/* HERO */

.usbfaq-hero {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.usbfaq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-border) 100%);
}

.usbfaq-hero .container {
  position: relative;
  z-index: 1;
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.usbfaq-hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-8);
  align-items: center;
}

.usbfaq-hero-copy,
.usbfaq-hero-aside {
  min-height: auto;
}

.usbfaq-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.usbfaq-hero .eyebrow--accent {
  letter-spacing: 0.14em;
  margin-bottom: var(--space-3);
}

.usbfaq-hero h1 {
  color: var(--color-obsidian);
  font-size: var(--font-size-hero);
  font-weight: 800;
  line-height: 1.07;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
}

.usbfaq-lead {
  max-width: 60ch;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  line-height: 1.72;
  margin-bottom: 0;
}

.usbfaq-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.usbfaq-hero-aside {
  position: sticky;
  top: calc(64px + 12px);
  display: flex;
  flex-direction: column;
}

.usbfaq-hero-aside .eyebrow {
  margin-bottom: var(--space-2);
}

.usbfaq-aside-title {
  color: var(--color-obsidian);
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  font-weight: 700;
  margin-top: var(--space-1);
  margin-bottom: var(--space-3);
}

.usbfaq-aside-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.65;
  margin-bottom: var(--space-3);
}

.usbfaq-aside-list {
  margin-bottom: var(--space-4);
}

.usbfaq-aside-note {
  color: var(--color-text-muted);
  margin: 0;
}

@media (min-width: 960px) {
  .usbfaq-hero .container {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}

@media (max-width: 960px) {
  .usbfaq-hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    align-items: start;
  }

  .usbfaq-hero-copy,
  .usbfaq-hero-aside {
    min-height: auto;
  }

  .usbfaq-hero-copy {
    justify-content: flex-start;
  }

  .usbfaq-hero-aside {
    position: static;
  }
}

@media (max-width: 520px) {
  .usbfaq-cta-row {
    flex-direction: column;
  }

  .usbfaq-cta-row .btn-main,
  .usbfaq-cta-row .btn-outline {
    width: 100%;
    text-align: center;
  }
}


/* SECTION HEADERS */

.usbfaq-section-header {
  max-width: 58rem;
  margin-bottom: var(--space-6);
}

.usbfaq-section-header .eyebrow {
  margin-bottom: var(--space-2);
}

.usbfaq-section-header h2 {
  color: var(--color-obsidian);
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.usbfaq-section-header p {
  margin-bottom: 0;
}

/* QUICK CHECKS */

.usbfaq-checks {
  background: var(--color-bg);
}

.usbfaq-checks-grid {
  align-items: stretch;
}

.usbfaq-check-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  border-top: 3px solid var(--color-gold-border);
}

.usbfaq-check-card .eyebrow {
  margin-bottom: var(--space-2);
}

.usbfaq-check-card h3 {
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  margin-bottom: var(--space-2);
}

.checks-lead {
  color: var(--color-text-muted);
}

.usbfaq-check-card .usbfaq-bullet-list {
  margin-top: var(--space-1);
}

.usbfaq-check-card .usbfaq-bullet-list li:last-child {
  margin-bottom: 0;
}

.usbfaq-bullet-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.usbfaq-bullet-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  line-height: 1.55;
}

.usbfaq-bullet-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--color-gold-border);
  font-weight: 700;
}

.usbfaq-check-lead {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.55;
  margin-bottom: var(--space-3);
}

.usbfaq-mini-note {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* ROUTE DECODER */

.usbfaq-decoder {
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    var(--color-bg-alt) 100%
  );
  border-top: 1px solid var(--color-border);
}

.usbfaq-decoder-band {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  box-shadow: var(--shadow-sm);
}

.usbfaq-decoder-heading {
  display: grid;
  gap: var(--space-3);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.usbfaq-decoder-heading .eyebrow {
  margin-bottom: 0;
}

.usbfaq-decoder-heading h2 {
  color: var(--color-obsidian);
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0;
}

.usbfaq-decoder-lead {
  max-width: 68rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}

.usbfaq-decoder-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: var(--space-5) 0 0;
  list-style: none;
}

.usbfaq-decoder-track li {
  position: relative;
  display: grid;
  gap: var(--space-2);
  padding: 0 var(--space-4);
}

.usbfaq-decoder-track li:first-child {
  padding-left: 0;
}

.usbfaq-decoder-track li:last-child {
  padding-right: 0;
}

.usbfaq-decoder-track li + li {
  border-left: 1px solid var(--color-border);
}

.usbfaq-decoder-track li::before {
  content: "";
  width: 0.65rem;
  height: 0.65rem;
  border-radius: var(--radius-pill);
  background: var(--color-gold);
  box-shadow: 0 0 0 4px var(--color-gold-tint);
}

.usbfaq-decoder-term {
  color: var(--color-obsidian);
  font-weight: 800;
  line-height: 1.3;
}

.usbfaq-decoder-meaning {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .usbfaq-decoder-track {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .usbfaq-decoder-track li,
  .usbfaq-decoder-track li:first-child,
  .usbfaq-decoder-track li:last-child {
    padding: 0 0 0 var(--space-5);
  }

  .usbfaq-decoder-track li + li {
    border-left: 0;
  }

  .usbfaq-decoder-track li::before {
    position: absolute;
    top: 0.35rem;
    left: 0;
  }

  .usbfaq-decoder-track li::after {
    content: "";
    position: absolute;
    top: 1.25rem;
    bottom: -0.85rem;
    left: 0.3125rem;
    width: 1px;
    background: var(--color-border);
  }

  .usbfaq-decoder-track li:last-child::after {
    display: none;
  }
}

/* DOCKING MAP */

.usbfaq-map {
  background: var(--color-dark);
  border-top: 1px solid var(--color-border-dark);
  border-bottom: 1px solid var(--color-border-dark);
}

.usbfaq-map .usbfaq-section-header .eyebrow {
  color: var(--color-gold);
}

.usbfaq-map .usbfaq-section-header h2 {
  color: var(--color-text-on-dark);
}

.usbfaq-map .usbfaq-section-header p {
  color: var(--color-text-muted-on-dark);
}

.usbfaq-map-grid {
  align-items: stretch;
}

.usbfaq-map-card {
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--color-border-dark-strong);
  border-radius: var(--radius);
  background: var(--color-card-dark);
  box-shadow: none;
}

.usbfaq-map-card .feature-body {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-6);
}

.usbfaq-map-card .eyebrow {
  display: inline-flex;
  width: fit-content;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--color-gold-border);
  border-radius: var(--radius-pill);
  background: var(--color-gold-tint-dark);
  color: var(--color-gold);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.usbfaq-map-card h3 {
  color: var(--color-text-on-dark);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  margin-bottom: var(--space-3);
}

.usbfaq-map-card p {
  color: var(--color-text-muted-on-dark);
}

.usbfaq-map-card .bullet-list {
  margin-top: var(--space-4);
}

.usbfaq-map-card .bullet-list li {
  color: var(--color-text-muted-on-dark);
}

.usbfaq-map-card .bullet-list li::before {
  color: var(--color-gold);
}

.usbfaq-route-rule {
  margin-top: var(--space-6);
  border-color: var(--color-border-dark-strong);
  background: var(--color-panel-dark-muted);
}

.usbfaq-route-rule .eyebrow {
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}

.usbfaq-route-rule-title {
  color: var(--color-text-on-dark);
  font-size: 1rem;
  margin: 0 0 var(--space-2);
}

.usbfaq-route-rule-text {
  color: var(--color-text-muted-on-dark);
  margin: 0;
}

/* RELATED DEEP DIVES */

.usbfaq-basics {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.usbfaq-deep-dive-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  box-shadow: var(--shadow-sm);
}

.usbfaq-deep-dive-copy {
  position: relative;
  padding-left: var(--space-4);
}

.usbfaq-deep-dive-copy h2 {
  color: var(--color-obsidian);
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.usbfaq-deep-dive-copy p:not(.eyebrow) {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.6;
  margin-bottom: 0;
}

.usbfaq-deep-dive-links {
  display: grid;
  gap: var(--space-2);
}

.usbfaq-deep-dive-links a {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  text-decoration: none;
  transition:
    border-color 0.15s ease,
    background 0.15s ease;
}

.usbfaq-deep-dive-links a:hover {
  border-color: var(--color-border-mid);
  background: var(--color-card);
}

.usbfaq-deep-dive-links span {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.usbfaq-deep-dive-links strong {
  color: var(--color-royal);
  font-size: var(--font-size-small);
  line-height: 1.4;
}

.usbfaq-deep-dive-links a:hover strong {
  color: var(--color-royal-hover);
}

@media (max-width: 820px) {
  .usbfaq-deep-dive-panel {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: var(--space-5);
  }
}

/* SETUP LAUNCHER */

.usbfaq-launcher {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.usbfaq-launcher-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.usbfaq-launcher-primary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-10);
  background: var(--color-dark);
  color: var(--color-text-on-dark);
}

.usbfaq-launcher-primary .eyebrow {
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.usbfaq-launcher-primary h2 {
  color: var(--color-text-on-dark);
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 800;
  margin-bottom: var(--space-4);
}

.usbfaq-launcher-intro {
  color: var(--color-text-muted-on-dark);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.usbfaq-launcher-proof {
  margin-top: var(--space-5);
  margin-bottom: 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-on-dark);
  color: var(--color-text-muted-on-dark);
  font-size: var(--font-size-small);
  line-height: 1.6;
}

.usbfaq-launcher-primary .btn-main {
  width: fit-content;
  margin-top: var(--space-3);
}

.usbfaq-launcher-routes {
  display: grid;
  padding: var(--space-4);
}

.usbfaq-launcher-row {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  border-radius: var(--radius);
  color: var(--color-text);
  text-decoration: none;
  transition:
    background 0.15s ease,
    transform 0.15s ease;
}

.usbfaq-launcher-row + .usbfaq-launcher-row {
  border-top: 1px solid var(--color-border);
}

.usbfaq-launcher-row:hover {
  background: var(--color-royal-light);
  color: var(--color-text);
  transform: translateX(3px);
}

.usbfaq-launcher-label {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.usbfaq-launcher-row strong {
  color: var(--color-royal);
  font-size: 1rem;
  line-height: 1.35;
}

.usbfaq-launcher-row span:last-child {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.55;
}

@media (max-width: 820px) {
  .usbfaq-launcher-shell {
    grid-template-columns: 1fr;
  }

  .usbfaq-launcher-primary {
    padding: var(--space-8);
  }

  .usbfaq-launcher-primary .btn-main {
    width: 100%;
  }

}


/* FAQ */

.usbfaq-faq {
  background: var(--color-bg);
}

.usbfaq-faq-shell {
  max-width: var(--max-w);
}