:root {
  --navy: #0b1f3a;
  --teal: #0d9488;
  --teal-d: #0f766e;
  --ink: #122033;
  --muted: #5b6b7c;
  --bg: #f4f7fa;
  --card: #fff;
  --line: #d7e0ea;
  --up: #b42318;
  --down: #027a48;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}
a { color: var(--teal-d); }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.top { background: var(--navy); color: #fff; }
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 58px; }
.logo { color: #fff; text-decoration: none; font-weight: 800; font-size: 1.2rem; letter-spacing: .02em; display:flex; align-items:center; gap:.45rem; }
.logo img { width:36px; height:36px; border-radius:8px; display:block; flex:0 0 36px; }
.logo span { color: var(--teal); }
.nav { display: flex; gap: .2rem; overflow-x: auto; }
.nav a { color: #d7e8f5; text-decoration: none; padding: .45rem .7rem; border-radius: 6px; white-space: nowrap; font-size: .92rem; }
.nav a.on, .nav a:hover { background: var(--teal); color: #fff; text-decoration: none; }
main { padding: 1.2rem 0 2.4rem; }
h1 { font-size: 1.75rem; line-height: 1.25; margin: .3rem 0 .6rem; }
h2 { font-size: 1.25rem; margin: 1.4rem 0 .5rem; }
.lead { color: var(--muted); margin-top: 0; }
.hero {
  background: linear-gradient(135deg, var(--navy), #134e4a);
  color: #fff;
  border-radius: 14px;
  padding: 1.4rem 1.2rem;
  margin: .6rem 0 1.1rem;
}
.hero .big { font-size: clamp(2.2rem, 6vw, 3.4rem); font-weight: 800; letter-spacing: -.03em; }
.hero .meta { opacity: .9; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .8rem; margin: 1rem 0; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
}
.card .k { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.card .v { font-size: 1.6rem; font-weight: 800; color: var(--navy); }
.tools { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .8rem; }
.tools a {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: .9rem 1rem; text-decoration: none; color: inherit;
  transition: transform .15s, box-shadow .15s;
}
.tools a:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(11,31,58,.08); }
.clave {
  display: flex; gap: .7rem; background: #ecfdf8; border-left: 4px solid var(--teal);
  padding: .85rem 1rem; border-radius: 8px; margin: 1rem 0;
}
.clave .k { color: var(--teal-d); }
p i.fa-solid { margin-right: .4rem; color: var(--teal); }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: .45rem .55rem; border-bottom: 1px solid var(--line); }
.up { color: var(--up); }
.down { color: var(--down); }
.chart-box { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: .8rem; height: 320px; margin: 1rem 0; }
.chart-box.tall { height: 420px; }
.btn, button.btn {
  background: var(--teal); color: #fff; border: 0; border-radius: 8px;
  padding: .55rem 1rem; font-weight: 700; cursor: pointer;
}
input { width: 100%; padding: .45rem .5rem; border: 1px solid var(--line); border-radius: 8px; }
label { font-size: .85rem; color: var(--muted); display: block; margin: .4rem 0 .15rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
@media (max-width: 700px) { .grid2 { grid-template-columns: 1fr; } .nav { max-width: 62vw; } }
.crumbs { overflow-x: auto; }
.crumbs ol { display: flex; gap: .4rem; list-style: none; padding: 0; margin: .4rem 0 0; font-size: .86rem; white-space: nowrap; }
.crumbs li + li::before { content: "›"; margin-right: .4rem; color: var(--muted); }
footer { background: var(--navy); color: #c9d6e3; padding: 1.4rem 0; font-size: .92rem; }
footer a { color: #9ee7dc; }
.ck-banner {
  position: fixed; bottom: 0; left: 0; right: 0; background: #fff; border-top: 3px solid var(--teal);
  padding: .8rem 1rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; z-index: 40;
}
.ck-banner[hidden],
.ck-banner.is-off {
  display: none !important;
}
.article { max-width: 100%; }
.muted { color: var(--muted); }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: .6rem .8rem; margin: .4rem 0; }