@import url('./_variables.css');

:root {
  --background-color: #fff;
  --text-color: #222;
  --header-bg: #fff;
}

html[data-theme="dark"] {
  --background-color: #0D1A26;
  --bg-color: #0D1A26;
  --text-color: #fff;
  --header-bg: #142438;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    background-color: var(--background-color, #0D1A26);
    line-height: 1.6;
    transition: var(--transition);
    background: var(--background-color, #0D1A26);
    color: var(--text-color, #222);
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 15px;
}

p {
    margin-bottom: 15px;
}

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

a:hover {
    color: var(--secondary-color);
}

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

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    color: #fff !important;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(29, 143, 242, 0.2);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 15px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    margin: 15px auto;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
}

/* ===== HEADER COMPLETAMENTE REWORKED ===== */

/* Header Principal */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-color);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    padding-top: env(safe-area-inset-top);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
}

html[data-theme="dark"] .header.scrolled {
    background: rgba(20, 36, 56, 0.95);
}

/* Container del Header */
.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.header-logo img {
    height: 65px;
    width: auto;
    transition: all 0.3s ease;
}

/* Navegación Desktop */
.desktop-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 40px;
}

.nav-list li a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

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

.nav-list li a:hover {
    color: var(--primary-color);
}

.nav-list li a:hover::after {
    width: 100%;
}

/* Controles Desktop */
.desktop-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Toggle de Tema */
.theme-toggle {
    position: relative;
}

.theme-switch {
    display: none;
}

.theme-label {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
    background: var(--bg-secondary);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.theme-label i {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    transition: all 0.3s ease;
    z-index: 2;
    pointer-events: none;
}

.theme-label .fa-sun {
    left: 8px;
    color: #f39c12;
    opacity: 1;
}

.theme-label .fa-moon {
    right: 8px;
    color: #f1c40f;
    opacity: 0;
}

.theme-ball {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 1;
}

.theme-switch:checked + .theme-label .theme-ball {
    transform: translateX(30px);
}

.theme-switch:checked + .theme-label .fa-sun {
    opacity: 0;
}

.theme-switch:checked + .theme-label .fa-moon {
    opacity: 1;
}

/* Toggle de Idioma */
.language-toggle {
    position: relative;
}

.language-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-color);
    font-size: 14px;
    font-weight: 500;
    min-width: 60px;
}

.language-btn i {
    font-size: 14px;
    transition: all 0.3s ease;
}

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

.language-btn:hover i {
    color: white;
}

.current-lang {
    font-weight: 600;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 5px;
}

.language-toggle.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.lang-option:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.lang-option .flag {
    font-size: 16px;
}

.lang-option:first-child {
    border-radius: 10px 10px 0 0;
}

.lang-option:last-child {
    border-radius: 0 0 10px 10px;
}

/* Botón Menú Móvil */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    flex-direction: column;
    gap: 4px;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-color);
    transition: all 0.3s ease;
    border-radius: 1px;
}

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

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

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

/* Menú Móvil */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    max-width: 80vw;
    height: 100vh;
    background: var(--bg-color);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    padding-top: env(safe-area-inset-top);
}

.mobile-menu.active {
    right: 0;
}

/* Header del Menú Móvil */
.mobile-menu-header {
    display: flex;
    justify-content: flex-end;
    padding: 11px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.mobile-menu-close:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

/* Navegación Móvil */
.mobile-nav {
    flex: 1;
    padding: 20px 0;
}

.mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-list li {
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav-list li:last-child {
    border-bottom: none;
}

.mobile-nav-list li a {
    display: block;
    padding: 20px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 18px;
    transition: all 0.3s ease;
}

.mobile-nav-list li a:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    padding-left: 30px;
}

/* Controles Móvil */
.mobile-controls {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-theme .theme-label {
    width: 80px;
    height: 40px;
}

.mobile-theme .theme-ball {
    width: 32px;
    height: 32px;
    top: 3px;
    left: 3px;
}

.mobile-theme .theme-switch:checked + .theme-label .theme-ball {
    transform: translateX(40px);
}

.mobile-language .language-btn {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 16px;
}

/* Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1999;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

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

/* Tablet */
@media (max-width: 1024px) {
    .header-container {
        padding: 0 15px;
    }
    
    .nav-list {
        gap: 30px;
    }
    
    .nav-list li a {
        font-size: 15px;
    }
}

/* Móvil */
@media (max-width: 768px) {
    .header-container {
        height: 85x;
        padding: 0 15px;
    }
    
    .header-logo img {
        height: 90px;
    }
    
    /* Ocultar navegación y controles desktop */
    .desktop-nav,
    .desktop-controls {
        display: none !important;
    }
    
    /* Mostrar botón móvil */
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Ajustar menú móvil */
    .mobile-menu {
        width: 280px;
    }
    
    .mobile-nav-list li a {
        padding: 18px 20px;
        font-size: 16px;
    }
    
    .mobile-controls {
        padding: 15px 20px;
        gap: 15px;
    }
}

/* Móvil Pequeño */
@media (max-width: 480px) {
    .header-container {
        padding: 0 10px;
    }
    
    .header-logo img {
        height: 50px;
    }
    
    .mobile-menu {
        width: 100vw;
        max-width: 100vw;
    }
    
    .mobile-nav-list li a {
        padding: 16px 20px;
        font-size: 15px;
    }
    
    .mobile-controls {
        padding: 10px 20px;
    }
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background-color: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-image {
    flex: 1;
    position: relative;
    min-height: 400px;
}

/* Dynamic Background */
.dynamic-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #61dafb);
    opacity: 0.1;
    animation: bgFloat 15s ease-in-out infinite;
}

.circle-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.circle-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 5s;
}

.circle-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 20%;
    animation-delay: 10s;
}

@keyframes bgFloat {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.1; }
    50% { transform: translateY(-15px) scale(1.1); opacity: 0.15; }
}

/* Glowing Tech Icons */
.tech-showcase {
    position: absolute;
    width: 100%;
    height: 100%;
}

.tech-icon-wrapper {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: iconFloat 12s ease-in-out infinite;
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary-color);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.tech-icon:hover {
    transform: scale(1.2);
    box-shadow: 0 0 30px var(--primary-color);
}

.tech-glow {
    position: absolute;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.3;
    border-radius: 50%;
    animation: glowPulse 6s ease-in-out infinite;
    z-index: 1;
}

.tech-particles span {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: particleFloat 4s linear infinite;
}

.tech-particles span:nth-child(1) { top: -10px; left: 50%; animation-delay: 0s; }
.tech-particles span:nth-child(2) { top: 50%; right: -10px; animation-delay: 1s; }
.tech-particles span:nth-child(3) { bottom: -10px; left: 50%; animation-delay: 2s; }

@keyframes particleFloat {
    0% { transform: translateY(0) scale(1); opacity: 1; }
    100% { transform: translateY(-50px) scale(0); opacity: 0; }
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(5deg); }
    50% { transform: translateY(-10px) rotate(-3deg); }
    75% { transform: translateY(-30px) rotate(2deg); }
}

.icon-1 { top: 20%; left: 20%; animation-delay: 0s; }
.icon-2 { top: 20%; right: 20%; animation-delay: 2s; }
.icon-3 { bottom: 20%; left: 20%; animation-delay: 4s; }
.icon-4 { bottom: 20%; right: 20%; animation-delay: 6s; }

/* Floating Elements */
.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.float-card {
    position: absolute;
    background: linear-gradient(135deg, rgba(29, 143, 242, 0.1), rgba(97, 218, 251, 0.1));
    border: 1px solid rgba(29, 143, 242, 0.3);
    border-radius: 15px;
    padding: 15px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
    animation: cardFloat 15s ease-in-out infinite;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(29, 143, 242, 0.2);
}

.float-card:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 35px rgba(29, 143, 242, 0.4);
    border-color: var(--primary-color);
}

.float-card i {
    font-size: 24px;
    color: var(--primary-color);
}

.float-card span {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-1 { top: 40%; left: 10%; animation-delay: 0s; }
.card-2 { top: 60%; right: 10%; animation-delay: 3s; }
.card-3 { bottom: 30%; left: 50%; animation-delay: 6s; }

@keyframes cardFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-25px) rotate(3deg); }
    50% { transform: translateY(-15px) rotate(-2deg); }
    75% { transform: translateY(-35px) rotate(1deg); }
}

/* Energy Lines */
.energy-lines {
    position: absolute;
    width: 100%;
    height: 100%;
}

.energy-line {
    position: absolute;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), #61dafb, transparent);
    border-radius: 2px;
    animation: energyFlow 10s linear infinite;
    box-shadow: 0 0 10px var(--primary-color);
}

.line-1 {
    top: 30%;
    left: 0;
    width: 200px;
    transform: rotate(45deg);
    animation-delay: 0s;
}

.line-2 {
    top: 50%;
    right: 0;
    width: 150px;
    transform: rotate(-30deg);
    animation-delay: 1.5s;
}

.line-3 {
    bottom: 40%;
    left: 0;
    width: 180px;
    transform: rotate(60deg);
    animation-delay: 3s;
}

.line-4 {
    top: 70%;
    right: 0;
    width: 120px;
    transform: rotate(-45deg);
    animation-delay: 4.5s;
}

@keyframes energyFlow {
    0% { opacity: 0; transform: scaleX(0) rotate(var(--rotation)); }
    50% { opacity: 1; transform: scaleX(1) rotate(var(--rotation)); }
    100% { opacity: 0; transform: scaleX(0) rotate(var(--rotation)); }
}

/* Pulse Rings */
.pulse-rings {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pulse-ring {
    position: absolute;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: pulseExpand 8s ease-out infinite;
}

.ring-1 {
    width: 100px;
    height: 100px;
    animation-delay: 0s;
}

.ring-2 {
    width: 100px;
    height: 100px;
    animation-delay: 1.3s;
}

.ring-3 {
    width: 100px;
    height: 100px;
    animation-delay: 2.6s;
}

@keyframes pulseExpand {
    0% {
        width: 100px;
        height: 100px;
        opacity: 1;
        border-color: var(--primary-color);
    }
    100% {
        width: 300px;
        height: 300px;
        opacity: 0;
        border-color: transparent;
    }
}

/* About Section */
.about-section {
    background-color: var(--bg-color);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.about-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.about-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background-color: rgba(29, 143, 242, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: var(--primary-color);
}

/* Services Section */
.services-section {
    background-color: var(--bg-color);
    padding: 100px 0;
    position: relative;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.service-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid transparent;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(29, 143, 242, 0.15);
    border-color: rgba(29, 143, 242, 0.2);
}

.service-card.featured {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(29, 143, 242, 0.05) 100%);
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.service-card.featured:hover {
    transform: translateY(-10px) scale(1.07);
    box-shadow: 0 25px 50px rgba(29, 143, 242, 0.2);
}

.service-badge {
    position: absolute;
    top: 7px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(29, 143, 242, 0.3);
}

.service-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, rgba(29, 143, 242, 0.1), rgba(97, 218, 251, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(29, 143, 242, 0.2), rgba(97, 218, 251, 0.2));
}

.icon-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .icon-glow {
    opacity: 0.1;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
    text-align: center;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 25px;
    text-align: center;
}

.service-features {
    list-style: none;
    margin-bottom: 30px;
}

.service-features li {
    padding: 8px 0;
    color: var(--text-color);
    position: relative;
    padding-left: 25px;
    font-size: 14px;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 16px;
}

.service-cta {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}



.service-cta .btn {
    padding: 10px 20px;
    font-size: 14px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.service-cta .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(29, 143, 242, 0.2);
}

.services-cta-section {
    margin-top: 80px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(29, 143, 242, 0.05) 100%);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.cta-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(29, 143, 242, 0.3);
}

/* Dark mode adjustments for services */
html[data-theme="dark"] .service-card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

html[data-theme="dark"] .service-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(29, 143, 242, 0.2);
}

html[data-theme="dark"] .service-card.featured {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(29, 143, 242, 0.1) 100%);
}

html[data-theme="dark"] .services-cta-section {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(29, 143, 242, 0.1) 100%);
    border-color: var(--border-color);
}

/* Portfolio Section */
.portfolio-section {
    background-color: var(--bg-secondary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.portfolio-item {
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    aspect-ratio: 16/10;
    min-height: 230px;
}

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

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 140px;
    background: linear-gradient(135deg, rgba(29, 143, 242, 0.95), rgba(13, 26, 38, 0.95));
    color: white;
    padding: 28px 32px;
    transform: translateY(100%);
    transition: var(--transition);
    text-align: left;
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.portfolio-overlay h3 {
    margin: 0 0 6px 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    line-height: 1.2;
}

.portfolio-overlay p {
    font-size: 0.85rem;
    line-height: 1.3;
    opacity: 0.9;
    margin: 0;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

.portfolio-overlay .view-project {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: white;
    text-decoration: none;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    transition: var(--transition);
    backdrop-filter: blur(5px);
    align-self: flex-start;
    margin-top: auto;
}

.portfolio-overlay .view-project:hover {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    color: #1D8FF2;
}

/* About Us Section */
.about-us-section {
    background-color: var(--bg-color);
}

.about-us-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-us-text {
    flex: 1;
}

.about-us-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.theme-image {
  transition: opacity 0.5s ease, transform 0.3s ease;
}

.about-us-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Efecto hover opcional */
.theme-image:hover {
  transform: scale(1.03);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin: 30px 0;
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
    background-color: var(--bg-secondary);
    border-radius: 10px;
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.value-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.technologies-section {
    margin-top: 50px;
}

.technologies-section h3 {
    text-align: center;
    margin-bottom: 30px;
}

.technologies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 20px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background-color: var(--bg-secondary);
    border-radius: 10px;
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    background: #f3f8fd;
}

.tech-item i {
    font-size: 40px;
    margin-bottom: 10px;
}

.tech-item:nth-child(1) i {
    color: #e34f26; /* HTML */
}

.tech-item:nth-child(2) i {
    color: #2965f1; /* CSS */
}

.tech-item:nth-child(3) i {
    color: #f7df1e; /* JS */
}

.tech-item:nth-child(4) i {
    color: #61dafb; /* React */
}

.tech-item:nth-child(5) i {
    color: #68a063; /* Node */
}

.tech-item:nth-child(6) i {
    color: #47a248; /* MongoDB */
}

.tech-item:nth-child(7) i {
    color: #06b6d4; /* Tailwind CSS */
}

.tech-item span {
    text-align: center;
    font-weight: 500;
    color: var(--text-color);
}

/* Contact Section */
.contact-section {
    background-color: var(--bg-secondary);
}

.contact-content {
    display: flex;
    gap: 50px;
    margin-top: 50px;
}

.contact-form {
    flex: 1;
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: transparent;
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--text-light);
    transition: var(--transition);
    pointer-events: none;
    background-color: var(--card-bg);
    padding: 0 5px;
}

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

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 10px;
    font-size: 12px;
    color: var(--primary-color);
}

.contact-info {
    flex: 1;
    padding: 40px;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contact-info h3 {
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.contact-info h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

.contact-info p {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.contact-info i {
    color: var(--primary-color);
    font-size: 20px;
    width: 20px;
    text-align: center;
}

.contact-info i:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    color: var(--text-color);
    transition: var(--transition);
    gap: 0;
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 20px;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--bg-color);
    border-radius: 10px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    border: none;
    color: var(--text-color);
    transition: var(--transition);
    z-index: 1;
}

.modal-close:hover {
    background-color: var(--primary-color);
    color: white;
}

.modal-body {
    display: flex;
    flex-direction: column;
    padding: 40px;
}

.modal-gallery {
    margin-bottom: 30px;
    position: relative;
}

/* Pestañas de galería */
.gallery-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

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

.tab-btn i {
    font-size: 16px;
}

/* Contenido de pestañas */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Contenedor de video */
.video-container {
    width: 100%;
    height: 500px;
    border-radius: 10px;
    overflow: hidden;
    background-color: var(--bg-secondary);
    position: relative;
}

.video-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.main-image {
    width: 100%;
    height: 500px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
    background-color: var(--bg-secondary);
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

/* Flechas de navegación */
.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: var(--transition);
    z-index: 10;
}

.gallery-nav:hover {
    background-color: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
}

.gallery-nav.prev {
    left: 20px;
}

.gallery-nav.next {
    right: 20px;
}

.gallery-nav:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.gallery-nav:disabled:hover {
    background-color: rgba(0, 0, 0, 0.7);
    transform: translateY(-50%);
}

.thumbnail-container {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    padding: 15px 0;
    justify-content: flex-start;
    flex-wrap: nowrap;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) transparent;
}

.thumbnail-container::-webkit-scrollbar {
    height: 6px;
}

.thumbnail-container::-webkit-scrollbar-track {
    background: transparent;
}

.thumbnail-container::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 3px;
}

.thumbnail-container::-webkit-scrollbar-thumb:hover {
    background-color: var(--primary-dark);
}

.thumbnail {
    width: 100px;
    height: 75px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition);
    flex-shrink: 0;
    border: 2px solid transparent;
}

.thumbnail:hover, .thumbnail.active {
    opacity: 1;
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-info {
    flex: 1;
}

.modal-tech {
    margin: 20px 0;
}

.tech-tags {
    display: none;
}

.tech-tag {
    display: none;
}

.tech-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    margin-top: 15px;
}

.tech-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px;
    border-radius: 8px;
    background-color: var(--bg-secondary);
    transition: var(--transition);
    min-width: 60px;
}

.tech-icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.tech-icon i {
    font-size: 24px;
    margin-bottom: 2px;
}

.tech-icon span {
    font-size: 11px;
    font-weight: 500;
    text-align: center;
    color: var(--text-color);
}

/* Colores específicos para cada tecnología */
.tech-icon.html i { color: #e34f26; }
.tech-icon.css i { color: #2965f1; }
.tech-icon.js i { color: #f7df1e; }
.tech-icon.react i { color: #61dafb; }
.tech-icon.node i { color: #68a063; }
.tech-icon.mongodb i { color: #47a248; }
.tech-icon.gsap i { color: #88ce02; }

.modal-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.thank-you-content {
    max-width: 500px;
    text-align: center;
    padding: 40px;
}

.thank-you-body i {
    font-size: 60px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.thank-you-body h2 {
    margin-bottom: 15px;
}

/* Footer */
.footer {
    background-color: var(--primary-dark);
    color: white;
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-about .logo {
    color: white;
    margin-bottom: 20px;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links h3,
.footer-contact h3 {
    color: white;
    margin-bottom: 25px;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after,
.footer-contact h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    align-items: center;
    margin-bottom: 15px;
}

.footer-contact i {
    margin-right: 0px;
    font-size: 20px;
    vertical-align: middle;
}

.footer .social-links a {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.footer .social-links a:hover {
    background-color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-bottom p {
    margin: 0;
}

.footer-bottom i {
    color: var(--primary-color);
}

html[data-theme="dark"] .header {
    background-color: rgba(13, 26, 38, 0.95); /* primary-dark con transparencia */
    border-bottom: 1px solid var(--border-color);
}


html[data-theme="dark"] .footer {
    background-color: var(--primary-dark);
}

html[data-theme="dark"] .about-card,
html[data-theme="dark"] .portfolio-item,
html[data-theme="dark"] .contact-form,
html[data-theme="dark"] .contact-info {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

html[data-theme="dark"] .form-group input,
html[data-theme="dark"] .form-group textarea {
    background-color: var(--card-bg) !important;
    border-color: var(--border-color) !important;
    color: var(--text-color) !important;
}

/* Forzar estilos para inputs específicos en modo oscuro */
html[data-theme="dark"] .form-group input[type="email"],
html[data-theme="dark"] .form-group input[type="text"],
html[data-theme="dark"] .form-group input[type="password"],
html[data-theme="dark"] .form-group input[type="tel"],
html[data-theme="dark"] .form-group input[type="url"],
html[data-theme="dark"] .form-group input[type="search"] {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
    border-color: var(--border-color) !important;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

html[data-theme="dark"] .portfolio-image img {
    background-color: transparent;
}

html[data-theme="dark"] .portfolio-item:hover .portfolio-overlay {
    background: linear-gradient(135deg, rgba(29, 143, 242, 0.9), rgba(5, 12, 20, 0.95));
    backdrop-filter: blur(8px);
    opacity: 1;
    visibility: visible;
}

html[data-theme="dark"] .btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--primary-dark); /* Texto oscuro sobre botón claro */
}

html[data-theme="dark"] .tech-item:hover,
html[data-theme="dark"] .value-item:hover {
    background-color: rgba(29, 143, 242, 0.15); /* primary-color con transparencia */
    border: 1px solid var(--primary-color);
}

html[data-theme="dark"] .portfolio-overlay .view-project {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

html[data-theme="dark"] .portfolio-overlay .view-project:hover {
    background: rgba(255, 255, 255, 0.5);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    color: #1D8FF2;
}

/* Animaciones */
.fade-in {
    animation: fadeIn 1s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

/* Responsive */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        margin-bottom: 50px;
    }
    
    .hero-image {
        min-height: 300px;
        width: 100%;
    }
    
    /* Responsive para animación del terminal */
    .terminal-window {
        width: 300px;
        height: 190px;
        top: 15px;
        right: 15px;
    }
    
    .code-element {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .code-snippet {
        font-size: 12px;
        padding: 12px;
    }
    
    .about-us-content {
        flex-direction: column;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .modal-body {
        flex-direction: column;
    }
    
    /* Services en tablets */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    .service-card {
        padding: 30px 25px;
    }
    .service-card.featured {
        transform: scale(1.02);
    }
    .service-card.featured:hover {
        transform: translateY(-10px) scale(1.04);
    }
    .services-cta-section {
        padding: 50px 30px;
    }
    .cta-content h3 {
        font-size: 1.8rem;
    }
    
    /* Portfolio en tablets */
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .portfolio-image {
        min-height: 240px;
    }
    
    .portfolio-overlay {
        height: 130px;
        padding: 18px 20px;
        backdrop-filter: blur(5px);
        opacity: 0;
        visibility: hidden;
    }
    
    .portfolio-overlay h3 {
        font-size: 1.1rem;
        margin: 0 0 5px 0;
    }
    
    .portfolio-overlay p {
        font-size: 0.8rem;
        line-height: 1.2;
    }
}

@media (max-width: 768px) {
    .header-container {
        height: 85px;
        padding: 0 15px;
    }
    
    .header-logo img {
        height: 90px;
    }
    
    /* Ocultar navegación y controles desktop */
    .desktop-nav,
    .desktop-controls {
        display: none !important;
    }
    
    /* Mostrar botón móvil */
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Ajustar menú móvil */
    .mobile-menu {
        width: 280px;
    }
    
    .mobile-nav-list li a {
        padding: 18px 20px;
        font-size: 16px;
    }
    
    .mobile-controls {
        padding: 15px 20px;
        gap: 15px;
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    /* Nueva animación responsive para pantallas pequeñas */
    .hero-image {
        height: 250px;
    }
    
    /* Tech icons mobile */
    .tech-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .tech-glow {
        width: 50px;
        height: 50px;
    }
    
    .icon-1 { top: 10%; left: 10%; }
    .icon-2 { top: 10%; right: 10%; }
    .icon-3 { bottom: 10%; left: 10%; }
    .icon-4 { bottom: 10%; right: 10%; }
    
    /* Floating cards mobile */
    .float-card {
        padding: 8px 12px;
    }
    
    .float-card i {
        font-size: 16px;
    }
    
    .float-card span {
        font-size: 9px;
    }
    
    /* Energy lines mobile */
    .line-1 { width: 80px; }
    .line-2 { width: 60px; }
    .line-3 { width: 70px; }
    .line-4 { width: 40px; }
    
    /* Pulse rings mobile */
    .ring-1, .ring-2, .ring-3 {
        width: 40px;
        height: 40px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 10px 25px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    /* Flechas de navegación en pantallas muy pequeñas */
    .gallery-nav {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    .gallery-nav.prev {
        left: 5px;
    }
    
    .gallery-nav.next {
        right: 5px;
    }
    
    .thumbnail {
        width: 70px;
        height: 52px;
    }
    
    .thumbnail-container {
        gap: 8px;
        padding: 8px 0;
    }
    
    /* Pestañas en pantallas muy pequeñas */
    .gallery-tabs {
        gap: 3px;
        margin-bottom: 10px;
    }
    
    .tab-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .tab-btn i {
        font-size: 14px;
    }
    
    .video-container {
        height: 250px;
    }
    
    /* Iconos de tecnologías en pantallas muy pequeñas */
    .tech-icons {
        gap: 8px;
    }
    
    .tech-icon {
        min-width: 45px;
        padding: 6px;
    }
    
    .tech-icon i {
        font-size: 18px;
    }
    
    .tech-icon span {
        font-size: 9px;
    }
    
    /* Portfolio en pantallas muy pequeñas */
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .portfolio-image {
        min-height: 200px;
    }
    
    .portfolio-overlay {
        height: 110px;
        padding: 15px;
        backdrop-filter: blur(5px);
        opacity: 0;
        visibility: hidden;
    }
    
    .portfolio-overlay h3 {
        font-size: 1rem;
        margin: 0 0 4px 0;
    }
    
    .portfolio-overlay p {
        font-size: 0.75rem;
        line-height: 1.2;
        margin: 0;
    }
    
    .portfolio-overlay .view-project {
        font-size: 0.75rem;
        padding: 5px 10px;
        backdrop-filter: blur(5px);
    }
}

.input-error {
    border-color: #e74c3c !important;
    background-color: #fff6f6;
}
.error-message {
    color: #e74c3c;
    font-size: 0.95rem;
    margin-top: 5px;
    margin-bottom: 0;
    padding-left: 2px;
}

/* Microinteracciones elegantes */

/* 1. Botones */
.btn {
  transition: transform 0.12s cubic-bezier(.4,2,.6,1), box-shadow 0.18s, background 0.18s, color 0.18s;
}
.btn:active {
  transform: scale(0.96);
  box-shadow: 0 2px 8px rgba(29,143,242,0.10);
}
.btn:hover {
  box-shadow: 0 6px 18px rgba(29,143,242,0.13);
}

/* 2. Enlaces de menú y footer */
.nav ul li a, .footer-links ul li a {
  position: relative;
  transition: color 0.18s;
}
.nav ul li a::after, .footer-links ul li a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 2px;
  background: var(--primary-color);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.25s cubic-bezier(.4,2,.6,1);
}
.nav ul li a:hover, .footer-links ul li a:hover {
  color: var(--primary-color);
}
.nav ul li a:hover::after, .footer-links ul li a:hover::after {
  transform: scaleX(1);
}

/* 3. Tarjetas de portafolio y valores */
.portfolio-item, .value-item, .about-card {
  transition: box-shadow 0.22s, transform 0.22s, background 0.22s;
}
.portfolio-item:hover, .value-item:hover, .about-card:hover {
  transform: translateY(-7px) scale(1.025);
  box-shadow: 0 12px 32px rgba(29,143,242,0.10);
  background: #f3f8fd;
}

/* 4. Inputs y formularios */
.form-group input, .form-group textarea {
  transition: border-color 0.18s, box-shadow 0.18s;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px #1d8ff233;
}

/* 5. Íconos sociales */
.social-links a {
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
}
.social-links a:hover {
  transform: scale(1.13) rotate(-6deg);
  box-shadow: 0 4px 16px rgba(29,143,242,0.13);
  background: #e6f0fa;
}

/* Dark mode adjustments for header controls */
html[data-theme="dark"] .theme-label {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

html[data-theme="dark"] .theme-label .fa-sun {
    color: #f39c12;
}

html[data-theme="dark"] .theme-label .fa-moon {
    color: #f1c40f;
}

html[data-theme="dark"] .language-btn {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-color);
}

html[data-theme="dark"] .language-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

html[data-theme="dark"] .language-dropdown {
    background: var(--card-bg);
    border-color: var(--border-color);
}

html[data-theme="dark"] .lang-option {
    color: var(--text-color);
}

html[data-theme="dark"] .lang-option:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

/* Estilos específicos para dropdown en móvil */
.mobile-language .language-dropdown {
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-100%);
    transition: all 0.3s ease;
    z-index: 2001;
    max-height: 200px;
    overflow-y: auto;
    padding: 10px 0;
    margin-bottom: 10px;
}

/* Mostrar dropdown cuando el contenedor tenga la clase active */
.mobile-language.active .language-dropdown {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(-100%) !important;
    display: block !important;
    background: var(--bg-color) !important;
    border: 2px solid var(--border-color) !important;
}

/* Estilos específicos para los botones de idioma en móvil */
.mobile-language .language-dropdown .lang-option {
    background: var(--bg-color);
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 500;
}

.mobile-language .language-dropdown .lang-option:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.mobile-language .language-dropdown .lang-option:last-child {
    border-bottom: none;
}

.mobile-language .language-dropdown .lang-option .flag {
    font-size: 18px;
    margin-right: 10px;
}

/* Dropdown de Idioma Móvil Independiente */
.mobile-language-dropdown-container {
    position: static;
    pointer-events: none;
}

.mobile-language-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: auto;
    padding: 10px 0;
    z-index: 1000;
    max-height: 180px;
    overflow-y: auto;
    min-width: 100%;
    width: max-content;
}

.mobile-language-dropdown.active {
    opacity: 1 !important;
    visibility: visible !important;
    background: var(--bg-color) !important;
    border: 2px solid var(--border-color) !important;
}

.mobile-language-dropdown .lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    width: 100%;
    border: none;
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 15px;
    font-weight: 500;
    text-align: left;
}

.mobile-language-dropdown .lang-option:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.mobile-language-dropdown .lang-option .flag {
    font-size: 18px;
}

.mobile-language-dropdown .lang-option span:not(.flag) {
    font-weight: 500;
}

/* Asegurar que el contenedor móvil tenga posición relativa */
.mobile-controls .language-toggle {
    position: relative;
}

/* Ajustar el botón de idioma móvil */
.mobile-language .language-btn {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 16px;
}

/* Asegurar que los iconos se muestren */
.theme-label i,
.language-btn i,
.mobile-menu-close i {
    display: inline-block !important;
    font-family: "Font Awesome 6 Free" !important;
    font-weight: 900 !important;
}

.theme-label .fa-sun::before {
    content: "\f185" !important;
}

.theme-label .fa-moon::before {
    content: "\f186" !important;
}

.language-btn .fa-globe::before {
    content: "\f0ac" !important;
}

.mobile-menu-close .fa-times::before {
    content: "\f00d" !important;
}

/* Eliminar media queries de glassmorphism y restaurar header original */
@media (min-width: 1025px) {
    .header {
        background: var(--bg-color);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    }
}

@media (max-width: 1024px) {
    .header {
        background: var(--bg-color);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    }
}

@media (max-width: 768px) {
  .main-image.expanded {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.05);
    width: 90vw;
    height: 70vw;
    max-width: 420px;
    max-height: 80vh;
    z-index: 3001;
    background: var(--bg-color);
    box-shadow: 0 8px 40px rgba(0,0,0,0.45);
    border-radius: 16px;
    animation: expandModalImg 0.25s cubic-bezier(.4,2,.6,1) both;
  }
  .modal-gallery-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.35); /* Más sutil */
    pointer-events: auto;
    transition: opacity 0.2s;
  }
  .main-image.expanded .gallery-nav {
    z-index: 3100;
  }
  .modal-gallery-close {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 3101;
    background: rgba(0,0,0,0.7);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
    transition: background 0.2s;
  }
  .modal-gallery-close:hover {
    background: var(--primary-color);
    color: #fff;
  }
}
@keyframes expandModalImg {
  from { transform: translate(-50%, -50%) scale(0.8); opacity: 0.7; }
  to { transform: translate(-50%, -50%) scale(1.05); opacity: 1; }
}

@media (max-width: 585px) {
  .tech-icon {
    border-width: 1px !important;
    padding: 6px !important;
    min-width: 80px;
    max-width: 80px;
    min-height: 60px;
    max-height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }
}

.contact-info i {
    margin-right: 10px;
    font-size: 20px;
    vertical-align: middle;
}

.footer-contact a {
    display: flex;
    align-items: center;
    gap: 0;
}

html[data-theme="dark"] .about-card:hover {
    background: #1a2b44 !important;
    color: var(--text-color) !important;
    box-shadow: 0 15px 30px rgba(29, 143, 242, 0.13);
}

/* Glow azul para imágenes del portafolio */
.portfolio-grid .portfolio-item img {
  border: 3px solid #fff;
  box-shadow: 0 0 12px 2px #2563eb55, 0 4px 24px rgba(20,36,56,0.12);
  border-radius: 14px;
  background: #fff;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.portfolio-grid .portfolio-item img:hover {
  box-shadow: 0 0 20px 4px #2563eb99, 0 8px 32px rgba(20,36,56,0.18);
}

@media (max-width: 859px) {
  .portfolio-image {
    aspect-ratio: unset;
    min-height: 140px;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-secondary), #fff0 80%);
  }
  .portfolio-image img {
    object-fit: contain;
    max-height: 220px;
    width: 100%;
    height: auto;
    background: transparent;
  }
}

/* Mejorar controles móviles: theme-switch-mobile y language-btn-mobile */
@media (max-width: 768px) {
  .mobile-controls {
    padding: 24px 20px;
    gap: 24px;
    min-height: 90px;
    padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 24px);
  }
  .mobile-theme .theme-label,
  .mobile-language .language-btn {
    height: 48px;
    min-height: 48px;
    font-size: 15px; /* Más pequeño */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 10px; /* Menos padding */
    border-radius: 12px;
  }
  .theme-label i,
  .language-btn i {
    font-size: 18px !important; /* Más pequeño */
    margin-right: 8px;
  }
  .mobile-menu {
    padding-top: calc(env(safe-area-inset-top, 0px) + 20px);
    padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 20px);
  }
}
@media (max-width: 480px) {
  .mobile-theme .theme-label,
  .mobile-language .language-btn {
    font-size: 16px;
    height: 48px;
    min-height: 48px;
  }
}

@media (max-width: 600px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .service-card {
    padding: 22px 12px;
  }
}

/* Fix autofill background in dark mode */
html[data-theme="dark"] .form-group input:-webkit-autofill,
html[data-theme="dark"] .form-group input:-webkit-autofill:focus,
html[data-theme="dark"] .form-group input:-webkit-autofill:hover,
html[data-theme="dark"] .form-group input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 1000px var(--card-bg) inset !important;
    box-shadow: 0 0 0 1000px var(--card-bg) inset !important;
    -webkit-text-fill-color: var(--text-color) !important;
    color: var(--text-color) !important;
    border-color: var(--border-color) !important;
    transition: background-color 5000s ease-in-out 0s;
}

@media (max-width: 600px) {
  .form-group input,
  .form-group textarea {
    font-size: 16px !important;
  }
}

/* Fix hamburger lines in dark mode */
html[data-theme="dark"] .hamburger-line {
    background: #ffffff !important;
}

html[data-theme="dark"] .mobile-menu-toggle.active .hamburger-line {
    background: #ffffff !important;
}

/* Reservar espacio para el h1 y botones críticos para evitar layout shifts */
.hero-title {
  min-height: 2.5em;
}

.btn, .tab-btn, .language-btn {
  min-height: 44px;
  min-width: 78px;
}