@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
	--primary: #2563eb;
	--primary-light: #3b82f6;
	--primary-dark: #1d4ed8;
	--secondary: #1e40af;
	--accent: #06b6d4;
	--background: #0f172a;
	--surface: #1e293b;
	--surface-light: #334155;
	--text: #f8fafc;
	--text-muted: #94a3b8;
	--text-secondary: #cbd5e1;
	--border: #475569;
	--success: #10b981;
	--warning: #f59e0b;
	--error: #ef4444;
}

html,
body {
	overscroll-behavior: none;
	overflow-x: hidden;
	overflow-y: auto;
	font-family: 'Inter', sans-serif;
	color: var(--text);
	background: var(--background);
	scroll-behavior: smooth;
	padding-right: 0 !important; /* Prevent layout shift for scrollbar */
}

body {
	margin: 0;
	padding: 0;
	min-height: 100vh;
	width: 100vw;
}

#root {
	min-height: 100vh;
	width: 100%;
}

.scene-wrapper {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.scene-container {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.scrollable {
	position: relative;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 1;
	min-height: 100vh;
}

.text-overlay {
	pointer-events: auto;
	z-index: 10;
	position: relative;
}

.scene-section {
	min-height: 100vh;
	display: flex;
	position: relative;
	z-index: 2;
	pointer-events: auto;
	padding: 4rem 0;
}

.interactive-element {
	cursor: pointer;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.interactive-element:hover {
	transform: translateY(-2px);
	box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.4),
		0 10px 10px -5px rgba(37, 99, 235, 0.04);
}

.glowing {
	animation: glow 3s infinite alternate;
}

@keyframes glow {
	from {
		box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
	}
	to {
		box-shadow: 0 0 30px rgba(59, 130, 246, 0.8),
			0 0 40px rgba(37, 99, 235, 0.6);
	}
}

.nav-link {
	position: relative;
	overflow: hidden;
	color: var(--text-secondary);
	transition: color 0.3s ease;
}

.nav-link::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 2px;
	background: linear-gradient(90deg, var(--primary), var(--primary-light));
	transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
	color: var(--primary-light);
}

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

/* Glass morphism effect */
.glass {
	background: rgba(30, 41, 59, 0.8);
	backdrop-filter: blur(12px);
	border: 1px solid rgba(71, 85, 105, 0.3);
}

/* Animated background */
.animated-bg {
	background: linear-gradient(-45deg, #0f172a, #1e293b, #334155, #1e293b);
	background-size: 400% 400%;
	animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
	0% {
		background-position: 0% 50%;
	}
	50% {
		background-position: 100% 50%;
	}
	100% {
		background-position: 0% 50%;
	}
}

/* Timeline animation */
.timeline-line {
	position: relative;
	background: linear-gradient(
		180deg,
		transparent 0%,
		var(--border) 50%,
		transparent 100%
	);
	transition: all 0.3s ease;
}

.timeline-line-gradient {
	background: linear-gradient(
		180deg,
		#8b5cf6 0%,
		#a855f7 25%,
		#c084fc 50%,
		#d8b4fe 75%,
		#e9d5ff 100%
	);
	box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
}

.timeline-point {
	transition: all 0.3s ease;
	border: 3px solid var(--border);
	background: var(--surface);
	position: absolute;
	left: 50%;
	transform: translateX(-50%);
}

.timeline-point.active {
	border-color: #a855f7;
	background: #a855f7;
	box-shadow: 0 0 20px rgba(168, 85, 247, 0.8);
	transform: translateX(-50%) scale(1.2);
}

/* Card hover effects */
.card-hover {
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	border: 1px solid var(--border);
	background: var(--surface);
}

.card-hover:hover {
	transform: translateY(-4px);
	box-shadow: 0 25px 50px -12px rgba(37, 99, 235, 0.25);
	border-color: var(--primary);
}

/* Gradient text */
.gradient-text {
	background: linear-gradient(135deg, #3b82f6, #8b5cf6, #06b6d4);
	background-size: 200% 200%;
	animation: gradientShift 3s ease infinite;
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

/* Button styles */
.btn-primary {
	background: linear-gradient(135deg, #3b82f6, #2563eb);
	border: none;
	color: white;
	position: relative;
	overflow: hidden;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary * {
	position: relative;
	z-index: 2;
}

.btn-primary::before {
	content: '';
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(
		90deg,
		transparent,
		rgba(255, 255, 255, 0.2),
		transparent
	);
	transition: left 0.5s;
	z-index: 1;
}

.btn-primary:hover::before {
	left: 100%;
}

.btn-primary:hover {
	box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.4),
		0 10px 10px -5px rgba(37, 99, 235, 0.04);
	transform: translateY(-2px);
}

/* Floating bubble animation */
@keyframes floatBubble {
	0%,
	100% {
		transform: translateY(0px) rotate(0deg);
	}
	33% {
		transform: translateY(-30px) rotate(120deg);
	}
	66% {
		transform: translateY(-20px) rotate(240deg);
	}
}

.float-bubble {
	animation: floatBubble 6s ease-in-out infinite;
}

/* Bubble entrance animations */
@keyframes bubbleFromTop {
	0% {
		transform: translateY(-100vh) scale(0);
		opacity: 0;
	}
	50% {
		opacity: 1;
	}
	100% {
		transform: translateY(100vh) scale(1);
		opacity: 0;
	}
}

@keyframes bubbleFromBottom {
	0% {
		transform: translateY(100vh) scale(0);
		opacity: 0;
	}
	50% {
		opacity: 1;
	}
	100% {
		transform: translateY(-100vh) scale(1);
		opacity: 0;
	}
}

@keyframes bubbleFromLeft {
	0% {
		transform: translateX(-100vw) scale(0);
		opacity: 0;
	}
	50% {
		opacity: 1;
	}
	100% {
		transform: translateX(100vw) scale(1);
		opacity: 0;
	}
}

@keyframes bubbleFromRight {
	0% {
		transform: translateX(100vw) scale(0);
		opacity: 0;
	}
	50% {
		opacity: 1;
	}
	100% {
		transform: translateX(-100vw) scale(1);
		opacity: 0;
	}
}

.bubble-top {
	animation: bubbleFromTop 8s linear infinite;
}

.bubble-bottom {
	animation: bubbleFromBottom 8s linear infinite;
}

.bubble-left {
	animation: bubbleFromLeft 8s linear infinite;
}

.bubble-right {
	animation: bubbleFromRight 8s linear infinite;
}

/* High contrast text */
.text-high-contrast {
	color: #ffffff;
	text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

/* Parallax effect */
.parallax {
	transform-style: preserve-3d;
}

/* Custom scrollbar that won't be hidden */
::-webkit-scrollbar {
	width: 8px;
	z-index: 9999;
}

::-webkit-scrollbar-track {
	background: rgba(30, 41, 59, 0.3);
	border-radius: 4px;
}

::-webkit-scrollbar-thumb {
	background: rgba(59, 130, 246, 0.5);
	border-radius: 4px;
	transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
	background: rgba(59, 130, 246, 0.8);
}

/* Ensure scrollbar is always visible above nav */
html {
	scrollbar-gutter: stable;
}