:root{
  --ink:#101828; --muted:#475467; --faint:#667085;
  --accent:#175cd3; --accent-dark:#0b4eb8; --green:#067647; --amber:#b54708;
  --bg:#ffffff; --panel:#f9fafb; --panel2:#f2f4f7; --line:#eaecf0;
  --radius:14px; --wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.site-header .wrap{display:flex;align-items:center;gap:28px;height:64px}
.logo{font-weight:800;font-size:21px;color:var(--ink);letter-spacing:-.02em}
.logo span{color:var(--accent)}
.site-nav{display:flex;gap:22px;margin-left:auto;flex-wrap:wrap}
.site-nav a{color:var(--muted);font-size:15px;font-weight:500}
.site-nav a:hover{color:var(--ink);text-decoration:none}
.hero{padding:72px 0 48px}
.hero h1{font-size:46px;line-height:1.12;letter-spacing:-.03em;margin:0 0 18px;font-weight:800}
.hero .lede{font-size:20px;color:var(--muted);max-width:720px;margin:0 0 28px}
.kicker{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 14px}
.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-weight:600;font-size:16px;border:1px solid transparent}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:#fff;color:var(--ink);border-color:#d0d5dd}
.btn-ghost:hover{border-color:var(--ink)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
.section{padding:52px 0}
.section.alt{background:var(--panel)}
.section h2{font-size:31px;letter-spacing:-.02em;margin:0 0 12px;font-weight:750}
.section .sub{color:var(--muted);font-size:18px;max-width:760px;margin:0 0 30px}
.doors{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.door,.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.door h3,.card h3{margin:0 0 8px;font-size:20px}
.door p,.card p{color:var(--muted);margin:0 0 16px;font-size:16px}
.door .tag,.card .tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--green);background:#ecfdf3;border:1px solid #a6f4c5;padding:3px 9px;border-radius:999px;margin-bottom:12px}
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:rung}
.rung{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.rung .num{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em;text-transform:uppercase}
.rung h3{margin:6px 0 8px;font-size:22px}
.rung p{color:var(--muted);margin:0}
.price-line{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline}
.price-line:last-child{border-bottom:none}
.price-line .what{font-weight:600}
.price-line .detail{color:var(--muted);font-size:15px;display:block;font-weight:400}
.price-line .amt{font-size:22px;font-weight:750;white-space:nowrap}
.faq details{border:1px solid var(--line);border-radius:10px;padding:16px 20px;margin-bottom:12px;background:#fff}
.faq summary{font-weight:650;cursor:pointer;font-size:17px}
.faq details p{color:var(--muted);margin:10px 0 2px}
.mock{background:#0c1524;color:#e6edf7;border-radius:18px;padding:28px;max-width:820px}
.mock .who{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#8fb8ff;margin-bottom:6px}
.mock .msg{margin:0 0 20px;font-size:17px}
.mock .msg:last-child{margin-bottom:0}
.record{background:#12233f;border:1px solid #24466e;border-radius:12px;padding:18px 20px;margin:12px 0}
.record .rname{font-weight:700;font-size:17px;color:#fff}
.record dl{display:grid;grid-template-columns:130px 1fr;gap:4px 14px;margin:10px 0 0;font-size:14.5px}
.record dt{color:#8fb8ff}
.record dd{margin:0;color:#dbe7f7}
.chip{display:inline-block;background:#067647;color:#fff;font-weight:650;font-size:14px;padding:5px 12px;border-radius:999px}
.example-note{font-size:13px;color:#8fa3bd;margin-top:14px}
.sentence{font-size:24px;line-height:1.7;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.sentence input{border:none;border-bottom:2px solid var(--accent);font-size:22px;padding:2px 6px;min-width:180px;color:var(--ink);background:#f8faff;border-radius:4px 4px 0 0}
.sentence input:focus{outline:none;background:#eef4ff}
.flow{counter-reset:step;list-style:none;padding:0;margin:0}
.flow li{position:relative;padding:0 0 22px 52px;color:var(--muted)}
.flow li::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px}
.flow li strong{color:var(--ink);display:block;font-size:17px}
.guardrails{background:#fffbeb;border:1px solid #fedf89;border-radius:var(--radius);padding:24px 28px}
.guardrails h3{margin-top:0}
.guardrails ul{margin:0;padding-left:20px;color:#7a4a00}
.note{color:var(--faint);font-size:14.5px}
.post{max-width:760px}
.post h1{font-size:38px;letter-spacing:-.02em;line-height:1.2}
.post p,.post li{font-size:17.5px;color:#1d2939}
.post ul{padding-left:22px}
.site-footer{border-top:1px solid var(--line);background:var(--panel);padding:40px 0;margin-top:20px}
.site-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
.site-footer h4{margin:0 0 10px;font-size:15px}
.site-footer p,.site-footer a{color:var(--muted);font-size:15px}
.site-footer .fineprint{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);color:var(--faint);font-size:13.5px}
@media (max-width:860px){
  .doors,.cards,.cards3,.ladder,.site-footer .cols{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .record dl{grid-template-columns:1fr}
  .sentence input{min-width:120px}
}