:root{
  --bg:#ffffff;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --shadow: 0 18px 45px rgba(0,0,0,.08);
  --radius: 20px;
}

*{
  box-sizing:border-box;
}

html, body{
  height:100%;
}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: var(--bg);
  color: var(--text);
  display:flex;
}

.wrap{
  width:100%;
  max-width: 900px;
  margin:auto;
  padding: 24px 16px;
  display:flex;
  flex-direction:column;
  align-items:center;
}

.card{
  width:100%;
  max-width: 680px;
  background: var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(26px, 4vw, 48px);
  box-shadow: var(--shadow);
  text-align:center;
}

.logo{
  display:block;
  margin: 0 auto 18px;
  width: clamp(120px, 22vw, 220px); /* responsive logo */
  max-width: 70%;
  height: auto;
  object-fit: contain;
}

h1{
  margin: 10px 0 6px;
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 600;
}

.subtitle{
  margin: 0 auto;
  max-width: 48ch;
  font-size: clamp(14px, 2.2vw, 18px);
  color: var(--muted);
  line-height: 1.6;
}

.divider{
  width: min(280px, 80%);
  height: 1px;
  margin: 20px auto 16px;
  background: linear-gradient(90deg, transparent, #d1d5db, transparent);
}

.note{
  margin: 0 auto;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.7;
  color: #374151;
}

.footer{
  margin-top: 20px;
  font-size: 13px;
  color: #9ca3af;
}