/* SalesUseCases.ai — editorial, sharp. Geist + Geist Mono, self-hosted (fonts/, OFL). */
@font-face{font-family:"Geist";src:url(fonts/Geist-Variable.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(fonts/GeistMono-Variable.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
:root{--bg:#07080b;--bg-2:#0d0f14;--card:#0d0f14;--line:#262a33;--line-strong:#3a3f4a;--text:#f6f3ec;--muted:#a8a296;--faint:#9a9488;--lime:#e4ff4a;--ink-dark:#12140a;
--sans:"Geist",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"Geist Mono",ui-monospace,Menlo,Consolas,monospace}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 var(--sans);letter-spacing:-.011em}
a{color:var(--text);text-decoration-color:var(--lime);text-underline-offset:3px}
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--lime);color:var(--ink-dark);padding:10px;z-index:9}
/* signature detail: a lime underline that draws in on hover */
.u,nav.main a,.card h3 a,.links a,.toolmark span,footer a,.src a{text-decoration:none;background:linear-gradient(var(--lime),var(--lime)) 0 100%/0 2px no-repeat;transition:background-size .22s ease}
.u:hover,nav.main a:hover,.card h3 a:hover,.links a:hover,.toolmark:hover span,footer a:hover,.src a:hover,nav.main a[aria-current=page]{background-size:100% 2px}
.prose p a{text-decoration:underline;text-decoration-color:var(--lime)}
header.top{border-bottom:1px solid var(--line);background:var(--bg)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:4px 12px;min-height:56px;flex-wrap:wrap}
.logo{font-weight:700;font-size:1.05rem;letter-spacing:-.03em;color:var(--text);text-decoration:none;display:inline-flex;align-items:center;min-height:44px}.logo span{color:var(--lime)}
nav.main{display:flex;flex-wrap:wrap;gap:0 18px}
nav.main a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted);font-size:.92rem;background-position:0 75%}nav.main a:hover{color:var(--text)}
/* type */
h1{font-weight:650;font-size:clamp(2rem,5vw,3.4rem);line-height:1.02;letter-spacing:-.045em;margin:0 0 14px;max-width:20ch}
h1.hero{font-size:clamp(2.6rem,7.6vw,5.6rem);max-width:13ch;margin-bottom:18px}
mark{background:linear-gradient(transparent 12%,var(--lime) 12%,var(--lime) 88%,transparent 88%);color:var(--ink-dark);padding:0 .08em;margin:0 -.02em}
h2{font-weight:600;letter-spacing:-.03em}
.by,.stats,.result,aside h2,.b,.src,.fl small,footer,.leadnote,.votenote,.vote,.toolmark,.subbox label,.privacy,.samplebar{font-family:var(--mono);letter-spacing:0}
.by{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--lime);margin:0 0 10px}
.lede{color:var(--muted);font-size:1.12rem;max-width:56ch;margin:0 0 16px}
.intro{padding:44px 0 22px;border-bottom:1px solid var(--line)}
.stats{font-size:.8rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 20px;margin:0}.stats b{color:var(--text);font-weight:500}
/* layout */
.layout{display:grid;grid-template-columns:230px 1fr;gap:28px;padding:18px 0 40px}
aside h2,.filters h2{font-size:.72rem;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:18px 0 4px}
.fl{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.fl li{border-bottom:1px solid var(--line)}
.fl button{width:100%;display:flex;justify-content:space-between;align-items:center;min-height:44px;padding:4px 8px;border:0;border-left:2px solid transparent;background:none;border-radius:0;font:inherit;font-size:.92rem;color:var(--text);cursor:pointer;text-align:left}
.fl button:hover{border-left-color:var(--line-strong)}.fl button[aria-pressed=true]{border-left-color:var(--lime);color:var(--lime);font-weight:600}
.fl small{color:var(--muted);font-size:.75rem}
.toolsel{width:100%;min-height:44px;font:inherit;font-size:.92rem;padding:6px 8px;border:1px solid var(--line-strong);border-radius:2px;background:var(--bg);color:var(--text)}
.search{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.search input{flex:1 1 220px;min-height:44px;font:inherit;padding:8px 12px;border:1px solid var(--line-strong);border-radius:2px;background:var(--bg);color:var(--text)}
.search input::placeholder{color:var(--faint)}
.sortsel{width:auto;flex:0 0 auto}
.btn{display:inline-flex;align-items:center;min-height:44px;padding:8px 16px;border:1px solid var(--line-strong);border-radius:2px;background:transparent;font:600 .9rem var(--sans);color:var(--text);cursor:pointer;text-decoration:none}
.btn:hover{border-color:var(--text)}
.result{font-size:.78rem;color:var(--faint);margin:0 0 8px}
/* feed + sharp cards */
.feed{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid var(--line)}
.card{background:transparent;border:1px solid var(--line);border-top:0;border-radius:0;padding:14px 16px 12px;position:relative;transition:box-shadow .15s ease}
.card:hover{box-shadow:inset 3px 0 0 var(--lime)}
.cardhead{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:-6px 0 0}
.toolmark{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:.8rem;font-weight:500;color:var(--lime);text-decoration:none;text-transform:uppercase;letter-spacing:.03em}
.toolmark span{background-position:0 100%}
.tlogo{width:16px;height:16px;flex:0 0 16px;opacity:.9}
.hlogo{width:.8em;height:.8em;margin-right:.25em;vertical-align:-.04em}
.card h3{font-size:1.1rem;font-weight:600;letter-spacing:-.025em;margin:0 0 6px;line-height:1.25}
.card h3 a{color:var(--text);display:inline;padding:0}
.card p{margin:4px 0;font-size:.93rem;line-height:1.45}
.lead{display:flex;align-items:baseline;gap:10px;margin:2px 0 2px!important}
.leadn{font-family:var(--mono);font-weight:500;font-size:2.1rem;line-height:1;letter-spacing:-.04em;color:var(--lime)}
.leadnote{font-size:.72rem;color:var(--muted)}
.lead.big .leadn{font-size:clamp(2.6rem,8vw,4rem)}
.meta{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 6px;font-size:.72rem}
.b{display:inline-flex;align-items:center;padding:1px 6px;border:1px solid var(--line-strong);border-radius:2px;color:var(--muted);text-decoration:none}
.b.out{color:var(--lime);border-color:rgba(228,255,74,.45)}.b.lab{color:var(--text)}
.how{color:var(--muted)}.how b{color:var(--text);font-weight:600}
.src{font-size:.75rem;color:var(--faint);margin-top:6px!important;overflow-wrap:anywhere}.src a{color:var(--text)}
.vote{min-width:60px;min-height:44px;border-radius:2px;border:1px solid var(--line-strong);background:transparent;color:var(--text);font-size:.82rem;font-weight:500;cursor:pointer;padding:0 12px}
.vote:hover:not(:disabled){border-color:var(--lime);color:var(--lime)}.vote[aria-pressed=true]{background:var(--lime);color:var(--ink-dark);border-color:var(--lime)}
.vote:disabled{cursor:not-allowed;color:var(--muted)}.vote[aria-pressed=true]:disabled{color:var(--ink-dark)}
.votenote:empty{display:none}.votenote{color:var(--faint);font-size:.75rem;margin:0 0 8px}
.more{display:flex;justify-content:center;margin:16px 0}
.secondary{margin-top:32px}.secondary h2{font-size:1.3rem;margin:0 0 4px}
/* side boxes */
.course,.subbox,.sponsor,.empty{border:1px solid var(--line-strong);border-radius:0;padding:14px;margin:18px 0;background:transparent}
.course h2{margin:0 0 4px;font-size:.98rem;text-transform:none;letter-spacing:-.02em;color:var(--text);font-family:var(--sans)}
.course p{margin:4px 0 10px;color:var(--muted);font-size:.9rem}
.course .btn,.empty .btn{background:var(--lime);color:var(--ink-dark);border-color:var(--lime)}.course .btn:hover,.empty .btn:hover{background:#eefe7a}
.sponsor{color:var(--muted)}.sponsor p{margin:2px 0}.sponsor a{display:inline-flex;align-items:center;min-height:44px}
/* sign-up */
.subbox{border-color:var(--lime);border-width:1px 1px 1px 3px}
.subbox .subh{margin:0 0 6px;font-family:var(--sans);font-weight:650;font-size:1.15rem;letter-spacing:-.03em;text-transform:none;color:var(--text)}
.subbox .offer{margin:0 0 10px;color:var(--text);font-size:.93rem}
.subbox label{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:4px}
.subrow{display:flex;gap:8px;flex-wrap:wrap}
.subrow input{flex:1 1 200px;min-width:0;min-height:44px;padding:8px 12px;border-radius:2px;border:1px solid var(--line-strong);background:var(--bg);color:var(--text);font:inherit}
.subrow input[aria-invalid=true]{border-color:#ff8a7a}
.btn.subbtn{background:var(--lime);color:var(--ink-dark);border-color:var(--lime)}.btn.subbtn:hover{background:#eefe7a}
.substatus{min-height:1.2em;margin:6px 0 0;font-size:.85rem;color:var(--text)}
.subbox .privacy{margin:6px 0 0;font-size:.72rem;color:var(--muted)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.subthanks:focus{outline:none}.subthanks p{margin:6px 0 10px}
.subbox.m{display:none;margin:0 0 12px}
.subbox.slim{padding:12px 14px}
/* prose pages */
.prose{max-width:70ch;padding:36px 0 50px}.prose h2{margin:28px 0 8px;font-size:1.3rem}.prose li{margin:4px 0}
.prose .meta{align-items:center;font-size:.75rem}.prose .meta .b{min-height:44px;padding:0 10px}
.prose .small,.small{color:var(--faint);font-size:.8rem}
.prose .feed{padding:0}
.toolh1{display:flex;align-items:center;flex-wrap:wrap;color:var(--text)}
.links{list-style:none;padding:0;border-top:1px solid var(--line)}.links li{margin:0;padding:12px 0;border-bottom:1px solid var(--line);line-height:1.4}
.links a{color:var(--text);font-weight:500}.links small{font-family:var(--mono);font-size:.72rem;color:var(--faint)}
.disclosure{font-size:.85rem;border-left:2px solid #ffb4a2;padding-left:10px}
.h3{font-size:1.1rem;font-weight:600;letter-spacing:-.025em;margin:0 0 6px}
.samplebar{display:inline-block;margin:0 0 6px;padding:2px 8px;border-radius:2px;background:#ffb4a2;color:var(--ink-dark);font-size:.75rem}
.card.sample{border-style:dashed}
footer{border-top:1px solid var(--line);padding:18px 0 30px;font-size:.78rem;color:var(--faint)}
footer a{display:inline-flex;align-items:center;min-height:44px;color:var(--text)}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:var(--lime);color:var(--ink-dark);padding:10px 16px;border-radius:2px;font-size:.9rem;opacity:0;transition:opacity .2s;pointer-events:none}.toast.show{opacity:1}
.ftoggle{display:none}
@media(max-width:820px){.layout{grid-template-columns:1fr;gap:0}.ftoggle{display:inline-flex}aside.filters[hidden-m]{display:none}.subbox.m{display:block}aside .subbox{display:none}.intro{padding:30px 0 18px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}