/* RevDex reusable component patterns. Requires tokens.css. */

.rd-container {
  width: min(100%, var(--rd-content-max));
  margin-inline: auto;
  padding-inline: var(--rd-space-inline-page);
}

.rd-section { padding-block: var(--rd-space-block-section); }

.rd-stack { display: grid; gap: var(--rd-space-4); }

.rd-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--rd-space-3);
}

.rd-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--rd-space-5);
}

.rd-grid > * { grid-column: span 4; }

.rd-nav {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: var(--rd-border-hairline) solid var(--rd-color-border-subtle);
  background: var(--rd-color-nav-backdrop);
  backdrop-filter: blur(18px);
}

.rd-nav__inner {
  display: flex;
  min-height: 4rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--rd-space-4);
}

.rd-eyebrow {
  margin: 0 0 var(--rd-space-4);
  color: var(--rd-color-brand);
  font: 700 var(--rd-text-xs)/1 var(--rd-font-body);
  letter-spacing: var(--rd-tracking-label);
  text-transform: uppercase;
}

.rd-display,
.rd-heading {
  margin: 0;
  font-family: var(--rd-font-display);
  font-weight: 700;
  letter-spacing: var(--rd-tracking-display);
  line-height: var(--rd-leading-tight);
  text-wrap: balance;
}

.rd-display { font-size: var(--rd-text-3xl); }
.rd-heading { font-size: var(--rd-text-2xl); }
.rd-copy { max-width: var(--rd-copy-max); color: var(--rd-color-text-muted); }

.rd-technical {
  font-family: var(--rd-font-technical);
  font-variant-numeric: tabular-nums slashed-zero;
  letter-spacing: var(--rd-tracking-technical);
}

.rd-meta {
  color: var(--rd-color-text-muted);
  font: 500 var(--rd-text-xs)/1.5 var(--rd-font-technical);
  letter-spacing: var(--rd-tracking-technical);
  text-transform: uppercase;
}

.rd-tech-label {
  color: var(--rd-color-text-muted);
  font: 500 var(--rd-text-xs)/1.4 var(--rd-font-technical);
  letter-spacing: var(--rd-tracking-technical);
  text-transform: uppercase;
}

.rd-spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: var(--rd-space-3);
}

.rd-spec {
  display: grid;
  gap: var(--rd-space-1);
  padding: var(--rd-space-3);
  border-left: 1px solid var(--rd-color-brand);
  border-radius: var(--rd-radius-md);
  background: var(--rd-orange-a10);
}

.rd-spec__value {
  color: var(--rd-color-text);
  font: 500 var(--rd-text-sm)/1.4 var(--rd-font-technical);
  font-variant-numeric: tabular-nums slashed-zero;
}

.rd-wordmark {
  display: inline-flex;
  align-items: baseline;
  color: var(--rd-wordmark-rev);
  font: 700 var(--rd-text-sm)/1 var(--rd-font-display);
  letter-spacing: -0.04em;
  text-decoration: none;
  white-space: nowrap;
}

.rd-wordmark__dex { color: var(--rd-wordmark-dex); }

.rd-wordmark--on-light {
  --rd-wordmark-rev: var(--rd-color-wordmark-rev-on-light);
}

.rd-button {
  position: relative;
  display: inline-flex;
  min-height: var(--rd-button-height);
  align-items: center;
  justify-content: center;
  gap: var(--rd-space-2);
  padding: var(--rd-space-2) var(--rd-button-padding-x);
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--rd-button-radius);
  background: var(--rd-button-bg);
  box-shadow: var(--rd-shadow-control);
  color: var(--rd-button-fg);
  font: 750 var(--rd-text-sm)/1 var(--rd-font-body);
  text-decoration: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform var(--rd-duration-fast) var(--rd-ease-standard), filter var(--rd-duration-fast), background var(--rd-duration-fast), border-color var(--rd-duration-fast), box-shadow var(--rd-duration-fast);
}

.rd-button:hover { filter: brightness(1.06); box-shadow: var(--rd-shadow-control-hover); }
.rd-button:active { transform: scale(var(--rd-button-active-scale)); filter: brightness(0.96); box-shadow: var(--rd-shadow-control-pressed); }
.rd-button[disabled], .rd-button[aria-disabled="true"] { opacity: var(--rd-control-disabled-opacity); pointer-events: none; box-shadow: none; }
.rd-button[aria-busy="true"] { cursor: wait; filter: saturate(0.78); pointer-events: none; }

.rd-button--sm { min-height: var(--rd-control-height-sm); padding-inline: var(--rd-space-4); }
.rd-button--lg { min-height: var(--rd-control-height-lg); padding-inline: var(--rd-space-6); font-size: var(--rd-text-md); }

.rd-button--outline {
  --rd-button-bg: var(--rd-button-secondary-bg);
  --rd-button-fg: var(--rd-button-secondary-fg);
  border-color: var(--rd-control-border);
}

.rd-button--outline:hover { background: var(--rd-control-bg-hover); border-color: var(--rd-color-border); box-shadow: var(--rd-shadow-control-hover); }

/* Optional CTA emphasis: an ambient brand halo sits behind the control. */
.rd-button--emphasized {
  box-shadow: var(--rd-button-shadow-emphasized);
}

.rd-button--emphasized:hover {
  box-shadow: var(--rd-button-shadow-emphasized-hover);
}

.rd-button--emphasized:active {
  box-shadow: var(--rd-button-shadow-emphasized-active);
}

@media (prefers-reduced-motion: reduce) {
  .rd-button--emphasized { transition: none; }
}

.rd-card {
  padding: var(--rd-card-padding);
  border: var(--rd-border-hairline) solid var(--rd-card-border);
  border-radius: var(--rd-card-radius);
  background: var(--rd-card-bg);
  box-shadow: var(--rd-shadow-card);
}

.rd-card--interactive {
  transition: background var(--rd-duration-fast), transform var(--rd-duration-fast) var(--rd-ease-standard), border-color var(--rd-duration-fast), box-shadow var(--rd-duration-normal);
}

.rd-card--interactive:hover { background: var(--rd-color-surface-raised); border-color: var(--rd-color-border); box-shadow: var(--rd-shadow-card-hover); }
.rd-card--interactive:active { transform: scale(0.995); }

.rd-field {
  display: grid;
  gap: var(--rd-space-2);
}

.rd-control-stack {
  display: grid;
  gap: var(--rd-space-4);
  max-width: 32rem;
}

.rd-label {
  color: var(--rd-color-text);
  font: 650 var(--rd-text-sm)/1.2 var(--rd-font-body);
}

.rd-helper {
  margin: 0;
  color: var(--rd-color-text-muted);
  font-size: var(--rd-text-sm);
}

.rd-input,
.rd-select,
.rd-textarea {
  width: 100%;
  min-height: var(--rd-input-height);
  padding-inline: var(--rd-input-padding-x);
  border: 1px solid var(--rd-input-border);
  border-radius: var(--rd-input-radius);
  background: var(--rd-input-bg);
  color: var(--rd-color-text);
  box-shadow: var(--rd-shadow-control);
  caret-color: var(--rd-color-brand);
  font: 500 var(--rd-text-md)/1.2 var(--rd-font-body);
  -webkit-tap-highlight-color: transparent;
  transition: background var(--rd-duration-fast), border-color var(--rd-duration-fast), box-shadow var(--rd-duration-fast);
}

.rd-input::placeholder,
.rd-textarea::placeholder { color: var(--rd-color-text-muted); }

.rd-input:hover,
.rd-select:hover,
.rd-textarea:hover { background: var(--rd-control-bg-hover); border-color: var(--rd-color-border); }

.rd-input:focus,
.rd-select:focus,
.rd-textarea:focus { background: var(--rd-input-bg); border-color: var(--rd-color-focus); box-shadow: var(--rd-shadow-control); }

.rd-input:disabled,
.rd-select:disabled,
.rd-textarea:disabled { opacity: var(--rd-control-disabled-opacity); cursor: not-allowed; box-shadow: none; }

.rd-input[aria-invalid="true"],
.rd-select[aria-invalid="true"],
.rd-textarea[aria-invalid="true"] { border-style: dashed; border-color: var(--rd-color-brand); }

.rd-input--sm, .rd-select--sm { min-height: var(--rd-control-height-sm); font-size: var(--rd-text-sm); }
.rd-input--lg, .rd-select--lg { min-height: var(--rd-control-height-lg); }

.rd-select { appearance: auto; cursor: pointer; }

.rd-textarea {
  min-height: calc(var(--rd-control-height) * 2.25);
  padding-block: var(--rd-space-3);
  line-height: var(--rd-leading-copy);
  resize: vertical;
}

.rd-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.5rem;
  padding-inline: var(--rd-space-3);
  border: 1px solid var(--rd-orange-a40);
  border-radius: var(--rd-radius-pill);
  background: var(--rd-orange-a10);
  color: var(--rd-color-brand);
  font: 750 var(--rd-text-xs)/1 var(--rd-font-body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rd-logo-stage {
  display: grid;
  min-height: 22rem;
  place-items: center;
  overflow: hidden;
  border: var(--rd-border-hairline) solid var(--rd-color-border-subtle);
  border-radius: var(--rd-radius-lg);
  background: radial-gradient(ellipse at center, var(--rd-orange-a10), transparent 54%), var(--rd-color-canvas);
}

.rd-logo-stage img {
  display: block;
  width: min(100%, 48rem);
  height: auto;
}

.rd-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Metallic materials: premium exceptions, never body backgrounds. */
.rd-metal {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-size: 220% 100%;
  color: var(--rd-color-on-metal);
  box-shadow: inset 0 1px 0 var(--rd-white-a72), inset 0 -1px 0 var(--rd-black-a40), 0 12px 34px var(--rd-black-a38);
}

.rd-metal--gold { background-image: var(--rd-gradient-gold); }
.rd-metal--silver { background-image: var(--rd-gradient-silver); }

.rd-metal::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: -45% auto -45% -55%;
  width: 34%;
  transform: skewX(-18deg);
  background: linear-gradient(90deg, transparent, var(--rd-white-a85), transparent);
  filter: blur(1px);
  pointer-events: none;
}

.rd-metal > * { position: relative; z-index: 2; }
.rd-metal--gold[data-animate="true"]::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: -12%;
  background: var(--rd-gradient-gold-ambient);
  opacity: 0;
  mix-blend-mode: soft-light;
  transform: translateX(-120%);
  pointer-events: none;
  animation: rd-gold-ambient var(--rd-duration-gold-breathe) ease-in-out infinite;
}

.rd-metal:hover::after { animation: rd-glare var(--rd-duration-glare) var(--rd-ease-standard) both; }
.rd-metal[data-animate="true"]::after { animation: rd-glare var(--rd-duration-glare-loop) var(--rd-ease-standard) infinite; }

.rd-metal-text {
  background-image: var(--rd-gradient-glare), var(--rd-gradient-gold);
  background-size: 250% 100%, 100% 100%;
  background-position: -150% 50%, 0 50%;
  background-repeat: no-repeat;
  color: transparent;
  background-clip: text;
  -webkit-background-clip: text;
  filter: drop-shadow(0 2px 10px var(--rd-orange-a20));
  animation:
    rd-metal-text-glare var(--rd-duration-glare-loop) var(--rd-ease-standard) infinite,
    rd-gold-text-breathe var(--rd-duration-gold-breathe) ease-in-out infinite;
}

/* Progressive Apple-like continuous corners; standard radii remain the fallback. */
@supports (corner-shape: squircle) {
  .rd-button,
  .rd-card,
  .rd-input,
  .rd-select,
  .rd-textarea,
  .rd-spec {
    corner-shape: squircle;
  }
}

@media (max-width: 45rem) {
  .rd-grid > * { grid-column: 1 / -1; }
}

@keyframes rd-glare {
  0%, 8% { left: -55%; opacity: 0; }
  14% { left: -55%; opacity: 1; }
  62% { left: 125%; opacity: 1; }
  70%, 100% { left: 125%; opacity: 0; }
}

@keyframes rd-metal-text-glare {
  0%, 8% { background-position: -150% 50%, 0 50%; }
  70%, 100% { background-position: 150% 50%, 0 50%; }
}

@keyframes rd-gold-ambient {
  0%, 8% { transform: translateX(-120%); opacity: 0; }
  18% { opacity: 0.28; }
  78% { transform: translateX(120%); opacity: 0.28; }
  90%, 100% { transform: translateX(120%); opacity: 0; }
}

@keyframes rd-gold-text-breathe {
  0%, 100% { filter: drop-shadow(0 2px 10px var(--rd-orange-a20)) brightness(0.99) saturate(1); }
  50% { filter: drop-shadow(0 2px 10px var(--rd-orange-a20)) brightness(1.045) saturate(1.06); }
}