body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f6f8;
}

header {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 75px;
}

nav {
    background-color: #0055a5;
    padding: 12px;
    text-align: center;
}

nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

section {
    background: white;
    margin: 20px;
    padding: 75px;
    border-radius: 10px;
    text-align: center;
}

h2 {
    color: #003366;
}

button {
    padding: 10px 15px;
    background: #0055a5;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #003366;
}

/* O‘qituvchilar */
.teachers-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.teacher-card {
    width: 200px;
    background: #fff;
    text-align: center;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.teacher-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 8px;
}

.teacher-card h3 {
    margin: 10px 0 5px;
    color: #003366;
}

.teacher-card p {
    margin: 0;
    font-weight: bold;
    color: #555;
}
.section-title {
    text-align: center;
    font-size: 28px;
    color: #003366;
    margin-bottom: 30px;
}

/* Fanlar konteyneri */
.courses-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 25px;
}

/* Kurs kartochkasi */
.course-card {
    background: linear-gradient(135deg, #0055a5, #003366);
    color: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}

.course-card h3 {
    margin-top: 0;
    text-align: center;
    font-size: 22px;
    border-bottom: 2px solid rgba(255,255,255,0.4);
    padding-bottom: 10px;
}

.course-card ul {
    list-style: none;
    padding: 0;
    margin-top: 15px;
}

.course-card li {
    background: rgba(255,255,255,0.15);
    margin: 8px 0;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 14px;
}
.group {
    margin-top: 15px;
    background: rgba(255,255,255,0.15);
    padding: 12px;
    border-radius: 10px;
}

.group h4 {
    margin: 0 0 8px;
    font-size: 16px;
    color: #ffeb3b;
}

.group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.group li {
    font-size: 13px;
    padding: 6px 8px;
    margin: 5px 0;
    background: rgba(0,0,0,0.2);
    border-radius: 6px;
}
footer {
    background: #003366;
    color: white;
    text-align: center;
    padding: 15px;
}