/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

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

/* Header */
header {
    background: linear-gradient(90deg, #2c3e50, #3498db);
    color: #fff;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    max-width: 150px;
    height: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-menu li a {
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a.active,
.nav-menu a:hover {
    color: #f1c40f;
}

.auth-buttons {
    display: flex;
    justify-content: space-evenly;
    padding-bottom: 10px;
}

.auth-buttons .btn {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    transition: transform 0.2s ease, background-color 0.3s ease;
}

.login-btn {
    background: #e74c3c;
}

.signup-btn {
    background: #27ae60;
}

.auth-buttons .btn:hover {
    transform: scale(1.05);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #fff;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Banner */
.banner img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 400px;
    object-fit: cover;
}

/* Content */
.content {
    padding: 3rem 0;
}

.content h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
}

.content h2 {
    font-size: 2rem;
    color: #3498db;
    margin: 1.5rem 0 1rem;
}

.content h3 {
    font-size: 1.5rem;
    color: #e74c3c;
    margin: 1rem 0;
}

.content h4 {
    font-size: 1.25rem;
    color: #27ae60;
    margin: 1rem 0;
}

.content p {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: #555;
}

.content-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: 1.5rem auto;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.content ul,
.content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.content ul li,
.content ol li {
    margin-bottom: 0.5rem;
}

.content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.content table th,
.content table td {
    border: 1px solid #ddd;
    padding: 1rem;
    text-align: left;
}

.content table th {
    background: #3498db;
    color: #fff;
    font-weight: 600;
}

.content table td a.btn {
    background: #27ae60;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
}

.content table td a.btn:hover {
    background: #219653;
}

.content blockquote {
    border-left: 5px solid #3498db;
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    background: #f1f1f1;
    border-radius: 5px;
}

/* Footer */
footer {
    background: linear-gradient(90deg, #2c3e50, #3498db);
    color: #fff;
    padding: 3rem 0;
    text-align: center;
}

.footer-logo img {
    max-width: 150px;
    height: auto;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #f1c40f;
}

footer p {
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .content h1 {
        font-size: 2rem;
    }

    .content h2 {
        font-size: 1.75rem;
    }

    .nav-menu {
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: row;
        align-items: center;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #2c3e50;
        padding: 1rem 0;
        text-align: center;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        margin: 0.75rem 0;
    }

    .auth-buttons {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .content h1 {
        font-size: 1.75rem;
    }

    .content h2 {
        font-size: 1.5rem;
    }

    .content-image {
        max-width: 100%;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .content h1 {
        font-size: 1.5rem;
    }

    .content h2 {
        font-size: 1.25rem;
    }

    .content table th,
    .content table td {
        padding: 0.5rem;
        font-size: 0.9rem;
    }

    .banner img {
        max-height: 200px;
    }
}


.fixDownload {
    position: fixed;
    width: 100%;
    max-width: 500px;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
    z-index: 2;
    cursor: pointer;
}

.fixDownload .download {
    width: 100%;
    background: rgba(0, 0, 0, 0.48);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fixDownload .download a {
    animation: switch 1s ease-out infinite;
    display: inline-flex;
}

.fixDownload .download a img {
    width: 288px;
}