:root {
    --bg-color: #0d011f;
    --card-bg: rgba(255, 255, 255, 0.04);
    --text-main: #ffffff;
    --text-dim: #9ca3af;
    --border: rgba(255, 255, 255, 0.1);
    --accent-purple: #a78bfa;
    --accent-green: #34d399;
}

body.light-theme {
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-dim: #475569;
    --border: #e2e8f0;
    --accent-purple: #7c3aed;
    --accent-green: #059669;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    margin: 0;
}

.container { max-width: 1000px; margin: 0 auto; padding: 40px 20px; }

.glow { position: fixed; width: 400px; height: 400px; border-radius: 50%; filter: blur(150px); z-index: -1; opacity: 0.15; }
.glow-1 { top: -100px; right: -100px; background: var(--accent-purple); }
.glow-2 { bottom: -100px; left: -100px; background: #3b82f6; }

header { display: flex; justify-content: space-between; align-items: flex-start; padding-bottom: 30px; border-bottom: 1px solid var(--border); margin-bottom: 50px; flex-wrap: wrap; gap: 20px; }
h1 { font-size: 1.8rem; font-weight: 800; margin: 0; color: var(--text-main); }
.subtitle { color: var(--accent-purple); font-size: 1rem; margin: 5px 0; }
.location { color: var(--text-dim); font-size: 0.85rem; display: flex; align-items: center; gap: 5px; }

.contact-links { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-action { background: var(--card-bg); border: 1px solid var(--border); color: var(--text-main); padding: 8px 16px; border-radius: 10px; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; }

.github-btn { background: #24292e; color: white; border: none; }
.linkedin-btn { background: #0077b5; color: white; border: none; }
.btn-theme { background: var(--card-bg); border: 1px solid var(--border); color: var(--text-main); padding: 10px; border-radius: 12px; cursor: pointer; }

.welcome-section { text-align: center; margin-bottom: 40px; }
.award-tag { background: rgba(139, 92, 246, 0.1); border: 1px solid var(--accent-purple); color: var(--accent-purple); padding: 4px 12px; border-radius: 50px; font-size: 0.75rem; display: inline-flex; align-items: center; gap: 6px; margin-bottom: 15px; }

.mode-selector { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 40px; }
.mode-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 20px; padding: 25px; text-align: center; cursor: pointer; transition: 0.3s; }
.mode-card.active { transform: scale(1.02); }
#devBtn.active { border-color: var(--accent-purple); box-shadow: 0 0 20px rgba(139, 92, 246, 0.1); }
#itBtn.active { border-color: var(--accent-green); box-shadow: 0 0 20px rgba(16, 185, 129, 0.1); }

.icon-wrap { width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 15px; background: rgba(255,255,255,0.05); }
.dev-icon { color: var(--accent-purple); }
.it-icon { color: var(--accent-green); }

.section-block { background: var(--card-bg); border: 1px solid var(--border); border-radius: 18px; padding: 25px; margin-bottom: 20px; animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.section-block h2 { font-size: 1.2rem; margin-bottom: 15px; display: flex; align-items: center; gap: 10px; }
.badge { background: var(--card-bg); border: 1px solid var(--border); color: var(--text-main); padding: 4px 12px; border-radius: 8px; font-size: 0.8rem; margin: 4px; display: inline-block; }

.exp-item { margin-bottom: 20px; }
.achievement-card { padding: 12px; background: rgba(255,255,255,0.02); border-radius: 10px; border: 1px solid var(--border); margin-bottom: 10px; }