/* 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: #f8f9fa;
    min-height: 100vh;
}

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.logo {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    object-fit: cover;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 180px 0 120px;
    background: linear-gradient(135deg, #acbef0 0%, #64b8f0 100%);
    color: white;
    overflow: hidden;
    position: relative;
}

.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"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="80" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(45deg, #fff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.95);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(245, 87, 108, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(245, 87, 108, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}


/* Features Section */
.features {
    padding: 100px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #2d3748;
    position: relative;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #718096;
    margin-bottom: 3rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.2);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2d3748;
}

.feature-description {
    color: #718096;
    line-height: 1.7;
    font-size: 1rem;
}

/* Screenshots Carousel Section */
.screenshots {
    padding: 100px 0;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.carousel-container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    padding: 2rem 0;
}

.carousel-wrapper {
    overflow: hidden;
    border-radius: 20px;
    position: relative;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    will-change: transform;
}

.screenshot-slide {
    min-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.screenshot-img {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.screenshot-slide.active .screenshot-img {
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0.5;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.screenshot-img:hover {
    transform: scale(1.05);
}


.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #667eea;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background: white;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn-prev {
    left: -25px;
}

.carousel-btn-next {
    right: -25px;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #cbd5e0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    width: 32px;
    border-radius: 6px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.indicator:hover {
    background: #a0aec0;
}

/* Why Choose Section */
.why-choose {
    padding: 100px 0;
    background: white;
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.why-card {
    text-align: center;
    padding: 2rem;
    transition: transform 0.3s ease;
}

.why-card:hover {
    transform: translateY(-10px);
}

.why-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

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

.why-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2d3748;
}

.why-card p {
    color: #718096;
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.download::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.download-content {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.download-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.download-description {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.7;
}

.btn-download {
    background: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
    box-shadow: 0 8px 30px rgba(245, 87, 108, 0.4);
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(245, 87, 108, 0.5);
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo {
    width: 35px;
    height: 35px;
    border-radius: 8px;
}

.footer-brand-name {
    font-size: 1.35rem;
    font-weight: 600;
}

.footer-text {
    opacity: 0.8;
    font-size: 1rem;
    margin: 0.5rem 0;
}

.footer-copyright {
    opacity: 0.6;
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-title {
        font-size: 2.75rem;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero {
        padding: 140px 0 100px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .carousel-btn-prev {
        left: -15px;
    }
    
    .carousel-btn-next {
        right: -15px;
    }
    
    .download-title {
        font-size: 2.25rem;
    }
    
    .download-description {
        font-size: 1.15rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.85rem;
    }
    
    .section-title {
        font-size: 1.85rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .screenshot-img {
        max-width: 250px;
    }
}

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

/* Loading Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.why-card {
    animation: fadeInUp 0.6s ease-out;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }
.feature-card:nth-child(7) { animation-delay: 0.7s; }
.feature-card:nth-child(8) { animation-delay: 0.8s; }
.feature-card:nth-child(9) { animation-delay: 0.9s; }