/* ============ Main visual (hero + slider) ============ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  color: #fff;
  overflow: hidden;
  background: #0a1a2e;
}
/* 메인: 히어로 바로 아래 푸터가 붙도록 상단 흰 여백(footer margin-top:80px) 제거 */
.ik-index + .site-footer { margin-top: 0; }
/* 퀵메뉴 sticky 트랙의 위치 기준 */
.ik-index { position: relative; }

.hero__slides {
  position: absolute;
  inset: 0;
}
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .6s ease-in-out;
  pointer-events: none;
}
.hero__slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__media img,
.hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,44,92,.35) 0%, rgba(11,44,92,.55) 100%);
}

/* Slide caption (main2~9 style) */
.hero__caption {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 8vw;
  gap: 32px;
}
.hero__caption h2 {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 200px;
  justify-content: center;
  padding: 18px 80px;
  color: #fff;
  border: 1px solid rgba(255,255,255,.7);
  font-size: 19px;
  font-weight: 500;
  border-radius: 4px;
  transition: all .2s;
}
.hero__cta:hover { background: rgba(255,255,255,.15); border-color: #fff; }
.hero__cta span { font-size: 14px; }

/* Prev/Next arrows */
.hero__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 120px; height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 120px;
  line-height: 1;
  opacity: .7;
  transition: opacity .2s;
}
.hero__nav:hover { opacity: 1; }
.hero__nav--prev { left: 40px; }
.hero__nav--next { right: 160px; }

/* Dots */
.hero__dots {
  position: absolute;
  z-index: 2;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}
.hero__dots button {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  padding: 0;
  transition: all .2s;
}
.hero__dots button.is-active {
  background: #fff;
  width: 24px;
  border-radius: 4px;
}

/* Quick menu track — <main> 높이만큼 절대 위치, 스크롤 끝(=푸터 직전)에서 자동 멈춤 */
.quick-menu-track {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 140px;
  pointer-events: none;
  z-index: 90;
}

/* Quick menu (right side floating) */
.quick-menu {
  position: sticky;
  top: calc(50vh - 180px);
  margin-top: calc(50vh - 180px);
  display: flex;
  flex-direction: column;
  gap: 0;
  background: rgba(15, 25, 50, 0.8);
  padding: 10px;
  border-radius: 3px 0 0 3px;
  color: #fff;
  pointer-events: all;
}
.quick-menu__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 15px 16px;
  border-radius: 2px;
  color: #fff;
  font-size: 14px;
  line-height: 1.4;
  text-align: center;
  min-width: 110px;
  transition: background .15s;
  cursor: pointer;
}
.quick-menu__item + .quick-menu__item { border-top: 1px solid rgba(255,255,255,0.3); }
.quick-menu__item:hover { background: rgba(255,255,255,.1); }
.quick-menu__ico {
  width: 70px; height: 70px;
  display: flex; align-items: center; justify-content: center;
}
.quick-menu__ico svg { width: 64px; height: 64px; color: #fff; }

@media (max-width: 1024px) {
  .quick-menu-track { right: 12px; }
  .quick-menu { padding: 6px; }
  .quick-menu__item { min-width: 78px; padding: 12px 8px; font-size: 10px; }
  .hero__nav--prev { left: 12px; }
  .hero__nav--next { right: 170px; }
  .hero__nav { width: 44px; height: 44px; font-size: 28px; }
}
@media (max-width: 640px) {
  .hero__caption { padding: 0 6vw; gap: 20px; }
  .hero__cta { min-width: 0; padding: 14px 32px; font-size: 16px; }
  .quick-menu__item { min-width: 60px; padding: 8px 6px; font-size: 9px; }
  .quick-menu__ico { width: 44px; height: 44px; }
  .quick-menu__ico svg { width: 36px; height: 36px; }
}
@media (max-width: 480px) {
  .quick-menu { display: none; }
  .hero__nav--next { right: 12px; }
}