/* common.css - 공통 스타일시트 */
/* 기본 리셋 및 공통 스타일 */

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

html {
	height: 100%;
	scroll-behavior: smooth;
	overflow-x: hidden;
	width: 100%;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	background-attachment: fixed;
}

body {
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	color: #2c3e50;
	margin: 0;
	overflow-x: hidden;
	padding-top: 70px;
	width: 100%;
	max-width: 100vw;
}

/* 네비게이션 */
.navbar {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	background: rgba(255, 255, 255, 0.08);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
	padding: 0 20px;
	transition: all 0.3s ease;
}

.navbar.scrolled {
	background: rgba(255, 255, 255, 0.12);
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
	max-width: 1200px;
	margin: 0 auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 70px;
}

.nav-logo {
	font-size: 24px;
	font-weight: 700;
	color: #ffffff;
	text-decoration: none;
	letter-spacing: -0.5px;
	transition: transform 0.3s ease;
}

.nav-logo:hover {
	transform: scale(1.05);
}

.nav-menu {
	display: flex;
	list-style: none;
	gap: 30px;
	align-items: center;
	margin: 0;
	padding: 0;
}

.nav-menu a {
	color: rgba(255, 255, 255, 0.9);
	text-decoration: none;
	font-size: 15px;
	font-weight: 500;
	letter-spacing: 0.3px;
	transition: all 0.3s ease;
	position: relative;
	padding: 8px 0;
	white-space: nowrap;
}

.nav-menu a::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 2px;
	background: rgba(255, 255, 255, 0.9);
	transition: width 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
	color: #ffffff;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
	width: 100%;
}

.nav-toggle {
	display: none;
	flex-direction: column;
	cursor: pointer;
	gap: 5px;
}

.nav-toggle span {
	width: 25px;
	height: 2px;
	background: #ffffff;
	transition: all 0.3s ease;
	border-radius: 2px;
	transform-origin: center;
}

/* 공통 애니메이션 */
@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes slideInScale {
	from {
		opacity: 0;
		transform: scale(0.8) translateY(20px);
	}
	to {
		opacity: 1;
		transform: scale(1) translateY(0);
	}
}

@keyframes type {
	from {
		box-shadow: inset -4px 0px 0px rgba(255, 255, 255, 0.8);
	}
	to {
		box-shadow: inset -4px 0px 0px transparent;
	}
}

@keyframes scaleIn {
	from {
		transform: scale(0.8);
		opacity: 0;
	}
	to {
		transform: scale(1);
		opacity: 1;
	}
}

/* 반응형 디자인 */
@media (max-width: 1024px) {
	.nav-menu {
		gap: 20px;
	}

	.nav-menu a {
		font-size: 14px;
	}
}

@media (min-width: 769px) and (max-width: 900px) {
	.nav-menu {
		gap: 15px;
	}

	.nav-menu a {
		font-size: 13px;
		padding: 6px 0;
	}
}

@media (max-width: 768px) {
	body {
		padding-top: 60px;
	}

	.navbar {
		padding: 0 16px;
	}

	.nav-container {
		height: 60px;
	}

	.nav-logo {
		font-size: 20px;
	}

	.nav-menu {
		position: fixed;
		top: 60px;
		left: 0;
		right: 0;
		background: rgba(102, 126, 234, 0.95);
		backdrop-filter: blur(20px);
		-webkit-backdrop-filter: blur(20px);
		flex-direction: column;
		padding: 20px;
		gap: 0;
		transform: translateY(-100%);
		opacity: 0;
		visibility: hidden;
		transition: all 0.3s ease;
		border-bottom: 1px solid rgba(255, 255, 255, 0.1);
	}

	.nav-menu.active {
		transform: translateY(0);
		opacity: 1;
		visibility: visible;
	}

	.nav-menu a {
		width: 100%;
		padding: 16px 0;
		border-bottom: 1px solid rgba(255, 255, 255, 0.1);
		text-align: center;
	}

	.nav-menu li:last-child a {
		border-bottom: none;
	}

	.nav-toggle {
		display: flex;
	}

	.nav-toggle.active span:nth-child(1) {
		transform: rotate(45deg) translate(7px, 7px);
	}

	.nav-toggle.active span:nth-child(2) {
		opacity: 0;
	}

	.nav-toggle.active span:nth-child(3) {
		transform: rotate(-45deg) translate(7px, -7px);
	}
}

@media (max-width: 480px) {
	.navbar {
		padding: 0 12px;
	}
}