/* Modern Tech Design 2025 - ГПУ Энерго */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Modern Color Palette 2025 */
:root {
    /* Primary Colors */
    --primary-navy: #0f172a;
    --primary-blue: #1e40af;
    --primary-dark: #1e293b;
    
    /* Accent Colors */
    --accent-cyan: #06b6d4;
    --accent-electric: #3b82f6;
    --accent-success: #10b981;
    
    /* Neutral Scale */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Semantic Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-inverse: #ffffff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-tech: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #06b6d4 100%);
    
    /* Spacing Scale */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 5rem;
    --space-5xl: 6rem;
    --space-6xl: 8rem;
    
    /* Container Sizes */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1400px;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Typography Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    
    /* Line Heights */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
}

/* Container System */
.container {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (min-width: 640px) {
    .container { padding: 0 var(--space-xl); }
}

@media (min-width: 1024px) {
    .container { padding: 0 var(--space-2xl); }
}

/* Typography System */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }
.text-6xl { font-size: var(--text-6xl); }
.text-7xl { font-size: var(--text-7xl); }

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.75rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

/* Modern Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    padding: 0 var(--space-2xl);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 800;
    font-size: var(--text-2xl);
    color: var(--primary-navy);
    text-decoration: none;
    transition: all var(--transition-base);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-tech);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-xl);
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.logo:hover .logo-icon::before {
    transform: translateX(100%);
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-item {
    position: relative;
    font-weight: 500;
    font-size: var(--text-base);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
    padding: var(--space-sm) 0;
}

.nav-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-tech);
    transition: width var(--transition-base);
}

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

.nav-item:hover::before {
    width: 100%;
}

/* Contact Info */
.header-contact {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.contact-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-cyan);
}

/* CTA Button */
.cta-header {
    background: var(--gradient-tech);
    color: white;
    border: none;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    box-shadow: var(--shadow-md);
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--space-xs);
}

.menu-line {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--bg-primary);
    padding-top: 80px;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6xl);
    align-items: center;
    min-height: calc(100vh - 80px);
}

.hero-content {
    z-index: 10;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.hero-title {
    font-size: 5rem; /* Большой размер для десктопа */
    font-weight: 800;
    line-height: var(--leading-tight);
    margin-bottom: var(--space-xl);
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-blue) 50%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-2xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--gradient-tech);
    color: white;
    border: none;
    padding: var(--space-md) var(--space-2xl);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: var(--text-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

.btn-primary:hover::before {
    transform: translateX(100%);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-navy);
    border: 2px solid var(--gray-300);
    padding: calc(var(--space-md) - 2px) var(--space-2xl);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: var(--text-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.btn-secondary:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 600px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-2xl);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(30, 64, 175, 0.1) 0%, 
        rgba(6, 182, 212, 0.1) 100%
    );
    border-radius: var(--radius-2xl);
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-tech);
    display: none;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-6xl);
    border-radius: var(--radius-2xl);
    z-index: 3;
}

/* Geometric Elements */
.geometric-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
}

.geo-element {
    position: absolute;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
}

.geo-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    right: 10%;
    transform: rotate(45deg);
    background: linear-gradient(135deg, var(--accent-cyan), transparent);
    opacity: 0.1;
}

.geo-2 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 5%;
    transform: rotate(-30deg);
    background: linear-gradient(135deg, var(--primary-blue), transparent);
    opacity: 0.1;
}

.geo-3 {
    width: 100px;
    height: 100px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(60deg);
    background: linear-gradient(135deg, var(--accent-electric), transparent);
    opacity: 0.05;
}

/* Grid Pattern */
.grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.03;
    background-image: 
        linear-gradient(var(--gray-400) 1px, transparent 1px),
        linear-gradient(90deg, var(--gray-400) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.float { animation: float 6s ease-in-out infinite; }
.rotate { animation: rotate 20s linear infinite; }
.pulse { animation: pulse 4s ease-in-out infinite; }

/* Section Base */
section {
    padding: var(--space-6xl) 0;
    position: relative;
}

section:nth-child(even) {
    background: var(--bg-secondary);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }
.block { display: block; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

/* Responsive Design */
@media (max-width: 1200px) {
    .solution-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .reasons-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 1024px) {
    /* Немного уменьшаем заголовок для маленьких десктопов */
    .hero-title {
        font-size: 4rem;
    }
    
    .header-container {
        padding: 0 var(--space-lg);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
        text-align: center;
    }
    
    .hero-visual {
        height: 400px;
        order: -1;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--space-lg);
        border-top: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        z-index: 1000;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-item {
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .nav-item:last-child {
        border-bottom: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-contact {
        display: none;
    }
    
    .cta-header {
        display: flex;
        padding: var(--space-sm) var(--space-md);
        font-size: var(--text-sm);
        min-width: auto;
    }
    
    .cta-header span {
        display: none;
    }
    
    .cta-header i {
        margin-right: 0;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .trust-stats {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .solution-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .calculation-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .periods-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .reasons-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .calc-inputs {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .results-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .cta-options-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .final-cta .section-title,
    .final-cta h2,
    .final-cta h3,
    .final-cta p {
        color: white !important;
        background: none !important;
        -webkit-text-fill-color: white !important;
    }
    
    .target-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .segments-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .process-timeline {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .case-timeline {
        grid-template-columns: 1fr;
    }
    

}

@media (max-width: 768px) {
    /* Адаптивный размер заголовка для планшетов */
    .hero-title {
        font-size: clamp(2.5rem, 6vw, 3.5rem);
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .header-container {
        height: 70px;
        padding: 0 var(--space-md);
    }
    
    .hero {
        padding-top: 70px;
    }
    
    .hero-container {
        min-height: calc(100vh - 70px);
        gap: var(--space-2xl);
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    section {
        padding: var(--space-3xl) 0;
    }
    
    .section-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
        margin-bottom: var(--space-lg);
    }
    
    .trust-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .stat-card {
        padding: var(--space-lg);
    }
    
    .stat-number {
        font-size: var(--text-3xl);
    }
    
    .solution-grid {
        gap: var(--space-md);
    }
    
    .solution-card {
        padding: var(--space-lg);
    }
    
    .solution-icon {
        width: 60px;
        height: 60px;
        font-size: var(--text-xl);
    }
    
    .comparison-table th {
        padding: var(--space-lg) var(--space-sm);
        font-size: var(--text-base);
        line-height: 1.3;
    }
    
    .comparison-table td {
        padding: var(--space-md) var(--space-sm);
        font-size: var(--text-sm);
        line-height: 1.4;
        word-wrap: break-word;
    }
    
    .comparison-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .economics-example {
        padding: var(--space-lg);
    }
    
    .calc-block {
        padding: var(--space-lg);
    }
    
    .reason-card {
        padding: var(--space-lg);
    }
    
    .reason-icon {
        width: 60px;
        height: 60px;
        font-size: var(--text-xl);
    }
    
    .calculator-wrapper {
        padding: var(--space-lg);
    }
    
    .calc-inputs {
        gap: var(--space-md);
    }
    
    .calc-results {
        padding: var(--space-lg);
    }
    
    .results-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-sm);
    }
    
    .result-card {
        padding: var(--space-md);
    }
    
    .faq-question {
        padding: var(--space-lg);
        font-size: var(--text-base);
    }
    
    .faq-answer-content {
        padding: 0 var(--space-lg) var(--space-lg);
    }
    
    .contact-info {
        padding: var(--space-lg);
    }
    
    .contact-form-wrapper {
        padding: var(--space-lg);
    }
    
    .segments-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .segment-card {
        padding: var(--space-lg);
    }
    
    .segment-icon {
        width: 60px;
        height: 60px;
        font-size: var(--text-xl);
    }
    
    .benefits-card {
        padding: var(--space-lg);
        position: static;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .timeline-item {
        padding: var(--space-lg);
    }
    
    .timeline-number {
        width: 60px;
        height: 60px;
        font-size: var(--text-xl);
    }
    
    .limitations {
        padding: var(--space-lg);
    }
    
    .case-card {
        padding: var(--space-lg);
    }
    
    .case-timeline {
        gap: var(--space-md);
    }
    
    .case-step {
        padding: var(--space-md);
    }
    

    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
    
    .modal-header {
        padding: var(--space-lg);
    }
    
    .modal-body {
        padding: var(--space-lg);
    }
    
    .sticky-cta {
        bottom: var(--space-md);
        right: var(--space-md);
        padding: var(--space-sm) var(--space-md);
        font-size: var(--text-sm);
    }
    
    .sticky-cta span {
        display: none;
    }
}

/* Промежуточный breakpoint для маленьких планшетов */
@media (max-width: 640px) {
    .comparison-table th {
        font-size: var(--text-sm);
        padding: var(--space-md) var(--space-xs);
    }
    
    .comparison-table td {
        font-size: var(--text-xs);
        padding: var(--space-sm) var(--space-xs);
        line-height: 1.3;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
    }
    
    .trust-stats {
        grid-template-columns: 1fr;
    }
    
    .solution-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table th {
        padding: var(--space-md) var(--space-xs);
        font-size: var(--text-sm);
        line-height: 1.2;
    }
    
    .comparison-table td {
        padding: var(--space-sm) var(--space-xs);
        font-size: var(--text-xs);
        line-height: 1.3;
        word-wrap: break-word;
        hyphens: auto;
    }
    
    .comparison-table-wrapper {
        margin: 0 -1rem;
        border-radius: 0;
    }
    
    .comparison-table {
        min-width: 100%;
        table-layout: fixed;
    }
    
    /* Оптимальное распределение ширины колонок для мобильных */
    .comparison-table th:first-child,
    .comparison-table td:first-child {
        width: 40%;
    }
    
    .comparison-table th:nth-child(2),
    .comparison-table td:nth-child(2) {
        width: 30%;
    }
    
    .comparison-table th:nth-child(3),
    .comparison-table td:nth-child(3) {
        width: 30%;
    }
    
    .calculation-grid {
        grid-template-columns: 1fr;
    }
    
    .periods-grid {
        grid-template-columns: 1fr;
    }
    
    .period-number {
        font-size: var(--text-2xl);
    }
    
    .reasons-grid {
        grid-template-columns: 1fr;
    }
    
    .calc-inputs {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-options-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: var(--space-sm) var(--space-lg);
        font-size: var(--text-base);
    }
    
    .sticky-cta {
        padding: var(--space-xs) var(--space-sm);
        border-radius: var(--radius-lg);
    }
}

/* Show all sections on mobile with mobile-optimized styles */
@media (max-width: 768px) {
    /* Mobile styles for complex sections */
    #process {
        display: block;
    }
    
    /* Simplify process timeline on mobile */
    .modern-timeline {
        padding: var(--space-lg) 0;
    }
    
    .timeline-content-card {
        padding: var(--space-lg);
    }
    
    .timeline-header h3 {
        font-size: var(--text-lg);
    }
    
    .timeline-details {
        gap: var(--space-sm);
    }
    
    /* Simplify limitations grid */
    .limitations-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .limitation-item {
        flex-direction: column;
        text-align: center;
        padding: var(--space-lg);
    }
    

}

/* Scroll Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading States */
.loading {
    pointer-events: none;
    opacity: 0.7;
}

.loading .btn-primary,
.loading .btn-secondary {
    position: relative;
}

.loading .btn-primary::after,
.loading .btn-secondary::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Modern Sections Styles */

/* Trust Section */
.trust {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--gray-200);
}

.trust-content {
    text-align: center;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: var(--leading-tight);
    margin-bottom: var(--space-xl);
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}



.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    font-size: var(--text-5xl);
    font-weight: 800;
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    font-weight: 500;
    line-height: var(--leading-relaxed);
}

/* Solution Section */
.solution {
    background: var(--bg-secondary);
    position: relative;
}

.solution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/power-plant.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.03;
    z-index: 1;
}

.solution-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.solution-intro {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
    line-height: var(--leading-relaxed);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-2xl);
}

.solution-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-tech);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.solution-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
    color: white;
}

.solution-card:hover::before {
    opacity: 1;
}

.solution-card:hover .solution-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.solution-card:hover h3,
.solution-card:hover p {
    color: white;
    position: relative;
    z-index: 2;
}

.solution-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-tech);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-xl);
    color: white;
    font-size: var(--text-2xl);
    transition: all var(--transition-base);
}

.solution-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    transition: color var(--transition-base);
}

.solution-card p {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    transition: color var(--transition-base);
}

/* Comparison Section */
.comparison {
    background: var(--bg-primary);
}

.comparison-content {
    text-align: center;
}

.comparison-table-wrapper {
    background: var(--white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-3xl);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th {
    background: var(--gray-50);
    padding: var(--space-xl);
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--gray-200);
    font-size: var(--text-lg);
}

.comparison-table td {
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--gray-200);
    font-size: var(--text-base);
    font-weight: 500;
}

.comparison-table .highlight-col {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-electric));
    color: white;
    font-weight: 700;
    position: relative;
}

.comparison-table .highlight-col::before {
    content: '✓';
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--text-lg);
}

/* Economics Section */
.economics {
    background: var(--bg-secondary);
}

.economics-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.economics-example {
    background: var(--white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    padding: var(--space-3xl);
    box-shadow: var(--shadow-lg);
}

.calculation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.calc-block {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: left;
}

.calc-block h4 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--primary-navy);
}

.calc-block ul {
    list-style: none;
    padding: 0;
}

.calc-block li {
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--space-lg);
}

.calc-block li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
}

.formula {
    background: var(--gradient-tech);
    color: white;
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    font-size: var(--text-lg);
    font-weight: 700;
    margin-top: var(--space-lg);
}

.payback-periods {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.periods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.period-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.period-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-cyan);
}

.period-number {
    font-size: var(--text-4xl);
    font-weight: 800;
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.period-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* Why Us Section */
.why-us {
    background: var(--bg-primary);
}

.why-us-content {
    text-align: center;
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-2xl);
}

.reason-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.reason-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-tech);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.reason-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

.reason-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-tech);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-xl);
    color: white;
    font-size: var(--text-2xl);
    transition: all var(--transition-base);
}

.reason-card:hover .reason-icon {
    transform: scale(1.1);
}

.reason-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.reason-card p {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-lg);
}

/* New reason card stats */
.reason-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    flex-wrap: wrap;
}

.stat-highlight {
    background: var(--gradient-tech);
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-comparison {
    color: var(--gray-400);
    font-weight: 600;
    text-decoration: line-through;
}

.vs {
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: var(--text-sm);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.brand-badge {
    background: var(--gray-100);
    color: var(--text-primary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    border: 2px solid var(--gray-200);
}

.brand-badge.weichai {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: white;
    border-color: #1e40af;
}

.brand-badge.yuchai {
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
    border-color: #059669;
}

.payment-step {
    background: var(--accent-cyan);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    min-width: 40px;
    text-align: center;
}

/* Calculator Section */
.calculator {
    background: var(--bg-secondary);
}

.calculator-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.calculator-wrapper {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-3xl);
    box-shadow: var(--shadow-lg);
}

.calc-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.input-group {
    text-align: left;
}

.input-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: var(--text-base);
}

.input-group input,
.input-group select {
    width: 100%;
    padding: var(--space-lg);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-weight: 500;
    transition: all var(--transition-base);
    background: var(--white);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.calc-results {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.calc-results h3 {
    margin-bottom: var(--space-xl);
    color: var(--primary-navy);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.result-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.result-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-cyan);
}

.result-card .result-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.result-card .result-value {
    font-size: var(--text-xl);
    font-weight: 800;
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.faq-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.faq-list {
    margin-top: var(--space-2xl);
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: var(--space-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: all var(--transition-base);
    user-select: none;
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-question-icon {
    color: var(--accent-cyan);
    font-size: var(--text-xl);
    width: 24px;
    flex-shrink: 0;
}

.faq-question-text {
    flex: 1;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-lg);
}

.faq-chevron {
    color: var(--text-secondary);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer-content {
    padding: 0 var(--space-xl) var(--space-xl);
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.faq-answer-icon {
    color: var(--accent-success);
    font-size: var(--text-lg);
    width: 24px;
    flex-shrink: 0;
}

.faq-answer-text {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* Target Section */
.target {
    background: var(--bg-secondary);
}

.target-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-5xl);
    align-items: start;
}

.segments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
}

.segment-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.segment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-tech);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.segment-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-cyan);
}

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

.segment-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-tech);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-xl);
    color: white;
    font-size: var(--text-2xl);
    transition: all var(--transition-base);
}

.segment-card:hover .segment-icon {
    transform: scale(1.1);
}

.segment-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.segment-card p {
    color: var(--text-secondary);
    font-size: var(--text-base);
}

.benefits-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    height: fit-content;
    position: sticky;
    top: var(--space-2xl);
}

.benefits-card h3 {
    color: var(--primary-navy);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.benefit-item:hover {
    background: var(--gray-50);
    transform: translateX(var(--space-sm));
}

.benefit-item i {
    color: var(--accent-success);
    font-size: var(--text-lg);
    margin-top: 2px;
    flex-shrink: 0;
}

.benefit-item span {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* Modern Process Timeline Section */
.process-timeline-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, 
        var(--bg-primary) 0%, 
        rgba(15, 23, 42, 0.02) 50%, 
        var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.process-timeline-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.process-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.process-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    color: var(--text-secondary);
    margin: var(--space-lg) 0 var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Progress Overview */
.timeline-progress-overview {
    margin: var(--space-2xl) 0;
}

.progress-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.stat-item {
    text-align: center;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    min-width: 120px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-cyan);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* Modern Timeline */
.modern-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-2xl) 0;
}

/* Timeline Progress Bar */
.timeline-progress-bar {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gray-200);
    transform: translateX(-50%);
    border-radius: 2px;
    z-index: 1;
}

.progress-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0%;
    background: var(--gradient-tech);
    border-radius: 2px;
    transition: height 0.8s ease;
    animation: progressPulse 2s infinite;
}

@keyframes progressPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(6, 182, 212, 0); }
}

/* Timeline Items */
.timeline-item {
    position: relative;
    margin-bottom: var(--space-3xl);
    display: flex;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.4s; }
.timeline-item:nth-child(4) { animation-delay: 0.6s; }
.timeline-item:nth-child(5) { animation-delay: 0.8s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Timeline Checkpoint */
.timeline-checkpoint {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    cursor: pointer;
}

.checkpoint-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border: 4px solid var(--accent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-cyan);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.final-checkpoint .checkpoint-icon {
    border-color: var(--success);
    color: var(--success);
    background: linear-gradient(135deg, var(--success), #10b981);
    color: white;
}

.checkpoint-pulse {
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid var(--accent-cyan);
    border-radius: 50%;
    animation: pulse 2s infinite;
    opacity: 0.6;
}

.final-checkpoint .checkpoint-pulse {
    border-color: var(--success);
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

.timeline-checkpoint:hover .checkpoint-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Timeline Content Cards */
.timeline-content-card {
    width: calc(50% - 60px);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content-card {
    margin-right: auto;
    margin-left: var(--space-xl);
}

.timeline-item:nth-child(even) .timeline-content-card {
    margin-left: auto;
    margin-right: var(--space-xl);
}

.timeline-content-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--accent-cyan);
}

.timeline-content-card::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border-style: solid;
}

.timeline-item:nth-child(odd) .timeline-content-card::before {
    right: -15px;
    border-width: 15px 0 15px 15px;
    border-color: transparent transparent transparent var(--bg-card);
    transform: translateY(-50%);
}

.timeline-item:nth-child(even) .timeline-content-card::before {
    left: -15px;
    border-width: 15px 15px 15px 0;
    border-color: transparent var(--bg-card) transparent transparent;
    transform: translateY(-50%);
}

/* Timeline Header */
.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.timeline-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.timeline-badge {
    padding: 0.5rem 1rem;
    background: var(--accent-cyan);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-badge.success {
    background: var(--success);
}

/* Timeline Body */
.timeline-body p {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-lg);
}

/* Timeline Details */
.timeline-details {
    display: grid;
    gap: var(--space-md);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.detail-item:hover {
    background: var(--gray-100);
    transform: translateX(4px);
}

.detail-item i {
    color: var(--accent-cyan);
    font-size: 0.9rem;
    width: 16px;
}

.detail-item span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Process Transparency */
.process-transparency {
    margin-top: var(--space-3xl);
    padding: var(--space-2xl);
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
}

.transparency-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.transparency-header h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.transparency-header i {
    color: var(--accent-cyan);
}

.transparency-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Limitations Grid */
.limitations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.limitation-item {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.limitation-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.limitation-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-electric));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.limitation-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.limitation-content p {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    font-size: 0.95rem;
}

/* Process CTA */
.process-cta {
    text-align: center;
    margin-top: var(--space-3xl);
    padding: var(--space-2xl);
    background: linear-gradient(135deg, 
        rgba(6, 182, 212, 0.1) 0%, 
        rgba(59, 130, 246, 0.1) 100%);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
}

.process-cta .cta-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.process-cta .cta-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--space-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.1rem;
    min-width: 200px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .modern-timeline {
        padding: var(--space-xl) var(--space-lg);
    }
    
    .timeline-progress-bar {
        left: 30px;
    }
    
    .timeline-checkpoint {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 80px;
    }
    
    .timeline-item:nth-child(even) {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .timeline-content-card {
        width: 100%;
        margin: 0 !important;
    }
    
    .timeline-content-card::before {
        display: none;
    }
    
    .progress-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .limitations-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .limitation-item {
        flex-direction: column;
        text-align: center;
    }
    
    .process-cta {
        padding: var(--space-xl);
    }
}

/* Process Section */
.process {
    background: var(--bg-primary);
}

.process-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.process-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-3xl);
    line-height: var(--leading-relaxed);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.timeline-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-tech);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.timeline-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.timeline-item:hover::before {
    transform: scaleX(1);
}

.timeline-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-tech);
    color: white;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    font-weight: 800;
    margin: 0 auto var(--space-xl);
    transition: all var(--transition-base);
}

.timeline-item:hover .timeline-number {
    transform: scale(1.1);
}

.timeline-content h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

.limitations {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: left;
    margin-bottom: var(--space-2xl);
}

.limitations h3 {
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--primary-navy);
}

.limitations ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.limitations li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: white;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.limitations li:hover {
    transform: translateX(var(--space-sm));
    box-shadow: var(--shadow-sm);
}

.limitations li::before {
    content: '•';
    color: var(--primary-blue);
    font-weight: bold;
    font-size: var(--text-lg);
    margin-top: 2px;
}



.case-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-3xl);
    box-shadow: var(--shadow-lg);
}

.case-card h3 {
    text-align: center;
    margin-bottom: var(--space-2xl);
    color: var(--primary-navy);
}

.case-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.case-step {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.case-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-cyan);
}

.step-label {
    font-weight: 700;
    color: var(--primary-blue);
    font-size: var(--text-lg);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.step-content {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    font-size: var(--text-sm);
}

.case-card blockquote {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-left: 4px solid var(--primary-blue);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    padding: var(--space-xl);
    font-style: italic;
    color: var(--text-secondary);
    margin: 0;
    position: relative;
}

.case-card blockquote::before {
    content: '"';
    position: absolute;
    top: var(--space-sm);
    left: var(--space-md);
    font-size: var(--text-3xl);
    color: var(--primary-blue);
    font-family: serif;
}





/* Final CTA Section */
section.final-cta {
    background: var(--primary-navy) !important;
    color: white !important;
    position: relative;
    overflow: hidden;
}

section.final-cta * {
    color: white !important;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/industrial-generator.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: 1;
}

section.final-cta .final-cta-content {
    position: relative;
    z-index: 10 !important;
    text-align: center;
}

section.final-cta .final-cta-content * {
    background: none !important;
    background-image: none !important;
    -webkit-text-fill-color: white !important;
    color: white !important;
}

section.final-cta .section-title {
    background: none !important;
    background-image: none !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: white !important;
    color: white !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3) !important;
    z-index: 10 !important;
    position: relative !important;
}

section.final-cta h2,
section.final-cta h3,
section.final-cta p,
section.final-cta span {
    background: none !important;
    background-image: none !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: white !important;
    color: white !important;
    -webkit-text-fill-color: white !important;
    z-index: 10;
    position: relative;
}

.cta-cascade {
    max-width: 800px;
    margin: 0 auto;
}

.primary-option {
    margin-bottom: var(--space-3xl);
}

.primary-option h3 {
    color: white;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-lg);
}

.primary-option p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-lg);
    margin-top: var(--space-md);
    line-height: var(--leading-relaxed);
}

.cta-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.cta-option {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.cta-option:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.cta-option p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-sm);
    margin-top: var(--space-md);
    line-height: var(--leading-relaxed);
}

.social-proof {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-lg);
    font-weight: 500;
}

.social-proof i {
    color: var(--accent-cyan);
    margin-right: var(--space-sm);
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5xl);
    align-items: start;
}

.contact-info {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-3xl);
}

.contact-info h3 {
    margin-bottom: var(--space-2xl);
    color: var(--primary-navy);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item:hover {
    color: var(--primary-blue);
    transform: translateX(var(--space-sm));
}

.contact-item i {
    font-size: var(--text-xl);
    color: var(--accent-cyan);
    width: 24px;
    text-align: center;
}

.contact-form-wrapper {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-3xl);
    box-shadow: var(--shadow-lg);
}

.contact-form .form-group {
    margin-bottom: var(--space-xl);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: var(--text-base);
}

.form-group input {
    width: 100%;
    padding: var(--space-lg);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-weight: 500;
    transition: all var(--transition-base);
    background: var(--white);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-group input.error {
    border-color: #ef4444;
}

.error-message {
    color: #ef4444;
    font-size: var(--text-sm);
    margin-top: var(--space-xs);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
}

.modal-content {
    background: var(--white);
    margin: 5% auto;
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-2xl);
    animation: fadeInUp 0.3s ease;
    border: 1px solid var(--gray-200);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2xl);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    margin: 0;
    color: var(--primary-navy);
    font-size: var(--text-xl);
}

.close {
    font-size: var(--text-2xl);
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-base);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.close:hover {
    color: var(--text-primary);
    background: var(--gray-100);
}

.modal-body {
    padding: var(--space-2xl);
}

.modal-form .form-group {
    margin-bottom: var(--space-xl);
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    background: var(--gradient-tech);
    color: white;
    border: none;
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-2xl);
    font-weight: 600;
    font-size: var(--text-base);
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
    z-index: 999;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.sticky-cta:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-2xl);
}

/* Success Notification */
.success-notification {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    background: linear-gradient(135deg, var(--accent-success), #059669);
    color: white;
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 10000;
    max-width: 400px;
    font-weight: 500;
    animation: slideInRight 0.3s ease;
}

/* Стили для иконок в stat-card */
.stat-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    display: block;
}

/* Новое модальное окно формы заявки */
.fixed {
    position: fixed;
}

.inset-0 {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

.bg-black\/50 {
    background-color: rgba(0, 0, 0, 0.5);
}

.backdrop-blur-sm {
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.z-50 {
    z-index: 50;
}

.hidden {
    display: none;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.p-4 {
    padding: 1rem;
}

.flex {
    display: flex;
}

.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.max-w-md {
    max-width: 28rem;
}

.w-full {
    width: 100%;
}

.p-8 {
    padding: 2rem;
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.top-4 {
    top: 1rem;
}

.right-4 {
    right: 1rem;
}

.text-slate-500 {
    color: #64748b;
}

.hover\:text-slate-800:hover {
    color: #1e293b;
}

.text-2xl {
    font-size: 1.5rem;
    line-height: 2rem;
}

.text-center {
    text-align: center;
}

.mb-8 {
    margin-bottom: 2rem;
}

.w-16 {
    width: 4rem;
}

.h-16 {
    height: 4rem;
}

.bg-gradient-to-r {
    background-image: linear-gradient(to right, var(--value));
}

.from-neon-blue {
    --value: #3b82f6;
}

.to-neon-cyan {
    --value: #06b6d4;
}

.neon-blue {
    color: #3b82f6;
}

.neon-cyan {
    color: #06b6d4;
}

.rounded-full {
    border-radius: 9999px;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.mb-4 {
    margin-bottom: 1rem;
}

.text-white {
    color: #ffffff;
}

.font-bold {
    font-weight: 700;
}

.text-slate-800 {
    color: #1e293b;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.text-slate-600 {
    color: #475569;
}

.space-y-4 > * + * {
    margin-top: 1rem;
}

.block {
    display: block;
}

.text-sm {
    font-size: 0.875rem;
    line-height: 1.25rem;
}

.font-medium {
    font-weight: 500;
}

.text-slate-700 {
    color: #334155;
}

.p-3 {
    padding: 0.75rem;
}

.rounded-lg {
    border-radius: 0.5rem;
}

.border {
    border-width: 1px;
}

.border-glass-border {
    border-color: rgba(255, 255, 255, 0.3);
}

.bg-white\/80 {
    background-color: rgba(255, 255, 255, 0.8);
}

.focus\:border-neon-blue:focus {
    border-color: #3b82f6;
}

.focus\:outline-none:focus {
    outline: none;
}

.text-red-500 {
    color: #ef4444;
}

.px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.py-3 {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.font-semibold {
    font-weight: 600;
}

.mr-2 {
    margin-right: 0.5rem;
}

.bg-green-500 {
    background-color: #10b981;
}

.text-xl {
    font-size: 1.25rem;
    line-height: 1.75rem;
}

.cta-button {
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.neon-glow {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.hover\:shadow-xl:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.transition-all {
    transition: all 0.3s ease;
}

/* Модальное окно анимации */
#modal {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease-out;
}

#modal .glass-card {
    animation: slideUp 0.3s ease-out;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes slideUp {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Форма стили */
input:focus, select:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    border-color: #3b82f6 !important;
}

.form-error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.3) !important;
}

/* Успешная отправка формы */
.success-animation {
    animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

/* Стили для нового калькулятора */
.calculator-result {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.calculator-result:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-cyan);
}

.calculator-value {
    font-size: var(--text-2xl);
    font-weight: 800;
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
    line-height: 1.2;
}

.calculator-label {
    font-size: var(--text-base);
    color: var(--text-secondary);
    font-weight: 500;
    line-height: var(--leading-relaxed);
}

.cta-button-large {
    padding: var(--space-xl) var(--space-3xl);
    font-size: var(--text-xl);
    font-weight: 700;
    min-width: 280px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.cta-button-large:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.calculator-cta {
    text-align: center;
    margin-top: var(--space-3xl);
    padding: var(--space-2xl);
    background: linear-gradient(135deg, 
        rgba(6, 182, 212, 0.05) 0%, 
        rgba(59, 130, 246, 0.05) 100%);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
}

/* Сетка результатов калькулятора */
#calculator-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

/* Мобильная адаптация калькулятора */
@media (max-width: 768px) {
    #calculator-results {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md);
    }
    
    .calculator-result {
        padding: var(--space-lg);
    }
    
    .calculator-value {
        font-size: var(--text-lg);
    }
    
    .calculator-label {
        font-size: var(--text-sm);
    }
    
    .cta-button-large {
        padding: var(--space-lg) var(--space-2xl);
        font-size: var(--text-lg);
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 480px) {
    #calculator-results {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .calculator-result {
        padding: var(--space-md);
    }
    
    .calculator-value {
        font-size: var(--text-base);
    }
    
    .cta-button-large {
        padding: var(--space-md) var(--space-lg);
        font-size: var(--text-base);
    }
}

/* Мобильная адаптация модального окна */
@media (max-width: 768px) {
    .glass-card {
        margin: 1rem;
        max-width: calc(100vw - 2rem);
        padding: 1.5rem !important;
    }
    
    .glass-card h2 {
        font-size: 1.5rem !important;
    }
    
    .glass-card .space-y-4 > * + * {
        margin-top: 0.75rem;
    }
}

@media (max-width: 480px) {
    .glass-card {
        margin: 0.5rem;
        max-width: calc(100vw - 1rem);
        padding: 1rem !important;
    }
    
    .glass-card h2 {
        font-size: 1.25rem !important;
    }
    
    .glass-card input,
    .glass-card select,
    .glass-card button {
        font-size: 1rem !important;
    }
}

/* Footer Styles */
.footer {
    background: var(--primary-navy);
    color: white;
    padding: var(--space-4xl) 0 var(--space-xl);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
    position: relative;
    z-index: 2;
}

.footer-section h4 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 800;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-lg);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: var(--leading-relaxed);
    font-size: var(--text-base);
}

.footer-contacts {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: rgba(255, 255, 255, 0.9);
    transition: all var(--transition-base);
}

.footer-contact-item:hover {
    color: var(--accent-cyan);
    transform: translateX(4px);
}

.footer-contact-item i {
    width: 20px;
    color: var(--accent-cyan);
    font-size: var(--text-base);
}

.footer-links {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--transition-base);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--accent-cyan);
    transform: translateX(4px);
}

.footer-cta-text {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
    line-height: var(--leading-relaxed);
}

.footer-cta-btn {
    background: var(--gradient-tech);
    color: white;
    border: none;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: var(--shadow-lg);
}

.footer-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 2;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
}

.footer-copyright p {
    margin-bottom: var(--space-xs);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-base);
}

.footer-legal a:hover {
    color: var(--accent-cyan);
}

/* Footer Mobile Styles */
@media (max-width: 768px) {
    .footer {
        padding: var(--space-2xl) 0 var(--space-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer-content {
        gap: var(--space-lg);
    }
    
    .footer-cta-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== NEW TIMELINE CARDS (VARIANT 1) ===== */
.v1-cards-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.v1-timeline-card {
    background: white;
    border-radius: 12px;
    padding: var(--space-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    opacity: 1;
    transform: translateY(0);
}

.v1-timeline-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.v1-card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    color: white;
    margin-bottom: var(--space-md);
}

.v1-card-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.v1-card-weeks {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.v1-card-description {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.5;
}

.v1-card-tasks {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
}

.v1-card-tasks ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.v1-card-tasks li {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
    padding-left: var(--space-md);
    position: relative;
}

.v1-card-tasks li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
}

/* Мобильная адаптивность для Timeline Cards */
@media (max-width: 1024px) {
    .v1-cards-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
}

@media (max-width: 768px) {
    .v1-cards-container {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        margin-top: var(--space-xl);
    }
    
    .v1-timeline-card {
        padding: var(--space-lg);
    }
    
    .v1-card-icon {
        width: 40px;
        height: 40px;
        font-size: var(--text-lg);
    }
}

@media (max-width: 480px) {
    .v1-cards-container {
        margin-top: var(--space-lg);
    }
    
    .v1-timeline-card {
        padding: var(--space-md);
    }
    
    .v1-card-icon {
        width: 36px;
        height: 36px;
        font-size: var(--text-base);
    }
}

/* ===== MESSENGER MODAL STYLES ===== */
.messenger-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.messenger-option {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-lg);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.messenger-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.messenger-option:hover::before {
    opacity: 1;
}

.messenger-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-sm);
    font-size: var(--text-xl);
    color: white;
    position: relative;
    z-index: 1;
}

.messenger-icon.telegram {
    background: linear-gradient(135deg, #0088cc 0%, #229ED9 100%);
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.3);
}

.messenger-icon.whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.messenger-icon.max {
    background: linear-gradient(135deg, #FF6B6B 0%, #EE5A24 100%);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.messenger-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    position: relative;
    z-index: 1;
}

.messenger-desc {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

/* Hover effects for specific messengers */
.messenger-option:hover .messenger-icon.telegram {
    box-shadow: 0 8px 25px rgba(0, 136, 204, 0.5);
}

.messenger-option:hover .messenger-icon.whatsapp {
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

.messenger-option:hover .messenger-icon.max {
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.5);
}

/* Mobile adaptivity for Messenger Modal */
@media (max-width: 768px) {
    .messenger-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .messenger-option {
        padding: var(--space-lg);
    }
    
    .messenger-icon {
        width: 50px;
        height: 50px;
        font-size: var(--text-xl);
    }
}

@media (max-width: 480px) {
    .messenger-option {
        padding: var(--space-md);
    }
    
    .messenger-icon {
        width: 45px;
        height: 45px;
        font-size: var(--text-lg);
    }
}

/* Hide CTA Header Button on Mobile */
@media (max-width: 768px) {
    .cta-header {
        display: none !important;
    }
}