/* =========================
   GLOBAL SITE STYLES
========================= */

body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: linear-gradient(135deg, #0d0d0d, #1a1a1a);
    color: white;
}

/* =========================
   HEADER
========================= */

header {
    text-align: center;
    padding: 20px;
    background: #111;
    border-bottom: 2px solid #00ffcc;
}

/* =========================
   STICKY NAV (ALL PAGES)
========================= */

nav {
    position: sticky;
    top: 0;
    background: #111;
    text-align: center;
    padding: 10px;
    border-bottom: 1px solid #333;
    z-index: 1000;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    display: inline-block;
}

nav a {
    color: white;
    padding: 10px 14px;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.3s ease;
}

nav a:hover {
    background: #00ffcc;
    color: black;
}

/* =========================
   MAIN LAYOUT (ALL PAGES)
========================= */

main {
    padding: 20px;
}

.box,
.box-big {
    background: #1a1a1a;
    border-radius: 12px;
    padding: 15px;
}

.bg1 {
    background: transparent;
}

.bg2 {
    background: #1a1a1a;
    box-shadow: 0 0 15px rgba(0, 255, 204, 0.15);
    border-radius: 12px;
}

.grid {
    display: block;
}

/* =========================
   FORM STYLES (CONTACT PAGE)
========================= */

form {
    max-width: 600px;
    margin: auto;
}

fieldset {
    border: 1px solid #333;
    border-radius: 10px;
    margin-bottom: 15px;
    padding: 10px;
}

legend {
    color: #00ffcc;
    font-weight: bold;
}

label {
    display: block;
    margin-top: 10px;
    color: #00ffcc;
}

input,
textarea,
select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    margin-bottom: 10px;
    border: none;
    border-radius: 8px;
    background: #111;
    color: white;
}

/* buttons (your web4 system) */
.button, input[type=submit], input[type=reset] {
    background-color: #111;
    border: 1px solid #333;
    color: white;
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
}

.button:hover, input[type=submit]:hover, input[type=reset]:hover {
    background: #00ffcc;
    color: black;
}

/* =========================
   IMAGE SYSTEM (ALL PAGES)
========================= */

.image-container {
    text-align: center;
    margin-top: 15px;
}

.small-image {
    width: 200px;
    border-radius: 12px;
    transition: 0.4s ease;
    box-shadow: 0 0 10px rgba(0,255,204,0.2);
}

.small-image:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0,255,204,0.6);
}

/* =========================
   FOOTER (ALL PAGES)
========================= */

footer {
    text-align: center;
    background: #111;
    color: white;
    padding: 15px;
    margin-top: 20px;
}

footer a {
    color: #00ffcc;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* =========================
   REQUIRED SINGLE MEDIA QUERY
========================= */

@media screen and (max-width: 600px) {

    nav ul li {
        display: block;
        margin: 5px 0;
    }

}