:root {
    --primary-color: #FF6B8B;
    --secondary-color: #FFD166;
    --accent-color: #06D6A0;
    --dark-color: #2A2D34;
    --light-color: #F7F9FC;
    --gray-color: #6C757D;
    --white-color: #FFFFFF;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar Styles */
.navbar {
    background-color: var(--white-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
}

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

@media (max-width: 768px) {
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: white;
        padding: 20px;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
        z-index: 99;
    }
}

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

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

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section Styles */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #FFF0F3 0%, #FFE6F0 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 107, 139, 0.3);
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    max-height: 800px;
    min-height: 800px;
}

/* Categories Section Styles */
.categories {
    padding: 80px 0;
}

.categories h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.filter-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    background-color: var(--white-color);
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 5px 15px rgba(255, 107, 139, 0.3);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.category-card {
    background-color: var(--white-color);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.category-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.category-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.category-card h3 {
    padding: 20px 20px 10px;
    font-size: 1.5rem;
    color: var(--dark-color);
}

.category-card p {
    padding: 0 20px 20px;
    color: var(--gray-color);
}

/* App Screenshots Styles */
.app-screenshots {
    padding: 80px 0;
    background-color: var(--light-color);
}

.app-screenshots h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--dark-color);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.screenshots-grid img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

/* About Section Styles */
.about {
    padding: 80px 0;
}

.about .container {
    max-width: 800px;
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--dark-color);
}

.about p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray-color);
    margin-bottom: 40px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.feature {
    padding: 20px;
}

.feature i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

/* Download Section Styles */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, #FFF0F3 0%, #FFE6F0 100%);
    text-align: center;
}

.download h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.download p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--gray-color);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.app-store, .google-play {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--dark-color);
}

.app-store i, .google-play i {
    font-size: 1.5rem;
}

.button-text {
    text-align: left;
}

.button-text div:first-child {
    font-size: 0.8rem;
}

.button-text div:last-child {
    font-size: 1.2rem;
    font-weight: bold;
}

.qrcode img {
    max-width: 150px;
    height: auto;
    border: 5px solid white;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.qrcode p {
    margin-top: 10px;
    font-weight: 500;
}

/* Footer Styles */
.footer {
    background-color: 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-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo img {
    height: 40px;
}

.footer-logo h3 {
    font-size: 1.5rem;
    color: white;
}

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

.footer-links ul, .footer-contact ul {
    list-style: none;
}

.footer-links li, .footer-contact li {
    margin-bottom: 10px;
}

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

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

.social-media {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-media a {
    color: white;
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-media a:hover {
    color: var(--primary-color);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #aaa;
}

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-to-top.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Download Modal Styles */
.download-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    width: 90%;
    overflow: hidden;
    animation: slideIn 0.3s ease;
}

.modal-header {
    padding: 20px;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
}

.modal-close {
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 5px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.modal-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: 30px 20px;
    text-align: center;
}

.modal-body p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark-color);
}

.modal-footer {
    padding: 20px;
    display: flex;
    justify-content: center;
    gap: 15px;
    background-color: var(--light-color);
}

.modal-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    min-width: 80px;
}

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

.modal-btn:first-child:hover {
    background-color: #e55a7a;
    transform: translateY(-2px);
}

.modal-btn:last-child {
    background-color: var(--gray-color);
    color: white;
}

.modal-btn:last-child:hover {
    background-color: #5a6268;
    transform: translateY(-2px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-50px) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
    }
    .hero-content, .hero-image {
        flex: none;
        width: 100%;
    }
    .hero-content h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hamburger {
        display: block;
    }
    .categories h2, .app-screenshots h2, .about h2, .download h2 {
        font-size: 2rem;
    }
    .hero-content h2 {
        font-size: 2rem;
    }
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 576px) {
    .logo h1 {
        font-size: 1.5rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    .category-card {
        min-width: 100%;
    }
}