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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.brand-link {
    font-size: 1.5rem;
    font-weight: 700;
    color: #007bff;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #007bff;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.app-icon {
    margin-bottom: 2rem;
}

.app-icon img {
    width: 120px;
    height: 120px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.2;
}

.app-details {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.detail-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.detail-value {
    font-size: 1.1rem;
    font-weight: 600;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    min-width: 200px;
    text-align: center;
}

.btn-primary {
    background: #28a745;
    color: white;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.4);
}

.btn-primary:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.6);
}

.btn-secondary {
    background: #17a2b8;
    color: white;
    box-shadow: 0 4px 15px rgba(23, 162, 184, 0.4);
}

.btn-secondary:hover {
    background: #138496;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(23, 162, 184, 0.6);
}

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

.btn-outline:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
}

.update-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    font-size: 0.9rem;
    max-width: fit-content;
    margin: 0 auto;
}

.update-icon {
    font-size: 1.2rem;
}

/* Description Section */
.description {
    background: white;
    padding: 4rem 0;
}

.description-content {
    max-width: 800px;
    margin: 0 auto;
}

.banner-image {
    text-align: center;
    margin-bottom: 3rem;
}

.banner-image img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.description-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.description-text h3 {
    color: #333;
    font-size: 1.5rem;
    margin: 2rem 0 1rem 0;
    font-weight: 600;
}

/* Social Share Section */
.social-share {
    background: #f8f9fa;
    padding: 2rem 0;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.share-btn {
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.share-btn.facebook {
    background: #1877f2;
    color: white;
}

.share-btn.twitter {
    background: #1da1f2;
    color: white;
}

.share-btn.telegram {
    background: #0088cc;
    color: white;
}

.share-btn.whatsapp {
    background: #25d366;
    color: white;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Rating Section */
.rating {
    background: white;
    padding: 2rem 0;
    border-top: 1px solid #eee;
}

.rating-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.rating-score {
    font-size: 2rem;
    font-weight: 700;
    color: #ffc107;
}

.rating-stars {
    display: flex;
    gap: 0.2rem;
}

.star {
    font-size: 1.5rem;
    color: #ddd;
}

.star.active {
    color: #ffc107;
}

.rating-count {
    color: #666;
    font-size: 0.9rem;
}

/* Screenshots Section */
.screenshots {
    background: #f8f9fa;
    padding: 4rem 0;
}

.screenshots h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    color: #333;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.screenshot-item {
    cursor: pointer;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.screenshot-item:hover {
    transform: translateY(-5px);
}

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

/* Downloads Section */
.downloads {
    background: white;
    padding: 4rem 0;
}

.downloads h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    color: #333;
}

.download-options {
    max-width: 800px;
    margin: 0 auto;
}

.download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 15px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.download-info h3 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.download-size {
    color: #666;
    font-size: 0.9rem;
}

.btn-download {
    background: #007bff;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: auto;
}

.btn-download:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

/* Comments Section */
.comments {
    background: #f8f9fa;
    padding: 4rem 0;
}

.comments h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    color: #333;
}

.comment-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
}

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

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.form-checkbox input[type="checkbox"] {
    width: auto;
}

.form-checkbox label {
    font-size: 0.9rem;
    color: #666;
}

.error-message {
    color: #dc3545;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    display: none;
}

.error-message.show {
    display: block;
}

.btn-submit {
    background: #28a745;
    color: white;
    padding: 1rem 2rem;
    border-radius: 25px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: #218838;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 3rem 0 1rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.additional-info h3 {
    margin-bottom: 1rem;
    color: #fff;
}

.additional-info ul {
    list-style: none;
}

.additional-info li {
    margin-bottom: 0.5rem;
    color: #ccc;
}

.footer-note p {
    margin-bottom: 1rem;
    color: #ccc;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
}

.footer-logo h4 {
    color: #007bff;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-logo p {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-section h5 {
    margin-bottom: 1rem;
    color: #fff;
    font-size: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #007bff;
}

.footer-legal {
    text-align: right;
}

.footer-legal p {
    color: #ccc;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.legal-links {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.legal-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.3s ease;
}

.legal-links a:hover {
    color: #007bff;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
}

.lightbox-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 800px;
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
}

.lightbox-close {
    position: absolute;
    top: 10px;
    right: 25px;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
}

.lightbox-close:hover {
    color: #ccc;
}

#lightboxImage {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 10px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .app-details {
        gap: 1rem;
    }

    .button-group {
        width: 100%;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .share-buttons {
        flex-direction: column;
        align-items: center;
    }

    .share-btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .rating-content {
        flex-direction: column;
        text-align: center;
    }

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

    .download-item {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .hero {
        padding: 2rem 0;
    }

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

    .app-icon img {
        width: 80px;
        height: 80px;
    }

    .detail-item {
        padding: 0.8rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}