/* tldr.to — mobile first. Most traffic is a phone camera two seconds after a scan. */

:root {
  --accent: #2F5D50;
  --accent-ink: #FFFFFF;
  --wash: #F5F3EE;
  --ink: #16171A;
  --ink-soft: #55585F;
  --ink-faint: #85888F;
  --rule: #E2DFD8;
  --card: #FFFFFF;
  --radius: 14px;
  --serif: ui-serif, Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--wash);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- brand bar ---------- */

.brandbar {
  background: var(--accent);
  color: var(--accent-ink);
  padding: 22px 0 20px;
  padding-top: max(22px, env(safe-area-inset-top));
}
.wordmark {
  display: inline-block;
  font: 600 19px/1.2 var(--sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: inherit;
  text-decoration: none;
}
.tagline {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.45;
  opacity: 0.82;
  max-width: 34em;
}

/* ---------- identity block ---------- */

main { padding-bottom: 40px; }

.back { margin: 20px 0 0; font-size: 14px; }
.back a { color: var(--ink-soft); text-decoration: none; }
.back a:hover { color: var(--accent); }

.ident { padding: 30px 0 4px; }

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

h1 {
  margin: 0;
  font: 400 clamp(30px, 8vw, 42px)/1.12 var(--serif);
  letter-spacing: -0.015em;
}

.variant {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
}

.blurb {
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.62;
  color: var(--ink-soft);
  max-width: 40em;
}

.badserial {
  margin: 16px 0 0;
  font: 600 22px/1.2 var(--mono);
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}

/* ---------- chips ---------- */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}
.chip {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 8px 12px;
}
.chip span {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.chip strong {
  font: 600 14px/1.3 var(--mono);
  letter-spacing: 0.04em;
}

/* ---------- warranty status ---------- */

.status {
  margin: 26px 0 0;
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--ink-faint);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.status.ok { border-left-color: var(--accent); }
.status-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.status-value {
  margin: 5px 0 0;
  font: 600 20px/1.3 var(--sans);
}
.status.ok .status-value { color: var(--accent); }
.status-note {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- actions ---------- */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}
.btn {
  flex: 1 1 auto;
  min-width: 150px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  border-radius: 11px;
  border: 1px solid var(--rule);
  background: var(--card);
  color: var(--ink);
  font: 600 16px/1 var(--sans);
  text-decoration: none;
  transition: transform 0.06s ease, box-shadow 0.15s ease;
}
.btn:hover { box-shadow: 0 2px 10px rgba(0,0,0,0.07); }
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* ---------- sections ---------- */

section.care, section.made, section.tag, section.demos {
  margin: 40px 0 0;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}

h2 {
  margin: 0 0 4px;
  font: 400 24px/1.25 var(--serif);
  letter-spacing: -0.01em;
}
.section-intro {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  max-width: 40em;
}
.sub {
  margin: 28px 0 10px;
  font: 600 12px/1 var(--sans);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- care steps ---------- */

.steps { list-style: none; margin: 22px 0 0; padding: 0; }
.steps li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}
.steps li:last-child { border-bottom: 0; padding-bottom: 0; }
.num {
  flex: 0 0 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: grid;
  place-items: center;
  font: 600 13px/1 var(--sans);
  margin-top: 2px;
}
.steps h3 {
  margin: 0;
  font: 600 16px/1.4 var(--sans);
}
.steps p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- facts ---------- */

.facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 20px 0 0;
}
.facts > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}
.facts dt {
  color: var(--ink-faint);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex: 0 0 auto;
}
.facts dd {
  margin: 0;
  text-align: right;
  font-weight: 500;
  font-size: 15px;
}

.materials {
  margin: 0;
  padding: 0;
  list-style: none;
}
.materials li {
  padding: 9px 0 9px 20px;
  position: relative;
  color: var(--ink-soft);
  font-size: 15px;
  border-bottom: 1px solid var(--rule);
}
.materials li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 18px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.materials li:last-child { border-bottom: 0; }

/* ---------- tag / QR ---------- */

.tag-inner {
  display: flex;
  gap: 18px;
  align-items: center;
  margin: 20px 0 0;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 18px;
}
.qr {
  flex: 0 0 auto;
  width: 110px;
  height: 110px;
  display: block;
  border-radius: 6px;
}
.tag-url {
  margin: 0 0 6px;
  font: 600 15px/1.3 var(--mono);
  word-break: break-all;
}

/* ---------- lookup form ---------- */

.lookup { margin: 26px 0 0; }
.lookup label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}
.lookup-row { display: flex; gap: 10px; flex-wrap: wrap; }
.lookup input {
  flex: 1 1 200px;
  min-height: 52px;
  padding: 12px 16px;
  border: 1px solid var(--rule);
  border-radius: 11px;
  background: var(--card);
  color: var(--ink);
  font: 600 18px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.lookup input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.lookup button {
  min-height: 52px;
  padding: 12px 26px;
  border: 0;
  border-radius: 11px;
  background: var(--accent);
  color: var(--accent-ink);
  font: 600 16px/1 var(--sans);
  cursor: pointer;
}

/* ---------- demo list ---------- */

.demo-list { list-style: none; margin: 20px 0 0; padding: 0; }
.demo-list li { margin-bottom: 10px; }
.demo-list a {
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--accent);
  border-radius: 11px;
  text-decoration: none;
  color: var(--ink);
}
.demo-list a:hover { box-shadow: 0 2px 10px rgba(0,0,0,0.06); }
.demo-brand {
  font-size: 11px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.demo-product { font-weight: 500; }
.demo-serial {
  font: 600 13px/1.4 var(--mono);
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}

/* ---------- footer ---------- */

.foot {
  margin-top: 48px;
  border-top: 1px solid var(--rule);
  padding: 26px 0 34px;
  padding-bottom: max(34px, env(safe-area-inset-bottom));
}
.serial-foot {
  margin: 0 0 8px;
  font: 13px/1.5 var(--mono);
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.fine {
  margin: 0 0 6px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-faint);
  max-width: 44em;
}
.fine a { color: var(--ink-soft); }

/* ---------- wider screens ---------- */

@media (min-width: 560px) {
  .facts { grid-template-columns: 1fr 1fr; column-gap: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}