:root{--ink:#14181f;--muted:#5b6472;--line:#e4e7ec;--bg:#fff;--accent:#0b5fff;--accent-ink:#fff;--soft:#f5f7fa}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,Segoe UI,Inter,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:var(--accent)}
.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--ink);text-decoration:none;font-size:18px}.brand span{color:var(--accent)}
.nav nav a{margin-left:18px;text-decoration:none;color:var(--ink)}
main{max-width:1040px;margin:0 auto;padding:0 20px}
section{padding:56px 0;border-bottom:1px solid var(--line)}
.hero{text-align:left;padding-top:72px}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:12px;color:var(--muted);margin:0 0 12px}
h1{font-size:clamp(30px,4.5vw,46px);line-height:1.15;margin:0 0 16px;max-width:820px}
h2{font-size:26px;margin:0 0 14px}
h3{font-size:18px;margin:0 0 8px}
.lead{font-size:18px;max-width:760px;color:#2b323d}
.cta{display:flex;gap:12px;margin:22px 0 10px;flex-wrap:wrap}
.btn{display:inline-block;padding:10px 16px;border:1px solid var(--ink);border-radius:6px;text-decoration:none;color:var(--ink);background:#fff;font-weight:600}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.fine{font-size:13px;color:var(--muted)}
.muted{color:var(--muted)}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px}
.checks{list-style:none;padding:0;margin:0}.checks li{padding:10px 0 10px 28px;position:relative}
.checks li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:20px}
.plan{border:1px solid var(--line);border-radius:10px;padding:24px;background:#fff}
.plan.featured{border-color:var(--accent);box-shadow:0 6px 24px rgba(11,95,255,.08)}
.price{font-size:34px;font-weight:700;margin:6px 0 0}.price span{font-size:14px;font-weight:400;color:var(--muted)}
.alt{margin:0 0 12px;color:var(--muted);font-size:14px}
.plan ul{padding-left:18px;margin:0 0 18px}
.sample form{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.sample .hp{position:absolute;left:-10000px;width:1px;height:1px;opacity:0}
.sample input{padding:10px 12px;border:1px solid var(--line);border-radius:6px;min-width:240px;font-size:15px}
.method{background:var(--soft);margin:0 -20px;padding:48px 20px}
footer{max-width:1040px;margin:0 auto;padding:28px 20px;color:var(--muted);font-size:14px}
table{border-collapse:collapse;margin:8px 0 20px;min-width:min(520px,100%)}
th,td{border-bottom:1px solid var(--line);padding:6px 12px;text-align:left}
td+td,th+th{text-align:right}
blockquote{margin:12px 0;padding:4px 20px;border-left:3px solid var(--line)}
@media (max-width:720px){.nav nav a:not(.btn){display:none}}
.price .pv{font-size:inherit;font-weight:inherit;color:inherit}.pv[hidden]{display:none}
.plan .btn + .alt{margin-top:10px}
.offer{display:inline-block;align-self:flex-start;margin:0 0 12px;padding:6px 10px;border-radius:8px;line-height:1.4;background:#e8f7ee;color:#0a7a3d;font-size:14px;font-weight:600}
.cycle-row{display:flex;justify-content:center;margin:28px 0 8px}
.cycle{display:inline-flex;gap:2px;padding:4px;border-radius:10px;background:var(--soft);border:1px solid var(--line)}
.cycle button{display:inline-flex;align-items:center;gap:8px;border:0;background:transparent;padding:9px 18px;border-radius:7px;font:inherit;font-size:15px;font-weight:600;color:var(--muted);cursor:pointer;transition:background .15s,color .15s,box-shadow .15s}
.cycle button:hover{color:var(--ink)}
.cycle button[aria-pressed=true]{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(20,24,31,.12),0 1px 1px rgba(20,24,31,.06)}
.cycle button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.cycle .save{font-size:12px;font-weight:600;color:#0a7a3d;background:#e8f7ee;padding:2px 8px;border-radius:999px}
.plan{display:flex;flex-direction:column}.plan ul{flex:1}.plan .btn{align-self:flex-start}
.proof{padding:40px 0}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin:8px 0 22px}
.stats div{border-left:3px solid var(--accent);padding-left:14px}.stats strong{display:block;font-size:30px;line-height:1.2}.stats span{color:var(--muted);font-size:14px}
.proof blockquote{margin:0 0 16px;padding:16px 20px;background:var(--soft);border-radius:8px;font-size:17px}.proof cite{display:block;margin-top:6px;font-size:13px;color:var(--muted);font-style:normal}
.tech{list-style:none;padding:0;margin:14px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:10px 28px}.tech li{padding:8px 0;border-bottom:1px solid var(--line)}
.nw{white-space:nowrap}
button.btn{font:inherit;font-weight:600;cursor:pointer}
.sample input{font-size:16px;line-height:1.4}
.btn:focus-visible,.sample input:focus-visible,.nav a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sample input:user-invalid{border-color:#c62828}
.method{margin:0;border-radius:12px;padding:48px 28px}
.plan ul{list-style:none;padding-left:0}.plan li{position:relative;padding:3px 0 3px 24px}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.hero-grid{display:grid;gap:36px;align-items:start}@media (min-width:900px){.hero-grid{grid-template-columns:1.3fr 1fr}.hero h1{font-size:38px}}
.issue-card{border:1px solid var(--line);border-radius:10px;padding:20px 22px;background:#fff;box-shadow:0 6px 24px rgba(20,24,31,.08);font-size:15px}
.issue-card h3{font-size:17px;line-height:1.35;margin:10px 0 6px}.issue-card p{margin:0 0 10px}
.ic-head{display:flex;justify-content:space-between;gap:12px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:10px}
.ic-head span:last-child{color:var(--accent);font-weight:600}
.ic-meta{font-size:13px;color:var(--muted)}.ic-foot{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:10px;margin:12px 0 0!important}
.ic-head span:last-child{white-space:nowrap;flex-shrink:0}
@media (max-width:540px){.chart text{font-size:24px}}
/* site critic 2026-10-12: form controls use the page font (were browser-default Arial); the card's topic tag keeps chemistry case (Mn–Al–C, not MN–AL–C);
   on phones the sample form fields and button share one full-width column */
.sample input{font-family:inherit}
.ic-head span:last-child{text-transform:none;letter-spacing:.02em}
@media (max-width:540px){.sample input,.sample button{flex:1 1 100%;min-width:0;box-sizing:border-box;min-height:47px}}
/* Home redesign 2026-10-21 (COO-2026-10-20-04, CMO spec; founder's decision 2026-10-19). Everything below is scoped to
   body.home so the technology pages, the landscape and /app keep their look. */
body.home{--navy:#0B1530;--navy2:#13224A;--on-dark-muted:#B8C2D9;--hl:#7FB2FF}
body.home main{max-width:none;margin:0;padding:0}
body.home main>section,body.home .h-pricing{border-bottom:0;padding:64px 0}
body.home .wrap{max-width:1360px;margin:0 auto;padding:0 24px}
body.home .nav{background:var(--navy);border-bottom:1px solid rgba(255,255,255,.08);padding:16px 24px}
body.home .nav .brand{color:#fff}body.home .nav .brand span{color:var(--hl)}
body.home .nav nav a{color:#CFE0FF;display:inline;margin-left:22px;font-weight:600}
body.home .nav nav a:hover{color:#fff}
body.home .nav a:focus-visible,body.home .h-hero a:focus-visible,body.home .h-final a:focus-visible,body.home .h-form .btn:focus-visible{outline:2px solid #fff;outline-offset:3px}
body.home h2{font-size:30px;line-height:1.2;margin:0 0 24px}
.h-hero{background:linear-gradient(160deg,#0B1530,#13224A);color:#fff;padding:56px 0 64px!important}
.h-hero-grid{display:grid;grid-template-columns:minmax(0,760px) minmax(0,1fr);gap:48px;align-items:start}

.h-hero h1{font-size:clamp(32px,4.4vw,54px);line-height:1.08;font-weight:700;max-width:17ch;margin:8px 0 20px;color:#fff}
/* site critic 2026-10-21: visible error state (not only the browser tooltip) on the home and technology-page forms */
.h-form,.inline-offer{flex-wrap:wrap}
.h-form:has(input[type=email]:user-invalid)::after,.inline-offer:has(input[type=email]:user-invalid)::after{content:"Enter a valid work email address.";flex:1 1 100%;font-size:14px;font-weight:600}
.h-form:has(input[type=email]:user-invalid)::after{color:#ffb4ab}
.inline-offer:has(input[type=email]:user-invalid)::after{color:#c62828}
.h-hero h1 em{color:var(--hl);font-style:normal}
.h-sub{font-size:20px;line-height:1.45;color:var(--on-dark-muted);margin:0 0 28px}
.h-form{display:flex;gap:10px;margin:0 0 12px;max-width:620px}
.h-form input[type=email]{flex:1 1 auto;min-width:0;height:52px;padding:0 16px;border:1px solid transparent;border-radius:8px;font:inherit;font-size:16px;color:var(--ink);background:#fff}
.h-form input[type=email]:focus-visible{outline:3px solid var(--hl);outline-offset:2px}
.h-form input:user-invalid{border-color:#ff8a80}
.h-form .hp{position:absolute;left:-10000px;width:1px;height:1px;opacity:0}
body.home .h-form .btn,body.home .h-final .btn{height:52px;padding:0 22px;border-radius:8px;font-size:16px;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center}
body.home .h-form .btn:hover,body.home .h-final .btn:hover{background:#0a52dd;border-color:#0a52dd}
.h-micro{margin:0 0 8px;font-size:14px;color:var(--on-dark-muted)}
.h-consent{margin:0;font-size:13px;line-height:1.5;color:#93A0BD;max-width:40em}
.h-hero a{color:#CFE0FF}
.h-shot{margin:0}
.h-window{background:#fff;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.45);overflow:hidden}
.h-bar{display:flex;gap:7px;padding:11px 14px;background:#eef1f5;border-bottom:1px solid #e1e5eb}
.h-bar span{width:11px;height:11px;border-radius:50%;background:#c9cfd8}
.h-bar span:first-child{background:#ff6b5f}.h-bar span:nth-child(2){background:#ffc130}.h-bar span:last-child{background:#2ac940}
.h-view{max-height:520px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
.h-img{position:relative}
.h-img img{display:block;width:100%;height:auto}
.h-mark{position:absolute;transform:translate(-50%,-50%);width:22px;height:22px;border-radius:50%;background:#FFD166;color:#0B1530;font-size:15px;font-weight:700;line-height:22px;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,.35)}
.h-shot figcaption{display:flex;flex-direction:column;gap:4px;margin-top:14px;font-size:13px;color:var(--on-dark-muted)}
.h-shot figcaption span:last-child{color:#fff;font-weight:600}
.h-proof{background:#fff}
.h-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin:0 0 20px}
.h-stats strong{display:block;font-size:40px;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--navy)}
.h-stats span{display:block;margin-top:6px;font-size:15px;color:var(--muted)}
.h-source{font-size:13px;color:var(--muted);margin:0 0 22px}
.h-offices{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 22px;margin:0 0 14px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:#6B7487}
.h-offices span{font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.h-offices b{font-weight:700;font-size:17px;letter-spacing:.04em}
.h-trust{margin:0;font-size:15px}
.h-what{padding-top:24px!important}
.h-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.h-card{background:var(--soft);border-left:4px solid var(--accent);border-radius:8px;padding:24px}
.h-card svg{color:var(--accent);display:block;margin-bottom:14px}
.h-card h3{font-size:19px;margin:0 0 8px}.h-card p{margin:0;color:#3a4250}
.h-pricing{background:var(--soft)}
.h-pricing #pricing{padding:0;border:0}
.h-final{background:var(--navy);color:#fff;text-align:center}
.h-final h2{color:#fff}
body.home footer{max-width:1360px;padding:28px 24px}
.h-cover a{white-space:nowrap}
@media (max-width:820px){
  body.home .nav-pricing{display:none!important}
  body.home .nav nav a{margin-left:16px}
  body.home h2{font-size:24px}
  body.home main>section,body.home .h-pricing{padding:36px 0}
  .h-card{padding:18px 20px}
  .h-card svg{margin-bottom:8px}
  body.home .wrap{padding:0 20px}
  .h-hero{padding:20px 0 40px!important}
  .h-hero-grid{grid-template-columns:1fr;gap:20px}
  .h-sub{line-height:1.4}
  .h-micro{margin-bottom:4px}
  .h-consent{font-size:12px}
  .h-hero h1{max-width:none;margin-top:0}
  .h-sub{font-size:17px;margin-bottom:20px}
  .h-form{flex-direction:column}
  .h-form input[type=email],body.home .h-form .btn{width:100%;height:52px}
  .h-view{max-height:420px;overflow:hidden;position:relative}
  .h-view::after{content:"";position:absolute;left:0;right:0;bottom:0;height:64px;background:linear-gradient(rgba(255,255,255,0),#fff)}
  .h-mark,.h-keys{display:none}
  .h-stats{grid-template-columns:1fr 1fr;gap:22px 16px}
  .h-stats strong{font-size:32px}
  .h-offices{gap:6px 14px}.h-offices b{font-size:15px}
  .h-cards{grid-template-columns:1fr}
  .h-what{padding-top:8px!important}
}
/* Technology pages: sample offer right after the pain sentence (COO-2026-10-20-06); same look as the home form */
.offer-line{font-size:17px;font-weight:600;margin:20px 0 10px;max-width:760px}
.inline-offer{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 10px}
.inline-offer input[type=email]{width:320px;max-width:100%;height:52px;padding:0 16px;border:1px solid #c5ccd6;border-radius:8px;font:inherit;font-size:16px;color:var(--ink);background:#fff}
.inline-offer input[type=email]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.inline-offer input:user-invalid{border-color:#c62828}
.inline-offer .hp{position:absolute;left:-10000px;width:1px;height:1px;opacity:0}
.inline-offer .btn{height:52px;padding:0 22px;border-radius:8px;font-size:16px;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}
.offer-consent{max-width:760px;margin:0}
@media (max-width:820px){.inline-offer{flex-direction:column}.inline-offer input[type=email],.inline-offer .btn{width:100%}}