/* ==========================================================================
   Infobox — Section Styles
   Hero, dark panels, geometric backgrounds
   ========================================================================== */

/* ==========================================================================
   Geometric background pattern
   Subtle cube-quadrant-inspired grid at low opacity
   ========================================================================== */

.geo-bg {
  position: relative;
  overflow: hidden;
}

.geo-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 10% 40%, rgba(27, 107, 176, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 85% 20%, rgba(204, 34, 41, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 70% 90%, rgba(79, 154, 50, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 30% 80%, rgba(140, 140, 140, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.geo-bg > * {
  position: relative;
  z-index: 1;
}

/* Stronger glow on dark panels */
.geo-bg-dark::before {
  background:
    radial-gradient(ellipse 80% 60% at 10% 40%, rgba(27, 107, 176, 0.20) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 85% 20%, rgba(204, 34, 41, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 70% 90%, rgba(79, 154, 50, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 30% 80%, rgba(140, 140, 140, 0.06) 0%, transparent 50%);
}

/* ==========================================================================
   Hero section
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-6);
}

.hero .text-lead {
  color: var(--color-silver);
  margin-bottom: var(--space-8);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

@media (max-width: 1024px) {
  .hero .tag {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding-top: var(--space-32);
    padding-bottom: var(--space-20);
  }

  .hero h1 {
    font-size: var(--text-4xl);
  }
}

/* Medium hero (interior pages) */
.hero-medium {
  min-height: auto;
  padding-top: var(--space-32);
  padding-bottom: var(--space-20);
}

/* Light hero variant */
.hero-light {
  background-color: var(--color-bg-page);
}

.hero-light h1 {
  color: var(--color-text-primary);
}

.hero-light .text-lead {
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Dark panel section
   ========================================================================== */

.dark-panel {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
}

.dark-panel h2,
.dark-panel h3,
.dark-panel h4 {
  color: var(--color-text-inverse);
}

.dark-panel p {
  color: rgba(255, 255, 255, 0.75);
}

.dark-panel .tag-blue {
  background-color: rgba(27, 107, 176, 0.25);
  color: rgba(255, 255, 255, 0.9);
}

/* Stat row (AI transparency section) */
.stat-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
  margin-top: var(--space-10);
}

@media (min-width: 768px) {
  .stat-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 800;
  color: var(--color-text-inverse);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
}

/* CTA variant — centred */
.dark-panel-cta {
  text-align: center;
}

.dark-panel-cta h2 {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-4);
}

.dark-panel-cta p {
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-8);
}

/* ==========================================================================
   White section
   ========================================================================== */

.white-section {
  background-color: var(--color-bg-card);
}

/* ==========================================================================
   Logo strip section
   ========================================================================== */

.logo-section {
  background-color: var(--color-bg-card);
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
  border-top: var(--border-subtle);
  border-bottom: var(--border-subtle);
}

.logo-section .text-label {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* ==========================================================================
   Feature / value prop section
   ========================================================================== */

.value-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.value-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
}

.value-content h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.value-content p {
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Case study / proof section
   ========================================================================== */

.proof-card {
  background: var(--color-bg-card);
  border: var(--border-subtle);
  border-left: 3px solid var(--color-blue);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.proof-metric {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.proof-metric-item {
  text-align: left;
}

.proof-metric-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-blue);
  line-height: 1;
}

.proof-metric-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   Blog / insights cards
   ========================================================================== */

.post-card {
  background: var(--color-bg-card);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.post-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--color-off-white);
}

.post-card-body {
  padding: var(--space-6);
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.post-card-date {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.post-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.post-card-excerpt {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Featured post card */
.post-featured {
  border-left: 3px solid var(--color-blue);
}

@media (min-width: 1024px) {
  .post-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .post-featured .post-card-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-8);
  }

  .post-featured .post-card-title {
    font-size: var(--text-2xl);
  }

  .post-featured .post-card-excerpt {
    -webkit-line-clamp: 4;
  }
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.sidebar-section h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sidebar-link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
  border-bottom: var(--border-subtle);
  transition: color var(--transition-base);
}

.sidebar-link:hover {
  color: var(--color-action);
}

/* Newsletter signup in sidebar */
.sidebar-newsletter {
  background: var(--color-off-white);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
}

.sidebar-newsletter h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.sidebar-newsletter p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.sidebar-newsletter .form-input {
  margin-bottom: var(--space-3);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.6);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-4);
  max-width: 280px;
}

.footer-brand .site-logo {
  margin-bottom: var(--space-2);
}

.footer-brand .site-logo img {
  filter: brightness(0) invert(1);
}

.footer-heading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-text-inverse);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-sm);
}