/* Main Styles for Fanpech Website */

/* Variables */
:root {
    /* Colors */
    --primary-color: #00F5FF;
    --secondary-color: #9D00FF;
    --accent-color: #00FFA3;
    --dark-color: #000000;
    --light-color: #FFFFFF;
    --gray-color: #333333;
    --gray-light-color: #555555;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-dark: linear-gradient(135deg, #111111, #000000);
    --gradient-glow: linear-gradient(135deg, rgba(0, 245, 255, 0.8), rgba(157, 0, 255, 0.8));
    
    /* Shadows */
    --shadow-small: 0 2px 10px rgba(0, 245, 255, 0.2);
    --shadow-medium: 0 4px 20px rgba(0, 245, 255, 0.3);
    --shadow-large: 0 8px 30px rgba(0, 245, 255, 0.4);
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
}

/* Global Styles */
body {
    background-color: var(--dark-color);
    color: var(--light-color);
    overflow-x: hidden;
}

.section-header {
    text-align: center;
    margin-bottom: 6rem;
    position: relative;
}

.section-title {
    font-size: 4.2rem;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 10rem;
    height: 0.3rem;
    background: var(--gradient-primary);
    border-radius: 0.5rem;
}

.section-subtitle {
    font-size: 1.8rem;
    color: var(--primary-color);
    max-width: 60rem;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    border-radius: 5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: var(--transition-fast);
}

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

.btn-primary {
    color: var(--dark-color);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-large);
}

.btn-primary:hover::before {
    transform: scale(1.1);
    opacity: 0.9;
}

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

.btn-secondary::before {
    opacity: 0;
}

.btn-secondary:hover {
    color: var(--dark-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary:hover::before {
    opacity: 1;
}

.btn-text {
    color: var(--primary-color);
    font-weight: 600;
    position: relative;
    padding-bottom: 0.5rem;
}

.btn-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

.btn-text:hover::after {
    width: 100%;
}

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--dark-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loader-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 8rem;
    font-weight: 900;
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(0, 245, 255, 0.7);
    margin-bottom: 2rem;
    position: relative;
    animation: pulse 2s infinite;
}

.loader-lines {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.loader-lines span {
    width: 3rem;
    height: 0.3rem;
    background-color: var(--primary-color);
    border-radius: 0.5rem;
    animation: loader-lines 1.5s infinite ease-in-out;
}

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

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

@keyframes loader-lines {
    0% {
        transform: scaleX(1);
        opacity: 1;
    }
    50% {
        transform: scaleX(0.3);
        opacity: 0.5;
    }
    100% {
        transform: scaleX(1);
        opacity: 1;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 0;
    z-index: 100;
    transition: var(--transition-fast);
}

.header.scrolled {
    background-color: rgba(0, 0, 0, 0.9);
    padding: 1rem 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}

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

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 245, 255, 0.5);
}

.nav-list {
    display: flex;
    gap: 3rem;
}

.nav-link {
    font-size: 1.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

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

.menu-toggle {
    display: none;
    cursor: pointer;
}

.hamburger {
    width: 3rem;
    height: 2.4rem;
    position: relative;
}

.hamburger span {
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition-fast);
}

.hamburger span:nth-child(1) {
    top: 0;
}

.hamburger span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger span:nth-child(3) {
    bottom: 0;
}

.menu-toggle.active .hamburger span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

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

.menu-toggle.active .hamburger span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 80rem;
}

.hero h1 {
    font-size: 6rem;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 2rem;
    line-height: 1.2;
    position: relative;
}

.glitch-text {
    position: relative;
    color: var(--light-color);
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.glitch-text::before {
    color: var(--primary-color);
    z-index: -1;
    animation: glitch-animation 3s infinite linear alternate-reverse;
}

.glitch-text::after {
    color: var(--secondary-color);
    z-index: -2;
    animation: glitch-animation 2s infinite linear alternate-reverse;
}

@keyframes glitch-animation {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translate(-3px, 3px);
    }
    40% {
        transform: translate(-3px, -3px);
    }
    60% {
        transform: translate(3px, 3px);
    }
    80% {
        transform: translate(3px, -3px);
    }
    100% {
        transform: translate(0);
    }
}

.hero-subtitle {
    font-size: 2.4rem;
    margin-bottom: 4rem;
    color: var(--primary-color);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

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

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.7));
}

.scroll-indicator {
    position: absolute;
    bottom: 5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
    animation: bounce 2s infinite;
}

.mouse {
    width: 3rem;
    height: 5rem;
    border: 2px solid var(--primary-color);
    border-radius: 2rem;
    position: relative;
    margin-bottom: 1rem;
}

.wheel {
    width: 0.6rem;
    height: 0.6rem;
    background-color: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    animation: wheel 2s infinite;
}

.arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.arrow span {
    display: block;
    width: 1rem;
    height: 1rem;
    border-bottom: 2px solid var(--primary-color);
    border-right: 2px solid var(--primary-color);
    transform: rotate(45deg);
}

@keyframes wheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(1.5rem);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-1rem);
    }
    60% {
        transform: translateX(-50%) translateY(-0.5rem);
    }
}

/* About Section */
.about {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 245, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 6rem;
    margin-bottom: 8rem;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 3.2rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.about-image {
    flex: 1;
    position: relative;
}

.image-container {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-large);
    transform: perspective(1000px) rotateY(-15deg);
    transition: var(--transition-medium);
}

.image-container:hover {
    transform: perspective(1000px) rotateY(0);
}

.image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.2), rgba(157, 0, 255, 0.2));
    z-index: 1;
}

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

.timeline {
    position: relative;
    max-width: 100rem;
    margin: 0 auto;
    padding: 4rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0.4rem;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 0.2rem;
}

.timeline-item {
    position: relative;
    margin-bottom: 6rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: attr(data-year);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--dark-color);
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    font-weight: 700;
    z-index: 1;
}

.timeline-content {
    position: relative;
    width: 45%;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 1rem;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 245, 255, 0.2);
}

.timeline-item:nth-child(odd) .timeline-content {
    left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
    left: 55%;
}

.timeline-content h3 {
    font-size: 2.4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Services Section */
.services {
    background-color: var(--dark-color);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(157, 0, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.services-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 5rem;
}

.filter-btn {
    padding: 1rem 2rem;
    background: transparent;
    color: var(--light-color);
    border: 1px solid var(--primary-color);
    border-radius: 3rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--dark-color);
    box-shadow: var(--shadow-medium);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(30rem, 1fr));
    gap: 3rem;
}

.service-card {
    height: 30rem;
    perspective: 1000px;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.service-card:hover .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 1rem;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 245, 255, 0.2);
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
}

.card-front {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.6));
}

.card-back {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.7));
    transform: rotateY(180deg);
}

.service-icon {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.service-card h3 {
    font-size: 2.4rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.card-back p {
    margin-bottom: 2rem;
    font-size: 1.6rem;
}

/* Technology Section */
.technology {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.technology::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 255, 163, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.tech-showcase {
    display: flex;
    flex-wrap: wrap;
    gap: 5rem;
}

.tech-diagram {
    flex: 1;
    min-width: 30rem;
}

.diagram-container {
    position: relative;
    width: 100%;
    height: 50rem;
}

.diagram-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10rem;
    height: 10rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--dark-color);
    z-index: 2;
    box-shadow: 0 0 30px rgba(0, 245, 255, 0.8);
}

.pulse-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: transparent;
    border: 2px solid var(--primary-color);
    animation: pulse-circle 2s infinite;
}

@keyframes pulse-circle {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

.diagram-nodes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.diagram-node {
    position: absolute;
    width: 8rem;
    height: 8rem;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid var(--primary-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.5);
}

.diagram-node:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(0, 245, 255, 0.8);
}

.diagram-node[data-node="ai"] {
    top: 10%;
    left: 20%;
}

.diagram-node[data-node="iot"] {
    top: 20%;
    right: 15%;
}

.diagram-node[data-node="cloud"] {
    bottom: 15%;
    right: 20%;
}

.diagram-node[data-node="data"] {
    bottom: 20%;
    left: 15%;
}

.diagram-node[data-node="security"] {
    top: 50%;
    right: 5%;
}

.node-icon {
    font-size: 2.4rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.node-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--light-color);
}

.diagram-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.connections-svg {
    width: 100%;
    height: 100%;
}

.tech-info {
    flex: 1;
    min-width: 30rem;
}

.tech-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 1rem 2rem;
    background: transparent;
    color: var(--light-color);
    border: 1px solid var(--primary-color);
    border-radius: 3rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--gradient-primary);
    color: var(--dark-color);
    box-shadow: var(--shadow-medium);
}

.tab-content {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 1rem;
    padding: 3rem;
    border: 1px solid rgba(0, 245, 255, 0.2);
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
}

.tab-pane {
    display: none;
}

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

.tab-pane h3 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.tab-pane p {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.tech-features {
    list-style: none;
}

.tech-features li {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 1rem;
    font-size: 1.6rem;
}

.tech-features li::before {
    content: '';
    position: absolute;
    top: 0.8rem;
    left: 0;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--primary-color);
    border-radius: 50%;
}

/* Clients Section */
.clients {
    background-color: var(--dark-color);
    position: relative;
}

.clients::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(157, 0, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.clients-carousel {
    margin-bottom: 8rem;
    overflow: hidden;
}

.client-logos {
    display: flex;
    gap: 5rem;
    animation: scroll 30s linear infinite;
}

.client-logo {
    flex: 0 0 15rem;
    height: 8rem;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    border: 1px solid rgba(0, 245, 255, 0.2);
    box-shadow: var(--shadow-small);
    transition: var(--transition-fast);
}

.client-logo:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-15rem * 6 - 5rem * 6));
    }
}

.testimonials {
    max-width: 80rem;
    margin: 0 auto;
}

.testimonial-slider {
    position: relative;
    overflow: hidden;
    margin-bottom: 3rem;
}

.testimonial-slide {
    display: none;
}

.testimonial-slide.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.testimonial-content {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 1rem;
    padding: 3rem;
    border: 1px solid rgba(0, 245, 255, 0.2);
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
}

.testimonial-text {
    font-size: 1.8rem;
    font-style: italic;
    margin-bottom: 2rem;
    position: relative;
}

.testimonial-text::before {
    content: '"';
    font-size: 6rem;
    color: var(--primary-color);
    opacity: 0.3;
    position: absolute;
    top: -3rem;
    left: -1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.author-image {
    width: 6rem;
    height: 6rem;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--primary-color);
}

.author-info h4 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.author-info p {
    font-size: 1.4rem;
    color: var(--gray-light-color);
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.testimonial-prev,
.testimonial-next {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-fast);
}

.testimonial-prev:hover,
.testimonial-next:hover {
    background: var(--gradient-primary);
    color: var(--dark-color);
    box-shadow: var(--shadow-medium);
}

.testimonial-dots {
    display: flex;
    gap: 1rem;
}

.dot {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background-color: var(--gray-light-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

/* Contact Section */
.contact {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 245, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 5rem;
    margin-bottom: 5rem;
}

.contact-info {
    flex: 1;
    min-width: 30rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 3rem;
}

.info-icon {
    width: 5rem;
    height: 5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: var(--dark-color);
    box-shadow: var(--shadow-medium);
}

.info-text h3 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.info-text p {
    font-size: 1.8rem;
}

.social-links {
    display: flex;
    gap: 2rem;
    margin-top: 4rem;
}

.social-link {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--dark-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.contact-form {
    flex: 1;
    min-width: 30rem;
}

.form-group {
    margin-bottom: 2.5rem;
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.5rem 2rem;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 245, 255, 0.2);
    border-radius: 0.5rem;
    color: var(--light-color);
    font-size: 1.6rem;
    transition: var(--transition-fast);
}

.form-group textarea {
    min-height: 15rem;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 245, 255, 0.3);
}

.input-focus-effect {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.form-group input:focus ~ .input-focus-effect,
.form-group textarea:focus ~ .input-focus-effect {
    width: 100%;
}

.map-container {
    height: 40rem;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-large);
    border: 1px solid rgba(0, 245, 255, 0.2);
}

#map {
    width: 100%;
    height: 100%;
    background-color: var(--gray-color);
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    padding: 8rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0.5rem;
    background: var(--gradient-primary);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 5rem;
    margin-bottom: 5rem;
}

.footer-logo {
    flex: 1;
    min-width: 25rem;
}

.footer-logo .logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.6rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 2rem;
    display: block;
}

.footer-logo p {
    font-size: 1.8rem;
    max-width: 30rem;
}

.footer-links {
    flex: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 5rem;
}

.footer-column {
    flex: 1;
    min-width: 20rem;
}

.footer-column h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 5rem;
    height: 2px;
    background: var(--gradient-primary);
}

.footer-column ul li {
    margin-bottom: 1rem;
}

.footer-column ul li a {
    font-size: 1.6rem;
    transition: var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 1.4rem;
    color: var(--gray-light-color);
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 6rem;
    height: 6rem;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    color: var(--light-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 99;
    transition: var(--transition-fast);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 5rem;
    height: 5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: var(--dark-color);
    box-shadow: var(--shadow-medium);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
}

/* Media Queries */
@media screen and (max-width: 1200px) {
    html {
        font-size: 58%;
    }
}

@media screen and (max-width: 992px) {
    html {
        font-size: 56%;
    }
    
    .about-content {
        flex-direction: column;
        gap: 4rem;
    }
    
    .timeline-content {
        width: 80%;
        left: 10% !important;
    }
    
    .timeline::before {
        left: 10%;
    }
    
    .timeline-item::before {
        left: 10%;
    }
    
    .tech-showcase {
        flex-direction: column;
    }
}

@media screen and (max-width: 768px) {
    html {
        font-size: 54%;
    }
    
    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition-medium);
        z-index: 99;
    }
    
    .nav-list.active {
        right: 0;
    }
    
    .menu-toggle {
        display: block;
        z-index: 100;
    }
    
    .hero h1 {
        font-size: 4.5rem;
    }
    
    .hero-subtitle {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 3.6rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fill, minmax(25rem, 1fr));
    }
}

@media screen and (max-width: 576px) {
    html {
        font-size: 52%;
    }
    
    .hero h1 {
        font-size: 3.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .btn-secondary {
        margin-left: 0;
    }
    
    .timeline-content {
        width: 90%;
        left: 5% !important;
    }
    
    .timeline::before {
        left: 5%;
    }
    
    .timeline-item::before {
        left: 5%;
    }
    
    .services-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 4rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 3rem;
    }
}