/* ============================================
   IMECTEC - Estilos Principales
   ============================================ */

/* Variables */
:root {
    --primary: #1a365d;
    --primary-dark: #0f2342;
    --primary-light: #2c5282;
    --accent: #d69e2e;
    --accent-light: #ecc94b;
    --dark: #1a202c;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-300: #e2e8f0;
    --gray-500: #718096;
    --gray-600: #4a5568;
    --gray-700: #2d3748;
    --white: #ffffff;
    --whatsapp: #25d366;
    --font-display: 'Outfit', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--primary);
    padding: 12px 0;
    box-shadow: var(--shadow);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

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

.logo-name {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
}

.logo-tagline {
    font-size: 11px;
    color: var(--accent);
    font-weight: 500;
}

/* Nav Desktop */
.nav-desktop {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-desktop a {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.nav-desktop a:hover {
    color: var(--accent);
}

/* CTA Button */
.btn-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--white);
    color: var(--primary);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
}

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

.btn-cta:hover {
    background: var(--accent);
    color: var(--white);
}

/* Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-dark);
    padding: 30px;
    display: none;
    flex-direction: column;
    gap: 20px;
    z-index: 999;
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav nav {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-nav a {
    font-size: 18px;
    color: var(--white);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.btn-cta-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px;
    background: var(--whatsapp);
    color: var(--white);
    font-weight: 600;
    border-radius: 8px;
    margin-top: auto;
}

.btn-cta-mobile svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Hero
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0 60px;
    overflow: hidden;
}

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

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    /* Overlay oscuro para que los videos se vean bien */
    background: linear-gradient(180deg, 
        rgba(0, 0, 0, 0.5) 0%, 
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.5) 100%
    );
    z-index: 1;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    text-align: center;
    margin: 0 auto;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(28px, 5vw, 52px);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero p {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 35px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-bottom: 50px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--white);
    color: var(--primary);
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.btn-primary svg {
    width: 20px;
    height: 20px;
}

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

.btn-outline {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    background: transparent;
    color: var(--white);
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 8px;
    transition: var(--transition);
}

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

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 800;
    color: var(--white);
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(214, 158, 46, 0.1);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 15px;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 17px;
    color: var(--gray-600);
}

/* ============================================
   Servicios
   ============================================ */
.servicios {
    background: var(--gray-100);
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.servicio-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.servicio-img {
    height: 180px;
    overflow: hidden;
    position: relative;
}

.servicio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.servicio-card:hover .servicio-img img {
    transform: scale(1.08);
}

.servicio-content {
    padding: 25px;
}

.servicio-content h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
}

.servicio-content p {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 15px;
    line-height: 1.6;
}

.servicio-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
}

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

/* ============================================
   Sectores
   ============================================ */
.sectores {
    background: var(--white);
}

.sectores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.sector-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--gray-100);
    border-radius: 12px;
    transition: var(--transition);
}

.sector-card:hover {
    background: var(--primary);
}

.sector-card:hover .sector-icon svg {
    stroke: var(--accent);
}

.sector-card:hover h3 {
    color: var(--white);
}

.sector-icon {
    margin-bottom: 15px;
}

.sector-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--primary);
    transition: var(--transition);
}

.sector-card h3 {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}

/* ============================================
   Proyectos
   ============================================ */
.proyectos {
    background: var(--gray-100);
}

.proyectos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.proyecto-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.proyecto-img {
    position: relative;
    height: 220px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    overflow: hidden;
}

.proyecto-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.proyecto-sector {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 6px 14px;
    background: var(--accent);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
}

.proyecto-content {
    padding: 25px;
}

.proyecto-content h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 15px;
}

.proyecto-detail {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 10px;
}

.proyecto-detail strong {
    color: var(--gray-700);
}

.proyecto-result {
    font-size: 14px;
    padding: 10px 15px;
    background: rgba(56, 161, 105, 0.1);
    color: #38a169;
    border-radius: 6px;
    margin-top: 15px;
}

.proyectos-cta {
    text-align: center;
    margin-top: 40px;
}

/* ============================================
   Nosotros / Diferenciadores
   ============================================ */
.nosotros {
    background: var(--white);
}

.diferenciadores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.diferenciador {
    text-align: center;
    padding: 30px 20px;
}

.diferenciador-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: 50%;
    margin: 0 auto 20px;
}

.diferenciador-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--primary);
}

.diferenciador h3 {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
}

.diferenciador p {
    font-size: 14px;
    color: var(--gray-600);
}

/* ============================================
   FAQ
   ============================================ */
.faq {
    background: var(--gray-100);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 10px;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 25px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
}

.faq-question span {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
}

.faq-question svg {
    width: 20px;
    height: 20px;
    stroke: var(--gray-500);
    transition: var(--transition);
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 25px 20px;
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}

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

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: start;
}

.contacto-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contacto-card {
    display: flex;
    gap: 15px;
    padding: 25px;
    background: var(--gray-100);
    border-radius: 12px;
}

.contacto-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    flex-shrink: 0;
}

.contacto-icon.whatsapp {
    background: var(--whatsapp);
}

.contacto-icon.whatsapp svg {
    width: 24px;
    height: 24px;
    fill: var(--white);
}

.contacto-icon.email {
    background: var(--primary);
}

.contacto-icon.email svg {
    width: 24px;
    height: 24px;
    stroke: var(--white);
}

.contacto-card h3 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 3px;
}

.contacto-card p {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 5px;
}

.contacto-card a {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
}

.contacto-card a:hover {
    color: var(--accent);
}

/* Form */
.contacto-form {
    background: var(--gray-100);
    padding: 35px;
    border-radius: 12px;
}

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

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    font-family: var(--font-body);
    font-size: 15px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    background: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: var(--white);
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background: var(--primary-dark);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 15px;
}

.footer-brand .logo img {
    width: 40px;
    height: 40px;
}

.footer-brand .logo span {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    line-height: 1.7;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-contact a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   WhatsApp Float
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--whatsapp);
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: var(--white);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .nav-desktop {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .contacto-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .proyectos-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contacto-form {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-outline {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 25px;
    }
    
    .stat {
        flex: 1 0 30%;
    }
}

/* ============================================
   Video Carousel - Carrusel de Videos
   ============================================ */
.video-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.video-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

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

.video-slide video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-fallback {
    opacity: 0;
    transition: opacity 0.5s ease;
}

/* Indicadores de video */
.video-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 15;
}

.video-indicator {
    width: 40px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.video-indicator::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: 2px;
}

.video-indicator.active::after {
    animation: videoProgress 8s linear forwards;
}

.video-indicator:hover {
    background: rgba(255, 255, 255, 0.5);
}

@keyframes videoProgress {
    from { width: 0%; }
    to { width: 100%; }
}

@media (max-width: 768px) {
    .video-indicators {
        bottom: 20px;
    }
    
    .video-indicator {
        width: 30px;
    }
}