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

:root {
    --primary-color: #8b5cf6;
    --primary-dark: #7c3aed;
    --secondary-color: #fbbf24;
    --accent-color: #34d399;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-light: #9ca3af;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-dark: #0f172a;
    --border-color: #374151;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6), 0 8px 10px -6px rgb(0 0 0 / 0.5);
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
    --gradient-secondary: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-accent: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    --card-bg: #1f2937;
    --card-border: #374151;
    --input-bg: #374151;
    --navbar-bg: rgba(17, 24, 39, 0.95);
}

/* Light Mode Variables */
[data-theme="light"] {
    --primary-color: #7c3aed;
    --primary-dark: #6d28d9;
    --secondary-color: #f59e0b;
    --accent-color: #10b981;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-light: #6b7280;
    --bg-primary: #f9fafb;
    --bg-secondary: #ffffff;
    --bg-dark: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --card-bg: #ffffff;
    --card-border: #e5e7eb;
    --input-bg: #f3f4f6;
    --navbar-bg: rgba(255, 255, 255, 0.95);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

[data-theme="light"] .navbar {
    background: var(--navbar-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: 1.5rem;
}

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

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 1.125rem;
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: rotate(180deg);
}

.theme-toggle i {
    transition: transform 0.3s ease;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
}

[data-theme="light"] .hero {
    color: white;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.95;
    transition: background 0.3s ease;
}

.hero-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.04) 0%, transparent 50%);
    animation: float 30s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.hero-split {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-align: left;
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-top: 0.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
    align-items: center;
}

/* Monitor Mockup */
.hero-mockup {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.monitor-mockup {
    position: relative;
    width: 100%;
    max-width: 600px;
    animation: monitorFloat 6s ease-in-out infinite;
}

@keyframes monitorFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.monitor-frame {
    position: relative;
    perspective: 1000px;
}

.monitor-bezel {
    background: linear-gradient(145deg, #1f2937, #111827);
    border-radius: 20px 20px 8px 8px;
    padding: 16px;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.6),
        inset 0 1px 2px rgba(255, 255, 255, 0.1);
    position: relative;
}

[data-theme="light"] .monitor-bezel {
    background: linear-gradient(145deg, #e5e7eb, #d1d5db);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.15),
        inset 0 1px 2px rgba(255, 255, 255, 0.5);
}

.monitor-screen {
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    box-shadow: 
        inset 0 0 20px rgba(0, 0, 0, 0.5),
        0 0 0 2px rgba(0, 0, 0, 0.8);
}

.mockup-content {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.bot-preview-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.monitor-brand {
    text-align: center;
    padding: 8px 0 4px;
    font-size: 0.75rem;
    color: #6b7280;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.monitor-stand {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: -10px;
    position: relative;
    z-index: -1;
}

.monitor-neck {
    width: 60px;
    height: 40px;
    background: linear-gradient(180deg, #374151 0%, #1f2937 100%);
    border-radius: 0 0 8px 8px;
    box-shadow: 
        0 4px 10px rgba(0, 0, 0, 0.3),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

.monitor-base {
    width: 200px;
    height: 20px;
    background: linear-gradient(145deg, #374151, #1f2937);
    border-radius: 40px;
    margin-top: -5px;
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.1);
    position: relative;
}

.monitor-base::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 8px;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.4) 0%, transparent 70%);
    border-radius: 50%;
}

.mockup-glow {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140%;
    height: 140%;
    background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.25) 0%, transparent 60%);
    z-index: -2;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.05); }
}


/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::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 ease;
}

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

.btn-primary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Telegram Button Styles */
.btn-telegram-small {
    background: linear-gradient(135deg, #0088cc 0%, #229ED9 100%);
    color: white;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.4);
    position: relative;
    overflow: hidden;
    gap: 8px;
}

.btn-telegram-small i {
    font-size: 1.125rem;
}

.btn-telegram-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 136, 204, 0.6);
}

.btn-telegram-small::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: rotate(45deg);
    animation: telegramShine 3s infinite;
}

@keyframes telegramShine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.btn-outline-hero {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-outline-hero:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
}

/* Purchase Steps */
.purchase-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.purchase-step {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.purchase-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
    border-color: var(--primary-color);
}

.step-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.step-icon i {
    font-size: 2rem;
    color: white;
}

.purchase-step h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.purchase-step p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.purchase-step strong {
    color: var(--primary-color);
    font-weight: 600;
}

.step-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #0088cc 0%, #229ED9 100%);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.step-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 136, 204, 0.4);
}

.payment-badges {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 1rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
}

.badge i {
    font-size: 1rem;
}

.payment-note-simple {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 1rem;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    color: var(--text-secondary);
}

.payment-note-simple i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

/* Payment Addresses Section */
.payment-addresses-section {
    max-width: 900px;
    margin: 3rem auto 0;
    padding: 2.5rem;
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-lg);
}

.payment-addresses-section h3 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.payment-addresses-section .payment-options {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Installation Video Section */
.installation-video-section {
    background: var(--bg-primary);
    padding: 5rem 0;
}

.installation-video-section .section-header {
    margin-bottom: 3rem;
}

.video-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-bottom: 45%; /* 16:9 aspect ratio but smaller height */
    height: 0;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    background: #000;
    border: 1px solid var(--border-color);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 16px;
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--card-border);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.3);
    border-color: var(--primary-color);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    position: relative;
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.feature-card:hover .feature-icon {
    animation: iconPulse 0.6s ease;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

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

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Results Section */
.results-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.results-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--card-border);
    text-align: center;
    transition: all 0.3s ease;
}

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

.results-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 1.5rem;
}

.results-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.results-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.results-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Payment Section */
.payment {
    background: var(--bg-secondary);
}

.payment .container {
    max-width: 1000px;
}

/* Pricing Box Center */
.pricing-box-center {
    max-width: 600px;
    margin: 0 auto 3rem;
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 24px;
    border: 2px solid var(--card-border);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.price-tag {
    margin-bottom: 2.5rem;
}

.price-amount {
    font-size: 5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.price-label {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.included-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.feature-item-simple {
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
}

.feature-item-simple i {
    color: var(--accent-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-item-simple span {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

/* Purchase CTA */
.purchase-cta {
    max-width: 600px;
    margin: 0 auto 4rem;
    text-align: center;
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-radius: 20px;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.purchase-cta h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.purchase-cta p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-telegram-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    background: linear-gradient(135deg, #0088cc 0%, #229ED9 100%);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 600;
    box-shadow: 0 8px 25px rgba(0, 136, 204, 0.4);
    transition: all 0.3s ease;
}

.cta-telegram-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 136, 204, 0.6);
}

.cta-telegram-btn i {
    font-size: 1.5rem;
}

/* Payment Methods Grid */
.payment-methods-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.payment-method-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
}

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

.method-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.method-icon i {
    font-size: 2.5rem;
    color: white;
}

.payment-method-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.address-box {
    background: var(--input-bg);
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.address-box code {
    display: block;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    color: var(--text-primary);
    word-break: break-all;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.copy-btn-new {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn-new:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Security Note */
.security-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 1.25rem;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--text-secondary);
    font-size: 1rem;
}

.security-note i {
    color: var(--accent-color);
    font-size: 1.25rem;
}

.payment-options {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.payment-option {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--card-border);
}

.payment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.payment-header i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.payment-header span {
    font-weight: 600;
    color: var(--text-primary);
}

.copy-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.payment-address {
    font-family: 'Courier New', monospace;
    background: var(--input-bg);
    padding: 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    word-break: break-all;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.payment-note {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(245, 158, 11, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.payment-note i {
    color: var(--secondary-color);
    font-size: 1.125rem;
}

.payment-note span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Compact Payment Layout */
.payment-compact-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card-compact {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.price-display {
    margin-bottom: 1.5rem;
}

.price-currency {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    vertical-align: top;
}

.price-value {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.price-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.price-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

.price-features i {
    color: var(--accent-color);
    font-size: 1rem;
}

.payment-info-compact {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-lg);
}

.payment-info-compact h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.payment-info-compact h3 i {
    color: #0088cc;
}

.telegram-link-compact {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background: linear-gradient(135deg, #0088cc 0%, #229ED9 100%);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.telegram-link-compact:hover {
    transform: scale(1.05);
}

.crypto-addresses {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.crypto-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.crypto-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.crypto-label i {
    color: var(--secondary-color);
    font-size: 1rem;
}

.crypto-address {
    display: flex;
    gap: 8px;
}

.crypto-address input {
    flex: 1;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    outline: none;
}

.crypto-address input:focus {
    border-color: var(--primary-color);
}

.copy-btn-compact {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.copy-btn-compact:hover {
    background: var(--primary-color-hover);
    transform: translateY(-2px);
}

.copy-btn-compact i {
    font-size: 1rem;
}

/* FAQ Preview Section */
.faq-preview {
    background: var(--bg-secondary);
}

.faq-preview-content {
    max-width: 1000px;
    margin: 0 auto;
}

.faq-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.faq-preview-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--card-border);
    text-align: center;
    transition: all 0.3s ease;
}

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

.faq-preview-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.faq-preview-icon i {
    font-size: 1.5rem;
    color: white;
}

.faq-preview-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.faq-preview-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq-cta {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--card-border);
}

.faq-cta h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.faq-cta p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Troubleshooting Section */
.troubleshooting {
    background: var(--bg-secondary);
}

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

.trouble-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.trouble-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.trouble-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.trouble-card h3 i {
    color: var(--secondary-color);
}

.trouble-card ol {
    color: var(--text-secondary);
    padding-left: 1.5rem;
}

.trouble-card li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-primary);
    padding: 3rem 0 1rem;
    transition: background-color 0.3s ease;
}

[data-theme="light"] .footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-logo i {
    font-size: 1.5rem;
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .theme-toggle {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .hero-split {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-content {
        text-align: center;
        max-width: 100%;
    }
    
    .hero-title {
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        justify-content: center;
    }
    
    .monitor-mockup {
        max-width: 100%;
    }
    
    .monitor-brand {
        font-size: 0.65rem;
    }
    
    .monitor-base {
        width: 150px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn-telegram-small {
        width: 100%;
    }
    
    .purchase-steps {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .step-btn {
        width: 100%;
        justify-content: center;
    }
    
    .payment-addresses-section {
        padding: 1.5rem;
    }
    
    .included-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .pricing-box-center {
        padding: 2rem;
    }
    
    .price-amount {
        font-size: 3.5rem;
    }
    
    .purchase-cta {
        padding: 2rem 1.5rem;
    }
    
    .cta-telegram-btn {
        width: 100%;
        justify-content: center;
    }
    
    .payment-methods-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .payment-method-card {
        padding: 2rem 1.5rem;
    }
    
    .address-box code {
        font-size: 0.75rem;
    }
    
    .payment-compact-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .price-value {
        font-size: 3rem;
    }
    
    .crypto-address input {
        font-size: 0.7rem;
    }
    
    .copy-btn-compact {
        padding: 10px 12px;
        font-size: 0.8rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .results-content {
        grid-template-columns: 1fr;
    }
    
    .payment-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .troubleshooting-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-preview-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-cta {
        padding: 2rem 1.5rem;
    }
    
    .video-container {
        max-width: 100%;
        padding-bottom: 56.25%; /* Back to standard 16:9 on mobile */
        border-radius: 12px;
    }
    
    .video-container iframe {
        border-radius: 12px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .pricing-card {
        padding: 2rem;
    }
    
    .amount {
        font-size: 3rem;
    }
    
    .payment-option {
        padding: 1rem;
    }
    
    .payment-address {
        font-size: 0.75rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Copy Success Animation */
.copy-success {
    background: var(--accent-color) !important;
    transform: scale(1.1);
}

.copy-success i::before {
    content: '\f00c';
}

/* Scroll Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Floating Telegram Button */
.floating-telegram {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    animation: floatingBounce 3s ease-in-out infinite;
}

.floating-telegram-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0088cc 0%, #229ED9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(0, 136, 204, 0.5);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.floating-telegram-btn::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(135deg, #0088cc 0%, #229ED9 100%);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0; }
}

@keyframes floatingBounce {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.floating-telegram-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(0, 136, 204, 0.7);
}

.floating-telegram-btn i {
    font-size: 1.75rem;
    color: white;
    z-index: 2;
}

.telegram-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 8px;
    white-space: nowrap;
    font-size: 0.875rem;
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.floating-telegram:hover .telegram-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

@media (max-width: 768px) {
    .floating-telegram {
        bottom: 20px;
        right: 20px;
    }
    
    .telegram-tooltip {
        display: none;
    }
}