:root {
    --bg-1: #1b1e2b;
    --bg-2: #2a1721;
    --card-bg: rgba(255, 255, 255, 0.04);
    --card-border: rgba(255, 255, 255, 0.10);
    --danger: #ff5f56;
    --danger-soft: rgba(255, 95, 86, 0.14);
    --text: #f3f4f8;
    --muted: #9aa0b4;
}

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

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(1200px 600px at 15% -10%, var(--bg-2), transparent 60%),
        radial-gradient(1000px 500px at 110% 120%, #241a2e, transparent 55%),
        var(--bg-1);
}

.card {
    width: 100%;
    max-width: 520px;
    text-align: center;
    padding: 48px 40px;
    border-radius: 18px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(8px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    animation: rise 0.5s ease-out both;
}

@keyframes rise {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.icon {
    width: 96px;
    height: 96px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--danger);
    background: var(--danger-soft);
    box-shadow: 0 0 0 8px rgba(255, 95, 86, 0.05);
}

h1 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 14px;
}

.lead {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--muted);
    margin-bottom: 28px;
}

.lead strong { color: var(--text); }

.contact {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 22px;
    border-radius: 14px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.03);
}

.contact-label {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.phone {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 10px;
    background: var(--danger);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.phone:hover {
    transform: translateY(-2px);
    background: #ff7a72;
    box-shadow: 0 10px 24px rgba(255, 95, 86, 0.35);
}

.phone svg { flex-shrink: 0; }

.footer-note {
    margin-top: 28px;
    font-size: 0.78rem;
    color: var(--muted);
}

@media (max-width: 480px) {
    .card { padding: 36px 24px; }
    h1 { font-size: 1.35rem; }
    .phone { font-size: 1.25rem; }
}