/* SignalBrief shared styles for content pages (privacy, terms, sample, unsubscribe, onboarding, 404) */
:root{--bg:#070b14;--bg-2:#0b1120;--surface:#0f1626;--surface-2:#131c30;--border:rgba(148,163,184,.14);--border-strong:rgba(148,163,184,.26);
--text:#e8edf5;--muted:#a3aec0;--dim:#8a96ab;--accent:#2de2c0;--accent-strong:#5ff0d4;--accent-ink:#04211b;--accent-soft:rgba(45,226,192,.12);
--radius:16px;--max:1160px;--font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
background-image:radial-gradient(900px 500px at 75% -10%,rgba(45,226,192,.12),transparent 60%),radial-gradient(700px 420px at 0% 10%,rgba(56,104,220,.11),transparent 60%);background-repeat:no-repeat}
img,svg{display:block;max-width:100%}
a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-strong);text-decoration:underline}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:8px 14px;border-radius:8px;z-index:100}.skip:focus{left:12px}
.nav{position:sticky;top:0;z-index:50;background:rgba(7,11,20,.8);backdrop-filter:saturate(140%) blur(12px);-webkit-backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid var(--border)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;letter-spacing:-.01em;font-size:18px}.brand:hover{color:var(--text);text-decoration:none}
.brand svg{width:28px;height:28px}.brand b{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:22px}.nav-links a:not(.btn){color:var(--muted);font-size:14px;font-weight:500}.nav-links a:not(.btn):hover{color:var(--text);text-decoration:none}
.nav-links a{white-space:nowrap}
@media (max-width:900px){.nav-links a.hide-md{display:none}}
@media (max-width:720px){.nav-links a.hide-sm{display:none}}
@media (max-width:420px){.nav-links{gap:14px}.nav-links a.hide-xs{display:none}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 15px/1 var(--font);padding:13px 20px;border-radius:999px;border:1px solid transparent;cursor:pointer;white-space:nowrap;text-decoration:none!important}
.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:hover{background:var(--accent-strong);color:var(--accent-ink)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border-strong)}.btn-ghost:hover{border-color:var(--accent);color:var(--text)}
.btn-sm{padding:10px 16px;font-size:14px}
main{flex:1;padding:56px 0 72px}
.page-head{max-width:780px;margin:0 auto 32px}
.kicker{color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;margin:0 0 10px}
h1{font-size:clamp(30px,4.4vw,44px);line-height:1.12;letter-spacing:-.03em;margin:0 0 14px}
h2{font-size:clamp(21px,2.4vw,26px);letter-spacing:-.02em;line-height:1.25;margin:36px 0 12px}
h3{font-size:18px;margin:24px 0 8px}
p{margin:0 0 14px}.lead{color:var(--muted);font-size:18px}
.muted{color:var(--muted)}.dim{color:var(--dim)}.small{font-size:14px}
.prose{max-width:780px;margin:0 auto}.prose p,.prose li{color:#cfd7e4}.prose strong{color:var(--text)}
.prose ul,.prose ol{padding-left:22px;margin:0 0 16px}.prose li{margin:6px 0}
.prose hr{border:0;border-top:1px solid var(--border);margin:28px 0}
.prose blockquote{margin:0 0 14px;padding:12px 16px;border-left:3px solid var(--accent);background:rgba(45,226,192,.06);border-radius:0 10px 10px 0;color:var(--text)}
.prose, .prose a{overflow-wrap:anywhere}
.card{background:linear-gradient(180deg,rgba(19,28,48,.78),rgba(15,22,38,.78));border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.note{border:1px solid rgba(250,204,21,.28);background:rgba(250,204,21,.06);color:#f3e3a6;border-radius:12px;padding:12px 16px;font-size:14.5px;margin:0 0 24px}
.pill{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;padding:4px 10px;border-radius:999px;border:1px solid var(--border-strong);color:var(--muted)}
.cta{max-width:780px;margin:40px auto 0;text-align:center}
.cta .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:18px}
/* forms */
form .field{margin-bottom:16px}label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--text)}
.hint{font-weight:400;color:var(--dim);font-size:13px}
input,select,textarea{width:100%;font:inherit;font-size:16px;color:var(--text);background:var(--bg-2);border:1px solid var(--border-strong);border-radius:10px;padding:12px 14px}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}@media (max-width:640px){.grid-2{grid-template-columns:1fr}}
.form-card{max-width:640px;margin:0 auto}
.hp{position:absolute;left:-9999px}
/* sample brief */
.brief{max-width:780px;margin:0 auto}
.brief .meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.brief h2{font-size:19px;margin:6px 0 10px}
.brief section{padding:22px 0;border-top:1px solid var(--border)}
.brief .means{background:var(--accent-soft);border-radius:10px;padding:12px 14px;color:var(--text)}
.brief .asset{background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin:10px 0}
.brief .asset .k{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
/* footer */
footer.site{border-top:1px solid var(--border);padding:32px 0;color:var(--dim);font-size:14px}
footer.site .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer.site p{margin:0 0 6px}footer.site address{font-style:normal}
footer.site .links a{color:var(--muted);margin-right:14px}footer.site .links a:hover{color:var(--text)}
@media print{.nav,footer.site,.cta,.skip,.noprint{display:none!important}body{background:#070b14}main{padding:20px 0}}

/* overnight 2026-10-20: form section headings (h2 for correct heading order, h3 look); bigger footer tap targets */
h2.fh{font-size:18px;margin:24px 0 8px;letter-spacing:0}
footer.site .links a{display:inline-block;padding:6px 0;min-height:24px}