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

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #ECEFF1, #1E3A8A);
    color: #FFFFFF;
    overflow-x: hidden;
}

a {
    color: #FFA726;
    text-decoration: none;
    rel: nofollow;
}

a:hover {
    color: #FFB74D;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(30, 58, 138, 0.9);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 1rem 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
}

.navbar .nav-item {
    font-size: 1.1rem;
    cursor: pointer;
    transition: transform 0.3s, color 0.3s;
}

.navbar .nav-item:hover {
    color: #FFA726;
    transform: scale(1.1);
}

.sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    width: 200px;
    background-color: #263238;
    height: 100%;
    padding-top: 1rem;
    transition: transform 0.3s ease;
}

.sidebar.hidden {
    transform: translateX(-100%);
}

.sidebar .sidebar-item {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

.sidebar .sidebar-item:hover {
    background-color: #FFA726;
    color: #1E3A8A;
}

.main-content {
    margin-left: 200px;
    padding: 80px 2rem 2rem 2rem;
    transition: margin-left 0.3s ease;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 80px 1rem 1rem 1rem;
    }

    .navbar {
        flex-direction: row;
        justify-content: space-between;
    }

    .hamburger {
        display: block;
        cursor: pointer;
    }
}

.hamburger {
    display: none;
    width: 30px;
    height: 3px;
    background-color: #FFFFFF;
    position: relative;
    transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 3px;
    background-color: #FFFFFF;
    transition: all 0.3s ease;
}

.hamburger::before {
    transform: translateY(-10px);
}

.hamburger::after {
    transform: translateY(10px);
}

.hamburger.active {
    background-color: transparent;
}

.hamburger.active::before {
    transform: rotate(45deg);
}

.hamburger.active::after {
    transform: rotate(-45deg);
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
}

.card {
    background-color: #263238;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

.card img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    color: #FFA726;
}

.card p {
    font-size: 0.95rem;
    line-height: 1.5;
}

.footer {
    background-color: #1E3A8A;
    padding: 2rem 0;
    text-align: center;
    color: #FFFFFF;
}

.btn {
    background-color: #FFA726;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    color: #FFFFFF;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn:hover {
    background-color: #FB8C00;
    transform: scale(1.05);
}

.section {
    margin-bottom: 3rem;
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.section h2 {
    margin-bottom: 1rem;
    font-size: 2rem;
    color: #FFA726;
}

.section p {
    font-size: 1rem;
    line-height: 1.6;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.tech-illustration {
    animation: rotate 20s linear infinite;
}

.icon {
    transition: transform 0.2s ease, color 0.2s ease;
}

.icon:hover {
    transform: scale(1.2);
    color: #FFA726;
}

@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
        padding: 1rem;
    }
}