:root{
  --ink:#181c2a; --ink-soft:#3c4257; --paper:#f4f2ec; --card:#fffdf7;
  --yellow:#f5b301; --orange:#f0662d; --red:#e23a3a; --purple:#7b4fd8; --green:#2fa36b;
  --shadow: 6px 6px 0 var(--ink);
  --font-disp:'Bricolage Grotesque', sans-serif;
  --font-body:'Atkinson Hyperlegible', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background-color:var(--paper);
  background-image: radial-gradient(rgba(24,28,42,0.11) 1.1px, transparent 1.1px);
  background-size: 24px 24px;
  -webkit-font-smoothing:antialiased;
}

.page{position:relative; overflow-x:hidden;}

/* Floating geometry */
.geo-layer{position:fixed; inset:0; z-index:0; pointer-events:none;}
.geo{position:absolute; opacity:0.55;}
.geo-float{animation-name:floaty; animation-iteration-count:infinite; animation-timing-function:ease-in-out;}
@keyframes floaty{
  0%{transform:translateY(0) rotate(0deg);}
  50%{transform:translateY(-26px) rotate(180deg);}
  100%{transform:translateY(0) rotate(360deg);}
}
@media (prefers-reduced-motion: reduce){
  .geo-float{animation:none;}
  html{scroll-behavior:auto;}
}

/* Topbar */
.topbar{
  position:fixed; top:0; left:0; right:0; z-index:50;
  background:var(--card);
  border-bottom:3px solid var(--ink);
  box-shadow:0 4px 0 rgba(24,28,42,0.15);
}
.progress-bar{
  position:absolute; top:0; left:0; height:5px;
  background:linear-gradient(90deg, var(--yellow), var(--orange));
  transition:width 0.1s linear;
}
.topbar-inner{
  max-width:1240px; margin:0 auto; padding:12px 20px;
  display:flex; align-items:center; gap:20px;
}
.brand{display:flex; align-items:center; gap:8px; font-family:var(--font-disp); font-weight:800; font-size:18px;}
.brand-diamond{color:var(--red); font-size:12px;}
.brand-mono{font-family:var(--font-mono); color:var(--purple); font-weight:600;}
.brand-name{white-space:nowrap;}
.topnav{display:flex; gap:6px; margin-left:auto;}
.topnav-link{
  font-family:var(--font-body); font-size:14px; color:var(--ink-soft);
  background:none; border:none; cursor:pointer; padding:6px 10px; border-radius:8px;
  transition:all 0.15s ease;
}
.topnav-link:hover{color:var(--ink); background:rgba(24,28,42,0.06);}
.topnav-link.active{color:var(--ink); font-weight:700; background:var(--yellow);}
.topbar-right{display:flex; align-items:center; gap:12px;}
.prog-read{font-family:var(--font-mono); font-size:13px; color:var(--ink-soft);}
.cta-red{
  font-family:var(--font-disp); font-weight:700; font-size:14px;
  background:var(--red); color:#fff; text-decoration:none;
  padding:9px 16px; border:2px solid var(--ink); border-radius:12px;
  box-shadow:3px 3px 0 var(--ink); white-space:nowrap;
  transition:all 0.15s ease;
}
.cta-red:hover{transform:translate(-2px,-2px); box-shadow:5px 5px 0 var(--ink);}

/* Left rail */
.leftrail{
  position:fixed; left:24px; top:50%; transform:translateY(-50%);
  z-index:40; display:flex; flex-direction:column; gap:22px;
}
.rail-line{
  position:absolute; left:6px; top:6px; bottom:6px; width:2px;
  background:rgba(24,28,42,0.2); z-index:-1;
}
.rail-item{
  display:flex; align-items:center; gap:10px;
  background:none; border:none; cursor:pointer; padding:0;
  font-family:var(--font-mono); font-size:12px; color:var(--ink-soft);
}
.rail-dot{
  width:13px; height:13px; border-radius:50%;
  border:2px solid var(--ink-soft); background:var(--paper);
  flex-shrink:0; transition:all 0.2s ease;
}
.rail-num{font-weight:600; opacity:0;}
.rail-label{opacity:0; transition:all 0.2s ease; white-space:nowrap; font-family:var(--font-body); font-weight:700;}
.rail-item:hover .rail-num, .rail-item:hover .rail-label{opacity:1;}
.rail-item.active .rail-dot{background:var(--purple); border-color:var(--purple); transform:scale(1.3);}
.rail-item.active .rail-num, .rail-item.active .rail-label{opacity:1; color:var(--ink);}

/* Main */
.main{max-width:1180px; margin:0 auto; padding:0 24px; position:relative; z-index:2; padding-top:90px;}
.section{padding:70px 0; position:relative;}
.sec-head{max-width:640px; margin-bottom:38px;}
.sec-tag{font-family:var(--font-mono); font-size:13px; letter-spacing:0.14em; font-weight:600; display:block; margin-bottom:12px;}
.sec-title{font-family:var(--font-disp); font-weight:800; font-size:clamp(1.8rem,4vw,2.8rem); line-height:1.05; letter-spacing:-0.02em;}
.sec-sub{margin-top:14px; color:var(--ink-soft); font-size:16px; line-height:1.5;}

/* Hero */
.hero{
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:48px;
  padding:56px 0 80px; align-items:start;
}
.kicker{
  font-family:var(--font-mono); font-size:13px; letter-spacing:0.16em; font-weight:600;
  color:var(--ink-soft); display:inline-flex; align-items:center; gap:8px; margin-bottom:22px;
}
.kicker-diamond{color:var(--red);}
.headline{
  font-family:var(--font-disp); font-weight:800; letter-spacing:-0.03em;
  font-size:clamp(2.3rem,5.2vw,4.4rem); line-height:1.02; margin-bottom:22px;
}
.mono-inline{font-family:var(--font-mono); font-size:0.72em; background:var(--ink); color:var(--green); padding:2px 10px; border-radius:8px; font-weight:500;}
.hl{
  background:linear-gradient(180deg, transparent 58%, var(--yellow) 58%);
  padding:0 4px; box-decoration-break:clone; -webkit-box-decoration-break:clone;
}
.subhead{font-size:18px; line-height:1.55; color:var(--ink-soft); max-width:520px; margin-bottom:26px;}
.chips{display:flex; flex-wrap:wrap; gap:9px; margin-bottom:30px;}
.chip{
  font-family:var(--font-body); font-weight:700; font-size:13px;
  background:var(--card); border:2px solid var(--ink); border-radius:999px;
  padding:6px 14px; transform:rotate(var(--rot,0)); transition:all 0.18s ease;
  box-shadow:2px 2px 0 var(--ink);
}
.chip:hover{transform:rotate(0) translate(-1px,-1px); background:var(--yellow); box-shadow:4px 4px 0 var(--ink);}
.hero-ctas{display:flex; flex-wrap:wrap; gap:14px;}
.cta-primary{
  font-family:var(--font-disp); font-weight:700; font-size:17px;
  background:var(--orange); color:#fff; text-decoration:none;
  padding:14px 26px; border:2.5px solid var(--ink); border-radius:14px;
  box-shadow:var(--shadow); transition:all 0.18s ease;
}
.cta-primary:hover{transform:translate(-3px,-3px); box-shadow:9px 9px 0 var(--ink);}
.cta-secondary{
  font-family:var(--font-disp); font-weight:700; font-size:17px;
  background:var(--card); color:var(--ink); cursor:pointer;
  padding:14px 26px; border:2.5px solid var(--ink); border-radius:14px;
  box-shadow:var(--shadow); transition:all 0.18s ease;
}
.cta-secondary:hover{transform:translate(-3px,-3px); box-shadow:9px 9px 0 var(--ink); background:var(--paper);}

/* Terminal */
.hero-right{position:relative;}
.term-sticky{position:sticky; top:110px;}
.terminal{
  background:var(--ink); border:3px solid var(--ink); border-radius:16px;
  box-shadow:10px 10px 0 rgba(123,79,216,0.6);
  overflow:hidden; transform:rotate(1.2deg); transition:transform 0.3s ease;
}
.terminal:hover{transform:rotate(0);}
.term-bar{
  display:flex; align-items:center; gap:12px; padding:11px 14px;
  background:#22273a; border-bottom:1px solid #333a52;
}
.term-dots{display:flex; gap:7px;}
.term-dots span{width:12px; height:12px; border-radius:50%; display:block;}
.term-title{font-family:var(--font-mono); font-size:12px; color:#8a90a6;}
.term-body{
  padding:18px 14px 20px; font-family:var(--font-mono); font-size:13px; line-height:1.7;
  min-height:220px; overflow-x:auto; transition:opacity 0.3s ease, transform 0.3s ease;
}
.term-in{opacity:1; transform:translateY(0);}
.term-out{opacity:0; transform:translateY(8px);}
.term-line{display:flex; gap:14px; white-space:pre;}
.term-gutter{color:#4a5170; user-select:none; min-width:16px; text-align:right;}
.term-code{color:#dfe3ee;}
.term-cursor{display:inline-block; width:8px; height:15px; background:var(--green); vertical-align:middle; animation:blink 1s step-end infinite;}
@keyframes blink{50%{opacity:0;}}
.term-tabs{display:flex; gap:8px; padding:10px 14px; background:#1d2233; border-top:1px solid #333a52;}
.term-tab{
  width:34px; height:6px; border-radius:99px; border:none; cursor:pointer;
  background:#3c4257; transition:all 0.2s ease;
}
.term-tab.active{background:var(--yellow); width:44px;}

/* Rules */
.rules-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.rule-card{
  background:var(--card); border:3px solid var(--ink); border-radius:20px;
  padding:26px 24px; transform:rotate(var(--rot,0));
  box-shadow:6px 6px 0 var(--ink); transition:all 0.2s ease;
}
.rule-card:hover{transform:rotate(0) translate(-3px,-3px); box-shadow:9px 9px 0 var(--sh);}
.rule-icon{
  width:52px; height:52px; border-radius:14px; border:2.5px solid var(--ink);
  display:flex; align-items:center; justify-content:center; font-size:20px; color:#fff;
  margin-bottom:18px; transform:rotate(-6deg);
}
.rule-title{font-family:var(--font-disp); font-weight:800; font-size:22px; margin-bottom:10px;}
.rule-body{color:var(--ink-soft); line-height:1.55; font-size:15px;}

/* Tiles */
.tiles-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
.tile{
  background:var(--card); border:3px solid var(--ink); border-radius:18px;
  padding:26px 18px; text-align:center; transform:rotate(var(--rot,0));
  box-shadow:5px 5px 0 var(--ink); transition:all 0.2s ease;
}
.tile:hover{transform:rotate(0) translate(-2px,-4px); box-shadow:7px 9px 0 var(--sh);}
.tile-num{font-family:var(--font-mono); font-weight:600; font-size:clamp(2rem,4vw,2.8rem); line-height:1;}
.tile-label{font-family:var(--font-body); font-weight:700; font-size:14px; color:var(--ink); margin-top:10px;}

/* Trail */
.trail-wrap{
  display:flex; gap:6px; align-items:flex-start; overflow-x:auto; padding:8px 2px 20px;
}
.trail-seg{flex:1; min-width:130px; position:relative; text-align:center; cursor:default;}
.trail-bar{height:10px; border-radius:99px; border:2px solid var(--ink); transition:all 0.25s ease;}
.trail-seg:hover .trail-bar{height:14px;}
.trail-node{
  width:22px; height:22px; border-radius:50%; border:3px solid;
  margin:-16px auto 0; position:relative; z-index:2; transition:all 0.25s ease;
}
.trail-seg:hover .trail-node{transform:scale(1.25);}
.trail-cap{margin-top:12px;}
.trail-capn{font-family:var(--font-mono); font-weight:600; font-size:13px; display:block;}
.trail-capt{font-family:var(--font-disp); font-weight:700; font-size:15px; display:block;}
.trail-seg.done .trail-bar{box-shadow:0 0 0 2px rgba(24,28,42,0.1);}

/* Accordions */
.accordions{display:flex; flex-direction:column; gap:16px;}
.accordion{
  background:var(--card); border:3px solid var(--ink); border-left-width:9px;
  border-radius:16px; box-shadow:5px 5px 0 var(--ink);
  transition:box-shadow 0.2s ease, transform 0.2s ease; overflow:hidden;
}
.accordion:hover{transform:translate(-2px,-2px); box-shadow:8px 8px 0 var(--ink);}
.acc-head{
  width:100%; display:flex; align-items:center; gap:18px; padding:20px 22px;
  background:none; border:none; cursor:pointer; text-align:left;
}
.acc-num{font-family:var(--font-mono); font-weight:600; font-size:26px; min-width:44px;}
.acc-headtext{flex:1;}
.acc-titlerow{display:flex; align-items:center; gap:10px; flex-wrap:wrap;}
.acc-title{font-family:var(--font-disp); font-weight:800; font-size:22px;}
.acc-read{font-family:var(--font-mono); font-size:10px; font-weight:600; color:#fff; padding:2px 8px; border-radius:99px; letter-spacing:0.05em;}
.acc-summary{display:block; color:var(--ink-soft); font-size:14px; margin-top:3px; line-height:1.4;}
.acc-chev{font-size:22px; transition:transform 0.3s ease;}
.acc-chev.spun{transform:rotate(180deg);}
.acc-body{max-height:0; opacity:0; transition:max-height 0.35s ease, opacity 0.3s ease;}
.acc-body.show{max-height:600px; opacity:1;}
.acc-inner{padding:0 22px 24px 84px;}
.acc-list{list-style:none; display:flex; flex-direction:column; gap:11px; margin-bottom:20px;}
.acc-list li{display:flex; align-items:flex-start; gap:12px; font-size:15px; color:var(--ink); line-height:1.4;}
.acc-bullet{width:9px; height:9px; border-radius:3px; margin-top:6px; flex-shrink:0; border:1.5px solid var(--ink);}
.acc-cta{
  display:inline-block; font-family:var(--font-disp); font-weight:700; font-size:14px;
  color:#fff; text-decoration:none; padding:9px 18px; border:2px solid var(--ink);
  border-radius:11px; box-shadow:3px 3px 0 var(--ink); transition:all 0.15s ease;
}
.acc-cta:hover{transform:translate(-2px,-2px); box-shadow:5px 5px 0 var(--ink);}

/* Testimonials */
.test-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.test-card{
  background:var(--card); border:3px solid var(--ink); border-radius:18px;
  padding:26px 24px; transform:rotate(var(--rot,0));
  box-shadow:6px 6px 0 var(--ink); transition:all 0.2s ease;
}
.test-card:hover{transform:rotate(0) translate(-2px,-2px); box-shadow:9px 9px 0 var(--sh);}
.test-quote{font-size:16px; line-height:1.5; margin-bottom:20px; font-style:italic;}
.test-who{display:flex; align-items:center; gap:12px;}
.test-avatar{
  width:44px; height:44px; border-radius:50%; border:2.5px solid var(--ink);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-disp); font-weight:800; color:#fff; font-size:18px;
}
.test-name{font-family:var(--font-disp); font-weight:700; font-size:15px;}
.test-role{font-family:var(--font-mono); font-size:12px; color:var(--ink-soft);}

/* Final CTA */
.final-cta{
  background:var(--ink); border-radius:26px; margin:70px 0 40px;
  padding:70px 30px; text-align:center; position:relative; overflow:hidden;
  border:3px solid var(--ink); box-shadow:10px 10px 0 var(--orange);
}
.final-inner{position:relative; z-index:2; max-width:640px; margin:0 auto;}
.final-kicker{font-family:var(--font-mono); font-size:13px; letter-spacing:0.16em; color:var(--yellow); font-weight:600;}
.final-title{font-family:var(--font-disp); font-weight:800; color:var(--paper); font-size:clamp(2.2rem,5vw,3.6rem); line-height:1.02; margin:16px 0;}
.final-hl{background:linear-gradient(180deg, transparent 58%, var(--purple) 58%); padding:0 6px;}
.final-sub{color:#b8bdd0; font-size:18px; line-height:1.5; margin-bottom:32px;}
.final-btn{
  display:inline-block; font-family:var(--font-disp); font-weight:800; font-size:19px;
  background:var(--yellow); color:var(--ink); text-decoration:none;
  padding:17px 34px; border:3px solid var(--paper); border-radius:16px;
  box-shadow:6px 6px 0 var(--red); transition:all 0.18s ease;
}
.final-btn:hover{transform:translate(-3px,-3px); box-shadow:9px 9px 0 var(--red);}
.final-note{font-family:var(--font-mono); font-size:12px; color:#8a90a6; margin-top:20px;}

/* Footer */
.footer{background:var(--ink); color:var(--paper); position:relative; z-index:2; margin-top:20px;}
.footer-inner{max-width:1180px; margin:0 auto; padding:54px 24px 30px; display:flex; flex-wrap:wrap; gap:40px; justify-content:space-between;}
.footer-brand{font-family:var(--font-disp); font-weight:800; font-size:22px; max-width:300px;}
.footer-tag{font-family:var(--font-body); font-weight:400; font-size:14px; color:#8a90a6; margin-top:10px; line-height:1.5;}
.footer-cols{display:flex; gap:56px;}
.footer-col-h{font-family:var(--font-mono); font-size:12px; letter-spacing:0.12em; color:var(--yellow); margin-bottom:14px; text-transform:uppercase;}
.footer-link{display:block; background:none; border:none; cursor:pointer; text-align:left; color:#c9cddd; font-family:var(--font-body); font-size:14px; text-decoration:none; padding:5px 0; transition:color 0.15s ease;}
.footer-link:hover{color:var(--yellow);}
.footer-bottom{border-top:1px solid #2b3048; padding:18px 24px; max-width:1180px; margin:0 auto; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px; font-family:var(--font-mono); font-size:12px; color:#6b7290;}
.footer-remix{color:var(--yellow); text-decoration:none; font-weight:600;}
.footer-remix:hover{text-decoration:underline;}

/* Responsive */
@media (max-width:1120px){ .leftrail{display:none;} }
@media (max-width:900px){
  .topnav{display:none;}
  .hero{grid-template-columns:1fr; gap:36px;}
  .term-sticky{position:static;}
  .rules-grid{grid-template-columns:1fr;}
  .tiles-grid{grid-template-columns:repeat(2,1fr);}
  .test-grid{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .topbar-inner{padding:10px 14px; gap:10px;}
  .brand-name{display:none;}
  .prog-read{display:none;}
  .main{padding:80px 16px 0;}
  .section{padding:48px 0;}
  .tiles-grid{grid-template-columns:1fr;}
  .acc-inner{padding:0 20px 22px 20px;}
  .acc-num{font-size:20px; min-width:32px;}
  .acc-title{font-size:18px;}
  .final-cta{padding:48px 20px; margin:48px 0 30px;}
  .footer-cols{gap:36px;}
  .cta-red{padding:8px 12px; font-size:13px;}
}