*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    color: #222;
    background:
        radial-gradient(circle at top right, rgba(255, 126, 0, 0.18), transparent 40%),
        linear-gradient(180deg, #fff8f1 0%, #f4f4f4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.card {
    width: 100%;
    max-width: 560px;
    background: #fff;
    border: 2px solid #ff7e00;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(255, 126, 0, 0.12);
    padding: 2rem 1.75rem;
    text-align: center;
}

.eyebrow {
    margin: 0 0 0.75rem;
    color: #ff7e00;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

h1 {
    margin: 0 0 1rem;
    font-size: clamp(1.45rem, 4vw, 1.85rem);
    line-height: 1.25;
    font-weight: 700;
}

.lead {
    margin: 0 0 1.25rem;
    color: #444;
    font-size: 1.05rem;
    line-height: 1.55;
    text-align: left;
}

.notice {
    margin: 0 0 1.5rem;
    padding: 0.9rem 1rem;
    background: #fff8f1;
    border: 1px solid #ffd2a8;
    border-radius: 10px;
    color: #5a3a14;
    font-size: 0.98rem;
    text-align: left;
}

.btn {
    display: inline-block;
    padding: 0.95rem 1.4rem;
    background: #ff7e00;
    color: #fff !important;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(255, 126, 0, 0.35);
    transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover,
.btn:focus {
    background: #e86f00;
    transform: translateY(-1px);
}

.url {
    margin: 1.35rem 0 0.75rem;
    color: #666;
    font-size: 0.92rem;
    line-height: 1.5;
    word-break: break-word;
}

.url a {
    color: #ff7e00;
    font-weight: 600;
}

.timer {
    margin: 0;
    color: #888;
    font-size: 0.88rem;
}

@media (max-width: 480px) {
    .card {
        padding: 1.5rem 1.15rem;
    }

    .btn {
        width: 100%;
    }
}