/* Cabecera */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 26, 31, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #ffffff14;
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; }
.brand img { height: 44px; width: auto; background: #ffffffee; border-radius: 6px; padding: 2px 6px; }
.nav { display: flex; gap: .6rem; font-size: .92rem; }
.nav a { text-decoration: none; color: #cfdcdc; padding: .75rem .55rem; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current] { color: var(--mint); }
.nav a[aria-current] { border-bottom-color: var(--mint); }
.nav-toggle { display: none; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; background: none; border: 0; color: var(--text); cursor: pointer; }

.skip {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 20;
  padding: .7rem 1.1rem;
  background: var(--green);
  color: #07210c;
  font-weight: 700;
  border-radius: 6px;
}
.skip:focus { top: 12px; }

/* Secciones con foto de fondo */
.section { position: relative; padding: clamp(64px, 10vw, 112px) 0; isolation: isolate; }
.section .bg { position: absolute; inset: 0; z-index: -2; }
.section .bg img { width: 100%; height: 100%; object-fit: cover; }
.section.photo::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(8, 18, 22, .92), rgba(8, 18, 22, .62));
}
.section.soft { background: var(--bg-soft); }

/* Portada */
.hero { min-height: 88vh; display: flex; align-items: center; }
.hero .company { font-size: clamp(1.1rem, 3vw, 1.7rem); letter-spacing: .16em; }
.hero h1 { font-size: clamp(2.3rem, 6vw, 4.2rem); margin: .6rem 0 0; }
.hero h1::after { content: ""; display: block; width: 84px; height: 4px; background: var(--copper); margin-top: 1.2rem; }
.cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }

/* Rejillas de tarjetas */
.grid { display: grid; gap: 1.1rem; margin-top: 2.2rem; }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--card);
  color: var(--ink);
  padding: 1.3rem 1.4rem;
  border-radius: var(--radius);
  border-top: 4px solid var(--teal);
}
.card h3 { font-size: 1.08rem; margin-bottom: .4rem; }
.card p { font-size: .94rem; color: var(--ink-soft); }

.callout { margin-top: 2rem; padding: 1.4rem 1.6rem; background: #0a1519cc; border-left: 4px solid var(--teal); max-width: 780px; }
.callout h3 { font-size: 1.4rem; margin-bottom: .5rem; }
.tags { margin-top: 1rem; color: var(--mint); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }

/* Contacto y pie */
.contact-list { list-style: none; margin-top: 1.6rem; display: grid; gap: .6rem; font-size: 1.25rem; font-weight: 600; }
.contact-list a { text-decoration: none; }
.contact-list a:hover { color: var(--mint); }
.site-footer { padding: 1.6rem 0; border-top: 1px solid #ffffff14; font-size: .82rem; color: #9fb2b2; }

/* Móvil */
@media (max-width: 820px) {
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: var(--bg); padding: 1rem 16px; gap: 1rem; }
  .nav.open { display: flex; }
  .nav-toggle { display: inline-flex; }
  .nav a { padding: .85rem .25rem; }
  .grid.c2, .grid.c3 { grid-template-columns: 1fr; }
  .contact-list { font-size: 1.05rem; word-break: break-word; }
}