:root {
  --bg: #f3f4f6;
  --surface: #ffffff;
  --ink: #121417;
  --muted: #5c6570;
  --line: #e3e6eb;
  --amber: #f5c400;
  --amber-soft: #fff4cc;
  --amber-ink: #7a5600;
  --success: #0e7a3d;
  --success-soft: #e5f6ec;
  --space: 20px;
  --card: 20px;
  --control: 14px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Barlow, "Avenir Next", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a {
  color: var(--ink);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--amber-ink);
}

a:focus-visible,
.nav a:focus-visible {
  outline: 2px solid var(--amber-ink);
  outline-offset: 3px;
}

.barra {
  height: 8px;
  background: var(--amber);
}

.marco {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.marca {
  margin: 0;
  color: var(--amber-ink);
  font-family: "Barlow Condensed", "Avenir Next Condensed", "Arial Narrow", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

h1 {
  margin: 8px 0 0;
  font-family: "Barlow Condensed", "Avenir Next Condensed", "Arial Narrow", sans-serif;
  font-size: 40px;
  font-weight: 600;
  line-height: 1;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.nav li,
.nav li + li {
  margin: 0;
}

.nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--control);
  background: var(--surface);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  text-decoration: none;
}

.nav a[aria-current="page"] {
  border-color: var(--amber);
  background: var(--amber-soft);
  color: var(--amber-ink);
}

.resumen,
section,
.correo {
  margin-top: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--card);
  background: var(--surface);
}

.resumen {
  background: var(--amber-soft);
  border-color: transparent;
}

h2 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.3;
}

p,
li {
  margin: 0;
}

p + p,
ul + p,
p + ul {
  margin-top: 12px;
}

ul {
  margin: 12px 0 0;
  padding-left: 18px;
}

li + li {
  margin-top: 8px;
}

.nota {
  color: var(--muted);
  font-size: 14px;
}

.correo a {
  font-weight: 600;
}

.hecho {
  background: var(--success-soft);
  border-color: transparent;
}

footer {
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
}