/* Hallmark · genre: modern-minimal · macrostructure: Workbench · theme: Cobalt · enrichment: Tier-A pure-CSS/SVG instrument · nav: N13 · footer: Ft2 · contrast: pass (40–41) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57) */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */

@import url("./tokens.css");

/* --------------------------------------------------
 * Reset & Typography Foundation
 * -------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  overflow-x: clip;
  width: 100%;
  background-color: var(--color-paper);
  color: var(--color-ink-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection {
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

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

/* --------------------------------------------------
 * Layout Utilities
 * -------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 3.5vw, 2rem);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: clamp(1rem, 3.5vw, 2rem);
}

/* --------------------------------------------------
 * Motion & Reveal Engine
 * -------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  animation: revealEnter var(--dur-med) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 70ms);
}

@keyframes revealEnter {
  to {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------
 * Navigation (N13 Inline ⌘K Command Pill)
 * -------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  background-color: oklch(98.5% 0.004 250 / 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-rule);
  display: flex;
  align-items: center;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
}

.nav__brand-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.03em;
  color: var(--color-ink-primary);
}

.nav__brand-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background-color: var(--color-graphite);
  color: var(--color-accent);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
}

.nav__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3xs);
  padding: 2px 8px;
  background-color: var(--color-paper-subtle);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-secondary);
}

.nav__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  animation: pulseDot 2.4s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.nav__center {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-secondary);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav__link:hover {
  color: var(--color-ink-primary);
}

.nav__cmdk-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  height: 36px;
  padding: 0 var(--space-sm);
  background-color: var(--color-paper-elevated);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  cursor: pointer;
  white-space: nowrap;
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.nav__cmdk-btn:hover {
  border-color: var(--color-rule-hover);
  color: var(--color-ink-primary);
}

.nav__cmdk-kbd {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px 5px;
  background-color: var(--color-paper-subtle);
  border: 1px solid var(--color-rule);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-ink-secondary);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* --------------------------------------------------
 * Button Hierarchy (8-State Compliant)
 * -------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  height: 40px;
  padding: 0 var(--space-md);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn--primary:active {
  background-color: var(--color-accent-active);
  border-color: var(--color-accent-active);
}

.btn--secondary {
  background-color: var(--color-paper-elevated);
  color: var(--color-ink-primary);
  border-color: var(--color-rule);
}

.btn--secondary:hover {
  background-color: var(--color-paper-subtle);
  border-color: var(--color-rule-hover);
}

.btn--secondary:active {
  background-color: var(--color-paper-hover);
}

.btn--sm {
  height: 32px;
  padding: 0 var(--space-sm);
  font-size: var(--text-xs);
}

.btn--lg {
  height: 48px;
  padding: 0 var(--space-lg);
  font-size: var(--text-base);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* --------------------------------------------------
 * Section Framework
 * -------------------------------------------------- */
.section {
  padding-block: clamp(3.5rem, 6vw, 6rem);
  border-bottom: 1px solid var(--color-rule);
  position: relative;
}

.section__head {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
  max-width: 68ch;
}

.section__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: var(--lh-heading);
  color: var(--color-ink-primary);
  overflow-wrap: anywhere;
  min-width: 0;
}

.section__lede {
  font-size: var(--text-base);
  color: var(--color-ink-secondary);
  line-height: var(--lh-body);
}

/* --------------------------------------------------
 * Hero Section (H8 Workbench Macrostructure)
 * -------------------------------------------------- */
.hero {
  padding-block-start: clamp(3rem, 5vw, 5rem);
  padding-block-end: clamp(3.5rem, 6vw, 5.5rem);
  border-bottom: 1px solid var(--color-rule);
  background-color: var(--color-paper);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: var(--lh-display);
  color: var(--color-ink-primary);
  overflow-wrap: anywhere;
  min-width: 0;
}

.hero__lede {
  font-size: var(--text-md);
  color: var(--color-ink-secondary);
  line-height: var(--lh-body);
  max-width: 48ch;
}

/* Early Access Reservation Box (C2 Inline CTA) */
.hero__cta-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  background-color: var(--color-paper-subtle);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.hero__form-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-ink-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero__form-badge {
  color: var(--color-accent);
  font-weight: 500;
}

.hero__form {
  display: flex;
  align-items: stretch;
  gap: var(--space-2xs);
}

.hero__input-wrap {
  flex: 1;
  position: relative;
}

.hero__input {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-sm);
  background-color: var(--color-paper-elevated);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  color: var(--color-ink-primary);
  font-size: var(--text-sm);
  transition: border-color var(--dur-fast) var(--ease-out);
}

.hero__input:hover {
  border-color: var(--color-rule-hover);
}

.hero__input:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
  border-color: var(--color-focus);
}

.hero__form-btn {
  height: 44px;
  padding: 0 var(--space-md);
  flex-shrink: 0;
}

.hero__form-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  min-height: 1.5lh;
}

.hero__reservation-card {
  display: none;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-sm);
  background-color: var(--color-paper-elevated);
  border: 1px solid var(--color-success-border);
  border-radius: var(--radius-sm);
}

.hero__reservation-card.is-active {
  display: flex;
}

.hero__reservation-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-success);
  font-weight: 600;
}

.hero__token-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-paper-subtle);
  border: 1px dashed var(--color-rule-hover);
  padding: var(--space-2xs) var(--space-sm);
  border-radius: var(--radius-xs);
}

.hero__token-val {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink-primary);
  letter-spacing: 0.05em;
}

.hero__contact-line {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.hero__contact-link {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hero__contact-link:hover {
  color: var(--color-accent-hover);
}

/* --------------------------------------------------
 * Interactive Live API Workbench (Code Hero - Cobalt #4)
 * -------------------------------------------------- */
.code-card {
  background-color: var(--color-graphite);
  border: 1px solid var(--color-graphite-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: var(--font-mono);
}

.code-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-graphite-surface);
  border-bottom: 1px solid var(--color-graphite-border);
}

.code-card__tab-strip {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.code-card__tab {
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-graphite-muted);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: all var(--dur-fast) var(--ease-out);
}

.code-card__tab:hover {
  color: var(--color-graphite-ink);
  background-color: oklch(28% 0.018 260);
}

.code-card__tab.is-active {
  color: var(--color-accent);
  background-color: oklch(24% 0.02 260);
  border-color: var(--color-graphite-border);
  font-weight: 600;
}

.code-card__req-bar {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background-color: oklch(18% 0.015 260);
  border-bottom: 1px solid var(--color-graphite-border);
}

.method-chip {
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.method-chip--get {
  background-color: oklch(58% 0.20 256 / 0.18);
  color: var(--color-accent);
  border: 1px solid oklch(58% 0.20 256 / 0.35);
}

.method-chip--post {
  background-color: oklch(62% 0.18 145 / 0.18);
  color: var(--color-success);
  border: 1px solid oklch(62% 0.18 145 / 0.35);
}

.code-card__url-input {
  flex: 1;
  height: 32px;
  padding: 0 8px;
  background-color: var(--color-graphite);
  border: 1px solid var(--color-graphite-border);
  border-radius: var(--radius-xs);
  color: var(--color-graphite-ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.code-card__body {
  padding: var(--space-md);
  background-color: var(--color-graphite);
  color: var(--color-graphite-ink);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: var(--lh-mono);
  min-height: 260px;
  max-height: 340px;
  overflow-y: auto;
}

.code-card__pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Syntax Tokens (Cobalt) */
.tok-key { color: var(--color-accent); }
.tok-str { color: oklch(84% 0.14 140); }
.tok-num { color: oklch(86% 0.16 75); }
.tok-bool { color: oklch(80% 0.18 310); }
.tok-null { color: var(--color-graphite-muted); }
.tok-punct { color: var(--color-graphite-muted); }

.code-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-graphite-surface);
  border-top: 1px solid var(--color-graphite-border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-graphite-muted);
}

.code-card__status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.status--ok {
  color: var(--color-success);
  font-weight: 600;
}

/* --------------------------------------------------
 * Interactive Public API Directory (F1 Grid)
 * -------------------------------------------------- */
.directory-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background-color: var(--color-paper-elevated);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
}

.search-box-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0 var(--space-md);
  height: 44px;
  background-color: var(--color-paper-subtle);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-fast) var(--ease-out);
}

.search-box-wrap:focus-within {
  border-color: var(--color-focus);
}

.search-box__input {
  width: 100%;
  height: 100%;
  border: none;
  background: transparent;
  color: var(--color-ink-primary);
  font-size: var(--text-sm);
}

.category-filter-pills {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.category-filter-pills::-webkit-scrollbar {
  display: none;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3xs);
  height: 32px;
  padding: 0 12px;
  background-color: var(--color-paper-subtle);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-ink-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--dur-fast) var(--ease-out);
}

.filter-pill:hover {
  background-color: var(--color-paper-hover);
  border-color: var(--color-rule-hover);
  color: var(--color-ink-primary);
}

.filter-pill.is-active {
  background-color: var(--color-graphite);
  border-color: var(--color-graphite-border);
  color: var(--color-accent);
  font-weight: 600;
}

.api-directory-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.api-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-lg);
  background-color: var(--color-paper-elevated);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.api-card:hover {
  border-color: var(--color-rule-hover);
  transform: translateY(-2px);
}

.api-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xs);
}

.api-card__cat-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 6px;
  background-color: var(--color-paper-subtle);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-xs);
  color: var(--color-ink-secondary);
}

.api-card__auth-chip {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}

.api-card__auth-chip--none {
  background-color: oklch(62% 0.18 145 / 0.15);
  color: var(--color-success);
  border: 1px solid oklch(62% 0.18 145 / 0.3);
}

.api-card__auth-chip--free {
  background-color: oklch(72% 0.16 75 / 0.15);
  color: var(--color-warning);
  border: 1px solid oklch(72% 0.16 75 / 0.3);
}

.api-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ink-primary);
  margin-bottom: var(--space-3xs);
}

.api-card__desc {
  font-size: var(--text-sm);
  color: var(--color-ink-secondary);
  line-height: var(--lh-body);
  margin-bottom: var(--space-sm);
}

.api-card__meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-xs);
  border-top: 1px solid var(--color-rule-subtle);
  border-bottom: 1px solid var(--color-rule-subtle);
  margin-bottom: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.api-card__stat--success {
  color: var(--color-success);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.api-card__action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
}

.api-card__endpoint-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-secondary);
  background-color: var(--color-paper-subtle);
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-rule-subtle);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

/* --------------------------------------------------
 * Graphite 24/7 Verification & Latency Pulse Band (Signature Move 8)
 * -------------------------------------------------- */
.instrument-band {
  background-color: var(--color-graphite);
  color: var(--color-graphite-ink);
  border-block: 1px solid var(--color-graphite-border);
  padding-block: clamp(4rem, 7vw, 7rem);
}

.instrument-band__head {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.instrument-band__kicker {
  color: var(--color-accent);
}

.instrument-band__title {
  color: var(--color-graphite-ink);
}

.instrument-band__lede {
  color: var(--color-graphite-muted);
}

.instrument__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.latency-card {
  background-color: var(--color-graphite-surface);
  border: 1px solid var(--color-graphite-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.latency-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-graphite-border);
}

.latency-card__title {
  font-weight: 600;
  color: var(--color-graphite-ink);
}

.latency-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.latency-table th {
  text-align: left;
  padding: var(--space-2xs) var(--space-3xs);
  color: var(--color-graphite-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--color-graphite-border);
}

.latency-table td {
  padding: var(--space-2xs) var(--space-3xs);
  border-bottom: 1px solid oklch(28% 0.018 260);
}

.latency-bar-track {
  width: 100%;
  height: 6px;
  background-color: oklch(18% 0.015 260);
  border-radius: 3px;
  overflow: hidden;
}

.latency-bar-fill {
  height: 100%;
  background-color: var(--color-accent);
  border-radius: 3px;
  transition: width 0.6s var(--ease-out);
}

.instrument-feat-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.instrument-feat-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background-color: var(--color-graphite-surface);
  border: 1px solid var(--color-graphite-border);
  border-radius: var(--radius-md);
}

.instrument-feat-num {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: oklch(18% 0.015 260);
  border: 1px solid var(--color-graphite-border);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.instrument-feat-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-graphite-ink);
  margin-bottom: 2px;
}

.instrument-feat-desc {
  font-size: var(--text-sm);
  color: var(--color-graphite-muted);
  line-height: 1.45;
}

/* --------------------------------------------------
 * Directory Spec Sheet (F3 Tabular Spec)
 * -------------------------------------------------- */
.spec-box {
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-paper-elevated);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.spec-table th {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-paper-subtle);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ink-secondary);
  border-bottom: 1px solid var(--color-rule);
}

.spec-table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-rule-subtle);
  color: var(--color-ink-primary);
  vertical-align: top;
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table td:first-child {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-ink-primary);
  width: 28%;
}

.spec-table td:nth-child(2) {
  width: 42%;
}

.spec-table td:last-child {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  width: 30%;
}

/* --------------------------------------------------
 * Final Early Access Strip & Direct Contact
 * -------------------------------------------------- */
.cta-strip {
  background-color: var(--color-paper-subtle);
  border-block: 1px solid var(--color-rule);
  padding-block: clamp(3.5rem, 6vw, 6rem);
}

.cta-strip__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 60ch;
  margin-inline: auto;
  gap: var(--space-md);
}

.cta-strip__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: var(--lh-heading);
  color: var(--color-ink-primary);
}

.cta-strip__lede {
  font-size: var(--text-base);
  color: var(--color-ink-secondary);
}

.cta-strip__contact-box {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background-color: var(--color-paper-elevated);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.cta-strip__email {
  font-weight: 600;
  color: var(--color-accent);
}

/* --------------------------------------------------
 * Footer (Ft2 Inline Rule Single Line + Ft5 Statement)
 * -------------------------------------------------- */
.footer {
  padding-block: var(--space-xl) var(--space-lg);
  background-color: var(--color-paper);
  border-top: 1px solid var(--color-rule);
}

.footer__statement {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-ink-primary);
  max-width: 52ch;
  margin-bottom: var(--space-lg);
}

.footer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-rule-subtle);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.footer__meta-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__brand {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-ink-primary);
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.footer__link {
  color: var(--color-ink-secondary);
  transition: color var(--dur-fast) var(--ease-out);
}

.footer__link:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------
 * ⌘K Universal Command Palette Modal (Role Dialog)
 * -------------------------------------------------- */
.cmdk-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal-backdrop);
  background-color: oklch(15% 0.015 260 / 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: clamp(4rem, 12vh, 8rem);
  padding-inline: var(--space-md);
}

.cmdk-backdrop.is-open {
  display: flex;
}

.cmdk-dialog {
  width: 100%;
  max-width: 580px;
  background-color: var(--color-graphite);
  border: 1px solid var(--color-graphite-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.cmdk-search-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-graphite-border);
  background-color: var(--color-graphite-surface);
}

.cmdk-search-icon {
  color: var(--color-accent);
  flex-shrink: 0;
}

.cmdk-input {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--color-graphite-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
}

.cmdk-input::placeholder {
  color: var(--color-graphite-muted);
}

.cmdk-esc-kbd {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 2px 6px;
  background-color: oklch(18% 0.015 260);
  border: 1px solid var(--color-graphite-border);
  border-radius: 3px;
  color: var(--color-graphite-muted);
}

.cmdk-list {
  max-height: 340px;
  overflow-y: auto;
  padding: var(--space-xs);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cmdk-group-title {
  padding: var(--space-xs) var(--space-sm) 4px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-graphite-muted);
}

.cmdk-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-graphite-ink);
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out);
}

.cmdk-item:hover,
.cmdk-item.is-selected {
  background-color: oklch(28% 0.02 260);
}

.cmdk-item__badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 2px;
}

.cmdk-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) var(--space-md);
  border-top: 1px solid var(--color-graphite-border);
  background-color: var(--color-graphite-surface);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-graphite-muted);
}

/* --------------------------------------------------
 * Toast Notifications
 * -------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 10px 14px;
  background-color: var(--color-graphite);
  color: var(--color-graphite-ink);
  border: 1px solid var(--color-graphite-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-modal);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.toast--accent {
  border-color: var(--color-accent);
}

/* --------------------------------------------------
 * Responsive Breakpoints (Mobile verified 320, 375, 414, 768)
 * -------------------------------------------------- */
@media (max-width: 960px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .api-directory-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .instrument__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .nav__center {
    display: none;
  }

  .nav__badge {
    display: none;
  }

  .spec-table td:first-child {
    width: 35%;
  }

  .spec-table td:nth-child(2) {
    width: 65%;
  }

  .spec-table th:last-child,
  .spec-table td:last-child {
    display: none;
  }
}

@media (max-width: 480px) {
  #results-counter {
    display: none;
  }

  .hero__form {
    flex-direction: column;
  }

  .hero__form-btn {
    width: 100%;
  }

  .hero__title {
    font-size: 2.125rem;
  }

  .cta-strip__title {
    font-size: 1.875rem;
  }

  .footer__row {
    flex-direction: column;
    align-items: flex-start;
  }

  .api-card__action-row {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}