/* ===== KODO LABS - CSS ULTRA MODERNO ===== */

/* Variables CSS para máxima consistencia */
:root {
    /* Paleta de colores premium */
    --primary-green: #00c851;
    --primary-dark: #00a843;
    --secondary-green: #1db954;
    --accent-cyan: #00d4ff;
    --accent-purple: #6c5ce7;
    --accent-orange: #ff6b35;
    
    /* Gradientes modernos */
    --gradient-primary: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    --gradient-accent: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    --gradient-warm: linear-gradient(135deg, var(--accent-orange), var(--primary-green));
    --gradient-dark: linear-gradient(135deg, #000000, #1a1a1a, #2d2d2d);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    
    /* Sombras premium */
    --shadow-primary: 0 20px 40px rgba(0, 200, 81, 0.15);
    --shadow-large: 0 25px 50px rgba(0, 0, 0, 0.2);
    --shadow-extra-large: 0 40px 80px rgba(0, 200, 81, 0.3);
    --shadow-glow: 0 0 30px rgba(0, 200, 81, 0.4);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.12);
    
    /* Geometría moderna */
    --border-radius: 20px;
    --border-radius-large: 25px;
    --border-radius-small: 12px;
    
    /* Transiciones fluidas */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Tipografía avanzada */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    
    /* Spacing system */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    /* Z-index system */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* Reset ultra mejorado */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Scrollbar premium personalizada */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #000;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-accent);
    box-shadow: var(--shadow-glow);
}

::-webkit-scrollbar-corner {
    background: #000;
}

/* Body con tipografía optimizada */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    font-size: 1rem;
    line-height: 1.6;
    color: #ffffff;
    background: #000000;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    
    /* Optimizaciones de renderizado */
    font-feature-settings: "liga" 1, "kern" 1, "calt" 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-variant-ligatures: common-ligatures;
    
    /* Performance */
    will-change: scroll-position;
}

/* Container system responsive */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    width: 100%;
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* Header ultra premium con glassmorphism avanzado */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: var(--z-fixed);
    background: rgba(0, 0, 0, 0.85) !important;
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border-bottom: 1px solid rgba(0, 200, 81, 0.2);
    transition: var(--transition);
    box-shadow: var(--shadow-glass);
}

/* Efecto holográfico en header */
header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        rgba(0, 200, 81, 0.05) 0%, 
        transparent 20%, 
        transparent 40%,
        rgba(0, 212, 255, 0.05) 50%,
        transparent 60%,
        transparent 80%, 
        rgba(108, 92, 231, 0.05) 100%);
    pointer-events: none;
    animation: hologram 8s linear infinite;
}

@keyframes hologram {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

header.scrolled {
    background: rgba(0, 0, 0, 0.95) !important;
    backdrop-filter: blur(30px) saturate(200%);
    box-shadow: var(--shadow-primary);
    border-bottom-color: var(--primary-green);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    height: 80px;
    position: relative;
}

/* Logo con imagen - CORREGIDO SIN INVERT NI CUADRADO VERDE */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
    transition: var(--transition);
    line-height: 1;
    z-index: 2;
}

.logo-image {
    height: 60px; /* Ajusta según prefieras: 60px, 80px, etc. */
    width: auto;
    transition: all 0.3s ease;
    /* REMOVIDO: filter: invert(1) brightness(1.2); */
    /* El logo ahora mantendrá sus colores originales */
}

.logo:hover .logo-image {
    transform: translateY(-2px) scale(1.05);
    /* REMOVIDO: filter: invert(1) brightness(1.3); */
    /* Solo transformación, sin cambio de colores */
}

/* ELIMINAR COMPLETAMENTE estos efectos que causan el cuadrado verde */
.logo::after {
    display: none !important;
}

.logo::before {
    display: none !important;
}

/* ELIMINAR efectos de hover que causan el cuadrado */
.logo:hover::after {
    display: none !important;
}

.logo:hover::before {
    display: none !important;
}

/* ELIMINAR efectos de focus/active/click que causan el cuadrado verde */
.logo:focus,
.logo:active,
.logo:focus-visible {
    outline: none !important;
    border: none !important;
    background: none !important;
    box-shadow: none !important;
}

.logo:focus::after,
.logo:active::after,
.logo:focus::before,
.logo:active::before {
    display: none !important;
}

/* Hover limpio sin efectos verdes */
.logo:hover {
    transform: translateY(-2px);
    /* REMOVIDO: filter: drop-shadow que causa brillo verde */
}

/* ELIMINAR puntos verdes si existen */
.logo-dot {
    display: none !important;
}

/* ELIMINAR efectos de iconos verdes si existen */
.logo i {
    display: none !important;
}

/* Override para asegurar que no hay fondos verdes */
.logo, 
.logo *,
.logo:hover,
.logo:focus,
.logo:active,
.logo:visited {
    background: transparent !important;
    backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}

/* Eliminar cualquier regla de focus global que afecte el logo */
.logo:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

/* Si hay alguna regla general de focus, anularla específicamente para el logo */
a.logo:focus {
    outline: 0 !important;
    outline-color: transparent !important;
    outline-style: none !important;
    box-shadow: none !important;
    border: none !important;
}

/* ALTERNATIVA: Si quieres que el logo se vea blanco pero sin el invert */
/* Descomenta estas líneas si prefieres un logo blanco: */
/*
.logo-image {
    filter: brightness(0) invert(1);
}

.logo:hover .logo-image {
    filter: brightness(0) invert(1) drop-shadow(0 0 5px rgba(255, 255, 255, 0.3));
}
*/

/* Navigation premium */
.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin: 0;
    position: relative;
}

.nav-links a {
    position: relative;
    text-decoration: none;
    color: #cccccc;
    font-weight: var(--font-weight-medium);
    font-size: 0.95rem;
    transition: var(--transition);
    padding: 8px 16px;
    border-radius: 25px;
    line-height: 1.2;
    display: block;
    overflow: hidden;
}

/* Efecto de hover líquido */
.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: var(--transition-bounce);
    border-radius: 25px;
    z-index: -1;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: var(--transition);
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-links a:hover {
    color: #000000;
    transform: translateY(-2px);
}

.nav-links a:hover::before {
    left: 0;
}

.nav-links a:hover::after {
    width: 60%;
}

/* CTA Button premium */
.cta-button {
    background: var(--gradient-primary);
    color: #000000;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    line-height: 1.2;
    white-space: nowrap;
    box-shadow: var(--shadow-primary);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255,255,255,0.4), 
        transparent);
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 25px;
}

.cta-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-warm);
    opacity: 0;
    transition: var(--transition);
    border-radius: 25px;
}

.cta-button:hover::before {
    left: 150%;
}

.cta-button:hover::after {
    opacity: 1;
}

.cta-button:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-extra-large);
}

/* Mobile menu mejorado */
.mobile-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    position: relative;
    z-index: var(--z-dropdown);
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
    transform-origin: center;
}

.mobile-menu:hover span {
    background: var(--gradient-accent);
    box-shadow: 0 0 10px rgba(0, 200, 81, 0.5);
}

/* Hero Section ultra moderno */
.hero {
    background: var(--gradient-dark);
    color: white;
    padding: 140px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Grid animado mejorado */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 200, 81, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 200, 81, 0.08) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-move 20s linear infinite;
    opacity: 0.6;
    mask: radial-gradient(ellipse at center, transparent 10%, black 70%);
    -webkit-mask: radial-gradient(ellipse at center, transparent 10%, black 70%);
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* Partículas flotantes mejoradas */
.hero::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(0, 200, 81, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 60% 30%, rgba(108, 92, 231, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 70%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    animation: floating-particles 12s ease-in-out infinite;
    will-change: transform;
}

@keyframes floating-particles {
    0%, 100% { 
        transform: translate(0, 0) rotate(0deg) scale(1); 
        opacity: 0.7; 
    }
    25% { 
        transform: translate(30px, -30px) rotate(90deg) scale(1.1); 
        opacity: 1; 
    }
    50% { 
        transform: translate(-20px, 20px) rotate(180deg) scale(0.9); 
        opacity: 0.8; 
    }
    75% { 
        transform: translate(25px, 35px) rotate(270deg) scale(1.05); 
        opacity: 0.9; 
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    animation: hero-entrance 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes hero-entrance {
    from {
        opacity: 0;
        transform: translateY(60px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Hero typography premium */
.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: var(--space-md);
    font-weight: var(--font-weight-black);
    line-height: 1.1;
    background: linear-gradient(135deg, 
        #ffffff 0%, 
        var(--primary-green) 30%, 
        var(--accent-cyan) 60%, 
        var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: text-glow 4s ease-in-out infinite alternate;
    text-align: center;
    letter-spacing: -0.02em;
}

@keyframes text-glow {
    0% { 
        filter: brightness(1) drop-shadow(0 0 5px rgba(0, 200, 81, 0.3)); 
    }
    100% { 
        filter: brightness(1.2) drop-shadow(0 0 25px rgba(0, 200, 81, 0.6)); 
    }
}

.hero p {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    margin-bottom: var(--space-xl);
    opacity: 0.9;
    color: #e8e8e8;
    line-height: 1.7;
    font-weight: var(--font-weight-normal);
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: 0.01em;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
}

/* Buttons premium */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: 1.05rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    line-height: 1.2;
    white-space: nowrap;
    text-align: center;
    backdrop-filter: blur(10px);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #000000;
    box-shadow: var(--shadow-primary);
    border-color: var(--primary-green);
}

.btn-secondary {
    background: rgba(0, 200, 81, 0.1);
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
    backdrop-filter: blur(15px);
}

.btn-primary::before, .btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255,255,255,0.3), 
        transparent);
    transition: left 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.btn-primary:hover {
    transform: translateY(-6px) scale(1.05);
    box-shadow: var(--shadow-extra-large);
    border-color: var(--accent-cyan);
}

.btn-secondary:hover {
    background: var(--gradient-primary);
    color: #000000;
    transform: translateY(-6px) scale(1.05);
    box-shadow: var(--shadow-extra-large);
}

/* Tech showcase premium */
.tech-showcase {
    padding: 80px 0;
    background: linear-gradient(135deg, #0a0a0a, #1a1a1a, #0f0f0f);
    border-bottom: 1px solid rgba(0, 200, 81, 0.15);
    position: relative;
    overflow: hidden;
}

.tech-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(0, 200, 81, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-lg);
    align-items: center;
    opacity: 0.9;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.tech-item {
    text-align: center;
    padding: var(--space-lg) var(--space-sm);
    transition: var(--transition);
    border-radius: var(--border-radius-small);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-15px) scale(1.05);
    opacity: 1 !important;
    background: rgba(0, 200, 81, 0.08);
    border-color: rgba(0, 200, 81, 0.3);
    box-shadow: var(--shadow-primary);
}

.tech-item:hover::before {
    opacity: 0.05;
}

.tech-item i {
    font-size: 3rem;
    margin-bottom: var(--space-xs);
    display: block;
    transition: var(--transition);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-item:hover i {
    filter: drop-shadow(0 0 20px currentColor);
    transform: scale(1.15) rotateY(15deg);
    animation: tech-pulse 0.6s ease-in-out;
}

@keyframes tech-pulse {
    0%, 100% { transform: scale(1.15) rotateY(15deg); }
    50% { transform: scale(1.25) rotateY(-15deg); }
}

.tech-item div {
    color: #ccc;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    margin-top: var(--space-xs);
    transition: var(--transition);
}

.tech-item:hover div {
    color: var(--primary-green);
    font-weight: var(--font-weight-semibold);
}

/* Section titles premium */
.section-title {
    text-align: center;
    margin-bottom: var(--space-2xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
    color: #ffffff;
    font-weight: var(--font-weight-black);
    line-height: 1.2;
    letter-spacing: -0.01em;
    background: linear-gradient(135deg, 
        #ffffff 0%, 
        var(--primary-green) 50%, 
        var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: #d0d0d0;
    font-weight: var(--font-weight-normal);
    line-height: 1.7;
    letter-spacing: 0.01em;
}

/* Services section premium */
.services {
    padding: 120px 0;
    background: #000000;
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 200, 81, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
    animation: services-bg 15s ease-in-out infinite;
}

@keyframes services-bg {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    position: relative;
    z-index: 2;
}

/* Service Cards ultra premium */
.service-card {
    background: linear-gradient(145deg, 
        rgba(17, 17, 17, 0.8), 
        rgba(26, 26, 26, 0.6));
    backdrop-filter: blur(20px);
    padding: var(--space-xl) var(--space-lg);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-large);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(0, 200, 81, 0.2);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

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

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glass);
    opacity: 0;
    transition: var(--transition);
    border-radius: var(--border-radius-large);
}

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

.service-card:hover::after {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-20px) scale(1.02) rotateX(5deg);
    box-shadow: var(--shadow-extra-large);
    border-color: var(--primary-green);
}

.service-icon {
    font-size: 4rem;
    margin-bottom: var(--space-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 15px rgba(0, 200, 81, 0.4));
    transition: var(--transition);
    animation: float 4s ease-in-out infinite;
    position: relative;
    z-index: 2;
}

.service-card:hover .service-icon {
    transform: scale(1.15) rotate(10deg);
    filter: drop-shadow(0 0 25px rgba(0, 200, 81, 0.7));
    animation-duration: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-8px) rotate(2deg); }
    50% { transform: translateY(-5px) rotate(0deg); }
    75% { transform: translateY(-12px) rotate(-2deg); }
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: var(--space-sm);
    color: #ffffff;
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 2;
}

.service-card p {
    color: #d5d5d5;
    margin-bottom: var(--space-md);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    font-size: 1.05rem;
    letter-spacing: 0.01em;
    position: relative;
    z-index: 2;
}

.service-features {
    list-style: none;
    text-align: left;
    margin: 0;
    padding: 0;
    position: relative;
    z-index: 2;
}

.service-features li {
    padding: var(--space-xs) 0;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: var(--font-weight-normal);
    font-size: 0.95rem;
    transition: var(--transition);
    border-radius: 8px;
    padding-left: 10px;
    margin-bottom: 2px;
}

.service-features li:hover {
    background: rgba(0, 200, 81, 0.08);
    transform: translateX(8px);
    color: var(--primary-green);
}

.service-features li i {
    color: var(--primary-green);
    font-size: 1rem;
    width: 18px;
    text-align: center;
    filter: drop-shadow(0 0 5px rgba(0, 200, 81, 0.3));
}

/* Portfolio section ultra premium */
.portfolio {
    padding: 120px 0;
    background: linear-gradient(135deg, #111111, #1a1a1a, #0f0f0f);
    position: relative;
    overflow: hidden;
}

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(0, 200, 81, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 20%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(108, 92, 231, 0.05) 0%, transparent 50%);
    pointer-events: none;
    animation: portfolio-bg 20s ease-in-out infinite;
}

@keyframes portfolio-bg {
    0%, 100% { 
        opacity: 0.4; 
        transform: rotate(0deg) scale(1); 
    }
    33% { 
        opacity: 0.7; 
        transform: rotate(120deg) scale(1.1); 
    }
    66% { 
        opacity: 0.5; 
        transform: rotate(240deg) scale(0.9); 
    }
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--space-xl);
    position: relative;
    z-index: 2;
}

/* Portfolio items premium */
.portfolio-item {
    background: linear-gradient(145deg, 
        rgba(10, 10, 10, 0.9), 
        rgba(26, 26, 26, 0.8));
    backdrop-filter: blur(25px);
    border: 1px solid rgba(0, 200, 81, 0.2);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    box-shadow: var(--shadow-large);
    will-change: transform;
}

.portfolio-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 200, 81, 0.05), 
        rgba(0, 212, 255, 0.05),
        rgba(108, 92, 231, 0.03));
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.portfolio-item::after {
    content: 'Ver Proyecto →';
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: #000000;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    opacity: 0;
    transform: translateY(20px) scale(0.8);
    transition: var(--transition-bounce);
    z-index: 3;
    box-shadow: var(--shadow-primary);
}

.portfolio-item:hover::before {
    opacity: 1;
}

.portfolio-item:hover::after {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.portfolio-item:hover {
    transform: translateY(-15px) scale(1.02) rotateX(2deg);
    box-shadow: var(--shadow-extra-large);
    border-color: var(--primary-green);
}

.portfolio-image {
    height: 260px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.portfolio-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="tech-pattern" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1.5" fill="rgba(0,0,0,0.1)"/><rect x="5" y="5" width="10" height="10" fill="none" stroke="rgba(0,0,0,0.08)" stroke-width="0.5"/><path d="M2 10 L18 10 M10 2 L10 18" stroke="rgba(0,0,0,0.05)" stroke-width="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23tech-pattern)" /></svg>');
    opacity: 0.4;
    animation: tech-pattern 10s linear infinite;
}

@keyframes tech-pattern {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(20px, 20px) rotate(360deg); }
}

.portfolio-image i {
    position: relative;
    z-index: 3;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.3));
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-image i {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.5));
}

.portfolio-content {
    padding: var(--space-xl);
    position: relative;
    z-index: 2;
}

.portfolio-content h3 {
    font-size: 1.6rem;
    margin-bottom: var(--space-sm);
    color: #ffffff;
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.portfolio-content p {
    color: #d0d0d0;
    margin-bottom: var(--space-md);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    font-size: 1.05rem;
    letter-spacing: 0.01em;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

/* Tags ultra premium */
.tag {
    background: rgba(0, 200, 81, 0.12);
    color: var(--primary-green);
    padding: 6px 14px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: var(--font-weight-medium);
    border: 1px solid rgba(0, 200, 81, 0.25);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    line-height: 1.2;
    position: relative;
    overflow: hidden;
}

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

.tag:hover {
    color: #000000;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 200, 81, 0.3);
    border-color: var(--primary-green);
}

.tag:hover::before {
    left: 0;
}

/* Modal ultra premium */
.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(25px) saturate(150%);
    animation: modal-fade-in 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes modal-fade-in {
    from {
        opacity: 0;
        backdrop-filter: blur(0px);
    }
    to {
        opacity: 1;
        backdrop-filter: blur(25px) saturate(150%);
    }
}

.modal-content {
    background: linear-gradient(145deg, 
        rgba(17, 17, 17, 0.95), 
        rgba(26, 26, 26, 0.9));
    backdrop-filter: blur(30px) saturate(180%);
    margin: 2% auto;
    padding: 0;
    border-radius: var(--border-radius-large);
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
    border: 2px solid rgba(0, 200, 81, 0.3);
    box-shadow: var(--shadow-extra-large);
    position: relative;
    overflow: hidden;
    animation: modal-slide-up 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modal-slide-up {
    from {
        opacity: 0;
        transform: translateY(100px) scale(0.9) rotateX(10deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1) rotateX(0deg);
    }
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    animation: modal-progress 0.6s ease-out;
}

@keyframes modal-progress {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

.modal-header {
    background: linear-gradient(135deg, 
        rgba(10, 10, 10, 0.95), 
        rgba(26, 26, 26, 0.9));
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0, 200, 81, 0.2);
    padding: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

.modal-header h2 {
    color: #ffffff;
    font-size: 2.2rem;
    font-weight: var(--font-weight-black);
    margin: 0;
    line-height: 1.2;
    letter-spacing: -0.01em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-close {
    background: rgba(0, 200, 81, 0.1);
    border: 1px solid rgba(0, 200, 81, 0.3);
    border-radius: 50%;
    transition: var(--transition);
    color: #cccccc;
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    position: relative;
    overflow: hidden;
}

.modal-close::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    border-radius: 50%;
}

.modal-close:hover {
    color: #000000;
    transform: scale(1.15) rotate(90deg);
    border-color: var(--primary-green);
    box-shadow: var(--shadow-glow);
}

.modal-close:hover::before {
    opacity: 1;
}

.modal-body {
    padding: var(--space-xl);
}

.project-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.project-img {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, #222222, #333333, #2a2a2a);
    border-radius: var(--border-radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cccccc;
    font-size: 1.1rem;
    font-weight: var(--font-weight-medium);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 200, 81, 0.2);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.project-img::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(0, 200, 81, 0.08) 25%, 
        transparent 25%, 
        transparent 75%, 
        rgba(0, 200, 81, 0.08) 75%);
    background-size: 30px 30px;
    opacity: 0.4;
    animation: project-pattern 8s linear infinite;
}

@keyframes project-pattern {
    0% { transform: translate(0, 0); }
    100% { transform: translate(30px, 30px); }
}

.project-img:hover {
    border-color: var(--primary-green);
    transform: scale(1.05) rotateY(5deg);
    box-shadow: var(--shadow-primary);
    color: var(--primary-green);
}

.project-details {
    color: #d0d0d0;
    line-height: 1.8;
    font-weight: var(--font-weight-normal);
    font-size: 1.05rem;
    letter-spacing: 0.01em;
}

.project-details h3 {
    color: var(--primary-green);
    margin: var(--space-xl) 0 var(--space-sm) 0;
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    letter-spacing: -0.01em;
    position: relative;
    padding-left: var(--space-sm);
}

.project-details h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.project-details h3:first-child {
    margin-top: 0;
}

.project-details ul {
    margin-left: var(--space-md);
    margin-bottom: var(--space-sm);
    padding-left: var(--space-sm);
}

.project-details li {
    margin-bottom: var(--space-xs);
    line-height: 1.7;
    position: relative;
}

.project-details li::marker {
    color: var(--primary-green);
}

.project-details strong {
    color: #ffffff;
    font-weight: var(--font-weight-semibold);
}

.project-details p {
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

/* About section premium */
.about {
    padding: 120px 0;
    background: #000000;
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 200, 81, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
    animation: about-bg 12s ease-in-out infinite;
}

@keyframes about-bg {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.7; }
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
    color: #ffffff;
    font-weight: var(--font-weight-black);
    line-height: 1.2;
    letter-spacing: -0.01em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text p {
    color: #d0d0d0;
    margin-bottom: var(--space-md);
    font-size: clamp(1rem, 2vw, 1.15rem);
    font-weight: var(--font-weight-normal);
    line-height: 1.7;
    letter-spacing: 0.01em;
}

.about-features {
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-features li {
    padding: var(--space-sm) 0;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: var(--font-weight-medium);
    font-size: 1.05rem;
    transition: var(--transition);
    border-radius: 10px;
    padding-left: var(--space-sm);
    margin-bottom: 4px;
}

.about-features li:hover {
    background: rgba(0, 200, 81, 0.08);
    transform: translateX(12px);
    color: var(--primary-green);
}

.about-features li i {
    color: var(--primary-green);
    font-size: 1.3rem;
    width: 24px;
    text-align: center;
    filter: drop-shadow(0 0 8px rgba(0, 200, 81, 0.4));
    transition: var(--transition);
}

.about-features li:hover i {
    filter: drop-shadow(0 0 15px rgba(0, 200, 81, 0.8));
    transform: scale(1.2) rotate(10deg);
}

.about-image {
    background: var(--gradient-dark);
    border: 2px solid rgba(0, 200, 81, 0.3);
    border-radius: var(--border-radius-large);
    height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
    font-size: 6rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-large);
    backdrop-filter: blur(10px);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 200, 81, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(0, 212, 255, 0.08) 0%, transparent 50%);
    animation: about-image-bg 6s ease-in-out infinite;
}

@keyframes about-image-bg {
    0%, 100% { opacity: 0.6; transform: scale(1) rotate(0deg); }
    50% { opacity: 1; transform: scale(1.1) rotate(5deg); }
}

.about-image i {
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 0 20px rgba(0, 200, 81, 0.5));
    animation: about-icon 4s ease-in-out infinite;
}

@keyframes about-icon {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-10px) scale(1.05); }
}

/* Stats section premium */
.stats-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #0a0a0a, #1a1a1a, #0f0f0f);
    border-top: 1px solid rgba(0, 200, 81, 0.2);
    border-bottom: 1px solid rgba(0, 200, 81, 0.2);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(0, 200, 81, 0.05) 0%, transparent 70%);
    pointer-events: none;
    animation: stats-bg 10s ease-in-out infinite;
}

@keyframes stats-bg {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.5; }
    50% { transform: scale(1.2) rotate(180deg); opacity: 0.8; }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    text-align: center;
    position: relative;
    z-index: 2;
}

.stat-item {
    padding: var(--space-xl);
    background: linear-gradient(145deg, 
        rgba(17, 17, 17, 0.8), 
        rgba(26, 26, 26, 0.6));
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 200, 81, 0.2);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: var(--primary-green);
    box-shadow: var(--shadow-primary);
}

.stat-item:hover::before {
    opacity: 0.05;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: var(--font-weight-black);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
    line-height: 1;
    letter-spacing: -0.02em;
    filter: drop-shadow(0 0 10px rgba(0, 200, 81, 0.3));
    position: relative;
    z-index: 2;
}

.stat-label {
    color: #d0d0d0;
    font-size: 1.1rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.3;
    letter-spacing: 0.01em;
    position: relative;
    z-index: 2;
}

/* Contact section ultra premium */
.contact {
    padding: 120px 0;
    background: linear-gradient(135deg, #111111, #1a1a1a);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 40% 40%, rgba(0, 200, 81, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 60% 60%, rgba(0, 212, 255, 0.06) 0%, transparent 50%);
    pointer-events: none;
    animation: contact-bg 14s ease-in-out infinite;
}

@keyframes contact-bg {
    0%, 100% { opacity: 0.4; transform: rotate(0deg) scale(1); }
    50% { opacity: 0.7; transform: rotate(180deg) scale(1.1); }
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    position: relative;
    z-index: 2;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    color: #ffffff;
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    letter-spacing: -0.01em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-info p {
    color: #d0d0d0;
    margin-bottom: var(--space-xl);
    font-weight: var(--font-weight-normal);
    line-height: 1.7;
    font-size: 1.1rem;
    letter-spacing: 0.01em;
}

.contact-item {
    background: linear-gradient(145deg, 
        rgba(10, 10, 10, 0.8), 
        rgba(26, 26, 26, 0.6));
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 200, 81, 0.2);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--border-radius-small);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.08;
    transition: var(--transition-bounce);
}

.contact-item:hover {
    border-color: var(--primary-green);
    transform: translateX(8px) translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.contact-item:hover::before {
    left: 0;
}

.contact-item i {
    background: var(--gradient-primary);
    color: #000000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: var(--shadow-primary);
    flex-shrink: 0;
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.contact-item:hover i {
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--shadow-glow);
}

.contact-item div h4 {
    color: #ffffff;
    margin-bottom: var(--space-xs);
    font-weight: var(--font-weight-semibold);
    font-size: 1.1rem;
    line-height: 1.2;
    position: relative;
    z-index: 2;
}

.contact-item div p {
    color: #d0d0d0;
    margin: 0;
    font-weight: var(--font-weight-normal);
    font-size: 1rem;
    line-height: 1.4;
    position: relative;
    z-index: 2;
}

/* Form ultra premium */
.contact-form {
    background: linear-gradient(145deg, 
        rgba(10, 10, 10, 0.9), 
        rgba(26, 26, 26, 0.8));
    backdrop-filter: blur(25px);
    border: 2px solid rgba(0, 200, 81, 0.3);
    position: relative;
    overflow: hidden;
    padding: var(--space-xl);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-large);
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    animation: form-progress 2s ease-in-out infinite;
}

@keyframes form-progress {
    0%, 100% { transform: scaleX(0.3); }
    50% { transform: scaleX(1); }
}

.contact-form h3 {
    margin-bottom: var(--space-lg);
    color: #ffffff;
    font-weight: var(--font-weight-bold);
    font-size: 1.8rem;
    line-height: 1.3;
    letter-spacing: -0.01em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 2;
}

.form-group {
    margin-bottom: var(--space-lg);
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    color: #ffffff;
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    letter-spacing: 0.01em;
    position: relative;
    z-index: 2;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid rgba(0, 200, 81, 0.25);
    border-radius: var(--border-radius-small);
    font-size: 1rem;
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    transition: var(--transition);
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(15px);
    color: #ffffff;
    line-height: 1.5;
    letter-spacing: 0.01em;
    position: relative;
    z-index: 2;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #888888;
    font-weight: var(--font-weight-normal);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 25px rgba(0, 200, 81, 0.25);
    background: rgba(26, 26, 26, 0.95);
    transform: translateY(-2px);
}

.form-group input:focus::placeholder,
.form-group textarea:focus::placeholder {
    color: #aaaaaa;
    transform: translateY(-2px);
}

.form-group textarea {
    height: 140px;
    resize: vertical;
    line-height: 1.6;
}

.submit-btn {
    background: var(--gradient-primary);
    color: #000000;
    padding: 18px 40px;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: var(--shadow-primary);
    position: relative;
    overflow: hidden;
    width: 100%;
    line-height: 1.2;
    letter-spacing: 0.01em;
    z-index: 2;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255,255,255,0.3), 
        transparent);
    transition: left 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.submit-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-warm);
    opacity: 0;
    transition: var(--transition);
    border-radius: 30px;
}

.submit-btn:hover::before {
    left: 150%;
}

.submit-btn:hover::after {
    opacity: 1;
}

.submit-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-extra-large);
}

.submit-btn i {
    position: relative;
    z-index: 3;
    transition: var(--transition);
}

.submit-btn:hover i {
    transform: translateX(5px);
}

/* Success/Error messages premium */
.success-message,
.error-message {
    padding: var(--space-md);
    border-radius: var(--border-radius-small);
    margin-bottom: var(--space-md);
    text-align: center;
    display: none;
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    backdrop-filter: blur(15px);
    border: 2px solid;
    animation: message-slide-in 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.success-message::before,
.error-message::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: message-shine 2s ease-in-out;
}

@keyframes message-slide-in {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes message-shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.success-message {
    background: rgba(0, 200, 81, 0.15);
    color: var(--primary-green);
    border-color: var(--primary-green);
}

.error-message {
    background: rgba(255, 51, 51, 0.15);
    color: #ff6b6b;
    border-color: #ff6b6b;
}

/* Footer ultra premium */
footer {
    background: #000000;
    color: white;
    padding: var(--space-2xl) 0 var(--space-lg);
    border-top: 2px solid rgba(0, 200, 81, 0.3);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 200, 81, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%);
    pointer-events: none;
    animation: footer-bg 16s ease-in-out infinite;
}

@keyframes footer-bg {
    0%, 100% { opacity: 0.3; transform: scale(1) rotate(0deg); }
    50% { opacity: 0.6; transform: scale(1.2) rotate(180deg); }
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    position: relative;
    z-index: 2;
}

.footer-section h3 {
    margin-bottom: var(--space-md);
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.01em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

.footer-section p,
.footer-section a {
    color: #d0d0d0;
    text-decoration: none;
    line-height: 1.8;
    font-weight: var(--font-weight-normal);
    font-size: 1rem;
    transition: var(--transition);
    letter-spacing: 0.01em;
    display: block;
    margin-bottom: var(--space-xs);
}

.footer-section a:hover {
    color: var(--primary-green);
    transform: translateX(8px);
    text-shadow: 0 0 10px rgba(0, 200, 81, 0.5);
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.social-links a {
    background: linear-gradient(145deg, 
        rgba(17, 17, 17, 0.8), 
        rgba(26, 26, 26, 0.6));
    backdrop-filter: blur(15px);
    color: #d0d0d0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 200, 81, 0.2);
    font-size: 1.2rem;
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    border-radius: 50%;
}

.social-links a:hover {
    color: #000000;
    transform: translateY(-8px) scale(1.1) rotate(10deg);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-green);
}

.social-links a:hover::before {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(17, 17, 17, 0.8);
    padding-top: var(--space-lg);
    text-align: center;
    color: #b0b0b0;
    position: relative;
    z-index: 2;
}

.footer-bottom p {
    font-size: 0.95rem;
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    margin-bottom: var(--space-xs);
    letter-spacing: 0.01em;
}

/* WhatsApp button ultra premium */
.whatsapp-float {
    position: fixed;
    width: 70px;
    height: 70px;
    bottom: 30px;
    right: 30px;
    background: var(--gradient-primary);
    color: #000000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: var(--shadow-extra-large);
    z-index: var(--z-tooltip);
    transition: var(--transition);
    text-decoration: none;
    backdrop-filter: blur(15px);
    position: relative;
    overflow: hidden;
    animation: whatsapp-pulse 3s ease-in-out infinite;
}

@keyframes whatsapp-pulse {
    0%, 100% { 
        box-shadow: var(--shadow-extra-large);
    }
    50% { 
        box-shadow: var(--shadow-glow), 0 0 0 20px rgba(0, 200, 81, 0.1);
    }
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-warm);
    opacity: 0;
    transition: var(--transition);
    border-radius: 50%;
}

.whatsapp-float::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.15) rotate(15deg);
    box-shadow: var(--shadow-glow), 0 0 0 30px rgba(0, 200, 81, 0.2);
}

.whatsapp-float:hover::before {
    opacity: 1;
}

.whatsapp-float:hover::after {
    width: 100%;
    height: 100%;
}

.whatsapp-float i {
    position: relative;
    z-index: 3;
    transition: var(--transition);
}

.whatsapp-float:hover i {
    transform: scale(1.1);
}

/* Loading states premium */
.loading .submit-btn {
    background: linear-gradient(135deg, #333333, #444444);
    color: #888888;
    cursor: not-allowed;
    pointer-events: none;
}

.loading .submit-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid #888888;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: loading-spin 1s linear infinite;
}

@keyframes loading-spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsive ultra optimizado */
@media (max-width: 1024px) {
    :root {
        --space-xs: 0.4rem;
        --space-sm: 0.8rem;
        --space-md: 1.2rem;
        --space-lg: 1.6rem;
        --space-xl: 2.4rem;
        --space-2xl: 3.2rem;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .services-grid,
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--space-lg);
    }
    
    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-md);
    }
}

@media (max-width: 768px) {
    :root {
        --border-radius: 15px;
        --border-radius-large: 20px;
        --border-radius-small: 10px;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    /* Header mobile premium */
    nav {
        padding: var(--space-sm) 0;
        height: 70px;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .logo i {
        font-size: 1.3rem;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.98) !important;
        backdrop-filter: blur(25px) saturate(150%);
        flex-direction: column;
        box-shadow: var(--shadow-large);
        padding: var(--space-lg) 0;
        border: 1px solid rgba(0, 200, 81, 0.3);
        border-radius: 0 0 var(--border-radius) var(--border-radius);
        gap: 0;
    }

    .nav-links.active {
        display: flex;
        animation: mobile-menu-slide 0.3s ease-out;
    }

    @keyframes mobile-menu-slide {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        padding: var(--space-md) var(--space-lg);
        text-align: center;
        border-radius: 0;
        font-size: 1.05rem;
        margin: 0 var(--space-sm);
        border-radius: var(--border-radius-small);
    }

    .mobile-menu {
        display: flex;
    }

    .mobile-menu.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
        background: var(--gradient-accent);
    }

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

    .mobile-menu.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
        background: var(--gradient-accent);
    }

    .cta-button {
        display: none;
    }
    
    /* Hero mobile premium */
    .hero {
        padding: 120px 0 80px;
        min-height: 90vh;
    }

    .hero::before {
        background-size: 40px 40px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 320px;
        justify-content: center;
        padding: 16px 32px;
    }
    
    /* Tech grid mobile */
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-sm);
    }
    
    .tech-item {
        padding: var(--space-md) var(--space-xs);
    }
    
    .tech-item i {
        font-size: 2.2rem;
    }
    
    .tech-item div {
        font-size: 0.85rem;
    }
    
    /* Sections mobile */
    .services,
    .portfolio,
    .about,
    .contact,
    .stats-section {
        padding: 80px 0;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .about-image {
        height: 300px;
        font-size: 4rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-lg);
    }
    
    /* Modal mobile premium */
    .modal-content {
        width: 95%;
        margin: 5% auto;
        max-height: 85vh;
        border-radius: var(--border-radius);
    }

    .project-images {
        grid-template-columns: 1fr;
    }

    .modal-header {
        padding: var(--space-lg);
    }
    
    .modal-header h2 {
        font-size: 1.6rem;
    }

    .modal-body {
        padding: var(--space-lg);
    }
    
    /* Stats mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .stat-item {
        padding: var(--space-lg);
    }
    
    .stat-number {
        font-size: 2.8rem;
    }
    
    .whatsapp-float {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-card,
    .contact-form {
        padding: var(--space-lg);
    }

    .portfolio-content {
        padding: var(--space-lg);
    }
    
    .modal-header,
    .modal-body {
        padding: var(--space-md);
    }
    
    .modal-header h2 {
        font-size: 1.4rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 14px 28px;
        font-size: 1rem;
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
    }
}

/* Advanced accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero::before,
    .hero::after,
    .service-icon,
    .portfolio-image::before,
    .whatsapp-float {
        animation: none !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary-green: #00ff5e;
        --accent-cyan: #00ffff;
    }
    
    .service-card,
    .portfolio-item,
    .modal-content,
    .contact-item,
    .stat-item {
        border-width: 3px;
    }
    
    .section-title h2,
    .hero h1 {
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    }
}

/* Focus styles ultra premium */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 3px solid var(--primary-green);
    outline-offset: 3px;
    border-radius: 4px;
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--primary-green);
    outline-offset: 3px;
    box-shadow: 0 0 20px rgba(0, 200, 81, 0.5);
}

/* Dark theme enhancements */
::placeholder {
    color: #888888;
    font-weight: var(--font-weight-normal);
    opacity: 0.8;
}

::selection {
    background: rgba(0, 200, 81, 0.3);
    color: #ffffff;
    text-shadow: none;
}

::-moz-selection {
    background: rgba(0, 200, 81, 0.3);
    color: #ffffff;
    text-shadow: none;
}

option {
    background: var(--background-darker);
    color: #ffffff;
    font-weight: var(--font-weight-normal);
    padding: var(--space-xs);
}

/* Performance optimizations */
.service-card,
.portfolio-item,
.modal-content,
.tech-item,
.stat-item,
.contact-item {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Print styles */
@media print {
    .whatsapp-float,
    .modal,
    .mobile-menu,
    header {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero {
        padding: 20pt 0;
        page-break-after: always;
    }
    
    .service-card,
    .portfolio-item {
        break-inside: avoid;
        margin-bottom: 20pt;
    }
}
/* Reemplazar las reglas de modal existentes con estas versiones mejoradas */

/* Modal moderno con scroll interno */
.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(25px) saturate(150%);
    animation: modal-fade-in 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    /* SIN overflow aquí para que no aparezca scroll en los bordes */
    overflow: hidden;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.modal-content {
    background: linear-gradient(145deg, 
        rgba(17, 17, 17, 0.95), 
        rgba(26, 26, 26, 0.9));
    backdrop-filter: blur(30px) saturate(180%);
    border-radius: var(--border-radius-large);
    width: 90%;
    max-width: 1000px;
    max-height: 85vh; /* Altura máxima para que quepa en pantalla */
    border: 2px solid rgba(0, 200, 81, 0.3);
    box-shadow: var(--shadow-extra-large);
    position: relative;
    overflow: hidden; /* Ocultar overflow del contenedor principal */
    animation: modal-slide-up 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

/* Header del modal - NO sticky, se mueve con el scroll */
.modal-header {
    background: linear-gradient(135deg, 
        rgba(10, 10, 10, 0.95), 
        rgba(26, 26, 26, 0.9));
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0, 200, 81, 0.2);
    padding: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* REMOVER position: sticky para que se mueva con el scroll */
    position: relative;
    z-index: 10;
    border-radius: var(--border-radius-large) var(--border-radius-large) 0 0;
    flex-shrink: 0; /* No se comprime */
}

/* Body del modal con scroll interno */
.modal-body {
    padding: var(--space-xl);
    overflow-y: auto; /* SCROLL AQUÍ DENTRO del modal */
    overflow-x: hidden;
    flex: 1; /* Toma todo el espacio disponible */
    /* Personalizar scrollbar para que se vea moderna */
    scrollbar-width: thin;
    scrollbar-color: var(--primary-green) rgba(255, 255, 255, 0.1);
}

/* Scrollbar personalizada moderna para el modal body */
.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    border-radius: 3px;
    transition: all 0.3s ease;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--accent-cyan), var(--primary-green));
    box-shadow: 0 0 10px rgba(0, 200, 81, 0.5);
}

/* Mejorar el grid de imágenes */
.project-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.project-img {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #222222, #333333, #2a2a2a);
    border-radius: var(--border-radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cccccc;
    font-size: 1.1rem;
    font-weight: var(--font-weight-medium);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 200, 81, 0.2);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.project-img::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(0, 200, 81, 0.08) 25%, 
        transparent 25%, 
        transparent 75%, 
        rgba(0, 200, 81, 0.08) 75%);
    background-size: 20px 20px;
    opacity: 0.4;
    animation: project-pattern 8s linear infinite;
}

@keyframes project-pattern {
    0% { transform: translate(0, 0); }
    100% { transform: translate(20px, 20px); }
}

.project-img:hover {
    border-color: var(--primary-green);
    transform: scale(1.02);
    box-shadow: var(--shadow-primary);
    color: var(--primary-green);
}

/* Contenido del proyecto */
.project-details {
    color: #d0d0d0;
    line-height: 1.8;
    font-weight: var(--font-weight-normal);
    font-size: 1.05rem;
    letter-spacing: 0.01em;
}

.project-details h3 {
    color: var(--primary-green);
    margin: var(--space-xl) 0 var(--space-sm) 0;
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    letter-spacing: -0.01em;
    position: relative;
    padding-left: var(--space-sm);
}

.project-details h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.project-details h3:first-child {
    margin-top: 0;
}

.project-details ul {
    margin: var(--space-md) 0;
    padding-left: var(--space-lg);
}

.project-details li {
    margin-bottom: var(--space-sm);
    line-height: 1.7;
    position: relative;
}

.project-details li::marker {
    color: var(--primary-green);
}

.project-details strong {
    color: #ffffff;
    font-weight: var(--font-weight-semibold);
}

.project-details p {
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

/* Botón de cerrar moderno */
.modal-close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
    color: #cccccc;
    font-size: 1.4rem;
    font-weight: normal;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.modal-close::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    border-radius: 50%;
}

.modal-close:hover {
    color: #000000;
    transform: scale(1.1);
    border-color: var(--primary-green);
    box-shadow: 0 0 20px rgba(0, 200, 81, 0.3);
}

.modal-close:hover::before {
    opacity: 1;
}

.modal-close i {
    position: relative;
    z-index: 2;
}

/* Responsive */
@media (max-width: 768px) {
    .modal.show {
        padding: 10px;
    }
    
    .modal-content {
        width: 95%;
        max-height: 90vh;
        border-radius: var(--border-radius);
    }

    .project-images {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .project-img {
        height: 160px;
    }

    .modal-header {
        padding: var(--space-lg);
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }
    
    .modal-header h2 {
        font-size: 1.6rem;
    }

    .modal-body {
        padding: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .modal-content {
        max-height: 95vh;
    }
    
    .modal-header,
    .modal-body {
        padding: var(--space-md);
    }
    
    .modal-header h2 {
        font-size: 1.4rem;
    }
    
    .modal-close {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }
}

/* Animaciones mejoradas */
@keyframes modal-fade-in {
    from {
        opacity: 0;
        backdrop-filter: blur(0px);
    }
    to {
        opacity: 1;
        backdrop-filter: blur(25px) saturate(150%);
    }
}

@keyframes modal-slide-up {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Efectos especiales para el contenido */
.project-details h3 {
    background: linear-gradient(135deg, var(--primary-green), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Highlight para elementos importantes */
.project-details li strong {
    background: linear-gradient(135deg, rgba(0, 200, 81, 0.1), rgba(0, 212, 255, 0.1));
    padding: 2px 6px;
    border-radius: 4px;
    border-left: 2px solid var(--primary-green);
}

/* Estilos mejorados para imágenes del proyecto */
.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
    filter: brightness(0.9) contrast(1.1);
}

.project-img:hover img {
    transform: scale(1.05);
    filter: brightness(1) contrast(1.2);
}

.img-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.6) 50%,
        transparent 100%
    );
    color: #ffffff;
    padding: 20px 16px 16px;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    transform: translateY(100%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.project-img:hover .img-overlay {
    transform: translateY(0);
}

.project-img::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 200, 81, 0.2),
        transparent
    );
    transition: left 0.6s ease;
    z-index: 2;
}

.project-img:hover::before {
    left: 100%;
}

/* ===== Ajustes de layout en desktop “normal” (>= 992px) ===== */

/* Servicios: 4 en una sola fila */
@media (min-width: 992px){
  .services-grid{
    grid-template-columns: repeat(4, minmax(0,1fr)) !important;
    gap: var(--space-lg) !important; /* un poco menos que XL */
  }
}

/* Portfolio: 3 columnas (ideal para 6 proyectos) */
@media (min-width: 992px){
  .portfolio-grid{
    grid-template-columns: repeat(3, minmax(0,1fr)) !important;
  }
}

/* Tecnologías: 2 filas de 6 */
@media (min-width: 992px){
  .tech-grid{
    grid-template-columns: repeat(6, minmax(0,1fr)) !important;
    gap: var(--space-lg) !important;
    max-width: none !important; /* que no limite a 1200 si el contenedor es más chico */
  }
}

/* === Lightbox styles (inlined) === */
/* --- Minimal Lightbox CSS (safe defaults) --- */
.lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  inset: 0;
  background: rgba(0,0,0,0.95);
  opacity: 0;
  transition: opacity .3s ease;
  align-items: center;
  justify-content: center;
}
.lightbox.active { opacity: 1; }

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  animation: lb-zoom-in .25s ease-out;
}
@keyframes lb-zoom-in {
  from { transform: scale(.9); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.lightbox-image {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  transition: opacity .15s ease;
}

.lightbox-close,
.lightbox-nav {
  position: absolute;
  background: rgba(255,255,255,0.9);
  color: #333;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s ease, background .2s ease, opacity .2s ease;
}

.lightbox-close {
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  font-size: 20px;
}
.lightbox-close:hover { transform: scale(1.08); background: #fff; }

.lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  font-size: 18px;
  opacity: .85;
}
.lightbox-nav:hover { transform: translateY(-50%) scale(1.08); background: #fff; }

.lightbox-prev { left: -68px; }
.lightbox-next { right: -68px; }

.lightbox-counter {
  position: absolute;
  bottom: -48px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,0.92);
  color: #333;
  padding: 6px 14px;
  border-radius: 20px;
  font: 500 14px/1.2 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.lightbox-caption {
  position: absolute;
  bottom: -92px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  text-align: center;
  max-width: 600px;
  font: 500 16px/1.35 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

/* Mobile tweaks */
@media (max-width: 480px) {
  .lightbox-close {
    position: fixed; top: 16px; right: 16px;
  }
  .lightbox-prev, .lightbox-next {
    position: fixed; bottom: 18px; top: auto; transform: none;
    width: 44px; height: 44px;
  }
  .lightbox-prev { left: 18px; }
  .lightbox-next { right: 18px; }
  .lightbox-counter { bottom: 74px; }
  .lightbox-caption { bottom: 120px; font-size: 14px; padding: 0 10px; }
}
/* Lightbox sobre los modales */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none; /* se activa con JS */
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000; /* más alto que el modal (1050) */
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-extra-large);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: -40px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: #000;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-primary);
}