*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --bg:#080808;--bg2:#0e0e0e;--bg3:#151515;--border:#242424;--border2:#333;
  --text:#fff;--text2:#b7b7b7;--text3:#737373;
  --accent:#ff6b2b;--accent2:#ff4400;--green:#00e5aa;--blue:#00ccff;
  --heading:'Barlow Condensed',sans-serif;--body:'Barlow',sans-serif;
}
html{scroll-behavior:smooth;}
body{font-family:var(--body);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overflow-x:hidden;}
a{color:inherit;}
.gate{
  position:fixed;inset:0;z-index:999;background:rgba(8,8,8,.94);backdrop-filter:blur(18px);
  display:flex;align-items:center;justify-content:center;padding:24px;
}
.gate.hidden{display:none;}
.gate-card{
  width:min(560px,100%);padding:34px;border-radius:28px;text-align:center;
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(10,10,10,.96));
  box-shadow:0 24px 70px rgba(0,0,0,.4);
}
.gate.loading .gate-actions,.gate.loading .gate-note{display:none;}
.spinner{width:34px;height:34px;border:3px solid var(--border2);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto;}
@keyframes spin{to{transform:rotate(360deg);}}
.gate-kicker,.pill{
  display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:0 12px;border-radius:999px;
  border:1px solid rgba(255,107,43,.24);background:rgba(255,107,43,.08);color:var(--accent);
  font-family:var(--heading);font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
}
.gate-title{margin:18px 0 10px;font-family:var(--heading);font-size:clamp(2.15rem,4vw,3.2rem);line-height:1.06;font-weight:900;letter-spacing:-.025em;}
.gate-copy{max-width:46ch;margin:0 auto;color:var(--text2);font-size:.9rem;line-height:1.8;}
.gate-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:22px;}
.gate-note{margin-top:14px;color:var(--text3);font-size:.74rem;line-height:1.7;}
.btn-primary,.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:999px;
  font-family:var(--heading);font-size:.82rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;text-decoration:none;
  transition:transform .15s,border-color .15s,background .15s,color .15s;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 34px rgba(255,107,43,.28);}
.btn-primary:hover{background:var(--accent2);transform:translateY(-1px);}
.btn-secondary{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);color:#fff;}
.btn-secondary:hover{border-color:rgba(255,107,43,.36);color:var(--accent);transform:translateY(-1px);}
.guide-nav{
  position:sticky;top:0;z-index:50;height:58px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;
  background:rgba(8,8,8,.96);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.07);
}
.brand{font-family:var(--heading);font-size:1rem;font-weight:900;text-decoration:none;}
.brand em{color:var(--accent);font-style:normal;}
.nav-links{display:flex;gap:16px;align-items:center;}
.nav-links a{font-family:var(--heading);font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;color:#aaa;}
.nav-links a:hover{color:#fff;}
.hero{
  position:relative;overflow:hidden;padding:56px 24px 34px;border-bottom:1px solid rgba(255,255,255,.07);
  background:
    radial-gradient(circle at 20% 0%,rgba(255,107,43,.2),transparent 34%),
    radial-gradient(circle at 82% 8%,rgba(0,204,255,.12),transparent 36%),
    linear-gradient(180deg,#0b0b0b,#070707);
}
.hero-inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:26px;align-items:end;}
.hero h1{font-family:var(--heading);font-size:clamp(3rem,7vw,6rem);font-weight:900;letter-spacing:-.04em;line-height:.94;margin:18px 0;}
.hero h1 em{color:var(--accent);font-style:normal;}
.hero-copy{max-width:760px;color:var(--text2);font-size:1rem;line-height:1.85;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;}
.hero-card{
  padding:22px;border-radius:26px;border:1px solid rgba(255,255,255,.09);background:rgba(8,8,8,.58);
  box-shadow:0 22px 70px rgba(0,0,0,.34);
}
.hero-card span{display:block;color:var(--text3);font-family:var(--heading);font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px;}
.hero-card p{color:#fff;font-size:.86rem;line-height:1.7;}
.hero-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.hero-pills .pill{border-color:rgba(255,255,255,.1);background:rgba(255,255,255,.04);color:#dcdcdc;}
.course-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:16px;}
.course-stat{padding:12px;border-radius:16px;border:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.025));}
.course-stat strong{display:block;font-family:var(--heading);font-size:1.35rem;line-height:1;color:var(--accent);}
.course-stat span{display:block;margin-top:6px;color:var(--text3);font-family:var(--heading);font-size:.62rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;}
.layout{width:100%;max-width:1180px;margin:0 auto;padding:34px 24px 80px;display:grid;grid-template-columns:260px minmax(0,1fr);gap:22px;align-items:start;}
.side{
  min-width:0;
  position:sticky;top:78px;padding:18px;border-radius:24px;border:1px solid rgba(255,255,255,.08);
  background:rgba(12,12,12,.86);
}
.side strong{display:block;font-family:var(--heading);font-size:1.25rem;font-weight:900;letter-spacing:-.03em;margin-bottom:12px;}
.side-progress{
  margin:0 0 14px;
  padding:14px;
  border-radius:18px;
  border:1px solid rgba(0,229,170,.14);
  background:
    radial-gradient(circle at 0% 0%,rgba(0,229,170,.1),transparent 36%),
    rgba(255,255,255,.025);
}
.side-progress span{
  display:block;
  color:var(--text3);
  font-family:var(--heading);
  font-size:.62rem;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.side-progress b{
  display:block;
  margin-top:7px;
  color:#fff;
  font-family:var(--heading);
  font-size:.95rem;
  letter-spacing:.02em;
  text-transform:uppercase;
}
.side a{display:block;padding:10px 0;border-top:1px solid rgba(255,255,255,.07);font-family:var(--heading);font-size:.76rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;color:#aaa;}
.side a:hover{color:#fff;}
.main{display:grid;gap:22px;min-width:0;}
.guide-brief{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(280px,.8fr);
  gap:16px;
  padding:26px;
  border-radius:32px;
  border:1px solid rgba(255,107,43,.22);
  background:
    linear-gradient(135deg,rgba(255,107,43,.18),transparent 38%),
    radial-gradient(circle at 92% 8%,rgba(0,229,170,.12),transparent 34%),
    linear-gradient(180deg,rgba(255,255,255,.045),rgba(8,8,8,.93));
  box-shadow:0 26px 80px rgba(0,0,0,.34);
}
.guide-brief::before{
  content:'';
  position:absolute;
  inset:16px;
  pointer-events:none;
  border-radius:26px;
  border:1px solid rgba(255,255,255,.045);
}
.brief-screen,.brief-flow,.brief-command,.brief-proof{position:relative;z-index:1;}
.brief-screen span,.brief-command span{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:0 11px;
  border-radius:999px;
  border:1px solid rgba(0,229,170,.2);
  background:rgba(0,229,170,.07);
  color:var(--green);
  font-family:var(--heading);
  font-size:.64rem;
  font-weight:800;
  letter-spacing:.13em;
  text-transform:uppercase;
}
.brief-screen h2{
  max-width:620px;
  margin:16px 0 10px;
  font-family:var(--heading);
  font-size:clamp(2.1rem,4.4vw,3.8rem);
  line-height:.98;
  letter-spacing:-.035em;
}
.brief-screen p{max-width:660px;color:var(--text2);font-size:.95rem;line-height:1.85;}
.brief-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px;}
.brief-flow{
  display:grid;
  gap:10px;
}
.brief-flow article{
  position:relative;
  min-height:112px;
  padding:16px 18px 16px 44px;
  border-radius:22px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.22);
}
.brief-flow article::before{
  content:'';
  position:absolute;
  left:18px;
  top:20px;
  bottom:20px;
  width:2px;
  border-radius:999px;
  background:linear-gradient(180deg,var(--accent),var(--green));
}
.brief-flow small{
  display:block;
  color:#ffb18f;
  font-family:var(--heading);
  font-size:.64rem;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:8px;
}
.brief-flow strong{
  display:block;
  color:#fff;
  font-size:.86rem;
  line-height:1.7;
  font-weight:500;
}
.brief-command{
  grid-column:1/-1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 18px;
  border-radius:22px;
  border:1px solid rgba(255,255,255,.08);
  background:
    radial-gradient(circle at 0% 0%,rgba(255,107,43,.12),transparent 34%),
    rgba(0,0,0,.22);
}
.brief-command p{
  margin-top:10px;
  color:#f4f4f4;
  font-family:'Courier New',monospace;
  font-size:.78rem;
  line-height:1.65;
}
.brief-command .copy-btn{flex:0 0 auto;}
.brief-proof{
  grid-column:1/-1;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
}
.brief-proof div{
  padding:14px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.075);
  background:rgba(255,255,255,.03);
}
.brief-proof strong{
  display:block;
  font-family:var(--heading);
  font-size:1.45rem;
  color:var(--accent);
  line-height:1;
}
.brief-proof span{
  display:block;
  margin-top:6px;
  color:var(--text3);
  font-family:var(--heading);
  font-size:.64rem;
  font-weight:800;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.lesson-console{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(260px,.75fr);
  gap:16px;
  align-items:stretch;
  padding:24px;
  border-radius:30px;
  border:1px solid rgba(255,107,43,.2);
  background:
    radial-gradient(circle at 0% 0%,rgba(255,107,43,.18),transparent 34%),
    radial-gradient(circle at 100% 0%,rgba(0,229,170,.1),transparent 30%),
    linear-gradient(180deg,rgba(255,255,255,.04),rgba(8,8,8,.9));
  box-shadow:0 24px 70px rgba(0,0,0,.28);
}
.lesson-console h2{
  max-width:680px;
  font-family:var(--heading);
  font-size:clamp(2rem,4vw,3.2rem);
  font-weight:900;
  line-height:1.04;
  letter-spacing:-.025em;
  margin-bottom:10px;
}
.lesson-console p{max-width:720px;color:var(--text2);font-size:.9rem;line-height:1.8;}
.console-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px;}
.console-actions button{border:1px solid rgba(255,255,255,.14);cursor:pointer;}
.console-panel{
  min-height:210px;
  padding:20px;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.09);
  background:rgba(8,8,8,.44);
}
.console-panel span{
  color:var(--green);
  font-family:var(--heading);
  font-size:.65rem;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.console-panel strong{
  display:block;
  margin-top:12px;
  font-family:var(--heading);
  font-size:1.55rem;
  line-height:1;
  font-weight:900;
  letter-spacing:-.035em;
}
.console-panel p{font-size:.8rem;line-height:1.72;}
.console-progress{margin-top:20px;}
.console-progress strong{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;}
.progress-track{
  width:100%;
  height:8px;
  margin-top:9px;
  overflow:hidden;
  border-radius:999px;
  background:rgba(255,255,255,.08);
}
.progress-track i{
  display:block;
  width:0%;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--accent),var(--green));
  box-shadow:0 0 18px rgba(255,107,43,.3);
  transition:width .25s ease;
}
.console-steps{
  grid-column:1/-1;
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:8px;
}
.console-step{
  appearance:none;
  min-height:78px;
  padding:12px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.035);
  color:#fff;
  text-align:left;
  cursor:pointer;
  transition:transform .15s,border-color .15s,background .15s;
}
.console-step:hover,.console-step.active{transform:translateY(-2px);border-color:rgba(255,107,43,.32);background:rgba(255,107,43,.08);}
.console-step.complete{border-color:rgba(0,229,170,.22);background:rgba(0,229,170,.055);}
.console-step span{
  display:block;
  color:var(--green);
  font-family:var(--heading);
  font-size:.62rem;
  font-weight:900;
  letter-spacing:.1em;
}
.console-step strong{
  display:block;
  margin-top:8px;
  font-family:var(--heading);
  font-size:.88rem;
  line-height:1.08;
  font-weight:800;
  letter-spacing:-.015em;
}
.section{
  min-width:0;
  scroll-margin-top:84px;padding:26px;border-radius:28px;border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(12,12,12,.94));
  box-shadow:0 20px 60px rgba(0,0,0,.28);
}
.guide-search-panel{
  margin-bottom:22px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(280px,420px);
  gap:18px;
  align-items:end;
  padding:26px;
  border-radius:30px;
  border:1px solid rgba(255,107,43,.18);
  background:
    radial-gradient(circle at 0% 0%,rgba(255,107,43,.18),transparent 32%),
    linear-gradient(180deg,rgba(255,255,255,.045),rgba(8,8,8,.9));
}
.guide-search-panel h2{
  font-family:var(--heading);
  font-size:clamp(2rem,4vw,3.3rem);
  line-height:1;
  letter-spacing:-.03em;
}
.guide-search-panel p{max-width:620px;color:var(--text2);font-size:.9rem;line-height:1.8;margin-top:10px;}
.guide-search-panel label{display:grid;gap:8px;}
.guide-search-panel label span{
  color:var(--green);
  font-family:var(--heading);
  font-size:.66rem;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.guide-search-panel input{
  width:100%;
  min-height:54px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.11);
  background:rgba(0,0,0,.24);
  color:#fff;
  padding:0 16px;
  font:inherit;
  outline:none;
}
.guide-search-panel input:focus{border-color:rgba(255,107,43,.44);box-shadow:0 0 0 4px rgba(255,107,43,.08);}
.section[data-guide-empty="true"]{display:none;}
.section-kicker{font-family:var(--heading);font-size:.68rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);margin-bottom:10px;}
.section h2{font-family:var(--heading);font-size:clamp(1.8rem,4vw,3rem);font-weight:900;letter-spacing:-.025em;line-height:1.05;margin-bottom:12px;}
.section h3{font-family:var(--heading);font-size:1.4rem;font-weight:900;letter-spacing:-.015em;margin:22px 0 10px;}
.section p{color:var(--text2);font-size:.9rem;line-height:1.85;margin-top:10px;}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px;}
.card{padding:18px;border-radius:20px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.035);}
.card.wide{grid-column:1/-1;}
.card span{display:block;font-family:var(--heading);font-size:.66rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--green);margin-bottom:8px;}
.card h4{font-family:var(--heading);font-size:1.2rem;font-weight:800;letter-spacing:-.015em;line-height:1.16;margin-bottom:8px;}
ul,ol{padding-left:20px;margin-top:12px;color:var(--text2);font-size:.86rem;line-height:1.8;}
li{margin:6px 0;}
.lesson-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px;counter-reset:lesson;}
.lesson-card{position:relative;min-height:176px;padding:18px 18px 18px 54px;border-radius:20px;border:1px solid rgba(255,255,255,.08);background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.02));overflow:hidden;transition:transform .18s,border-color .18s,background .18s;}
.lesson-card:hover{transform:translateY(-2px);border-color:rgba(255,107,43,.24);}
.lesson-card.complete{border-color:rgba(0,229,170,.22);background:linear-gradient(145deg,rgba(0,229,170,.07),rgba(255,255,255,.02));}
.lesson-card.focus-ring{border-color:rgba(255,107,43,.58);box-shadow:0 0 0 4px rgba(255,107,43,.1),0 24px 60px rgba(0,0,0,.28);}
.lesson-card::after{content:'';position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,rgba(255,107,43,.8),rgba(0,229,170,.5));opacity:.58;}
.lesson-card::before{counter-increment:lesson;content:'0' counter(lesson);position:absolute;right:16px;top:12px;font-family:var(--heading);font-size:2.4rem;font-weight:900;color:rgba(255,255,255,.045);letter-spacing:-.04em;}
.lesson-check{
  position:absolute;
  left:16px;
  top:18px;
  width:24px;
  height:24px;
  border-radius:9px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  cursor:pointer;
  transition:background .18s,border-color .18s,transform .18s;
}
.lesson-check:hover{transform:scale(1.05);border-color:rgba(255,107,43,.42);}
.lesson-check::after{
  content:'';
  position:absolute;
  left:7px;
  top:4px;
  width:7px;
  height:12px;
  border:solid #07120f;
  border-width:0 2px 2px 0;
  opacity:0;
  transform:rotate(45deg);
}
.lesson-card.complete .lesson-check{background:var(--green);border-color:var(--green);box-shadow:0 0 20px rgba(0,229,170,.24);}
.lesson-card.complete .lesson-check::after{opacity:1;}
.lesson-card span{display:block;color:var(--green);font-family:var(--heading);font-size:.64rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px;}
.lesson-card strong{display:block;font-family:var(--heading);font-size:1.25rem;line-height:1.12;font-weight:800;letter-spacing:-.015em;}
.lesson-card p{font-size:.78rem;line-height:1.72;}
.practice-lab{
  position:relative;
  overflow:hidden;
  border-color:rgba(255,107,43,.18);
  background:
    radial-gradient(circle at 4% 0%,rgba(255,107,43,.16),transparent 36%),
    radial-gradient(circle at 100% 20%,rgba(0,204,255,.08),transparent 34%),
    linear-gradient(180deg,rgba(255,255,255,.04),rgba(10,10,10,.95));
}
.practice-lab::after{
  content:'';
  position:absolute;
  right:-80px;
  top:-80px;
  width:220px;
  height:220px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.06);
  background:radial-gradient(circle,rgba(255,107,43,.12),transparent 68%);
  pointer-events:none;
}
.lab-board{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);
  gap:14px;
  margin-top:18px;
}
.lab-brief,.prompt-compare,.lab-proof,.lab-notes{
  border:1px solid rgba(255,255,255,.09);
  border-radius:24px;
  background:rgba(255,255,255,.035);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}
.lab-brief{
  min-height:250px;
  padding:24px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  background:
    linear-gradient(135deg,rgba(255,107,43,.18),transparent 46%),
    linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
}
.lab-brief span,.prompt-compare span,.lab-proof span,.lab-notes span{
  display:block;
  color:var(--green);
  font-family:var(--heading);
  font-size:.64rem;
  font-weight:800;
  letter-spacing:.13em;
  text-transform:uppercase;
  margin-bottom:9px;
}
.lab-brief h3{
  margin:0;
  max-width:640px;
  font-family:var(--heading);
  font-size:clamp(1.75rem,3.1vw,2.55rem);
  font-weight:900;
  line-height:1.03;
  letter-spacing:-.025em;
}
.lab-brief p{max-width:700px;}
.prompt-compare{
  display:grid;
  grid-template-rows:auto auto;
  overflow:hidden;
}
.bad-prompt,.good-prompt{padding:20px;}
.bad-prompt{
  background:repeating-linear-gradient(-45deg,rgba(255,255,255,.025),rgba(255,255,255,.025) 8px,transparent 8px,transparent 18px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.bad-prompt span{color:#ff8c69;}
.bad-prompt p,.good-prompt p{
  margin:0;
  color:#fff;
  font-size:.9rem;
  line-height:1.72;
}
.good-prompt{
  background:radial-gradient(circle at 0% 0%,rgba(0,229,170,.11),transparent 42%);
}
.good-prompt .copy-btn{margin-top:14px;}
.lab-proof{padding:20px;}
.lab-proof ul{margin-top:8px;}
.lab-notes{
  padding:20px;
  background:
    linear-gradient(180deg,rgba(255,107,43,.07),rgba(255,255,255,.025)),
    rgba(255,255,255,.02);
}
.lab-notes textarea{
  width:100%;
  min-height:168px;
  resize:vertical;
  border:1px solid rgba(255,255,255,.1);
  border-radius:18px;
  padding:14px;
  background:rgba(0,0,0,.24);
  color:#fff;
  font-family:var(--body);
  font-size:.9rem;
  line-height:1.6;
  outline:none;
}
.lab-notes textarea:focus{
  border-color:rgba(255,107,43,.44);
  box-shadow:0 0 0 4px rgba(255,107,43,.08);
}
.lab-notes small{
  display:block;
  margin-top:9px;
  color:var(--text3);
  font-size:.72rem;
}
.lab-next{
  position:relative;
  z-index:1;
  display:flex;
  gap:10px;
  align-items:flex-start;
  margin-top:14px;
  padding:16px 18px;
  border-radius:20px;
  border:1px solid rgba(0,229,170,.15);
  background:rgba(0,229,170,.045);
}
.lab-next strong{
  flex:0 0 auto;
  color:var(--green);
  font-family:var(--heading);
  font-size:1.02rem;
  line-height:1;
  text-transform:uppercase;
  letter-spacing:.04em;
}
.lab-next p{margin:0;font-size:.86rem;line-height:1.65;}
.research-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px;}
.research-card{position:relative;padding:19px;border-radius:22px;border:1px solid rgba(255,255,255,.08);background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.02));overflow:hidden;}
.research-card::before{content:'';position:absolute;inset:auto 0 0;height:3px;background:linear-gradient(90deg,rgba(255,107,43,.78),rgba(0,204,255,.45));opacity:.7;}
.research-card.warning::before{background:linear-gradient(90deg,rgba(255,107,43,.9),rgba(255,255,255,.18));}
.research-card span{display:block;font-family:var(--heading);font-size:.64rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--green);margin-bottom:8px;}
.research-card h4{font-family:var(--heading);font-size:1.24rem;font-weight:800;letter-spacing:-.015em;line-height:1.14;margin-bottom:8px;}
.deep-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px;}
.deep-panel,.source-card{padding:20px;border-radius:22px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.035);}
.deep-panel strong,.source-card strong{display:block;font-family:var(--heading);font-size:1.3rem;line-height:1.12;font-weight:800;letter-spacing:-.015em;margin-bottom:8px;}
.source-card{margin-top:14px;background:linear-gradient(180deg,rgba(255,107,43,.06),rgba(255,255,255,.025));}
.source-card ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding-left:0;list-style:none;}
.source-card li{margin:0;}
.source-card a{display:block;padding:10px 12px;border-radius:14px;border:1px solid rgba(255,255,255,.08);background:rgba(0,0,0,.18);color:#d7d7d7;text-decoration:none;}
.source-card a:hover{border-color:rgba(255,107,43,.38);color:#fff;}
.comparison-table-wrap{
  margin-top:18px;
  overflow-x:auto;
  border-radius:22px;
  border:1px solid rgba(255,255,255,.08);
  background:
    radial-gradient(circle at 0% 0%,rgba(255,107,43,.08),transparent 34%),
    rgba(0,0,0,.18);
}
.comparison-table{
  width:100%;
  min-width:860px;
  border-collapse:collapse;
}
.comparison-table th,
.comparison-table td{
  padding:16px;
  border-bottom:1px solid rgba(255,255,255,.07);
  color:var(--text2);
  font-size:.78rem;
  line-height:1.65;
  text-align:left;
  vertical-align:top;
}
.comparison-table thead th{
  color:#fff;
  font-family:var(--heading);
  font-size:.66rem;
  font-weight:900;
  letter-spacing:.12em;
  text-transform:uppercase;
  background:rgba(255,255,255,.035);
}
.comparison-table tbody tr:last-child th,
.comparison-table tbody tr:last-child td{border-bottom:0;}
.comparison-table tbody th{
  width:170px;
  color:#fff;
}
.comparison-table tbody th strong{
  display:block;
  font-family:var(--heading);
  font-size:1.05rem;
  line-height:1.08;
  letter-spacing:-.015em;
}
.comparison-table tbody th span{
  display:inline-flex;
  margin-top:8px;
  min-height:24px;
  align-items:center;
  padding:0 9px;
  border-radius:999px;
  border:1px solid rgba(0,229,170,.17);
  background:rgba(0,229,170,.055);
  color:var(--green);
  font-family:var(--heading);
  font-size:.58rem;
  font-weight:900;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.comparison-prompt{
  margin-top:16px;
  padding:18px;
  border-radius:20px;
  border:1px solid rgba(0,229,170,.16);
  background:rgba(0,229,170,.045);
}
.comparison-prompt strong{
  display:block;
  font-family:var(--heading);
  font-size:1.16rem;
  letter-spacing:-.015em;
}
.recipe-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  margin-top:18px;
}
.recipe-card{
  position:relative;
  overflow:hidden;
  padding:20px;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.08);
  background:
    radial-gradient(circle at 0% 0%,rgba(255,107,43,.12),transparent 36%),
    linear-gradient(180deg,rgba(255,255,255,.04),rgba(9,9,9,.94));
}
.recipe-card:nth-child(2){
  background:
    radial-gradient(circle at 100% 0%,rgba(0,229,170,.1),transparent 36%),
    linear-gradient(180deg,rgba(255,255,255,.04),rgba(9,9,9,.94));
}
.recipe-card > span{
  display:inline-flex;
  min-height:26px;
  align-items:center;
  padding:0 10px;
  border-radius:999px;
  border:1px solid rgba(0,229,170,.16);
  background:rgba(0,229,170,.055);
  color:var(--green);
  font-family:var(--heading);
  font-size:.6rem;
  font-weight:900;
  letter-spacing:.11em;
  text-transform:uppercase;
}
.recipe-card h3{
  margin-top:14px;
  font-size:1.28rem;
}
.recipe-example{
  margin-top:12px;
  padding:12px;
  border-radius:15px;
  border:1px solid rgba(255,255,255,.075);
  background:rgba(255,255,255,.03);
  color:#e8e8e8;
  font-size:.75rem;
  line-height:1.65;
}
.recipe-example strong{
  color:#fff;
  font-family:var(--heading);
  font-size:.78rem;
  letter-spacing:.02em;
  text-transform:uppercase;
}
.recipe-card ol{
  padding-left:18px;
  font-size:.78rem;
}
.recipe-next{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.recipe-next a{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:0 11px;
  border-radius:999px;
  border:1px solid rgba(255,107,43,.22);
  color:#ffb18f;
  text-decoration:none;
  font-family:var(--heading);
  font-size:.62rem;
  font-weight:900;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.recipe-next a:hover{
  border-color:rgba(0,229,170,.24);
  color:var(--green);
}
.workflow-lanes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px;}
.workflow-card{padding:20px;border-radius:22px;border:1px solid rgba(255,255,255,.08);background:radial-gradient(circle at 0% 0%,rgba(255,107,43,.13),transparent 36%),rgba(255,255,255,.035);}
.workflow-card span{display:inline-flex;align-items:center;min-height:24px;padding:0 9px;border-radius:999px;background:rgba(255,107,43,.1);color:#ffb18f;font-family:var(--heading);font-size:.62rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;}
.workflow-card h3{margin-top:14px;}
.quality-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:14px;margin-top:16px;}
.quality-panel{padding:20px;border-radius:22px;border:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(0,229,170,.045),rgba(255,255,255,.025));}
.quality-panel strong{display:block;font-family:var(--heading);font-size:1.3rem;line-height:1.12;font-weight:800;letter-spacing:-.015em;margin-bottom:8px;}
.quality-panel .prompt{background:rgba(0,229,170,.055);border-color:rgba(0,229,170,.16);}
.prompt{margin-top:14px;padding:14px;border-radius:16px;border:1px solid rgba(255,107,43,.2);background:rgba(255,107,43,.08);}
.prompt code{white-space:pre-wrap;font-family:'Courier New',monospace;color:#fff;font-size:.78rem;line-height:1.7;}
.copy-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;}
.copy-btn{
  border:0;border-radius:999px;min-height:34px;padding:0 14px;background:var(--accent);color:#fff;
  font-family:var(--heading);font-weight:800;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;cursor:pointer;
}
.roadmap{counter-reset:step;display:grid;gap:12px;margin-top:16px;}
.roadmap li{list-style:none;position:relative;padding:16px 16px 16px 54px;border-radius:18px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.035);}
.roadmap li::before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:16px;width:26px;height:26px;border-radius:9px;display:flex;align-items:center;justify-content:center;background:rgba(255,107,43,.14);color:var(--accent);font-family:var(--heading);font-weight:900;}
.next-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px;}
.next-card{padding:16px;border-radius:18px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.035);text-decoration:none;}
.next-card:hover{border-color:rgba(255,107,43,.34);}
.next-card strong{display:block;font-family:var(--heading);font-size:1.1rem;}
.next-card span{display:block;margin-top:6px;color:var(--text3);font-size:.74rem;line-height:1.5;}
.footer{padding:30px 24px;border-top:1px solid rgba(255,255,255,.07);text-align:center;color:#555;font-size:.76rem;}
/* Launch polish: keep guide pages practical without making every block feel identical. */
body{
  background:
    radial-gradient(circle at 8% 8%,rgba(255,107,43,.10),transparent 28rem),
    radial-gradient(circle at 86% 12%,rgba(0,229,170,.07),transparent 24rem),
    linear-gradient(180deg,#080808,#060606 48%,#090706);
}
.section{
  border:0;
  border-top:1px solid rgba(255,255,255,.08);
  border-radius:0;
  background:transparent;
  box-shadow:none;
  padding:34px 0;
}
.section:first-of-type{
  border-top:0;
}
.section::before{
  content:'';
  display:block;
  width:140px;
  height:2px;
  margin:0 0 22px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--accent),rgba(0,229,170,.6));
  opacity:.72;
}
.card{
  border:0;
  border-left:1px solid rgba(255,255,255,.10);
  border-radius:0;
  background:linear-gradient(90deg,rgba(255,255,255,.035),transparent 78%);
}
.lesson-grid{
  gap:0;
  border:1px solid rgba(255,255,255,.08);
  border-radius:28px;
  overflow:hidden;
  background:
    radial-gradient(circle at 0% 0%,rgba(255,107,43,.10),transparent 38%),
    linear-gradient(135deg,rgba(255,255,255,.035),rgba(255,255,255,.01));
}
.lesson-card{
  border:0;
  border-right:1px solid rgba(255,255,255,.07);
  border-bottom:1px solid rgba(255,255,255,.07);
  border-radius:0;
  background:transparent;
}
.lesson-card:nth-child(3n){
  border-right:0;
}
.research-card,.workflow-card,.recipe-card,.deep-panel,.source-card,.lab-brief,.prompt-compare,.lab-proof,.lab-notes,.next-card{
  border-radius:26px;
  background:
    radial-gradient(circle at 100% 0%,rgba(255,107,43,.08),transparent 34%),
    linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.018));
}
.next-card{
  border-radius:0;
  border:0;
  border-left:1px solid rgba(255,255,255,.1);
  background:transparent;
}
.prompt,.comparison-prompt{
  border-radius:22px;
  background:
    radial-gradient(circle at 0% 0%,rgba(0,229,170,.09),transparent 36%),
    rgba(0,229,170,.045);
}

@media(max-width:900px){
  .lesson-card,.lesson-card:nth-child(3n){
    border-right:0;
  }
}

@media(max-width:900px){
  .hero-inner,.layout,.lesson-console,.guide-brief{grid-template-columns:1fr;}
  .side{position:relative;top:auto;}
  .grid,.next-grid,.lesson-grid,.research-grid,.deep-grid,.source-card ul,.workflow-lanes,.quality-grid,.console-steps,.lab-board,.guide-search-panel,.recipe-grid{grid-template-columns:1fr;}
  .hero{padding-top:34px;}
}
@media(max-width:620px){
  .guide-nav{padding:0 18px;}
  .nav-links a:nth-child(2){display:none;}
  .hero,.layout{padding-left:18px;padding-right:18px;}
  .section{padding:20px;}
  .guide-brief{padding:20px;border-radius:26px;}
  .brief-command{align-items:flex-start;flex-direction:column;}
  .brief-proof{grid-template-columns:1fr;}
}