/**
 * Components skeleton — AURA (header, buttons, glass, cookies, footer)
 */

/* —— Header glass —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--dm-header-h);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--dm-surface-glass);
  border-bottom: 1px solid var(--dm-outline);
  box-shadow: var(--dm-shadow-glass);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--dm-stack-default);
  height: 100%;
}

.site-title {
  font-size: 1.125rem;
  white-space: nowrap;
}

.primary-navigation {
  flex: 1;
  display: flex;
  justify-content: center;
}

.primary-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-menu a {
  color: var(--dm-on-bg);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--dm-fs-body-sm);
}

.primary-menu a:hover {
  color: var(--dm-primary);
}

.header__ctas {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--dm-outline);
  border-radius: var(--dm-radius-sm);
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--dm-on-bg);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  border-radius: var(--dm-radius-pill);
  font-family: var(--dm-font-body);
  font-weight: 600;
  font-size: var(--dm-fs-label-lg);
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dm-dur-ui) ease, box-shadow var(--dm-dur-ui) ease, background var(--dm-dur-ui) ease;
}

.btn--sm {
  min-height: 40px;
  padding: 0.5rem 1rem;
  font-size: var(--dm-fs-body-sm);
}

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

.btn--primary:hover {
  color: var(--dm-on-primary);
  transform: translateY(-2px);
  filter: brightness(1.06);
}

.btn--secondary {
  color: var(--dm-on-bg);
  background: transparent;
  border-color: rgba(34, 211, 238, 0.35);
}

.btn--secondary:hover {
  color: var(--dm-on-bg);
  background: rgba(34, 211, 238, 0.08);
}

.btn--link {
  min-height: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--dm-primary);
  background: none;
  box-shadow: none;
  font-weight: 500;
}

.btn--link:hover {
  color: var(--dm-primary-hover);
  transform: none;
}

/* —— Glass / cards —— */
.glass-card {
  background: var(--dm-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-radius: var(--dm-radius-glass);
  box-shadow: var(--dm-shadow-glass);
  padding: var(--dm-stack-default);
}

.token-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: var(--dm-radius-pill);
  font-family: var(--dm-font-mono);
  font-size: var(--dm-fs-body-sm);
  font-weight: 600;
  border: 1px solid var(--dm-outline);
}

.token-chip--ibs {
  color: var(--dm-token-ibs);
  border-color: rgba(34, 211, 238, 0.45);
  background: rgba(34, 211, 238, 0.1);
}

.token-chip--pots {
  color: var(--dm-token-pots);
  border-color: rgba(139, 92, 246, 0.45);
  background: rgba(139, 92, 246, 0.1);
}

.token-card-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--dm-stack-default);
  margin-top: var(--dm-stack-default);
}

.token-card--ibs {
  border-left: 3px solid var(--dm-token-ibs);
}

.token-card--pots {
  border-left: 3px solid var(--dm-token-pots);
}

.badge-trust {
  display: inline-flex;
  padding: 0.35rem 0.75rem;
  border-radius: var(--dm-radius-pill);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: var(--dm-tertiary);
  font-size: var(--dm-fs-label-sm);
  font-weight: 600;
}

/* —— Hero shell —— */
.hero__grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--dm-stack-loose);
  align-items: center;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: var(--dm-stack-tight);
}

.hero__visual {
  position: relative;
  min-height: 320px;
  border-radius: var(--dm-radius-xl);
  background: radial-gradient(circle at 50% 40%, rgba(34, 211, 238, 0.12), transparent 55%),
    radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.14), transparent 50%),
    var(--dm-surface-low);
  border: 1px solid var(--dm-outline);
  overflow: hidden;
  margin-bottom: -80px; /* overlap hook for tr-hero-to-about */
  z-index: 2;
}

.hero-three__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-three__fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 1;
}

/* —— Footer —— */
.site-footer {
  background: var(--dm-surface-lowest);
  border-top: 1px solid var(--dm-outline-variant);
  padding-block: var(--dm-stack-loose) var(--dm-stack-default);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--dm-stack-default);
}

.footer-col__title {
  font-family: var(--dm-font-display);
  font-size: var(--dm-fs-label-lg);
  font-weight: 600;
  margin: 0 0 var(--dm-stack-tight);
  color: var(--dm-on-bg);
}

.footer-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-menu a {
  color: var(--dm-on-bg-muted);
  text-decoration: none;
  font-size: var(--dm-fs-body-sm);
}

.footer-menu a:hover {
  color: var(--dm-primary);
}

.footer-nap,
.footer-micro,
.footer-copy {
  color: var(--dm-on-bg-muted);
  font-size: var(--dm-fs-body-sm);
}

.footer-bottom {
  margin-top: var(--dm-stack-loose);
  padding-top: var(--dm-stack-default);
  border-top: 1px solid var(--dm-outline-variant);
}

/* —— Cookie banner —— */
.cookie-banner {
  position: fixed;
  inset-inline: var(--dm-gutter);
  bottom: var(--dm-gutter);
  z-index: 10050;
  max-width: 720px;
  margin-inline: auto;
  left: 0;
  right: 0;
}

.cookie-banner__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--dm-stack-default);
  padding: var(--dm-stack-default);
  background: var(--dm-surface-high);
  border: 1px solid var(--dm-outline);
  border-radius: var(--dm-radius-lg);
  box-shadow: var(--dm-shadow-card);
}

.cookie-banner__text {
  flex: 1 1 280px;
  margin: 0;
  font-size: var(--dm-fs-body-sm);
  color: var(--dm-on-bg-muted);
}

.cookie-banner__text a {
  color: var(--dm-primary);
}

.cookie-banner[hidden] {
  display: none !important;
}

/* —— Sticky mobile CTA —— */
.sticky-cta {
  position: fixed;
  inset-inline: var(--dm-gutter);
  bottom: var(--dm-gutter);
  z-index: 900;
  display: none;
  gap: 0.5rem;
  justify-content: stretch;
  padding: 0.5rem;
  background: var(--dm-surface-high);
  border: 1px solid var(--dm-outline);
  border-radius: var(--dm-radius-pill);
  box-shadow: var(--dm-shadow-card);
}

.sticky-cta .btn {
  flex: 1;
}

.sticky-cta[hidden] {
  display: none !important;
}

/* —— Blog / legal —— */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--dm-stack-default);
}

.blog-card {
  transition: transform var(--dm-dur-ui) ease;
}

.blog-card:hover {
  transform: translateY(-4px);
}

.legal-doc h2 {
  margin-top: var(--dm-stack-loose);
}

.blog-topic-anchors {
  list-style: none;
  padding: 0;
}

.blog-topic-anchors li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--dm-outline-variant);
}

/* —— Forms shell —— */
.search-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: var(--dm-stack-default);
}

.search-field,
input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem;
  border-radius: var(--dm-radius-md);
  border: 1px solid var(--dm-outline-variant);
  background: var(--dm-surface-low);
  color: var(--dm-on-bg);
  font-family: var(--dm-font-body);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__grid {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    min-height: 260px;
    margin-bottom: -40px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .primary-navigation {
    display: none;
    position: absolute;
    top: var(--dm-header-h);
    left: 0;
    right: 0;
    background: var(--dm-surface-high);
    padding: var(--dm-stack-default);
    border-bottom: 1px solid var(--dm-outline);
  }

  .primary-navigation.is-open {
    display: block;
  }

  .primary-menu {
    flex-direction: column;
  }

  .header__ctas {
    display: none;
  }

  .sticky-cta:not([hidden]) {
    display: flex;
  }

  .token-card-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero__cta .btn {
    width: 100%;
  }
}