/* ============================================================================
   Larko - marketing site
   Monospace-forward, border-driven, mosaic motif. Light + dark themes.
   ========================================================================== */

:root {
  --bg: #f3f4f8;
  --bg-2: #ffffff;
  --bg-3: #eceef4;
  --ink: #15171e;
  --muted: #5b616f;
  --line: #d9dce6;
  --line-strong: #c3c8d6;
  --accent: #4f46e5;
  --accent-ink: #ffffff;
  --accent-soft: #ecedfd;
  --spark: #e8820c; /* a single warm accent, used sparingly */
  --tile-on: #4f46e5;
  --shadow: 0 1px 0 var(--line);

  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 6px;
  --maxw: 1080px;
}

[data-theme="dark"] {
  --bg: #0c0d12;
  --bg-2: #14151d;
  --bg-3: #1a1c25;
  --ink: #e9eaf0;
  --muted: #969cad;
  --line: #262835;
  --line-strong: #343747;
  --accent: #8b8cf6;
  --accent-ink: #0c0d12;
  --accent-soft: #1b1c2c;
  --spark: #f2b350;
  --tile-on: #8b8cf6;
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s ease, color 0.2s ease;
}

.mono { font-family: var(--mono); }
.dim { color: var(--muted); }
.spark { color: var(--spark); }

a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 11px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn.big { padding: 14px 22px; font-size: 14px; }
.btn.full { width: 100%; justify-content: center; }

/* ── Nav ─────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 13px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand img { border-radius: 6px; display: block; }
.brand-name { font-family: var(--mono); font-weight: 700; font-size: 17px; letter-spacing: -0.01em; }
.brand-strap { font-family: var(--mono); font-size: 10.5px; color: var(--muted); border-left: 1px solid var(--line-strong); padding-left: 10px; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a.link { font-family: var(--mono); font-size: 12.5px; color: var(--muted); padding: 8px 10px; }
.nav-links a.link:hover { color: var(--ink); }
.theme-toggle {
  width: 36px; height: 36px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--bg-2);
  color: var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 15px;
  transition: border-color 0.15s ease;
}
.theme-toggle:hover { border-color: var(--accent); }

/* ── Section scaffold ────────────────────────────────────────────────────── */
section { padding: 84px 0; border-bottom: 1px solid var(--line); }
.label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
}
.label .num { color: var(--muted); }
h1, h2, h3 { letter-spacing: -0.02em; }
h2 { font-size: clamp(26px, 3.6vw, 38px); margin: 0 0 14px; font-weight: 700; }
.section-lede { color: var(--muted); max-width: 56ch; font-size: 16px; margin: 0 0 8px; }

/* ── Hero (asymmetric, mono headline, live mosaic) ───────────────────────── */
.hero { padding: 64px 0 72px; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.eyebrow { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin: 0 0 18px; }
.eyebrow b { color: var(--spark); font-weight: 600; }
.hero h1 {
  font-family: var(--mono);
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.06;
  font-weight: 700;
  margin: 0 0 20px;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.lede { font-size: 17.5px; color: var(--ink); opacity: 0.85; max-width: 46ch; margin: 0 0 26px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-note { font-family: var(--mono); font-size: 11.5px; color: var(--muted); margin-top: 18px; }

/* Mosaic: a tessellated grid of tiles, a few lit. */
.mosaic {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  aspect-ratio: 1 / 1;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    radial-gradient(120% 120% at 80% 10%, var(--accent-soft), transparent 60%),
    var(--bg-2);
}
.mosaic i {
  border-radius: 5px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  aspect-ratio: 1 / 1;
}
.mosaic i.on { background: var(--tile-on); border-color: transparent; }
.mosaic i.spark { background: var(--spark); border-color: transparent; }
.mosaic i.soft { background: var(--accent-soft); border-color: transparent; }

/* ── Mosaic divider strip between sections ───────────────────────────────── */
.tilestrip { height: 10px; display: flex; }
.tilestrip span { flex: 1; border-right: 1px solid var(--bg); }
.tilestrip span:nth-child(3n) { background: var(--accent); opacity: 0.18; }
.tilestrip span:nth-child(7n) { background: var(--spark); opacity: 0.22; }
.tilestrip span:not([class]) { background: var(--bg-3); }

/* ── Features: editorial numbered rows, not equal cards ──────────────────── */
.rows { display: grid; gap: 0; margin-top: 28px; border-top: 1px solid var(--line); }
.row {
  display: grid;
  grid-template-columns: 56px 1fr 1.3fr;
  gap: 24px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.row .rnum { font-family: var(--mono); color: var(--accent); font-size: 14px; padding-top: 3px; }
.row h3 { font-size: 19px; margin: 0; font-weight: 650; }
.row p { margin: 0; color: var(--muted); font-size: 15px; }

/* ── Sources grid (mono, bordered tiles) ─────────────────────────────────── */
.sources { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 26px 0 30px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.src { padding: 18px; border-right: 1px solid var(--line); }
.src:last-child { border-right: none; }
.src b { display: block; font-size: 15px; margin-bottom: 4px; }
.src span { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; counter-reset: s; max-width: 720px; }
.steps li { display: flex; gap: 14px; align-items: baseline; padding: 13px 0; border-bottom: 1px dashed var(--line); font-size: 15px; }
.steps li::before { counter-increment: s; content: "0" counter(s); font-family: var(--mono); color: var(--accent); font-size: 12px; }

/* ── App preview card ────────────────────────────────────────────────────── */
.preview { border: 1px solid var(--line-strong); border-radius: 10px; overflow: hidden; background: var(--bg-2); margin-top: 30px; }
.preview-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; border-bottom: 1px solid var(--line); background: var(--bg-3); }
.preview-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.preview-bar .t { margin-left: 8px; font-family: var(--mono); font-size: 11.5px; color: var(--muted); }
.prow { display: grid; grid-template-columns: 26px 1fr 92px 56px; gap: 8px; align-items: center; padding: 10px 16px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.prow:last-child { border-bottom: none; }
.prow.head { font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.prow .r { text-align: right; }
.prow .big { color: var(--accent); font-weight: 700; }
.prow.muted2 { opacity: 0.55; }
.tag { font-family: var(--mono); font-size: 10px; color: var(--spark); border: 1px solid var(--spark); border-radius: 4px; padding: 0 5px; }

/* ── Pricing: one sharp framed block ─────────────────────────────────────── */
.price-wrap { display: flex; justify-content: center; margin-top: 30px; }
.price {
  width: 100%;
  max-width: 460px;
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 30px;
  background: var(--bg-2);
  position: relative;
}
.price .ribbon { position: absolute; top: 0; right: 0; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; background: var(--accent); color: var(--accent-ink); padding: 5px 12px; border-bottom-left-radius: 10px; }
.price .amt { font-family: var(--mono); font-size: 52px; font-weight: 700; letter-spacing: -0.03em; }
.price .once { font-family: var(--mono); color: var(--muted); font-size: 14px; }
.price ul { list-style: none; padding: 18px 0 22px; margin: 0; display: grid; gap: 11px; border-top: 1px solid var(--line); margin-top: 20px; }
.price li { font-size: 14.5px; display: flex; gap: 10px; }
.price li::before { content: "▪"; color: var(--accent); }
.fineprint { text-align: center; color: var(--muted); font-size: 13px; max-width: 52ch; margin: 26px auto 0; }

/* ── FAQ ─────────────────────────────────────────────────────────────────── */
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 40px; margin-top: 26px; }
.qa h4 { margin: 0 0 6px; font-size: 16px; font-family: var(--mono); }
.qa p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
footer { border-bottom: none; padding: 40px 0 60px; }
.foot-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot-inner .mono { font-size: 12px; color: var(--muted); }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .mosaic { max-width: 360px; }
  .sources { grid-template-columns: 1fr 1fr; }
  .src:nth-child(2n) { border-right: none; }
  .src { border-bottom: 1px solid var(--line); }
  .faq { grid-template-columns: 1fr; }
  .row { grid-template-columns: 40px 1fr; }
  .row p { grid-column: 2; }
}
@media (max-width: 560px) {
  .nav-links a.link { display: none; }
  .sources { grid-template-columns: 1fr; }
}