/* 
  Estilos Premium para Volt Amper Argentina S.A.
  Diseño moderno, tecnológico, industrial y confiable.
*/

:root {
    /* Paleta de Colores */
    --primary-color: #FFB703; /* Amarillo/Naranja Eléctrico */
    --primary-hover: #FB8500;
    --secondary-color: #023047; /* Azul Oscuro Industrial */
    --secondary-light: #219EBC; /* Azul Claro/Celeste */
    --accent-color: #8ECAE6;
    
    --text-main: #333333;
    --text-muted: #666666;
    --text-light: #FFFFFF;
    
    --bg-main: #FFFFFF;
    --bg-alt: #F8F9FA;
    --bg-dark: #0B132B;
    
    /* Tipografía */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Sombras y Transiciones */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 24px rgba(2, 48, 71, 0.12);
    --shadow-lg: 0 12px 32px rgba(2, 48, 71, 0.18);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* Bordes */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--secondary-color);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

/* Tipografía y Utilidades */
.text-center { text-align: center; }
.text-white { color: var(--text-light) !important; }

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.title-underline {
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
    margin-bottom: 1.5rem;
}

.title-underline.center {
    margin: 0 auto 1.5rem;
}

.title-underline.light {
    background: var(--primary-color);
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(251, 133, 0, 0.3);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background-color: var(--text-light);
    color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: var(--radius-sm);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color) !important;
}

.btn-block {
    width: 100%;
}

/* Header / Navbar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    padding: 20px 0;
    transition: var(--transition);
}

.header.scrolled {
    background-color: rgba(2, 48, 71, 0.95);
    padding: 12px 0;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-light);
}

.logo-icon {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.logo-accent {
    font-weight: 400;
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
}

.header.scrolled .nav-link {
    color: var(--text-light);
}

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

.mobile-toggle {
    display: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(2, 48, 71, 0.9) 0%, rgba(2, 48, 71, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    color: var(--text-light);
}

.badge {
    display: inline-block;
    background-color: rgba(255, 183, 3, 0.15);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: 24px;
}

.text-gradient {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Quiénes Somos */
.about {
    padding: 100px 0;
    background-color: var(--bg-main);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.stats-container {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #EAEAEA;
}

.stat-box {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 3rem;
    color: var(--secondary-light);
    margin-bottom: 5px;
}

.stat-label {
    font-weight: 600;
    color: var(--secondary-color);
    font-family: var(--font-heading);
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    padding: 20px 0 0 20px;
}

.about-image-decor {
    position: absolute;
    top: 0;
    left: 0;
    width: 80%;
    height: 80%;
    background-color: var(--primary-color);
    border-radius: var(--radius-md);
    z-index: 0;
}

.about-img {
    position: relative;
    z-index: 1;
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: block;
}

/* Servicios */
.services {
    padding: 100px 0;
    background-color: var(--bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--primary-color);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: var(--transition);
    z-index: -1;
}

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

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

.service-icon {
    font-size: 2.5rem;
    color: var(--secondary-light);
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    color: var(--primary-color);
}

.service-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.service-desc {
    color: var(--text-muted);
}

/* Por Qué Elegirnos */
.why-us {
    padding: 100px 0;
    background-color: var(--secondary-color);
    position: relative;
    background-image: radial-gradient(circle at 100% 100%, rgba(33, 158, 188, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 0% 0%, rgba(255, 183, 3, 0.05) 0%, transparent 50%);
}

.why-us-content {
    max-width: 900px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 50px;
}

.feature-item {
    display: flex;
    gap: 20px;
    background: rgba(255, 255, 255, 0.03);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    background-color: rgba(255, 183, 3, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.feature-title {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.feature-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* Contacto */
.contact {
    padding: 100px 0;
    background-color: var(--bg-main);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.contact-details li {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--bg-alt);
    color: var(--secondary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details strong {
    display: block;
    color: var(--secondary-color);
    font-family: var(--font-heading);
    margin-bottom: 4px;
    font-size: 1.1rem;
}

.contact-details p, .contact-details a {
    color: var(--text-muted);
}

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

.social-links {
    margin-top: 30px;
}

.social-links p {
    margin-bottom: 12px;
    color: var(--secondary-color);
}

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-alt);
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-right: 12px;
    transition: var(--transition);
}

.social-btn:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    transform: translateY(-3px);
}

.contact-form-container {
    background-color: var(--bg-alt);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.form-header h3 {
    margin-bottom: 24px;
    font-size: 1.6rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #D1D5DB;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-main);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-light);
    box-shadow: 0 0 0 3px rgba(33, 158, 188, 0.1);
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 60px 0 30px;
    border-top: 4px solid var(--primary-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 40px;
}

.footer-bottom {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image-wrapper {
        order: -1; /* Pone la imagen arriba en móviles */
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }
    
    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--secondary-color);
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: var(--transition);
        visibility: hidden;
    }
    
    .navbar.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        visibility: visible;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .nav-link {
        color: var(--text-light);
        display: block;
        width: 100%;
    }
    
    .header {
        background-color: var(--secondary-color);
        padding: 15px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 2px 2px 15px rgba(0, 0, 0, 0.3);
    color: #FFF;
}