:root {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --accent-color: #58a6ff;
    --glitch-color1: #ff003c;
    --glitch-color2: #00e5ff;
}

body {
    font-family: 'Fira Code', monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: auto;
    overflow: hidden;
    padding: 0 20px;
}

header {
    background: #161b22;
    color: #fff;
    padding-top: 50px;
    min-height: 150px;
    border-bottom: 1px solid #30363d;
    text-align: center;
}

header h1 {
    font-size: 3rem;
    margin: 0;
    text-transform: uppercase;
}

header .subtitle {
    font-size: 1.2rem;
    color: var(--accent-color);
}

nav {
    background: #0d1117;
    border-bottom: 1px solid #30363d;
    padding: 15px 0;
}

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

nav li {
    display: inline;
    padding: 0 20px;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--accent-color);
}

main {
    padding: 40px 0;
}

section {
    margin-bottom: 50px;
    background: #161b22;
    padding: 30px;
    border: 1px solid #30363d;
    border-radius: 8px;
}

h2 {
    color: var(--accent-color);
    border-bottom: 2px dashed #30363d;
    padding-bottom: 10px;
    margin-top: 0;
}

.btn {
    display: inline-block;
    background: transparent;
    color: var(--accent-color);
    padding: 10px 20px;
    text-decoration: none;
    border: 1px solid var(--accent-color);
    border-radius: 4px;
    margin-top: 15px;
    margin-right: 10px;
    transition: all 0.3s ease;
}

.btn:hover {
    background: var(--accent-color);
    color: var(--bg-color);
}

/* Layouts */
.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.activity-card {
    background: #0d1117;
    padding: 20px;
    border: 1px solid #30363d;
    border-radius: 6px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.activity-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.activity-card h3 {
    color: #fff;
    margin-top: 0;
}

.event-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 20px;
}

.event-card {
    display: flex;
    align-items: center;
    background: #0d1117;
    padding: 20px;
    border: 1px solid #30363d;
    border-radius: 6px;
}

.event-logo {
    max-width: 100px;
    max-height: 100px;
    margin-right: 20px;
    object-fit: contain;
}

.event-card h3 {
    color: #fff;
    margin: 0 0 5px 0;
}

.event-card p {
    margin: 0;
    color: var(--text-color);
}

footer {
    background: #161b22;
    color: #8b949e;
    text-align: center;
    padding: 20px;
    margin-top: 20px;
    border-top: 1px solid #30363d;
}

/* Glitch Effect */
.glitch {
    position: relative;
    display: inline-block;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #161b22;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--glitch-color1);
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--glitch-color2);
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(10px, 9999px, 44px, 0); }
    20% { clip: rect(79px, 9999px, 11px, 0); }
    40% { clip: rect(54px, 9999px, 35px, 0); }
    60% { clip: rect(15px, 9999px, 68px, 0); }
    80% { clip: rect(98px, 9999px, 83px, 0); }
    100% { clip: rect(3px, 9999px, 20px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(65px, 9999px, 100px, 0); }
    20% { clip: rect(3px, 9999px, 54px, 0); }
    40% { clip: rect(89px, 9999px, 2px, 0); }
    60% { clip: rect(22px, 9999px, 73px, 0); }
    80% { clip: rect(44px, 9999px, 33px, 0); }
    100% { clip: rect(9px, 9999px, 99px, 0); }
}