/* =============================================================
   COMPONENTS — every reusable block on the site.
   Each block is self-contained and reads semantic tokens only,
   so it works unchanged inside a `.invert` section.
   ============================================================= */

/* -------------------------------------------------------------
   Icon sprite host — the <svg> holding every <symbol>.
   Kept out of the flow; icons are drawn via <use href="#i-*">.
   ------------------------------------------------------------- */
.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* -------------------------------------------------------------
   Buttons
   ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: 0.75em 1.4em;
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background-color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease),
    box-shadow var(--dur-base) var(--ease);
}
.btn:hover { transform: translateY(calc(var(--lift) * -0.5)); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-accent-contrast);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-accent-contrast);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background-color: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-heading);
}
.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
}

.btn--quiet {
  background-color: transparent;
  color: var(--color-heading);
  padding-inline: var(--space-2xs);
}
.btn--quiet:hover { color: var(--color-accent); }

.btn--lg {
  font-size: var(--text-base);
  padding: 0.85em 1.7em;
}

.btn__icon {
  width: 1em;
  height: 1em;
  flex: none;
  transition: transform var(--dur-base) var(--ease);
}
.btn:hover .btn__icon { transform: translateX(var(--lift)); }

/* -------------------------------------------------------------
   Eyebrow / pill / chip
   ------------------------------------------------------------- */
.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-accent);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: 0.4em 0.9em;
  border-radius: var(--radius-full);
  border: var(--border-width) solid var(--color-border);
  background-color: var(--color-accent-soft);
  color: var(--color-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
}

.pill__dot {
  width: 0.45em;
  height: 0.45em;
  border-radius: var(--radius-full);
  background-color: var(--color-accent);
  flex: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: 0.6em 1em;
  border-radius: var(--radius-full);
  border: var(--border-width) solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition:
    border-color var(--dur-fast) var(--ease),
    background-color var(--dur-fast) var(--ease);
}
.chip:hover {
  border-color: var(--color-accent);
  background-color: var(--color-accent-soft);
}
.chip svg {
  width: 1.1em;
  height: 1.1em;
  color: var(--color-accent);
  flex: none;
}

/* -------------------------------------------------------------
   Site header
   ------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(var(--blur-header));
  border-bottom: var(--border-width) solid transparent;
  transition:
    border-color var(--dur-base) var(--ease),
    box-shadow var(--dur-base) var(--ease);
}
.site-header.is-stuck {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

/* Brand ------------------------------------------------------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  color: var(--color-heading);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-md);
  letter-spacing: var(--tracking-tight);
}
.brand:hover { color: var(--color-heading); }

.brand__mark {
  width: 2rem;
  height: 2rem;
  flex: none;
  color: var(--color-accent);
}

.brand__name span { color: var(--color-accent); }

/* Nav --------------------------------------------------------- */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__list li { margin: 0; }

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  text-decoration: none;
}
.nav__link:hover,
.nav__link[aria-current="true"] { color: var(--color-accent); }

.nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: transparent;
  cursor: pointer;
}
.nav__toggle svg { width: 1.25rem; height: 1.25rem; }
.nav__toggle .icon-close { display: none; }
.nav__toggle[aria-expanded="true"] .icon-close { display: block; }
.nav__toggle[aria-expanded="true"] .icon-open { display: none; }

@media (max-width: 56rem) {
  .nav__toggle { display: inline-flex; }

  .nav {
    position: absolute;
    inset-inline: var(--container-pad);
    top: calc(var(--header-height) - var(--space-2xs));
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
    padding: var(--space-md);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav[data-open="true"] { display: flex; }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xs);
  }
  .nav__link { font-size: var(--text-base); }
  .nav .btn { width: 100%; }
}

/* -------------------------------------------------------------
   Hero
   ------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 7vw, 6rem) clamp(4rem, 9vw, 7rem);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  color: var(--color-accent);
  opacity: 0.5;
}
.hero__bg svg { width: 100%; height: 100%; }

.hero .container { position: relative; z-index: var(--z-base); }

.hero__copy > * + * { margin-top: var(--space-md); }

.hero__title { max-width: 14ch; }
.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero__lead {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  max-width: 52ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding-top: var(--space-2xs);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  padding-top: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  list-style: none;
  padding-left: 0;
}
.hero__meta li {
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3xs);
}
.hero__meta svg {
  width: 1em;
  height: 1em;
  color: var(--color-accent);
  flex: none;
}

/* Hero visual — mock booking panel --------------------------- */
.hero__visual { position: relative; }

.mock {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.mock__bar {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-2xs) var(--space-sm);
  background-color: var(--color-surface-sunken);
  border-bottom: var(--border-width) solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}
.mock__dots {
  display: flex;
  gap: var(--space-3xs);
}
.mock__dots i {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-full);
  background-color: var(--color-border-strong);
}

.mock__map {
  position: relative;
  aspect-ratio: 16 / 10;
  background-color: var(--color-accent-soft);
}
.mock__map svg { width: 100%; height: 100%; }

.mock__body { padding: var(--space-sm); }

.mock__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: var(--space-2xs);
}
.mock__row + .mock__row { border-top: var(--border-width) solid var(--color-border); }

.mock__label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
}
.mock__value {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-heading);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3xs);
  padding: 0.25em 0.7em;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  background-color: color-mix(in srgb, var(--color-success) 14%, transparent);
  color: var(--color-success);
}
.status::before {
  content: "";
  width: 0.45em;
  height: 0.45em;
  border-radius: var(--radius-full);
  background-color: currentColor;
}

/* -------------------------------------------------------------
   Cards
   ------------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding: var(--space-md);
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--dur-base) var(--ease),
    box-shadow var(--dur-base) var(--ease),
    transform var(--dur-base) var(--ease);
}
.card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(calc(var(--lift) * -1));
}

.card__icon {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  margin-bottom: var(--space-2xs);
}
.card__icon svg { width: 1.35rem; height: 1.35rem; }

.card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Panel — larger card used for the two audience blocks -------- */
.panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  height: 100%;
}

.panel__head {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.panel__head .card__icon { margin-bottom: 0; }

.panel__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2xs);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.panel__list li {
  display: flex;
  gap: var(--space-2xs);
  align-items: flex-start;
  margin: 0;
}
.panel__list svg {
  width: 1.05em;
  height: 1.05em;
  margin-top: 0.3em;
  flex: none;
  color: var(--color-accent);
}

/* -------------------------------------------------------------
   Steps (the user journey)
   ------------------------------------------------------------- */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--grid-gap);
  grid-template-columns: repeat(auto-fit, minmax(min(18rem, 100%), 1fr));
  counter-reset: step;
}

.step {
  position: relative;
  margin: 0;
  padding: var(--space-md);
  padding-top: var(--space-lg);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  counter-increment: step;
}

.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: var(--space-sm);
  left: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-caps);
  color: var(--color-accent);
}

.step h3 { margin-bottom: var(--space-3xs); }
.step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* -------------------------------------------------------------
   Metric list (dashboard section)
   ------------------------------------------------------------- */
.metrics {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2xs);
}
.metrics li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  margin: 0;
  padding-block: var(--space-2xs);
  border-bottom: var(--border-width) solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.metrics li:last-child { border-bottom: 0; }
.metrics b {
  color: var(--color-heading);
  font-weight: var(--weight-semibold);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
}

/* -------------------------------------------------------------
   Domain / architecture cards
   ------------------------------------------------------------- */
.domain {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: var(--border-width) solid var(--color-border);
  background-color: var(--color-surface);
}
.domain code {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  word-break: break-word;
}
.domain h3 { font-size: var(--text-base); }
.domain p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* -------------------------------------------------------------
   CTA band
   ------------------------------------------------------------- */
.cta {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 6vw, 3.5rem);
  text-align: center;
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
}
.cta > * + * { margin-top: var(--space-sm); }
.cta p {
  margin-inline: auto;
  max-width: 52ch;
  color: var(--color-text-muted);
  font-size: var(--text-md);
}
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  justify-content: center;
}

/* -------------------------------------------------------------
   Footer
   ------------------------------------------------------------- */
.site-footer {
  padding-block: var(--space-xl) var(--space-lg);
  background-color: var(--color-bg);
  color: var(--color-text);
  border-top: var(--border-width) solid var(--color-border);
}

.site-footer__grid {
  display: grid;
  gap: var(--grid-gap);
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
}
@media (max-width: 56rem) {
  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 34rem) {
  .site-footer__grid { grid-template-columns: minmax(0, 1fr); }
}

.site-footer h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--color-text-faint);
  margin-bottom: var(--space-2xs);
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-3xs);
  font-size: var(--text-sm);
}
.site-footer li { margin: 0; }
.site-footer a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.site-footer a:hover { color: var(--color-accent); }

.site-footer__about p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 34ch;
  margin-top: var(--space-2xs);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: var(--border-width) solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* -------------------------------------------------------------
   Error page
   ------------------------------------------------------------- */
.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
}
.error-page__code {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  color: var(--color-accent);
}