@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --bg: #0a1330;
  --panel: #0f1c42;
  --panel-2: #142551;
  --line: #2c3f6e;
  --line-soft: #1a2a52;
  --copper: #fc3d21;
  --copper-bright: #ff6b4a;
  --lox: #5b8def;
  --text: #f5f7fb;
  --text-mute: #b7c2dc;
  --text-dim: #7b8ca0;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter', sans-serif;
  line-height:1.55;
  overflow-x:hidden;
}
::selection{ background:var(--copper); color:#14171a; }

.mono{ font-family:'JetBrains Mono', monospace; }
h1,h2,h3{ font-family:'Space Grotesk', sans-serif; letter-spacing:-0.01em; }
a{ color:inherit; text-decoration:none; }
.wrap{ max-width:1120px; margin:0 auto; padding:0 32px; }

/* ---------- dimension-line divider ---------- */
.dim{
  display:flex; align-items:center; gap:10px;
  color:var(--text-dim); font-size:11px; letter-spacing:0.14em;
  text-transform:uppercase; margin: 0 0 40px 0;
}
.dim::before, .dim::after{
  content:""; flex:1; height:1px; background:var(--line);
  background-image: linear-gradient(90deg, var(--line) 0 6px, transparent 6px 8px);
  background-size: 8px 1px;
}
.dim .tick{ color: var(--copper); }

/* ---------- nav ---------- */
nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  background: rgba(20,23,26,0.85); backdrop-filter: blur(8px);
  border-bottom:1px solid var(--line-soft);
}
nav .wrap{ display:flex; align-items:center; justify-content:space-between; height:64px; }
.brand{ font-family:'Space Grotesk', sans-serif; font-weight:600; font-size:15px; display:flex; align-items:center; gap:8px;}
.brand .dot{ width:8px; height:8px; background:var(--copper); border-radius:1px; transform:rotate(45deg); display:inline-block;}
.navlinks{ display:flex; gap:28px; font-size:13px; color:var(--text-mute); }
.navlinks a:hover{ color:var(--copper-bright); }
.navlinks .num{ color:var(--text-dim); font-family:'JetBrains Mono',monospace; font-size:11px; margin-right:6px;}
.navlinks a.active{ color:var(--copper-bright); }
@media (max-width:760px){ .navlinks{ display:none; } }

/* ---------- generic page header (for sub-pages) ---------- */
.page-head{ padding:150px 0 60px 0; border-bottom:1px solid var(--line-soft); }
.page-head .eyebrow{
  font-family:'JetBrains Mono', monospace; font-size:12px; color:var(--copper);
  letter-spacing:0.12em; text-transform:uppercase; margin-bottom:18px;
  display:flex; align-items:center; gap:10px;
}
.page-head .eyebrow::before{ content:"◆"; font-size:9px; }
.page-head h1{ font-size: clamp(32px, 5vw, 48px); font-weight:700; line-height:1.05; margin-bottom:18px; max-width:760px; }
.page-head p.lede{ color:var(--text-mute); font-size:16.5px; max-width:600px; }
.back-link{ display:inline-flex; align-items:center; gap:8px; color:var(--text-dim); font-family:'JetBrains Mono',monospace; font-size:12px; margin-bottom:28px; }
.back-link:hover{ color:var(--copper-bright); }

/* ---------- hero (index only) ---------- */
header.hero{ padding: 150px 0 90px 0; position:relative; border-bottom:1px solid var(--line-soft); }
.title-block{ display:flex; justify-content:space-between; align-items:flex-start; gap:40px; flex-wrap:wrap; }
.title-left{ max-width:620px; }
.hero h1{ font-size: clamp(38px, 6vw, 62px); font-weight:700; line-height:1.03; margin-bottom:22px; }
.hero h1 span{ color:var(--text-mute); font-weight:500; }
.hero p.lede{ color:var(--text-mute); font-size:17px; max-width:520px; }
.hero .meta{ margin-top:34px; display:flex; gap:26px; flex-wrap:wrap; font-family:'JetBrains Mono', monospace; font-size:12px; color:var(--text-dim); }
.hero .meta a{ color:var(--lox); }
.hero .meta a:hover{ color:var(--copper-bright); }

.turbine-wrap{ width:280px; height:280px; flex-shrink:0; }
@media (max-width:900px){ .turbine-wrap{ width:200px; height:200px; } }
#turbine{ width:100%; height:100%; }
.blade-group{ transform-origin:150px 150px; animation: spin 14s linear infinite; }
@keyframes spin{ to{ transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce){ .blade-group{ animation:none; } }

/* ---------- sections ---------- */
section{ padding:90px 0; border-bottom:1px solid var(--line-soft); }
.section-head{ display:flex; align-items:baseline; gap:16px; margin-bottom:44px; }
.section-num{ font-family:'JetBrains Mono',monospace; color:var(--copper); font-size:13px; }
.section-head h2{ font-size:28px; font-weight:600; }

/* about */
.about-grid{ display:grid; grid-template-columns: 1.3fr 1fr; gap:60px; }
@media (max-width:800px){ .about-grid{ grid-template-columns:1fr; } }
.about-grid p{ color:var(--text-mute); margin-bottom:16px; font-size:15.5px; }
.about-grid p strong{ color:var(--text); font-weight:600; }
.stat-panel{ border:1px solid var(--line); background:var(--panel); padding:26px; height:fit-content; }
.stat-row{ display:flex; justify-content:space-between; padding:12px 0; border-bottom:1px dashed var(--line-soft); font-size:13.5px;}
.stat-row:last-child{ border-bottom:none; }
.stat-row .k{ color:var(--text-dim); font-family:'JetBrains Mono',monospace; font-size:11.5px; text-transform:uppercase; letter-spacing:0.05em;}
.stat-row .v{ color:var(--copper-bright); font-weight:600; text-align:right; }

/* experience */
.log{ position:relative; padding-left:28px; }
.log::before{ content:""; position:absolute; left:5px; top:6px; bottom:6px; width:1px; background:var(--line); }
.entry{ position:relative; padding-bottom:52px; }
.entry:last-child{ padding-bottom:0; }
.entry::before{
  content:""; position:absolute; left:-28px; top:5px; width:11px; height:11px;
  border:2px solid var(--copper); background:var(--bg); border-radius:1px; transform:rotate(45deg);
}
.entry-head{ display:flex; justify-content:space-between; align-items:baseline; flex-wrap:wrap; gap:8px 20px; margin-bottom:6px;}
.entry-head h3{ font-size:19px; font-weight:600; }
.entry-head .role{ color:var(--copper-bright); font-weight:500; font-size:14.5px; }
.entry-date{ font-family:'JetBrains Mono',monospace; font-size:11.5px; color:var(--text-dim); white-space:nowrap; }
.entry-org{ color:var(--text-dim); font-size:13.5px; margin-bottom:12px; }
.entry ul{ list-style:none; }
.entry li{ position:relative; padding-left:18px; color:var(--text-mute); font-size:14.5px; margin-bottom:9px; }
.entry li::before{ content:"\2013"; position:absolute; left:0; color:var(--line); }
.entry li strong{ color:var(--text); font-weight:600; }
.entry-link{ display:inline-block; margin-top:10px; font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--lox); border-bottom:1px solid transparent; }
.entry-link:hover{ color:var(--copper-bright); border-bottom-color:var(--copper-bright); }

/* skills */
.skill-cols{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-soft); border:1px solid var(--line-soft); }
@media (max-width:760px){ .skill-cols{ grid-template-columns:1fr; } }
.skill-col{ background:var(--bg); padding:26px 28px; }
.skill-col h4{ font-family:'JetBrains Mono',monospace; font-size:11.5px; color:var(--copper); letter-spacing:0.1em; text-transform:uppercase; margin-bottom:16px; }
.chip-row{ display:flex; flex-wrap:wrap; gap:8px; }
.chip{ border:1px solid var(--line); padding:6px 11px; font-size:12.5px; color:var(--text-mute); font-family:'JetBrains Mono',monospace; }

/* honors */
.honor-year{ margin-bottom:34px; }
.honor-year:last-child{ margin-bottom:0; }
.honor-year .yr{ font-family:'JetBrains Mono',monospace; color:var(--copper); font-size:14px; margin-bottom:12px; display:block; }
.honor-list{ list-style:none; display:grid; grid-template-columns:1fr 1fr; gap:8px 24px; }
@media (max-width:700px){ .honor-list{ grid-template-columns:1fr; } }
.honor-list li{ font-size:14.5px; color:var(--text-mute); padding-left:16px; position:relative; }
.honor-list li::before{ content:"\25B8"; position:absolute; left:0; color:var(--lox); font-size:11px; top:4px; }
.honor-list li strong{ color:var(--text); font-weight:500; }

/* education */
.edu-card{ border:1px solid var(--line); background:var(--panel); padding:32px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:20px; }
.edu-card h3{ font-size:20px; margin-bottom:6px; }
.edu-card .school{ color:var(--copper-bright); font-size:14px; margin-bottom:14px; }
.edu-card .courses{ color:var(--text-dim); font-size:13px; max-width:480px; }
.edu-card .date{ font-family:'JetBrains Mono',monospace; color:var(--text-dim); font-size:12.5px; white-space:nowrap; }

/* footer / contact */
footer{ padding:80px 0 60px 0; }
.contact-block h2{ font-size:34px; margin-bottom:16px; }
.contact-block p{ color:var(--text-mute); max-width:480px; margin-bottom:32px; font-size:15.5px; }
.contact-links{ display:flex; gap:16px; flex-wrap:wrap; }
.contact-links a{ border:1px solid var(--line); padding:12px 20px; font-size:13.5px; font-family:'JetBrains Mono',monospace; transition: border-color .15s, color .15s; }
.contact-links a:hover{ border-color:var(--copper); color:var(--copper-bright); }
.foot-fine{ margin-top:60px; color:var(--text-dim); font-size:12px; font-family:'JetBrains Mono',monospace; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;}

/* ---------- project cards (projects.html) ---------- */
.project-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line-soft); border:1px solid var(--line-soft); }
@media (max-width:760px){ .project-grid{ grid-template-columns:1fr; } }
.project-card{ background:var(--bg); padding:34px; display:flex; flex-direction:column; height:100%; transition:background .15s; }
.project-card:hover{ background:var(--panel); }
.project-card .tag{ font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--copper); letter-spacing:0.1em; text-transform:uppercase; margin-bottom:14px; }
.project-card h3{ font-size:21px; margin-bottom:10px; }
.project-card p{ color:var(--text-mute); font-size:14.5px; margin-bottom:20px; flex-grow:1; }
.project-card .go{ font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--lox); }
.project-card:hover .go{ color:var(--copper-bright); }

/* ---------- project detail page ---------- */
.project-meta-bar{ display:flex; gap:32px; flex-wrap:wrap; margin-top:28px; font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--text-dim); }
.project-meta-bar strong{ color:var(--text); display:block; font-size:13px; margin-bottom:4px; font-family:'Inter',sans-serif; font-weight:600;}
.project-body{ display:grid; grid-template-columns:1fr; gap:0; }
.project-block{ padding:70px 0; border-bottom:1px solid var(--line-soft); }
.project-block h2{ font-size:24px; margin-bottom:24px; }
.project-block p{ color:var(--text-mute); font-size:15.5px; margin-bottom:16px; max-width:760px; }
.project-block ul{ list-style:none; max-width:760px; }
.project-block li{ position:relative; padding-left:18px; color:var(--text-mute); font-size:15px; margin-bottom:10px; }
.project-block li::before{ content:"\2013"; position:absolute; left:0; color:var(--line); }
.project-block li strong{ color:var(--text); }

.placeholder-block{
  border:1px dashed var(--line); padding:32px; margin-top:20px; color:var(--text-dim);
  font-family:'JetBrains Mono',monospace; font-size:12.5px; text-transform:uppercase; letter-spacing:0.05em;
  display:flex; align-items:center; gap:10px;
}
.placeholder-block::before{ content:"+"; font-size:16px; color:var(--copper); }

/* reveal on scroll */
.reveal{ opacity:0; transform:translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }