:root {
    --primary-color: #00d4ff;
    --secondary-color: #ff006b;
    --dark-bg: #0a0a0a;
    --dark-secondary: #151515;
    --dark-tertiary: #1f1f1f;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --border-color: #2a2a2a;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-dark: linear-gradient(135deg, var(--dark-bg), var(--dark-secondary));
    --shadow-primary: 0 10px 40px rgba(0, 212, 255, 0.2);
    --shadow-dark: 0 10px 40px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Navigation Styles */
.navbar {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    text-decoration: none;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23333" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    z-index: 2;
}

.code-window {
    background: var(--dark-tertiary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-dark);
    overflow: hidden;
}

.window-controls {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--dark-secondary);
    border-bottom: 1px solid var(--border-color);
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.red { background: #ff5f56; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #27ca3f; }

.code-content {
    padding: 1.5rem;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
}

.code-line {
    margin-bottom: 0.5rem;
}

.keyword { color: #ff7b72; }
.class-name { color: #7ee787; }
.function { color: #d2a8ff; }
.param { color: #ffa657; }
.string { color: #a5d6ff; }

/* Section Styles */
.section-padding {
    padding: 80px 0;
}

.bg-dark-secondary {
    background: var(--dark-secondary);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 3rem;
}

/* About Section */
.about-content h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.about-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.about-stats {
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

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

.tech-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 2rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: var(--dark-tertiary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.tech-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.tech-item span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Services Section */
.service-card {
    background: var(--dark-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

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

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 1.5rem;
    color: white;
}

.service-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

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

/* Contact Section */
.contact-info {
    background: var(--dark-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-icon i {
    color: white;
    font-size: 1.2rem;
}

.contact-details h5 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

.cta-card {
    background: var(--dark-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cta-benefits {
    margin: 2rem 0;
    text-align: left;
}

.benefit-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.benefit-item i {
    margin-right: 0.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Button Styles */
.btn {
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
    color: white;
}

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

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

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

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

/* Footer */
.footer {
    background: var(--dark-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 2rem;
    text-align: center;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-address {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.footer-social {
    margin-bottom: 2rem;
}

.social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--dark-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 0.5rem;
    line-height: 38px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-fade-in {
    animation: fadeIn 0.8s ease-out;
}

.animate-slide-in {
    animation: slideIn 0.8s ease-out;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .tech-stack {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .tech-stack {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 576px) {
    .section-padding {
        padding: 60px 0;
    }
    
    .service-card,
    .contact-info,
    .cta-card {
        margin-bottom: 2rem;
    }
}

/* Scroll Animation */
@media (prefers-reduced-motion: no-preference) {
    .scroll-animate {
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.6s ease-out;
    }
    
    .scroll-animate.in-view {
        opacity: 1;
        transform: translateY(0);
    }
}