/* ==========================================================================
   CSS PRINCIPAL - ROJAS CONSTRUCCIONES
   Estilo Premium, Mobile-First, Inspiración Patagónica
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES Y VARIABLES DEL SISTEMA (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Paleta de Colores Patagónica con Acento Rojo Corporativo */
    --color-bg: #121214;          /* Negro carbón cálido */
    --color-bg-alt: #1a1a1f;      /* Gris piedra oscuro */
    --color-bg-card: #222228;     /* Gris para tarjetas */
    --color-accent: #e30613;      /* Rojo Rojas Construcciones */
    --color-accent-hover: #be050f;
    --color-text: #f4f4f5;        /* Marfil suave */
    --color-text-muted: #a1a1aa;  /* Gris atenuado */
    --color-whatsapp: #25d366;
    --color-whatsapp-hover: #20ba5a;
    --color-border: #2e2e38;      /* Bordes sutiles */
    --color-error: #ef4444;
    --color-success: #10b981;

    /* Gradientes Premium */
    --gradient-hero: linear-gradient(135deg, rgba(18, 18, 20, 0.94) 0%, rgba(26, 26, 31, 0.88) 100%);
    --gradient-card: linear-gradient(180deg, rgba(34, 34, 40, 0.4) 0%, rgba(34, 34, 40, 0.8) 100%);
    --gradient-fallback-1: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --gradient-fallback-2: linear-gradient(135deg, #27272a 0%, #18181b 100%);
    --gradient-fallback-3: linear-gradient(135deg, #374151 0%, #1f2937 100%);

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

    /* Sombras y Filtros */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.3);
    --shadow-accent: 0 8px 20px rgba(227, 6, 19, 0.2);
    
    /* Transiciones */
    --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease-out;

    /* Bordes */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

/* --------------------------------------------------------------------------
   2. REINICIO Y ESTILOS BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: radial-gradient(circle at 10% 20%, rgba(194, 139, 71, 0.03) 0%, transparent 40%),
                      radial-gradient(circle at 90% 80%, rgba(194, 139, 71, 0.02) 0%, transparent 40%);
    background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-text);
}

p {
    color: var(--color-text-muted);
}

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

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

ul {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    background: none;
    border: none;
    color: inherit;
}

button {
    cursor: pointer;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.section-padding {
    padding: 100px 0;
}

.alt-bg {
    background-color: var(--color-bg-alt);
}

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

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

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

.max-w-600 {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.max-w-800 {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.rounded-corners {
    border-radius: var(--radius-lg);
}

.img-responsive {
    width: 100%;
    object-fit: cover;
}

/* --------------------------------------------------------------------------
   3. BOTONES Y COMPONENTES COMUNES
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    gap: 10px;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg);
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
}

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

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

.btn-whatsapp-header {
    background-color: var(--color-whatsapp);
    color: #ffffff;
    padding: 10px 18px;
    font-size: 0.85rem;
    border-radius: var(--radius-full);
}

.btn-whatsapp-header:hover {
    background-color: var(--color-whatsapp-hover);
    transform: scale(1.05);
}

.btn-full-width {
    width: 100%;
}

/* Badges */
.section-badge {
    display: inline-block;
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    border: 1px solid rgba(194, 139, 71, 0.2);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    background-color: rgba(194, 139, 71, 0.05);
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    font-weight: 700;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.8rem;
    }
}

.section-subtitle {
    font-size: 1.1rem;
    margin-bottom: 50px;
}

/* Listas estilizadas */
.styled-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--color-text-muted);
}

.styled-list li i {
    color: var(--color-accent);
    margin-top: 4px;
}

/* Fallback de Imágenes */
.image-fallback {
    width: 100%;
    aspect-ratio: 16/10;
    display: none; /* Ocultar por defecto, se activa mediante onerror si falla la imagen */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    color: var(--color-text-muted);
    font-family: var(--font-heading);
    gap: 15px;
    border: 1px dashed var(--color-border);
}

.image-fallback i {
    font-size: 3rem;
    color: var(--color-accent);
}

.fallback-gradient-1 { background: var(--gradient-fallback-1); }
.fallback-gradient-2 { background: var(--gradient-fallback-2); }
.fallback-gradient-3 { background: var(--gradient-fallback-3); }

/* --------------------------------------------------------------------------
   4. HEADER Y NAVEGACIÓN (Glassmorphism)
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition-smooth);
}

.header.scrolled {
    background-color: rgba(18, 18, 20, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: 10px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-img {
    height: 38px;
    width: auto;
    display: block;
    transition: var(--transition-smooth);
}

@media (max-width: 768px) {
    .logo-img {
        height: 32px;
    }
}

.logo-scrolled {
    display: none !important;
}

.header.scrolled .logo-default {
    display: none !important;
}

.header.scrolled .logo-scrolled {
    display: block !important;
}

.footer-logo-img {
    height: 50px;
    width: auto;
    display: block;
    margin-bottom: 20px;
}

.nav-menu {
    display: none;
}

@media (min-width: 992px) {
    .nav-menu {
        display: block;
    }
}

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

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 6px 0;
    color: var(--color-text-muted);
}

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

.nav-link:hover, .nav-link.active {
    color: var(--color-text);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Mobile Toggle */
.mobile-nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    z-index: 1100;
}

.mobile-nav-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-smooth);
    transform-origin: left center;
}

@media (min-width: 992px) {
    .mobile-nav-toggle {
        display: none;
    }
}

/* Mobile Menu Expandido */
@media (max-width: 991px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background-color: var(--color-bg-alt);
        z-index: 1050;
        padding: 100px 40px 40px 40px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition-smooth);
        border-left: 1px solid var(--color-border);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 25px;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
    
    .mobile-nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg);
    }
    
    .mobile-nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
        width: 0;
    }
    
    .mobile-nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg);
    }
}

/* --------------------------------------------------------------------------
   5. HERO SECTION (Impacto e Introducción)
   -------------------------------------------------------------------------- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    padding-bottom: 60px;
    overflow: hidden;
}

.hero-bg-zoom {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
    transform: scale(1.05); /* Escala base inicial */
    animation: kenburns 35s infinite alternate ease-in-out;
}

@keyframes kenburns {
    0% {
        transform: scale(1.05) translate(0, 0);
    }
    100% {
        transform: scale(1.15) translate(-1%, -1%);
    }
}

/* Si no hay imagen de fondo cargada, usa un gradiente elegante */
@supports not (background-image: url('')) {
    .hero-section {
        background: linear-gradient(135deg, #121214 0%, #1e1e24 100%);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    gap: 60px;
}

.hero-content {
    max-width: 750px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(194, 139, 71, 0.12);
    border: 1px solid rgba(194, 139, 71, 0.3);
    color: var(--color-accent);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 25px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 20px;
    text-transform: none;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4rem;
        line-height: 1.15;
    }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 35px;
    max-width: 600px;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 1.25rem;
    }
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

/* Stats flotantes del Hero */
.hero-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    width: 100%;
}

@media (min-width: 576px) {
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

.stat-card {
    background: rgba(30, 30, 36, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(194, 139, 71, 0.3);
    background: rgba(34, 34, 40, 0.85);
}

.stat-icon {
    font-size: 1.8rem;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--color-text);
}

.stat-text {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Indicador de Scroll */
.scroll-down-indicator {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: none;
}

@media (min-width: 992px) {
    .scroll-down-indicator {
        display: block;
    }
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--color-text-muted);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
    animation: scroll-wheel 1.6s infinite ease-out;
}

@keyframes scroll-wheel {
    0% { transform: translateY(0); opacity: 0; }
    30% { opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* --------------------------------------------------------------------------
   6. SECCIÓN NOSOTROS (Sobre la Empresa)
   -------------------------------------------------------------------------- */
.nosotros-text {
    padding-right: 0;
}

@media (min-width: 768px) {
    .nosotros-text {
        padding-right: 40px;
    }
}

.nosotros-images .image-wrapper {
    position: relative;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.nosotros-images img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.nosotros-images .image-wrapper:hover img {
    transform: scale(1.03);
}

.features-list {
    margin-top: 35px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 1.4rem;
    color: var(--color-accent);
    margin-top: 3px;
}

.feature-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   7. SECCIÓN SERVICIOS (Tabs Interactivos)
   -------------------------------------------------------------------------- */
.tabs-container {
    margin-top: 40px;
}

.tab-buttons {
    display: inline-flex;
    justify-content: center;
    border: 1px solid var(--color-border);
    background-color: rgba(255, 255, 255, 0.03);
    padding: 6px;
    border-radius: var(--radius-full);
    margin-bottom: 40px;
    gap: 5px;
    flex-wrap: wrap;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.tab-btn {
    padding: 10px 24px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border: none;
    background: transparent;
    border-radius: var(--radius-full);
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.tab-btn:hover {
    color: var(--color-text);
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-1px);
}

.tab-btn.active {
    color: #ffffff;
    background-color: var(--color-accent);
    box-shadow: var(--shadow-accent);
}

.tab-content-wrapper {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
    .tab-content-wrapper {
        padding: 50px;
    }
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fade-in 0.4s ease-out forwards;
}

.tab-text h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-text);
}

.tab-text p {
    margin-bottom: 25px;
}

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

.tab-image img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

/* --------------------------------------------------------------------------
   8. SECCIÓN PROYECTOS (Portafolio Filtrable)
   -------------------------------------------------------------------------- */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 18px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: rgba(194, 139, 71, 0.05);
}

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

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

.portfolio-item {
    transition: var(--transition-smooth);
}

.portfolio-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.portfolio-image-wrapper {
    position: relative;
    overflow: hidden;
    width: 100%;
    aspect-ratio: 16/11;
}

.portfolio-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
    display: block;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(18, 18, 20, 0.1) 0%, rgba(18, 18, 20, 0.95) 100%);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 2;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1 !important;
    transform: translateY(0);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    border-color: rgba(227, 6, 19, 0.4);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3), 0 0 15px rgba(227, 6, 19, 0.05);
}

.portfolio-card:hover img {
    transform: scale(1.06);
}

.portfolio-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 6px;
    display: block;
}

.portfolio-item-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-text);
    line-height: 1.3;
}

.portfolio-location {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.btn-view-project {
    align-self: flex-start;
    background-color: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    padding: 6px 16px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-fast);
    cursor: pointer;
}

.portfolio-card:hover .btn-view-project {
    background-color: var(--color-accent);
    color: #ffffff;
    box-shadow: var(--shadow-accent);
}

.btn-view-project:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

/* --------------------------------------------------------------------------
   9. SECCIÓN PREGUNTAS FRECUENTES (FAQ Acordeón)
   -------------------------------------------------------------------------- */
.faq-accordion {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-item:hover {
    border-color: rgba(194, 139, 71, 0.3);
}

.faq-trigger {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
}

.faq-icon {
    color: var(--color-accent);
    transition: var(--transition-smooth);
}

.faq-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1); /* Truco de altura fluida */
}

.faq-panel p {
    padding: 0 24px 20px 24px;
    font-size: 0.95rem;
}

.faq-item.active .faq-panel {
    max-height: 1000px;
    transition: max-height 0.5s cubic-bezier(1, 0, 1, 0);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

/* --------------------------------------------------------------------------
   10. SECCIÓN CONTACTO (Formulario de Consulta)
   -------------------------------------------------------------------------- */
.contacto-info {
    padding-right: 0;
}

@media (min-width: 768px) {
    .contacto-info {
        padding-right: 40px;
    }
}

.contact-details {
    margin-top: 35px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-detail-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-detail-icon {
    width: 44px;
    height: 44px;
    background-color: rgba(194, 139, 71, 0.08);
    border: 1px solid rgba(194, 139, 71, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-detail-item h4 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.contact-detail-item a, .contact-detail-item p {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
}

.contact-detail-item a:hover {
    color: var(--color-accent);
}

.social-networks {
    margin-top: 40px;
}

.social-networks h4 {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.social-links a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: rgba(194, 139, 71, 0.05);
}

.contacto-form-wrapper {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
    .contacto-form-wrapper {
        padding: 40px;
    }
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: var(--transition-fast);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--color-accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(194, 139, 71, 0.15);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-group select option {
    background-color: var(--color-bg-card);
    color: var(--color-text);
}

.form-message {
    font-size: 0.9rem;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    display: none;
}

.form-message.success {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-message.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* --------------------------------------------------------------------------
   11. FOOTER (Pie de Página)
   -------------------------------------------------------------------------- */
.footer {
    background-color: #0b0b0d;
    border-top: 1px solid var(--color-border);
    padding: 80px 0 20px 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

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

.footer-brand {
    max-width: 400px;
}

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

.footer-description {
    font-size: 0.95rem;
}

.footer-links h4, .footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text);
}

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

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

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

.footer-contact p {
    font-size: 0.95rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact p i {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 25px;
}

.footer-bottom-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

@media (min-width: 768px) {
    .footer-bottom-container {
        flex-direction: flex-row;
        align-items: stretch;
    }
}

.developer-credits {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

/* --------------------------------------------------------------------------
   12. LIGHTBOX / MODAL INTERACTIVO
   -------------------------------------------------------------------------- */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.project-modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 18, 20, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1;
}

.modal-wrapper {
    position: relative;
    z-index: 2;
    width: 90%;
    max-width: 900px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    animation: zoom-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2.2rem;
    line-height: 1;
    color: var(--color-text-muted);
    z-index: 5;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-content {
    display: grid;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .modal-content {
        grid-template-columns: 1.2fr 1fr;
    }
}

.modal-image-col img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
}

@media (min-width: 768px) {
    .modal-image-col img {
        aspect-ratio: auto;
    }
}

.modal-text-col {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media (min-width: 768px) {
    .modal-text-col {
        padding: 40px;
    }
}

.modal-text-col h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-top: 10px;
    margin-bottom: 15px;
}

.modal-text-col p {
    font-size: 0.95rem;
    margin-bottom: 25px;
}

/* --------------------------------------------------------------------------
   13. ANIMACIONES Y MICRO-INTERACCIONES
   -------------------------------------------------------------------------- */
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Animaciones del Scroll con Intersection Observer (JS) */
.reveal-fade, .reveal-slide-up, .reveal-left, .reveal-right {
    opacity: 0;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s ease-out;
}

.reveal-fade.revealed {
    opacity: 1;
}

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

.reveal-slide-up.revealed {
    transform: translateY(0);
    opacity: 1;
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-left.revealed {
    transform: translateX(0);
    opacity: 1;
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-right.revealed {
    transform: translateX(0);
    opacity: 1;
}

/* Soporte para personas con sensibilidad al movimiento */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *, *::before, *::after {
        animation-delay: -1ms !important;
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        background-attachment: initial !important;
        scroll-behavior: auto !important;
        transition-duration: 0s !important;
        transition-delay: 0s !important;
    }
    
    .reveal-fade, .reveal-slide-up, .reveal-left, .reveal-right {
        opacity: 1 !important;
        transform: none !important;
    }
    
    .hero-bg-zoom {
        animation: none !important;
        transform: scale(1) !important;
    }
}

/* --------------------------------------------------------------------------
   14. INNOVACIÓN VISUAL: PARALLAX ISOLOGO & FOUNDER CARD
   -------------------------------------------------------------------------- */
.parallax-isologo {
    position: absolute;
    bottom: -120px;
    left: -150px;
    width: 600px;
    height: 600px;
    background-image: url('../images/logo-white-vertical.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.025; /* Súper sutil */
    pointer-events: none;
    z-index: 0;
    transition: transform 0.15s cubic-bezier(0.25, 1, 0.5, 1);
    transform: rotate(-8deg);
}

@media (max-width: 991px) {
    .parallax-isologo {
        width: 400px;
        height: 400px;
        bottom: -50px;
        left: -80px;
    }
}

/* Firma del Fundador (Nosotros) */
.nosotros-firma {
    margin-top: 35px;
    padding-top: 25px;
    border-top: 1px solid var(--color-border);
}

.firma-cita {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--color-text-muted);
    line-height: 1.55;
    margin-bottom: 16px;
    position: relative;
}

.firma-autor {
    margin-top: 12px;
}

.firma-nombre {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 2px;
}

.firma-cargo {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

/* 3D Bento Glare Effect */
.portfolio-card {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.glare {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0) 60%);
    pointer-events: none;
    z-index: 5;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-card:hover .glare {
    opacity: 1;
}