:root {
  --bg: #0d1b2a;
  --bg-soft: #12263a;
  --card: #162b3c;
  --text: #e6f1ff;
  --muted: #9fb3c8;
  --accent: #20dfaf;
  --accent-ink: #06261e;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; scroll-behavior: smooth; }
body {
  font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
.container { width: min(1100px, 92%); margin: 0 auto; }
.section { padding: 72px 0; }
.section-title { font-size: 28px; font-weight: 700; margin: 0 0 24px; position: relative; }
.section-title::after { content: ""; display: block; width: 60px; height: 4px; background: var(--accent); border-radius: 2px; margin-top: 8px; }

.site-header { position: sticky; top: 0; z-index: 999; background: rgba(13,27,42,.8); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,.05); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 700; letter-spacing: .3px; }
.accent { color: var(--accent); }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-weight: 500; }
nav a.active, nav a:hover { color: var(--text); }
#themeToggle { background: var(--card); color: var(--text); border: 1px solid rgba(255,255,255,.1); padding: 8px 10px; border-radius: 8px; cursor: pointer; }

.hero { display: grid; grid-template-columns: 320px 1fr; gap: 40px; align-items: center; padding: 80px 0; }
.hello { color: var(--muted); margin: 0; }
.highlight { display: inline-block; background: linear-gradient(90deg, #20dfaf, #f4c060); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 800; font-size: clamp(36px, 5vw, 56px); }
.subtitle { margin: 8px 0 12px; color: #d7e3f4; font-weight: 600; }
.lead { color: var(--muted); max-width: 56ch; }
.avatar-ring { border: 3px solid var(--accent); padding: 8px; border-radius: 999px; width: 280px; height: 280px; display: grid; place-items: center; background: radial-gradient(120px at 40% 30%, #123, transparent); box-shadow: var(--shadow); }
.avatar { width: 100%; height: 100%; object-fit: cover; border-radius: 999px; background: #0b1622; }
.hero-actions { margin: 16px 0; display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); padding: 10px 18px; border-radius: 10px; text-decoration: none; font-weight: 600; border: 1px solid rgba(0,0,0,.05); transition: transform .15s ease, box-shadow .15s ease; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(32,223,175,.2); }
.btn.outline { background: transparent; color: var(--text); border: 1px solid rgba(255,255,255,.2); }
.stats { display: flex; gap: 28px; margin-top: 18px; }
.stat .num { font-size: 28px; font-weight: 700; color: var(--accent); }
.stat .label { color: var(--muted); }

.card { background: var(--card); border: 1px solid rgba(255,255,255,.06); padding: 18px 20px; border-radius: 14px; box-shadow: var(--shadow); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.project-card { overflow: hidden; border-radius: 14px; border: 1px solid rgba(255,255,255,.06); background: var(--card); }
.project-thumb { width: 100%; height: 220px; object-fit: cover; display: block; }
.project-body { padding: 14px 16px 18px; }
.project-desc { color: var(--muted); margin: 6px 0 8px; }
.bullets { margin: 10px 0 8px; padding-left: 18px; color: var(--muted); }
.bullets li { margin: 6px 0; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.tags span { background: rgba(32,223,175,.12); color: #aef2df; padding: 6px 10px; border-radius: 999px; border: 1px solid rgba(32,223,175,.3); font-size: 13px; }
.links { display: flex; gap: 12px; margin-top: 10px; }

.timeline { display: grid; gap: 16px; }
.ti-header { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.time { color: var(--muted); font-size: 14px; }

.contact-card .links-row { display: flex; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.location { color: var(--muted); margin-top: 10px; }
.footer { padding: 28px 0 40px; color: var(--muted); text-align: center; }

@media (max-width: 980px) { .hero { grid-template-columns: 1fr; text-align: center; } .avatar-ring { margin: 0 auto; } }
@media (max-width: 820px) { .grid-2 { grid-template-columns: 1fr; } .projects-grid { grid-template-columns: 1fr; } }