:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: rgba(17, 24, 39, 0.10);
  --shadow: 0 10px 30px rgba(17, 24, 39, 0.10);
  --radius: 18px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 50% 0%, #ffffff 0%, var(--bg) 55%, #ffffff 100%);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 40px 18px 28px;
  gap: 18px;
}

.header {
  display: flex;
  justify-content: center;
  width: 100%;
}

.logo {
  width: 100%;
  max-width: 320px;
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 18px rgba(17, 24, 39, 0.10));
}

.card {
  width: min(560px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 22px;
  text-align: center;
}

.title {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 8px 0 0;
  font-size: 15px;
  color: var(--muted);
}

.divider {
  height: 1px;
  width: 100%;
  background: var(--border);
  margin: 18px 0;
}

.contact {
  display: flex;
  justify-content: center;
}

.phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  font-weight: 650;
  letter-spacing: 0.01em;
  background: linear-gradient(180deg, #ffffff 0%, #f3f4f6 100%);
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

.phone:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(17, 24, 39, 0.12);
}

.phone:focus {
  outline: 3px solid rgba(59, 130, 246, 0.35);
  outline-offset: 3px;
}

.footer {
  margin-top: auto;
  font-size: 13px;
  color: var(--muted);
  padding-top: 18px;
}

/* Mobile-specific tweaks */
@media (max-width: 480px) {
  .page {
    padding-top: 26px;
    gap: 14px;
  }

  .logo {
    max-width: 240px;
  }

  .card {
    padding: 20px 16px;
    border-radius: 16px;
  }

  .title {
    font-size: 22px;
  }
}