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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #87CEEB;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #87CEEB;
}

/* Hero section */
#hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?w=1920&h=1080&fit=crop') center/cover;
    filter: blur(5px);
    z-index: -1;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.cta-button {
    display: inline-block;
    background: #87CEEB;
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.cta-button:hover {
    background: #5DADE2;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(135, 206, 235, 0.4);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Features section */
#features {
    background: #f8f9fa;
}

#features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.feature-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    opacity: 0;
    animation: fadeInUp 1s ease-out both;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.feature-item img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.feature-item h3 {
    margin-bottom: 1rem;
    color: #87CEEB;
}

/* Gallery section */
#gallery h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #333;
}

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

.gallery-grid img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
    opacity: 0;
    animation: fadeInUp 1s ease-out both;
}

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

/* Downloads section */
#downloads {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

#downloads h2 {
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

#downloads p {
    margin-bottom: 3rem;
    font-size: 1.2rem;
}

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

.download-btn {
    display: inline-flex;
    align-items: center;
    background: white;
    color: #333;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.download-btn img {
    width: 30px;
    height: 30px;
    margin-right: 0.5rem;
}

/* Footer */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem;
}

footer ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin-top: 1rem;
}

footer li {
    margin: 0 1rem;
}

footer a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: #87CEEB;
}

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

/* Responsive design */
@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .download-buttons {
        flex-direction: row;
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    nav ul {
        margin: 0;
    }

    nav ul li {
        margin-left: 3rem;
    }
}