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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: #f0f8ff;
    color: #333;
    overflow-x: hidden;
}

/* Navigation bar styles */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 50px;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    -webkit-backdrop-filter: blur(20px);
}

.logo-container {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo {
    width: 60px;
    height: 60px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: #4a6fa5;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 8px 16px;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    background: rgba(74, 111, 165, 0.2);
    color: #2c3e50;
}

/* Section styles */
section {
    min-height: 100vh;
    width: 100%;
    padding: 80px 20px 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Hero section styles */
.hero {
    background: #f0f8ff;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 20%, rgba(224, 247, 250, 0.7) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(187, 222, 251, 0.7) 0%, transparent 20%);
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 50px;
    padding: 0 50px;
    position: relative;
    z-index: 2;
}

.hero-text {
    flex: 1;
    padding: 30px 0;
}

.hero-text h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #4a6fa5, #2c3e50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.tagline {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: #2c3e50;
    font-weight: 300;
}

.description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #4a4a6a;
    line-height: 1.7;
    max-width: 600px;
}

.cta-group {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(90deg, #4a6fa5, #2c3e50);
    color: #fff;
    font-size: 1.2rem;
    font-weight: bold;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(74, 111, 165, 0.3);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(74, 111, 165, 0.5);
}

.github-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.9);
    color: #2c3e50;
    font-size: 1.2rem;
    font-weight: bold;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.github-btn:hover {
    background: #fff;
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.github-stats {
    display: flex;
    gap: 10px;
}

.github-stats img {
    height: 20px;
}

/* Carousel styles */
.carousel {
    flex: 1.5;
    min-width: 300px;
    max-width: 750px;
    position: relative;
    overflow: hidden;
    border-radius: 25px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
}

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
    height: 450px;
}

.carousel-item {
    min-width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
}

.carousel-image {
    flex: 1;
    width: 100%;
    object-fit: contain;
    background: #fff;
}

.carousel-caption {
    position: relative;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px;
    text-align: center;
    width: 100%;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.carousel-caption h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #4a6fa5;
}

.carousel-caption p {
    font-size: 1.1rem;
    color: #4a4a6a;
    margin: 0;
    line-height: 1.5;
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #4a6fa5;
    border: none;
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 10;
    opacity: 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.carousel:hover .carousel-control {
    opacity: 1;
}

.carousel-control:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.carousel-control.prev {
    left: 20px;
}

.carousel-control.next {
    right: 20px;
}

.carousel-indicators {
    display: none;
}

/* Scroll down arrow */
.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.scroll-down span {
    display: block;
    width: 10px;
    height: 10px;
    border-right: 2px solid #4a6fa5;
    border-bottom: 2px solid #4a6fa5;
    transform: rotate(45deg);
    animation: scrollDown 1.5s infinite;
}

.scroll-down span:nth-child(2) {
    animation-delay: 0.2s;
}

.scroll-down span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes scrollDown {
    0% {
        opacity: 0;
        transform: rotate(45deg) translate(-10px, -10px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: rotate(45deg) translate(10px, 10px);
    }
}

/* Features section styles */
.features {
    background: linear-gradient(135deg, #bbdefb, #e0f7fa);
    padding: 100px 20px 100px;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 70px;
    background: linear-gradient(90deg, #2c3e50, #4a6fa5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #2c3e50, #4a6fa5);
    margin: 15px auto 0;
    border-radius: 2px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1300px;
    margin: 0 auto;
}

.feature-card {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 25px;
    padding: 40px 30px;
    text-align: center;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(74, 111, 165, 0.3);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #4a6fa5, #2c3e50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-card h3 {
    font-size: 1.7rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.feature-card p {
    font-size: 1.1rem;
    color: #4a4a6a;
    line-height: 1.7;
}

/* Technology section styles */
.tech {
    background: linear-gradient(135deg, #e0f7fa, #f0f8ff);
    padding: 100px 20px 100px;
}

.tech-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1300px;
    margin: 0 auto;
}

.tech-item {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 25px;
    padding: 40px 30px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.tech-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(74, 111, 165, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.tech-item h3 {
    font-size: 1.7rem;
    margin-bottom: 20px;
    color: #4a6fa5;
}

.tech-item p {
    font-size: 1.1rem;
    color: #4a4a6a;
    line-height: 1.7;
}

/* Footer styles */
footer {
    background: rgba(255, 255, 255, 0.8);
    padding: 60px 20px 40px;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #4a6fa5;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 1.1rem;
    padding: 8px 16px;
    border-radius: 30px;
}

.footer-links a:hover {
    color: #2c3e50;
    background: rgba(74, 111, 165, 0.2);
}

.copyright {
    color: #707090;
    font-size: 1rem;
}

/* Responsive design */
@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
        padding: 0 30px;
    }
    
    .hero-text {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-text h1 {
        font-size: 3.5rem;
    }
    
    .tagline {
        font-size: 1.6rem;
    }
    
    .carousel {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 0 20px;
        height: 70px;
    }
    
    .nav-links {
        gap: 15px;
    }
    
    .nav-links a {
        font-size: 1rem;
        padding: 6px 12px;
    }
    
    section {
        padding: 70px 15px 80px;
    }
    
    .hero-text h1 {
        font-size: 2.8rem;
    }
    
    .tagline {
        font-size: 1.4rem;
    }
    
    .description {
        font-size: 1.1rem;
    }
    
    .cta-group {
        flex-direction: column;
        align-items: center;
    }
    
    .download-btn,
    .github-btn {
        font-size: 1.1rem;
        padding: 12px 30px;
        width: 100%;
        max-width: 250px;
    }
    
    .github-stats {
        justify-content: center;
        width: 100%;
    }
    
    .carousel-inner {
        height: 350px;
    }
    
    .carousel-control {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        opacity: 1;
    }
    
    .carousel-control.prev {
        left: 15px;
    }
    
    .carousel-control.next {
        right: 15px;
    }
    
    .section-title {
        font-size: 2.3rem;
        margin-bottom: 50px;
    }
    
    .feature-grid,
    .tech-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-card,
    .tech-item {
        padding: 30px 20px;
    }
    
    .feature-icon {
        font-size: 3rem;
    }
    
    .feature-card h3,
    .tech-item h3 {
        font-size: 1.5rem;
    }
    
    .footer-links {
        gap: 20px;
    }
    
    footer {
        padding: 40px 15px 30px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2.3rem;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .description {
        font-size: 1rem;
    }
    
    .download-btn,
    .github-btn {
        font-size: 1rem;
        padding: 10px 25px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .feature-card,
    .tech-item {
        padding: 25px 15px;
    }
}