:root {
  --sp-feature-bg-size: 600px;
  --sp-feature-hero-content-max: 700px;
  --sp-feature-subtitle-max: 600px;
}

body {
  font-family: var(--sp-font-sans);
  color: var(--sp-color-text);
  background: var(--sp-color-bg);
  line-height: var(--sp-leading-normal);
}

.feature-background {
  position: fixed;
  inset: 0;
  z-index: var(--sp-z-behind);
  background: linear-gradient(180deg, var(--sp-color-bg) 0%, var(--sp-color-surface) 100%);
}

.feature-background::before {
  content: '';
  position: fixed;
  top: -150px;
  right: -150px;
  width: var(--sp-feature-bg-size);
  height: var(--sp-feature-bg-size);
  border-radius: var(--sp-radius-full);
  background: radial-gradient(circle,
    oklch(0.75 0.16 52 / 0.35) 0%,
    oklch(0.75 0.16 52 / 0.06) 70%,
    transparent 100%);
  pointer-events: none;
}

.feature-page {
  padding-top: var(--sp-header-height);
}

.container {
  max-width: var(--sp-container-max);
  margin: 0 auto;
  padding: 0 var(--sp-space-6);
}


.feature-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--sp-space-24) var(--sp-space-8) var(--sp-space-16);
  position: relative;
}

.feature-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--sp-color-border) 20%,
    var(--sp-color-primary) 50%,
    var(--sp-color-border) 80%,
    transparent 100%);
}


.feature-hero-content {
  max-width: var(--sp-feature-hero-content-max);
  text-align: center;
}

.feature-icon {
  width: var(--sp-space-3xl);
  height: var(--sp-space-3xl);
  margin: 0 auto var(--sp-space-6);
  color: var(--sp-color-primary);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-headline {
  font-family: var(--sp-font-brand);
  font-size: var(--sp-text-4xl);
  font-weight: var(--sp-font-normal);
  text-transform: uppercase;
  letter-spacing: var(--sp-tracking-wide);
  line-height: var(--sp-leading-tight);
  margin-bottom: var(--sp-space-6);
  color: var(--sp-color-text);
}

.feature-headline .highlight {
  color: var(--sp-color-primary);
  display: block;
}

.feature-subtitle {
  font-size: var(--sp-text-xl);
  color: var(--sp-color-text-secondary);
  line-height: var(--sp-leading-relaxed);
  max-width: var(--sp-feature-subtitle-max);
  margin: 0 auto;
}


.feature-highlights {
  padding: var(--sp-space-12) 0;
}

.highlights-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.highlight-item {
  list-style: none;
  background: linear-gradient(135deg, oklch(0.75 0.16 52 / 0.05) 0%, transparent 60%);
  border: 1px solid var(--sp-color-border);
  border-radius: var(--sp-corners-sm);
  transition: border-color var(--sp-duration-normal) var(--sp-ease-out),
              box-shadow var(--sp-duration-normal) var(--sp-ease-out),
              transform var(--sp-duration-normal) var(--sp-ease-out);
}

.highlight-item:hover {
  border-color: var(--sp-color-primary);
  box-shadow: var(--sp-shadow-md);
  transform: translateY(-2px);
}

.highlight-link {
  display: flex;
  align-items: center;
  padding: var(--sp-space-4) var(--sp-space-6);
  text-decoration: none;
  cursor: pointer;
  height: 100%;
}

.highlight-link:hover {
  text-decoration: none;
}

.highlight-bullet {
  display: none;
}

.highlight-text {
  color: var(--sp-color-text);
  font-size: var(--sp-text-sm);
  line-height: var(--sp-leading-snug);
}

@media (prefers-reduced-motion: reduce) {
  .highlight-item {
    transition: none;
  }

  .highlight-item:hover {
    transform: none;
  }
}


.feature-content {
  padding: var(--sp-space-24) 0;
}

.feature-article {
  max-width: 800px;
  margin: 0 auto;
}


.feature-article h2 {
  font-family: var(--sp-font-brand);
  font-size: var(--sp-text-2xl);
  font-weight: var(--sp-font-normal);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-top: var(--sp-space-16);
  margin-bottom: var(--sp-space-6);
  color: var(--sp-color-primary);
}

.feature-article h2:first-child {
  margin-top: 0;
}

.feature-article h3 {
  font-size: var(--sp-text-xl);
  font-weight: var(--sp-font-semibold);
  margin-top: var(--sp-space-12);
  margin-bottom: var(--sp-space-4);
  color: var(--sp-color-text);
}

.feature-article h4 {
  font-size: var(--sp-text-lg);
  font-weight: var(--sp-font-semibold);
  margin-top: var(--sp-space-8);
  margin-bottom: var(--sp-space-2);
  color: var(--sp-color-text);
}

.feature-article p {
  color: var(--sp-color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--sp-space-6);
}

.feature-article ul,
.feature-article ol {
  color: var(--sp-color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--sp-space-6);
  padding-left: var(--sp-space-8);
}

.feature-article li {
  margin-bottom: var(--sp-space-2);
}

.feature-article a {
  color: var(--sp-color-primary);
  text-decoration: none;
  transition: color var(--sp-duration-fast) var(--sp-ease-out);
}

.feature-article a:hover {
  color: var(--sp-color-primary-hover);
  text-decoration: underline;
}

.feature-article blockquote {
  border-left: 3px solid var(--sp-color-primary);
  padding-left: var(--sp-space-6);
  margin: var(--sp-space-8) 0;
  font-style: italic;
  color: var(--sp-color-text-secondary);
}

.feature-article pre {
  background: var(--sp-color-surface);
  border: 1px solid var(--sp-color-border);
  border-radius: var(--sp-corners-sm);
  padding: var(--sp-space-6);
  overflow-x: auto;
  margin: var(--sp-space-8) 0;
}

.feature-article code {
  font-family: "SF Mono", "Fira Code", Consolas, monospace;
  font-size: var(--sp-text-sm);
}

.feature-article pre code {
  color: var(--sp-color-text-secondary);
  line-height: var(--sp-leading-normal);
}

.feature-article p code,
.feature-article li code {
  background: var(--sp-color-surface);
  border: 1px solid var(--sp-color-border);
  border-radius: var(--sp-radius-sm);
  padding: 0.125rem 0.375rem;
  font-size: 0.875em;
  color: var(--sp-color-primary);
}

.feature-article img {
  max-width: 100%;
  height: auto;
  border-radius: var(--sp-corners-md);
  margin: var(--sp-space-8) 0;
}

.feature-article hr {
  border: none;
  border-top: 1px solid var(--sp-color-border);
  margin: var(--sp-space-16) 0;
}

.feature-article table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--sp-space-8) 0;
}

.feature-article th,
.feature-article td {
  border: 1px solid var(--sp-color-border);
  padding: var(--sp-space-4);
  text-align: left;
}

.feature-article th {
  background: var(--sp-color-surface);
  color: var(--sp-color-text);
  font-weight: var(--sp-font-semibold);
}

.feature-article td {
  color: var(--sp-color-text-secondary);
}


.related-features {
  padding: var(--sp-space-24) 0;
  border-top: 1px solid var(--sp-color-border);
}

.related-features h2 {
  font-family: var(--sp-font-brand);
  font-size: var(--sp-text-2xl);
  font-weight: var(--sp-font-normal);
  text-transform: uppercase;
  letter-spacing: var(--sp-tracking-wide);
  text-align: center;
  margin-bottom: var(--sp-space-12);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-space-6);
}

.related-card {
  display: block;
  text-decoration: none;
  padding: var(--sp-space-8);
  background: var(--sp-card-bg-glass);
  border: 1px solid var(--sp-color-border);
  border-radius: var(--sp-card-radius);
  transition: border-color var(--sp-duration-normal) var(--sp-ease-out),
              transform var(--sp-duration-normal) var(--sp-ease-out),
              box-shadow var(--sp-duration-normal) var(--sp-ease-out);
  position: relative;
}

.related-card:hover {
  text-decoration: none;
  border-color: var(--sp-primitive-orange-600);
  transform: translateY(-4px);
  box-shadow: var(--sp-card-shadow-hover);
}

.related-card h3 {
  font-size: var(--sp-text-lg);
  font-weight: var(--sp-font-semibold);
  margin-bottom: var(--sp-space-2);
  color: var(--sp-color-text);
}

.related-card p {
  color: var(--sp-color-text-secondary);
  font-size: var(--sp-text-sm);
  line-height: var(--sp-leading-relaxed);
  margin-bottom: var(--sp-space-4);
}

.related-arrow {
  color: var(--sp-color-primary);
  font-size: var(--sp-text-xl);
  opacity: 0;
  transition: opacity var(--sp-duration-normal) var(--sp-ease-out),
              transform var(--sp-duration-normal) var(--sp-ease-out);
  position: absolute;
  bottom: var(--sp-space-6);
  right: var(--sp-space-6);
}

.related-card:hover .related-arrow {
  opacity: 1;
  transform: translateX(4px);
}

@media (prefers-reduced-motion: reduce) {
  .related-card {
    transition: none;
  }

  .related-card:hover {
    transform: none;
  }

  .related-arrow {
    transition: none;
  }
}


.feature-final-cta {
  padding: var(--sp-space-24) 0;
  text-align: center;
  border-top: 1px solid var(--sp-color-border);
}

.feature-final-cta h2 {
  font-family: var(--sp-font-brand);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--sp-space-4);
}

.feature-final-cta p {
  font-size: 1.25rem;
  color: var(--sp-color-text-secondary);
  margin-bottom: var(--sp-space-8);
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: var(--sp-space-6);
  flex-wrap: wrap;
}


.primary-cta {
  display: inline-block;
  padding: var(--sp-space-4) var(--sp-space-8);
  background: linear-gradient(135deg, var(--sp-orange-600), var(--sp-orange-500));
  color: var(--sp-color-text-on-primary);
  font-family: var(--sp-font-brand);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: var(--sp-radius-md);
  transition: background-color var(--sp-duration-fast) var(--sp-ease-out), color var(--sp-duration-fast) var(--sp-ease-out), border-color var(--sp-duration-fast) var(--sp-ease-out), box-shadow var(--sp-duration-fast) var(--sp-ease-out), transform var(--sp-duration-fast) var(--sp-ease-out);
  box-shadow: 0 4px 20px oklch(0.72 0.17 52 / 0.3);
}

.primary-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px oklch(0.72 0.17 52 / 0.4);
  text-decoration: none;
}

.secondary-cta {
  display: inline-block;
  padding: var(--sp-space-4) var(--sp-space-8);
  background: transparent;
  color: var(--sp-color-primary);
  font-family: var(--sp-font-brand);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border: 1px solid var(--sp-color-primary);
  border-radius: var(--sp-radius-md);
  transition: background-color var(--sp-duration-fast) var(--sp-ease-out), color var(--sp-duration-fast) var(--sp-ease-out), border-color var(--sp-duration-fast) var(--sp-ease-out), box-shadow var(--sp-duration-fast) var(--sp-ease-out);
}

.secondary-cta:hover {
  background: oklch(0.72 0.17 52 / 0.1);
  text-decoration: none;
}


@media (max-width: 768px) {
  .feature-hero {
    padding: var(--sp-space-12) var(--sp-space-4);
  }

  .feature-hero-content {
    max-width: 100%;
  }

  .feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--sp-space-4);
  }

  .feature-headline {
    font-size: var(--sp-text-3xl);
  }

  .feature-highlights {
    padding: var(--sp-space-12) 0;
  }

  .highlights-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-space-4);
  }

  .highlight-item {
    padding: var(--sp-space-4);
  }

  .feature-content {
    padding: var(--sp-space-12) 0;
  }

  .feature-article h2 {
    font-size: var(--sp-text-2xl);
    margin-top: var(--sp-space-12);
  }

  .feature-article h3 {
    font-size: var(--sp-text-xl);
  }

  .related-features {
    padding: var(--sp-space-12) 0;
  }

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

  .feature-final-cta {
    padding: var(--sp-space-12) 0;
  }

  .cta-group {
    flex-direction: column;
    align-items: center;
  }
}


@media (max-width: 480px) {
  .container {
    padding: 0 var(--sp-space-2);
  }

  .feature-hero {
    padding: var(--sp-space-6) var(--sp-space-2);
  }

  .feature-headline {
    font-size: var(--sp-text-2xl);
  }

  .feature-subtitle {
    font-size: var(--sp-text-base);
  }

  .feature-highlights {
    padding: var(--sp-space-8) 0;
  }

  .feature-content {
    padding: var(--sp-space-8) 0;
  }

  .related-features {
    padding: var(--sp-space-8) 0;
  }

  .feature-final-cta {
    padding: var(--sp-space-8) 0;
  }
}


:root {
  --sp-feature-bg-size: 600px;
  --sp-feature-hero-content-max: 700px;
}

body {
  font-family: var(--sp-font-sans);
  color: var(--sp-color-text);
  background: var(--sp-color-bg);
  line-height: var(--sp-leading-normal);
}

.feature-background {
  position: fixed;
  inset: 0;
  z-index: var(--sp-z-behind);
  background: linear-gradient(180deg, var(--sp-color-bg) 0%, var(--sp-color-surface) 100%);
}

.feature-background::before {
  content: '';
  position: fixed;
  top: -150px;
  right: -150px;
  width: var(--sp-feature-bg-size);
  height: var(--sp-feature-bg-size);
  border-radius: var(--sp-radius-full);
  background: radial-gradient(circle,
    oklch(0.75 0.16 52 / 0.35) 0%,
    oklch(0.75 0.16 52 / 0.06) 70%,
    transparent 100%);
  pointer-events: none;
}

.feature-page {
  padding-top: var(--sp-header-height);
}

.container {
  max-width: var(--sp-container-max);
  margin: 0 auto;
  padding: 0 var(--sp-space-6);
}


.feature-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--sp-space-24) var(--sp-space-8) var(--sp-space-16);
  position: relative;
}

.feature-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--sp-color-border) 20%,
    var(--sp-color-primary) 50%,
    var(--sp-color-border) 80%,
    transparent 100%);
}

.feature-hero-content {
  text-align: center;
  max-width: var(--sp-feature-hero-content-max);
}

.feature-icon {
  width: var(--sp-space-3xl);
  height: var(--sp-space-3xl);
  margin: 0 auto var(--sp-space-6);
  color: var(--sp-color-primary);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-headline {
  font-family: var(--sp-font-brand);
  font-size: var(--sp-text-4xl);
  font-weight: var(--sp-font-normal);
  text-transform: uppercase;
  letter-spacing: var(--sp-tracking-wide);
  line-height: var(--sp-leading-tight);
  margin-bottom: var(--sp-space-6);
  color: var(--sp-color-text);
}

.feature-headline .highlight {
  color: var(--sp-color-primary);
  display: block;
}

.feature-subtitle {
  font-size: var(--sp-text-xl);
  color: var(--sp-color-text-secondary);
  line-height: var(--sp-leading-relaxed);
  max-width: var(--sp-feature-subtitle-max);
  margin: 0 auto;
}


.feature-highlights {
  padding: var(--sp-space-16) 0;
  border-bottom: 1px solid var(--sp-color-border);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-space-6);
  list-style: none;
  padding: 0;
  margin: 0;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: var(--sp-space-4);
  padding: var(--sp-space-6);
  background: linear-gradient(135deg, oklch(0.75 0.16 52 / 0.05) 0%, transparent 60%);
  border: 1px solid var(--sp-color-border);
  border-radius: var(--sp-card-radius);
  transition: border-color var(--sp-duration-normal) var(--sp-ease-out),
              transform var(--sp-duration-normal) var(--sp-ease-out),
              box-shadow var(--sp-duration-normal) var(--sp-ease-out);
}

.highlight-item:hover {
  border-color: var(--sp-primitive-orange-600);
  transform: translateY(-2px);
  box-shadow: var(--sp-shadow-md);
}

.highlight-bullet {
  color: var(--sp-color-primary);
  font-size: var(--sp-text-xl);
  flex-shrink: 0;
}

.highlight-text {
  color: var(--sp-color-text);
  font-size: var(--sp-text-base);
  line-height: var(--sp-leading-normal);
}


.feature-section {
  padding: var(--sp-space-24) 0;
  border-bottom: 1px solid var(--sp-color-border);
}

.feature-section:last-of-type {
  border-bottom: none;
}

.section-title {
  font-family: var(--sp-font-brand);
  font-size: var(--sp-text-3xl);
  font-weight: var(--sp-font-normal);
  text-transform: uppercase;
  letter-spacing: var(--sp-tracking-wide);
  color: var(--sp-color-primary);
  margin-bottom: var(--sp-space-6);
}

.section-content {
  font-size: var(--sp-text-lg);
  line-height: 1.8;
  color: var(--sp-color-text-secondary);
  max-width: 800px;
  margin-bottom: var(--sp-space-12);
}

.section-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--sp-space-8);
}

.section-item {
  display: flex;
  gap: var(--sp-space-6);
  padding: var(--sp-space-8);
  background: linear-gradient(135deg, oklch(0.75 0.16 52 / 0.05) 0%, transparent 60%);
  border: 1px solid var(--sp-color-border);
  border-radius: var(--sp-card-radius);
  transition: border-color var(--sp-duration-normal) var(--sp-ease-out),
              transform var(--sp-duration-normal) var(--sp-ease-out),
              box-shadow var(--sp-duration-normal) var(--sp-ease-out);
}

.section-item:hover {
  border-color: var(--sp-primitive-orange-700);
  transform: translateY(-2px);
  box-shadow: var(--sp-shadow-md);
}

.item-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  color: var(--sp-color-primary);
}

.item-icon svg {
  width: 100%;
  height: 100%;
}

.item-content h3 {
  font-size: var(--sp-text-lg);
  font-weight: var(--sp-font-semibold);
  color: var(--sp-color-text);
  margin-bottom: var(--sp-space-2);
}

.item-content p {
  font-size: var(--sp-text-sm);
  line-height: var(--sp-leading-relaxed);
  color: var(--sp-color-text-secondary);
  margin: 0;
}

.related-features {
  padding: var(--sp-space-24) 0;
  border-top: 1px solid var(--sp-color-border);
}

.related-features h2 {
  font-family: var(--sp-font-brand);
  font-size: var(--sp-text-2xl);
  font-weight: var(--sp-font-normal);
  text-transform: uppercase;
  letter-spacing: var(--sp-tracking-wide);
  text-align: center;
  margin-bottom: var(--sp-space-12);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-space-6);
}

.related-card {
  display: block;
  text-decoration: none;
  padding: var(--sp-space-8);
  background: var(--sp-card-bg-glass);
  border: 1px solid var(--sp-color-border);
  border-radius: var(--sp-card-radius);
  transition: border-color var(--sp-duration-normal) var(--sp-ease-out),
              transform var(--sp-duration-normal) var(--sp-ease-out),
              box-shadow var(--sp-duration-normal) var(--sp-ease-out);
  position: relative;
}

.related-card:hover {
  text-decoration: none;
  border-color: var(--sp-primitive-orange-600);
  transform: translateY(-4px);
  box-shadow: var(--sp-card-shadow-hover);
}

.related-card h3 {
  font-size: var(--sp-text-lg);
  font-weight: var(--sp-font-semibold);
  margin-bottom: var(--sp-space-2);
  color: var(--sp-color-text);
}

.related-card p {
  color: var(--sp-color-text-secondary);
  font-size: var(--sp-text-sm);
  line-height: var(--sp-leading-relaxed);
  margin-bottom: var(--sp-space-4);
}

.related-arrow {
  color: var(--sp-color-primary);
  font-size: var(--sp-text-xl);
  opacity: 0;
  transition: opacity var(--sp-duration-normal) var(--sp-ease-out),
              transform var(--sp-duration-normal) var(--sp-ease-out);
  position: absolute;
  bottom: var(--sp-space-6);
  right: var(--sp-space-6);
}

.related-card:hover .related-arrow {
  opacity: 1;
  transform: translateX(4px);
}

@media (prefers-reduced-motion: reduce) {
  .highlight-item,
  .section-item,
  .related-card {
    transition: none;
  }

  .highlight-item:hover,
  .section-item:hover,
  .related-card:hover {
    transform: none;
  }

  .related-arrow {
    transition: none;
  }
}


.feature-final-cta {
  padding: var(--sp-space-24) 0;
  text-align: center;
  border-top: 1px solid var(--sp-color-border);
}

.feature-final-cta h2 {
  font-family: var(--sp-font-brand);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--sp-space-4);
}

.feature-final-cta p {
  font-size: 1.25rem;
  color: var(--sp-color-text-secondary);
  margin-bottom: var(--sp-space-8);
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: var(--sp-space-6);
  flex-wrap: wrap;
}


.primary-cta {
  display: inline-block;
  padding: var(--sp-space-4) var(--sp-space-8);
  background: linear-gradient(135deg, var(--sp-orange-600), var(--sp-orange-500));
  color: var(--sp-color-text-on-primary);
  font-family: var(--sp-font-brand);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: var(--sp-radius-md);
  transition: background-color var(--sp-duration-fast) var(--sp-ease-out), color var(--sp-duration-fast) var(--sp-ease-out), border-color var(--sp-duration-fast) var(--sp-ease-out), box-shadow var(--sp-duration-fast) var(--sp-ease-out), transform var(--sp-duration-fast) var(--sp-ease-out);
  box-shadow: 0 4px 20px oklch(0.72 0.17 52 / 0.3);
}

.primary-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px oklch(0.72 0.17 52 / 0.4);
  text-decoration: none;
}

.secondary-cta {
  display: inline-block;
  padding: var(--sp-space-4) var(--sp-space-8);
  background: transparent;
  color: var(--sp-color-primary);
  font-family: var(--sp-font-brand);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border: 1px solid var(--sp-color-primary);
  border-radius: var(--sp-radius-md);
  transition: background-color var(--sp-duration-fast) var(--sp-ease-out), color var(--sp-duration-fast) var(--sp-ease-out), border-color var(--sp-duration-fast) var(--sp-ease-out), box-shadow var(--sp-duration-fast) var(--sp-ease-out);
}

.secondary-cta:hover {
  background: oklch(0.72 0.17 52 / 0.1);
  text-decoration: none;
}


.highlight-link {
  display: flex;
  align-items: center;
  gap: var(--sp-space-4);
  text-decoration: none;
  color: inherit;
  width: 100%;
  height: 100%;
}

.highlight-link:hover {
  text-decoration: none;
}


:root {
  --sp-detail-text-max: 800px;
}

.detail-section {
  padding: var(--sp-space-24) 0;
  border-bottom: 1px solid var(--sp-color-border);
  scroll-margin-top: calc(var(--sp-header-height) + var(--sp-space-6));
}

.detail-section .container {
  max-width: var(--sp-detail-text-max);
}

.detail-title {
  font-family: var(--sp-font-brand);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--sp-color-primary);
  margin-bottom: var(--sp-space-6);
}

.detail-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--sp-color-text-secondary);
}

.detail-text p {
  margin-bottom: var(--sp-space-6);
}

.detail-text p:last-child {
  margin-bottom: 0;
}

.detail-bullets {
  margin-top: var(--sp-space-8);
  padding-left: 0;
  list-style: none;
}

.detail-bullets li {
  margin-bottom: var(--sp-space-4);
  color: var(--sp-color-text-secondary);
  padding-left: var(--sp-space-6);
  position: relative;
}

.detail-bullets li::before {
  content: '\25B8';
  position: absolute;
  left: 0;
  color: var(--sp-color-primary);
}

.detail-bullets li strong {
  color: var(--sp-color-text);
}

.detail-bullets li code,
.detail-text code {
  font-family: var(--sp-font-mono, monospace);
  font-size: 0.875em;
  padding: 0.1em 0.4em;
  border-radius: 4px;
  background: color-mix(in oklch, var(--sp-color-primary) 12%, transparent);
  color: var(--sp-color-text);
  white-space: nowrap;
}

.detail-references {
  margin-top: var(--sp-space-8);
  padding: 0;
}

.detail-references-label {
  display: block;
  font-family: var(--sp-font-brand);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sp-color-text-secondary);
  opacity: 0.6;
  margin-bottom: var(--sp-space-2);
}

.detail-references-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.detail-references-list li {
  margin-bottom: var(--sp-space-1, 0.25rem);
}

.detail-references-list li a {
  display: grid;
  grid-template-columns: auto minmax(0, max-content) minmax(0, 1fr);
  align-items: baseline;
  column-gap: 0.5em;
  font-size: 0.8rem;
  color: var(--sp-color-text-secondary);
  text-decoration: none;
  transition: color 0.15s;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .detail-references-list li a {
    grid-template-columns: auto 1fr;
  }
  .detail-references-list li a .ref-desc {
    grid-column: 2;
  }
}

.detail-references-list li a::before {
  content: '';
  flex-shrink: 0;
  width: 0.9em;
  height: 0.9em;
  align-self: center;
  background-color: currentColor;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 98 96'%3E%3Cpath d='M48.854 0C21.839 0 0 22 0 49.217c0 21.756 13.993 40.172 33.405 46.69 2.427.49 3.316-1.059 3.316-2.362 0-1.141-.08-5.052-.08-9.127-13.59 2.934-16.42-5.867-16.42-5.867-2.184-5.704-5.42-7.17-5.42-7.17-4.448-3.015.324-3.015.324-3.015 4.934.326 7.523 5.052 7.523 5.052 4.367 7.496 11.404 5.378 14.235 4.074.404-3.178 1.699-5.378 3.074-6.6-10.839-1.141-22.243-5.378-22.243-24.283 0-5.378 1.94-9.778 5.014-13.2-.485-1.222-2.184-6.275.486-13.038 0 0 4.125-1.304 13.426 5.052a46.97 46.97 0 0 1 12.214-1.63c4.125 0 8.33.571 12.213 1.63 9.302-6.356 13.427-5.052 13.427-5.052 2.67 6.763.97 11.816.485 13.038 3.155 3.422 5.015 7.822 5.015 13.2 0 18.905-11.404 23.06-22.324 24.283 1.78 1.548 3.316 4.481 3.316 9.126 0 6.6-.08 11.897-.08 13.526 0 1.304.89 2.853 3.316 2.364 19.412-6.52 33.405-24.935 33.405-46.691C97.707 22 75.788 0 48.854 0z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 98 96'%3E%3Cpath d='M48.854 0C21.839 0 0 22 0 49.217c0 21.756 13.993 40.172 33.405 46.69 2.427.49 3.316-1.059 3.316-2.362 0-1.141-.08-5.052-.08-9.127-13.59 2.934-16.42-5.867-16.42-5.867-2.184-5.704-5.42-7.17-5.42-7.17-4.448-3.015.324-3.015.324-3.015 4.934.326 7.523 5.052 7.523 5.052 4.367 7.496 11.404 5.378 14.235 4.074.404-3.178 1.699-5.378 3.074-6.6-10.839-1.141-22.243-5.378-22.243-24.283 0-5.378 1.94-9.778 5.014-13.2-.485-1.222-2.184-6.275.486-13.038 0 0 4.125-1.304 13.426 5.052a46.97 46.97 0 0 1 12.214-1.63c4.125 0 8.33.571 12.213 1.63 9.302-6.356 13.427-5.052 13.427-5.052 2.67 6.763.97 11.816.485 13.038 3.155 3.422 5.015 7.822 5.015 13.2 0 18.905-11.404 23.06-22.324 24.283 1.78 1.548 3.316 4.481 3.316 9.126 0 6.6-.08 11.897-.08 13.526 0 1.304.89 2.853 3.316 2.364 19.412-6.52 33.405-24.935 33.405-46.691C97.707 22 75.788 0 48.854 0z'/%3E%3C/svg%3E");
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}

.ref-label {
  font-family: var(--sp-font-mono, monospace);
  font-weight: 500;
  white-space: nowrap;
}

.ref-desc {
  color: var(--sp-color-text-tertiary, oklch(0.55 0.01 50));
  font-family: var(--sp-font-body, sans-serif);
  font-size: 0.75rem;
}

.ref-desc::before {
  content: '\2014\00a0';
}

.detail-references-list li a:hover {
  color: var(--sp-color-primary);
}

.detail-references-list li a:hover .ref-label {
  text-decoration: underline;
}


@media (max-width: 1024px) {
  .feature-hero {
    padding: var(--sp-space-16) var(--sp-space-6);
  }
}


@media (max-width: 768px) {
  .feature-icon {
    width: 56px;
    height: 56px;
  }

  .feature-headline {
    font-size: var(--sp-text-2xl);
  }

  .feature-highlights {
    padding: var(--sp-space-12) 0;
  }

  .highlights-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-space-4);
  }

  .highlight-item {
    padding: var(--sp-space-4);
  }

  .feature-section {
    padding: var(--sp-space-12) 0;
  }

  .section-title {
    font-size: var(--sp-text-2xl);
  }

  .section-items {
    grid-template-columns: 1fr;
    gap: var(--sp-space-6);
  }

  .section-item {
    flex-direction: column;
    gap: var(--sp-space-4);
    padding: var(--sp-space-6);
  }

  .item-icon {
    width: 32px;
    height: 32px;
  }

  .related-features {
    padding: var(--sp-space-12) 0;
  }

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

  .feature-final-cta {
    padding: var(--sp-space-12) 0;
  }

  .cta-group {
    flex-direction: column;
    align-items: center;
  }

  .detail-section {
    padding: var(--sp-space-12) 0;
  }
}


@media (max-width: 480px) {
  .container {
    padding: 0 var(--sp-space-4);
  }

  .feature-hero {
    padding: var(--sp-space-8) var(--sp-space-4);
  }

  .feature-subtitle {
    font-size: var(--sp-text-base);
  }
}


.feature-page {
  counter-reset: section-counter;
}

.detail-section {
  counter-increment: section-counter;
}

.detail-section:nth-child(even of .detail-section) {
  background: var(--sp-color-surface-alt);
}

.detail-section .container {
  max-width: 800px;
}

.detail-content {
  position: relative;
  border-left: 3px solid var(--sp-color-primary);
  padding-left: var(--sp-space-8);
}

.detail-number {
  font-family: var(--sp-font-brand);
  font-size: clamp(3.5rem, 7vw, 5rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--sp-color-primary);
  opacity: 0.25;
  margin-bottom: var(--sp-space-2);
  user-select: none;
}

.detail-number::before {
  content: counter(section-counter, decimal-leading-zero);
}

@media (max-width: 768px) {
  .detail-content {
    padding-left: var(--sp-space-6);
  }

  .detail-number {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
  }
}

@media (max-width: 480px) {
  .detail-content {
    border-left-width: 2px;
    padding-left: var(--sp-space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .detail-section {
    transition: none;
  }
}

/* Feature page hero diagram - displays SVG architecture diagrams in the hero section */

.feature-hero-diagram {
  width: 100%;
  max-width: 1100px;
  margin: var(--sp-space-16) auto 0;
  padding: 0 var(--sp-space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: var(--sp-color-text);
}

.feature-hero-diagram svg {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
}

.feature-hero-diagram::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  border-radius: var(--sp-radius-full);
  background: radial-gradient(circle,
    oklch(0.75 0.16 52 / 0.1) 0%,
    oklch(0.75 0.16 52 / 0.03) 40%,
    transparent 70%);
  pointer-events: none;
  z-index: 0;
}


@media (max-width: 768px) {
  .feature-hero-diagram {
    max-width: 100%;
    margin-top: var(--sp-space-6);
  }
}

.about {
  padding: var(--sp-space-24) 0;
  background: var(--sp-color-surface-alt);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-space-12);
  margin-top: var(--sp-space-12);
}
.about-heading {
  font-family: var(--sp-font-brand);
  font-size: var(--sp-text-xl);
  font-weight: 600;
  margin-bottom: var(--sp-space-4);
  color: var(--sp-color-text);
}
.about-description {
  font-size: var(--sp-text-base);
  color: var(--sp-color-text-secondary);
  line-height: var(--sp-leading-normal);
  margin: 0;
}
.engagement-steps {
  display: flex;
  flex-direction: column;
  gap: var(--sp-space-6);
}
.engagement-step {
  display: flex;
  gap: var(--sp-space-5);
  align-items: flex-start;
}
.engagement-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--sp-color-primary);
  color: var(--sp-color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sp-font-brand);
  font-weight: 700;
  font-size: var(--sp-text-lg);
}
.engagement-badge {
  display: inline-block;
  font-size: var(--sp-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sp-color-primary);
  margin-bottom: var(--sp-space-1);
}
.engagement-title {
  font-family: var(--sp-font-brand);
  font-size: var(--sp-text-lg);
  font-weight: 600;
  margin-bottom: var(--sp-space-1);
  color: var(--sp-color-text);
}
.engagement-description {
  font-size: var(--sp-text-sm);
  color: var(--sp-color-text-secondary);
  line-height: var(--sp-leading-normal);
  margin: 0;
}

.about-repo-link {
  margin-top: var(--sp-space-12);
  text-align: center;
}
.about-repo-link a {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-space-2);
  padding: var(--sp-space-3) var(--sp-space-6);
  font-family: var(--sp-font-brand);
  font-size: var(--sp-text-base);
  font-weight: 600;
  color: var(--sp-color-primary);
  text-decoration: none;
  border: 1px solid color-mix(in oklch, var(--sp-color-primary) 40%, transparent);
  border-radius: 8px;
  background: color-mix(in oklch, var(--sp-color-primary) 8%, transparent);
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.about-repo-link a:hover {
  background: color-mix(in oklch, var(--sp-color-primary) 16%, transparent);
  border-color: var(--sp-color-primary);
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-space-8);
  }
}

/* ── Demo Request Form ── */

.demo-form {
  padding: var(--sp-space-24) 0;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 100%, oklch(0.72 0.17 52 / 0.06), transparent 70%),
    var(--sp-color-final-cta-gradient);
}

/* ── Hero Section ── */

.demo-form__hero {
  max-width: 640px;
  margin: 0 auto var(--sp-space-10);
}

.demo-form__eyebrow {
  display: inline-block;
  font-size: var(--sp-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sp-color-primary);
  background: color-mix(in oklch, var(--sp-color-primary) 10%, transparent);
  padding: var(--sp-space-1) var(--sp-space-3);
  border-radius: var(--sp-radius-full, 9999px);
  margin-bottom: var(--sp-space-4);
}

.demo-form__heading {
  font-family: var(--sp-font-brand);
  font-size: var(--sp-text-4xl, clamp(1.75rem, 4vw, 2.5rem));
  font-weight: 700;
  margin-bottom: var(--sp-space-4);
  line-height: 1.15;
}

.demo-form__subheading {
  font-size: var(--sp-text-lg);
  color: var(--sp-color-text-secondary);
  margin-bottom: var(--sp-space-8);
  line-height: var(--sp-leading-relaxed, 1.7);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Preview Items (what you'll see) ── */

.demo-form__preview {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--sp-space-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-space-4);
  text-align: left;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.demo-form__preview-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-space-3);
}

.demo-form__preview-icon {
  flex-shrink: 0;
  color: var(--sp-color-primary);
  margin-top: 2px;
}

.demo-form__preview-label {
  display: block;
  font-size: var(--sp-text-sm);
  font-weight: 600;
  color: var(--sp-color-text);
  margin-bottom: 2px;
}

.demo-form__preview-desc {
  display: block;
  font-size: var(--sp-text-sm);
  color: var(--sp-color-text-secondary);
  line-height: var(--sp-leading-normal);
}

/* ── Time Commitment ── */

.demo-form__time-commitment {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-space-2);
  font-size: var(--sp-text-sm);
  color: var(--sp-color-text-secondary);
  font-weight: 500;
}

.demo-form__time-commitment svg {
  flex-shrink: 0;
  opacity: 0.6;
}

/* ── Card Container ── */

.demo-form__card {
  max-width: 520px;
  margin: 0 auto;
  padding: var(--sp-space-8) var(--sp-space-8) var(--sp-space-6);
  background: var(--sp-card-bg-glass);
  background-image: var(--sp-card-bg-gradient);
  border: var(--sp-card-border-width) solid color-mix(in oklch, var(--sp-color-primary) 20%, var(--sp-color-border));
  border-radius: var(--sp-corners-md);
  box-shadow: var(--sp-card-shadow);
}

/* ── Progress Indicator ── */

.demo-form__progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 0 auto var(--sp-space-6);
  max-width: 320px;
}

.demo-form__progress[hidden] {
  display: none;
}

.demo-form__progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-space-1);
  flex-shrink: 0;
}

.demo-form__progress-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--sp-text-sm);
  font-weight: 600;
  border: 2px solid var(--sp-color-border);
  color: var(--sp-color-text-secondary);
  background: var(--sp-color-surface);
  transition: all 300ms ease-out;
}

.demo-form__progress-step--active .demo-form__progress-dot {
  border-color: var(--sp-color-primary);
  color: var(--sp-color-text-on-primary);
  background: var(--sp-color-primary);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--sp-color-primary) 20%, transparent);
}

.demo-form__progress-step--complete .demo-form__progress-dot {
  border-color: var(--sp-color-primary);
  color: var(--sp-color-text-on-primary);
  background: var(--sp-color-primary);
}

.demo-form__progress-label {
  font-size: var(--sp-text-xs);
  color: var(--sp-color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  transition: color 300ms ease-out;
}

.demo-form__progress-step--active .demo-form__progress-label {
  color: var(--sp-color-primary);
}

.demo-form__progress-step--complete .demo-form__progress-label {
  color: var(--sp-color-primary);
}

.demo-form__progress-line {
  flex: 1;
  height: 2px;
  background: var(--sp-color-border);
  margin: 0 var(--sp-space-2);
  border-radius: 1px;
  position: relative;
  align-self: flex-start;
  margin-top: 18px;
  min-width: 40px;
}

.demo-form__progress-fill {
  position: absolute;
  inset: 0;
  background: var(--sp-color-primary);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 300ms ease-out;
}

.demo-form__progress-line--filled .demo-form__progress-fill {
  transform: scaleX(1);
}

/* ── Form Container ── */

.demo-form__form {
  text-align: left;
}

.demo-form__form[hidden] {
  display: none;
}

.demo-form__steps {
  position: relative;
  min-height: 200px;
}

.demo-form__step {
  border: 0;
  padding: 0;
  margin: 0;
  transition: opacity 300ms ease-out, transform 300ms ease-out;
}

.demo-form__step[hidden] {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateX(40px);
}

.demo-form__step--active {
  opacity: 1;
  transform: translateX(0);
}

.demo-form__step--exit-left {
  opacity: 0;
  transform: translateX(-40px);
}

.demo-form__step--enter-right {
  transform: translateX(40px);
}

.demo-form__step--enter-left {
  transform: translateX(-40px);
}

/* ── Fields ── */

.demo-form__field {
  margin-bottom: var(--sp-space-5);
}

.demo-form__label {
  display: block;
  font-size: var(--sp-text-sm);
  font-weight: 600;
  color: var(--sp-color-text);
  margin-bottom: var(--sp-space-2);
}

.demo-form__optional {
  font-weight: 400;
  color: var(--sp-color-text-secondary);
}

.demo-form__input-wrap {
  position: relative;
}

.demo-form__input,
.demo-form__select,
.demo-form__textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  line-height: 1.5;
  color: var(--sp-color-text);
  background: var(--sp-color-surface);
  border: 2px solid var(--sp-color-border);
  border-radius: var(--sp-radius-md);
  transition: border-color 200ms ease-out, box-shadow 200ms ease-out;
  appearance: none;
  -webkit-appearance: none;
  box-sizing: border-box;
}

.demo-form__input:focus,
.demo-form__select:focus,
.demo-form__textarea:focus {
  outline: none;
  border-color: var(--sp-color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--sp-color-primary) 15%, transparent);
}

.demo-form__input--valid {
  border-color: var(--sp-color-success);
}

.demo-form__input--valid:focus {
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--sp-color-success) 15%, transparent);
}

.demo-form__input--invalid {
  border-color: var(--sp-color-error);
}

.demo-form__input--invalid:focus {
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--sp-color-error) 15%, transparent);
}

.demo-form__select {
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}

[data-theme="dark"] .demo-form__select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23a1a1aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.demo-form__textarea {
  resize: vertical;
  min-height: 100px;
}

/* ── Validation Check ── */

.demo-form__check {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--sp-color-success);
  opacity: 0;
  transition: opacity 200ms ease-out;
  display: flex;
  align-items: center;
}

.demo-form__input--valid ~ .demo-form__check {
  opacity: 1;
}

.demo-form__error {
  display: block;
  font-size: var(--sp-text-xs);
  color: var(--sp-color-error);
  margin-top: var(--sp-space-1);
  min-height: 1.25em;
}

/* ── Character Counter ── */

.demo-form__char-count {
  display: block;
  text-align: right;
  font-size: var(--sp-text-xs);
  color: var(--sp-color-text-secondary);
  margin-top: var(--sp-space-1);
  transition: color 200ms ease-out;
}

.demo-form__char-count--warn {
  color: var(--sp-color-warning);
}

.demo-form__char-count--limit {
  color: var(--sp-color-error);
}

/* ── Navigation ── */

.demo-form__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-space-4);
  margin-top: var(--sp-space-6);
}

.demo-form__back {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-space-1);
  padding: 12px 20px;
  font-size: var(--sp-text-sm);
  font-weight: 600;
  color: var(--sp-color-text-secondary);
  background: transparent;
  border: 2px solid var(--sp-color-border);
  border-radius: var(--sp-radius-md);
  cursor: pointer;
  transition: border-color 200ms ease-out, color 200ms ease-out;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.demo-form__back:hover {
  border-color: var(--sp-color-text-secondary);
  color: var(--sp-color-text);
}

/* ── CTA button base (needed when primary-cta isn't in the page bundle) ── */
.demo-form .primary-cta {
  display: inline-block;
  padding: var(--sp-space-4) var(--sp-space-8);
  background: linear-gradient(135deg, var(--sp-orange-600), var(--sp-orange-500));
  color: var(--sp-color-text-on-primary);
  font-family: var(--sp-font-brand);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: var(--sp-radius-md);
  transition: background-color var(--sp-duration-fast) var(--sp-ease-out), box-shadow var(--sp-duration-fast) var(--sp-ease-out), transform var(--sp-duration-fast) var(--sp-ease-out);
  box-shadow: 0 4px 20px oklch(0.72 0.17 52 / 0.3);
}

.demo-form .primary-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px oklch(0.72 0.17 52 / 0.4);
  text-decoration: none;
}

/* Fix: override .primary-cta display: inline-flex which beats [hidden] */
.demo-form__back[hidden],
.demo-form__next[hidden],
.demo-form__submit[hidden] {
  display: none !important;
}

.demo-form__next,
.demo-form__submit {
  margin-left: auto;
  min-width: 160px;
  text-align: center;
  justify-content: center;
  border: none;
  cursor: pointer;
}

.demo-form__submit-spinner {
  animation: demo-spin 800ms linear infinite;
}

.demo-form__submit-spinner[hidden] {
  display: none;
}

.demo-form__submit--loading .demo-form__submit-text {
  display: none;
}

.demo-form__submit--loading .demo-form__submit-spinner {
  display: inline-flex;
}

@keyframes demo-spin {
  to { transform: rotate(360deg); }
}

/* ── Submit Error ── */

.demo-form__submit-error {
  margin-top: var(--sp-space-4);
  padding: var(--sp-space-4);
  background: color-mix(in oklch, var(--sp-color-error) 8%, var(--sp-color-surface));
  border: 1px solid color-mix(in oklch, var(--sp-color-error) 30%, transparent);
  border-radius: var(--sp-radius-md);
  text-align: center;
}

.demo-form__submit-error[hidden] {
  display: none;
}

.demo-form__submit-error p {
  font-size: var(--sp-text-sm);
  color: var(--sp-color-text);
  margin-bottom: var(--sp-space-2);
}

.demo-form__submit-error a {
  color: var(--sp-color-primary);
  text-decoration: underline;
}

.demo-form__retry {
  padding: 8px 16px;
  font-size: var(--sp-text-sm);
  font-weight: 600;
  color: var(--sp-color-error);
  background: transparent;
  border: 1px solid var(--sp-color-error);
  border-radius: var(--sp-radius-sm);
  cursor: pointer;
  transition: background 200ms ease-out;
}

.demo-form__retry:hover {
  background: color-mix(in oklch, var(--sp-color-error) 10%, transparent);
}

/* ── Success State ── */

.demo-form__success {
  padding: var(--sp-space-8) 0 var(--sp-space-4);
}

.demo-form__success[hidden] {
  display: none;
}

.demo-form__success-icon {
  color: var(--sp-color-success);
  margin-bottom: var(--sp-space-4);
}

.demo-form__success-circle {
  stroke-dasharray: 190;
  stroke-dashoffset: 190;
  animation: demo-circle 600ms ease-out forwards;
}

.demo-form__success-check {
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  animation: demo-check 400ms ease-out 400ms forwards;
}

@keyframes demo-circle {
  to { stroke-dashoffset: 0; }
}

@keyframes demo-check {
  to { stroke-dashoffset: 0; }
}

.demo-form__success-heading {
  font-family: var(--sp-font-brand);
  font-size: var(--sp-text-2xl);
  font-weight: 700;
  margin-bottom: var(--sp-space-2);
}

.demo-form__success-text {
  font-size: var(--sp-text-md);
  color: var(--sp-color-text-secondary);
  margin-bottom: var(--sp-space-6);
  line-height: var(--sp-leading-normal);
}

.demo-form__success-link {
  display: inline-block;
  font-size: var(--sp-text-sm);
  font-weight: 600;
  color: var(--sp-color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.demo-form__success-link:hover {
  color: var(--sp-color-primary-dark);
}

/* ── Trust Signals ── */

.demo-form__trust {
  display: flex;
  justify-content: center;
  gap: var(--sp-space-6);
  margin-top: var(--sp-space-6);
  padding-top: var(--sp-space-4);
  border-top: 1px solid var(--sp-color-border);
  flex-wrap: wrap;
}

.demo-form__trust[hidden] {
  display: none;
}

.demo-form__trust-item {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-space-1);
  font-size: var(--sp-text-xs);
  color: var(--sp-color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}

.demo-form__trust-item svg {
  flex-shrink: 0;
  opacity: 0.6;
}

/* ── Noscript ── */

.demo-form__noscript {
  font-size: var(--sp-text-md);
  color: var(--sp-color-text-secondary);
  padding: var(--sp-space-8) 0;
}

.demo-form__noscript a {
  color: var(--sp-color-primary);
  text-decoration: underline;
}

/* ── Guide Context ── */

.guide-post .demo-form {
  background: none;
  padding: var(--sp-space-12) 0 var(--sp-space-8);
  margin-top: var(--sp-space-8);
  border-top: 1px solid var(--sp-color-border);
}

/* ── Honeypot ── */

.demo-form__hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

/* ── Screen Reader Only ── */

.demo-form .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;
}

/* ── Reduced Motion ── */

@media (prefers-reduced-motion: reduce) {
  .demo-form__step,
  .demo-form__progress-dot,
  .demo-form__progress-fill,
  .demo-form__input,
  .demo-form__select,
  .demo-form__textarea,
  .demo-form__check,
  .demo-form__back {
    transition-duration: 0ms;
  }

  .demo-form__success-circle,
  .demo-form__success-check {
    animation: none;
    stroke-dashoffset: 0;
  }

  .demo-form__submit-spinner {
    animation-duration: 1.5s;
  }
}

/* ── Mobile Responsive ── */

@media (max-width: 768px) {
  .demo-form {
    padding: var(--sp-space-12) 0;
  }

  .demo-form__card {
    margin-left: var(--sp-space-4);
    margin-right: var(--sp-space-4);
    padding: var(--sp-space-6) var(--sp-space-5) var(--sp-space-4);
  }
}

@media (max-width: 480px) {
  .demo-form {
    padding: var(--sp-space-8) 0;
  }

  .demo-form__hero {
    margin-bottom: var(--sp-space-6);
  }

  .demo-form__heading {
    font-size: var(--sp-text-2xl);
  }

  .demo-form__heading br {
    display: none;
  }

  .demo-form__preview {
    gap: var(--sp-space-3);
  }

  .demo-form__preview-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .demo-form__time-commitment {
    flex-direction: column;
    text-align: center;
  }

  .demo-form__card {
    margin-left: var(--sp-space-3);
    margin-right: var(--sp-space-3);
    padding: var(--sp-space-5) var(--sp-space-4) var(--sp-space-4);
  }

  .demo-form__progress-label {
    display: none;
  }

  .demo-form__progress {
    max-width: 200px;
  }

  .demo-form__progress-line {
    margin-top: 18px;
  }

  .demo-form__nav {
    flex-direction: column-reverse;
    gap: var(--sp-space-3);
  }

  .demo-form__next,
  .demo-form__submit {
    width: 100%;
    margin-left: 0;
  }

  .demo-form__back {
    width: 100%;
    justify-content: center;
  }

  .demo-form__trust {
    flex-direction: column;
    align-items: center;
    gap: var(--sp-space-3);
  }
}