/* Rational Times — V13 styles. Only new V13 pieces are styled here; nothing older changes its look. */

/* ---------- Earth from space (NASA EPIC) ---------- */
.earth13-player { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 22px; align-items: start; margin: 8px 0 26px; }
.earth13-stage { position: relative; background: #05070c; border: 1px solid var(--rule); aspect-ratio: 1 / 1; overflow: hidden; }
.earth13-stage img { width: 100%; height: 100%; object-fit: contain; display: block; transition: opacity .25s; }
.earth13-stage img.loading { opacity: .55; }
.earth13-when, .earth13-facing { position: absolute; left: 14px; font: 600 12px/1.3 var(--sans); color: #fff; background: rgba(0, 0, 0, .55); padding: 5px 9px; }
.earth13-when { top: 14px; letter-spacing: .4px; }
.earth13-facing { bottom: 14px; right: 14px; max-width: max-content; }
.earth13-ctl { grid-column: 2; display: flex; flex-direction: column; gap: 8px; }
.earth13-ctl .btn[aria-pressed="true"] { background: var(--ink); }
.earth13-strip { grid-column: 2; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; max-height: 520px; overflow: auto; }
.earth13-strip button { display: block; width: 100%; padding: 0; border: 2px solid transparent; background: #05070c; cursor: pointer; position: relative; }
.earth13-strip button[aria-current="true"] { border-color: var(--burgundy); }
.earth13-strip img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; }
.earth13-strip span { position: absolute; left: 3px; bottom: 3px; font: 600 10px/1 var(--sans); color: #fff; background: rgba(0, 0, 0, .6); padding: 2px 4px; }
.earth13-nav { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0 14px; }
.earth13-credit { margin-top: 18px; }
.earth13-days .sp-img { background: #05070c; }
@media (max-width: 860px) {
  .earth13-player { grid-template-columns: 1fr; }
  .earth13-ctl, .earth13-strip { grid-column: 1; }
  .earth13-strip { grid-template-columns: repeat(4, 1fr); max-height: none; }
}

/* ---------- pay online (Razorpay, optional) ---------- */
.pay13-online { display: flex; gap: 14px; align-items: center; justify-content: space-between; flex-wrap: wrap; border: 1px solid var(--burgundy); background: #fbf6f6; padding: 14px 16px; margin: 0 0 16px; }
.pay13-online b { display: flex; gap: 6px; align-items: center; font: 700 15px/1.3 var(--sans); color: var(--burgundy); }
.pay13-online span { display: block; font: 13px/1.5 var(--sans); color: var(--ink-soft); margin-top: 2px; }

/* ---------- the Permanent Member path (Join, Membership pages) ---------- */
.perm13 { position: relative; overflow: hidden; margin: 38px 0; padding: clamp(26px, 4.2vw, 52px); color: var(--on-dark); background: linear-gradient(135deg, var(--ink-2) 0%, var(--ink) 52%, #3b2026 100%); border-top: 3px solid var(--burgundy); }
.perm13::before { content: ''; position: absolute; right: -120px; top: -140px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(125, 48, 57, .55), transparent 68%); pointer-events: none; }
.perm13-in { position: relative; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 54px); align-items: center; }
.perm13-k { display: inline-flex; gap: 7px; align-items: center; font: 700 11px/1 var(--sans); letter-spacing: 1.6px; text-transform: uppercase; color: #e7c98c; border: 1px solid rgba(231, 201, 140, .45); padding: 7px 10px; }
.perm13 h2 { font-family: var(--serif-display); font-weight: 400; font-size: clamp(30px, 4.2vw, 52px); line-height: 1.06; letter-spacing: -.8px; margin: 16px 0 14px; color: #fff; }
.perm13 h2 em { display: block; color: #f0c4cb; }
.perm13-lead { font: 16px/1.6 var(--serif-body); color: var(--on-dark-quiet); max-width: 640px; margin: 0 0 22px; }
.perm13-pts { list-style: none; margin: 0 0 24px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px 22px; }
.perm13-pts li { display: grid; grid-template-columns: 36px 1fr; gap: 2px 12px; align-items: start; }
.perm13-pts .ci { grid-row: span 2; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: rgba(255, 255, 255, .08); color: #e7c98c; }
.perm13-pts b { font: 700 14.5px/1.35 var(--sans); color: #fff; }
.perm13-pts span:not(.ci) { font: 13px/1.5 var(--sans); color: var(--on-dark-quiet); }
.perm13-cta { display: flex; gap: 10px; flex-wrap: wrap; }
.perm13 .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .55); background: transparent; }
.perm13 .btn-ghost:hover { background: rgba(255, 255, 255, .1); }
.perm13-ladder { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; counter-reset: none; }
.perm13-ladder li { position: relative; display: grid; grid-template-columns: 42px 1fr; gap: 2px 14px; padding: 16px 18px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12); }
.perm13-ladder li + li::before { content: ''; position: absolute; left: 38px; top: -15px; width: 2px; height: 14px; background: rgba(231, 201, 140, .6); }
.perm13-ladder i { grid-row: span 2; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; font: 700 16px/1 var(--sans); font-style: normal; background: rgba(255, 255, 255, .1); color: #fff; }
.perm13-ladder b { font: 700 15px/1.3 var(--sans); color: #fff; }
.perm13-ladder span { font: 13px/1.45 var(--sans); color: var(--on-dark-quiet); }
.perm13-ladder li.here { background: linear-gradient(120deg, rgba(125, 48, 57, .55), rgba(125, 48, 57, .25)); border-color: rgba(231, 201, 140, .7); box-shadow: 0 0 0 1px rgba(231, 201, 140, .25), 0 14px 34px rgba(0, 0, 0, .28); }
.perm13-ladder li.here i { background: #e7c98c; color: var(--ink-2); }
.perm13-ladder em { position: absolute; right: 12px; top: 12px; font: 700 10px/1 var(--sans); letter-spacing: 1.2px; text-transform: uppercase; font-style: normal; color: var(--ink-2); background: #e7c98c; padding: 5px 7px; }
.perm13-fine { position: relative; margin: 26px 0 0; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .14); font: 12.5px/1.55 var(--sans); color: var(--on-dark-quiet); display: flex; gap: 8px; align-items: flex-start; }
.perm13-note { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: -6px 0 18px; padding: 11px 14px; background: var(--paper-2); border-left: 3px solid var(--burgundy); font: 14px/1.5 var(--sans); }
.perm13-note a, .perm13-home a { text-decoration: underline; color: var(--burgundy); }
.perm13-home { display: flex; gap: 7px; align-items: baseline; flex-wrap: wrap; font: 13.5px/1.5 var(--sans); margin: -4px 0 14px; }
@media (prefers-reduced-motion: no-preference) {
  .perm13-ladder li.here { animation: perm13glow 3.2s ease-in-out infinite; }
  @keyframes perm13glow { 50% { box-shadow: 0 0 0 1px rgba(231, 201, 140, .45), 0 14px 40px rgba(125, 48, 57, .45); } }
}
@media (max-width: 900px) {
  .perm13-in { grid-template-columns: 1fr; }
  .perm13-pts { grid-template-columns: 1fr; }
}
.perm13-ladder li.here b { padding-right: 82px; }

/* ---------- home page: every section in tabs ---------- */
.tabs13-bar { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: thin; border-bottom: 1px solid var(--rule); margin: 0 0 18px; }
.tabs13-bar button { flex: 0 0 auto; background: none; border: 0; border-bottom: 3px solid transparent; margin-bottom: -1px; padding: 10px 14px; font: 600 13.5px/1 var(--sans); color: var(--ink-soft); cursor: pointer; white-space: nowrap; }
.tabs13-bar button:hover { color: var(--ink); }
.tabs13-bar button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--burgundy); }
.tabs13-bar button:focus-visible { outline: 2px solid var(--burgundy); outline-offset: -2px; }
.tabs13-more { margin: 12px 0 0; font: 600 13px/1 var(--sans); }
.tabs13-more a { color: var(--burgundy); }

/* ---------- V13 Rational Times Academy ---------- */
.ac13-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; margin: 8px 0 36px; }
.ac13-card { display: flex; flex-direction: column; gap: 8px; padding: 20px 20px 18px; background: var(--card, #fff); border: 1px solid var(--rule); border-top: 3px solid var(--burgundy); color: var(--ink); text-decoration: none; transition: border-color .15s, box-shadow .15s; }
.ac13-card:hover { border-color: var(--ink-soft); box-shadow: 0 6px 20px rgba(0, 0, 0, .06); }
.ac13-card b { font: 700 20px/1.25 var(--serif-display); }
.ac13-sum { font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); }
.ac13-level { font: 700 11px/1 var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--burgundy); }
.ac13-meta { font: 500 12.5px/1.4 var(--sans); color: var(--quiet); }
.ac13-bar { display: block; height: 6px; background: var(--rule); border-radius: 3px; overflow: hidden; min-width: 120px; }
.ac13-bar i { display: block; height: 100%; background: var(--ok, #2f7a43); }
.ac13-how ol { margin: 0 0 12px 20px; line-height: 1.7; max-width: 720px; }
.ac13-lessons { list-style: none; margin: 18px 0 24px; padding: 0; max-width: 760px; counter-reset: l; }
.ac13-lessons li a { display: grid; grid-template-columns: 36px 1fr auto; align-items: center; gap: 12px; padding: 14px 4px; border-bottom: 1px solid var(--rule); color: var(--ink); text-decoration: none; }
.ac13-lessons li a:hover b { text-decoration: underline; }
.ac13-lessons .n { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--rule); font: 700 13px/1 var(--sans); }
.ac13-lessons li.done .n { background: var(--ok, #2f7a43); border-color: var(--ok, #2f7a43); color: #fff; }
.ac13-one .ac13-body { max-width: 720px; margin: 8px 0 28px; }
.ac13-quiz { max-width: 720px; margin: 10px 0 26px; padding: 22px 22px 18px; border: 1px solid var(--rule); background: var(--paper-2, #faf8f4); }
.ac13-quiz h2 { font: 700 22px/1.2 var(--serif-display); margin: 0 0 14px; }
.ac13-q { border: 0; margin: 0 0 18px; padding: 0; }
.ac13-q legend { font: 600 15.5px/1.45 var(--sans); margin-bottom: 8px; padding: 0; }
.ac13-opt { display: flex; gap: 10px; align-items: flex-start; padding: 9px 12px; margin: 0 0 6px; border: 1px solid var(--rule); background: var(--card, #fff); cursor: pointer; font-size: 15px; line-height: 1.45; }
.ac13-opt input { margin-top: 3px; flex: 0 0 auto; }
.ac13-opt.right { border-color: var(--ok, #2f7a43); background: #eef6ef; }
.ac13-opt.wrong { border-color: #b3261e; background: #fbeeed; }
.ac13-why { margin: 4px 0 0; }
.ac13-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 30px; }
[data-theme="dark"] .ac13-opt.right { background: rgba(47, 122, 67, .18); }
[data-theme="dark"] .ac13-opt.wrong { background: rgba(179, 38, 30, .18); }
[data-theme="dark"] .ac13-quiz { background: rgba(255, 255, 255, .03); }
@media (max-width: 640px) { .ac13-quiz { padding: 16px 14px; } .ac13-lessons li a { grid-template-columns: 32px 1fr; } .ac13-lessons li a .ac13-meta { grid-column: 2; } }

/* ---------- V13 pages from the page builder ---------- */
.pb13-body { max-width: 860px; margin: 0 0 50px; }
.pb13-body > * { margin-top: 0; margin-bottom: 24px; }
.pb13-h { font-family: var(--serif-display); line-height: 1.2; }
h2.pb13-h { font-size: clamp(24px, 3vw, 32px); }
h3.pb13-h { font-size: 22px; }
.pb13-img img { width: 100%; height: auto; display: block; }
.pb13-img.wide { margin-left: 0; margin-right: 0; }
.pb13-img figcaption, .pb13-video figcaption { font-size: 13px; color: var(--quiet); margin-top: 6px; }
.pb13-img .credit { opacity: .8; }
.pb13-cta { padding: 26px 26px 24px; background: var(--ink); color: #fff; }
.pb13-cta h2 { font: 700 26px/1.2 var(--serif-display); margin: 0 0 8px; color: #fff; }
.pb13-cta p { margin: 0 0 16px; color: rgba(255, 255, 255, .85); }
.pb13-faq details { border-bottom: 1px solid var(--rule); padding: 12px 0; }
.pb13-faq summary { cursor: pointer; font-weight: 600; }
.pb13-faq details p { margin: 8px 0 0; line-height: 1.6; }
.pb13-quote { border-left: 3px solid var(--burgundy); padding: 4px 0 4px 18px; font: italic 20px/1.5 var(--serif-display); }
.pb13-quote cite { display: block; font: 600 13px/1.4 var(--sans); font-style: normal; color: var(--quiet); margin-top: 8px; }
.pb13-frame { position: relative; padding-top: 56.25%; background: #000; }
.pb13-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.pb13-hr { border: 0; border-top: 1px solid var(--rule); }
.ft-push13 { display: inline-flex; align-items: center; gap: 7px; margin-top: 12px; padding: 7px 12px; background: transparent; border: 1px solid currentColor; border-radius: 999px; color: inherit; font: 600 12.5px/1.2 var(--sans); cursor: pointer; opacity: .9; }
.ft-push13:hover { opacity: 1; }
.ft-push13.on { background: rgba(255, 255, 255, .12); }
.ft-push13[hidden] { display: none; }
small.shrink13 { display: block; color: var(--ok, #2f6b3a); font-size: 12px; margin-top: 4px; }