/* Experience page: compact fold-out timeline. Loads after ai.css. */
.xp-hero { padding-top: 92px; padding-bottom: 24px; min-height: 0; }
.xp-hero h1 { font-size: clamp(44px, 4.4vw, 72px); }
.xp-hero .sub { margin-top: 14px; font-size: clamp(15px, 1.2vw, 17px); max-width: 48ch; }
.xp-hero .hero-actions { margin-top: 16px; }
.xp-chips { margin-top: 12px; }
.xp-portrait { width: min(200px, 64%); }
.band { padding: clamp(28px, 4vh, 48px) 0; }
.section-title { margin-bottom: 18px; }
.xp-folds { position: relative; padding-left: 34px; display: grid; gap: 10px; }
.xp-folds::before { content: ""; position: absolute; left: 9px; top: 18px; bottom: 18px; width: 2px; border-radius: 2px; background: linear-gradient(var(--orange), #d5dbe2); opacity: .7; }
.xp-fold { position: relative; border-radius: 14px; background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line); transition: border-color .3s, background .3s; }
.xp-fold::before { content: ""; position: absolute; left: -31px; top: 26px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid #d5dbe2; box-shadow: 0 0 0 1px rgba(255, 122, 61, .28); }
.xp-fold[open] { border-color: rgba(255, 122, 61, 0.35); background: rgba(255, 255, 255, 0.045); }
.xp-fold[open]::before { background: var(--orange); border-color: var(--orange); }
.xp-fold summary { list-style: none; display: grid; grid-template-columns: 120px 1fr 24px; gap: 18px; align-items: center; padding: 14px 18px; cursor: pointer; }
.xp-fold summary::-webkit-details-marker { display: none; }
.xp-fold summary .xp-logo { height: 24px; max-width: 120px; }
.xp-sum h3 { font-size: 17px; letter-spacing: -0.01em; line-height: 1.25; }
.xp-meta { display: block; margin-top: 3px; font-family: var(--mono); font-size: 11.5px; color: var(--muted); }
.xp-meta time { font-family: inherit; }
.xp-chev { width: 10px; height: 10px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .3s; justify-self: center; margin-top: -4px; }
.xp-fold[open] .xp-chev { transform: rotate(-135deg); margin-top: 4px; }
.xp-body { padding: 0 18px 16px 156px; }
.xp-body p, .xp-body li { color: var(--muted); font-size: 14.5px; line-height: 1.45; }
.xp-body ul { display: grid; gap: 6px; }
.xp-body li { position: relative; padding-left: 14px; }
.xp-body li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: 6px; height: 6px; border-radius: 50%;
  background: var(--orange); box-shadow: none;
}
.xp-body .xp-hq { margin-bottom: 8px; }
.xp-body .tags { margin-top: 10px; }
.early-list { display: grid; gap: 8px; }
.early-list li { display: grid; grid-template-columns: 148px 1fr; gap: 4px 12px; align-items: baseline; padding-left: 0; }
.early-list li::before { display: none; }
.early-list b { color: var(--ink); font-size: 14px; }
.early-list time { display: block; font-family: var(--mono); font-size: 11px; color: var(--faint); }
.early-list span { grid-column: 2; color: var(--muted); font-size: 13.5px; }
.xp-mark {
  font: 600 12px/1.2 var(--mono); letter-spacing: .04em; color: var(--orange-2); width: 120px;
}
.xp-body .tags { margin-top: 12px; }
.domains { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
.domain { padding: 14px 16px; }
.xp-mini { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
.xp-mini article { padding: 14px 16px; }
.xp-mini p { display: none; }
.xp-short { max-width: 68ch; display: grid; gap: 14px; }
.xp-short p { color: var(--muted); font-size: 16px; line-height: 1.6; }
.xp-short .proof-line { color: var(--ink); font-size: 15px; padding-left: 12px; border-left: 2px solid var(--green-l); }
.creds { gap: 10px; }
.cred { padding: 16px 18px; }
@media (max-width: 960px) {
  .xp-hero { padding-top: 92px; }
}
@media (max-width: 780px) {
  .xp-hero { padding-top: 132px; }
}
@media (max-width: 960px) {
  .xp-portrait { width: 150px; margin-top: 18px; }
  .xp-folds { padding-left: 24px; }
  .xp-folds::before { left: 5px; }
  .xp-fold::before { left: -25px; top: 20px; width: 10px; height: 10px; }
  .xp-fold summary { grid-template-columns: 1fr 18px; gap: 6px 10px; padding: 12px 14px; }
  .xp-fold summary .xp-logo, .xp-mark { grid-column: 1; }
  .xp-fold summary .xp-logo { height: 18px; }
  .xp-sum { grid-column: 1; }
  .xp-chev { grid-column: 2; grid-row: 1 / span 2; }
  .xp-sum h3 { font-size: 15.5px; }
  .xp-body { padding: 0 14px 14px; }
  .early-list li { grid-template-columns: 1fr; }
  .early-list span { grid-column: 1; }
  .domains, .xp-mini { grid-template-columns: 1fr 1fr; }
  .domain b, .xp-mini b { font-size: 14px; }
  .domain span { font-size: 12.5px; }
}