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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Nagłówek */
.header {
    background: #2c3e50;
    color: #fff;
    padding: 20px 0;
}

.logo {
    font-family: 'Roboto Slab', serif;
    font-size: 24px;
    font-weight: bold;
}

.nav {
    display: flex;
    justify-content: flex-end;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-list a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-list a:hover {
    color: #f39c12;
}

/* Sekcja główna */
.hero {
    background: url('https://via.placeholder.com/1920x1080') no-repeat center center/cover;
    color: #fff;
    text-align: center;
    padding: 100px 20px;
}

.hero-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
}

.btn {
    background: #f39c12;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #e67e22;
}

/* Sekcje */
.section-title {
    font-size: 36px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 40px;
}

.section-text {
    text-align: center;
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
}

/* Kursy */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.course-card {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.course-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
}

.course-description {
    font-size: 16px;
    color: #555;
}

/* Opinie */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.testimonial-card {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.testimonial-text {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.testimonial-author {
    font-size: 16px;
    color: #777;
}

/* Kontakt */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}

.contact-form button {
    align-self: flex-end;
}

/* Stopka */
.footer {
    background: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

.footer-text {
    font-size: 14px;
}