/* ================================================================================
   CDA PREVITAX - ESTILOS PRINCIPALES 
   Centro de Diagnóstico Automotriz
   ================================================================================ */

/* Variables CSS */
:root {
    --primary-color: #dc3545;
    --secondary-color: #6c757d;
    --third-color: #ff8c42;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da; 
    --gray-500: #adb5bd; 
    --gray-700: #495057; 
    --gray-900: #212529;
    
    --accent-color: #d4af37;
    --text-primary: #ffffff;
    --text-secondary: #e9ecef;
    --text-muted: #6c757d;
    --background-dark: #343a40;
    --background-overlay: rgba(52, 58, 64, 0.8);
    --border-color: rgba(212, 175, 55, 0.4);
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.6;
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-sm: 4px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --box-shadow-sm: 0 0.0625rem 0.125rem rgba(0, 0, 0, 0.075);
}

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

html {
    scroll-padding-top: 98px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background-color: var(--background-dark);
    overflow-x: hidden;
    
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; color: white; }
h6 { font-size: 1rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Header */
.navbar {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    padding: 1.5rem 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Clase para páginas que no son index.php - navbar siempre sólido */
.navbar-solid {
    background: rgba(52, 58, 64, 0.95) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid var(--border-color) !important;
    box-shadow: var(--shadow-lg) !important;
    padding: 1rem 0 !important;
    transition: none !important; 
}

.navbar-scrolled {
    background: rgba(52, 58, 64, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 1rem 0;
    transform: translateY(0);
}

/* Animaciones de scroll */
.navbar-slide-down {
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.navbar-slide-up {
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(-100%); opacity: 0; }
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    color: var(--accent-color);
    font-size: 1.75rem;
}

.navbar-nav {
    align-items: center;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.75rem 1.25rem !important;
    margin: 0 0.25rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    text-shadow: 0 2px 4px transparent; 
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0.5rem;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transform: translateX(-50%);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    color: var(--text-primary) !important;
    background-color: rgba(255, 255, 255, 0.05);
}

.navbar-nav .nav-link:hover::after {
    width: 80%;
}

.btn-cta-header {
    background: linear-gradient(135deg, var(--accent-color), #ff8c42) !important;
    border: none !important;
    color: white !important;
    font-weight: 600;
    padding: 0.75rem 1.5rem !important;
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-cta-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
    color: white !important;
}

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

.hero-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.8) 0%, rgba(51, 51, 51, 0.6) 100%);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 300;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

/* Botones Generales */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem; 
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-family);
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    user-select: none;
    min-height: 48px; 
}

/* Boton Primario */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #ff8c42);
    border-color: var(--accent-color);
    color: white;
    box-shadow: 
        0 4px 15px rgba(220, 53, 69, 0.25),
        0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary i::before {
    color: var(--white) !important; 
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent
    );
    transition: left 0.6s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-color), #ff8c42);
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(220, 53, 69, 0.35),
        0 4px 12px rgba(0, 0, 0, 0.15);
    color: white;
    border-color: var(--accent-color);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 
        0 4px 12px rgba(220, 53, 69, 0.3),
        inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Botones Modernos */

.btn-modern-primary {
    background: linear-gradient(135deg, var(--accent-color), #ff8c42);
    border: none;
    color: white;
    font-weight: 600;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-modern-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn-modern-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(255, 107, 53, 0.4);
    color: white;
    text-decoration: none;
}

.btn-modern-primary:hover::before {
    left: 100%;
}

.btn-modern-secondary {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-modern-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
    color: var(--text-primary);
    text-decoration: none;
    transform: translateY(-2px);
}



.service-card,
.testimonial-card,
.section-title {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform, opacity;
}


.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    transform: translateY(30px);
    transition-delay: 0.1s;
}

.section-title.animate-in {
    transform: translateY(0);
}

/* Animación escalonada para tarjetas de servicios */
.service-card:nth-child(1) { transition-delay: 0.1s; }
.service-card:nth-child(2) { transition-delay: 0.2s; }
.service-card:nth-child(3) { transition-delay: 0.3s; }
.service-card:nth-child(4) { transition-delay: 0.4s; }
.service-card:nth-child(5) { transition-delay: 0.5s; }
.service-card:nth-child(6) { transition-delay: 0.6s; }

/* Animación para testimonios */
.testimonial-card {
    transform: translateY(50px);
    transition-duration: 0.9s;
}

.testimonial-card:nth-child(1) { transition-delay: 0.2s; }
.testimonial-card:nth-child(2) { transition-delay: 0.4s; }
.testimonial-card:nth-child(3) { transition-delay: 0.6s; }

/* Animación base mejorada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Soporte para elementos que prefieren reducir movimiento */
@media (prefers-reduced-motion: reduce) {
    .service-card,
    .testimonial-card,
    .section-title {
        transform: none;
        transition: opacity 0.5s ease;
    }
    
    .animate-in {
        transform: none;
    }
}

/* Section */
.section {
    padding: 6rem 0; 
    position: relative;
    overflow: hidden;
    background-color: var(--gray-100);
}

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

.section-title h2 {
    background: linear-gradient(135deg, var(--accent-color), #ff8c42);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 2.5rem;
    font-weight: 800;
    text-shadow: 0 4px 8px rgba(220, 53, 69, 0.1);
}

.section-title p {
    color: var(--dark-color); 
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.fc-toolbar-title {
    color: var(--dark-color);
}

/* Servicios */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 2rem;
}

.service-card {
    background: var(--white); 
    border-radius: var(--border-radius-lg); 
    border: 1px solid var(--gray-200); 
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.service-card.animate-in:hover {
    transform: translateY(-8px);
}

.service-icon {
    background: transparent; 
    color: var(--accent-color); 
    font-size: 3rem;
    margin: 0 auto 1.5rem;
    width: auto;
    height: auto;
}

.service-card h3 {
    color: var(--dark-color); 
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--secondary-color); 
    margin-bottom: 1.5rem;
    flex-grow: 1; 
}

.service-card .text-muted {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    flex-grow: 0;
}

.service-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color); 
    margin-bottom: 1.5rem;
}

.service-card .btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #ff8c42);
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.85rem 1.5rem;
    font-size: 1rem;
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
    margin-top: auto;
}

.service-card .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
    color: white;
}

/* Testimonios */
.testimonials {
    background: var(--dark-color);   
}

.testimonial-card {
    background: transparent; 
    border-radius: var(--border-radius-lg);
    margin-bottom: 2rem;
    box-shadow: 0px 0px 3px 1px rgba(0,0,0,0.5); 
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    width: 100%;
}

.testimonial-content {
    width: calc(100% - 6px); 
    height: calc(100% - 6px);
    background: var(--background-dark); 
    border-radius: var(--border-radius); 
    z-index: 1;
    padding: 2rem;
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}

.testimonial-card::before {
    content: "";
    position: absolute;
    width: 100px;
    height: 150%;
    background: linear-gradient(var(--primary-color), var(--accent-color));
    animation: rotation_9018 4000ms infinite linear; 
    animation-play-state: paused;
    opacity: 0;
    transition: opacity 300ms;
}

.testimonial-card:hover::before {
    opacity: 1;
    animation-play-state: running;
}

.testimonial-card::after {
    content: "";
    position: absolute;
    background: var(--background-dark);
    inset: 5px; 
    border-radius: var(--border-radius-lg);
    z-index: 0; 
}

.testimonials .section-title p {
    color: var(--text-secondary);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-secondary); 
}

.testimonial-card h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Animación para la rotación del gradiente. */
@keyframes rotation_9018 {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
}

.testimonial-info h4 {
    margin-bottom: 0.25rem;
    color: var(--dark-color);
}

.testimonial-info p {
    margin-bottom: 0;
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Section Contacto */
#contacto {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

#contacto::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23f8f9fa" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23f8f9fa" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23f8f9fa" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="%23f8f9fa" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="%23f8f9fa" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
    z-index: 0;
}

#contacto .container {
    position: relative;
    z-index: 1;
}

#contacto .section-title h2 {
    background: linear-gradient(135deg, var(--accent-color), #ff8c42);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 2.5rem;
    font-weight: 800;
    text-shadow: 0 4px 8px rgba(220, 53, 69, 0.1);
}

#contacto .section-title p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
    max-width: 500px;
    margin: 0 auto;
}

#contacto .card {
    background: var(--white);
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.1),
        0 4px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

#contacto .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-color), #ff8c42);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

#contacto .card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.15),
        0 8px 20px rgba(0, 0, 0, 0.1);
}

#contacto .card:hover::before {
    transform: scaleX(1);
}

#contacto .card-body {
    padding: 2.5rem;
}

#contacto .card-title {
    color: var(--dark-color);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

#contacto .card-title i {
    color: var(--accent-color);
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--accent-color), #ff8c42);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Información de contacto */
#contacto .card p {
    color: var(--gray-700);
    margin-bottom: 1.25rem;
    font-size: 1rem;
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

#contacto .card p i {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}

#contacto .card p strong {
    color: var(--dark-color);
    font-weight: 600;
}

#contacto .card p a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

#contacto .card p a:hover {
    color: #c82333;
    text-decoration: underline;
}

/* Formulario de contacto */
#contacto .form-group {
    margin-bottom: 1.5rem;
}

#contacto .form-label {
    color: var(--dark-color);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#contacto .form-control {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 1rem 1.25rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

#contacto .form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 
        0 0 0 0.2rem rgba(220, 53, 69, 0.15),
        0 4px 12px rgba(220, 53, 69, 0.1);
    transform: translateY(-1px);
}

#contacto .form-control::placeholder {
    color: var(--gray-500);
    font-style: italic;
}

/* Botón del formulario */
#contacto .btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #ff8c42);
    border: none;
    color: white;
    font-weight: 600;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: var(--border-radius-lg);
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 15px rgba(220, 53, 69, 0.3),
        0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    width: 100%;
    margin-top: 1rem;
}

#contacto .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent
    );
    transition: left 0.6s ease;
}

#contacto .btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-color), #ff8c42);

    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(220, 53, 69, 0.4),
        0 4px 12px rgba(0, 0, 0, 0.15);
    color: white;
}

#contacto .btn-primary:hover::before {
    left: 100%;
}

#contacto .btn-primary:active {
    transform: translateY(0);
    box-shadow: 
        0 4px 12px rgba(220, 53, 69, 0.3),
        inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

#nosotros {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

#nosotros::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23f8f9fa" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23f8f9fa" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23f8f9fa" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="%23f8f9fa" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="%23f8f9fa" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
    z-index: 0;
}

#nosotros .container {
    position: relative;
    z-index: 1;
}

/* Elementos de información de contacto */
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contact-info-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}

.contact-info-content {
    flex: 1;
}

.contact-info-content strong {
    color: var(--dark-color);
    font-weight: 600;
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.contact-info-content span,
.contact-info-content a {
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.4;
    display: block;
}

.contact-info-content a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

/* Footer */
.footer {
    border-top: 1px solid var(--gray-700);
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.footer-section p {
    color: var(--gray-400);
    margin-bottom: 0.5rem;
}

.footer-section > a {
    color: var(--gray-400);
    margin-bottom: 0.5rem;
    display: block;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section p a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
    display: inline; 
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 1rem;
    text-align: center;
    color: var(--gray-500);
}

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

.footer-section .social-links a {
    color: var(--gray-400);
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.footer-section .social-links a:hover {
    transform: translateY(-2px);
}

.footer-section p i.fas {
    margin-right: 0.5rem;
    color: var(--grey-400);
    width: 20px; 
    text-align: center;
}

/* WhatsApp Button */
.whatsapp-button {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: var(--box-shadow-lg);
    transition: var(--transition);
    z-index: 9999;
    text-decoration: none;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    color: var(--white);
    background: #1ebe5d;
}

/* Alertas */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert .btn-close {
    filter: invert(1) grayscale(100%);
    opacity: 0.6;
}

.alert .btn-close:hover {
    opacity: 0.9;
}

.alert-success {
    border-left: 4px solid var(--success-color);
    background: rgba(40, 167, 69, 0.8); /* 80% opacidad */
    color: var(--text-primary);
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-warning {
    border-left: 4px solid #FFD166;
    background: rgba(255, 209, 102, 0.14);
    color: var(--text-primary);
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.alert a {
    color: var(--dark-color);
    text-decoration: none;
}

/* Formularios */
.form-group {
    margin-bottom: 2rem;
}

.form-label {
    display: block;
    margin-bottom: 0.75rem; 
    font-weight: 600; 
    color: var(--dark-color);
    font-size: 0.95rem;
    transition: var(--transition);
    text-transform: none;
    letter-spacing: 0.02rem;
}

.form-control {
    display: block;
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--gray-700);
    background-color: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Utilidades */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

/* Responsive */
@media (max-width: 991.98px) {
    .navbar {
        background: rgba(52, 58, 64, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 1rem 0;
    }
}
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-content {
        padding-top: 100px;
    .hero-subtitle {
        font-size: 1.1rem;
    }
    }
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }

    #contacto .card-body {
        padding: 2rem;
    }
    
    #contacto .section-title h2 {
        font-size: 2rem;
    }
    
    #contacto .card-title {
        font-size: 1.2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }  
    
    .footer-section .social-links {
        justify-content: center;
    }

    .whatsapp-button {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .service-card:nth-child(n) { 
        transition-delay: 0.1s; 
    }
}


@media (max-width: 576px) {
    .section {
        padding: 2rem 0;
    }
    
    .hero-section {
        min-height: 60vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .testimonial-card:nth-child(n) { 
        transition-delay: 0.1s; 
    }
    
    .testimonial-card {
        margin-bottom: 1.5rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .testimonial-card h4 {
        font-size: 1.2rem;
    }
    
    .testimonial-text {
        font-size: 0.9rem;
    }
    
    .testimonial-avatar {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
    
    .testimonial-info h4 {
        font-size: 1rem;
    }
    
    .testimonial-info p {
        font-size: 0.8rem;
    }
    #contacto .card-body {
        padding: 1.5rem;
    }
    
    #contacto .section-title h2 {
        font-size: 1.8rem;
    }
    
    #contacto .btn-primary {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}