.features-hero {
  position: relative;
  overflow: hidden;
  padding-top: 88px;
  padding-bottom: 96px;
  border-radius: 0 0 var(--radius-hero) var(--radius-hero);
  background:
    radial-gradient(58% 72% at 12% 28%, var(--color-canvas-light), transparent 72%),
    var(--gradient-canvas);
  color: var(--color-text);
}

.features-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(440px, 1.08fr);
  gap: 72px;
  align-items: center;
}

.features-hero__copy {
  position: relative;
  z-index: 3;
}

.features-hero__sub {
  max-width: 610px;
  margin-bottom: 20px;
  color: var(--color-accent-dark);
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 750;
  line-height: 1.45;
}

.features-hero .button-row {
  margin-top: 30px;
}

.features-hero .fact-row {
  margin-top: 24px;
}

.settings-stage {
  position: relative;
  min-height: 510px;
}

.settings-stage__glow {
  position: absolute;
  inset: 6% 0 2% 10%;
  border-radius: 42% 58% 66% 34%;
  background: var(--gradient-accent);
  box-shadow: var(--shadow-float);
  transform: rotate(-4deg);
}

.settings-sheet {
  position: absolute;
  z-index: 2;
  width: min(390px, 78%);
  padding: 22px;
  border: 1px solid var(--color-glass-stroke);
  border-radius: var(--radius-card-lg);
  background: var(--color-glass);
  color: var(--color-text);
  box-shadow: inset 0 1px 0 var(--color-glass-highlight), var(--shadow-float);
  backdrop-filter: blur(18px);
}

.settings-sheet--back {
  top: 44px;
  right: 0;
  transform: rotate(5deg);
}

.settings-sheet--front {
  bottom: 38px;
  left: 2%;
  z-index: 3;
  transform: rotate(-3deg);
}

.settings-sheet__label {
  margin-bottom: 12px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.settings-line,
.route-choice {
  display: flex;
  min-height: 56px;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--color-divider);
  font-weight: 750;
}

.settings-line__dot {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-dot-ring);
}

.settings-line__dot--honey {
  background: var(--color-honey);
}

.settings-line__dot--success {
  background: var(--color-success);
}

.settings-line__value,
.route-choice__state {
  margin-left: auto;
  color: var(--color-text-muted);
  font-size: 13px;
}

.settings-chip {
  position: absolute;
  z-index: 4;
  display: inline-flex;
  max-width: 100%;
  min-height: 42px;
  padding: 9px 17px;
  overflow: hidden;
  align-items: center;
  border: 1px solid var(--color-glass-stroke);
  border-radius: var(--radius-pill);
  background: var(--color-glass);
  color: var(--color-text);
  box-shadow: inset 0 1px 0 var(--color-glass-highlight), var(--shadow-soft);
  backdrop-filter: blur(14px);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.settings-chip--rule {
  top: 30px;
  left: 4%;
}

.settings-chip--demand {
  right: 1%;
  bottom: 14px;
}

.feature-intro {
  padding-bottom: 76px;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.principle-grid .card:nth-child(2) {
  transform: translateY(22px);
}

.principle-grid .card p:last-child {
  color: var(--color-text-muted);
}

.feature-purchase-note {
  margin-top: 56px;
}

.feature-guide {
  position: relative;
  padding-top: 36px;
}

.feature-toc {
  margin-bottom: 28px;
}

.feature-article {
  min-width: 0;
}

.feature-section {
  padding-top: 88px;
  padding-bottom: 88px;
  scroll-margin-top: calc(var(--header-height) + 72px);
}

.feature-section + .feature-section {
  border-top: 1px solid var(--color-border);
}

.feature-section:nth-child(even) {
  position: relative;
}

.feature-section:nth-child(even)::before {
  position: absolute;
  inset: 34px calc(var(--gutter) * -0.45);
  z-index: -1;
  border-radius: var(--radius-card-lg);
  background: var(--color-panel-rose);
  content: "";
}

.feature-section .section-heading {
  margin-bottom: 38px;
}

.feature-section > p,
.feature-section > h3,
.feature-section > ol,
.feature-section > pre,
.feature-section > .callout {
  max-width: var(--reading-width);
}

.feature-section h3 {
  margin-top: 34px;
}

.feature-section .data-table {
  margin-top: 34px;
  margin-bottom: 34px;
}

.rule-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.step-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.step-strip > div {
  padding: 24px;
  border-radius: var(--radius-card);
  background: var(--color-bg);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
}

.step-strip__number {
  display: grid;
  width: 36px;
  height: 36px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent-dark);
  color: var(--color-on-dark);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
}

.step-strip strong {
  display: block;
  margin-bottom: 8px;
}

.step-strip p {
  color: var(--color-text-muted);
}

.setting-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.setting-cards .card-soft:nth-child(2),
.setting-cards .card-soft:nth-child(3) {
  background: var(--color-panel-rose);
}

.setting-cards h3 {
  margin-top: 0;
}

.setting-cards p {
  color: var(--color-text-muted);
}

.setting-cards strong {
  color: var(--color-text);
}

.diagnostic-steps {
  padding-left: 24px;
}

.diagnostic-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 42px;
}

.diagnostic-map article {
  padding: 26px;
  border-radius: var(--radius-card);
  background: var(--color-bg);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
}

.diagnostic-map h3 {
  margin-top: 20px;
  font-size: 21px;
}

.diagnostic-map p {
  color: var(--color-text-muted);
}

.workflow-list {
  display: grid;
  gap: 16px;
}

.workflow-list article {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 22px;
  padding: 26px;
  align-items: start;
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-text);
}

.workflow-list article:nth-child(even) {
  background: var(--color-panel-rose);
}

.workflow-list__index {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 800;
}

.workflow-list h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 21px;
}

.workflow-list p {
  color: var(--color-text-muted);
}

.feature-section .end-store-card {
  max-width: none;
  margin-top: 60px;
}

.feature-section--last {
  padding-bottom: 24px;
}

.platform-note {
  margin-top: 112px;
}

@media (max-width: 1180px) {
  .features-hero__grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .features-hero__copy {
    max-width: 760px;
  }

  .settings-stage {
    width: min(100%, 720px);
  }

  .principle-grid {
    grid-template-columns: 1fr 1fr;
  }

  .principle-grid .card:nth-child(2) {
    transform: none;
  }

  .principle-grid .card:last-child {
    grid-column: 1 / -1;
  }

  .diagnostic-map {
    grid-template-columns: 1fr 1fr;
  }

  .diagnostic-map article:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .features-hero {
    padding-top: 58px;
    padding-bottom: 68px;
  }

  .features-hero__sub {
    font-size: 18px;
  }

  .settings-stage {
    min-height: 430px;
  }

  .settings-stage__glow {
    inset: 8% 2% 4% 8%;
  }

  .settings-sheet {
    width: 84%;
  }

  .settings-sheet--back {
    top: 34px;
  }

  .settings-sheet--front {
    bottom: 32px;
  }

  .settings-chip--rule {
    top: 14px;
  }

  .principle-grid,
  .rule-grid,
  .step-strip,
  .setting-cards,
  .diagnostic-map {
    grid-template-columns: 1fr;
  }

  .principle-grid .card:last-child,
  .diagnostic-map article:last-child {
    grid-column: auto;
  }

  .feature-section {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .feature-section:nth-child(even)::before {
    inset: 24px calc(var(--gutter) * -0.25);
  }

  .feature-guide {
    padding-top: 24px;
  }

  .platform-note {
    margin-top: 76px;
  }
}

@media (max-width: 520px) {
  .settings-stage {
    min-height: 390px;
  }

  .settings-sheet {
    width: 92%;
    padding: 18px;
  }

  .settings-sheet--back {
    display: none;
  }

  .settings-sheet--front {
    left: 4%;
    transform: none;
  }

  .settings-chip--demand {
    right: 0;
    bottom: 4px;
  }

  .settings-chip {
    font-size: 12px;
  }

  .workflow-list article {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 22px;
  }

  .step-strip > div,
  .diagnostic-map article {
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .principle-grid .card:nth-child(2),
  .settings-sheet--back,
  .settings-sheet--front,
  .settings-stage__glow {
    transform: none;
  }
}