/* Global layout + component styles. All values come from tokens.css. */

/* Prevent the off-canvas mobile drawer's off-screen box from creating a
   horizontal scrollbar. `overflow-x: hidden` on the root propagates to the
   viewport (so it also clips the fixed-position drawer); the y axis computes to
   `auto`, keeping the root the vertical scroll container so the sticky header
   still works. */
html {
  overflow-x: hidden;
}

body {
  background: var(--color-bg);
}

.app-boot {
  padding: var(--space-8) var(--layout-gutter);
  color: var(--color-text-muted);
  text-align: center;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: var(--z-skip-link);
  padding: var(--space-2) var(--space-4);
  background: var(--color-brand);
  color: var(--color-on-brand);
  border-radius: var(--radius-md);
  transform: translateY(-200%);
  transition: transform var(--transition-fast);
}
.skip-link:focus {
  transform: translateY(0);
  text-decoration: none;
}

/* ---------- App shell ---------- */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--layout-content-width);
  margin-inline: auto;
  padding-inline: var(--layout-gutter);
}
.container--narrow {
  max-width: var(--layout-content-width-narrow);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--layout-header-height);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: var(--border-width) solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  width: 100%;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text);
  font-size: var(--font-size-lg);
}
.brand:hover {
  text-decoration: none;
}
.brand__mark {
  width: 1.75rem;
  height: 1.75rem;
}
.brand__tag {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0 0.5em;
}
.header-spacer {
  flex: 1;
}

/* Desktop nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.main-nav__link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  transition:
    color var(--transition-fast),
    background var(--transition-fast);
}
.main-nav__link:hover {
  color: var(--color-text);
  background: var(--color-surface);
  text-decoration: none;
}
.main-nav__link[aria-current="page"] {
  color: var(--color-brand);
  background: color-mix(in srgb, var(--color-brand) 12%, transparent);
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 1.25rem;
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}
.icon-button:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.menu-toggle {
  display: none;
}

/* ---------- Mobile drawer ---------- */
.scrim {
  position: fixed;
  inset: 0;
  z-index: var(--z-scrim);
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-base),
    visibility var(--transition-base);
}
.scrim.is-open {
  opacity: 1;
  visibility: visible;
}
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  z-index: var(--z-drawer);
  height: 100dvh;
  width: min(20rem, 84vw);
  background: var(--color-bg);
  border-left: var(--border-width) solid var(--color-border);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  overflow-y: auto;
}
.mobile-nav.is-open {
  transform: translateX(0);
}
.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  list-style: none;
  padding: 0;
}
.mobile-nav__link {
  display: block;
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}
.mobile-nav__link:hover {
  background: var(--color-surface);
  text-decoration: none;
}
.mobile-nav__link[aria-current="page"] {
  color: var(--color-brand);
  background: color-mix(in srgb, var(--color-brand) 12%, transparent);
}

/* ---------- Main ---------- */
.site-main {
  flex: 1;
  padding-block: var(--space-8);
}
.section {
  padding-block: var(--space-7);
}
.section + .section {
  border-top: var(--border-width) solid var(--color-border);
}
.section__header {
  max-width: 44ch;
  margin-bottom: var(--space-6);
}
.section__eyebrow {
  margin-bottom: var(--space-2);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  border: var(--border-width) solid transparent;
  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
  white-space: nowrap;
}
.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}
.btn--primary {
  background: var(--color-brand);
  color: var(--color-on-brand);
}
.btn--primary:hover {
  background: var(--color-brand-strong);
}
.btn--secondary {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  background: var(--color-surface);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn--ghost:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ---------- Hero ---------- */
.hero {
  padding-block: var(--space-8) var(--space-7);
}
.hero__title {
  margin-block: var(--space-3);
  max-width: 16ch;
}
.hero__lead {
  max-width: 54ch;
  margin-bottom: var(--space-5);
}

/* ---------- Cards & grids ---------- */
.card-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}
.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}
.card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}
.card__icon {
  font-size: 1.75rem;
  line-height: 1;
}
.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}
.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: var(--space-3);
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 0.15em 0.6em;
  border-radius: var(--radius-full);
  border: var(--border-width) solid var(--color-border);
  color: var(--color-text-secondary);
  background: var(--color-surface-2);
}
.badge--available {
  color: var(--color-success);
  border-color: color-mix(in srgb, var(--color-success) 40%, transparent);
  background: color-mix(in srgb, var(--color-success) 12%, transparent);
}
.badge--beta {
  color: var(--color-warning);
  border-color: color-mix(in srgb, var(--color-warning) 40%, transparent);
  background: color-mix(in srgb, var(--color-warning) 12%, transparent);
}
.badge--coming-soon {
  color: var(--color-text-muted);
}

/* Planned / coming-soon callout */
.notice {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: var(--border-width) dashed var(--color-border-strong);
  color: var(--color-text-secondary);
}
.notice__icon {
  flex-shrink: 0;
}

/* External-link affordance */
.external-link__icon {
  display: inline-block;
  margin-left: 0.25em;
  font-size: 0.85em;
  opacity: 0.7;
}

/* ---------- Call to action band ---------- */
.cta-band {
  text-align: center;
  padding: var(--space-8) var(--space-5);
  border-radius: var(--radius-xl);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--color-brand) 16%, var(--color-surface)),
    var(--color-surface)
  );
  border: var(--border-width) solid var(--color-border);
}
.cta-band__title {
  margin-bottom: var(--space-3);
}
.cta-band__text {
  margin-inline: auto;
}
.cta-band .cta-row {
  justify-content: center;
  margin-top: var(--space-5);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: var(--border-width) solid var(--color-border);
  background: var(--color-surface);
  padding-block: var(--space-7) var(--space-6);
}
.footer-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1.5fr repeat(auto-fit, minmax(9rem, 1fr));
}
.footer-col__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
}
.footer-col__list a {
  color: var(--color-text-secondary);
}
.footer-col__list a:hover {
  color: var(--color-text);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: var(--border-width) solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}
.footer-brand p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  max-width: 32ch;
  margin-top: var(--space-2);
}

/* ---------- Page intro ---------- */
.page-intro {
  padding-block: var(--space-6) var(--space-7);
}
.page-intro__title {
  margin-block: var(--space-2);
}

/* ---------- Focus visibility (accessibility) ---------- */
:focus-visible {
  outline: var(--border-width-thick) solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.btn:focus-visible,
.icon-button:focus-visible {
  outline-offset: 3px;
}

/* ---------- Responsive ---------- */
/* The ecosystem nav + mega menus need room; collapse to the mobile drawer below
   64rem so the header row never overflows. */
@media (max-width: 64rem) {
  .main-nav,
  .header-link {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
}
@media (max-width: 48rem) {
  .hero__title {
    max-width: none;
  }
}