/* ============================
   Variables CSS y Reset
   ============================ */
:root {
    /* Colores principales */
    --primary-color: #FFD700;        /* Amarillo principal */
    --primary-dark: #FFC107;         /* Amarillo más oscuro */
    --primary-light: #FFF9C4;        /* Amarillo claro */
    
    /* Colores complementarios */
    --secondary-color: #2D1B69;      /* Violeta muy oscuro principal */
    --secondary-light: #3F2A7A;      /* Violeta oscuro medio */
    --accent-color: #E74C3C;         /* Rojo para acentos */
    --success-color: #27AE60;        /* Verde para éxito */
    --violet-dark: #1A0E3E;          /* Violeta aún más oscuro */
    --violet-medium: #4A3B7C;        /* Violeta medio */
    
    /* Colores neutros */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --gray: #6C757D;
    --dark-gray: #495057;
    --black: #1A1A1A;
    
    /* Tipografía */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Oswald', sans-serif;
    
    /* Tamaños de fuente */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-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;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--secondary-color);
    background-color: var(--white);
}

/* Contenedores */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================
   Header y Navegación
   ============================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar {
    padding: var(--spacing-md) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.nav-logo {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--secondary-color);
    text-decoration: none;
}

.nav-logo i {
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
    font-size: var(--fs-2xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(255, 215, 0, 0.1);
}

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

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

/* Menú móvil */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 3px 0;
    transition: var(--transition-base);
    border-radius: var(--radius-sm);
}

/* ============================
   Sección Hero
   ============================ */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--spacing-3xl);
    padding: var(--spacing-3xl) var(--spacing-md);
    margin-top: 80px;
    background: linear-gradient(135deg, var(--light-gray) 0%, rgba(255, 215, 0, 0.05) 50%, rgba(45, 27, 105, 0.03) 100%);
}

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

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--fs-5xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-lg);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-sm);
}

.hero-subtitle {
    font-size: var(--fs-lg);
    color: var(--gray);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.hero-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.hero-image:hover img {
    transform: scale(1.05);
}

/* ============================
   Botones
   ============================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--fs-base);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-base);
    min-width: 150px;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

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

.btn-secondary {
    background: transparent;
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--violet-dark));
    color: var(--white);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

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

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

.section-title {
    font-family: var(--font-heading);
    font-size: var(--fs-4xl);
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-sm);
}

.section-subtitle {
    font-size: var(--fs-lg);
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================
   Sección de Servicios
   ============================ */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.service-icon i {
    color: var(--secondary-color);
    font-size: var(--fs-xl);
}

.service-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-content {
    padding: var(--spacing-xl);
}

.service-content h3 {
    font-family: var(--font-heading);
    font-size: var(--fs-2xl);
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.service-content p {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-gray);
}

.service-features i {
    color: var(--success-color);
    margin-right: var(--spacing-sm);
    font-size: var(--fs-sm);
}

.service-price {
    font-family: var(--font-heading);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 215, 0, 0.1);
    border-radius: var(--radius-lg);
}

/* ============================
   Sección Nosotros
   ============================ */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text .section-title {
    text-align: left;
}

.about-text .section-title::after {
    left: 0;
    transform: none;
}

.about-description {
    font-size: var(--fs-lg);
    color: var(--gray);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    color: var(--secondary-color);
    font-size: var(--fs-xl);
}

.feature-content h4 {
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    color: var(--gray);
    line-height: 1.6;
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.about-image:hover img {
    transform: scale(1.05);
}

/* ============================
   Estadísticas
   ============================ */
.stats {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--violet-dark) 100%);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-xl);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--fs-5xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--fs-lg);
    color: var(--light-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================
   Sección de Contacto
   ============================ */
.contact {
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--secondary-color);
    font-size: var(--fs-xl);
}

.contact-details h4 {
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--gray);
    line-height: 1.6;
}

/* ============================
   Formulario
   ============================ */
.contact-form {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid #E9ECEF;
    border-radius: var(--radius-md);
    font-size: var(--fs-base);
    transition: var(--transition-base);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

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

/* ============================
   Footer
   ============================ */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: var(--fs-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.footer-logo i {
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
    font-size: var(--fs-2xl);
}

.footer-description {
    color: var(--light-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-base);
}

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

.footer-section h4 {
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--light-gray);
    text-decoration: none;
    transition: var(--transition-base);
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    color: var(--light-gray);
}

.footer-contact i {
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid var(--secondary-light);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: var(--light-gray);
}

/* ============================
   Responsive Design
   ============================ */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .hero-content {
        padding-right: 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
}

@media (max-width: 768px) {
    /* Navegación móvil */
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-2xl);
        transition: var(--transition-base);
        opacity: 0;
        visibility: hidden;
    }
    
    .nav-menu.active {
        top: 80px;
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Ajustes de texto */
    .hero-title {
        font-size: var(--fs-4xl);
    }
    
    .section-title {
        font-size: var(--fs-3xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .hero-title {
        font-size: var(--fs-3xl);
    }
    
    .section-title {
        font-size: var(--fs-2xl);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

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

/* Scroll animations */
.scroll-animation {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.scroll-animation.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Estados de éxito y error */
.success {
    color: var(--success-color);
}

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

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

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

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

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* Print styles */
@media print {
    .header,
    .nav-toggle,
    .hero-buttons,
    .contact-form,
    .social-links {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}