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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 50px;
    width: auto;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex-wrap: wrap;
}

nav a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

nav a:hover {
    color: #ffd700;
}

/* Burger Menu */
.burger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.burger-menu span {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 3px;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    z-index: 1000;
    padding-top: 80px;
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 1.5rem 2rem;
    font-size: 1.1rem;
    transition: background-color 0.3s;
}

.mobile-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffd700;
}

/* Main Content */
main {
    background: white;
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

.content-section {
    margin-bottom: 3rem;
}

h1 {
    color: #1a1a2e;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 3px solid #ffd700;
    padding-bottom: 0.5rem;
}

h2 {
    color: #16213e;
    font-size: 2rem;
    margin: 2rem 0 1rem;
    padding-top: 1rem;
}

h3 {
    color: #1a1a2e;
    font-size: 1.5rem;
    margin: 1.5rem 0 1rem;
}

p {
    margin-bottom: 1rem;
    text-align: justify;
}

/* Tables */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1.5rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    background: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    min-width: 600px;
}

table th {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e0e0e0;
}

table tr:hover {
    background-color: #f9f9f9;
}

table tr:last-child td {
    border-bottom: none;
}

/* Lists */
ul, ol {
    margin: 1rem 0 1rem 2rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background: #1a1a2e;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

footer p {
    margin: 0.5rem 0;
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: transform 0.3s, box-shadow 0.3s;
    font-weight: 600;
    margin: 0.5rem 0;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
}

/* Highlight boxes */
.highlight-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1.5rem 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.info-box {
    background: #e3f2fd;
    border-left: 4px solid #2196f3;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 5px;
}

.warning-box {
    background: #fff3e0;
    border-left: 4px solid #ff9800;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 5px;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    nav {
        display: none;
        
    }

    .mobile-nav ul {
        display: flex;
        list-style: none;
        gap: 0rem;
        flex-direction: column;
    }
    
    .burger-menu {
        display: flex;
    }
    
    .mobile-nav {
        display: block;
    }
    
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 1.5rem -20px;
        padding: 0 20px;
    }
    
    table {
        font-size: 0.9rem;
        min-width: 600px;
    }
    
    table th,
    table td {
        padding: 0.5rem;
        white-space: nowrap;
    }
}

/* Print styles */
@media print {
    header, footer, nav {
        display: none;
    }
    
    main {
        padding: 0;
    }
}