/* General Reset & Body */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #fff;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    padding: 1.5rem 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 10;
    animation: slideDown 0.5s ease-out;
}

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

header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Main */
main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 2rem auto;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 10;
    animation: fadeInUp 0.6s ease-out;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

main h2 {
    color: #667eea;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 0.5rem;
}

main h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

main p {
    margin-bottom: 1.2rem;
    color: #333;
    font-size: 1.05rem;
}

/* Lists */
main ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

main li {
    color: #333;
    font-size: 1.05rem;
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

main section {
    margin-bottom: 2rem;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    text-align: center;
    padding: 1.5rem;
    margin-top: auto;
    position: relative;
    z-index: 10;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

footer p {
    font-size: 0.95rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Hover Effects */
main:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}