/* Landing page.
 *
 * What an anonymous visitor to "/" sees on a deployment with accounts, before
 * the workbench: what the tool is, how a run goes, what a finished report
 * looks like, who pays, and the two buttons that lead in. It is a page, not
 * an overlay — the sign-in card (workbench.css, .gate) opens over it when a
 * button is pressed, exactly as it used to open over the empty workbench.
 *
 * The same tokens as the workbench, so both themes come for free; the brand
 * mark and the language select reuse the workbench rules, which are loaded
 * with this sheet. One column below 860px, where the composer also folds.
 */

.landing {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg-base);
}

/* ── Header ── */

.landing__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  max-width: var(--wide-width);
  height: var(--header-height);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.landing .brand { flex: 0 1 auto; }
.landing .brand__name { font-size: var(--text-md); }

.landing__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.landing__nav > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}
.landing__nav > a:hover { color: var(--accent); }
.landing__nav .btn { min-height: 44px; }

/* ── Body ── */

.landing__main {
  flex: 1;
  width: 100%;
  max-width: var(--wide-width);
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-16);
}

.landing__hero {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: var(--space-8);
  align-items: start;
  padding: var(--space-16) 0 var(--space-12);
}

.landing__eyebrow {
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}
.landing__pitch h1 {
  max-width: 14em;
  font-size: clamp(32px, 4.4vw, 54px);
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.landing__lede {
  max-width: 36em;
  margin-top: var(--space-5);
  font-size: var(--text-lg);
  color: var(--text-secondary);
}

.landing__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.landing__actions .btn {
  min-height: 44px;
  padding-inline: var(--space-5);
  font-size: var(--text-md);
}
.landing__sample-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-left: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-underline-offset: 3px;
}
.landing__sample-link:hover { color: var(--accent); text-decoration-color: currentColor; }

/* A sheet laid on the page, like a report card in the workbench. */
.landing__card {
  padding: var(--space-6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--bg-raised);
  box-shadow: var(--shadow-sm);
}
.landing__card h2 { font-size: var(--text-xl); }
.landing__card > p {
  margin-top: var(--space-2);
  font-size: var(--text-base);
  color: var(--text-secondary);
}

/* The scorecard crop across the top of the card, bleeding to its edges. It is
   a dark interface capture; on paper it reads as the screenshot it is. */
.landing__figure {
  margin: calc(-1 * var(--space-6)) calc(-1 * var(--space-6)) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  background: var(--bg-overlay);
}
.landing__figure img {
  display: block;
  width: 100%;
  height: auto;
}
.landing__figure figcaption {
  padding: var(--space-2) var(--space-6);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  line-height: var(--leading-normal);
}

/* Finished reports, listed from /api/samples so the titles are the real ones. */
.landing__sample-list {
  display: grid;
  gap: var(--space-1);
  margin-top: var(--space-4);
  list-style: none;
}
.landing__sample-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border-left: 2px solid var(--accent-border);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-primary);
  font-weight: 500;
  line-height: var(--leading-normal);
}
.landing__sample-list a:hover { background: var(--bg-hover); color: var(--accent); }
.landing__sample .btn { margin-top: var(--space-4); min-height: 44px; }

/* ── How a run goes: three numbered cards ── */

.landing__steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
  list-style: none;
  counter-reset: step;
}
.landing__steps li {
  counter-increment: step;
  padding: var(--space-6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--bg-raised);
  box-shadow: var(--shadow-sm);
}
.landing__steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-full);
  background: var(--accent-subtle);
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: var(--text-md);
  font-weight: 600;
}
.landing__steps h2 { font-size: var(--text-lg); }
.landing__steps p {
  margin-top: var(--space-2);
  font-size: var(--text-base);
  color: var(--text-secondary);
}

.landing__pay { margin-top: var(--space-4); }
.landing__pay > p { max-width: 60em; }
.landing__retention:empty { display: none; }
.landing__retention {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

/* ── Footer ── */

.landing__foot { border-top: 1px solid var(--border-subtle); }
/* The same box as .landing__main, so the links line up with the text above. */
.landing__foot-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 var(--space-5);
  max-width: var(--wide-width);
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) calc(var(--space-6) + env(safe-area-inset-bottom));
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}
.landing__foot a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-secondary);
}
.landing__foot a:hover { color: var(--accent); }
.landing__disclaimer {
  width: 100%;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* ── Phones ── One column, 16px gutters, nothing wider than the screen. */
@media (max-width: 860px) {
  .landing__head,
  .landing__main,
  .landing__foot-inner { padding-inline: var(--space-4); }
  /* The hero has its own link to the samples; the header keeps to sign-in and language. */
  .landing__nav > a { display: none; }
  /* The full name on two lines rather than cut off after "Academic Com…". */
  .landing .brand__name { white-space: normal; font-size: var(--text-sm); line-height: var(--leading-tight); }
  .landing__hero {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-6);
    padding: var(--space-10) 0 var(--space-8);
  }
  .landing__pitch h1 { max-width: none; }
  .landing__steps { grid-template-columns: minmax(0, 1fr); }
  .landing__sample-link { margin-left: 0; }
}