/* ==========================================================================
   components.css — buttons, cards, forms, tables, tabs, badges, metrics
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Buttons
   One primary CTA per viewport — the white/gilded fill is a scarce resource.
   All controls clear the 44px minimum touch target.
   -------------------------------------------------------------------------- */

.btn {
  --btn-fg: var(--fg-strong);
  --btn-bg: transparent;
  --btn-border: transparent;

  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.6875rem 1.375rem;
  border: 1px solid var(--btn-border);
  border-radius: var(--radius-buttons);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: var(--fs-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: -0.013em;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  touch-action: manipulation;
  overflow: hidden;
  isolation: isolate;
  transition: color var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              scale var(--dur-fast) var(--ease-out);
}

.btn:active { scale: 0.975; }

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.42;
  cursor: not-allowed;
  pointer-events: none;
}

/* --- Primary: the gilded fill ------------------------------------------- */

.btn--primary {
  --btn-fg: #08080a;
  --btn-bg: var(--gold-bright);
  --btn-border: var(--gold-bright);
  font-weight: var(--font-weight-semibold);
}

/* A gilded sheen that sweeps on hover — pure transform, no layout cost. */
.btn--primary::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  background: linear-gradient(100deg,
    #ae9357 0%, #fff0cc 42%, #d8bd7e 58%, #ae9357 100%);
  background-size: 260% 100%;
  background-position: 100% 0;
  transition: background-position 620ms var(--ease-out);
}

.btn--primary:hover::before,
.btn--primary:focus-visible::before { background-position: 0 0; }

/* --- Ghost outline ------------------------------------------------------ */

.btn--ghost {
  --btn-border: var(--line-strong);
  --btn-fg: var(--fg);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  --btn-border: var(--line-gold-strong);
  --btn-fg: var(--gold-bright);
}

/* --- Quiet text button -------------------------------------------------- */

.btn--quiet {
  --btn-fg: var(--fg-subtle);
  padding-inline: 0.75rem;
}

.btn--quiet:hover { --btn-fg: var(--gold-bright); }

.btn--lg {
  min-height: 52px;
  padding: 0.9rem 1.75rem;
  font-size: 0.9375rem;
}

.btn--block { width: 100%; }

/* Arrow that slides on hover. */
.btn__arrow {
  flex: 0 0 auto;
  transition: translate var(--dur) var(--ease-out);
}

.btn:hover .btn__arrow,
.btn:focus-visible .btn__arrow { translate: 3px 0; }

/* --- Inline editorial link ---------------------------------------------- */

.link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}

.link:hover,
.link:focus-visible { background-size: 100% 1px; color: var(--gold-bright); }

/* --------------------------------------------------------------------------
   2. Cards
   Elevation comes from surface steps and hairlines, never drop shadows.
   -------------------------------------------------------------------------- */

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: var(--card-padding);
  border: 1px solid var(--line);
  border-radius: var(--radius-cards);
  background: var(--bg-card);
  overflow: hidden;
  transition: border-color var(--dur-slow) var(--ease-out),
              background var(--dur-slow) var(--ease-out),
              translate var(--dur-slow) var(--ease-out);
}

.card--pad-lg { padding: clamp(1.5rem, 1rem + 1.6vw, 2.25rem); }
.card--panel { background: var(--bg-panel); }
.card--bare { background: transparent; border-color: transparent; padding-inline: 0; }

/* Spotlight: a gilded pool of light that follows the cursor across the card.
   Driven by --mx/--my set in JS; degrades to a static top-edge glow. */
.card--spot::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  background: radial-gradient(
    340px circle at var(--mx, 50%) var(--my, 0%),
    rgba(174, 147, 87, 0.13),
    transparent 68%
  );
  transition: opacity var(--dur-slow) var(--ease-out);
  pointer-events: none;
}

.card--spot:hover::before,
.card--spot:focus-within::before { opacity: 1; }

.card--interactive { cursor: pointer; }

.card--interactive:hover,
.card--interactive:focus-within {
  border-color: var(--line-gold);
  translate: 0 -3px;
}

.card__index {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.18em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.card__title {
  font-family: var(--font-inter);
  font-size: 1.0625rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: -0.02em;
  color: var(--fg-strong);
  line-height: 1.35;
}

.card__body {
  font-size: var(--fs-sm);
  line-height: 1.62;
  color: var(--fg-subtle);
}

.card__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-icons);
  color: var(--gold-bright);
  flex: 0 0 auto;
  transition: border-color var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out);
}

.card:hover .card__icon {
  border-color: var(--line-gold-strong);
  box-shadow: 0 0 0 4px rgba(174, 147, 87, 0.07);
}

.card__icon svg { width: 20px; height: 20px; }

/* Top hairline that draws in on hover. */
.card--ruled::after {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  height: 1px;
  width: 100%;
  background: var(--gilded);
  scale: 0 1;
  transform-origin: left center;
  transition: scale var(--dur-slow) var(--ease-out);
}

.card--ruled:hover::after,
.card--ruled:focus-within::after { scale: 1 1; }

/* --------------------------------------------------------------------------
   3. Badges, tags, pills
   -------------------------------------------------------------------------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.34rem 0.7rem;
  border: 1px solid var(--color-steel);
  border-radius: var(--radius-tags);
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.01em;
  color: var(--fg-muted);
  line-height: 1;
  white-space: nowrap;
}

.tag--gold { border-color: var(--line-gold); color: var(--gold-bright); }
.tag--dot::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex: 0 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-tags);
  border: 1px solid currentColor;
  font-size: 0.6875rem;
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.badge--active   { color: var(--positive); }
.badge--watch    { color: var(--accent); }
.badge--critical { color: var(--danger); }
.badge--neutral  { color: var(--fg-subtle); }

/* Live status dot with a slow pulse. */
.status-dot {
  position: relative;
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--positive);
  flex: 0 0 auto;
}

.status-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid currentColor;
  color: var(--positive);
  opacity: 0;
  animation: pulse-ring 2.6s var(--ease-out) infinite;
}

@keyframes pulse-ring {
  0%   { opacity: 0.55; scale: 0.6; }
  70%  { opacity: 0;    scale: 1.5; }
  100% { opacity: 0;    scale: 1.5; }
}

/* --------------------------------------------------------------------------
   4. Metrics
   -------------------------------------------------------------------------- */

.metric { display: grid; gap: 0.5rem; }

.metric__value {
  font-family: var(--font-ivy-presto);
  font-size: clamp(2.25rem, 1.4rem + 3vw, 3.25rem);
  font-weight: var(--font-weight-regular);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--fg-strong);
}

.metric__value .unit { color: var(--gold); }

.metric__label {
  font-size: var(--fs-sm);
  color: var(--fg-subtle);
  line-height: 1.5;
}

.metric__rule {
  height: 1px;
  background: var(--line);
  margin-block: 0.35rem;
}

/* --------------------------------------------------------------------------
   5. Definition rows — the "ledger" list used across capability pages
   -------------------------------------------------------------------------- */

.ledger { border-top: 1px solid var(--line); }

.ledger__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem 1.25rem;
  align-items: start;
  padding: 1.15rem 0.25rem;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease-out), padding-left var(--dur) var(--ease-out);
}

@media (min-width: 860px) {
  .ledger__row {
    grid-template-columns: 3.5rem minmax(0, 20ch) minmax(0, 1fr);
    align-items: baseline;
  }
}

.ledger__row:hover {
  background: rgba(174, 147, 87, 0.035);
  padding-left: 0.75rem;
}

.ledger__index {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.14em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  padding-top: 0.25rem;
}

.ledger__term {
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: -0.018em;
  color: var(--fg-strong);
}

.ledger__desc {
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--fg-subtle);
  grid-column: 1 / -1;
}

@media (min-width: 860px) {
  .ledger__desc { grid-column: auto; }
}

/* --------------------------------------------------------------------------
   6. Tabs
   -------------------------------------------------------------------------- */

.tabs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 0.25rem;
  -webkit-overflow-scrolling: touch;
}

.tabs::-webkit-scrollbar { display: none; }

.tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-tags);
  background: transparent;
  color: var(--fg-subtle);
  font-size: var(--fs-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  transition: color var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out);
}

.tab:hover { color: var(--fg); border-color: var(--line-strong); }

.tab[aria-selected="true"],
.tab[aria-pressed="true"] {
  color: var(--gold-light);
  border-color: var(--line-gold-strong);
  background: rgba(174, 147, 87, 0.09);
}

.tab__num {
  font-size: 0.6875rem;
  font-variant-numeric: tabular-nums;
  opacity: 0.7;
}

.tabpanel[hidden] { display: none; }

/* --------------------------------------------------------------------------
   7. Accordion / disclosure
   -------------------------------------------------------------------------- */

.disclosure {
  border-bottom: 1px solid var(--line);
}

.disclosure__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  min-height: 64px;
  padding: 1.15rem 0.25rem;
  text-align: left;
  cursor: pointer;
  color: var(--fg-strong);
  font-size: 1.0625rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: -0.02em;
  transition: color var(--dur) var(--ease-out);
}

.disclosure__summary:hover { color: var(--gold-bright); }

.disclosure__sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  color: var(--gold);
}

.disclosure__sign::before,
.disclosure__sign::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto;
  height: 1px;
  background: currentColor;
  transition: rotate var(--dur-slow) var(--ease-out), opacity var(--dur) var(--ease-out);
}

.disclosure__sign::after { rotate: 90deg; }

.disclosure__summary[aria-expanded="true"] .disclosure__sign::after {
  rotate: 0deg;
  opacity: 0;
}

.disclosure__panel {
  overflow: hidden;
  height: 0;
}

.disclosure__inner {
  padding: 0 0.25rem 1.5rem;
  font-size: var(--fs-sm);
  line-height: 1.68;
  color: var(--fg-subtle);
  max-width: 72ch;
}

/* --------------------------------------------------------------------------
   8. Forms
   -------------------------------------------------------------------------- */

.field { display: grid; gap: 0.4rem; }

.field__label {
  font-size: var(--fs-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-subtle);
}

.field__required { color: var(--accent); margin-left: 0.15rem; }

.field__control {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1.15rem;
  background: rgba(18, 19, 23, 0.6);
  border: 1px solid var(--line-control);
  border-radius: var(--radius-inputs);
  color: var(--fg-strong);
  font-size: var(--fs-body);
  transition: border-color var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out);
}

textarea.field__control {
  min-height: 132px;
  border-radius: var(--radius-lg);
  resize: vertical;
  line-height: 1.6;
}

select.field__control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%23ae9357' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.15rem center;
  padding-right: 2.75rem;
  cursor: pointer;
}

.field__control::placeholder { color: var(--fg-placeholder); }

.field__control:hover { border-color: var(--color-smoke); }

.field__control:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(18, 19, 23, 0.9);
  box-shadow: 0 0 0 3px rgba(174, 147, 87, 0.14);
}

.field__control:focus-visible { outline: none; }

.field__help {
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--fg-faint);
}

.field__error {
  display: none;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-xs);
  color: var(--danger);
  line-height: 1.5;
}

.field.is-invalid .field__error { display: flex; }
.field.is-invalid .field__control { border-color: var(--danger); }
.field.is-invalid .field__control:focus { box-shadow: 0 0 0 3px rgba(217, 124, 106, 0.16); }

.field__error svg { flex: 0 0 auto; }

/* Consent / checkbox row */
.check {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.25rem 0;
  cursor: pointer;
  min-height: 44px;
}

.check input {
  appearance: none;
  width: 20px;
  height: 20px;
  margin-top: 0.15rem;
  border: 1px solid var(--line-control);
  border-radius: 4px;
  background: rgba(18, 19, 23, 0.6);
  cursor: pointer;
  display: grid;
  place-content: center;
  flex: 0 0 auto;
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}

.check input::after {
  content: "";
  width: 10px;
  height: 6px;
  border-left: 1.6px solid #08080a;
  border-bottom: 1.6px solid #08080a;
  rotate: -45deg;
  translate: 0 -1px;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.check input:checked {
  background: var(--gold-bright);
  border-color: var(--gold-bright);
}

.check input:checked::after { opacity: 1; }

.check__text { font-size: var(--fs-sm); line-height: 1.6; color: var(--fg-subtle); }

/* Form-level status region */
.form-status {
  display: none;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.form-status.is-visible { display: flex; }
.form-status.is-error { border-color: rgba(217, 124, 106, 0.5); color: var(--danger); }
.form-status.is-success { border-color: rgba(134, 166, 138, 0.5); color: var(--positive); }
.form-status svg { flex: 0 0 auto; margin-top: 0.15rem; }

/* Button busy state */
.btn.is-busy { pointer-events: none; }
.btn.is-busy .btn__label { opacity: 0.55; }

.btn__spinner {
  width: 15px;
  height: 15px;
  border: 1.6px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
  display: none;
}

.btn.is-busy .btn__spinner { display: block; }
.btn.is-busy .btn__arrow { display: none; }

@keyframes spin { to { rotate: 360deg; } }

/* --------------------------------------------------------------------------
   9. Data table
   -------------------------------------------------------------------------- */

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  min-width: 560px;
  font-size: var(--fs-sm);
}

.table th {
  text-align: left;
  padding: 0.75rem 1rem 0.75rem 0;
  font-weight: var(--font-weight-medium);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-faint);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.table td {
  padding: 0.85rem 1rem 0.85rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--fg);
  vertical-align: middle;
}

.table tbody tr { transition: background var(--dur) var(--ease-out); }
.table tbody tr:hover { background: rgba(174, 147, 87, 0.04); }

.table .num { text-align: right; padding-right: 0; }

/* --------------------------------------------------------------------------
   10. Quote / pull-out
   -------------------------------------------------------------------------- */

.pullquote {
  position: relative;
  padding-left: clamp(1.25rem, 0.5rem + 2vw, 2.25rem);
  border-left: 1px solid var(--line-gold);
  font-family: var(--font-ivy-presto);
  font-size: var(--fs-h3);
  line-height: 1.28;
  letter-spacing: 0.01em;
  color: var(--fg-strong);
  max-width: 22ch;
}

.pullquote--wide { max-width: 30ch; }

.pullquote cite {
  display: block;
  margin-top: 1.25rem;
  font-family: var(--font-inter);
  font-size: var(--fs-sm);
  font-style: normal;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

/* --------------------------------------------------------------------------
   11. Marquee — the continuously scrolling capability rail
   -------------------------------------------------------------------------- */

.marquee {
  position: relative;
  overflow: hidden;
  padding-block: 1rem;
  border-block: 1px solid var(--line);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  gap: 3rem;
  animation: marquee var(--marquee-duration, 46s) linear infinite;
}

.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track { animation-play-state: paused; }

.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 3rem;
  font-size: var(--fs-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
  white-space: nowrap;
}

.marquee__item::after {
  content: "";
  width: 4px;
  height: 4px;
  rotate: 45deg;
  background: var(--gold);
  opacity: 0.7;
}

@keyframes marquee {
  from { translate: 0 0; }
  to   { translate: -50% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
  .marquee { mask-image: none; -webkit-mask-image: none; }
}

/* --------------------------------------------------------------------------
   12. Toast
   -------------------------------------------------------------------------- */

.toast-region {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  translate: -50% 0;
  z-index: var(--z-toast);
  display: grid;
  gap: 0.5rem;
  width: min(92vw, 420px);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 1.15rem;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-lg);
  background: rgba(4, 4, 6, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: var(--fs-sm);
  line-height: 1.5;
  color: var(--fg);
  pointer-events: auto;
}

.toast svg { flex: 0 0 auto; color: var(--gold-bright); margin-top: 0.1rem; }