/* Hallmark · macrostructure: Marquee Hero · genre: modern-minimal
 * theme: studied-DNA (source: usehallmark.com/examples/tally/)
 * enrichment: Tier A pure-CSS app shelf card
 * Home-only sections. Requires studio-tokens.css + shell.css.
 * Gate notes and the pre-emit critique live in studio-tokens.css.
 */

/* ───────── hero · Marquee Hero ───────── */
.hero {
  padding-top: 132px;
  padding-bottom: 0;
  position: relative;
  overflow: clip;
}

/* Engineered graph paper, masked to a soft ellipse. Decorative only. */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in oklch, var(--color-ink-0) 6%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklch, var(--color-ink-0) 6%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 32%, black 30%, transparent 70%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 32%, black 30%, transparent 70%);
  pointer-events: none;
}

.hero > .container { position: relative; }

.hero__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 16px 4px 12px;
  border: var(--rule-soft);
  background: var(--color-paper-0);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-1);
}

.hero__status .dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-companion);
  animation: pulse 2400ms var(--ease-in-out) infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in oklch, var(--color-companion) 55%, transparent); }
  70%  { box-shadow: 0 0 0 9px color-mix(in oklch, var(--color-companion) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--color-companion) 0%, transparent); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__status .dot { animation: none; }
}

.hero__layout {
  margin-top: var(--space-xl);
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  gap: var(--space-3xl);
  align-items: start;
}

.hero__h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--color-ink-0);
  /* long words break inside rather than pushing the page wider */
  overflow-wrap: anywhere;
  min-width: 0;
}

.hero__sub {
  margin: var(--space-lg) 0 0;
  max-width: 46ch;
  font-size: var(--text-md);
  line-height: 1.6;
  color: var(--color-ink-1);
}

.hero__ctas {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}

.btn--primary { background: var(--color-ink-0); color: var(--color-paper-0); border-color: var(--color-ink-0); }
.btn--primary:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-fg); }
.btn--primary:active { background: var(--color-focus); border-color: var(--color-focus); }

.btn--ghost { background: transparent; color: var(--color-ink-0); border-color: color-mix(in oklch, var(--color-ink-0) 20%, transparent); }
.btn--ghost:hover { background: var(--color-paper-1); border-color: var(--color-ink-0); }
.btn--ghost:active { background: var(--color-paper-2); }

.hero__fineprint {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-2);
}

.hero__fineprint span { display: inline-flex; align-items: center; gap: var(--space-md); }
.hero__fineprint span + span::before { content: "·"; color: var(--color-ink-3); }


/* ───────── shelf card · Tier A CSS art ───────── */
.shelf {
  background: var(--color-paper-0);
  border: var(--rule-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  position: relative;
}

.shelf::before {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1px dashed color-mix(in oklch, var(--color-ink-0) 10%, transparent);
  border-radius: calc(var(--radius-lg) + 8px);
  pointer-events: none;
}

.shelf__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: var(--rule-hair);
}

.shelf__ticks { display: inline-flex; gap: 4px; }
.shelf__ticks i {
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--color-ink-3);
}
.shelf__ticks i.is-live { background: var(--color-companion); }

.shelf__rows {
  display: flex;
  flex-direction: column;
  padding: var(--space-xs) 0 var(--space-sm);
}

.shelf__row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: var(--rule-hair);
}

.shelf__row:last-child { border-bottom: none; }

.shelf__row img { width: 36px; height: 36px; border-radius: 9px; }

.shelf__name {
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-ink-0);
  letter-spacing: -0.01em;
}

.shelf__state {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-2);
}

.shelf__pip {
  width: 8px; height: 8px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-ink-3);
}
.shelf__pip.is-live { background: var(--color-companion); border-color: var(--color-companion); }

.shelf__foot {
  padding-top: var(--space-sm);
  border-top: var(--rule-hair);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-2);
}


/* ───────── marquee strip ───────── */
.marquee {
  margin-top: var(--space-3xl);
  border-top: var(--rule-hair);
  border-bottom: var(--rule-hair);
  padding: var(--space-md) 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.marquee__track {
  display: flex;
  gap: var(--space-3xl);
  width: max-content;
  animation: marquee 44s linear infinite;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-2);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.marquee__track span { display: inline-flex; align-items: center; gap: var(--space-3xl); }
.marquee__track span::after { content: "✦"; color: var(--color-accent); }

@keyframes marquee { to { transform: translateX(-50%); } }

/* WCAG 2.2.2 — auto-starting motion longer than 5s needs a way to stop it. */
.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track { animation-play-state: paused; }

@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}


/* ───────── products ───────── */
.products { padding: var(--space-3xl) 0 var(--space-2xl); }

/* 12 columns, deliberately uneven: the two shipped apps carry the weight,
   the unreleased one takes a quiet full-width rail. No repeat(3, 1fr). */
.products__grid {
  margin-top: var(--space-2xl);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-md);
}

.product {
  grid-column: span 6;
  display: block;
  background: var(--color-paper-1);
  border: var(--rule-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--dur-mid) var(--ease-out), background var(--dur-mid) var(--ease-out);
}

.product:hover {
  border-color: color-mix(in oklch, var(--color-accent) 45%, transparent);
  background: var(--color-paper-2);
}

.product:active { background: var(--color-paper-3); }

/* Icon sits on the same line as the name — the icon-tile-above-title card is
   the single most recognisable generated-UI fingerprint. */
.product__head {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.product__head img { width: 44px; height: 44px; border-radius: 11px; }

.product__name {
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ink-0);
}

.product__desc {
  margin: var(--space-md) 0 var(--space-lg);
  max-width: 45ch;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-1);
}

.product__state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-2);
}

.product__state::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: var(--radius-pill);
  border: 1.5px solid currentColor;
}

.product__state.is-live { color: var(--color-accent); }
.product__state.is-live::before { background: currentColor; }

/* the unreleased rail */
.product--rail {
  grid-column: span 12;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  background: transparent;
  border: 1px dashed color-mix(in oklch, var(--color-ink-0) 16%, transparent);
  padding: var(--space-lg) var(--space-xl);
}

.product--rail:hover { background: transparent; border-color: color-mix(in oklch, var(--color-ink-0) 16%, transparent); }
.product--rail img { width: 36px; height: 36px; border-radius: 9px; }
.product--rail .product__name { font-size: var(--text-md); }
.product--rail .product__desc { margin: 0; max-width: 45ch; }
.product--rail .product__state { margin-left: auto; }


/* ───────── about ───────── */
.about { padding: var(--space-2xl) 0 var(--space-3xl); }

.about__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: var(--space-3xl);
  align-items: start;
  margin-top: var(--space-lg);
}

.about__body {
  margin: 0;
  max-width: 58ch;
  font-size: var(--text-md);
  line-height: 1.7;
  color: var(--color-ink-1);
}

.about__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin: 0;
  padding-left: var(--space-lg);
  border-left: var(--rule-hair);
}

.about__meta div { min-width: 0; }

.about__meta dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-2);
}

.about__meta dd {
  margin: 4px 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-0);
}


/* ───────── contact ───────── */
.contact { padding: var(--space-3xl) 0 var(--space-4xl); }

.contact__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  position: relative;
  margin-top: var(--space-lg);
  font-family: var(--font-display);
  font-size: var(--text-contact);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-ink-0);
  border-bottom: 2px solid color-mix(in oklch, var(--color-ink-0) 25%, transparent);
  padding-bottom: 4px;
  /* one line at every width — a wrapped mailto is a broken-looking target */
  white-space: nowrap;
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.contact__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: var(--tap-min);
  transform: translateY(-50%);
}

.contact__link:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.contact__link:active { color: var(--color-focus); border-bottom-color: var(--color-focus); }


/* ───────── responsive · home ───────── */
@media (max-width: 980px) {
  .hero__layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-2xl); }
  .product { grid-column: span 12; }
}

@media (max-width: 760px) {
  .product--rail { flex-direction: column; align-items: flex-start; }
  .product--rail .product__state { margin-left: 0; }
  .about__layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .about__meta {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-lg);
    padding-left: 0;
    padding-top: var(--space-md);
    border-left: none;
    border-top: var(--rule-hair);
  }
}

@media (max-width: 640px) {
  .hero { padding-top: 112px; }
  .products { padding: var(--space-3xl) 0 var(--space-2xl); }
  .about { padding: var(--space-2xl) 0; }
  .contact { padding: var(--space-2xl) 0 var(--space-3xl); }
}