/* Variables CSS para temas */
:root {
    /* Tema claro */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #000000;
    --text-secondary: #333333;
    --text-muted: #666666;
    --border-color: #e0e0e0;
    --accent-color: #000000;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-heavy: rgba(0, 0, 0, 0.2);
    --overlay-color: rgba(255, 255, 255, 0.95);
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: #e0e0e0;
    --btn-primary-bg: #000000;
    --btn-primary-text: #ffffff;
    --btn-secondary-bg: transparent;
    --btn-secondary-text: #000000;
    --btn-secondary-border: #000000;
}

/* Tema oscuro */
[data-theme="dark"] {
    --bg-primary: #000000;
    --bg-secondary: #111111;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    --border-color: #333333;
    --accent-color: #ffffff;
    --shadow-light: rgba(255, 255, 255, 0.1);
    --shadow-medium: rgba(255, 255, 255, 0.15);
    --shadow-heavy: rgba(255, 255, 255, 0.2);
    --overlay-color: rgba(0, 0, 0, 0.95);
    --card-bg: #111111;
    --input-bg: #111111;
    --input-border: #333333;
    --btn-primary-bg: #ffffff;
    --btn-primary-text: #000000;
    --btn-secondary-bg: transparent;
    --btn-secondary-text: #ffffff;
    --btn-secondary-border: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    touch-action: manipulation;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.2;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999; /* Aumentar z-index para asegurar que esté siempre por encima */
    background: var(--overlay-color);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 900;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

/* Botón de tema */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--shadow-light);
}

.theme-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
    position: relative;
}

.theme-icon::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    transition: all 0.3s ease;
}

/* Botón hamburguesa */
.hamburger-menu {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
    padding: 8px;
    z-index: 1000;
}

.hamburger-menu span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
    z-index: 2;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

#heroCanvas {
    width: 100%;
    height: 100%;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding-top: 80px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.5s;
}

.title-line {
    display: block;
    margin-bottom: 0.5rem;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.8s;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 1.1s;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--shadow-medium);
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-outline:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: fadeIn 1s ease forwards 1.5s;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-primary);
    border-bottom: 2px solid var(--text-primary);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

/* Secciones */
section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.section-header {
    text-align: center;
    margin-bottom: 2.5rem; /* Reducir margen inferior del header */
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    opacity: 0;
    transform: translateY(30px);
}

/* Servicios */
.services {
    background-color: var(--bg-secondary);
    position: relative;
    padding: 100px 0;
    margin-top: 0;
    z-index: 1;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem; /* Reducir espacio entre tarjetas */
    align-items: stretch;
}

.service-card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px var(--shadow-light);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    z-index: 1;
    transform: translateY(0); /* Resetear cualquier transformación */
}

.service-card:hover {
    transform: translateY(-10px) !important; /* Forzar el hover */
    box-shadow: 0 20px 40px var(--shadow-medium);
    z-index: 2;
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    flex-shrink: 0;
}

.service-icon svg {
    width: 35px;
    height: 35px;
    color: var(--text-primary);
}

.service-title {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
    flex-grow: 1;
}

.service-features {
    list-style: none;
    margin-top: auto;
}

.service-features li {
    padding: 0.7rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 2rem;
    font-weight: 500;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.1rem;
}



/* Contacto */
.contact {
    background-color: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
}

.contact-item svg {
    width: 20px;
    height: 20px;
    color: var(--accent-color);
}

/* Estilos para el enlace de WhatsApp */
.whatsapp-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.whatsapp-link svg {
    color: #25D366; /* Color verde de WhatsApp por defecto */
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.whatsapp-link:hover {
    color: #25D366; /* Color verde de WhatsApp */
    transform: translateY(-2px);
}

.whatsapp-link:hover svg {
    color: #25D366;
}

/* Formulario */
.contact-form {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px var(--shadow-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    background-color: var(--input-bg);
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

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

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    color: var(--text-secondary);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

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

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-primary);
    z-index: 1;
}

.modal-body {
    padding: 2rem;
}

/* Casos de estudio */
.case-study {
    color: var(--text-primary);
}

.case-study-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.case-study-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.case-study-client {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 500;
}

.case-study-image {
    margin-bottom: 2rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow-light);
}

.case-study-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.case-study-services {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 8px;
}

.case-study-services h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.case-study-services ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.case-study-services li {
    background-color: var(--accent-color);
    color: var(--bg-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.case-study-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.case-study-section {
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.case-study-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.case-study-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.case-study-section ol,
.case-study-section ul {
    color: var(--text-secondary);
    padding-left: 1.5rem;
}

.case-study-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.case-study-section ol li {
    padding-left: 0.5rem;
}

/* Mensaje de éxito */
.success-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 4px 20px var(--shadow-medium);
    display: none;
    align-items: center;
    gap: 1rem;
    z-index: 2000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.success-message.show {
    display: flex;
    transform: translateX(0);
}

.success-message svg {
    width: 24px;
    height: 24px;
    color: #10b981;
}

/* Animaciones */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) rotate(45deg);
    }
    40% {
        transform: translateY(-10px) rotate(45deg);
    }
    60% {
        transform: translateY(-5px) rotate(45deg);
    }
}

/* AOS (Animate On Scroll) */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: clamp(2.5rem, 4vw, 3.5rem);
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--bg-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    
    .nav.active {
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .nav-link {
        font-size: 1.5rem;
        padding: 1rem 2rem;
    }
    
    .hamburger-menu {
        display: flex;
    }
    

    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    

    
    /* Modal responsive */

    
    .case-study-services ul {
        flex-direction: column;
    }
    
    .case-study-services li {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content {
        padding-top: 60px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 1.5rem;
    }
    
    .service-icon svg {
        width: 30px;
        height: 30px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .whatsapp-link {
        justify-content: center;
    }
    
    .success-message {
        left: 15px;
        right: 15px;
        max-width: none;
    }
}

/* Orientación landscape en móviles */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: 80px 0;
    }
    
    .hero-content {
        padding-top: 0;
    }
}

/* Preferencias de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Mejoras de accesibilidad */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --shadow-light: rgba(0, 0, 0, 0.3);
        --shadow-medium: rgba(0, 0, 0, 0.5);
        --shadow-heavy: rgba(0, 0, 0, 0.7);
    }
    
    [data-theme="dark"] {
        --border-color: #ffffff;
        --shadow-light: rgba(255, 255, 255, 0.3);
        --shadow-medium: rgba(255, 255, 255, 0.5);
        --shadow-heavy: rgba(255, 255, 255, 0.7);
    }
}

/* Focus visible para navegación por teclado */
.btn:focus-visible,
.nav-link:focus-visible,
.theme-toggle:focus-visible,
.social-link:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Estados de carga */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}