/* ============================================================
   Robotic Park Lab — web del laboratorio
   Hoja de estilos compartida por todas las páginas del sitio.
   ============================================================ */

:root {
  --color-bg: #f6f8f7;
  --color-surface: #ffffff;
  --color-text: #17211c;
  --color-text-muted: #4c5a52;
  --color-border: #e0e6e2;

  --color-primary: #145c43;      /* verde del logo del laboratorio */
  --color-primary-dark: #0d3f2e;
  --color-accent: #d9782e;       /* naranja del logo */
  --color-accent-light: #fbeee1;

  --color-link: var(--color-primary);
  --color-link-hover: var(--color-primary-dark);

  --shadow-soft: 0 1px 3px rgba(15, 30, 22, 0.08), 0 8px 24px rgba(15, 30, 22, 0.06);
  --radius: 14px;
  --max-width: 1040px;

  --font-body: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Georgia", "Times New Roman", serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0e1512;
    --color-surface: #16201b;
    --color-text: #e8ede9;
    --color-text-muted: #a7b5ac;
    --color-border: #263229;

    --color-primary: #4fb98a;
    --color-primary-dark: #7fd1a8;
    --color-accent: #f0a35f;
    --color-accent-light: #2a2118;

    --color-link: var(--color-primary);
    --color-link-hover: var(--color-primary-dark);

    --shadow-soft: 0 1px 3px rgba(0, 0, 0, 0.35), 0 8px 24px rgba(0, 0, 0, 0.3);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

h1, h2, h3 { font-family: var(--font-heading); line-height: 1.25; color: var(--color-text); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Cabecera / navegación ---------- */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
  flex-wrap: wrap;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
}
.site-brand:hover { text-decoration: none; color: var(--color-primary); }
.site-brand img { width: 32px; height: 32px; border-radius: 50%; }

.site-nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }

.site-nav a {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover, .site-nav a[aria-current="page"] {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom-color: var(--color-accent);
}

/* ---------- Secciones genéricas ---------- */

main { padding: 3rem 0 4rem; }
.section { margin-bottom: 3.5rem; }
.section-title { font-size: 1.6rem; margin-bottom: 1.25rem; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 1.75rem;
}
.card + .card { margin-top: 1.25rem; }

/* ---------- Hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2.5rem;
  align-items: center;
  padding: 1.5rem 0 1rem;
}

.hero h1 { font-size: 2.3rem; margin: 0 0 0.5rem; }
.hero .role { color: var(--color-text-muted); font-size: 1.05rem; margin: 0 0 1.25rem; }
.hero .tagline { font-size: 1.05rem; max-width: 52ch; }
.hero-logo { width: 100%; max-width: 260px; margin: 0 auto; }

@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; }
  .hero-logo { max-width: 180px; }
}

/* ---------- Botones ---------- */

.button-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.55rem 1.1rem; border-radius: 999px;
  font-weight: 600; font-size: 0.92rem; border: 1px solid var(--color-primary);
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--color-primary); color: #ffffff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--color-primary); }
.btn-ghost:hover { background: var(--color-accent-light); }

/* ---------- Tags / enlaces ---------- */

.tag-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tag-list li {
  background: var(--color-accent-light); color: var(--color-accent);
  border-radius: 999px; padding: 0.4rem 0.9rem; font-size: 0.88rem; font-weight: 600;
}

.link-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.link-list a { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; }

/* ---------- Tarjetas en cuadrícula (líneas, plataforma, equipo…) ---------- */

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.item-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.item-card h3 { margin: 0; font-size: 1.1rem; }
.item-card p { margin: 0; color: var(--color-text-muted); font-size: 0.95rem; }

.status-badge {
  display: inline-block; width: fit-content;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase;
  padding: 0.2rem 0.65rem; border-radius: 999px;
  background: var(--color-accent-light); color: var(--color-accent);
}
.status-badge.muted { background: var(--color-border); color: var(--color-text-muted); }

/* ---------- Miembros del equipo ---------- */

.team-card { text-align: left; }
.team-card .avatar {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--color-accent-light); color: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-weight: 700; font-size: 1.5rem;
}
.team-card .role { color: var(--color-accent); font-weight: 600; font-size: 0.88rem; }

/* ---------- Pie de página ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.75rem 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}
.site-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; }

.breadcrumb { font-size: 0.88rem; color: var(--color-text-muted); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

.note {
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-light);
  padding: 0.9rem 1.1rem;
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
  color: var(--color-text);
}

.toc { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1.25rem 0 2.5rem; }
.toc a {
  font-size: 0.85rem; font-weight: 600; color: var(--color-text-muted);
  background: var(--color-accent-light); padding: 0.35rem 0.85rem; border-radius: 999px;
}
.toc a:hover { color: var(--color-accent); text-decoration: none; }

.pub-group { margin-top: 1.25rem; }
.pub-group h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }

.entry { margin-bottom: 1.1rem; }
.entry:last-child { margin-bottom: 0; }
.entry-title { font-weight: 700; }
.entry-meta { color: var(--color-text-muted); font-size: 0.92rem; }

/* ---------- Benchmarks (una sección completa por benchmark) ---------- */

.benchmark {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  background: var(--color-surface);
  padding: 1.75rem 1.75rem 2rem;
  margin-bottom: 2.5rem;
}

.benchmark h2 { margin-top: 0; }

.benchmark-sub {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 1.5rem 0 0.6rem;
  color: var(--color-primary);
}
.benchmark-sub:first-of-type { margin-top: 1.25rem; }

.data-specs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.5rem 1.5rem;
}
.data-specs li {
  font-size: 0.92rem;
  padding-left: 1.1rem;
  position: relative;
}
.data-specs li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}
.data-specs strong { color: var(--color-text); }

.ranking-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
  font-size: 0.92rem;
}
.ranking-table th, .ranking-table td {
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
}
.ranking-table th {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.ranking-table td.rank-pos { font-weight: 700; color: var(--color-accent); }
.ranking-table tr.rank-example td { color: var(--color-text-muted); font-style: italic; }