*,
*::after,
*::before {
	box-sizing: border-box;
}

:root {
	font-size: 16px;
  --color-text: #f5f3ee;
  --color-bg: #0e0d0e;
  --color-link: #ffffff;
  --color-link-hover: #ffffff;
	--page-padding: 0.5rem;
	--grid-gap: var(--page-padding);
	--color-bg-content: #0e0d0e;
	--color-bg-frame: #7a7364;
	--color-border: #46443e;
}

html,
body {
	width: 100vw;
	overflow-x: hidden;
}

body {
	margin: 0;
	color: var(--color-text);
	background-color: var(--color-bg);
	font-family: "area-variable", sans-serif;
	font-variation-settings: "slnt" 0, "wdth" 100, "wght" 450, "INKT" 0;
	font-weight: 450;
	line-height: 1.2;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

/* Page Loader */
.js .loading::before,
.js .loading::after {
	content: '';
	position: fixed;
	z-index: 1000;
}

.js .loading::before {
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: var(--color-bg);
}

.js .loading::after {
	top: 50%;
	left: 50%;
	width: 60px;
	height: 60px;
	margin: -30px 0 0 -30px;
	border-radius: 50%;
	opacity: 0.4;
	background: var(--color-link);
	animation: loaderAnim 0.7s linear infinite alternate forwards;

}

@keyframes loaderAnim {
	to {
		opacity: 1;
		transform: scale3d(0.5,0.5,1);
	}
}

a {
	text-decoration: none;
	color: var(--color-link);
	outline: none;
	cursor: pointer;
}

a:hover {
	text-decoration: underline;
	color: var(--color-link-hover);
	outline: none;
}

/* Better focus styles from https://developer.mozilla.org/en-US/docs/Web/CSS/:focus-visible */
a:focus {
	/* Provide a fallback style for browsers
	 that don't support :focus-visible */
	outline: none;
	background: lightgrey;
}

a:focus:not(:focus-visible) {
	/* Remove the focus indicator on mouse-focus for browsers
	 that do support :focus-visible */
	background: transparent;
}

a:focus-visible {
	/* Draw a very noticeable focus style for
	 keyboard-focus on browsers that do support
	 :focus-visible */
	outline: 2px solid red;
	background: transparent;
}

.unbutton {
	background: none;
	border: 0;
	padding: 0;
	margin: 0;
	font: inherit;
	cursor: pointer;
}

.unbutton:focus {
	outline: none;
}

.type-tiny,
.cdawrap {
	font-size: 11px;
	text-transform: uppercase;
	font-weight: 400;
	font-variation-settings: "wght" 400;
}

.frame {
	padding: var(--page-padding);
	text-transform: uppercase;
	position: relative;
	display: grid;
	line-height: 1;
	height: 100vh;
	grid-row-gap: 0.5rem;
	grid-column-gap: 2rem;
	justify-items: start;
	align-content: start;
	background: var(--color-bg-frame);
	grid-template-columns: auto auto;
	grid-template-rows: auto auto auto 1fr;
	grid-template-areas: 'logo' 'tags' 'sponsor' 'subline' 'title';
}

.frame #cdawrap {
  justify-self: start;
}

.frame__title {
	white-space: nowrap;
  grid-area: title;
  font-size: clamp(2rem,20vw,20rem);
  margin: 0;
  letter-spacing: -0.05em;
  padding-top: 0.15em;
  font-weight: 400;
  line-height: 0.55;
  text-indent: -0.065em;
  word-spacing: 0.15em;
  font-family: "bricolage-grotesque-48", sans-serif;
}

.frame__subline {
	grid-area: subline;
}

.frame__tags {
  grid-area: tags;
}

.frame__logo {
	grid-area: logo;
	padding-bottom: 0.15rem;
	font-size: 1.5rem;
	font-family: "bricolage-grotesque-48", sans-serif;
}

.flex-line {
	display: flex;
	gap: 1rem;
	flex-wrap: wrap;
}

.content {
	position: relative;
	min-height: 100dvh;
	background: var(--color-bg-content);
	align-content: center;
}

.content--cutoff {
	overflow: hidden;
}

.content--padded {
	padding: var(--page-padding);
}

.content--full {
	display: grid;
	height: 100vh;
	place-items: center;
	grid-template-areas: 'main';
	grid-template-rows: 100%;
	grid-template-columns: 100%;
}

.content__text {
	font-size: 1.7rem;
	max-width: 625px;
	line-height: 1.4;
	margin: 0.5rem 0;
	font-weight: 500;
	font-variation-settings: "wght" 500;
	text-wrap: balance;
	letter-spacing: -0.025em;
}

.grid {
	grid-area: main;
	display: grid;
	width: 100%;
	height: 100%;
	grid-template-columns: repeat(8,1fr);
	grid-template-rows: 1fr 1fr 1fr;
}

.grid--spaced {
	gap: var(--grid-gap);
}

.grid--zoomed {
	gap: 2rem;
	grid-template-columns: repeat(3, 70%);
	grid-template-rows: repeat(3, 60%);
	justify-content: center;
	align-content: center;
	aspect-ratio: 2 / 1;
}

.grid--zoomed .grid__img {
	width: 100%;
	height: 100%;
}

.grid--columns {
  grid-template-columns: repeat(5,1fr);
	grid-template-rows: repeat(2,min-content);
  align-content: center;
}

.grid--single {
  height: auto;
  justify-self: center;
}

.grid--column {
	grid-template-columns: repeat(15, calc((100% - 14 * 10px) / 15));
  gap: 10px;
	grid-template-rows: auto;
}

.grid__img:has(.grid__img-inner) {
	position: relative;
	overflow: hidden;
	display: grid;
	place-items: center;
	max-height: 100%;
	min-width: 100%;
}

.grid__img .grid__img-inner {
	width: 100%;
	height: 100%;
	background-size: cover;
	background-position: 50% 50%;
	will-change: transform;
}

.ar-wide {
	aspect-ratio: 4/3;
}

.ar-narrow {
	aspect-ratio: 2/3;
}

.ar-rect {
	aspect-ratio: 1;
}

.span-2 {
	grid-column: auto / span 2;
}

.span-3 {
	grid-column: auto / span 3;
}

.grid--small {
	grid-template-columns: repeat(9,1fr);
	grid-auto-rows: 1fr;
}
.grid--split {
	grid-template-columns: 1fr 1fr;
	grid-template-rows: 100vh;
	width: 100vw;
	height: 100vh;
	gap: 0;
	margin: 0;
}

.grid--split .grid__img {
	width: 100%;
	height: 100%;
	aspect-ratio: auto;
	position: relative;
	overflow: hidden;
}


.grid--tiny {
	height: 60vh;
	grid-template-columns: repeat(14,1fr);
	grid-auto-rows: auto;
}

.grid--wide {
	grid-template-columns: repeat(5,1fr);
	grid-template-rows: repeat(4,1fr);
}

.pos-1 { grid-area: 1 / 1; }
.pos-2 { grid-area: 1 / 3; }
.pos-3 { grid-area: 1 / 4; }
.pos-4 { grid-area: 1 / 5; }
.pos-5 { grid-area: 1 / 7; }
.pos-6 { grid-area: 2 / 1; }
.pos-7 { grid-area: 2 / 3; }
.pos-8 { grid-area: 2 / 4; }
.pos-9 { grid-area: 2 / 6; }
.pos-10 { grid-area: 2 / 7; }
.pos-11 { grid-area: 2 / 8; }
.pos-12 { grid-area: 3 / 1; }
.pos-13 { grid-area: 3 / 2; }
.pos-14 { grid-area: 3 / 4; }
.pos-15 { grid-area: 3 / 5; }
.pos-16 { grid-area: 3 / 7; }
.pos-17 { grid-area: 3 / 8; }
.pos-18 { grid-area: 2 / 5; }

.grid__img {
	background-size: cover;
	background-position: 50% 50%;
	pointer-events: none;
	will-change: transform;
	transform: translateZ(0.1px);
}

.grid--columns .grid__img {
	height: min-content;
	aspect-ratio: 2 / 3;
}

.content__title {
	grid-area: main;
	position: relative;
	display: flex;
	flex-direction: column;
}

.content__title-main {
	font-size: clamp(2rem, 7vw, 4.5rem);
	line-height: 1;
	margin: 0.5rem 0 0;
	font-weight: 500;
	font-variation-settings: "wght" 500;
	text-wrap: balance;
	letter-spacing: -0.025em;
}

.content__title-main + p {
	margin: 0;
	max-width: 100px;
}

.center {
	text-align: center;
}

.right {
	text-align: right;
}

.end {
	align-self: end;
}

.acenter {
	align-self: center;
}

.page-footer {
	padding: var(--page-padding);
	position: relative;
	display: grid;
	width: 100%;
	grid-row-gap: 1rem;
	grid-column-gap: 2rem;
	justify-items: start;
	margin-top: 40vh;
	grid-template-columns: auto;
	justify-content: space-between;
}

@media (max-aspect-ratio: 16/9) {
  .grid:not(.grid--zoomed):not(.grid--split) {
    width: 100%; 
    height: auto; 
    aspect-ratio: 16/9;
  }
}

@media screen and (min-width: 53em) {
	body {
		--page-padding: 1rem;
	}
	.frame {
		grid-template-columns: 20% 1fr 1fr;
		grid-template-rows: min-content 1fr auto;
		grid-row-gap: 15vh;
		align-items: center;
		grid-template-areas: 'logo tags sponsor' '... ... subline' 'title title title' ;
	}
	.frame__links {
		margin-left: 3rem;
	}
	.frame__subline {
		align-self: end;
	}
	.frame__title {
		align-self: end;
	}
	.frame #cdawrap {
		text-align: right;
		max-width: 250px;
		justify-self: end;
	}
	.page-footer {
		grid-template-columns: repeat(3,auto);
	}
}

/* 추가된 인트로 텍스트 스타일 */
.intro-title {
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	font-size: clamp(2rem, 6.5vw, 5.3rem);
	font-weight: 500;
	color: var(--color-link);
	z-index: 100;
	pointer-events: none;
	opacity: 0;
	white-space: nowrap;
}

/* 중앙 집중형 텍스트 + 버튼 (마우스 호버 시 텍스트 스타일 전환) */
.grid__img-content {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 1.5rem;
	/* 호버 시 배경이 밝아질 때 텍스트를 잡아주기 위한 은은한 원형 그라데이션 (평소엔 투명함에 가깝게) */
	background: radial-gradient(circle, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0) 50%);
	transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
	z-index: 10;
}

.img-title {
	margin: 0;
	font-size: clamp(2rem, 4vw, 3rem);
	font-weight: 700;
	letter-spacing: -1px;
	color: #fff;
	text-transform: uppercase;
	text-shadow: 0 4px 15px rgba(0,0,0,0.8);
	text-align: center;
	transform: scale(0.95);
	transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.img-title-sub {
	font-size: 0.8em; /* 메인 텍스트보다 약 1.2배 작게 설정 */
	font-weight: 500;
	display: block; /* 줄바꿈을 원할 경우 block, 아니면 제거 */
	margin-top: 5px;
}

.img-description {
	margin: 0;
	font-size: 1.44rem;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.95);
	text-align: center;
	text-shadow: 0 4px 12px rgba(0,0,0,0.8);
	opacity: 0;
	transform: translateY(10px);
	transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.img-btns {
	display: flex;
	gap: 1rem;
	opacity: 0;
	transform: translateY(20px);
	transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.img-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 1.1rem;
	font-weight: 500;
	line-height: 1;
	/* 상/하단 패딩의 중간값으로 미세 조정하여 황금 밸런스를 찾습니다 */
	padding: 1.05rem 1.6rem 0.75rem; 
	border-radius: 50px;
	transition: all 0.3s ease;
	cursor: pointer;
	text-decoration: none !important;
}

.img-link--primary {
	background: transparent;
	color: #fff !important;
	border: 1px solid #fff;
}

/* 첫 번째 상품 (더해피450) 호버 스타일: 어두운 배경 + 흰색 테두리 */
.grid__img:nth-child(1) .img-link--primary:hover {
	background: #111;
	color: #fff !important;
	border-color: #fff;
}

/* 두 번째 상품 (스마트케어330) 호버 스타일: 흰색 배경 + 검은 글자 (이전 상태로 복구) */
.grid__img:nth-child(2) .img-link--primary:hover {
	background: #fff;
	color: #000 !important;
	border-color: #fff;
}

.img-link--secondary {
	background: transparent;
	color: #0071e3 !important;
	border: 1px solid #0071e3;
}

.img-link--secondary:hover {
	background: #0071e3;
	color: #fff !important;
}

/* 호버 시 텍스트 및 버튼 트랜지션 (모바일 터치 클래스 포함) */
.grid__img:hover .grid__img-content,
.grid__img.is-hovered .grid__img-content {
	/* 이미지가 밝아질 때 버튼 영역 주변만 살짝 어둡게 눌러줌 */
	background: radial-gradient(circle, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0) 70%);
}

.grid__img:hover .img-title,
.grid__img.is-hovered .img-title {
	transform: scale(1);
	text-shadow: 0 4px 20px rgba(0,0,0,0.9);
}

.grid__img:hover .img-description,
.grid__img.is-hovered .img-description {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.05s;
}

.grid__img:hover .img-btns,
.grid__img.is-hovered .img-btns {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.1s; /* 타이틀/설명보다 살짝 늦게 올라옴 */
}

/* 모바일 화면 요소 조정 (상하단 분리 및 타이틀-버튼 밸런스) - 우선순위를 위해 최하단 배치 */
.mobile-only {
	display: none;
}

@media screen and (max-width: 768px) {
	.grid--split {
		grid-template-columns: 1fr;
		grid-template-rows: 50vh 50vh;
	}
	
	.img-title {
		font-size: 2.5rem; /* 모바일 전용 폰트 사이즈 (1.2배 축소) */
	}

	.img-link {
		font-size: 1rem; /* 모바일에서 버튼 크기는 날씬하게 유지 */
		padding: 1rem 2rem 0.8rem;
	}

	.mobile-only {
		display: block;
	}
}