/* =========================================================
   project.css — shared dark theme for project detail pages
   (projects/*.html). Matches index.html / homelab.html.
   ========================================================= */

:root{
  --bg:#0a0f1e;
  --bg-2:#0d1426;
  --panel:#111a30;
  --panel-2:#0f1830;
  --border:#1f2c4a;
  --border-soft:#1a2440;
  --text:#e8eefb;
  --muted:#94a3c4;
  --faint:#6b7a9e;
  --cyan:#38bdf8;
  --teal:#2dd4bf;
  --green:#34d399;
  --amber:#fbbf24;
  --violet:#a78bfa;
  --shadow:0 14px 40px -18px rgba(0,0,0,.8);
  --radius:16px;
  --nav-h:64px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(56,189,248,.10), transparent 60%),
    radial-gradient(1000px 600px at -10% 10%, rgba(45,212,191,.08), transparent 55%),
    var(--bg);
  color:var(--muted);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;}
a{color:var(--cyan);text-decoration:none;}
a:hover{text-decoration:underline;}

.wrap{max-width:1080px;margin:0 auto;padding:0 22px;}

/* ---------- Nav ---------- */
nav.top{
  position:sticky;top:0;z-index:50;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(10,15,30,.72);
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--border-soft);
}
nav.top .wrap{display:flex;align-items:center;justify-content:space-between;width:100%;}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.01em;font-size:1rem;color:var(--text);}
.brand:hover{text-decoration:none;}
.brand .mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--teal));color:#06121f;font-weight:900;font-size:.9rem;
  box-shadow:0 6px 18px -8px rgba(56,189,248,.7);
}
.nav-back{
  display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.86rem;font-weight:600;
  padding:8px 14px;border-radius:9px;border:1px solid var(--border);background:rgba(255,255,255,.03);
  transition:color .15s ease,border-color .15s ease;
}
.nav-back:hover{color:var(--cyan);border-color:rgba(56,189,248,.5);text-decoration:none;}

/* ---------- Hero ---------- */
header.hero{position:relative;padding:70px 0 52px;border-bottom:1px solid var(--border-soft);overflow:hidden;}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(56,189,248,.05) 1px,transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.05) 1px,transparent 1px);
  background-size:38px 38px;
  mask-image:radial-gradient(800px 360px at 75% 0%, #000 30%, transparent 75%);
  -webkit-mask-image:radial-gradient(800px 360px at 75% 0%, #000 30%, transparent 75%);
  pointer-events:none;
}
.hero .wrap{position:relative;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);font-weight:700;
  padding:6px 13px;border:1px solid var(--border);border-radius:999px;background:rgba(45,212,191,.06);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(251,191,36,.16);}
h1.title{font-size:clamp(2.1rem,4.6vw,3.2rem);line-height:1.07;margin:18px 0 10px;letter-spacing:-.02em;font-weight:800;color:var(--text);}
h1.title .accent{background:linear-gradient(100deg,var(--cyan),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent;}
.org{color:var(--muted);font-weight:600;font-size:1rem;margin:0 0 16px;}
.org .role{color:var(--teal);}
.lede{max-width:680px;color:var(--muted);font-size:1.06rem;margin:0 0 22px;}
.meta-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}
.meta-chips span{font-size:.76rem;padding:6px 12px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,.03);color:var(--muted);}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
.btn{
  display:inline-flex;align-items:center;gap:9px;border-radius:11px;padding:11px 18px;
  font-weight:700;font-size:.88rem;cursor:pointer;border:1px solid var(--border);
  transition:transform .12s ease,filter .15s ease,background .15s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--teal));color:#06121f;border-color:transparent;box-shadow:0 12px 28px -14px rgba(56,189,248,.8);}
.btn-primary:hover{color:#06121f;filter:brightness(1.06);}
.btn-ghost{background:rgba(255,255,255,.03);color:var(--text);}
.btn-ghost:hover{background:rgba(255,255,255,.07);color:var(--text);}

/* ---------- Sections ---------- */
section{padding:58px 0;border-bottom:1px solid var(--border-soft);scroll-margin-top:var(--nav-h);}
.sec-head{margin-bottom:30px;max-width:760px;}
.kicker{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);font-weight:700;}
h2{font-size:clamp(1.5rem,2.6vw,2rem);margin:8px 0 8px;letter-spacing:-.01em;font-weight:800;color:var(--text);}
.sec-head p{color:var(--muted);margin:0;}

/* ---------- Prose ---------- */
.prose{max-width:760px;}
.prose p{color:var(--muted);margin:0 0 18px;font-size:1rem;}
.prose p:last-child{margin-bottom:0;}

/* Feature list (labeled sub-parts in design narratives) */
.features{display:grid;gap:16px;}
.feature{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--border);border-radius:14px;padding:18px 20px;position:relative;
}
.feature::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--cyan),var(--teal));}
.feature h3{margin:0 0 6px;font-size:1.05rem;color:var(--text);}
.feature p{margin:0;color:var(--muted);font-size:.94rem;}

/* ---------- Figures & galleries ---------- */
.figure{
  margin:24px 0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:var(--panel);box-shadow:var(--shadow);max-width:760px;
}
.figure img{width:100%;height:auto;display:block;}
.figure figcaption{padding:12px 16px;font-size:.84rem;color:var(--faint);border-top:1px solid var(--border-soft);}
.figure.center{margin-left:auto;margin-right:auto;}

.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;}
.gallery figure{
  margin:0;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--panel);
  box-shadow:var(--shadow);transition:transform .16s ease,border-color .16s ease;
}
.gallery figure:hover{transform:translateY(-3px);border-color:rgba(56,189,248,.4);}
.gallery img{width:100%;height:200px;object-fit:cover;background:#0b1224;}

/* ---------- Video ---------- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;}
.video-grid figure{margin:0;}
.video-grid video,.figure video{
  width:100%;height:auto;border-radius:14px;border:1px solid var(--border);background:#000;display:block;
}
.video-grid figcaption{margin-top:8px;font-size:.84rem;color:var(--faint);}

/* ---------- Code cards (collapsible) ---------- */
.code-stack{display:flex;flex-direction:column;gap:14px;}
details.code{
  border:1px solid var(--border);border-radius:14px;overflow:hidden;
  background:linear-gradient(180deg,var(--panel),var(--panel-2));box-shadow:var(--shadow);
}
details.code>summary{
  list-style:none;cursor:pointer;user-select:none;
  display:flex;align-items:center;gap:12px;padding:13px 16px;
  font-weight:700;font-size:.9rem;color:var(--text);
}
details.code>summary::-webkit-details-marker{display:none;}
details.code>summary .dots{display:inline-flex;gap:6px;flex:none;}
details.code>summary .dots i{width:11px;height:11px;border-radius:50%;display:inline-block;}
details.code>summary .dots i:nth-child(1){background:#ff5f57;}
details.code>summary .dots i:nth-child(2){background:#febc2e;}
details.code>summary .dots i:nth-child(3){background:#28c840;}
details.code>summary .fname{font-family:ui-monospace,monospace;font-size:.84rem;color:var(--muted);}
details.code>summary .hint{margin-left:auto;font-size:.74rem;font-weight:600;color:var(--cyan);text-transform:uppercase;letter-spacing:.06em;}
details.code[open]>summary .hint::after{content:"Hide";}
details.code:not([open])>summary .hint::after{content:"View code";}
details.code>summary .hint span{display:none;}
details.code pre{
  margin:0;padding:18px;overflow:auto;max-height:520px;
  border-top:1px solid var(--border-soft);background:#0a1120;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.82rem;line-height:1.6;color:#cdd9f0;
}
details.code pre code{color:inherit;white-space:pre;}
details.code pre::-webkit-scrollbar{width:11px;height:11px;}
details.code pre::-webkit-scrollbar-thumb{background:var(--border);border-radius:8px;}
details.code pre::-webkit-scrollbar-thumb:hover{background:var(--cyan);}

/* ---------- Footer ---------- */
footer{padding:42px 0 60px;color:var(--faint);font-size:.86rem;text-align:center;}
footer .fnav{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:16px;}
footer .fnav a{color:var(--muted);font-weight:600;}
footer .fnav a:hover{color:var(--cyan);}

/* ---------- Responsive ---------- */
@media (max-width:760px){
  section{padding:46px 0;}
  .gallery img{height:170px;}
}