/* ==========================================================
   Silakab — Patent Portfolio Page Styles
   ========================================================== */

/* ── Patent Listing Cards ── */

.patent-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.patent-card {
  padding: var(--space-xl);
  background: var(--color-dark-surface);
  border: var(--border-card-dark);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast) var(--ease-smooth);
}

.patent-card:hover {
  border-color: rgba(0, 165, 235, 0.3);
}

.patent-card-number {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background: rgba(103, 57, 147, 0.1);
  border: 1px solid rgba(103, 57, 147, 0.2);
  color: var(--color-tertiary);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-md);
}

.patent-card-number svg {
  width: 14px;
  height: 14px;
}

.patent-card h3 {
  color: var(--color-white);
  font-size: var(--text-h4);
  margin-bottom: var(--space-sm);
}

.patent-card-pillar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-body-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.patent-card-pillar svg {
  width: 16px;
  height: 16px;
}

.patent-card p {
  color: var(--color-muted-light);
  font-size: var(--text-body-sm);
  line-height: var(--lh-body);
  margin-bottom: var(--space-md);
}

.patent-card-date {
  font-size: var(--text-caption);
  color: var(--color-muted-light);
  opacity: 0.7;
}

@media (max-width: 640px) {
  .patent-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Valuation Growth Section ── */

.valuation-section .section-header {
  margin-bottom: var(--space-3xl);
}

.valuation-timeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.valuation-card {
  flex: 1;
  max-width: 400px;
  padding: var(--space-2xl);
  background: var(--color-dark-surface);
  border: var(--border-card-dark);
  border-radius: var(--radius-lg);
  text-align: center;
}

.valuation-year {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-h3);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.valuation-amount {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-h2);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.valuation-patents {
  font-size: var(--text-body-sm);
  font-weight: 600;
  color: var(--color-muted-light);
  margin-bottom: var(--space-sm);
}

.valuation-detail {
  font-size: var(--text-caption);
  color: var(--color-muted-light);
  opacity: 0.7;
}

.valuation-arrow {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.valuation-arrow svg {
  width: 40px;
  height: 40px;
}

.valuation-supporting {
  color: var(--color-muted-light);
  text-align: center;
  max-width: var(--max-text-width);
  margin-inline: auto;
  line-height: var(--lh-body);
}

@media (max-width: 640px) {
  .valuation-timeline {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .valuation-card {
    max-width: 100%;
    width: 100%;
  }

  .valuation-arrow {
    transform: rotate(90deg);
  }

  .valuation-arrow svg {
    width: 32px;
    height: 32px;
  }
}

/* ── Global Coverage Section ── */

/* Reuses .country-grid and .country-item from home.css where available.
   Below are patent-page-specific overrides/additions. */

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.coverage-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-dark-surface);
  border: var(--border-card-dark);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast) var(--ease-smooth);
}

.coverage-item:hover {
  border-color: rgba(0, 165, 235, 0.3);
}

.coverage-flag {
  font-size: 2rem;
  line-height: 1;
}

.coverage-info {
  display: flex;
  flex-direction: column;
}

.coverage-name {
  color: var(--color-white);
  font-weight: 600;
  font-size: var(--text-body-sm);
}

.coverage-status {
  font-size: var(--text-caption);
  color: var(--color-primary);
  font-weight: 600;
}

.coverage-footnote {
  text-align: center;
  color: var(--color-muted-light);
  font-size: var(--text-body-sm);
}

@media (max-width: 1024px) {
  .coverage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .coverage-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Licensing Models Section ── */

.licensing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.licensing-card {
  padding: var(--space-xl);
  background: var(--color-dark-surface);
  border: var(--border-card-dark);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast) var(--ease-smooth);
}

.licensing-card:hover {
  border-color: rgba(0, 165, 235, 0.3);
}

.licensing-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  border-radius: 12px;
  background: rgba(0, 165, 235, 0.1);
  color: var(--color-primary);
}

.licensing-card-icon svg {
  width: 24px;
  height: 24px;
}

.licensing-card h4 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.licensing-card p {
  color: var(--color-muted-light);
  font-size: var(--text-body-sm);
  line-height: var(--lh-body);
}

@media (max-width: 640px) {
  .licensing-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Licensing Process (Step Flow) ── */

.process-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.process-step {
  position: relative;
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-dark-surface);
  border: var(--border-card-dark);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: border-color var(--duration-fast) var(--ease-smooth);
}

.process-step:hover {
  border-color: rgba(0, 165, 235, 0.3);
}

.process-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 165, 235, 0.12);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-body-sm);
  margin-bottom: var(--space-md);
}

.process-step h4 {
  color: var(--color-white);
  font-size: var(--text-body-sm);
  margin-bottom: var(--space-sm);
}

.process-step p {
  color: var(--color-muted-light);
  font-size: var(--text-caption);
  line-height: var(--lh-body);
}

/* Connector lines between steps */
.process-step::after {
  content: '';
  position: absolute;
  top: 36px;
  right: -8px;
  width: 16px;
  height: 2px;
  background: var(--gradient-line);
  pointer-events: none;
}

.process-step:last-child::after {
  display: none;
}

@media (max-width: 1024px) {
  .process-flow {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-step:nth-child(3)::after {
    display: none;
  }
}

@media (max-width: 640px) {
  .process-flow {
    grid-template-columns: 1fr;
  }

  .process-step::after {
    display: none;
  }
}