/* --- Reset & Base Styles --- */
:root {
    --primary-color: #003366; /* Deep Blue */
    --secondary-color: #005a9e;
    --accent-color: #f39c12; /* Gold/Orange Accent */
    --text-color: #333333;
    --light-gray: #f4f7f9;
    --white-color: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #27ae60;
    --error-color: #c0392b;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Be Vietnam Pro', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--white-color);
}

/* --- Utility Classes --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

h1, h2, h3 {
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.3;
}

h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

p {
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--accent-color);
    color: var(--white-color);
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn:hover {
    background-color: #e68a00;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* --- Header & Navigation --- */
.main-header {
    background-color: var(--white-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: padding 0.3s ease;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 50px;
    width: auto;
}

.main-nav ul {
    list-style: none;
    display: flex;
}

.main-nav li {
    margin-left: 35px;
}

.main-nav a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.main-nav a:hover::after, .main-nav a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-color);
}

/* --- Section 1: Overview --- */
#overview {
    background-color: var(--light-gray);
    padding-top: 100px; /* Adjusted padding */
    padding-bottom: 100px;
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.overview-image img {
    width: 100%;
    max-width: 420px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(0, 51, 102, 0.15);
}

.overview-text {
    text-align: left;
}

.overview-text p.lead {
    font-size: 1.15rem;
    color: #555;
    margin-bottom: 30px;
}

/* --- Section 2: Key Updates --- */
#updates {
    background-color: var(--white-color);
}

.updates-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    text-align: left;
}

.update-item {
    background-color: var(--light-gray);
    padding: 30px;
    border-radius: 8px;
    border-left: 5px solid var(--secondary-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.update-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.update-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

/* --- Section 3: Salary --- */
#salary {
    background-color: var(--light-gray);
}

#salary .container {
    max-width: 1100px;
}

#salary p {
    text-align: justify;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
}

.salary-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.salary-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.salary-table th, .salary-table td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.salary-table th {
    background-color: var(--primary-color);
    color: var(--white-color);
    font-weight: 600;
}

.salary-table tr:last-child td {
    border-bottom: none;
}

.salary-table tr:nth-child(even) {
    background-color: var(--white-color);
}

.salary-table tr:hover {
    background-color: #eef5fa;
}

/* --- Section 4: Form --- */
#report-form {
    background-color: var(--white-color);
}

.form-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.form-intro h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.form-intro p {
    font-size: 1.1rem;
}

.contact-form {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.07);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: 'Be Vietnam Pro', sans-serif;
    transition: border-color 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(0, 90, 158, 0.2);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    font-weight: 400;
    cursor: pointer;
}

.checkbox-group input {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    accent-color: var(--secondary-color);
}

.form-group .error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    display: none;
    margin-top: 5px;
}

.form-group.error input {
    border-color: var(--error-color);
}

.form-group.error .error-message {
    display: block;
}

#form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 5px;
    text-align: center;
    display: none;
}

#form-message.success {
    background-color: #e9f7ef;
    color: var(--success-color);
    display: block;
}

#form-message.error {
    background-color: #fbe9e7;
    color: var(--error-color);
    display: block;
}

.suggestion-message {
    font-size: 0.875rem;
    margin-top: 5px;
    display: none;
    color: #1d7d65;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--primary-color);
    color: var(--white-color);
    text-align: center;
    padding: 30px 0;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    h1 { font-size: 2.4rem; }
    h2 { font-size: 2rem; }

    .overview-content {
        grid-template-columns: 1fr;
    }
    .overview-image {
        margin-bottom: 30px;
        text-align: center;
    }
    .overview-text {
        text-align: center;
    }

    .form-container {
        grid-template-columns: 1fr;
    }
    .form-intro {
        text-align: center;
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: var(--white-color);
        position: absolute;
        top: 80px;
        left: 0;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    .main-nav.active {
        display: flex;
    }

    .main-nav ul {
        flex-direction: column;
        width: 100%;
        text-align: center;
    }

    .main-nav li {
        margin: 10px 0;
    }

    .menu-toggle {
        display: block;
    }

    section {
        padding: 60px 0;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .updates-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
    }
}
#report-form .container ul li{
    margin-left: 20px;
}