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

:root {
    --primary-color: #FF6B9D;
    --secondary-color: #C44569;
    --accent-color: #F8B500;
    --bg-gradient-start: #FF6B9D;
    --bg-gradient-end: #C44569;
    --text-dark: #2D2D2D;
    --text-light: #FFFFFF;
    --text-muted: #666666;
    --bg-light: #FFF5F8;
    --card-bg: #FFFFFF;
    --shadow: 0 10px 40px rgba(255, 107, 157, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header.scrolled .navbar {
    padding: 10px 0;
}

.navbar {
    padding: 20px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 24px;
}

.logo img {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text-light);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 107, 157, 0.4);
}

.nav-download {
    padding: 10px 25px;
    font-size: 14px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #FFF5F8 0%, #FFE4EC 50%, #FFF0F5 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 107, 157, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(196, 69, 105, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.8;
}

.version-info {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.version-info span {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-muted);
    border: 1px solid rgba(255, 107, 157, 0.2);
}

.hero-download {
    font-size: 18px;
    padding: 16px 40px;
}

.download-icon {
    font-size: 20px;
}

.hero-screenshots {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.screenshot-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.screenshot-item {
    position: absolute;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.screenshot-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.screenshot-1 {
    width: 280px;
    height: 480px;
    left: 0;
    top: 50%;
    transform: translateY(-50%) rotate(-5deg);
    z-index: 1;
    animation: float1 4s ease-in-out infinite;
}

.screenshot-2 {
    width: 300px;
    height: 500px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    animation: float2 4s ease-in-out infinite 0.5s;
}

.screenshot-3 {
    width: 280px;
    height: 480px;
    right: 0;
    top: 50%;
    transform: translateY(-50%) rotate(5deg);
    z-index: 2;
    animation: float3 4s ease-in-out infinite 1s;
}

@keyframes float1 {
    0%, 100% { transform: translateY(-50%) rotate(-5deg); }
    50% { transform: translateY(-55%) rotate(-3deg); }
}

@keyframes float2 {
    0%, 100% { transform: translate(-50%, -50%); }
    50% { transform: translate(-50%, -55%); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(-50%) rotate(5deg); }
    50% { transform: translateY(-55%) rotate(3deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 14px;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 20px;
    height: 30px;
    border: 2px solid var(--text-muted);
    border-radius: 10px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    animation: scrollDown 1.5s ease-in-out infinite;
}

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

@keyframes scrollDown {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(15px); opacity: 0; }
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 16px;
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 60px;
}

.features {
    padding: 100px 0;
    background: var(--card-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: 20px;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    background: var(--card-bg);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

.advantages {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text-light);
}

.advantages .section-title {
    color: var(--text-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

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

.advantage-number {
    font-size: 60px;
    font-weight: 800;
    opacity: 0.2;
    margin-bottom: 20px;
}

.advantage-item h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
}

.advantage-item p {
    font-size: 15px;
    line-height: 1.7;
    opacity: 0.9;
}

.reviews {
    padding: 100px 0;
    background: var(--bg-light);
}

.reviews-slider {
    display: flex;
    gap: 30px;
    overflow: hidden;
    margin-bottom: 40px;
}

.review-card {
    flex: 0 0 calc(33.333% - 20px);
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.reviewer-avatar {
    font-size: 40px;
    margin-bottom: 20px;
}

.review-content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 25px;
    font-style: italic;
}

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

.reviewer-name {
    font-weight: 600;
    color: var(--text-dark);
}

.review-date {
    font-size: 13px;
    color: var(--text-muted);
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.prev-btn, .next-btn {
    width: 45px;
    height: 45px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    background: transparent;
    color: var(--primary-color);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.prev-btn:hover, .next-btn:hover {
    background: var(--primary-color);
    color: var(--text-light);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 107, 157, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

.faq {
    padding: 100px 0;
    background: var(--card-bg);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(255, 107, 157, 0.1);
}

.faq-question {
    width: 100%;
    padding: 25px 0;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    transition: color 0.3s ease;
    text-align: left;
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-question::after {
    content: '+';
    font-size: 24px;
    font-weight: 300;
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

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

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

.faq-answer p {
    padding-bottom: 25px;
    color: var(--text-muted);
    line-height: 1.8;
}

.download-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #FFF5F8 0%, #FFE4EC 100%);
    text-align: center;
}

.download-title {
    font-size: 42px;
    margin-bottom: 20px;
}

.download-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.primary-download {
    font-size: 24px;
    padding: 20px 60px;
    margin-bottom: 20px;
    display: inline-flex;
}

.download-note {
    font-size: 14px;
    color: var(--text-muted);
}

.footer {
    padding: 40px 0;
    background: var(--text-dark);
    color: var(--text-light);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-light);
    font-weight: 700;
    font-size: 24px;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
}

.footer-copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 36px;
    }

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

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .review-card {
        flex: 0 0 calc(50% - 15px);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 85px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: var(--card-bg);
        padding: 30px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
    }

    .nav-links.active {
        left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-download {
        display: none;
    }

    .hero-text h1 {
        font-size: 30px;
    }

    .hero-text p {
        font-size: 16px;
    }

    .hero-screenshots {
        overflow-x: auto;
        overflow-y: hidden;
        padding: 20px 0;
    }

    .screenshot-container {
        display: flex;
        gap: 20px;
        justify-content: center;
        align-items: center;
        position: static;
        width: max-content;
        margin: 0 auto;
    }

    .screenshot-item {
        position: static;
        transform: none !important;
        animation: none !important;
        flex-shrink: 0;
    }

    .screenshot-1, .screenshot-2, .screenshot-3 {
        width: 180px;
        height: 320px;
        display: block;
    }

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

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

    .review-card {
        flex: 0 0 100%;
    }

    .download-title {
        font-size: 32px;
    }

    .primary-download {
        font-size: 20px;
        padding: 16px 40px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 26px;
    }

    .section-title {
        font-size: 28px;
    }

    .screenshot-1, .screenshot-2, .screenshot-3 {
        width: 150px;
        height: 260px;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .advantage-item {
        padding: 0 20px;
    }

    .review-card {
        padding: 30px 20px;
    }

    .faq-question {
        font-size: 16px;
    }
}