.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-list a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
  border-radius: 1px;
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--primary);
}

.nav-list a.active::after,
.nav-list a:hover::after {
  width: 20px;
}

.header-tel {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.footer {
  background: #1e293b;
  color: #cbd5e1;
  padding: 60px 0 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
}

.footer-brand h3 {
  font-size: 20px;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: #94a3b8;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: #94a3b8;
  font-size: 14px;
  padding: 6px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--secondary);
}

.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: #94a3b8;
  margin-bottom: 12px;
}

.footer-contact .icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid #334155;
  margin-top: 40px;
  padding: 20px 24px;
  text-align: center;
  font-size: 13px;
  color: #64748b;
}

.footer-bottom a {
  color: #94a3b8;
}

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

@media (max-width: 768px) {
  .nav-list {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--bg-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 24px 24px;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    transition: right 0.3s ease;
    gap: 4px;
  }
  .nav-list.open {
    right: 0;
  }
  .nav-list a {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
  }
  .nav-list a::after {
    display: none;
  }
  .header-tel {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-overlay.show {
  opacity: 1;
  pointer-events: auto;
}