/* Импорт шрифтов */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* Переменные */
:root {
    --primary: #4F46E5;
    --primary-light: #6366F1;
    --primary-dark: #4338CA;
    --secondary: #10B981;
    --accent: #F59E0B;
    
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Общие стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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;
}

/* Декоративные элементы фона */
.bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(99, 102, 241, 0.05));
    animation: float 20s ease-in-out infinite;
}

.circle-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.circle-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

.circle-3 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -20px) scale(1.05); }
    50% { transform: translate(-15px, 15px) scale(0.95); }
    75% { transform: translate(15px, 20px) scale(1.02); }
}

/* Контейнер */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

.section {
    padding: 60px 0;
}

/* Заголовки секций */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(99, 102, 241, 0.05));
    color: var(--primary);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-description {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Градиентный текст */
.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Шапка */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--text-primary);
    padding: 16px 0;
    transition: var(--transition);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 48px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    color: white;
    text-decoration: none;
}

.logo-icon {
    font-size: 32px;
    line-height: 1;
}

.nav {
    display: flex;
    gap: 40px;
    flex: 1;
    justify-content: center;
}

.nav a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-light);
    transition: width 0.3s ease;
}

.nav a:hover {
    color: white;
}

.nav a:hover::after {
    width: 100%;
}

.btn-header {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

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

/* Герой */
.hero {
    padding: 120px 0 60px;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
    color: var(--secondary);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 32px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    padding: 32px 40px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 700px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

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

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: var(--border);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px 24px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: default;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-icon-wrapper {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(99, 102, 241, 0.05));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon {
    font-size: 32px;
    line-height: 1;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Скриншоты */
.screenshots {
    background: var(--bg-primary);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.screenshot-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

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

.screenshot-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.screenshot-item:hover img {
    transform: scale(1.05);
}

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 50px;
    background: rgba(79, 70, 229, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.screenshot-item:hover .screenshot-overlay {
    opacity: 1;
}

.screenshot-overlay span {
    color: white;
    font-weight: 600;
    font-size: 16px;
}

.screenshot-caption {
    padding: 20px;
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-primary);
}

/* Модальное окно */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-close {
    position: absolute;
    top: 40px;
    right: 60px;
    color: white;
    font-size: 48px;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

/* Преимущества */
.benefits {
    background: var(--bg-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.benefit-card {
    padding: 32px 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    transition: height 0.3s ease;
}

.benefit-card:hover::before {
    height: 100%;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.benefit-number {
    font-size: 64px;
    font-weight: 900;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(99, 102, 241, 0.05));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 24px;
}

.benefit-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.benefit-card p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-primary);
    margin-bottom: 20px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.faq-question {
    padding: 32px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    transition: var(--transition);
}

.faq-question h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.faq-toggle {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(99, 102, 241, 0.05));
    border-radius: 50%;
    transition: var(--transition);
}

.faq-toggle svg {
    transition: transform 0.3s ease;
    color: var(--primary);
}

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

.faq-item.active .faq-toggle {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.faq-item.active .faq-toggle svg {
    color: white;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 32px 32px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 16px;
}

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

.contact-form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 16px;
    transition: var(--transition);
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* Скачать */
.download {
    background: var(--bg-secondary);
}

.download-card {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 48px 40px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.download-card h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.download-card p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.btn-download {
    padding: 20px 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.btn-download:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.download-size {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
}

.download-info {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.download-info span {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
}

/* Футер */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-description {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 15px;
}

.footer-section h4 {
    color: white;
    margin-bottom: 24px;
    font-size: 16px;
    font-weight: 700;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    font-size: 15px;
}

.footer-nav a:hover {
    color: var(--primary-light);
    transform: translateX(4px);
}

.footer-info {
    list-style: none;
    color: var(--text-light);
}

.footer-info li {
    padding: 6px 0;
    font-size: 15px;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

/* Адаптивность */
@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }
    
    .section {
        padding: 48px 0;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .section-header h2 {
        font-size: 36px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .header-content {
        gap: 16px;
    }
    
    .nav {
        display: none;
    }
    
    .btn-header {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .hero {
        padding: 100px 0 48px;
    }
    
    .hero-title {
        font-size: 36px;
        letter-spacing: -1px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
        padding: 24px;
    }
    
    .stat-divider {
        width: 80%;
        height: 1px;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section-header {
        margin-bottom: 32px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .section-description {
        font-size: 16px;
    }
    
    .features-grid,
    .screenshots-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-form-wrapper {
        padding: 32px 24px;
    }
    
    .download-card {
        padding: 40px 24px;
    }
    
    .download-card h2 {
        font-size: 28px;
    }
    
    .btn-download {
        padding: 16px 32px;
        font-size: 16px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .modal-close {
        top: 20px;
        right: 20px;
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .logo {
        font-size: 18px;
    }
    
    .logo-icon {
        font-size: 24px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .feature-card,
    .benefit-card {
        padding: 24px 20px;
    }
    
    .faq-question {
        padding: 20px 16px;
    }
    
    .faq-answer p {
        padding: 0 16px 20px;
    }
    
    .download-info {
        flex-direction: column;
        gap: 12px;
    }
}