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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* Header */
header {
    background: linear-gradient(135deg, #0056b3, #007bff);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.phone-button {
    background: #28a745;
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(40,167,69,0.3);
}

.phone-button:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40,167,69,0.4);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,86,179,0.8), rgba(0,123,255,0.8));
    color: white;
    padding: 150px 0 80px;
    text-align: center;
    margin-top: 70px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    background: #ff6b35;
    color: white;
    padding: 15px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    display: inline-block;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(255,107,53,0.3);
}

.cta-button:hover {
    background: #e55a2b;
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(255,107,53,0.4);
}

/* Services Section */
.services {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
    color: #0056b3;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.service-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #0056b3;
}

.service-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    margin: 0 auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Nueva Sección Urgencia y Ofertas */
.urgencia-ofertas {
    background: #fff5f5;
    padding: 60px 0;
}

.section-title-special {
    text-align: center;
    font-size: 2rem;
    color: #d32f2f;
    margin-bottom: 40px;
}

.ofertas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.oferta-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.oferta-card:hover {
    transform: translateY(-5px);
}

.oferta-card h3 {
    color: #d32f2f;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.oferta-card:nth-child(2) h3 {
    color: #0056b3;
}

.oferta-card:nth-child(3) h3 {
    color: #28a745;
}

.oferta-destacado {
    font-size: 2rem;
    font-weight: bold;
    color: #0056b3;
    margin-top: 15px;
}

.oferta-destacado.verde {
    color: #28a745;
}

.oferta-cta {
    text-align: center;
}

.cta-button-special {
    background: #d32f2f;
    color: white;
    padding: 18px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.3rem;
    display: inline-block;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(211,47,47,0.3);
}

.cta-button-special:hover {
    background: #b71c1c;
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(211,47,47,0.4);
}

.urgencia-texto {
    margin-top: 20px;
    color: #666;
}

.urgencia-texto strong {
    font-size: 1.1rem;
}

/* Benefits */
.benefits {
    background: #0056b3;
    color: white;
    padding: 60px 0;
    text-align: center;
}

.benefits h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.benefit-item {
    padding: 20px;
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.benefit-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Nueva Sección Garantías */
.garantias {
    background: #f8f9fa;
    padding: 60px 0;
}

.garantias-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.garantia-item {
    text-align: center;
    padding: 20px;
}

.garantia-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.garantia-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #0056b3;
}

/* Nueva Sección Marcas */
.marcas {
    background: white;
    padding: 60px 0;
}

.section-title-marcas {
    text-align: center;
    font-size: 1.8rem;
    color: #666;
    margin-bottom: 40px;
}

.marcas-lista {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    opacity: 0.7;
}

.marca-item {
    font-size: 1.2rem;
    color: #999;
}

/* Nueva Sección Testimonios */
.testimonios {
    background: #0056b3;
    color: white;
    padding: 60px 0;
}

.testimonios h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
}

.testimonios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonio-card {
    background: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 10px;
    transition: background 0.3s;
}

.testimonio-card:hover {
    background: rgba(255,255,255,0.15);
}

.estrellas {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.testimonio-texto {
    font-style: italic;
    margin-bottom: 15px;
    line-height: 1.7;
}

.testimonio-autor {
    font-weight: bold;
}

/* Contact Form */
.contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #0056b3;
}

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

.submit-button {
    background: #0056b3;
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
}

.submit-button:hover {
    background: #004494;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,86,179,0.3);
}

/* Footer */
footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 30px 0;
}

footer p {
    margin-bottom: 10px;
}

/* Placeholder for images */
.image-placeholder {
    background: #ddd;
    padding: 60px 20px;
    text-align: center;
    border-radius: 10px;
    color: #666;
    margin: 20px 0;
    border: 2px dashed #aaa;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .services-grid,
    .ofertas-grid,
    .testimonios-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        justify-content: center;
        gap: 15px;
    }
    
    .form-container {
        padding: 25px;
    }
    
    .benefits-grid,
    .garantias-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-button-special {
        font-size: 1.1rem;
        padding: 15px 30px;
    }
    
    .marcas-lista {
        gap: 20px;
    }
    
    .marca-item {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .cta-button {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .benefits-grid,
    .garantias-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .oferta-destacado {
        font-size: 1.5rem;
    }
}

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

.service-card,
.oferta-card,
.testimonio-card {
    animation: fadeIn 0.6s ease-out;
}

/* SEO y accesibilidad */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* FIX: Centrar 4ª garantía en desktop */
@media (min-width: 769px) {
    .garantias-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
        max-width: 1000px;
        margin: 0 auto;
    }
    
    /* Hacer que el 4º elemento ocupe el espacio central */
    .garantia-item:nth-child(4) {
        grid-column: 2 / 3;
    }
}

/* Alternativa más elegante: usar 2x2 en tablets y 4 columnas en desktop grande */
@media (min-width: 992px) {
    .garantias-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .garantia-item:nth-child(4) {
        grid-column: auto;
    }
}

/* Para tablets mantener 2x2 */
@media (min-width: 576px) and (max-width: 991px) {
    .garantias-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}