/* Australia42, 10 Minutes and the Data room */

@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
main { position: relative; z-index: 1; }

/* ---------------- 10 Minutes ---------------- */
.letter { max-width: 760px; margin: 0 auto; padding: 170px 28px 60px; }
.letter-head { text-align: center; margin-bottom: 70px; }
.lh-kicker { font-size: 14px; font-weight: 500; color: var(--aurora); animation: rise 0.9s both; }
.lh-title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  font-size: clamp(52px, 8vw, 104px);
  line-height: 0.98;
  margin: 16px 0 20px;
  text-wrap: balance;
  animation: rise 1s 0.08s both;
}
.lh-by { font-size: 15px; color: var(--muted); animation: rise 1s 0.16s both; }
.letter-body {
  position: relative;
  padding: 56px 60px 48px;
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015) 50%) rgba(2, 4, 8, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 30px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 40px 90px rgba(2, 4, 9, 0.5);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  animation: rise 1s 0.24s both;
}
.letter-body p { font-family: 'Newsreader', Georgia, serif; font-size: 20px; line-height: 1.8; color: #c3cddc; margin-bottom: 22px; }
.letter-body .lb-lede {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(34px, 4.4vw, 48px);
  line-height: 1.1;
  color: var(--star);
  margin-bottom: 30px;
}
.lb-sign { margin-top: 44px; padding-top: 34px; border-top: 1px solid rgba(227, 201, 136, 0.25); text-align: center; }
.letter-body .lb-crack { font-family: 'Instrument Serif', Georgia, serif; font-style: italic; font-size: 44px; line-height: 1; color: var(--gold); margin-bottom: 18px; text-shadow: 0 0 40px rgba(227, 201, 136, 0.25); }
.letter-body .lb-book { font-size: 16px; color: var(--muted); margin-bottom: 4px; }
.letter-body .lb-url { font-size: 15px; color: var(--dim); margin: 0; }
.letter-next { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-top: 48px; }
.letter-next .btn { display: inline-flex; align-items: center; gap: 10px; }
@media (max-width: 700px) {
  .letter { padding: 130px 16px 40px; }
  .letter-body { padding: 34px 24px 30px; border-radius: 24px; }
  .letter-body p { font-size: 18.5px; }
}

/* ---------------- Data room ---------------- */
.dataroom { max-width: 900px; margin: 0 auto; padding: 170px 28px 60px; }
.dr-head { margin-bottom: 40px; animation: rise 0.9s both; }
.dr-head .lh-title { font-size: clamp(46px, 7vw, 84px); }
.dr-note p { font-family: 'Newsreader', Georgia, serif; font-size: 19px; line-height: 1.7; color: #b9c4d4; max-width: 720px; }
.dr-stats { display: flex; gap: 28px; margin-top: 22px; font-size: 14px; color: var(--dim); }
.dr-stats strong { font-family: 'Instrument Serif', Georgia, serif; font-weight: 400; font-size: 34px; color: var(--star); margin-right: 6px; }
.dr-tools {
  position: sticky;
  top: 90px;
  z-index: 5;
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px;
  margin: 0 -10px 36px;
  background: rgba(4, 7, 13, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 22px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.dr-tools .pol-search { flex: 1; }
.dr-group { margin-bottom: 50px; }
.dr-item { border-bottom: 1px solid rgba(147, 161, 184, 0.08); scroll-margin-top: 170px; }
.dr-item summary { cursor: pointer; list-style: none; display: flex; align-items: baseline; gap: 14px; padding: 15px 4px; }
.dr-item summary::-webkit-details-marker { display: none; }
.dr-title { flex: 1; font-family: 'Newsreader', Georgia, serif; font-size: 18.5px; line-height: 1.4; color: #c9d2e0; transition: color 0.2s; }
.dr-item summary:hover .dr-title, .dr-item[open] .dr-title { color: var(--star); }
.dr-item ol { margin: 0 0 14px 26px; }
.dr-item li { font-size: 14px; line-height: 1.6; color: #8e9bb0; margin-bottom: 10px; padding-left: 4px; }
.dr-item li::marker { color: var(--dim); }
@media (max-width: 700px) { .dataroom { padding: 130px 16px 40px; } .dr-tools { top: 80px; } }