/* Reset & Base Styles */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	--primary-color: #2563eb;
	--primary-hover: #1d4ed8;
	--secondary-color: #64748b;
	--text-dark: #1e293b;
	--text-light: #64748b;
	--bg-light: #f8fafc;
	--bg-white: #ffffff;
	--border-color: #e2e8f0;
	--success-color: #10b981;
	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
	--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	color: var(--text-dark);
	line-height: 1.6;
	font-size: 16px;
	background-color: var(--bg-white);
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

/* Header */
.header {
	background: var(--bg-white);
	box-shadow: var(--shadow-sm);
	position: sticky;
	top: 0;
	z-index: 1000;
}

.header-content {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 1rem 0;
}

.logo {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--text-dark);
}

.logo-icon {
	font-size: 1.5rem;
}

.nav {
	display: flex;
	align-items: center;
	gap: 2rem;
}

.nav-link {
	text-decoration: none;
	color: var(--text-light);
	font-weight: 500;
	transition: color 0.3s;
}

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

.mobile-menu-toggle {
	display: none;
	flex-direction: column;
	gap: 4px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 0.5rem;
}

.mobile-menu-toggle span {
	width: 24px;
	height: 2px;
	background: var(--text-dark);
	transition: all 0.3s;
}

/* Buttons */
.btn {
	display: inline-block;
	padding: 0.75rem 1.5rem;
	border-radius: 0.5rem;
	text-decoration: none;
	font-weight: 600;
	transition: all 0.3s;
	border: none;
	cursor: pointer;
	font-size: 1rem;
}

.btn-primary {
	background: var(--primary-color);
	color: white;
}

.btn-primary:hover {
	background: var(--primary-hover);
	transform: translateY(-2px);
	box-shadow: var(--shadow-md);
}

.btn-secondary {
	background: transparent;
	color: var(--primary-color);
	border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
	background: var(--primary-color);
	color: white;
}

.btn-telegram {
	background: white;
	color: var(--text-dark);
	border: 2px solid var(--border-color);
}

.btn-telegram:hover {
	background: var(--bg-light);
	border-color: var(--primary-color);
	color: var(--primary-color);
}

.btn-large {
	padding: 1rem 2rem;
	font-size: 1.125rem;
}

.btn-block {
	width: 100%;
	text-align: center;
}

/* Hero Section */
.hero {
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	padding: 6rem 0;
	text-align: center;
}

.hero-title {
	font-size: 3rem;
	font-weight: 700;
	margin-bottom: 1.5rem;
	line-height: 1.2;
}

.hero-subtitle {
	font-size: 1.25rem;
	margin-bottom: 2.5rem;
	opacity: 0.95;
	max-width: 700px;
	margin-left: auto;
	margin-right: auto;
}

.hero-buttons {
	display: flex;
	gap: 1rem;
	justify-content: center;
	margin-bottom: 3rem;
	flex-wrap: wrap;
}

.hero-features {
	display: flex;
	gap: 2rem;
	justify-content: center;
	flex-wrap: wrap;
}

.feature-item {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 1.125rem;
}

.feature-icon {
	font-size: 1.5rem;
}

/* Section Styles */
section {
	padding: 5rem 0;
}

.section-title {
	font-size: 2.5rem;
	font-weight: 700;
	text-align: center;
	margin-bottom: 1rem;
}

.section-subtitle {
	font-size: 1.25rem;
	text-align: center;
	color: var(--text-light);
	margin-bottom: 3rem;
	max-width: 600px;
	margin-left: auto;
	margin-right: auto;
}

/* About Section */
.about {
	background: var(--bg-light);
}

.about-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
}

.about-card {
	background: var(--bg-white);
	padding: 2rem;
	border-radius: 1rem;
	box-shadow: var(--shadow-md);
	text-align: center;
	transition: transform 0.3s, box-shadow 0.3s;
}

.about-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-xl);
}

.card-icon {
	font-size: 3rem;
	margin-bottom: 1rem;
}

.about-card h3 {
	font-size: 1.5rem;
	margin-bottom: 1rem;
	color: var(--text-dark);
}

.about-card p {
	color: var(--text-light);
}

/* Audience Section */
.audience-tabs {
	display: flex;
	justify-content: center;
	gap: 1rem;
	margin-bottom: 3rem;
	flex-wrap: wrap;
}

.tab-btn {
	padding: 1rem 2rem;
	border: 2px solid var(--border-color);
	background: var(--bg-white);
	border-radius: 0.5rem;
	cursor: pointer;
	font-weight: 600;
	transition: all 0.3s;
	font-size: 1rem;
}

.tab-btn:hover {
	border-color: var(--primary-color);
	color: var(--primary-color);
}

.tab-btn.active {
	background: var(--primary-color);
	color: white;
	border-color: var(--primary-color);
}

.tab-content {
	display: none;
}

.tab-content.active {
	display: block;
}

.audience-content {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 3rem;
	align-items: center;
}

.audience-text h3 {
	font-size: 2rem;
	margin-bottom: 1rem;
}

.audience-text p {
	font-size: 1.125rem;
	color: var(--text-light);
	margin-bottom: 1.5rem;
}

.benefits-list,
.results-list {
	list-style: none;
	margin-bottom: 1.5rem;
}

.benefits-list li,
.results-list li {
	padding: 0.75rem 0;
	padding-left: 1.5rem;
	position: relative;
}

.benefits-list li::before,
.results-list li::before {
	content: "✓";
	position: absolute;
	left: 0;
	color: var(--success-color);
	font-weight: bold;
}

.audience-text h4 {
	font-size: 1.25rem;
	margin-top: 2rem;
	margin-bottom: 1rem;
}

.audience-image {
	display: flex;
	justify-content: center;
	align-items: center;
}

.image-placeholder {
	font-size: 10rem;
	opacity: 0.3;
}

/* Format Section */
.format {
	background: var(--bg-light);
}

.format-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 2rem;
}

.format-card {
	background: var(--bg-white);
	padding: 2.5rem;
	border-radius: 1rem;
	box-shadow: var(--shadow-md);
	transition: transform 0.3s, box-shadow 0.3s;
}

.format-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-xl);
}

.format-icon {
	font-size: 3rem;
	margin-bottom: 1.5rem;
}

.format-card h3 {
	font-size: 1.5rem;
	margin-bottom: 1.5rem;
}

.format-card ul {
	list-style: none;
}

.format-card ul li {
	padding: 0.5rem 0;
	padding-left: 1.5rem;
	position: relative;
}

.format-card ul li::before {
	content: "•";
	position: absolute;
	left: 0;
	color: var(--primary-color);
	font-weight: bold;
	font-size: 1.5rem;
}

/* Pricing Section */
.pricing {
	background: var(--bg-white);
}

.pricing-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 2rem;
	margin-bottom: 2rem;
}

.pricing-card {
	background: var(--bg-white);
	border: 2px solid var(--border-color);
	border-radius: 1rem;
	padding: 2rem;
	position: relative;
	transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
	display: flex;
	flex-direction: column;
}

.pricing-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-xl);
	border-color: var(--primary-color);
}

.pricing-card.featured {
	border-color: var(--primary-color);
	box-shadow: var(--shadow-lg);
}

.pricing-badge {
	position: absolute;
	top: -12px;
	left: 50%;
	transform: translateX(-50%);
	background: var(--primary-color);
	color: white;
	padding: 0.5rem 1rem;
	border-radius: 1rem;
	font-size: 0.875rem;
	font-weight: 600;
}

.pricing-header {
	text-align: center;
	margin-bottom: 2rem;
}

.pricing-header h3 {
	font-size: 1.5rem;
	margin-bottom: 1rem;
}

.price {
	font-size: 2.5rem;
	font-weight: 700;
	color: var(--primary-color);
}

.price span {
	font-size: 1rem;
	color: var(--text-light);
	font-weight: 400;
}

.price-save {
	color: var(--success-color);
	font-weight: 600;
	margin-top: 0.5rem;
}

.pricing-features {
	list-style: none;
	margin-bottom: 2rem;
	flex-grow: 1;
}

.pricing-btn {
	margin-top: auto;
}

.pricing-features li {
	padding: 0.75rem 0;
	color: var(--text-light);
}

.pricing-note {
	text-align: center;
	padding: 2rem;
	background: var(--bg-light);
	border-radius: 1rem;
	color: var(--text-light);
}

.pricing-note p {
	margin-bottom: 0.5rem;
}

/* Topics Section */
.topics {
	background: var(--bg-light);
}

.topics-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 2rem;
}

.topics-column {
	background: var(--bg-white);
	padding: 2rem;
	border-radius: 1rem;
	box-shadow: var(--shadow-md);
}

.topics-column h3 {
	font-size: 1.5rem;
	margin-bottom: 1.5rem;
	color: var(--primary-color);
}

.topics-column ul {
	list-style: none;
}

.topics-column ul li {
	padding: 0.75rem 0;
	padding-left: 1.5rem;
	position: relative;
	color: var(--text-light);
}

.topics-column ul li::before {
	content: "→";
	position: absolute;
	left: 0;
	color: var(--primary-color);
}

/* Contact Section */
.contact {
	background: var(--bg-white);
}

.contact-content {
	display: flex;
	justify-content: center;
}

.contact-info.centered {
	max-width: 600px;
	text-align: center;
}

.contact-info h3 {
	font-size: 1.75rem;
	margin-bottom: 1.5rem;
}

.contact-list {
	list-style: none;
	margin-bottom: 2rem;
}

.contact-list li {
	padding: 0.75rem 0;
	padding-left: 1.5rem;
	position: relative;
}

.contact-list li::before {
	content: "✓";
	position: absolute;
	left: 0;
	color: var(--success-color);
	font-weight: bold;
}

.contact-methods {
	margin-top: 2rem;
}

.contact-methods p {
	margin-bottom: 0.75rem;
}

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

.contact-methods a:hover {
	text-decoration: underline;
}

.contact-buttons {
	display: flex;
	gap: 1rem;
	justify-content: center;
	flex-wrap: wrap;
	margin: 2rem 0;
}

.contact-details {
	margin-top: 2rem;
	padding-top: 2rem;
	border-top: 1px solid var(--border-color);
}

.contact-details p {
	margin-bottom: 0.75rem;
}

/* Footer */
.footer {
	background: var(--text-dark);
	color: white;
	padding: 3rem 0 1rem;
}

.footer-content {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
	margin-bottom: 2rem;
}

.footer-logo {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 1.25rem;
	font-weight: 700;
}

.footer-links {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.footer-links a {
	color: rgba(255, 255, 255, 0.8);
	text-decoration: none;
	transition: color 0.3s;
}

.footer-links a:hover {
	color: white;
}

.footer-social p {
	margin-bottom: 0.75rem;
	color: rgba(255, 255, 255, 0.8);
}

.social-links {
	display: flex;
	gap: 1rem;
}

.social-link {
	color: rgba(255, 255, 255, 0.8);
	text-decoration: none;
	transition: color 0.3s;
}

.social-link:hover {
	color: white;
}

.footer-bottom {
	text-align: center;
	padding-top: 2rem;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
	margin-bottom: 0.5rem;
}

.footer-disclaimer {
	font-size: 0.875rem;
	color: rgba(255, 255, 255, 0.5);
	margin-top: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
	.nav {
		display: none;
	}

	.mobile-menu-toggle {
		display: flex;
	}

	.hero-title {
		font-size: 2rem;
	}

	.hero-subtitle {
		font-size: 1.125rem;
	}

	.hero-buttons {
		flex-direction: column;
	}

	.section-title {
		font-size: 2rem;
	}

	.audience-content {
		grid-template-columns: 1fr;
	}

	.contact-buttons {
		flex-direction: column;
	}
	
	.contact-buttons .btn {
		width: 100%;
	}

	.pricing-grid {
		grid-template-columns: 1fr;
	}

	.topics-grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 480px) {
	.hero {
		padding: 4rem 0;
	}

	section {
		padding: 3rem 0;
	}

	.hero-title {
		font-size: 1.75rem;
	}

	.section-title {
		font-size: 1.75rem;
	}
}