html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow-x: hidden !important;
    background-color: #0f1115;
    color: #ffffff;
    font-family: "Inter", "Roboto", sans-serif;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    -webkit-font-smoothing: antialiased;
}


header {
    width: 100%;
    padding: 20px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    box-sizing: border-box;
}

.logo-img {
    width: 96px;
    height: 96px;
    border-radius: 16px;
    display: block;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transform: scale(0.3) rotate(0deg);
    opacity: 0;
    animation: logoRotateZoom 1.2s ease-out forwards;
}

@keyframes logoRotateZoom {
    0% {
        transform: scale(0.3) rotate(0deg);
        opacity: 0;
    }
    100% {
        transform: scale(1) rotate(360deg);
        opacity: 1;
    }
}


main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    position: relative;
    padding: 20px;
    box-sizing: border-box;
}

.content-wrapper {
    text-align: center;
    width: 100%;
    max-width: 600px;
    animation: fadeIn 0.8s ease-out;
    margin: 0 auto;
}

main::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(75, 145, 221, 0.12) 0%, rgba(15, 17, 21, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

h1 {
    position: relative;
    top: -65px; 
    font-size: clamp(3.5rem, 6vw, 5rem);
    margin: 0 0 16px 0;
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(180deg, #FFFFFF 0%, #A0AEC0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
}

p.description {
    margin-bottom: 40px;
    font-size: 1.125rem;
    color: #94A3B8;
    line-height: 1.6;
}


.button-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    width: 100%;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 320px;
    box-sizing: border-box;
    background: transparent; 
}


.btn-primary {
    border: 2px solid #4B91DD;
    color: #4B91DD;
    box-shadow: none;
}

.btn-primary:hover {
    background: rgba(75, 145, 221, 0.08);
    box-shadow: 0 0 20px rgba(75, 145, 221, 0.4);
    transform: translateY(-2px);
}


.btn-secondary {
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: #ffffff;
}

.btn-secondary:hover {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.btn svg {
    margin-right: 10px;
    width: 20px;
    height: 20px;
    fill: currentColor;
}


footer {
    width: 100%;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    box-sizing: border-box;
}

footer a {
    color: #64748B;
    font-size: 0.875rem;
    text-decoration: none;
}

footer a:hover {
    color: #7AB8FF;
}


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

@media (min-width: 640px) {
    .button-group {
        flex-direction: row;
        justify-content: center;
    }
}