/* Archivo: web/assets/css/layout.css | Resumen: encabezado, pie único y estructura general. */
.site-header,
.site-footer,
main { position: relative; z-index: 1; }

.site-header {
  position: sticky;
  top: 0.85rem;
  z-index: 50;
  pointer-events: none;
  padding-inline: clamp(0.5rem, 1.5vw, 1.25rem);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.header-inner {
  pointer-events: auto;
  min-height: 3.5rem;
  padding: 0.42rem 1.2rem;
  background: rgb(12 14 18 / 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgb(244 241 234 / 0.12);
  border-radius: var(--radius-pill);
  box-shadow:
    0 12px 36px -8px rgb(0 0 0 / 0.65),
    0 0 0 1px rgb(244 241 234 / 0.03),
    inset 0 1px 0 rgb(255 255 255 / 0.08);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.header-inner:hover {
  border-color: rgb(197 232 168 / 0.28);
  box-shadow:
    0 14px 40px -8px rgb(0 0 0 / 0.75),
    0 0 24px rgb(197 232 168 / 0.07);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-mark {
  width: 0.65rem;
  height: 1.65rem;
  border-radius: 2px;
  background: linear-gradient(180deg, #e8ffd4, var(--accent) 55%, #6e8a58);
  box-shadow: 0 0 16px var(--glow);
}

.brand-name {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand-name em {
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.84rem;
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-desk {
  font-size: 0.86rem;
  color: var(--muted);
}

.nav-access {
  flex-shrink: 0;
  padding: 0.45rem 0.95rem;
  border: 1px solid rgb(244 241 234 / 0.2);
  border-radius: var(--radius-pill);
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
  background: rgb(255 255 255 / 0.03);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.nav-access:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgb(197 232 168 / 0.08);
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 1rem;
}

.footer-inner {
  padding-block: 1.35rem 1.5rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.footer-copy { margin: 0; }

.web-design {
  position: relative;
  color: var(--ink);
  letter-spacing: 0.08em;
  text-transform: lowercase;
  border-bottom: 1px solid rgb(244 241 234 / 0.25);
}

.web-design:hover,
.web-design:focus-visible { color: var(--accent); }

.web-design::after {
  content: attr(data-hint);
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.7rem);
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  color: var(--ink);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  text-transform: none;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
}

.web-design:hover::after,
.web-design:focus-visible::after { opacity: 1; }

@media (max-width: 900px) {
  .site-header { top: 0.5rem; }
  .header-inner {
    min-height: 3.2rem;
    padding: 0.35rem 0.85rem;
    gap: 0.75rem;
  }
  .brand { gap: 0.55rem; }
  .brand-name { font-size: 0.72rem; letter-spacing: 0.12em; }
  .nav-links,
  .nav-desk { display: none; }
  .nav-access {
    display: inline-flex;
    padding: 0.4rem 0.8rem;
    font-size: 0.76rem;
  }
  .footer-inner {
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .footer-copy { order: 3; width: 100%; }
}

@media (max-width: 500px) {
  .site-header { padding-inline: 0.5rem; top: 0.35rem; }
  .header-inner {
    padding: 0.3rem 0.75rem;
  }
  .brand-name em { display: none; }
}