.guide-main{padding:52px 0 24px}
.guide-intro{padding-bottom:clamp(48px,7vw,88px)}
.guide-intro h1{font-size:clamp(2.6rem,6.4vw,5.6rem);max-width:14ch;line-height:1.02}
.guide-lede{color:var(--paper);font-size:20px;line-height:1.5;max-width:46ch;margin-top:32px}
.guide-context{color:var(--dim);font-size:15px;max-width:58ch;margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}
.guide-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;margin-top:36px}
.guide-page section.guide-section{background:var(--ink);padding:clamp(56px,7vw,96px) 0;border-top:1px solid var(--line)}
.guide-paths{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;counter-reset:path}
.guide-paths li{border:1px solid var(--line);padding:24px;counter-increment:path}
.guide-paths li::before{content:"0" counter(path);display:block;color:var(--accent);font-size:12px;letter-spacing:.08em;margin-bottom:18px}
.guide-paths strong{font-size:18px;font-weight:500}
.guide-paths p{color:var(--dim);font-size:14px;margin-top:10px}
.concepts{margin-top:40px;border-top:1px solid var(--line)}
.concept{display:grid;grid-template-columns:220px minmax(0,1fr);gap:36px;padding:36px 0;border-bottom:1px solid var(--line)}
.concept-num{font-family:var(--display);font-size:40px;line-height:1;color:var(--accent)}
.concept h3{font-family:var(--display);font-weight:400;font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.15;margin-bottom:18px;max-width:28ch}
.concept p{color:var(--dim);font-size:15px;max-width:64ch;margin-top:10px}
.concept p strong{color:var(--paper);font-weight:500}
.concept .concept-ask{color:var(--paper);font-size:14px;margin-top:16px;padding-left:14px;border-left:2px solid var(--accent)}
.papers{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:8px}
.papers a{font-size:14px;text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:4px;transition:text-decoration-color .2s}
.papers a::after{content:" ↗";color:var(--accent)}
.papers a:hover{text-decoration-color:var(--accent)}
.guide-page footer p{max-width:76ch}
@media(max-width:760px){.guide-main{padding:28px 0 16px}.guide-lede{font-size:18px}.guide-paths{grid-template-columns:1fr;gap:12px;margin-top:26px}.concept{grid-template-columns:1fr;gap:12px;padding:28px 0}.concept-num{font-size:28px}}
.concept-watch{display:inline-block;font-size:13px;color:var(--accent);margin:-6px 0 14px;text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:4px}
.concept-watch:hover{text-decoration-color:var(--accent)}