/* Custom CSS for Smart Apps Publishing Global */

:root {
    --primary-color: #4285f4;
    --secondary-color: #34a853;
    --accent-color: #ea4335;
    --warning-color: #fbbc04;
    --dark-color: #1a1a1a;
    --light-color: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3367d6;
}

/* Typography */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #6c757d;
    margin-bottom: 2rem;
}

/* Navigation */
.navbar {
    background: rgba(26, 26, 26, 0.95) !important;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    color: white !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: var(--transition);
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--primary-color);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 100%;
    left: 0;
}

/* App Section */
.app-section {
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.app-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,1000 1000,0 1000,1000"/></svg>') no-repeat;
    background-size: cover;
}

.app-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.app-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.app-buttons .btn {
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.app-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.app-stats {
    margin-top: 3rem;
}

.stat-item h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-item p {
    opacity: 0.8;
    margin-bottom: 0;
}

.phone-mockup {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(var(--shadow-lg));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Features Section */
.features-section {
    background: var(--light-color);
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    height: 100%;
    transition: var(--transition);
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

/* Apps Section */
.apps-section {
    background: white;
}

.app-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid #e9ecef;
    transition: var(--transition);
    height: 100%;
}

.app-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

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

.app-info h4 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.app-category {
    color: #6c757d;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.app-category i {
    font-size: 1rem;
}

.app-stats {
    display: flex;
    gap: 1.5rem;
    margin: 1rem 0;
}

.app-stats span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.9rem;
    color: #6c757d;
}

.rating i {
    color: #ffc107;
}

.app-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.app-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 8px;
}

/* About Section */
.about-section {
    background: var(--light-color);
}

.about-stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.about-stat p {
    color: #6c757d;
    margin-bottom: 0;
}

/* Contact Section */
.contact-section {
    background: white;
}

.contact-form {
    background: var(--light-color);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(66, 133, 244, 0.25);
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
}

.footer-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: #adb5bd;
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.footer-divider {
    border-color: #495057;
    margin: 2rem 0 1rem;
}

.footer-copyright {
    color: #adb5bd;
    margin-bottom: 0;
}

/* App Detail Page Styles */
.app-detail-app {
    background: var(--gradient-primary);
    color: white;
    padding: 8rem 0 4rem;
}

.app-detail-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.app-detail-icon {
    width: 120px;
    height: 120px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.app-detail-info h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.app-detail-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.app-badges {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.badge-rating {
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.screenshots-section {
    padding: 4rem 0;
    background: var(--light-color);
}

.screenshot-carousel {
    position: relative;
}

.screenshot-item {
    text-align: center;
    padding: 0 1rem;
}

.screenshot-item img {
    width: 250px;
    height: 450px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.features-list {
    padding: 4rem 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.2rem;
}

.download-section {
    background: var(--gradient-primary);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .app-card {
        flex-direction: column;
        text-align: center;
    }
    
    .app-detail-header {
        flex-direction: column;
        text-align: center;
    }
    
    .app-detail-meta {
        justify-content: center;
    }
    
    .app-badges {
        justify-content: center;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

/* Loading Animation */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}