body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background-image: url('images/transport_site.jpg');
    background-size: cover;
    background-position: center 30%;
    color: rgb(14, 3, 163);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    padding: 100px 20px;
    text-align: center;
    /* анімація */
    background-image: url('images/transport_site.jpg');
    background-size: cover;
    animation: moveBackground 10s ease-in-out infinite alternate;
}

/* Анімація фону */

@keyframes moveBackground {
    0% {
        background-position: center;
    }

    100% {
        background-position: center 20%;
    }
}

header h1 {
    margin: 0;
    font-size: 2em;
}

header nav ul li a:hover {
    color: rgb(49, 102, 49);
}

nav ul {
    list-style: none;
    padding: 0;
    margin-top: 10px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav ul li {
    margin: 0 10px;
}

nav ul li a {
    text-decoration: none;
    color: #011524;
    font-weight: bold;
}

section {
    padding: 40px 20px;
    max-width: 900px;
    margin: 0 auto;
    background-color: #fff;
    margin-top: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}

section h2 {
    color: #0077cc;
}

/* Графік поїздок */

#trips {
    background-color: #eef3fa;
    padding: 40px 20px;
    border-top: 1px solid #b0c4de;
    border-bottom: 1px solid #b0c4de;
}

#trips h2 {
    font-size: 1.8em;
    color: #0077cc;
    margin-bottom: 20px;
    text-align: left;
}

.trip {
    background-color: #ffffff;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid #0077cc;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.trip h3 {
    font-size: 1.3em;
    color: #0077cc;
    margin-bottom: 8px;
    text-align: left;
}

.trip p {
    font-size: 1em;
    color: #222;
    margin: 0;
    text-align: left;
}

/* Калькулятор вартості поїздки */

#trip-calculator {
    background-color: #eef3fa;
    padding: 40px 20px;
    max-width: 600px;
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

#trip-calculator h2 {
    color: #0077cc;
    margin-bottom: 20px;
    text-align: left;
}

#calculator-form label {
    display: block;
    margin: 12px 0 4px;
    color: #003366;
}

#calculator-form input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

#calculator-form button {
    margin-top: 20px;
    padding: 10px 15px;
    background-color: #03570e;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#calculator-form button:hover {
    background-color: #005599;
}

#result {
    margin-top: 20px;
    font-weight: bold;
    color: #003366;
}

.review {
    background-color: #eef6fb;
    padding: 15px;
    margin: 10px 0;
    border-left: 4px solid #0077cc;
    border-radius: 5px;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 10px 0;
}

.viber-button {
    display: inline-block;
    background-color: #218d06;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 10px;
    text-align: center;
    width: auto;
    box-sizing: border-box;
}

.viber-button:hover {
    background-color: #9e2f03;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #f1f1f1;
    color: #666;
    margin-top: 40px;
    font-size: 0.9em;
}

@media (max-width: 768px) {
    header {
        padding: 60px 15px;
        background-position: center 40%;
    }

    header h1 {
        font-size: 1.5em;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav ul li {
        margin: 8px 0;
    }

    section {
        padding: 20px 15px;
        margin: 10px 10px;
    }

    #trips,
    #trip-calculator {
        padding: 20px 15px;
        max-width: 100%;
        margin: 0 10px;
    }

    .trip {
        margin-left: 10px;
        margin-right: 10px;
        padding: 15px;
    }

    #calculator-form input,
    #calculator-form button {
        width: 100%;
    }

    .viber-button {
        width: 100%;
        padding: 12px 15px;
        font-size: 1em;
    }

    footer {
        padding: 15px 10px;
        font-size: 0.85em;
    }
}

@media (max-width: 400px) {
    header {
        padding: 40px 10px;
        background-position: center 50%;
    }

    header h1 {
        font-size: 1.2em;
    }

    nav ul {
        padding: 0;
    }

    nav ul li {
        margin: 5px 0;
    }

    nav ul li a {
        font-size: 0.9em;
    }

    section h2 {
        font-size: 1.2em;
    }

    .trip h3,
    .trip p,
    #trip-calculator h2,
    #calculator-form label,
    #result {
        font-size: 0.95em;
    }

    .viber-button {
        padding: 8px 15px;
        font-size: 0.9em;
    }

    footer {
        font-size: 0.75em;
    }
}