/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

/* BODY BACKGROUND - UNIQUE PREMIUM GRADIENT */
body {
    background: linear-gradient(135deg, #2b0a3d, #4b0082, #1a0026);
    background-attachment: fixed;
    color: #ffffff;
    line-height: 1.6;
}

/* CONTAINER */
.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* HEADER */
.header {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    color: #ffd700;
    font-weight: bold;
}

.nav a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 20px;
    transition: 0.3s ease;
}

.nav a:hover {
    color: #ffd700;
}

/* HERO SECTION */
.hero {
    text-align: center;
    padding: 100px 20px;
}

.hero-logo {
    width: 200px;
    margin-bottom: 20px;
}

.hero h1 {
    color: #ffd700;
    font-size: 40px;
    margin-bottom: 10px;
}

.hero p {
    font-size: 18px;
    opacity: 0.9;
}

.hero button {
    margin-top: 25px;
    padding: 12px 30px;
    border: none;
    background: linear-gradient(45deg, #ffd700, #ffb347);
    color: #000;
    font-weight: bold;
    cursor: pointer;
    border-radius: 30px;
    transition: 0.3s;
}

.hero button:hover {
    transform: scale(1.05);
}

/* ABOUT */
.about {
    padding: 70px 0;
    text-align: center;
}

.about h2 {
    color: #ffd700;
    margin-bottom: 20px;
}

/* COURSES */
.courses {
    padding: 70px 0;
    text-align: center;
}

.course-box {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.card {
    flex: 1;
    padding: 25px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    border: 1px solid rgba(255, 215, 0, 0.5);
    backdrop-filter: blur(6px);
    transition: 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
}

.card h3 {
    color: #ffd700;
    margin-bottom: 10px;
}

/* CONTACT */
.contact {
    padding: 70px 0;
    text-align: center;
}

.contact h2 {
    color: #ffd700;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

input,
textarea {
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    outline: none;
}

input::placeholder,
textarea::placeholder {
    color: #ddd;
}

button {
    background: linear-gradient(45deg, #ffd700, #ffb347);
    color: #000;
    padding: 12px;
    border: none;
    border-radius: 25px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.05);
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    background: rgba(0, 0, 0, 0.4);
}

/* MOBILE MENU */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    height: 3px;
    width: 25px;
    background: #fff;
    margin: 4px 0;
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {

    .nav {
        display: none;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.9);
        position: absolute;
        top: 60px;
        right: 0;
        width: 200px;
        padding: 15px;
        border-radius: 8px;
    }

    .nav a {
        margin: 10px 0;
    }

    .nav.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .course-box {
        flex-direction: column;
    }

    .hero h1 {
        font-size: 28px;
    }
}