:root {
  --bg: #f8f8f8;
  --surface: #ffffff;
  --ink: #171717;
  --muted: #666666;
  --line: #d9d9d9;
  --radius: 10px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
}

/* Base y legibilidad global */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", sans-serif;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--bg);
}

h1,
h2,
h3,
h4 {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
}

p {
  margin: 0 0 var(--space-2);
}

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

code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.92rem;
}

/* Contenedor y estructura principal */
.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: #ffffffef;
  backdrop-filter: blur(5px);
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-2) 0;
}

.brand {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.nav-list a {
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  display: inline-block;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background-color: #111111;
  color: #ffffff;
  outline: none;
}

.hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--muted);
}

.lead {
  max-width: 70ch;
}

.section {
  padding: var(--space-4) 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

/* Tablas tecnicas con scroll horizontal en movil */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  background: #ffffff;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.8rem;
  border-bottom: 1px solid var(--line);
}

thead th {
  background: #f1f1f1;
  font-family: "Space Grotesk", sans-serif;
}

tbody tr:nth-child(even) {
  background: #fcfcfc;
}

pre {
  margin: 0 0 var(--space-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f5f5f5;
  padding: 0.9rem;
  overflow-x: auto;
}

.video {
  font-weight: 600;
}

.count {
  margin-top: var(--space-2);
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: var(--space-3) 0;
}

/* Ajustes desktop: navegacion en una sola linea y mayor aire visual */
@media (min-width: 768px) {
  .header-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .hero {
    padding-top: 5rem;
    padding-bottom: 3rem;
  }

  .card {
    padding: 2rem;
  }
}