* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: Rubik, sans-serif;
    font-size: 16px;
    font-weight: 400;
}

html {
    scroll-padding-top: 80px;
}

h1 {
    text-align: center;
    font-size: 40px;
    margin: 0;
    padding: 0 0 25px 0;
    font-weight: 400;
}

header {
    background: #fff;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    border-bottom: 2px solid #537a05;
    z-index: 1000;
    align-items: center;
}

a {
    color: #537a05;
}

a img {
    border: none;
    text-decoration: none;
}

header img {
    width: 200px;
}

header nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: -3px 0 0 0;
    padding: 0;
    align-items: center;
}

header nav ul li a {
    text-decoration: none;
    color: #000;
    text-transform: uppercase;
}

header nav ul li ul {
    margin: 0;
    padding: 3px 0 0 0;
    gap: 15px;
}

header nav ul li a img {
    width: 16px;
    height: 16px;
}

.banner {
    width: 100%;
    height: 100vh;
    background: url('banner-dark.jpg') no-repeat center center;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
}

.success {
    background: #537a05;
    color: #fff;
    padding: 20px;
    text-align: center;
    margin-bottom: 15px;
    border-radius: 5px;
}

.banner h1 {
    text-align: center;
    color: #fff;
    font-size: 70px;
    letter-spacing: 5px;
    font-weight: 400;
}

#o-nas, .text-section {
    padding: 50px;
}

#o-nas p, #o-nas blockquote, .text-section p, .text-section ul {
    max-width: 1200px;
    text-align: justify;
    margin: 0 auto;
    line-height: 1.5;
}

.text-section p {
    padding-bottom: 30px;
}

.text-section ul {
    list-style: square;
}

.text-section ul li {
    padding-bottom: 10px;
}

#o-nas blockquote {
    font-style: italic;
    padding-top: 50px;
    padding-left: 25px;
    padding-right: 25px;
    position: relative;
    text-indent: 30px;
    box-sizing: border-box;
}

#o-nas .right {
    text-align: right;
    padding-top: 15px;
    padding-left: 25px;
    padding-right: 25px;
}

#oferta {
    padding: 50px;
}

#oferta ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

#oferta ul li img {
    width: 100%;
    max-width: 600px;
    display: block;
    margin-bottom: 15px;
}

#oferta ul li a {
    display: block;
    text-align: center;
    color: #000;
}

.campaign {
    text-align: center;
    background: #eee;
    padding: 50px;
}

.campaign img {
    max-width: 100%;
}

#kontakt {
    background: #eee;
    padding: 50px;
    display: flex;
    gap: 100px;
    line-height: 1.5;
}

#formularz {
    background: url('contact-bg.jpg') no-repeat fixed center center;
    background-size: cover;
    padding: 50px 20px;
}

#formularz form {
    max-width: 400px;
    margin: 0 auto;
}

#formularz form input, #formularz form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: Rubik, sans-serif;
}

#formularz form input:focus, #formularz form textarea:focus {
    outline: none;
    border: 1px solid #537a05;
}

#formularz form input[type="checkbox"] {
    width: auto;
    padding: 0;
    border: none;
    border-radius: 0;
    display: inline-block;
    margin: 0 10px 0 0;
}

#formularz form button {
    background: #537a05;
    color: #fff;
    margin-bottom: 15px;
    border: 1px solid #537a05;
    border-radius: 5px;
    cursor: pointer;
    padding: 10px 30px;
    font-size: 16px;
    font-family: Rubik, sans-serif;
    font-weight: 400;
}

.legal label {
    display: block;
    font-size: 14px;
    text-align: justify;
}

.submit-btn {
    display: block;
    text-align: center;
    padding-top: 15px;
}

#kontakt img {
    width: 100%;
    max-width: 400px;
}

.bottom-logo {
    display: flex;
    justify-content: center;
    align-items: center;
}

footer {
    padding: 20px 50px;
}

footer p {
    margin: 0;
    padding: 0;
    font-size: 14px;
    color: #999;
    text-align: center;
}

@media screen and (min-width: 2000px) {
    #o-nas, #oferta, #kontakt, .text-section {
        padding: 100px 50px;
    }
}

@media screen and (max-width: 1000px) {
    .banner h1 {
        font-size: 50px;
    }
}

@media screen and (max-width: 800px) {
    #kontakt {
        display: block;
    }
    #kontakt img {
        width: 100%;
        max-width: 300px;
        padding-bottom: 30px;
    }
    #kontakt div {
        padding-bottom: 15px;
    }
    #oferta ul {
        display: block;
    }
    #oferta ul li {
        padding-bottom: 50px;
    }
    #oferta ul li img {
        margin-left: auto;
        margin-right: auto;
    }
    .banner h1 {
        font-size: 40px;
    }
}

@media screen and (max-width: 680px) {
    .campaign {
        padding: 0;
        background: #fff;
    }
    header {
        padding: 20px;
    }
    #o-nas, #oferta, #kontakt {
        padding: 50px 20px;
    }
    .banner {
        height: 60vh;
    }
    .banner h1, h1 {
        font-size: 30px;
    }
    footer p {
        font-size: 12px;
    }
}

@media screen and (max-width: 600px) {
    html, body {
        font-size: 14px;
    }
    #kontakt img {
        width: 100%;
        max-width: 200px;
        padding-top: 20px;
        padding-bottom: 20px;
    }
    header img {
        width: 150px;
    }
    header nav ul {
        padding-top: 7px;
        font-size: 14px;
        gap: 20px;
    }
}

@media screen and (max-width: 470px) {
    header {
        padding: 15px 10px;
    }
    header img {
        width: 120px;
    }
    header nav ul {
        padding-top: 4px;
        font-size: 12px;
        gap: 15px;
    }
    header nav ul li ul {
        gap: 10px;
        padding: 0;
    }
}

@media screen and (max-width: 365px) {
    header nav ul li ul {
        display: none;
    }
    header {
        padding-right: 0;
    }
}

.text-section {
    padding-top: 100px;
}