.hero-image{
    background-image:url("heroimage/heroimage.png");
    height:400px;
    background-position:center;
    background-repeat: no-repeat;
    background-size:cover;
    position: relative;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
}
 
.hero-image{  
    border:2px solid green;  
    display: flex;
    flex-direction: column;
    gap: 20px;
   }  
 
.body{
    background-color: blue;
}

/* ======================================================
   GENERAL PAGE SETTINGS
   ====================================================== */

   * {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #0f172a;
    color: #e5e7eb;
}

h1,
h2,
h3 {
    color: #38bdf8;
}


/* ======================================================
   HERO SECTION
   ====================================================== */

.hero_image {
    min-height: 260px;
    background-size: cover;
    background-position: center;
    position: relative;

    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero_image::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}

.hero_image h1 {
    position: relative;
    margin: 0;
    padding: 20px;
    color: white;
    font-size: clamp(36px, 6vw, 64px);
    text-shadow: 0 3px 8px rgba(0,0,0,.45);
}


/* ======================================================
   MAIN LAYOUT
   ====================================================== */

.main-layout {
    width: min(92%, 1150px);
    margin: 28px auto;
    background-color: #1e293b;
    padding: 24px;
    border-radius: 18px;
    box-shadow: 0 4px 22px rgba(0,0,0,.45);
}

.content {
    padding: 18px;
    line-height: 1.7;
}

.content h2 {
    text-align: center;
    font-size: 34px;
    margin-top: 10px;
}


/* ======================================================
   NAVIGATION
   ====================================================== */

.navigation-add,
.navigation-view {
    margin-bottom: 14px;
    padding: 12px;
    border-radius: 12px;
}

.navigation-add {
    background-color: #334155;
}

.navigation-view {
    background-color: #263548;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

nav a {
    display: inline-block;
    text-decoration: none;

    color: #e5e7eb;
    background-color: #0f172a;

    padding: 10px 14px;
    border-radius: 8px;

    font-weight: bold;
    transition: 0.2s ease;
}

nav a:hover {
    background-color: #38bdf8;
    color: #0f172a;
    transform: translateY(-2px);
}


/* ======================================================
   HOME PAGE CARDS
   ====================================================== */

.card,
.home-card {
    background-color: #0f172a;
    border: 1px solid #475569;
    border-radius: 18px;

    padding: 24px;
    margin: 18px 0;

    box-shadow: 0 3px 14px rgba(0,0,0,.35);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-top: 20px;
}


/* ======================================================
   BUTTONS
   ====================================================== */

.btn,
button,
input[type="submit"] {
    display: inline-block;
    background-color: #38bdf8;
    color: #0f172a;
    padding: 11px 18px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    transition: 0.2s ease;
}

.btn:hover,
button:hover,
input[type="submit"]:hover {
    background-color: #0ea5e9;
    transform: translateY(-2px);
}


/* ======================================================
   FORMS
   ====================================================== */

form {
    max-width: 700px;
    margin: 0 auto;
    background-color: #0f172a;
    padding: 24px;
    border-radius: 18px;
    border: 1px solid #475569;
    box-shadow: 0 3px 14px rgba(0,0,0,.35);
}

input,
select,
textarea {
    width: 100%;
    padding: 11px;
    margin-top: 6px;
    margin-bottom: 15px;
    border: 1px solid #64748b;
    border-radius: 8px;
    font-size: 15px;
    background-color: #1e293b;
    color: #e5e7eb;
}

input[type="radio"],
input[type="checkbox"] {
    width: auto;
    margin-right: 6px;
}


/* ======================================================
   TABLES
   ====================================================== */

.page-content {
    max-width: 1000px;
    margin: 0 auto;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 95%;
    margin: 20px auto;
    border-collapse: collapse;
    background-color: #0f172a;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 3px 14px rgba(0,0,0,.35);
}

th {
    background-color: #38bdf8;
    color: #0f172a;
}

th,
td {
    padding: 13px;
    border: 1px solid #475569;
    text-align: left;
}

tr:nth-child(even) {
    background-color: #172033;
}


/* ======================================================
   FOOTER
   ====================================================== */

footer {
    width: 100%;
    text-align: center;
    padding: 22px;
    margin-top: 35px;

    background-color: #020617;
    color: #38bdf8;
}


/* ======================================================
   MOBILE
   ====================================================== */

@media (max-width: 700px) {

    .main-layout {
        width: 96%;
        padding: 16px;
    }

    nav {
        flex-direction: column;
    }

    nav a {
        text-align: center;
    }

    .content {
        padding: 10px;
    }
}