/* The marketing site: the app's tokens with more room and a serif.
 * Rules are in pagedepth-docs/docs/design-system/README.md ("Marketing site"). */

@font-face { font-family: "IBM Plex Sans"; src: url(/fonts/IBMPlexSans-Regular.ttf) format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url(/fonts/IBMPlexSans-SemiBold.ttf) format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "IBM Plex Serif"; src: url(/fonts/IBMPlexSerif-SemiBold.ttf) format("truetype"); font-weight: 600; font-display: swap; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--pd-paper);
  color: var(--pd-ink);
  font: 400 var(--pd-text-md)/var(--pd-leading) var(--pd-font);
}
img { display: block; max-width: 100%; }
a { color: var(--pd-accent); }
:focus-visible { outline: 2px solid var(--pd-focus); outline-offset: 2px; }

.wrap { max-width: var(--pd-wide); margin: 0 auto; padding: 0 var(--pd-space-4); }
@media (min-width: 600px) { .wrap { padding: 0 var(--pd-space-5); } }

/* Header */
.top { border-bottom: 1px solid var(--pd-rule); }
.top__in { display: flex; align-items: center; justify-content: space-between; min-height: 72px; }
.brand { display: block; }
.brand--dark { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand--light { display: none; }
  :root:not([data-theme="light"]) .brand--dark { display: block; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 var(--pd-space-5);
  border-radius: var(--pd-radius); border: 1px solid transparent;
  font: 600 var(--pd-text-md)/1 var(--pd-font); text-decoration: none; cursor: pointer;
  transition: background var(--pd-fast) var(--pd-ease), color var(--pd-fast) var(--pd-ease);
}
.btn--primary { background: var(--pd-accent); color: var(--pd-on-accent); }
.btn--primary:hover { background: var(--pd-accent-hover); }
.btn--primary[disabled] { opacity: 0.6; cursor: progress; }
.btn--quiet { color: var(--pd-accent); padding: 0 var(--pd-space-3); }
.btn--quiet:hover { background: var(--pd-accent-tint); }
.btn--onaccent { background: var(--pd-on-accent); color: var(--pd-accent); }

/* Hero */
.hero { padding-top: var(--pd-space-8); padding-bottom: var(--pd-space-9); }
.overline {
  margin: 0 0 var(--pd-space-4);
  font-size: var(--pd-text-xs); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--pd-muted);
}
h1, h2 { font-family: var(--pd-font-display); font-weight: 600; line-height: var(--pd-leading-tight); margin: 0; }
h1 { font-size: 2.5rem; max-width: 14ch; }
@media (min-width: 600px) { h1 { font-size: var(--pd-text-4xl); } }
h2 { font-size: 2rem; }
@media (min-width: 600px) { h2 { font-size: var(--pd-text-3xl); } }
h3 { font-size: var(--pd-text-xl); font-weight: 600; line-height: var(--pd-leading-tight); margin: 0 0 var(--pd-space-2); }
.lead { font-size: var(--pd-text-lg); color: var(--pd-ink-2); max-width: var(--pd-prose); margin: var(--pd-space-5) 0 var(--pd-space-6); }

/* Waitlist form */
.join { max-width: 760px; }
.join__fields { display: flex; flex-wrap: wrap; gap: var(--pd-space-3); align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: var(--pd-space-1); flex: 1 1 14rem; min-width: 0; }
.field__label { font-size: var(--pd-text-sm); font-weight: 600; }
.field__opt { font-weight: 400; color: var(--pd-muted); }
.field input {
  height: 44px; padding: 0 var(--pd-space-3);
  border: 1px solid var(--pd-rule-strong); border-radius: var(--pd-radius-sm);
  background: var(--pd-surface); color: var(--pd-ink); font: inherit;
}
.field input::placeholder { color: var(--pd-muted); }
.field input[aria-invalid="true"] { border-color: var(--pd-negative); }
.join .btn--primary { flex: 0 0 auto; }
@media (max-width: 599px) { .join .btn--primary { flex: 1 1 100%; } }
.join__note { margin: var(--pd-space-3) 0 0; font-size: var(--pd-text-sm); color: var(--pd-muted); }
.join__note[data-state="done"] { color: var(--pd-positive); }
.join__note[data-state="error"] { color: var(--pd-negative); }
.trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* How it works */
.steps { padding-bottom: var(--pd-space-9); }
.steps__list { list-style: none; padding: 0; margin: var(--pd-space-6) 0 0; display: grid; gap: var(--pd-space-5); grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .steps__list { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.steps__list li { border-top: 1px solid var(--pd-rule-strong); padding-top: var(--pd-space-4); }
.steps__list p { margin: 0; color: var(--pd-ink-2); }
.steps__n { display: block; font-family: var(--pd-font-mono); font-size: var(--pd-text-sm); color: var(--pd-muted); margin-bottom: var(--pd-space-2); }

/* Why */
.why { padding-bottom: var(--pd-space-9); }
.why p { max-width: var(--pd-prose); font-size: var(--pd-text-lg); color: var(--pd-ink-2); margin: var(--pd-space-4) 0 0; }

/* CTA band: the one place the accent runs full width */
.band { background: var(--pd-accent); color: var(--pd-on-accent); }
.band__in { display: flex; flex-wrap: wrap; gap: var(--pd-space-5); align-items: center; justify-content: space-between; padding-top: var(--pd-space-8); padding-bottom: var(--pd-space-8); }
.band h2 { font-size: 2rem; }

/* Footer */
.foot { padding-top: var(--pd-space-6); padding-bottom: var(--pd-space-7); font-size: var(--pd-text-sm); color: var(--pd-muted); }
.foot p { max-width: var(--pd-prose); margin: 0 0 var(--pd-space-2); }

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