/* =========================================================
   common.css  –  디자인 토큰 / 타이포그래피 / 버튼 / 공통 유틸
   ========================================================= */

/* 폰트 (CDN) */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css");
@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@400;500;600;700&family=Cinzel:wght@500;600;700&display=swap");

/* ---------------------------------------------------------
   디자인 토큰
--------------------------------------------------------- */
:root {
  /* color */
  --color-bg: #050505;
  --color-section: #0d0c0a;
  --color-panel: #15120f;
  --color-panel-2: #1d1814;
  --color-gold: #b98a45;
  --color-gold-light: #d8b16a;
  --color-gold-deep: #8a6531;
  --color-text: #ffffff;
  --color-text-sub: #b8b0a3;
  --color-text-mute: #7d756a;
  --color-line: rgba(255, 255, 255, 0.12);
  --color-line-gold: rgba(216, 177, 106, 0.45);

  /* gradient */
  --grad-gold: linear-gradient(135deg, #d8b16a 0%, #b98a45 45%, #8a6531 100%);
  /* 흰색 타이틀용 골드 그라데이션 (위=밝게 → 아래=어둡게) */
  --grad-title: linear-gradient(180deg, #f8edbe 0%, #9e7040 100%);
  --grad-overlay: linear-gradient(180deg, rgba(5, 5, 5, 0) 0%, rgba(5, 5, 5, 0.85) 100%);
  --grad-overlay-strong: linear-gradient(180deg, rgba(5, 5, 5, 0.2) 0%, rgba(5, 5, 5, 0.95) 100%);

  /* image fallback (이미지 미존재 시 배경 대체) */
  --img-fallback: radial-gradient(120% 120% at 30% 20%, #2a2118 0%, #15110c 45%, #080706 100%);

  /* type */
  --font-main: "Pretendard", "Noto Sans KR", system-ui, sans-serif;
  --font-title: "Noto Serif KR", "Pretendard", serif;
  --font-eng: "Cinzel", "Noto Serif KR", serif;

  /* layout */
  --inner: 1440px;
  --header-h: 80px;
  --radius-card: 14px;
  --radius-btn: 6px;
  --section-space-pc: 120px;
  --section-space-mo: 72px;

  /* effect */
  --shadow-card: 0 18px 40px rgba(0, 0, 0, 0.55);
  --shadow-gold: 0 10px 30px rgba(185, 138, 69, 0.35);
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --z-header: 1000;
  --z-modal: 2000;
}

/* ---------------------------------------------------------
   기본 타이포 / 바디
--------------------------------------------------------- */
body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}

/* 메뉴 오픈 시 스크롤 잠금 */
body.is-locked {
  overflow: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

/* 영문 라벨 / 섹션 영문 타이틀 */
.eng {
  font-family: var(--font-eng);
  letter-spacing: 0.18em;
}

/* ---------------------------------------------------------
   접근성 유틸
--------------------------------------------------------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: -100px;
  transform: translateX(-50%);
  z-index: calc(var(--z-modal) + 10);
  padding: 10px 20px;
  background: var(--color-gold);
  color: #1a130a;
  border-radius: 0 0 8px 8px;
  font-weight: 700;
  transition: top 0.25s var(--ease-soft);
}
.skip-link:focus {
  top: 0;
}

/* 키보드 포커스 스타일 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-gold-light);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------------------------------------------------------
   레이아웃 컨테이너
--------------------------------------------------------- */
.inner {
  width: 100%;
  max-width: var(--inner);
  margin: 0 auto;
  padding: 0 40px;
}

/* 섹션 공통 */
.section {
  position: relative;
  padding: var(--section-space-pc) 0;
}

.section__head {
  text-align: center;
  margin-bottom: 56px;
}

.section__title {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  font-family: var(--font-eng);
  font-size: 38px;
  font-weight: 600;
  letter-spacing: 0.02em;
  /* 텍스트 그라데이션 */
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* 좌우 장식 화살표 이미지 */
.section__title::before,
.section__title::after {
  content: "";
  flex: none;
  width: 96px;
  height: 16px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}
.section__title::before {
  background-image: url("../images/common/arrow_left.png");
}
.section__title::after {
  background-image: url("../images/common/arrow_right.png");
}

.section__desc {
  margin-top: 14px;
  color: var(--color-text-sub);
  font-size: 15px;
}

/* ---------------------------------------------------------
   버튼
--------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 26px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.3s var(--ease-soft),
              box-shadow 0.3s var(--ease-soft),
              background 0.3s var(--ease-soft),
              color 0.3s var(--ease-soft),
              border-color 0.3s var(--ease-soft);
}

.btn .ico {
  font-size: 14px;
  transition: transform 0.3s var(--ease-soft);
}

.btn:hover .ico {
  transform: translateX(4px);
}

/* primary – 골드 */
.btn--primary {
  background: var(--grad-gold);
  color: #1a130a;
  border: 1px solid transparent;
}
.btn--primary:hover {
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

/* ghost – 라인 */
.btn--ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  border: 1px solid var(--color-line);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover {
  border-color: var(--color-line-gold);
  color: var(--color-gold-light);
  transform: translateY(-2px);
}

/* large */
.btn--lg {
  min-height: 58px;
  padding: 0 36px;
  font-size: 16px;
}

/* block (모바일 full width 용) */
.btn--block {
  width: 100%;
}

/* ---------------------------------------------------------
   링크형 텍스트 (전체 보기 등)
--------------------------------------------------------- */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-sub);
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: color 0.25s var(--ease-soft), gap 0.25s var(--ease-soft);
}
.text-link:hover {
  color: var(--color-gold-light);
  gap: 12px;
}
.text-link .ico {
  font-size: 12px;
}

/* ---------------------------------------------------------
   이미지 fallback 박스
   (이미지가 없거나 로드 실패 시 그라데이션으로 레이아웃 유지)
--------------------------------------------------------- */
.media-box {
  position: relative;
  overflow: hidden;
  background: var(--img-fallback);
  background-size: cover;
  background-position: center;
}
.media-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* GSAP 등장 전 초기 상태 (JS 미동작 시에도 보이도록 reveal 클래스로만 숨김) */
.js-reveal {
  will-change: transform, opacity;
}

/* 반응형 토큰 조정 */
@media (max-width: 1199px) {
  :root {
    --header-h: 72px;
  }
  .inner {
    padding: 0 32px;
  }
}

@media (max-width: 767px) {
  :root {
    --header-h: 64px;
  }
  .inner {
    padding: 0 20px;
  }
  .section {
    padding: var(--section-space-mo) 0;
  }
  .section__head {
    margin-bottom: 36px;
  }
  .section__title {
    font-size: 26px;
    gap: 12px;
  }
  .section__title::before,
  .section__title::after {
    width: 56px;
    height: 12px;
  }
}