:root {
    /* Цветовая палитра */
    --bg-color: #000000;
    --text-primary: #ffffff;
    --text-secondary: #a1a1a6;
    --accent-blue: #0071e3;
    --accent-blue-hover: #0077ed;
    --card-bg: rgba(28, 28, 30, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --nav-bg: rgba(0, 0, 0, 0.7);
    
    /* Размеры и отступы */
    --border-radius: 24px;
    --container-width: 1024px;
    --section-spacing: 120px;

    /* Шрифты */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Базовые стили */
body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    margin: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-top: 0;
}

h1 {
    font-size: 48px;
    line-height: 1.1;
    margin-bottom: 16px;
}

h2 {
    font-size: 40px;
    margin-bottom: 16px;
    text-align: center;
}

p {
    color: var(--text-secondary);
    font-size: 18px;
}

.section-subtitle {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
    font-size: 20px;
}

/* Утилиты */
.blur-bg {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

.reveal-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Мобильный переключатель языков - скрыт на десктопе */
.lang-switcher-mobile {
    display: none !important;
}

.reveal-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Apple-style staggered animations */
.feature-card,
.bento-item,
.step-card,
.pricing-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-section.visible .feature-card,
.reveal-section.visible .bento-item,
.reveal-section.visible .step-card,
.reveal-section.visible .pricing-card {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delay for cards */
.reveal-section.visible .feature-card:nth-child(1),
.reveal-section.visible .step-card:nth-child(1),
.reveal-section.visible .pricing-card:nth-child(1) { transition-delay: 0.1s; }
.reveal-section.visible .feature-card:nth-child(2),
.reveal-section.visible .step-card:nth-child(2),
.reveal-section.visible .pricing-card:nth-child(2) { transition-delay: 0.2s; }
.reveal-section.visible .feature-card:nth-child(3),
.reveal-section.visible .step-card:nth-child(3) { transition-delay: 0.3s; }
.reveal-section.visible .feature-card:nth-child(4) { transition-delay: 0.4s; }
.reveal-section.visible .feature-card:nth-child(5) { transition-delay: 0.5s; }
.reveal-section.visible .feature-card:nth-child(6) { transition-delay: 0.6s; }
.reveal-section.visible .feature-card:nth-child(7) { transition-delay: 0.7s; }
.reveal-section.visible .feature-card:nth-child(8) { transition-delay: 0.8s; }
.reveal-section.visible .feature-card:nth-child(9) { transition-delay: 0.9s; }

/* Apple-style text reveal */
.reveal-section h2,
.reveal-section .section-subtitle {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-section.visible h2 {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0s;
}

.reveal-section.visible .section-subtitle {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.15s;
}

/* Update card animation */
.update-card {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-section.visible .update-card {
    opacity: 1;
    transform: scale(1) translateY(0);
}

/* Screenshot grid animation */
.screenshot-item {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-section.visible .screenshot-item:nth-child(1) { opacity: 1; transform: translateY(0) scale(1); transition-delay: 0.1s; }
.reveal-section.visible .screenshot-item:nth-child(2) { opacity: 1; transform: translateY(0) scale(1); transition-delay: 0.2s; }
.reveal-section.visible .screenshot-item:nth-child(3) { opacity: 1; transform: translateY(0) scale(1); transition-delay: 0.25s; }
.reveal-section.visible .screenshot-item:nth-child(4) { opacity: 1; transform: translateY(0) scale(1); transition-delay: 0.3s; }
.reveal-section.visible .screenshot-item:nth-child(5) { opacity: 1; transform: translateY(0) scale(1); transition-delay: 0.4s; }
.reveal-section.visible .screenshot-item:nth-child(6) { opacity: 1; transform: translateY(0) scale(1); transition-delay: 0.45s; }
.reveal-section.visible .screenshot-item:nth-child(7) { opacity: 1; transform: translateY(0) scale(1); transition-delay: 0.5s; }

/* Навигация */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px 0;
    transition: background 0.3s;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.85);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 18px;
}

.nav-logo img {
    width: 32px;
    height: 32px;
    margin-right: 12px;
    border-radius: 8px;
}

.nav-links-container {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 32px;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Переключатель языков */
.lang-switcher {
    display: flex;
    margin-left: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 4px;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 12px;
    transition: all 0.2s;
}

.lang-btn.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    border-radius: 2px;
}

/* Hero Секция */
.hero {
    padding: 180px 0 120px;
    text-align: center;
    background: radial-gradient(circle at 50% 30%, rgba(0, 113, 227, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
}

.hero-content p {
    font-size: 22px;
    max-width: 680px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.hero-note {
    font-size: 15px;
    color: var(--text-secondary);
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 99px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}

.btn-primary:hover {
    background: var(--accent-blue-hover);
    box-shadow: 0 6px 16px rgba(0, 113, 227, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.icon-btn svg {
    margin-right: 10px;
}

/* Секции и Сетки */
section {
    padding: var(--section-spacing) 0;
}

.features-grid, .bento-grid, .steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card, .bento-item, .step-card {
    padding: 32px;
    border-radius: var(--border-radius);
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover, .bento-item:hover, .step-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.feature-card h3, .bento-item h3, .step-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.feature-card p, .bento-item p, .step-card p {
    font-size: 16px;
    margin-bottom: 0;
}

/* Bento Grid */
.bento-grid {
    grid-template-columns: repeat(3, 1fr);
}

.bento-item.large {
    grid-column: span 2;
    display: flex;
    align-items: center;
}

.bento-item.large .bento-content {
    max-width: 60%;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    padding: 40px;
    border-radius: var(--border-radius);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.premium {
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.15) 0%, var(--card-bg) 100%);
    border: 1px solid rgba(0, 113, 227, 0.3);
}

.popular-badge {
    position: absolute;
    top: -14px;
    right: 24px;
    background: var(--accent-blue);
    color: white;
    padding: 6px 16px;
    border-radius: 99px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.price {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 8px;
}

.price span {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-secondary);
}

.pricing-card > p {
    margin-bottom: 32px;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0 0 32px 0;
    flex-grow: 1;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 16px;
    font-size: 16px;
}

.check {
    margin-right: 12px;
}

.pricing-card .btn {
    width: 100%;
    box-sizing: border-box;
}

.trial-note {
    text-align: center;
    font-size: 13px;
    margin-top: 16px;
    margin-bottom: 0;
}

.price-old {
    text-decoration: line-through;
    color: var(--text-secondary);
    font-size: 24px;
    font-weight: 500;
    margin-right: 8px;
    opacity: 0.5;
}

.price-old-inline {
    text-decoration: line-through;
    opacity: 0.5;
    margin-right: 2px;
}

.price-drop-badge {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b35, #ff4500);
    color: #fff;
    padding: 4px 14px;
    border-radius: 99px;
    font-size: 13px;
    font-weight: 700;
    margin-top: 8px;
}

/* Скриншоты - Сетка */
.screenshots-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    padding: 40px 0;
}

.screenshot-item {
    width: calc(25% - 18px);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    transform: translateY(40px) scale(0.95);
}

.screenshot-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 1024px) {
    .screenshots-grid {
        gap: 20px;
    }
    
    .screenshot-item {
        width: calc(33.333% - 14px);
    }
}

@media (max-width: 768px) {
    .screenshots-grid {
        gap: 16px;
    }
    
    .screenshot-item {
        width: calc(50% - 8px);
    }
}

/* Шаги установки */
.step-card {
    text-align: center;
    position: relative;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--accent-blue);
    color: white;
    font-size: 20px;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 24px;
}

.step-card .app-store-badge img {
    height: 56px;
    margin-top: 24px;
}

.step-card .btn {
    margin-top: 24px;
}

/* Подвал */
footer {
    padding: 40px 0;
    margin-top: var(--section-spacing);
}

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

.footer-brand {
    display: flex;
    align-items: center;
}

.footer-logo {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    border-radius: 6px;
}

.copyright {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 32px;
    font-size: 14px;
    transition: color 0.2s;
}

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

/* Адаптивность */
@media (max-width: 1024px) {
    h1 { font-size: 40px; }
    h2 { font-size: 32px; }
    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .bento-item.large { grid-column: span 2; }
}

@media (max-width: 768px) {
    :root { --section-spacing: 80px; }
    .hero { padding-top: 140px; }
    h1 { font-size: 36px; }
    .hero-content p { font-size: 18px; }
    .hero-buttons { flex-direction: column; }
    .btn { width: 100%; box-sizing: border-box; }
    
    .nav-links-container {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--glass-border);
        z-index: 999;
    }
    
    .nav-links-container.active { display: flex; }
    .nav-links { 
        display: flex;
        flex-direction: column; 
        width: 100%; 
    }
    .nav-links a { 
        margin: 0; 
        padding: 12px 0;
        font-size: 18px; 
        border-bottom: 1px solid var(--glass-border);
    }
    .nav-links a:last-child {
        border-bottom: none;
    }
    .lang-switcher { 
        display: none;
    }
    .mobile-menu-btn { display: block; }
    
    /* Языки в навбаре для мобилки */
    .lang-switcher-mobile {
        display: flex !important;
        margin-left: auto;
        margin-right: 16px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 12px;
        padding: 3px;
    }
    
    .lang-switcher-mobile .lang-btn {
        padding: 5px 8px;
        font-size: 11px;
        border-radius: 9px;
    }
    
    .bento-grid { grid-template-columns: 1fr; }
    .bento-item.large { grid-column: span 1; }
    .bento-item.large .bento-content { max-width: 100%; }
    
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
    
    .footer-content { flex-direction: column; gap: 24px; }
    .footer-links { display: flex; flex-direction: column; align-items: center; gap: 16px; }
    .footer-links a { margin: 0; }
}

/* Floating Contact Buttons */
.floating-contacts {
    position: fixed;
    bottom: 28px;
    right: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.floating-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.floating-btn:hover {
    transform: scale(1.15);
}

.floating-telegram {
    background: rgba(0, 136, 204, 0.85);
    box-shadow: 0 4px 20px rgba(0, 136, 204, 0.4);
}

.floating-telegram:hover {
    box-shadow: 0 6px 28px rgba(0, 136, 204, 0.6);
}

.floating-email {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.floating-email:hover {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 6px 28px rgba(0, 0, 0, 0.4);
}

@media (max-width: 768px) {
    .floating-contacts {
        bottom: 20px;
        right: 16px;
    }
    
    .floating-btn {
        width: 44px;
        height: 44px;
    }
}

/* Update Banner */
.update-banner {
    padding: 40px 0;
}

/* Social Proof / Testimonial */
.social-proof {
    padding: 80px 0;
}

.testimonial-card {
    max-width: 500px;
    margin: 0 auto;
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
}

.testimonial-stars {
    font-size: 24px;
    margin-bottom: 20px;
    letter-spacing: 4px;
}

.testimonial-quote {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 32px 0;
    line-height: 1.3;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--glass-border);
}

.testimonial-info {
    text-align: left;
}

.testimonial-name {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.testimonial-stats {
    display: flex;
    gap: 16px;
}

.testimonial-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.testimonial-link:hover {
    color: var(--accent-blue);
}

.testimonial-link svg {
    opacity: 0.7;
}

.testimonial-link:hover svg {
    opacity: 1;
}

.update-card {
    padding: 32px 40px;
    border-radius: var(--border-radius);
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.1) 0%, var(--card-bg) 100%);
    border: 1px solid rgba(0, 200, 83, 0.3);
}

.update-badge {
    display: inline-block;
    background: linear-gradient(135deg, #00c853, #00e676);
    color: #000;
    padding: 6px 16px;
    border-radius: 99px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
}

.update-card h3 {
    font-size: 28px;
    margin-bottom: 12px;
}

.update-card > p {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 24px;
}

.update-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.update-feature {
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 99px;
    font-size: 14px;
    font-weight: 500;
}

@media (max-width: 768px) {
    .update-features { flex-direction: column; align-items: center; }
    .update-card { padding: 24px; }
    .update-card h3 { font-size: 24px; }
}