:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --primary-color: #38bdf8;
    --accent-color: #0ea5e9;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

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

.nav-links a:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.hero-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10rem 2rem 6rem 2rem;
    min-height: 85vh;
}

.hero-content {
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.highlight {
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: #0f172a;
    text-decoration: none;
    font-weight: 600;
    border-radius: 8px;
    transition: background-color 0.3s, transform 0.2s;
}

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

.hero-image img {
    width: 450px;
    height: 450px;
    object-fit: cover;
    border-radius: 24px;
    border: 4px solid rgba(56, 189, 248, 0.1);
}

.about-section, .projects-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 50px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.about-container {
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.about-text p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-badge {
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-card h3 {
    padding: 1.5rem 1.5rem 0.5rem 1.5rem;
    font-size: 1.3rem;
}

.project-card p {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.contact-section {
    background-color: var(--card-bg);
    padding: 5rem 2rem 3rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-section p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.contact-info {
    margin-bottom: 2.5rem;
}

.info-item {
    font-size: 1.1rem;
    margin: 0.8rem 0;
    color: var(--text-color);
}

.info-item i {
    color: var(--primary-color);
    margin-right: 10px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.social-links a {
    color: var(--text-muted);
    font-size: 1.8rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--primary-color);
}

.copyright {
    font-size: 0.85rem;
    color: rgba(148, 163, 184, 0.5) !important;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-color);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        padding: 1rem 0;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 1rem 0;
        text-align: center;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-section {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 7rem;
    }
    
    .hero-image img {
        width: 280px;
        height: 280px;
        margin-bottom: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
}