/**
 * [App] modular page widgets — biuCut-style, Bootstrap light/dark compatible.
 */
.ri-app-section {
  --ri-app-accent: #ff8a4c;
  --ri-app-accent-rgb: 255, 138, 76;
  --ri-app-card-bg: var(--bs-body-bg);
  --ri-app-card-border: var(--bs-border-color-translucent, rgba(0, 0, 0, 0.08));
  --ri-app-text-secondary: var(--bs-secondary-color);
  --ri-app-text-muted: var(--bs-tertiary-color, var(--bs-secondary-color));
  padding: 2.5rem 0;
}

.ri-app-section[style*="--ri-app-accent"] {
  /* accent set inline from widget config */
}

/* Hero */
.ri-app-hero {
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

.ri-app-hero__inner {
  max-width: 48rem;
  margin: 0 auto;
}

.ri-app-hero__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  margin-bottom: 1rem;
}

.ri-app-hero__logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.ri-app-hero__logo--icon {
  font-size: 2.75rem;
  color: var(--ri-app-accent);
}

.ri-app-hero__title {
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
}

.ri-app-hero__title-gradient {
  background: linear-gradient(to right, var(--ri-app-accent), var(--ri-app-accent-dark, #f97316));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ri-app-hero__tagline {
  margin: 1rem auto 0;
  max-width: 36rem;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  line-height: 1.55;
  color: var(--ri-app-text-secondary);
}

.ri-app-hero__tech {
  margin: 0.75rem 0 0;
  font-size: 0.875rem;
  color: var(--ri-app-text-muted);
}

.ri-app-hero__actions {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

@media (min-width: 576px) {
  .ri-app-hero__actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.ri-app-hero__btn {
  width: auto;
  min-width: 10rem;
}

.ri-app-btn--outline {
  background: transparent;
  color: var(--bs-body-color);
  border-color: var(--ri-app-card-border);
}

.ri-app-btn--outline:hover {
  background: var(--bs-tertiary-bg);
  color: var(--bs-body-color);
  border-color: var(--ri-app-card-border);
}

[data-bs-theme="dark"] .ri-app-section {
  --ri-app-card-bg: rgba(255, 255, 255, 0.04);
  --ri-app-card-border: rgba(255, 255, 255, 0.08);
}

.ri-app-sec-head {
  text-align: center;
  margin-bottom: 2rem;
}

.ri-app-sec-title {
  font-weight: 600;
  color: var(--bs-body-color);
  margin: 0 0 0.5rem;
  line-height: 1.25;
}

.ri-app-sec-title--sm {
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
}

.ri-app-sec-title--md {
  font-size: clamp(1.65rem, 3vw, 2rem);
}

.ri-app-sec-title--lg {
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
}

.ri-app-sec-subtitle {
  color: var(--ri-app-text-muted);
  margin: 0;
  font-size: 1rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.ri-app-card {
  background: var(--ri-app-card-bg);
  color: var(--bs-body-color);
  border: 1px solid var(--ri-app-card-border);
  border-radius: calc(var(--bs-border-radius-xl, 1rem) + 0.25rem);
  box-shadow: var(--bs-box-shadow-sm);
  transition: box-shadow 0.25s ease, transform 0.2s ease;
}

[data-bs-theme="dark"] .ri-app-card:hover {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(var(--ri-app-accent-rgb), 0.15);
}

/* Features */
.ri-app-features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .ri-app-features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .ri-app-features__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ri-app-feature-card {
  padding: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.ri-app-feature-card__icon {
  flex-shrink: 0;
  margin-top: 0.15rem;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--ri-app-accent);
}

.ri-app-feature-card__icon svg {
  width: 1.25rem;
  height: 1.25rem;
  display: block;
}

.ri-app-feature-card__text {
  margin: 0;
  color: var(--ri-app-text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Pricing */
.ri-app-pricing__trial {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  border: 1px dashed rgba(var(--ri-app-accent-rgb), 0.35);
  border-radius: calc(var(--bs-border-radius-lg) + 0.15rem);
  background: rgba(var(--ri-app-accent-rgb), 0.06);
}

.ri-app-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(var(--ri-app-accent-rgb), 0.12);
  color: var(--ri-app-accent);
  border: 1px solid rgba(var(--ri-app-accent-rgb), 0.28);
}

.ri-app-pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.ri-app-pricing__grid--count-1 {
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.ri-app-pricing__grid--count-2 {
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .ri-app-pricing__grid--count-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .ri-app-pricing__grid--count-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ri-app-pricing-card {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.ri-app-pricing-card--highlight {
  box-shadow: 0 0 0 1px rgba(var(--ri-app-accent-rgb), 0.4);
}

.ri-app-pricing-card__name {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.ri-app-pricing-card__price-row {
  margin-top: 0.75rem;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.ri-app-pricing-card__price {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
}

.ri-app-pricing-card__period {
  font-size: 0.875rem;
  color: var(--ri-app-text-muted);
}

.ri-app-pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  flex: 1 1 auto;
}

.ri-app-pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  color: var(--ri-app-text-secondary);
}

.ri-app-pricing-card__check {
  color: var(--ri-app-accent);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.ri-app-pricing-card__cta {
  margin-top: 1.5rem;
}

.ri-app-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.65rem 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--bs-border-radius);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 0.2s ease, background 0.2s ease;
}

.ri-app-btn--primary {
  background: var(--ri-app-accent);
  color: #fff;
  border-color: var(--ri-app-accent);
}

.ri-app-btn--primary:hover {
  opacity: 0.92;
  color: #fff;
}

.ri-app-btn--secondary {
  background: transparent;
  color: var(--ri-app-accent);
  border-color: var(--ri-app-accent);
}

.ri-app-btn--secondary:hover {
  background: rgba(var(--ri-app-accent-rgb), 0.1);
  color: var(--ri-app-accent);
}

/* Changelog / timeline */
.ri-app-changelog {
  position: relative;
  max-width: 56rem;
  margin: 0 auto;
}

.ri-app-changelog::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0.35rem;
  width: 1px;
  background: var(--ri-app-card-border);
}

@media (min-width: 768px) {
  .ri-app-changelog::before {
    left: 1.25rem;
  }
}

.ri-app-changelog__item {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .ri-app-changelog__item {
    padding-left: 3.5rem;
  }
}

.ri-app-changelog__dot {
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--ri-app-accent);
  box-shadow: 0 0 0 3px var(--bs-body-bg);
}

@media (min-width: 768px) {
  .ri-app-changelog__dot {
    left: 0.95rem;
    width: 0.65rem;
    height: 0.65rem;
    box-shadow: 0 0 0 4px var(--bs-body-bg);
  }
}

.ri-app-changelog__card {
  padding: 1rem 1.25rem;
}

@media (min-width: 768px) {
  .ri-app-changelog__card {
    padding: 1.25rem 1.5rem;
  }
}

.ri-app-changelog__version {
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.ri-app-changelog__meta {
  font-size: 0.875rem;
  color: var(--ri-app-text-muted);
  margin: 0 0 0.25rem;
}

.ri-app-changelog__desc {
  color: var(--ri-app-text-secondary);
  margin: 0.75rem 0 0;
  font-size: 0.95rem;
  line-height: 1.55;
}

.ri-app-changelog__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

/* FAQ */
.ri-app-faq {
  max-width: 48rem;
  margin: 0 auto;
}

.ri-app-faq__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ri-app-faq details.ri-app-card {
  padding: 1.25rem;
}

.ri-app-faq summary {
  font-weight: 600;
  color: var(--bs-body-color);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ri-app-faq summary::-webkit-details-marker {
  display: none;
}

.ri-app-faq-chevron {
  flex-shrink: 0;
  color: var(--ri-app-accent);
  transition: transform 0.2s ease;
}

.ri-app-faq details[open] .ri-app-faq-chevron {
  transform: rotate(180deg);
}

.ri-app-faq__answer {
  margin: 0.75rem 0 0;
  color: var(--ri-app-text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
}