/* ============================================
   VAROXOR - Main Styles
   ============================================ */

/* Variables */
:root {
    /* Colors */
    --primary-color: #00d4ff;
    --secondary-color: #ff00ff;
    --accent-color: #00ff88;
    --dark-bg: #0a0a0a;
    --dark-secondary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-neon: linear-gradient(135deg, #00d4ff 0%, #ff00ff 50%, #00ff88 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0a 0%, #1a1a1a 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   BACKGROUND EFFECTS
   ============================================ */

#particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: var(--dark-bg);
}

.gradient-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, var(--dark-bg) 100%);
    z-index: -1;
    opacity: 0.7;
}

/* ============================================
   GLASSMORPHISM COMPONENTS
   ============================================ */

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-medium);
}

.navbar.scrolled {
    padding: 0.75rem 0;
    background: rgba(10, 10, 10, 0.95);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--accent-color);
    animation: pulse 2s infinite;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-neon);
    transition: var(--transition-medium);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

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

/* ============================================
   BUTTONS
   ============================================ */

.btn-primary {
    background: var(--gradient-neon);
    color: var(--dark-bg);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-medium);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-medium);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.btn-glass-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-medium);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-glass-outline:hover {
    background: var(--glass-bg);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-text {
    z-index: 1;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    animation: slideInLeft 1s ease;
}

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

.text-outline {
    color: transparent;
    -webkit-text-stroke: 2px var(--text-primary);
    text-stroke: 2px var(--text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    animation: slideInLeft 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    animation: slideInLeft 1s ease 0.4s both;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.6s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

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

.floating-card {
    position: absolute;
    width: 150px;
    height: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
    top: 0;
    left: 20%;
}

.floating-card:nth-child(2) {
    top: 30%;
    right: 10%;
}

.floating-card:nth-child(3) {
    bottom: 20%;
    left: 30%;
}

.card-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--primary-color), transparent);
    opacity: 0.3;
    filter: blur(30px);
    animation: pulse 3s infinite;
}

.card-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.card-content i {
    font-size: 2rem;
    color: var(--primary-color);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-secondary);
    border-bottom: 2px solid var(--text-secondary);
    transform: rotate(45deg);
}

/* ============================================
   SECTIONS
   ============================================ */

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

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

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

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

.about-card {
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-medium);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-neon);
    border-radius: 20px;
    position: relative;
}

.card-icon i {
    font-size: 2rem;
    color: var(--dark-bg);
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.about-card p {
    color: var(--text-secondary);
}

/* ============================================
   SERVICES SECTION
   ============================================ */

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

.service-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--spacing-lg);
    overflow: hidden;
    transition: var(--transition-medium);
    cursor: pointer;
}

.service-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top left, rgba(0, 212, 255, 0.1), transparent);
    opacity: 0;
    transition: var(--transition-medium);
}

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

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.service-content {
    position: relative;
    z-index: 1;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.service-card ul {
    list-style: none;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.service-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.btn-service {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-medium);
}

.btn-service:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */

.portfolio-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tab-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--gradient-neon);
    color: var(--dark-bg);
    border-color: transparent;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.portfolio-item {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-medium);
}

.portfolio-item:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.portfolio-cta {
    text-align: center;
}

/* ============================================
   PROCESS SECTION
   ============================================ */

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-neon);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-neon);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-bg);
    position: relative;
    z-index: 1;
}

.timeline-content {
    flex: 1;
    padding: var(--spacing-md);
}

.timeline-content h3 {
    margin-bottom: var(--spacing-sm);
}

.timeline-content p {
    color: var(--text-secondary);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    padding: var(--spacing-lg);
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
}

.form-group label {
    position: absolute;
    left: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-group textarea + label {
    top: var(--spacing-sm);
    transform: translateY(0);
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group select:focus + label,
.form-group select:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -10px;
    left: 10px;
    font-size: 0.875rem;
    background: var(--dark-bg);
    padding: 0 5px;
    color: var(--primary-color);
}

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

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

.info-card {
    padding: var(--spacing-md);
    text-align: center;
}

.info-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.info-card h3 {
    margin-bottom: var(--spacing-xs);
}

.info-card p {
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    transition: var(--transition-fast);
}

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

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--dark-secondary);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand p {
    color: var(--text-secondary);
}

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

.footer-column h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    padding: 0.25rem 0;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

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

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

/* ============================================
   MEDIA QUERIES
   ============================================ */

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: var(--dark-secondary);
        flex-direction: column;
        padding: var(--spacing-lg);
        transition: var(--transition-medium);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hero-title {
        font-size: clamp(2rem, 6vw, 4rem);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .process-timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column !important;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .services-grid,
    .portfolio-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-tabs {
        flex-wrap: wrap;
    }
}