:root {
  --paper: #eef1f3;
  --card: #f9fafb;
  --ink: #14213d;
  --muted: #5b6577;
  --rule: #cfd6dd;
  --daily: #0f7b6c;
  --weekly: #3d5a98;
  --monthly: #b07d12;
  --display: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--body);
}
a { color: var(--weekly); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--monthly);
  outline-offset: 2px;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* header */
.top { border-bottom: 1px solid var(--rule); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font: 600 20px/1 var(--display); color: var(--ink); text-decoration: none; }
.logo svg { width: 26px; height: 26px; }
.top nav { display: flex; gap: 24px; font-size: 15px; }
.top nav a { color: var(--ink); text-decoration: none; }
.top nav a:hover { text-decoration: underline; }
.top nav .portal { border: 1px solid var(--ink); border-radius: 6px; padding: 6px 14px; }

/* hero */
.hero { padding-top: 72px; padding-bottom: 40px; }
.eyebrow { font: 13px/1.4 var(--mono); letter-spacing: .04em; color: var(--muted); text-transform: uppercase; margin: 0 0 18px; }
.hero h1 { font: 600 clamp(34px, 5.4vw, 60px)/1.08 var(--display); letter-spacing: -.01em; margin: 0 0 22px; max-width: 16ch; }
.hero .lead { font-size: 19px; color: var(--muted); max-width: 56ch; margin: 0 0 32px; }
.btn { display: inline-block; background: var(--ink); color: #fff; border: 0; border-radius: 6px; padding: 12px 22px; font: 600 16px/1.2 var(--body); text-decoration: none; cursor: pointer; }
.btn:hover { background: #22325a; }

/* signature: retention ladder */
.ladder { margin: 48px 0 0; background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 24px; }
.ladder-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font: 13px/1.4 var(--mono); color: var(--muted); margin-bottom: 18px; }
.ladder-head strong { color: var(--ink); font-weight: 600; }
.rows { display: grid; gap: 14px; }
.row { display: grid; grid-template-columns: 110px 1fr; align-items: center; gap: 14px; }
.row-label { font: 13px/1.3 var(--mono); color: var(--muted); }
.cells { display: flex; flex-wrap: wrap; gap: 4px; }
.cells i { width: 14px; height: 22px; border-radius: 2px; background: var(--c); opacity: .9; transform-origin: bottom; animation: rise .5s ease-out both; animation-delay: calc(var(--n) * 18ms); }
.cells i:last-child { box-shadow: 0 0 0 2px var(--paper), 0 0 0 4px var(--c); }
.r-daily { --c: var(--daily); }
.r-weekly { --c: var(--weekly); }
.r-monthly { --c: var(--monthly); }
.r-weekly .cells i { width: 30px; }
.r-monthly .cells i { width: 46px; }
@keyframes rise { from { transform: scaleY(0); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cells i { animation: none; } }

/* sections */
section.block { padding: 64px 0; border-top: 1px solid var(--rule); }
section.block h2 { font: 600 clamp(26px, 3.4vw, 36px)/1.15 var(--display); margin: 0 0 28px; max-width: 24ch; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.item { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 22px; }
.item h3 { font: 600 18px/1.3 var(--body); margin: 0 0 8px; }
.item p { margin: 0; color: var(--muted); font-size: 15.5px; }

ol.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; gap: 0; }
ol.steps li { counter-increment: s; display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px dashed var(--rule); }
ol.steps li::before { content: counter(s); font: 600 28px/1 var(--display); color: var(--weekly); }
ol.steps h3 { margin: 0 0 4px; font-size: 18px; }
ol.steps p { margin: 0; color: var(--muted); }

.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.plan { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 26px; display: flex; flex-direction: column; }
.plan h3 { margin: 0 0 4px; font: 600 20px/1.2 var(--display); }
.plan .price { font: 600 30px/1.2 var(--display); margin: 10px 0 2px; }
.plan .price small { font: 14px var(--body); color: var(--muted); }
.plan ul { padding-left: 18px; margin: 14px 0 0; color: var(--muted); font-size: 15.5px; }
.plan.main { border-color: var(--ink); box-shadow: 0 1px 0 var(--ink); }

.contacts { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; font-size: 16px; }
.contacts dt { font: 13px/1.4 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.contacts dd { margin: 4px 0 0; }

footer { border-top: 1px solid var(--rule); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

/* login + error pages */
.narrow { min-height: calc(100vh - 65px); display: grid; place-items: center; padding: 40px 20px; }
.panel { width: 100%; max-width: 400px; background: var(--card); border: 1px solid var(--rule); border-radius: 12px; padding: 32px; }
.panel h1 { font: 600 28px/1.2 var(--display); margin: 0 0 6px; }
.panel p { color: var(--muted); margin: 0 0 22px; font-size: 15.5px; }
.panel label { display: block; font-size: 14px; font-weight: 600; margin: 14px 0 6px; }
.panel input { width: 100%; padding: 11px 12px; border: 1px solid var(--rule); border-radius: 6px; font: 16px var(--body); background: #fff; color: var(--ink); }
.panel .btn { width: 100%; margin-top: 22px; }
.panel .err { display: none; margin: 16px 0 0; padding: 10px 12px; border-radius: 6px; background: #fbeee0; color: #7a4a05; font-size: 14.5px; }
.panel .err.on { display: block; }
.panel .help { margin: 18px 0 0; font-size: 14px; }
.code { font: 600 72px/1 var(--display); color: var(--rule); margin: 0 0 10px; }

@media (max-width: 640px) {
  .top nav a:not(.portal) { display: none; }
  .hero { padding-top: 48px; }
  .row { grid-template-columns: 1fr; gap: 6px; }
  .ladder { padding: 18px 16px; }
  .cells i { width: 8px; height: 18px; }
  .r-weekly .cells i { width: 18px; }
  .r-monthly .cells i { width: 18px; }
}