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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #fff;
    background: linear-gradient(135deg, #1B1B1A, #2C2C2B);
}

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

/* Navigation */
nav {
    position: sticky;
    top: 0;
    background: rgba(0, 0, 0, 0.8);
    padding: 0 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.nav-brand {
    display: flex;
    align-items: center;
}

.logo {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

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

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #ffcc00;
}

.nav-btn {
    padding: 10px 20px;
    background: #ffcc00;
    color: #1e3c72;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    transition: transform 0.3s;
}

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

.hamburger {
    display: none;
    font-size: 28px;
    color: #fff;
    cursor: pointer;
}

/* Hero Section */
.hero {
    /* padding: 100px 20px; */
    text-align: center;
    background: url('images/hero-bg.jpg') no-repeat center/cover;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: 3.5em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.5);
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    background: #ffcc00;
    color: #1e3c72;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Card Layout */
.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    margin: 20px 0;
    backdrop-filter: blur(5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    animation: slideIn 0.5s ease;
}

h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #ffcc00;
}

h3 {
    font-size: 1.8em;
    margin: 20px 0 10px;
    color: #fff;
}

.toc {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.toc ul {
    list-style: decimal;
    padding-left: 20px;
}

.toc a {
    color: #ffcc00;
    text-decoration: none;
}

.download-info {
    font-style: italic;
    color: #ddd;
    margin: 15px 0;
}

/* FAQ Section */
.faq details {
    margin-bottom: 15px;
}

.faq summary {
    cursor: pointer;
    font-weight: bold;
    color: #ffcc00;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 5px;
}

.faq p {
    padding: 10px;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.9);
    padding: 30px;
    text-align: center;
}

footer a {
    color: #ffcc00;
    text-decoration: none;
    margin: 0 10px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    nav .container {
        flex-wrap: wrap;
    }

    .nav-brand {
        flex: 1;
    }

    nav ul {
        display: none;
        flex-direction: column;
        width: 100%;
        background: rgba(0, 0, 0, 0.9);
        position: absolute;
        top: 5rem;
        left: 0;
    }

    nav ul.active {
        display: flex;
    }

    nav ul li {
        margin: 10px 0;
        text-align: center;
    }

    .nav-btn {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .hero h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.8em;
    }

    .btn {
        padding: 12px 20px;
    }
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    transition: opacity 0.5s;
}

.ctm-img {
    max-width: 72%;
}

.ctm-btn {
    padding: 12px 60px;
}