/* --- CYBER-DARK THEME --- */
:root {
    --bg-color: #0d0f12;
    --surface: #161b22;
    --accent: #00ff41; /* Terminal Green */
    --accent-dim: #008f11;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --border-color: #30363d;
    --glow: rgba(0, 255, 65, 0.1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Courier New', Courier, monospace;
    line-height: 1.6;
    padding: 20px 10% 50px;
}

/* --- HEADER & NAVIGATION --- */
header {
    border-left: 4px solid var(--accent);
    padding-left: 20px;
    margin: 40px 0;
}

h1 {
    font-size: 1.8rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
}

header p {
    color: var(--text-secondary);
    max-width: 850px;
    margin: 15px 0;
    font-size: 0.95rem;
}

nav {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

nav a {
    text-decoration: none;
    color: var(--accent);
    border: 1px solid var(--accent-dim);
    padding: 5px 15px;
    font-size: 0.8rem;
    transition: 0.3s;
}

nav a:hover, .cv-link {
    background: var(--accent-dim);
    color: white !important;
}

/* --- SECTION TITLES --- */
h2 {
    font-size: 1.2rem;
    color: var(--accent-dim);
    margin: 40px 0 20px;
    border-bottom: 1px solid var(--border-color);
    display: inline-block;
    padding-right: 50px;
}

/* --- THE GRID FIX (RESPONSIVE) --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

/* --- CARD STYLING --- */
.card, .cert-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    transition: 0.3s;
    display: flex;
    flex-direction: column;
}

.card:hover, .cert-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--glow);
    transform: translateY(-3px);
}

.card img, .cert-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
    opacity: 0.8;
}

.card:hover img {
    opacity: 1;
}

.card h3, .cert-card h3 {
    padding: 15px 15px 5px;
    font-size: 1rem;
    color: var(--accent);
}

.card p {
    padding: 0 15px 15px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* --- SPECIAL FIX FOR CERTS --- */
#certifications .grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

#certifications .cert-card img {
    height: 120px;
    object-fit: contain;
    background: #f0f0f0; /* Better visibility for logos */
    padding: 10px;
}

/* --- MOBILE OPTIMIZATION --- */
@media (max-width: 768px) {
    body {
        padding: 20px 5%;
    }
    
    h1 {
        font-size: 1.4rem;
    }

    .grid {
        grid-template-columns: 1fr; /* Stacks everything on phones */
    }
}