/* Fonts are self-hosted (SIL OFL, licences in /fonts/) so no third-party requests. */
@font-face {
  font-family: "Chakra Petch";
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/chakra-petch-500.woff2") format("woff2");
}
@font-face {
  font-family: "Chakra Petch";
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/chakra-petch-700.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/ibm-plex-mono-500.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/ibm-plex-mono-700.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-weight: 100 700;
  font-display: swap;
  src: url("/fonts/ibm-plex-sans-variable.woff2") format("woff2");
}

:root {
  --bg: #ffffff;
  --surface: #f6f7f6;
  --border: #d5d9d6;
  --field-border: #8c8f8d; /* 3:1 against the page and field: form controls must be identifiable */
  --text: #111418;
  --text-label: #3a4048;
  --text-muted: #5a6169;
  --accent: #1f7a2e;
  --accent-hover: #14541f;
  --accent-ring: #1f7a2e; /* solid: focus outlines need 3:1 against the page */
  --error: #a3361c;

  /* Dark readout panel */
  --panel: #0b140c;
  --panel-label: #8fa393;
  --panel-dim: #476d4d; /* dim but 3:1 on the panel (large text) */
  --panel-text: #c9d6cb;
  --readout: #f4d90b;
  --alarm: #ff8a3d;

  --font-display: "Chakra Petch", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 1px 0 rgba(17, 20, 24, 0.06), 0 12px 32px rgba(17, 20, 24, 0.12);
  --gutter: 20px;
  --max: 920px;
  color-scheme: light;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-hover);
}

:focus-visible {
  outline: 3px solid var(--accent-ring);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  padding: 8px 12px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  z-index: 10;
}

.skip-link:focus {
  top: var(--gutter);
  color: #fff;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  width: 100%;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter);
}

main {
  flex: 1;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 2px;
}

.topbar a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
}

.topbar a:hover {
  color: var(--accent);
}

/* Page header (shared by home and tool pages) */

.page-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}

.page-head__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 10vw, 4rem);
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.page-head__lede {
  margin: 0 auto;
  max-width: 34em;
  font-size: 1.125rem;
  color: var(--text-muted);
}

/* Home */

.home {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding-block: 56px 72px;
}

.tools__heading {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-label);
}

.tool-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.tool {
  display: flex;
}

.card {
  display: flex;
  flex-direction: column;
  width: 100%;
  overflow: hidden;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

a.card[href]:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  color: var(--text);
}

/* Picture area: the drawing sits on a dark scouter-display panel. */
.card__art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 190px;
  padding: 18px 24px;
  background:
    radial-gradient(70% 90% at 50% 55%, rgba(124, 255, 90, 0.22), transparent 70%),
    repeating-linear-gradient(0deg, rgba(124, 255, 90, 0.05) 0 1px, transparent 1px 5px),
    var(--panel);
}

.card__art img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.45));
  transition: transform 0.25s ease;
}

a.card[href]:hover .card__art img {
  transform: scale(1.05) rotate(-2deg);
}

/* Stand-in for tools without a drawing yet: two rings meeting (original CSS motif). */
.card__art--blank::before,
.card__art--blank::after {
  content: "";
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 6px solid var(--alarm);
  box-shadow: 0 0 18px rgba(255, 138, 61, 0.35);
}

.card__art--blank::after {
  margin-left: -36px;
  border-color: #7cff5a;
  box-shadow: 0 0 18px rgba(124, 255, 90, 0.35);
}

.card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 8px;
  padding: 20px 24px 24px;
}

.card__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

a.card[href] .card__name::after {
  content: " →";
  color: var(--accent);
}

.card__blurb {
  margin: 0;
  color: var(--text-muted);
}

/* "soon" cards: visible, muted, not interactive. Text keeps AA contrast. */
.card--soon {
  cursor: default;
  border-style: dashed;
  background: var(--surface);
  box-shadow: none;
}

.card--soon .card__name {
  color: var(--text-muted);
}

.card--soon .card__art > img,
.card--soon .card__art--blank::before,
.card--soon .card__art--blank::after {
  filter: saturate(0.35) brightness(0.85);
  opacity: 0.75;
}

.badge {
  align-self: flex-start;
  margin-top: 4px;
  padding: 3px 10px;
  border-radius: 6px;
  background: var(--panel);
  color: var(--panel-label);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.noscript {
  padding: 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
}

/* Dark readout panel (Scouter result, 404) */

.readout {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 168px;
  padding: 28px 24px 32px;
  border-radius: var(--radius);
  background: var(--panel);
  text-align: center;
}

.readout__label {
  margin: 0;
  font: 500 14px/1.4 var(--font-mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--panel-label);
  overflow-wrap: anywhere;
}

.readout__number {
  margin: 0;
  font: 700 64px/1.1 var(--font-mono);
  color: var(--panel-dim);
  overflow-wrap: anywhere;
}

.readout__note {
  margin: 0;
  font-size: 15px;
  color: var(--panel-label);
}

/* 404 */

.lost {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-block: 56px 72px;
}

.lost__home {
  text-align: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 32px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font: 700 18px var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  filter: brightness(1.08);
  color: #fff;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 32px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.site-footer p {
  margin: 0;
}

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