/* ============================================================
   LABOPACK.COM — hoja de estilos única
   Estética: tech oscuro · sin dependencias externas · mobile-first
   ============================================================ */

:root {
  --bg: #0a0f1c;
  --surface: #101a2c;
  --surface-2: #16233a;
  --border: #22304a;
  --text: #e6edf6;
  --muted: #93a7c4;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --ok: #34d399;
  --radius: 14px;
  --maxw: 1080px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

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

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 15, 28, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; gap: 16px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.15rem; letter-spacing: 0.5px;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand .brand-logo { height: 34px; width: auto; display: block; }

.nav-toggle { display: none; }
.nav-toggle-label {
  display: none; cursor: pointer; padding: 8px;
  flex-direction: column; gap: 5px;
}
.nav-toggle-label span {
  display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px;
}

.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: 0.95rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); text-decoration: none; }
.nav-links a[aria-current="page"] { border-bottom: 2px solid var(--accent); padding-bottom: 3px; }
.nav-links .btn { color: #06121f; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  font-weight: 700; font-size: 0.95rem; letter-spacing: 0.2px;
  background: var(--accent); color: #06121f;
  transition: transform 0.12s ease, background 0.12s ease;
}
.btn:hover { background: #7dd3fc; text-decoration: none; transform: translateY(-1px); }
.btn.ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn.ghost:hover { border-color: var(--accent); background: rgba(56, 189, 248, 0.08); }

/* ---------- Hero ---------- */
.hero { padding: 84px 0 64px; }
.hero .kicker {
  color: var(--accent); font-weight: 700; text-transform: uppercase;
  letter-spacing: 2px; font-size: 0.8rem; margin: 0 0 14px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.12; margin: 0 0 20px; letter-spacing: -0.5px;
}
.hero h1 .hl { color: var(--accent); }
.hero .lead { color: var(--muted); font-size: 1.15rem; max-width: 46rem; margin: 0 0 32px; }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Secciones ---------- */
section { padding: 56px 0; }
section.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0 0 8px; letter-spacing: -0.3px; }
.section-sub { color: var(--muted); max-width: 44rem; margin: 0 0 36px; }

/* ---------- Grids y tarjetas ---------- */
.grid { display: grid; gap: 20px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--accent-strong); transform: translateY(-2px); }
.card h3 { margin: 0 0 10px; font-size: 1.12rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.96rem; }
.card .icon { font-size: 1.6rem; display: block; margin-bottom: 12px; }
.card a.more { display: inline-block; margin-top: 14px; font-weight: 700; font-size: 0.9rem; }

.card.feature { background: var(--surface-2); }

/* Tarjeta destacada (los 2 caminos de la home) */
.path-card {
  background: linear-gradient(160deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px; display: flex; flex-direction: column; gap: 12px;
}
.path-card:hover { border-color: var(--accent-strong); }
.path-card h3 { margin: 0; font-size: 1.45rem; }
.path-card p { color: var(--muted); margin: 0; flex-grow: 1; }
.path-card .btn { align-self: flex-start; margin-top: 8px; }

/* ---------- Franja de métricas ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: center; }
.stat .num { font-size: 2rem; font-weight: 800; color: var(--accent); display: block; }
.stat .label { color: var(--muted); font-size: 0.88rem; }

/* ---------- Listas de checks ---------- */
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checklist li { padding-left: 30px; position: relative; color: var(--muted); }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--ok); font-weight: 800;
}
.checklist li strong { color: var(--text); }

/* ---------- Cita / claim ---------- */
.claim {
  border-left: 4px solid var(--accent);
  background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0;
  padding: 26px 30px; margin: 0;
  font-size: 1.25rem; font-weight: 600; line-height: 1.5;
}
.claim .who { display: block; margin-top: 10px; color: var(--muted); font-size: 0.9rem; font-weight: 400; }

/* ---------- CTA final ---------- */
.cta-final { text-align: center; padding: 72px 0; }
.cta-final h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); margin: 0 0 14px; }
.cta-final p { color: var(--muted); margin: 0 0 28px; }

/* ---------- Tabla comparativa / specs ---------- */
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.spec-table th, .spec-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.spec-table th { color: var(--accent); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; }
.spec-table td { color: var(--muted); }
.spec-table td:first-child { color: var(--text); font-weight: 600; }
.table-wrap { overflow-x: auto; }

/* ---------- Flujo operativo (pipeline del almacén) ---------- */
.flow { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center; margin: 0 0 10px; }
.flow .step {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 999px; padding: 8px 18px; font-weight: 700; font-size: 0.9rem; color: var(--text);
}
.flow .arrow { color: var(--accent); font-weight: 800; }

/* ---------- Grupos de módulos ---------- */
.module-group { margin-top: 42px; }
.module-group > h3 {
  font-size: 1.1rem; margin: 0 0 4px; color: var(--accent);
  text-transform: uppercase; letter-spacing: 1.2px; font-size: 0.9rem;
}
.module-group .mg-sub { color: var(--muted); margin: 0 0 18px; font-size: 0.98rem; max-width: 46rem; }

/* ---------- Tabla comparativa ---------- */
.compare-table col.col-us { background: rgba(56, 189, 248, 0.07); }
.compare-table th:not(:first-child), .compare-table td:not(:first-child) { text-align: center; }
.compare-table th.us { color: var(--text); }
.compare-table td.yes { color: var(--ok); font-weight: 700; }
.compare-table td.mid { color: var(--muted); }
.compare-note { color: var(--muted); font-size: 0.82rem; margin: 14px 0 0; }

/* ---------- Casos de éxito ---------- */
.case p { margin: 0 0 10px; color: var(--muted); font-size: 0.98rem; }
.case p:last-of-type { margin-bottom: 0; }
.case p strong { color: var(--text); }
.case .anon { display: block; color: var(--muted); font-size: 0.85rem; font-style: italic; margin-bottom: 12px; }
.case .case-tag { color: var(--accent); font-weight: 700; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 1px; margin-top: 14px; }

/* ---------- Artículo / guía long-form ---------- */
.article-hero { padding: 64px 0 8px; }
.breadcrumb { color: var(--muted); font-size: 0.85rem; margin: 0 0 14px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.article-body { max-width: 760px; }
.article-body h2 { font-size: clamp(1.4rem, 2.6vw, 1.7rem); margin: 44px 0 12px; letter-spacing: -0.2px; }
.article-body h3 { font-size: 1.14rem; margin: 26px 0 8px; }
.article-body p { margin: 0 0 16px; }
.article-body ul { margin: 0 0 18px; padding-left: 22px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--text); }
.article-body .article-cta {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 28px; margin: 36px 0 8px;
}
.article-body .article-cta h3 { margin-top: 0; }
.article-body .note { color: var(--muted); font-size: 0.85rem; border-top: 1px solid var(--border); padding-top: 16px; margin-top: 34px; }

/* ---------- Partner tecnológico ---------- */
.partner {
  display: flex; align-items: center; gap: 24px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 28px; max-width: 780px; margin: 0 auto;
}
.partner img.p-logo { width: 64px; height: 64px; flex-shrink: 0; }
.partner .p-body { margin: 0; color: var(--muted); font-size: 0.98rem; }
.partner .p-body strong { color: var(--text); }
.partner .p-kicker {
  color: var(--accent); font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; font-size: 0.72rem; display: block; margin-bottom: 6px;
}
@media (max-width: 860px) { .partner { flex-direction: column; text-align: center; } }

/* Línea de partner en el footer */
.footer-partner-row { margin: 2px 0 18px; }
.footer-partner { display: inline-flex; align-items: center; gap: 8px; }
.footer-partner a { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-weight: 600; }
.footer-partner a:hover { color: var(--accent); }
.footer-partner img { width: 20px; height: 20px; }

/* Franja de partner en la home */
.partner-inline { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; }
.partner-inline img { width: 30px; height: 30px; }

/* ---------- Contacto ---------- */
.contact-block {
  display: flex; flex-direction: column; gap: 18px; align-items: flex-start;
}
.contact-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 26px; width: 100%; max-width: 520px;
  font-size: 1.05rem;
}
.contact-item .ci-icon { font-size: 1.5rem; }
.contact-item a { font-weight: 700; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border); background: var(--surface);
  padding: 44px 0 30px; margin-top: 40px;
  color: var(--muted); font-size: 0.9rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; margin-bottom: 26px; }
.site-footer h4 { color: var(--text); margin: 0 0 12px; font-size: 0.95rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }
.footer-legal { border-top: 1px solid var(--border); padding-top: 20px; font-size: 0.82rem; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 44px; }

  .nav-toggle-label { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 10px 22px 20px;
  }
  .nav-links li { padding: 10px 0; }
  .nav-toggle:checked ~ .nav-links { display: flex; }
}