.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247,249,252,.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(219,229,239,.75);
}
.header-inner {
  position: relative;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 48px; width: auto; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--color-muted);
  font-weight: 700;
  font-size: .94rem;
}
.site-nav a:hover { background: var(--color-surface); color: var(--color-text); }
.nav-toggle { display: none; }
.hero {
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 20%, rgba(15,118,110,.14), transparent 34%),
    radial-gradient(circle at 86% 16%, rgba(230,169,59,.18), transparent 30%),
    var(--color-bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, .58fr);
  gap: 48px;
  align-items: center;
}
.hero-text { max-width: 680px; font-size: 1.15rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 22px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 10px; }
.trust-row span {
  display: inline-flex;
  padding: 8px 12px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(255,255,255,.7);
  color: var(--color-muted);
  font-size: .92rem;
  font-weight: 700;
}
.hero-card { justify-self: end; width: 100%; }
.two-col {
  display: grid;
  grid-template-columns: minmax(0, .98fr) minmax(320px, .52fr);
  gap: 28px;
  align-items: start;
}
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(300px, .45fr);
  gap: 44px;
  align-items: start;
}
.section-head { max-width: 720px; margin-bottom: 30px; }
.section-head.compact { margin-bottom: 24px; }
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.info-stack { display: grid; gap: 18px; }
.article-block { max-width: 860px; }
.faq-wrap { max-width: 860px; }
.site-footer {
  background: var(--color-dark);
  color: #fff;
  padding: 52px 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(180px, .35fr) minmax(260px, .55fr);
  gap: 34px;
}
.footer-logo { margin-bottom: 12px; }
.site-footer p, .site-footer a { color: rgba(255,255,255,.72); }
.site-footer a { display: block; margin: 8px 0; }
.site-footer h2 { font-size: 1rem; letter-spacing: 0; margin-bottom: 12px; }
.expertos-mark { font-size: .9rem; margin-top: 18px; }