/* LemmaJet site – light, modern, dependency-free CSS (no Sass). */
:root {
  --ink: #0f172a;
  --ink-soft: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --brand: #1e293b;       /* logo slate */
  --accent: #f59e0b;      /* logo amber */
  --accent-ink: #b45309;
  --good: #059669;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink-soft);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: var(--accent-ink); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
h1, h2, h3 { color: var(--ink); line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 2.5rem 0 .75rem; }
h3 { font-size: 1.15rem; margin: 1.5rem 0 .5rem; }
code { font-family: var(--mono); font-size: .9em; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 6px; padding: .1em .35em; }
pre { background: var(--brand); color: #e2e8f0; padding: 1rem 1.25rem; border-radius: var(--radius); overflow-x: auto; }
pre code { background: none; border: 0; padding: 0; color: inherit; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }
.narrow { max-width: 760px; }

/* Header / footer */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.2rem; color: var(--ink); text-decoration: none; letter-spacing: -0.02em; }
.nav { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.nav a:not(.btn) { color: var(--ink-soft); text-decoration: none; font-size: .95rem; }
.nav a:not(.btn):hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] { font-weight: 600; }
.site-footer { margin-top: 5rem; border-top: 1px solid var(--line); background: var(--bg-soft); font-size: .9rem; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-top: 1.75rem; padding-bottom: 1.75rem; }
.footer-inner nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-inner a { color: var(--muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 1.25rem; border-radius: 10px; font: inherit; font-weight: 600; text-decoration: none; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; transition: transform .1s, box-shadow .15s, background .15s; }
.btn:hover { box-shadow: var(--shadow); color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: #0f172a; color: #fff; }
.btn-sm { padding: .4rem .9rem; font-size: .9rem; }

/* Hero */
.hero { padding: 4rem 0 1.5rem; text-align: center; background: radial-gradient(60rem 24rem at 50% -8rem, rgba(245,158,11,.14), transparent 70%); }
.hero .eyebrow { display: inline-block; font-size: .85rem; font-weight: 600; color: var(--accent-ink); background: #fffbeb; border: 1px solid #fde68a; padding: .25rem .8rem; border-radius: 999px; margin-bottom: 1.25rem; }
.hero .lead { font-size: 1.2rem; color: var(--muted); max-width: 40rem; margin: 0 auto 2rem; }
.hero .actions { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }

/* Stats & cards */
.claims { list-style: none; margin: 1rem 0 1rem; padding: 0; text-align: left; }
.claims li { position: relative; padding: .85rem 0 .85rem 2.2rem; border-bottom: 1px solid var(--line); }
.claims li:last-child { border-bottom: 0; }
.claims li::before { content: "\26A1"; position: absolute; left: 0; top: .8rem; font-size: 1.15rem; line-height: 1.5; }
.claims strong { color: var(--ink); }
.actions-left { display: flex; gap: .75rem; flex-wrap: wrap; margin: 1.5rem 0 2rem; }
.h-fast { color: var(--accent); }
.h-sharp { color: var(--brand); }
.rows { margin: 1rem 0; border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 220px 1fr; gap: .5rem 2rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.row h3 { margin: 0; }
.row p { margin: 0; }
@media (max-width: 640px) { .row { grid-template-columns: 1fr; } }
.note { font-size: .88rem; color: var(--muted); }
.callout { border-left: 4px solid var(--accent); background: #fffbeb; padding: .9rem 1.2rem; border-radius: 0 var(--radius) var(--radius) 0; margin: 1.5rem 0; }
.callout p { margin: 0; }

/* Content pages */
.page { padding: 3rem 0 0; }
.page h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.page .lead { font-size: 1.15rem; color: var(--muted); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); margin: 1rem 0; }
table { width: 100%; border-collapse: collapse; font-size: .93rem; }
th, td { padding: .65rem .9rem; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: var(--bg-soft); color: var(--ink); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.win { color: var(--good); font-weight: 600; }
.tag { display: inline-block; font-size: .78rem; font-weight: 600; padding: .1rem .55rem; border-radius: 999px; background: #ecfdf5; color: var(--good); border: 1px solid #a7f3d0; }
.tag.soon { background: var(--bg-soft); color: var(--muted); border-color: var(--line); }

/* Demo */
.demo-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem; margin: 1.25rem 0; }
.controls { display: flex; flex-wrap: wrap; gap: 1rem 1.25rem; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: .3rem; }
.field label { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
select, textarea { font: inherit; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: .55rem .75rem; }
select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea { width: 100%; min-height: 120px; resize: vertical; font-family: var(--mono); font-size: .92rem; }
.demo-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: .6rem; flex-wrap: wrap; }
.demo-head strong { color: var(--ink); }
.demo-tools { display: flex; align-items: center; gap: 1rem; font-size: .88rem; color: var(--muted); }
.demo-tools label { display: inline-flex; gap: .4rem; align-items: center; cursor: pointer; }
.demo-meta { margin-top: .5rem; font-size: .82rem; color: var(--muted); font-family: var(--mono); }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 760px) { .compare { grid-template-columns: 1fr; } }
.out { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.out header { padding: .75rem 1rem; border-bottom: 1px solid var(--line); background: var(--bg-soft); border-top: 3px solid var(--accent); }
.out.lj header { border-top-color: var(--brand); }
.out header b { display: block; color: var(--ink); }
.out header span { font-size: .82rem; color: var(--muted); }
.out .result { padding: 1rem; min-height: 140px; font-family: var(--mono); font-size: .92rem; line-height: 1.7; white-space: pre-wrap; word-break: break-word; color: var(--ink); }
.result mark { background: #fef3c7; color: var(--ink); border-radius: 4px; padding: 0 .15em; }
.status { font-size: .85rem; color: var(--accent-ink); }

.intro { margin: 1.5rem 0 1rem; font-size: 1.12rem; color: var(--ink-soft); }
.intro p { margin: 0 0 1rem; }
.intro strong { color: var(--ink); }