.container {
  width: var(--container);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
  background: transparent;
  transition: all 0.4s var(--ease-out);
  transform: translateY(0);
}

.site-header.scrolled {
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  background: rgba(255, 255, 255, 0.72);
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.04),
    0 4px 20px rgba(0, 0, 0, 0.03);
}

.site-header.hidden {
  transform: translateY(-100%);
}

.site-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.5), transparent);
  opacity: 0;
  transition: all 0.4s var(--ease-out);
}

.site-header.scrolled::after {
  width: 100%;
  opacity: 0.6;
}

.nav {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  transition: opacity 0.2s var(--ease-out);
}

.brand:hover {
  opacity: 0.8;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--glow-brand);
}

.nav-cta {
  text-decoration: none;
  color: #fff;
  border-radius: 999px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.9rem;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 4px 20px var(--glow-brand);
  transition: all 0.3s var(--ease-out);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--glow-brand);
}

.section {
  padding: 100px 0;
}

main[id],
section[id] {
  scroll-margin-top: 108px;
}

.section-soft {
  background: linear-gradient(180deg, transparent 0%, rgba(6, 182, 212, 0.02) 50%, transparent 100%);
  position: relative;
}

.section-soft::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.section-head {
  max-width: 700px;
  margin-bottom: 48px;
}

.section-head.center {
  text-align: center;
  margin-inline: auto;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.site-footer {
  padding: 40px 0 60px;
  border-top: 1px solid var(--glass-border);
}

.footer-row {
  display: flex;
  gap: 16px 24px;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 24px;
}

.footer-row p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin: 0;
}

.footer-row a {
  color: inherit;
}

@media (max-width: 1024px) {
  .section {
    padding: 80px 0;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  main[id],
  section[id] {
    scroll-margin-top: 88px;
  }

  .nav {
    min-height: 72px;
  }

  .nav-cta {
    display: none;
  }

  .footer-row {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .brand span {
    display: none;
  }
}