* {
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-attachment: fixed;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #000;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #ff6b6b 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.js-warning {
            background: #ffaa00cc;
            width: 100%;
            z-index: 9999;
            color: #000;
            padding: 15px;
            text-align: center;
            font-weight: bold;
            border-bottom: 5px solid #000;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: text-shadow 0.2s ease;
}

.logo:hover {
    text-shadow: 0 0 15px #ff6b6b, 0 0 25px #ff6b6b;
    cursor: default;
}

@keyframes electricGlow {
    0% {
        filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.8));
    }
    50% {
        filter: drop-shadow(0 0 15px rgba(255, 255, 255, 1)) drop-shadow(0 0 20px #ff6b6b);
    }
    100% {
        filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.8));
    }
}

.logo img {
    height: 50px;
    width: auto;
    vertical-align: middle;
    margin-right: 10px;
    animation: electricGlow 2s infinite ease-in-out;
}

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

nav a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 0.8;
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #ff6b6b 100%);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #ff6b6b 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.6);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn:hover::before {
    left: 100%;
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(255, 107, 107, 0.4);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.feature-card {
    border: 1px solid #ddd;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: box-shadow 0.3s;
    background: white;
    color: #333;
}

.feature-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    color: #ff6b6b;
    margin-bottom: 1rem;
}

footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}