:root {
  --bg-color: #0c0e14;
  --bg-alt: #131722;
  --card-bg: rgba(22, 27, 39, 0.75);
  --card-border: rgba(255, 255, 255, 0.08);
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --accent-primary: #38bdf8;
  --accent-secondary: #818cf8;
  --accent-glow: rgba(56, 189, 248, 0.15);
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-family: var(--font-sans); background-color: var(--bg-color); color: var(--text-main); }
body { position: relative; overflow-x: hidden; line-height: 1.6; }
.ambient-glow { position: absolute; width: 600px; height: 600px; border-radius: 50%; filter: blur(140px); pointer-events: none; z-index: -1; opacity: 0.5; }
.glow-1 { top: -150px; left: 20%; background: radial-gradient(circle, rgba(56, 189, 248, 0.25) 0%, transparent 70%); }
.glow-2 { top: 400px; right: 10%; background: radial-gradient(circle, rgba(129, 140, 248, 0.2) 0%, transparent 70%); }
.container { width: 90%; max-width: 1100px; margin: 0 auto; }
.header { position: sticky; top: 0; z-index: 100; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); background-color: rgba(12, 14, 20, 0.8); border-bottom: 1px solid var(--card-border); padding: 1.25rem 0; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: var(--text-main); font-weight: 700; font-size: 1.15rem; }
.logo-badge { background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary)); color: #0c0e14; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 8px; font-weight: 800; font-size: 1rem; }
.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav a { color: var(--text-muted); text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: color 0.2s ease; }
.nav a:hover { color: var(--text-main); }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.75rem 1.5rem; border-radius: 9999px; font-weight: 600; font-size: 0.95rem; text-decoration: none; transition: all 0.25s ease; cursor: pointer; border: none; }
.btn-sm { padding: 0.5rem 1.15rem; font-size: 0.85rem; }
.btn-primary { background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary)); color: #080a0f !important; box-shadow: 0 4px 20px rgba(56, 189, 248, 0.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(56, 189, 248, 0.4); }
.btn-secondary { background: var(--card-bg); color: var(--text-main); border: 1px solid var(--card-border); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.2); transform: translateY(-2px); }
.hero-section { padding: 6.5rem 0 4.5rem; }
.hero-container { max-width: 850px; }
.status-pill { display: inline-flex; align-items: center; gap: 0.6rem; background: rgba(56, 189, 248, 0.08); border: 1px solid rgba(56, 189, 248, 0.2); padding: 0.4rem 1rem; border-radius: 9999px; font-size: 0.85rem; color: var(--accent-primary); margin-bottom: 1.75rem; }
.status-dot { width: 8px; height: 8px; background-color: #10b981; border-radius: 50%; box-shadow: 0 0 10px #10b981; }
.hero-title { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 1.5rem; }
.gradient-text { background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-subtitle { font-size: 1.2rem; color: var(--text-muted); max-width: 700px; margin-bottom: 2.25rem; line-height: 1.7; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.section { padding: 5rem 0; }
.section-alt { background-color: var(--bg-alt); border-top: 1px solid var(--card-border); border-bottom: 1px solid var(--card-border); }
.section-header { margin-bottom: 3rem; }
.section-title { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.5rem; }
.section-subtitle { color: var(--text-muted); font-size: 1.05rem; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 1.75rem; }
.project-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px; padding: 2rem; transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease; display: flex; flex-direction: column; }
.project-card:hover { transform: translateY(-4px); border-color: rgba(56, 189, 248, 0.3); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4); }
.project-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.25rem; }
.tag { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; background: rgba(56, 189, 248, 0.1); color: var(--accent-primary); padding: 0.25rem 0.65rem; border-radius: 6px; }
.project-year { font-size: 0.85rem; color: var(--text-muted); font-family: var(--font-mono); }
.project-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.85rem; }
.project-desc { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; margin-bottom: 1.5rem; flex-grow: 1; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.project-tags span { font-size: 0.8rem; font-family: var(--font-mono); color: #cbd5e1; background: rgba(255, 255, 255, 0.05); padding: 0.25rem 0.6rem; border-radius: 4px; }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.skill-category { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 14px; padding: 1.75rem; }
.skill-category h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.75rem; color: var(--accent-primary); }
.skill-category p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.6; }
.contact-container { display: flex; justify-content: center; }
.contact-box { background: linear-gradient(180deg, rgba(22, 27, 39, 0.9) 0%, rgba(12, 14, 20, 0.95) 100%); border: 1px solid var(--card-border); border-radius: 24px; padding: 3.5rem 2.5rem; text-align: center; max-width: 750px; width: 100%; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5); }
.contact-title { font-size: 2.1rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1rem; }
.contact-desc { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 2rem; }
.footer { border-top: 1px solid var(--card-border); padding: 2.5rem 0; text-align: center; color: var(--text-muted); font-size: 0.9rem; }
.footer a { color: var(--accent-primary); text-decoration: none; }
@media (max-width: 768px) { .nav { display: none; } .hero-section { padding: 4rem 0 3rem; } }