/* CSS 변수 정의 */
:root {
  --primary-gradient: linear-gradient(135deg, #b21e23 0%, #e74c3c 50%, #c0392b 100%);
  --secondary-gradient: linear-gradient(135deg, #b21e23 0%, #e67e22 100%);
  --success-gradient: linear-gradient(135deg, #b21e23 0%, #27ae60 100%);
  --info-gradient: linear-gradient(135deg, #b21e23 0%, #3498db 100%);
  --glass-bg: rgba(255, 255, 255, 0.25);
  --glass-border: rgba(255, 255, 255, 0.18);
  --shadow-soft: 2px 2px 18px rgba(85, 85, 86, 0.37);
  --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.1);
  --border-radius: 16px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
}

/* 인트로 영역 header 다르게 처리 */
header {
  position: absolute;
  width: 100%;
  background: 0;
  top: 0;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

header.scrolled {
  background: none;
  backdrop-filter: none;
  box-shadow: none;
}

header .logo {
  background-image: url('../images/header/wlogo.svg');
}

header .menu-area .nav-item > a {
  color: #fff;
}

.hamburger div {
  background: #fff;
}

.hamburger:hover div {
  background: #fff;
}

/* 메인 비주얼 슬라이더 스타일 */
.main-visual {
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: #1a6572;
}

.main-visual-content {
  position: relative;
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
}

.main-visual-content img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.main-visual-content-inner {
  position: relative;
  width: var(--container-max-width);
  height: 100%;
  margin: 0 auto;
}

.main-info-box {
  position: absolute;
  bottom: 100px;
  right: 0;
  width: 560px;
  height: 280px;
  background: linear-gradient(180deg, #b21e23 0%, #cc3f31 50%, #e74c3c 100%), #b21e23;
  box-shadow: 0px 2px 16px rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  font-weight: 600;
  font-size: 36px;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.style-shape {
  position: absolute;
  top: 20px;
  right: 0;
  margin: 0 auto;
  width: 16px;
  height: 16px;
  background: #ffffff;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.main-info-box .title {
  margin: 40px 0 0 30px;
}

.main-info-box .date {
  display: flex;
  align-items: center;
  font-size: 42px;
  margin: 85px 0 0 30px;
}

.main-info-box .date span {
  display: block;
  margin: 0 10px;
  font-size: 18px;
}

/* S : 추가 수정 영역 */
.date-box {
  width: 100%;
  height: 84px;
  background: var(--color-primary-gradient);
  color: #fff;
}

.date-box-inner {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.date-box .title {
  font-size: 32px;
  font-weight: 600;
}

.date-box .date {
  display: flex;
  align-items: center;
  font-size: 40px;
  font-weight: 500;
}

.date-box .date span {
  font-size: 18px;
  font-weight: 600;
  padding: 0 20px 0 8px;
}
/* E : 추가 수정 영역 */

.main-menu-area {
  position: relative;
  width: var(--container-max-width);
  height: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin: 100px auto;
  box-sizing: border-box;
}

.participate_box {
  width: 420px;
}

.participate_box .d-day {
  margin: 0 0 40px;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  width: 83px;
  height: 34px;
  background: #000000;
  border-radius: 50px;
  color: #fff;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.participate_title {
  font-weight: 600;
  font-size: 42px;
  letter-spacing: -0.02em;
  line-height: 120%;
  color: #3d3d3d;
}

.participate_date {
  font-weight: 600;
  font-size: 18px;
  line-height: 140%;
  color: #666666;
  padding: 40px 0;
}

.participate_box .insert_btn {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 178px;
  height: 60px;
  background: var(--color-primary-gradient);
  box-shadow: 0px 4px 15px rgba(178, 30, 35, 0.3);
  border-radius: 50px;
  font-weight: 700;
  font-size: 16px;
  line-height: 120%;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.participate_box .insert_btn span {
  margin-left: 10px;
}

.main-menu-item {
  position: relative;
  width: 262px;
  height: 100%;
  text-decoration: none;
  color: inherit;
  background-image: url('../images/menu_box.webp');
  background-size: contain;
  background-repeat: no-repeat;
}

.main-menu-item-content {
  position: relative;
  padding: 40px 0 0 30px;
  z-index: 2;
  width: 100%;
}

.main-menu-item-content h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: #2d3748;
  transition: all 0.3s ease;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.main-menu-item-content p {
  font-size: 1.1rem;
  color: #718096;
  font-weight: 500;
  transition: all 0.3s ease;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.icon-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 55px;
  height: 55px;
  background: var(--color-primary-gradient);
  border-radius: 50px;
  color: #fff;
  margin-bottom: 35px;
}

.icon-wrap > i.ri-information-line {
  font-size: 38px;
}

.icon-wrap > i.ri-search-line,
.icon-wrap > i.ri-map-pin-line {
  font-size: 30px;
}

.circle_btn {
  position: absolute;
  left: 0;
  bottom: 15px;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  width: 55px;
  height: 55px;
  background: #000000;
  box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.3);
  border-radius: 50px;
  color: #fff;
  font-size: 20px;
}

/* 태블릿 반응형 */
@media (max-width: 1320px) {
  .style-shape {
    top: 20px;
    right: 20px;
  }

  .main-visual-content-inner {
    max-width: 1000px;
    padding: 0 30px;
  }

  .main-info-box {
    width: 480px;
    height: 240px;
    bottom: 80px;
    right: 30px;
    font-size: 32px;
  }

  .main-info-box .title {
    margin: 35px 0 0 25px;
  }

  .main-info-box .date {
    font-size: 36px;
    margin: 70px 0 0 25px;
  }

  .main-info-box .date span {
    font-size: 16px;
  }

  /* S : 추가 수정 영역 */
  .date-box {
    height: 72px;
  }

  .date-box-inner {
    padding: 0 40px;
  }

  .date-box .title {
    font-size: 32px;
    font-weight: 600;
  }

  .date-box .date {
    font-size: 36px;
    font-weight: 500;
  }

  .date-box .date span {
    font-size: 16px;
    font-weight: 600;
  }
  /* E : 추가 수정 영역 */

  /* 메인 메뉴 영역 조정 */
  .main-menu-area {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin: 80px auto;
    max-width: 900px;
    /* padding: 0 30px; */
  }

  .participate_box {
    width: 100%;
    max-width: 450px;
    /* height: 280px; */
    background-size: cover;
    background-position: center;
    padding: 35px 30px;
    box-sizing: border-box;
    margin: 0 auto;
  }

  .participate_title {
    font-size: 32px;
    line-height: 1.3;
  }

  .participate_date {
    font-size: 15px;
  }

  .main-menu-item {
    /* width: 100%; */
    /* max-width: 450px; */
    /* height: 240px; */
    min-height: 370px;
    margin: 0 auto;
    background-size: cover;
    border-radius: 16px;
  }

  .main-menu-item-content {
    padding: 30px 25px 25px;
  }

  .main-menu-item-content h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
  }

  .main-menu-item-content p {
    font-size: 1rem;
    line-height: 1.4;
  }

  .icon-wrap {
    width: 50px;
    height: 50px;
    margin-bottom: 25px;
  }

  .icon-wrap > i.ri-information-line {
    font-size: 32px;
  }

  .icon-wrap > i.ri-search-line,
  .icon-wrap > i.ri-map-pin-line {
    font-size: 26px;
  }

  .circle_btn {
    width: 48px;
    height: 48px;
    font-size: 18px;
    bottom: 12px;
  }
}

/* 중간 태블릿 반응형 */
@media (max-width: 1024px) {
  .main-visual-content-inner {
    max-width: 740px;
    padding: 0 25px;
  }

  .main-info-box {
    width: 420px;
    height: 220px;
    bottom: 70px;
    right: 25px;
    font-size: 30px;
  }

  .main-info-box .title {
    margin: 30px 0 0 22px;
  }

  .main-info-box .date {
    font-size: 32px;
    margin: 60px 0 0 22px;
  }

  .main-info-box .date span {
    font-size: 15px;
  }

  /* S : 추가 수정 영역 */
  .date-box .title {
    font-size: 30px;
  }

  .date-box .date {
    font-size: 32px;
  }

  .date-box .date span {
    font-size: 15px;
  }
  /* E : 추가 수정 영역 */

  .main-menu-area {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: 70px auto;
    max-width: 740px;
    /* padding: 0 25px; */
  }

  .participate_box {
    max-width: 400px;
    height: 260px;
    padding: 30px 25px;
  }

  .participate_title {
    font-size: 30px;
  }

  .participate_date {
    font-size: 14px;
  }

  .main-menu-item {
    max-width: 400px;
    height: 220px;
  }

  .main-menu-item-content {
    padding: 28px 22px 22px;
  }

  .main-menu-item-content h3 {
    font-size: 1.3rem;
  }

  .icon-wrap {
    width: 48px;
    height: 48px;
    margin-bottom: 22px;
  }

  .icon-wrap > i.ri-information-line {
    font-size: 30px;
  }

  .icon-wrap > i.ri-search-line,
  .icon-wrap > i.ri-map-pin-line {
    font-size: 24px;
  }

  .circle_btn {
    width: 46px;
    height: 46px;
    font-size: 17px;
  }
}

/* 작은 태블릿 반응형 */
@media (max-width: 768px) {
  .main-visual-content img {
    content: url('../images/main_visual_m.webp');
  }

  .main-visual-content-inner {
    max-width: 100%;
    padding: 0 20px;
  }

  .main-info-box {
    width: 380px;
    height: 200px;
    bottom: 60px;
    right: 20px;
    font-size: 28px;
  }

  .main-info-box .title {
    margin: 28px 0 0 20px;
  }

  .main-info-box .date {
    font-size: 30px;
    margin: 55px 0 0 20px;
  }

  .main-info-box .date span {
    font-size: 14px;
  }
  /* S : 추가 수정 영역 */
  .date-box {
    height: 110px;
  }

  .date-box-inner {
    display: block;
    padding: 20px;
  }

  .date-box .title {
    font-size: 24px;
    line-height: 1.2;
  }

  .date-box .date {
    font-size: 32px;
    line-height: 1.4;
  }

  .date-box .date span {
    font-size: 16px;
    padding: 0 20px 0 8px;
  }
  /* E : 추가 수정 영역 */

  .main-menu-area {
    margin: 60px auto;
    max-width: 100%;
    padding: 0 20px;
  }

  .participate_box {
    max-width: 100%;
    height: 330px;
    padding: 28px 22px;
  }

  .participate_title {
    font-size: 28px;
  }

  .participate_date {
    display: block;
    font-size: 16px;
  }

  .main-menu-item {
    max-width: 100%;
    height: 180px;
  }

  .main-menu-item-content {
    padding: 25px 20px 20px;
  }

  .main-menu-item-content h3 {
    font-size: 1.2rem;
  }

  .icon-wrap {
    width: 45px;
    height: 45px;
    margin-bottom: 20px;
  }

  .icon-wrap > i.ri-information-line {
    font-size: 28px;
  }

  .icon-wrap > i.ri-search-line,
  .icon-wrap > i.ri-map-pin-line {
    font-size: 23px;
  }

  .circle_btn {
    width: 44px;
    height: 44px;
    font-size: 16px;
  }
}

/* 작은 모바일 화면 추가 최적화 */
@media (max-width: 600px) {
  .main-visual-content-inner {
    padding: 0 15px;
  }

  .main-info-box {
    width: 320px;
    height: 188px;
    bottom: 50px;
    right: 0;
    transform: translateX(-50%);
    left: 50%;
    font-size: 20px;
  }

  .main-info-box .title {
    margin: 20px 0 0 20px;
    font-size: 28px;
  }

  .main-info-box .date {
    font-size: 32px;
  }

  .main-info-box .date span {
    font-size: 16px;
    margin: 0 10px;
  }

  .main-menu-area {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 50px auto;
    max-width: 100%;
    padding: 0 20px;
    gap: 20px;
  }

  .participate_box {
    padding: 0;
    width: 320px;
    height: 100%;
  }

  .participate_box .d-day {
    width: 91px;
    height: 34px;
    font-size: 18px;
    margin: 0 0 20px;
  }

  .participate_title {
    font-size: 28px;
  }

  .participate_date {
    display: block;
    font-size: 16px;
    padding: 20px 0 40px;
  }

  .participate_box .insert_btn {
    width: 177px;
    height: 64px;
    font-size: 16px;
    border-radius: 50px;
    margin-bottom: 20px;
  }

  .main-menu-item {
    background-image: url('../images/menu_box_m.webp');
    height: 351px;
    width: 320px;
    min-height: 351px;
  }

  .main-menu-item-content {
    padding: 50px 30px;
  }

  .main-menu-item-content h3 {
    font-size: 23px;
    margin-bottom: 20px;
  }

  .main-menu-item-content p {
    font-size: 16px;
  }

  .icon-wrap {
    width: 64px;
    height: 64px;
    margin-bottom: 30px;
  }

  .icon-wrap > i.ri-information-line {
    font-size: 40px;
  }

  .icon-wrap > i.ri-search-line,
  .icon-wrap > i.ri-map-pin-line {
    font-size: 36px;
  }

  .circle_btn {
    width: 64px;
    height: 64px;
    font-size: 16px;
    bottom: 20px;
    left: 10px;
  }
}