/* =========================================================
   ANCESTRAL EDITIONS — design tokens
   Concept: a field journal that grows from root to constellation.
   Deep forest ink grounds the page; a line of copper light
   traces the idea that earth-knowledge and sky-knowledge are
   the same knowledge, seen at different scales.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=Work+Sans:wght@300;400;500;600&family=Space+Mono:wght@400;700&display=swap');

:root{
  /* color */
  --ink:        #12201A;   /* page background — deep forest ink */
  --ink-alt:    #192A22;   /* alternate section background */
  --parchment:  #E9E2CF;   /* primary text — aged parchment */
  --moss:       #8FA07C;   /* secondary text / quiet accent */
  --copper:     #C17A45;   /* signature accent — traced light */
  --copper-dim: #8A5A34;
  --line:       rgba(233,226,207,0.14); /* hairline dividers */

  /* type */
  --display: 'Fraunces', serif;
  --body:    'Work Sans', sans-serif;
  --mono:    'Space Mono', monospace;

  /* layout */
  --max: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --radius: 2px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--ink);
  color:var(--parchment);
  font-family:var(--body);
  font-weight:400;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:500;
  line-height:1.08;
  margin:0 0 0.5em;
  letter-spacing:-0.01em;
}

a{ color:inherit; text-decoration:none; }
img,svg{ display:block; max-width:100%; }

.eyebrow{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--copper);
}

.container{
  max-width:var(--max);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--copper);
  outline-offset:3px;
}

/* =========================================================
   NAV
   ========================================================= */
.site-nav{
  position:sticky; top:0; z-index:50;
  background:rgba(18,32,26,0.86);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-nav .container{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.wordmark{
  font-family:var(--display);
  font-size:1.15rem;
  letter-spacing:0.02em;
}
.wordmark span{ color:var(--copper); }
.nav-links{ display:flex; gap:2.25rem; align-items:center; }
.nav-links a{
  font-family:var(--mono);
  font-size:0.74rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--moss);
  transition:color .2s ease;
  padding:0.4rem 0;
  border-bottom:1px solid transparent;
}
.nav-links a:hover, .nav-links a.active{ color:var(--parchment); border-color:var(--copper); }
.nav-links a.cta{
  color:var(--ink); background:var(--copper);
  padding:0.55rem 1rem; border-radius:var(--radius);
}
.nav-links a.cta:hover{ background:var(--parchment); border-color:transparent; }

.nav-toggle{ display:none; background:none; border:0; color:var(--parchment); }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  padding:6.5rem 0 5rem;
  overflow:hidden;
}
.hero .container{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:3rem;
  align-items:center;
}
.hero-copy .eyebrow{ margin-bottom:1.1rem; }
.hero h1{
  font-size:clamp(2.4rem, 5vw, 4rem);
  color:var(--parchment);
}
.hero h1 em{
  font-style:italic;
  color:var(--copper);
}
.hero p.lede{
  font-size:1.05rem;
  color:var(--moss);
  max-width:34ch;
  margin:1.25rem 0 2rem;
}
.btn-row{ display:flex; gap:1rem; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:0.5rem;
  font-family:var(--mono); font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase;
  padding:0.9rem 1.5rem;
  border-radius:var(--radius);
  transition:all .2s ease;
  border:1px solid var(--copper);
}
.btn-primary{ background:var(--copper); color:var(--ink); }
.btn-primary:hover{ background:var(--parchment); border-color:var(--parchment); }
.btn-ghost{ color:var(--parchment); border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--copper); color:var(--copper); }

.hero-figure{ position:relative; aspect-ratio:1/1.1; }
.hero-figure svg{ width:100%; height:100%; }

/* the signature line: root grows upward, resolves into stars */
.root-line{
  fill:none; stroke:var(--copper); stroke-width:1.4;
  stroke-dasharray:900; stroke-dashoffset:900;
  animation:draw 2.6s ease forwards 0.2s;
}
.root-line-2{
  fill:none; stroke:var(--moss); stroke-width:1; opacity:0.55;
  stroke-dasharray:700; stroke-dashoffset:700;
  animation:draw 2.6s ease forwards 0.5s;
}
.star{ fill:var(--parchment); opacity:0; animation:twinkle 0.6s ease forwards; }
@keyframes draw{ to{ stroke-dashoffset:0; } }
@keyframes twinkle{ to{ opacity:1; } }
@media (prefers-reduced-motion: reduce){
  .root-line,.root-line-2{ stroke-dashoffset:0; animation:none; }
  .star{ opacity:1; animation:none; }
}

/* =========================================================
   SECTION scaffolding
   ========================================================= */
section{ padding:5.5rem 0; }
.section-alt{ background:var(--ink-alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head{ max-width:56ch; margin-bottom:3rem; }
.section-head h2{ font-size:clamp(1.7rem,3vw,2.4rem); color:var(--parchment); }
.section-head p{ color:var(--moss); margin-top:0.75rem; }

/* divider motif — reused “root to constellation” hairline */
.motif-divider{ width:100%; height:34px; opacity:0.5; margin:0 0 3rem; }
.motif-divider path{ stroke:var(--copper); stroke-width:1; fill:none; }
.motif-divider circle{ fill:var(--moss); }

/* =========================================================
   ABOUT strip
   ========================================================= */
.about-grid{
  display:grid; grid-template-columns:0.85fr 1.15fr; gap:3.5rem; align-items:start;
}
.about-grid blockquote{
  font-family:var(--display); font-style:italic; font-weight:400;
  font-size:1.5rem; color:var(--parchment); line-height:1.4; margin:0;
  border-left:2px solid var(--copper); padding-left:1.5rem;
}
.about-body p{ color:var(--moss); margin:0 0 1.1rem; max-width:56ch; }
.about-body p:last-child{ margin-bottom:0; }

/* =========================================================
   PILLARS
   ========================================================= */
.pillars{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.pillar{ background:var(--ink); padding:2.5rem 2rem; }
.pillar .eyebrow{ display:block; margin-bottom:1rem; }
.pillar h3{ font-size:1.2rem; color:var(--parchment); margin-bottom:0.6rem; }
.pillar p{ color:var(--moss); font-size:0.94rem; margin:0; }

/* =========================================================
   FEATURED BOOKS (home strip)
   ========================================================= */
.book-row{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1.75rem;
}

/* =========================================================
   BOOK / SPECIMEN CARD (shared with catalog)
   ========================================================= */
.book-card{
  display:flex; flex-direction:column;
  border:1px solid var(--line);
  background:var(--ink-alt);
  transition:border-color .2s ease, transform .2s ease;
}
.book-card:hover{ border-color:var(--copper-dim); transform:translateY(-3px); }
.book-cover{
  aspect-ratio:3/4;
  position:relative;
  display:flex; align-items:flex-end;
  padding:1.1rem;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.book-cover svg{ position:absolute; inset:0; width:100%; height:100%; opacity:0.5; }
.book-cover svg path, .book-cover svg circle{ fill:none; stroke:var(--copper); stroke-linecap:round; stroke-linejoin:round; }
.book-cover img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.book-cover .vol{
  position:relative; z-index:1;
  font-family:var(--mono); font-size:0.7rem; letter-spacing:0.1em;
  color:var(--parchment); background:rgba(18,32,26,0.55);
  padding:0.25rem 0.5rem;
}
.book-info{ padding:1.25rem 1.25rem 1.5rem; display:flex; flex-direction:column; gap:0.5rem; flex:1; }
.book-tag{ font-family:var(--mono); font-size:0.68rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--copper); }
.book-info h3{ font-size:1.08rem; color:var(--parchment); margin:0; }
.book-info .author{ font-size:0.86rem; color:var(--moss); font-style:italic; margin:0; }
.book-info .synopsis{ font-size:0.88rem; color:var(--moss); margin:0.35rem 0 0; line-height:1.55; }

/* =========================================================
   CATALOG page
   ========================================================= */
.catalog-toolbar{
  display:flex; flex-wrap:wrap; gap:0.6rem;
  margin-bottom:2.75rem;
}
.filter-chip{
  font-family:var(--mono); font-size:0.72rem; letter-spacing:0.06em; text-transform:uppercase;
  padding:0.5rem 0.95rem; border:1px solid var(--line); border-radius:999px;
  color:var(--moss); background:transparent; cursor:pointer; transition:all .2s ease;
}
.filter-chip:hover{ border-color:var(--copper-dim); color:var(--parchment); }
.filter-chip.active{ background:var(--copper); border-color:var(--copper); color:var(--ink); }
.catalog-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1.75rem;
}
.catalog-grid .book-card[hidden]{ display:none; }

/* =========================================================
   SUBMIT page (ledger note)
   ========================================================= */
.ledger-note{ color:var(--moss); }
.ledger-note ol{ padding-left:1.2rem; margin:1.5rem 0 0; }
.ledger-note li{ margin-bottom:0.9rem; font-size:0.94rem; }
.ledger-note strong{ color:var(--parchment); font-weight:500; }

/* =========================================================
   NEWSLETTER strip
   ========================================================= */
.newsletter{ text-align:center; }
.newsletter h2{ font-size:clamp(1.6rem,3vw,2.2rem); }
.newsletter p{ color:var(--moss); max-width:44ch; margin:0.75rem auto 2rem; }
.newsletter form{ display:flex; gap:0.75rem; justify-content:center; max-width:440px; margin:0 auto; flex-wrap:wrap; }
.newsletter input[type=email]{
  flex:1; min-width:220px; background:var(--ink-alt); border:1px solid var(--line); color:var(--parchment);
  padding:0.85rem 1rem; border-radius:var(--radius); font-family:var(--body);
}
.newsletter input[type=email]:focus{ border-color:var(--copper); outline:none; }

/* =========================================================
   FOOTER
   ========================================================= */
footer{ padding:3.5rem 0 2.5rem; border-top:1px solid var(--line); }
.footer-grid{ display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:2rem; }
.footer-brand .wordmark{ margin-bottom:0.75rem; }
.footer-brand p{ color:var(--moss); font-size:0.85rem; max-width:32ch; margin:0; }
.footer-links{ display:flex; gap:3rem; flex-wrap:wrap; }
.footer-col h4{ font-family:var(--mono); font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--moss); margin-bottom:0.9rem; font-weight:400; }
.footer-col a{ display:block; font-size:0.88rem; color:var(--parchment); margin-bottom:0.6rem; opacity:0.85; }
.footer-col a:hover{ color:var(--copper); opacity:1; }
.footer-bottom{ margin-top:3rem; padding-top:1.5rem; border-top:1px solid var(--line); font-family:var(--mono); font-size:0.7rem; color:var(--moss); letter-spacing:0.04em; }

/* =========================================================
   scroll reveal
   ========================================================= */
.reveal{ opacity:0; transform:translateY(16px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 860px){
  .nav-links{
    position:fixed; inset:76px 0 auto 0; background:var(--ink);
    flex-direction:column; align-items:flex-start; gap:0;
    border-bottom:1px solid var(--line);
    transform:translateY(-110%); transition:transform .25s ease;
    padding:0.5rem var(--gutter) 1.25rem;
  }
  .nav-links.open{ transform:translateY(0); }
  .nav-links a{ width:100%; padding:0.9rem 0; border-bottom:1px solid var(--line); }
  .nav-links a.cta{ margin-top:0.75rem; text-align:center; }
  .nav-toggle{ display:block; }

  .hero .container{ grid-template-columns:1fr; }
  .hero-figure{ order:-1; max-width:280px; margin:0 auto; }

  .about-grid{ grid-template-columns:1fr; }
  .pillars{ grid-template-columns:1fr; }
  .book-row, .catalog-grid{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ flex-direction:column; }
}
@media (max-width: 560px){
  .book-row, .catalog-grid{ grid-template-columns:1fr; }
}