/* indexstyle.css */

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: radial-gradient(circle at top left, #1a1a1a, #0d0d0d);
    color: #ffffff;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    animation: fadeIn 1.2s ease;
    backdrop-filter: blur(3px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.containerindex {
    background: rgba(30, 30, 30, 0.7);
    border: 1px solid rgba(255, 0, 0, 0.1);
    padding: 60px 90px;
    border-radius: 30px;
    box-shadow: 0 0 40px rgba(255, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    text-align: center;
    animation: pulseGlow 4s infinite alternate ease-in-out;
}

@keyframes pulseGlow {
    0% {
        box-shadow: 0 0 20px rgba(255, 0, 0, 0.15);
    }
    100% {
        box-shadow: 0 0 35px rgba(255, 0, 0, 0.4);
    }
}

.listbtn__index {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn__index {
    text-decoration: none;
    background: linear-gradient(145deg, #ff1e1e, #b00000);
    color: white;
    padding: 18px 40px;
    border-radius: 20px;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 1px;
    box-shadow: 0 0 12px rgba(255, 0, 0, 0.5);
    transition: transform 0.25s, box-shadow 0.25s;
    position: relative;
    overflow: hidden;
}

.btn__index::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: skewX(-45deg);
    transition: left 0.6s ease;
}

.btn__index:hover::before {
    left: 200%;
}

.btn__index:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.7);
}