:root {
  --bg: #0a0a0d;
  --bg2: #131318;
  --fg: #f2f0ec;
  --muted: #8a8794;
  --accent: #ffcf3f;
  --accent2: #ff4f6d;
  --fib: #ff4f6d;
  --trib: #ffcf3f;
  --line: #26262c;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--fg);
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.65;
}
a { color: var(--accent); }
code { font-family: "SF Mono", Menlo, Consolas, monospace; font-size: .9em; background: var(--bg2); padding: .1em .4em; border: 1px solid var(--line); border-radius: 3px; }

/* NAV */
nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem;
  padding: 1rem 5vw;
  background: rgba(10,10,13,.88); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
nav .logo { font-weight: 900; font-size: 1.3rem; letter-spacing: .15em; color: var(--accent); text-decoration: none; }
nav .links a { color: var(--muted); text-decoration: none; margin-left: 1.3rem; font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; }
nav .links a:hover, nav .links a.active { color: var(--accent); }

/* HERO */
header.hero {
  min-height: 72vh; display: flex; flex-direction: column; justify-content: center;
  padding: 5rem 5vw; max-width: 1100px; margin: 0 auto;
  background:
    radial-gradient(ellipse at 15% 15%, rgba(255,207,63,.07), transparent 50%),
    radial-gradient(ellipse at 85% 85%, rgba(255,79,109,.07), transparent 50%);
}
.kicker { color: var(--muted); text-transform: uppercase; letter-spacing: .3em; font-size: .85rem; }
header.hero h1 {
  margin-top: 1rem;
  font-size: clamp(1.8rem, 4.5vw, 3.4rem); font-weight: 900; line-height: 1.15;
}
header.hero h1 .hl {
  background: linear-gradient(120deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.subtitle { margin-top: 1rem; color: var(--muted); font-size: 1.1rem; max-width: 62ch; }
.byline { margin-top: 1.5rem; font-size: .95rem; color: var(--muted); }
.byline b { color: var(--fg); }
.badges { margin-top: 1.5rem; display: flex; gap: .8rem; flex-wrap: wrap; align-items: center; }
.badges img { height: 20px; display: block; }
.btn {
  display: inline-block; padding: .7rem 1.6rem; border: 2px solid var(--accent);
  color: var(--accent); text-decoration: none; font-weight: 700; font-size: .85rem;
  text-transform: uppercase; letter-spacing: .12em; transition: all .2s;
}
.btn:hover { background: var(--accent); color: var(--bg); }
.btn.ghost { border-color: var(--line); color: var(--muted); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn-row { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* SECTIONS */
section, .page-head { padding: 5rem 5vw; max-width: 1100px; margin: 0 auto; }
section { border-top: 1px solid var(--line); }
.page-head { padding-bottom: 0; }
.page-head + section { border-top: none; padding-top: 2.5rem; }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 900; margin-bottom: 1.2rem; }
h2 span { color: var(--accent); }
p.lead { color: var(--muted); max-width: 68ch; }
p.lead + p.lead { margin-top: 1rem; }
p.lead strong { color: var(--fg); }

/* STATS */
.stats { display: grid; gap: 1.2rem; margin-top: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.stat { background: var(--bg2); border: 1px solid var(--line); padding: 1.8rem; position: relative; }
.stat .num { font-size: 2.4rem; font-weight: 900; color: var(--accent); line-height: 1.1; }
.stat h3 { margin: .5rem 0 .3rem; font-size: 1rem; }
.stat p { color: var(--muted); font-size: .9rem; }

/* IPR BAR VIZ */
.viz { margin-top: 2.5rem; background: var(--bg2); border: 1px solid var(--line); padding: 2rem; position: relative; }
.viz h3 { font-size: 1rem; margin-bottom: .3rem; }
.viz .sub { color: var(--muted); font-size: .85rem; margin-bottom: 1.5rem; }
.bar-row { display: grid; grid-template-columns: 110px 1fr 70px; align-items: center; gap: 1rem; margin-top: .9rem; font-size: .9rem; }
.bar-track { background: #1c1c22; height: 26px; position: relative; overflow: hidden; }
.bar-fill { height: 100%; width: 0; transition: width 1.2s cubic-bezier(.2,.8,.2,1); }
.bar-fill.trib { background: var(--trib); }
.bar-fill.fib { background: var(--fib); }
.bar-row .val { font-weight: 800; text-align: right; }

/* CARDS */
.cards { display: grid; gap: 1.2rem; margin-top: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card { background: var(--bg2); border: 1px solid var(--line); padding: 1.6rem; position: relative; }
.card h3 { font-size: 1rem; margin-bottom: .4rem; }
.card h3 em { color: var(--accent); font-style: normal; margin-right: .4rem; }
.card p { color: var(--muted); font-size: .92rem; }

/* TABLES */
table { width: 100%; border-collapse: collapse; margin-top: 2rem; font-size: .95rem; }
th, td { text-align: left; padding: .8rem 1rem; border-bottom: 1px solid var(--line); }
th { text-transform: uppercase; letter-spacing: .1em; font-size: .75rem; color: var(--muted); }
td:first-child { font-weight: 600; }
.tag { display: inline-block; padding: .1em .6em; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; border: 1px solid; border-radius: 3px; }
.tag.closed { color: #6fe08c; border-color: #2c5238; }
.tag.partial { color: var(--accent); border-color: #5a4b1a; }
.tag.open { color: var(--accent2); border-color: #5a2430; }

/* LEAN */
.lean-list { margin-top: 2rem; display: grid; gap: .6rem; }
.lean-item {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
  background: var(--bg2); border: 1px solid var(--line); padding: .8rem 1.2rem;
  font-family: "SF Mono", Menlo, Consolas, monospace; font-size: .88rem;
}
.lean-item .check { color: #6fe08c; font-weight: 700; white-space: nowrap; }
.lean-item .todo { color: var(--accent2); font-weight: 700; white-space: nowrap; }

/* LINK CARDS */
.link-grid { display: grid; gap: 1.2rem; margin-top: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.link-card { display: block; background: var(--bg2); border: 1px solid var(--line); padding: 1.6rem; text-decoration: none; transition: border-color .2s, transform .15s; }
.link-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.link-card h3 { color: var(--fg); font-size: 1rem; }
.link-card p { color: var(--muted); font-size: .88rem; margin-top: .3rem; }
.link-card .url { color: var(--accent); font-size: .8rem; font-family: "SF Mono", Menlo, monospace; margin-top: .8rem; word-break: break-all; }

/* CITATION */
.cite-box {
  margin-top: 2rem; background: var(--bg2); border: 1px solid var(--line); padding: 1.6rem;
  font-family: "SF Mono", Menlo, Consolas, monospace; font-size: .88rem; color: var(--muted);
  position: relative;
}
.cite-box button {
  position: absolute; top: .8rem; right: .8rem;
  background: none; border: 1px solid var(--line); color: var(--muted);
  padding: .3rem .8rem; cursor: pointer; font-size: .75rem; text-transform: uppercase; letter-spacing: .08em;
}
.cite-box button:hover { color: var(--accent); border-color: var(--accent); }

/* FOOTER */
footer { border-top: 1px solid var(--line); padding: 4rem 5vw; text-align: center; color: var(--muted); font-size: .9rem; }
footer .contact { margin-top: 2rem; }
.cat-counter { margin-top: 1.2rem; font-size: .75rem; text-transform: uppercase; letter-spacing: .2em; color: var(--muted); }
.cat-counter b { color: var(--accent); }

/* ===== CAT BOXES ===== */
.catbox {
  cursor: pointer; user-select: none; display: inline-block;
  transition: transform .15s; line-height: 1;
}
.catbox:hover { transform: translateY(-3px) rotate(-4deg); }
.catbox.opened { opacity: .45; }
.catbox.corner { position: absolute; top: .6rem; right: .8rem; font-size: 1rem; opacity: .35; }
.catbox.corner:hover { opacity: 1; }
.catbox.inline { font-size: .95em; opacity: .5; margin-left: .3em; }
.catbox.inline:hover { opacity: 1; }
.catbox.big { font-size: 2.4rem; }

/* modal */
.cat-modal {
  position: fixed; inset: 0; z-index: 100; display: none;
  align-items: center; justify-content: center;
  background: rgba(10,10,13,.88); backdrop-filter: blur(6px);
}
.cat-modal.show { display: flex; }
.cat-modal .inner {
  background: var(--bg2); border: 1px solid var(--accent); padding: 1rem;
  max-width: min(90vw, 460px); text-align: center;
  animation: popin .3s cubic-bezier(.2,.9,.3,1.3);
}
@keyframes popin { from { transform: scale(.7); opacity: 0; } }
.cat-modal img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; background: #1c1c22; }
.cat-modal .state {
  margin-top: .8rem; font-size: .8rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: .25em; color: var(--accent);
}
.cat-modal .hint { margin-top: .4rem; font-size: .75rem; color: var(--muted); }