:root {
  --site-bg: #081220;
  --site-surface: #0d1727;
  --site-surface-strong: #12243d;
  --site-text: #e2e8f0;
  --site-text-soft: #94a3b8;
  --site-border: rgba(148, 163, 184, 0.2);
  --site-accent: #7dd3fc;
  --site-accent-strong: #5eead4;
  --site-shadow: 0 20px 48px rgba(15, 23, 42, 0.4);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--site-bg);
  color: var(--site-text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
}

main {
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.site-shell {
  position: relative;
}

.site-surface-card {
  border: 1px solid var(--site-border);
  border-radius: 1.25rem;
  background: rgba(15, 23, 42, 0.7);
  box-shadow: var(--site-shadow);
}

.site-section {
  position: relative;
  overflow: hidden;
}

.site-section + .site-section {
  border-top: 1px solid var(--site-border);
}

.site-nav {
  display: none;
}

.site-nav.is-open {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  position: absolute;
  top: 72px;
  right: 1rem;
  left: 1rem;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.98);
  border: 1px solid var(--site-border);
  border-radius: 1rem;
  box-shadow: var(--site-shadow);
  z-index: 60;
}

@media (min-width: 1024px) {
  .site-nav {
    display: flex !important;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
    background: transparent;
    border: 0;
    padding: 0;
    box-shadow: none;
  }

  .site-nav.is-open {
    display: flex !important;
    position: static;
    gap: 0.25rem;
    padding: 0;
    border: 0;
    box-shadow: none;
  }
}

.site-nav a {
  width: 100%;
}

@media (min-width: 1024px) {
  .site-nav a {
    width: auto;
  }
}

.js-nav-toggle[aria-expanded="true"] {
  background: rgba(255, 255, 255, 0.1);
}

.site-link-cta {
  transition: transform 0.2s ease, filter 0.2s ease;
}

.site-link-cta:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.iso-certificate-details {
  display: grid;
  gap: 0.65rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: #475569;
}

.iso-certificate-details > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
}

.iso-certificate-details dt {
  font-weight: 600;
  color: #0f172a;
}

.iso-certificate-details dd {
  margin: 0;
}

.iso-certificate-view {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  margin-top: 1.5rem;
  padding: 0.65rem 1rem;
  border: 1px solid currentColor;
  border-radius: 0.5rem;
  color: #0369a1;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
}

.iso-certificate-view:hover {
  background: #e0f2fe;
}

.iso-certificate-view:focus-visible {
  outline: 3px solid #0284c7;
  outline-offset: 3px;
}

.iso-certificate-view svg {
  flex-shrink: 0;
}