/* Home page ("Atlas"). Loaded after site.css on index.html only. */

main > section:not(.landing):not(.closing-cta) {
  padding: 80px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 64px;
}
main > section.alt { background: var(--paper2); }
main > section.atlas-hero { padding: 46px 0 30px; border-bottom: 0; }

/* ---- hero ---- */

.hero-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 30px; align-items: center; }
.hero-copy { min-width: 0; }
.atlas-hero h1 { font-size: clamp(2.3rem, 5vw, 4rem); line-height: 1.06; margin: 10px 0 18px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.chip {
  font-size: 12.5px; padding: 5px 11px; border-radius: 999px; border: 1px solid #d4d4d4; background: #fff;
  cursor: pointer; display: inline-flex; align-items: center; gap: 6px; color: var(--ink); text-decoration: none;
}
.chip:hover { border-color: var(--ink); }
.chip i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.chip[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: #fff; }
.chip[aria-pressed="true"] i { box-shadow: 0 0 0 1.5px #fff; }

.atlas { position: relative; max-width: 560px; width: 100%; margin-left: auto; }
.atlas svg { display: block; width: 100%; height: auto; }
.land path { fill: var(--land); stroke: #fff; stroke-width: 1.2; }
.dot { cursor: pointer; outline: none; transition: opacity 0.25s; }
.dot .hit { fill: transparent; }
.dot .pt {
  stroke: #fff; stroke-width: 1.2; transform-box: fill-box; transform-origin: center; transition: transform 0.15s;
}
.dot:hover .pt, .dot:focus-visible .pt { transform: scale(1.45); }
.dot:focus-visible .hit { stroke: var(--b); stroke-width: 2; fill: rgba(0, 51, 160, 0.1); }
.dot.dim { opacity: 0.12; }
.tip {
  position: absolute; pointer-events: none; background: var(--ink); color: #fff; font-size: 12.5px;
  padding: 8px 10px; border-radius: 8px; max-width: 260px; opacity: 0; transition: opacity 0.15s; z-index: 5; line-height: 1.4;
}
.tip b { display: block; font-size: 13.5px; }
.tip span { color: #d4d4d8; }
.caption { font-size: 12px; color: var(--muted); text-align: right; margin: 4px 0 0; }

/* ---- stats strip ---- */

.strip { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 2px solid var(--ink); border-bottom: 1px solid var(--ink); }
.strip > div { padding: 16px 18px; border-right: 1px solid var(--line); min-width: 0; }
.strip > div:last-child { border-right: 0; }
.strip .num { font-family: var(--mono); font-size: 32px; line-height: 1.1; font-weight: 500; }
.strip .den { font-family: var(--mono); font-size: 18px; color: var(--muted); }
.strip .lbl { display: block; font-size: 12.5px; color: var(--muted); }

/* ---- how it works ---- */

.how { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items: start; }
.how > div { min-width: 0; }
.steps { list-style: none; padding: 0; margin: 20px 0 0; }
.steps li { border-top: 1px solid var(--line); }
.step {
  display: grid; grid-template-columns: 44px 1fr; gap: 12px; width: 100%; padding: 14px 4px; text-align: left;
  background: none; border: 0; cursor: pointer;
}
.step b { font-family: var(--mono); color: var(--b); font-size: 14px; font-weight: 600; }
.step strong { display: block; font-size: 16px; }
.step em { display: block; font-style: normal; font-size: 14px; color: var(--muted); }
.step.on strong { color: var(--b); }
.step:hover strong { text-decoration: underline; }

.term {
  background: var(--ink); color: #e4e4e7; border-radius: 14px; overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18); display: flex; flex-direction: column; min-width: 0;
}
.term :focus-visible { outline-color: var(--y); }
.term .bar {
  display: flex; gap: 8px; align-items: center; padding: 10px 14px; border-bottom: 1px solid #27272a;
  font-size: 12px; color: #a1a1aa; flex-wrap: wrap;
}
.term .lights { display: inline-flex; gap: 6px; }
.term .lights i { width: 10px; height: 10px; border-radius: 50%; background: #3f3f46; display: inline-block; }
.bar-title { margin-left: 6px; }
.extabs { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.extabs button { cursor: pointer; font-size: 12px; padding: 5px 10px; border-radius: 6px; color: #b4b4bb; background: none; border: 0; }
.extabs button:hover { color: #fff; }
.extabs button[aria-selected="true"] { background: #27272a; color: var(--y); }
.term-toggle {
  width: 28px; height: 28px; border-radius: 50%; border: 1px solid #3f3f46; background: none;
  color: #e4e4e7; cursor: pointer; font-size: 10px; line-height: 1;
}
.term-toggle:hover { border-color: #a1a1aa; }
.tx {
  padding: 18px; height: 28rem; overflow-y: auto; font-size: 14px; line-height: 1.55;
  display: flex; flex-direction: column; justify-content: flex-start; gap: 16px;
}
.tx .msg { flex: none; min-width: 0; }
.tx .msg.user { display: flex; justify-content: flex-end; }
.tx .bubble {
  max-width: 85%; background: var(--b); color: #fff; padding: 9px 14px; border-radius: 16px 16px 4px 16px;
  font-weight: 500; overflow-wrap: anywhere;
}
.tx .who { display: flex; align-items: center; gap: 8px; font-size: 12px; color: #a1a1aa; margin-bottom: 8px; font-weight: 600; }
.tx .av {
  width: 22px; height: 22px; border-radius: 50%; background: var(--y); color: var(--ink); display: inline-grid;
  place-items: center; font-size: 12px; font-weight: 800;
}
.tx .turn { padding-left: 30px; }
.tx .think { color: #a1a1aa; font-size: 13px; font-style: italic; margin: 4px 0; }
.tx .dots::after { content: "..."; display: inline-block; width: 1.2em; text-align: left; }
.tx .call {
  display: block; font-family: var(--mono); font-size: 12px; background: #18181b; border: 1px solid #27272a;
  border-radius: 8px; padding: 7px 10px; margin: 0 0 8px; color: #93c5fd; overflow-wrap: anywhere; line-height: 1.5;
}
.tx .call em { color: #86efac; font-style: normal; }
.tx .call.reason { color: #a1a1aa; font-style: italic; font-family: var(--sans); font-size: 13px; background: none; border-style: dashed; }
.tx .ans { margin-top: 12px; color: #f4f4f5; }
.tx .ans b { color: #fff; }
.tx .sn { font-family: var(--mono); font-size: 10.5px; color: var(--ink); background: #93c5fd; border-radius: 4px; padding: 1px 5px; margin-right: 8px; font-style: normal; }
.tx .cite { font-family: var(--mono); font-size: 11px; background: #27272a; color: var(--y); padding: 2px 6px; border-radius: 4px; display: inline-block; margin-top: 6px; }
.tx .caret { color: var(--y); margin-left: 1px; }
.tx .enter { animation: enter 0.35s ease-out; }
@keyframes enter { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: no-preference) {
  .tx .caret { animation: blink 1s steps(2, start) infinite; }
  .tx .dots::after { animation: dots 1.2s steps(4, end) infinite; overflow: hidden; }
}
@keyframes dots { from { width: 0; } to { width: 1.2em; } }
@keyframes blink { to { visibility: hidden; } }
.tfoot {
  display: flex; gap: 14px 18px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  border-top: 1px solid #27272a; padding: 12px 18px; font-size: 12px; color: #b4b4bb;
}
.tfoot b { color: #e4e4e7; font-weight: 600; }
.prog { display: flex; gap: 4px; }
.prog i { width: 26px; height: 4px; border-radius: 2px; background: #3f3f46; display: block; transition: background 0.3s; }
.prog i.on { background: var(--y); }

/* ---- backstage ---- */

.back .rule { border-top: 1px solid var(--ink); margin: 4px 0 18px; }
.round {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid #c8c8c8; background: #fff; display: inline-grid;
  place-items: center; cursor: pointer; font-size: 18px; line-height: 1; color: var(--ink); flex: none;
}
.round:hover { border-color: var(--ink); }
.org-carousel { display: grid; grid-template-columns: 44px minmax(0, 1fr) 44px; gap: 12px; align-items: center; margin-top: 30px; }
.org-carousel-viewport {
  display: flex; gap: 22px; overflow: hidden; padding: 6px 0 10px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}
.org-logo { width: 230px; flex: 0 0 auto; text-align: center; text-decoration: none; color: var(--muted); }
.org-logo:hover { color: var(--ink); }
.org-logo-plate {
  height: 130px; border: 1px solid var(--line); border-radius: 14px; display: grid; place-items: center;
  background: #fff; box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05); padding: 18px;
}
.org-logo-ink .org-logo-plate { background: #141c33; border-color: #141c33; }
.org-logo-plate img { max-width: 100%; max-height: 86px; width: auto; height: auto; object-fit: contain; }
.org-logo-name { display: block; font-family: var(--mono); font-size: 13px; margin-top: 10px; }
.back-actions { display: flex; gap: 14px; align-items: center; margin-top: 18px; flex-wrap: wrap; }

/* ---- source explorer ---- */

.explorer { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 34px; margin-top: 26px; height: 640px; }
.themes { display: grid; gap: 2px; align-content: start; overflow-y: auto; padding-right: 4px; }
.themes button {
  display: flex; justify-content: space-between; gap: 8px; padding: 8px 10px; border-radius: 8px; font-size: 14px;
  background: none; border: 0; text-align: left; cursor: pointer; color: var(--ink);
}
.themes button:hover { background: #ececea; }
.themes button i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-right: 8px; }
.themes button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.themes button[aria-pressed="true"] i { box-shadow: 0 0 0 1.5px #fff; }
.themes .n { font-family: var(--mono); font-size: 12px; opacity: 0.8; flex: none; }
.list-wrap { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.list-head { font-family: var(--display); font-size: 22px; margin: 0 0 10px; flex: none; }
.list-head span { font-family: var(--mono); font-size: 13px; color: var(--muted); font-weight: 400; }
.list { flex: 1; min-height: 0; overflow-y: auto; padding-right: 10px; scrollbar-width: thin; border-top: 1px solid var(--line); }
.src-group { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 28px; align-content: start; }
.src-group[hidden] { display: none; }
.src { padding: 12px 0; border-bottom: 1px solid var(--line); min-width: 0; }
.src h4 { font-size: 15px; margin: 2px 0 2px; display: flex; align-items: center; flex-wrap: wrap; gap: 4px 8px; font-family: var(--sans); font-weight: 700; }
.src h4 a { color: var(--ink); text-decoration-color: #b8b8b8; }
.src h4 a:hover { color: var(--b); }
.src .inst { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.src p { font-size: 13.5px; color: var(--muted); margin: 0; }
.st { font-family: var(--mono); font-size: 10.5px; font-weight: 500; padding: 1px 6px; border-radius: 4px; background: #dcfce7; color: #166534; }
.st-offline { background: #fee2e2; color: #991b1b; }
.st-build-local { background: #fef9c3; color: #854d0e; }

/* ---- stored answers ---- */

.qs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 26px; }
.qa-card { display: flex; flex-direction: column; gap: 12px; background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--y); border-radius: 12px; padding: 20px 22px; }
.qa-card .qtext { font-family: var(--serif, "Source Serif 4", serif); font-style: italic; font-size: 19px; line-height: 1.35; color: var(--ink); margin: 0; }
.qa-card .qans { font-size: 15px; line-height: 1.55; margin: 0; flex: 1; }
.qa-meta { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 10px; }
.qa-meta .mono { overflow-wrap: anywhere; }
.qa-meta a { color: var(--b); }
.qsnote { font-size: 12.5px; color: var(--muted); margin-top: 18px; max-width: 760px; }

/* ---- connect ---- */

.connect { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 44px; align-items: start; }
.check { list-style: none; padding: 0; margin: 18px 0; display: grid; gap: 10px; }
.check li { display: flex; gap: 10px; font-size: 14.5px; }
.check b { color: #15803d; }
.quick-connect { border: 1px solid var(--line); background: #fff; border-radius: 12px; padding: 12px 16px; margin-top: 8px; }
.quick-connect summary, .more-clients summary { cursor: pointer; font-weight: 700; font-size: 14px; }
.quick-connect[open] summary { margin-bottom: 12px; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.tabs button {
  cursor: pointer; font-size: 13px; padding: 7px 13px; border-radius: 8px; border: 1px solid #d4d4d4; background: #fff; color: var(--ink);
}
.tabs button:hover { border-color: var(--ink); }
.tabs button[aria-selected="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
/* All panels share one grid cell, so the box is as tall as the tallest one
   and switching tabs never moves the page. */
.panels { display: grid; }
.panel { grid-area: 1 / 1; visibility: hidden; min-width: 0; }
.panel.on { visibility: visible; }
.panel .note { font-size: 13.5px; color: var(--muted); margin-bottom: 12px; }
.alt-label { font-size: 13px; color: var(--muted); margin: 14px 0 8px; }
.code-block.narrow { max-width: 520px; }
.more-clients { margin-top: 22px; }
.more-clients[open] summary { margin-bottom: 14px; }
.more-client { padding: 14px 0; border-top: 1px solid var(--line); }
.more-client h3 { font-size: 15px; font-family: var(--sans); font-weight: 700; margin-bottom: 6px; }

/* ---- faq ---- */

.faq { margin-top: 14px; max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 16px; list-style: none; display: flex; justify-content: space-between; gap: 14px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--b); flex: none; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: 8px 0 0; max-width: 760px; }

/* ---- responsive ---- */

@media (max-width: 1000px) {
  .hero-grid, .how, .connect { grid-template-columns: 1fr; }
  .hero-grid { gap: 20px; }
  .how { gap: 32px; }
  .connect { gap: 28px; }
  .atlas { margin: 0 auto; }
  .strip { grid-template-columns: repeat(2, 1fr); }
  .strip > div { border-bottom: 1px solid var(--line); }
  .strip > div:nth-child(2n) { border-right: 0; }
  .strip > div:last-child { grid-column: 1 / -1; border-bottom: 0; }
  .explorer { grid-template-columns: 1fr; height: auto; gap: 18px; }
  .themes { display: flex; flex-wrap: wrap; gap: 6px; overflow: visible; }
  .themes button { border: 1px solid #d4d4d4; background: #fff; padding: 6px 10px; font-size: 13px; }
  .themes button i { margin-right: 6px; }
  .list-wrap { height: 560px; }
  .src-group { grid-template-columns: 1fr; }
  .qs { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 900px) {
  main > section:not(.landing):not(.closing-cta) { padding: 52px 0; }
  main > section.atlas-hero { padding: 28px 0 16px; }
  .org-carousel { grid-template-columns: 36px minmax(0, 1fr) 36px; gap: 8px; }
  .round { width: 40px; height: 40px; }
  .org-logo { width: 180px; }
  .org-logo-plate { height: 108px; }
  .tx { height: 31rem; padding: 14px; }
  .strip .num { font-size: 26px; }
  .qa-card .qtext { font-size: 17px; }
}
@media (max-width: 420px) {
  .tabs button { padding: 7px 10px; }
  .extabs button { padding: 5px 7px; }
}