/* iactready.com — estética de documentación técnico-legal.
   Deliberadamente distinta de ecomalfa (B2B azul) y stylonatural (serif cálido):
   aquí manda la legibilidad de norma: sans neutra, mono en los datos, esquinas rectas. */

:root {
  --bg: #ffffff;
  --bg-soft: #f5f6f8;
  --bg-code: #eef0f4;
  --ink: #14181f;
  --ink-soft: #4a5261;
  --ink-mute: #6f7889;
  --line: #dfe3ea;
  --line-strong: #c3c9d4;
  --brand: #1f3a8a;
  --brand-ink: #16296a;
  --brand-soft: #eaeeff;
  --danger: #9c1f1f;
  --danger-soft: #fdeaea;
  --warn: #8a5a00;
  --warn-soft: #fff5e0;
  --ok: #1a6b3f;
  --ok-soft: #e7f5ed;
  --radius: 3px;
  --wrap: 1080px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1219;
    --bg-soft: #161b25;
    --bg-code: #1b212d;
    --ink: #e8ebf1;
    --ink-soft: #b3bac8;
    --ink-mute: #8b94a5;
    --line: #262d3a;
    --line-strong: #38414f;
    --brand: #8ba4ff;
    --brand-ink: #b3c3ff;
    --brand-soft: #1a2140;
    --danger: #ff9a9a;
    --danger-soft: #2a1618;
    --warn: #e8b45c;
    --warn-soft: #2a2114;
    --ok: #6fd39b;
    --ok-soft: #12261c;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.skip {
  position: absolute; left: -9999px; top: 0; background: var(--brand);
  color: #fff; padding: 10px 16px; z-index: 100;
}
.skip:focus { left: 0; }

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------------------------------------------------- cabecera */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky; top: 0; z-index: 40;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; min-height: 62px;
}
.logo {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 650; font-size: 1.02rem; color: var(--ink);
  letter-spacing: -0.01em;
}
.logo:hover { text-decoration: none; }
.logo-mark {
  display: inline-grid; place-items: center;
  width: 28px; height: 28px;
  background: var(--brand); color: #fff;
  font-family: var(--mono); font-size: 0.78rem; font-weight: 700;
  border-radius: var(--radius);
}
.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav a { color: var(--ink-soft); font-size: 0.93rem; }
.site-nav a:hover { color: var(--brand); text-decoration: none; }
.nav-cta {
  background: var(--brand); color: #fff !important;
  padding: 8px 15px; border-radius: var(--radius); font-weight: 550;
}
.nav-cta:hover { background: var(--brand-ink); }

/* ---------------------------------------------------------- texto */

main { padding: 34px 0 64px; }

h1 {
  font-size: 2.15rem; line-height: 1.18; letter-spacing: -0.022em;
  margin: 0 0 16px; font-weight: 680;
}
h2 {
  font-size: 1.34rem; line-height: 1.3; letter-spacing: -0.012em;
  margin: 44px 0 14px; font-weight: 640;
  padding-bottom: 8px; border-bottom: 1px solid var(--line);
}
h3 { font-size: 1.06rem; margin: 26px 0 8px; font-weight: 620; }
p { margin: 0 0 15px; }

.lead { font-size: 1.14rem; color: var(--ink-soft); line-height: 1.6; margin-bottom: 22px; }
.muted { color: var(--ink-mute); }
.small { font-size: 0.86rem; }
.note {
  font-size: 0.9rem; color: var(--ink-mute);
  border-left: 2px solid var(--line-strong); padding-left: 13px; margin: 22px 0;
}
.verified {
  font-family: var(--mono); font-size: 0.78rem; color: var(--ink-mute);
  background: var(--bg-code); border: 1px solid var(--line);
  display: inline-block; padding: 5px 10px; border-radius: var(--radius);
  margin: 0 0 22px;
}
.section-intro { color: var(--ink-soft); margin-bottom: 18px; }

ul, ol { margin: 0 0 18px; padding-left: 22px; }
li { margin-bottom: 7px; }

.crumbs { font-size: 0.84rem; color: var(--ink-mute); margin-bottom: 22px; }
.crumbs a { color: var(--ink-mute); }
.crumbs span { color: var(--ink-soft); }

.doc { max-width: 760px; }

.linklist { list-style: none; padding: 0; }
.linklist li { border-bottom: 1px solid var(--line); padding: 11px 0; margin: 0; }

.sources { font-size: 0.86rem; word-break: break-word; }
.sources a { color: var(--ink-soft); }

/* ---------------------------------------------------------- hero */

.hero { padding: 12px 0 30px; border-bottom: 1px solid var(--line); margin-bottom: 34px; }
.hero h1 { font-size: 2.5rem; max-width: 19ch; }
.hero .lead { max-width: 62ch; font-size: 1.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 24px; }

/* ---------------------------------------------------------- botones */

.btn {
  display: inline-block; background: var(--brand); color: #fff;
  padding: 12px 22px; border-radius: var(--radius);
  font-weight: 550; font-size: 0.96rem; border: 1px solid var(--brand);
  cursor: pointer; font-family: inherit;
}
.btn:hover { background: var(--brand-ink); border-color: var(--brand-ink); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--brand); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--brand-soft); color: var(--brand-ink); border-color: var(--brand); }
.btn-block { display: block; width: 100%; }

/* ---------------------------------------------------------- tiles */

.tiles {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius);
  margin: 0 0 20px; overflow: hidden;
}
.tile { background: var(--bg); padding: 15px 17px; }
.tile-label {
  display: block; font-size: 0.71rem; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--ink-mute); font-weight: 600; margin-bottom: 5px;
}
.tile-value {
  display: block; font-size: 1.16rem; line-height: 1.25;
  letter-spacing: -0.015em; font-weight: 650;
}
.tile-note { display: block; font-size: 0.8rem; color: var(--ink-mute); margin-top: 5px; }

/* ---------------------------------------------------------- tablas */

.table-wrap {
  overflow-x: auto; margin: 0 0 24px;
  border: 1px solid var(--line); border-radius: var(--radius);
  -webkit-overflow-scrolling: touch;
}
table {
  width: 100%; min-width: 460px; border-collapse: collapse; font-size: 0.93rem;
}
caption {
  caption-side: top; text-align: left; font-size: 0.79rem; color: var(--ink-mute);
  font-family: var(--mono); padding: 10px 14px; border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th {
  background: var(--bg-soft); font-size: 0.73rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--ink-soft); font-weight: 650; white-space: nowrap;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--bg-soft); }
td:first-child { min-width: 170px; }
td.num { font-family: var(--mono); font-size: 0.86rem; white-space: nowrap; }
.row-sub { display: block; font-size: 0.82rem; color: var(--ink-mute); margin-top: 3px; font-weight: 400; }
tr.is-past td { color: var(--ink-mute); }
tr.is-past td:first-child strong { text-decoration: line-through; text-decoration-thickness: 1px; }

/* ---------------------------------------------------------- avisos */

.alert {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  padding: 14px 17px; border-radius: var(--radius); margin: 0 0 15px;
}
.alert p { margin: 0; font-size: 0.95rem; }
.alert-warn {
  background: var(--warn-soft); border-color: var(--warn-soft); border-left-color: var(--warn);
}
.alert-danger {
  background: var(--danger-soft); border-color: var(--danger-soft); border-left-color: var(--danger);
}

/* ---------------------------------------------------------- tarjetas */

.cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(258px, 1fr));
  gap: 14px; margin: 0 0 30px;
}
.card {
  display: block; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; background: var(--bg); color: var(--ink);
  transition: border-color .12s ease, background .12s ease;
}
.card:hover { border-color: var(--brand); background: var(--bg-soft); text-decoration: none; }
.card h3 { margin: 0 0 7px; font-size: 1.02rem; }
.card p { margin: 0 0 12px; font-size: 0.9rem; color: var(--ink-soft); }
.card-meta { font-size: 0.82rem; color: var(--brand); font-weight: 550; }
.card-tag {
  display: inline-block; font-family: var(--mono); font-size: 0.68rem;
  text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600;
  padding: 3px 7px; border-radius: var(--radius); margin-bottom: 10px;
  background: var(--bg-code); color: var(--ink-soft);
}
.tag-prohibido { background: var(--danger-soft); color: var(--danger); }
.tag-alto { background: var(--warn-soft); color: var(--warn); }
.tag-limitado { background: var(--brand-soft); color: var(--brand-ink); }
.tag-minimo { background: var(--ok-soft); color: var(--ok); }

/* ---------------------------------------------------------- planes */

.planes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 16px;
  margin: 0 0 40px;
  align-items: start;
}
.plan {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
}
.plan-destacado {
  border-color: var(--brand);
  border-width: 2px;
  background: var(--bg-soft);
}
.plan-badge {
  position: absolute;
  top: -11px; left: 22px;
  background: var(--brand);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--radius);
}
.plan h3 { margin: 0 0 4px; font-size: 1.06rem; }
.plan-precio {
  font-size: 1.9rem;
  font-weight: 680;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 6px 0 2px;
}
.plan-nota {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-mute);
  margin: 0 0 14px;
}
.plan-para {
  font-size: 0.9rem;
  color: var(--ink-soft);
  padding-bottom: 14px;
  margin: 0 0 14px;
  border-bottom: 1px solid var(--line);
}
.plan ul {
  margin: 0 0 20px;
  padding-left: 18px;
  font-size: 0.89rem;
  flex-grow: 1;
}
.plan li { margin-bottom: 9px; color: var(--ink-soft); }
.plan .btn { text-align: center; margin-top: auto; }

@media (max-width: 720px) {
  .plan-precio { font-size: 1.7rem; }
}

/* ---------------------------------------------------------- fechas */

.next-dates {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 22px; margin: 34px 0;
}
.next-dates h2 { margin-top: 0; border: 0; padding-bottom: 0; }
.dates { list-style: none; padding: 0; margin: 0 0 12px; }
.dates li { padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 0.94rem; }
.dates li:last-child { border-bottom: 0; }
.dates strong { font-family: var(--mono); font-size: 0.85rem; color: var(--brand); margin-right: 8px; }

/* ---------------------------------------------------------- FAQ */

.faq details {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 13px 16px; margin-bottom: 9px; background: var(--bg);
}
.faq summary { cursor: pointer; font-weight: 590; font-size: 0.97rem; }
.faq summary::marker { color: var(--ink-mute); }
.faq p { margin: 11px 0 0; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------------------------------------------------------- CTA */

.cta {
  background: var(--brand-soft); border: 1px solid var(--brand);
  border-radius: var(--radius); padding: 26px 28px; margin: 44px 0;
}
.cta h2 { margin: 0 0 9px; border: 0; padding: 0; font-size: 1.22rem; }
.cta p { color: var(--ink-soft); max-width: 62ch; }
.cta-inline { margin: 34px 0; padding: 21px 23px; }

/* ---------------------------------------------------------- formulario */

.two-col { display: grid; grid-template-columns: 1fr 400px; gap: 44px; align-items: start; }
.two-col h2:first-child { margin-top: 0; }

.lead-form {
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 24px; background: var(--bg-soft); position: sticky; top: 84px;
}
.form-title { margin: 0 0 16px; border: 0; padding: 0; font-size: 1.1rem; }
.lead-form label {
  display: block; margin-bottom: 13px; font-size: 0.86rem;
  font-weight: 580; color: var(--ink-soft);
}
.lead-form input[type=text], .lead-form input[type=email],
.lead-form input[type=url], .lead-form textarea {
  display: block; width: 100%; margin-top: 5px;
  padding: 10px 12px; font-size: 0.95rem; font-family: inherit; font-weight: 400;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--bg); color: var(--ink);
}
.lead-form input:focus, .lead-form textarea:focus {
  outline: 2px solid var(--brand); outline-offset: -1px; border-color: var(--brand);
}
.lead-form textarea { resize: vertical; }
.lead-form .check {
  display: flex; gap: 9px; align-items: flex-start;
  font-weight: 400; font-size: 0.83rem; margin: 16px 0;
}
.lead-form .check input { margin-top: 3px; flex-shrink: 0; }
.form-note { font-size: 0.79rem; color: var(--ink-mute); margin: 11px 0 0; text-align: center; }
.hp { position: absolute; left: -9999px; }

/* ---------------------------------------------------------- pie */

.site-footer {
  border-top: 1px solid var(--line); background: var(--bg-soft);
  padding: 36px 0; margin-top: 60px; font-size: 0.9rem;
}
.footer-inner { display: grid; gap: 20px; }
.footer-brand p { margin: 5px 0 0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-nav a { color: var(--ink-soft); }
.site-footer .small { max-width: 78ch; line-height: 1.55; }

/* ---------------------------------------------------------- móvil */

@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: 30px; }
  .lead-form { position: static; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .header-inner { flex-direction: column; align-items: flex-start; gap: 10px; padding: 12px 0; }
  .site-nav { flex-wrap: wrap; gap: 8px 15px; width: 100%; }
  .site-nav a { font-size: 0.87rem; }
  .nav-cta { padding: 6px 12px; }
  h1 { font-size: 1.72rem; }
  .hero h1 { font-size: 1.95rem; max-width: none; }
  .hero .lead { font-size: 1.06rem; }
  h2 { font-size: 1.18rem; margin-top: 34px; }
  .cta, .next-dates { padding: 19px 18px; }
  .hero-actions .btn { flex: 1 1 100%; text-align: center; }
  table { min-width: 430px; }
  td:first-child { min-width: 155px; }
}