/* Ask It Something Hard: the channel's paper, ink and three meaning colours
   (teal = agents, gold = knowledge, coral = cost), from the explainer kit. */

@font-face {
  font-family: "Fraunces";
  src: url("fonts/Fraunces.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Nunito";
  src: url("fonts/Nunito.woff2") format("woff2");
  font-weight: 200 1000;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #F4ECDC;
  --paper2: #EADFC8;
  --paper3: #DED0B4;
  --card: #FBF6EC;
  --ink: #2A2833;
  --ink2: #4A4656;
  --ink3: #6B6577;
  --teal: #1F625E;
  --teal-bg: #1F625E;
  --gold: #E3A33A;
  --coral: #B8402F;
  --focus: #1F625E;
  --code-bg: #2A2833;
  --code-ink: #F4ECDC;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #1E1C25;
    --paper2: #2A2833;
    --paper3: #3A3745;
    --card: #26242F;
    --ink: #F4ECDC;
    --ink2: #DED0B4;
    --ink3: #B3AA9A;
    --teal: #7CC2B9;
    --teal-bg: #1F625E;
    --gold: #F2CB7E;
    --coral: #F09A84;
    --focus: #F2CB7E;
    --code-bg: #15141A;
    --code-ink: #F4ECDC;
  }
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
}

a { color: var(--teal); text-underline-offset: .18em; text-decoration-thickness: .08em; }
a:hover { text-decoration-thickness: .14em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper); padding: .5rem 1rem;
}
.skip:focus { left: 1rem; top: 1rem; }

.wrap { max-width: 46rem; margin: 0 auto; padding: 0 16px; }

header.site {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--paper3);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.brand {
  font-family: "Fraunces", Georgia, serif; font-weight: 800; font-size: 1.15rem;
  color: var(--ink); text-decoration: none; letter-spacing: -.01em;
}
.brand span { color: var(--coral); }
header.site nav a { font-weight: 700; margin-left: 1rem; }
header.site nav a:first-child { margin-left: 0; }

main { padding: 2.5rem 0 3rem; }

h1, h2 { font-family: "Fraunces", Georgia, serif; line-height: 1.1; letter-spacing: -.015em; margin: 0 0 .75rem; }
h1 { font-size: clamp(2.2rem, 8vw, 3.6rem); font-weight: 800; }
h1 em { font-style: normal; color: var(--coral); }
h2 { font-size: clamp(1.45rem, 5vw, 1.9rem); font-weight: 700; }
.underline { background: linear-gradient(var(--gold), var(--gold)) 0 100% / 100% .18em no-repeat; padding-bottom: .08em; }

.lede { font-size: 1.2rem; color: var(--ink2); max-width: 36rem; }
.kicker {
  font-weight: 800; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--teal); margin: 0 0 .5rem;
}

.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  min-height: 44px; padding: .55rem 1.1rem;
  border-radius: 999px; border: 2px solid var(--teal-bg);
  background: var(--teal-bg); color: #fff;
  font: 800 1rem/1 "Nunito", system-ui, sans-serif;
  text-decoration: none; cursor: pointer;
}
.btn:hover { background: #174A47; border-color: #174A47; }
.btn.ghost { background: transparent; color: var(--teal); border-color: currentColor; }
.btn.ghost:hover { background: var(--paper2); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn svg { width: 1.1em; height: 1.1em; flex: none; }

.video-card {
  display: block; margin: 2rem 0 0; text-decoration: none; color: inherit;
  background: var(--card); border: 1px solid var(--paper3); border-radius: 14px; overflow: hidden;
}
.video-card img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; background: var(--paper2); }
.video-card .meta { padding: 1rem 1.1rem 1.15rem; }
.video-card .meta strong { font-family: "Fraunces", Georgia, serif; font-size: 1.2rem; line-height: 1.25; display: block; }
.video-card .meta span { color: var(--ink3); font-size: .95rem; }
a.video-card:hover strong { text-decoration: underline; text-decoration-color: var(--gold); }

.links { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: .75rem; }
.links a { font-weight: 700; }

.prompt {
  margin: 2.5rem 0 0; padding: 1.25rem 1.1rem 1.25rem;
  background: var(--card); border: 1px solid var(--paper3); border-radius: 14px;
  border-top: 6px solid var(--teal-bg);
}
.prompt.ours { border-top-color: var(--gold); }
.prompt .tag {
  display: inline-block; font-weight: 900; font-size: .72rem; letter-spacing: .09em; text-transform: uppercase;
  padding: .2rem .6rem; border-radius: 999px; background: var(--teal-bg); color: #fff; margin-bottom: .6rem;
}
.prompt.ours .tag { background: var(--gold); color: #2A2833; }
.prompt .does { margin: 0 0 1rem; color: var(--ink2); }
.prompt .does b { color: var(--ink); }
.prompt pre {
  margin: 0 0 1rem; padding: 1rem; max-height: 28rem; overflow: auto;
  background: var(--code-bg); color: var(--code-ink); border-radius: 10px;
  font: 400 .875rem/1.55 ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  white-space: pre-wrap; overflow-wrap: anywhere;
}
.prompt .actions { display: flex; flex-wrap: wrap; gap: .6rem 1rem; align-items: center; }
.prompt .status { font-weight: 700; color: var(--teal); margin: .6rem 0 0; }
.prompt .status:empty { display: none; }
.pending {
  padding: 1.1rem; border: 2px dashed var(--paper3); border-radius: 10px; color: var(--ink3);
  font-weight: 700; margin: 0 0 1rem;
}

.note {
  margin: 2.5rem 0 0; padding: 1rem 1.1rem; border-left: 4px solid var(--gold);
  background: var(--paper2); border-radius: 0 10px 10px 0; color: var(--ink2);
}
.note p { margin: 0 0 .5rem; }
.note p:last-child { margin: 0; }

footer.site { border-top: 1px solid var(--paper3); padding: 1.5rem 0 2.5rem; color: var(--ink3); font-size: .92rem; }
footer.site p { margin: 0 0 .4rem; }

@media (prefers-reduced-motion: no-preference) {
  .btn, .video-card { transition: background-color .15s ease, transform .15s ease; }
  a.video-card:hover { transform: translateY(-2px); }
}