/* Backup Clarity — shared stylesheet */
:root{
  --paper:#FAFAF8;
  --ink:#1A1D1F;
  --ink-soft:#4A4F52;
  --ink-faint:#8A8F92;
  --line:#E7E4DC;
  --panel:#F2F0E9;
  --accent:#1B4965;
  --accent-dark:#14242E;
  --accent-soft:#EFF4F6;
  --accent-line:#D7E2E6;
  --warn:#D98E2B;
  --warn-ink:#1A1D1F;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  line-height:1.5;
}
h1,h2,h3{
  font-family:'IBM Plex Serif', Georgia, serif;
  margin:0;
  font-weight:500;
}
a{color:var(--accent); text-decoration:none;}
a:hover{color:#163A50;}
img{max-width:100%;display:block;}

.wrap{max-width:1280px; margin:0 auto; padding:0 24px;}

/* nav */
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 24px; border-bottom:1px solid var(--line); flex-wrap:wrap; gap:14px;
}
.nav .brand{display:flex; align-items:center; gap:9px; font-family:'IBM Plex Serif',serif; font-size:19px; font-weight:600; color:var(--ink);}
.nav .brand svg{display:block;}
.nav-links{display:flex; gap:24px; align-items:center; flex-wrap:wrap;}
.nav-links a{font-size:14px; color:var(--ink);}
.btn{
  display:inline-block; font-size:14px; font-weight:600; padding:11px 20px;
  border-radius:4px; border:none; cursor:pointer; font-family:inherit;
}
.btn-primary{background:var(--accent); color:var(--paper);}
.btn-primary:hover{background:#163A50; color:var(--paper);}
.btn-warn{background:var(--warn); color:var(--warn-ink);}
.btn-ghost{background:transparent; color:var(--ink); border-bottom:2px solid var(--ink); border-radius:0; padding:11px 4px;}

/* hero */
.hero{
  display:flex; flex-wrap:wrap; gap:44px; align-items:center;
  padding:64px 24px; max-width:1280px; margin:0 auto;
}
.hero-copy{flex:1 1 440px; min-width:0; display:flex; flex-direction:column; gap:20px;}
.badge{
  display:inline-flex; align-self:flex-start; align-items:center; gap:8px;
  background:var(--accent-soft); border:1px solid var(--accent-line); color:var(--accent);
  font-size:12.5px; font-weight:600; padding:6px 12px; border-radius:20px; letter-spacing:.03em;
}
.hero h1{font-size:42px; line-height:1.14; max-width:600px;}
.hero p.lead{font-size:16.5px; color:var(--ink-soft); max-width:520px;}
.hero-cta{display:flex; gap:14px; flex-wrap:wrap; margin-top:4px;}
.fineprint{font-size:13px; color:var(--ink-faint);}

/* estimate card (dark) */
.card-dark{
  background:var(--accent-dark); border-radius:10px; padding:28px; color:var(--paper);
  display:flex; flex-direction:column; gap:16px;
}
.card-dark .label{font-size:12.5px; letter-spacing:.04em; color:#9FB6C2; font-weight:600;}
.card-dark .big{font-size:36px; font-family:'IBM Plex Serif',serif; font-weight:500;}
.card-dark .small{font-size:13px; color:#6E8793;}
.card-dark .divider{height:1px; background:#27404D;}
.card-dark .row{display:flex; justify-content:space-between; font-size:14px;}
.card-dark .row .k{color:#9FB6C2;}
.card-dark .row .v{font-weight:600; text-align:right;}
.warn-chip{background:var(--warn); color:var(--warn-ink); font-size:13px; font-weight:500; line-height:1.5; padding:11px 13px; border-radius:4px;}

/* sections */
.section{padding:52px 24px;}
.section-panel{background:var(--panel);}
.section-title{font-size:26px; margin-bottom:34px;}
.grid-3{display:flex; gap:26px; flex-wrap:wrap; max-width:1280px; margin:0 auto;}
.grid-3 > *{flex:1 1 280px; min-width:0;}
.step-num{font-family:'IBM Plex Serif',serif; font-size:26px; color:var(--accent);}

.guide-card{
  border:1px solid var(--line); border-radius:8px; padding:24px;
  display:flex; flex-direction:column; gap:10px;
}
.tag{font-size:11.5px; font-weight:600; color:var(--accent); letter-spacing:.03em;}

.band-dark{
  margin:0 24px 56px; background:var(--ink); border-radius:10px; padding:40px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px;
  max-width:1232px; margin-left:auto; margin-right:auto;
}
.band-dark h2{color:var(--paper); font-size:23px;}
.band-dark p{color:#B8BBBD; font-size:14.5px; max-width:540px;}
.band-dark .eyebrow{color:var(--warn); font-size:12.5px; font-weight:700; letter-spacing:.04em;}

footer{border-top:1px solid var(--line); padding:36px 24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; max-width:1280px; margin:0 auto;}
.footer-cols{display:flex; gap:44px; flex-wrap:wrap; font-size:13px; color:var(--ink-soft);}
.footer-cols .col{display:flex; flex-direction:column; gap:8px;}
.footer-cols .col span{font-weight:600; color:var(--ink);}
.footer-cols .col a{color:var(--ink-soft);}
.footer-about{max-width:360px; font-size:13px; color:var(--ink-faint);}

/* calculator page */
.calc-wrap{display:flex; flex-wrap:wrap; gap:44px; padding:48px 24px; max-width:1280px; margin:0 auto;}
.calc-form{flex:1 1 520px; min-width:0; display:flex; flex-direction:column; gap:24px;}
.progress{display:flex; gap:8px;}
.progress .bar{flex:1; height:4px; border-radius:2px; background:var(--line);}
.progress .bar.on{background:var(--accent);}
.field label{display:block; font-size:14px; font-weight:600; margin-bottom:6px;}
.field input[type=text]{
  width:100%; font-size:15px; padding:12px 14px; border:1.5px solid var(--line);
  border-radius:6px; font-family:inherit;
}
.chk-grid{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px;}
.chk{
  display:flex; align-items:center; gap:11px; border:1.5px solid var(--line);
  border-radius:8px; padding:14px; cursor:pointer; user-select:none;
}
.chk.on{border-color:var(--accent); background:var(--accent-soft);}
.chk input{width:18px; height:18px; accent-color:var(--accent);}
.pill-row{display:flex; gap:10px; flex-wrap:wrap;}
.pill{
  padding:10px 18px; border-radius:20px; border:1.5px solid var(--line);
  font-size:14px; color:var(--ink-soft); cursor:pointer; background:none; font-family:inherit;
}
.pill.on{border-color:var(--accent); background:var(--accent); color:var(--paper); font-weight:600;}
.calc-results{flex:1 1 380px; min-width:300px;}
.calc-results .card-dark{position:sticky; top:20px;}

@media (max-width:640px){
  .hero h1{font-size:32px;}
  .chk-grid{grid-template-columns:1fr;}
  .nav-links{gap:14px;}
}