.box {
    max-width: 1000px;
    margin: 50px auto;
    display: grid;
    grid-gap: 10px;
    grid-template-columns: 250px minmax(0,1fr);
}

header, nav, main, footer {
    border: white 2px solid;
}

header {
    width: 900px;
    height: 160px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 20% 30%, #2d004d 0%, #0d000f 60%),
                linear-gradient(135deg, #1a0022, #001a1a);
    border: 4px solid #660066;
    border-radius: 10px;
    box-shadow: 0 0 20px #4d0033, 0 0 40px #001a1a inset;
}

/* scattered stars */
header::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(2px 2px at 20px 30px, #ffffff, transparent),
        radial-gradient(2px 2px at 120px 80px, #cc99ff, transparent),
        radial-gradient(1.5px 1.5px at 220px 40px, #ffffff, transparent),
        radial-gradient(2px 2px at 320px 100px, #00ffff, transparent),
        radial-gradient(1.5px 1.5px at 420px 20px, #ffffff, transparent),
        radial-gradient(2px 2px at 520px 90px, #cc99ff, transparent),
        radial-gradient(1.5px 1.5px at 620px 50px, #ffffff, transparent),
        radial-gradient(2px 2px at 720px 110px, #00ffff, transparent),
        radial-gradient(2px 2px at 820px 30px, #ffffff, transparent);
    background-repeat: repeat;
    animation: twinkle 3s ease-in-out infinite alternate;
}
@keyframes twinkle {
    from { opacity: 0.5; }
    to   { opacity: 1; }
}

.banner-title-block {
    position: absolute;
    left: 40px;
    bottom: 25px;
    z-index: 2;
}
.banner-title {
    font-family: 'Hellshunx', cursive;
    font-size: 52px;
    margin: 0;
    letter-spacing: 3px;
    background: linear-gradient(180deg, #ffffff 0%, #cc99ff 40%, #660066 70%, #1a0022 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 20px #660066;
}
.banner-url {
    font-family: Arial, sans-serif;
    font-size: 13px;
    letter-spacing: 2px;
    color: #99ffff;
    margin-top: -8px;
    text-shadow: 0 0 6px #00ffff;
}

.banner-glitter {
    position: absolute;
    top: 15px;
    right: 20px;
    z-index: 2;
}

.divider{
    grid-row: 2 / 3 ;
    grid-column: 1 / 3 ;
}

nav{
    grid-row: 3 / 4 ;
    grid-column: 1 / 2 ;
    height: max-content;
    background: linear-gradient(180deg, #1a0022, #0d000f, #001a1a);
    background-size: 200% 200%;
    animation: navGlow 10s ease infinite;
    border: 2px dashed #660066;
    border-radius: 8px;
    box-shadow: 0 0 15px #4d0033 inset;
}
@keyframes navGlow {
    0%   { background-position: 0% 0%; }
    50%  { background-position: 100% 100%; }
    100% { background-position: 0% 0%; }
}
nav ul {
    list-style: none;
    padding: 20px 10px;
    margin: 0;
}
nav li {
    margin: 18px 0;
    text-align: center;
}
nav a {
    font-family: 'Hellshunx', cursive;
    color: #cc99ff;
    text-decoration: none;
    font-size: 20px;
    letter-spacing: 2px;
    text-shadow: 0 0 5px #660066;
    transition: 0.4s;
    display: inline-block;
}
nav a:hover {
    color: #ffffff;
    text-shadow: 0 0 10px #ff33cc, 0 0 20px #00ffff, 0 0 30px #660066;
    transform: scale(1.15) rotate(-2deg);
}
nav li::before {
    content: "☠";
    color: #660066;
    margin-right: 6px;
    text-shadow: 0 0 6px #ff33cc;
}
nav{
    grid-row: 3 / 4 ;
    grid-column: 1 / 2 ;
    height: max-content;
    background: linear-gradient(180deg, #1a0022, #0d000f, #001a1a);
    background-size: 200% 200%;
    animation: navGlow 10s ease infinite;
    border: 2px solid #660066;
    border-radius: 8px;
    box-shadow: 0 0 15px #4d0033 inset;
    padding: 12px;
}
@keyframes navGlow {
    0%   { background-position: 0% 0%; }
    50%  { background-position: 100% 100%; }
    100% { background-position: 0% 0%; }
}

.nav-header {
    font-family: 'Hellshunx', cursive;
    font-size: 18px;
    color: #ffffff;
    text-shadow: 0 0 8px #cc99ff;
    border-bottom: 1px dashed #660066;
    padding-bottom: 8px;
    margin-bottom: 10px;
}
.nav-icon {
    color: #00ffff;
    text-shadow: 0 0 6px #00ffff;
}

.nav-label {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #cc99ff;
    margin: 10px 0 4px 4px;
    opacity: 0.8;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0 0 8px 0;
}
nav li {
    margin: 6px 0;
}
nav a {
    display: block;
    padding: 5px 8px;
    font-family: Arial, sans-serif;
    font-size: 14px;
    color: #e0ccff;
    text-decoration: none;
    border-radius: 4px;
    transition: 0.3s;
}
nav a::before {
    content: "» ";
    color: #00ffff;
}
nav a:hover {
    background: rgba(102, 0, 102, 0.4);
    color: #ffffff;
    text-shadow: 0 0 8px #00ffff;
    transform: translateX(4px);
}

main{
    grid-row: 2 / 3;
    grid-column: 2 / 3 ;
    height: max-content;
}

footer{
    grid-row: 3 / 4 ;
    grid-column: 1 / 3;
}

.stamp-marquee {
  overflow: hidden;
  width: 100%;
  white-space: nowrap;
}

.stamp-track {
  display: inline-flex;
  gap: 4px;
  width: max-content;
  animation: scroll-stamps 20s linear infinite;
}

.stamp-track img {
  height: 31px; /* standard stamp/badge height */
  width: 88px;
  flex-shrink: 0;
}

@keyframes scroll-stamps {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); } /* -50% because content is duplicated = 2x width */
}