/* ===== GRADIENTES Y SOMBRAS ===== */
:root {
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.06), 0 1px 1px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.15), 0 4px 6px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.2), 0 10px 10px rgba(0,0,0,0.12);
}

/* Dark mode variables (defaults are light; overridden in prefers-color-scheme or .dark) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --bg-dark: #020617;
        --bg-card: #1e293b;
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-light: #94a3b8;
        --text-white: #ffffff;
        --primary-color: #60a5fa;
        --primary-dark: #3b82f6;
        --accent-color: #fbbf24;
        --accent-light: #fcd34d;
        --whatsapp-color: #25D366;
        --whatsapp-dark: #1ebe57;
        --shadow-sm: 0 1px 2px rgba(0,0,0,0.3), 0 1px 1px rgba(0,0,0,0.2);
        --shadow-md: 0 4px 6px rgba(0,0,0,0.3), 0 2px 4px rgba(0,0,0,0.2);
        --shadow-lg: 0 10px 15px rgba(0,0,0,0.4), 0 4px 6px rgba(0,0,0,0.3);
        --shadow-xl: 0 20px 25px rgba(0,0,0,0.5), 0 10px 10px rgba(0,0,0,0.4);
    }
}

/* Class-based dark mode override (for explicit toggle) */
.dark {
    --bg-primary: #0f172a !important;
    --bg-secondary: #1e293b !important;
    --bg-dark: #020617 !important;
    --bg-card: #1e293b !important;
    --text-primary: #f1f5f9 !important;
    --text-secondary: #cbd5e1 !important;
    --text-light: #94a3b8 !important;
    --text-white: #ffffff !important;
    --primary-color: #60a5fa !important;
    --primary-dark: #3b82f6 !important;
    --accent-color: #fbbf24 !important;
    --accent-light: #fcd34d !important;
    --whatsapp-color: #25D366 !important;
    --whatsapp-dark: #1ebe57 !important;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3), 0 1px 1px rgba(0,0,0,0.2) !important;
    --shadow-md: 0 4px 6px rgba(0,0,0,0.3), 0 2px 4px rgba(0,0,0,0.2) !important;
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.4), 0 4px 6px rgba(0,0,0,0.3) !important;
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.5), 0 10px 10px rgba(0,0,0,0.4) !important;
}

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

/* Optimización de rendering */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Mejora de scroll en iOS */
* {
    -webkit-overflow-scrolling: touch;
}

/* Animación slide-in-right */
.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* ===== UTILIDADES ===== */
/* Mobile First: por defecto, 100vw y padding reducido */
.container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 8px;
    box-sizing: border-box;
}
@media (min-width: 1025px) {
    .container {
        max-width: 1200px;
        width: 100%;
        padding: 0 var(--spacing-md);
    }
}

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

/* Mejoras de foco para navegación por teclado */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus,
.nav-link:focus,
input:focus,
textarea:focus,
select:focus,
.theme-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Mejorar foco visible en elementos interactivos */
.nav-link:focus-visible,
.theme-toggle:focus-visible,
.nav-toggle:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

/* Reducir movimiento para usuarios que prefieren menos animaciones */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .nav-link:hover {
        transform: none;
    }

    .nav-toggle.active .bar:nth-child(1),
    .nav-toggle.active .bar:nth-child(3) {
        transform: none;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 1;
    }
}

/* Mejor contraste para texto */
.text-high-contrast {
    color: var(--text-primary) !important;
}

/* Estados para elementos interactivos */
[role="button"]:hover,
[role="button"]:focus {
    cursor: pointer;
    background-color: rgba(37, 99, 235, 0.1);
}

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: var(--radius-sm);
}

/* ===== BOTONES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::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: left var(--transition-slow);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

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

.btn-whatsapp {
    background: var(--whatsapp-color);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

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

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===== WHATSAPP FLOTANTE ===== */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background: var(--whatsapp-color);
    color: var(--text-white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    transition: all var(--transition-normal);
    animation: pulse 2s infinite;
}

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

.whatsapp-float i {
    font-size: var(--font-size-xl);
}

.whatsapp-text {
    position: absolute;
    right: 70px;
    background: var(--whatsapp-color);
    color: var(--text-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-normal);
    pointer-events: none;
}

.whatsapp-float:hover .whatsapp-text {
    opacity: 1;
    transform: translateX(0);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 999;
    transition: all var(--transition-normal);
}

/* Asegurar que el header tenga prioridad en todos los dispositivos */
.header * {
    position: relative;
    z-index: inherit;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

/* Dark mode header styles */
.dark .header {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dark .header.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: var(--shadow-md);
}

/* Dark mode body and global styles */
.dark body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Dark mode sections */
.dark .services {
    background: var(--bg-secondary);
}

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

.dark .testimonials {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.dark .contact {
    background: var(--bg-secondary);
}

/* Dark mode cards */
.dark .service-card,
.dark .project-card,
.dark .testimonial-card,
.dark .contact-form {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Dark mode form elements */
.dark .form-group input,
.dark .form-group select,
.dark .form-group textarea {
    background: var(--bg-primary);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.dark .form-group input:focus,
.dark .form-group select:focus,
.dark .form-group textarea:focus {
    border-color: var(--primary-color);
}

/* Dark mode footer */
.dark .footer {
    background: linear-gradient(135deg, #020617 0%, #0f172a 100%);
}

/* Dark mode footer styles */
.dark .footer-contact .contact-item:hover {
    color: var(--primary-color);
}

.dark .footer-contact .contact-item:hover i {
    color: var(--primary-color);
}

.dark .footer-services li:hover {
    color: var(--primary-color);
}

.dark .footer-technologies .tech-tag:hover {
    background: rgba(96, 165, 250, 0.2);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.dark .footer-bottom-links a:hover {
    color: var(--primary-color);
}

/* Dark mode hero section */
.dark .hero {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

/* Dark mode navigation links */
.dark .nav-link {
    color: var(--text-primary);
}

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

/* Dark mode brand text */
.dark .nav-brand .brand-text {
    color: var(--primary-color);
}

/* Reglas específicas para asegurar funcionalidad del menú de escritorio */
@media (min-width: 769px) {
    /* Reset completo para menú de escritorio */
    .nav-menu {
        display: flex !important;
        position: static !important;
        top: auto !important;
        left: auto !important;
        width: auto !important;
        height: auto !important;
        background: transparent !important;
        backdrop-filter: none !important;
        border: none !important;
        flex-direction: row !important;
        justify-content: flex-start !important;
        align-items: center !important;
        padding: 0 !important;
        margin: 0 !important;
        box-shadow: none !important;
        z-index: auto !important;
        overflow: visible !important;
        transform: none !important;
        transition: none !important;
    }

    .nav-menu.active {
        display: flex !important;
        position: static !important;
    }

    /* Reset completo para enlaces de menú de escritorio */
    .nav-menu .nav-link {
        display: inline-block !important;
        position: relative !important;
        background: transparent !important;
        border: none !important;
        padding: var(--spacing-sm) var(--spacing-md) !important;
        margin: 0 !important;
        font-size: var(--font-size-base) !important;
        font-weight: 500 !important;
        color: var(--text-primary) !important;
        text-decoration: none !important;
        cursor: pointer !important;
        transition: all var(--transition-fast) !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        width: auto !important;
        height: auto !important;
        max-width: none !important;
        border-radius: var(--radius-md) !important;
        overflow: visible !important;
    }

    .nav-menu .nav-link:hover {
        color: var(--primary-color) !important;
        background: rgba(37, 99, 235, 0.05) !important;
        transform: translateY(-1px) !important;
    }

    .nav-menu .nav-link::before {
        display: none !important;
    }

    /* Ocultar completamente el botón hamburguesa en escritorio */
    .nav-toggle {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
}

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

/* Efecto de brillo sutil en el menú - Solo para escritorio */
@media (min-width: 769px) {
    .nav::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(90deg, transparent 0%, rgba(37, 99, 235, 0.02) 50%, transparent 100%);
        opacity: 0;
        transition: opacity var(--transition-normal);
        pointer-events: none;
    }

    .nav:hover::before {
        opacity: 1;
    }
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* Mejorar interacción del botón de tema en móvil */
@media (max-width: 768px) {
    .theme-toggle {
        margin-left: var(--spacing-sm);
        width: 36px;
        height: 36px;
    }

    .theme-toggle #theme-icon {
        font-size: var(--font-size-base);
    }
}

.nav-brand .brand-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
}

.nav-brand .brand-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-card);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-left: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--primary-color);
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle #theme-icon {
    font-size: var(--font-size-lg);
    transition: all var(--transition-normal);
    z-index: 2;
    position: relative;
}

.theme-toggle:hover #theme-icon {
    color: var(--text-white);
}

/* Dark mode specific styles for theme toggle */
.dark .theme-toggle {
    background: var(--bg-card);
    border-color: var(--accent-color);
}

.dark .theme-toggle:hover {
    background: var(--accent-color);
}

.dark .theme-toggle #theme-icon {
    color: var(--accent-color);
}

.dark .theme-toggle:hover #theme-icon {
    color: var(--text-white);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

/* Mejorar espaciado en escritorio */
@media (min-width: 1025px) {
    .nav-menu {
        gap: var(--spacing-2xl);
        display: flex !important;
    }

    .nav-link {
        position: relative;
        white-space: nowrap;
    }

    /* Ocultar botón hamburguesa en escritorio */
    .nav-toggle {
        display: none !important;
    }
}

/* Reglas específicas para escritorio (769px y más) */
@media (min-width: 769px) {
    .nav-menu {
        display: flex !important;
        position: static !important;
        top: auto !important;
        left: auto !important;
        width: auto !important;
        height: auto !important;
        background: transparent !important;
        backdrop-filter: none !important;
        border-top: none !important;
        flex-direction: row !important;
        justify-content: flex-start !important;
        align-items: center !important;
        padding: 0 !important;
        transition: none !important;
        box-shadow: none !important;
        z-index: auto !important;
        overflow-y: visible !important;
    }

    .nav-menu .nav-link {
        font-size: var(--font-size-base) !important;
        font-weight: 500 !important;
        padding: var(--spacing-sm) var(--spacing-md) !important;
        width: auto !important;
        max-width: none !important;
        text-align: left !important;
        border-radius: var(--radius-md) !important;
        margin-bottom: 0 !important;
        border: none !important;
        background: transparent !important;
        position: relative !important;
        overflow: visible !important;
    }

    .nav-menu .nav-link::before {
        display: none !important;
    }

    .nav-menu .nav-link:hover {
        color: var(--primary-color) !important;
        border-color: transparent !important;
        box-shadow: none !important;
        transform: translateY(-1px) !important;
    }

    .nav-menu .nav-link:active {
        transform: translateY(0) !important;
    }
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    display: inline-block;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: rgba(37, 99, 235, 0.1);
}

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

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(37, 99, 235, 0.05);
    border-radius: var(--radius-md);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: -1;
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-1px);
}

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

.nav-link:hover::before {
    opacity: 1;
}

.nav-link:active {
    transform: translateY(0);
    transition: transform var(--transition-fast);
}

/* Mejorar accesibilidad con focus visible */
.nav-link:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    color: var(--primary-color);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    background: rgba(37, 99, 235, 0.05);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

/* Asegurar que el botón hamburguesa esté oculto en escritorio */
@media (min-width: 769px) {
    .nav-toggle {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
    }
}

.nav-toggle:hover {
    background: rgba(37, 99, 235, 0.1);
}

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

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    transform-origin: center;
    /* Optimizar rendimiento de animaciones */
    will-change: transform, opacity;
}

/* Animaciones del botón hamburguesa - mejoradas */
.nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hover mejorado para botón hamburguesa */
.nav-toggle:hover .bar {
    background: var(--primary-color);
}

/* Reset will-change después de animación */
.nav-toggle:not(.active) .bar {
    will-change: auto;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-pattern {
    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="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.hero-name {
    display: block;
    color: var(--text-white);
}

.hero-alias {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 400;
    opacity: 0.9;
}

.highlight {
    color: var(--accent-color);
    font-weight: 600;
}

.hero-description {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

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

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--accent-color);
    display: block;
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 500px;
}

.hero-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Formas de fondo integradas */
.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    right: 10%;
    animation: floatShape 8s ease-in-out infinite;
}

.shape-2 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 5%;
    animation: floatShape 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 100px;
    height: 100px;
    top: 50%;
    left: -5%;
    animation: floatShape 12s ease-in-out infinite;
}

/* Contenedor principal de la imagen */
/* Mobile First: ancho flexible */
.hero-image-wrapper {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 320px;
    height: auto;
    
    /* Efecto de integración con el fondo */
    /* ...existing code... */
}

@media (min-width: 769px) {
    .hero-image-wrapper {
        width: 320px;
        height: 420px;
        max-width: 100%;
    }
}

/* Fondo difuminado integrado detrás de la imagen */
.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    right: -50px;
    bottom: -50px;
    background: 
        radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.2) 0%, transparent 60%),
        radial-gradient(circle at 20% 20%, rgba(118, 75, 162, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 40%);
    border-radius: 50%;
    z-index: -2;
    filter: blur(40px);
    opacity: 0.7;
    animation: backgroundIntegration 6s ease-in-out infinite;
}

.hero-image {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50% 20% 50% 20%;
    overflow: hidden;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: perspective(1000px) rotateY(-8deg) rotateX(3deg);
    transition: all var(--transition-slow);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(102, 126, 234, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(118, 75, 162, 0.2) 0%, transparent 50%),
        linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
    box-shadow: 
        0 35px 70px -12px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.hero-image:hover::after {
    opacity: 0.8;
    filter: blur(25px);
    animation: heatGlowIntense 2s ease-in-out infinite alternate;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    filter: 
        contrast(1.1) 
        saturate(1.1) 
        hue-rotate(10deg) 
        brightness(1.05);
    transition: filter var(--transition-normal);
    mix-blend-mode: normal;
}

.hero-image:hover .profile-image {
    filter: 
        contrast(1.2) 
        saturate(1.3) 
        hue-rotate(15deg) 
        brightness(1.1);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 50%, rgba(245, 158, 11, 0.1) 100%),
        radial-gradient(circle at 50% 0%, rgba(102, 126, 234, 0.3) 0%, transparent 60%),
        radial-gradient(circle at 0% 100%, rgba(118, 75, 162, 0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 2;
    mix-blend-mode: overlay;
}

.hero-image:hover .image-overlay {
    opacity: 1;
}

/* Marco decorativo */
.image-frame {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid transparent;
    border-radius: 50% 20% 50% 20%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1)) border-box;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.hero-image:hover .image-frame {
    opacity: 1;
}

/* Elementos flotantes mejorados */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 3;
}

.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: floatIcon 6s ease-in-out infinite;
    transition: all var(--transition-normal);
}

.floating-icon:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.2);
}

.floating-icon i {
    font-size: var(--font-size-xl);
    color: var(--text-white);
    position: relative;
    z-index: 2;
}

.icon-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
    opacity: 0;
    animation: pulseGlow 3s ease-in-out infinite;
}

.icon-1 {
    top: 5%;
    right: -15%;
    animation-delay: 0s;
}

.icon-2 {
    top: 25%;
    left: -20%;
    animation-delay: 1.5s;
}

.icon-3 {
    bottom: 15%;
    right: -10%;
    animation-delay: 3s;
}

.icon-4 {
    bottom: 5%;
    left: -15%;
    animation-delay: 4.5s;
}

/* Líneas de conexión */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.line {
    position: absolute;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.3) 0%, transparent 100%);
    height: 1px;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.hero-image:hover ~ .connection-lines .line {
    opacity: 1;
}

.line-1 {
    top: 20%;
    left: 50%;
    width: 80px;
    transform: rotate(15deg);
    animation: drawLine 2s ease-out 0.5s forwards;
}

.line-2 {
    top: 60%;
    right: 50%;
    width: 60px;
    transform: rotate(-20deg);
    animation: drawLine 2s ease-out 1s forwards;
}

.line-3 {
    bottom: 30%;
    left: 45%;
    width: 70px;
    transform: rotate(10deg);
    animation: drawLine 2s ease-out 1.5s forwards;
}

/* Animaciones mejoradas */
@keyframes floatShape {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
    }
    50% { 
        transform: translateY(-30px) rotate(180deg); 
    }
}

@keyframes pulseGlow {
    0%, 100% { 
        opacity: 0; 
        transform: scale(1);
    }
    50% { 
        opacity: 1; 
        transform: scale(1.2);
    }
}

@keyframes drawLine {
    from { 
        width: 0; 
    }
    to { 
        width: var(--line-width, 80px); 
    }
}

@keyframes heatGlow {
    0% { 
        opacity: 0.4;
        transform: scale(1);
    }
    100% { 
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes heatGlowIntense {
    0% { 
        opacity: 0.6;
        transform: scale(1);
        filter: blur(25px);
    }
    100% { 
        opacity: 1;
        transform: scale(1.1);
        filter: blur(30px);
    }
}

@keyframes backgroundIntegration {
    0% { 
        opacity: 0.5;
        transform: scale(1) rotate(0deg);
    }
    50% { 
        opacity: 0.8;
        transform: scale(1.1) rotate(180deg);
    }
    100% { 
        opacity: 0.5;
        transform: scale(1) rotate(360deg);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* ===== SERVICIOS SECTION ===== */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.service-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    animation: pulse 2s infinite;
    opacity: 0.3;
}

.service-icon i {
    font-size: var(--font-size-xl);
    color: var(--text-white);
    position: relative;
    z-index: 1;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.service-features {
    margin-bottom: var(--spacing-lg);
}

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

.feature-item i {
    color: var(--success-color);
    font-size: var(--font-size-sm);
}

.feature-item span {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.service-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.service-price {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-color);
}

.service-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--whatsapp-color);
    color: var(--text-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.service-btn:hover {
    background: var(--whatsapp-dark);
    transform: translateY(-2px);
}

/* ===== PROYECTOS SECTION ===== */
.projects {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: var(--radius-xl);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

/* Imagen SVG específica para gestión de citas */
.project-image img[src="imagen-gestion-citas.svg"] {
    object-fit: cover;
    padding: 0;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

/* Decorative image inside overlay specifically for Gestión de Citas card */
.project-image img[src="imagen-gestion-citas.svg"] + .project-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('imagen-gestion-citas.svg') center/contain no-repeat;
    opacity: 0.15;
    pointer-events: none;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-actions {
    display: flex;
    gap: var(--spacing-md);
}

.project-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-normal);
    min-width: 120px;
    justify-content: center;
}

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

.project-btn-whatsapp {
    background: var(--whatsapp-color);
}

.project-btn-whatsapp:hover {
    background: var(--whatsapp-dark);
}

.project-content {
    padding: var(--spacing-lg);
}

.project-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.project-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* ===== TESTIMONIOS SECTION ===== */
.testimonials {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.testimonials-container {
    position: relative;
    z-index: 2;
}

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

.testimonials-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.testimonials-header p {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 500;
}

.testimonials-grid {
    display: grid;
    /* Ensure columns don't exceed viewport width on small screens */
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

@media (min-width: 1025px) {
    .testimonials-grid {
        /* Balance layout on desktop (e.g., 4 items -> 2x2) */
        grid-template-columns: repeat(2, minmax(380px, 1fr));
        justify-content: center;
    }
}

.testimonial-card {
    background: linear-gradient(145deg, var(--bg-card) 0%, #ffffff 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-normal);
    border: 2px solid rgba(99, 102, 241, 0.1);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.testimonial-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.testimonial-content {
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.testimonial-content p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--text-primary);
    font-style: italic;
    position: relative;
    padding-left: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
    /* Prevent overflow of long words */
    overflow-wrap: anywhere;
    word-break: break-word;
}

.testimonial-content p::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -15px;
    font-size: var(--font-size-4xl);
    color: var(--primary-color);
    font-family: Georgia, serif;
    opacity: 0.3;
}

.testimonial-content p::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.stars {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    justify-content: center;
}

.stars i {
    color: var(--accent-color);
    font-size: var(--font-size-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--primary-color);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    /* Ensure perfect circle across layouts */
    aspect-ratio: 1 / 1;
    overflow: hidden;
    flex: 0 0 60px;
}

.author-avatar i {
    color: var(--text-white);
    font-size: var(--font-size-xl);
}

.author-info h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.author-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.testimonials-stats {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    text-align: center;
    margin-top: var(--spacing-4xl);
    box-shadow: var(--shadow-xl);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.testimonials-stats::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(45deg);
}

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

.stat-item {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item .stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.stat-item .stat-label {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== CONTACTO SECTION ===== */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

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

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

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: var(--font-size-lg);
    color: var(--text-white);
}

.contact-details h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

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

.contact-form {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color var(--transition-fast);
    background: var(--bg-primary);
}

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

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

/* ===== VARIABLES CSS OPTIMIZADAS ===== */
:root {
    /* Colores principales */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --gradient-modern: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-color: #1e293b;
    --accent-color: #f59e0b;
    --accent-light: #fbbf24;
    --success-color: #10b981;
    /* Colores de fondo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --bg-card: #ffffff;
    /* Colores de texto */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    /* WhatsApp */
    --whatsapp-color: #25D366;
    --whatsapp-dark: #1ebe57;
    /* 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;
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    /* Transiciones */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    /* Tipografía base */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-xs: 0.75rem;
    --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;
}

.footer-brand p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-contact .contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-light);
    font-size: var(--font-size-sm);
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.footer-contact .contact-item:hover {
    transform: translateX(5px);
    color: var(--primary-color);
}

.footer-contact .contact-item i {
    color: var(--accent-color);
    width: 16px;
    transition: color var(--transition-fast);
}

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

.footer-services h4,
.footer-technologies h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-services h4::after,
.footer-technologies h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), transparent);
}

.footer-services ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-services li {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.footer-services li:hover {
    transform: translateX(5px);
    color: var(--primary-color);
}

.footer-technologies .tech-tags {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

/* Responsive Design */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-services-technologies {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .footer-services-technologies {
        grid-template-columns: 1fr;
    }
    
    .footer-technologies .tech-tags {
        grid-template-columns: repeat(2, 1fr);
    }
}

.footer-technologies .tech-tag {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    transition: all var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    justify-content: center;
    text-align: center;
    min-height: 32px;
}

.footer-technologies .tech-tag:hover {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    border-color: var(--primary-color);
}

.footer-technologies .tech-tag i {
    font-size: var(--font-size-sm);
    color: var(--accent-color);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    position: relative;
    z-index: 2;
}

.footer-bottom-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

/* Separar enlaces de navegación y legales en dos líneas */
.footer-bottom-links {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-bottom-links .nav-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-bottom-links .legal-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-bottom-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.footer-bottom-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-color);
    transition: width var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--accent-color);
}

.footer-bottom-links a:hover::after {
    width: 100%;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Mobile First - Base styles are for mobile */

/* Small Mobile (320px - 480px) */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    :root {
        --font-size-5xl: 1.5rem;
        --font-size-4xl: 1.25rem;
        --font-size-3xl: 1.1rem;
        --font-size-2xl: 1rem;
    }
    .container {
        max-width: 100%;
        padding: 0 8px;
        box-sizing: border-box;
    }
    img, video, svg {
        max-width: 100%;
        width: 100%;
        height: auto;
        display: block;
    }
    .nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-primary);
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(0, 0, 0, 0.1);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: var(--spacing-2xl) var(--spacing-lg);
        box-shadow: var(--shadow-xl);
        z-index: 998;
        overflow-y: auto;
        /* Transición suave usando transform */
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        will-change: transform;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    /* Dark mode mobile menu */
    .dark .nav-menu {
        background: var(--bg-dark);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* Improve hamburger menu item styling */
    .nav-menu .nav-link {
        font-size: var(--font-size-lg);
        font-weight: 600;
        padding: var(--spacing-lg) var(--spacing-xl);
        width: 100%;
        max-width: 280px;
        text-align: center;
        border-radius: var(--radius-lg);
        margin-bottom: var(--spacing-sm);
        border: 1px solid rgba(37, 99, 235, 0.1);
        background: transparent;
        position: relative;
        overflow: hidden;
        /* Optimizar rendimiento de animaciones */
        will-change: transform, background-color, border-color;
        backface-visibility: hidden;
        /* Transición optimizada */
        transition: all var(--transition-normal);
    }

    .nav-menu .nav-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: var(--gradient-primary);
        transition: left var(--transition-normal);
        z-index: -1;
    }

    .nav-menu .nav-link:hover::before {
        left: 0;
    }

    .nav-menu .nav-link:hover {
        color: var(--text-white);
        border-color: var(--primary-color);
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
        /* Optimizar hover performance */
        will-change: transform;
    }

    .nav-menu .nav-link:active {
        transform: translateY(0);
        transition: transform var(--transition-fast);
    }

    /* Animación de entrada escalonada para los enlaces */
    .nav-menu.active .nav-link {
        animation: slideInFromLeft 0.3s ease-out forwards;
    }

    .nav-menu.active .nav-link:nth-child(1) { animation-delay: 0.1s; }
    .nav-menu.active .nav-link:nth-child(2) { animation-delay: 0.2s; }
    .nav-menu.active .nav-link:nth-child(3) { animation-delay: 0.3s; }
    .nav-menu.active .nav-link:nth-child(4) { animation-delay: 0.4s; }
    .nav-brand .brand-text {
        font-size: 1.125rem;
    }
    .nav-menu.active {
        transform: translateX(0);
        /* Mejorar experiencia visual con backdrop más prominente */
        backdrop-filter: blur(15px);
        background: rgba(255, 255, 255, 0.95);
    }

    /* Dark mode para menú móvil activo */
    .dark .nav-menu.active {
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(15px);
    }
    .nav-toggle {
        display: flex !important;
    }

    /* Asegurar que el menú de escritorio esté visible en móviles */
    .nav-menu {
        display: none !important;
    }

    .nav-menu.active {
        display: flex !important;
    }
    .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);
    }
    .hero {
        padding-top: 100px;
        min-height: 100vh;
    }
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    .hero-image-wrapper {
        width: 90vw;
        max-width: 250px;
        min-width: 0;
        height: auto;
        margin: 0 auto;
    }
    .hero-visual {
        height: auto;
        min-height: 220px;
        max-width: 100%;
    }
    .shape-1 {
        width: 80px;
        height: 80px;
        top: 5%;
        right: 5%;
    }
    .author-avatar {
        width: 48px;
        height: 48px;
        flex-basis: 48px;
    }
    .shape-2 {
        width: 60px;
        height: 60px;
        bottom: 10%;
        left: 2%;
    }
    .shape-3 {
        width: 40px;
        height: 40px;
        top: 40%;
        left: -2%;
    }
    .floating-icon {
        width: 32px;
        height: 32px;
    }
    .floating-icon i {
        font-size: var(--font-size-lg);
    }
    .project-btn {
        min-width: 80px;
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    .project-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .hero-stats {
        justify-content: center;
        gap: var(--spacing-lg);
        flex-wrap: wrap;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    .stat-item {
        min-width: 0;
        flex: 1 1 100px;
    }
    .stat-number, .stat-label {
        overflow-wrap: anywhere;
        word-break: break-word;
    }
    .btn {
        width: 100%;
        max-width: 220px;
        min-width: 0;
        justify-content: center;
        font-size: var(--font-size-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    .projects-filter {
        gap: var(--spacing-sm);
    }
    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-xs);
    }
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
        width: 100%;
    }
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
        width: 100%;
    }
    .footer-bottom-links {
        justify-content: center;
    }
    .whatsapp-float {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 40px;
        height: 40px;
    }
    .whatsapp-float i {
        font-size: var(--font-size-base);
    }
    .whatsapp-text {
        display: none;
    }
}

/* Tablet (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-image-wrapper {
        width: 280px;
        height: 360px;
        margin: 0 auto;
    }
    
    .hero-visual {
        height: 450px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
        gap: var(--spacing-xl);
    }
}

/* Small Desktop (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero-content {
        gap: var(--spacing-2xl);
    }
    
    .hero-image-wrapper {
        width: 280px;
        height: 360px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large Desktop (1025px+) */
@media (min-width: 1025px) {
    .hero-content {
        gap: var(--spacing-3xl);
    }
    
    .hero-image-wrapper {
        width: 320px;
        height: 420px;
    }
    
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

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

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

/* Animación para enlaces del menú móvil */
@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== UTILIDADES DE ANIMACIÓN ===== */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}


/* ===== SCROLL SMOOTH ===== */
/* ===== SCROLL SMOOTH ===== */
html {
    scroll-behavior: smooth;
}

/* ===== SELECTION ===== */
/* ===== SELECTION ===== */
::selection {
    background: var(--primary-color);
    color: var(--text-white);
}

::-moz-selection {
    background: var(--primary-color);
    color: var(--text-white);
}

/* ===== REGLAS ADICIONALES PARA MENÚ DE ESCRITORIO ===== */
/* Estas reglas aseguran que el menú de escritorio tenga prioridad absoluta */

@media (min-width: 769px) {
    /* Forzar menú de escritorio siempre visible */
    .nav-menu {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: static !important;
        top: auto !important;
        left: auto !important;
        width: auto !important;
        height: auto !important;
        background: transparent !important;
        flex-direction: row !important;
        transform: translateX(0) !important;
        transition: none !important;
        pointer-events: auto !important;
    }

    /* Forzar enlaces de menú de escritorio - prioridad máxima */
    .nav-menu .nav-link {
        display: inline-block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        pointer-events: auto !important;
        cursor: pointer !important;
        background: transparent !important;
        border: none !important;
        padding: var(--spacing-sm) var(--spacing-md) !important;
        margin: 0 !important;
        font-size: var(--font-size-base) !important;
        font-weight: 500 !important;
        color: var(--text-primary) !important;
        text-decoration: none !important;
        transition: all var(--transition-fast) !important;
        transform: none !important;
        width: auto !important;
        height: auto !important;
        max-width: none !important;
        border-radius: var(--radius-md) !important;
        overflow: visible !important;
        z-index: 1001 !important;
        /* Anular cualquier restricción de JavaScript */
        touch-action: manipulation !important;
        user-select: text !important;
    }

    .nav-menu .nav-link:hover {
        color: var(--primary-color) !important;
        background: rgba(37, 99, 235, 0.05) !important;
        transform: translateY(-1px) !important;
    }

    .nav-menu .nav-link::before {
        display: none !important;
    }

    /* Ocultar completamente el botón hamburguesa */
    .nav-toggle {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
        position: absolute !important;
        top: -9999px !important;
        left: -9999px !important;
    }

    /* Reglas adicionales para asegurar interactividad */
    .nav-menu * {
        pointer-events: auto !important;
    }

    .nav-link * {
        pointer-events: auto !important;
    }
}