/* --- Minimal, clean UI. Comments in English as requested. --- */
:root{
  --bg:#0b0c10;
  --panel:#111318;
  --text:#e5e7eb;
  --muted:#a3aab8;
  --brand:#38bdf8;
  --accent:#a78bfa;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --maxw:1100px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  background:
    radial-gradient(1200px 800px at 100% -100%, rgba(56,189,248,.08), transparent 60%),
    radial-gradient(1000px 700px at -50% 0%, rgba(167,139,250,.08), transparent 50%),
    var(--bg);
  color:var(--text);
  line-height:1.6;
}

.container{max-width:var(--maxw);margin:0 auto;padding:24px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

.site-header{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(to bottom, rgba(11,12,16,.9), rgba(11,12,16,.6));
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700}
.logo{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg, var(--brand), var(--accent));
  display:grid;place-items:center;color:#0b0c10;font-weight:900;box-shadow:var(--shadow)
}
.nav a{color:var(--text);opacity:.9;padding:10px 8px}
.nav a:hover{opacity:1}

.card{
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:24px;margin:24px 0;
}

.hero h1{font-size:clamp(28px, 6vw, 48px);line-height:1.2;margin:0 0 8px}
.lead{color:var(--muted);margin:0 0 16px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:8px 12px;border-radius:999px;background:rgba(56,189,248,.15);color:#c8f1ff;border:1px solid rgba(56,189,248,.25)}

.grid{display:grid;gap:20px}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.project{display:flex;flex-direction:column;overflow:hidden}
.project img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid rgba(255,255,255,.06)}
.project .content{padding:16px}
.tag{font-size:12px;color:#7dd3fc;margin-right:8px}
.meta{color:var(--muted);font-size:14px}
.link{display:inline-block;margin-top:6px}

.skills-list{list-style:none;padding:0;margin:0;columns:2;column-gap:24px}
.skills-list li{break-inside:avoid;padding:6px 0}

#contact .form-grid{display:grid;gap:16px}
@media(min-width:640px){#contact .form-grid{grid-template-columns:1fr 1fr}}
label span{display:block;margin-bottom:6px;color:#cdd3df}
input,textarea{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.12);
  background:#0f1116;color:var(--text);outline:none
}
input:focus,textarea:focus{border-color:rgba(56,189,248,.6);box-shadow:0 0 0 3px rgba(56,189,248,.2)}
.hp{display:none !important}

.form-actions{display:flex;align-items:center;gap:12px;margin-top:12px}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;
  background:linear-gradient(135deg, var(--brand), var(--accent));
  color:#0b0c10;font-weight:800;border:none;cursor:pointer
}
#formStatus{min-height:1.2em;color:var(--muted)}

.privacy{font-size:14px;color:var(--muted);margin-top:8px}
.site-footer{border-top:1px solid rgba(255,255,255,.06);margin-top:32px}
.site-footer .container{padding:24px;color:var(--muted)}