/* Site header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  /* Anchor mobile dropdown nav */
  isolation: isolate;
  border-bottom: 1px solid var(--color-card-border);
  background: var(--color-nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 64px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-text);
  text-decoration: none;
}

.site-logo:hover {
  text-decoration: none;
  opacity: 0.92;
}

.site-logo__mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-default);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font: var(--text-label-md);
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-text);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin-inline: auto;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-md) var(--container-padding);
    background: var(--color-surface-container);
    border-bottom: 1px solid var(--color-card-border);
    display: none;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-card-border);
  }

  .site-nav li:last-child a {
    border-bottom: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 16px 28px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.25;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn--primary {
  color: var(--color-on-primary);
  background: var(--gradient-cta);
  box-shadow: var(--shadow-card);
}

@media (prefers-color-scheme: light) {
  .btn--primary {
    color: #ffffff;
  }
}

.btn--secondary {
  color: var(--color-primary);
  background: transparent;
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
  background: rgba(208, 188, 255, 0.08);
}

.btn--store {
  min-width: 200px;
  padding: 14px 24px;
  background: var(--color-surface-container-high);
  color: var(--color-text);
  border: 1px solid var(--color-card-border);
}

.btn--store:hover {
  border-color: var(--color-outline);
  background: var(--color-surface-container-highest);
}

.btn--store svg {
  flex-shrink: 0;
}

/* Cards */
.card {
  padding: var(--space-lg);
  background: var(--color-surface-container);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
  border-radius: var(--radius-md);
  background: var(--color-surface-container-high);
}

.card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.card p {
  font: var(--text-body-md);
  margin: 0;
}

/* Footer */
.site-footer {
  margin-top: auto;
  padding: var(--space-2xl) 0 var(--space-xl);
  border-top: 1px solid var(--color-card-border);
  background: var(--color-surface-container-low);
}

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

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

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__links a {
  font: var(--text-label-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-footer__copy {
  font: var(--text-label-sm);
  color: var(--color-outline);
  margin: 0;
}