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

html {
    scroll-behavior: smooth;
}

:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --accent-color: #fd79a8;
    --dark-color: #2d3436;
    --light-color: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    --gradient-accent: linear-gradient(135deg, #fd79a8 0%, #e84393 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

.delay-4 {
    transition-delay: 0.4s;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--dark-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

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

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

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

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

.nav-links a.active::after {
    width: 100%;
}

.hero {
    min-height: 100vh;
    background: var(--gradient-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding-top: 80px;
}

.hero-content {
    padding: 40px 20px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

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

.btn {
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.section-subtitle {
    text-align: center;
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 50px;
}

.features {
    padding: 100px 0;
    background: var(--light-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.4rem;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

.screenshots {
    padding: 100px 0;
    background: white;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.screenshot-card {
    background: var(--light-color);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
}

.screenshot-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.screenshot-placeholder {
    background: var(--gradient-primary);
    height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
}

.screenshot-placeholder span {
    font-size: 4rem;
    margin-bottom: 10px;
}

.screenshot-placeholder p {
    font-size: 1rem;
    opacity: 0.9;
}

.screenshot-card h4 {
    padding: 20px 20px 10px;
    color: var(--dark-color);
    font-size: 1.2rem;
}

.screenshot-card p {
    padding: 0 20px 20px;
    color: #666;
    font-size: 0.95rem;
}

.screenshot-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.download {
    padding: 100px 0;
    background: var(--light-color);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    margin-top: 50px;
    align-items: start;
}

.download-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.download-icon {
    font-size: 5rem;
    margin-bottom: 20px;
}

.download-card h3 {
    font-size: 1.8rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.download-card p {
    color: #666;
    margin-bottom: 20px;
}

.download-info {
    list-style: none;
    text-align: left;
    margin: 20px 0;
    padding: 20px;
    background: var(--light-color);
    border-radius: 10px;
}

.download-info li {
    padding: 10px 0;
    color: #555;
}

.btn-download {
    display: inline-block;
    padding: 15px 40px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    margin-top: 20px;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(108, 92, 231, 0.4);
}

.download-guide {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.download-guide h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 30px;
}

.download-guide ol {
    list-style: none;
    counter-reset: step;
}

.download-guide ol li {
    counter-increment: step;
    padding-left: 50px;
    position: relative;
    padding-bottom: 30px;
    border-left: 2px solid #eee;
    margin-left: 15px;
}

.download-guide ol li:last-child {
    border-left: none;
    padding-bottom: 0;
}

.download-guide ol li::before {
    content: counter(step);
    position: absolute;
    left: -15px;
    top: 0;
    width: 30px;
    height: 30px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.download-guide ol li strong {
    display: block;
    color: var(--dark-color);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.download-guide ol li p {
    color: #666;
    font-size: 0.95rem;
}

.requirement-box {
    margin-top: 30px;
    padding: 20px;
    background: var(--light-color);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.requirement-box h4 {
    color: var(--dark-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.requirement-box p {
    color: #555;
    margin-bottom: 8px;
}

.pricing {
    padding: 100px 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 2px solid #eee;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(108, 92, 231, 0.15);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 8px 25px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.vip-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-accent);
    color: white;
    padding: 8px 25px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.price {
    margin-bottom: 5px;
}

.currency {
    font-size: 1.5rem;
    color: var(--primary-color);
    vertical-align: top;
}

.amount {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.price-desc {
    color: #999;
    font-size: 0.95rem;
}

.pricing-features {
    list-style: none;
    margin: 30px 0;
    text-align: left;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    color: #555;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.btn-pricing {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-pricing:hover {
    background: var(--primary-color);
    color: white;
}

.btn-pricing.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.btn-pricing.btn-primary:hover {
    box-shadow: 0 10px 30px rgba(108, 92, 231, 0.4);
}

.btn-pricing.btn-vip {
    background: var(--gradient-accent);
    color: white;
    border: none;
}

.btn-pricing.btn-vip:hover {
    box-shadow: 0 10px 30px rgba(253, 121, 168, 0.4);
}

.about {
    padding: 100px 0;
    background: var(--light-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-top: 50px;
}

.about-text p {
    color: #555;
    margin-bottom: 20px;
    line-height: 1.8;
}

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

.stat-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    color: #666;
    font-size: 0.95rem;
}

.footer {
    background: var(--dark-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.footer-section p,
.footer-section li {
    color: #bbb;
    margin-bottom: 10px;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #888;
}

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    margin-top: 5vh;
    border-radius: 10px;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s;
}

@keyframes zoomIn {
    from {
        transform: scale(0.7);
    }

    to {
        transform: scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
    z-index: 2001;
}

.modal-close:hover,
.modal-close:focus {
    color: var(--secondary-color);
}

#modal-caption {
    margin: auto;
    display: block;
    text-align: center;
    color: #ccc;
    padding: 15px 0;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: white;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: right 0.3s ease;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        display: flex;
    }

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

    .nav-links a {
        font-size: 1.2rem;
        padding: 10px 20px;
    }

    .mobile-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }

    .mobile-overlay.active {
        display: block;
    }

    .hero {
        min-height: 100vh;
        padding: 60px 15px 40px;
    }

    .hero-content {
        padding: 30px 10px;
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.3;
    }

    .hero p {
        font-size: 1rem;
        padding: 0 10px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        padding: 0 20px;
    }

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
        padding: 12px 25px;
    }

    .section-title {
        font-size: 1.8rem;
        padding: 0 15px;
    }

    .section-subtitle {
        font-size: 1rem;
        padding: 0 15px;
    }

    .features,
    .screenshots,
    .pricing,
    .download,
    .about {
        padding: 60px 0;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

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

    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 0 15px;
    }

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

    .pricing-card.featured {
        transform: none;
        order: -1;
    }

    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }

    .amount {
        font-size: 2.8rem;
    }

    .download-content {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 15px;
    }

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

    .download-guide {
        padding: 30px 20px;
    }

    .download-guide ol li {
        padding-left: 40px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 15px;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-item {
        padding: 20px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 15px;
    }

    .modal-content {
        max-width: 95%;
        max-height: 80vh;
    }

    .modal-close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 1.7rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .feature-card h3 {
        font-size: 1.2rem;
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    .pricing-card {
        padding: 25px 15px;
    }

    .amount {
        font-size: 2.5rem;
    }

    .btn-pricing {
        padding: 12px;
        font-size: 0.95rem;
    }

    .download-icon {
        font-size: 4rem;
    }

    .download-guide ol li {
        padding-left: 35px;
    }

    .download-guide ol li::before {
        width: 25px;
        height: 25px;
        font-size: 0.9rem;
        left: -12px;
    }
}