/* Custom Styles for a premium feel */
body {
	font-family: 'Inter', sans-serif;
	background-color: #0D1117;
	color: #C9D1D9;
	overflow-x: hidden;
	scroll-behavior: smooth;
}
.font-poppins { font-family: 'Poppins', sans-serif; }
.gradient-text {
	background: linear-gradient(90deg, #38BDF8, #A78BFA, #F472B6);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}
.hero-bg {
	background-image: radial-gradient(circle at 50% 50%, rgba(38, 70, 83, 0.3) 0%, rgba(13, 17, 23, 0) 60%);
}
.glass-card {
	background: rgba(30, 41, 59, 0.5);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-radius: 1rem;
}
.step-line {
	position: absolute;
	left: 50%;
	transform: translateX(-50%);
	width: 2px;
	background: linear-gradient(to bottom, #38BDF8, #A78BFA, #F472B6);
	opacity: 0.3;
}
.step-dot {
	position: absolute;
	left: 50%;
	transform: translateX(-50%);
	width: 1rem;
	height: 1rem;
	border-radius: 50%;
	background-color: #38BDF8;
	box-shadow: 0 0 15px #38BDF8;
}
.stakeholder-tab.active {
	background: linear-gradient(90deg, #38BDF8, #A78BFA);
	color: #fff;
	box-shadow: 0 4px 15px rgba(167, 139, 250, 0.3);
}

/* Animation states */
.reveal-element {
	opacity: 0;
	transform: translateY(30px);
	transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-element.visible {
	opacity: 1;
	transform: translateY(0);
}
.book-container:hover .book-cover { transform: rotateY(-60deg); }
.book-cover { transition: transform 0.7s ease; transform-origin: left; }

.choice-card {
	border: 1px solid #374151;
	border-radius: 1rem;
	padding: 1.5rem;
	text-align: left;
}
/* Vertical timeline */
.timeline-container::before {
	content: '';
	position: absolute;
	left: 1rem;
	top: 0;
	bottom: 0;
	width: 4px;
	background: linear-gradient(to bottom, #38BDF8, #A78BFA, #F472B6);
	opacity: 0.1;
	border-radius: 2px;
}
@media (min-width: 768px) {
	.timeline-container::before {
		left: 50%;
		transform: translateX(-50%);
	}
}
.timeline-item {
	position: relative;
	padding-left: 3rem;
}
@media (min-width: 768px) {
	.timeline-item {
		width: 50%;
		padding-left: 2rem;
		padding-right: 2rem;
	}
	.timeline-item:nth-child(odd) {
		align-self: flex-start;
		padding-right: 4rem;
		padding-left: 0;
	}
	.timeline-item:nth-child(even) {
		align-self: flex-end;
		padding-left: 4rem;
		padding-right: 0;
	}
}
.timeline-dot {
	content: '';
	position: absolute;
	left: 1rem;
	top: 0.5rem;
	transform: translateX(-50%);
	width: 1.5rem;
	height: 1.5rem;
	border-radius: 9999px;
	background-color: #0D1117;
	border: 4px solid;
	box-shadow: 0 0 15px;
}

.timeline-dot-teacher {
	border-color: #A78BFA;
	box-shadow: 0 0 15px #A78BFA;
}

.timeline-dot-student {
	 border-color: #38BDF8;
	box-shadow: 0 0 15px #38BDF8;
}

@media (min-width: 768px) {
	.timeline-dot {
		left: 50%;
	}
	 .timeline-item:nth-child(odd) .timeline-dot {
		left: auto;
		right: -0.75rem;
		transform: translateX(50%);
	}
	 .timeline-item:nth-child(even) .timeline-dot {
		left: -0.75rem;
		 transform: translateX(-50%);
	}
}

/* Card Flip styles */
.benefit-card {
	background-color: transparent;
	min-height: 280px; /* Ensure cards have enough height */
	perspective: 1000px;
}
.benefit-card-inner {
	position: relative;
	width: 100%;
	height: 100%;
	transition: transform 0.8s;
	transform-style: preserve-3d;
}
.benefit-card:hover .benefit-card-inner {
	transform: rotateY(180deg);
}
.benefit-card-front, .benefit-card-back {
	position: absolute;
	width: 100%;
	height: 100%;
	-webkit-backface-visibility: hidden; /* Safari */
	backface-visibility: hidden;
}
.benefit-card-back {
	transform: rotateY(180deg);
}

/* Scrollytelling styles */
.scrolly-container {
	display: grid;
	grid-template-columns: 1fr;
}
 @media (min-width: 1024px) {
	.scrolly-container {
		grid-template-columns: 1fr 1fr;
		gap: 2rem;
		align-items: flex-start;
	}
 }

.scrolly-sticky-side {
	position: relative;
	height: 650px;
}
 @media (min-width: 1024px) {
	.scrolly-sticky-side {
		position: sticky;
		top: 120px;
		height: calc(100vh - 120px);
	}
 }

.scrolly-sticky-content {
	 display: flex;
	align-items: center;
	justify-content: center;
	height: 100%;
}

.scrolly-text-side {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}
 @media (min-width: 1024px) {
	.scrolly-text-side {
		 gap: 50vh; /* space between triggers */
		padding-bottom: 50vh;
	}
 }

.scrolly-step {
	transition: opacity 0.4s ease-in-out;
	opacity: 0.3;
}
.scrolly-step.is-active {
	opacity: 1;
}
.phone-screen-scrolly {
	background: #111827;
	position: relative;
	overflow: hidden;
}
.phone-feature-scrolly {
	position: absolute;
	inset: 0;
	padding: 1.5rem;
	opacity: 0;
	transform: translateX(20px);
	transition: opacity 0.4s ease, transform 0.4s ease;
}
.phone-feature-scrolly.active {
	 opacity: 1;
	transform: translateX(0);
}