/* Cabecera y pie compartidos por TODAS las páginas de rolandpcs.com (también el verificador).
   Autocontenido: no depende de marca.css, para que el verificador lo pueda usar con sus propios estilos. */
.cabecera, .pie-sitio {
  --cab-bg: rgba(246, 250, 255, .82); --cab-ink: #0B1B33; --cab-muted: #5B6B82; --cab-line: #DCE5F0; --cab-accent: #1F6FEB; --cab-accent-2: #1A5FD2; --cab-soft: #EEF5FF; --cab-wa: #128C4A;
  --cab-curva: cubic-bezier(.22, .61, .36, 1);
  font-family: "Poppins", "Segoe UI", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .cabecera, :root:not([data-theme="light"]) .pie-sitio {
  --cab-bg: rgba(7, 18, 42, .82); --cab-ink: #E6EEFA; --cab-muted: #9DB0CC; --cab-line: #1B3156; --cab-accent: #5B9BFF; --cab-accent-2: #7AAEFF; --cab-soft: #10284F; --cab-wa: #3CCB7F; } }
:root[data-theme="dark"] .cabecera, :root[data-theme="dark"] .pie-sitio {
  --cab-bg: rgba(7, 18, 42, .82); --cab-ink: #E6EEFA; --cab-muted: #9DB0CC; --cab-line: #1B3156; --cab-accent: #5B9BFF; --cab-accent-2: #7AAEFF; --cab-soft: #10284F; --cab-wa: #3CCB7F; }

.cabecera { position: sticky; top: 0; z-index: 50; background: var(--cab-bg); -webkit-backdrop-filter: saturate(1.4) blur(12px); backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--cab-line); transition: box-shadow 260ms var(--cab-curva); }
.cabecera.con-sombra { box-shadow: 0 6px 24px rgba(18, 58, 143, .10); }
.cabecera .cab-wrap { max-width: var(--cab-max, 1180px); margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 16px; min-height: 64px; }
.cabecera .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--cab-ink); flex: none; }
.cabecera .logo img { width: 34px; height: 34px; transition: transform 320ms cubic-bezier(.34, 1.4, .64, 1); }
.cabecera .logo:hover img { transform: rotate(-8deg) scale(1.06); }
.cabecera .logo .txt { line-height: 1.05; }
.cabecera .logo b { display: block; font-size: 18px; font-weight: 700; color: var(--cab-ink); }
.cabecera .logo span span { display: block; font-size: 12px; font-weight: 500; color: var(--cab-accent); }
.cabecera .nav { margin-left: auto; display: flex; gap: 6px; align-items: center; }
.cabecera .nav a { position: relative; color: var(--cab-ink); text-decoration: none; font-weight: 500; font-size: 15px; padding: 8px 10px; border-radius: 10px; transition: color 200ms var(--cab-curva), background-color 200ms var(--cab-curva); }
.cabecera .nav a:not(.cab-wa)::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: 3px; height: 2px; border-radius: 2px; background: var(--cab-accent); transform: scaleX(0); transform-origin: left; transition: transform 260ms var(--cab-curva); }
.cabecera .nav a:not(.cab-wa):hover { color: var(--cab-accent); background: var(--cab-soft); }
.cabecera .nav a:not(.cab-wa):hover::after, .cabecera .nav a[aria-current="page"]::after { transform: scaleX(1); }
.cabecera .nav a[aria-current="page"] { color: var(--cab-accent); }
.cabecera .cab-wa { margin-left: 8px; display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 8px 16px; border-radius: 999px; color: #fff !important; font-weight: 600 !important; font-size: 14.5px !important;
  background: linear-gradient(180deg, #1FA65C, var(--cab-wa)); box-shadow: 0 6px 16px rgba(18, 140, 74, .26); transition: transform 240ms var(--cab-curva), box-shadow 240ms var(--cab-curva); }
.cabecera .cab-wa:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(18, 140, 74, .34); }
.cabecera .cab-wa svg { width: 16px; height: 16px; }
.cabecera a:focus-visible { outline: 3px solid color-mix(in srgb, var(--cab-accent) 45%, transparent); outline-offset: 2px; }
@media (max-width: 900px) {
  .cabecera .cab-wrap { flex-wrap: wrap; gap: 0 16px; padding-top: 8px; }
  .cabecera .nav { margin-left: 0; width: 100%; gap: 2px; justify-content: space-between; overflow-x: auto; scrollbar-width: none; padding: 4px 0 6px; }
  .cabecera .nav::-webkit-scrollbar { display: none; }
  .cabecera .nav { justify-content: flex-start; gap: 4px; -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent); mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent); padding-right: 24px; }
  .cabecera .nav.al-final { -webkit-mask-image: none; mask-image: none; }
  .cabecera .nav a { white-space: nowrap; font-size: 14px; padding: 7px 7px; }
  .cabecera .nav a:not(.cab-wa)::after { left: 6px; right: 6px; }
  .cabecera .cab-wa { display: none; }
}

/* Pie */
.pie-sitio { text-align: left; border-top: 1px solid var(--cab-line); padding: 40px 0 56px; margin-top: 24px; font-size: 14.5px; color: var(--cab-muted); }
.pie-sitio .cab-wrap { max-width: var(--cab-max, 1180px); margin: 0 auto; padding: 0 16px; display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 24px; }
.pie-sitio b { color: var(--cab-ink); display: block; margin-bottom: 6px; font-weight: 600; }
.pie-sitio p { margin: 0 0 8px; }
.pie-sitio a { color: var(--cab-muted); text-decoration: none; display: block; margin-bottom: 4px; transition: color 200ms var(--cab-curva), transform 200ms var(--cab-curva); }
.pie-sitio a:hover { color: var(--cab-accent); transform: translateX(2px); }
.pie-sitio .logo { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.pie-sitio .logo img { width: 34px; height: 34px; }
.pie-sitio .logo b { margin: 0; line-height: 1.05; }
.pie-sitio .logo span span { display: block; font-size: 12px; font-weight: 500; color: var(--cab-accent); }
.pie-sitio .legal { grid-column: 1 / -1; border-top: 1px solid var(--cab-line); padding-top: 16px; font-size: 13px; }
@media (max-width: 720px) { .pie-sitio .cab-wrap { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .cabecera *, .pie-sitio * { transition: none !important; } }