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

body {
    font-family: 'Orbitron', 'Antonio', sans-serif;
    background: #000;
    color: #fff;
    overflow-x: hidden;
}

button {
    font-family: 'Orbitron', 'Antonio', sans-serif;
}

strong {
  color: #66ccff;
}

li {
  margin-left: 2em;
  font-size: 1.15em;
  letter-spacing: 1.5px;
  line-height: 1.8;
  font-variant: small-caps;
}

.container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 200px;
    background: #000;
    padding: 20px 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-right: 3px solid #344466;
}

.nav-btn {
    background: #7799cc;
    border: none;
    padding: 20px 15px;
    font-size: 16px;
    font-weight: 200;
    color: #000;
    cursor: pointer;
    border-radius: 20px;
    text-align: left;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-btn:hover {
    background: #5588ee;
    transform: translateX(5px);
}

.nav-btn.active {
    background: #ff3500;
}

.main-content {
    flex: 1;
    padding: 40px;
    position: relative;
}

.header {
    background-color: #7799cc;
    padding: 30px;
    border-radius: 40px 0 0 0;
    margin-bottom: 1%;
}

.header h1 {
    font-size: 48px;
    color: #000;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.content-section {
    display: none;
    animation: fadeIn 0.5s;
}

.content-section.active {
    display: block;
}

sup {
  color: #7799cc;
}

.foot {
  margin-top: 2%;
  border-top: solid #ffffff 1px;
  font-size: 0.7em;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border-left: 8px solid #ff3500;
    padding: 30px;
    margin-bottom: 20px;
    border-radius: 0 20px 20px 0;
}

.panel h2 {
    color: #5588ee;
    font-size: 2em;
    font-weight: 200;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.panel p {
    line-height: 1.8;
    color: #ddd;
    margin-bottom: 10px;
    font-size: 1.15em;
    font-variant: small-caps;
    font-weight: 100;
    letter-spacing: 0.1em;
}

.accent-bar {
    height: 20px;
    background-color: #5588ee;
    margin-bottom: 20px;
}

.item-list {
    list-style: none;
    padding: 0;
}

.item-list li {
    background: rgba(255, 119, 0, 0.1);
    padding: 15px;
    margin: 10px 0;
    border-left: 4px solid #455577;
    border-radius: 0 10px 10px 0;
    font-size: 1.15em;
    font-weight: 100;
    letter-spacing: 1.5px;
    line-height: 1.8;
    font-variant: small-caps;
}

.item-list li strong {
    font-size: 1.2em;
    color: #5588ee;
    text-transform: uppercase;
}

.author {
  color: #66ccff;
}

.blink-slow {
  color: red;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.menu-toggle {
    display: none;
    background: #ff7700;
    border: none;
    padding: 15px 20px;
    font-size: 18px;
    font-weight: 200;
    color: #000;
    cursor: pointer;
    width: 100%;
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 3px solid #cc5500;
        padding: 0;
        gap: 5px;
    }

    .menu-toggle {
        display: block;
        border-radius: 20px;
        margin: 10px;
    }

    .sidebar.collapsed .nav-btn {
        display: none;
    }

    .nav-btn {
        border-radius: 20px;
        margin: 0 10px 5px 10px;
    }

    .main-content {
        padding: 20px;
    }
}