/* awl — landing page styles. Hand-rolled, self-contained, zero-network.
   Palette lifted from DESIGN.md: base_100 canvas, the ink ladder, one amber accent. */

/* ---- Fonts (local, OFL — bundled beside this file) ---------------------- */
@font-face {
  font-family: "EB Garamond";
  src: url("fonts/EBGaramond-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url("fonts/Literata-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/JetBrainsMono.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---- Tokens ------------------------------------------------------------- */
:root {
  /* dark is the default room (the Undertow hero is dark) */
  --bg:        #16181D;  /* base_100 — the canvas */
  --raised:    #202228;  /* base_200 — one step forward */
  --border:    #2A2D34;  /* base_300 — the focused plane / hairline */
  --content:   #E6E6E6;  /* base_content — full ink */
  --muted:     #8B919D;  /* muted — de-emphasized */
  --faint:     #4E525A;  /* faint — barely-there metadata */
  --amber:     #FFC05E;  /* primary — the one warm thing */
  --amber-ink: #261A08;  /* primary_content — ink drawn on amber */

  --serif-display: "EB Garamond", Georgia, "Times New Roman", serif;
  --serif-body:    "Literata", Georgia, serif;
  --mono:          "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --measure: 34rem;      /* prose comfort band */
  --page:    72rem;      /* outer content width */
}

@media (prefers-color-scheme: light) {
  :root {
    /* a warm ecru salt-flat (Saltpan) for daylight */
    --bg:      #F4F1E9;
    --raised:  #FBFAF5;
    --border:  #E2DCCE;
    --content: #2A2721;
    --muted:   #6C665A;
    --faint:   #A69F8E;
    --amber:   #E39A2C;  /* a touch deeper so amber reads on warm paper */
    --amber-ink: #2A1C05;
  }
}

/* ---- Reset-ish ---------------------------------------------------------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--content);
  font-family: var(--serif-body);
  font-size: 18px;
  line-height: 1.6;
  overflow-x: hidden;              /* body never scrolls sideways */
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---- Layout scaffolding ------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--page);
  margin: 0 auto;
  padding: 0 1.5rem;
}
section { padding: 5.5rem 0; }
.rule { border: 0; border-top: 1px solid var(--border); margin: 0; }

/* ---- Hero --------------------------------------------------------------- */
.hero { padding-top: 6rem; padding-bottom: 4.5rem; text-align: center; }
.wordmark {
  font-family: var(--serif-display);
  font-size: clamp(4.5rem, 16vw, 8rem);
  line-height: 0.9;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0 0 0.4rem;
}
.tagline {
  font-family: var(--serif-body);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  color: var(--muted);
  margin: 0 auto 2.2rem;
  max-width: 30rem;
}
.cta {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 0.85rem 1.8rem;
  background: var(--amber);
  color: var(--amber-ink);
  text-decoration: none;
  border-radius: 2px;
  transition: transform 120ms ease, filter 120ms ease;
}
.cta:hover { transform: translateY(-1px); filter: brightness(1.06); }
.cta:active { transform: translateY(0); }

/* the hero screenshot — a framed window sitting on the page */
.shot {
  margin: 3.5rem auto 0;
  max-width: 62rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;                /* wide image clips to the frame */
  box-shadow: 0 24px 60px -30px rgba(0,0,0,0.55);
}
.shot img { width: 100%; height: auto; }

/* ---- Section headings --------------------------------------------------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 0.9rem;
}
h2.section-title {
  font-family: var(--serif-display);
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.1;
  margin: 0 0 1.4rem;
  letter-spacing: -0.01em;
}
.lede {
  color: var(--muted);
  max-width: var(--measure);
  margin: 0;
}

/* ---- Worlds grid -------------------------------------------------------- */
.worlds-head { text-align: center; }
.worlds-head .lede { margin: 0 auto; }
.worlds {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1.5rem;
}
.world figure { margin: 0; }
.world .frame {
  border: 1px solid var(--border);
  border-radius: 5px;
  overflow: hidden;
  background: var(--raised);
  aspect-ratio: 3 / 2;
}
.world .frame img { width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.world figcaption {
  margin-top: 0.7rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}
.world .name { font-family: var(--serif-display); font-size: 1.15rem; }
.world .flavour { font-family: var(--mono); font-size: 0.7rem; color: var(--faint); letter-spacing: 0.03em; text-align: right; }

/* ---- The pitch (three constraints) ------------------------------------- */
.pitch { background: var(--raised); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.pitch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
}
.pitch-item h3 {
  font-family: var(--serif-display);
  font-weight: 400;
  font-size: 1.6rem;
  margin: 0 0 0.6rem;
}
.pitch-item h3 .dot { color: var(--amber); }
.pitch-item p { margin: 0; color: var(--muted); font-size: 1rem; }

/* ---- In / Out ----------------------------------------------------------- */
.inout-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.col h3 {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}
.col ul { list-style: none; margin: 0; padding: 0; }
.col li { padding: 0.55rem 0; color: var(--muted); position: relative; padding-left: 1.5rem; }
.col.in  li::before { content: "+"; position: absolute; left: 0; color: var(--amber); font-family: var(--mono); }
.col.out li::before { content: "−"; position: absolute; left: 0; color: var(--faint); font-family: var(--mono); }
.col li b { color: var(--content); font-weight: 400; }

/* ---- Footer ------------------------------------------------------------- */
footer { border-top: 1px solid var(--border); padding: 3rem 0 4rem; }
.foot-mark { font-family: var(--serif-display); font-size: 1.6rem; margin: 0 0 1rem; }
.foot-links {
  font-family: var(--mono);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  color: var(--muted);
}
.foot-links a { color: var(--muted); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 120ms, color 120ms; }
.foot-links a:hover { color: var(--content); border-bottom-color: var(--amber); }
.foot-meta { margin-top: 1.4rem; font-family: var(--mono); font-size: 0.78rem; color: var(--faint); line-height: 1.9; }
.foot-meta .sep { color: var(--border); padding: 0 0.5rem; }

/* ---- Credits page -------------------------------------------------------- */
/* Prose reading column for /credits.html — mirrors CREDITS.md's own content,
   set in the measure comfort band (--measure), same ink ladder as the rest
   of the site (no new accent — amber stays the caret's alone, DESIGN §3). */
.credits-page { padding-top: 5rem; }
.credits-page .wrap { max-width: var(--measure); }
.credits-body h2 {
  font-family: var(--serif-display);
  font-size: 1.4rem;
  font-weight: 400;
  margin: 2.6rem 0 0.8rem;
  color: var(--content);
}
.credits-body h2:first-child { margin-top: 0; }
.credits-body p, .credits-body li { color: var(--muted); }
.credits-body p { margin: 0 0 1rem; }
.credits-body ul { margin: 0 0 1rem; padding-left: 1.3rem; }
.credits-body li { padding: 0.2rem 0; }
.credits-body a { color: var(--content); border-bottom: 1px solid var(--border); text-decoration: none; }
.credits-body a:hover { border-bottom-color: var(--amber); }
.credits-body code { font-family: var(--mono); font-size: 0.85em; }
.credits-body .rule { margin: 2.4rem 0; }
.credits-body em { color: var(--faint); font-style: italic; }

/* ---- Guide page: the generated keys-reference table ---------------------- */
/* Reuses .credits-body's prose column (/guide.html mirrors GUIDE.md the same
   way /credits.html mirrors CREDITS.md — same accepted hand-duplication
   tradeoff, see GUIDE.md's own module note). */
.credits-body table { width: 100%; border-collapse: collapse; margin: 0 0 1.4rem; font-size: 0.9rem; }
.credits-body th, .credits-body td { text-align: left; padding: 0.4rem 0.8rem 0.4rem 0; border-bottom: 1px solid var(--border); }
.credits-body th { color: var(--faint); font-weight: 400; font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; }
.credits-body td { color: var(--muted); font-family: var(--mono); font-size: 0.85rem; }
.credits-body td:first-child { color: var(--content); font-family: var(--sans, inherit); }

/* ---- Small screens ------------------------------------------------------ */
@media (max-width: 640px) {
  section { padding: 4rem 0; }
  .hero { padding-top: 4rem; }
  body { font-size: 17px; }
}