:root{--bg:#0b0f14;--panel:#10161d;--panel-2:#0f1520;--text:#d7dee9;--muted:#99a3ad;--brand:#7aa2ff;--brand-2:#a5d6ff;--ok:#7ee787;--warn:#ffb86c;--danger:#ff7b72;--border:#1f2a36;--shadow:0 6px 24px rgba(0,0,0,.35)}
*{box-sizing:border-box}html,body{margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;color:var(--text);
background:radial-gradient(1200px 700px at 10% -10%, rgba(69,105,255,.12), transparent 40%),radial-gradient(1200px 700px at 110% 10%, rgba(69,255,233,.12), transparent 40%),var(--bg);line-height:1.6}
.container{max-width:1100px;margin-inline:auto;padding:0 1.25rem}
.section{padding:3.5rem 0}
.section h2{font-size:1.6rem;margin:0 0 .75rem 0;color:var(--brand);letter-spacing:.2px}
.subtle{color:var(--muted)}
.site-header{position:sticky;top:0;z-index:40;backdrop-filter:saturate(140%) blur(6px);background:rgba(11,15,20,.75);border-bottom:1px solid var(--border)}
.nav{height:64px;display:flex;align-items:center;gap:1rem;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none}
.brand .logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 6px 16px rgba(122,162,255,.35)}
.brand .name{color:var(--text);font-weight:700;letter-spacing:.3px}
.nav a{color:var(--text);text-decoration:none;padding:.5rem .8rem;border-radius:.6rem;transition:all .2s ease}
.nav a:hover{background:rgba(122,162,255,.12);color:var(--brand)}
.nav .active{background:rgba(122,162,255,.16);color:var(--brand);border:1px solid rgba(122,162,255,.25)}
.nav-toggle{display:none}
@media (max-width:760px){.nav-links{display:none;position:absolute;inset:64px 0 auto 0;background:rgba(11,15,20,.98);padding:1rem;border-bottom:1px solid var(--border)}.nav-links.open{display:block}.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--border);border-radius:.6rem;background:var(--panel)}}
.hero{padding:4rem 0 3rem;position:relative;overflow:hidden}
.kicker{color:var(--brand);font-weight:700;letter-spacing:.25px;text-transform:uppercase;font-size:.8rem}
.hero h1{font-size:2.2rem;line-height:1.2;margin:.6rem 0 1rem}
.hero p{color:var(--muted);max-width:60ch}
.cta-row{display:flex;gap:.75rem;margin-top:1.5rem;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1rem;text-decoration:none;background:var(--brand);color:#0a0d12;font-weight:700;border-radius:.7rem;border:1px solid rgba(122,162,255,.35);box-shadow:0 8px 18px rgba(122,162,255,.25)}
.button.ghost{background:transparent;color:var(--brand);border-color:rgba(122,162,255,.35);box-shadow:none}
.chip{background:rgba(122,162,255,.12);border:1px solid rgba(122,162,255,.25);color:var(--brand);padding:.25rem .5rem;border-radius:.5rem;font-size:.8rem}
.tag{display:inline-flex;align-items:center;gap:.35rem;padding:.35rem .6rem;border:1px solid var(--border);border-radius:.6rem;background:var(--panel);color:var(--muted);font-size:.85rem}
.grid{display:grid;gap:1rem}
.grid-3{grid-template-columns:repeat(3,1fr)} .grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:960px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,rgba(19,25,33,.9),rgba(16,22,29,.9));border:1px solid var(--border);border-radius:1rem;padding:1rem;box-shadow:var(--shadow)}
.card h3{margin:.25rem 0 .35rem;font-size:1.1rem;color:var(--text)}
.card p{color:var(--muted);margin:.25rem 0 0}
.card .meta{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.75rem}
.site-footer{border-top:1px solid var(--border);background:rgba(11,15,20,.75);padding:2rem 0;margin-top:2rem;color:var(--muted);text-align:center}
.small{font-size:.9rem}
.row{display:flex;gap:.75rem;flex-wrap:wrap}
.m0{margin:0}.mt1{margin-top:.25rem}.mt2{margin-top:.5rem}.mt3{margin-top:1rem}.mt4{margin-top:1.5rem}
/* Education accordions (from earlier) */
.acc{border:1px solid var(--border);border-radius:1rem;overflow:hidden;background:var(--panel)}
.acc summary{list-style:none;cursor:pointer;padding:1rem 1.25rem;display:flex;gap:.75rem;align-items:center}
.acc summary::-webkit-details-marker{display:none}
.acc .chev{transition:transform .15s ease}
.acc[open] .chev{transform:rotate(90deg)}
.acc .panel{border-top:1px solid var(--border);padding:1rem 1.25rem}
/* Project details */
.breadcrumbs{display:flex;gap:.5rem;align-items:center;color:var(--muted);font-size:.95rem}
.breadcrumbs a{color:var(--brand);text-decoration:none}
.project-hero{padding:2rem 0 .5rem;border-bottom:1px solid var(--border)}
.project-hero h1{margin:.25rem 0 .25rem;font-size:1.8rem}
.project-meta{display:flex;flex-wrap:wrap;gap:.5rem}
.detail-grid{display:grid;gap:1.25rem;grid-template-columns:2fr 1fr}
@media (max-width:980px){.detail-grid{grid-template-columns:1fr}}
.gallery{display:grid;gap:1rem}
.gallery-main{border:1px solid var(--border);border-radius:1rem;overflow:hidden;background:var(--panel);display:flex;align-items:center;justify-content:center;min-height:320px;cursor:zoom-in}
.gallery-main img{max-width:100%;height:auto;display:block}
.gallery-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:.5rem}
@media (max-width:640px){.gallery-thumbs{grid-template-columns:repeat(4,1fr)}}
.thumb{border:1px solid var(--border);border-radius:.6rem;overflow:hidden;opacity:.8;cursor:pointer;background:var(--panel)}
.thumb img{width:100%;height:72px;object-fit:cover;display:block}
.thumb.active{outline:2px solid var(--brand);opacity:1}
.aside-card{background:linear-gradient(180deg,rgba(19,25,33,.9),rgba(16,22,29,.9));border:1px solid var(--border);border-radius:1rem;padding:1rem}
.kv{display:grid;grid-template-columns:120px 1fr;gap:.5rem .75rem}
.downloads{display:flex;gap:.5rem;flex-wrap:wrap}
/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);display:none;align-items:center;justify-content:center;z-index:1000}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:88vh}
.lightbox .close, .lightbox .prev, .lightbox .next{
  position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);color:#fff;padding:.6rem .8rem;border-radius:.6rem;cursor:pointer
}
.lightbox .close{top:6%;right:6%;transform:none}
.lightbox .prev{left:6%}
.lightbox .next{right:6%}
/* Next/Prev nav */
.pager{display:flex;justify-content:space-between;gap:1rem;margin-top:1.25rem}
.pager a{display:inline-flex;gap:.5rem;align-items:center}
/* Live demo chip */
.demo-chip{display:inline-flex;align-items:center;gap:.35rem;padding:.28rem .5rem;border:1px solid var(--border);border-radius:.6rem;background:var(--panel);font-size:.85rem}
.demo-chip svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
/* Resume */
.resume-hero{padding:2rem 0 0}
.resume-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1rem}
/* Contact */
form .row{gap:1rem}
input, textarea{width:100%;padding:.75rem;border-radius:.6rem;border:1px solid var(--border);background:var(--panel);color:var(--text)}
label{display:block;margin:.5rem 0 .25rem}
.small-muted{font-size:.9rem;color:var(--muted)}