/* MiCaja website — static and self-contained (no fonts, scripts or trackers from other sites). */

/* ---------- Tokens (same family as the help site) ---------- */
:root {
  --bg: #fafaf8;
  --surface: #ffffff;
  --surface-2: #f2f4f1;
  --ink: #17201a;
  --ink-2: #3f4a43;
  --muted: #5f6a63;
  --line: #e2e6e1;
  --line-strong: #cbd2cc;
  --accent: #2e7d32;
  --accent-ink: #256629;
  --accent-soft: #e9f2e9;
  --on-accent: #ffffff;
  --warn: #a8510c;
  --bezel: #1d221f;
  --shadow: 0 1px 2px rgba(20, 30, 24, .06), 0 6px 24px rgba(20, 30, 24, .07);
  --radius: 10px;
  --wrap: 1120px;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0f1311; --surface: #161b18; --surface-2: #1b221e; --ink: #e5ebe6; --ink-2: #c1cac3; --muted: #95a098;
  --line: #262f2a; --line-strong: #36423b; --accent: #6dbb72; --accent-ink: #8fd093; --accent-soft: #1a2b1e;
  --on-accent: #0f1311; --warn: #f2a765; --bezel: #050706;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 24px rgba(0, 0, 0, .3);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1311; --surface: #161b18; --surface-2: #1b221e; --ink: #e5ebe6; --ink-2: #c1cac3; --muted: #95a098;
    --line: #262f2a; --line-strong: #36423b; --accent: #6dbb72; --accent-ink: #8fd093; --accent-soft: #1a2b1e;
    --on-accent: #0f1311; --warn: #f2a765; --bezel: #050706;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 24px rgba(0, 0, 0, .3);
    color-scheme: dark;
  }
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px; line-height: 1.6;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent-ink); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; margin: 0; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--accent); color: var(--on-accent); padding: 10px 14px; border-radius: 8px; z-index: 100; font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Header ---------- */
.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 19px; letter-spacing: -0.01em; flex-shrink: 0; }
.brand img { width: 30px; height: 30px; }
.nav { display: flex; gap: 4px; margin-left: 12px; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: 15px; padding: 8px 10px; border-radius: 8px; white-space: nowrap; }
.nav a:hover { background: var(--surface-2); color: var(--ink); }
.tools { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.lang { font-size: 14px; font-weight: 600; color: var(--ink-2); text-decoration: none; padding: 7px 10px; border: 1px solid var(--line-strong); border-radius: 8px; }
.lang:hover { border-color: var(--ink-2); color: var(--ink); }
.icon-btn { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line-strong); background: transparent; color: var(--ink-2); border-radius: 8px; cursor: pointer; padding: 0; }
.icon-btn:hover { color: var(--ink); border-color: var(--ink-2); }
.icon-btn svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme-btn .i-sun { display: none; }
:root[data-theme="dark"] .theme-btn .i-sun { display: block; }
:root[data-theme="dark"] .theme-btn .i-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-btn .i-sun { display: block; }
  :root:not([data-theme="light"]) .theme-btn .i-moon { display: none; }
}
.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 16px; text-decoration: none; padding: 12px 20px; border-radius: 9px; border: 1px solid transparent; line-height: 1.2; }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 86%, var(--ink)); }
.btn-quiet { color: var(--ink); border-color: var(--line-strong); }
.btn-quiet:hover { border-color: var(--ink-2); }
.top .btn { padding: 8px 14px; font-size: 15px; }

/* ---------- Sections ---------- */
section { padding: 88px 0; border-top: 1px solid var(--line); }
.hero { border-top: 0; padding: 72px 0 80px; }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); margin: 0 0 14px; }
h2 { font-size: clamp(28px, 3.4vw, 38px); max-width: 22ch; margin-bottom: 18px; }
h3 { font-size: 20px; margin-bottom: 8px; }
.lead { font-size: 19px; color: var(--ink-2); max-width: 60ch; }
.intro { max-width: 64ch; color: var(--ink-2); }

/* Hero */
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(34px, 4.2vw, 50px); letter-spacing: -0.025em; margin-bottom: 22px; max-width: 16ch; }
.hero .lead { margin-bottom: 30px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.facts { list-style: none; padding: 0; margin: 40px 0 0; display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--muted); font-size: 15px; }
.facts li { display: flex; align-items: center; gap: 8px; }
.facts li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

/* Screenshots in device frames */
.shot { margin: 0; }
.tablet { background: var(--bezel); padding: 10px; border-radius: 20px; box-shadow: var(--shadow); }
.tablet img { display: block; width: 100%; border-radius: 10px; }
.browser { border: 1px solid var(--line-strong); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); background: var(--surface); }
.browser .bar { display: flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.browser .bar span { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.browser .bar em { margin-left: 10px; font-style: normal; font-size: 12px; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.browser img { display: block; width: 100%; }
.shot figcaption { color: var(--muted); font-size: 14px; line-height: 1.5; margin-top: 12px; }
:root[data-theme="dark"] .shot img { filter: brightness(.9); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .shot img { filter: brightness(.9); } }

/* Two audiences */
.audiences { display: grid; grid-template-columns: 1fr 1fr; margin-top: 40px; border-top: 1px solid var(--line-strong); }
.audiences > div { padding: 28px 40px 8px 0; }
.audiences > div + div { padding-left: 40px; border-left: 1px solid var(--line); }
.audiences ul { padding-left: 1.1em; margin: 12px 0 16px; color: var(--ink-2); }
.audiences li { margin: 6px 0; }
.audiences .more { font-weight: 600; text-decoration: none; }
.audiences .more:hover { text-decoration: underline; }

/* How it works: flow */
.flow { list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; }
.flow .node { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 22px 18px; }
.flow .node .where { font-size: 13px; font-weight: 600; color: var(--muted); margin: 0 0 6px; }
.flow .node h3 { font-size: 19px; }
.flow .node p { color: var(--ink-2); font-size: 15.5px; margin: 0; }
.flow .link { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 0 14px; width: 150px; text-align: center; color: var(--muted); font-size: 13px; line-height: 1.35; }
.flow .link svg { width: 100%; height: 14px; color: var(--line-strong); margin: 6px 0; }
.flow .link svg.v { display: none; }
.flow .link svg path { stroke: currentColor; stroke-width: 1.5; fill: none; }
.offline-note { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 48px; align-items: center; margin-top: 64px; }
.offline-note ul { padding-left: 1.1em; color: var(--ink-2); }
.offline-note li { margin: 8px 0; }

/* Tablet app: one transaction */
.steps { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; counter-reset: step; }
.steps > li { counter-increment: step; }
.steps .tablet { padding: 6px; border-radius: 13px; }
.steps .tablet img { border-radius: 7px; }
.steps h3 { font-size: 16px; margin: 16px 0 4px; display: flex; gap: 10px; align-items: baseline; }
.steps h3::before { content: counter(step); font-size: 13px; font-weight: 700; color: var(--accent-ink); font-variant-numeric: tabular-nums; }
.steps p { font-size: 15px; color: var(--ink-2); margin: 0; }
.rows { margin-top: 80px; display: grid; gap: 72px; }
.row { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center; }
.row.flip > :first-child { order: 2; }
.row ul { padding-left: 1.1em; color: var(--ink-2); margin: 0; }
.row li { margin: 7px 0; }
.row p { color: var(--ink-2); }

/* Centro */
.cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 48px; margin-top: 48px; }
.cols h3 { font-size: 17px; }
.cols p { color: var(--ink-2); font-size: 16px; margin: 0; }
.wide-shot { margin-top: 56px; }

/* Credit */
.credit-steps { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 2px solid var(--accent); }
.credit-steps li { padding: 20px 24px 0 0; position: relative; }
.credit-steps li + li { padding-left: 24px; border-left: 1px solid var(--line); }
.credit-steps .n { font-size: 13px; font-weight: 700; color: var(--accent-ink); font-variant-numeric: tabular-nums; display: block; margin-bottom: 8px; }
.credit-steps h3 { font-size: 17px; }
.credit-steps p { font-size: 15px; color: var(--ink-2); margin: 0; }
.score { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; margin-top: 72px; }
.score h3 { font-size: 18px; margin-bottom: 6px; }
.score .sub { color: var(--muted); font-size: 15px; margin-bottom: 20px; }
.weights { list-style: none; margin: 0; padding: 0; }
.weights li { display: grid; grid-template-columns: minmax(0, 1fr) 46px; gap: 4px 12px; margin-bottom: 14px; font-size: 15px; }
.weights .bar { grid-column: 1 / -1; height: 8px; background: var(--surface-2); border-radius: 4px; overflow: hidden; }
.weights .bar i { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.weights b { text-align: right; font-variant-numeric: tabular-nums; }
.scale { position: relative; margin: 8px 0 0; }
.scale .track { display: grid; grid-template-columns: 65fr 15fr 20fr; height: 36px; border-radius: 8px; overflow: hidden; border: 1px solid var(--line-strong); }
.scale .track span { display: flex; align-items: center; padding: 0 10px; font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; }
.scale .no { background: var(--surface-2); color: var(--muted); }
.scale .cond { background: color-mix(in srgb, var(--accent) 22%, var(--surface)); color: var(--ink); }
.scale .yes { background: var(--accent); color: var(--on-accent); }
.scale .ticks { display: grid; grid-template-columns: 65fr 15fr 20fr; font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; margin-top: 6px; }
.scale .ticks span:nth-child(2), .scale .ticks span:nth-child(3) { margin-left: -8px; }
.scale-legend { list-style: none; padding: 0; margin: 20px 0 0; font-size: 15px; color: var(--ink-2); }
.scale-legend li { margin: 6px 0; }
.scale-legend b { color: var(--ink); }
.trace { margin-top: 64px; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: start; }
.trace ul { padding-left: 1.1em; color: var(--ink-2); margin: 0; }
.trace li { margin: 8px 0; }

/* About + contact */
.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; }
.about dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 10px 24px; font-size: 16px; }
.about dt { color: var(--muted); }
.about dd { margin: 0; color: var(--ink); }
.contact { background: var(--surface); }
.contact-box { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 56px; align-items: start; }
.contact .pending { margin-top: 24px; padding: 16px 18px; border: 1px dashed var(--line-strong); border-radius: var(--radius); color: var(--ink-2); font-size: 15.5px; max-width: 52ch; }
.staff { border-left: 1px solid var(--line); padding-left: 32px; }
.staff h3 { font-size: 17px; }
.staff p { color: var(--ink-2); font-size: 15.5px; }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 32px 0 40px; color: var(--muted); font-size: 14px; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center; }
.foot nav { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-left: auto; }
.foot a { color: var(--ink-2); }

/* Text pages (privacy) */
.page { padding: 64px 0 88px; }
.page .wrap { max-width: 760px; }
.page h1 { font-size: clamp(30px, 4vw, 40px); margin-bottom: 12px; }
.page h2 { font-size: 22px; margin: 40px 0 10px; max-width: none; }
.page p, .page li { color: var(--ink-2); }
.page .updated { color: var(--muted); font-size: 15px; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .nav { display: none; }
  .hero-grid, .row, .offline-note, .score, .trace, .about, .contact-box { grid-template-columns: 1fr; gap: 36px; }
  .row.flip > :first-child { order: 0; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 20px; }
  .credit-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .credit-steps li:nth-child(3) { padding-left: 0; border-left: 0; }
  .credit-steps li { padding-bottom: 20px; }
  .flow { grid-template-columns: 1fr; }
  .flow .link { flex-direction: row; gap: 10px; padding: 10px 0; width: auto; }
  .flow .link svg.h { display: none; }
  .flow .link svg.v { display: block; width: 14px; height: 30px; margin: 0; }
  .staff { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 28px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  section { padding: 64px 0; }
  .hero { padding: 40px 0 56px; }
  .lead { font-size: 17.5px; }
  .top .wrap { gap: 10px; }
  .top .btn { display: none; }
  .audiences { grid-template-columns: 1fr; }
  .audiences > div { padding-right: 0; }
  .audiences > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .cols { grid-template-columns: 1fr; }
  .credit-steps { grid-template-columns: 1fr; }
  .credit-steps li, .credit-steps li + li { padding-left: 0; border-left: 0; }
  .credit-steps li + li { border-top: 1px solid var(--line); }
  .tablet { padding: 6px; border-radius: 13px; }
  .tablet img { border-radius: 7px; }
  .about dl { grid-template-columns: 1fr; gap: 2px; }
  .about dd { margin-bottom: 10px; }
  .foot nav { margin-left: 0; }
}

/* ---------- Print ---------- */
@media print {
  :root, :root[data-theme="dark"] { --bg: #fff; --surface: #fff; --surface-2: #f2f2f2; --ink: #000; --ink-2: #222; --muted: #555; --line: #ccc; --line-strong: #999; --accent: #2e7d32; --accent-ink: #1f5e23; --on-accent: #fff; --bezel: #222; --shadow: none; color-scheme: light; }
  body { font-size: 11pt; background: #fff; }
  .top, .skip, .actions, .theme-btn, .foot nav { display: none !important; }
  section { padding: 24px 0; break-inside: auto; }
  .hero-grid, .row, .offline-note, .score, .trace, .about, .contact-box, .flow { grid-template-columns: 1fr !important; }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .shot, .flow, .credit-steps, .score > div { break-inside: avoid; }
  .shot img { filter: none !important; }
  .hero .shot, .rows .shot { max-width: 70%; }
  a { color: inherit; text-decoration: none; }
  .contact a[href^="mailto:"]::after, .staff a::after { content: " (" attr(href) ")"; font-size: 9pt; }
}

.note-more { margin-top: 20px; color: var(--ink-2); font-size: 16px; }

/* In the field: click-to-play video (nothing loads from YouTube until play is pressed) */
.field-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center; }
.video { margin: 0; }
.video-facade { position: relative; display: block; aspect-ratio: 16 / 9; border-radius: 12px; overflow: hidden; background: #000; box-shadow: var(--shadow); }
.video-facade img { display: block; width: 100%; height: 100%; object-fit: cover; }
.video-facade .play { position: absolute; left: 50%; top: 50%; width: 76px; height: 76px; margin: -38px 0 0 -38px; border-radius: 50%; background: rgba(15, 19, 17, .72); display: grid; place-items: center; transition: background .15s; }
.video-facade .play svg { width: 34px; height: 34px; fill: #fff; margin-left: 4px; }
.video-facade:hover .play, .video-facade:focus-visible .play { background: var(--accent); }
.video-facade .video-hint { position: absolute; left: 14px; bottom: 14px; background: rgba(15, 19, 17, .72); color: #fff; font-size: 14px; font-weight: 600; padding: 6px 12px; border-radius: 999px; }
.video iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: 12px; background: #000; }
.video figcaption { color: var(--muted); font-size: 14px; line-height: 1.5; margin-top: 12px; }
@media (max-width: 1020px) { .field-grid { grid-template-columns: 1fr; gap: 32px; } }
@media print { .video-facade .play, .video-facade .video-hint { display: none; } .video-facade::after { content: "youtube.com/watch?v=eZMrlCOQajo"; display: block; font-size: 9pt; color: #555; } }