@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');
:root {
    --primary-color: #E0F7FA;
    --secondary-color: #0D47A1;
    --accent-color: #FFC107;
    --success-color: #66BB6A;
    --bg-light: #FFFFFF;
    --text-dark: #333333;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, var(--primary-color), #B3E5FC);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}
header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}
.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
    text-transform: uppercase;
}
.nav-links {
    display: flex;
    gap: 1.5rem;
}
.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: bold;
    transition: color 0.3s ease;
}
.nav-links a:hover {
    color: var(--accent-color);
}
main {
    padding-top: 6rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
}
.glass-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}
.glass-card:hover {
    transform: translateY(-5px);
}
h2, h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}
p {
    margin-bottom: 1rem;
}
button {
    background: var(--accent-color);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
}
button:hover {
    background: #FFA000;
}
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}
.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.image-grid img:hover {
    transform: scale(1.05);
}
@media (max-width: 768px) {
    header {
        padding: 1rem;
    }
    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
    }
    main {
        grid-template-columns: 1fr;
        padding: 1rem;
    }
}
footer {
    background: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}
.dark-mode {
    background: #121212;
    color: #E0F7FA;
}
.dark-mode header {
    background: rgba(33, 33, 33, 0.9);
}
.dark-mode .glass-card {
    background: rgba(33, 33, 33, 0.8);
}