/* EPSO Reasoning Simulator — sitio web. Sin fuentes ni scripts externos. */
:root {
  --blue: #0b4a9e;
  --blue-dark: #083a7d;
  --blue-deep: #062c5f;
  --blue-light: #e8eef8;
  --grey-bg: #f4f5f7;
  --grey-line: #cfd3da;
  --grey-soft: #e4e7ec;
  --text: #262b38;
  --muted: #5d6573;
  --yellow: #ffd24a;
  --yellow-dark: #f2c12e;
  --ok: #1d7a3d;
  --font: Arial, "Helvetica Neue", Helvetica, sans-serif;
  --max: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--text); font: 16px/1.6 var(--font); -webkit-text-size-adjust: 100%; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
a:hover { color: var(--blue-deep); }
h1, h2, h3, h4 { font-family: var(--font); color: var(--text); line-height: 1.25; margin: 0 0 .6em; }
h1 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: #fff; padding: 8px 12px; z-index: 10; }

/* Cabecera */
.site-header { border-bottom: 1px solid var(--grey-line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 84px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--text); }
.brand-mark { width: 44px; height: 44px; background: #003399; flex: none; color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 1.45rem; }
.brand-mark svg { width: 80%; height: 80%; }
.brand-name { font-size: 1.5rem; font-weight: 700; line-height: 1; color: var(--blue-deep); }
.brand-sub { display: block; font-size: .85rem; color: var(--muted); margin-top: 5px; }
.lang { display: flex; align-items: center; gap: 4px; font-size: .9rem; }
.lang svg { width: 18px; height: 18px; color: var(--blue); margin-right: 4px; }
.lang a { padding: 4px 7px; text-decoration: none; color: var(--blue); font-weight: 700; }
.lang a:hover { text-decoration: underline; }
.lang a[aria-current="true"] { background: var(--blue); color: #fff; }

.menu { background: var(--blue); }
.menu .wrap { display: flex; align-items: stretch; justify-content: space-between; gap: 8px; }
.menu nav { display: flex; flex-wrap: wrap; }
.menu nav a { color: #fff; text-decoration: none; padding: 14px 18px; font-size: .95rem; font-weight: 700; }
.menu nav a:first-child { padding-left: 0; }
.menu nav a:hover { background: var(--blue-dark); text-decoration: underline; }
.menu .btn { align-self: center; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 22px; border: 2px solid var(--blue); background: var(--blue); color: #fff; font: 700 1rem/1.2 var(--font); text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--blue-dark); border-color: var(--blue-dark); color: #fff; }
.btn.secondary { background: #fff; color: var(--blue); }
.btn.secondary:hover { background: var(--blue-light); color: var(--blue-deep); }
.btn.cta { background: var(--yellow); border-color: var(--yellow); color: var(--text); }
.btn.cta:hover { background: var(--yellow-dark); border-color: var(--yellow-dark); color: var(--text); }
.btn.small { padding: 8px 16px; font-size: .92rem; }
.btn svg { width: 18px; height: 18px; flex: none; }

/* Cabecera de página */
.page-header { background: var(--grey-bg); border-bottom: 1px solid var(--grey-line); }
.page-header .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding-top: 48px; padding-bottom: 56px; }
.lead { font-size: 1.15rem; color: #3a4150; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 12px; }
.fine { font-size: .87rem; color: var(--muted); }
/* Mac download: a button that opens the choice between Apple chip and Intel */
.dl-mac { position: relative; }
#dl-win, .dl-mac summary { min-width: 280px; }
.dl-mac summary { list-style: none; }
.dl-mac summary::-webkit-details-marker { display: none; }
.dl-mac summary::after { content: "▾"; font-size: .9em; }
.dl-mac[open] summary::after { content: "▴"; }
.dl-menu { position: absolute; z-index: 5; top: calc(100% + 6px); left: 0; width: min(360px, calc(100vw - 32px)); background: #fff; border: 1px solid var(--grey-line); box-shadow: 0 8px 24px rgba(6, 44, 95, .15); padding: 8px; }
.dl-menu a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; font-weight: 700; text-decoration: none; }
.dl-menu a:hover { background: var(--blue-light); }
.dl-menu svg { width: 18px; height: 18px; flex: none; }
.dl-menu p { margin: 6px 12px 4px; font-size: .82rem; color: var(--muted); }

.window { border: 1px solid var(--grey-line); background: #fff; box-shadow: 0 10px 28px -14px rgba(6, 44, 95, .35); }
.window-bar { display: flex; justify-content: space-between; align-items: center; background: var(--blue); color: #fff; font-size: .8rem; padding: 7px 10px 7px 14px; }
.window-bar .ctrl { letter-spacing: .12em; opacity: .85; }
.window-head { display: flex; justify-content: space-between; padding: 8px 14px; border-bottom: 1px solid var(--grey-soft); font-size: .8rem; color: var(--muted); }
.window-head strong { color: var(--text); font-variant-numeric: tabular-nums; }

/* Cifras */
.figures { padding: 40px 0 8px; }
.figures ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.figures li { border-left: 4px solid var(--blue); padding: 2px 0 2px 16px; }
.figures b { display: block; font-size: 2.2rem; color: var(--blue); line-height: 1.1; }
.figures span { color: #3a4150; font-size: .95rem; }

/* Secciones */
section { padding: 64px 0; }
section.grey { background: var(--grey-bg); border-top: 1px solid var(--grey-line); border-bottom: 1px solid var(--grey-line); }
.intro { max-width: 46em; margin-bottom: 32px; color: #3a4150; font-size: 1.05rem; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid var(--grey-line); padding: 24px; }
.card .label { display: inline-block; background: var(--blue-light); color: var(--blue-deep); font-size: .8rem; font-weight: 700; padding: 3px 8px; margin-bottom: 12px; }
.card dl { display: flex; gap: 28px; margin: 4px 0 16px; padding: 12px 0; border-top: 1px solid var(--grey-soft); border-bottom: 1px solid var(--grey-soft); }
.card dt { font-size: .82rem; color: var(--muted); }
.card dd { margin: 0; font-size: 1.5rem; font-weight: 700; color: var(--blue); }
.card p { font-size: .97rem; color: #3a4150; margin-bottom: .6em; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.traps { list-style: none; padding: 0; margin: 20px 0 0; border-top: 1px solid var(--grey-line); }
.traps li { display: grid; grid-template-columns: 52px 1fr; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--grey-line); font-size: .97rem; }
.traps code { font: 700 .78rem/1 var(--font); color: #fff; background: var(--blue); padding: 6px 0; text-align: center; height: fit-content; }
figure { margin: 0; }
figcaption { font-size: .87rem; color: var(--muted); margin-top: 10px; }

.list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
.list li { padding: 16px 0; border-bottom: 1px solid var(--grey-line); }
.list b { display: block; color: var(--blue-deep); }
.list span { color: #3a4150; font-size: .96rem; }

.about { border-left: 4px solid var(--yellow); background: #fff; padding: 22px 26px; max-width: 52em; }
.about p:last-child { margin: 0; }

/* Precio */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 900px; }
.plan { background: #fff; border: 1px solid var(--grey-line); padding: 28px; display: flex; flex-direction: column; }
.plan.featured { border-top: 6px solid var(--blue); }
.price { font-size: 2.8rem; font-weight: 700; color: var(--blue); line-height: 1; margin: 14px 0 4px; }
.price small { font-size: .9rem; font-weight: 400; color: var(--muted); margin-left: 6px; }
.plan ul { list-style: none; padding: 0; margin: 18px 0 24px; flex: 1; }
.plan li { padding: 8px 0 8px 26px; border-top: 1px solid var(--grey-soft); position: relative; font-size: .97rem; }
.plan li::before { content: "✓"; position: absolute; left: 2px; color: var(--ok); font-weight: 700; }
.plan li.no { color: var(--muted); }
.plan li.no::before { content: "–"; color: var(--muted); }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 900px; }
.steps li { counter-increment: s; font-size: .94rem; color: #3a4150; }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; margin-bottom: 10px; }

/* Acordeón */
.faq { max-width: 860px; border-top: 1px solid var(--grey-line); }
.faq details { border-bottom: 1px solid var(--grey-line); }
.faq summary { cursor: pointer; list-style: none; padding: 16px 44px 16px 0; font-weight: 700; color: var(--blue); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 8px; top: 10px; font-size: 1.6rem; font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: #3a4150; padding-right: 44px; }

.banner { background: var(--blue); color: #e4ecf8; }
.banner .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.banner h2 { color: #fff; margin-bottom: .2em; }
.banner p { margin: 0; }

/* Pie */
.site-footer { background: var(--blue-deep); color: #c9d6ea; font-size: .9rem; }
.site-footer .cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; padding: 40px 0 28px; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 10px; }
.site-footer a { color: #fff; display: block; padding: 3px 0; }
.site-footer .small { border-top: 1px solid #23457a; padding: 16px 0 24px; font-size: .78rem; color: #9fb2cf; }
.site-footer .small p { margin: 0 0 4px; }

/* Páginas legales */
.crumbs { font-size: .88rem; margin-bottom: 14px; }
.crumbs a { color: var(--blue); }
.legal-page .page-header .wrap { display: block; padding-top: 28px; padding-bottom: 32px; }
.legal { padding: 40px 0 72px; }
.legal .wrap { max-width: 860px; }
.legal h2 { font-size: 1.3rem; margin-top: 1.8em; }
.legal .todo { background: #fff2b8; padding: 0 4px; }
.legal p, .legal li { color: #333a48; }

@media (max-width: 920px) {
  .page-header .wrap, .split { grid-template-columns: 1fr; gap: 36px; }
  .cards { grid-template-columns: 1fr; }
  .figures ul { grid-template-columns: repeat(2, 1fr); }
  .menu nav { display: none; }
  .menu .wrap { padding-top: 8px; padding-bottom: 8px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .site-footer .cols { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  section { padding: 48px 0; }
  .site-header .wrap { min-height: 70px; }
  .brand-sub { display: none; }
  .brand-mark { width: 38px; height: 38px; font-size: 1.2rem; }
  .lang svg { display: none; }
  .plans, .list { grid-template-columns: 1fr; }
  .actions .btn { width: 100%; }
  .figures b { font-size: 1.8rem; }
}