/* ===================================
   Variables y Configuración Global
   =================================== */
:root {
    /* Paleta de Colores Principal - Profesional y Moderna */
    --primary-color: #0066cc;
    --primary-dark: #004a99;
    --primary-light: #3385d6;
    --secondary-color: #00c896;
    --secondary-dark: #00a076;
    --accent-color: #ff6b35;
    
    /* Colores Neutros */
    --dark-blue: #1a2332;
    --gray-dark: #2d3748;
    --gray-medium: #4a5568;
    --gray-light: #cbd5e0;
    --gray-lighter: #e2e8f0;
    --gray-lightest: #f7fafc;
    --white: #ffffff;
    
    /* Tipografía */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Bordes */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===================================
   Reset y Base
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   Contenedor
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Header y Navegación
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-menu a {
    color: var(--gray-dark);
    font-weight: var(--font-weight-semibold);
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

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

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

/* ===================================
   Hero Section - Carrusel
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-carousel {
    position: relative;
    width: 100%;
    height: 100vh;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

/* Backgrounds únicos para cada slide */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.bg-pattern-1 {
    background: linear-gradient(135deg, #1a2332 0%, #004a99 100%);
}

.bg-pattern-2 {
    background: linear-gradient(135deg, #004a99 0%, #0066cc 100%);
}

.bg-pattern-3 {
    background: linear-gradient(135deg, #00a076 0%, #00c896 100%);
}

/* Formas decorativas animadas */
.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 200, 150, 0.3) 0%, transparent 70%);
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.2) 0%, transparent 70%);
    bottom: -10%;
    right: -10%;
    animation-delay: 3s;
}

.shape-3 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
    top: 20%;
    right: 10%;
    animation-delay: 1s;
}

.shape-4 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(0, 200, 150, 0.25) 0%, transparent 70%);
    bottom: 15%;
    left: 10%;
    animation-delay: 4s;
}

.shape-5 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.3) 0%, transparent 70%);
    top: 15%;
    left: 15%;
    animation-delay: 2s;
}

.shape-6 {
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    bottom: 10%;
    right: 5%;
    animation-delay: 5s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(40px, 10px) scale(1.02);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: var(--spacing-xxl) 0;
    animation: slideInUp 1s ease-out;
}

.hero-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-md);
    animation: bounce 2s infinite;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--white);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    color: var(--secondary-color);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--gray-lighter);
    margin-bottom: var(--spacing-xl);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
}

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

/* Controles del Carrusel */
.carousel-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    z-index: 10;
    pointer-events: none;
}

.carousel-arrow {
    pointer-events: all;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.carousel-arrow:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--secondary-color);
    transform: scale(1.1);
}

.carousel-arrow span {
    display: block;
    line-height: 1;
}

/* Indicadores */
.carousel-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.2);
}

.indicator.active {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    width: 40px;
    border-radius: 6px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
    pointer-events: none;
    z-index: 1;
}

/* ===================================
   Botones
   =================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

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

.btn-primary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-full {
    width: 100%;
}

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

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.section-intro h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.section-intro p {
    font-size: 1.125rem;
    color: var(--gray-medium);
}

/* ===================================
   Propuesta de Valor
   =================================== */
.value-proposition {
    background: var(--gray-lightest);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.375rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--gray-medium);
    line-height: 1.7;
}

/* ===================================
   Servicios
   =================================== */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.service-item {
    padding: var(--spacing-xl);
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.service-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.service-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.service-icon {
    font-size: 2.5rem;
}

.service-item h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
}

.service-item p {
    color: var(--gray-medium);
    line-height: 1.7;
}

.service-highlight {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(0, 200, 150, 0.05) 100%);
    border-color: var(--primary-color);
    border-width: 3px;
}

.service-highlight .service-header {
    margin-bottom: var(--spacing-md);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===================================
   Seguridad Minera
   =================================== */
.mining-security {
    background: var(--gray-lightest);
    position: relative;
    overflow: hidden;
}

.mining-security::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.security-solutions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.solution-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border-left: 4px solid var(--primary-color);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-left-color: var(--secondary-color);
}

.solution-icon {
    font-size: 3.5rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

.solution-card h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.solution-card > p {
    color: var(--gray-medium);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.solution-features {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-md);
}

.solution-features li {
    padding: 0.5rem 0;
    color: var(--gray-dark);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.solution-features li::before {
    content: '✓';
    color: var(--secondary-color);
    font-weight: var(--font-weight-bold);
    font-size: 1.2rem;
}

.cta-section {
    text-align: center;
    padding: var(--spacing-xxl);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    color: var(--white);
}

.cta-section h3 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

/* ===================================
   Nosotros
   =================================== */
.about {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

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

.about-text h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.about-text .lead {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    opacity: 0.95;
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    opacity: 0.9;
}

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

.image-placeholder {
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    backdrop-filter: blur(10px);
}

/* ===================================
   Proceso
   =================================== */
.process {
    background: var(--gray-lightest);
}

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

.step {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.step-number {
    display: inline-block;
    width: 80px;
    height: 80px;
    line-height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.step h3 {
    font-size: 1.375rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
}

.step p {
    color: var(--gray-medium);
    line-height: 1.7;
}

/* ===================================
   Contacto
   =================================== */
.contact {
    background: var(--white);
}

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

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    font-size: 1.125rem;
    color: var(--gray-medium);
    margin-bottom: var(--spacing-xl);
}

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

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

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-weight: var(--font-weight-semibold);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-xs);
}

.contact-item p,
.contact-item a {
    color: var(--gray-medium);
    line-height: 1.6;
}

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

/* Formulario */
.contact-form-wrapper {
    background: var(--gray-lightest);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: var(--font-weight-semibold);
    color: var(--dark-blue);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark-blue);
    color: var(--gray-lighter);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-logo img {
    height: 50px;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
}

.footer-logo p {
    color: var(--gray-light);
}

.footer h4 {
    color: var(--white);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.footer-contact p {
    margin-bottom: var(--spacing-sm);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--gray-light);
    font-size: 0.875rem;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 968px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .image-placeholder {
        width: 300px;
        height: 300px;
        font-size: 6rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links ul {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-icon {
        font-size: 3.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .carousel-arrow {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .carousel-indicators {
        bottom: 20px;
    }
    
    .hero-shape {
        display: none;
    }
    
    .btn {
        width: 100%;
    }
    
    .section-intro h2 {
        font-size: 2rem;
    }
    
    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .security-solutions {
        grid-template-columns: 1fr;
    }
    
    .solution-card {
        padding: var(--spacing-lg);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Animaciones
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.hero-slide.active .hero-content {
    animation: slideInUp 1s ease-out;
}