/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colores principales - Paleta moderna */
    --primary-color: #3b82f6;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --success-color: #10b981;
    --danger-color: #ef4444;
    
    /* Colores de fondo - Más sofisticados */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #1d4ed8 100%);
    --bg-gradient-alt: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-glass: rgba(255, 255, 255, 0.1);
    
    /* Colores de texto - Mejor contraste */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;
    --text-white: #ffffff;
    --text-muted: #94a3b8;
    
    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.825rem;
    --font-size-sm: 0.963rem;
    --font-size-base: 1.1rem;
    --font-size-lg: 1.238rem;
    --font-size-xl: 1.375rem;
    --font-size-2xl: 1.65rem;
    --font-size-3xl: 2.063rem;
    --font-size-4xl: 2.475rem;
    --font-size-5xl: 3.3rem;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Bordes y sombras - Más sofisticadas */
    --border-radius: 0.75rem;
    --border-radius-lg: 1.25rem;
    --border-radius-xl: 2rem;
    --shadow-sm: 0 2px 4px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 8px 16px -4px rgb(0 0 0 / 0.1), 0 4px 8px -2px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 20px 25px -8px rgb(0 0 0 / 0.15), 0 10px 10px -5px rgb(0 0 0 0.05);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25), 0 12px 24px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 50px 100px -20px rgb(0 0 0 / 0.25), 0 25px 50px -12px rgb(0 0 0 / 0.15);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    
    /* Transiciones */
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Contenedores */
.container {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0 var(--spacing-lg);
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-white);
    border: none;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
    color: var(--text-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), 0 0 20px rgba(255, 255, 255, 0.2);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Header y Navegación */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
}

.navbar {
    padding: calc(var(--spacing-xl) + 15px) 0;
    min-height: 115px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0 var(--spacing-lg);
    position: relative;
}

.nav-logo {
    display: flex;
    align-items: center;
    position: absolute;
    left: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-image {
    height: 100px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-text h2 {
    color: var(--primary-color);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin: 0;
}

.logo-text span {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    font-weight: 400;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-2xl);
    margin: 0;
    padding: 0;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-lg);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

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

.nav-cta {
    position: absolute;
    right: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section - Más impactante */
.hero {
    padding: 200px 0 120px;
    background: var(--bg-gradient);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    animation: heroBackground 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="rgba(255,255,255,0.05)"><polygon points="0,100 1000,0 1000,100"/></svg>');
    background-size: cover;
    opacity: 0.5;
}

@keyframes heroBackground {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(1deg); }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, var(--font-size-5xl));
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
}

.highlight {
    color: #1e40af; /* Azul rey */
    -webkit-text-stroke: 2px #ffffff; /* Contorno blanco */
    text-stroke: 2px #ffffff; /* Contorno blanco para navegadores que lo soportan */
    position: relative;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    font-weight: 700;
    font-size: 1.2em; /* Hacer la letra más grande */
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 3px;
    background: #f59e0b; /* Mismo amarillo del botón de cotizar */
    border-radius: 2px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-motto {
    font-size: clamp(1.2rem, 3vw, var(--font-size-2xl));
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    line-height: 1.5;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    color: var(--text-white);
    font-style: italic;
}

.hero-subtitle {
    font-size: clamp(0.9rem, 2vw, var(--font-size-base));
    margin-bottom: var(--spacing-3xl);
    opacity: 0.9;
    line-height: 1.6;
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    color: var(--accent-color);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 300px;
}

.hero-graphic i {
    font-size: 4rem;
    color: var(--accent-color);
    text-align: center;
    animation: float 3s ease-in-out infinite;
}

.hero-graphic i:nth-child(2) {
    animation-delay: 0.5s;
}

.hero-graphic i:nth-child(3) {
    animation-delay: 1s;
}

.hero-graphic i:nth-child(4) {
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Secciones generales */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Servicios */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    background: var(--bg-primary);
    padding: var(--spacing-3xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(59, 130, 246, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(59, 130, 246, 0.2);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.service-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.service-card:hover .service-icon::before {
    transform: translateX(100%);
}

.service-icon i {
    font-size: var(--font-size-3xl);
    color: var(--text-white);
    z-index: 1;
    position: relative;
}

.service-card h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.service-card ul {
    list-style: none;
    padding: 0;
}

.service-card li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Por qué elegirnos */
.why-choose-us {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-xl);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), #f97316);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.feature-icon i {
    font-size: var(--font-size-3xl);
    color: var(--text-white);
}

.feature h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Marcas */
.brands {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.brands::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.brand-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    min-height: 140px;
    justify-content: center;
}

.brand-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: var(--bg-secondary);
}

.brand-logo {
    width: 120px;
    height: 90px;
    object-fit: contain;
    filter: grayscale(0%);
    transition: var(--transition);
    max-width: 100%;
}

.brand-item:hover .brand-logo {
    transform: scale(1.1);
}

.brand-item span {
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    font-size: var(--font-size-base);
    margin-top: var(--spacing-sm);
}

/* Portafolio */
.portfolio {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(245, 158, 11, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.portfolio-gallery {
    margin-top: var(--spacing-3xl);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-item {
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    aspect-ratio: 4/3;
}

.portfolio-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.9) 0%, rgba(29, 78, 216, 0.9) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: var(--spacing-xl);
    text-align: center;
}

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

.portfolio-overlay h4 {
    color: var(--text-white);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.portfolio-overlay p {
    color: var(--text-white);
    opacity: 0.9;
    font-size: var(--font-size-base);
    transform: translateY(20px);
    transition: transform 0.3s ease 0.1s;
}

.portfolio-item:hover .portfolio-overlay h4,
.portfolio-item:hover .portfolio-overlay p {
    transform: translateY(0);
}

.portfolio-overlay-icon {
    font-size: var(--font-size-3xl);
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay-icon {
    transform: scale(1);
}

/* Modal de Portafolio */
.portfolio-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.portfolio-modal .modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.portfolio-modal .modal-container {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    max-width: 1200px;
    width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    animation: modalSlideIn 0.3s ease;
    margin: auto;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.portfolio-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--bg-tertiary);
    background: var(--bg-secondary);
    width: 100%;
    text-align: center;
}

.portfolio-modal .modal-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.image-counter {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.portfolio-modal .modal-content {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 15px;
    max-height: calc(90vh - 100px);
    padding: 20px;
    text-align: center;
}

.portfolio-modal .gallery-container {
    position: relative;
    background: var(--bg-dark);
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.portfolio-modal .gallery-main {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-modal .gallery-main img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.portfolio-modal .gallery-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    pointer-events: none;
}

.portfolio-modal .gallery-nav-btn {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid #333;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    font-size: 18px;
    color: #333;
    font-weight: bold;
}

.portfolio-modal .gallery-nav-btn:hover {
    background: #ffffff;
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5);
    border-color: #1e40af;
}

.portfolio-modal .project-info {
    padding: var(--spacing-2xl);
    background: var(--bg-primary);
    overflow-y: auto;
}

.portfolio-modal .project-info h4 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.portfolio-modal .project-info p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.portfolio-modal .project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.portfolio-modal .tech-tag {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid var(--bg-tertiary);
}

/* Contacto */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.contact-info > p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.contact-item i {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    margin-top: var(--spacing-xs);
}

.contact-item h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Formulario */
.contact-form {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: var(--transition);
    background: var(--bg-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo h3 {
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.footer-logo span {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-white);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

/* Responsive Design */

/* Pantallas medianas (13.6" y similares) */
@media (max-width: 1200px) and (min-width: 769px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
        max-width: 1000px;
    }
    
    .service-card {
        padding: var(--spacing-xl);
    }
    
    .service-card h3 {
        font-size: var(--font-size-lg);
    }
    
    .service-card p {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-logo {
        left: var(--spacing-md);
        top: 65%;
    }
    
    .nav-cta {
        right: var(--spacing-md);
        top: 65%;
    }
    
    .nav-menu {
        top: 65%;
    }
    
    .nav-link {
        font-size: var(--font-size-base);
    }
    
    .navbar {
        min-height: 80px;
        padding: var(--spacing-lg) 0;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-primary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-xl) 0;
    }

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

    .hamburger {
        display: flex;
    }
    
    .logo-image {
        height: 80px;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* Móviles pequeños */
@media (max-width: 600px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .service-card {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-logo {
        left: var(--spacing-sm);
        top: 70%;
    }
    
    .nav-cta {
        right: var(--spacing-sm);
        top: 70%;
    }
    
    .nav-menu {
        top: 70%;
    }
    
    .nav-link {
        font-size: var(--font-size-sm);
    }

    .hero {
        padding: 120px 0 60px;
    }
    
    .navbar {
        min-height: 70px;
        padding: var(--spacing-md) 0;
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .section-header h2 {
        font-size: var(--font-size-3xl);
    }

    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    .logo-image {
        height: 75px;
    }
}

/* Animaciones adicionales */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(100px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Clases de animación */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.animate-left.animated {
    opacity: 1;
    transform: translateX(0);
}

.animate-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
}

.animate-right.animated {
    opacity: 1;
    transform: translateX(0);
}

.animate-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s ease-out;
}

.animate-scale.animated {
    opacity: 1;
    transform: scale(1);
}

.animate-up {
    opacity: 0;
    transform: translateY(100px);
    transition: all 0.8s ease-out;
}

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

/* Animaciones con delay */
.animate-delay-1 {
    transition-delay: 0.1s;
}

.animate-delay-2 {
    transition-delay: 0.2s;
}

.animate-delay-3 {
    transition-delay: 0.3s;
}

.animate-delay-4 {
    transition-delay: 0.4s;
}

.animate-delay-5 {
    transition-delay: 0.5s;
}

/* Animaciones existentes */
.service-card,
.feature,
.brand-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Estados de carga */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Mensajes de éxito/error */
.message {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.message.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.message.error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* Estilos para las tarjetas de servicio con CTA */
.service-card {
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

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

.service-cta {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Modal de Galería de Proyectos */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.project-modal.active {
    display: flex;
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-container {
    position: relative;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid #e2e8f0;
    background: var(--bg-secondary);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: var(--font-size-xl);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.modal-close:hover {
    background: #e2e8f0;
    color: var(--text-primary);
}

.modal-content {
    padding: var(--spacing-lg);
    max-height: calc(90vh - 80px);
    overflow-y: auto;
}

/* Galería */
.gallery-container {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 10;
}

.gallery-nav-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    transition: var(--transition);
    pointer-events: all;
    box-shadow: var(--shadow-md);
}

.gallery-nav-btn:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: scale(1.1);
}

.gallery-main {
    width: 100%;
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.gallery-thumbnails {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
}

.gallery-thumbnail {
    flex-shrink: 0;
    width: 80px;
    height: 60px;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.gallery-thumbnail:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.gallery-thumbnail.active {
    border-color: var(--primary-color);
}

.gallery-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Información del proyecto */
.project-info {
    border-top: 1px solid #e2e8f0;
    padding-top: var(--spacing-lg);
}

.project-info h4 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--text-primary);
    font-size: var(--font-size-lg);
}

.project-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-tag {
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Responsive para el modal */
@media (max-width: 768px) {
    .modal-container {
        width: 95%;
        max-height: 95vh;
    }
    
    .modal-content {
        padding: var(--spacing-md);
    }
    
    .gallery-main {
        height: 250px;
    }
    
    .gallery-nav-btn {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }
    
    .gallery-thumbnail {
        width: 60px;
        height: 45px;
    }
    
    .project-tech {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .modal-container {
        width: 100%;
        height: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .modal-header {
        padding: var(--spacing-md);
    }
    
    .modal-content {
        padding: var(--spacing-sm);
    }
    
    .gallery-main {
        height: 200px;
    }
    
    .gallery-nav-btn {
        width: 35px;
        height: 35px;
        font-size: var(--font-size-sm);
    }
}

/* Estilos para el selector de proyectos */
.project-selector {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.project-selector-header {
    text-align: center;
    margin-bottom: 30px;
}

.project-selector-header h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.project-selector-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
    justify-items: center;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
}

.project-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.project-card-image {
    height: 200px;
    overflow: hidden;
}

.project-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
    background-color: #f8f9fa;
    padding: 10px;
}

.project-card:hover .project-card-image img {
    transform: scale(1.05);
}

.project-card-content {
    padding: 20px;
}

.project-card-content h4 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 600;
}

.project-card-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Estilos para la galería de proyecto específico */
.project-gallery {
    padding: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.gallery-header {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.back-to-projects {
    position: relative;
    left: 0;
    top: 0;
    transform: none;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    margin-left: -40px;
    margin-right: auto;
    width: fit-content;
    align-self: flex-start;
    justify-self: flex-start;
}

.back-to-projects:hover {
    background: var(--primary-dark);
    transform: translateY(-50%) scale(1.05);
}

.gallery-header h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    text-align: center;
}

.gallery-header p {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.gallery-container {
    position: relative;
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
    margin-left: 200px;
    margin-right: 200px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.gallery-main {
    text-align: center;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
}

.gallery-main img {
    width: 800px;
    height: 500px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.gallery-nav-btn {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    pointer-events: all;
}

.gallery-nav-btn:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

.image-counter {
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .project-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .project-selector {
        padding: 15px;
    }
    
    .back-to-projects {
        position: relative;
        margin-bottom: 20px;
        transform: none;
    }
    
    .gallery-nav {
        padding: 0 10px;
    }
    
    .gallery-nav-btn {
        width: 40px;
        height: 40px;
    }
    
    .gallery-main {
        min-height: 300px;
    }
    
    .gallery-main img {
        width: 100%;
        height: 300px;
        max-width: 500px;
    }
}

@media (max-width: 480px) {
    .gallery-main {
        min-height: 250px;
    }
    
    .gallery-main img {
        width: 100%;
        height: 250px;
        max-width: 400px;
    }
}

/* Galería de Marcas */
.brands-gallery {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

.brands-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
    z-index: 10;
}

.brands-nav-btn {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    pointer-events: all;
    font-size: 1.2rem;
}

.brands-nav-btn:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

.brands-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

.brands-container {
    overflow: hidden;
    position: relative;
}

.brands-grid {
    display: flex;
    transition: transform 0.5s ease;
    gap: 20px;
    padding: 20px 0;
}

.brands-grid .brand-item {
    min-width: calc(16.666% - 16.67px); /* 6 marcas por página */
    flex-shrink: 0;
    background: white;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.brands-grid .brand-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.brands-grid .brand-item img {
    width: 80px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 10px;
    filter: grayscale(0%); /* Siempre en color */
    transition: all 0.3s ease;
}

.brands-grid .brand-item:hover img {
    filter: grayscale(0%); /* Mantener en color */
    transform: scale(1.05);
}

.brands-grid .brand-item span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}

.brands-counter {
    text-align: center;
    margin-top: 20px;
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Responsive para la galería de marcas */
@media (max-width: 1200px) {
    .brands-grid .brand-item {
        min-width: calc(20% - 16px); /* 5 marcas por página */
    }
}

@media (max-width: 992px) {
    .brands-grid .brand-item {
        min-width: calc(25% - 15px); /* 4 marcas por página */
    }
}

@media (max-width: 768px) {
    .brands-grid .brand-item {
        min-width: calc(33.333% - 13.33px); /* 3 marcas por página */
    }
    
    .brands-nav {
        padding: 0 10px;
    }
    
    .brands-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .brands-grid .brand-item {
        min-width: calc(50% - 10px); /* 2 marcas por página */
    }
}

/* ===========================
   BOTÓN FLOTANTE WHATSAPP
   =========================== */

.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 9999;
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-link {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    padding: 15px 20px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 16px;
    white-space: nowrap;
}

.whatsapp-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
    color: white;
    text-decoration: none;
}

.whatsapp-link:active {
    transform: translateY(-1px);
}

.whatsapp-link i {
    font-size: 24px;
    margin-right: 10px;
    animation: whatsapp-bounce 1s ease-in-out infinite alternate;
}

.whatsapp-text {
    display: inline-block;
    font-family: 'Inter', sans-serif;
}

/* Animaciones */
@keyframes whatsapp-pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes whatsapp-bounce {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-2px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-link {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .whatsapp-link i {
        font-size: 20px;
        margin-right: 8px;
    }
}

@media (max-width: 480px) {
    .whatsapp-float {
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-link {
        padding: 10px 12px;
        border-radius: 50px;
    }
    
    .whatsapp-text {
        display: none; /* Solo mostrar icono en móviles muy pequeños */
    }
    
    .whatsapp-link i {
        margin-right: 0;
        font-size: 24px;
    }
}

/* ===========================
   PROTECCIÓN DE IMÁGENES
   =========================== */

/* Deshabilitar selección en imágenes y galerías */
img, 
.portfolio-item, 
.gallery-main, 
.project-card, 
.brand-item,
.portfolio-item img,
.gallery-main img,
.project-card img {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
    pointer-events: auto;
}

/* Prevenir arrastrar imágenes */
img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
    draggable: false;
}

/* Protección adicional para elementos de galería */
.gallery-container,
.portfolio-grid,
.brands-grid {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Overlay invisible para proteger imágenes */
.portfolio-item::before,
.gallery-main::before,
.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
}

/* Deshabilitar outline en elementos protegidos */
img:focus,
.portfolio-item:focus,
.gallery-main:focus,
.project-card:focus {
    outline: none;
}

/* Protección contra inspección */
.portfolio-item,
.gallery-main,
.project-card {
    position: relative;
}

/* Mensaje de protección personalizado */
.protection-warning {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    z-index: 99999;
    text-align: center;
    max-width: 400px;
}

/* Animación para advertencias */
@keyframes fadeIn {
    from { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
    to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* Animaciones para protección visual */
@keyframes moveProtection {
    0% { background-position: 0 0; }
    100% { background-position: 60px 60px; }
}

@keyframes flashWarning {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

/* Estilos para overlays de protección */
.dynamic-protection-overlay,
.watermark-overlay,
.capture-protection-overlay,
.intense-protection {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Protección adicional para contenedores de imágenes */
.portfolio-item,
.gallery-main,
.project-card,
.brand-item {
    overflow: hidden;
}

/* Mejorar la protección visual */
img[src*="projects"],
img[src*="portadas"] {
    position: relative;
    z-index: 1;
}

/* Marcas de agua SOLO en galerías de clientes (modales) */

/* Protección específica para imágenes en modales */
#projectModal img,
#portfolioModal img {
    position: relative;
}

/* Marca de agua en galerías de clientes */
#projectModal .gallery-main::after,
#portfolioModal .gallery-main::after {
    content: '© STICS SOLUCIONES - PROYECTO CONFIDENCIAL';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    color: rgba(255, 255, 255, 0.8);
    font-size: 32px;
    font-weight: bold;
    font-family: Arial, sans-serif;
    text-shadow: 3px 3px 8px rgba(0,0,0,0.9);
    pointer-events: none;
    z-index: 200;
    white-space: nowrap;
    -webkit-text-stroke: 1px rgba(0,0,0,0.7);
}

/* Overlay de protección solo en galerías */
#projectModal .gallery-main::before,
#portfolioModal .gallery-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        135deg,
        transparent,
        transparent 50px,
        rgba(59, 130, 246, 0.12) 50px,
        rgba(59, 130, 246, 0.12) 52px
    );
    pointer-events: none;
    z-index: 150;
    animation: moveProtection 10s linear infinite;
}

/* Marca de agua adicional en esquinas */
#projectModal .gallery-main::after {
    content: '© STICS SOLUCIONES - PROYECTO CONFIDENCIAL';
}

/* Protección para thumbnails también */
#projectModal .gallery-thumbnails img::after,
#portfolioModal .gallery-thumbnails img::after {
    content: '© STICS';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    font-weight: bold;
    font-family: Arial, sans-serif;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
    pointer-events: none;
    z-index: 100;
    white-space: nowrap;
}