/* =======================================================
   layout.css · navbar, secciones, footer
   ======================================================= */

/* ========== NAVBAR ========== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  min-height: var(--nav-height);
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  will-change: transform;
  display: flex;
  align-items: center;
  transition: background var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              backdrop-filter var(--dur-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(5, 11, 26, 0.72);
  border-bottom-color: var(--glass-border);
  backdrop-filter: blur(var(--blur-md)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(140%);
}

.nav-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: var(--fw-bold);
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}
.nav-brand img { width: 32px; height: 32px; }
.nav-brand .brand-text { display: inline-block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav-links a {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  padding: 6px 2px;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--grad-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta .btn { padding: 10px 20px; font-size: var(--fs-sm); }

/* Toggle hamburguesa (mobile) */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}
.nav-toggle span {
  position: relative;
  width: 22px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-fast) var(--ease-out);
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 100%; height: 2px; background: var(--color-text); border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after  { top:  7px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span::after  { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  inset: var(--nav-height) 0 0 0;
  background: rgba(5, 11, 26, 0.96);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  display: flex; flex-direction: column;
  padding: var(--space-8) var(--container-pad);
  gap: var(--space-4);
  transform: translateY(-110%);
  transition: transform var(--dur-base) var(--ease-out);
  z-index: 99;
}
.nav-mobile.is-open { transform: translateY(0); }
.nav-mobile a {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-semi);
  padding: 14px 0;
  border-bottom: 1px solid var(--glass-border);
}
.nav-mobile .btn { margin-top: var(--space-4); justify-content: center; }

/* ========== Sección base ========== */
section.section {
  position: relative;
  padding-block: var(--section-pad-y);
  z-index: 1;
}

.section-head {
  max-width: 760px;
  margin-bottom: var(--space-12);
}
.section-head.center { margin-inline: auto; text-align: center; }

/* ========== FOOTER ========== */
.site-footer {
  position: relative;
  z-index: 1;
  padding-block: var(--space-12) var(--space-6);
  border-top: 1px solid var(--glass-border);
  background: rgba(5, 11, 26, 0.6);
  backdrop-filter: blur(var(--blur-sm));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}
.footer-brand p {
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 320px;
}
.footer-brand .footer-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: var(--fw-bold); font-size: 1.0625rem;
}
.footer-brand .footer-logo img { width: 32px; height: 32px; }

.footer-col h4 {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-col a {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  transition: color var(--dur-fast) var(--ease-out);
}
.footer-col a:hover { color: var(--color-accent-glow); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--glass-border);
  font-size: var(--fs-xs);
  color: var(--color-text-dim);
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.footer-social a:hover {
  background: var(--glass-bg-strong);
  border-color: var(--color-accent);
  color: var(--color-accent-glow);
}
/* ── Soporte / contacto — datos reales del sitio (branding.js · data-brand="soporte-*") ── */
.footer-contact {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 18px;
  padding: 0;
}
.footer-contact .fc-item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.875rem;
  line-height: 1.3;
  color: inherit;
  opacity: 0.82;
  transition: opacity 0.18s ease;
}
.footer-contact a.fc-item:hover { opacity: 1; }
.footer-contact .fc-item svg { flex: 0 0 auto; width: 16px; height: 16px; opacity: 0.7; }
.footer-contact .fc-item span { word-break: break-word; }