/* Instrument Serif and IBM Plex Mono, SIL OFL, self-hosted. Licenses in fonts/. */

@font-face {
  font-family: "Instrument Serif";
  src: url("fonts/instrument-serif-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #141311;
  --ink: #f3ecdf;
  --muted: #b7ae9e;
  --line: rgba(243, 236, 223, 0.16);
  --brass: #e2b15a;
  --hole: #0b0a09;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  background-image: radial-gradient(circle at 12px 10px, var(--hole) 0 5px, var(--brass) 5.5px);
  background-size: 24px 18px;
  background-repeat: repeat-x;
  color: var(--ink);
  font-family: "IBM Plex Mono", ui-monospace, "Cascadia Mono", monospace;
  font-size: 0.95rem;
  line-height: 1.55;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

::selection {
  background: var(--brass);
  color: var(--hole);
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(226, 177, 90, 0.85);
  text-underline-offset: 0.18em;
}

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

.skip {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 2;
  padding: 0.4rem 0.7rem;
  background: var(--brass);
  color: var(--hole);
  text-decoration: none;
  transform: translateY(-200%);
}

.skip:focus {
  transform: none;
}

.sheet {
  width: min(44rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.75rem 0 4rem;
}

.mast {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.word {
  font-family: "Instrument Serif", "Iowan Old Style", Palatino, Georgia, serif;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
  text-decoration-color: var(--brass);
}

.hero {
  padding: 2.5rem 0 2rem;
}

.kicker {
  margin: 0 0 1rem;
  color: var(--brass);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: "Instrument Serif", "Iowan Old Style", Palatino, Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0;
  font-size: clamp(2.15rem, 5.6vw, 3.15rem);
  line-height: 1.08;
}

.note {
  margin: 1.25rem 0 0;
  max-width: 36rem;
  color: var(--muted);
}

section + section {
  padding-top: 2.25rem;
}

h2 {
  margin: 0 0 1rem;
  font-size: 1.85rem;
  line-height: 1.1;
}

.player {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--hole);
  border: 1px solid var(--line);
}

.player iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.flow ol,
.safety ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.flow ol {
  border-left: 1px solid var(--line);
  margin-left: 0.35rem;
}

.flow li {
  position: relative;
  padding: 0 0 1.15rem 1.35rem;
}

.flow li:last-child {
  padding-bottom: 0;
}

.flow li::before {
  content: "";
  position: absolute;
  left: -0.32rem;
  top: 0.4rem;
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid var(--brass);
  border-radius: 50%;
  background: var(--bg);
}

.flow li:last-child::before {
  background: var(--brass);
}

@media (prefers-reduced-motion: no-preference) {
  .hero h1,
  .flow li {
    animation: rise 640ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }

  .flow li:nth-child(1) { animation-delay: 40ms; }
  .flow li:nth-child(2) { animation-delay: 90ms; }
  .flow li:nth-child(3) { animation-delay: 140ms; }
  .flow li:nth-child(4) { animation-delay: 190ms; }
  .flow li:nth-child(5) { animation-delay: 240ms; }
  .flow li:nth-child(6) { animation-delay: 290ms; }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-weight: 400;
  text-align: left;
  vertical-align: baseline;
}

th {
  width: 11.5rem;
  padding-right: 1rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

tr {
  transition: background-color 160ms ease;
}

tr:hover {
  background: rgba(226, 177, 90, 0.06);
}

.status {
  margin-left: 0.55rem;
  color: var(--brass);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
}

.span,
.amt {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
}

.amt {
  color: var(--ink);
}

.hash {
  display: inline-block;
  max-width: 100%;
  margin-top: 0.15rem;
  overflow-wrap: anywhere;
  font-size: 0.82rem;
}

code.hash {
  font-family: inherit;
}

.safety li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.safety li::before {
  content: "— ";
  color: var(--brass);
}

.safety a + a {
  margin-left: 0.65rem;
}

footer {
  margin-top: 2.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

footer p {
  margin: 0.35rem 0;
}

@media (max-width: 40rem) {
  .sheet {
    width: min(44rem, calc(100% - 1.5rem));
    padding-top: 2.25rem;
  }

  th,
  td {
    display: block;
    width: auto;
    padding-right: 0;
  }

  th {
    padding-bottom: 0.15rem;
    border-bottom: 0;
  }

  td {
    padding-top: 0;
  }

}