:root {
  --sidel-blue: #003da5;
  --sidel-blue-dark: #002d72;
  --sidel-orange: #e64b00;
  --ink: #1a2430;
  --muted: #5b6774;
  --bg: #f4f6f9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Montserrat", system-ui, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 28px;
  background: #fff;
  border-bottom: 4px solid var(--sidel-blue);
  box-shadow: 0 2px 10px rgba(0, 45, 114, 0.08);
}

.logo { height: 40px; width: auto; display: block; }

.topbar-tag {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sidel-blue);
}

.overlay {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 24px;
}

.card {
  max-width: 720px;
  width: 100%;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 45, 114, 0.15);
  border: 1px solid #e3e8ef;
}

.alert-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 32px;
  background: linear-gradient(90deg, var(--sidel-orange) 0%, #c23f00 100%);
  color: #fff;
}

.alert-strip .icon {
  font-size: 44px;
  line-height: 1;
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.14); }
}

.alert-strip h1 {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

.card-body { padding: 32px; }

.hello {
  font-size: 22px;
  font-weight: 700;
  color: var(--sidel-blue-dark);
  margin: 0 0 12px;
}

.lead {
  font-size: 17px;
  line-height: 1.55;
  margin: 0 0 24px;
  color: var(--ink);
}

.box {
  background: #eef3fb;
  border-left: 5px solid var(--sidel-blue);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 24px 0;
}

.box h2 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--sidel-blue-dark);
}

table.info {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

table.info th,
table.info td {
  text-align: left;
  padding: 7px 10px;
  border-bottom: 1px solid #dbe3f0;
  vertical-align: top;
}

table.info th {
  width: 190px;
  color: var(--sidel-blue);
  font-weight: 600;
  white-space: nowrap;
}

table.info td {
  color: var(--ink);
  word-break: break-word;
}

.cta {
  background: var(--sidel-orange);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 16px 20px;
  border-radius: 8px;
  margin: 24px 0;
  text-align: center;
}

h3 {
  margin: 28px 0 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--sidel-blue);
}

ul {
  line-height: 1.75;
  padding-left: 22px;
  margin: 0;
}

ul strong { color: var(--sidel-orange); }

kbd {
  background: var(--sidel-blue);
  color: #fff;
  border-radius: 4px;
  padding: 1px 7px;
  font-size: 13px;
  font-family: monospace;
}

.footer {
  margin-top: 28px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid #e3e8ef;
  padding-top: 16px;
}