/* Base styles - working with Bootstrap */
:root {
	--primary-color: #4584b6;
	--secondary-color: #ffde57;
	--text-color: #333;
	--bg-color: #f8f9fa;
	--white: #fff;
	--shadow-light: 0 2px 10px rgba(0, 0, 0, 0.05);
	--shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.1);
	--border-radius: 8px;
	--transition-normal: all 0.3s ease;
}

body {
	color: var(--text-color);
	background-color: var(--bg-color);
	transition: var(--transition-normal);
}

nav {
	line-height: normal !important;
}

a {
	color: var(--primary-color);
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

/* Presentation controls */
.presentation-mode-btn {
	position: fixed;
	top: 5rem;
	right: 1rem;
	font-size: 1.5rem;
	background-color: rgba(255, 255, 255, 0.8);
	border: none;
	border-radius: 50%;
	width: 50px;
	height: 50px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	z-index: 1000;
	box-shadow: var(--shadow-light);
	transition: background-color 0.2s ease;
}

.presentation-mode-btn:hover {
	background-color: var(--white);
}

.slide-navigation {
	display: none; /* Hidden by default, shown in presentation mode */
	position: fixed;
	bottom: 1rem;
	left: 50%;
	transform: translateX(-50%);
	background-color: rgba(0, 0, 0, 0.5);
	padding: 0.5rem 1rem;
	border-radius: 2rem;
	z-index: 1000;
	color: var(--white);
	align-items: center;
	gap: 1rem;
}

.nav-btn {
	background: none;
	border: none;
	color: var(--white);
	font-size: 1.2rem;
	cursor: pointer;
	padding: 0.5rem;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background-color 0.2s ease;
}

.nav-btn:hover {
	background-color: rgba(255, 255, 255, 0.2);
}

.slide-indicator {
	font-size: 1rem;
	font-weight: 500;
}

/* Slides */
.slide {
	margin-bottom: 5rem;
	transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Hero Section */
.hero-section {
	background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
	border-radius: var(--border-radius);
	color: var(--white);
	box-shadow: var(--shadow-medium);
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.logo {
	font-size: 2.5rem;
	font-weight: 800;
	margin-bottom: 1rem;
	letter-spacing: -0.03em;
}

.tagline {
	font-size: 2rem;
	margin-bottom: 1.5rem;
	font-weight: 700;
}

.hero-description {
	font-size: 1.2rem;
	max-width: 700px;
	margin-bottom: 2rem;
	opacity: 0.9;
}

/* Problem-solution section - now using Bootstrap grid */
.problem,
.solution {
	background-color: var(--white);
	box-shadow: var(--shadow-light);
}

.problem h2,
.solution h2 {
	color: var(--primary-color);
	margin-top: 0;
}

.section-title {
	text-align: center;
	margin: 3rem 0 2rem;
	color: var(--text-color);
	font-size: 2rem;
	position: relative;
}

.section-title::after {
	content: '';
	display: block;
	width: 80px;
	height: 4px;
	background: var(--secondary-color);
	margin: 0.5rem auto 0;
}

/* Features - using Bootstrap row/col */
.feature {
	background: var(--white);
	transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.5s ease;
	opacity: 0;
	transform: translateY(20px);
}

.feature:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-medium);
}

.feature.visible {
	opacity: 1;
	transform: translateY(0);
}

.feature-icon {
	font-size: 2.5rem;
	margin-bottom: 1rem;
}

.feature h3 {
	color: var(--primary-color);
}

/* Conference types section */
.conference-types-container {
	background-color: var(--white);
	box-shadow: var(--shadow-light);
}

.conf-type {
	transition: transform 0.2s ease;
	display: flex;
	align-items: center;
}

.conf-type:hover {
	transform: scale(1.03);
}

.conf-type-icon {
	margin-right: 0.5rem;
	font-size: 1.2rem;
}

/* Stats section - Using Bootstrap row/col */
.stat {
	background-color: var(--white);
	text-align: center;
	box-shadow: var(--shadow-light);
	transition: transform 0.3s ease, opacity 0.5s ease;
	opacity: 0;
	transform: translateY(20px);
}

.stat.visible {
	opacity: 1;
	transform: translateY(0);
}

.stat:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-medium);
}

.stat-number {
	font-size: 3rem;
	font-weight: 700;
	color: var(--primary-color);
	margin-bottom: 0.5rem;
}

.stat-label {
	font-size: 1.2rem;
	font-weight: 600;
	margin-bottom: 0.5rem;
}

.stat-description {
	font-size: 0.9rem;
	color: #666;
}

/* Testimonials - using Bootstrap row/col */
.testimonial {
	background-color: var(--white);
	box-shadow: var(--shadow-light);
	position: relative;
	transition: opacity 0.5s ease, transform 0.3s ease;
	opacity: 0;
	transform: translateY(20px);
}

.testimonial.visible {
	opacity: 1;
	transform: translateY(0);
}

.testimonial::before {
	content: '"';
	position: absolute;
	top: 0;
	left: 1.5rem;
	font-size: 5rem;
	color: var(--secondary-color);
	line-height: 1;
	opacity: 0.5;
}

.quote {
	margin-top: 1.5rem;
	font-style: italic;
}

.author {
	text-align: right;
	font-weight: 500;
	color: var(--primary-color);
}

/* Use cases - using Bootstrap row/col */
.use-case {
	background-color: var(--white);
	box-shadow: var(--shadow-light);
	transition: opacity 0.5s ease, transform 0.3s ease;
	opacity: 0;
	transform: translateY(20px);
}

.use-case.visible {
	opacity: 1;
	transform: translateY(0);
}

.use-case h3 {
	color: var(--primary-color);
	margin-top: 0;
}

/* CTA section */
.cta-section {
	background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
	box-shadow: var(--shadow-medium);
}

.qr-code {
	max-width: 200px;
}

/* Presentation mode specific styles */
body.presentation-mode {
	overflow: hidden;
	background-color: var(--bg-color);
	font-size: 1.6rem;
}

body.presentation-mode .container {
	max-width: none;
	width: 100vw;
	height: 100vh;
	padding: 0;
	margin: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
}

body.presentation-mode .slide {
	margin: 0;
	width: 100vw;
	height: 100vh;
	position: absolute;
	top: 0;
	left: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 4rem;
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.4s ease-in-out, transform 0.4s ease-in-out;
	transform: translateY(40px);
	overflow: hidden;
}

body.presentation-mode .slide.active {
	padding: 3rem;
	opacity: 1;
	pointer-events: auto;
	transform: translateY(0);
}

body.presentation-mode .slide-content {
	min-width: 50%;
	min-height: 50%;
	max-width: 90%;
	max-height: 90vh;
	overflow: auto;
	padding: 2rem;
}

body.presentation-mode h1 {
	font-size: 3.5rem;
}

body.presentation-mode h2 {
	font-size: 2.8rem;
}

body.presentation-mode h3 {
	font-size: 2.2rem;
}

body.presentation-mode .feature-icon {
	font-size: 3rem;
}

body.presentation-mode .stat-number {
	font-size: 4rem;
}

body.presentation-mode p,
body.presentation-mode .quote,
body.presentation-mode .stat-description,
body.presentation-mode .conf-type-name,
body.presentation-mode .author {
	font-size: 1.8rem;
	font-weight: 500;
	line-height: 1.5;
}

body.presentation-mode h1,
body.presentation-mode h2,
body.presentation-mode h3,
body.presentation-mode .stat-number {
	font-weight: 700;
	line-height: 1.3;
}

body.presentation-mode nav,
body.presentation-mode footer {
	display: none;
}

/* Progress indicator */
body.presentation-mode::after {
	content: '';
	position: fixed;
	bottom: 0;
	left: 0;
	height: 5px;
	background-color: var(--primary-color);
	transition: width 0.3s ease;
}

body.presentation-mode[data-slide='1']::after {
	width: calc(100% / 8 * 1);
}
body.presentation-mode[data-slide='2']::after {
	width: calc(100% / 8 * 2);
}
body.presentation-mode[data-slide='3']::after {
	width: calc(100% / 8 * 3);
}
body.presentation-mode[data-slide='4']::after {
	width: calc(100% / 8 * 4);
}
body.presentation-mode[data-slide='5']::after {
	width: calc(100% / 8 * 5);
}
body.presentation-mode[data-slide='6']::after {
	width: calc(100% / 8 * 6);
}
body.presentation-mode[data-slide='7']::after {
	width: calc(100% / 8 * 7);
}
body.presentation-mode[data-slide='8']::after {
	width: calc(100% / 8 * 8);
}

/* Custom scrollbar */
::-webkit-scrollbar {
	width: 8px;
}

::-webkit-scrollbar-track {
	background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
	background: #888;
	border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
	background: #555;
}