/* Burble's own pages. Its own brand, deliberately separate from alliefern.com:
   one blue, black, white and a very light gray. System fonts. */
:root {
  --blue: #0132F1;
  --ink: #000000;
  --card: #FFFFFF;
  --paper: #F5F6F7;
  --mute: rgba(0, 0, 0, 0.62);
  --line: rgba(0, 0, 0, 0.14);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--blue); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }
.top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }

h1 { margin: 0; font-size: clamp(36px, 7vw, 60px); line-height: 1.05; letter-spacing: -0.03em; }
h2 { margin: 0 0 12px; font-size: 26px; line-height: 1.2; letter-spacing: -0.015em; }
h3 { margin: 0 0 6px; font-size: 18px; }
p { margin: 0 0 14px; }
.lede { font-size: 20px; color: var(--mute); max-width: 34em; }
.hero { padding: 48px 0 56px; display: grid; gap: 22px; }
section { padding: 40px 0; border-top: 1px solid var(--line); }

.btn { display: inline-block; padding: 14px 22px; border: 0; border-radius: 12px; background: var(--blue); color: #fff; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--ink); }
.btn-quiet { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
.btn-quiet:hover { background: var(--card); border-color: var(--blue); color: var(--blue); }
.note { font-size: 14px; color: var(--mute); }
.notice { padding: 12px 16px; border: 1px solid var(--blue); border-radius: 12px; background: var(--card); }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.card p:last-child { margin-bottom: 0; }
.price { font-size: 44px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.price small { font-size: 17px; font-weight: 500; color: var(--mute); letter-spacing: 0; }
ul.plain { margin: 0 0 16px; padding-left: 20px; }
ul.plain li { margin-bottom: 6px; }
ol.steps { margin: 0; padding-left: 22px; }
ol.steps li { margin-bottom: 8px; }
footer { padding: 28px 0 48px; border-top: 1px solid var(--line); font-size: 14px; color: var(--mute); }
.prose { max-width: 40em; }
.prose h2 { margin-top: 32px; font-size: 21px; }

/* Stats */
.stats-wrap { max-width: 1080px; }
.tiles { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.tile { padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.tile .k { font-size: 13px; color: var(--mute); }
.tile .v { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.tile .s { font-size: 13px; color: var(--mute); }
.bars { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; align-items: end; gap: 3px; height: 140px; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.bars div { background: var(--blue); border-radius: 3px 3px 0 0; min-height: 2px; }
.bars div.zero { background: var(--line); }
.axis { display: flex; justify-content: space-between; font-size: 12px; color: var(--mute); margin-top: 6px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
table { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
th, td { padding: 10px 12px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--line); }
th:first-child, td:first-child { text-align: left; }
th { font-size: 12px; font-weight: 600; color: var(--mute); }
tr:last-child td { border-bottom: 0; }
td.over { font-weight: 800; }
.login { max-width: 360px; margin: 80px auto; display: grid; gap: 12px; }
input[type="password"] { width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 10px; font: inherit; background: var(--card); }