/* ==========================================================================
   Data Island — Component Styles
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.4);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--secondary:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--border-color);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--white {
  background: var(--color-bg-white);
  color: var(--color-primary);
  border-color: var(--color-bg-white);
}
.btn--white:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.btn--white-outline {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: rgba(255, 255, 255, 0.4);
}
.btn--white-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  color: var(--color-text-inverse);
}

.btn--lg {
  padding: 16px 32px;
  font-size: var(--font-size-base);
  border-radius: var(--radius-lg);
}

.btn--sm {
  padding: 8px 16px;
  font-size: var(--font-size-xs);
}

.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card--flat:hover {
  transform: none;
  box-shadow: none;
}

.card--link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.card__icon--success { background: var(--color-success-light); color: var(--color-success); }
.card__icon--warning { background: var(--color-warning-light); color: var(--color-warning); }
.card__icon--error { background: var(--color-error-light); color: var(--color-error); }

.card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.card__desc {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.card__link i { font-size: 0.7em; transition: transform var(--transition-fast); }
.card__link:hover i { transform: translateX(3px); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1.4;
}

.badge--primary { background: var(--color-primary-light); color: var(--color-primary-dark); }
.badge--success { background: var(--color-success-light); color: var(--color-success); }
.badge--warning { background: var(--color-warning-light); color: #92400e; }
.badge--dark { background: var(--color-bg-darker); color: var(--color-text-inverse); }
.badge--outline { background: transparent; border: 1px solid var(--border-color); color: var(--color-text-secondary); }

.badge--soon {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #451a03;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.65rem;
}

/* ---------- Code Blocks ---------- */
.code-block {
  position: relative;
  background: var(--color-bg-code);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.code-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.02);
}

.code-block__lang {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-block__copy {
  padding: 4px 10px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  background: var(--color-bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.code-block__copy:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.code-block pre {
  padding: var(--space-4);
  margin: 0;
  overflow-x: auto;
  line-height: 1.7;
}

.code-block code {
  color: var(--color-text);
}

/* Inline code */
:not(pre) > code {
  background: var(--color-bg-code);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.875em;
  color: var(--color-primary-dark);
}

/* ---------- Stat Counter ---------- */
.stat {
  text-align: center;
  padding: var(--space-4);
}

.stat__value {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.section--dark .stat__value {
  color: var(--color-text-inverse);
}

.stat__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.section--dark .stat__label {
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Logo Strip ---------- */
.logo-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-10);
  padding: var(--space-8) 0;
}

.logo-strip img {
  height: 32px;
  width: auto;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: all var(--transition);
}

.logo-strip img:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* ---------- Pricing Card ---------- */
.pricing-card {
  background: var(--color-bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: scale(1.02);
}

.pricing-card--featured:hover {
  transform: scale(1.03);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.pricing-card__name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.pricing-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.pricing-card__price {
  margin-bottom: var(--space-6);
}

.pricing-card__amount {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1;
}

.pricing-card__period {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.pricing-card__note {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.pricing-card__features {
  list-style: none;
  margin-bottom: var(--space-8);
  flex-grow: 1;
}

.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.pricing-card__features li i {
  color: var(--color-success);
  margin-top: 2px;
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

/* ---------- Comparison Table ---------- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.comparison-table thead {
  position: sticky;
  top: var(--navbar-height);
  z-index: 10;
}

.comparison-table th {
  background: var(--color-bg);
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  text-align: center;
  border-bottom: 2px solid var(--border-color);
}

.comparison-table th:first-child {
  text-align: left;
  width: 40%;
}

.comparison-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color-light);
  text-align: center;
}

.comparison-table td:first-child {
  text-align: left;
  color: var(--color-text);
  font-weight: 500;
}

.comparison-table tr:hover td {
  background: var(--color-primary-light);
}

.comparison-table .check {
  color: var(--color-success);
}

.comparison-table .dash {
  color: var(--color-text-muted);
}

.comparison-table__group {
  font-weight: 700;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary-dark);
  background: var(--color-primary-light) !important;
}

/* Responsive comparison table */
@media (max-width: 768px) {
  .comparison-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 calc(-1 * var(--space-6));
    padding: 0 var(--space-6);
  }
  .comparison-table {
    min-width: 600px;
  }
}

/* ---------- Step / How It Works ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary), var(--color-primary-light));
  z-index: 0;
}

.step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step__number {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-2xl);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.3);
}

.step__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.step__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  max-width: 280px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .steps { grid-template-columns: 1fr; gap: var(--space-6); }
  .steps::before { display: none; }
}

/* ---------- Platform Stack Visual ---------- */
.stack-layer {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  background: var(--color-bg-white);
  position: relative;
  transition: all var(--transition);
}

.stack-layer:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.stack-layer + .stack-layer {
  margin-top: var(--space-3);
}

.stack-layer__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.stack-layer__name {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.stack-layer__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.stack-layer__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-8);
  text-align: center;
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.cta-banner > * { position: relative; z-index: 1; }

.cta-banner h2 {
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
}

.cta-banner p {
  font-size: var(--font-size-lg);
  opacity: 0.85;
  max-width: 500px;
  margin: 0 auto var(--space-8);
}

.cta-banner .btn + .btn {
  margin-left: var(--space-3);
}

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-4) 0;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: var(--font-size-base);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

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

.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item__answer {
  padding-top: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* ---------- Coming Soon Section ---------- */
.coming-soon {
  text-align: center;
  padding: var(--space-8);
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  border: 2px dashed #fbbf24;
  border-radius: var(--radius-xl);
}

.coming-soon__icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.coming-soon__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.coming-soon__desc {
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* ---------- Breadcrumbs ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: var(--space-4) 0;
}

.breadcrumb a {
  color: var(--color-text-secondary);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb__sep {
  font-size: var(--font-size-xs);
}

/* ---------- Image Placeholder ---------- */
.img-placeholder {
  background: linear-gradient(135deg, var(--color-primary-light), #dbeafe);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: var(--font-size-3xl);
  aspect-ratio: 16/9;
  border: 2px dashed rgba(var(--color-primary-rgb), 0.2);
}

.img-placeholder--square { aspect-ratio: 1; }
.img-placeholder--wide { aspect-ratio: 21/9; }

/* ---------- Hero Simple (Inner Pages) ---------- */
.hero-simple {
  padding: calc(var(--navbar-height) + var(--space-12)) 0 var(--space-12);
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--border-color);
}

.hero-simple h1 {
  font-size: clamp(1.75rem, 3.5vw, var(--font-size-3xl));
  margin-bottom: var(--space-2);
}

.hero-simple__sub {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
}

/* ---------- Hero Extras (stats strip + jump nav) ---------- */
/* Used directly below `hero_simple` to surface key product numbers
   and an anchor-link table of contents for long pages. */

.hero-extras {
  padding: var(--space-8) 0 var(--space-4);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-6);
  background: var(--color-bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
}

@media (max-width: 900px) { .hero-stats { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px) { .hero-stats { grid-template-columns: repeat(2, 1fr); } }

.hero-stat { text-align: center; padding: var(--space-2); }

.hero-stat__num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}

.hero-stat__label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.hero-jump {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  max-width: 900px;
  margin: var(--space-6) auto 0;
}

.hero-jump a {
  padding: 6px 14px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.hero-jump a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}