/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Futuristic Color Palette */
    --primary-bg: #0B1426;
    --secondary-bg: #1A2332;
    --accent-bg: #2A3441;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --text-primary: #FFFFFF;
    --text-secondary: #E5E7EB;
    --text-muted: #9CA3AF;
    
    --accent-cyan: #00D4FF;
    --accent-purple: #8B5CF6;
    --accent-lime: #32D74B;
    --neon-glow: #00FFFF;
    
    --gradient-primary: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-lime) 100%);
    --gradient-text: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 50%, var(--accent-lime) 100%);
    
    /* Shadows & Glows */
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-neon: 0 0 20px var(--neon-glow);
    --glow-cyan: 0 0 30px rgba(0, 212, 255, 0.5);
    --glow-purple: 0 0 30px rgba(139, 92, 246, 0.5);
    
    /* Typography */
    --font-primary: 'Orbitron', monospace;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* ===== PARTICLE BACKGROUND ===== */
#particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(50, 215, 75, 0.05) 0%, transparent 50%);
    animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

/* ===== GLASSMORPHISM UTILITIES ===== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-glass);
}

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

.highlight-text {
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
}

/* ===== NAVIGATION ===== */
.nav-glass {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 20, 38, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-medium);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-container {
    position: relative;
}

.logo-glow {
    position: relative;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

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

.nav-link:hover {
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan);
}

.nav-link:hover::before {
    left: 0;
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--accent-cyan);
    border-radius: 2px;
    transition: all var(--transition-medium);
}

/* ===== HERO SECTION ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: 
        radial-gradient(ellipse at center, rgba(0, 212, 255, 0.1) 0%, transparent 70%),
        var(--primary-bg);
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(139, 92, 246, 0.05) 50%, transparent 70%);
    animation: heroOverlay 15s ease-in-out infinite;
}

@keyframes heroOverlay {
    0%, 100% { opacity: 0.5; transform: rotate(0deg); }
    50% { opacity: 0.8; transform: rotate(180deg); }
}

.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.1;
    animation: floatShape 20s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

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

.shape-3 {
    width: 80px;
    height: 80px;
    bottom: 30%;
    left: 20%;
    animation-delay: 10s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    top: 40%;
    right: 30%;
    animation-delay: 15s;
}

@keyframes floatShape {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(20px) rotate(240deg); }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-greeting {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.greeting-name {
    font-weight: 600;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.title-line {
    display: block;
    animation: slideInLeft 1s ease-out;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.title-line:nth-child(3) {
    animation-delay: 0.4s;
}

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

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    animation: fadeInUp 1s ease-out 0.8s both;
}

.cta-primary, .cta-secondary {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    border: none;
}

.cta-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--glow-cyan);
}

.cta-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.6);
}

.cta-secondary {
    background: transparent;
    color: var(--accent-cyan);
    border: 2px solid var(--accent-cyan);
}

.cta-secondary:hover {
    background: var(--accent-cyan);
    color: var(--primary-bg);
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan);
}

.cta-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all var(--transition-slow);
}

.cta-primary:hover .cta-glow {
    left: 100%;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.4s both;
}

.hologram-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.hologram-ring {
    position: absolute;
    border: 2px solid var(--accent-cyan);
    border-radius: 50%;
    animation: rotateRing 20s linear infinite;
}

.ring-1 {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.3;
}

.ring-2 {
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
    opacity: 0.5;
    animation-direction: reverse;
    animation-duration: 15s;
}

.ring-3 {
    width: 40%;
    height: 40%;
    top: 30%;
    left: 30%;
    opacity: 0.7;
    animation-duration: 10s;
}

.hologram-core {
    position: absolute;
    width: 20%;
    height: 20%;
    top: 40%;
    left: 40%;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: var(--glow-cyan);
    animation: pulse 3s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
}

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

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    animation: fadeInUp 1s ease-out 1s both;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--gradient-primary);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.5); }
}

.scroll-text {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== SECTIONS ===== */
.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xxl) var(--spacing-lg);
}

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

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.title-accent {
    color: var(--text-secondary);
    display: block;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== SERVICES SECTION ===== */
.services-section {
    background: var(--secondary-bg);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: all var(--transition-medium);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--glow-cyan);
    border-color: var(--accent-cyan);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: all var(--transition-medium);
    z-index: -1;
}

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

.card-content {
    position: relative;
    z-index: 2;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-medium);
}

.service-icon i {
    font-size: 2rem;
    color: var(--text-primary);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--glow-cyan);
}

.service-number {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent-cyan);
    opacity: 0.3;
}

.service-title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.service-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--accent-cyan);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--accent-cyan);
    transition: all var(--transition-medium);
}

.tech-tag:hover {
    background: var(--accent-cyan);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio-section {
    background: var(--primary-bg);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xxl);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-medium);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--gradient-primary);
    border-color: var(--accent-cyan);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan);
}

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

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

.portfolio-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--glow-purple);
}

.portfolio-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.image-placeholder i {
    font-size: 4rem;
    color: var(--text-primary);
    opacity: 0.7;
}

.portfolio-item:hover .image-placeholder {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(11, 20, 38, 0.95));
    padding: var(--spacing-lg);
    transform: translateY(100%);
    transition: all var(--transition-medium);
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-title {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.portfolio-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.portfolio-tech {
    display: flex;
    gap: var(--spacing-sm);
}

.portfolio-tech span {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid var(--accent-purple);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--accent-purple);
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background: var(--secondary-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-medium);
}

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

.stat-number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

/* Tech Orbit */
.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.orbit-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-cyan);
    animation: pulse 3s ease-in-out infinite;
}

.orbit-center i {
    font-size: 2rem;
    color: var(--text-primary);
}

.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-radius: 50%;
    animation: rotateRing 30s linear infinite;
}

.ring-1 {
    width: 250px;
    height: 250px;
    margin: -125px 0 0 -125px;
}

.ring-2 {
    width: 350px;
    height: 350px;
    margin: -175px 0 0 -175px;
    animation-direction: reverse;
    animation-duration: 40s;
}

.orbit-item {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
    cursor: pointer;
}

.orbit-item:hover {
    background: var(--gradient-primary);
    transform: scale(1.2);
    box-shadow: var(--glow-cyan);
}

.orbit-item i {
    font-size: 1.5rem;
    color: var(--accent-cyan);
}

.orbit-item:hover i {
    color: var(--text-primary);
}

/* Position orbit items */
.ring-1 .orbit-item:nth-child(1) { top: -25px; left: calc(50% - 25px); }
.ring-1 .orbit-item:nth-child(2) { top: calc(50% - 25px); right: -25px; }
.ring-1 .orbit-item:nth-child(3) { bottom: -25px; left: calc(50% - 25px); }

.ring-2 .orbit-item:nth-child(1) { top: -25px; left: calc(50% - 25px); }
.ring-2 .orbit-item:nth-child(2) { top: calc(50% - 25px); right: -25px; }
.ring-2 .orbit-item:nth-child(3) { bottom: -25px; left: calc(50% - 25px); }

/* ===== CONTACT SECTION ===== */
.contact-section {
    background: var(--primary-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.contact-form-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

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

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md) 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--glass-border);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-medium);
    outline: none;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group label {
    position: absolute;
    top: var(--spacing-md);
    left: 0;
    color: var(--text-muted);
    transition: all var(--transition-medium);
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -10px;
    font-size: 0.8rem;
    color: var(--accent-cyan);
}

.form-group input:focus,
.form-group textarea:focus {
    border-bottom-color: var(--accent-cyan);
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--transition-medium);
}

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

.form-submit {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    margin-top: var(--spacing-md);
}

.form-submit:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow-cyan);
}

.submit-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all var(--transition-slow);
}

.form-submit:hover .submit-glow {
    left: 100%;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-medium);
}

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

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.contact-details h3 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
    margin: 0;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--secondary-bg);
    border-top: 1px solid var(--glass-border);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-logo {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--text-muted);
    margin: 0;
}

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

.footer-column h4 {
    font-family: var(--font-primary);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-column ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-medium);
}

.footer-column ul li a:hover {
    color: var(--accent-cyan);
    transform: translateX(5px);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    text-decoration: none;
    transition: all var(--transition-medium);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--text-primary);
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--glow-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(11, 20, 38, 0.95);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--glass-border);
        flex-direction: column;
        padding: var(--spacing-lg);
        transform: translateY(-100%);
        transition: all var(--transition-medium);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .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);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .portfolio-filter {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .section-container {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .cta-primary, .cta-secondary {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .contact-form-container {
        padding: var(--spacing-lg);
    }
    
    .hologram-container {
        width: 300px;
        height: 300px;
    }
    
    .tech-orbit {
        width: 300px;
        height: 300px;
    }
}
/* neue 
*/
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(11, 20, 38, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-lg);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
    }
    
    .nav-toggle span {
        display: block;
        height: 3px;
        width: 100%;
        background-color: var(--accent-cyan);
        border-radius: 2px;
        transition: all 0.3s ease;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}