/* ===========================================================
   layout.css — 컨테이너 · 헤더 · 히어로 · 섹션 · 푸터
   =========================================================== */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--maxw-narrow); }

.section { padding-block: var(--section-y); }
.section--tight { padding-block: calc(var(--section-y) * .62); }
.section--alt { background: var(--bg-2); }
.section--green {
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(11, 58, 46, .85), transparent 70%),
    var(--green-dk);
}

.section-head { max-width: 760px; margin-bottom: 32px; }
.section-head--center { margin-inline: auto; text-align: center; }
@media (min-width: 768px) { .section-head { margin-bottom: 44px; } }

/* 금색 장식 구분선 */
.rule {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 0;
}
.rule--center { justify-content: center; }
.rule::before, .rule::after {
  content: "";
  height: 1px;
  width: 48px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.rule::after { background: linear-gradient(90deg, var(--gold), transparent); }
.rule i {
  width: 7px; height: 7px;
  transform: rotate(45deg);
  background: var(--gold);
}

/* ---------- 헤더 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 16, 12, .86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 62px;
}
@media (min-width: 900px) { .site-header__inner { min-height: 76px; } }

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img { width: 108px; height: auto; }
@media (min-width: 900px) { .brand img { width: 132px; } }

.nav { display: none; }
.nav__list { display: flex; align-items: center; gap: 4px; }
.nav__link {
  display: block;
  padding: 10px 14px;
  color: var(--ink);
  font-size: .95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color .2s, background-color .2s;
}
.nav__link:hover { color: var(--gold-lt); background: rgba(201, 162, 39, .08); }
.nav__link[aria-current="page"] { color: var(--gold); }

.header__actions { display: flex; align-items: center; gap: 10px; }
.site-header .header__cta { display: none; }

/* 햄버거 */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  transition: transform .25s, opacity .2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 모바일 패널 */
.mobile-nav {
  position: fixed;
  inset: 62px 0 auto;
  z-index: 99;
  max-height: calc(100dvh - 62px);
  overflow-y: auto;
  padding: 12px var(--gutter) 28px;
  background: rgba(7, 16, 12, .98);
  border-bottom: 1px solid var(--line);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s ease, transform .22s ease, visibility .22s;
}
.mobile-nav[data-open="true"] { opacity: 1; visibility: visible; transform: none; }
.mobile-nav a {
  display: block;
  padding: 15px 4px;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 500;
  border-bottom: 1px solid var(--line-soft);
}
.mobile-nav a[aria-current="page"] { color: var(--gold); }
.mobile-nav .btn { margin-top: 20px; width: 100%; }

@media (min-width: 900px) {
  .nav { display: block; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none; }
  .site-header .header__cta { display: inline-flex; }
}

/* ---------- 히어로 ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 72vh;
  min-height: 72svh;
  padding-block: 88px 44px;
  overflow: hidden;
  isolation: isolate;
}
.hero--tall { min-height: 86vh; min-height: 86svh; }
.hero--short { min-height: 50vh; min-height: 50svh; padding-block: 64px 36px; }

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero__media img { width: 100%; height: 100%; object-fit: cover; }

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7, 16, 12, .78) 0%, rgba(7, 16, 12, .42) 34%, rgba(7, 16, 12, .88) 72%, rgba(7, 16, 12, .97) 100%);
}

.hero__content { max-width: 720px; }
.hero .eyebrow {
  color: var(--gold-lt);
  text-shadow: 0 1px 10px rgba(0, 0, 0, .95), 0 0 4px rgba(0, 0, 0, .85);
}
.hero__text b { text-shadow: 0 1px 10px rgba(0, 0, 0, .8); }
.hero__title { margin-bottom: 14px; text-shadow: 0 2px 24px rgba(0, 0, 0, .55); }
.hero__text { color: var(--ink-soft); font-size: clamp(.98rem, 2.8vw, 1.15rem); }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

@media (min-width: 768px) {
  .hero { align-items: center; padding-block: 100px; }
}

/* ---------- 그리드 ---------- */
.grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .grid { gap: 20px; } }
@media (min-width: 1024px) { .grid { gap: 24px; } }

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: repeat(2, 1fr); }

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* 이미지 + 텍스트 2단 */
.split { display: grid; gap: 24px; align-items: center; }
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; gap: 48px; }
  .split--reverse > :first-child { order: 2; }
}

/* ---------- 푸터 ---------- */
.site-footer {
  padding-block: 48px 32px;
  background: var(--green-dk);
  border-top: 1px solid var(--line);
}
.site-footer__top {
  display: grid;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line-soft);
}
@media (min-width: 768px) {
  .site-footer__top { grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; }
}
.site-footer h4 {
  margin-bottom: 14px;
  color: var(--gold);
  font-size: .82rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-family: var(--font-en);
}
.site-footer li { margin-bottom: 9px; }
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--gold-lt); }
.site-footer__bottom {
  padding-top: 24px;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.75;
}
.legal-note {
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, .22);
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.7;
}