/* Estructura: contenedor, header sticky, footer */

.dsmx-wrap {
  width: min(100% - 2rem, var(--dsmx-wrap));
  margin-inline: auto;
}

.dsmx-section,
.dsmx-hero,
.dsmx-cdmx {
  scroll-margin-top: calc(var(--dsmx-header-h) + 0.5rem);
}

.dsmx-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--dsmx-header-h);
  background: color-mix(in srgb, var(--dsmx-night) 42%, transparent);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(10px);
}

.dsmx-header.is-scrolled {
  background: var(--dsmx-night);
  border-bottom-color: var(--dsmx-line-soft);
  box-shadow: 0 8px 24px rgba(6, 10, 16, 0.35);
}

.dsmx-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--dsmx-space-4);
  height: var(--dsmx-header-h);
}

.dsmx-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--dsmx-white);
  text-decoration: none;
  font-family: var(--dsmx-font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.dsmx-logo:hover {
  color: var(--dsmx-white);
}

.dsmx-logo__mark {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
}

.dsmx-logo__name {
  font-size: 1.05rem;
}

.dsmx-logo__mx {
  color: var(--dsmx-gold);
  font-weight: 500;
}

.dsmx-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.dsmx-nav a {
  color: var(--dsmx-mist);
  text-decoration: none;
  font-size: var(--dsmx-text-sm);
  font-weight: 500;
}

.dsmx-nav a:hover,
.dsmx-nav a[aria-current="page"] {
  color: var(--dsmx-white);
}

.dsmx-menu-btn {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--dsmx-line-soft);
  border-radius: var(--dsmx-radius-sm);
  background: transparent;
  color: var(--dsmx-paper);
  cursor: pointer;
}

.dsmx-menu-btn span,
.dsmx-menu-btn span::before,
.dsmx-menu-btn span::after {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  margin: 0 auto;
  background: currentColor;
  position: relative;
}

.dsmx-menu-btn span::before,
.dsmx-menu-btn span::after {
  content: "";
  position: absolute;
  left: 0;
}

.dsmx-menu-btn span::before {
  top: -6px;
}

.dsmx-menu-btn span::after {
  top: 6px;
}

.dsmx-footer {
  position: relative;
  z-index: 6;
  background: #0a0f15;
  border-top: 1px solid var(--dsmx-line-soft);
  padding: var(--dsmx-space-8) 0 var(--dsmx-space-6);
}

.dsmx-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--dsmx-space-7);
}

.dsmx-footer h2 {
  font-family: var(--dsmx-font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dsmx-gold);
  margin-bottom: var(--dsmx-space-4);
}

.dsmx-footer p,
.dsmx-footer li,
.dsmx-footer a {
  color: var(--dsmx-muted);
  font-size: var(--dsmx-text-sm);
}

.dsmx-footer ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.dsmx-footer a {
  text-decoration: none;
}

.dsmx-footer a:hover {
  color: var(--dsmx-paper);
}

.dsmx-footer__brand {
  max-width: 22rem;
}

.dsmx-footer__copy {
  margin-top: var(--dsmx-space-7);
  padding-top: var(--dsmx-space-5);
  border-top: 1px solid var(--dsmx-line-soft);
  display: flex;
  justify-content: space-between;
  gap: var(--dsmx-space-4);
  flex-wrap: wrap;
  color: var(--dsmx-muted);
  font-size: var(--dsmx-text-xs);
}

@media (max-width: 860px) {
  .dsmx-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .dsmx-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--dsmx-header-h);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--dsmx-space-4);
    background: var(--dsmx-graphite);
    border-bottom: 1px solid var(--dsmx-line-soft);
  }

  .dsmx-nav.is-open {
    display: flex;
  }

  .dsmx-nav a,
  .dsmx-nav .dsmx-btn {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1rem;
  }

  .dsmx-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--dsmx-space-6);
  }
}