/* =========================================================================
   ANNA OF THE NINE BENDS — site styles
   River / 1936 palette: slate water, riverbank clay, lamp-gold, bone paper.
   Serif book typography, generous measure, dark-mode friendly, responsive.
   ========================================================================= */

:root {
  --paper:      #f4efe6;   /* bone / aged paper            */
  --paper-2:    #ece5d8;   /* slightly deeper panel        */
  --ink:        #23262b;   /* near-black slate ink         */
  --ink-soft:   #4a4f57;   /* secondary text               */
  --water:      #2f4a52;   /* deep slate-green river       */
  --water-deep: #1d3138;   /* deepest water                */
  --clay:       #8a5a3b;   /* riverbank clay accent        */
  --gold:       #b9842f;   /* lamp / electric-light gold   */
  --rule:       #c9bfab;   /* hairline rules               */
  --measure:    38rem;     /* reading line length          */
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:      #14181a;
    --paper-2:    #1b2023;
    --ink:        #e7e1d4;
    --ink-soft:   #b3ad9f;
    --water:      #7fb0b8;
    --water-deep: #9fc6cd;
    --clay:       #c08a5f;
    --gold:       #d9a84b;
    --rule:       #34404433;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua",
               Georgia, "Times New Roman", serif;
  font-size: 1.125rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--water); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--clay); }

/* =========================================================================
   LANDING PAGE
   ========================================================================= */

.landing .cover {
  max-width: 52rem;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 5rem) 1.25rem 4rem;
}

.hero {
  text-align: center;
  padding: clamp(1rem, 4vw, 3rem) 0 2.5rem;
  border-bottom: 1px solid var(--rule);
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  color: var(--clay);
  margin: 0 0 1rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 8vw, 4.4rem);
  line-height: 1.04;
  margin: 0 0 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.epigraph {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.15rem;
  margin: 0 auto 2rem;
  max-width: 28rem;
}

.cta {
  display: inline-block;
  background: var(--water);
  color: var(--paper);
  padding: 0.85rem 1.6rem;
  border-radius: 3px;
  font-size: 1.05rem;
  text-decoration: none;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 0 var(--water-deep);
  transition: transform 0.08s ease, background 0.2s ease;
}
.cta:hover { background: var(--water-deep); color: var(--paper); transform: translateY(-1px); }
@media (prefers-color-scheme: dark) {
  .cta { color: var(--paper); background: var(--water); }
  .cta, .cta:hover { color: #0f1416; }
}

.cta-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0.9rem 0 0;
  letter-spacing: 0.02em;
}

.logline p {
  font-size: 1.35rem;
  line-height: 1.55;
  text-align: center;
  margin: 2.5rem auto;
  max-width: 34rem;
}

.pitch, .structure { margin: 2.5rem auto; max-width: var(--measure); }
.pitch h2, .structure h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--clay);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.5rem;
}
.pitch p { margin: 1rem 0; }

.structure-note { color: var(--ink-soft); font-style: italic; margin-bottom: 1.4rem; }

.parts { list-style: none; counter-reset: part; margin: 0; padding: 0; }
.parts li {
  counter-increment: part;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem 1rem;
  align-items: baseline;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--rule);
}
.parts li::before {
  content: counter(part, upper-roman);
  font-variant-numeric: tabular-nums;
  color: var(--gold);
  font-size: 1.1rem;
  min-width: 2.2rem;
}
.parts li { grid-template-columns: 2.4rem 1fr auto; }
.parts .ptitle {
  font-size: 1.05rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.parts .elev {
  order: -1;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gold);
}
.parts .chs { color: var(--ink-soft); font-size: 0.85rem; white-space: nowrap; }

.cta-foot { text-align: center; margin: 3rem 0 1rem; }

.site-foot {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-align: center;
}
.site-foot p { margin: 0.4rem 0; }

/* =========================================================================
   READING VIEW
   ========================================================================= */

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--water); color: var(--paper); padding: 0.5rem 1rem;
}
.skip:focus { left: 0.5rem; top: 0.5rem; z-index: 100; }

.read-bar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  background: var(--paper-2);
  border-bottom: 1px solid var(--rule);
  padding: 0.6rem clamp(0.75rem, 3vw, 1.5rem);
  backdrop-filter: saturate(1.2) blur(4px);
}
.home-link { text-decoration: none; font-size: 0.95rem; color: var(--ink); }
.home-link:hover { color: var(--clay); }

.toc-toggle {
  font: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 0.35rem 0.9rem;
  border-radius: 3px;
  cursor: pointer;
}
.toc-toggle:hover { border-color: var(--clay); color: var(--clay); }

.toc {
  position: sticky;
  top: 3.2rem;
  z-index: 20;
  max-height: 70vh;
  overflow: auto;
  background: var(--paper-2);
  border-bottom: 1px solid var(--rule);
  padding: 1rem clamp(0.75rem, 3vw, 1.5rem) 1.5rem;
  display: none;
}
.toc.open { display: block; }
.toc-title {
  text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.72rem;
  color: var(--clay); margin: 0 0 0.5rem;
}
.toc ul { list-style: none; margin: 0; padding: 0; max-width: 40rem; }
.toc li { margin: 0.15rem 0; }
.toc a { text-decoration: none; }
.toc .toc-part a {
  display: block;
  margin-top: 0.9rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clay);
}
.toc .toc-chapter a { padding-left: 1rem; color: var(--ink-soft); }
.toc .toc-chapter a:hover { color: var(--clay); }

.book {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 5rem;
}

.book .book-title {
  text-align: center;
  font-size: clamp(2rem, 6vw, 3rem);
  margin: 1rem 0 0.5rem;
  letter-spacing: -0.01em;
}
.front-sub { text-align: center; font-weight: 400; color: var(--ink-soft); }

.book .part-head {
  text-align: center;
  margin: 4.5rem 0 0.3rem;
  font-size: 1.4rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clay);
}
.book .part-sub {
  text-align: center;
  font-weight: 400;
  color: var(--ink-soft);
  margin: 0.2rem 0;
  letter-spacing: 0.05em;
}
.book .part-sub + .part-sub { font-style: italic; }

.book .chapter-head {
  text-align: center;
  margin: 3.2rem 0 0.2rem;
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
/* the italic month/pool line right under each chapter head */
.chapter-head + p em,
.chapter-head + p {
  text-align: center;
}
.book .chapter-head + p {
  text-align: center;
  color: var(--ink-soft);
  font-style: italic;
  margin-top: 0.2rem;
  margin-bottom: 2rem;
}

.book p { margin: 0 0 1.15rem; }
/* first paragraph after a chapter intro: no indent; subsequent indented */
.book p + p {
  text-indent: 1.4em;
  margin-top: -0.3rem;
}

.book blockquote {
  margin: 1.5rem 0;
  padding-left: 1.1rem;
  border-left: 3px solid var(--gold);
  color: var(--ink-soft);
  font-style: italic;
}

.book hr.scene-break {
  border: none;
  text-align: center;
  margin: 2.2rem 0;
}
.book hr.scene-break::before {
  content: "\2766"; /* floral heart bullet, river-ornament feel */
  color: var(--clay);
  font-size: 1.2rem;
  letter-spacing: 0.5em;
}

.end-mark {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--clay);
  margin: 2.5rem 0;
}
.colophon, .backtop { text-align: center; font-size: 0.85rem; color: var(--ink-soft); }
.backtop a { text-decoration: none; }

/* =========================================================================
   RESPONSIVE
   ========================================================================= */

@media (max-width: 820px) {
  body { font-size: 1.06rem; }
  .parts li { grid-template-columns: 1.8rem 1fr; }
  .parts .chs { grid-column: 2; }
}

@media (min-width: 821px) {
  /* on wide screens, keep TOC toggled (off by default, user opens it) */
  .toc { top: 3.4rem; }
}