:root {
  --night: #071019;
  --night-soft: #0c1721;
  --paper: #eee6d5;
  --paper-deep: #d9cfba;
  --bone: #f4efe5;
  --ink: #182029;
  --muted: #94a0a7;
  --gold: #ad9260;
  --pink: #ee7fa6;
  --threshold-glow: 0.06;
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --measure: 42rem;
}

* { box-sizing: border-box; }

html {
  background: var(--night);
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% 5%, rgba(173, 146, 96, calc(var(--threshold-glow) * .55)), transparent 33rem),
    var(--night);
  color: var(--bone);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
  min-height: 100vh;
}

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--pink); }
a:focus-visible { outline: 1px solid var(--pink); outline-offset: .35rem; }

.site-header,
.site-footer {
  align-items: center;
  display: flex;
  font-family: var(--sans);
  font-size: .69rem;
  justify-content: space-between;
  letter-spacing: .14em;
  margin: 0 auto;
  max-width: 78rem;
  padding: 1.6rem clamp(1.25rem, 4vw, 3.5rem);
  text-transform: uppercase;
}

.site-header a,
.site-footer a { text-decoration: none; }

.identity { align-items: center; display: flex; gap: .85rem; }

.door-mark { color: var(--gold); display: block; flex: 0 0 auto; width: 23px; }
.door-mark .star { fill: var(--pink); stroke: none; }

.site-nav { display: flex; gap: 1.5rem; }
.site-nav a { color: var(--muted); }
.site-nav a[aria-current="page"], .site-nav a:hover { color: var(--bone); }

main { display: block; }

.threshold-hero {
  align-items: stretch;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 34rem);
  margin: clamp(2.2rem, 7vw, 6.5rem) auto clamp(5rem, 10vw, 9rem);
  max-width: 78rem;
  padding: 0 clamp(1.25rem, 4vw, 3.5rem);
}

.hero-copy {
  align-self: center;
  max-width: 40rem;
  padding: 3rem clamp(1rem, 5vw, 5rem) 3rem 0;
}

.eyebrow,
.meta,
.kicker {
  color: var(--gold);
  font-family: var(--sans);
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  font-size: clamp(3.2rem, 7vw, 6.6rem);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .93;
  margin: 1.25rem 0 1.5rem;
}

.deck {
  color: #c8c8c2;
  font-size: clamp(1.12rem, 2vw, 1.42rem);
  line-height: 1.48;
  max-width: 34rem;
}

.text-link {
  font-family: var(--sans);
  font-size: .72rem;
  letter-spacing: .11em;
  text-decoration: none;
  text-transform: uppercase;
}

.text-link::after { color: var(--pink); content: "  →"; }

.doorway {
  border: 1px solid rgba(173, 146, 96, .58);
  border-bottom: 0;
  box-shadow: inset 0 0 4rem rgba(238, 127, 166, var(--threshold-glow));
  display: flex;
  min-height: 41rem;
  padding: clamp(1.4rem, 3vw, 2.6rem);
  position: relative;
}

.doorway::before,
.doorway::after {
  content: "";
  height: 1px;
  position: absolute;
  top: -.4rem;
  width: 1.2rem;
}
.doorway::before { background: var(--gold); left: -.45rem; }
.doorway::after { background: var(--pink); right: -.45rem; }

.paper-preview {
  align-self: flex-end;
  background: var(--paper);
  color: var(--ink);
  margin-top: 6rem;
  padding: clamp(2rem, 4vw, 3.7rem);
  width: 100%;
}

.paper-preview .meta { color: #745f39; }
.paper-preview h2 {
  font-size: clamp(2rem, 4vw, 3.35rem);
  font-weight: 400;
  letter-spacing: -.035em;
  line-height: 1.02;
  margin: 1rem 0 1.35rem;
}
.paper-preview p { color: #40464b; }
.paper-preview .text-link { color: var(--ink); }

.section {
  margin: 0 auto;
  max-width: 78rem;
  padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 4vw, 3.5rem);
}

.section + .section { border-top: 1px solid rgba(173, 146, 96, .25); }

.section-heading {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(12rem, .7fr) 2fr;
}

.section h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 400;
  letter-spacing: -.025em;
  line-height: 1.08;
}

.door-list { border-top: 1px solid rgba(244, 239, 229, .24); }
.door-row {
  align-items: baseline;
  display: grid;
  gap: 1.4rem;
  grid-template-columns: 2fr 1fr auto;
  padding: 1.35rem 0;
  text-decoration: none;
}
.door-row + .door-row { border-top: 1px solid rgba(244, 239, 229, .12); }
.door-row span:first-child { font-size: 1.15rem; }
.door-row .meta { color: var(--muted); }
.door-row .arrow { color: var(--pink); }

.constellations {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(5, 1fr);
  margin-top: 3rem;
}

.constellation {
  border-left: 1px solid rgba(173, 146, 96, .35);
  color: #bdc2c2;
  display: block;
  min-height: 9rem;
  padding: 1.35rem;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease;
}
.constellation:hover { background: rgba(244, 239, 229, .035); border-color: var(--pink); color: #bdc2c2; }
.constellation::before { color: var(--pink); content: "✦"; display: block; font-size: .65rem; margin-bottom: 2rem; }
.constellation strong { color: var(--bone); display: block; font-size: .74rem; font-family: var(--sans); font-weight: 500; letter-spacing: .06em; }
.constellation span { font-size: .88rem; }

.about-passage { max-width: 47rem; }
.about-passage p { color: #c1c5c3; font-size: clamp(1.25rem, 2.2vw, 1.65rem); line-height: 1.55; }

.site-footer { border-top: 1px solid rgba(173, 146, 96, .25); color: var(--muted); margin-top: 3rem; }

/* Reading room */
.reading-threshold {
  border: 1px solid rgba(173, 146, 96, .45);
  border-bottom: 0;
  margin: clamp(2rem, 5vw, 5rem) auto 0;
  max-width: 58rem;
  padding: clamp(1rem, 2vw, 1.7rem) clamp(1rem, 2.5vw, 2.2rem) 0;
}

.essay-sheet {
  background: var(--paper);
  color: var(--ink);
  padding: clamp(3rem, 8vw, 7.5rem) clamp(1.5rem, 9vw, 7rem);
}

.essay-header { border-bottom: 1px solid #c7bda8; margin-bottom: 4rem; padding-bottom: 3rem; }
.essay-header .kicker, .essay-header .meta { color: #735d36; }
.essay-header h1 { font-size: clamp(3rem, 7vw, 5.7rem); }
.essay-header .deck { color: #555a5d; }
.byline { font-family: var(--sans); font-size: .69rem; letter-spacing: .09em; margin-top: 2rem; text-transform: uppercase; }

.essay-body { margin: 0 auto; max-width: var(--measure); }
.essay-body p { font-size: clamp(1.08rem, 1.8vw, 1.24rem); margin-bottom: 1.5em; }
.essay-body p:first-child::first-letter { color: #8d6e3d; float: left; font-size: 4.3rem; line-height: .78; padding: .12em .12em 0 0; }
.essay-body h2 { font-size: clamp(1.8rem, 3.5vw, 2.55rem); font-weight: 400; letter-spacing: -.02em; line-height: 1.14; margin: 3.2rem 0 1.2rem; }
.margin-phrase {
  border-left: 1px solid var(--pink);
  color: #72596a;
  font-family: var(--sans);
  font-size: .68rem;
  letter-spacing: .13em;
  margin: 3rem 0;
  padding: .2rem 0 .2rem 1.2rem;
  text-transform: uppercase;
}
.closing-line { color: #674f2c; font-style: italic; margin-top: 3.5rem; }
.provenance { border-top: 1px solid #c7bda8; color: #707477; font-family: var(--sans); font-size: .68rem; letter-spacing: .08em; margin-top: 4rem; padding-top: 1.2rem; text-transform: uppercase; }
.story-break {
  color: #9a7b52;
  font-family: var(--sans);
  font-size: .62rem !important;
  letter-spacing: .55em;
  margin: 3.2rem 0 !important;
  text-align: center;
}
.letter-body .salutation { font-style: italic; }
.essay-body.letter-body p.salutation::first-letter { color: inherit; float: none; font-size: inherit; line-height: inherit; padding: 0; }
.signature { color: #674f2c; font-style: italic; margin: 3.5rem 0; }
.signature span { display: inline-block; font-size: 1.4rem; margin-top: .4rem; }

.essay-passage-nav {
  border-top: 1px solid #c7bda8;
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr 1fr;
  margin: 5rem auto 0;
  max-width: var(--measure);
}
.passage-link {
  min-height: 7.5rem;
  padding: 1.4rem 1.2rem 1.4rem 0;
  text-decoration: none;
}
.passage-link + .passage-link { border-left: 1px solid #c7bda8; padding-left: 1.2rem; }
.passage-link.next { text-align: right; }
.passage-link .meta { color: #735d36; display: block; margin-bottom: .6rem; }
.passage-link strong { color: var(--ink); font-size: 1rem; font-weight: 400; line-height: 1.3; }
.passage-link:hover strong { color: #8c4560; }

.archive-page { margin: clamp(3rem, 8vw, 7rem) auto; max-width: 78rem; padding: 0 clamp(1.25rem, 4vw, 3.5rem); }
.archive-intro { max-width: 48rem; }
.archive-intro h1 { margin-bottom: 1.4rem; }
.archive-filters {
  border-bottom: 1px solid rgba(173, 146, 96, .3);
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: clamp(3.5rem, 7vw, 6rem) 0 0;
  padding-bottom: 1.2rem;
}
.archive-filters button {
  background: transparent;
  border: 1px solid rgba(173, 146, 96, .35);
  color: var(--muted);
  cursor: pointer;
  font-family: var(--sans);
  font-size: .63rem;
  letter-spacing: .1em;
  padding: .62rem .85rem;
  text-transform: uppercase;
}
.archive-filters button:hover,
.archive-filters button[aria-pressed="true"] { border-color: var(--pink); color: var(--bone); }
.archive-filters button:focus-visible { outline: 1px solid var(--pink); outline-offset: .2rem; }
.archive-list { display: grid; grid-template-columns: repeat(2, 1fr); }
.archive-entry { border-left: 1px solid rgba(173, 146, 96, .3); }
.archive-entry[hidden] { display: none; }
.archive-entry a { display: flex; flex-direction: column; min-height: 24rem; padding: clamp(1.5rem, 3vw, 2.4rem); text-decoration: none; }
.archive-entry a:hover { background: rgba(244, 239, 229, .035); color: inherit; }
.archive-entry .meta { color: var(--gold); }
.archive-entry h2 { font-size: clamp(1.75rem, 3vw, 2.55rem); font-weight: 400; letter-spacing: -.025em; line-height: 1.05; margin: 1.3rem 0; }
.archive-entry p:not(.meta) { color: #afb7b6; font-size: .98rem; }
.archive-entry .text-link { margin-top: auto; }
.empty-archive { color: var(--muted); font-size: 1.2rem; grid-column: 1 / -1; min-height: 18rem; padding: 4rem 0; }

.plain-page { margin: clamp(4rem, 10vw, 9rem) auto; max-width: 49rem; padding: 0 clamp(1.25rem, 4vw, 3.5rem); }
.plain-page h1 { max-width: 44rem; }
.plain-page .lead { color: #c5c9c7; font-size: clamp(1.25rem, 2.5vw, 1.65rem); }
.plain-page .passage { border-left: 1px solid var(--gold); margin-top: 4rem; padding-left: clamp(1.5rem, 4vw, 3rem); }
.plain-page .passage p { color: #b4bcbb; }

.lost-door {
  min-height: calc(100vh - 15rem);
  padding-top: clamp(3rem, 8vw, 7rem);
}
.lost-door h1 { max-width: 38rem; }
.lost-door .lead { margin-bottom: 2.5rem; max-width: 35rem; }

@media (max-width: 760px) {
  body { font-size: 17px; }
  .site-header { align-items: flex-start; }
  .identity span { max-width: 8rem; }
  .site-nav { gap: .9rem; padding-top: .15rem; }
  .threshold-hero { display: block; margin-top: 1.5rem; }
  .hero-copy { padding: 3rem 0 4rem; }
  .doorway { min-height: 29rem; padding: 1rem; }
  .paper-preview { padding: 2rem 1.5rem; }
  .section-heading { display: block; }
  .section-heading > h2 { margin-bottom: 2rem; }
  .door-row { grid-template-columns: 1fr auto; }
  .door-row .meta { grid-column: 1; grid-row: 2; }
  .door-row .arrow { grid-column: 2; grid-row: 1 / span 2; }
  .constellations { grid-template-columns: 1fr 1fr; }
  .constellation:last-child { grid-column: 1 / -1; }
  .reading-threshold { border-left: 0; border-right: 0; padding-left: .65rem; padding-right: .65rem; }
  .essay-sheet { padding-left: 1.45rem; padding-right: 1.45rem; }
  .essay-passage-nav { display: block; }
  .passage-link { display: block; min-height: 0; padding: 1.3rem 0; }
  .passage-link + .passage-link { border-left: 0; border-top: 1px solid #c7bda8; padding-left: 0; }
  .archive-list { display: block; }
  .archive-entry { border-bottom: 1px solid rgba(173, 146, 96, .3); }
  .archive-entry a { min-height: 19rem; }
  .site-footer { align-items: flex-start; gap: 1rem; }
}

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