@charset "UTF-8";

/* =========================================================
   Intro Base
========================================================= */
.intro_page {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}
.intro_page.loaded { opacity: 1; }

/* =========================================================
   Background Swiper
========================================================= */
.intro_page .intro_background {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-color: #1a1a1a;
}
.intro_page .intro_background .background_swiper { width: 100%; height: 100%; }
.intro_page .intro_background .background_swiper .swiper-slide { width: 100%; height: 100%; }

.intro_page .intro_background .slide-bg {
  width: 100%;
  height: 100%;
  position: relative;
}

.intro_page .intro_background .bg_image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 느린 줌(켄번 효과) */
.intro_page .intro_background .background_swiper .swiper-slide img {
  transform: scale(1);
  transition: transform 10s linear;
}
.intro_page .intro_background .background_swiper .swiper-slide-active img {
  transform: scale(1.1);
}

/* =========================================================
   Layout
========================================================= */
.intro_page .main_content {
  position: relative;
  z-index: 5;
  display: flex;
  height: 100dvh;
}
.intro_page .main_content .content_left {
  flex: 1;
  position: relative;
}

/* Copyright */
.intro_page .main_content .content_left .copyright {
  position: absolute;
  bottom: 15px;
  left: 15px;
  z-index: 10;
  padding: 8px 8px 6px;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
}
.intro_page .main_content .content_left .copyright p {
  opacity: 0.8;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
}

/* Top Info */
.intro_page .main_content .content_left .top_info {
  color: white;
  width: 100%;
  text-align: center;
  padding-top: 40px;
}
.intro_page .main_content .content_left .top_info .weather_info { width: 100%; text-align: center; }
.intro_page .main_content .content_left .top_info .weather_icon { font-size: 18px; }
.intro_page .main_content .content_left .top_info .temperature { font-size: 14px; font-weight: 500; }

.intro_page .main_content .content_left .top_info .navigation_area {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
}
.intro_page .main_content .content_left .top_info .navigation_area .btn_arrow {
  width: 30px;
  height: 30px;
  font-size: 0;
  border-radius: 50%;
  transition: all 0.3s ease;
  background: url('../img/intro/btn_arrow.svg') center no-repeat;
  cursor: pointer;
}
.intro_page .main_content .content_left .top_info .navigation_area .btn_arrow:hover {
  background-color: rgba(255, 255, 255, 0.2);
}
.intro_page .main_content .content_left .top_info .navigation_area .btn_arrow.prev { transform: rotate(180deg); }
.intro_page .main_content .content_left .top_info .navigation_area .location_name {
  font-size: 46px;
  font-weight: 600;
  text-align: center;
  margin: 0 15px;
}

/* Right Panel */
.intro_page .main_content .content_right {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 700px;
  text-align: center;
  background: rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(40px);
  padding: 65px;
  color: white;
}
.intro_page .main_content .content_right .title_section {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.intro_page .main_content .content_right .title_section .logo img { width: 260px; }
.intro_page .main_content .content_right .title_section .title {
  font-size: 28px;
  font-weight: 400;
  line-height: 42px;
  letter-spacing: -1.2px;
  margin-top: 40px;
}
.intro_page .main_content .content_right .util_section { flex: 0; }

/* =========================================================
   Language Buttons  ✅ (Hover + Active 강화)
========================================================= */
.intro_page .main_content .content_right .util_section .language_buttons {
  display: flex;
  gap: 5px;
}

/* 공통 버튼 */
.intro_page .main_content .content_right .util_section .language_buttons button {
  overflow: hidden;
  position: relative;
  aspect-ratio: 1 / 1;
  width: 108px;

  display: flex;
  align-items: flex-end;
  justify-content: flex-start;

  font-size: 16px;
  font-weight: 500;
  padding: 14px 0 14px 16px;

  background-color: #fff;
  color: #111;

  border: 0;
  outline: none;
  cursor: pointer;

  transition: color .2s ease, background-color .2s ease, transform .2s ease;
}

/* 텍스트가 ::before 위로 올라오게 */
.intro_page .main_content .content_right .util_section .language_buttons button span {
  position: relative;
  z-index: 2;
}

/* ↗ 아이콘 */
.intro_page .main_content .content_right .util_section .language_buttons button::after {
  pointer-events: none;
  content: '';
  position: absolute;
  right: 10px;
  top: 10px;
  display: block;
  width: 16px;
  height: 16px;
  z-index: 2;
  background: url('../img/intro/icon_arrow_lang.svg') no-repeat;
}

/* 원형 퍼지는 배경 */
.intro_page .main_content .content_right .util_section .language_buttons button::before {
  content: '';
  display: block;
  width: 200%;
  height: 200%;
  position: absolute;
  top: 0;
  left: 0%;
  margin-left: -50%;
  border-radius: 50%;
  background-color: #F0386C;
  transform: translate(0, 100%);
  transition: transform 0.3s ease-out;
  z-index: 1;
}

/* Hover / Focus */
.intro_page .main_content .content_right .util_section .language_buttons button:hover,
.intro_page .main_content .content_right .util_section .language_buttons button:focus-visible {
  color: #fff;
}
.intro_page .main_content .content_right .util_section .language_buttons button:hover::before,
.intro_page .main_content .content_right .util_section .language_buttons button:focus-visible::before {
  transform: translate(0, -20%);
}
.intro_page .main_content .content_right .util_section .language_buttons button:hover::after,
.intro_page .main_content .content_right .util_section .language_buttons button:focus-visible::after {
  filter: invert(1);
}

/* Active(선택된 언어) - hover 없이도 핑크 유지 */
.intro_page .main_content .content_right .util_section .language_buttons button.active,
.intro_page .main_content .content_right .util_section .language_buttons button[aria-current="true"] {
  color: #fff;
}
.intro_page .main_content .content_right .util_section .language_buttons button.active::before,
.intro_page .main_content .content_right .util_section .language_buttons button[aria-current="true"]::before {
  transform: translate(0, -20%);
}
.intro_page .main_content .content_right .util_section .language_buttons button.active::after,
.intro_page .main_content .content_right .util_section .language_buttons button[aria-current="true"]::after {
  filter: invert(1);
}

/* 클릭감 */
.intro_page .main_content .content_right .util_section .language_buttons button:active {
  transform: translateY(1px);
}

/* 중국어 버튼 폰트 */
.intro_page .main_content .content_right .util_section .language_buttons button:nth-child(4),
.intro_page .main_content .content_right .util_section .language_buttons button:nth-child(5) {
  font-family: 'NotoSansSC';
}

/* =========================================================
   Exchange Rates
========================================================= */
.intro_page .main_content .content_right .util_section .exchange_rates { margin-top: 70px; }

.intro_page .main_content .content_right .util_section .exchange_rates .exchange_header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid #fff;
}
.intro_page .main_content .content_right .util_section .exchange_rates .exchange_header .tit {
  font-size: 20px;
  font-weight: 700;
}
.intro_page .main_content .content_right .util_section .exchange_rates .exchange_header .update_time {
  opacity: 0.55;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
}

.intro_page .main_content .content_right .util_section .exchange_rates .currency_list {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 22px;
}
.intro_page .main_content .content_right .util_section .exchange_rates .currency_list .currency_item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.intro_page .main_content .content_right .util_section .exchange_rates .currency_list .currency_item .currency_flag { margin-right: 8px; }
.intro_page .main_content .content_right .util_section .exchange_rates .currency_list .currency_item .currency_flag img { width: 24px; }
.intro_page .main_content .content_right .util_section .exchange_rates .currency_list .currency_item .currency_rate {
  font-size: 18px;
  font-weight: 400;
  word-break: break-word;
}
.intro_page .main_content .content_right .util_section .exchange_rates .currency_list .currency_item .currency_code {
  font-size: 18px;
  font-weight: 700;
}

/* =========================================================
   Responsive
========================================================= */
@media (min-width: 960px) and (max-width: 1200px) {
  .intro_page .main_content .content_right { width: 565px; padding: 70px 40px; }
  .intro_page .main_content .content_right .title_section .title .w1280 { display: block; }
}

@media (max-width: 960px) {
  .intro_page .main_content { flex-direction: column; }
  .intro_page .intro_background { left: 50%; width: 960px; margin-left: -480px; }
  .intro_page .intro_background .background_swiper .swiper-slide img { width: auto; height: 650px; }

  .intro_page .main_content .content_left .top_info { padding-top: 0; }
  .intro_page .main_content .content_left .top_info .logo { position: absolute; left: 16px; top: 12px; }
  .intro_page .main_content .content_left .top_info .logo img { width: 72px; }

  .intro_page .main_content .content_left .top_info .weather_info {
    position: absolute;
    right: 16px;
    top: 12px;
    display: flex;
    align-items: center;
    width: auto;
  }
  .intro_page .main_content .content_left .top_info .weather_info .temperature {
    line-height: 16px;
    text-align: left;
    margin-left: 6px;
  }

  .intro_page .main_content .content_left .top_info .navigation_area { padding-top: 80px; }
  .intro_page .main_content .content_left .top_info .navigation_area .location_name { font-size: 32px; }

  .intro_page .main_content .content_left .copyright { left: 12px; bottom: 12px; }
  .intro_page .main_content .content_left .copyright p { font-size: 12px; }

  .intro_page .main_content .content_right { width: 100%; padding: 20px; }
  .intro_page .main_content .content_right .title_section .title {
    margin-top: 0;
    font-size: 16px;
    line-height: 25px;
  }

  .intro_page .main_content .content_right .util_section .language_buttons {
    display: flex;
    flex-wrap: wrap;
    margin-top: 15px;
  }
  .intro_page .main_content .content_right .util_section .language_buttons button {
    aspect-ratio: auto;
    padding: 12px;
  }

  .intro_page .main_content .content_right .util_section .language_buttons button:nth-child(1),
  .intro_page .main_content .content_right .util_section .language_buttons button:nth-child(2) {
    width: calc(50% - 5px);
  }
  .intro_page .main_content .content_right .util_section .language_buttons button:nth-child(3),
  .intro_page .main_content .content_right .util_section .language_buttons button:nth-child(4),
  .intro_page .main_content .content_right .util_section .language_buttons button:nth-child(5) {
    width: calc(33.3333% - 5px);
  }

  .intro_page .main_content .content_right .util_section .language_buttons button::after {
    right: 14px;
    top: 14px;
    background-size: 12px auto;
  }

  .intro_page .main_content .content_right .util_section .exchange_rates { margin-top: 40px; }
  .intro_page .main_content .content_right .util_section .exchange_rates .exchange_header .tit { font-size: 16px; }
  .intro_page .main_content .content_right .util_section .exchange_rates .exchange_header .update_time { font-size: 12px; }

  .intro_page .main_content .content_right .util_section .exchange_rates .currency_list {
    flex-wrap: wrap;
    margin-top: 15px;
  }
  .intro_page .main_content .content_right .util_section .exchange_rates .currency_list .currency_item {
    width: 50%;
    margin-bottom: 12px;
  }
  .intro_page .main_content .content_right .util_section .exchange_rates .currency_list .currency_item:nth-child(2) {
    justify-content: flex-end;
  }
  .intro_page .main_content .content_right .util_section .exchange_rates .currency_list .currency_item .currency_rate {
    font-size: 15px;
    padding-right: 5px;
  }
  .intro_page .main_content .content_right .util_section .exchange_rates .currency_list .currency_item .currency_code {
    font-size: 15px;
  }
}