/* BioFlux Arts Studio — Atelier concept — Est. 2017 */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=IBM+Plex+Sans:wght@400;500&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --ink:#0c2321;
  --ink-soft:#123330;
  --paper:#ece1c6;
  --paper-dim:#7e988f;
  --seal:#c9a15f;
  --steel:#3c5951;
  --line: rgba(201,161,95,0.16);
  --radius: 2px;
  --max: 1180px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}

body{
  background:var(--ink);
  color:var(--paper);
  font-family:'IBM Plex Sans', sans-serif;
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}

h1,h2,h3,h4{
  font-family:'Fraunces', serif;
  font-weight:500;
  line-height:1.12;
}

a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px;}

.eyebrow{
  font-family:'JetBrains Mono', monospace;
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--seal);
  display:block;
}

.mono{font-family:'JetBrains Mono',monospace;}

/* Header */
header.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(20,21,28,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 0;
}
.logo{
  font-family:'Fraunces', serif;font-style:italic;font-size:22px;letter-spacing:.02em;
  display:flex;align-items:center;gap:12px;
}
.logo-mark{height:32px;width:auto;display:block;flex-shrink:0;}
.logo span.dot{color:var(--seal);font-style:normal;}
.logo .est{
  font-family:'JetBrains Mono',monospace;font-style:normal;font-size:10px;
  color:var(--paper-dim);letter-spacing:.1em;text-transform:uppercase;
  align-self:center;
}

.nav-toggle{
  display:none;background:none;border:0;cursor:pointer;
  flex-direction:column;gap:5px;padding:8px;
}
.nav-toggle span{width:22px;height:1.5px;background:var(--paper);display:block;}

nav.main-nav ul{list-style:none;display:flex;gap:32px;}
nav.main-nav a{
  color:var(--paper-dim);font-size:14px;letter-spacing:.02em;
  position:relative;padding:4px 0;
}
nav.main-nav a:hover, nav.main-nav a.active{color:var(--paper);}
nav.main-nav a.active{color:var(--seal);}

/* Hero */
.hero{padding:110px 0 70px;max-width:680px;}
.hero h1{font-size:clamp(2.2rem,4.6vw,3.4rem);margin-top:16px;}
.hero h1 em{font-style:italic;color:var(--seal);}
.hero p{color:var(--paper-dim);font-size:16px;margin-top:20px;max-width:56ch;}
.hero-actions{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--seal);color:var(--paper);
  padding:12px 22px;border-radius:var(--radius);
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  transition:background .2s ease;background:transparent;
}
.btn:hover{background:var(--seal);}
.btn.solid{background:var(--seal);}
.btn.solid:hover{background:#a9803f;}
.btn.ghost{border-color:var(--line);color:var(--paper-dim);}
.btn.ghost:hover{border-color:var(--paper-dim);color:var(--paper);background:transparent;}

/* Sections */
section{padding:70px 0;}
section.alt{background:var(--ink-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:44px;max-width:60ch;}
.section-head h2{font-size:clamp(1.7rem,3.2vw,2.3rem);margin-top:10px;}
.section-head p{color:var(--paper-dim);margin-top:14px;font-size:15px;}

/* Canvas / collection grid */
.grid{display:grid;gap:2px;background:var(--line);}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}

.canvas-card{
  background:var(--ink);padding:34px 28px;min-height:280px;
  display:flex;flex-direction:column;justify-content:flex-end;
  position:relative;overflow:hidden;transition:background .3s ease;
}
.canvas-card:hover{background:var(--ink-soft);}
.canvas-card .glyph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  opacity:.5;transition:opacity .3s ease, transform .4s ease;
}
.canvas-card:hover .glyph{opacity:.85;transform:scale(1.06);}
.canvas-card .body{position:relative;z-index:2;}
.canvas-card .tag{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--seal);letter-spacing:.06em;}
.canvas-card h3{font-size:1.4rem;margin-top:10px;font-style:italic;}
.canvas-card .file{
  font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--paper-dim);
  margin-top:8px;letter-spacing:.03em;
}

/* Artbook teaser */
.artbook-strip{
  display:flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.artbook-tile{
  flex:1;padding:36px 30px;border-right:1px solid var(--line);
  transition:background .25s ease;
}
.artbook-tile:last-child{border-right:none;}
.artbook-tile:hover{background:var(--ink-soft);}
.artbook-tile .num{font-family:'JetBrains Mono',monospace;color:var(--paper-dim);font-size:12px;}
.artbook-tile h3{font-size:1.3rem;margin-top:10px;font-style:italic;}
.artbook-tile p{color:var(--paper-dim);font-size:13px;margin-top:10px;}
.artbook-tile .open{
  margin-top:18px;display:inline-flex;align-items:center;gap:8px;
  font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--seal);
}

/* CTA */
.cta{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:48px;display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:24px;
}
.cta h2{font-size:1.6rem;max-width:22ch;}
.cta p{color:var(--paper-dim);margin-top:8px;}

/* Footer */
footer.site-footer{
  border-top:1px solid var(--line);padding:44px 0;
}
.footer-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;color:var(--paper-dim);font-size:13px;}
.footer-row a:hover{color:var(--paper);}

/* --- Planner / sitemap page --- */
.planner-header{padding:80px 0 40px;border-bottom:1px solid var(--line);}
.planner-header h1{font-size:clamp(2rem,4vw,2.8rem);margin-top:14px;}
.planner-header p{color:var(--paper-dim);margin-top:16px;max-width:60ch;font-size:15px;}

.planner-legend{
  display:flex;gap:28px;flex-wrap:wrap;padding:24px 0 0;
  font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--paper-dim);
  letter-spacing:.04em;text-transform:uppercase;
}
.planner-legend span.key{color:var(--seal);}

.tree{padding:60px 0;}
.tree-root{
  font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:0;overflow:hidden;
}
.tree-node{
  display:grid;grid-template-columns:220px 1fr 160px 200px;
  gap:16px;padding:18px 24px;border-bottom:1px solid var(--line);
  align-items:center;transition:background .2s ease;
}
.tree-node:last-child{border-bottom:none;}
.tree-node:hover{background:var(--ink-soft);}
.tree-node.head{
  background:var(--ink-soft);color:var(--paper-dim);font-size:10px;
  letter-spacing:.1em;text-transform:uppercase;
}
.tree-node .path{color:var(--paper);font-style:normal;}
.tree-node .path .indent{color:var(--paper-dim);}
.tree-node .label{color:var(--paper-dim);font-family:'IBM Plex Sans',sans-serif;font-size:13px;}
.tree-node .tag-cell{color:var(--seal);}
.tree-node .asset{color:var(--steel);}

.tree-section-label{
  font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--paper-dim);
  letter-spacing:.1em;text-transform:uppercase;margin:36px 0 12px;
}

.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line);margin-top:40px;}
.status-card{background:var(--ink);padding:24px;}
.status-card .n{font-family:'Fraunces',serif;font-size:2rem;color:var(--seal);}
.status-card .l{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--paper-dim);letter-spacing:.08em;text-transform:uppercase;margin-top:6px;display:block;}

/* --- Sub-nav for design/planning pages --- */
.subnav{border-bottom:1px solid var(--line);background:var(--ink-soft);}
.subnav ul{list-style:none;display:flex;gap:0;flex-wrap:wrap;}
.subnav a{
  display:block;padding:16px 22px;font-family:'JetBrains Mono',monospace;
  font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--paper-dim);
  border-right:1px solid var(--line);transition:color .2s ease,background .2s ease;
}
.subnav a:hover{color:var(--paper);}
.subnav a.active{color:var(--seal);background:var(--ink);}

/* --- Brand mark ---
   The mark is the studio's actual icon asset (assets/brand/jellyfish-mark.png) —
   used as-is, never redrawn or recolored. Only its size, placement, and surrounding
   background change from one application to the next. */
.mark-badge{
  width:96px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
}
.mark-badge img{width:100%;height:auto;display:block;}
.mark-badge.small{width:56px;}
.mark-badge.tiny{width:34px;}

/* --- Palette swatches --- */
.swatch-row{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line);}
.swatch-card{background:var(--ink);padding:0;}
.swatch-fill{height:120px;}
.swatch-meta{padding:16px 18px;}
.swatch-meta .name{font-family:'Fraunces',serif;font-style:italic;font-size:1.05rem;}
.swatch-meta .hex{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--paper-dim);margin-top:6px;display:block;}
.swatch-meta .use{font-size:12px;color:var(--paper-dim);margin-top:8px;}

/* --- Type specimen --- */
.specimen{border:1px solid var(--line);padding:28px;margin-bottom:2px;}
.specimen .eyebrow{margin-bottom:14px;}
.specimen .sample{color:var(--paper);}

/* --- Clearspace / usage diagram --- */
.clearspace-box{
  border:1px dashed var(--line);padding:40px;
  display:flex;align-items:center;justify-content:center;
  position:relative;
}
.clearspace-box .measure{
  position:absolute;font-family:'JetBrains Mono',monospace;font-size:10px;
  color:var(--paper-dim);letter-spacing:.05em;
}
.clearspace-box .measure.top{top:8px;left:50%;transform:translateX(-50%);}
.clearspace-box .measure.left{left:8px;top:50%;transform:translateY(-50%) rotate(-90deg);}

.dos-donts{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);}
.do-card,.dont-card{background:var(--ink);padding:26px;}
.do-card .flag,.dont-card .flag{
  font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.1em;
  text-transform:uppercase;
}
.do-card .flag{color:#7fae8f;}
.dont-card .flag{color:#b5695c;}
.do-card .mark-badge,.dont-card .mark-badge{margin:18px 0;}

/* --- Mascot exploration grid --- */
.mascot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line);}
.mascot-cell{
  background:var(--ink);aspect-ratio:3/4;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:18px;transition:background .25s ease;
}
.mascot-cell:hover{background:var(--ink-soft);}
.mascot-cell img{width:64px;height:auto;}
.mascot-cell .cell-label{
  font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--paper-dim);
  letter-spacing:.06em;text-transform:uppercase;text-align:center;
}
/* Every cell shows the same unaltered mark — only context (background, size, opacity) changes */
.mascot-cell.tone-gold{background:rgba(201,161,95,0.10);}
.mascot-cell.tone-gold:hover{background:rgba(201,161,95,0.16);}
.mascot-cell.tone-steel{background:rgba(60,89,81,0.35);}
.mascot-cell.tone-steel:hover{background:rgba(60,89,81,0.5);}
.mascot-cell.tone-dim img{opacity:.4;}
.mascot-cell.inverted{background:var(--paper);}
.mascot-cell.inverted:hover{background:var(--paper);}
.mascot-cell.filled-gold{background:var(--seal);}
.mascot-cell.filled-gold:hover{background:var(--seal);}
.mascot-cell.scale-up img{width:88px;}
.mascot-cell.scale-down img{width:40px;}

.ref-compare{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);}
.ref-panel{background:var(--ink);padding:28px;text-align:center;}
.ref-panel img{max-width:180px;margin:0 auto;}
.ref-panel .cap{margin-top:16px;}

@media (max-width:900px){
  .grid.cols-3{grid-template-columns:1fr;}
  .artbook-strip{flex-direction:column;}
  .artbook-tile{border-right:none;border-bottom:1px solid var(--line);}
  .artbook-tile:last-child{border-bottom:none;}
  .tree-node{grid-template-columns:1fr;gap:4px;}
  .status-grid{grid-template-columns:1fr 1fr;}
  .swatch-row{grid-template-columns:1fr 1fr;}
  .mascot-grid{grid-template-columns:1fr 1fr;}
  .dos-donts{grid-template-columns:1fr;}
  .ref-compare{grid-template-columns:1fr;}
}

@media (max-width:720px){
  .nav-toggle{display:flex;}
  nav.main-nav{
    position:absolute;top:100%;left:0;right:0;
    background:var(--ink);border-bottom:1px solid var(--line);
    display:none;
  }
  nav.main-nav.open{display:block;}
  nav.main-nav ul{flex-direction:column;padding:8px 32px 20px;gap:0;}
  nav.main-nav li{border-top:1px solid var(--line);}
  nav.main-nav a{display:block;padding:14px 0;}
  .cta{flex-direction:column;align-items:flex-start;}
}