:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #60a5fa;
    --bg: #020617;
    --card-bg: rgba(15, 23, 42, 0.7);
    --text: #f1f5f9;
    --text-dim: #94a3b8;
    --border: rgba(59, 130, 246, 0.2);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    background-image: 
        linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.85)),
        url('windows.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

header {
    text-align: center;
    margin-bottom: 5rem;
}

.profile-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    margin: 0 auto 1.5rem;
    padding: 3px;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
}

.profile-circle img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg);
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #fff, var(--text-dim));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--primary);
    font-weight: 500;
}

section {
    margin-bottom: 5rem;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

h2::after {
    content: '';
    height: 1px;
    flex: 1;
    background: var(--border);
}

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

.about-text strong {
    color: var(--text);
}

.skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
}

.skill-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 1.5rem 1rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
}

.skill-item:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    background: rgba(99, 102, 241, 0.1);
}

.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.project-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.4);
}

.project-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--secondary);
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: block;
}

.project-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.project-card p {
    color: var(--text-dim);
    margin-bottom: 1.5rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    border-radius: 10px;
    transition: background 0.3s ease;
}

.project-link:hover {
    background: var(--primary-dark);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    list-style: none;
}

.contact-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

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

footer {
    text-align: center;
    padding: 4rem 0;
    color: var(--text-dim);
    font-size: 0.9rem;
    border-top: 1px solid var(--border);
}

@media (min-width: 768px) {
    .project-grid {
        grid-template-columns: 1fr 1fr;
    }
    .project-card.featured {
        grid-column: span 2;
    }
}