/* Crown and Compass — prototype design system.
   Implemented from the official Brand & Identity Field Manual (Claude design):
   Ink / Bone / Charcoal / Ember · Zilla Slab (display) + Spectral (body) + IBM Plex Mono (labels).
   Polished (impeccable pass): fluid section/gutter rhythm, reduced-motion, refined card + button
   states, prose-link affordance, on-dark leading, focus and anchor polish. Palette + type locked. */

@import url('https://fonts.googleapis.com/css2?family=Zilla+Slab:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Spectral:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* palette */
  --ink:#16130D;        /* primary text + the mark */
  --bone:#F1EBDC;       /* primary paper ground */
  --bone-2:#E7DEC9;     /* second paper tone (alt sections) */
  --charcoal:#2C2B29;   /* depth: blocks + quotes */
  --ember:#C0552A;      /* accent: labels + rules */
  --ember-dark:#A5451E; /* accent hover / on-bone label */
  --muted:#5b5445;      /* muted brown on bone */
  --muted-2:#6b6455;    /* mono-label muted on bone */
  --on-dark:#cfc7b3;    /* body text on dark */
  --on-dark-2:#c8c3b9;
  --on-dark-mute:#a9a396;
  --line:rgba(22,19,13,.16);   /* hairline on bone */
  --line-2:rgba(22,19,13,.10);
  --line-strong:rgba(22,19,13,.30); /* hairline, engaged (hover/active) */
  --line-dark:rgba(241,235,220,.2); /* hairline on dark */
  /* spacing — 4pt scale, named by relationship not value */
  --space-2xs:4px; --space-xs:8px; --space-sm:12px; --space-md:16px;
  --space-lg:24px; --space-xl:32px; --space-2xl:48px; --space-3xl:64px; --space-4xl:96px;
  /* type */
  --display:'Zilla Slab',Georgia,serif;
  --body:'Spectral',Georgia,serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  /* compat aliases (older screens reference these) */
  --bg-base:var(--bone); --bg-raise:var(--bone-2); --bg-card:var(--bone); --bg-card-hi:var(--bone-2);
  --bg-surface:var(--bone-2); --text:var(--ink); --text-primary:var(--ink); --text-muted:var(--muted); --text-faint:var(--muted-2);
  --accent:var(--ember); --accent-lt:var(--ember-dark); --accent-light:var(--ember-dark);
  --line-soft:var(--line-2); --border:var(--line); --border-soft:var(--line-2);
  --serif:var(--display); --sans:var(--body);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bone);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
::selection{background:var(--ember);color:var(--bone);}
a{color:var(--ember);text-decoration:none;}
a:hover{color:var(--ember-dark);}
img,svg{max-width:100%;}
main{position:relative;z-index:1;}
/* in-page anchors clear the 76px sticky header */
:where(section,h1,h2,h3,[id]){scroll-margin-top:96px;}
:where(a,button,input,textarea,select,[tabindex]):focus-visible{outline:2px solid var(--ember);outline-offset:2px;}

/* honor reduced-motion: kill smooth-scroll + collapse transitions/animations */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important;}
}

h1,h2,h3,h4{font-family:var(--display);color:var(--ink);line-height:1.04;letter-spacing:-.01em;margin:0;font-weight:700;text-wrap:balance;}
h1{font-size:clamp(2.6rem,6vw,4.1rem);}
h2{font-size:clamp(1.9rem,4vw,2.9rem);}
h3{font-size:1.5rem;font-weight:600;}
p{margin:0 0 1rem;}

/* layout — fluid gutters + section rhythm so spacing breathes up and compresses down */
.wrap{max-width:1160px;margin:0 auto;padding:0 clamp(20px,5vw,40px);position:relative;z-index:1;}
.narrow{max-width:760px;}
.section{padding:clamp(64px,9vw,108px) 0;}
.section.tight{padding:clamp(44px,6vw,64px) 0;}
/* grounds */
.bone{background:var(--bone);color:var(--ink);}
.bone2{background:var(--bone-2);color:var(--ink);}
.charcoal{background:var(--charcoal);color:var(--bone);}
.ink{background:var(--ink);color:var(--bone);}
.raise{background:var(--bone-2);}
.charcoal h1,.charcoal h2,.charcoal h3,.ink h1,.ink h2,.ink h3{color:var(--bone);}

/* mono eyebrow / label — the field-manual "bearing" */
.kicker{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.3em;text-transform:uppercase;color:var(--ember);margin:0 0 16px;}
.kicker-rule{display:flex;align-items:center;gap:14px;}
.kicker-rule::after{content:"";height:1px;width:34px;background:var(--ember);}
.index{font-family:var(--mono);font-size:12px;letter-spacing:.24em;color:var(--ember);text-transform:uppercase;}
.sec-head{max-width:660px;margin-bottom:clamp(32px,5vw,56px);}
.sec-sub{font-family:var(--body);color:var(--muted);font-size:19px;line-height:1.65;margin-top:16px;}
.charcoal .sec-sub,.ink .sec-sub{color:var(--on-dark-2);line-height:1.72;}
.lead{font-family:var(--body);font-size:clamp(19px,2.4vw,21px);line-height:1.65;color:var(--ink);}
.rule{width:60px;height:1px;background:var(--ember);margin:30px 0;}

/* buttons — square, slab, no radius */
.btn{display:inline-block;font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:.03em;padding:15px 28px;border:1.5px solid transparent;cursor:pointer;transition:background-color .2s,border-color .2s,color .2s,transform .08s ease;}
.btn:active{transform:translateY(1px);}
.btn:focus-visible{outline-offset:3px;}
.btn-amber,.btn-ember{background:var(--ember);color:var(--bone);}
.btn-amber:hover,.btn-ember:hover{background:var(--ember-dark);color:var(--bone);}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent;}
.btn-ghost:hover{border-color:var(--ink);}
.ink .btn-ghost,.charcoal .btn-ghost{border-color:rgba(241,235,220,.35);color:var(--bone);}
.ink .btn-ghost:hover,.charcoal .btn-ghost:hover{border-color:var(--bone);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* cards — sharp, hairline, field-manual */
.card{background:var(--bone);border:1px solid var(--line);border-radius:0;padding:38px 32px;transition:background .2s ease,border-color .2s ease;}
a.card,.card.hover{cursor:pointer;}
.card.hover:hover,a.card:hover{background:var(--bone-2);border-color:var(--line-strong);}
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);}
.grid > *{background:var(--bone);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media(max-width:860px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}
/* gapless card grid variant */
.tiles{display:grid;gap:16px;}
/* image + text split (no frame) — clean two columns; the image fills its side, text gets a comfortable measure */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,60px);align-items:center;}
.split > .imgph{align-self:stretch;}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:28px;}}
/* book covers: fill the placeholder block with real cover art, hide the text + spine */
.cover.has-cover{background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important;background-origin:border-box!important;}
.cover.has-cover>*{display:none!important;}
.cover.has-cover::before{content:none!important;display:none!important;}

/* tags / pills */
.tag{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ember);border:1px solid rgba(192,85,42,.4);padding:3px 10px;}
.pill{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);border:1px solid var(--line);padding:6px 14px;}

/* forms */
.field{margin-bottom:18px;}
.field label{display:block;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:8px;}
.field input,.field textarea,.field select{width:100%;background:#fbf7ec;border:1px solid var(--line);color:var(--ink);border-radius:0;padding:14px 16px;font-size:16px;font-family:var(--body);}
.field input:focus,.field textarea:focus{outline:2px solid var(--ember);outline-offset:-1px;border-color:var(--ember);}
.field textarea{min-height:96px;resize:vertical;}
.form-note{font-family:var(--mono);color:var(--muted-2);font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-top:10px;}

/* text helpers */
.muted{color:var(--muted);} .faint{color:var(--muted-2);}
.charcoal .muted,.ink .muted{color:var(--on-dark-2);}
.display{font-family:var(--display);} .body{font-family:var(--body);} .mono{font-family:var(--mono);}
.center{text-align:center;}
.prose{font-family:var(--body);font-size:19px;line-height:1.8;color:var(--muted);max-width:68ch;}
.prose p{margin:0 0 1.25rem;} .prose strong{color:var(--ink);}
.prose h2,.prose h3{color:var(--ink);margin:2.25rem 0 .75rem;}
.prose a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;text-decoration-color:rgba(192,85,42,.45);transition:text-decoration-color .2s,color .2s;}
.prose a:hover{color:var(--ember-dark);text-decoration-color:var(--ember-dark);}

/* header / footer chrome (shared) */
.site-header{position:sticky;top:0;z-index:30;background:var(--ink);color:var(--bone);border-bottom:1px solid var(--line-dark);}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:76px;}
.brand{display:flex;align-items:center;gap:13px;color:var(--bone);}
.brand:hover{color:var(--bone);}
.brand .emblem{height:40px;width:auto;color:var(--bone);}
.brand .name{font-family:var(--display);font-size:19px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;}
.nav{display:flex;align-items:center;gap:30px;}
.nav a{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--on-dark);transition:color .2s;white-space:nowrap;}
.nav a:hover,.nav a.active{color:var(--bone);}
.nav a.btn-nav{color:var(--ink);background:var(--ember);padding:11px 20px;}
.nav a.btn-nav:hover{background:var(--ember-dark);color:var(--bone);}
.nav-more{position:relative;display:flex;align-items:center;}
.nav-more>.more-btn{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--on-dark);background:none;border:0;cursor:pointer;padding:0;display:inline-flex;align-items:center;gap:7px;transition:color .2s;}
.nav-more:hover>.more-btn,.nav-more:focus-within>.more-btn,.more-btn.active{color:var(--bone);}
.nav-more::after{content:"";position:absolute;top:100%;left:-18px;right:-18px;height:18px;}
.nav-menu{position:absolute;top:calc(100% + 16px);right:0;min-width:214px;background:var(--charcoal);border:1px solid var(--line-dark);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s,transform .18s;box-shadow:0 18px 44px rgba(0,0,0,.42);z-index:40;}
.nav-more:hover .nav-menu,.nav-more:focus-within .nav-menu{opacity:1;visibility:visible;transform:translateY(0);}
.nav-menu a{display:block;padding:11px 22px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--on-dark);white-space:nowrap;}
.nav-menu a:hover{color:var(--bone);background:rgba(241,235,220,.06);}
@media(max-width:940px){.nav a:not(.btn-nav):not(.signin){display:none;}.nav-more{display:none;}}

.site-footer{background:var(--charcoal);color:var(--bone);padding:14px 0;}
.site-footer .brand img{height:22px!important;}
.site-footer .ft{display:flex;justify-content:space-between;align-items:center;gap:18px 24px;flex-wrap:wrap;}
.site-footer .name{font-family:var(--display);font-weight:700;font-size:17px;letter-spacing:.08em;text-transform:uppercase;}
.site-footer .ft-links{display:flex;gap:26px;flex-wrap:wrap;font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--on-dark-mute);}
.site-footer .ft-links a{color:var(--on-dark-mute);} .site-footer .ft-links a:hover{color:var(--bone);}
.site-footer .cr{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:rgba(241,235,220,.4);}

/* emblem placeholder (real logo-white.png / logo-ink.png drop in for the build) */
.emblem-ph{display:inline-flex;align-items:center;justify-content:center;color:currentColor;}
.emblem-ph svg{width:100%;height:100%;}

/* image placeholder — where atmospheric photos go */
.imgph{position:relative;background:var(--bone-2);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:220px;}
.imgph::after{content:"IMAGE · " attr(data-label);position:absolute;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);padding:0 18px;text-align:center;}
.imgph.dark{background:var(--ink);color:var(--on-dark-mute);}
.imgph.dark::after{color:var(--on-dark-mute);}
.imgph.filled{border-color:transparent;background-color:var(--ink);}
.imgph.filled::after{content:none;}

/* prototype banner */
.proto-banner{background:var(--ember);color:var(--bone);font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;text-align:center;padding:8px 12px;position:relative;z-index:40;}
.proto-banner a{color:var(--bone);text-decoration:underline;}