* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: radial-gradient(circle at center, #151515 0%, #090909 45%, #030303 100%);
    color: #e9e9e9;
    font-family: Arial, Helvetica, sans-serif;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.08;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

.container {
    position: relative;
    z-index: 1;
    width: min(700px, 90vw);
    text-align: center;
    padding: 48px 24px;
}

.eyebrow {
    margin-bottom: 18px;
    color: #666;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 5px;
}

h1 {
    margin: 0;
    font-size: clamp(54px, 11vw, 104px);
    font-weight: 500;
    letter-spacing: clamp(10px, 2vw, 22px);
    line-height: 1;
    text-indent: clamp(10px, 2vw, 22px);
}

.subtitle {
    margin: 28px 0 48px;
    color: #8b8b8b;
    font-size: 15px;
    letter-spacing: 0.5px;
}

button {
    display: inline-flex;
    align-items: center;
    gap: 13px;
    padding: 17px 32px;
    border: 1px solid #4d4d4d;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.015);
    color: #eee;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    cursor: pointer;
    transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

button:hover:not(:disabled) {
    background: #eee;
    border-color: #eee;
    color: #080808;
    transform: translateY(-2px);
}

button:active:not(:disabled) {
    transform: translateY(0);
}

button:disabled {
    opacity: 0.55;
    cursor: wait;
}

.button-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
}

.map-link {
    display: block;
    width: fit-content;
    margin: 17px auto 0;
    color: #555;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-decoration: none;
    transition: color 180ms ease;
}

.map-link:hover {
    color: #aaa;
}

#status {
    min-height: 20px;
    margin: 24px 0 0;
    color: #aaa;
    font-size: 13px;
}

.hint {
    margin-top: 10px;
    color: #444;
    font-size: 11px;
    letter-spacing: 0.4px;
}

.corner {
    position: fixed;
    width: 28px;
    height: 28px;
    opacity: 0.35;
}

.corner-tl { top: 24px; left: 24px; border-top: 1px solid #777; border-left: 1px solid #777; }
.corner-tr { top: 24px; right: 24px; border-top: 1px solid #777; border-right: 1px solid #777; }
.corner-bl { bottom: 24px; left: 24px; border-bottom: 1px solid #777; border-left: 1px solid #777; }
.corner-br { right: 24px; bottom: 24px; border-right: 1px solid #777; border-bottom: 1px solid #777; }

@media (max-width: 600px) {
    .subtitle { margin-bottom: 38px; }
    button { padding: 16px 24px; }
    .corner { width: 20px; height: 20px; }
    .corner-tl, .corner-tr { top: 16px; }
    .corner-bl, .corner-br { bottom: 16px; }
    .corner-tl, .corner-bl { left: 16px; }
    .corner-tr, .corner-br { right: 16px; }
}