/* Variables CSS con colores Activa Ingeniería - ACTUALIZADO */
:root {
    --activa-primary: #228B22;        /* Verde corporativo principal */
    --activa-secondary: #32CD32;      /* Verde más claro */
    --activa-accent: #006400;         /* Verde oscuro */
    --activa-dark: #004225;           /* Verde muy oscuro */
    --activa-light: #F0FFF0;          /* Verde muy claro */
    --activa-white: #ffffff;          /* Blanco */
    --activa-gray: #f8f9fa;           /* Gris claro */
    
    /* Compatibility variables */
    --primary: var(--activa-dark);
    --secondary: var(--activa-white);
    --accent: var(--activa-primary);
    --gray-light: var(--activa-light);
    --gray-medium: #6c757d;
    --gray-dark: #343a40;
    --shadow: rgba(34, 139, 34, 0.1);
    --shadow-medium: rgba(34, 139, 34, 0.15);
    --shadow-strong: rgba(34, 139, 34, 0.25);
    
    /* Gradientes verdes */
    --gradient-primary: linear-gradient(135deg, #228B22 0%, #32CD32 100%);
    --gradient-hero: linear-gradient(135deg, #004225 0%, #228B22 50%, #32CD32 100%);
    --gradient-overlay: linear-gradient(rgba(0, 66, 37, 0.7), rgba(34, 139, 34, 0.7));
    
    --transition: all 0.3s ease;
    --border-radius: 10px;
    --border-radius-small: 5px;
    --border-radius-large: 20px;
}

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

*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--primary);
    overflow-x: hidden;
    background-color: var(--secondary);
}

/* Utilidades */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* Botones */
.btn-primary,
.cta-button {
    background: var(--gradient-primary);
    color: white;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--border-radius-large);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(231, 92, 0, 0.3);
}

.btn-primary:hover,
.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 92, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 0.875rem 2rem;
    border: 2px solid white;
    border-radius: var(--border-radius-large);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Header y Navigation - Single Level Structure */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

/* Main Navigation */
.main-nav {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(34, 139, 34, 0.1);
    box-shadow: 0 2px 10px rgba(34, 139, 34, 0.08);
}

.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.nav-brand {
    padding: 0.75rem 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--activa-dark);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 1rem 0.5rem;
    transition: var(--transition);
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--activa-primary);
    transition: width 0.3s ease;
}

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

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 220px;
    box-shadow: 0 10px 30px rgba(34, 139, 34, 0.15);
    border-radius: var(--border-radius);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    padding: 1rem 0;
    margin: 0;
    border: 1px solid rgba(34, 139, 34, 0.1);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    padding: 0.75rem 1.5rem;
    color: var(--activa-dark);
    font-weight: 400;
    border-bottom: none;
    display: block;
}

.dropdown-menu a:hover {
    background: var(--activa-light);
    color: var(--activa-primary);
    padding-left: 2rem;
}

.dropdown-menu a::after {
    display: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 3px;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: var(--activa-dark);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.phone-number {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary);
    white-space: nowrap;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    transition: var(--transition);
    border-radius: 2px;
}


/* Hero Section - OPTIMIZADO */
.hero {
    height: 100vh;
    min-height: 700px;
    background: var(--gradient-overlay),
                url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    margin-top: 70px; /* Single header space */
    padding-top: 2rem;
}

/* Asegurar que el hero no se solape con el header optimizado */
#inicio.hero {
    margin-top: 70px;
    padding-top: 2rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.3s both;
}

/* Hero Statistics */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    animation: fadeInUp 1s ease 0.4s both;
}

.stat-card {
    background: rgba(34, 139, 34, 0.95) !important;
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.4) !important;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
}

/* Forzar contraste en las estadísticas del hero */
.hero-stats .stat-card {
    background: rgba(0, 0, 0, 0.7) !important;
    border: 2px solid rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(15px) !important;
}

.stat-card:hover {
    background: rgba(34, 139, 34, 1);
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: #ffffff !important;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.7) !important;
}

/* Máxima especificidad para forzar color blanco */
section.hero .hero-stats .stat-card .stat-number {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    background-color: transparent !important;
}

section.hero .hero-stats .stat-card .stat-label {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    background-color: transparent !important;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 1) !important;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5) !important;
}

/* Asegurar contraste en estadísticas del hero */
.hero-stats .stat-number {
    color: #ffffff !important;
    text-shadow: 0 2px 6px rgba(0,0,0,0.8) !important;
    font-weight: 800 !important;
}

.hero-stats .stat-label {
    color: #ffffff !important;
    text-shadow: 0 1px 4px rgba(0,0,0,0.6) !important;
    font-weight: 600 !important;
}

/* Solución específica para números verdes */
.hero .stat-number {
    color: #ffffff !important;
    background: none !important;
}

.hero .stat-label {
    color: rgba(255, 255, 255, 1) !important;
    background: none !important;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(transparent, rgba(255,255,255,0.1));
    pointer-events: none;
}

/* Servicios Section */
.services {
    padding: 100px 0;
    background: var(--gray-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: 0 5px 25px var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border-top: 4px solid var(--accent);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(231, 92, 0, 0.1), transparent);
    transition: left 0.6s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--shadow-medium);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(231, 92, 0, 0.3);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
}

.service-card p {
    color: var(--gray-medium);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.service-card ul li {
    color: var(--gray-medium);
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.5rem;
}

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

/* Service Details */
.service-details {
    margin: 1.5rem 0;
}

.service-details h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    margin: 1rem 0 0.5rem 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
    margin-top: 1rem;
}

.benefit {
    background: var(--activa-light);
    padding: 0.5rem;
    border-radius: var(--border-radius-small);
    font-size: 0.9rem;
    display: block;
    border-left: 3px solid var(--accent);
}

.service-cta {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    margin-top: 1rem;
}

.service-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(34, 139, 34, 0.3);
}

/* Products Section */
.products {
    padding: 100px 0;
    background: white;
}

.products-intro {
    text-align: center;
    margin: 3rem 0;
    padding: 2rem;
    background: var(--activa-light);
    border-radius: var(--border-radius);
    border: 1px solid var(--activa-primary);
}

.products-intro h3 {
    color: var(--activa-dark);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.included-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.service-item {
    background: white;
    padding: 1rem;
    border-radius: var(--border-radius-small);
    font-weight: 500;
    color: var(--activa-dark);
    border: 1px solid var(--activa-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: 0 5px 25px var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--activa-primary);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(34, 139, 34, 0.1), transparent);
    transition: left 0.6s ease;
}

.product-card:hover::before {
    left: 100%;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--shadow-medium);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(34, 139, 34, 0.3);
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
}

.product-description {
    color: var(--gray-medium);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.product-specs {
    margin: 1.5rem 0;
}

.product-specs h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    margin: 1rem 0 0.5rem 0;
}

.product-specs ul {
    list-style: none;
    padding: 0;
}

.product-specs ul li {
    color: var(--gray-medium);
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9rem;
}

.product-specs ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--activa-primary);
    font-weight: bold;
}

/* Removed pricing section for better focus on technical specs */

.product-cta {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    font-size: 1rem;
}

.product-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 139, 34, 0.4);
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background: var(--activa-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 25px var(--shadow);
    transition: var(--transition);
    position: relative;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--shadow-medium);
}

.project-image {
    height: 200px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.project-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.project-card:hover .project-icon {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--gray-medium);
}

.project-client {
    font-weight: 500;
    color: var(--activa-primary);
}

.project-year {
    font-weight: 500;
}

.project-description {
    color: var(--gray-medium);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-specs {
    margin: 1.5rem 0;
    background: var(--activa-light);
    padding: 1rem;
    border-radius: var(--border-radius-small);
    border-left: 4px solid var(--activa-primary);
}

.spec-item {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    line-height: 1.4;
}

.spec-item:last-child {
    margin-bottom: 0;
}

.spec-item strong {
    color: var(--activa-dark);
    font-weight: 600;
}

.project-cta {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    font-size: 0.95rem;
}

.project-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 139, 34, 0.4);
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--activa-light);
    border-radius: var(--border-radius);
    padding: 2rem;
    border-left: 4px solid var(--activa-primary);
    box-shadow: 0 5px 25px var(--shadow);
    transition: var(--transition);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-medium);
}

.testimonial-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.quote-icon {
    margin-bottom: 1rem;
    opacity: 0.7;
}

.testimonial-card blockquote {
    font-style: italic;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-dark);
    margin: 0 0 1.5rem 0;
    flex-grow: 1;
    position: relative;
}

.testimonial-card blockquote::before {
    content: '"';
    font-size: 4rem;
    color: var(--activa-primary);
    position: absolute;
    top: -20px;
    left: -10px;
    font-family: Georgia, serif;
    opacity: 0.3;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid rgba(34, 139, 34, 0.2);
}

.author-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--activa-dark);
    margin-bottom: 0.25rem;
}

.author-position {
    display: block;
    font-size: 0.9rem;
    color: var(--activa-primary);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.author-company {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-medium);
    font-style: italic;
}

.rating {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
}

.rating span:first-child {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.rating-text {
    font-size: 0.8rem;
    color: var(--gray-medium);
    font-weight: 500;
}

.testimonials-cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem 2rem;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    color: white;
}

.testimonials-cta h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.testimonials-cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.testimonials-button {
    background: white;
    color: var(--activa-primary);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-large);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.testimonials-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: var(--activa-light);
}

/* About Section */
.about {
    padding: 100px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.lead {
    font-size: 1.2rem;
    color: var(--gray-medium);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.features {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.feature p {
    color: var(--gray-medium);
    line-height: 1.5;
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-medium);
    font-weight: 500;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px var(--shadow-medium);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--gray-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px var(--shadow);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
}

.contact-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

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

.contact-item a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Contact Form */
.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 25px var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius-small);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(231, 92, 0, 0.1);
}

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

/* Form Validation Styles */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.form-group input.success,
.form-group select.success,
.form-group textarea.success {
    border-color: #28a745;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.field-error {
    display: block;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    font-weight: 500;
}

.field-success {
    display: block;
    color: #28a745;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    font-weight: 500;
}

/* Loading spinner for form submission */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Footer */
.footer {
    background: var(--primary);
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--accent);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0.5rem 0;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

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

@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-accent {
    color: var(--accent);
}

.bg-primary {
    background: var(--primary);
}

.bg-accent {
    background: var(--accent);
}

/* Notification */
.notification {
    position: fixed;
    top: 100px;
    right: 30px;
    background: white;
    color: var(--primary);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 25px var(--shadow-medium);
    z-index: 1001;
    opacity: 0;
    transform: translateX(100%);
    transition: var(--transition);
}

.notification.success {
    border-left: 4px solid #28a745;
}

.notification.error {
    border-left: 4px solid #dc3545;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

/* Lazy loading */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

img.lazy.loaded {
    opacity: 1;
}