/* ===============================
   Base / Global Styles
================================= */
html {
    font-size: 16px;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f7f7f7;
    margin: 0;
    padding: 0;
    color: #333;
    line-height: 1.5;
}

/* ===============================
   Header
================================= */
header {
    text-align: center;
    background-color: #35b444;
    color: #000;
    padding: 1.25em;
    font-family: Georgia, serif;
}

header h1 {
    margin: 0 0 0.25em 0;
    font-size: 2rem;
}

header p {
    margin: 0;
    font-size: 1rem;
}

/* ===============================
   Navigation
================================= */
.main-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.25em;
    padding: 0;
    margin: 1em 0 0 0;
}

.main-nav li {
    display: inline-block;
}

.main-nav a {
    text-decoration: none;
    color: #000;
    font-weight: bold;
    padding: 0.5em 0.75em;
    transition: background-color 0.3s ease;
    border-radius: 0.25em;
}

.main-nav a:hover {
    background-color: #f5f5dc;
}

/* ===============================
   Form Container
================================= */
.form-container {
    max-width: 500px;
    margin: 2em auto;
    padding: 1em;
}

.form-container h2 {
    text-align: left;
    font-size: 1.5rem;
    margin-bottom: 1em;
}

/* ===============================
   Contact Form
================================= */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1em;
    padding: 1em;
    background-color: #f5f5dc;
    border-radius: 0.5em;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

label {
    font-weight: bold;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    padding: 0.5em;
    border: 1px solid #ccc;
    border-radius: 0.25em;
    width: 100%;
    box-sizing: border-box;
    font-size: 1rem;
}

textarea {
    resize: none;
}

/* Checkbox group */
.checkbox-group {
    display: flex;
    gap: 1em;
    font-size: 1rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.25em;
}

/* Buttons */
.form-buttons {
    display: flex;
    gap: 0.5em;
}

input[type="submit"],
input[type="reset"] {
    background-color: #0b1f4a;
    color: #fff;
    border: none;
    padding: 0.625em;
    border-radius: 0.25em;
    cursor: pointer;
    flex: 1;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

input[type="submit"]:hover,
input[type="reset"]:hover {
    background-color: #142d6e;
}

/* Focus state */
input:focus,
textarea:focus {
    outline: none;
    border-color: #0b1f4a;
    box-shadow: 0 0 5px rgba(11,31,74,0.5);
}

/* Placeholder styling */
input::placeholder,
textarea::placeholder {
    color: #999;
    font-style: italic;
}

/* ===============================
   Media Queries (Mobile)
================================= */
@media screen and (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5em;
    }

    .main-nav li {
        display: block;
        width: 100%;
        border-bottom: 1px solid #000;
    }

    .main-nav a {
        display: block;
        padding: 0.5em 0;
    }

    .contact-form {
        width: 95%;
        padding: 1em;
        gap: 1.25em;
    }

    .checkbox-group {
        flex-direction: column;
    }
}