/* SIGNAL / creative acquisition wing. Intentionally distinct from shared flat site surfaces. */
.signal-hero{background:#241c35;color:#fff6f0;border:1px solid #a76760;border-radius:25px;padding:clamp(27px,4vw,57px);display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:18px;align-items:center;position:relative;overflow:hidden;min-height:320px}.signal-hero .eyebrow{color:#ffc49a}.signal-hero h1{font-size:clamp(3.25rem,6vw,6.4rem);line-height:.89;letter-spacing:-.07em;margin:17px 0}.signal-hero h1 em{font-style:normal;color:#ffb385}.signal-hero p{font-size:1rem;color:#d9cbd8;max-width:810px}.signal-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.signal-actions a{background:#f7b68c;color:#2a1b25;border:1px solid #f7b68c;border-radius:9px;padding:12px 15px;text-decoration:none;font-weight:850;font-size:.81rem;display:inline-flex;align-items:center;min-height:44px}.signal-actions a:nth-child(n+2){background:#ffffff0d;color:#f5eff7;border-color:#a67d86}.signal-wave{height:195px;width:195px;border:2px solid #fba47d88;border-radius:50%;position:relative;display:grid;place-items:center;box-shadow:0 0 0 25px #ff9c7822,0 0 0 50px #ff9c7812;transform:rotate(20deg)}.signal-wave:before{content:'03';font:bold 6.5rem/1 ui-monospace,monospace;color:#ffbf9b}.signal-wave:after{content:'';position:absolute;width:170px;height:52px;border:5px solid #ffffff5a;border-left:0;border-right:0;transform:rotate(-35deg)}.signal-route-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:20px 0}.signal-route{display:flex;flex-direction:column;gap:10px;padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:15px;text-decoration:none;min-height:210px}.signal-route:hover{border-color:#d27d62}.signal-route .channel{font:bold .65rem ui-monospace,Consolas,monospace;letter-spacing:.14em;color:#ba7c61}.signal-route strong{font-size:1.17rem;color:var(--ink)}.signal-route p{font-size:.82rem;color:var(--muted)}.signal-route .action{font-size:.77rem;color:var(--accent);font-weight:850;margin-top:auto}.signal-body{margin-top:35px}.signal-body h2,.signal-heading{font-size:clamp(2rem,3.3vw,3.1rem);line-height:1.08;letter-spacing:-.045em;margin:13px 0 15px}.signal-example-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.signal-example{background:var(--panel);padding:23px;border:1px solid var(--line);border-radius:14px}.signal-example .eyebrow{color:#b5765c}.signal-example p{font-size:.82rem;line-height:1.75;margin:11px 0}.signal-example strong{color:var(--ink)}.signal-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:22px 0}.signal-compare>div{padding:20px;border:1px solid var(--line);background:var(--panel);border-radius:14px}.signal-compare .weak{border-left:4px solid #ad6571}.signal-compare .strong{border-left:4px solid #c67a4d}.signal-compare p{margin:11px 0;color:var(--muted);font-size:.87rem}.signal-labnote{padding:27px;background:#2b2338;color:#fff;border:1px solid #aa806c;border-radius:16px;margin:25px 0}.signal-labnote h2{color:#ffe0be}.signal-labnote p{color:#e0d3df}.signal-labnote a{color:#ffceaa}.signal-pills{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0}.signal-pills span{padding:8px 12px;border-radius:8px;background:var(--panel2);border:1px solid var(--line);font-size:.75rem;font-weight:820}.signal-manual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:20px 0}.signal-manual-card{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:24px}.signal-manual-card h3{margin:9px 0}.signal-manual-card p,.signal-manual-card li{color:var(--muted);font-size:.84rem;line-height:1.72}.signal-manual-card li{margin:7px 0}.signal-manual-card ul,.signal-manual-card ol{padding-left:20px}.signal-manual-card code{background:var(--panel2);padding:2px 4px}.signal-book-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:18px;margin:23px 0}.signal-book-nav{position:sticky;top:105px;align-self:start;max-height:calc(100vh - 128px);overflow:auto;border-radius:14px;padding:17px;background:var(--panel);border:1px solid var(--line)}.signal-book-nav small{color:var(--muted);display:block;margin-bottom:12px}.signal-book-nav a{display:block;font-size:.78rem;padding:8px 9px;color:var(--muted);text-decoration:none;border-radius:7px}.signal-book-nav a:hover,.signal-book-nav a.active{background:var(--panel2);color:var(--ink)}.signal-chapter{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:clamp(23px,3vw,48px);margin-bottom:18px;scroll-margin-top:100px}.signal-chapter h2{font-size:clamp(2rem,3vw,3rem);margin:13px 0 25px;line-height:1.07;letter-spacing:-.04em}.signal-chapter p{font-size:1rem;line-height:1.75;margin:17px 0;max-width:78ch}.signal-chapter .lead{font-size:1.13rem;color:var(--ink)}.signal-principle{padding:21px;background:#251e31;color:#ffe3cb;border-left:4px solid #eea67c;border-radius:8px;font-weight:890;font-size:1.09rem;margin:26px 0}.signal-box{margin:24px 0;padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--panel2)}.signal-box h3{font-size:1rem;margin-bottom:9px}.signal-box p{font-size:.84rem;margin:0;color:var(--muted)}.signal-box.fail{border-left:3px solid #b76a6f}.signal-box.mission{border-left:3px solid var(--accent)}.signal-read{display:inline-flex;align-items:center;gap:9px;font-size:.77rem;font-weight:820;padding:10px 0;margin-top:12px}.signal-read input{accent-color:var(--accent);width:auto}.signal-filter{display:flex;gap:7px;flex-wrap:wrap;margin:15px 0}.signal-filter button{border-radius:9px;padding:10px 13px;border:1px solid var(--line);background:var(--panel);color:var(--ink);font-size:.76rem;font-weight:830}.signal-filter button[aria-pressed=true]{background:var(--accent);color:var(--accentInk)}.signal-search{display:block;width:min(100%,650px);border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);padding:14px;margin:16px 0}.signal-angle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-top:20px}.signal-angle{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:22px}.signal-angle h3{font-size:1.07rem;margin:11px 0}.signal-angle p{font-size:.8rem;line-height:1.68;margin:10px 0}.signal-angle span{color:#bd7c63;font:.68rem ui-monospace,Consolas,monospace}.signal-angle strong{display:block;margin:14px 0 5px;font-size:.71rem}.signal-count{color:var(--muted);font-size:.76rem}.signal-path{padding:22px;background:var(--panel2);border:1px solid var(--line);border-radius:15px;margin-top:24px}.signal-path strong{color:var(--ink)}.signal-path p{font-size:.83rem;margin:10px 0}.signal-path .button-row{margin-top:13px}
@media(max-width:1270px){.signal-route-grid,.signal-angle-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:1000px){.signal-book-layout{grid-template-columns:1fr}.signal-book-nav{position:static;max-height:none}.signal-hero{grid-template-columns:1fr}.signal-wave{display:none}}@media(max-width:680px){.signal-route-grid,.signal-angle-grid,.signal-example-grid,.signal-manual-grid,.signal-compare{grid-template-columns:1fr}.signal-route{min-height:0}.signal-hero{padding:29px 23px}.signal-chapter{padding:21px}.signal-book-nav{padding:13px}}
