@charset "utf-8";
@layer reset, form;

:root {
	--header-height: clamp(60rem, calc(100 / var(--container) * 100vw), 100rem);
	--container-narrow: 1280;
	--container: 1400;
	--container-wide: 1700;
	--container-scale: 0.92;
	--container-edge-offset: calc((1 - var(--container-scale)) / 2 * 100vw);
	--primary: #1a509e;
	--secondary: #e87a4a;
	--placeholder-bg: #444444;
	--white: #fff;
	--black: #222;
	--border-color: #ddd; /* components.css 공유 */
	--border-color-hover: #444; /* components.css 공유 */
	--font-pret: "Pretendard Variable", "Pretendard", "Malgun Gothic", "Dotum", "Gulim", sans-serif;
	--font-sans: var(--font-pret);
	--font-gmarket: "GMarketSans", sans-serif;
	--font-play: "Play", sans-serif;
	--toggle-nav-button-size: 24rem;
	/* 
     * 사이트 공통 이미지 플레이스홀더 변수
     * 
     * - --placeholder-image-bg : 기본 배경색 (이미지 로딩 실패 또는 미설정 시 표시)
     * - --placeholder-image-url : 플레이스홀더 로고 이미지 경로
     * - --placeholder-image-size : 플레이스홀더 로고 크기 (최대 크기 제한 포함)
     *
     * layout.css 에 선언하여 전역에서 동일한 디자인 컨셉 유지 및 관리.
     * 접근성 향상을 위해 이미지가 없을 경우에도 시각적 빈 공간이 없도록 함.
     */
	--placeholder-image-bg: #e0e0e0;
	--placeholder-image-url: url("/assets/images/layouts/placeholder-image.png");
	--placeholder-image-size: min(60%, 200rem);
}
@supports (interpolate-size: allow-keywords) {
	:root {
		interpolate-size: allow-keywords;
	}
}

/* #region view transition, scroll behavior */
/* html{ scroll-padding-top: var(--header-height); } */
@media (prefers-reduced-motion: no-preference) {
	/* @view-transition  { navigation: auto; } */
	html { scroll-behavior: smooth; }
}
/* #endregion view transition, scroll behavior */

.site-header {position: absolute;inset: 0 0 auto;z-index: 10;border-bottom: 1rem solid rgb(255 255 255 / 20%);
	.container {display: flex;align-items: center;justify-content: space-between;height: var(--header-height);}
	.logo { position: relative; display: inline-block; justify-self: start; }
	.logo-image {display: block;width: auto;height: clamp(40rem, calc(50 / var(--container) * 100vw), 50rem);}
	.main-nav {
		.nav-menu-level-1 { display: flex; }
		.nav-item-level-1 { position: relative; }
		.nav-link-level-1 {display: flex;align-items: center;padding: .4lh clamp(10rem, calc(50.5 / 1920 * 100vw), 50.5rem);font: 18rem var(--font-sans);color: #fff;
			summary&::after{ content: ''; flex-shrink: 0; margin-left: 1ch; width: .45em; aspect-ratio: 1; border: solid currentColor; border-width: 0 1rem 1rem 0; rotate: 45deg; translate: 0 -25%; display: none;}
			[open] summary&::after{ rotate: -135deg; translate: 0 25%; }
		}
		.nav-menu-level-2 {position: absolute;top: 60rem;left: 50%;width: max-content;min-width: 150rem;background: #fff;border-top: 2rem solid #488fcb;transform: translateX(-50%);border-radius: 10rem;overflow: hidden;}
		.nav-link-level-2 {display: block;padding: 15rem;font-size: 16rem;font-weight: 600;text-align: center;color: #777;}
		.nav-link-level-2:hover {color: #fff;background: #488fcb;}
		.nav-item-level-2 + .nav-item-level-2 {border-top: 1px solid #eee;}
		
			.nav-details-level-1::details-content, .nav-menu-level-2 { transition: 0.3s allow-discrete; }
			.nav-details-level-1 {
				&::details-content { opacity: 0; }
				&[open]::details-content { opacity: 1; }
			}
			.nav-details-level-1:not([open]) .nav-menu-level-2 { top: 150%; }
			
			.nav-menu-level-2 {opacity:0; visibility: hidden;}
			.nav-details-level-1:hover .nav-menu-level-2 {opacity:1;visibility: visible;}
			
		
		@media (width < 1280px) {
			display: none;
		}
	}
	.toggle-nav-button {position: relative;cursor: pointer;display: flex;gap: 6rem;flex-direction: column;align-items: flex-end;
		.bar {display: block;width: 50rem;height: 2rem;border-radius: 50rem;background: #fff;}
		.bar-1 {width: 30rem;}
		.bar-3 { translate: 0 8rem; }
	}
	.toggle-nav { --border-color: #eaeaea; --padding-block: 15rem; --padding-inline: 16rem; left: auto; z-index: 12; width: 100%; max-width: 280rem; height: 100dvh; padding: 0; color: #000; background: #fff; border: 0;
		&::backdrop { background: #000; }
		.toggle-nav-header { display: grid; align-items: center; justify-content: flex-end; height: var(--header-height); }
		.toggle-nav-close { position: relative; display: block; width: var(--toggle-nav-button-size); aspect-ratio: 1; margin-right: 16rem; background: 0;
			&::before, &::after { position: absolute; top: 50%; left: 0; display: block; width: 100%; height: 2px; background: currentcolor; transform: translateY(-50%) rotate(45deg); content: ""; }
			&::after { transform: translateY(-50%) rotate(-45deg); }
		}
		.nav-menu-level-1 {
			.nav-item-level-1 { border-top: 1px solid var(--border-color); }
			.nav-item-level-1:last-child { border-bottom: 1px solid var(--border-color); }
			.nav-link-level-1 { position: relative; display: block; width: 100%; padding: var(--padding-block) 30rem var(--padding-block) var(--padding-inline); font-size: 16rem; text-align: left; }
			summary.nav-link-level-1::before { position: absolute; inset: 0; display: block; width: 8rem; aspect-ratio: 1; margin: auto 16rem auto auto; border: solid currentcolor; border-width: 0 1px 1px 0; transform: rotate(45deg) translateY(-75%); content: ""; }
			[open] summary.nav-link-level-1::before { translate: 0 -50%; scale: 1 -1; }
			::details-content { height: 0; overflow: clip; }
			[open]::details-content { height: auto; }
			.nav-menu-level-2 { background: #f8f8f8; }
			.nav-item-level-2 { border-top: 1px solid var(--border-color); }
			.nav-link-level-2 { position: relative; display: block; padding: var(--padding-block) var(--padding-inline); font-size: 14rem; }
		}
		
			translate: 100%; transition: 0.3s allow-discrete;
			&::backdrop { opacity: 0; transition: 0.3s allow-discrete; }
			&:popover-open { translate: 0;
				&::backdrop { opacity: 0.6; }
				@starting-style { translate: 100%;
					&::backdrop { opacity: 0; }
				}
			}
			.nav-menu-level-1 {
				.nav-link-level-1, summary::before, ::details-content { transition: 0.3s allow-discrete; }
				::details-content { height: 0; overflow: clip; }
				[open]::details-content { height: auto; }
			}
		
	}
}

.site-footer { padding-block: 55rem; color: #999; background: #222222;
	
	.container { display: flex; flex-direction: row-reverse; justify-content: space-between; align-items: center; }
	.site-info { display: flex; flex-direction: column; align-items: flex-start; max-width: 850rem; gap: 40rem; }
	.site-info .logo-image { height: 50rem; width: 100%; display: flex; }
	.site-info .site-info-list { display: flex; gap: 20rem 30rem; flex-wrap: wrap; }
	.site-info .site-info-list .site-info-item { display: flex; gap: 15rem; }
	.site-info .site-info-list .site-info-item dd { font-weight: 600; }
	.terms-nav .nav-menu { display: flex; flex-direction: column; gap: 10rem; }
	.terms-nav .nav-menu .nav-link { display: flex; padding: 15rem 20rem; align-items: center; justify-content: center; background: #323232; font-weight: 500; color: #fff; border-radius: 5rem; line-height: 1.2; min-width: 180rem; }

	@media(max-width: 1023px){
		.container {flex-direction: column; gap: 40rem;}
		.terms-nav .nav-menu {flex-direction: row;}
		.terms-nav .nav-menu .nav-link {min-width: unset;}
	}
}

.back-to-top { 
	position: fixed; bottom: 20rem; right: -20%; opacity: 0; visibility: hidden; transition: all .6s; 

	&.show { right: 20rem; opacity: 1; visibility: visible; }
	button { display: flex; background: #222; color: #fff; flex-direction: column; width: clamp(50rem, calc(70 / var(--container) * 100vw), 70rem); height: auto; padding: 10rem; aspect-ratio: 1; align-items: center; justify-content: center; gap: 8rem; border-radius: 100rem; font-size: 14rem; }
	button img { transform: rotate(-90deg); height: 12rem; object-fit: contain; display: block; }
}