/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #FAF9F7;
  --surface: #FFFFFF;
  --surface-2: #F3F1EE;
  --ink: #14171F;
  --ink-soft: #565D6B;
  --ink-faint: #8B92A0;
  --border: #E6E3DD;
  --border-strong: #D3CFC6;
  --accent: #2A3FB8;
  --accent-ink: #1C2C86;
  --accent-soft: #EAEDFB;
  --ok: #1F7A4D;
  --ok-soft: #E7F5EE;
  --warn: #9A6400;
  --warn-soft: #FBF0DA;
  --danger: #B32424;
  --danger-soft: #FBEAEA;
  --cream: #FAF9F7;

  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", serif;
  --sans: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --container: 1160px;
  --shadow-card: 0 1px 2px rgba(20, 23, 31, 0.04), 0 8px 24px rgba(20, 23, 31, 0.06);
  --shadow-pop: 0 12px 32px rgba(20, 23, 31, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E1015;
    --surface: #161922;
    --surface-2: #1D2129;
    --ink: #EDEEF2;
    --ink-soft: #A6ACB9;
    --ink-faint: #6E7583;
    --border: #262B36;
    --border-strong: #333947;
    --accent: #6C86FF;
    --accent-ink: #C2CBFF;
    --accent-soft: #1B2140;
    --ok: #4FBE87;
    --ok-soft: #123626;
    --warn: #E0A83B;
    --warn-soft: #3A2C0F;
    --danger: #E2685F;
    --danger-soft: #3A1717;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-pop: 0 16px 40px rgba(0, 0, 0, 0.5);
  }
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.08; letter-spacing: -0.01em; font-family: var(--serif); font-weight: 600; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--accent); color: #fff; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; padding: .6rem 1rem;
  background: var(--ink); color: var(--bg); z-index: 9999;
  border-radius: 8px; font-weight: 600; font-family: var(--sans);
}
.skip-link:focus { top: 1rem; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.section { padding-block: clamp(56px, 9vw, 112px); }
.section-head { max-width: 640px; margin-bottom: clamp(32px, 5vw, 56px); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--sans);
  font-size: 13px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.lede { color: var(--ink-soft); font-size: clamp(16px, 1.6vw, 18px); max-width: 56ch; }
.center { text-align: center; margin-inline: auto; }
.is-ready [data-reveal] { }
[data-reveal] { opacity: 0; transform: translateY(18px); }
.is-ready [data-reveal].in { opacity: 1; transform: none; transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.no-js [data-reveal], html:not(.is-ready) [data-reveal] { opacity: 1; transform: none; }

/* =============================================================
   4. Buttons & form controls
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px; font-weight: 600; font-size: 15px;
  transition: transform .25s var(--ease-out), background .25s var(--ease-out), box-shadow .25s var(--ease-out), border-color .25s var(--ease-out);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-card); }
.btn-primary:hover { background: var(--accent-ink); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--border-strong); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-soft { background: var(--surface-2); color: var(--ink); border: 1px solid var(--border); }
.btn-soft:hover { border-color: var(--border-strong); }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn-danger { background: var(--danger-soft); color: var(--danger); }

.field { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.field input, .field select {
  padding: 12px 14px; border-radius: var(--radius-s); border: 1px solid var(--border-strong);
  background: var(--surface); color: var(--ink); font-size: 15px;
}
.field input:focus, .field select:focus { border-color: var(--accent); }
.field-hint { font-size: 13px; color: var(--ink-faint); }
.field-error { font-size: 13px; color: var(--danger); }

/* =============================================================
   5. Nav
   ============================================================= */
.nav {
  position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-weight: 700; font-size: 20px; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px; background: var(--accent);
  display: grid; place-items: center; color: #fff; font-family: var(--sans); font-weight: 800; font-size: 15px;
}
.nav-links { display: none; align-items: center; gap: 28px; font-size: 15px; color: var(--ink-soft); }
.nav-links a:hover { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-actions .btn-ghost { display: none; }
@media (min-width: 860px) {
  .nav-links { display: flex; }
  .nav-actions .btn-ghost { display: inline-flex; }
}

/* =============================================================
   6. Hero
   ============================================================= */
.hero { padding-block: clamp(56px, 10vw, 108px) clamp(40px, 7vw, 72px); }
.hero-grid { display: grid; gap: 40px; align-items: start; }
.hero-title { font-size: clamp(34px, 5.4vw, 60px); }
.hero-title em { font-style: normal; color: var(--accent); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-trust { margin-top: 32px; display: grid; gap: 10px; }
.hero-trust li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-soft); }
.hero-trust svg { flex: none; margin-top: 2px; color: var(--ok); }
.hero-visual {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-l);
  padding: 22px; box-shadow: var(--shadow-card);
}
.hero-visual-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.hero-visual-dot { display: flex; gap: 6px; }
.hero-visual-dot span { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }
.hero-visual-tag {
  font-size: 12px; font-weight: 700; color: var(--ok); background: var(--ok-soft);
  padding: 4px 10px; border-radius: 999px; letter-spacing: .02em;
}
.hero-summary-title { font-family: var(--sans); font-weight: 700; font-size: 15px; margin-bottom: 12px; color: var(--ink); }
.hero-summary-list { display: grid; gap: 10px; }
.hero-summary-list li {
  display: flex; gap: 10px; font-size: 14.5px; color: var(--ink-soft); line-height: 1.5;
  padding: 10px 12px; background: var(--surface-2); border-radius: 10px;
}
.hero-summary-list li::before { content: "—"; color: var(--accent); font-weight: 700; flex: none; }

@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 56px; }
}

/* =============================================================
   7. Steps
   ============================================================= */
.steps { display: grid; gap: 20px; }
.step-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-m);
  padding: 26px; position: relative; box-shadow: var(--shadow-card);
}
.step-n { font-family: var(--serif); font-size: 34px; color: var(--accent-soft); -webkit-text-stroke: 1.5px var(--accent); color: transparent; margin-bottom: 14px; }
.step-card h3 { font-size: 19px; margin-bottom: 8px; }
.step-card p { color: var(--ink-soft); font-size: 15px; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); } }

/* =============================================================
   8. Antes / Después
   ============================================================= */
.compare { display: grid; gap: 18px; }
.compare-col {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-l);
  overflow: hidden; box-shadow: var(--shadow-card); display: flex; flex-direction: column;
}
.compare-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.compare-head span { font-weight: 700; font-size: 14px; }
.compare-tag { font-size: 11.5px; font-weight: 700; padding: 3px 9px; border-radius: 999px; letter-spacing: .03em; text-transform: uppercase; }
.compare-tag.raw { background: var(--warn-soft); color: var(--warn); }
.compare-tag.clean { background: var(--ok-soft); color: var(--ok); }
.compare-body { padding: 20px; flex: 1; }
.compare-raw {
  font-family: var(--mono); font-size: 13.5px; line-height: 1.75; color: var(--ink-soft);
  white-space: pre-wrap;
}
.compare-clean-title { font-family: var(--sans); font-weight: 700; font-size: 15px; margin-bottom: 14px; }
.compare-clean ul { display: grid; gap: 10px; margin-bottom: 20px; }
.compare-clean li { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink); line-height: 1.55; }
.compare-clean li::before { content: "•"; color: var(--accent); font-weight: 700; flex: none; }
.compare-tasks { border-top: 1px dashed var(--border); padding-top: 16px; }
.compare-tasks h5 { font-size: 12.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-faint); margin-bottom: 10px; }
.compare-task-row { display: flex; justify-content: space-between; gap: 12px; font-size: 13.5px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.compare-task-row:last-child { border-bottom: 0; }
.compare-task-who { font-weight: 700; color: var(--accent-ink); }
@media (min-width: 900px) { .compare { grid-template-columns: 1fr 1fr; align-items: stretch; } }

/* =============================================================
   9. Usos / grid de tarjetas
   ============================================================= */
.card-grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }
.use-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-m);
  padding: 22px; box-shadow: var(--shadow-card);
}
.use-card h3 { font-size: 17px; margin-bottom: 8px; }
.use-card p { color: var(--ink-soft); font-size: 14.5px; }

/* Premium band */
.premium-band {
  background: linear-gradient(160deg, var(--accent-soft), transparent 60%);
  border: 1px solid var(--border); border-radius: var(--radius-l); padding: clamp(28px, 4vw, 44px);
}
.premium-grid { display: grid; gap: 22px; margin-top: 24px; }
@media (min-width: 760px) { .premium-grid { grid-template-columns: repeat(3, 1fr); } }
.premium-item { display: flex; gap: 14px; }
.premium-item svg { flex: none; color: var(--accent); }
.premium-item h4 { font-size: 16px; margin-bottom: 6px; font-family: var(--sans); font-weight: 700; }
.premium-item p { font-size: 14px; color: var(--ink-soft); }

/* =============================================================
   10. Pricing
   ============================================================= */
.demo-badge {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600;
  color: var(--warn); background: var(--warn-soft); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent);
  padding: 8px 14px; border-radius: 999px; margin-bottom: 28px;
}
.pricing-grid { display: grid; gap: 20px; }
@media (min-width: 860px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); align-items: start; } }
.plan-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-l);
  padding: 28px; display: flex; flex-direction: column; box-shadow: var(--shadow-card); position: relative;
}
.plan-card.destacado { border-color: var(--accent); box-shadow: var(--shadow-pop); }
@media (min-width: 860px) { .plan-card.destacado { transform: translateY(-10px); } }
.plan-tag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; font-size: 12px; font-weight: 700;
  padding: 5px 14px; border-radius: 999px; letter-spacing: .02em;
}
.plan-name { font-family: var(--sans); font-weight: 700; font-size: 15px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 10px; }
.plan-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 4px; }
.plan-price strong { font-family: var(--serif); font-size: 42px; }
.plan-price span { color: var(--ink-faint); font-size: 14px; }
.plan-sub { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 22px; }
.plan-features { display: grid; gap: 11px; margin-bottom: 24px; flex: 1; }
.plan-features li { display: flex; gap: 10px; font-size: 14px; line-height: 1.5; }
.plan-features li svg { flex: none; margin-top: 3px; color: var(--ok); }
.plan-features li.off { color: var(--ink-faint); }
.plan-features li.off svg { color: var(--ink-faint); }
.pricing-foot { margin-top: 28px; font-size: 13.5px; color: var(--ink-faint); max-width: 60ch; }

/* =============================================================
   11. FAQ
   ============================================================= */
.faq-list { display: grid; gap: 10px; max-width: 760px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-m); overflow: hidden; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; font-weight: 600; font-size: 15.5px; text-align: left;
}
.faq-q svg { flex: none; transition: transform .3s var(--ease-out); color: var(--ink-faint); }
.faq-item[data-open="true"] .faq-q svg { transform: rotate(45deg); }
.faq-a { padding: 0 22px; max-height: 0; overflow: hidden; transition: max-height .35s var(--ease-out); }
.faq-a p { padding-bottom: 20px; color: var(--ink-soft); font-size: 14.5px; max-width: 66ch; }
.faq-item[data-open="true"] .faq-a { max-height: 320px; }

/* =============================================================
   12. Footer
   ============================================================= */
.footer { border-top: 1px solid var(--border); padding-block: 48px 32px; background: var(--surface-2); }
.footer-grid { display: grid; gap: 32px; margin-bottom: 32px; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer-brand p { color: var(--ink-soft); font-size: 14px; max-width: 34ch; margin-top: 10px; }
.footer-col h5 { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-faint); margin-bottom: 14px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { font-size: 14.5px; color: var(--ink-soft); }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; border-top: 1px solid var(--border); padding-top: 24px; font-size: 13px; color: var(--ink-faint); }

/* =============================================================
   13. App shell (app.html / cuenta.html)
   ============================================================= */
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }
.app-top {
  height: 68px; border-bottom: 1px solid var(--border); background: var(--surface);
  display: flex; align-items: center; position: sticky; top: 0; z-index: 50;
}
.app-top-row { display: flex; align-items: center; justify-content: space-between; width: 100%; gap: 16px; }
.credits-pill {
  display: inline-flex; align-items: center; gap: 7px; background: var(--surface-2); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 999px; font-weight: 700; font-size: 14px;
}
.credits-pill svg { color: var(--accent); }
.app-user-menu { position: relative; }
.app-user-btn {
  display: flex; align-items: center; gap: 8px; padding: 6px 10px 6px 6px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface);
}
.app-avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-ink); display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.app-menu {
  position: absolute; right: 0; top: calc(100% + 8px); background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-m); box-shadow: var(--shadow-pop); min-width: 190px; padding: 8px; display: none; z-index: 60;
}
.app-menu.open { display: block; }
.app-menu a, .app-menu button {
  display: block; width: 100%; text-align: left; padding: 10px 12px; border-radius: 8px; font-size: 14.5px;
}
.app-menu a:hover, .app-menu button:hover { background: var(--surface-2); }

.app-main { flex: 1; padding-block: 36px 64px; }
.app-narrow { max-width: 820px; margin-inline: auto; padding-inline: 20px; }

.demo-strip {
  display: flex; align-items: center; gap: 10px; background: var(--warn-soft); color: var(--warn);
  border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); border-radius: var(--radius-s);
  padding: 10px 14px; font-size: 13.5px; font-weight: 600; margin-bottom: 24px;
}

.tool-tabs { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 4px; margin-bottom: 22px; }
.tool-tab { padding: 9px 18px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--ink-soft); }
.tool-tab[aria-selected="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-card); }

.dropzone {
  border: 2px dashed var(--border-strong); border-radius: var(--radius-l); padding: clamp(32px, 6vw, 56px) 24px;
  text-align: center; background: var(--surface); transition: border-color .25s, background .25s;
}
.dropzone.drag { border-color: var(--accent); background: var(--accent-soft); }
.dropzone svg { color: var(--ink-faint); margin-inline: auto 10px; }
.dropzone h3 { font-size: 17px; margin: 14px 0 6px; }
.dropzone p { color: var(--ink-soft); font-size: 14px; margin-bottom: 18px; }
.dropzone input[type="file"] { display: none; }

.url-row { display: flex; gap: 10px; flex-wrap: wrap; }
.url-row input { flex: 1; min-width: 220px; }

.tool-panel[data-state] .only-idle, .tool-panel[data-state] .only-uploading, .tool-panel[data-state] .only-working, .tool-panel[data-state] .only-done, .tool-panel[data-state] .only-error { display: none; }
.tool-panel[data-state="idle"] .only-idle { display: block; }
.tool-panel[data-state="uploading"] .only-uploading { display: block; }
.tool-panel[data-state="working"] .only-working { display: block; }
.tool-panel[data-state="done"] .only-done { display: block; }
.tool-panel[data-state="error"] .only-error { display: block; }

.working-box { text-align: center; padding: 56px 24px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-l); }
.spinner { width: 40px; height: 40px; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--accent); margin: 0 auto 18px; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.working-box p { color: var(--ink-soft); font-size: 14.5px; }

.error-box { text-align: center; padding: 40px 24px; background: var(--danger-soft); border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); border-radius: var(--radius-l); }
.error-box p { color: var(--danger); margin-bottom: 16px; }

.result-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-l); padding: clamp(20px, 4vw, 32px); box-shadow: var(--shadow-card); }
.result-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 6px; flex-wrap: wrap; }
.result-title { font-size: 21px; }
.result-meta { font-size: 13px; color: var(--ink-faint); margin-bottom: 22px; }
.result-section { margin-top: 22px; }
.result-section h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-faint); margin-bottom: 12px; }
.result-bullets { display: grid; gap: 10px; }
.result-bullets li { display: flex; gap: 10px; font-size: 15px; line-height: 1.55; }
.result-bullets li::before { content: "•"; color: var(--accent); font-weight: 700; flex: none; }
.result-tasks { display: grid; gap: 8px; }
.result-task { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; padding: 10px 12px; background: var(--surface-2); border-radius: 10px; }
.result-task strong { color: var(--accent-ink); }

.transcript-toggle { margin-top: 22px; }
.transcript-box {
  margin-top: 12px; font-family: var(--mono); font-size: 13px; line-height: 1.7; color: var(--ink-soft);
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-s); padding: 16px;
  max-height: 320px; overflow-y: auto; white-space: pre-wrap; display: none;
}
.transcript-box.open { display: block; }

.export-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--border); }
.lock-badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 700; color: var(--accent-ink); background: var(--accent-soft); padding: 2px 8px; border-radius: 999px; margin-left: 6px; }

.translate-row { display: flex; align-items: center; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.translate-row select { padding: 10px 12px; border-radius: var(--radius-s); border: 1px solid var(--border-strong); background: var(--surface); }

.upgrade-note { font-size: 13.5px; color: var(--ink-faint); margin-top: 10px; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(10,12,18,.5); display: none; align-items: center; justify-content: center; padding: 20px; z-index: 200; }
.modal-overlay.open { display: flex; }
.modal { background: var(--surface); border-radius: var(--radius-l); max-width: 460px; width: 100%; padding: 28px; box-shadow: var(--shadow-pop); max-height: 90vh; overflow-y: auto; }
.modal h3 { font-size: 21px; margin-bottom: 10px; }
.modal p { color: var(--ink-soft); font-size: 14.5px; margin-bottom: 16px; }
.modal-close { position: absolute; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; }
.fake-card { border: 1px solid var(--border-strong); border-radius: var(--radius-s); padding: 14px; background: var(--surface-2); margin-bottom: 16px; font-family: var(--mono); font-size: 14px; letter-spacing: .04em; color: var(--ink-soft); }
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px); opacity: 0;
  background: var(--ink); color: var(--bg); padding: 12px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
  z-index: 300; transition: opacity .3s var(--ease-out), transform .3s var(--ease-out); pointer-events: none; max-width: 90vw; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Auth forms (embedded in app pages) */
.auth-card { max-width: 420px; margin: 60px auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-l); padding: 32px; box-shadow: var(--shadow-card); }
.auth-card h2 { font-size: 24px; margin-bottom: 6px; }
.auth-card > p { color: var(--ink-soft); font-size: 14.5px; margin-bottom: 24px; }
.auth-form { display: grid; gap: 16px; }
.auth-switch { text-align: center; margin-top: 20px; font-size: 14px; color: var(--ink-soft); }
.auth-switch a { color: var(--accent); font-weight: 600; }
.auth-error { background: var(--danger-soft); color: var(--danger); padding: 10px 14px; border-radius: var(--radius-s); font-size: 13.5px; display: none; }
.auth-error.show { display: block; }

/* Cuenta page */
.account-grid { display: grid; gap: 20px; }
@media (min-width: 860px) { .account-grid { grid-template-columns: 1fr 1.3fr; align-items: start; } }
.account-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-l); padding: 24px; box-shadow: var(--shadow-card); }
.account-card h3 { font-size: 17px; margin-bottom: 4px; }
.plan-badge { display: inline-flex; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; background: var(--accent-soft); color: var(--accent-ink); padding: 4px 10px; border-radius: 999px; margin: 10px 0 18px; }
.credit-bar-track { height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; margin-bottom: 8px; }
.credit-bar-fill { height: 100%; background: var(--accent); border-radius: 999px; transition: width .5s var(--ease-out); }
.credit-bar-label { font-size: 13px; color: var(--ink-soft); margin-bottom: 20px; }
.history-list { display: grid; gap: 2px; }
.history-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.history-row:last-child { border-bottom: 0; }
.history-row .muted { color: var(--ink-faint); font-size: 12.5px; }
.empty-state { text-align: center; padding: 40px 20px; color: var(--ink-faint); font-size: 14px; }

/* =============================================================
   14. Legal pages
   ============================================================= */
.legal { padding-block: 56px 96px; }
.legal-body { max-width: 720px; margin-inline: auto; }
.legal-body h1 { font-size: clamp(28px, 4vw, 38px); margin-bottom: 8px; }
.legal-body .updated { color: var(--ink-faint); font-size: 13.5px; margin-bottom: 40px; }
.legal-body h2 { font-size: 19px; margin: 34px 0 12px; font-family: var(--sans); font-weight: 700; }
.legal-body p, .legal-body li { color: var(--ink-soft); font-size: 15px; line-height: 1.75; margin-bottom: 12px; }
.legal-body ul { padding-left: 4px; }
.legal-body li { display: flex; gap: 10px; }
.legal-body li::before { content: "—"; color: var(--accent); flex: none; }
.legal-body a { color: var(--accent); text-decoration: underline; }

/* =============================================================
   15. Print (export PDF)
   ============================================================= */
@media print {
  .app-top, .tool-tabs, .export-row, .translate-row, .transcript-toggle, .demo-strip, .app-menu, .ad-banner-wrap, .ad-corner, .modal-overlay { display: none !important; }
  body { background: #fff; }
  .result-card { box-shadow: none; border: none; }
}

/* =============================================================
   16b. Huecos publicitarios (placeholders — sin anuncios reales)
   ============================================================= */
.ad-slot {
  position: relative;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-s);
  background: repeating-linear-gradient(135deg, var(--surface-2), var(--surface-2) 10px, var(--surface) 10px, var(--surface) 20px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  text-align: center; color: var(--ink-faint); overflow: hidden;
}
.ad-slot .ad-label { font-weight: 800; letter-spacing: .12em; font-size: 13px; color: var(--ink-soft); text-transform: uppercase; }
.ad-slot .ad-dim { font-size: 11.5px; color: var(--ink-faint); }

.ad-banner-wrap { padding-block: 24px; }
.ad-banner { width: 100%; min-height: 90px; }
.ad-banner-lg { width: 100%; min-height: 160px; }

.ad-corner {
  position: fixed; right: 18px; bottom: 18px; width: 240px; min-height: 88px;
  box-shadow: var(--shadow-pop); z-index: 150; opacity: 0; transform: translateY(12px);
  pointer-events: none; transition: opacity .4s var(--ease-out), transform .4s var(--ease-out);
}
.ad-corner.show { opacity: 1; transform: none; pointer-events: auto; }
.ad-corner .ad-dim { font-size: 10.5px; }

.ad-close {
  position: absolute; top: 7px; right: 7px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border-strong); display: grid; place-items: center;
  font-size: 13px; line-height: 1; color: var(--ink-soft); z-index: 2;
}
.ad-close:hover { border-color: var(--ink); color: var(--ink); }

.ad-popup-slot { width: 100%; min-height: 260px; margin-bottom: 4px; }

@media (max-width: 539px) {
  .ad-corner { left: 12px; right: 12px; width: auto; bottom: 12px; }
}

/* =============================================================
   16. Reduced motion
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .spinner { animation-duration: 1.6s; }
}