/* ============================================================
   Hero Section
   ============================================================ */

.hero-section {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  padding-block: var(--space-20);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-subtitle {
  font-size: 1.0625rem;
  line-height: 1.8;
  max-width: 52ch;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
  padding-top: var(--space-4);
  border-top: var(--border-subtle);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.hero-chart {
  justify-content: center;
  align-items: center;
  padding: var(--space-6);
  background-color: var(--color-surface);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  min-height: 280px;
}

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-chart {
    max-width: 560px;
    margin-inline: auto;
  }
}

@media (max-width: 640px) {
  .hero-stats {
    gap: var(--space-6);
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================================================
   Problem vs Solution Section
   ============================================================ */

.problem-solution-section {
  background-color: var(--color-surface);
}

.pvsol-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.pvsol-header .section-subtitle {
  margin-inline: auto;
}

.pvsol-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-6);
  align-items: center;
}

.pvsol-card {
  background-color: var(--color-bg);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.pvsol-card--solution {
  border-color: rgba(var(--color-primary-rgb), 0.3);
}

.pvsol-card-header {
  margin-bottom: var(--space-5);
}

.pvsol-tag {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pvsol-tag--problem {
  background-color: rgba(var(--color-error-rgb), 0.12);
  color: var(--color-error);
}

.pvsol-tag--solution {
  background-color: rgba(var(--color-primary-rgb), 0.12);
  color: var(--color-primary);
}

.pvsol-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pvsol-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.pvsol-item::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  border-radius: 50%;
}

.pvsol-item--bad::before {
  background-color: var(--color-error);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%23020617' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M3 3l6 6M9 3l-6 6'/%3E%3C/svg%3E");
  background-size: 10px;
  background-position: center;
  background-repeat: no-repeat;
}

.pvsol-item--good::before {
  background-color: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%23020617' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='2 6 5 9 10 3'/%3E%3C/svg%3E");
  background-size: 10px;
  background-position: center;
  background-repeat: no-repeat;
}

.pvsol-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-surface-raised);
  border: var(--border-subtle);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 700;
}

@media (max-width: 768px) {
  .pvsol-grid {
    grid-template-columns: 1fr;
  }

  .pvsol-vs {
    margin-inline: auto;
  }
}

/* ============================================================
   Social Proof Section
   ============================================================ */

.case-card {
  background-color: var(--color-surface);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-10);
}

.case-card-badge {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.case-card-title {
  margin-bottom: var(--space-3);
}

.case-card-desc {
  margin-bottom: var(--space-6);
  max-width: 72ch;
}

.case-card-metrics {
  display: flex;
  gap: var(--space-8);
}

.case-metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.case-metric-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

.case-metric-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.tech-logos {
  text-align: center;
}

.tech-logos-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  margin-bottom: var(--space-6);
}

.tech-logos-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  flex-wrap: wrap;
}

.tech-logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.tech-logo-item:hover {
  color: var(--color-text);
}

.tech-logo-icon {
  width: 32px;
  height: 32px;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.tech-logo-item:hover .tech-logo-icon {
  opacity: 1;
}

/* ============================================================
   CTA Final Section
   ============================================================ */

.cta-final-section {
  background-color: var(--color-surface);
}

.cta-final-inner {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.cta-final-desc {
  font-size: 1.0625rem;
  max-width: 52ch;
}

.cta-final-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

.cta-final-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

/* Screen-reader only utility */
.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;
}