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

:root {
    --primary: #0066cc;
    --primary-dark: #004c99;
    --accent: #00d4ff;
    --dark: #0a1628;
    --dark-light: #1a2642;
    --text: #e0e6ed;
    --text-muted: #8b95a5;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--dark) 0%, #0d1b2a 100%);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 212, 255, 0.1);
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

nav a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

nav a:hover {
    color: var(--accent);
}

section {
    padding: 100px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero {
    text-align: center;
    position: relative;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
}

.hero .subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero .tagline {
    font-size: 1.2rem;
    color: var(--text);
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.btn {
    padding: 15px 35px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
}

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

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

.btn-secondary:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    text-align: center;
    background: linear-gradient(135deg, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.skill-tag {
    background: var(--dark-light);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s;
}

.skill-tag:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.2);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--dark-light);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.3s;
}

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

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.project-card h3 {
    color: var(--accent);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.project-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent);
    padding: 5px 12px;
    border-radius: 5px;
    font-size: 0.85rem;
}

.project-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.project-link:hover {
    color: var(--accent);
}

.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    text-decoration: none;
    padding: 15px 25px;
    background: var(--dark-light);
    border-radius: 8px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s;
}

.contact-item:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.2);
}

footer {
    text-align: center;
    padding: 30px 0;
    background: var(--dark);
    color: var(--text-muted);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

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

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        display: none;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}