@import url("tokens.css");

:root{
  --online-warm:rgba(88,144,214,.08);
}

*{box-sizing:border-box}
html,body{height:100%}

body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,"Noto Sans","Liberation Sans",sans-serif;
  background:var(--bg);
  color:var(--fg);
}

a{color:var(--fg);text-decoration:none}
a:hover{text-decoration:underline}

.wrap{min-height:100vh}

.page{
  position:relative;
  min-height:100vh;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}

.page::before{
  content:"";
  position:absolute;
  inset:0;
  background:center/cover no-repeat url("backgrounds/online-bg.jpg");
  filter:brightness(.8) contrast(1.06) saturate(.92);
  transform:scale(1.02);
  z-index:0;
  animation:online-drift 80s ease-in-out infinite alternate;
}

.page::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(11,11,13,.92) 0%,rgba(11,11,13,.74) 30%,rgba(11,11,13,.46) 58%,rgba(11,11,13,.18) 82%,rgba(11,11,13,.06) 100%),
    radial-gradient(70% 80% at 62% 45%,var(--online-warm) 0%,rgba(88,144,214,0) 70%);
  z-index:1;
}

@keyframes online-drift{
  from{transform:scale(1.02) translate3d(0,0,0)}
  to{transform:scale(1.042) translate3d(-.4%,-.25%,0)}
}

.site-header{
  position:relative;
  z-index:2;
  padding:22px 44px 0;
  text-align:right;
}

.site-header .brand{
  margin:0 0 6px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-size:var(--fs-body);
  font-weight:600;
  opacity:.92;
  line-height:var(--lh-body);
}

.site-header .menu{
  font-size:var(--fs-kicker);
  color:var(--muted);
  line-height:var(--lh-kicker);
}

.site-header .menu a{
  color:var(--muted);
  margin:0 10px;
}

.site-header .menu a:hover{
  color:var(--fg);
  text-decoration:none;
}

.main{
  position:relative;
  z-index:2;
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
}

.container{
  width:min(100%,980px);
  max-width:980px;
  margin:0 auto;
  padding:28px 44px 56px;
  text-shadow:0 2px 8px rgba(0,0,0,.84),0 0 22px rgba(0,0,0,.46);
}

.h1{
  margin:0 0 10px;
  font-size:var(--fs-h1-static);
  font-weight:800;
  letter-spacing:.02em;
}

.lead{
  margin:0 0 16px;
  max-width:78ch;
  color:var(--muted);
  font-size:var(--fs-lead);
  line-height:var(--lh-lead);
}

.list{
  margin-top:14px;
  border:1px solid rgba(242,242,244,.07);
  border-radius:18px;
  overflow:hidden;
  background:rgba(0,0,0,.18);
  backdrop-filter:blur(4px);
  box-shadow:0 12px 34px rgba(0,0,0,.18);
}

.list-header{
  padding:14px 16px;
  border-bottom:1px solid rgba(242,242,244,.055);
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
}

.list-header h2{
  margin:0;
  font-size:var(--fs-h2);
  font-weight:700;
}

.list-header .note{
  margin:0;
  color:var(--muted);
  font-size:var(--fs-kicker);
  line-height:var(--lh-kicker);
}

.items{
  list-style:none;
  margin:0;
  padding:0;
}

.item{
  padding:18px;
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  align-items:center;
  border-top:1px solid rgba(242,242,244,.055);
}

.item:first-child{border-top:0}

.book-copy,
.book-text{
  max-width:78ch;
  color:var(--muted);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
}

.book-copy p,
.book-text p{margin:0 0 12px}

.book-copy p:last-child,
.book-text p:last-child{margin-bottom:0}

.theme-list{
  margin:0;
  padding:0;
  max-width:78ch;
  list-style:none;
  display:grid;
  gap:7px;
  color:var(--muted);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
}

.theme-list li::before{content:"— ";opacity:.72}

.excerpt{
  position:relative;
  max-width:78ch;
  color:rgba(242,242,244,.94);
  font-size:var(--fs-body);
  line-height:1.62;
  letter-spacing:.01em;
}

.excerpt p{margin:0 0 14px}
.excerpt p:last-child{margin-bottom:0}
.excerpt.is-collapsed{max-height:430px;overflow:hidden}

.excerpt-fade{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:120px;
  pointer-events:none;
  display:none;
  background:linear-gradient(to bottom,rgba(11,11,13,0) 0%,rgba(11,11,13,.68) 58%,rgba(11,11,13,.96) 100%);
}

.excerpt.is-collapsed .excerpt-fade{display:block}

.video-card{
  border:1px solid rgba(242,242,244,.12);
  border-radius:16px;
  overflow:hidden;
  background:rgba(0,0,0,.22);
}

.video-title{
  padding:12px 14px 0;
  color:rgba(242,242,244,.94);
  font-size:var(--fs-lead);
  line-height:var(--lh-lead);
  font-weight:800;
}

.video-desc{
  padding:10px 14px 0;
  color:var(--muted);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
}

.video-desc p{margin:0 0 10px}
.video-desc p:last-child{margin-bottom:0}

.video-frame{
  position:relative;
  width:calc(100% - 28px);
  aspect-ratio:16/9;
  margin:14px;
  border:1px solid rgba(242,242,244,.12);
  border-radius:16px;
  overflow:hidden;
  background:rgba(0,0,0,.35);
}

.video-frame iframe{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  border:0;
}

.video-note{
  margin:0;
  padding:0 14px;
  color:var(--muted);
  opacity:.88;
  font-size:var(--fs-kicker);
  line-height:var(--lh-kicker);
}

.video-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  padding:12px 14px 14px;
}

.video-actions a,
.video-actions span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 11px;
  border:1px solid rgba(242,242,244,.16);
  border-radius:999px;
  background:rgba(255,255,255,.04);
  color:var(--fg);
  font-size:var(--fs-kicker);
  font-weight:700;
  text-decoration:none;
}

.video-actions span{color:var(--muted);font-weight:600}

button.btn{font-family:inherit}

.btn{
  appearance:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 18px;
  border:1px solid rgba(242,242,244,.18);
  border-radius:14px;
  background:rgba(0,0,0,.22);
  color:var(--fg);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
  font-weight:800;
  text-decoration:none;
  cursor:pointer;
  opacity:.95;
  transition:transform 140ms ease,background 140ms ease,border-color 140ms ease,opacity 140ms ease;
}

.btn:hover{
  background:rgba(255,255,255,.08);
  border-color:rgba(242,242,244,.34);
  transform:translateY(-1px);
  opacity:1;
  text-decoration:none;
}

.btn:active{transform:scale(.99)}

.btn:focus-visible,
.site-header a:focus-visible,
.video-actions a:focus-visible{
  outline:2px solid rgba(242,242,244,.9);
  outline-offset:3px;
}

.btn.secondary{
  border-color:rgba(242,242,244,.14);
  background:rgba(0,0,0,.16);
  font-weight:700;
}

.cta-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:14px;
}

.quiet-book-link{
  padding:9px 13px;
  border-color:rgba(242,242,244,.12);
  background:rgba(255,255,255,.025);
  color:var(--muted);
  font-size:var(--fs-kicker);
  font-weight:600;
  opacity:.78;
}

.quiet-book-link:hover{color:var(--fg);opacity:.95}

.list:last-of-type .lead{margin:0;max-width:78ch}
.list:last-of-type .book-copy{margin-top:12px}

.seal{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:24px;
  color:var(--muted);
  font-size:var(--fs-kicker);
  line-height:var(--lh-kicker);
}

.seal img{height:22px;width:auto;opacity:.75}

@media (max-width:900px){
  .site-header{padding:16px 22px 0}
  .main{align-items:flex-start}
  .container{width:100%;padding:22px 22px 44px}
  .list-header{align-items:flex-start;flex-direction:column}
}

@media (prefers-reduced-motion:reduce){
  .page::before{animation:none}
  .btn{transition:none}
}