/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.48);
  border-bottom: 1px solid rgba(225, 228, 232, 0.48);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  height: var(--header-height);
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    backdrop-filter var(--transition-base),
    -webkit-backdrop-filter var(--transition-base),
    box-shadow var(--transition-base);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-header__logo {
  display: flex;
  align-items: center;
  height: 48px;
}

.site-header__logo img {
  height: 100%;
  width: auto;
}

.site-header__nav {
  display: none;
}

.site-header__nav.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(225, 228, 232, 0.88);
  padding: var(--space-lg) var(--container-padding);
  gap: var(--space-md);
  box-shadow: var(--shadow-md);
}

.site-header__nav a {
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-sm) 0;
  transition: color var(--transition-fast);
}

.site-header__nav a:hover,
.site-header__nav a.is-current {
  color: var(--color-blue);
}

.site-header__hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text);
}

.site-header__hamburger svg {
  width: 24px;
  height: 24px;
}

.site-header--hero {
  background-color: transparent;
  border-bottom-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
}

.site-header--hero.is-scrolled {
  background-color: rgba(255, 255, 255, 0.48);
  border-bottom-color: rgba(225, 228, 232, 0.48);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

@media (min-width: 768px) {
  .site-header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    position: static;
    box-shadow: none;
    border-bottom: none;
    padding: 0;
  }

  .site-header__hamburger {
    display: none;
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header {
    background-color: rgba(255, 255, 255, 0.84);
  }

  .site-header--hero {
    background-color: transparent;
  }

  .site-header--hero.is-scrolled {
    background-color: rgba(255, 255, 255, 0.84);
  }
}

/* Footer */
.site-footer {
  background-color: var(--color-bg-alt);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-4xl);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.site-footer__logo {
  height: 28px;
}

.site-footer__logo img {
  height: 100%;
  width: auto;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
}

.site-footer__nav a {
  color: var(--color-text-sub);
  font-size: var(--text-sm);
}

.site-footer__nav a:hover {
  color: var(--color-text);
}

@media (min-width: 768px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .site-footer__nav {
    gap: var(--space-xl);
  }
}

/* Page hero */
.page-hero {
  padding: var(--space-3xl) 0;
  text-align: center;
}

.page-hero h1 {
  margin-bottom: var(--space-md);
}

.page-hero p {
  color: var(--color-text-sub);
  font-size: var(--text-lg);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* Section */
.section {
  padding: var(--space-3xl) 0;
}

.section[id],
.page-hero[id] {
  scroll-margin-top: calc(var(--header-height) + var(--space-xl));
}

.section--alt {
  background-color: var(--color-bg-alt);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.02'/%3E%3C/svg%3E");
}

.section__title {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__title p {
  color: var(--color-text-sub);
  margin-top: var(--space-sm);
}

.section__label {
  display: block;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-blue);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

@media (max-width: 767px) {
  .page-hero p,
  .section__title p {
    font-size: var(--text-sm);
  }
}

@media (min-width: 1024px) {
  .page-hero {
    padding: var(--space-4xl) 0;
  }

  .section {
    padding: var(--space-4xl) 0;
  }
}