html {
	scroll-behavior: smooth;
}

.sticky-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	z-index: 1000;
	padding: 20px 40px;
	transition: all 0.3s ease;
	border-bottom: 1px solid rgba(0, 0, 0, 0.1);
	transform: translateY(-100%);
	opacity: 0;
}

.sticky-header.visible {
	transform: translateY(0);
	opacity: 1;
}

.sticky-header.hidden {
	transform: translateY(-100%);
	opacity: 0;
}

.current-section {
	font-family: times_sans_serifregular;
	font-size: 28px;
	margin: 0;
	transition: all 0.3s ease;
	letter-spacing: 2px;
}

.section-nav {
	display: flex;
	gap: 30px;
	margin-top: 10px;
}

.section-nav a {
	color: rgba(0, 0, 0, 0.6);
	text-decoration: none;
	font-family: 'Montserrat', sans-serif;
	font-size: 14px;
	font-weight: 300;
	letter-spacing: 1px;
	text-transform: uppercase;
	transition: all 0.3s ease;
	position: relative;
}

.section-nav a.active {
	color: black;
}

.section-nav a::after {
	content: '';
	position: absolute;
	bottom: -5px;
	left: 0;
	width: 0;
	height: 1px;
	background: black;
	transition: width 0.3s ease;
}

.section-nav a.active::after {
	width: 100%;
}

.progress-indicator {
	position: fixed;
	right: 30px;
	top: 50%;
	transform: translateY(-50%);
	z-index: 1000;
	display: flex;
	flex-direction: column;
	gap: 15px;
}

.progress-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: rgba(0, 0, 0, 0.2);
	cursor: pointer;
	transition: all 0.3s ease;
}

.progress-dot.active {
	background: black;
	transform: scale(1.5);
}

.content-spacer {
	height: 120px;
}

.masonry-grid {
	width: 100%;
	opacity: 0;
	transform: translateY(30px);
	transition: all 0.6s ease;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 10px;
}

.masonry-grid.visible {
	opacity: 1;
	transform: translateY(0);
}

.masonry-grid-item {
	width: 32%;
	margin-bottom: 20px;
	break-inside: avoid;
	position: relative;
	float: left;
}

.masonry-grid-item img {
	width: 100%;
	height: auto;
	border-radius: 12px;
	box-shadow: 0 4px 20px rgba(0,0,0,0.1);
	transition: all 0.4s ease;
	display: block;
	max-width: 100%;
	object-fit: cover;
}

.masonry-grid-item img:hover {
	transform: scale(1.03) translateY(-5px);
	box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.photo-section {
	margin-bottom: 80px;
	min-height: 90vh;
	padding-top: 40px;
}

.section-title {
	margin-bottom: 40px;
	text-align: left;
	opacity: 0;
	transform: translateX(-30px);
	transition: all 0.6s ease;
}

.section-title.visible {
	opacity: 1;
	transform: translateX(0);
}

.intro-section {
	padding-top: 140px;
	padding-bottom: 60px;
}

@media (max-width: 768px) {
	.masonry-grid-item {
		width: calc(50% - 5px);
		margin-bottom: 15px;
	}
	.masonry-grid {
		gap: 8px;
	}
	.sticky-header {
		padding: 15px 20px;
	}
	.current-section {
		font-size: 24px;
	}
	.section-nav {
		gap: 20px;
	}
	.progress-indicator {
		right: 20px;
		gap: 12px;
	}
	.progress-dot {
		width: 12px;
		height: 12px;
	}
}

@media (max-width: 480px) {
	.masonry-grid-item {
		width: 100%;
		margin-bottom: 12px;
	}
	.masonry-grid {
		gap: 5px;
		flex-direction: column;
	}
	.sticky-header {
		padding: 12px 15px;
	}
	.current-section {
		font-size: 20px;
	}
	.section-nav {
		flex-wrap: wrap;
		gap: 15px;
	}
	.progress-indicator {
		right: 15px;
		gap: 10px;
	}
	.progress-dot {
		width: 14px;
		height: 14px;
	}
	.photo-section {
		margin-bottom: 60px;
		padding-top: 30px;
	}
}