/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #f5f8fb;
  --surface: #ffffff;
  --surface-2: #eef2f7;
  --ink: #10233b;
  --ink-soft: #4a5a6e;
  --border: #dbe3ec;

  --primary: #143a5c;
  --primary-strong: #0b2842;
  --accent: #1c9c76;
  --accent-soft: #e4f5ee;
  --warn: #b3491f;
  --warn-soft: #fbebe3;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
  --gutter: clamp(1rem, 4vw, 2rem);
  --container: 880px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1520;
    --surface: #121e2c;
    --surface-2: #16283a;
    --ink: #eaf1f8;
    --ink-soft: #a9bacb;
    --border: #223244;
    --accent-soft: #10281f;
    --warn-soft: #2c1710;
  }
}

/* =============================================================
   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%; }
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: 1.15; letter-spacing: -0.01em; }
ul { list-style: none; padding: 0; }
::selection { background: var(--accent-soft); color: var(--primary-strong); }

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

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--ink); color: #fff;
  z-index: 9999; border-radius: 8px; font-weight: 600;
  transition: top .2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.container {
  max-width: var(--container);
  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;
}
.badge {
  display: inline-flex; align-items: center; gap: .4em;
  font-size: .82rem; font-weight: 600; color: var(--accent);
  background: var(--accent-soft); padding: .35em .8em; border-radius: 999px;
}

/* =============================================================
   4. Typography
   ============================================================= */
h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 800; }
h2 { font-size: clamp(1.3rem, 3vw, 1.7rem); font-weight: 750; }
h3 { font-size: 1.05rem; font-weight: 700; }
.subtitle { color: var(--ink-soft); font-size: 1.05rem; max-width: 60ch; }

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .85em 1.4em; border-radius: var(--radius-sm);
  font-weight: 700; font-size: .98rem;
  transition: transform .15s var(--ease-out), background .15s var(--ease-out);
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-strong); }
.btn-ghost { background: var(--surface-2); color: var(--ink); }
.btn-ghost:hover { background: var(--border); }
.btn:active { transform: scale(.98); }
.btn-block { width: 100%; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* Formularios */
.field { display: flex; flex-direction: column; gap: .4em; min-width: 0; }
.field label { font-size: .88rem; font-weight: 650; color: var(--ink-soft); }
.field input, .field select {
  width: 100%; min-width: 0;
  padding: .75em .6em; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--surface);
  color: var(--ink); font: inherit; font-size: .95rem;
}
.field input:focus, .field select:focus { border-color: var(--accent); }
.field-hint { font-size: .78rem; color: var(--ink-soft); }
.form-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: .8rem .7rem;
}
.form-grid .field-full { grid-column: 1 / -1; }

/* Ajustes opcionales — colapsados por defecto para que el formulario
   principal quepa arriba del pliegue en móvil (invariante "tool above the fold") */
.ajustes { margin-top: .9rem; }
.ajustes summary {
  cursor: pointer; font-size: .88rem; font-weight: 650; color: var(--accent);
  padding: .3rem 0; list-style: none;
}
.ajustes summary::-webkit-details-marker { display: none; }
.ajustes summary::before { content: "⚙ "; }
.ajustes .form-grid { margin-top: .8rem; }

/* Tool card */
.tool-card {
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: 0 1px 2px rgba(16, 35, 59, .04), 0 12px 32px -16px rgba(16, 35, 59, .16);
}
.tool-card .tool-actions {
  display: flex; gap: .75rem; margin-top: 1.4rem; flex-wrap: wrap;
}
.tool-card[data-state="idle"] .resultado-panel,
.tool-card[data-state="idle"] .error-panel,
.tool-card[data-state="error"] .resultado-panel,
.tool-card[data-state="done"] .error-panel { display: none; }
.error-panel {
  margin-top: 1.2rem; padding: .9rem 1.1rem; border-radius: var(--radius-sm);
  background: var(--warn-soft); color: var(--warn); font-weight: 600; font-size: .92rem;
}
.resultado-panel {
  margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px dashed var(--border);
  animation: fadeIn .35s var(--ease-out);
}
.resultado-total {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.2rem; border-radius: var(--radius-sm);
  background: var(--primary); color: #fff; margin-bottom: 1rem;
}
.resultado-total span { font-weight: 600; opacity: .85; }
.resultado-total strong { font-size: 1.5rem; font-weight: 800; }
.resultado-desglose li {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .55rem 0; border-bottom: 1px solid var(--border);
  font-size: .95rem;
}
.resultado-desglose li:last-child { border-bottom: 0; }
.resultado-desglose span { color: var(--ink-soft); }
.resultado-nota { margin-top: 1rem; font-size: .85rem; color: var(--ink-soft); }

.privacy-note {
  display: flex; align-items: start; gap: .6em;
  margin-top: 1.2rem; font-size: .85rem; color: var(--ink-soft);
}

/* Ad slots (placeholders) */
.ad-slot {
  min-height: 120px;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px dashed var(--border); border-radius: var(--radius-sm);
  color: var(--ink-soft); font-weight: 700; letter-spacing: .08em;
  font-size: .85rem; background: var(--surface-2);
  margin-block: 2rem;
}
.ad-slot--leaderboard { min-height: 100px; }
.ad-slot--incontent { min-height: 160px; }

/* Corner toast */
.corner-toast {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 60;
  max-width: 280px; padding: .9rem 1rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 28px -12px rgba(16,35,59,.28);
  display: flex; gap: .7rem; align-items: flex-start;
  transform: translateY(140%); opacity: 0;
  transition: transform .35s var(--ease-out), opacity .35s var(--ease-out);
}
.corner-toast[data-visible="true"] { transform: translateY(0); opacity: 1; }
.corner-toast .ad-slot { min-height: 56px; flex: 1; margin: 0; font-size: .72rem; }
.corner-toast button {
  color: var(--ink-soft); font-size: 1.1rem; line-height: 1;
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item summary {
  padding: 1rem 0; font-weight: 650; cursor: pointer;
  display: flex; justify-content: space-between; gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--accent); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding-bottom: 1.1rem; color: var(--ink-soft); }

/* Tabla vacaciones */
.tabla-vacaciones { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tabla-vacaciones th, .tabla-vacaciones td {
  padding: .6rem .8rem; text-align: left; border-bottom: 1px solid var(--border);
}
.tabla-vacaciones th { color: var(--ink-soft); font-weight: 650; }

/* Cross-link cards */
.tools-grid {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
}
@media (min-width: 720px) { .tools-grid { grid-template-columns: repeat(3, 1fr); } }
.tool-link-card {
  padding: 1.2rem; display: flex; flex-direction: column; gap: .5rem;
  transition: transform .18s var(--ease-out), border-color .18s var(--ease-out);
}
.tool-link-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.tool-link-card span { color: var(--ink-soft); font-size: .9rem; }

/* =============================================================
   6. Sections
   ============================================================= */
.site-header {
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.logo { font-weight: 800; font-size: 1.15rem; color: var(--primary); }
.logo span { color: var(--accent); }
.site-nav { display: flex; gap: 1.4rem; font-weight: 600; font-size: .92rem; }
.site-nav a:hover { color: var(--accent); }

.hero { padding-block: clamp(1.3rem, 5vw, 3.2rem) 1rem; }
.hero .badge { margin-bottom: .7rem; }
.hero h1 { margin-bottom: .45rem; }
.hero .subtitle { margin-bottom: 1.1rem; }

.section { padding-block: clamp(2rem, 5vw, 3.5rem); }
.section-head { max-width: 65ch; margin-bottom: 1.6rem; }
.section-head h2 { margin-bottom: .5rem; }
.section-head p { color: var(--ink-soft); }

.pasos { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .pasos { grid-template-columns: repeat(3, 1fr); } }
.paso { padding: 1.3rem; }
.paso .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.1rem; height: 2.1rem; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-weight: 800;
  margin-bottom: .8rem;
}

.legal-note {
  font-size: .82rem; color: var(--ink-soft); background: var(--surface-2);
  padding: 1rem 1.2rem; border-radius: var(--radius-sm); margin-top: 1rem;
}

.site-footer {
  padding-block: 2rem; border-top: 1px solid var(--border);
  color: var(--ink-soft); font-size: .88rem;
}
.site-footer .container {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center;
}
.site-footer a:hover { color: var(--accent); }
.footer-links { display: flex; gap: 1.2rem; }

dialog#dialog-descarga {
  border: 0; border-radius: var(--radius); padding: 0; max-width: 420px; width: calc(100% - 2rem);
}
dialog#dialog-descarga::backdrop { background: rgba(10, 20, 33, .55); }
.dialog-body { padding: 1.4rem; }
.dialog-body header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }

/* =============================================================
   7. Effects
   ============================================================= */
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* =============================================================
   8. Responsive niceties already mobile-first above =========== */

/* =============================================================
   9. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .resultado-panel { animation: none; }
  .corner-toast { transition: none; }
}