:root {
    --bg-primary: #0a0f1d;
    --bg-secondary: #0f172a;
    --accent-green: #4ecca3;
    --accent-blue: #3b82f6;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(at 0% 0%, rgba(78, 204, 163, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.1) 0px, transparent 50%);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.6;
    padding: 40px 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

/* --- HEADER SECTION --- */
header {
    text-align: center;
    margin-bottom: 50px;
}

.profile-badge {
    background: rgba(78, 204, 163, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(78, 204, 163, 0.3);
    padding: 6px 16px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 0.75rem;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.profile-badge .pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-green);
    animation: pulse 2s infinite;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 40%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--accent-blue);
    font-weight: 500;
    margin-bottom: 15px;
}

.tagline {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 25px auto;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-links a {
    color: var(--text-muted);
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-green);
    transform: translateY(-3px);
}

/* --- CORE GRID LAYOUT --- */
.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 20px;
}

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

/* --- GLASS CARD DESIGN --- */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: translateY(-2px);
}

h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #ffffff;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 10px;
}

h2 i {
    color: var(--accent-green);
}

/* --- FEATURED PROJECT BANNER --- */
.featured-banner {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 41, 59, 0.5) 100%);
    border-left: 4px solid var(--accent-green);
}

.project-meta {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.tech-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.tech-pill.highlight {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--accent-blue);
}

.launch-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent-green);
    color: var(--bg-primary);
    font-weight: 700;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    margin-top: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(78, 204, 163, 0.3);
}

.launch-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(78, 204, 163, 0.5);
    background: #5fedbe;
}

/* --- TECHNICAL SKILLS --- */
.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.skill-item i {
    color: var(--accent-blue);
}

/* --- OTHER LABS LINKS --- */
.lab-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    margin-bottom: 10px;
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.2s ease;
}

.lab-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-blue);
    padding-left: 18px;
}

.lab-info h4 { font-size: 0.95rem; font-weight: 600; }
.lab-info p { font-size: 0.8rem; color: var(--text-muted); }
.lab-item i { color: var(--text-muted); transition: color 0.2s ease; }
.lab-item:hover i { color: var(--accent-blue); }

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(78, 204, 163, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(78, 204, 163, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(78, 204, 163, 0); }
}