:root {
	--bg-main: #cfd1f1;
	--row-gap: 2.2rem;
	--header-safe-top: max(1rem, env(safe-area-inset-top));
}

* {
	box-sizing: border-box;
}

html,
body {
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
}

body {
	font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
	background: radial-gradient(circle at 20% 10%, #dbddf8 0%, var(--bg-main) 45%, #c7caef 100%);
	color: #0a1130;
	max-width: 100vw;
	max-height: 100vh;
	overflow: hidden;
}

body::before {
	display: block;
	width: 100vw;
	height: 100vh;
	content: "";
	position: fixed;
	inset: 0;
	pointer-events: none;
	background-image: linear-gradient(140deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03));
}

.site-header {
	position: fixed;
	top: var(--header-safe-top);
	left: max(1rem, env(safe-area-inset-left));
	z-index: 30;
	padding: 0.65rem 0.85rem;
	border-radius: 0.95rem;
	background: rgba(247, 248, 252, 0.78);
	backdrop-filter: blur(8px);
	box-shadow: 0 10px 28px rgba(38, 45, 108, 0.16);
}

.brand-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
}

.brand-link img {
	width: 170px;
	height: auto;
	display: block;
}

.teaser-main {
	width: 100vw;
	height: 100vh;
	overflow: hidden;
	position: relative;
}

.site-footer {
	position: fixed;
	right: max(1rem, env(safe-area-inset-right));
	bottom: max(1rem, env(safe-area-inset-bottom));
	z-index: 30;
	padding: 0.45rem 0.75rem;
	border-radius: 0.7rem;
	background: rgba(247, 248, 252, 0.72);
	backdrop-filter: blur(6px);
	box-shadow: 0 8px 22px rgba(38, 45, 108, 0.14);
}

.site-footer p {
	margin: 0;
	font-size: 0.78rem;
	line-height: 1.3;
	letter-spacing: 0.01em;
	color: rgba(8, 12, 46, 0.82);
}

.logo-wall {
	position: absolute;
	inset: -22vh -28vw;
	display: flex;
	align-items: center;
	justify-content: center;
	transform: rotate(-24deg);
}

.logo-wall-inner {
	width: 200%;
	display: flex;
	flex-direction: column;
	gap: var(--row-gap);
}

.logo-row {
	width: 100%;
	display: flex;
	align-items: center;
	overflow: visible;
	user-select: none;
}

.logo-track {
	display: inline-flex;
	align-items: center;
	gap: 1.35rem;
	width: max-content;
	will-change: transform;
}

.logo-card {
	width: clamp(168px, 15vw, 240px);
	aspect-ratio: 1 / 1;
	border-radius: 0;
	display: grid;
	place-items: center;
	padding: 0;
	text-decoration: none;
	transition: transform 280ms ease, filter 280ms ease;
}

.logo-card img {
	width: 100%;
	height: 100%;
	object-fit: contain;
	display: block;
	pointer-events: none;
}

.logo-card-white {
	background: transparent;
}

.logo-card-blue {
	background: transparent;
}

.logo-card:hover,
.logo-card:focus-visible {
	transform: translateY(-6px) scale(1.02);
	filter: saturate(1.06);
}

.logo-card:focus-visible {
	outline: 3px solid rgba(8, 12, 46, 0.72);
	outline-offset: 4px;
}

@media (max-width: 1024px) {
	.logo-wall {
		inset: -14vh -44vw;
		transform: rotate(-22deg);
	}

	.logo-wall-inner {
		width: 260%;
	}

	.logo-card {
		width: clamp(144px, 26vw, 188px);
	}

	.brand-link img {
		width: 150px;
	}
}

@media (max-width: 640px) {
	:root {
		--row-gap: 1.3rem;
	}

	.site-header {
		top: 0.8rem;
		left: 0.8rem;
		padding: 0.5rem 0.65rem;
	}

	.site-footer {
		left: 50%;
		right: auto;
		bottom: max(0.75rem, env(safe-area-inset-bottom));
		transform: translateX(-50%);
		padding: 0.4rem 0.65rem;
	}

	.site-footer p {
		font-size: 0.72rem;
	}

	.brand-link img {
		width: 132px;
	}

	.logo-wall {
		inset: -8vh -90vw;
		transform: rotate(-20deg);
	}

	.logo-wall-inner {
		width: 380%;
	}

	.logo-track {
		gap: 0.95rem;
	}

	.logo-card {
		width: 130px;
		padding: 0;
	}
}

@media (prefers-reduced-motion: reduce) {
	.logo-track {
		transform: none !important;
	}
}