:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-main: #e0e0e0;
    --text-muted: #a0a0a0;
    --accent: #00ffcc; /* Cyan Axolotl */
    --accent-hover: #00cca3;
}

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

/* --- HERO SECTION --- */
header {
    min-height: 90vh; /* Changed to min-height for mobile safety */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    background: radial-gradient(circle at center, #1e2524 0%, #121212 70%);
}

h1 {
    font-size: 4rem;
    margin: 0;
    letter-spacing: -2px;
    line-height: 1.1;
}

h2 {
    font-size: 2.5rem;
    margin: 10px 0;
    font-weight: 400;
    color: var(--text-main);
}

.accent { color: var(--accent); }

hr {
    border: 0;
    height: 1px;
    background: #333;
    width: 100px;
    margin: 20px 0;
}

.tagline {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-top: 5px;
    max-width: 600px;
}

.tech-stack {
    color: #666;
    margin-top: 10px;
    font-family: monospace;
    font-size: 1rem;
}

.cta-button {
    margin-top: 40px;
    padding: 12px 30px;
    border: 2px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
    transition: 0.3s;
}

.cta-button:hover {
    background: var(--accent);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--accent);
}

/* --- CONTAINER --- */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 80px 20px;
}

/* --- PROJECTS GRID --- */
.section-title { 
    border-left: 4px solid var(--accent); 
    padding-left: 15px; 
    margin-bottom: 30px; 
    font-size: 2rem;
    color: white;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    transition: transform 0.2s;
    border: 1px solid #333;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.card h3 { margin-top: 0; color: white; }
.card p { color: var(--text-muted); font-size: 0.95rem; }

.tags { margin-top: 15px; display: flex; gap: 10px; flex-wrap: wrap; }
.tag {
    font-size: 0.8rem;
    background: #2a2a2a;
    padding: 4px 10px;
    border-radius: 4px;
    color: var(--accent);
}

/* --- FOOTER --- */
footer {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid #333;
    margin-top: 40px;
}

a { color: var(--text-main); text-decoration: none; }