/* Recbolt landing. Usa tokens.css (--rb-*). Sin dependencias externas. */

:root {
  --gutter: clamp(20px, 4vw, 56px);
  --page: #EAF1F2;            /* página de demostración dentro de la maqueta */
  --on-dark: #E4EEF0;
  --on-dark-muted: #9DB3B8;
  --dark-line: #1D3A41;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-padding-top: 80px;
  scrollbar-color: var(--rb-ink-3) var(--rb-bg);
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--rb-bg);
  color: var(--rb-text);
  font: var(--rb-fw-regular) 1.0625rem/1.6 var(--rb-font-body);
  caret-color: var(--rb-rec);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--rb-ink); color: var(--rb-paper); }

a { color: inherit; text-underline-offset: 0.22em; text-decoration-thickness: 1px; }
:focus-visible { outline: var(--rb-focus-ring) solid var(--rb-focus); outline-offset: 3px; }
.demo, .foot { --rb-focus: #5C9CFF; }

h1, h2, h3 { font-family: var(--rb-font-display); font-weight: var(--rb-fw-semibold); margin: 0; text-wrap: balance; }
p { margin: 0 0 1em; }

.wrap { width: min(1240px, 100% - 2 * var(--gutter)); margin-inline: auto; }

.skip {
  position: absolute; left: var(--gutter); top: -100px; z-index: 10;
  background: var(--rb-btn-bg); color: var(--rb-btn-fg);
  padding: 10px 16px; border-radius: var(--rb-radius-md); font-weight: 600;
}
.skip:focus { top: 12px; }

/* ---------- Marca ---------- */
.wordmark { font: var(--rb-fw-bold) 1.375rem/1 var(--rb-font-display); letter-spacing: var(--rb-tracking-logo); }
.wordmark.small { font-size: 1.125rem; }
.o { color: var(--rb-rec); font-weight: inherit; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 20px;
  border: 1px solid transparent; border-radius: var(--rb-radius-md);
  font: var(--rb-fw-semibold) 0.95rem/1 var(--rb-font-body);
  text-decoration: none; cursor: pointer;
  transition: background-color var(--rb-dur-fast) var(--rb-ease), transform var(--rb-dur-fast) var(--rb-ease);
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--rb-btn-bg); color: var(--rb-btn-fg); }
.btn-inverse { background: var(--on-dark); color: #0A1D22; }
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: var(--rb-btn-bg-hover); }
  .btn-inverse:hover { background: #FFFFFF; }
}
.btn-lg { min-height: 54px; padding: 0 26px; font-size: 1.05rem; }
.btn-block { display: flex; }

/* ---------- Encabezado ---------- */
.top {
  width: min(1240px, 100% - 2 * var(--gutter)); margin-inline: auto;
  display: flex; align-items: center; gap: 24px; padding-block: 18px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 30px; height: 30px; color: var(--rb-ink); }
.top-nav { display: flex; gap: 28px; margin-left: auto; }
.top-nav a { text-decoration: none; font-size: 0.95rem; color: var(--rb-text-muted); }
.top-nav a:hover { color: var(--rb-text); text-decoration: underline; }
.top .btn { min-height: 40px; }

/* ---------- Héroe ---------- */
.hero { width: min(1240px, 100% - 2 * var(--gutter)); margin-inline: auto; padding-top: clamp(40px, 7vw, 96px); }
.hero h1 {
  font-size: clamp(2.6rem, 8.2vw, 6rem); line-height: 0.98; letter-spacing: -0.035em;
  max-width: 14ch;
}
.lead { margin-top: 28px; max-width: 58ch; font-size: clamp(1.05rem, 1.6vw, 1.28rem); line-height: 1.5; color: var(--rb-text-muted); }

.path { list-style: none; margin: 56px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.path-step { position: relative; padding-top: 48px; padding-right: 16px; }
.path-dot { position: absolute; left: 0; top: 14px; width: 12px; height: 12px; border-radius: 50%; background: var(--rb-ink); }
.path-mark { position: absolute; left: 0; top: 0; width: 40px; height: 40px; color: var(--rb-ink); }
.path-step::after { content: ""; position: absolute; top: 19px; left: 24px; right: 12px; height: 2px; background: var(--rb-ink); }
.path-here::after { left: 52px; }
.path-step:last-child::after { display: none; }
.path-label { font: var(--rb-fw-semibold) 1.2rem/1.2 var(--rb-font-display); letter-spacing: -0.01em; }
.path-note { margin: 14px 0 0; font-size: 0.95rem; color: var(--rb-text-muted); }

.cta { display: flex; align-items: center; gap: 12px 24px; flex-wrap: wrap; margin-top: 44px; }
.terms { margin: 0; max-width: 36ch; font-size: 0.92rem; color: var(--rb-text-muted); }

/* ---------- Maquetas de interfaz ---------- */
.shot { margin: clamp(48px, 7vw, 88px) 0 0; }
.shot figcaption, .note { margin: 10px 0 0; font-size: 0.8rem; color: var(--rb-text-subtle); }
.win {
  height: clamp(220px, 28vw, 330px); overflow: hidden;
  border: 1px solid var(--rb-border); border-bottom: 0; border-radius: var(--rb-radius-lg) var(--rb-radius-lg) 0 0;
  background: var(--rb-bg-raised);
}
.win-bar { display: flex; align-items: center; gap: 6px; min-height: 40px; padding: 8px 16px; border-bottom: 1px solid var(--rb-border); background: var(--rb-bg); font-size: 0.8rem; color: var(--rb-text-muted); }
.win-bar i { width: 10px; height: 10px; border-radius: 50%; border: 1px solid var(--rb-text-subtle); }
.win-bar span { margin-left: 14px; }
.lib { padding: 6px clamp(14px, 2vw, 24px); }
.lib-row { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto auto; align-items: center; gap: 16px; padding: 14px 0; border-top: 1px solid var(--rb-border); }
.lib-row:first-child { border-top: 0; }
.lib-row.single { grid-template-columns: 72px minmax(0, 1fr) auto; padding: 16px 18px; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-lg); background: var(--rb-bg-raised); }
.thumb { --s: var(--rb-text-subtle); --l: var(--rb-line); width: 72px; height: 44px; flex: none; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm); background-color: var(--rb-bg); background-repeat: no-repeat; display: block; }
.t1 { background-image: linear-gradient(var(--l), var(--l)), linear-gradient(var(--s), var(--s)), linear-gradient(var(--s), var(--s)), linear-gradient(var(--s), var(--s)), linear-gradient(var(--s), var(--s));
  background-position: 6px 5px, 8px 26px, 21px 20px, 34px 13px, 47px 22px; background-size: 24px 3px, 8px 12px, 8px 18px, 8px 25px, 8px 16px; }
.t2 { background-image: linear-gradient(var(--l), var(--l)), linear-gradient(var(--l), var(--l)), linear-gradient(var(--l), var(--l)), linear-gradient(var(--s), var(--s));
  background-position: 6px 6px, 6px 15px, 6px 24px, 44px 31px; background-size: 40px 3px, 58px 5px, 58px 5px, 20px 7px; }
.t3 { background-image: linear-gradient(var(--s), var(--s)), linear-gradient(var(--l), var(--l)), linear-gradient(var(--l), var(--l)), linear-gradient(var(--l), var(--l));
  background-position: 6px 6px, 6px 16px, 6px 24px, 6px 32px; background-size: 58px 6px, 44px 3px, 52px 3px, 30px 3px; }
.t4 { background-image: linear-gradient(var(--s), var(--s)), linear-gradient(var(--l), var(--l)), linear-gradient(var(--l), var(--l));
  background-position: 6px 6px, 6px 22px, 6px 31px; background-size: 36px 4px, 58px 3px, 40px 3px; }
.lib-main { min-width: 0; }
.lib-main b { display: block; font: var(--rb-fw-semibold) 0.95rem/1.3 var(--rb-font-body); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-main small { font-size: 0.82rem; color: var(--rb-text-subtle); }
.tag { font-size: 0.75rem; line-height: 1; padding: 5px 9px; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm); color: var(--rb-text-muted); white-space: nowrap; }
.mini-btn { font: var(--rb-fw-semibold) 0.8rem/1 var(--rb-font-body); padding: 8px 12px; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-md); white-space: nowrap; }

/* ---------- Demostración ---------- */
.demo { margin-top: 56px; background: var(--rb-bar-bg); color: var(--on-dark); padding-block: clamp(64px, 9vw, 120px); padding-inline: max(var(--gutter), 16px); }
.demo .wrap { width: min(1240px, 100%); }
.demo-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(32px, 6vw, 96px); align-items: center; }
.demo h2 { font-size: clamp(2.2rem, 5vw, 3.75rem); line-height: 1; letter-spacing: -0.035em; margin-bottom: 18px; }
.demo-copy p { color: var(--on-dark-muted); max-width: 36ch; margin: 0; }

.stage { position: relative; height: 440px; }
.stage-art { position: absolute; inset: 0; }
.doc { position: absolute; inset: 0; background: var(--page); border-radius: var(--rb-radius-lg); padding: 28px 32px; color: #0A1D22; }
.doc-h { margin: 0; font: var(--rb-fw-semibold) 1.15rem/1.2 var(--rb-font-display); letter-spacing: -0.01em; }
.doc-p { margin: 4px 0 14px; font-size: 0.85rem; color: #3F5258; }
.doc-t { margin: 0; width: min(100%, 300px); font-size: 0.85rem; }
.doc-t div { display: flex; justify-content: space-between; padding: 7px 0; border-top: 1px solid #CFDADD; }
.doc-t dt, .doc-t dd { margin: 0; }
.doc-t dd { font: var(--rb-fw-medium) 0.8rem/1.4 var(--rb-font-mono); font-variant-numeric: tabular-nums; }
.demo-note { position: absolute; left: 0; bottom: -34px; margin: 0; font-size: 0.8rem; color: var(--on-dark-muted); }

.bubble { position: absolute; left: 28px; bottom: 28px; width: 128px; height: 128px; border-radius: 50%; border: 4px solid var(--rb-bubble-ring); background: #B7C6CA; box-shadow: 0 10px 28px rgb(10 29 34 / 0.3); }
.bubble::before { content: ""; position: absolute; left: 50%; top: 50%; width: 44px; height: 44px; margin: -22px 0 0 -22px; border-radius: 50%; border: 4px solid #5F7A81; }
.bubble::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%; background: #5F7A81; }

.bar {
  position: absolute; left: 176px; bottom: 59px;
  display: flex; align-items: center; gap: 4px; padding: 8px 10px 8px 18px;
  background: var(--rb-bar-bg); color: var(--rb-bar-fg);
  border-radius: var(--rb-radius-pill);
  box-shadow: var(--rb-shadow-float);
}
.bar-time { display: flex; align-items: center; gap: 10px; margin-right: 8px; min-width: 92px; font: var(--rb-fw-medium) 1.2rem/1 var(--rb-font-mono); font-variant-numeric: tabular-nums; }
.bar-time b { width: 12px; height: 12px; border-radius: 50%; background: var(--rb-bar-dot); display: block; }
.bar-div { width: 1px; height: 24px; background: var(--rb-bar-divider); margin: 0 6px; }
.bar-btn { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; }
.bar-btn svg { width: 26px; height: 26px; fill: none; stroke: var(--rb-bar-fg); stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

.callouts { position: absolute; inset: 0; list-style: none; margin: 0; padding: 0; --bx: 176px; pointer-events: none; }
.callouts li {
  position: absolute; bottom: 131px; left: calc(var(--bx) + var(--x)); height: var(--h);
  padding-left: 9px; border-left: 1px solid #3F5258;
  font-size: 0.9rem; font-weight: 600; line-height: 1.2; color: #0A1D22; white-space: nowrap;
  background: none;
}
.c-time    { --x: 40px;  --h: 120px; }
.c-pause   { --x: 143px; --h: 100px; }
.c-restart { --x: 195px; --h: 80px; }
.c-discard { --x: 247px; --h: 60px; }
.c-pen     { --x: 299px; --h: 40px; }
.callouts .c-cam { left: 92px; bottom: 156px; --h: 44px; padding: 0 9px 0 0; border-left: 0; border-right: 1px solid #3F5258; transform: translateX(-100%); }

/* ---------- Cómo funciona ---------- */
.how { margin-top: clamp(72px, 9vw, 120px); }
.how h2, .prices h2, .faq h2 { line-height: 1; letter-spacing: -0.035em; }
.how h2 { font-size: clamp(2.6rem, 6.4vw, 5rem); }
.prices h2 { font-size: clamp(1.9rem, 3.8vw, 2.9rem); }
.faq h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.steps { list-style: none; margin: 56px 0 0; padding: 0; display: grid; gap: clamp(48px, 7vw, 96px); position: relative; }
.steps::before { content: ""; position: absolute; left: 14px; top: 10px; bottom: 10px; width: 2px; background: var(--rb-ink); }
.step { display: grid; grid-template-columns: 64px minmax(0, 5fr) minmax(0, 7fr); gap: 0 clamp(16px, 3vw, 40px); align-items: start; }
.step-n { position: relative; z-index: 1; justify-self: start; padding: 4px 8px 8px 0; background: var(--rb-bg); font: var(--rb-fw-semibold) 2.75rem/1 var(--rb-font-display); letter-spacing: -0.03em; }
.step-text h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); line-height: 1.1; letter-spacing: -0.02em; margin: 4px 0 12px; }
.step-text p { max-width: 36ch; color: var(--rb-text-muted); margin: 0; }
.step-b .step-art { justify-self: end; width: min(100%, 520px); }

.popup { width: min(100%, 320px); border: 1px solid var(--rb-border); border-radius: var(--rb-radius-lg); background: var(--rb-bg-raised); box-shadow: var(--rb-shadow-pop); overflow: hidden; }
.popup-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--rb-border); }
.quota { font: var(--rb-fw-medium) 0.75rem/1 var(--rb-font-mono); color: var(--rb-text-subtle); }
.popup > .seg, .popup > .tog, .popup > .btn { margin: 14px 16px 0; }
.popup > .btn { margin-bottom: 16px; }
.seg { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rb-border); border-radius: var(--rb-radius-md); overflow: hidden; }
.seg span { display: grid; justify-items: center; gap: 4px; padding: 10px 4px; font: var(--rb-fw-medium) 0.8rem/1 var(--rb-font-body); color: var(--rb-text-muted); }
.seg .on { background: var(--rb-btn-bg); color: var(--rb-btn-fg); }
.seg svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.tog { display: flex; justify-content: space-between; align-items: center; font-size: 0.9rem; }
.sw { position: relative; width: 36px; height: 20px; border-radius: var(--rb-radius-pill); background: var(--rb-border); display: block; }
.sw::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--rb-bg-raised); box-shadow: 0 0 0 1px var(--rb-text-subtle); }
.sw.on { background: var(--rb-btn-bg); }
.sw.on::after { left: 18px; background: var(--rb-btn-fg); box-shadow: none; }

.share { width: min(100%, 380px); border: 1px solid var(--rb-border); border-radius: var(--rb-radius-lg); background: var(--rb-bg-raised); padding: 16px; display: grid; gap: 14px; }
.share-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--rb-border); }
.share-tabs span { padding: 8px 12px; font-size: 0.9rem; color: var(--rb-text-muted); }
.share-tabs .on { color: var(--rb-text); box-shadow: inset 0 -2px 0 var(--rb-ink); }
.share-field { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm); font: var(--rb-fw-medium) 0.8rem/1 var(--rb-font-mono); color: var(--rb-text-muted); overflow: hidden; white-space: nowrap; }
.share-field svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Precios ---------- */
.prices { margin-top: clamp(88px, 11vw, 148px); }
.plans { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr); margin-top: 48px; border-top: 2px solid var(--rb-ink); }
.plan { padding: 28px 28px 32px; border-left: 1px solid var(--rb-border); }
.plan:first-child { border-left: 0; padding-left: 0; }
.plan h3 { font-size: 1.5rem; letter-spacing: -0.02em; }
.price { margin: 20px 0 10px; font: var(--rb-fw-semibold) clamp(2.75rem, 5.5vw, 4.25rem)/1 var(--rb-font-display); letter-spacing: -0.035em; }
.price span { display: block; margin-top: 8px; font: var(--rb-fw-regular) 1rem/1.3 var(--rb-font-body); letter-spacing: 0; color: var(--rb-text-muted); }
.plan p { color: var(--rb-text-muted); max-width: 32ch; }
.plan .price { color: var(--rb-text); max-width: none; }
.plan-free .btn { margin-top: 12px; }
.soon { display: inline-block; margin: 8px 0 0; padding: 6px 10px; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm); font: var(--rb-fw-semibold) 0.8rem/1 var(--rb-font-body); color: var(--rb-text); }

/* ---------- Preguntas ---------- */
.faq { margin-top: clamp(64px, 8vw, 104px); }
.faq-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(32px, 6vw, 96px); margin-top: 40px; align-items: start; }
.faq details { border-top: 1px solid var(--rb-border); }
.faq-cols > div > details:last-child { border-bottom: 1px solid var(--rb-border); }
.faq summary { display: flex; justify-content: space-between; gap: 16px; padding: 18px 0; cursor: pointer; list-style: none; font: var(--rb-fw-semibold) 1.05rem/1.3 var(--rb-font-body); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 14px; height: 14px; margin-top: 5px;
  background:
    linear-gradient(currentColor, currentColor) center / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) center / 2px 100% no-repeat;
}
.faq details[open] summary::after {
  background:
    linear-gradient(currentColor, currentColor) center / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) center / 2px 0 no-repeat;
}
.faq details p { margin: 0 0 20px; max-width: 52ch; color: var(--rb-text-muted); }

/* ---------- Pie ---------- */
.foot { margin-top: clamp(96px, 12vw, 160px); background: var(--rb-bar-bg); color: var(--on-dark); padding-top: clamp(48px, 6vw, 80px); overflow: hidden; }
.foot-grid { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 32px; }
.foot-cta p { margin: 14px 0 0; font-size: 0.95rem; color: var(--on-dark-muted); }
.foot-links { display: flex; gap: 28px; }
.foot-links a { color: var(--on-dark); font-size: 0.95rem; }
.foot-word {
  width: min(1240px, 100% - 2 * var(--gutter)); margin: clamp(40px, 6vw, 80px) auto 0;
  font: var(--rb-fw-bold) min(28.5vw, 24rem)/0.8 var(--rb-font-display); letter-spacing: var(--rb-tracking-logo);
  white-space: nowrap; color: var(--on-dark);
}
.foot-word .o, .demo .o, .foot .o { color: var(--rb-bar-dot); }
.foot-legal { margin: 0 auto; padding: 22px 0 30px; font-size: 0.85rem; color: var(--on-dark-muted); }


/* ---------- Movimiento (etapa 5c) ----------
   Solo transform y opacity. Todo visible por defecto: las animaciones parten de un estado
   inicial con fill-mode "backwards", así que si no corren, la página queda completa. */
@keyframes path-draw   { from { transform: scaleX(0); } }
@keyframes path-draw-y { from { transform: scaleY(0); } }
@keyframes path-node   { from { opacity: 0; transform: scale(0.6); } }
@keyframes path-mark   { from { opacity: 0; transform: scale(0.85); } }
@keyframes path-label  { from { opacity: 0; transform: translateY(4px); } }
@keyframes soft-in     { from { opacity: 0; } }
@keyframes rec-pulse   { 50% { opacity: 0.3; } }

.path-step:nth-child(1) { --d: 0.1s; }
.path-step:nth-child(2) { --d: 0.6s; }
.path-step:nth-child(3) { --d: 1.1s; }
.path-step:nth-child(4) { --d: 1.6s; }

@media (prefers-reduced-motion: no-preference) {
  .path-step::after { transform-origin: left center; animation: path-draw 380ms var(--rb-ease) calc(var(--d) + 0.16s) backwards; }
  .path-dot { animation: path-node 260ms var(--rb-ease) var(--d) backwards; }
  .path-mark { animation: path-mark 320ms var(--rb-ease) var(--d) backwards; }
  .path-label { animation: path-label 300ms var(--rb-ease) calc(var(--d) + 0.06s) backwards; }
  .bar-time b { animation: rec-pulse 1.6s ease-in-out infinite; }
  .faq details[open] p { transition: opacity var(--rb-dur) var(--rb-ease), transform var(--rb-dur) var(--rb-ease); }
  @starting-style { .faq details[open] p { opacity: 0; transform: translateY(-4px); } }
}
@media (prefers-reduced-motion: no-preference) and (max-width: 720px) {
  .path-step::after { transform-origin: top center; animation-name: path-draw-y; }
}
@media (prefers-reduced-motion: reduce) {
  .path { animation: soft-in 200ms ease backwards; }
  .btn:active { transform: none; }
}

/* ---------- Pantallas estrechas ---------- */
@media (max-width: 1100px) {
  .demo-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .plans { grid-template-columns: 1fr; }
  .plan { border-left: 0; border-top: 1px solid var(--rb-border); padding: 24px 0 28px; }
  .plan:first-child { border-top: 0; }
  .faq-cols { grid-template-columns: 1fr; }
  .faq-cols > div:first-child > details:last-child { border-bottom: 0; }
  .step { grid-template-columns: 48px minmax(0, 1fr); gap: 0 16px; }
  .step-art, .step-b .step-art { grid-column: 2; margin-top: 24px; justify-self: start; width: 100%; }
}

@media (max-width: 720px) {
  .top { flex-wrap: wrap; row-gap: 10px; }
  .top .btn { margin-left: auto; }
  .top-nav { order: 3; width: 100%; margin-left: 0; gap: 22px; overflow-x: auto; }
  .top-nav a { padding-block: 8px; }
  .path { grid-template-columns: 1fr; }
  .path-step { padding: 0 0 28px 56px; min-height: 40px; }
  .path-dot { left: 14px; top: 8px; }
  .path-mark { left: 0; top: -6px; }
  .path-step::after { top: 26px; left: 19px; right: auto; width: 2px; height: calc(100% - 18px); }
  .path-here::after { top: 38px; left: 19px; height: calc(100% - 30px); }
  .lib-row, .lib-row.single { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
  .lib-main { flex: 1 1 calc(100% - 100px); }
  .lib-main b { white-space: normal; }
  .lib-row .tag, .lib-row .mini-btn { margin-left: 88px; }
  .lib-row .tag + .mini-btn { margin-left: 0; }
  .stage { height: auto; padding-bottom: 0; }
  .stage-art { position: relative; height: 340px; }
  .callouts { position: static; display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 20px; --bx: 0px; }
  .callouts li, .callouts .c-cam { position: static; height: auto; padding: 0; border: 0; transform: none; }
  .callouts li { color: var(--on-dark); font-weight: 400; }
  .callouts li::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--on-dark-muted); vertical-align: middle; }
  .bubble { width: 96px; height: 96px; left: auto; right: 20px; bottom: 92px; }
  .bubble::before { width: 34px; height: 34px; margin: -17px 0 0 -17px; }
  .demo-note { position: static; margin-top: 14px; }
  .doc-t { width: min(100%, 230px); }
  .bar { left: 50%; bottom: 28px; transform: translateX(-50%); padding-left: 14px; }
  .bar-time { font-size: 1rem; }
  .bar-btn { width: 40px; height: 40px; }
  .bar-btn svg { width: 22px; height: 22px; }
}

@media (max-width: 420px) {
  .bar { transform: translateX(-50%) scale(0.86); transform-origin: bottom center; }
}