/* Reset podstawowy i ustawienia globalne */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1090px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Nagłówki */
h1, h2, h3 {
    font-weight: 600;
    color: #1a3b5d;
}

h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
    padding-bottom: 0.8rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: #00a651;
    border-radius: 2px;
}

/* Kontrastowe bloki */
.section {
    padding: 60px 0;
}

.section:nth-child(even) {
    background-color: #ffffff;
}

.section:nth-child(odd) {
    background-color: #eef2f7;
}

/* Blok 1 - Oferta (hero) */
#oferta {
    min-height: 470px;
    background: linear-gradient(135deg, #003366, #00509e);
    color: #ffffff;
    display: flex;
    align-items: center;
    text-align: center;
}

#oferta h1 {
    color: #ffffff;
    font-size: 3.2rem;
}

#oferta p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 2rem;
}

/* Przyciski ogólne */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    color: #ffffff;
    background-color: #00a651;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s;
}

.btn:hover {
    background-color: #008c45;
    transform: translateY(-2px);
}

/* Link-przycisk w pierwszym bloku */
#oferta .btn {
    background-color: #00c66b;
    box-shadow: 0 6px 12px rgba(0, 198, 107, 0.3);
}

#oferta .btn:hover {
    background-color: #00a651;
}

/* Formularze */
form {
    max-width: 500px;
    margin: 0 auto;
    background: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #1a3b5d;
}

form input[type="email"],
form input[type="text"],
form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ccd7e0;
    border-radius: 6px;
    font-size: 1rem;
    margin-bottom: 20px;
    transition: border-color 0.3s;
}

form input:focus,
form textarea:focus {
    outline: none;
    border-color: #00a651;
    box-shadow: 0 0 0 3px rgba(0, 166, 81, 0.15);
}

form button {
    width: 100%;
    padding: 14px;
    background-color: #00509e;
}

form button:hover {
    background-color: #003366;
}

/* Lista produktów */
.products-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto 40px;
}

.products-list li {
    background: #ffffff;
    padding: 20px;
    margin-bottom: 15px;
    border-left: 5px solid #00a651;
    border-radius: 6px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    font-size: 1.1rem;
}

/* Artykuł - wyróżnienie */
article {
    max-width: 900px;
    margin: 40px auto;
    background: #ffffff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    line-height: 1.8;
}

article ol {
    padding-left: 30px;
    margin: 20px 0;
}

article li {
    margin-bottom: 15px;
}

/* Siatka ekspertów i opinii */
.experts-grid,
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.expert,
.review {
    background: #ffffff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.06);
    text-align: center;
}

.expert h3,
.review strong {
    color: #00509e;
    margin-top: 15px;
    font-size: 1.2rem;
}

/* Mapa */
iframe {
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
}

/* Stopka */
.footer {
    background-color: #1a3b5d;
    color: #ffffff;
    text-align: center;
    padding: 30px 0;
    margin-top: 40px;
}

.footer p {
    font-size: 0.95rem;
}

/* Responsywność - mobilna wersja */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    h1 {
        font-size: 2.4rem;
    }

    #oferta {
        min-height: 420px;
        padding: 80px 0;
    }

    #oferta h1 {
        font-size: 2.6rem;
    }

    #oferta p {
        font-size: 1.1rem;
        padding: 0 10px;
    }

    h2 {
        font-size: 1.8rem;
    }

    .section {
        padding: 40px 0;
    }

    form {
        padding: 20px;
    }

    article {
        padding: 25px;
        margin: 20px auto;
    }

    .experts-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.1rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 1rem;
    }
}