/* ============================================================
   The OH Brief, shared website styles (ohbrief.com)
   Single typeface (Inter / Arial-Helvetica fallback).
   Brand system mirrors the newsletter web version.
   ============================================================ */
:root{
  --ink-navy:#14324F; --signal-blue:#2E6DA4; --spark-gold:#E0A83C;
  --paper-cream:#F7F4EC; --paper-deep:#E7E1D3; --near-black:#1A1F2B;
  --plan-green:#2F5738; --plan-green-bg:#EEF5EF;
  --teach-bg:#FFF8E8; --teach-border:#E8D9A8;
  --hairline:#E7E1D2; --ink-soft:#43506B; --muted:#7C7566;
  --divider:#C8CDBE; --zebra:#FBF9F3;
  --fs-body:16.5px;
  --maxw:1080px; --readw:720px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{margin:0;padding:0;}
body{
  background:var(--paper-deep);
  font-family:"Inter",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--near-black);line-height:1.68;font-size:var(--fs-body);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:var(--signal-blue);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{color:var(--ink-navy);line-height:1.2;letter-spacing:-.4px;margin:0 0 .5em;}
p{margin:0 0 1em;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.read{max-width:var(--readw);margin:0 auto;}

/* ---------- Header / nav ---------- */
.nav{background:var(--ink-navy);color:#fff;position:sticky;top:0;z-index:50;}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;}
.brand{font-size:26px;font-weight:700;letter-spacing:-.5px;color:#fff;}
.brand .dot{color:var(--spark-gold);}
.brand:hover{text-decoration:none;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{color:#CFE0F0;font-size:14px;font-weight:500;position:relative;}
.nav-links a:hover{color:#fff;text-decoration:none;}
.nav-links a.active{color:#fff;}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  border-radius:2px;background:var(--spark-gold);}
.nav-links a.nav-cta.active::after{display:none;}
.nav-cta{background:var(--spark-gold);color:var(--ink-navy)!important;font-weight:700;
  padding:8px 16px;border-radius:999px;font-size:13.5px;}
.nav-cta:hover{filter:brightness(1.05);text-decoration:none;}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer;}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(160deg,#173a5c 0%,#0F2438 100%);color:#fff;
  padding:84px 0 76px;text-align:center;}
.hero .tagchip{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:1.6px;
  text-transform:uppercase;color:var(--spark-gold);border:1px solid rgba(224,168,60,.5);
  padding:6px 14px;border-radius:999px;margin-bottom:22px;}
.hero h1{color:#fff;font-size:46px;line-height:1.1;max-width:760px;margin:0 auto .5em;}
.hero h1 .gold{color:var(--spark-gold);}
.hero .sub{color:#C7D6E6;font-size:19px;line-height:1.6;max-width:600px;margin:0 auto 34px;}
.btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn{display:inline-block;font-weight:700;font-size:15px;padding:13px 26px;border-radius:999px;
  cursor:pointer;border:1.5px solid transparent;transition:.15s;}
.btn-gold{background:var(--spark-gold);color:var(--ink-navy);}
.btn-gold:hover{filter:brightness(1.06);text-decoration:none;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);text-decoration:none;}
.hero .fine{color:#8FA6BC;font-size:12.5px;margin-top:22px;}

/* ---------- Section shells ---------- */
section{padding:68px 0;}
section.cream{background:var(--paper-cream);}
section.deep{background:var(--paper-deep);}
.eyebrow{display:flex;align-items:center;gap:9px;justify-content:center;
  font-size:11.5px;font-weight:700;letter-spacing:1.7px;text-transform:uppercase;
  color:var(--signal-blue);margin:0 0 12px;}
.section-title{text-align:center;font-size:32px;max-width:640px;margin:0 auto 14px;}
.section-title.one-line{max-width:none;white-space:nowrap;}
.section-lead{text-align:center;color:var(--ink-soft);font-size:17px;max-width:600px;margin:0 auto 44px;}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card{background:#fff;border:1px solid var(--hairline);border-radius:14px;padding:30px;
  box-shadow:0 6px 24px rgba(20,50,79,.05);}
.card h3{font-size:18.5px;letter-spacing:-.2px;}
.card p{color:var(--ink-soft);font-size:15px;margin:0;}

/* refined numeral, thin gold ring, navy figure */
.card .num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:50%;border:1.5px solid var(--spark-gold);background:transparent;color:var(--ink-navy);
  font-weight:600;font-size:15px;margin-bottom:18px;font-variant-numeric:tabular-nums;}

/* inline-SVG line-icon chip (replaces emojis) */
.ic-box{width:48px;height:48px;border-radius:12px;background:var(--paper-cream);
  border:1px solid var(--hairline);display:flex;align-items:center;justify-content:center;margin-bottom:18px;}
.ic-box svg{width:23px;height:23px;stroke:var(--ink-navy);stroke-width:1.6;fill:none;
  stroke-linecap:round;stroke-linejoin:round;}
.ic-box svg .accent{stroke:var(--spark-gold);}

/* teach + impact boxes (brand devices) */
.box{border-radius:12px;padding:22px 24px;font-size:15.5px;line-height:1.62;}
.box .lab{display:flex;align-items:center;gap:9px;font-weight:700;font-size:11.5px;
  letter-spacing:1.4px;text-transform:uppercase;margin:0 0 10px;}
.box .lab::before{content:"";flex:0 0 auto;width:16px;height:2px;border-radius:2px;background:currentColor;}
.box p{margin:0;}
.box.teach{background:var(--teach-bg);border:1px solid var(--teach-border);color:#52430F;}
.box.teach .lab{color:#8A6D1E;}
.box.impact{background:var(--plan-green-bg);border:1px solid #CFE0D2;color:#27402E;}
.box.impact .lab{color:var(--plan-green);}

/* ---------- Signup ---------- */
.signup{background:linear-gradient(150deg,#173a5c 0%,#122c46 100%);color:#fff;border-radius:20px;
  padding:52px 40px;text-align:center;}
.signup h2{color:#fff;font-size:30px;}
.signup p{color:#C7D6E6;max-width:520px;margin:0 auto 26px;}
.embed-slot{max-width:480px;margin:0 auto;}
/* fallback inline form look before beehiiv embed is pasted */
.embed-slot form{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;}
.embed-slot input[type=email]{flex:1;min-width:240px;padding:14px 16px;border-radius:10px;
  border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.95);font-size:15px;color:#1A1F2B;}
.embed-slot button{background:var(--spark-gold);color:var(--ink-navy);border:0;font-weight:700;
  padding:14px 24px;border-radius:10px;font-size:15px;cursor:pointer;}
.signup .fine{color:#8FA6BC;font-size:12px;margin-top:14px;}
.signup .fine a{color:#BFD1E3;text-decoration:underline;}
.signup .fine a:hover{color:#fff;}

/* ---------- Sample issue preview frame ---------- */
.preview-frame{max-width:760px;margin:0 auto;border:1px solid var(--hairline);border-radius:16px;
  overflow:hidden;box-shadow:0 14px 44px rgba(20,50,79,.14);background:var(--paper-deep);}
.preview-frame iframe{width:100%;height:600px;border:0;display:block;background:var(--paper-deep);}
/* full-width reading viewer for the Read-an-issue page */
.preview-frame.wide{max-width:960px;}
.preview-frame.wide iframe{height:820px;}
.preview-cap{text-align:center;color:var(--muted);font-size:12.5px;margin-top:14px;}

/* ---------- Glossary / learn list ---------- */
.term{background:#fff;border:1px solid var(--hairline);border-radius:12px;padding:20px 24px;margin-bottom:14px;}
.term h3{font-size:18px;margin-bottom:6px;}
.term p{margin:0;color:var(--ink-soft);font-size:15px;}
.term .life{margin-top:12px;padding-top:12px;border-top:1px solid var(--hairline);
  font-size:13.5px;color:var(--plan-green);}
.term .life b{color:var(--plan-green);font-weight:600;letter-spacing:.3px;}

/* mission band */
.band{background:linear-gradient(160deg,#173a5c 0%,#0F2438 100%);color:#fff;text-align:center;padding:60px 0;}
.band p{font-size:24px;line-height:1.5;max-width:760px;margin:0 auto;color:#EAF1F8;font-weight:500;letter-spacing:-.2px;}
.band .gold{color:var(--spark-gold);}

/* editorial lede + method rows */
.lede{font-size:20px;line-height:1.6;color:var(--ink-navy);font-weight:500;margin-bottom:1.2em;}
.method{display:flex;gap:22px;padding:26px 0;border-top:1px solid var(--hairline);}
.method:last-child{border-bottom:1px solid var(--hairline);}
.method .mk{flex:0 0 46px;}
.method .mtext h3{font-size:18.5px;margin-bottom:6px;}
.method .mtext p{color:var(--ink-soft);font-size:15px;margin:0;}
.method .ic-box{margin-bottom:0;}

/* ---------- Prose (about, legal) ---------- */
.prose h2{font-size:26px;margin-top:1.6em;}
.prose h3{font-size:19px;margin-top:1.4em;}
.prose p,.prose li{color:var(--ink-soft);}
.prose ul{padding-left:1.2em;}
.prose li{margin-bottom:.5em;}

/* ---------- Disclosures + footer ---------- */
.disclosures{background:#F1ECDF;color:#5C5647;font-size:10.5px;line-height:1.6;padding:30px 0;}
.disclosures .lab{font-weight:700;letter-spacing:.5px;text-transform:uppercase;font-size:10.5px;display:block;margin-bottom:8px;}
.disclosures p{margin:0 0 10px;}
.footer{background:var(--ink-navy);color:#B7C6D6;padding:52px 0 36px;}
.footer .wrap{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.footer .brand{font-size:24px;margin-bottom:10px;display:inline-block;}
.footer .tag{color:#8FA6BC;font-size:13px;line-height:1.6;max-width:290px;}
.footer .cols{display:flex;gap:56px;flex-wrap:wrap;}
.footer h4{color:#fff;font-size:12px;letter-spacing:1px;text-transform:uppercase;margin-bottom:14px;}
.footer .cols a{display:block;color:#B7C6D6;font-size:14px;margin-bottom:10px;}
.footer .cols a:hover{color:#fff;text-decoration:none;}
.footer .soon{color:#6E8298;font-size:14px;margin-bottom:10px;display:block;}
.footer .soon span{font-size:9.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--spark-gold);
  border:1px solid rgba(224,168,60,.4);border-radius:4px;padding:1px 5px;margin-left:6px;vertical-align:middle;}
/* social row */
.footer .social{display:flex;gap:12px;margin-top:18px;}
.footer .social a{width:38px;height:38px;border:1px solid rgba(255,255,255,.16);border-radius:10px;
  display:flex;align-items:center;justify-content:center;margin:0;}
.footer .social a:hover{background:rgba(255,255,255,.08);border-color:var(--spark-gold);text-decoration:none;}
.footer .social svg{width:17px;height:17px;fill:#B7C6D6;}
.footer .social a:hover svg{fill:#fff;}
.footer .base{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:22px;
  text-align:center;color:#7E93A8;font-size:12px;}
.footer .base .dot{color:var(--spark-gold);}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  section{padding:52px 0;}
  .hero{padding:60px 0 54px;}
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .hero h1{font-size:33px;}
  .hero .sub{font-size:17px;}
  .section-title{font-size:25px;}
  .section-title.one-line{white-space:normal;}
  .band p{font-size:20px;}
  .signup{padding:40px 24px;}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--ink-navy);
    flex-direction:column;align-items:flex-start;padding:16px 24px;gap:16px;border-top:1px solid rgba(255,255,255,.1);}
  .nav-links.open{display:flex;}
  .nav-links a.active::after{display:none;}
  .nav-toggle{display:block;}
  .footer .wrap{flex-direction:column;}
  .footer .cols{gap:40px;}
}

/* ---------- Issue archive list ---------- */
.issue-list{display:flex;flex-direction:column;gap:14px;max-width:760px;margin:0 auto;}
.issue-row{display:flex;align-items:stretch;gap:20px;background:#fff;border:1px solid var(--hairline);
  border-radius:14px;padding:20px 22px;text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s;}
.issue-row:hover{text-decoration:none;border-color:var(--spark-gold);
  box-shadow:0 6px 20px rgba(20,50,79,.08);transform:translateY(-1px);}
.issue-date{flex:0 0 76px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;border-right:1px solid var(--hairline);padding-right:18px;}
.issue-date .wd{font-size:11px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--spark-gold);}
.issue-date .md{font-size:18px;font-weight:700;color:var(--ink-navy);line-height:1.15;margin-top:2px;}
.issue-date .yr{font-size:12px;color:var(--muted);margin-top:1px;}
.issue-main{flex:1 1 auto;min-width:0;}
.issue-head{display:flex;align-items:center;gap:10px;margin-bottom:5px;flex-wrap:wrap;}
.issue-head h3{font-size:17px;margin:0;letter-spacing:-.2px;}
.issue-badge{font-size:10px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  color:var(--ink-navy);background:var(--spark-gold);padding:2px 8px;border-radius:999px;}
.issue-main p{color:var(--ink-soft);font-size:14.5px;line-height:1.55;margin:0;}
.issue-go{flex:0 0 auto;align-self:center;font-size:20px;color:var(--spark-gold);font-weight:700;}
@media(max-width:860px){
  .issue-row{padding:16px 18px;gap:14px;}
  .issue-date{flex-basis:60px;padding-right:14px;}
  .issue-date .md{font-size:16px;}
  .issue-go{display:none;}
}