:root{
  --paper:#f6f4ef; --paper-2:#fffefb; --ink:#161c26; --ink-2:#4a5464; --ink-3:#7c8695;
  --navy:#12314f; --navy-2:#1c4a76; --line:#ded8cc; --line-2:#ebe6db;
  --accent:#7a2f4a; --accent-soft:#f3e7ec;
  --ok:#1f6b4d; --ok-soft:#e6f1eb; --warn:#8a5a10; --warn-soft:#faf0dc; --bad:#8d2f26; --bad-soft:#f8e8e5;
  --r:6px; --shadow:0 1px 2px rgba(18,49,79,.06), 0 8px 24px rgba(18,49,79,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Libre Franklin",-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:"Source Serif 4",Georgia,serif;font-weight:600;line-height:1.15;text-wrap:balance;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.2vw,3.1rem);letter-spacing:-.015em}
h2{font-size:1.75rem;letter-spacing:-.01em}
h3{font-size:1.2rem}
p{margin:0 0 1em;max-width:68ch}
a{color:var(--navy-2)}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin:0 0 1rem}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px}
.narrow{max-width:760px}

/* site chrome */
header.site{background:var(--navy);color:#fff}
header.site .wrap{display:flex;align-items:center;gap:24px;padding:16px 28px;flex-wrap:wrap}
.brandmark{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}
.crest{width:38px;height:44px;flex:none}
.brandmark .bt{font-family:"Source Serif 4",serif;font-size:1.22rem;font-weight:600;line-height:1.05}
.brandmark .bs{font-family:"IBM Plex Mono",monospace;font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:#9fc0dc}
nav.site{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
nav.site button{background:none;border:0;color:#cfe0ef;font:inherit;font-size:.9rem;padding:8px 13px;border-radius:var(--r);cursor:pointer}
nav.site button:hover{background:rgba(255,255,255,.09);color:#fff}
nav.site button.on{background:#fff;color:var(--navy);font-weight:600}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--navy);color:#fff;border:1px solid var(--navy);padding:11px 20px;border-radius:var(--r);font:inherit;font-weight:600;font-size:.95rem;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--navy-2)}
.btn.alt{background:transparent;color:var(--navy);border-color:var(--line)}
.btn.alt:hover{background:#fff}
.btn.acc{background:var(--accent);border-color:var(--accent)}
.btn.sm{padding:7px 13px;font-size:.85rem}

/* sections */
section.page{display:none;padding:52px 0 76px}
section.page.on{display:block}
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.g3,.g2{grid-template-columns:1fr}}
label{display:block;font-size:.78rem;font-weight:600;letter-spacing:.02em;color:var(--ink-2);margin:0 0 5px;text-transform:uppercase}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r);background:#fff;font:inherit;color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--navy-2);outline-offset:1px}
.field{margin:0 0 16px}
.hint{font-size:.8rem;color:var(--ink-3);margin:5px 0 0}
.row{display:grid;gap:16px;grid-template-columns:1fr 1fr}
@media(max-width:620px){.row{grid-template-columns:1fr}}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line-2);vertical-align:top}
th{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-family:"IBM Plex Mono",monospace;font-weight:500}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.tag{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;padding:3px 8px;border-radius:99px}
.t-ok{background:var(--ok-soft);color:var(--ok)}
.t-warn{background:var(--warn-soft);color:var(--warn)}
.t-bad{background:var(--bad-soft);color:var(--bad)}
.t-neutral{background:#eceef2;color:var(--ink-2)}
.note{border-left:3px solid var(--navy);background:#eef3f8;padding:14px 18px;border-radius:0 var(--r) var(--r) 0;margin:0 0 20px}
.note.acc{border-color:var(--accent);background:var(--accent-soft)}
.note p:last-child{margin:0}
hr.rule{border:0;border-top:1px solid var(--line);margin:32px 0}
.steps{display:flex;gap:0;margin:0 0 28px;font-size:.8rem;font-family:"IBM Plex Mono",monospace;flex-wrap:wrap}
.steps div{padding:7px 14px;border:1px solid var(--line);border-right:0;color:var(--ink-3);background:#fff}
.steps div:last-child{border-right:1px solid var(--line)}
.steps div.on{background:var(--navy);border-color:var(--navy);color:#fff}
.repeat{border:1px dashed var(--line);border-radius:var(--r);padding:14px;margin:0 0 12px;background:#fdfcf9}
.repeat .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.repeat .top span{font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.linkbtn{background:none;border:0;color:var(--accent);font:inherit;font-size:.85rem;cursor:pointer;text-decoration:underline;padding:0}
footer.site{background:var(--ink);color:#a9b1bd;padding:40px 0;font-size:.85rem;margin-top:40px}
footer.site .wrap{display:flex;gap:30px;flex-wrap:wrap;justify-content:space-between}
footer.site a{color:#cfd6df}
.hero{background:linear-gradient(180deg,#12314f 0%,#173c60 100%);color:#fff;padding:60px 0 56px}
.hero h1{color:#fff;max-width:20ch}
.hero p{color:#cfe0ef;font-size:1.1rem;max-width:56ch}
.hero .cta{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.hero .btn.alt{color:#fff;border-color:rgba(255,255,255,.4)}
.hero .btn.alt:hover{background:rgba(255,255,255,.1)}
.price{font-family:"Source Serif 4",serif;font-size:2.6rem;font-weight:600;line-height:1}
.mono{font-family:"IBM Plex Mono",monospace}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 20px;font-size:.94rem}
.kv dt{color:var(--ink-3);font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;padding-top:3px;font-family:"IBM Plex Mono",monospace}
.kv dd{margin:0;font-weight:500}
.mockmail{border:1px solid var(--line);border-radius:var(--r);background:#fff;font-size:.9rem;overflow:hidden}
.mockmail .h{background:#f1efe9;border-bottom:1px solid var(--line);padding:10px 16px;font-family:"IBM Plex Mono",monospace;font-size:.75rem;color:var(--ink-2)}
.mockmail .b{padding:18px}
.stripe{border:1px solid var(--line);border-radius:var(--r);background:#fff;padding:20px;max-width:420px}
.stripe .bar{height:6px;border-radius:99px;background:linear-gradient(90deg,#635bff,#00d4ff);margin-bottom:16px}
.center{text-align:center}

nav.site a{color:#cfe0ef;text-decoration:none;font-size:.9rem;padding:8px 13px;border-radius:var(--r)}
nav.site a:hover{background:rgba(255,255,255,.09);color:#fff}
nav.site a.on{background:#fff;color:var(--navy);font-weight:600}
.testbar{background:#7a2f4a;color:#fff;text-align:center;font-size:.85rem;padding:8px 14px}
.flash{padding:12px 16px;border-radius:var(--r);margin:0 0 18px;font-size:.95rem}
.flash.ok{background:var(--ok-soft);color:var(--ok)} .flash.bad{background:var(--bad-soft);color:var(--bad)} .flash.warn{background:var(--warn-soft);color:var(--warn)}
.err{color:var(--bad);font-size:.82rem;margin:4px 0 0}
main{min-height:55vh}
.inline{display:inline}
.chk{display:flex;gap:10px;align-items:flex-start;text-transform:none;font-weight:400;font-size:.92rem;letter-spacing:0;color:var(--ink)}
.chk input{width:auto;margin-top:5px}