/* =============================================================
   ClaroAutónomo · styles.css
   1. Tokens  2. Reset  3. Utilities  4. Typography  5. Nav
   6. Buttons & forms  7. Calculator UI  8. Stat tiles  9. Cards
   10. Hero  11. Sections (home)  12. Pricing  13. FAQ
   14. App shell (dashboard)  15. Auth  16. Footer  17. Tables
   18. Badges & alerts  19. Responsive  20. Print  21. Reduced motion
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #f6f7f5;
  --surface: #ffffff;
  --surface-soft: #eef1ee;
  --border: #dde3de;
  --ink: #14201b;
  --ink-soft: #4c5850;
  --ink-faint: #8b968e;

  --accent: #0d7a5f;
  --accent-dark: #0a5e49;
  --accent-soft: #e2f3ec;
  --accent-ink: #ffffff;

  --money: #0d7a5f;
  --warn: #b3760a;
  --warn-soft: #fbf0dd;
  --danger: #b3261e;
  --danger-soft: #fbe9e7;
  --info: #2563a8;
  --info-soft: #e7f0fa;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --gutter: clamp(1.2rem, 4vw, 2.4rem);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(20, 32, 27, 0.06), 0 1px 1px rgba(20, 32, 27, 0.04);
  --shadow-md: 0 8px 24px rgba(20, 32, 27, 0.08), 0 2px 6px rgba(20, 32, 27, 0.05);
  --shadow-lg: 0 20px 48px rgba(20, 32, 27, 0.14), 0 4px 12px rgba(20, 32, 27, 0.06);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101512;
    --surface: #171e1a;
    --surface-soft: #1d2521;
    --border: #2b352f;
    --ink: #eef3ef;
    --ink-soft: #a9b6ae;
    --ink-faint: #6c7a72;

    --accent: #33b48b;
    --accent-dark: #1f8567;
    --accent-soft: #17332a;
    --accent-ink: #06120e;

    --money: #3fcf9f;
    --warn: #e0ab4a;
    --warn-soft: #2c2415;
    --danger: #e2837a;
    --danger-soft: #2c1917;
    --info: #6fa8dc;
    --info-soft: #172530;
  }
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -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; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.08; letter-spacing: -0.01em; font-family: var(--serif); font-weight: 600; }
ul, ol { padding-left: 1.2em; }
::selection { background: var(--accent); color: var(--accent-ink); }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* =============================================================
   3. Utilities
   ============================================================= */
.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: var(--gutter); }
.container-narrow { width: 100%; max-width: 860px; margin-inline: auto; padding-inline: var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .7rem 1.1rem; background: var(--accent); color: var(--accent-ink);
  border-radius: var(--radius-sm); font-weight: 600;
  transition: top .25s var(--ease-out);
}
.skip-link:focus { top: 1rem; }
.stack { display: flex; flex-direction: column; }
.gap-xs { gap: .5rem; } .gap-sm { gap: .9rem; } .gap-md { gap: 1.4rem; } .gap-lg { gap: 2.2rem; }
.row { display: flex; align-items: center; }
.row-wrap { display: flex; flex-wrap: wrap; align-items: center; }
.section { padding-block: clamp(3rem, 7vw, 6rem); }
.section-tight { padding-block: clamp(2rem, 5vw, 3.5rem); }
.eyebrow {
  display: inline-flex; align-items: center; gap: .4em;
  font-family: var(--mono); font-size: .78rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--accent);
}
.text-soft { color: var(--ink-soft); }
.text-faint { color: var(--ink-faint); }
.text-center { text-align: center; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.hide-mobile { display: none; }
@media (min-width: 720px) { .hide-mobile { display: revert; } .hide-desktop { display: none; } }
[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .5s var(--ease-out), transform .5s var(--ease-out); }
[data-reveal].is-revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* =============================================================
   4. Typography
   ============================================================= */
h1 { font-size: clamp(2.2rem, 5.4vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.55rem); }
.lede { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--ink-soft); max-width: 62ch; }
.prose { max-width: 68ch; }
.prose h2 { margin-top: 2.4em; margin-bottom: .6em; }
.prose h3 { margin-top: 1.8em; margin-bottom: .5em; }
.prose p, .prose ul, .prose ol { margin-bottom: 1.1em; color: var(--ink-soft); }
.prose li { margin-bottom: .4em; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.prose strong { color: var(--ink); }

/* =============================================================
   5. Nav
   ============================================================= */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding-block: .9rem; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .55rem; font-family: var(--serif); font-weight: 700; font-size: 1.2rem; color: var(--ink); }
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(155deg, var(--accent), var(--accent-dark));
  display: grid; place-items: center; color: var(--accent-ink); font-family: var(--mono); font-weight: 700; font-size: .95rem;
  flex-shrink: 0;
}
.nav-links { display: none; align-items: center; gap: 1.6rem; }
.nav-links a { font-size: .94rem; font-weight: 500; color: var(--ink-soft); transition: color .2s var(--ease-out); }
.nav-links a:hover { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: .6rem; }
.nav-toggle { display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--radius-sm); }
.nav-toggle svg { width: 22px; height: 22px; }
@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
}
.mobile-menu {
  display: none; flex-direction: column; gap: .2rem;
  border-top: 1px solid var(--border); background: var(--bg);
  padding: 1rem var(--gutter) 1.4rem;
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a { padding: .6rem 0; font-weight: 500; color: var(--ink-soft); border-bottom: 1px solid var(--border); }
.mobile-menu a:last-child { border-bottom: 0; }
@media (min-width: 960px) { .mobile-menu { display: none !important; } }

/* =============================================================
   6. Buttons & forms
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .8rem 1.4rem; border-radius: 999px; font-weight: 600; font-size: .96rem;
  transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out), background .2s var(--ease-out), border-color .2s var(--ease-out);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-dark); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-soft { background: var(--accent-soft); color: var(--accent-dark); }
.btn-soft:hover { transform: translateY(-1px); }
.btn-block { width: 100%; }
.btn-sm { padding: .55rem 1rem; font-size: .86rem; }
.btn-lg { padding: 1rem 1.8rem; font-size: 1.02rem; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none !important; }

.field { display: flex; flex-direction: column; gap: .4rem; }
.field label { font-size: .85rem; font-weight: 600; color: var(--ink-soft); }
.field .hint { font-size: .78rem; color: var(--ink-faint); }
.input, select.input, textarea.input {
  width: 100%; padding: .75rem .9rem; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--surface); color: var(--ink);
  font: inherit; font-variant-numeric: tabular-nums;
  transition: border-color .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.input-suffix-wrap { position: relative; }
.input-suffix-wrap .input { padding-right: 2.6rem; }
.input-suffix { position: absolute; right: .9rem; top: 50%; transform: translateY(-50%); color: var(--ink-faint); font-size: .85rem; pointer-events: none; }
.radio-group { display: flex; flex-wrap: wrap; gap: .5rem; }
.radio-pill {
  display: inline-flex; align-items: center; gap: .4em; padding: .55rem 1rem;
  border: 1.5px solid var(--border); border-radius: 999px; font-size: .87rem; font-weight: 500; cursor: pointer;
  transition: all .18s var(--ease-out);
}
.radio-pill input { position: absolute; opacity: 0; pointer-events: none; }
.radio-pill:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-dark); }
.switch-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 0; }
.switch { position: relative; width: 44px; height: 26px; border-radius: 999px; background: var(--border); flex-shrink: 0; transition: background .2s; }
.switch input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; transition: transform .2s var(--ease-out); box-shadow: var(--shadow-sm); }
.switch:has(input:checked) { background: var(--accent); }
.switch:has(input:checked)::after { transform: translateX(18px); }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 1.1rem; }
@media (min-width: 640px) { .form-grid-2 { grid-template-columns: 1fr 1fr; } }

/* =============================================================
   7. Calculator UI
   ============================================================= */
.calc-layout { display: grid; grid-template-columns: 1fr; gap: 1.6rem; align-items: start; }
@media (min-width: 960px) { .calc-layout { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 2rem; } }

.calc-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 3vw, 2rem); box-shadow: var(--shadow-sm);
}
.calc-card h2, .calc-card h3 { margin-bottom: .3rem; }
.calc-mode-toggle { display: inline-flex; padding: .25rem; background: var(--surface-soft); border-radius: 999px; margin-bottom: 1.2rem; }
.calc-mode-toggle button { padding: .5rem 1.1rem; border-radius: 999px; font-size: .85rem; font-weight: 600; color: var(--ink-soft); }
.calc-mode-toggle button.is-active { background: var(--surface); color: var(--accent-dark); box-shadow: var(--shadow-sm); }
.calc-advanced { display: none; flex-direction: column; gap: 1.1rem; margin-top: 1.1rem; padding-top: 1.1rem; border-top: 1px dashed var(--border); }
.calc-advanced.is-visible { display: flex; }
.calc-submit-row { display: flex; align-items: center; gap: .8rem; margin-top: 1.4rem; flex-wrap: wrap; }

.result-panel {
  background: linear-gradient(175deg, var(--accent-dark), var(--accent));
  color: var(--accent-ink); border-radius: var(--radius-lg); padding: clamp(1.5rem, 3.4vw, 2.2rem);
  box-shadow: var(--shadow-lg); position: sticky; top: 5.5rem;
}
.result-headline { font-family: var(--sans); font-size: .92rem; opacity: .88; margin-bottom: .35rem; }
.result-figure { font-family: var(--serif); font-size: clamp(2.2rem, 5vw, 3.1rem); font-weight: 700; line-height: 1; margin-bottom: .2rem; }
.result-figure small { font-family: var(--sans); font-size: .42em; font-weight: 500; opacity: .85; margin-left: .2em; }
.result-sub { font-size: .88rem; opacity: .85; margin-bottom: 1.4rem; }
.result-breakdown { display: flex; flex-direction: column; gap: 0; background: rgba(255,255,255,.1); border-radius: var(--radius); overflow: hidden; margin-bottom: 1.2rem; }
.result-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .75rem 1rem; border-bottom: 1px solid rgba(255,255,255,.12); font-size: .92rem; }
.result-row:last-child { border-bottom: 0; }
.result-row .label { opacity: .85; }
.result-row .value { font-family: var(--mono); font-weight: 600; }
.result-note { font-size: .82rem; opacity: .82; line-height: 1.5; }
.result-actions { display: flex; gap: .6rem; margin-top: 1.2rem; flex-wrap: wrap; }
.result-actions .btn-soft { background: rgba(255,255,255,.16); color: #fff; }
.result-actions .btn-soft:hover { background: rgba(255,255,255,.26); }

.mini-calc { background: var(--surface-soft); border-radius: var(--radius); padding: 1.2rem; margin-block: 1.4rem; }

/* =============================================================
   8. Stat tiles
   ============================================================= */
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .9rem; }
@media (min-width: 720px) { .stat-grid-4 { grid-template-columns: repeat(4, 1fr); } }
.stat-tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.2rem; }
.stat-tile .stat-label { font-size: .8rem; color: var(--ink-faint); font-weight: 600; margin-bottom: .3rem; }
.stat-tile .stat-value { font-family: var(--mono); font-size: 1.5rem; font-weight: 700; }
.stat-tile.is-money .stat-value { color: var(--money); }
.stat-tile.is-warn .stat-value { color: var(--warn); }

/* =============================================================
   9. Cards
   ============================================================= */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow-sm); }
.card-grid { display: grid; grid-template-columns: 1fr; gap: 1.2rem; }
@media (min-width: 640px) { .card-grid-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .card-grid-3 { grid-template-columns: repeat(3, 1fr); } .card-grid-4 { grid-template-columns: repeat(4, 1fr); } }
.tool-card { display: flex; flex-direction: column; gap: .6rem; height: 100%; transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out); }
.tool-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.tool-card .icon { width: 42px; height: 42px; border-radius: 12px; background: var(--accent-soft); color: var(--accent-dark); display: grid; place-items: center; }
.tool-card .icon svg { width: 22px; height: 22px; }
.tool-card h3 { font-size: 1.05rem; }
.tool-card p { font-size: .9rem; color: var(--ink-soft); flex-grow: 1; }
.tool-card .go { font-size: .86rem; font-weight: 600; color: var(--accent); }

/* =============================================================
   10. Hero
   ============================================================= */
.hero { padding-block: clamp(2.6rem, 7vw, 5rem); }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 2.4rem; align-items: center; }
@media (min-width: 1024px) { .hero-grid { grid-template-columns: 1.05fr .95fr; gap: 3rem; } }
.hero-title { margin-bottom: 1rem; }
.hero-title .accent-word { color: var(--accent); }
.hero-cta-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 1.2rem; margin-top: 1.6rem; font-size: .85rem; color: var(--ink-faint); }
.hero-trust span { display: inline-flex; align-items: center; gap: .4em; }
.hero-visual { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.6rem; box-shadow: var(--shadow-md); }

/* =============================================================
   11. Sections
   ============================================================= */
.section-head { max-width: 640px; margin-bottom: 2.2rem; }
.section-head.text-center { margin-inline: auto; }
.steps-grid { display: grid; grid-template-columns: 1fr; gap: 1.6rem; counter-reset: step; }
@media (min-width: 720px) { .steps-grid { grid-template-columns: repeat(3, 1fr); } }
.step { position: relative; padding-left: 3rem; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0; width: 2.1rem; height: 2.1rem; border-radius: 50%; background: var(--accent-soft); color: var(--accent-dark); font-family: var(--mono); font-weight: 700; display: grid; place-items: center; font-size: .9rem; }
.disclaimer-box { background: var(--info-soft); border: 1px solid color-mix(in srgb, var(--info) 35%, transparent); border-radius: var(--radius); padding: 1.1rem 1.3rem; font-size: .88rem; color: var(--ink-soft); display: flex; gap: .8rem; align-items: flex-start; }
.disclaimer-box svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--info); margin-top: .1rem; }
.related-tools { display: flex; flex-wrap: wrap; gap: .6rem; }
.related-tools a { padding: .5rem .95rem; border: 1px solid var(--border); border-radius: 999px; font-size: .85rem; font-weight: 500; color: var(--ink-soft); transition: all .18s var(--ease-out); }
.related-tools a:hover { border-color: var(--accent); color: var(--accent-dark); background: var(--accent-soft); }

/* =============================================================
   12. Pricing
   ============================================================= */
.pricing-grid { display: grid; grid-template-columns: 1fr; gap: 1.3rem; }
@media (min-width: 860px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; } }
.price-card { display: flex; flex-direction: column; background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 1.8rem; position: relative; }
.price-card.is-featured { border-color: var(--accent); box-shadow: var(--shadow-md); }
.price-card .ribbon { position: absolute; top: -.7rem; left: 1.6rem; background: var(--accent); color: var(--accent-ink); font-size: .75rem; font-weight: 700; padding: .3rem .7rem; border-radius: 999px; }
.price-amount { font-family: var(--serif); font-size: 2.4rem; font-weight: 700; margin-block: .6rem .1rem; }
.price-amount small { font-family: var(--sans); font-size: .95rem; font-weight: 500; color: var(--ink-faint); }
.price-features { display: flex; flex-direction: column; gap: .65rem; margin-block: 1.4rem; flex-grow: 1; }
.price-features li { list-style: none; display: flex; gap: .6rem; font-size: .9rem; color: var(--ink-soft); align-items: flex-start; }
.price-features svg { width: 18px; height: 18px; color: var(--accent); flex-shrink: 0; margin-top: .15rem; }

/* =============================================================
   13. FAQ
   ============================================================= */
.faq-list { display: flex; flex-direction: column; gap: .7rem; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.05rem 1.3rem; font-weight: 600; text-align: left; }
.faq-q .chev { width: 18px; height: 18px; flex-shrink: 0; transition: transform .25s var(--ease-out); color: var(--ink-faint); }
.faq-item.is-open .faq-q .chev { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s var(--ease-out); }
.faq-a-inner { padding: 0 1.3rem 1.1rem; color: var(--ink-soft); font-size: .92rem; }
.faq-item.is-open .faq-a { max-height: 400px; }

/* =============================================================
   14. App shell
   ============================================================= */
.app-topbar { position: sticky; top: 0; z-index: 100; background: var(--surface); border-bottom: 1px solid var(--border); }
.app-topbar-inner { display: flex; align-items: center; justify-content: space-between; padding-block: .8rem; gap: 1rem; }
.plan-pill { display: inline-flex; align-items: center; gap: .4em; padding: .4rem .85rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent-dark); font-size: .82rem; font-weight: 700; font-family: var(--mono); }
.plan-pill.is-free { background: var(--surface-soft); color: var(--ink-soft); }
.app-shell { min-height: 70vh; padding-block: 2rem; }
.app-header-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.6rem; }
.quarter-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.quarter-table th, .quarter-table td { padding: .7rem .9rem; text-align: right; border-bottom: 1px solid var(--border); }
.quarter-table th:first-child, .quarter-table td:first-child { text-align: left; }
.quarter-table thead th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-faint); font-weight: 600; }
.quarter-table td { font-family: var(--mono); }
.history-list { display: flex; flex-direction: column; gap: .6rem; }
.history-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 1.1rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.history-row .meta { font-size: .82rem; color: var(--ink-faint); }
.upgrade-locked { position: relative; }
.upgrade-locked::after { content: ""; position: absolute; inset: 0; backdrop-filter: blur(3px); background: color-mix(in srgb, var(--surface) 60%, transparent); border-radius: inherit; }
.upgrade-banner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); border-radius: var(--radius); padding: 1.1rem 1.3rem; }

/* =============================================================
   15. Auth
   ============================================================= */
.auth-wrap { min-height: 78vh; display: grid; place-items: center; padding-block: 3rem; }
.auth-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-md); }
.auth-card .brand { justify-content: center; margin-bottom: 1.4rem; }
.auth-switch { text-align: center; margin-top: 1.2rem; font-size: .9rem; color: var(--ink-soft); }
.auth-switch a { color: var(--accent); font-weight: 600; }
.form-error { background: var(--danger-soft); color: var(--danger); border-radius: var(--radius-sm); padding: .7rem .9rem; font-size: .87rem; display: none; }
.form-error.is-visible { display: block; }
.form-success { background: var(--accent-soft); color: var(--accent-dark); border-radius: var(--radius-sm); padding: .7rem .9rem; font-size: .87rem; display: none; }
.form-success.is-visible { display: block; }

/* =============================================================
   16. Footer
   ============================================================= */
.footer { border-top: 1px solid var(--border); padding-block: 2.6rem 2rem; margin-top: 3rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer h4 { font-family: var(--sans); font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-faint); margin-bottom: .8rem; }
.footer-links { display: flex; flex-direction: column; gap: .55rem; }
.footer-links a { font-size: .9rem; color: var(--ink-soft); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 1.6rem; border-top: 1px solid var(--border); font-size: .82rem; color: var(--ink-faint); }
.footer-disclaimer { font-size: .8rem; color: var(--ink-faint); max-width: 70ch; margin-bottom: 1.6rem; line-height: 1.6; }

/* =============================================================
   17. Misc tables
   ============================================================= */
.data-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.data-table th, .data-table td { padding: .55rem .7rem; border-bottom: 1px solid var(--border); text-align: left; }
.data-table th { color: var(--ink-faint); font-weight: 600; font-size: .78rem; text-transform: uppercase; }
.table-scroll { overflow-x: auto; overflow-y: visible; border: 1px solid var(--border); border-radius: var(--radius); }
.table-scroll .data-table { border: 0; }
.table-scroll .data-table th:first-child, .table-scroll .data-table td:first-child { position: sticky; left: 0; background: var(--surface); }

/* =============================================================
   18. Badges & alerts
   ============================================================= */
.badge { display: inline-flex; align-items: center; gap: .4em; padding: .3rem .7rem; border-radius: 999px; font-size: .74rem; font-weight: 700; letter-spacing: .02em; }
.badge-demo { background: var(--warn-soft); color: var(--warn); }
.badge-pro { background: var(--accent-soft); color: var(--accent-dark); }
.toast-region { position: fixed; bottom: 1.2rem; right: 1.2rem; left: 1.2rem; z-index: 999; display: flex; flex-direction: column; gap: .6rem; align-items: flex-end; pointer-events: none; }
@media (min-width: 640px) { .toast-region { left: auto; max-width: 380px; } }
.toast { pointer-events: auto; background: var(--ink); color: var(--bg); padding: .85rem 1.1rem; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); font-size: .88rem; opacity: 0; transform: translateY(8px); transition: all .25s var(--ease-out); max-width: 100%; }
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast.is-error { background: var(--danger); color: #fff; }
.demo-banner { background: var(--warn-soft); color: var(--warn); text-align: center; font-size: .84rem; font-weight: 600; padding: .55rem var(--gutter); }

/* dialog / modal */
dialog { border: 0; border-radius: var(--radius-lg); padding: 0; max-width: 460px; width: calc(100% - 2rem); box-shadow: var(--shadow-lg); background: var(--surface); color: var(--ink); }
dialog::backdrop { background: rgba(10, 15, 12, .55); backdrop-filter: blur(2px); }
.modal-body { padding: 1.8rem; }
.modal-body h3 { margin-bottom: .3rem; }
.modal-close { position: absolute; top: 1rem; right: 1rem; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; }
.modal-close:hover { background: var(--surface-soft); }
.fake-card { border: 1.5px dashed var(--border); border-radius: var(--radius); padding: 1rem; font-family: var(--mono); font-size: .9rem; color: var(--ink-faint); text-align: center; margin-block: 1rem; }

/* =============================================================
   18a. Onboarding
   ============================================================= */
.onboarding-dots { display: flex; gap: .4rem; justify-content: center; margin-bottom: 1.4rem; }
.onboarding-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); transition: background .2s; }
.onboarding-dot.is-active { background: var(--accent); width: 22px; border-radius: 999px; }
.onboarding-step-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 1.6rem; }

/* =============================================================
   18b. Calendario fiscal
   ============================================================= */
.cal-cabecera { display: grid; grid-template-columns: repeat(7, 1fr); text-align: center; font-size: .72rem; color: var(--ink-faint); font-weight: 700; margin-bottom: .4rem; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-celda { position: relative; aspect-ratio: 1; display: flex; align-items: flex-start; justify-content: center; padding-top: .4rem; border-radius: var(--radius-sm); background: var(--surface-soft); font-size: .82rem; }
.cal-vacia { background: transparent; }
.cal-hoy { background: var(--accent-soft); color: var(--accent-dark); font-weight: 700; outline: 1.5px solid var(--accent); }
.cal-punto { position: absolute; bottom: 6px; width: 6px; height: 6px; border-radius: 50%; background: var(--warn); }

/* =============================================================
   19. Responsive breakpoints reference
   ============================================================= */
/* 540 / 720 / 960 / 1280 / 1600 — mobile-first, defined inline above */

/* =============================================================
   20. Print
   ============================================================= */
@media print {
  .nav, .footer, .hero-cta-row, .btn, .app-topbar, .demo-banner, .no-print { display: none !important; }
  body { background: #fff; color: #000; }
}

/* =============================================================
   21. Reduced motion — only the truly intrusive
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .faq-a { transition: none; }
}