/* HackHaste public site: iron plates on a bone page, or bone type on iron night.
   Colours match source/visuals (KLE iron #111, bone #F4F1EA, home #2C2C2C,
   choir #C4A574, engine #8AA4A8). Night is the default (html data-hh-theme=night).
   This file is author-owned. The generator copies WEB/; it does not write it. */

:root {
  --hh-iron: #111111;
  --hh-iron-deep: #0a0a0a;
  --hh-home: #2c2c2c;
  --hh-bone: #f4f1ea;
  --hh-bone-dim: #c8c2b4;
  --hh-choir: #c4a574;
  --hh-engine: #8aa4a8;
  --hh-rule: rgba(244, 241, 234, 0.14);
  --hh-ink: var(--hh-bone);
  --hh-paper: var(--hh-iron-deep);
  --hh-plate: var(--hh-iron);
  --hh-gutter: clamp(1.1rem, 4vw, 2.8rem);
  --hh-measure: 42rem;
  --hh-wide: 72rem;
  --hh-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "Times New Roman", Times, serif;
  --hh-sans: "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --hh-mono: "IBM Plex Mono", "Source Code Pro", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-hh-theme="night"]) {
    --hh-ink: #161410;
    --hh-paper: #f4f1ea;
    --hh-plate: #1a1a1a;
    --hh-rule: rgba(17, 17, 17, 0.12);
    --hh-bone-dim: #5c574c;
    color-scheme: light;
  }
}

:root[data-hh-theme="night"] {
  --hh-ink: var(--hh-bone);
  --hh-paper: var(--hh-iron-deep);
  --hh-plate: var(--hh-iron);
  --hh-rule: rgba(244, 241, 234, 0.14);
  --hh-bone-dim: #c8c2b4;
  color-scheme: dark;
}

:root[data-hh-theme="day"] {
  --hh-ink: #161410;
  --hh-paper: #f4f1ea;
  --hh-plate: #1a1a1a;
  --hh-rule: rgba(17, 17, 17, 0.12);
  --hh-bone-dim: #5c574c;
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body.hh-body {
  font-family: var(--hh-serif);
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--hh-ink);
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(196, 165, 116, 0.07), transparent 55%),
    radial-gradient(900px 600px at 100% 0%, rgba(138, 164, 168, 0.06), transparent 50%),
    var(--hh-paper);
  background-attachment: fixed;
}

.hh-body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  z-index: 0;
}

.hh-skip {
  position: absolute;
  left: 0.8rem;
  top: -3rem;
  z-index: 20;
  padding: 0.4rem 0.7rem;
  background: var(--hh-choir);
  color: #111;
  font-family: var(--hh-sans);
  text-decoration: none;
}

.hh-skip:focus {
  top: 0.8rem;
}

.hh-shell {
  position: relative;
  z-index: 1;
}

.hh-nav {
  position: sticky;
  top: 0;
  z-index: 8;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1.2rem;
  padding: 0.7rem var(--hh-gutter);
  background: color-mix(in srgb, var(--hh-paper) 86%, black);
  border-bottom: 1px solid var(--hh-rule);
  backdrop-filter: blur(10px);
}

.hh-nav a {
  color: var(--hh-ink);
  text-decoration: none;
  font-family: var(--hh-sans);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hh-nav a:hover,
.hh-nav a:focus-visible {
  color: var(--hh-choir);
}

.hh-nav-mark {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-right: auto;
  font-family: var(--hh-sans);
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hh-nav-mark img {
  width: 1.7rem;
  height: 1.7rem;
}

.hh-nav-tools {
  display: flex;
  gap: 0.4rem;
  margin-left: auto;
}

@media (max-width: 1100px) {
  .hh-nav-tools {
    width: 100%;
    margin-left: 0;
    justify-content: flex-end;
  }
}

.hh-nav-tools button {
  appearance: none;
  border: 1px solid var(--hh-rule);
  background: transparent;
  color: var(--hh-ink);
  font-family: var(--hh-sans);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.28rem 0.55rem;
  cursor: pointer;
}

.hh-nav-tools button[aria-pressed="true"] {
  border-color: var(--hh-choir);
  color: var(--hh-choir);
}

.hh-hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.6rem 2.4rem;
  align-items: end;
  padding: clamp(2.2rem, 8vh, 5.5rem) var(--hh-gutter) 2.4rem;
  max-width: 90rem;
}

.hh-acrostic {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--hh-sans);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--hh-bone-dim);
  line-height: 1.7;
}

.hh-acrostic b {
  color: var(--hh-choir);
  font-weight: 650;
  margin-right: 0.35rem;
}

.hh-hero-copy h1 {
  font-family: var(--hh-sans);
  font-weight: 550;
  font-size: clamp(2.6rem, 8vw, 6.4rem);
  letter-spacing: 0.04em;
  line-height: 0.9;
  margin: 0 0 0.35rem;
  text-transform: uppercase;
}

.hh-haha {
  display: inline-block;
  margin-left: 0.15em;
  color: var(--hh-choir);
  font-size: 0.38em;
  letter-spacing: 0.28em;
  vertical-align: super;
}

.hh-lede {
  font-style: italic;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  max-width: 36rem;
  margin: 0.6rem 0 1.1rem;
}

.hh-hero-logo {
  width: min(9rem, 28vw);
  height: auto;
  margin-bottom: 0.4rem;
  /* The bindrune SVG is iron fill. Invert it on the night field. */
  filter: invert(1) drop-shadow(0 0 24px rgba(196, 165, 116, 0.18));
}

:root[data-hh-theme="day"] .hh-hero-logo {
  filter: none;
}

@media (prefers-color-scheme: light) {
  :root:not([data-hh-theme="night"]) .hh-hero-logo {
    filter: none;
  }
}

.hh-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.hh-cta {
  display: inline-block;
  padding: 0.65rem 1.1rem;
  font-family: var(--hh-sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--hh-choir);
  color: var(--hh-paper);
  background: var(--hh-choir);
}

.hh-cta-ghost {
  background: transparent;
  color: var(--hh-ink);
  border-color: var(--hh-ink);
}

.hh-cta:hover,
.hh-cta:focus-visible {
  filter: brightness(1.08);
}

.hh-section {
  padding: 3.2rem var(--hh-gutter);
  border-top: 1px solid var(--hh-rule);
}

.hh-section h2 {
  font-family: var(--hh-sans);
  font-weight: 550;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.92rem;
  margin: 0 0 1.2rem;
  color: var(--hh-choir);
}

.hh-kicker {
  font-family: var(--hh-sans);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--hh-engine);
  margin: 0 0 0.45rem;
}

.hh-prose {
  max-width: var(--hh-measure);
}

.hh-prose p {
  margin: 0 0 1rem;
}

.hh-quote {
  max-width: 38rem;
  margin: 1.6rem 0;
  padding: 0 0 0 1.1rem;
  border-left: 2px solid var(--hh-choir);
  font-style: italic;
}

.hh-quote footer {
  font-style: normal;
  font-family: var(--hh-sans);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hh-bone-dim);
  margin-top: 0.5rem;
}

.hh-hands {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  max-width: var(--hh-wide);
}

.hh-hand {
  padding: 1.2rem 1.3rem 1.3rem;
  background: color-mix(in srgb, var(--hh-plate) 88%, transparent);
  color: var(--hh-bone);
  border: 1px solid rgba(244, 241, 234, 0.08);
}

.hh-hand h3 {
  margin: 0 0 0.35rem;
  font-family: var(--hh-sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hh-letters {
  font-family: var(--hh-mono);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  letter-spacing: 0.18em;
  margin: 0.4rem 0 0.6rem;
}

.hh-hand-choir .hh-letters { color: var(--hh-choir); }
.hh-hand-engine .hh-letters { color: var(--hh-engine); }

.hh-hand p {
  margin: 0;
  color: #d9d4c8;
  font-size: 1rem;
}

.hh-board-wrap {
  max-width: 88rem;
  overflow-x: auto;
  padding-bottom: 0.6rem;
}

.hh-board-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  align-items: center;
  margin-bottom: 0.9rem;
}

.hh-seg {
  display: inline-flex;
  border: 1px solid var(--hh-rule);
}

.hh-seg button {
  appearance: none;
  background: transparent;
  color: var(--hh-ink);
  border: 0;
  padding: 0.4rem 0.8rem;
  font-family: var(--hh-sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

.hh-seg button[aria-pressed="true"] {
  background: var(--hh-choir);
  color: #111;
}

.hh-phrase {
  min-height: 1.5em;
  font-style: italic;
  color: var(--hh-choir);
  margin: 0;
}

.hh-board {
  --key: 3.05rem;
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  min-width: 48rem;
  padding: 0.85rem;
  background: #070707;
  border: 1px solid #222;
}

.hh-row {
  display: flex;
  gap: 0.28rem;
}

.hh-key {
  --span: 1;
  flex: var(--span) 0 calc(var(--key) * var(--span));
  min-height: 3.15rem;
  margin: 0;
  padding: 0.28rem 0.22rem 0.32rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  color: var(--hh-bone);
  background: var(--hh-plate);
  border: 1px solid #2a2a2a;
  clip-path: polygon(6px 0, calc(100% - 6px) 0, 100% 6px, 100% calc(100% - 6px), calc(100% - 6px) 100%, 6px 100%, 0 calc(100% - 6px), 0 6px);
  font-family: var(--hh-mono);
  font-size: 0.92rem;
  line-height: 1;
  cursor: pointer;
  transform: translateZ(0);
}

.hh-key small {
  font-size: 0.62rem;
  color: #8d887c;
  letter-spacing: 0.04em;
}

.hh-key-home {
  background: var(--hh-home);
}

.hh-key-choir {
  box-shadow: inset 0 -2px 0 var(--hh-choir);
}

.hh-key-engine {
  box-shadow: inset 0 -2px 0 var(--hh-engine);
}

.hh-key-mod {
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #b9b3a6;
}

.hh-key:hover,
.hh-key:focus-visible,
.hh-key.hh-lit {
  background: #3a342c;
  outline: none;
  z-index: 1;
}

.hh-key.hh-lit-choir {
  background: #4a3c28;
}

.hh-key.hh-lit-engine {
  background: #243338;
}

.hh-specimen {
  width: min(100%, 72rem);
  height: auto;
  margin: 1.2rem 0 0;
  padding: 0.35rem 0;
  background: transparent;
  grid-column: 1 / -1;
}

.hh-try {
  display: grid;
  grid-template-columns: 1fr 16rem;
  gap: 1rem;
  max-width: var(--hh-wide);
}

.hh-try textarea {
  width: 100%;
  min-height: 12rem;
  resize: vertical;
  padding: 1rem 1.1rem;
  border: 1px solid var(--hh-rule);
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0 1.7rem,
      color-mix(in srgb, var(--hh-ink) 8%, transparent) 1.7rem 1.74rem
    ),
    color-mix(in srgb, var(--hh-plate) 55%, transparent);
  color: var(--hh-ink);
  font-family: var(--hh-serif);
  font-size: 1.2rem;
  line-height: 1.7;
  caret-color: var(--hh-choir);
}

.hh-try aside {
  font-size: 0.95rem;
  color: var(--hh-bone-dim);
}

.hh-os {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  max-width: 58rem;
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
}

.hh-os li {
  font-family: var(--hh-sans);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--hh-rule);
}

.hh-packs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16.5rem, 1fr));
  gap: 0.7rem;
  max-width: var(--hh-wide);
  margin-top: 1rem;
}

.hh-packs a {
  display: block;
  padding: 0.9rem 1rem;
  text-decoration: none;
  color: var(--hh-ink);
  border: 1px solid var(--hh-rule);
  font-family: var(--hh-sans);
  font-size: 0.92rem;
}

.hh-packs a:hover,
.hh-packs a:focus-visible {
  border-color: var(--hh-choir);
}

.hh-packs a strong {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--hh-choir);
  margin-bottom: 0.25rem;
}

.hh-code {
  display: block;
  overflow-x: auto;
  padding: 1rem 1.1rem;
  background: #070707;
  color: var(--hh-bone);
  font-family: var(--hh-mono);
  font-size: 0.85rem;
  line-height: 1.45;
  max-width: var(--hh-wide);
}

.hh-fingers {
  display: grid;
  gap: 0.85rem;
  max-width: var(--hh-wide);
}

.hh-finger {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.8rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--hh-rule);
}

.hh-finger dt {
  font-family: var(--hh-sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--hh-engine);
  margin: 0;
}

.hh-finger dd {
  margin: 0;
}

.hh-finger code {
  font-family: var(--hh-mono);
  color: var(--hh-choir);
}

.hh-foot {
  padding: 2.4rem var(--hh-gutter) 3.2rem;
  border-top: 1px solid var(--hh-rule);
  font-family: var(--hh-sans);
  font-size: 0.85rem;
  color: var(--hh-bone-dim);
}

.hh-foot a {
  color: var(--hh-ink);
}

.hh-foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.3rem;
  margin-bottom: 1rem;
}

@media (max-width: 820px) {
  .hh-hero,
  .hh-hands,
  .hh-try,
  .hh-finger {
    grid-template-columns: 1fr;
  }

  .hh-acrostic {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem 0.8rem;
  }

  .hh-acrostic li {
    display: inline;
  }
}

@media (max-width: 640px) {
  .hh-nav a:not(.hh-nav-mark) {
    display: none;
  }

  .hh-nav-mark span {
    display: none;
  }
}