/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-accent: #f1f5f9;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo .logo-image {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Microsoft Store-like badge */
.store-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.1rem;
    background: #111213;
    color: #ffffff;
    border-radius: 10px;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.12);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.35);
}

.store-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.45);
    background: #17191a;
}

.store-logo {
    width: 46px;
    height: 46px;
    flex-shrink: 0;
}

.ms-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.ms-get {
    font-size: 0.8rem;
    opacity: 0.9;
}

.ms-store {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.2px;
}

/* Buttons */
.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Screenshots Carousel */
.screenshots-carousel {
    position: relative;
    width: 100%;
    margin: 0 auto;
}

.carousel-container {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 450px;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 0;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--primary-color);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.carousel-btn:hover {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-lg);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
    left: 15px;
}

.carousel-btn.next {
    right: 15px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--bg-primary);
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.dot.active,
.dot:hover {
    background: var(--primary-color);
    border-color: var(--primary-dark);
    transform: scale(1.3);
}

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

.section-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

@media (min-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* License Section */
.license-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-accent);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.license-content p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.license-content ul {
    list-style: none;
    padding: 0;
}

.license-content li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.license-content li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.license-content li:last-child {
    border-bottom: none;
}

/* Contact Section */
.contact-section {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.contact-icon {
    font-size: 1.25rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Checkbox styling */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 0;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: underline;
}

.checkbox-label a:hover {
    text-decoration: none;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .screenshots-carousel {
        max-width: 100%;
    }
    
    .carousel-slides {
        height: 350px;
    }
    
    .carousel-slide img {
        max-height: 300px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .carousel-slides {
        height: 280px;
    }
    
    .carousel-slide img {
        max-height: 230px;
    }
    
    .carousel-btn {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.625rem 1.5rem;
        font-size: 0.9rem;
    }
}