.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  min-height: var(--header-height);
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-surface) 92%, transparent);
  color: var(--color-text);
  backdrop-filter: blur(1rem) saturate(130%);
  transition: background var(--duration-medium) ease, box-shadow var(--duration-medium) ease;
}

.page-home .site-header {
  position: absolute;
  inset: 0 0 auto;
  border-bottom-color: rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(4, 10, 15, 0.8), rgba(4, 10, 15, 0.12));
  color: var(--color-on-dark);
  backdrop-filter: none;
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  flex-direction: column;
  gap: 0.15rem;
  color: inherit;
  text-decoration: none;
}

.brand__wordmark {
  position: relative;
  width: max-content;
  font-size: clamp(1.35rem, 1.1rem + 0.6vw, 1.9rem);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.055em;
  line-height: 1;
}

.brand__wordmark::after {
  content: "";
  display: block;
  width: 2.45rem;
  height: 0.13rem;
  margin-top: 0.45rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.brand__tagline {
  color: currentColor;
  font-size: 0.56rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.19em;
  line-height: 1.3;
  opacity: 0.7;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 1.6vw, 1.65rem);
}

.site-nav__link {
  position: relative;
  padding-block: 1.85rem;
  color: inherit;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  opacity: 0.82;
  transition: opacity var(--duration-fast) ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  inset: auto 0 1.15rem;
  height: 0.13rem;
  transform: scaleX(0);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  transition: transform var(--duration-fast) var(--ease-standard);
}

.site-nav__link:hover,
.site-nav__link.is-active {
  opacity: 1;
}

.site-nav__link:hover::after,
.site-nav__link.is-active::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.74rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform var(--duration-fast) var(--ease-standard), background var(--duration-fast) ease, border-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.button:hover {
  transform: translateY(-0.12rem);
}

.button--primary,
.button--nav {
  background: var(--color-accent);
  color: #07131b;
}

.button--primary:hover,
.button--nav:hover {
  background: var(--color-accent-hover);
  color: #ffffff;
}

.page-home .button--nav {
  background: #d8efff;
  color: #091721;
}

.button--secondary {
  border-color: var(--color-border-strong);
  background: transparent;
  color: var(--color-text);
}

.button--secondary:hover {
  border-color: var(--color-accent-strong);
  color: var(--color-accent-strong);
}

.button--on-dark {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--color-on-dark);
}

.button--on-dark:hover {
  border-color: var(--color-accent);
  background: rgba(124, 198, 245, 0.12);
  color: var(--color-on-dark);
}

.icon-button {
  display: inline-grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.icon-button:hover {
  border-color: currentColor;
}

.theme-toggle svg {
  width: 1.2rem;
  height: 1.2rem;
}

[data-theme="light"] .theme-toggle__sun,
[data-theme="dark"] .theme-toggle__moon {
  display: none;
}

.menu-toggle {
  display: none;
}

.menu-toggle__lines,
.menu-toggle__lines::before,
.menu-toggle__lines::after {
  display: block;
  width: 1.35rem;
  height: 0.12rem;
  border-radius: var(--radius-pill);
  background: currentColor;
}

.menu-toggle__lines {
  position: relative;
}

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

.menu-toggle__lines::before { top: -0.42rem; }
.menu-toggle__lines::after { top: 0.42rem; }

.feature-grid,
.card-grid,
.value-grid {
  display: grid;
  gap: var(--space-6);
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-item {
  position: relative;
  min-width: 0;
  padding: var(--space-8) var(--space-6);
  text-align: center;
}

.feature-item:not(:last-child)::after {
  content: "";
  position: absolute;
  inset: 18% 0 18% auto;
  width: 1px;
  background: var(--color-border);
}

.feature-item__icon,
.icon-tile {
  display: grid;
  place-items: center;
  margin-inline: auto;
  color: var(--color-text);
}

.feature-item__icon {
  width: 3rem;
  height: 3rem;
  margin-bottom: var(--space-3);
}

.feature-item__icon svg {
  width: 2rem;
  height: 2rem;
}

.feature-item h3 {
  margin-bottom: var(--space-2);
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.feature-item p {
  max-width: 14rem;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.45;
}

.card {
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-medium) var(--ease-standard), border-color var(--duration-medium) ease, box-shadow var(--duration-medium) ease;
}

.card:hover {
  transform: translateY(-0.25rem);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

.card h3 {
  margin-bottom: var(--space-3);
}

.card p:last-child {
  margin-bottom: 0;
}

.card__link {
  display: inline-flex;
  margin-top: var(--space-3);
  color: var(--color-accent-strong);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.tag,
.status-panel__label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 1.75rem;
  padding: 0.28rem 0.68rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.status-panel {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-left: 0.25rem solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}

.status-panel p {
  margin: var(--space-3) 0 0;
}

.site-footer {
  padding-top: var(--space-16);
  background: #08131b;
  color: var(--color-on-dark);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr auto;
  align-items: start;
  gap: var(--space-12);
}

.brand--footer {
  color: var(--color-on-dark);
}

.site-footer__country {
  margin: var(--space-4) 0 0;
  color: var(--color-on-dark-muted);
  font-size: var(--text-sm);
}

.site-footer__country span {
  margin-left: 0.3rem;
  color: var(--color-error);
  font-size: 0.62em;
}

.site-footer__nav,
.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
}

.site-footer__nav a,
.site-footer__legal a {
  color: var(--color-on-dark-muted);
  font-size: var(--text-sm);
  text-decoration: none;
}

.site-footer__nav a:hover,
.site-footer__legal a:hover {
  color: var(--color-accent);
}

.site-footer__base {
  display: flex;
  justify-content: space-between;
  gap: var(--space-6);
  margin-top: var(--space-12);
  padding-block: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer__base p {
  margin: 0;
  color: #8497a4;
  font-size: var(--text-xs);
}

.legal-notice {
  margin-bottom: var(--space-10);
  padding: var(--space-6);
  border: 1px solid color-mix(in srgb, var(--color-warning) 48%, var(--color-border));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-warning) 10%, var(--color-surface));
}

.legal-notice strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.legal-notice p {
  margin: 0;
}

.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-list details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.faq-list summary {
  padding: var(--space-5) var(--space-6);
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
}

.faq-list details p {
  padding: 0 var(--space-6) var(--space-6);
  margin: 0;
}