:root{--paper:#f2efe8;--ink:#111;--blue:#1f4fff;--orange:#ff5a1f;--muted:#68625a;--white:#faf8f2}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif}.wrap{width:min(calc(100% - 24px),1180px);margin:auto;padding:18px 0 42px}a{color:inherit;text-decoration:none}.top{display:flex;justify-content:space-between;align-items:center;gap:16px;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);padding:11px 0;font:700 11px/1.2 "Courier New",monospace;text-transform:uppercase;letter-spacing:.08em}.top a{border:1px solid var(--ink);padding:8px 10px}.top a:hover{background:var(--ink);color:var(--paper)}.hero{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;padding:34px 0 28px;border-bottom:2px solid var(--ink)}.kicker{font:700 11px/1.2 "Courier New",monospace;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:10px}.hero h1{font-size:clamp(3.2rem,8vw,7.8rem);line-height:.79;letter-spacing:-.075em;margin:0;text-transform:uppercase}.hero h1 span{display:block;color:var(--orange)}.hero-side{border-left:2px solid var(--ink);padding-left:20px;line-height:1.58}.stamp{margin-top:15px;font:700 10px/1.4 "Courier New",monospace;text-transform:uppercase;color:var(--muted)}.sheet{display:grid;grid-template-columns:repeat(3,1fr);border-left:2px solid var(--ink);border-top:2px solid var(--ink);margin:20px 0 4px}.sheet-item{padding:14px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);min-height:105px;background:var(--white)}.sheet-item span{display:block;font:700 10px "Courier New",monospace;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:8px}.sheet-item strong{font-size:1.06rem;line-height:1.25}.section{padding:28px 0;border-bottom:2px solid var(--ink)}.section-title{display:grid;grid-template-columns:100px 1fr;gap:18px;align-items:start;margin-bottom:18px}.section-title .n{font:700 13px "Courier New",monospace;color:var(--muted)}.section-title h2{margin:0;font-size:clamp(2rem,5vw,4.4rem);line-height:.88;letter-spacing:-.055em;text-transform:uppercase}.lead{font-size:1.1rem;line-height:1.65;max-width:900px}.steps{display:grid;grid-template-columns:repeat(5,1fr);border:2px solid var(--ink)}.step{padding:16px;min-height:180px}.step+.step{border-left:1px solid var(--ink)}.step strong{display:block;font-size:1.08rem;margin:8px 0}.step p{margin:0;color:#403b35;line-height:1.5;font-size:.92rem}.routes{display:grid;grid-template-columns:1fr 1fr;border:2px solid var(--ink)}.route{padding:20px;min-height:320px}.route+.route{border-left:2px solid var(--ink)}.route.beginner{background:#dfe7ff}.route.advanced{background:#fff0db}.route h3{font-size:2rem;letter-spacing:-.045em;margin:0 0 12px}.route p,.route li{line-height:1.55}.route ul{padding-left:18px}.tool-link{display:inline-block;border:2px 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var(--ink)}.tools{grid-template-columns:1fr 1fr}.sources{grid-template-columns:1fr}}@media(max-width:620px){.top{align-items:flex-start;flex-direction:column}.hero h1{font-size:3.7rem}.sheet,.tools,.tips{grid-template-columns:1fr}.section-title{grid-template-columns:1fr}.tip:nth-child(odd){border-right:0}.tip+.tip{border-top:1px solid var(--ink)}}