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

body {
    font-family: Arial, sans-serif;
    background: white;
    color: black;
    line-height: 1.6;
}

header {
    background: black;
    color: #D4AF37;
    /*#C4B454*/
    padding: 15px 30px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-container img {
    width: 70px;
}

.logo-container h1 {
    font-size: 28px;
}

nav {
    margin-top: 15px;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 100px;
}

nav a {
    text-decoration: none;
    color: #D4AF37;
    font-weight: bold;
    transition: 0.3s;
}

nav a:hover {
    color: silver;
}

.container {
    width: 95%;
    max-width: 1400px;
    margin: 40px auto;
}

.hero {
    text-align: center;
    padding: 80px 20px;
}

.hero h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    color: #444;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.card {
    border: 1px solid #ddd;
    padding: 25px;
    border-radius: 10px;
    transition: 0.3s;
}

.card:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card h3 {
    margin-bottom: 15px;
}

footer {
    background: black;
    color: #D4AF37;
    text-align: center;
    padding: 20px;
    margin-top: 50px;
}

table.dataTable thead {
    background: black;
    color: #D4AF37;
}

.dataTables_wrapper {
    margin-top: 20px;
}

form {
    max-width: 700px;
}

form input,
form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
}

form button {
    background: black;
    color: #D4AF37;
    border: none;
    padding: 12px 25px;
    cursor: pointer;
}

form button:hover {
    background: #333;
}

.page-title {
    margin-bottom: 25px;
}

.disclaimer-box {
    background: #f5f5f5;
    border-left: 6px solid #D4AF37;
    padding: 25px;
    margin-top: 100px;
    border-radius: 8px;
}

.disclaimer-box h3 {
    margin-bottom: 18px;
    font-size: 24px;
}

.disclaimer-box ul {
    padding-left: 20px;
}

.disclaimer-box li {
    margin-bottom: 10px;
    color: #333;
    font-size: 14px;
    line-height: 1.5;
}

.database-notice {
    background: #f8f8f8;
    border-left: 6px solid #D4AF37;
    padding: 25px;
    margin-top: 100px;
    border-radius: 10px;
}

.database-notice h3 {
    margin-bottom: 18px;
    font-size: 24px;
    color: black;
}

.database-notice ul {
    padding-left: 20px;
}

.database-notice li {
    margin-bottom: 10px;
    color: #333;
    font-size: 14px;
    line-height: 1.5;
}

.effective-date {
    background: #f5f5f5;
    border-left: 5px solid #D4AF37;
    padding: 12px 18px;
    margin-bottom: 25px;
    font-size: 16px;
    letter-spacing: 0.5px;
    color: #222;
    border-radius: 6px;
}

.effective-date strong {
    font-weight: 700;
    color: black;
}

.airport-group-table {
    width: 100%;
    border-collapse: collapse;
}

.airport-group-table td,
.airport-group-table th {
    padding: 12px;
    border: 1px solid #ddd;
}

.airport-title-row td {
    background: black !important;
    color: #D4AF37 !important;
    font-weight: bold;
    font-size: 16px;
    padding: 14px !important;
}

.airport-title {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.airport-name {
    font-size: 18px;
}

.airport-code {
    color: white;
}

.airport-province {
    color: #ccc;
}

.airport-data-row td {
    background: white;
}

.airport-data-row:hover td {
    background: #f8f8f8;
}

.airport-group-table {
    width: 100%;
    border-collapse: collapse;
}

.airport-group-table td,
.airport-group-table th {
    padding: 0;
    border: none;
}

.airport-display {
    padding: 0 !important;
}

.airport-title {
    background: black;
    color: #D4AF37;
    line-height: 1.1;
    padding: 6px 10px;
    font-weight: bold;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.airport-name {
    font-size: 18px;
}

.airport-code {
    color: white;
}

.airport-province {
    color: #ccc;
}

.airport-row-data {
    display: flex;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid #ddd;
    background: white;
}

.airport-row-data:hover {
    background: #f7f7f7;
}

.airport-description {
    font-weight: 500;
    padding-left: 18px;
}

.airport-frequency {
    font-family: monospace;
    font-size: 15px;
}

.hidden-column {
    display: none;
}

/* DATATABLE STYLING */

.dataTables_wrapper {
    margin-top: 25px;
}

.dataTables_length,
.dataTables_filter {
    margin-bottom: 20px;
}

.dataTables_filter input {
    padding: 6px 10px;
    border: 1px solid #ccc;
}

.dataTables_length select {
    padding: 5px;
}

#airportTable thead th:nth-child(1),
#airportTable thead th:nth-child(2),
#airportTable thead th:nth-child(3) {
    display: none;
}

#airportTable thead th {
    position: sticky;
    top: 0;
    z-index: 100;
    background: black;
    color: #D4AF37;
}

table.dataTable thead th {
    position: sticky;
    top: 0;
    z-index: 100;
    background: white !important;
    color: #D4AF37 !important;
    padding: 10px 15px !important;
    font-size: 14px;
}

.dataTables_scrollBody {
    max-height: 700px;
    overflow-y: auto !important;
}

/* HEADER LAYOUT */

.airport-header-row {
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.airport-header-description {
    font-weight: bold;
}

.airport-header-frequency {
    font-weight: bold;
    margin-right: 20px;
}

/* HEADER + DATA GRID */

.airport-header-row,
.airport-row-data {
    display: grid;

    grid-template-columns:
        1.2fr 1.6fr 0.9fr 1.4fr;

    column-gap: 20px;

    align-items: center;

    width: 100%;
}

/* ALL TEXT LEFT */

.col-comm,
.col-transmitter,
.col-timings {
    text-align: left;
}

/* DESCRIPTION INDENT */

.col-comm {
    padding-left: 18px;
}

/* FREQUENCY COLUMN */

.col-frequency {
    text-align: left;
    font-family: monospace;
    padding-right: 10px;
}

/* MOBILE MENU BUTTON */

.menu-toggle {
    display: none;

    background: black;
    color: #D4AF37;

    border: 1px solid #D4AF37;

    padding: 10px 15px;

    margin-top: 15px;

    cursor: pointer;

    font-weight: bold;
}

/* MOBILE STYLES */

@media (max-width: 768px) {

    /* SHOW MENU BUTTON */

    .menu-toggle {
        display: block;
    }

    /* HIDE NAVIGATION INITIALLY */

    nav {
        display: none;

    }

    /* SHOW WHEN ACTIVE */

    nav.active {
        display: block;
    }

    /* STACK MENU ITEMS */

    nav ul {
        flex-direction: column;
        gap: 20px;

        margin-top: 20px;

        align-items: flex-start;
    }

    /* SMALLER LOGO SECTION */

    .logo-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .logo-container img {
        width: 55px;
    }

    .logo-container h1 {
        font-size: 24px;
    }

}