/* ============================================
   Red de Obras Integrales - Estilos CSS
   Diseño tecnológico y moderno
   ============================================ */

/* Variables CSS - Tech Theme */
:root {
    /* Colores principales - Tech */
    --primary-tech: #0ea5e9;        /* Cyan brillante */
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --accent-tech: #10b981;         /* Verde tech */
    --accent-dark: #059669;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #0ea5e9 0%, #10b981 100%);
    --gradient-3: linear-gradient(135deg, #667eea 0%, #0ea5e9 100%);
    
    /* Colores de fondo - Dark Mode */
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: #1e293b;
    --bg-glass: rgba(30, 41, 59, 0.5);
    --bg-light: #f8fafc;
    
    /* Colores de texto */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dark: #1e293b;
    
    /* Efectos */
    --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.5);
    --shadow-tech: 0 10px 40px rgba(0, 0, 0, 0.3);
    --border-tech: 1px solid rgba(148, 163, 184, 0.1);
    
    /* Fuentes */
    --font-tech: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    
    /* Transiciones */
    --transition-tech: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-tech);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-darker);
    position: relative;
    overflow-x: hidden;
}

/* Animated Background */
.tech-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--bg-darker);
    overflow: hidden;
}

.tech-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 10s linear infinite;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-particles::before,
.floating-particles::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 20s infinite;
}

.floating-particles::before {
    background: var(--primary-tech);
    top: 10%;
    left: 10%;
}

.floating-particles::after {
    background: var(--accent-tech);
    bottom: 10%;
    right: 10%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.9); }
    75% { transform: translate(-50px, -30px) scale(1.05); }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

.gradient-text {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Preloader Tech */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-darker);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease-out;
}

.tech-loader {
    text-align: center;
}

.loader-dots {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

.loader-dots span {
    width: 15px;
    height: 15px;
    background: var(--primary-tech);
    border-radius: 50%;
    animation: pulse-dot 1.5s infinite;
}

.loader-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loader-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes pulse-dot {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

#preloader p {
    color: var(--text-secondary);
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.9rem;
}

/* Navigation Tech */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: var(--border-tech);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition-tech);
}

.navbar.scrolled {
    padding: 0.75rem 0;
    background: rgba(15, 23, 42, 0.95);
}

.logo-tech {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    box-shadow: var(--shadow-glow);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-acronym {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.brand-full {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 35px;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition-tech);
    position: relative;
}

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

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

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

.btn-gradient {
    background: var(--gradient-2);
    color: white !important;
    padding: 10px 24px;
    border-radius: 10px;
    box-shadow: var(--shadow-glow);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(14, 165, 233, 0.4);
}

/* Hero Tech Section */
.hero-tech {
    min-height: 100vh;
    padding: 140px 0 80px;
    position: relative;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: var(--border-tech);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 20px;
    color: var(--primary-tech);
    font-size: 0.9rem;
    font-weight: 600;
}

.hero-title {
    color: var(--text-primary);
    margin-bottom: 25px;
    font-weight: 900;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 35px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Buttons Tech */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition-tech);
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-size: 1rem;
}

.btn-glass {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(148, 163, 184, 0.2);
    color: var(--text-primary);
}

.btn-glass:hover {
    background: rgba(148, 163, 184, 0.1);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 36px;
}

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

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.tech-animation {
    width: 400px;
    height: 400px;
    position: relative;
}

.orbit-container {
    width: 100%;
    height: 100%;
    position: relative;
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.orbit {
    position: absolute;
    border: 1px dashed rgba(14, 165, 233, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orbit-1 {
    width: 100%;
    height: 100%;
}

.orbit-2 {
    width: 75%;
    height: 75%;
    top: 12.5%;
    left: 12.5%;
    animation-direction: reverse;
}

.orbit-3 {
    width: 50%;
    height: 50%;
    top: 25%;
    left: 25%;
}

.satellite {
    position: absolute;
    width: 40px;
    height: 40px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: var(--shadow-glow);
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
}

.center-globe {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--gradient-3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    box-shadow: 0 0 40px rgba(14, 165, 233, 0.5);
}

/* Hero Stats Tech */
.hero-stats-tech {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.stat-item {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: var(--border-tech);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition-tech);
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-tech);
    box-shadow: var(--shadow-glow);
}

.stat-item i {
    font-size: 2rem;
    color: var(--primary-tech);
    margin-bottom: 10px;
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-primary);
    font-family: var(--font-display);
}

.stat-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Sections */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: var(--border-tech);
    padding: 6px 20px;
    border-radius: 50px;
    color: var(--primary-tech);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.section-title {
    color: var(--text-primary);
    margin-bottom: 15px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* About Tech Section */
.about-tech {
    background: linear-gradient(to bottom, transparent, rgba(14, 165, 233, 0.02), transparent);
}

.about-content-tech {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.company-card {
    background: var(--bg-card);
    border: var(--border-tech);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.company-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-2);
}

.company-card h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
}

.company-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
}

.tech-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.spec-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: var(--border-tech);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-tech);
}

.spec-info {
    display: flex;
    flex-direction: column;
}

.spec-label {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.spec-value {
    color: var(--text-primary);
    font-weight: 600;
}

.status-active {
    color: var(--accent-tech);
}

.about-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.tech-feature {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: var(--border-tech);
    padding: 30px;
    border-radius: 15px;
    transition: var(--transition-tech);
}

.tech-feature:hover {
    transform: translateY(-5px);
    border-color: var(--primary-tech);
    box-shadow: var(--shadow-glow);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.feature-header i {
    font-size: 1.5rem;
    color: var(--primary-tech);
}

.feature-header h4 {
    color: var(--text-primary);
    margin: 0;
}

.tech-feature p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Services Tech Section */
.services-tech {
    background: rgba(30, 41, 59, 0.3);
}

.services-tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-tech-card {
    background: var(--bg-card);
    border: var(--border-tech);
    border-radius: 20px;
    padding: 35px;
    position: relative;
    transition: var(--transition-tech);
    overflow: hidden;
}

.service-tech-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(16, 185, 129, 0.1));
}

.service-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary-tech), transparent);
    opacity: 0;
    transition: var(--transition-tech);
    pointer-events: none;
}

.service-tech-card:hover .service-glow {
    opacity: 0.05;
}

.service-tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-tech);
}

.service-icon-tech {
    width: 60px;
    height: 60px;
    background: var(--gradient-2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.service-content h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
}

.service-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-list {
    list-style: none;
}

.service-list li {
    color: var(--text-secondary);
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-list i {
    color: var(--accent-tech);
}

.service-percentage-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: var(--border-tech);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary-tech);
}

/* Technology Section */
.technology {
    background: linear-gradient(to bottom, transparent, rgba(102, 126, 234, 0.02), transparent);
}

.tech-stack {
    display: grid;
    gap: 40px;
}

.tech-category {
    background: var(--bg-card);
    border: var(--border-tech);
    border-radius: 20px;
    padding: 35px;
}

.tech-category h3 {
    color: var(--text-primary);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tech-category h3 i {
    color: var(--primary-tech);
}

.tech-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
}

.tech-item {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: var(--border-tech);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-tech);
    cursor: pointer;
}

.tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-tech);
    box-shadow: var(--shadow-glow);
}

.tech-item i {
    font-size: 2rem;
    color: var(--primary-tech);
    margin-bottom: 10px;
    display: block;
}

.tech-item span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Location Tech Section */
.location-tech {
    background: rgba(30, 41, 59, 0.3);
}

.location-content-tech {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.location-card {
    background: var(--bg-card);
    border: var(--border-tech);
    border-radius: 20px;
    padding: 40px;
}

.location-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.location-header i {
    font-size: 2rem;
    color: var(--primary-tech);
}

.location-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.location-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.detail-item {
    display: flex;
    gap: 20px;
}

.detail-item i {
    color: var(--primary-tech);
    font-size: 1.3rem;
    width: 30px;
    text-align: center;
}

.detail-item strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.detail-item address,
.detail-item span,
.detail-item a {
    color: var(--text-secondary);
    font-style: normal;
}

.detail-item a:hover {
    color: var(--primary-tech);
}

.location-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.map-container-tech {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: var(--border-tech);
}

.tech-map {
    width: 100%;
    height: 500px;
    background: var(--bg-card);
}

.map-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.pulse-marker {
    width: 20px;
    height: 20px;
    background: var(--primary-tech);
    border-radius: 50%;
    position: relative;
}

.pulse-marker::before,
.pulse-marker::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--primary-tech);
    animation: pulse-ring 2s infinite;
}

.pulse-marker::after {
    animation-delay: 1s;
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(3);
        opacity: 0;
    }
}

/* Contact Tech Section */
.contact-tech {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(14, 165, 233, 0.05));
}

.contact-content-tech {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
}

.contact-form-tech {
    background: var(--bg-card);
    border: var(--border-tech);
    border-radius: 20px;
    padding: 40px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-bottom: 25px;
}

.form-group-tech {
    position: relative;
}

.form-group-tech.full-width {
    grid-column: span 2;
}

.form-group-tech label {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 10px;
}

.form-group-tech label i {
    color: var(--primary-tech);
    margin-right: 8px;
}

.form-group-tech input,
.form-group-tech select,
.form-group-tech textarea {
    width: 100%;
    padding: 14px 20px;
    background: var(--bg-glass);
    border: var(--border-tech);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-tech);
}

.form-group-tech input::placeholder,
.form-group-tech textarea::placeholder {
    color: var(--text-muted);
}

.form-group-tech input:focus,
.form-group-tech select:focus,
.form-group-tech textarea:focus {
    outline: none;
    border-color: var(--primary-tech);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

/* Contact Info Tech */
.contact-info-tech {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-card {
    background: var(--bg-card);
    border: var(--border-tech);
    border-radius: 20px;
    padding: 35px;
}

.info-card h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

.info-card p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.quick-contacts {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.quick-contact {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--bg-glass);
    border: var(--border-tech);
    border-radius: 10px;
    color: var(--text-secondary);
    transition: var(--transition-tech);
}

.quick-contact:hover {
    border-color: var(--primary-tech);
    color: var(--primary-tech);
    transform: translateX(5px);
}

.quick-contact i {
    font-size: 1.3rem;
    width: 30px;
    text-align: center;
}

.certifications-tech h4 {
    color: var(--text-primary);
    margin-bottom: 20px;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.cert-item {
    background: var(--bg-glass);
    border: var(--border-tech);
    padding: 15px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-tech);
}

.cert-item:hover {
    border-color: var(--primary-tech);
    transform: translateY(-2px);
}

.cert-item i {
    color: var(--accent-tech);
    font-size: 1.2rem;
}

.cert-item span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Footer Tech */
.footer-tech {
    background: var(--bg-darker);
    border-top: var(--border-tech);
    padding: 60px 0 20px;
}

.footer-content-tech {
    margin-bottom: 40px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
}

.footer-brand-tech {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--primary-tech);
}

.footer-logo span {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-brand-tech h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
}

.footer-brand-tech p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.social-links-tech {
    display: flex;
    gap: 15px;
}

.social-links-tech a {
    width: 40px;
    height: 40px;
    background: var(--bg-glass);
    border: var(--border-tech);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-tech);
}

.social-links-tech a:hover {
    background: var(--primary-tech);
    color: white;
    transform: translateY(-3px);
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-muted);
    transition: var(--transition-tech);
}

.footer-column a:hover {
    color: var(--primary-tech);
    transform: translateX(5px);
    display: inline-block;
}

.footer-bottom-tech {
    text-align: center;
    padding-top: 30px;
    border-top: var(--border-tech);
}

.footer-bottom-tech p {
    color: var(--text-muted);
    margin-bottom: 5px;
}

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

/* Back to Top Tech */
.back-to-top-tech {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-2);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-tech);
    z-index: 999;
    box-shadow: var(--shadow-glow);
}

.back-to-top-tech.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top-tech:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 5px 25px rgba(14, 165, 233, 0.5);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-tech);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content,
    .about-content-tech,
    .location-content-tech,
    .contact-content-tech {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        margin-top: 40px;
    }
    
    .service-tech-card.featured {
        grid-column: span 1;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
    
    .footer-links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--bg-darker);
        flex-direction: column;
        padding: 100px 30px 30px;
        transition: var(--transition-tech);
        border-left: var(--border-tech);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hero-stats-tech {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-animation {
        width: 300px;
        height: 300px;
    }
    
    .tech-specs,
    .about-features-grid {
        grid-template-columns: 1fr;
    }
    
    .services-tech-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group-tech.full-width {
        grid-column: span 1;
    }
    
    .footer-links-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links-tech {
        justify-content: center;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-stats-tech {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .tech-items {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Animations */
.fade-in-tech {
    animation: fadeInTech 1s ease-out;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-tech);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}