/* ============================================
   Header & Navigation
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

/* Top bar */
.header-top {
  background: linear-gradient(135deg, var(--color-primary-800), var(--color-primary-900));
  color: var(--color-white);
  padding: var(--space-2) 0;
  font-size: var(--text-xs);
}

.header-top .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
}

.header-top-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-top-left .top-notice {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: #ff4444;
  opacity: 0.95;
  font-weight: var(--font-medium);
  line-height: 1.4;
}

.header-top-left .top-notice-icon {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  flex-shrink: 0;
}

.header-top-left span {
  opacity: 0.9;
  font-size: var(--text-xl);
  color: #ff4444;
}

.header-top-right a {
  color: var(--color-white);
  font-weight: var(--font-semibold);
  font-size: var(--text-2xl);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.header-top-right a:hover {
  color: var(--color-primary-200);
}

/* Main header */
.header-main {
  padding: var(--space-4) 0;
}

.header-main .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 96px;
  height: 96px;
  background: none;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-white);
  box-shadow: none;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-size: var(--text-xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary-800);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.logo-tagline {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
  font-weight: var(--font-medium);
}

/* 네비게이션 - 중앙 배치 */
.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-list a {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-neutral-700);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--color-primary-700);
  background: var(--color-primary-50);
}

.nav-list a.active {
  font-weight: var(--font-semibold);
}

/* Header CTA */
.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-cta-call);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  text-decoration: none;
}

.header-phone:hover {
  color: var(--color-cta-call-hover);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  z-index: 10;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-neutral-700);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

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

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

/* ── Mobile Responsive ── */
@media (max-width: 1024px) {
  .header-top {
    display: none;
  }

  .header-main .container {
    gap: var(--space-4);
  }

  /* 햄버거 버튼 숨김 — 메뉴를 항상 표시하므로 불필요 */
  .menu-toggle {
    display: none;
  }

  /* nav를 헤더 고정 위치에서 해제 → 헤더 바로 아래 수평 탭바 */
  .main-nav {
    position: static;
    width: 100%;
    height: auto;
    background: var(--color-white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    flex-direction: row;
    padding: 0;
    overflow-x: auto;
    overflow-y: visible;
    z-index: auto;
    border-top: 1px solid var(--color-neutral-100);
    justify-content: center;
  }

  /* 헤더 전체에 flex-direction: column 적용 */
  .site-header {
    display: flex;
    flex-direction: column;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0;
    width: 100%;
    flex-wrap: nowrap;
  }

  .nav-list li {
    flex: 1;
    text-align: center;
  }

  .nav-list a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    border-bottom: 3px solid transparent;
    border-radius: 0;
    white-space: nowrap;
    color: var(--color-neutral-600);
  }

  .nav-list a:hover,
  .nav-list a.active {
    color: var(--color-primary-700);
    background: var(--color-primary-50);
    border-bottom-color: var(--color-primary-600);
  }

  .header-cta {
    display: none;
  }

  /* 오버레이 불필요 */
  .nav-overlay {
    display: none;
  }

  .logo-icon {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }

  .logo-name {
    font-size: var(--text-lg);
  }
}

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

  .nav-list a {
    font-size: var(--text-xs);
    padding: var(--space-3) var(--space-1);
  }
}