/* Premium APK Store Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Palette - Vibrant & Premium */
    --primary-gradient: linear-gradient(135deg, #00F260 0%, #0575E6 100%);
    --accent-gradient: linear-gradient(135deg, #8E2DE2 0%, #4A00E0 100%);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    
    /* Light Theme */
    --bg-light: #f8fafc;
    --card-bg-light: rgba(255, 255, 255, 0.8);
    --text-light: #0f172a;
    --text-secondary-light: #475569;
    --border-light: rgba(226, 232, 240, 0.8);
    --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.05);

    /* Dark Theme */
    --bg-dark: #020617;
    --card-bg-dark: rgba(30, 41, 59, 0.7);
    --text-dark: #f1f5f9;
    --text-secondary-dark: #94a3b8;
    --border-dark: rgba(255, 255, 255, 0.05);
    --shadow-dark: 0 10px 40px rgba(0, 0, 0, 0.3);

    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-lg: 20px;
    --radius-md: 14px;
}

[data-theme='light'] {
    --bg: var(--bg-light);
    --card-bg: var(--card-bg-light);
    --text: var(--text-light);
    --text-secondary: var(--text-secondary-light);
    --border: var(--border-light);
    --box-shadow: var(--shadow-light);
    --glass-effect: blur(12px);
}

[data-theme='dark'] {
    --bg: var(--bg-dark);
    --card-bg: var(--card-bg-dark);
    --text: var(--text-dark);
    --text-secondary: var(--text-secondary-dark);
    --border: var(--border-dark);
    --box-shadow: var(--shadow-dark);
    --glass-effect: blur(20px);
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    transition: background-color 0.5s ease;
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 242, 96, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(5, 117, 230, 0.05) 0%, transparent 40%);
    background-attachment: fixed;
}

h1, h2, h3, h4, .site-name-desktop {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Navbar - Floating Glassmorphism */
.navbar {
    position: sticky;
    top: 15px;
    margin: 0 5%;
    background: var(--card-bg);
    backdrop-filter: var(--glass-effect);
    -webkit-backdrop-filter: var(--glass-effect);
    padding: 0.8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-radius: 50px;
    border: 1px solid var(--border);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition);
    border-radius: 2px;
}

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

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.search-container {
    position: relative;
}

.search-input {
    padding: 0.6rem 1.2rem;
    padding-right: 2.5rem;
    border-radius: 25px;
    border: 1px solid var(--border);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text);
    outline: none;
    transition: var(--transition);
    width: 200px;
}

.search-input:focus {
    width: 280px;
    border-color: #00F260;
    background-color: var(--card-bg);
    box-shadow: 0 0 20px rgba(0, 242, 96, 0.1);
}

.search-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--border);
    border: none;
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: rotate(30deg) scale(1.1);
    background: var(--primary-gradient);
    color: white;
}

/* Container */
.container {
    max-width: 1300px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero-banner {
    width: 100%;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 3rem;
    box-shadow: var(--box-shadow);
    aspect-ratio: 21/9;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 10s linear;
}

.hero-banner:hover .hero-img {
    transform: scale(1.1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 8%;
    color: white;
}

.hero-overlay h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Category Pills */
.category-pills {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 1rem 0;
    margin-bottom: 2rem;
    scrollbar-width: none;
}

.category-pill {
    padding: 0.7rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 30px;
    white-space: nowrap;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    backdrop-filter: var(--glass-effect);
}

.category-pill:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 242, 96, 0.2);
    border-color: transparent;
}

/* App Grid & Cards */
.app-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.app-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-effect);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: var(--transition);
    transform-origin: left;
}

.app-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
    border-color: rgba(5, 117, 230, 0.2);
}

.app-card:hover::before {
    transform: scaleX(1);
}

.app-logo {
    width: 100px;
    height: 100px;
    border-radius: 24px;
    object-fit: cover;
    margin-bottom: 1.2rem;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.app-card:hover .app-logo {
    transform: scale(1.05) rotate(5deg);
}

.app-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
    color: var(--text);
    text-align: center;
}

.app-category {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
}

.app-info {
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Sections */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2rem;
    position: relative;
    padding-left: 1rem;
}

.section-header h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 15%;
    height: 70%;
    width: 5px;
    background: var(--primary-gradient);
    border-radius: 5px;
}

.view-all {
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    background: rgba(5, 117, 230, 0.1);
    color: #0575E6;
    font-weight: 700;
    font-size: 0.85rem;
}

.view-all:hover {
    background: var(--primary-gradient);
    color: white;
}

/* Footer */
footer {
    background: var(--card-bg);
    backdrop-filter: var(--glass-effect);
    padding: 4rem 5% 2rem;
    margin-top: 5rem;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.footer-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-links-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

.footer-links-col ul li {
    margin-bottom: 0.8rem;
}

.footer-links-col a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-links-col a:hover {
    color: var(--text);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1.2rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text);
}

.social-links a:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    font-weight: 600;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Mobile Adjustments */
@media (max-width: 992px) {
    .navbar { margin: 0 2%; padding: 0.8rem 1.5rem; }
    .hero-overlay h1 { font-size: 2.5rem; }
}

@media (max-width: 768px) {
    .navbar { border-radius: 25px; top: 10px; }
    .nav-links { display: none; }
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--card-bg);
        padding: 2rem;
        border-radius: 20px;
        box-shadow: var(--box-shadow);
    }
    .hero-banner { aspect-ratio: 16/9; }
    .hero-overlay h1 { font-size: 1.8rem; }
    .footer-content { grid-template-columns: 1fr; gap: 2rem; }
    .app-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}

/* Detail Page - Enhanced */
.detail-container {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 2rem;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-effect);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 2rem;
}

.btn-premium {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 1rem 2.5rem;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 10px 20px rgba(0, 242, 96, 0.3);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-premium:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 242, 96, 0.4);
}

/* Back to Top */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    z-index: 999;
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}