:root {
	--bg-main: #ffffff;
	--bg-soft: #f7f7f7;
	--bg-elevated: #ffffff;
	--text-main: #111111;
	--text-sub: #777777;
	--accent: #111111;
	--line-soft: #eeeeee;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: "Pretendard", "Noto Sans KR", sans-serif;
	background: var(--bg-main);
	color: var(--text-main);
	-webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar {
	width: 10px;
}

::-webkit-scrollbar-track {
	background: transparent;
}

::-webkit-scrollbar-thumb {
	background: rgba(0,0,0,0.18);
	border-radius: 10px;
	transition: 0.25s;
}

::-webkit-scrollbar-thumb:hover {
	background: rgba(0,0,0,0.4);
}

.hero-banner {
    width: 100%;
    height: 300px;
    background: linear-gradient(rgba(0,0,0,0.2), rgba(0,0,0,0.2)), 
                url('../images/Event.jpg') no-repeat center/cover;
    display: flex;
    align-items: center;

    padding-top: 60px;
    box-sizing: border-box;
}

.hero-content {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    padding: 0 20px;
	margin-top: 50px;
}

.hero-content h1 {
    color: #fff;
    font-size: 36px;
    font-weight: 700;
}

.hero-banner + .section {
	padding-top: 90px;
}

.section {
	padding: 140px 120px 140px;
	position: relative;
}

.section--soft {
	background: linear-gradient(
		to bottom,
		#ffffff 0%,
		#fafafa 40%,
		#f7f7f7 100%
	);
	min-height: auto;

	display: flex;
	flex-direction: column;
	justify-content: center;
}

.section__content {
	max-width: 820px;
	margin: 0 auto 60px;
}

.section h2 {
	font-size: 36px;
	margin-bottom: 18px;
	text-align: center;
	font-weight: 600;
	letter-spacing: 1px;
}

.section p {
	font-size: 15px;
	color: var(--text-sub);
	line-height: 1.8;
	text-align: center;
}

.collection__grid {
	max-width: 1100px;
	margin: 0 auto 30px;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 24px;
}

.collection__item {
	background: var(--bg-elevated);
	padding: 38px 24px;
	border-radius: 18px;
	text-align: center;
	font-size: 14px;
	letter-spacing: 0.5px;
	border: 1px solid rgba(0,0,0,0.04);
	box-shadow:
		0 10px 30px rgba(0,0,0,0.04),
		0 2px 6px rgba(0,0,0,0.03);
	transition: 0.35s;
	cursor: pointer;
	position: relative;
	overflow: hidden;
}

.collection__item::before {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(
		120deg,
		transparent 30%,
		rgba(255,255,255,0.6),
		transparent 70%
	);
	opacity: 0;
	transition: 0.5s;
}

.collection__item:hover::before {
	opacity: 1;
}

.collection__item:hover {
	transform: translateY(-8px);
	box-shadow:
		0 18px 45px rgba(0,0,0,0.06),
		0 4px 10px rgba(0,0,0,0.04);
}

.button {
	border: 1px solid var(--accent);
	background: transparent;
	padding: 14px 32px;
	font-size: 13px;
	letter-spacing: 1px;
	cursor: pointer;
	transition: 0.25s;
	margin-top: 30px;
}

.button:hover {
	background: var(--accent);
	color: white;
}

.sound-toggle {
	cursor: pointer;
}

.sound-toggle:hover {
	opacity: 1;
}

.section,
.collection__item {
	animation: fadeUp 0.8s ease;
}

@keyframes fadeUp {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@media (max-width: 768px) {

    .hero-banner {
        height: 200px;
        padding-top: 70px;
    }

    .hero-content h1 {
        font-size: 28px;
    }

	.section {
		padding: 95px 20px 70px;
		text-align: center;
	}

	.section__content {
		margin: 0 auto 40px;
	}

	.section h2 {
		font-size: 26px;
		text-align: center;
	}

	.section p {
		text-align: center;
		font-size: 14px;
		line-height: 1.7;
	}

	.collection__grid {

		display: grid;
		grid-template-columns: 2fr;
		gap: 14px;

		max-width: 100%;
	}

	.collection__item {

		padding: 26px 18px;
		border-radius: 14px;

		text-align: center;

		box-shadow:
			0 6px 18px rgba(0,0,0,0.05),
			0 1px 3px rgba(0,0,0,0.04);
	}

	.button {
		width: 100%;
		margin-top: 24px;
	}

	.menu-trigger {
		display: flex;
	}
}