/* ContextDeck para estudios (landing v2, 2026-10).
   One calm column of paper documents on a cool desk, in the app's own indigo
   and Windows' own type: the page and the program look like one product, and
   nothing is fetched from a third party before the visitor says yes. */
:root {
  --desk: #f3f5f9;
  --paper: #ffffff;
  --ink: #141833;
  --ink-soft: #4a5068;
  --line: #dfe3ec;
  --brand: #4338ca;
  --brand-hover: #3730a3;
  --on-brand: #ffffff;
  --brand-soft: #eceefe;
  --brand-ink: #2e2a85;
  --ok: #17663a;
  --ok-soft: #e7f6ec;
  --warn: #8a4b00;
  --warn-soft: #fff3dc;
  --hidden: #e4e6ff;
  --night: #141833;
  --night-soft: #c3c7e2;
  --night-line: #4b4f86;
  --display: 'Segoe UI Variable Display', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --body: 'Segoe UI Variable Text', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono: 'Cascadia Mono', Consolas, 'SF Mono', monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --desk: #0f1222; --paper: #181c33; --ink: #eceefb; --ink-soft: #a9aec8; --line: #2b3050;
    --brand: #8b8ff8; --brand-hover: #a5a8ff; --on-brand: #0f1222; --brand-soft: #24285a; --brand-ink: #c9cbff;
    --ok: #6fd69a; --ok-soft: #133224; --warn: #f3b960; --warn-soft: #372812; --hidden: #2c3070;
    --night: #0a0c18;
    color-scheme: dark;
  }
}
*, *::before, *::after { box-sizing: border-box; }
/* A display rule on a class must never show what is hidden (a tab panel, an offer not yet live). */
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--desk); color: var(--ink); font: 400 17px/1.6 var(--body); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1120px; margin: 0 auto; padding-inline: 20px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.12; letter-spacing: -0.015em; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.3rem, 5vw, 3.7rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0; }
a { color: var(--brand); }
.eyebrow { font: 600 0.78rem/1 var(--body); letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand); }
.lede { color: var(--ink-soft); font-size: 1.12rem; max-width: 62ch; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--paper); padding: 8px 12px; border-radius: 6px; z-index: 50; }
.skip:focus { left: 8px; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 10px; font: 600 1rem var(--body); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background-color 150ms ease, border-color 150ms ease; }
.btn-primary { background: var(--brand); color: var(--on-brand); }
.btn-primary:hover { background: var(--brand-hover); }
.btn-quiet { background: var(--paper); color: var(--ink); border-color: var(--line); }
.btn-quiet:hover { border-color: var(--brand); }
.btn small { font-weight: 500; opacity: 0.8; }

/* The brand mark: a hidden value, as the app draws it. */
.mark { display: inline-flex; align-items: center; gap: 4px; padding: 0 7px; border-radius: 5px; background: var(--hidden); color: var(--brand-ink); font: 600 0.82em var(--body); white-space: nowrap; vertical-align: baseline; }
.mark svg { width: 0.8em; height: 0.8em; flex: none; }

/* Nav */
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: color-mix(in srgb, var(--desk) 90%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font: 700 1.05rem var(--display); color: var(--ink); text-decoration: none; }
.logo i { width: 30px; height: 30px; border-radius: 8px; background: var(--brand); color: var(--on-brand); font: 700 0.8rem/30px var(--display); text-align: center; font-style: normal; }
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--ink-soft); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--ink); }
.nav .btn { min-height: 40px; padding: 0 16px; font-size: 0.92rem; }
.nav-lang { display: inline-flex; align-items: center; min-height: 40px; padding: 0 12px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); font-weight: 600; font-size: 0.9rem; text-decoration: none; }
.nav-lang:hover { border-color: var(--brand); }
/* On phones the section links go; the language switch and the download stay. */
@media (max-width: 820px) { .nav-links { display: none; } .nav-lang { margin-left: auto; } .nav .wrap { gap: 10px; } }
.nav .btn { white-space: nowrap; }
@media (max-width: 440px) { .nav-extra { display: none; } }

/* Hero */
.hero { padding-block: 60px 52px; }
.hero > .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.hero-copy { display: grid; gap: 22px; min-width: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.trust { display: flex; flex-wrap: wrap; gap: 6px 18px; color: var(--ink-soft); font-size: 0.92rem; list-style: none; padding: 0; margin: 0; }
.trust li { display: inline-flex; align-items: center; gap: 6px; }
.trust svg { color: var(--ok); width: 16px; height: 16px; flex: none; }
@media (max-width: 920px) { .hero > .wrap { grid-template-columns: 1fr; gap: 36px; } }

.doc-stage { display: grid; gap: 12px; min-width: 0; }
.doc-switch { display: inline-flex; padding: 4px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); justify-self: start; }
.doc-switch button { border: 0; background: none; padding: 8px 14px; border-radius: 9px; font: 600 0.9rem var(--body); color: var(--ink-soft); cursor: pointer; }
.doc-switch button[aria-pressed="true"] { background: var(--brand-soft); color: var(--brand-ink); }
.doc { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 1px 0 var(--line), 0 20px 44px -26px rgba(20, 24, 51, 0.4); padding: 24px 24px 20px; font-size: 0.92rem; min-width: 0; }
.doc-head { display: flex; justify-content: space-between; gap: 12px; border-bottom: 2px solid var(--ink); padding-bottom: 10px; margin-bottom: 10px; }
.doc-head strong { font: 700 1rem var(--display); }
.doc-head span { color: var(--ink-soft); font-size: 0.8rem; }
.doc-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.doc-table td { padding: 6px 0; border-bottom: 1px dashed var(--line); vertical-align: top; }
.doc-table td:first-child { color: var(--ink-soft); width: 44%; padding-right: 10px; }
.doc-table td:last-child { font-family: var(--mono); font-size: 0.86rem; overflow-wrap: anywhere; }
.doc .mark { display: none; font-family: var(--body); }
.doc.is-safe .val { display: none; }
.doc.is-safe .mark { display: inline-flex; }
.doc-foot { margin-top: 12px; display: grid; gap: 8px; }
.check { display: flex; gap: 8px; align-items: flex-start; padding: 8px 10px; border-radius: 6px; background: var(--ok-soft); color: var(--ok); font-weight: 600; font-size: 0.86rem; }
.check svg { width: 16px; height: 16px; flex: none; margin-top: 3px; }
.doc-note { color: var(--ink-soft); font-size: 0.85rem; min-height: 2.7em; }

/* Bands */
.band { padding-block: 76px; }
.band-head { display: grid; gap: 12px; margin-bottom: 36px; max-width: 780px; }
.paper { background: var(--paper); border-block: 1px solid var(--line); }

.facts-band { border-block: 1px solid var(--line); background: var(--paper); }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.facts div:first-child { padding-left: 0; }
.facts div { padding: 22px 20px; display: grid; gap: 4px; align-content: start; }
.facts div + div { border-left: 1px solid var(--line); }
.facts strong { font: 700 1.9rem/1.1 var(--display); font-variant-numeric: tabular-nums; }
.facts span { color: var(--ink-soft); font-size: 0.92rem; }
@media (max-width: 820px) { .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); } .facts div:nth-child(3) { border-left: 0; } .facts div:nth-child(n+3) { border-top: 1px solid var(--line); } }

.problem { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 2px solid var(--ink); }
.problem div { padding: 22px 22px 0 0; display: grid; gap: 8px; align-content: start; }
.problem div + div { padding-left: 22px; border-left: 1px solid var(--line); }
.problem strong { font: 700 1.3rem/1.2 var(--display); }
.problem p { color: var(--ink-soft); }
@media (max-width: 820px) { .problem { grid-template-columns: 1fr; } .problem div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); padding-top: 18px; } }

.steps { display: grid; gap: 64px; }
.step { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 44px; align-items: center; }
.step:nth-child(even) .step-copy { order: 2; }
.step-copy { display: grid; gap: 12px; min-width: 0; }
.step-num { font: 700 0.85rem var(--display); color: var(--brand); letter-spacing: 0.06em; text-transform: uppercase; }
.step-copy p { color: var(--ink-soft); }
.shot { margin: 0; border-radius: 12px; border: 1px solid var(--line); box-shadow: 0 26px 54px -32px rgba(20, 24, 51, 0.5); overflow: hidden; background: #fff; min-width: 0; }
.shot figcaption { padding: 10px 14px; font-size: 0.84rem; color: var(--ink-soft); background: var(--paper); border-top: 1px solid var(--line); }
.shot-pair { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 880px) { .step { grid-template-columns: 1fr; gap: 20px; } .step:nth-child(even) .step-copy { order: 0; } }
@media (max-width: 560px) { .shot-pair { grid-template-columns: 1fr; } }

.tabs { display: inline-flex; gap: 4px; padding: 4px; border-radius: 12px; background: var(--desk); border: 1px solid var(--line); margin-bottom: 24px; }
.tabs button { border: 0; background: none; padding: 10px 18px; border-radius: 9px; font: 600 0.95rem var(--body); color: var(--ink-soft); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--paper); color: var(--ink); box-shadow: 0 1px 2px rgba(20, 24, 51, 0.12); }
.segment { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.segment ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.segment li { display: grid; gap: 2px; }
.segment li strong { font-weight: 600; }
.segment li span { color: var(--ink-soft); }
.asks { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.asks span { padding: 4px 10px; border-radius: 99px; background: var(--brand-soft); color: var(--brand-ink); font-size: 0.85rem; font-weight: 600; }
@media (max-width: 880px) { .segment { grid-template-columns: 1fr; } }

.hides { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.hide-card { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 20px; display: grid; gap: 10px; align-content: start; }
.hide-card.is-limit { background: var(--warn-soft); border-color: transparent; }
.hide-card.is-limit h3 { color: var(--warn); }
.hide-card ul { margin: 0; padding-left: 18px; color: var(--ink-soft); display: grid; gap: 4px; }
@media (max-width: 880px) { .hides { grid-template-columns: 1fr; } }

.flow { margin-top: 28px; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr); gap: 12px; align-items: stretch; }
.flow-box { border: 1px solid var(--line); border-radius: 10px; padding: 16px; background: var(--paper); display: grid; gap: 6px; align-content: start; }
.flow-box.is-local { border: 2px solid var(--brand); }
.flow-box b { font: 700 1rem var(--display); }
.flow-box span { color: var(--ink-soft); font-size: 0.9rem; }
.flow-arrow { align-self: center; color: var(--brand); font: 700 1.4rem var(--display); }
.flow-note { margin-top: 14px; color: var(--ink-soft); font-size: 0.92rem; }
@media (max-width: 880px) { .flow { grid-template-columns: 1fr; } .flow-arrow { transform: rotate(90deg); justify-self: center; } }

.acta { background: var(--night); color: #eef0fb; }
.acta > .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.acta .eyebrow { color: #a9adff; }
.acta .lede { color: var(--night-soft); }
.acta a { color: #c9cbff; }
.record { position: relative; background: #fff; color: #141833; border-radius: 4px; padding: 24px; font: 400 0.82rem/1.6 var(--mono); box-shadow: 0 30px 60px -30px #000; min-width: 0; overflow-x: auto; }
.record b { font-family: var(--display); font-size: 1.05rem; display: block; margin-bottom: 8px; }
.record hr { border: 0; border-top: 1px dashed #c5c9d8; margin: 10px 0; }
.seal { position: absolute; right: 18px; top: 18px; width: 74px; height: 74px; border-radius: 50%; border: 2px solid #4338ca; color: #4338ca; display: grid; place-items: center; text-align: center; font: 700 0.6rem/1.15 var(--body); letter-spacing: 0.06em; text-transform: uppercase; transform: rotate(-12deg); opacity: 0.85; }
.law { margin-top: 6px; display: grid; gap: 6px; font-size: 0.9rem; color: var(--night-soft); border-left: 2px solid var(--night-line); padding-left: 14px; }
.law strong { color: #eef0fb; }
@media (max-width: 880px) { .acta > .wrap { grid-template-columns: 1fr; } }

.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
.plan { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 24px; display: grid; gap: 14px; align-content: start; grid-template-rows: auto auto auto auto 1fr auto; }
.plan.is-main { border: 2px solid var(--brand); }
.plan .price { font: 700 2.1rem/1 var(--display); font-variant-numeric: tabular-nums; }
.plan .price small { font: 500 0.9rem var(--body); color: var(--ink-soft); }
.plan .usd { color: var(--ink-soft); font-size: 0.88rem; margin-top: -6px; }
.plan .for { color: var(--ink-soft); font-size: 0.95rem; }
.plan ul { margin: 0; padding-left: 18px; display: grid; gap: 4px; align-content: start; }
.plan-actions { display: grid; gap: 8px; }
.plan-actions .btn { width: 100%; }
.plan-actions .link { background: none; border: 0; color: var(--brand); font: 600 0.92rem var(--body); cursor: pointer; text-decoration: underline; padding: 4px; }
.badge { justify-self: start; padding: 3px 10px; border-radius: 99px; background: var(--brand-soft); color: var(--brand-ink); font-size: 0.78rem; font-weight: 700; }
.plans-note { margin-top: 16px; color: var(--ink-soft); font-size: 0.9rem; }
@media (max-width: 920px) { .plans { grid-template-columns: 1fr; } }

.founders { margin-top: 24px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px; align-items: center; padding: 22px 24px; border-radius: 12px; border: 1px dashed var(--brand); background: var(--brand-soft); }
.founders p { color: var(--ink-soft); }
@media (max-width: 760px) { .founders { grid-template-columns: 1fr; } }

.who { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 20px; align-items: center; max-width: 780px; }
.who-mark { width: 64px; height: 64px; border-radius: 16px; background: var(--brand); color: var(--on-brand); display: grid; place-items: center; font: 700 1.3rem var(--display); }
.who p { color: var(--ink-soft); }

.faq { display: grid; gap: 10px; max-width: 840px; }
.faq details { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 0 18px; }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--brand); font-weight: 700; }
.faq details[open] summary::after { content: '–'; }
.faq details p { padding-bottom: 16px; color: var(--ink-soft); }

.final-cta > .wrap { display: grid; gap: 18px; justify-items: start; }
footer { padding-block: 32px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 0.88rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; }
footer a { color: var(--ink-soft); }

/* The 60-second demo: self-hosted, so nothing from a third party loads before consent. */
.demo { display: block; width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); background: #141833; box-shadow: 0 26px 54px -32px rgba(20, 24, 51, 0.5); }
.video-desc { margin-top: 12px; color: var(--ink-soft); font-size: 0.92rem; max-width: 70ch; }

/* v3 (2026-10): the Store badge and a video that asks to be played. */
.store-badge { justify-self: start; display: inline-block; }
.store-badge img { height: 52px; width: auto; }
.video-frame { position: relative; }
.play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 96px; height: 96px; border: 0; border-radius: 50%; background: var(--brand); color: var(--on-brand); display: grid; place-items: center; cursor: pointer; box-shadow: 0 18px 40px -12px rgba(20, 24, 51, 0.6); transition: transform 150ms ease; }
.play:hover { transform: translate(-50%, -50%) scale(1.06); }
.play svg { width: 44px; height: 44px; margin-left: 6px; }
.video-frame.is-playing .play { display: none; }
.shot.narrow { max-width: 560px; justify-self: center; width: 100%; }
.acta-copy { display: grid; gap: 18px; min-width: 0; }
.hides-dark { display: grid; gap: 14px; margin: 0; }
.hides-dark div { border-left: 2px solid var(--night-line); padding-left: 14px; }
.hides-dark dt { font-weight: 700; color: #eef0fb; }
.hides-dark dd { margin: 2px 0 0; color: var(--night-soft); }
@media (max-width: 560px) { .play { width: 72px; height: 72px; } .play svg { width: 34px; height: 34px; } }
/* v3: shorter page. Tighter bands, the steps as three columns, the video at reading width. */
.band { padding-block: 56px; }
.band-head { margin-bottom: 28px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.step-card { display: grid; gap: 10px; align-content: start; padding: 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--desk); }
.step-card p { color: var(--ink-soft); }
.video-frame { max-width: 960px; margin-inline: auto; }
#video .band-head, #video .video-desc { max-width: 960px; margin-inline: auto; }
@media (max-width: 880px) { .steps-grid { grid-template-columns: 1fr; } }

/* Motion (2026-10): only what shows the product working. Everything stays
   still for anyone who asked their system for less motion. */
.doc { position: relative; overflow: hidden; }
.scanner { position: absolute; left: 0; right: 0; top: -64px; height: 60px; pointer-events: none; opacity: 0;
  background: linear-gradient(180deg, transparent, rgba(67, 56, 202, 0.12)); border-bottom: 2px solid rgba(67, 56, 202, 0.55); }
.doc.scanning .scanner { opacity: 1; animation: cd-scan 2.6s linear forwards; }
@keyframes cd-scan { from { top: -64px; } to { top: 100%; } }
.doc tr .val { transition: background-color 200ms ease; }
.doc tr.hit .val { background: #fde68a; color: #3b2a00; }
.doc tr.masked .val { display: none; }
.doc tr.masked .mark { display: inline-flex; animation: cd-pop 350ms ease-out; }
@keyframes cd-pop { from { transform: scale(0.6); opacity: 0; } to { transform: none; opacity: 1; } }
.doc .check { transition: opacity 400ms ease, transform 400ms ease; }
.doc.auto:not(.checked) .check { opacity: 0; transform: translateY(6px); }
video.clip { display: block; width: 100%; height: auto; background: #f3f5f9; }
html.js-anim .reveal { opacity: 0; transform: translateY(16px); transition: opacity 500ms ease, transform 500ms ease; }
html.js-anim .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js-anim .reveal { opacity: 1; transform: none; transition: none; }
  .scanner { display: none; }
  .doc tr.masked .mark { animation: none; }
}

/* The app itself, without pressing play: one large window, two smaller ones. */
.app-gallery { margin-top: 28px; display: grid; gap: 18px; }
.app-gallery .sr-title { font-size: 1.05rem; color: var(--ink-soft); font-weight: 600; }
.app-pair { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.app-gallery img { display: block; width: 100%; height: auto; }
@media (max-width: 760px) { .app-pair { grid-template-columns: 1fr; } }