/* KSVF 2026 — Common components
 * nav · button · pill · meta-card · countdown · section-head
 */

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: relative; z-index: 10;
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}
.brand {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink-on-dark-0);
  font-size: 16px;
  display: flex; align-items: center; gap: 10px;
}
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-mint), var(--accent-cyan));
  display: grid; place-items: center;
  color: var(--bg-0);
  font-weight: 900;
  font-size: 13px;
}
/* 대한상공회의소 로고 — 다크 배경 위에서 흰색으로 반전, 133x36 고정 */
.brand-logo {
  width: 133px;
  height: 36px;
  display: block;
  /* picture 안의 <img>가 source 자동 적용 후 비율 깨지는 것 방지 */
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: .95;
  transition: opacity .15s ease;
}
.brand-logo:hover { opacity: 1; }

.nav-links {
  display: flex; gap: 32px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-on-dark-1);
  letter-spacing: -.005em;
}
.nav-links > a,
.nav-links .nav-dropdown-btn { font-weight: 700; }
.nav-links a:hover { color: var(--ink-on-dark-0); }
.nav-right { display: flex; gap: 14px; align-items: center; }

/* KO / EN 언어 토글 */
.nav-lang {
  font-size: 12px;
  color: var(--ink-on-dark-3);
  letter-spacing: .05em;
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  padding: 6px 10px;
  border-radius: var(--r-pill);
  transition: color .15s ease, background .15s ease;
  border: none;
  background: transparent;
}
.nav-lang:hover { background: rgba(255,255,255,.06); }
.nav-lang .lang-item {
  transition: color .15s ease;
  color: var(--ink-on-dark-3);
}
.nav-lang .lang-item.active {
  color: var(--ink-on-dark-0);
}
.nav-lang .lang-sep {
  color: var(--ink-on-dark-3);
  margin: 0 2px;
}

/* ============================================================
   Nav dropdown — "지난 행사" 서브메뉴 (제1회 · 제2회)
   · 호버(+ 키보드 focus-within)로 펼침
   · ::after pseudo로 부모↔메뉴 사이 14px 갭에 hover bridge 형성
     → 마우스를 메뉴로 내려갈 때 hover가 끊겨 메뉴가 닫히는 문제 방지
   ============================================================ */
.nav-dropdown {
  position: relative;
  display: inline-block;
}
/* hover bridge: 부모 아래쪽 14px(=메뉴 margin-top)에 투명 hover 영역 추가 */
.nav-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: -8px; right: -8px;
  height: 14px;
  /* 메뉴가 펼쳐졌을 때만 hover 영역이 의미가 있음 — 평소엔 클릭에 방해되지 않게 */
  pointer-events: none;
}
.nav-dropdown:hover::after,
.nav-dropdown:focus-within::after {
  pointer-events: auto;
}

.nav-dropdown-btn {
  background: transparent;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--ink-on-dark-1);
  cursor: pointer;
  transition: color .15s;
}
.nav-dropdown:hover .nav-dropdown-btn,
.nav-dropdown:focus-within .nav-dropdown-btn {
  color: var(--ink-on-dark-0);
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  margin-top: 14px;
  min-width: 200px;
  padding: 8px;
  background: var(--bg-1);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-sm);
  box-shadow: 0 12px 32px rgba(0,0,0,.45);
  z-index: 20;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu a {
  display: block;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--ink-on-dark-1);
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.nav-dropdown-menu a:hover {
  background: rgba(255,255,255,.06);
  color: var(--ink-on-dark-0);
}

/* 영어 모드 — JS가 textContent를 교체.
   '한글 전용' / '영어 전용' 두 개를 따로 두고 보이고/숨기는 경우만 클래스로 처리.
   display: revert 를 쓰면 <div>/<p>/<span> 등이 각자의 기본 display 값으로 복원됨. */
.lang-only-en { display: none; }
html[data-lang="en"] .lang-only-en { display: revert; }
html[data-lang="en"] .lang-only-ko { display: none; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 11px 20px;
  border-radius: var(--r-pill);
  font-size: 14px; font-weight: 700;
  font-family: var(--font-sans);
  border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent-mint);
  color: var(--bg-0);
  box-shadow: var(--shadow-glow-mint);
}
.btn-ghost {
  background: rgba(255,255,255,.06);
  color: var(--ink-on-dark-0);
  border-color: rgba(255,255,255,.14);
}
.btn-outline {
  background: transparent;
  color: var(--ink-on-dark-1);
  border-color: rgba(255,255,255,.2);
}

/* ============================================================
   Pill (eyebrow)
   ============================================================ */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  background: rgba(125,240,160,.1);
  border: 1px solid rgba(125,240,160,.3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--accent-mint);
  text-transform: uppercase;
}
.pill::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-mint);
  box-shadow: 0 0 8px var(--accent-mint);
}

/* ============================================================
   Meta card (DATE/VENUE)
   ============================================================ */
.meta-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-sm);
  padding: 14px 18px;
  min-width: 180px;
}
.meta-card .k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-on-dark-3);
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.meta-card .v {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-on-dark-0);
}
.meta-card .small {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--ink-on-dark-2);
}

/* ============================================================
   Countdown
   ============================================================ */
.countdown { display: flex; gap: 14px; }
.cd-cell {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-md);
  padding: 16px 22px;
  min-width: 96px;
  text-align: center;
}
.cd-cell .cnt {
  display: block;
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 600;
  color: var(--accent-cyan);
  line-height: 1;
  letter-spacing: -.02em;
}
.cd-cell .label {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-on-dark-3);
  letter-spacing: .15em;
}
@media (max-width: 960px) {
  .cd-cell { padding: 12px 16px; min-width: 72px; }
  .cd-cell .cnt { font-size: 28px; }
}

/* ============================================================
   Section head
   ============================================================ */
.section {
  position: relative;
  padding: 120px 32px;
  max-width: var(--container);
  margin: 0 auto;
}
.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  max-width: 720px;
  margin-bottom: 56px;
}
.section-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-mint);
  letter-spacing: .15em;
  text-transform: uppercase;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink-on-dark-0);
  letter-spacing: -.02em;
}
.section-title em {
  font-style: normal;
  color: var(--accent-mint);
}
.section-lede {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-on-dark-1);
}

/* ============================================================
   Coming-soon modal
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(5, 10, 31, .72);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  opacity: 0;
  transition: opacity .2s ease;
}
.modal-overlay.is-open {
  display: flex;
  opacity: 1;
}
.modal-box {
  position: relative;
  max-width: 420px;
  width: 100%;
  background: linear-gradient(180deg, rgba(20, 42, 92, .92), rgba(10, 21, 56, .96));
  border: 1px solid rgba(125, 240, 160, .3);
  border-radius: var(--r-lg);
  padding: 40px 36px 32px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .5), 0 0 40px rgba(125, 240, 160, .15);
  transform: translateY(10px) scale(.98);
  transition: transform .25s ease;
}
.modal-overlay.is-open .modal-box {
  transform: translateY(0) scale(1);
}
.modal-icon {
  width: 56px; height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(125, 240, 160, .12);
  border: 1px solid rgba(125, 240, 160, .35);
  display: grid; place-items: center;
  color: var(--accent-mint);
}
.modal-icon svg { width: 28px; height: 28px; }
.modal-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-on-dark-0);
  margin-bottom: 10px;
  letter-spacing: -.01em;
}
.modal-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-on-dark-1);
  margin-bottom: 24px;
}
.modal-text strong {
  color: var(--accent-mint);
  font-weight: 700;
}
.modal-close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 28px;
  border-radius: var(--r-pill);
  background: var(--accent-mint);
  color: var(--bg-0);
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-sans);
  border: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease;
  box-shadow: var(--shadow-glow-mint);
}
.modal-close-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 32px rgba(125, 240, 160, .5);
}
.modal-close-x {
  position: absolute;
  top: 14px; right: 14px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--ink-on-dark-1);
  cursor: pointer;
  display: grid; place-items: center;
  transition: background .15s, color .15s;
}
.modal-close-x:hover {
  background: rgba(255,255,255,.12);
  color: var(--ink-on-dark-0);
}
.modal-close-x svg { width: 14px; height: 14px; }

@media (max-width: 960px) {
  .nav-links { display: none; }
  .section { padding: 72px 20px; }
}

/* ============================================================
   svp_mobile 전용 — 폰 화면 반응형 보강 (KSVF 2026)
   ============================================================ */
@media (max-width: 640px) {
  .nav { padding: 16px 18px; gap: var(--sp-4); }
  .brand-logo { width: 112px; height: auto; }

  .section { padding: 56px 18px; }
  .section-head { margin-bottom: 36px; gap: 10px; }
  .section-title { font-size: clamp(25px, 7vw, 34px); }
  .section-lede { font-size: 15px; line-height: 1.6; }

  .modal-box { padding: 34px 22px 26px; }
  .modal-title { font-size: 20px; }
  .modal-text { font-size: 14px; }
}


/* ============================================================
   svp_mobile 전용 — 모바일 햄버거 메뉴 (KSVF 2026)
   데스크톱(>960px): 버거/오버레이 숨김, nav-links 가로 바 유지
   모바일(≤960px): 버거 표시 → body 직속 풀스크린 오버레이(.mobile-nav) 토글
   ============================================================ */
.nav-burger { display: none; }
.mobile-nav { display: none; }

@media (max-width: 960px) {
  .nav-burger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--r-sm);
    background: rgba(255, 255, 255, .05);
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease;
  }
  .nav-burger:hover { background: rgba(255, 255, 255, .1); }
  .nav-burger span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 0 auto;
    background: var(--ink-on-dark-0);
    border-radius: 2px;
  }
}

/* 풀스크린 모바일 메뉴 오버레이 (body 직속 — hero isolation 스태킹 회피) */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 1100;
  flex-direction: column;
  padding: 78px 26px 36px;
  background: rgba(5, 10, 31, .975);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  overflow-y: auto;
  opacity: 0;
  transition: opacity .2s ease;
}
.mobile-nav.is-open {
  display: flex;
  opacity: 1;
}
.mobile-nav-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .05);
  color: var(--ink-on-dark-1);
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.mobile-nav-close:hover { background: rgba(255, 255, 255, .12); color: var(--ink-on-dark-0); }
.mobile-nav-close svg { width: 18px; height: 18px; }

.mobile-nav > a,
.mobile-nav .mnav-grouptitle {
  display: block;
  padding: 17px 6px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink-on-dark-0);
}
.mobile-nav > a:active { color: var(--accent-mint); }
.mobile-nav .mnav-group { display: block; }
.mobile-nav .mnav-grouptitle {
  color: var(--ink-on-dark-2);
  border-bottom: none;
  padding-bottom: 4px;
}
.mobile-nav .mnav-sub {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.mobile-nav .mnav-sub a {
  display: block;
  padding: 9px 6px 9px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-on-dark-2);
}
.mobile-nav .mnav-sub a:active { color: var(--accent-mint); }
.mobile-nav .mnav-cta {
  margin-top: auto;
  border-bottom: none;
  text-align: center;
  padding: 16px;
  border-radius: var(--r-pill);
  background: var(--accent-mint);
  color: var(--bg-0);
  box-shadow: var(--shadow-glow-mint);
  font-size: 16px;
}

/* 데스크톱에선 절대 노출되지 않도록 안전장치 */
@media (min-width: 961px) {
  .nav-burger,
  .mobile-nav { display: none !important; }
}