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

/* BODY */
body {
    font-family: 'Segoe UI', sans-serif;
    height: 100vh;
    overflow: hidden;

    /* ALAP GRADIENT (wininstall style) */
    background: linear-gradient(135deg, #0f0c29, #302b63, #1a1a3a);

    display: flex;
    justify-content: center;
    align-items: center;
}

/* MATRIX OVERLAY (FINOM, NEM ZAVARÓ) */
body::before {
    content: "";
    position: fixed;
    inset: 0;

    background-image: url('./asssets/matrix.gif');
    background-size: cover;
    background-position: center;

    opacity: 0.25;

    mix-blend-mode: screen;
    filter: hue-rotate(260deg) brightness(1.2) contrast(1.2);

    pointer-events: none;
}

/* GLASS CONTAINER */
.container {
    position: relative;
    z-index: 1;

    text-align: center;

    padding: 50px;
    max-width: 700px;

    border-radius: 20px;

    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(12px);

    box-shadow:
        0 0 25px rgba(138,43,226,0.3),
        inset 0 0 20px rgba(255,255,255,0.05);

    animation: fadeIn 1s ease;
}

/* TITLE */
.title {
    font-size: 3rem;

    background: linear-gradient(90deg, #a855f7, #3b82f6);
    -webkit-background-clip: text;
    color: transparent;
}

/* SUBTITLE */
.subtitle {
    margin-top: 20px;
    color: #cbd5ff;
    line-height: 1.6;
}

/* HR */
hr {
    margin: 30px auto;
    width: 60%;
    border: none;
    height: 1px;

    background: linear-gradient(to right, transparent, #7c3aed, transparent);
}

/* BUTTON */
.enter-btn {
    display: inline-block;
    margin-top: 20px;

    padding: 14px 28px;
    border-radius: 12px;

    background: linear-gradient(135deg, #7c3aed, #2563eb);
    color: white;

    font-weight: bold;
    text-decoration: none;

    box-shadow: 0 0 15px rgba(138,43,226,0.6);
    transition: 0.3s;

    position: relative;
    overflow: hidden;
}

/* SHINE EFFECT */
.enter-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -50%;
    width: 150%;
    height: 100%;

    background: linear-gradient(120deg, transparent, rgba(255,255,255,0.4), transparent);
    transform: skewX(-25deg);
}

/* HOVER */
.enter-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 0 30px rgba(138,43,226,1);
}

.enter-btn:hover::before {
    animation: shine 0.8s forwards;
}

/* ANIMATIONS */
@keyframes shine {
    100% {
        left: 120%;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* MOBILE */
@media (max-width: 600px) {
    .container {
        margin: 20px;
        padding: 25px;
    }

    .title {
        font-size: 2rem;
    }
}