/* dukeandjb.com — homepage stylesheet. See design.md for the spec. */

:root {
  /* colour */
  --paper:  #FBF3E4;
  --ink:    #16130F;
  --flame:  #FF4A1C;
  --sea:    #0E5FD8;

  /* type */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas,
               "Liberation Mono", monospace;

  /* spacing */
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --s7: 48px;
  --s8: 64px;
  --s9: 96px;
}

/* reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { font-size: 100%; }

body {
  font-family: var(--font-sans);
  line-height: 1.5;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

/* container */
.wrap {
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--s4);
}
@media (min-width: 45rem) {
  .wrap { padding-inline: var(--s6); }
}

/* visually hidden */
.vh {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* skip link */
.skip {
  position: absolute; left: var(--s4); top: var(--s4);
  transform: translateY(-200%);
  background: var(--ink); color: var(--paper);
  padding: var(--s2) var(--s4);
  border-radius: 4px;
  text-decoration: none; font-weight: 700;
  z-index: 10;
}
.skip:focus {
  transform: translateY(0);
  outline: 3px solid var(--sea); outline-offset: 3px;
}

/* ---- header ---- */
.header .wrap {
  padding-top: var(--s6);
  padding-bottom: var(--s5);
  border-bottom: 3px solid var(--ink);
}
@media (min-width: 45rem) {
  .header .wrap {
    padding-top: var(--s8);
    padding-bottom: var(--s6);
  }
}

.wordmark {
  font-size: 2.5rem; /* 40px */
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  text-transform: lowercase;
  text-wrap: balance;
}
.wordmark__dot { color: var(--flame); }
@media (min-width: 45rem) {
  .wordmark { font-size: 4rem; } /* 64px */
}

.tagline {
  font-family: var(--font-mono);
  font-size: 0.9375rem; /* 15px */
  line-height: 1.4;
  margin-top: var(--s3);
}

/* ---- sections ---- */
.section { padding-top: var(--s7); padding-bottom: var(--s7); }
@media (min-width: 45rem) {
  .section { padding-top: var(--s8); padding-bottom: var(--s8); }
}

.section__heading {
  font-size: 1.375rem; /* 22px */
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-transform: lowercase;
  text-wrap: balance;
  margin-bottom: var(--s5);
}
@media (min-width: 45rem) {
  .section__heading { font-size: 1.625rem; } /* 26px */
}

.count {
  font-family: var(--font-mono);
  font-size: 0.6em;
  font-weight: 500;
}

/* ---- games grid ---- */
.games {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--s4);
  grid-template-columns: 1fr;
}
@media (min-width: 45rem) {
  .games {
    gap: var(--s5);
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

/* ---- game card ---- */
.card__link {
  display: flex;
  flex-direction: column;
  min-height: 148px;
  padding: var(--s5);
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 4px;
  box-shadow: 5px 5px 0 0 var(--ink);
  text-decoration: none;
  transition: transform 120ms ease-out,
              box-shadow 120ms ease-out,
              background-color 120ms ease-out;
}
.card:nth-child(odd)  .card__link { transform: rotate(-0.4deg); }
.card:nth-child(even) .card__link { transform: rotate(0.35deg); }

.card__title {
  font-size: 1.3125rem; /* 21px */
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
@media (min-width: 45rem) {
  .card__title { font-size: 1.375rem; } /* 22px */
}

.card__desc {
  font-size: 0.9375rem; /* 15px */
  line-height: 1.45;
  margin-top: var(--s2);
  text-wrap: pretty;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
@media (min-width: 45rem) {
  .card__desc { font-size: 1rem; } /* 16px */
}

.card__meta {
  margin-top: auto;
  padding-top: var(--s4);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
}
.card__by {
  font-size: 0.75rem; /* 12px */
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-transform: lowercase;
}
.card__play {
  font-size: 0.875rem; /* 14px */
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* card interaction */
@media (hover: hover) and (pointer: fine) {
  .card__link:hover {
    background: var(--flame);
    transform: translate(-2px, -2px) rotate(0deg);
    box-shadow: 7px 7px 0 0 var(--ink);
  }
}
.card__link:focus-visible {
  outline: 3px solid var(--sea);
  outline-offset: 3px;
}
.card__link:active {
  transform: translate(2px, 2px) rotate(0deg);
  box-shadow: 2px 2px 0 0 var(--ink);
}

/* ---- inverted band (youtube + about) ---- */
.invert {
  background: var(--ink);
  color: var(--paper);
}
.invert .section__heading { color: var(--paper); }

.about { border-top: 2px solid var(--sea); }

.yt__copy {
  font-size: 1rem;
  margin-bottom: var(--s5);
}

.yt-link {
  display: inline-block;
  padding: var(--s3) var(--s5);
  min-height: 48px;
  background: var(--flame);
  color: var(--ink);
  border: 2px solid var(--paper);
  border-radius: 4px;
  box-shadow: 5px 5px 0 0 var(--paper);
  font-size: 1.25rem; /* 20px */
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-transform: lowercase;
  text-decoration: none;
  transition: transform 120ms ease-out, box-shadow 120ms ease-out;
}
@media (min-width: 45rem) {
  .yt-link { font-size: 1.5rem; } /* 24px */
}
@media (hover: hover) and (pointer: fine) {
  .yt-link:hover {
    transform: translate(-2px, -2px);
    box-shadow: 7px 7px 0 0 var(--paper);
  }
}
.yt-link:focus-visible {
  outline: 3px solid var(--paper);
  outline-offset: 3px;
}
.yt-link:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 0 var(--paper);
}

/* about prose */
.prose { max-width: 60ch; }
.prose p {
  font-size: 1rem;
  line-height: 1.6;
  text-wrap: pretty;
}
@media (min-width: 45rem) {
  .prose p { font-size: 1.0625rem; } /* 17px */
}
.prose p + p { margin-top: var(--s4); }

/* prose links inside inverted block */
.prose a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.prose a:hover { text-decoration-thickness: 2px; }
.prose a:focus-visible {
  outline: 3px solid var(--paper);
  outline-offset: 3px;
}

/* ---- footer ---- */
.footer .wrap {
  padding-top: var(--s5);
  padding-bottom: var(--s5);
  border-top: 2px solid var(--ink);
}
.footer p { font-size: 0.8125rem; line-height: 1.5; } /* 13px */

/* ---- reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .card__link,
  .yt-link { transition: none; }
  .card:nth-child(odd)  .card__link,
  .card:nth-child(even) .card__link { transform: none; }
  .card__link:hover,
  .card__link:active,
  .yt-link:hover,
  .yt-link:active { transform: none; }
}