html, body {
    margin: 0;
}

body {
    background-color: #f1f5f9;
    display: flex;
    justify-content: center;
    font-family: Arial, Helvetica, sans-serif;
    color: #1e293b;
}

.wrapper {
    width: 1200px;
    display: flex;
    margin: 0 auto;
    background-color: #ffffff;
    min-height: 100vh;
}

.main {
    display: flex;
    flex-flow: column;
    width: 85%;
}

.menu {
    width: 15%;
    background-color: #0f766e;
    padding: 30px 20px;
    color: #ffffff;
}

.menu h2 {
    font-size: 22px;
    margin-bottom: 24px;
}

.menu ul {
    list-style: none;
    padding: 0;
}

.menu li {
    margin-bottom: 16px;
}

.menu a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
}

.menu a:hover {
    text-decoration: underline;
}

.header {
    background-color: #134e4a;
    min-height: 190px;
    padding: 40px;
    color: #ffffff;
}

.header h1 {
    margin: 0 0 10px;
    font-size: 36px;
}

.header p {
    margin: 0;
    font-size: 18px;
}

.header img {
    width: 100%;
    max-height: 220px;
    object-fit: contain;
    display: block;
    margin-bottom: 24px;
    border-radius: 8px;
    background-color: #ffffff;
}

.content {
    background-color: #ffffff;
    min-height: 300px;
    padding: 40px;
}

.content h2 {
    color: #0f766e;
    margin-top: 0;
}

.content p {
    font-size: 16px;
    line-height: 1.7;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 24px;
}

thead {
    background-color: #0f766e;
    color: #ffffff;
}

th,
td {
    border: 1px solid #cbd5e1;
    padding: 14px;
    text-align: left;
}

tbody tr:nth-child(even) {
    background-color: #f8fafc;
}

tbody tr:hover {
    background-color: #ecfeff;
}

.footer {
    background-color: #0f172a;
    min-height: 130px;
    padding: 30px 40px;
    color: #e2e8f0;
}

.footer p {
    margin: 6px 0;
}

form {
    margin-top: 20px;
}

input,
textarea {
    width: 100%;
    max-width: 600px;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
}

textarea {
    resize: vertical;
}

button {
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    margin-right: 10px;
    background-color: #0f766e;
    color: #ffffff;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background-color: #134e4a;
}

address {
    font-style: normal;
    line-height: 1.7;
    margin-bottom: 24px;
}

iframe {
    margin-bottom: 28px;
    border-radius: 8px;
}

/* ================================
   BASIC RESPONSIVE ADJUSTMENT
   Keeps the DIO template simple, but usable on mobile.
================================ */

@media (max-width: 900px) {
    body {
        display: block;
    }

    .wrapper {
        width: 100%;
        flex-direction: column;
        min-height: auto;
    }

    .menu {
        width: 100%;
        box-sizing: border-box;
        padding: 20px;
        text-align: center;
    }

    .menu ul {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .menu li {
        margin-bottom: 0;
    }

    .main {
        width: 100%;
    }

    .header,
    .content,
    .footer {
        padding: 24px;
        box-sizing: border-box;
    }

    .header h1 {
        font-size: 32px;
    }

    .header img {
        max-height: 180px;
    }

    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    input,
    textarea {
        box-sizing: border-box;
    }
}