:root{
  --ink:#201c17;
  --ink-soft:#5b5144;
  --paper:#f0e4c8;
  --paper-2:#e8d8b3;
  --paper-3:#d9c59b;
  --red:#9b372d;
  --red-dark:#74271f;
  --night:#10100f;
  --rule:rgba(65,49,31,.35);
  --shadow:rgba(0,0,0,.35);
  --serif: Georgia, 'Times New Roman', serif;
  --type:'Courier New', Courier, monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:#0d0d0c;
  color:var(--ink);
  font-family:var(--serif);
  line-height:1.5;
}
a{color:inherit}
img,video{max-width:100%;display:block}

.site-header{
  min-height:92px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
  padding:16px clamp(24px,4vw,56px) 12px;
  color:#eee2c9;
  background:
    linear-gradient(rgba(5,5,5,.84),rgba(5,5,5,.84)),
    repeating-linear-gradient(0deg,rgba(255,255,255,.018) 0 1px,transparent 1px 3px),
    #12110f;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand{text-decoration:none;text-transform:uppercase;letter-spacing:.12em}
.brand-title{display:block;font:700 clamp(1.45rem,2.8vw,2.35rem)/1 var(--type)}
.brand-sub{display:block;margin-top:.45rem;color:#c64c3d;font:700 .82rem/1 var(--type);letter-spacing:.22em}
.site-nav{display:flex;gap:2rem;flex-wrap:wrap;font:700 .82rem/1 var(--type);text-transform:uppercase}
.site-nav a{text-decoration:none;opacity:.92}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:#d05242}

.book-shell{
  width:min(1400px,calc(100% - 24px));
  margin:0 auto 18px;
  display:grid;
  grid-template-columns:238px minmax(0,1fr);
  background:var(--paper);
  border:1px solid #5b4b38;
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 18px 55px rgba(0,0,0,.42);
}
.paper{
  background-color:var(--paper);
  background-image:
    radial-gradient(circle at 18% 10%,rgba(130,92,42,.08),transparent 18rem),
    radial-gradient(circle at 85% 65%,rgba(110,77,34,.055),transparent 22rem),
    repeating-linear-gradient(0deg,rgba(61,44,25,.018) 0 1px,transparent 1px 4px),
    repeating-linear-gradient(90deg,rgba(61,44,25,.012) 0 1px,transparent 1px 6px);
}

.sidebar{
  position:relative;
  min-height:calc(100vh - 110px);
  border-right:1px solid rgba(82,60,37,.35);
  padding:29px 0 0;
  background:
    linear-gradient(90deg,transparent 88%,rgba(64,45,25,.08)),
    rgba(230,214,180,.30);
  box-shadow:inset -12px 0 24px -22px #000;
}
.contents-title{
  margin:0 22px 18px;
  text-align:center;
  color:var(--red);
  font:700 .92rem/1.2 var(--type);
  text-transform:uppercase;
  letter-spacing:.04em;
}
.contents-title::before{content:'≡  ';color:#4c4339}.contents-title::after{content:'  ≡';color:#4c4339}
.sidebar-seal{
  width:64px;height:64px;border:1px solid rgba(90,70,44,.22);border-radius:50%;
  margin:0 auto 22px;display:grid;place-items:center;color:rgba(98,75,46,.35);font:700 1.8rem var(--type);
}
.chapter-list{list-style:none;margin:0;padding:0}
.chapter-list li{border-top:1px solid rgba(99,77,49,.16)}
.chapter-list li:last-child{border-bottom:1px solid rgba(99,77,49,.16)}
.chapter-list a{position:relative;display:grid;grid-template-columns:28px 1fr;gap:4px;padding:10px 22px;text-decoration:none;font-size:.86rem}
.chapter-list .num{font:400 .74rem var(--type);color:#6b6156}
.chapter-list li.current a{color:var(--red);font-weight:700}
.chapter-list li.current a::before{content:'▶';position:absolute;left:8px;top:12px;font-size:.58rem}
.location-stamp{
  margin:250px 22px 0;
  border:1px solid rgba(156,55,45,.38);
  padding:12px 8px;
  color:var(--red);
  text-align:center;
  font:700 .72rem/1.6 var(--type);
  text-transform:uppercase;
  transform:rotate(-.35deg);
  background:rgba(255,255,255,.07)
}
.sidebar-photo{
  height:320px;margin-top:50px;
  background:
    linear-gradient(to top,rgba(42,32,20,.18),rgba(42,32,20,.02)),
    url('../images/sidebar-berkeley.svg') center bottom/cover no-repeat;
  opacity:.76;
  filter:sepia(.35) contrast(.92);
}

.chapter-main{min-width:0;padding:34px clamp(38px,5vw,76px) 22px}
.kicker{display:flex;align-items:center;justify-content:center;gap:12px;color:var(--red);font:700 .82rem var(--type);text-transform:uppercase;letter-spacing:.06em}
.kicker::before,.kicker::after{content:'';width:56px;height:1px;background:rgba(156,55,45,.45)}
.chapter-title{margin:8px 0 10px;text-align:center;font:700 clamp(2.2rem,5vw,4rem)/1.05 var(--type);letter-spacing:.015em}
.chapter-meta{text-align:center;margin:0 0 20px;font:700 .82rem var(--type);text-transform:uppercase;letter-spacing:.055em}
.chapter-rule{display:flex;align-items:center;gap:10px;margin:0 0 22px;color:#222}
.chapter-rule::before,.chapter-rule::after{content:'';height:1px;background:var(--rule);flex:1}
.prose{max-width:860px;margin:0 auto;font-size:1.08rem}
.prose p{margin:.75rem 0}
.prose p.lede::first-letter{float:left;color:var(--red);font:700 3.65rem/.78 Georgia,serif;padding:.13em .08em 0 0}
.story-figure,.story-video{margin:20px auto;width:100%}
.story-figure img,.video-frame{width:100%;border:1px solid #5f4c35;padding:3px;background:rgba(255,255,255,.35);box-shadow:0 5px 12px rgba(70,52,32,.10)}

.media-block figcaption,
.story-video figcaption {
    text-align: center;
    margin-top: 6px;
    font-style: italic;
    font-size: .85rem;
    letter-spacing: .025em;
}

.video-frame{position:relative;aspect-ratio:16/7;background:#1c1d1e;overflow:hidden;border-radius:7px;padding:0}
.video-frame img{width:100%;height:100%;object-fit:cover;filter:grayscale(.55) contrast(.95)}
.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:76px;height:76px;border-radius:50%;background:rgba(22,22,22,.58);display:grid;place-items:center;color:white;font-size:2rem}
.video-controls{position:absolute;left:14px;right:14px;bottom:9px;color:white;font:700 .78rem var(--type);display:flex;align-items:center;gap:12px}
.video-controls .bar{height:3px;background:rgba(255,255,255,.65);flex:1}
.artifact{
  position:relative;
  width:min(680px,92%);
  margin:18px auto 28px;
  padding:14px 48px 16px 42px;
  background:#e2d0aa;
  border:1px solid rgba(83,63,38,.38);
  box-shadow:0 3px 8px rgba(63,46,29,.14);
  font:700 .78rem/1.48 var(--type);
  transform:rotate(.12deg);
}
.artifact::before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 15% 20%,rgba(94,67,32,.08),transparent 8rem),repeating-linear-gradient(0deg,rgba(54,39,23,.02) 0 1px,transparent 1px 4px)}
.artifact-top{display:flex;justify-content:space-between;border-bottom:1px solid rgba(70,53,33,.4);padding-bottom:6px;margin-bottom:7px}
.artifact dl{display:grid;grid-template-columns:70px 1fr;margin:0;gap:2px 0}.artifact dt,.artifact dd{margin:0}
.artifact-stamp{position:absolute;right:24px;top:56px;border:2px solid rgba(154,55,45,.7);color:var(--red);padding:5px 8px;text-align:center;text-transform:uppercase;line-height:1.05;transform:rotate(-1.5deg)}
.chapter-footer{max-width:900px;margin:28px auto 0;padding:17px 0 0;border-top:1px solid rgba(79,61,40,.35);display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:start;font-size:.8rem}
.chapter-footer a{text-decoration:none}.chapter-footer .next{text-align:right}.footer-label{display:block;font:700 .7rem var(--type);text-transform:uppercase}.chapter-name{display:block;margin-top:4px}
.mobile-contents{display:none}

.home-card{max-width:1040px;margin:60px auto;padding:54px;border-radius:16px;background:var(--paper);box-shadow:0 18px 55px rgba(0,0,0,.35)}
.home-card h1{font:700 clamp(2.5rem,6vw,5rem)/1 var(--type);margin:0 0 10px}.home-card .sub{color:var(--red);font:700 .9rem var(--type);text-transform:uppercase;letter-spacing:.14em}.home-card p{font-size:1.15rem}.button{display:inline-block;margin-top:15px;padding:10px 16px;border:1px solid var(--red);color:var(--red);text-decoration:none;font:700 .82rem var(--type);text-transform:uppercase}

@media(max-width:900px){
  .site-header{align-items:flex-start;flex-direction:column;gap:12px}.site-nav{gap:1rem 1.4rem}
  .book-shell{grid-template-columns:1fr;border-radius:0;width:100%;margin:0}
  .sidebar{display:none;min-height:0;border-right:0;border-bottom:1px solid rgba(82,60,37,.35)}
  .sidebar.open{display:block}.location-stamp{margin:24px 22px}.sidebar-photo{display:none}
  .mobile-contents{display:inline-block;margin:0 0 18px;border:1px solid rgba(96,69,42,.35);background:transparent;padding:7px 11px;font:700 .72rem var(--type);text-transform:uppercase;color:var(--red)}
  .chapter-main{padding:26px 22px}.chapter-footer{grid-template-columns:1fr 1fr}.contents-link{display:none}.chapter-footer .next{text-align:right}
}
@media(max-width:560px){
  .site-header{padding:15px 18px}.brand-title{font-size:1.5rem}.brand-sub{font-size:.68rem}.site-nav{font-size:.7rem}
  .chapter-main{padding:22px 16px}.prose{font-size:1rem}.artifact{width:100%;padding:12px 18px}.artifact-stamp{position:static;display:inline-block;margin:8px 0}.artifact dl{grid-template-columns:64px 1fr}
}