/* 공통 부품 — 버튼 · 필터 칩 · 카드 · 헤더 · 푸터 */

/* ───────── 버튼: 외곽선만 · 대문자 · 넓은 자간 ───────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 48px;
  padding: 0 var(--space-6);
  border: 1px solid currentColor;
  border-radius: 0;
  background: transparent;
  font-size: var(--text-label);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  transition: background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

/* 사진 위에 놓이는 버튼 */
.btn--light {
  color: var(--color-on-photo);
}

.btn--light:hover {
  background: var(--color-on-photo);
  color: var(--color-text);
  border-color: var(--color-on-photo);
}

.btn--small {
  min-height: 36px;
  padding: 0 var(--space-4);
}

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.4;
  pointer-events: none;
}

.btn__arrow {
  width: 14px;
  height: 14px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

/* ───────── 필터 칩 ───────── */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: var(--text-label);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.chip:hover {
  border-color: var(--color-line-strong);
  color: var(--color-text);
}

.chip[aria-pressed="true"] {
  border-color: var(--color-line-strong);
  background: var(--color-text);
  color: var(--color-bg);
}

/* 사진 위 칩 (히어로) */
.chip--light {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-on-photo);
}

.chip--light:hover {
  border-color: var(--color-on-photo);
  color: var(--color-on-photo);
}

/* ───────── 카드 ───────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8) var(--space-5);
}

@media (max-width: 960px) {
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; gap: var(--space-7); }
}

.card {
  display: block;
}

.card[hidden] {
  display: none;
}

.card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-placeholder);
}

.card__media > img,
.card__media > .placeholder-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.card:hover .card__media > img,
.card:hover .card__media > .placeholder-photo {
  transform: scale(1.04);
}

.card__body {
  padding-top: var(--space-4);
}

.card__label {
  color: var(--color-text-muted);
}

.card__title {
  margin-top: var(--space-2);
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  letter-spacing: -0.02em;
}

.card__title-text {
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size var(--duration-base) var(--ease-out);
}

.card:hover .card__title-text {
  background-size: 100% 1px;
}

.card__excerpt {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 사진 위에 얹는 작은 카드 (히어로 LATEST) */
.card--compact {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: var(--space-3);
  align-items: center;
  color: var(--color-on-photo);
}

.card--compact .card__media {
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.18);
}

.card--compact .card__body {
  padding-top: 0;
}

.card--compact .card__label {
  color: rgba(255, 255, 255, 0.75);
}

.card--compact .card__title {
  margin-top: var(--space-1);
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  letter-spacing: 0;
}

/* ───────── 헤더 ───────── */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-height);
  color: var(--color-text);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
  transition: transform var(--duration-base) var(--ease-out),
    background-color var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
}

/* 사진(히어로) 위 맨 위에 있을 때: 투명 + 흰 글자 */
.site-header.is-over-photo {
  background: transparent;
  color: var(--color-on-photo);
  border-color: transparent;
}

/* 아래로 스크롤하면 숨고, 위로 올리면 다시 나온다 */
.site-header.is-hidden {
  transform: translateY(-100%);
}

.site-header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-6);
}

.site-header__logo {
  font-size: 1.0625rem;
  font-weight: var(--weight-heavy);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.site-nav {
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  height: var(--header-height);
  position: relative;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 22px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__link[data-current]::after {
  transform: scaleX(1);
}

.site-nav__caret {
  width: 10px;
  height: 10px;
  transition: transform var(--duration-fast) var(--ease-out);
}

/* CONTENTS 드롭다운 */
.site-nav__item--has-menu {
  position: relative;
}

.site-nav__menu {
  position: absolute;
  top: calc(var(--header-height) - 1px);
  left: calc(var(--space-5) * -1);
  min-width: 200px;
  padding: var(--space-3) 0;
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-line);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    visibility 0s linear var(--duration-fast);
}

.site-nav__item--has-menu:hover .site-nav__menu,
.site-nav__item--has-menu:focus-within .site-nav__menu,
.site-nav__item--has-menu.is-open .site-nav__menu {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}

.site-nav__item--has-menu:hover .site-nav__caret,
.site-nav__item--has-menu.is-open .site-nav__caret {
  transform: rotate(180deg);
}

.site-nav__menu a {
  display: block;
  padding: var(--space-3) var(--space-5);
  transition: background-color var(--duration-fast) var(--ease-out);
}

.site-nav__menu a:hover,
.site-nav__menu a[aria-current="page"] {
  background: #f5f5f5;
}

/* 헤더가 숨으면 드롭다운도 같이 숨는다 */
.site-header.is-hidden .site-nav__menu {
  visibility: hidden;
  opacity: 0;
}

/* 나중에 로그인 버튼이 들어갈 자리 (지금은 비워 둠) */
.site-header__account {
  min-width: 0;
}

.site-header__toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  align-items: center;
  justify-content: center;
}

.site-header__toggle svg {
  width: 22px;
  height: 22px;
}

/* 모바일 메뉴 */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 49;
  padding: calc(var(--header-height) + var(--space-6)) var(--gutter) var(--space-7);
  background: var(--color-bg);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease-out),
    visibility 0s linear var(--duration-base);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.mobile-menu__list > li {
  border-bottom: 1px solid var(--color-line);
}

.mobile-menu__group {
  padding-top: var(--space-4);
  color: var(--color-text-muted);
}

.mobile-menu .mobile-menu__sub {
  padding-left: var(--space-5);
}

.mobile-menu__sub > li + li {
  border-top: 1px solid var(--color-line);
}

.mobile-menu__link {
  display: block;
  padding: var(--space-4) 0;
  font-size: 1.75rem;
  font-weight: var(--weight-heavy);
  letter-spacing: var(--tracking-tight);
}

@media (max-width: 960px) {
  .site-nav,
  .site-header__account {
    display: none;
  }

  .site-header__toggle {
    display: inline-flex;
    margin-left: auto;
  }

  /* 메뉴가 열렸을 때 헤더는 흰 바탕 */
  .site-header.is-menu-open {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-line);
    transform: none;
  }
}

/* 사진 히어로가 없는 페이지는 헤더 높이만큼 비워 둔다 */
.has-solid-header main {
  padding-top: var(--header-height);
}

/* ───────── 푸터 ───────── */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding-block: var(--space-9) var(--space-7);
  font-size: var(--text-small);
}

.site-footer__cols {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--space-7) var(--space-6);
}

.site-footer__brand {
  font-size: 1.25rem;
  font-weight: var(--weight-heavy);
  letter-spacing: -0.02em;
}

.site-footer__heading {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

.site-footer__list > li + li {
  margin-top: var(--space-2);
}

.site-footer__list a {
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size var(--duration-base) var(--ease-out);
}

.site-footer__list a:hover {
  background-size: 100% 1px;
}

.site-footer__branches {
  margin-top: var(--space-9);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-line);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-6);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  line-height: 1.8;
}

.site-footer__branch-name {
  color: var(--color-text);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-1);
}

.site-footer__bottom {
  margin-top: var(--space-7);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

@media (max-width: 960px) {
  .site-footer__cols {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer__cols > :first-child {
    grid-column: 1 / -1;
  }
}

/* 아직 정해지지 않은 값 표시 */
.tbd {
  color: #a0a0a0;
}

.card-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 600px) {
  .card-grid--2 { grid-template-columns: 1fr; }
}

/* ───────── 입력 폼: 아래 선만 · 무채색 ───────── */
.form {
  display: grid;
  gap: var(--space-6);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

@media (max-width: 600px) {
  .form__row { grid-template-columns: 1fr; }
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field__label {
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
}

.field__req {
  color: var(--color-text-muted);
}

.field__input {
  width: 100%;
  min-height: 48px;
  padding: var(--space-2) 0;
  border: 0;
  border-bottom: 1px solid var(--color-line);
  border-radius: 0;
  background: transparent;
  font-size: 1rem;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.field__input:hover {
  border-bottom-color: #bdbdbd;
}

.field__input:focus {
  outline: none;
  border-bottom-color: var(--color-line-strong);
}

.field__select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10'%3E%3Cpath d='M1.5 3.5 5 7l3.5-3.5' fill='none' stroke='%23111' stroke-width='1.3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 2px center;
  background-size: 10px;
  padding-right: var(--space-5);
}

.field__textarea {
  resize: vertical;
  min-height: 120px;
  line-height: var(--leading-body);
}

.field.is-invalid .field__input,
.check.is-invalid input {
  border-bottom-color: var(--color-text);
}

.field__error {
  font-size: var(--text-small);
  color: var(--color-text);
}

.field__error::before {
  content: "— ";
}

.check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-small);
  cursor: pointer;
}

.check input {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--color-text);
}

.check a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}

.form__status {
  font-size: var(--text-small);
  color: var(--color-text-muted);
}

.check {
  flex-wrap: wrap;
}

.check > .field__error {
  flex-basis: 100%;
  padding-left: calc(18px + var(--space-3));
}

/* 개인정보처리방침 링크는 다른 링크보다 굵게 (법적 요구) */
.site-footer__list a[href="/privacy/"],
.check a[href="/privacy/"] {
  font-weight: var(--weight-bold);
}

/* 휴대폰에서 누르기 쉽게 — 손가락 크기(44px 안팎) */
.site-header__logo {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}