* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #222b33;
    background-image: linear-gradient(to bottom, #303b45, #1e252c);
    color: #d8e4ef;
    min-height: 100vh;
}

/* Header */
.site-header {
    width: 100%;
    border-bottom: 2px solid #1a2530;
}

/* Top banner */
.top-banner {
    background: linear-gradient(to right, #34495e, #22313f);
    border-bottom: 2px solid #16202a;
    padding: 18px 12px 14px 12px;
    text-align: center;
}

.top-banner h1 {
    font-size: 2.3rem;
    color: #dcecff;
    text-shadow: 1px 1px 0 #000;
    letter-spacing: 1px;
}

.top-banner p {
    margin-top: 4px;
    color: #a9c0d4;
    font-size: 0.95rem;
}

/* Retro taskbar */
.retro-taskbar {
    position: relative;
    background: repeating-linear-gradient(
        45deg,
        #2e3944,
        #2e3944 4px,
        #26303a 4px,
        #26303a 8px
    );
    border-top: 1px solid #4b5c6d;
    border-bottom: 2px solid #111820;
    padding: 0;
}

.taskbar-menu {
    list-style: none;
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.menu-item {
    position: relative;
}

.menu-button {
    background: transparent;
    border: none;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: bold;
    color: #d7e7f5;
    cursor: pointer;
    position: relative;
    z-index: 3;
}

.menu-button:hover {
    color: #ffffff;
}

/* Sliding highlight bar */
.taskbar-slider {
    position: absolute;
    bottom: 0;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(90, 130, 170, 0.7),
        rgba(40, 70, 100, 0.9)
    );
    border-left: 1px solid #7394b3;
    border-right: 1px solid #7394b3;
    transition: left 0.25s ease, width 0.25s ease;
    z-index: 1;
}

/* Dropdown */
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #34414d;
    border: 1px solid #5f7488;
    box-shadow: 3px 3px 0 #111820;
    padding: 6px 0;
    z-index: 20;
}

.menu-item.active .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 10px 14px;
    text-decoration: none;
    color: #dcecff;
    font-weight: bold;
    font-size: 0.95rem;
    border-bottom: 1px solid #4f6273;
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

.dropdown-menu a:hover {
    background: #496177;
    color: #ffffff;
}

/* Main content */
.content-box {
    width: 85%;
    max-width: 1000px;
    margin: 28px auto;
    background: #313c46;
    border: 1px solid #60788e;
    box-shadow: 4px 4px 0 #111820;
    padding: 28px;
    color: #dce7f2;
}

/* Content links */

.content-box a {
    color: #7fc8ff;

    text-decoration: none;

    font-weight: bold;
}

.content-box a:hover {
    color: #ffffff;

    background: rgba(100, 150, 200, 0.15);

    text-decoration: underline;
}

.content-box a:visited {
    color: #9db8ff;
}

/* Footer */
.site-footer {
    margin-top: 30px;
    background: #1f3b56;
    color: #dcecff;
    text-align: center;
    padding: 14px;
    border-top: 2px solid #0f1a24;
    font-size: 0.9rem;
}

/* Homepage tab layout */
.home-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 24px;
}

.home-tab {
    display: block;
    text-decoration: none;
    color: #dce7f2;
    background: linear-gradient(to bottom, #42515e, #313d48);
    border: 2px solid #60788e;
    box-shadow: 4px 4px 0 #111820;
    padding: 20px;
    transition:
        transform 0.15s ease,
        box-shadow 0.15s ease,
        background 0.15s ease;
}

.home-tab h2 {
    color: #8fc7ff;
    margin-bottom: 10px;
}

.home-tab p {
    line-height: 1.6;
}

.home-tab:hover {
    background: linear-gradient(to bottom, #4d6172, #394754);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 #0c1218;
}

/* Mobile */
@media (max-width: 768px) {
    .taskbar-menu {
        flex-wrap: wrap;
    }

    .menu-button {
        padding: 10px 18px;
        font-size: 0.95rem;
    }

    .dropdown-menu {
        min-width: 180px;
    }

    .content-box {
        width: 92%;
        padding: 20px;
    }

    .top-banner h1 {
        font-size: 1.8rem;
    }

    .home-tabs {
        grid-template-columns: 1fr;
    }
}