/* ========================================
   Header
   ======================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  width: 100%;
  background-color: var(--color-brand-light-2);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  --header-nav-gap: clamp(1.25rem, calc(1.25rem + (100vw - 48rem) * 0.15625), 3.75rem); /* 20px @768 → 60px @1024+ */
}

.site-header.is-hidden {
  transform: translateY(-100%);
  pointer-events: none;
}

.site-header.is-menu-open {
  transform: none;
  pointer-events: auto;
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 5rem; /* 80px */
  padding: 0 clamp(1.25rem, calc(1.25rem + (100vw - 48rem) * 0.390625), 7.5rem); /* 20px @768 → 120px @1024+ */
  background-color: var(--color-white);
  box-shadow: 0 0.0625rem 0.125rem 0 rgb(0 0 0 / 10%); /* 0 1px 2px 0, black 10% */
}

.site-header__logo {
  font-family: var(--font-paperlogy);
  font-weight: 900;
  font-size: 1.875rem; /* 30px */
  letter-spacing: 0.1em; /* 10% */
  color: var(--color-brand-dark);
}

.site-header__nav {
  display: flex;
  align-items: center;
  align-self: stretch; /* bar 80px 높이 100% */
  height: 100%;
  gap: var(--header-nav-gap);
}

.site-header__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 100%;
  font-family: var(--font-suit);
  font-weight: var(--fw-suit-bold);
  font-size: clamp(0.9375rem, calc(0.9375rem + (100vw - 48rem) * 0.00390625), 1rem); /* 15px @768 → 16px @1024+ */
  letter-spacing: 0.1em; /* 10% */
  color: var(--color-brand-dark);
}

.site-header__link::after {
  content: '';
  position: absolute;
  left: 0;
  top: calc(50% + 0.7em);
  width: 100%;
  height: 0.0625rem; /* 1px */
  background-color: var(--color-brand-dark);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}

.site-header__link:hover::after,
.site-header__link:focus-visible::after {
  transform: scaleX(1);
}

.site-header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center; /* CTA는 버튼 높이 유지, nav 세로 중앙 */
  padding: 0.625rem 1.25rem; /* 10px 20px */
  border-radius: 1.875rem; /* 30px */
  background-color: var(--color-brand-point);
  font-family: var(--font-suit);
  font-weight: var(--fw-suit-bold);
  font-size: clamp(0.875rem, calc(0.875rem + (100vw - 48rem) * 0.00390625), 1rem); /* 14px @768 → 16px @1024+ */
  letter-spacing: 0.1em;
  color: var(--color-white);
  white-space: nowrap;
  transition:
    background-color 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    color 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.site-header__cta:hover,
.site-header__cta:active {
  background-color: var(--color-brand-dark);
  color: var(--color-white);
}

.site-header__actions {
  display: none;
  align-items: center;
  gap: 1.25rem; /* 20px */
}

.site-header__menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.site-header__menu-icon {
  display: block;
}

.site-header__menu-close {
  display: none;
  width: 1.5rem;
  height: 1.5rem;
  position: relative;
}

.site-header__menu-close::before,
.site-header__menu-close::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 0.125rem;
  background-color: var(--color-brand-dark);
}

.site-header__menu-close::before {
  transform: translateY(-50%) rotate(45deg);
}

.site-header__menu-close::after {
  transform: translateY(-50%) rotate(-45deg);
}

.site-header.is-menu-open .site-header__menu-icon {
  display: none;
}

.site-header.is-menu-open .site-header__menu-close {
  display: block;
}

/* ---------- Mega menu (PC) ---------- */
.site-header__mega {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  background-color: var(--color-brand-light-2);
}

.site-header:has(.site-header__nav:hover) .site-header__mega,
.site-header:has(.site-header__mega:hover) .site-header__mega,
.site-header:has(.site-header__nav:focus-within) .site-header__mega {
  grid-template-rows: 1fr;
}

.site-header__mega-inner {
  overflow: hidden;
  min-height: 0;
}

.site-header__mega-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: 100%;
  height: 24.25rem; /* 388px */
  padding: 2.5rem clamp(1.25rem, calc(1.25rem + (100vw - 48rem) * 0.390625), 7.5rem); /* bar와 동일 */
}

.site-header__col {
  min-width: 0;
}

.site-header__col:not(:first-child) {
  border-left: 0.0625rem solid #737373; /* 1px */
  padding-left: 3.75rem; /* 60px — category gap */
}

.site-header__col:not(:last-child) {
  padding-right: 3.75rem; /* 60px */
}

.site-header__col-title {
  display: inline-block;
  width: fit-content;
  padding: 0.625rem 0; /* 10px 0 */
  border-bottom: 0.0625rem solid #737373;
  font-family: var(--font-suit);
  font-weight: var(--fw-suit-bold);
  font-size: 1rem; /* 16px */
  color: var(--color-brand-dark);
}

a.site-header__col-title {
  text-decoration: none;
  transition: color 0.3s ease;
}

a.site-header__col-title:hover,
a.site-header__col-title:focus-visible {
  color: var(--color-brand-point);
}

.site-header__col-desc {
  padding-top: 0.625rem; /* 10px */
  padding-bottom: 1.875rem; /* 30px */
  font-family: var(--font-suit);
  font-weight: 300;
  font-size: 0.875rem; /* 14px */
  line-height: 1.2;
  color: var(--color-brand-dark);
}

.site-header__col--store .site-header__col-desc {
  padding-bottom: 0;
}

.site-header__mega .site-header__subnav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem; /* 20px */
}

.site-header__mega .site-header__sublink {
  font-family: var(--font-suit);
  font-weight: 500;
  font-size: 1rem; /* 16px */
  color: var(--color-text-dark); /* #333 */
}

.site-header__mega .site-header__sublink:hover {
  color: var(--color-brand-point);
}

/* ---------- Mobile / Tablet drawer ---------- */
.site-header__dim {
  display: none;
}

.site-header__drawer {
  display: none;
}

/* ---------- Tablet+ — logo 좌측 · nav 우측, logo ↔ nav 최소 gap ---------- */
@media (min-width: 48rem) {
  .site-header__bar {
    justify-content: space-between;
    gap: var(--header-nav-gap); /* logo ↔ nav */
  }

  .site-header__logo {
    flex-shrink: 0;
  }

  .site-header__nav {
    flex-shrink: 0;
    margin-left: auto;
  }
}

/* ---------- Tablet: 768–1023px — 햄버거 없이 nav 유지 ---------- */
@media (min-width: 48rem) and (max-width: 63.9375rem) {
  .site-header__actions {
    display: none;
  }

  .site-header__col:not(:first-child) {
    padding-left: var(--header-nav-gap);
  }

  .site-header__col:not(:last-child) {
    padding-right: var(--header-nav-gap);
  }

  .site-header__col-title,
  .site-header__mega .site-header__sublink {
    font-size: clamp(0.9375rem, calc(0.9375rem + (100vw - 48rem) * 0.00390625), 1rem); /* 15px → 16px */
  }

  /* btn-large tablet · 화살표 없음 */
  .site-header__cta {
    padding: 0.625rem; /* 10px */
    border-radius: 3.125rem;
    font-family: var(--font-paperlogy);
    font-weight: 700;
    letter-spacing: 0.1em;
  }

  .site-header__cta:hover,
  .site-header__cta:active {
    background-color: var(--color-brand-light-1);
    color: var(--color-brand-dark);
  }
}

/* ---------- Mobile: 320–767px — 햄버거 메뉴 ---------- */
@media (max-width: 47.9375rem) {
  .site-header__bar {
    height: 3.75rem; /* 60px */
    padding: 0 1.25rem; /* 20px */
  }

  .site-header__logo {
    font-size: 1.5rem; /* 24px */
  }

  .site-header__nav,
  .site-header__mega {
    display: none;
  }

  .site-header__actions {
    display: flex;
  }

  .site-header:has(.site-header__nav:hover) .site-header__mega,
  .site-header:has(.site-header__mega:hover) .site-header__mega,
  .site-header:has(.site-header__nav:focus-within) .site-header__mega {
    grid-template-rows: 0fr;
  }

  .site-header__cta {
    padding: 0.625rem; /* 10px — btn-large mobile */
    border-radius: 3.125rem;
    font-family: var(--font-paperlogy);
    font-weight: 700;
    font-size: 0.75rem; /* 12px */
    letter-spacing: 0.1em;
  }

  .site-header__cta:hover,
  .site-header__cta:active {
    background-color: var(--color-brand-light-1);
    color: var(--color-brand-dark);
  }

  .site-header__dim {
    display: block;
    position: fixed;
    top: 3.75rem; /* header bar 60px 아래 페이지 영역 */
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 999;
    background-color: rgba(51, 51, 51, 0.45);
    backdrop-filter: blur(0.75rem);
    -webkit-backdrop-filter: blur(0.75rem);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
      visibility 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  }

  body.is-menu-open .site-header__dim {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .site-header__drawer {
    display: block;
    position: fixed;
    top: 3.75rem; /* below header bar 60px */
    right: 0;
    bottom: 0;
    z-index: 1002;
    width: 100%;
    max-width: 24rem; /* 384px */
    height: calc(100vh - 3.75rem); /* header 60px 아래 전체 */
    height: calc(100dvh - 5rem);
    padding: 1.25rem; /* 20px */
    background-color: var(--color-brand-light-1);
    transform: translateX(100%);
    transition: transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
    overflow-y: auto;
  }

  .site-header.is-menu-open .site-header__drawer {
    transform: translateX(0);
  }

  .site-header__drawer-item {
    width: 100%;
  }

  .site-header__drawer-toggle,
  .site-header__drawer-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1.5rem 0;
    border: none;
    border-bottom: 0.0625rem solid var(--color-brand-point);
    background: transparent;
    font-family: var(--font-suit);
    font-weight: var(--fw-suit-bold);
    font-size: 1rem; /* 16px */
    letter-spacing: 0.1em;
    color: var(--color-brand-dark);
    text-align: left;
    cursor: pointer;
  }

  .site-header__drawer-toggle {
    position: relative;
    padding-right: 1.5rem; /* 화살표 영역 확보 */
  }

  .site-header__drawer-link {
    cursor: pointer;
  }

  .site-header__drawer-arrow {
    position: absolute;
    top: 50%;
    right: 0.375rem; /* 살짝 왼쪽 */
    display: block;
    width: 1.08rem; /* 0.9rem × 1.2 */
    height: 0.72rem; /* 0.6rem × 1.2 */
    background-color: var(--color-brand-dark);
    -webkit-mask: url('../images/common/icons/header-arrow.png') center / contain no-repeat;
    mask: url('../images/common/icons/header-arrow.png') center / contain no-repeat;
    font-size: 0;
    color: transparent;
    transform: translateY(-50%);
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .site-header__drawer-item.is-open .site-header__drawer-arrow {
    transform: translateY(-50%) rotate(180deg);
  }

  .site-header__drawer .site-header__subnav {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    background-color: var(--color-brand-light-2);
    transition:
      max-height 0.8s cubic-bezier(0.22, 1, 0.36, 1),
      opacity 0.5s ease;
  }

  .site-header__drawer-item.is-open .site-header__subnav {
    max-height: 25rem;
    opacity: 1;
  }

  .site-header__drawer .site-header__sublink {
    display: block;
    width: 100%;
    padding: 1.25rem; /* 20px */
    border-bottom: 0.0625rem solid rgba(115, 115, 115, 0.2); /* #737373 20% */
    font-family: var(--font-suit);
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-text-dark);
  }

  .site-header__drawer .site-header__subnav li:last-child .site-header__sublink {
    border-bottom: none;
  }
}

/* ---------- Mega menu dim (PC / Tablet) ---------- */
@media (min-width: 48rem) {
  .site-header__dim {
    display: block;
    position: fixed;
    top: calc(5rem + 24.25rem); /* header bar 80px + mega 388px */
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 999;
    background-color: #000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  }

  body:has(.site-header:has(.site-header__nav:hover)) .site-header__dim,
  body:has(.site-header:has(.site-header__mega:hover)) .site-header__dim,
  body:has(.site-header:has(.site-header__nav:focus-within)) .site-header__dim,
  body.is-mega-open .site-header__dim {
    opacity: 0.2;
    pointer-events: auto;
  }
}

body.is-menu-open {
  overflow: hidden;
}