/* TapDown teaser. Colors, mark palettes, motion, and font stacks come from
   assets/brand/tapdown-tokens.css (generated; do not edit that file).
   Type is the documented web pairing, self-hosted: Oswald for display and
   DM Sans for body (Latin variable subsets from Fontsource, OFL). */

@font-face {
  font-family: Oswald;
  font-style: normal;
  font-weight: 200 700;
  font-display: swap;
  src: url("/fonts/oswald-latin-wght-normal.woff2") format("woff2");
}

@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url("/fonts/dm-sans-latin-wght-normal.woff2") format("woff2");
}

:root {
  --font-display: var(--td-font-display);
  --font-body: var(--td-font-body);
  --gutter: max(16px, env(safe-area-inset-left), env(safe-area-inset-right));
  --glow: color-mix(in srgb, var(--td-anchor) 26%, transparent);
  --hairline: 1px;
}

@media (prefers-color-scheme: light) {
  :root { --glow: color-mix(in srgb, var(--td-anchor) 14%, transparent); }
}

@media (prefers-contrast: more) {
  :root { --hairline: 2px; }
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  /* stylelint-disable-next-line property-no-vendor-prefix -- iOS Safari */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--td-background);
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  overflow-x: hidden;
  color: var(--td-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;

  /* Vertical canvas gradient plus one soft glow in the anchor tone. */
  background:
    radial-gradient(ellipse 60% 42% at 50% 30%, var(--glow), transparent 70%),
    linear-gradient(to bottom, var(--td-raised), var(--td-background) 70%);
  background-color: var(--td-background);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(48px, 10vh, 120px) var(--gutter) 32px;
}

/* Mark ---------------------------------------------------------------- */

.mark {
  display: block;
  width: clamp(120px, 34vw, 184px);
  height: auto;

  /* Clear space: at least 10% of the mark's side. */
  margin: 0 0 clamp(12px, 3vw, 20px);
  overflow: visible;
}

.stop-container-top { stop-color: var(--td-mark-container-top); }
.stop-container-bottom { stop-color: var(--td-mark-container-bottom); }
.stop-arrow-top { stop-color: var(--td-mark-arrow-top); }
.stop-arrow-bottom { stop-color: var(--td-mark-arrow-bottom); }

/* Record light (brand-system.md, Motion): the arrow's inner peak breathes
   between 20% and 100% opacity over one 2600 ms cycle, ease-in-out per half. */
.record-light {
  animation: td-record-light var(--td-duration-record-light) var(--td-ease-record-light) infinite;
}

@keyframes td-record-light {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

/* Reduce Motion equivalent: inner peak steady at 75%. */
@media (prefers-reduced-motion: reduce) {
  .record-light {
    animation: none;
    opacity: 0.75;
  }
}

/* Type ---------------------------------------------------------------- */

.wordmark {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(3rem, 14vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.01em;
}

.tagline {
  margin: clamp(10px, 2vw, 16px) 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.125rem, 4.2vw, 1.5rem);
  line-height: 1.2;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.lede {
  max-width: 30rem;
  margin: clamp(20px, 4vw, 28px) 0 0;
  color: var(--td-text-secondary);
  font-size: clamp(1rem, 2.6vw, 1.125rem);
  text-wrap: balance;
}

/* Chamfered chip: the shape language for content, echoing the badge frame. */
.status {
  --chamfer: 9px;

  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: clamp(28px, 5vw, 40px) 0 0;
  padding: 8px 16px 8px 8px;
  background: var(--td-surface);
  color: var(--td-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.3;
  clip-path: polygon(
    var(--chamfer) 0, calc(100% - var(--chamfer)) 0, 100% var(--chamfer),
    100% calc(100% - var(--chamfer)), calc(100% - var(--chamfer)) 100%,
    var(--chamfer) 100%, 0 calc(100% - var(--chamfer)), 0 var(--chamfer)
  );
}

.status-icon {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 22.5%;
}

.footer {
  padding: 24px var(--gutter) max(24px, env(safe-area-inset-bottom));
  text-align: center;
  color: var(--td-text-secondary);
  font-size: 0.8125rem;
}

.footer p { margin: 0; }

.footer a,
.hero a {
  color: var(--td-text-primary);
  text-decoration-thickness: var(--hairline);
  text-underline-offset: 0.2em;
}

:focus-visible {
  outline: 2px solid var(--td-text-primary);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Windows High Contrast / forced colors: marks take one system color. */
@media (forced-colors: active) {
  .mark path { fill: CanvasText; }

  .status {
    forced-color-adjust: auto;
    border: 1px solid CanvasText;
    clip-path: none;
  }
}

/* 404 ---------------------------------------------------------------- */

.mark-small { width: clamp(88px, 24vw, 120px); }

.wordmark-small {
  font-size: clamp(2rem, 9vw, 3.25rem);
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.wordmark-small + .lede { margin-top: 16px; }
.lede + .lede { margin-top: 8px; }