/* The Resonance Library - shared stylesheet. Visual identity variables defined once here. */

:root{
  --field:#0A0B0F;
  --field-raised:#111319;
  --gold:#B8860B;
  --gold-bright:#D9A536;
  --ink:#EDEBE3;
  --ink-muted:#C8C8D8;
  --ink-faint:#7A7C86;
  --hair:rgba(184,134,11,0.22);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--field);
  color:var(--ink);
  font-family:'EB Garamond', Georgia, serif;
  line-height:1.75;
  font-size:19px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--gold-bright);}
.wrap{max-width:640px;margin:0 auto;padding:0 24px;}
.wrap-wide{max-width:900px;margin:0 auto;padding:0 24px;}

/* NAV */
nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(10,11,15,0.9);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--hair);
}
nav .wrap-wide{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:18px;padding-bottom:18px;
}
.mark{
  display:flex;align-items:center;gap:10px;
  font-family:'Montserrat',sans-serif;font-weight:300;letter-spacing:0.3em;
  font-size:12px;text-transform:uppercase;color:var(--gold-bright);text-decoration:none;
}
.mark svg,.mark img{width:16px;height:16px;opacity:0.9;object-fit:contain;}
.navlinks{display:flex;align-items:center;gap:32px;font-family:'Montserrat',sans-serif;font-size:12px;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-muted);}
.navlinks a{text-decoration:none;transition:color .2s;color:var(--ink-muted);}
.navlinks a:hover{color:var(--gold-bright);}
.back-link{
  font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.12em;text-transform:uppercase;
  color:var(--ink-faint);text-decoration:none;
}
.nav-toggle{
  display:none;background:none;border:1px solid var(--hair);border-radius:2px;
  color:var(--ink-muted);font-size:20px;line-height:1;padding:6px 12px;cursor:pointer;
}
@media (max-width:640px){
  .nav-toggle{display:block;}
  .navlinks{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(10,11,15,0.97);border-bottom:1px solid var(--hair);
    padding:8px 24px 20px;
  }
  .navlinks.open{display:flex;}
  .navlinks a{padding:12px 0;width:100%;}
}

/* HERO (homepage) */
.hero{
  min-height:100vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;
  padding:140px 28px 80px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 50% at 50% 40%, rgba(184,134,11,0.10), transparent 70%);
  pointer-events:none;
}
.hero-mark{width:64px;height:64px;margin-bottom:36px;opacity:0.95;object-fit:contain;}
.eyebrow{
  font-family:'Montserrat',sans-serif;
  font-size:11px;letter-spacing:0.35em;text-transform:uppercase;
  color:var(--ink-faint);
  margin-bottom:28px;
}
.foundation{
  font-size:clamp(26px, 4vw, 42px);
  font-weight:700;
  max-width:760px;
  color:var(--ink);
  letter-spacing:0.01em;
}
.hero-sub{
  margin-top:22px;
  color:var(--ink-muted);
  font-size:19px;
  max-width:520px;
}
.hero-actions{margin-top:40px;display:flex;gap:18px;flex-wrap:wrap;justify-content:center;}
.btn{
  font-family:'Montserrat',sans-serif;font-size:12px;letter-spacing:0.12em;text-transform:uppercase;
  padding:16px 30px;border-radius:2px;text-decoration:none;transition:background .2s, color .2s, border-color .2s;
  display:inline-block;
}
.btn-primary{background:var(--gold);color:#0A0B0F;border:1px solid var(--gold);}
.btn-primary:hover{background:var(--gold-bright);border-color:var(--gold-bright);}
.btn-secondary{background:transparent;color:var(--ink-muted);border:1px solid var(--hair);}
.btn-secondary:hover{color:var(--gold-bright);border-color:var(--gold-bright);}

/* SECTION LABEL */
.section{padding:100px 0;}
.section-label{
  font-family:'Montserrat',sans-serif;
  font-size:11px;letter-spacing:0.3em;text-transform:uppercase;
  color:var(--gold);
  margin-bottom:14px;
}
.section-title{
  font-size:clamp(22px,3vw,30px);
  font-weight:400;
  margin-bottom:48px;
  max-width:600px;
}
hr.hair{border:none;border-top:1px solid var(--hair);}

/* START HERE */
.steps{display:flex;flex-direction:column;gap:0;}
.step{
  display:grid;grid-template-columns:60px 1fr;gap:20px;
  padding:26px 0;border-top:1px solid var(--hair);
}
.steps .step:last-child{border-bottom:1px solid var(--hair);}
.step-num{
  font-family:'Montserrat',sans-serif;font-size:12px;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--gold);
}
.step-title{font-size:19px;margin-bottom:6px;}
.step-title a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--hair);}
.step-title a:hover{color:var(--gold-bright);border-color:var(--gold-bright);}
.step-link{font-family:'Montserrat',sans-serif;font-size:12px;color:var(--ink-faint);}

/* BOOKS GRID (homepage + library index) */
.books{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
}
@media (max-width:800px){.books{grid-template-columns:1fr;gap:56px;}}
.book{display:flex;flex-direction:column;gap:16px;}
.cover{
  aspect-ratio:1600/2560;
  background:linear-gradient(180deg,#111319 0%,#0A0B0F 100%);
  border:1px solid var(--hair);
  border-radius:2px;
  overflow:hidden;
}
.cover img{width:100%;height:100%;object-fit:cover;display:block;}
.book-question{font-style:italic;color:var(--ink-muted);font-size:16px;}
.book-title{font-size:22px;line-height:1.25;color:var(--ink);}
.book-hook{font-size:16px;color:var(--ink-muted);}
.book-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:4px;}
.book-cta{
  font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.14em;text-transform:uppercase;
  color:var(--gold-bright);text-decoration:none;
  border-bottom:1px solid transparent;
  width:fit-content;
  transition:border-color .2s;
}
.book-cta:hover{border-color:var(--gold-bright);}
.book-cta.primary{
  background:var(--gold);color:#0A0B0F;padding:12px 22px;border-radius:2px;border-bottom:none;
}
.book-cta.primary:hover{background:var(--gold-bright);}

/* SIGNALS CARDS (homepage + library index) */
.signal-cards{display:flex;flex-direction:column;}
.signal-card{display:block;padding:30px 0;border-top:1px solid var(--hair);text-decoration:none;color:inherit;}
.signal-cards .signal-card:last-child{border-bottom:1px solid var(--hair);}
.signal-card-date{font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold);margin-bottom:10px;}
.signal-card-title{font-size:24px;margin-bottom:10px;transition:color .2s;}
.signal-card:hover .signal-card-title{color:var(--gold-bright);}
.signal-card-excerpt{color:var(--ink-muted);font-size:17px;}

/* COMING SOON (library index placeholder rows) */
.coming-soon-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 0;border-top:1px solid var(--hair);
  font-family:'Montserrat',sans-serif;font-size:13px;letter-spacing:0.1em;text-transform:uppercase;
}
.coming-soon-row:last-child{border-bottom:1px solid var(--hair);}
.coming-soon-row span:first-child{color:var(--ink-muted);}
.coming-soon-row span:last-child{color:var(--ink-faint);font-size:11px;}

/* ABOUT BODY */
.about-body{max-width:620px;font-size:19px;color:var(--ink-muted);}
.about-body p{margin-bottom:22px;}
.about-body p:last-child{color:var(--ink);}

/* JOIN / NEWSLETTER FORM */
.newsletter{
  background:var(--field-raised);
  border-top:1px solid var(--hair);
  border-bottom:1px solid var(--hair);
  padding:90px 0;
  text-align:center;
}
.newsletter .section-title{margin:0 auto 12px;}
.newsletter p{color:var(--ink-faint);font-size:16px;max-width:460px;margin:0 auto 36px;}
form.signup{
  display:flex;gap:0;max-width:520px;margin:0 auto;
  border:1px solid var(--hair);
  border-radius:2px;
  overflow:hidden;
  flex-wrap:wrap;
}
form.signup input{
  flex:1;
  background:transparent;
  border:none;
  padding:16px 18px;
  color:var(--ink);
  font-family:'Montserrat',sans-serif;
  font-size:14px;
  outline:none;
  min-width:140px;
}
form.signup input::placeholder{color:var(--ink-faint);}
form.signup button{
  background:var(--gold);
  border:none;
  padding:0 26px;
  color:#0A0B0F;
  font-family:'Montserrat',sans-serif;
  font-size:12px;letter-spacing:0.12em;text-transform:uppercase;
  cursor:pointer;
  transition:background .2s;
}
form.signup button:hover{background:var(--gold-bright);}
form.signup button:disabled{opacity:0.5;cursor:not-allowed;}
@media (max-width:480px){form.signup{flex-direction:column;border:none;gap:12px;}
  form.signup input,form.signup button{border:1px solid var(--hair);border-radius:2px;}}
.signup-note{margin-top:16px;font-size:12px;color:var(--ink-faint);font-family:'Montserrat',sans-serif;}
.signup-confirmation{
  margin-top:20px;font-family:'Montserrat',sans-serif;font-size:14px;letter-spacing:0.03em;
  color:var(--gold-bright);display:none;
}
.signup-confirmation.visible{display:block;}
.signup-error{
  margin-top:20px;font-family:'Montserrat',sans-serif;font-size:13px;
  color:var(--ink-faint);display:none;
}
.signup-error.visible{display:block;}

/* COVENANT (footer, every page) */
.covenant{max-width:640px;margin:0 auto;padding:60px 24px 0;border-top:1px solid var(--hair);}
.covenant-label{
  font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.25em;text-transform:uppercase;
  color:var(--gold);margin-bottom:24px;text-align:center;
}
.covenant p{color:var(--ink-muted);font-size:16px;margin-bottom:16px;}
.covenant p:last-child{margin-bottom:0;}

/* FOOTER */
footer{padding:50px 0 60px;text-align:center;}
.footer-mark-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:20px;}
.footer-mark-row img{width:16px;height:16px;opacity:0.85;object-fit:contain;}
.footer-navlinks{
  display:flex;gap:24px;justify-content:center;margin-bottom:26px;
  font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-muted);
}
.footer-navlinks a{color:var(--ink-muted);text-decoration:none;}
.footer-navlinks a:hover{color:var(--gold-bright);}
.footer-foundation{font-size:16px;color:var(--ink-muted);max-width:440px;margin:26px auto 20px;}
.footer-foundation em{font-style:italic;color:var(--gold-bright);}
.footer-meta{
  font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.06em;color:var(--ink-faint);
}
.footer-meta a{color:var(--ink-faint);}

/* BOOK HERO (book pages) */
.chapter-header{padding:150px 0 60px;text-align:center;}
.book-hero{
  padding:150px 0 80px;
  max-width:900px;margin:0 auto;padding-left:24px;padding-right:24px;
  display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:center;
}
@media (max-width:640px){.book-hero{grid-template-columns:1fr;text-align:center;padding-top:130px;}}
.book-hero-cover{aspect-ratio:1600/2560;border:1px solid var(--hair);border-radius:2px;overflow:hidden;}
.book-hero-cover img{width:100%;height:100%;object-fit:cover;display:block;}
.book-hero-question{font-style:italic;color:var(--ink-muted);font-size:16px;margin-bottom:14px;}
.book-hero-eyebrow{font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.3em;text-transform:uppercase;color:var(--gold);margin-bottom:14px;}
.book-hero-title{font-size:clamp(26px,4vw,36px);font-weight:400;margin-bottom:16px;}
.book-hero-hook{color:var(--ink-muted);font-size:18px;margin-bottom:22px;}
.book-hero-status{font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-faint);}
.book-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px;}
@media (max-width:640px){.book-hero-actions{justify-content:center;}}

/* BOOK MEDIA STRIP */
.book-media{max-width:900px;margin:0 auto 90px;padding:40px 24px 0;border-top:1px solid var(--hair);}
.book-media-label{font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.25em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:24px;}
.book-media-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
@media (max-width:640px){.book-media-grid{grid-template-columns:1fr;}}
.media-card{border:1px solid var(--hair);background:var(--field-raised);border-radius:2px;overflow:hidden;}
.media-frame{aspect-ratio:16/9;background:#000;display:flex;align-items:center;justify-content:center;position:relative;}
.media-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.media-placeholder{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--ink-faint);font-family:'Montserrat',sans-serif;}
.play-ring{width:36px;height:36px;border-radius:50%;border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;}
.play-ring::after{content:"";width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid var(--gold);margin-left:2px;}
.media-meta{padding:16px 18px 18px;}
.media-title{font-size:16px;margin-bottom:6px;}
.media-disclosure{font-family:'Montserrat',sans-serif;font-size:10px;color:var(--ink-faint);line-height:1.5;}
.audio-native{background:var(--field-raised);padding:16px 18px;border-radius:2px;}
.audio-native audio{
  width:100%;display:block;border-radius:20px;
  accent-color:var(--gold);
  filter:invert(90%) hue-rotate(180deg) brightness(0.9) contrast(1.05);
}

/* CHAT PANEL */
.chat-panel{border:1px solid var(--hair);background:var(--field-raised);border-radius:2px;padding:20px;}
.chat-log{display:flex;flex-direction:column;gap:14px;margin-bottom:16px;max-height:400px;overflow-y:auto;}
.chat-msg{font-size:15px;line-height:1.6;white-space:pre-line;}
.chat-msg.user{color:var(--ink-muted);}
.chat-msg.assistant{color:var(--ink);}
.chat-notice{font-family:'Montserrat',sans-serif;font-size:11px;color:var(--gold);margin-top:4px;}
.chat-input-row{display:flex;gap:10px;}
#chat-input{flex:1;background:transparent;border:1px solid var(--hair);border-radius:2px;padding:10px 14px;color:var(--ink);font-family:'EB Garamond',Georgia,serif;font-size:15px;outline:none;}
#chat-send{background:var(--gold);border:none;padding:0 20px;color:#0A0B0F;font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.12em;text-transform:uppercase;cursor:pointer;border-radius:2px;}
#chat-send:hover{background:var(--gold-bright);}
#chat-send:disabled{opacity:0.4;cursor:not-allowed;}

/* RELATED */
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
.related-card{
  display:block;border:1px solid var(--hair);background:var(--field-raised);border-radius:2px;
  padding:20px;text-decoration:none;color:inherit;transition:border-color .2s;
}
.related-card:hover{border-color:var(--gold-bright);}
.related-card-kind{font-family:'Montserrat',sans-serif;font-size:10px;letter-spacing:0.2em;text-transform:uppercase;color:var(--gold);margin-bottom:8px;}
.related-card-title{font-size:17px;color:var(--ink);}

/* CHAPTER CONTENT (book pages) */
.chapter-divider{
  max-width:640px;margin:0 auto;padding:0 24px 40px;
  text-align:center;font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.2em;text-transform:uppercase;color:var(--gold);
}
.chapter-num{
  font-family:'Montserrat',sans-serif;font-size:12px;letter-spacing:0.35em;text-transform:uppercase;
  color:var(--gold);margin-bottom:14px;
}
.chapter-title{font-size:clamp(28px,4vw,38px);font-weight:400;}
main p{margin-bottom:22px;}
.subhead{font-style:italic;color:var(--gold-bright);font-weight:400;font-size:22px;margin:44px 0 20px;}
.callout{border:1px solid var(--hair);background:var(--field-raised);border-radius:2px;padding:24px 26px;margin:32px 0;}
.callout p{font-size:17px;margin-bottom:14px;}
.callout p:last-child{margin-bottom:0;}
.callout-label{
  font-family:'Montserrat',sans-serif;font-size:10px;letter-spacing:0.2em;text-transform:uppercase;
  color:var(--gold);margin-bottom:12px;
}
.callout.science{border-left:2px solid var(--gold);}
.callout.tip{border-left:2px solid var(--gold);}
.callout.dialogue{background:transparent;border:none;border-left:2px solid var(--hair);padding:4px 0 4px 22px;margin:20px 0;}
.callout.dialogue .callout-label{color:var(--ink-faint);}
.callout.dialogue p{font-style:italic;color:var(--ink-muted);font-size:17px;}
.divider{text-align:center;color:var(--gold);letter-spacing:0.4em;font-size:12px;margin:48px 0;opacity:0.6;}
.chapter-cta{margin:70px 0 40px;padding:48px 0;border-top:1px solid var(--hair);text-align:center;}
.chapter-cta h2{font-size:24px;font-weight:400;margin-bottom:14px;}
.chapter-cta p{color:var(--ink-faint);font-size:16px;margin-bottom:0;}
.chapter-cta a{color:var(--gold-bright);}

/* SIGNAL PAGES */
.post-header{padding:150px 0 50px;text-align:center;}
.post-title{font-size:clamp(28px,4vw,38px);font-weight:400;}
main p.transmission{font-style:italic;color:var(--gold-bright);text-align:center;margin:44px 0;font-size:21px;}
.signal-cta{margin:70px 0 40px;padding:48px 0;border-top:1px solid var(--hair);text-align:center;}
.signal-cta h2{font-size:22px;font-weight:400;margin-bottom:14px;}
.signal-cta p{color:var(--ink-faint);font-size:16px;margin-bottom:0;}

/* COVERS GALLERY */
.gallery{padding-bottom:60px;display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
@media (max-width:700px){.gallery{grid-template-columns:1fr;}}
.cover-tile{
  display:block;position:relative;border:1px solid var(--hair);border-radius:2px;overflow:hidden;
  aspect-ratio:3/2;margin-bottom:0;
}
.cover-tile img{width:100%;height:100%;object-fit:cover;display:block;filter:brightness(0.75) saturate(1.05);transition:filter .3s, transform .4s;}
.cover-tile:hover img{filter:brightness(0.95) saturate(1.1);transform:scale(1.03);}
.tile-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:28px 30px;
  background:linear-gradient(180deg,transparent 0%,rgba(10,11,15,0.9) 85%);
}
.tile-book{font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:0.2em;text-transform:uppercase;color:var(--gold);margin-bottom:8px;}
.tile-title{font-size:24px;margin-bottom:6px;}
.tile-teaser{font-style:italic;color:var(--ink-muted);font-size:15px;}

/* ABOUT PAGE specifics */
.mythology-block{
  border-left:2px solid var(--gold);padding-left:26px;margin:40px 0;
  font-style:italic;color:var(--ink-muted);font-size:18px;
}
.mythology-mark{width:48px;height:48px;display:block;margin:0 auto 30px;opacity:0.9;object-fit:contain;}
.about-divider{border:none;border-top:1px solid var(--hair);margin:60px 0;}
.contact-line{font-family:'Montserrat',sans-serif;font-size:14px;color:var(--ink-muted);margin-top:20px;}

/* PLACEHOLDER (coming soon) ROUTES */
.placeholder-page{
  min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:40px 24px;
}
.placeholder-page p{color:var(--ink-muted);margin-top:16px;}
.placeholder-page a{margin-top:28px;display:inline-block;}