:root {
    --primary-color: #1e3c72;
    --secondary-color: #2a5298;
    --accent-color: #00c851;
    --whatsapp-color: #25d366;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a1a;
    --black: #000000;
    --white: #ffffff;
    --blue-header: #4a90e2;
    --blue-light: #87ceeb;
    --blue-dark: #1e3c72;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1280px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   WHATSAPP WIDGET
   ============================================ */
#whatsapp-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    animation: bounce 2s infinite;
}

#whatsapp-widget a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--whatsapp-color);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
}

#whatsapp-widget a:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

#whatsapp-widget .tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--text-dark);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

#whatsapp-widget a:hover .tooltip {
    opacity: 1;
    visibility: visible;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}

/* ============================================
   HEADER TOP BAR
   ============================================ */
.header-top-bar {
    background: var(--blue-header);
    color: white;
    padding: 10px 0;
    font-size: 14px;
}

.contact-info-top {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 32px;
}

.contact-item-top {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
}

.contact-item-top i {
    font-size: 14px;
    opacity: 0.9;
}

.contact-item-top a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

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

/* ============================================
   HEADER MAIN
   ============================================ */
.header-main {
    background: white;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 999;
    padding: 16px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
}

.logo {
    height: 70px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

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

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

.btn-whatsapp:hover {
    background: #1da851;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 66px;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    z-index: 998;
}

.mobile-menu.active {
    display: block;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    padding: 24px;
}

.mobile-nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 16px 0;
    border-bottom: 1px solid #eee;
    transition: var(--transition);
}

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

.mobile-nav-link.btn-style {
    background: var(--primary-color);
    color: white;
    text-align: center;
    border-radius: var(--border-radius);
    margin-top: 16px;
    border: none;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(26, 26, 26, 0.85) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -2;
}

.hero-image {
    display: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(26, 26, 26, 0.85) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    color: var(--blue-light);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--blue-light);
    margin-bottom: 8px;
}

.stat-label {
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    font-weight: 500;
    opacity: 0.9;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background: white;
    padding: 32px 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
}

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

.service-card.featured {
    border: 2px solid var(--accent-color);
}

.service-image-container {
    width: 100%;
    height: 180px;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 20px;
}

.service-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--blue-dark), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.75rem;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.service-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
    flex-grow: 1;
}

.service-features {
    list-style: none;
    margin-bottom: 20px;
    text-align: left;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.service-features i {
    color: var(--accent-color);
    font-size: 12px;
    flex-shrink: 0;
}

.service-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--whatsapp-color);
    color: white;
    padding: 12px 20px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    margin-top: auto;
}

.service-cta:hover {
    background: #1da851;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* ============================================
   ABOUT US SECTION
   ============================================ */
.about-us {
    padding: 80px 0;
    background: white;
}

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

.about-text h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 24px;
}

.valores h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.valores-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.valor-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition);
}

.valor-item:hover {
    background: #e8f4f8;
}

.valor-item i {
    color: var(--primary-color);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.valor-item span {
    font-weight: 500;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.about-image {
    text-align: center;
}

.about-img {
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits {
    padding: 80px 0;
    background: var(--black);
    color: var(--white);
}

.benefits .section-title {
    color: var(--blue-light);
}

.benefits .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 columnas en escritorio = 2x2 */
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.benefit-card {
    text-align: center;
    padding: 32px 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--blue-dark), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.75rem;
}

.benefit-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: white;
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* ============================================
   CLIENTS SECTION
   ============================================ */
.clients {
    padding: 80px 0;
    background: white;
}

.clients-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
    align-items: center;
    justify-items: center;
}

.client-logo {
    text-align: center;
    opacity: 0.7;
    transition: var(--transition);
}

.client-logo:hover {
    opacity: 1;
    transform: scale(1.05);
}

.client-img {
    max-width: 120px;
    height: auto;
    filter: grayscale(100%);
    transition: var(--transition);
}

.client-logo:hover .client-img {
    filter: grayscale(0%);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    padding: 80px 0;
    background: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background: white;
    padding: 32px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.testimonial-text {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.author-name {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.author-position {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: 80px 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.contact-card {
    background: white;
    padding: 24px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--blue-dark), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: white;
    font-size: 1.5rem;
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.contact-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.contact-card a:hover {
    color: var(--secondary-color);
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
}

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

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

.form-submit {
    width: 100%;
    padding: 14px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.form-submit:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: 20px;
}

.footer-description {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.footer-title {
    font-size: 1.05rem; /* Reducido de 1.15rem a 1.05rem */
    font-weight: 600;
    margin-bottom: 16px; /* Reducido de 20px a 16px */
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px; /* Reducido de 12px a 8px */
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.85rem; /* Reducido de 0.95rem a 0.85rem */
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: #ccc;
    font-size: 0.95rem;
}

.footer-contact i {
    width: 16px;
    color: var(--accent-color);
    flex-shrink: 0;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

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

.footer-social .social-link:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: #999;
    font-size: 0.9rem;
}

/* ============================================
   ADDITIONAL SERVICES & BRANDS
   ============================================ */
.additional-services {
    padding: 80px 0;
    background: white;
}

.brands {
    padding: 80px 0;
    background: var(--bg-light);
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    align-items: center;
    justify-items: center;
}

.brand-card {
    text-align: center;
    padding: 24px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    width: 100%;
}

.brand-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.brand-img {
    max-width: 100px;
    height: auto;
    margin-bottom: 16px;
}

.brand-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.brand-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ============================================
   RESPONSIVE DESIGN - TABLET
   ============================================ */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 columnas en tablet */
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr); /* Mantener 2 columnas en tablet */
    }
    
    .about-content {
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    /* Header */
    .header-top-bar {
        padding: 8px 0;
        font-size: 13px;
    }
    
    .contact-info-top {
        gap: 16px;
        justify-content: space-around;
    }
    
    .contact-item-top {
        font-size: 12px;
    }
    
    /* Ocultar email y cobertura en móvil */
    .contact-item-top:nth-child(3),
    .contact-item-top:nth-child(4) {
        display: none;
    }
    
    .header-main {
        padding: 12px 0;
    }
    
    .logo {
        height: 60px;
    }
    
    .desktop-menu,
    .desktop-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    /* Hero */
    .hero {
        min-height: 80vh;
        padding: 60px 0;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-large {
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    /* Services */
    .services {
        padding: 60px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card {
        padding: 24px 20px;
    }
    
    .service-image-container {
        height: 160px;
    }
    
    /* About */
    .about-us {
        padding: 60px 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .valores-grid {
        grid-template-columns: 1fr;
    }
    
    /* Benefits */
    .benefits {
        padding: 60px 0;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* Clients */
    .clients {
        padding: 60px 0;
    }
    
    .clients-logos {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .client-img {
        max-width: 100px;
    }
    
    /* Testimonials */
    .testimonials {
        padding: 60px 0;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* Contact */
    .contact {
        padding: 60px 0;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .contact-form {
        padding: 32px 24px;
    }
    
    /* Footer */
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    /* Brands */
    .brands {
        padding: 60px 0;
    }
    
    .brands-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* WhatsApp Widget */
    #whatsapp-widget {
        bottom: 20px;
        right: 20px;
    }
    
    #whatsapp-widget a {
        width: 52px;
        height: 52px;
        font-size: 24px;
    }
    
    #whatsapp-widget .tooltip {
        display: none;
    }
}

/* ============================================
   RESPONSIVE DESIGN - SMALL MOBILE
   ============================================ */
@media (max-width: 480px) {
    html {
        font-size: 15px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-info-top {
        flex-direction: column;
        gap: 8px;
    }
}

/* ============================================
   DESKTOP OPTIMIZATIONS (>1280px)
   ============================================ */
@media (min-width: 1280px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr); /* 3 columnas en escritorio */
    }
    
    .clients-logos {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1000px;
        margin: 0 auto;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ============================================
   SOCIAL MEDIA WIDGET
   ============================================ */
#social-media-widget {
    position: fixed;
    top: 50%;
    right: 24px;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#social-media-widget .social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    font-size: 22px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

#social-media-widget .social-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

#social-media-widget .facebook {
    background: #1877f2;
}

#social-media-widget .facebook:hover {
    background: #145dbf;
}

#social-media-widget .instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

#social-media-widget .instagram:hover {
    opacity: 0.9;
}

#social-media-widget .tiktok {
    background: #000000;
}

#social-media-widget .tiktok:hover {
    background: #333333;
}

/* Responsive para móvil */
@media (max-width: 768px) {
    #social-media-widget {
        right: 20px;
        gap: 10px;
    }
    
    #social-media-widget .social-icon {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }
}