/* =========================
   1. GENERAL SETTINGS
========================= */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f6f9;
    color: #222;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* =========================
   2. REUSABLE CONTAINER
========================= */

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

.page {
    padding: 30px 0;
}

.narrow {
    max-width: 650px;
}

/* =========================
   3. HEADER AND NAVIGATION
========================= */

.site-header {
    background-color: #14264b;
    color: white;
    padding: 15px 0;
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
}

.brand {
    font-size: 22px;
    font-weight: bold;
}

.nav {
    display: flex;
    gap: 20px;
}

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

.clock {
    margin: 0;
}

/* =========================
   4. CARDS
========================= */

.card {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 25px;
}

/* =========================
   5. FORMS
========================= */

.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-weight: bold;
}

.field input,
.field select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
}

/* =========================
   6. BUTTONS
========================= */

.btn {
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
}

.btn-primary {
    background-color: #14264b;
    color: white;
}

.btn-primary:hover {
    background-color: #243e70;
}

/* =========================
   7. RESPONSIVE DESIGN
========================= */

@media (max-width: 600px) {
    .header-row {
        flex-direction: column;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .card {
        padding: 18px;
    }
}