:root{
  --ink:#171a38;
  --ink-soft:#2d3158;
  --muted:#686c7f;
  --line:#d8dce7;
  --paper:#f7f7f4;
  --paper-2:#eef1f4;
  --card:#ffffff;
  --accent:#d9433f;
  --accent-deep:#bf3431;
  --accent-soft:#fff0ef;
  --success:#e8f5f5;
  --warning:#fff5d9;
  --danger:#fff1f0;
  --radius:3px;
  --shadow:0 14px 40px rgba(18,18,18,.055);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Helvetica Neue",Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}
::selection{background:var(--accent);color:#fff}
.topbar{min-height:82px;padding:0 max(24px,5vw);display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid #25294f;background:#171a38;backdrop-filter:blur(10px);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;color:inherit;text-decoration:none}
.brand-image{display:block;width:270px;max-width:48vw;height:auto}
.beta{font-size:10px;font-weight:900;letter-spacing:.14em;border:1px solid rgba(255,255,255,.5);color:#fff;padding:7px 9px;border-radius:var(--radius);white-space:nowrap}
main{width:min(1120px,90vw);margin:0 auto}
.hero{padding:84px 0 34px;max-width:980px;position:relative}
.hero:before{content:"";width:64px;height:5px;background:var(--accent);position:absolute;top:52px;left:0}
.eyebrow{font-size:12px;font-weight:950;letter-spacing:.16em;margin:0 0 20px;color:var(--accent);text-transform:uppercase}
h1{font-size:clamp(44px,7vw,86px);line-height:.93;letter-spacing:-.058em;margin:0;max-width:1060px;font-weight:900}
h1 span{color:#6fbdc0}
.intro{font-size:20px;line-height:1.5;max-width:820px;margin:30px 0 18px;color:#434761}
.privacy-pill{display:inline-flex;align-items:center;gap:8px;background:var(--success);padding:10px 12px;border-radius:var(--radius);font-size:14px;font-weight:800;border:1px solid #c8e3e4}
.checker-card,.result-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin:24px 0;box-shadow:var(--shadow)}
.card-kicker{display:flex;align-items:center;gap:9px;font-size:11px;font-weight:950;letter-spacing:.13em;color:var(--muted);text-transform:uppercase;margin-bottom:18px}.card-kicker:before{content:"";width:8px;height:8px;background:var(--accent);border-radius:50%}
label{font-weight:900;font-size:20px;display:block;margin-bottom:12px;letter-spacing:-.02em}
textarea{width:100%;min-height:220px;resize:vertical;border:1px solid #b9b6af;border-radius:var(--radius);padding:18px;font:16px/1.58 inherit;outline:none;background:#fff;color:var(--ink)}
textarea::placeholder{color:#98958e}
textarea:focus{border-color:var(--ink);box-shadow:0 0 0 2px rgba(18,18,18,.08)}
.textarea-meta{display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px;margin-top:9px}.textarea-meta strong{color:var(--ink)}
.actions{display:flex;gap:10px;margin-top:22px}
button,.course-cta a{border:0;background:var(--ink);color:#fff;padding:14px 18px;border-radius:var(--radius);font-weight:900;cursor:pointer;text-decoration:none;font-size:14px;transition:transform .15s ease,background .15s ease,opacity .15s ease}
button:hover,.course-cta a:hover{transform:translateY(-1px);background:var(--accent-deep)}
.secondary,.copy{background:#fff;color:var(--ink);border:1px solid var(--ink)}
.secondary:hover,.copy:hover{background:var(--paper);color:var(--ink)}
button[disabled]{opacity:.55;cursor:wait;transform:none}
.error{margin-top:18px;padding:14px;background:var(--danger);border-left:4px solid #b42318;font-size:14px;line-height:1.45}
.result-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:22px;font-size:11px;font-weight:950;letter-spacing:.13em;text-transform:uppercase}.result-top span:before{content:"";display:inline-block;width:8px;height:8px;background:var(--accent);border-radius:50%;margin-right:9px}
.copy{padding:8px 10px;font-size:11px;letter-spacing:.04em;text-transform:none}
article{font-size:16px;line-height:1.58}article h1{font-size:36px;line-height:1.04;letter-spacing:-.035em;margin:0 0 22px}article h2{font-size:19px;line-height:1.25;letter-spacing:-.015em;margin:28px 0 9px}article ul{padding-left:24px}article li{margin:7px 0}
.course-cta{margin-top:32px;border-top:1px solid var(--line);padding-top:24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.course-cta strong{font-size:17px}.course-cta p{margin:5px 0;color:var(--muted)}
.dimensions-wrap{margin:58px 0 22px}.dimensions-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:16px}.dimensions-title h2{font-size:28px;margin:0;letter-spacing:-.035em}.dimensions-title p{max-width:420px;margin:0;color:var(--muted);font-size:14px;line-height:1.45}
.dimensions{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:0}.dimensions div{background:var(--paper);padding:20px;min-height:166px;display:flex;flex-direction:column}.dimensions b{color:var(--accent);font-size:11px;letter-spacing:.1em;margin-bottom:30px}.dimensions strong{margin-bottom:8px;font-size:15px}.dimensions span{font-size:13px;line-height:1.45;color:var(--muted)}
.guardrail{margin:0 0 58px;padding:18px 20px;border:1px solid var(--line);background:var(--accent-soft);display:flex;gap:14px;align-items:flex-start}.guardrail b{white-space:nowrap}.guardrail p{margin:0;color:#55586d;font-size:13px;line-height:1.5}
footer{width:min(1120px,90vw);margin:30px auto 50px;border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}.footer-logo{display:block;width:190px;height:auto;background:#171a38;padding:8px 10px;border-radius:var(--radius)}
@media(max-width:800px){.topbar{min-height:68px}.brand-image{width:210px;max-width:62vw}.hero{padding-top:64px}.hero:before{top:38px}.intro{font-size:17px}.checker-card,.result-card{padding:20px}.textarea-meta,.course-cta,footer,.dimensions-title,.guardrail{flex-direction:column;align-items:flex-start}.dimensions{grid-template-columns:1fr}.dimensions div{min-height:112px}.actions{flex-wrap:wrap}.beta{font-size:9px}h1{font-size:clamp(42px,14vw,64px)}}

/* v2 usage, Turnstile and paywall */
.card-topline{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px}.usage{display:flex;flex-direction:column;text-align:right;font-size:12px;font-weight:700;color:var(--muted);gap:3px}.usage #cooldownText{color:var(--accent)}.turnstile-wrap{margin-top:16px;max-width:340px}.paywall-card{margin:28px auto 0;max-width:920px;background:var(--ink);color:white;padding:32px;border-radius:3px}.paywall-card h2{font-size:32px;margin:5px 0 8px}.paywall-card p{color:#dfe2ea}.paywall-card .eyebrow{color:var(--accent)}.credit-packs{display:flex;gap:12px;margin:22px 0 12px}.credit-packs button{flex:1;background:white;color:var(--ink);border:0;padding:18px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;border-radius:3px;font-size:17px}.credit-packs button span{color:var(--accent);font-weight:800}.paywall-card small{color:#aeb3c5}@media(max-width:640px){.card-topline{flex-direction:column}.usage{text-align:left}.credit-packs{flex-direction:column}}