var(--transition-smooth);
    border: 2px solid rgba(255,255,255,0.2);
}

.whatsapp-icon {
    width: 32px;
    height: 32px;
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #25d366;
    opacity: 0.5;
    z-index: -1;
    animation: pulseWhatsapp 2s infinite;
}

.whatsapp-badge {
    position: absolute;
    right: 70px;
    background-color: var(--clr-accent-blue);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 20px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition-smooth);
    pointer-events: none;
    border: 1px solid var(--clr-accent-gold);
    white-space: nowrap;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: var(--clr-accent-gold);
    color: var(--clr-bg-dark-primary);
}

.whatsapp-float:hover::before {
    background-color: var(--clr-accent-gold);
}

.whatsapp-float:hover .whatsapp-badge {
    opacity: 1;
    transform: translateX(0);
}

@keyframes pulseWhatsapp {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.4); opacity: 0; }
}

/* Enlaces completos para los ítems de contacto */
.contact-info-item-link {
    display: block;
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-info-item-link:hover .info-icon {
    border-color: var(--clr-accent-gold);
    background-color: rgba(var(--clr-accent-gold-rgb), 0.05);
    transform: translateY(-2px);
}

.contact-info-item-link:hover .info-value {
    color: var(--clr-accent-gold);
}

/* Suavizar la transición del icono */
.info-icon {
    transition: var(--transition-smooth);
}