/* ==========================================
   GH UNIVERSAL HEADER – FIXED & CLEAN
========================================== */

.navbar {
    position: fixed;              /* FIX: header stays at top */
    top: 0;
    left: 0;

    width: 100%;
    height: 70px;                 /* FIX: stable height */
    background: #111;
    border-bottom: 2px solid #fdff55;

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 0 25px;              /* FIX: removed vertical padding */
    box-sizing: border-box;

    z-index: 9999;                /* always on top */
}

#header {
    width: 100%;
    height: 70px;                 /* FIX: reserves space so no black bar */
}

/* Brand */
.navbar .brand {
    font-weight: 700;
    color: #fdff55;
    font-size: 20px;
    text-shadow: 0 0 8px #fdff55aa;
}

/* Links */
.navbar .nav-links a {
    color: #fff;
    margin-left: 20px;
    text-decoration: none;
    font-weight: bold;
    position: relative;
    transition: 0.25s ease;
}

.navbar .nav-links a:hover {
    color: #fdff55;
    text-shadow: 0 0 12px #fdff55;
}

/* Yellow underline hover glow */
.navbar .nav-links a::after {
    content: "";
    height: 2px;
    width: 0%;
    background: #fdff55;
    display: block;
    transition: width 0.25s ease;
    margin-top: 3px;
}

.navbar .nav-links a:hover::after {
    width: 100%;
}