/* Variables for easy color changes */
:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --accent-color: #3b82f6;
    --secondary-text: #94a3b8;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

header {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.logo-placeholder {
    width: 80px;
    height: 80px;
    border: 3px solid var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 2rem;
    margin-bottom: 20px;
    border-radius: 12px;
}

h1 { font-size: 3rem; margin: 0; }
p.subtitle { color: var(--secondary-text); font-size: 1.2rem; }

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 20px;
}

section { margin-bottom: 60px; }

.project-card {
    background: #1e293b;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

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

footer {
    text-align: center;
    padding: 40px;
    color: var(--secondary-text);
    border-top: 1px solid #1e293b;
}