/* ============================================
   VARIABLES CSS - PERSONALIZACIÓN
   ============================================ */
:root {
    /* Colores principales */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    
    /* Colores secundarios */
    --color-secondary: #0f172a;
    --color-secondary-light: #1e293b;
    
    /* Colores neutros */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Colores de estado */
    --color-success: #22c55e;
    --color-success-dark: #16a34a;
    --color-error: #ef4444;
    
    /* WhatsApp */
    --color-whatsapp: #25d366;
    --color-whatsapp-dark: #128c7e;
    
    /* Tipografía */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Bordes */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transiciones */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: var(--spacing-lg);
}

/* ============================================
   RESET Y BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-secondary);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

@media (min-width: 768px) {
    h1 {
        font-size: var(--font-size-5xl);
    }
    
    h2 {
        font-size: var(--font-size-4xl);
    }
    
    h3 {
        font-size: var(--font-size-2xl);
    }
}

p {
    margin-bottom: var(--spacing-md);
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

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

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.btn-whatsapp-large {
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-whatsapp-large:hover {
    background-color: var(--color-whatsapp-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-full {
    width: 100%;
}

@media (max-width: 767px) {
    .btn {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}

/* ============================================
   HERO
   ============================================ */
.hero {
    padding-top: 100px;
    padding-bottom: var(--spacing-3xl);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    overflow: hidden;
}

.hero-content {
    padding-top: var(--spacing-2xl);
}

.hero .container {
    display: grid;
    gap: var(--spacing-2xl);
}

.hero-title {
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.trust-indicators {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.trust-item svg {
    color: var(--color-success);
    flex-shrink: 0;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

@media (min-width: 768px) {
    .hero {
        padding-top: 140px;
        padding-bottom: var(--spacing-4xl);
    }
    
    .hero .container {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
}

/* ============================================
   SECCIONES COMUNES
   ============================================ */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    color: var(--color-gray-600);
    font-size: var(--font-size-lg);
}

/* ============================================
   SERVICIOS
   ============================================ */
.services {
    background-color: var(--color-gray-50);
}

.services-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    background-color: var(--color-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* ============================================
   POR QUÉ ELEGIRNOS
   ============================================ */
.why-us-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
    margin-bottom: var(--spacing-3xl);
}

@media (min-width: 640px) {
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .why-us-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.why-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.why-icon {
    width: 64px;
    height: 64px;
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-primary);
}

.why-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.why-card p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

.stats {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: var(--color-primary);
    border-radius: var(--border-radius-xl);
    color: var(--color-white);
}

@media (min-width: 640px) {
    .stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

/* ============================================
   GALERÍA
   ============================================ */
.gallery {
    background-color: var(--color-gray-50);
}

.gallery-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    aspect-ratio: 4/3;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h3 {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.gallery-overlay p {
    color: var(--color-gray-200);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* ============================================
   TESTIMONIOS
   ============================================ */
.testimonials-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background-color: var(--color-gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.testimonial-rating {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    color: #fbbf24;
}

.testimonial-text {
    color: var(--color-gray-700);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.author-name {
    font-weight: 600;
    color: var(--color-secondary);
}

.author-role {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ============================================
   CONTACTO
   ============================================ */
.contact {
    background-color: var(--color-gray-50);
}

.contact-content {
    display: grid;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    color: var(--color-gray-600);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-gray-600);
}

.contact-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-item a {
    color: var(--color-gray-600);
}

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

.contact-form {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-700);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.map-container {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ============================================
   FOOTER (MediaFooter)
   ============================================ */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: 1rem 0;
    text-align: center;
}

.footer-section {
    margin-bottom: 0.75rem;
}

.footer-title {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.social {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s;
}

.social-link:hover svg {
    transform: scale(1.1);
}

.fancy {
    display: inline-block;
    text-decoration: none;
    color: var(--color-gray-500);
    font-size: 0.8rem;
    margin: 0.5rem 0;
    transition: color 0.3s;
    position: relative;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
    border: 1px solid var(--color-gray-700);
    animation: fancyGlow 3s ease-in-out infinite;
}

@keyframes fancyGlow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(37, 99, 235, 0.3), 0 0 10px rgba(37, 99, 235, 0.2);
        border-color: var(--color-gray-700);
    }
    50% {
        box-shadow: 0 0 15px rgba(37, 99, 235, 0.5), 0 0 25px rgba(37, 99, 235, 0.3);
        border-color: var(--color-primary);
    }
}

.fancy .text {
    position: relative;
    z-index: 2;
    background: linear-gradient(90deg, var(--color-gray-500), var(--color-primary), var(--color-gray-500));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textShine 3s linear infinite;
}

@keyframes textShine {
    to {
        background-position: 200% center;
    }
}

.fancy:hover {
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.6), 0 0 30px rgba(37, 99, 235, 0.4);
    border-color: var(--color-primary-light);
}

.fancy:hover .text {
    background: linear-gradient(90deg, var(--color-white), var(--color-primary-light), var(--color-white));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textShine 1.5s linear infinite;
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 56px;
    height: 56px;
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    background-color: var(--color-whatsapp-dark);
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

@media (max-width: 767px) {
    .whatsapp-float {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
        width: 48px;
        height: 48px;
    }
}

/* ============================================
   ANIMACIONES FADE-UP
   ============================================ */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for grid items */
.services-grid .fade-up:nth-child(1) { transition-delay: 0.1s; }
.services-grid .fade-up:nth-child(2) { transition-delay: 0.2s; }
.services-grid .fade-up:nth-child(3) { transition-delay: 0.3s; }
.services-grid .fade-up:nth-child(4) { transition-delay: 0.4s; }
.services-grid .fade-up:nth-child(5) { transition-delay: 0.5s; }
.services-grid .fade-up:nth-child(6) { transition-delay: 0.6s; }

.why-us-grid .fade-up:nth-child(1) { transition-delay: 0.1s; }
.why-us-grid .fade-up:nth-child(2) { transition-delay: 0.2s; }
.why-us-grid .fade-up:nth-child(3) { transition-delay: 0.3s; }
.why-us-grid .fade-up:nth-child(4) { transition-delay: 0.4s; }

.gallery-grid .fade-up:nth-child(1) { transition-delay: 0.1s; }
.gallery-grid .fade-up:nth-child(2) { transition-delay: 0.2s; }
.gallery-grid .fade-up:nth-child(3) { transition-delay: 0.3s; }
.gallery-grid .fade-up:nth-child(4) { transition-delay: 0.4s; }
.gallery-grid .fade-up:nth-child(5) { transition-delay: 0.5s; }
.gallery-grid .fade-up:nth-child(6) { transition-delay: 0.6s; }

.testimonials-grid .fade-up:nth-child(1) { transition-delay: 0.1s; }
.testimonials-grid .fade-up:nth-child(2) { transition-delay: 0.2s; }
.testimonials-grid .fade-up:nth-child(3) { transition-delay: 0.3s; }

/* ============================================
   ACCESIBILIDAD
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .fade-up {
        opacity: 1;
        transform: none;
    }
}

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

/* ============================================
   PRINT
   ============================================ */
@media print {
    .navbar,
    .whatsapp-float,
    .hero-buttons,
    .contact-form,
    .map-container {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
}