/* ---------- base ---------- */
* { box-sizing: border-box; }

:root{
  --bg: #fbf7f1;          /* paper */
  --ink: #14120f;         /* ink */
  --muted: #6a5f54;       /* softened ink */
  --line: rgba(20,18,15,.12);
  --accent: #2b6cb0;
}

html, body { height: 100%; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Charter", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  line-height: 1.7;
}

/* better keyboard UX */
.skip{
  position: absolute;
  left: -999px;
  top: 10px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--ink);
}
.skip:focus{ left: 10px; z-index: 10; }

.wrap{
  min-height: 100%;
  display: block;
  padding: 56px 18px 80px;
}

/* ---------- "book" ---------- */
.book{
  width: min(680px, 92vw);
  margin: 0 auto;
  position: relative;
  background: transparent;
}

/* subtle spine */
.spine{
  display: none;
}

/* cover content */
.cover{
  padding: 0;
}

.kicker{
  margin: 0 0 12px;
  font-family: "Optima", "Gill Sans", "Trebuchet MS", sans-serif;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-size: .78rem;
  color: var(--muted);
}

.title{
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  letter-spacing: -0.015em;
}

.subtitle{
  margin: 10px 0 0;
  font-size: 1.05rem;
  color: var(--muted);
}

/* separator rule */
.rule{
  margin: 26px 0 18px;
  height: 1px;
  background: var(--line);
}

/* ---------- links ---------- */
.links{
  display: grid;
  gap: 10px;
  margin: 0;
}

.link{
  text-decoration: none;
  color: var(--ink);
  font-size: 1.05rem;
  letter-spacing: .008em;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px dotted var(--line);
  transition: color 120ms ease, border-color 120ms ease;
}

.link:hover{
  color: var(--accent);
  border-color: rgba(43,108,176,.4);
}

.link:focus-visible{
  outline: 2px solid rgba(21,17,15,.35);
  outline-offset: 3px;
}

/* imprint */
.imprint{
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-family: "Optima", "Gill Sans", "Trebuchet MS", sans-serif;
  font-size: .92rem;
}

.dot{
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(20,20,20,.35);
}

.sep{ opacity: .6; }

/* responsive */
@media (max-width: 520px){
  .wrap{ padding-top: 44px; }
}