/* ============================================================
   THE POL ATLAS — Fall/Winter 2026-27
   Obsidian + gold; one jewel-tone accent per departmental area.
   ============================================================ */

:root{
  --ink:      #06080B;
  --ink-2:    #0A0D12;
  --ink-3:    #0E1218;
  --panel:    rgba(255,255,255,.026);
  --panel-2:  rgba(255,255,255,.045);
  --line:     rgba(255,255,255,.075);
  --line-2:   rgba(255,255,255,.15);
  --text:     #E9E7E2;
  --muted:    #9DA3AB;
  --faint:    #676D76;
  --gold:     #C9A961;
  --gold-2:   #EADFBB;
  --accent:   #C9A961;
  --accent-d: #6E5C33;

  --serif: "Cormorant Garamond", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --gutter: clamp(20px, 5vw, 76px);
  --maxw: 1240px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* area accents ------------------------------------------------ */
[data-area="PT"]  { --accent:#9C86F0; --accent-d:#3A2F63; }
[data-area="CG"]  { --accent:#E2596E; --accent-d:#5E2530; }
[data-area="DS"]  { --accent:#3FC49E; --accent-d:#1B5043; }
[data-area="CP"]  { --accent:#E3A44A; --accent-d:#5C4220; }
[data-area="MET"] { --accent:#4FC7DE; --accent-d:#1D4E58; }
[data-area="IR"]  { --accent:#6690F2; --accent-d:#26386A; }
[data-area="PP"]  { --accent:#D77C43; --accent-d:#57311B; }
[data-area="D&I"] { --accent:#E877B0; --accent-d:#5E2A48; }
[data-area="ALL"] { --accent:#C9A961; --accent-d:#6E5C33; }

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0; background:var(--ink); color:var(--text);
  font-family:var(--sans); font-weight:300; font-size:16.5px; line-height:1.68;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
body::before{  /* fixed atmospheric wash */
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(120% 80% at 78% -10%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 62%),
    radial-gradient(90% 60% at 5% 105%, color-mix(in srgb, var(--gold) 7%, transparent), transparent 60%);
}
img,canvas{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }

/* ---------- shared type ---------- */
.label{
  font-family:var(--mono); font-size:10.5px; font-weight:500;
  letter-spacing:.24em; text-transform:uppercase; color:var(--faint);
}
.rule{ height:1px; background:linear-gradient(90deg,var(--line-2),transparent); border:0; margin:0; }
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 var(--gutter); position:relative; z-index:1; }

/* ============ top bar ============ */
.topbar{
  position:sticky; top:0; z-index:40;
  backdrop-filter:blur(18px) saturate(140%); -webkit-backdrop-filter:blur(18px) saturate(140%);
  background:color-mix(in srgb, var(--ink) 74%, transparent);
  border-bottom:1px solid var(--line);
}
.topbar .wrap{ display:flex; align-items:center; gap:22px; height:62px; }
.mark{ display:flex; align-items:center; gap:11px; margin-right:auto; }
.mark .glyph{ width:22px; height:22px; flex:none; }
.mark .glyph circle,.mark .glyph path{ stroke:var(--gold); fill:none; }
.mark b{
  font-family:var(--serif); font-weight:600; font-size:19px; letter-spacing:.06em;
  color:var(--gold-2);
}
.mark span{ font-family:var(--mono); font-size:9.5px; letter-spacing:.26em; color:var(--faint); text-transform:uppercase; }
.navlink{
  font-family:var(--mono); font-size:10.5px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--muted); padding:7px 0; border-bottom:1px solid transparent; transition:.25s var(--ease);
  white-space:nowrap;
}
.navlink:hover{ color:var(--gold-2); border-bottom-color:var(--gold); }
.progress{ position:fixed; top:0; left:0; height:1.5px; background:linear-gradient(90deg,var(--accent),var(--gold-2)); z-index:60; width:0; }

/* ============ HERO ============ */
.hero{ position:relative; min-height:min(96vh,880px); display:flex; align-items:center; overflow:hidden; }
.hero.compact{ min-height:min(78vh,700px); }
.stage{
  position:absolute; inset:0; z-index:0;
  -webkit-mask-image:radial-gradient(72% 72% at 50% 46%, #000 42%, transparent 78%);
  mask-image:radial-gradient(72% 72% at 50% 46%, #000 42%, transparent 78%);
}
.stage canvas{ width:100%; height:100%; }
/* CSS fallback seal when WebGL is unavailable */
.stage.no-webgl::after{
  content:""; position:absolute; left:50%; top:50%; width:min(46vmin,420px); aspect-ratio:1; translate:-50% -50%;
  border-radius:50%; opacity:.85;
  background:
    conic-gradient(from 0deg, transparent 0 4%, color-mix(in srgb,var(--accent) 70%, transparent) 5%, transparent 10%) ,
    radial-gradient(circle at 38% 32%, var(--gold-2), transparent 45%),
    radial-gradient(circle, transparent 46%, color-mix(in srgb,var(--gold) 55%, transparent) 47%, transparent 52%),
    radial-gradient(circle, transparent 62%, color-mix(in srgb,var(--accent) 45%, transparent) 63%, transparent 66%);
  animation:spin 44s linear infinite;
}
@keyframes spin{ to{ rotate:360deg; } }

.hero .wrap{ position:relative; z-index:2; width:100%; padding-top:70px; padding-bottom:70px; }
.hero-copy{ max-width:min(860px,100%); }
.eyebrow{
  display:flex; flex-wrap:wrap; align-items:center; gap:12px; margin-bottom:26px;
  font-family:var(--mono); font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--muted);
}
.eyebrow .code{
  color:var(--gold-2); border:1px solid color-mix(in srgb,var(--gold) 42%, transparent);
  padding:5px 11px; border-radius:2px; background:color-mix(in srgb,var(--gold) 8%, transparent);
  letter-spacing:.14em;
}
.eyebrow .sep{ width:16px; height:1px; background:var(--line-2); }
.series{
  font-family:var(--mono); font-size:11px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--accent); margin-bottom:14px;
}
h1.title{
  font-family:var(--serif); font-weight:300; font-size:clamp(2.5rem,6.2vw,5.1rem);
  line-height:1.02; letter-spacing:-.015em; margin:0 0 8px;
  color:#fff; text-wrap:balance;
}
h1.title em{ font-style:italic; color:var(--gold-2); }
.subtitle{
  font-family:var(--serif); font-style:italic; font-size:clamp(1.15rem,2.4vw,1.65rem);
  color:var(--muted); font-weight:300; margin:0 0 30px; max-width:60ch;
}
.chips{ display:flex; flex-wrap:wrap; gap:8px; margin:26px 0 0; }
.chip{
  display:inline-flex; align-items:center; gap:7px;
  font-family:var(--mono); font-size:10px; letter-spacing:.16em; text-transform:uppercase;
  padding:6px 11px; border-radius:2px; color:var(--text);
  border:1px solid var(--line-2); background:var(--panel);
  transition:.25s var(--ease);
}
.chip .dot{ width:5px; height:5px; border-radius:50%; background:var(--accent); flex:none; }
a.chip:hover{ border-color:var(--accent); background:color-mix(in srgb,var(--accent) 12%, transparent); }
.chip.ghost{ color:var(--faint); border-style:dashed; }
.chip.warn{ color:#F0C99A; border-color:#7A5326; background:rgba(122,83,38,.16); }

/* meta rail under hero */
.rail{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  border-top:1px solid var(--line); margin-top:46px;
}
.rail div{ padding:20px 22px 20px 0; border-right:1px solid var(--line); }
.rail div:last-child{ border-right:0; }
.rail dt{ font-family:var(--mono); font-size:9.5px; letter-spacing:.24em; text-transform:uppercase; color:var(--faint); margin-bottom:8px; }
.rail dd{ margin:0; font-family:var(--serif); font-size:1.28rem; color:var(--gold-2); line-height:1.25; }
.rail dd small{ display:block; font-family:var(--sans); font-size:.72rem; color:var(--muted); letter-spacing:.02em; margin-top:4px; }

/* ============ body sections ============ */
main{ position:relative; z-index:1; }
section.band{ padding:clamp(56px,9vw,110px) 0; border-top:1px solid var(--line); }
.sechead{ display:flex; align-items:baseline; gap:18px; margin-bottom:38px; }
.sechead h2{
  font-family:var(--serif); font-weight:300; font-size:clamp(1.7rem,3.6vw,2.7rem);
  margin:0; color:#fff; letter-spacing:-.01em;
}
.sechead .n{ font-family:var(--mono); font-size:11px; color:var(--accent); letter-spacing:.2em; }
.sechead .line{ flex:1; height:1px; background:var(--line); }

.lede{
  font-family:var(--serif); font-weight:300; font-size:clamp(1.24rem,2.35vw,1.72rem);
  line-height:1.62; color:#D9D6D0; max-width:74ch; letter-spacing:.002em;
}
.lede::first-letter{
  float:left; font-size:4.1em; line-height:.82; padding:.06em .1em 0 0;
  color:var(--gold); font-weight:400;
}

/* detail cards */
.cards{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:3px; overflow:hidden;
  grid-template-columns:repeat(auto-fit,minmax(290px,1fr)); }
.card{ background:var(--ink-2); padding:30px 28px; transition:.35s var(--ease); }
.card:hover{ background:var(--ink-3); }
.card h3{
  font-family:var(--mono); font-size:10px; letter-spacing:.24em; text-transform:uppercase;
  color:var(--accent); margin:0 0 16px; font-weight:500;
  display:flex; align-items:center; gap:10px;
}
.card h3::after{ content:""; flex:1; height:1px; background:var(--line); }
.card p{ margin:0; color:#C6C3BD; font-size:.95rem; line-height:1.7; }
.card p + p{ margin-top:12px; }
.card .big{ font-family:var(--serif); font-size:1.5rem; color:var(--gold-2); line-height:1.3; }

/* pathway lists */
.paths{ display:grid; gap:34px; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); }
.path h3{ font-family:var(--mono); font-size:10px; letter-spacing:.24em; text-transform:uppercase; color:var(--faint); margin:0 0 6px; }
.path .hint{ color:var(--muted); font-size:.86rem; margin:0 0 18px; }
.plist{ list-style:none; margin:0; padding:0; }
.plist li{ border-bottom:1px solid var(--line); }
.plist a{ display:flex; align-items:baseline; gap:14px; padding:14px 4px; transition:.25s var(--ease); }
.plist a:hover{ padding-left:12px; background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 9%, transparent),transparent); }
.plist .c{ font-family:var(--mono); font-size:11px; color:var(--accent); letter-spacing:.08em; flex:none; width:98px; }
.plist .t{ font-family:var(--serif); font-size:1.1rem; color:#DAD7D1; line-height:1.3; }
.plist .t small{ display:block; font-family:var(--sans); font-size:.7rem; letter-spacing:.12em; text-transform:uppercase; color:var(--faint); margin-top:3px; }
.empty{ color:var(--faint); font-style:italic; font-family:var(--serif); font-size:1.05rem; }

/* prev / next */
.pager{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border-top:1px solid var(--line); }
.pager a{ background:var(--ink); padding:34px var(--gutter); transition:.35s var(--ease); }
.pager a:hover{ background:var(--ink-2); }
.pager .dir{ font-family:var(--mono); font-size:9.5px; letter-spacing:.24em; text-transform:uppercase; color:var(--faint); }
.pager .nm{ font-family:var(--serif); font-size:1.35rem; color:var(--gold-2); margin-top:8px; line-height:1.25; }
.pager a:last-child{ text-align:right; }

footer{ border-top:1px solid var(--line); padding:52px 0 64px; position:relative; z-index:1; }
footer .wrap{ display:flex; flex-wrap:wrap; gap:20px 40px; align-items:flex-start; }
footer p{ margin:0; color:var(--faint); font-size:.8rem; max-width:56ch; line-height:1.7; }
footer .label{ margin-bottom:8px; }

/* ============ INDEX: controls + grid ============ */
.controls{ position:sticky; top:62px; z-index:30; background:color-mix(in srgb,var(--ink) 90%, transparent);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:16px 0; }
.searchrow{ display:flex; gap:14px; align-items:center; flex-wrap:wrap; }
.search{ flex:1; min-width:210px; position:relative; }
.search input{
  width:100%; background:var(--panel); border:1px solid var(--line-2); color:var(--text);
  font-family:var(--sans); font-size:.95rem; font-weight:300; padding:12px 14px 12px 40px; border-radius:2px;
  outline:none; transition:.25s var(--ease);
}
.search input::placeholder{ color:var(--faint); }
.search input:focus{ border-color:var(--gold); background:rgba(201,169,97,.07); }
.search svg{ position:absolute; left:13px; top:50%; translate:0 -50%; width:15px; height:15px; stroke:var(--faint); fill:none; }
.count{ font-family:var(--mono); font-size:10.5px; letter-spacing:.18em; color:var(--muted); text-transform:uppercase; white-space:nowrap; }
.filters{ display:flex; flex-wrap:wrap; gap:7px; margin-top:13px; }
.filters .grp{ display:flex; flex-wrap:wrap; gap:7px; padding-right:14px; margin-right:7px; border-right:1px solid var(--line); }
.filters .grp:last-child{ border-right:0; }
button.f{
  font-family:var(--mono); font-size:9.5px; letter-spacing:.18em; text-transform:uppercase;
  background:transparent; border:1px solid var(--line); color:var(--muted);
  padding:6px 11px; border-radius:2px; cursor:pointer; transition:.22s var(--ease);
  display:inline-flex; align-items:center; gap:7px;
}
button.f:hover{ color:var(--text); border-color:var(--line-2); }
button.f[aria-pressed="true"]{ color:#0A0A0A; background:var(--gold-2); border-color:var(--gold-2); font-weight:500; }
button.f[data-area][aria-pressed="true"]{ background:var(--fc); border-color:var(--fc); color:#08090B; }
button.f .sw{ width:6px; height:6px; border-radius:50%; background:var(--fc,var(--gold)); }
button.f[aria-pressed="true"] .sw{ background:rgba(0,0,0,.55); }

.grid{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:3px; overflow:hidden;
  grid-template-columns:repeat(auto-fill,minmax(310px,1fr)); margin-top:38px; }
a.course{
  background:var(--ink-2); padding:26px 26px 24px; display:flex; flex-direction:column; gap:14px;
  position:relative; transition:background .35s var(--ease), transform .35s var(--ease);
  min-height:230px;
}
a.course::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:2px; background:var(--accent);
  opacity:0; transition:.35s var(--ease);
}
a.course:hover{ background:var(--ink-3); }
a.course:hover::before{ opacity:1; }
a.course:hover .sigil{ rotate:22deg; opacity:.95; }
.course .top{ display:flex; justify-content:space-between; align-items:flex-start; gap:14px; }
.course .cc{ font-family:var(--mono); font-size:11px; letter-spacing:.1em; color:var(--accent); }
.course .cc small{ display:block; color:var(--faint); letter-spacing:.18em; font-size:9px; margin-top:5px; text-transform:uppercase; }
.sigil{ width:44px; height:44px; flex:none; opacity:.62; transition:.6s var(--ease); }
.course .ct{ font-family:var(--serif); font-size:1.32rem; line-height:1.24; color:#E4E1DB; margin:0; font-weight:300; }
.course .cs{ font-family:var(--mono); font-size:9px; letter-spacing:.18em; text-transform:uppercase; color:var(--faint); margin:-6px 0 0; }
.course .cd{ font-size:.83rem; color:var(--muted); line-height:1.62; margin:0;
  display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
.course .cf{ margin-top:auto; display:flex; flex-wrap:wrap; gap:6px; align-items:center; padding-top:6px; }
.tag{ font-family:var(--mono); font-size:8.5px; letter-spacing:.16em; text-transform:uppercase;
  padding:3px 7px; border:1px solid var(--line-2); border-radius:2px; color:var(--muted); }
.tag.a{ color:var(--fc); border-color:color-mix(in srgb,var(--fc) 45%, transparent); }
.tag.off{ color:#C2884E; border-color:#5C3F1E; }
.noresult{ padding:70px 0; text-align:center; color:var(--faint); font-family:var(--serif); font-size:1.4rem; font-style:italic; }

/* stats strip */
.stats{ display:grid; grid-template-columns:repeat(auto-fit,minmax(140px,1fr)); gap:1px; background:var(--line);
  border:1px solid var(--line); border-radius:3px; overflow:hidden; }
.stats div{ background:var(--ink-2); padding:24px 22px; }
.stats b{ display:block; font-family:var(--serif); font-weight:400; font-size:2.3rem; color:var(--gold-2); line-height:1; }
.stats span{ font-family:var(--mono); font-size:9.5px; letter-spacing:.2em; text-transform:uppercase; color:var(--faint); margin-top:9px; display:block; }

/* area legend */
.areagrid{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:3px; overflow:hidden;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); }
.areagrid a{ background:var(--ink-2); padding:26px 24px; transition:.3s var(--ease); }
.areagrid a:hover{ background:var(--ink-3); }
.areagrid .k{ font-family:var(--mono); font-size:11px; letter-spacing:.2em; color:var(--fc); }
.areagrid .v{ font-family:var(--serif); font-size:1.5rem; color:#E4E1DB; margin-top:9px; font-weight:300; }
.areagrid .n{ font-family:var(--mono); font-size:9.5px; letter-spacing:.18em; color:var(--faint); margin-top:8px; text-transform:uppercase; }
.areagrid .bar{ height:2px; background:var(--line); margin-top:16px; }
.areagrid .bar i{ display:block; height:100%; background:var(--fc); }

/* reveal */
.rv{ opacity:0; transform:translateY(18px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
.rv.in{ opacity:1; transform:none; }

@media (max-width:820px){
  .rail div{ border-right:0; border-bottom:1px solid var(--line); padding-right:0; }
  .pager{ grid-template-columns:1fr; }
  .pager a:last-child{ text-align:left; }
  .lede::first-letter{ font-size:3.2em; }
  .controls{ position:static; }
}
@media (prefers-reduced-motion:reduce){
  *{ animation-duration:.01ms !important; transition-duration:.01ms !important; }
  .rv{ opacity:1; transform:none; }
  html{ scroll-behavior:auto; }
}

/* ---------- hero stage placement: jewel right, type left ---------- */
@media (min-width:900px){
  .stage{ left:auto; right:-4%; width:min(58%,780px); }
  .hero-copy{ max-width:min(58ch,56%); }
  .hero .rail{ max-width:none; }
}
@media (max-width:899px){
  .stage{ opacity:.5; -webkit-mask-image:radial-gradient(64% 52% at 50% 34%, #000 30%, transparent 74%);
          mask-image:radial-gradient(64% 52% at 50% 34%, #000 30%, transparent 74%); }
  .hero{ min-height:auto; padding-top:34px; }
  .hero .wrap{ padding-top:40px; padding-bottom:52px; }
}

/* ---------- code decoder ---------- */
.decoder{ display:grid; grid-template-columns:repeat(auto-fit,minmax(132px,1fr)); gap:1px; background:var(--line);
  border:1px solid var(--line); border-radius:3px; overflow:hidden; }
.decoder div{ background:var(--ink-2); padding:20px 18px; }
.decoder b{ display:block; font-family:var(--mono); font-size:1.45rem; color:var(--gold-2); letter-spacing:.04em; font-weight:400; }
.decoder i{ display:block; font-style:normal; font-family:var(--mono); font-size:9px; letter-spacing:.2em;
  text-transform:uppercase; color:var(--accent); margin:10px 0 6px; }
.decoder span{ font-size:.82rem; color:var(--muted); line-height:1.55; }

/* raw prose blocks */
.prose{ color:#C6C3BD; font-size:.96rem; line-height:1.75; max-width:74ch; }
.prose + .chips{ margin-top:18px; }

/* ---------- narrow widths: keep the jewel from competing with the headline ---------- */
.hero-copy{ position:relative; }
@media (max-width:899px){
  .stage{ opacity:.42;
    -webkit-mask-image:radial-gradient(58% 46% at 52% 28%, #000 28%, transparent 74%);
    mask-image:radial-gradient(58% 46% at 52% 28%, #000 28%, transparent 74%); }
  .hero-copy::before{
    content:""; position:absolute; inset:-30px -24px; z-index:-1; pointer-events:none;
    background:radial-gradient(96% 78% at 32% 48%,
      color-mix(in srgb, var(--ink) 90%, transparent) 0%,
      color-mix(in srgb, var(--ink) 62%, transparent) 52%, transparent 78%);
  }
  h1.title{ font-size:clamp(2.1rem,8.4vw,3.2rem); }
  .rail dd{ font-size:1.14rem; }
  .cards{ grid-template-columns:1fr; }
  .grid{ grid-template-columns:1fr; }
}
@media (max-width:520px){
  .eyebrow{ gap:8px; font-size:10px; }
  .eyebrow .sep{ display:none; }
  .decoder{ grid-template-columns:1fr 1fr; }
  .plist .c{ width:84px; font-size:10px; }
  .plist .t{ font-size:1rem; }
  .filters .grp{ border-right:0; padding-right:0; margin-right:0; }
}

/* ---------- topbar must never overflow ---------- */
.mark b, .mark span{ white-space:nowrap; }
.topbar .wrap{ overflow:hidden; }
@media (max-width:620px){
  .topbar .wrap{ gap:14px; height:56px; }
  .mark span{ display:none; }
  .mark b{ font-size:17px; }
  .navlink{ font-size:9.5px; letter-spacing:.16em; }
  .navlink.secondary{ display:none; }
}
@media (max-width:400px){
  .mark b{ font-size:15.5px; }
  .navlink{ font-size:9px; letter-spacing:.12em; }
}