.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(18px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), #38bdf8);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-title {
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.nav {
  display: flex;
  gap: 1.2rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.nav a {
  padding: 0.4rem 0.2rem;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.nav a:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

.header-actions {
  display: flex;
  gap: 0.75rem;
}

.hero {
  padding: 4.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  margin: 0.7rem 0 1.2rem;
  letter-spacing: -0.02em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1rem;
}

.hero-meta {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.section {
  padding: 3.5rem 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.8rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 1.5rem;
}

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.3rem;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: start;
}

.forecast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.1rem;
}

.footer-content {
  display: grid;
  gap: 0.5rem;
  text-align: center;
  padding: 2.5rem 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    flex-wrap: wrap;
  }

  .hero-grid,
  .two-column {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 2rem, var(--max-width));
  }

  .header-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .hero-actions {
    flex-direction: column;
  }
}