/* The product site wears the app's own clothes: every colour, size and radius
   below is a token from tokens.css, which build.mjs generates from the web
   app's globals.css. The few values that are not tokens are display sizes the
   app never needed (it has no page-level headline). */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--color-bg-canvas);
  color: var(--color-text-primary);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; font-weight: var(--font-weight-semibold); }
p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

.skip {
  position: absolute;
  left: var(--space-4);
  top: -4rem;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-brand);
  color: var(--color-text-on-brand);
  border-radius: var(--radius-full);
}
.skip:focus { top: var(--space-3); }

.wrap {
  width: min(1080px, calc(100% - 2 * var(--space-4)));
  margin: 0 auto;
}

/* --- buttons: the app's .btn and .btn-ghost ------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  gap: var(--space-1-5);
  padding: var(--space-2-25) var(--space-5);
  border: var(--border-width-1) solid transparent;
  border-radius: var(--radius-full);
  background: var(--color-brand);
  color: var(--color-text-on-brand);
  font: inherit;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: var(--color-brand-dark); }

.btn-ghost {
  background: transparent;
  border-color: var(--color-text-primary);
  color: var(--color-text-primary);
}
.btn-ghost:hover { background: var(--color-brand-soft-bg); }

.btn-light {
  background: var(--color-bg-canvas);
  color: var(--color-text-primary);
}
.btn-light:hover { background: var(--color-bg-chrome); }

/* --- nav: the app's floating pill ---------------------------------------- */

.nav {
  position: fixed;
  top: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  width: min(1080px, calc(100% - 2 * var(--space-4)));
  height: 56px;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-2) 0 var(--space-4);
  background: var(--color-bg-chrome);
  border: var(--border-width-1) solid var(--color-border-default);
  border-radius: var(--radius-full);
  box-shadow: 0 10px 28px -10px rgba(30, 26, 20, 0.38);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2-25);
  margin-right: auto;
  text-decoration: none;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
}

/* The mark: a bird whose head and neck are the p of Peck, eyeing the one red
   dot it is about to peck. Red stays reserved for defects, here as everywhere. */
.logo { flex: none; width: 2.125rem; height: 2.125rem; }
.logo-ink { fill: var(--color-text-primary); }
.logo-beak { stroke: var(--color-text-primary); stroke-width: 2; stroke-linejoin: round; }
.logo-paper { fill: var(--color-bg-canvas); }
.logo-defect { fill: var(--color-danger); }

.nav-links {
  display: flex;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-links a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}
.nav-links a:hover { background: var(--color-brand-soft-bg); }

.nav-signin {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}
.nav-signin:hover { text-decoration: underline; }
.nav .btn { min-height: 2.5rem; font-size: var(--font-size-base); padding-inline: var(--space-4); }

@media (max-width: 860px) {
  .nav-links { display: none; }
}
@media (max-width: 420px) {
  .nav-signin { display: none; }
}

/* --- hero ----------------------------------------------------------------- */

.hero {
  padding: calc(56px + var(--space-3) + 4.5rem) 0 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 27rem);
  gap: 4rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.375rem, 4.8vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: var(--font-weight-bold);
  text-wrap: balance;
}

.hero-lead {
  margin-top: var(--space-6);
  max-width: 33rem;
  font-size: var(--font-size-xl);
  line-height: 1.45;
  color: var(--color-text-muted);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

@media (max-width: 900px) {
  .hero { padding-top: calc(56px + var(--space-3) + 3rem); }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 3rem; }
}

/* --- the sheet: the hero's one moving part ------------------------------- */

.sheet {
  position: relative;
  margin: 0;
  background: var(--color-bg-surface);
  border: var(--border-width-1) solid var(--color-border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 1px 0 var(--color-border-default);
  padding: var(--space-5);
  font-size: var(--font-size-base);
  font-variant-numeric: tabular-nums;
}

.sheet-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-width-1) solid var(--color-border-default);
}
.sheet-title { font-weight: var(--font-weight-semibold); }
.sheet-lot { font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); letter-spacing: -0.01em; }
.sheet-lot small { font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); color: var(--color-text-muted); margin-right: var(--space-1); }

.sheet-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-4) 0;
}
.sheet-meta dt { font-size: var(--font-size-sm); color: var(--color-text-muted); }
.sheet-meta dd { margin: 0; font-weight: var(--font-weight-semibold); }

/* The sample photo, with the detector's boxes over it. */
.photo {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-brand-soft-bg);
}
.photo img { width: 100%; height: 100%; object-fit: cover; }
.boxes { position: absolute; inset: 0; width: 100%; height: 100%; }
/* Drawn the way the iPad's review screen draws a run (ReviewBoxPainter in
   mobile/lib/widgets/bbox_overlay.dart): a square box with a 10% fill, a
   2.5px line and a solid number tab on its top edge; green for sound, red for
   a defect. The green is the app's AppColors.sound, which has no web token. */
.boxes { --box-sound: #2f7d3b; }
.boxes .is-sound { --box: var(--box-sound); }
.boxes .is-defect { --box: var(--color-danger); }
.boxes .box {
  fill: var(--box);
  fill-opacity: 0.1;
  stroke: var(--box);
  stroke-width: 2.5;
  vector-effect: non-scaling-stroke;
}
.boxes .tab { fill: var(--box); }
.boxes text {
  fill: #fff;
  font-family: var(--font-family-sans);
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  text-anchor: middle;
}

.sheet-counts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
}
.sheet-counts > div { display: flex; flex-direction: column; justify-content: space-between; }
.sheet-counts dt { font-size: var(--font-size-sm); color: var(--color-text-muted); }
.sheet-counts dd { margin: 0; font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); }

.sheet-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-text-primary);
}
.sheet-result .grade { font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); }
.sheet-result .grade small { display: block; font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); color: var(--color-text-muted); }

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm-plus);
  font-weight: var(--font-weight-semibold);
}
.badge-ok { background: var(--color-text-primary); color: var(--color-text-on-brand); }

.sheet-note a { text-decoration: underline; text-underline-offset: 2px; }
.sheet-note {
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* One orchestrated moment on load: the detector's boxes are drawn one by
   one, then the counts and the grade appear. Nothing else moves by itself. */
@media (prefers-reduced-motion: no-preference) {
  .boxes g { animation: box-in 300ms ease-out both; animation-delay: calc(var(--i) * 45ms + 300ms); }
  .sheet .reveal { animation: fade 400ms ease-out 1700ms both; }
}
@keyframes box-in { from { opacity: 0; transform: scale(0.85); transform-box: fill-box; transform-origin: center; } }
@keyframes fade { from { opacity: 0; } }

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

.section { padding: 5.5rem 0; }
.section + .section { border-top: var(--border-width-1) solid var(--color-border-default); }

.section-head { max-width: 40rem; margin-bottom: 3rem; }
.section-head h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: var(--font-weight-bold);
}
.section-head p {
  margin-top: var(--space-4);
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 36rem;
}

/* The before/after: two columns of plain statements, not cards. */
.compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
}
.compare h3 { font-size: var(--font-size-lg); margin-bottom: var(--space-4); }
.compare ul { margin: 0; padding: 0; list-style: none; }
.compare li {
  padding: var(--space-3) 0;
  border-top: var(--border-width-1) solid var(--color-border-default);
}
.compare .before { color: var(--color-text-muted); }
.compare .before li { text-decoration: line-through; text-decoration-color: rgba(208, 33, 40, 0.55); text-decoration-thickness: 1.5px; }
@media (max-width: 720px) { .compare { grid-template-columns: minmax(0, 1fr); gap: 2rem; } }

/* Steps are a real sequence, so they are numbered. */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.steps li { counter-increment: step; padding-top: var(--space-4); border-top: 2px solid var(--color-text-primary); }
.steps li::before {
  content: counter(step);
  display: block;
  font-size: 2.5rem;
  line-height: 1;
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}
.steps h3 { font-size: var(--font-size-xl); margin-bottom: var(--space-2); }
.steps p { color: var(--color-text-muted); }
@media (max-width: 760px) { .steps { grid-template-columns: minmax(0, 1fr); } }

.features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8) 3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.features h3 { font-size: var(--font-size-lg); margin-bottom: var(--space-1-5); }
.features p { color: var(--color-text-muted); }
@media (max-width: 720px) { .features { grid-template-columns: minmax(0, 1fr); } }

/* The data section: the export row, shown as the thing it is. */
.data-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 3rem;
  align-items: start;
}
.data-list { margin: 0; padding: 0; list-style: none; }
.data-list li { padding: var(--space-3) 0; border-top: var(--border-width-1) solid var(--color-border-default); }
.data-list strong { display: block; }
.data-list span { color: var(--color-text-muted); }

.export {
  margin: 0;
  border: var(--border-width-1) solid var(--color-border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: var(--font-size-sm-plus);
  font-variant-numeric: tabular-nums;
}
.export figcaption {
  padding: var(--space-2-5) var(--space-4);
  background: var(--color-bg-chrome);
  font-weight: var(--font-weight-semibold);
}
/* The app's scrollbar (settings tab strip): thin, a rounded thumb in the
   border colour, no track. It darkens on hover so it reads as draggable. */
.export-scroll {
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-default) transparent;
}
.export-scroll:hover { scrollbar-color: var(--color-text-muted) transparent; }
.export-scroll::-webkit-scrollbar { height: 6px; }
.export-scroll::-webkit-scrollbar-track { background: transparent; }
.export-scroll::-webkit-scrollbar-thumb { background: var(--color-border-default); border-radius: var(--radius-full); }
.export-scroll:hover::-webkit-scrollbar-thumb { background: var(--color-text-muted); }
.export table { border-collapse: collapse; min-width: 100%; }
.export th, .export td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  white-space: nowrap;
  border-top: var(--border-width-1) solid var(--color-border-default);
}
.export th { color: var(--color-text-muted); font-weight: var(--font-weight-medium); }
.export .key { background: var(--color-brand-soft-bg); font-weight: var(--font-weight-semibold); }
@media (max-width: 860px) { .data-grid { grid-template-columns: minmax(0, 1fr); } }

/* Security: question and answer pairs. */
.qa { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-8) 3rem; }
.qa dt { font-weight: var(--font-weight-semibold); margin-bottom: var(--space-2); }
.qa dd { margin: 0; color: var(--color-text-muted); }
@media (max-width: 720px) { .qa { grid-template-columns: minmax(0, 1fr); } }

.faq { max-width: 46rem; }
.faq details { border-top: var(--border-width-1) solid var(--color-border-default); }
.faq details:last-child { border-bottom: var(--border-width-1) solid var(--color-border-default); }
.faq summary {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: var(--font-weight-medium); font-size: var(--font-size-xl); line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 0 var(--space-5); color: var(--color-text-muted); max-width: 40rem; }

/* --- closing band: the one ink surface on the page ----------------------- */

.cta {
  background: var(--color-text-primary);
  color: var(--color-text-on-brand);
  padding: 5rem 0;
}
.cta h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: var(--font-weight-bold);
  max-width: 20ch;
}
.cta p { margin-top: var(--space-4); color: var(--color-border-default); max-width: 34rem; }
.cta .hero-ctas { margin-top: var(--space-6); }
.cta .btn-ghost { border-color: var(--color-bg-canvas); color: var(--color-text-on-brand); }
.cta .btn-ghost:hover { background: rgba(247, 242, 227, 0.12); }

.footer {
  padding: var(--space-8) 0;
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
}
.footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); }
.footer a { text-decoration: underline; text-underline-offset: 2px; }
.footer nav { display: flex; flex-wrap: wrap; gap: var(--space-5); }

/* --- demo modal (same survey as muchored.com) ---------------------------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: var(--space-4);
  background: rgba(30, 26, 20, 0.55);
}
.modal[hidden] { display: none; }
.modal-card {
  position: relative;
  width: min(36rem, 100%);
  max-height: calc(100vh - 2 * var(--space-4));
  overflow-y: auto;
  background: var(--color-bg-canvas);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
}
.modal-card h2 { font-size: var(--font-size-3xl); letter-spacing: -0.01em; padding-right: var(--space-8); }
.modal-card > p { margin-top: var(--space-2); color: var(--color-text-muted); }
.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  border-radius: var(--radius-circle);
  background: transparent;
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  cursor: pointer;
}
.modal-close:hover { background: var(--color-brand-soft-bg); }
.modal iframe { width: 100%; min-height: 34rem; border: 0; margin-top: var(--space-4); }
.modal-alt { margin-top: var(--space-3); font-size: var(--font-size-base); color: var(--color-text-muted); }
.modal-alt a { text-decoration: underline; }

/* --- plain pages (404) ---------------------------------------------------- */

.plain { min-height: 70vh; padding: calc(56px + 8rem) 0 5rem; }
.plain h1 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.02em; }
.plain p { margin: var(--space-4) 0 var(--space-6); color: var(--color-text-muted); }

@media (max-width: 480px) {
  .section { padding: 4rem 0; }
  .sheet { padding: var(--space-4); }
  .sheet-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sheet-counts dd { font-size: var(--font-size-lg); }
}