/* Minimal, modern, responsive style */
:root{
  --bg:#0b1020;
  --card:#101935;
  --muted:#8aa0bf;
  --text:#e6f0ff;
  --brand:#0ea5e9;
  --brand-2:#22d3ee;
  --ring: 0 0 0 3px rgba(14,165,233,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg,#0b1020,#0b1020 60%,#0b223a);color:var(--text);font:16px/1.6 system-ui,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}

.container{width:min(1100px,92%);margin:0 auto}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:900px){.grid-3{grid-template-columns:1fr}}
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(11,16,32,.7);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08)
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{font-weight:800;letter-spacing:.3px}
.nav a{margin:0 10px;padding:8px 10px;border-radius:10px}
.nav a.active,.nav a:hover{background:rgba(255,255,255,.06)}
.nav-toggle{display:none;background:transparent;border:0;color:var(--text);font-size:22px}
@media (max-width:720px){
  .nav{display:none;position:absolute;right:20px;top:56px;background:var(--card);padding:10px;border-radius:12px;border:1px solid rgba(255,255,255,.1)}
  .nav.show{display:block}
  .nav-toggle{display:block}
}

.hero{padding:72px 0 32px;background:
  radial-gradient(600px 200px at 10% 10%,rgba(34,211,238,.15),transparent 60%),
  radial-gradient(400px 200px at 90% 20%,rgba(14,165,233,.15),transparent 60%);
}
.hero h1{font-size:48px;margin:0 0 6px}
.hero .tagline{color:var(--muted);font-size:18px;margin-bottom:20px}
.cta{display:flex;gap:12px;margin:22px 0 36px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.12);cursor:pointer}
.btn.primary{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#05111f;border:0;font-weight:700}
.btn.ghost{background:transparent;color:var(--text)}
.text-link{color:var(--text);opacity:.9}
.card{background:var(--card);padding:18px;border-radius:16px;border:1px solid rgba(255,255,255,.08);box-shadow:0 10px 30px rgba(0,0,0,.25)}

.page-header{padding:40px 0;border-bottom:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.02)}
.about{padding:32px 0}
.about-grid{display:grid;grid-template-columns:220px 1fr;gap:24px}
@media (max-width:800px){.about-grid{grid-template-columns:1fr}}
.avatar{width:200px;aspect-ratio:1;border-radius:24px;border:1px solid rgba(255,255,255,.2);background:linear-gradient(135deg,#0ea5e920,#22d3ee20)}

.skills{padding:24px 0 60px}
.skill{margin:18px 0}
.skill-top{display:flex;justify-content:space-between;margin-bottom:8px}
.bar{height:10px;background:rgba(255,255,255,.08);border-radius:100px;overflow:hidden;border:1px solid rgba(255,255,255,.12)}
.fill{height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-2))}

.portfolio{padding:24px 0 60px}
.project img{border-top-left-radius:14px;border-top-right-radius:14px}
.project .project-body{padding:14px}
.project:hover{transform:translateY(-2px)}
.project{transition:transform .2s ease-in-out}

.contact{padding:24px 0 80px}
.form{background:var(--card);padding:20px;border-radius:16px;border:1px solid rgba(255,255,255,.08)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:800px){.form-grid{grid-template-columns:1fr}}
label span{display:block;margin-bottom:6px;color:var(--muted)}
input,textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:#0b162c;color:var(--text);outline:none}
input:focus,textarea:focus{box-shadow:var(--ring)}
.notice{padding:12px 14px;border-radius:10px;margin-bottom:12px}
.notice.ok{background:#083c27;border:1px solid #1b6b4b}
.notice.error{background:#3c0812;border:1px solid #6b1b2a}

.site-footer{padding:30px 0;border-top:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.02)}
.site-footer .container{display:flex;justify-content:space-between;align-items:center;gap:12px}
.site-footer .social{list-style:none;display:flex;gap:10px;margin:0;padding:0}