:root {
  --bg: #f5f8fc;
  --card: #ffffff;
  --border: #d1d5db;        /* light gray */
  --text: #111827;          /* near-black */
  --muted: #4b5563;         /* medium gray */
  --accent: #2563eb;        /* blue for buttons */
  --accent-hover: #1d4ed8;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.page {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

/* Header */

.topbar {
  border-bottom: none;
  padding: 12px 16px;
  display: flex;
  justify-content: center;
  background: #3f4258;
}

.brand {
  width: min(900px, 100%);
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  max-width: 36px;
  max-height: 36px;
  object-fit: contain;
  }

.brand-name {
  font-weight: 600;
  font-size: 14px;
  color: #ffffff;
  line-height: 1.2;
}

.brand-sub {
  font-size: 12px;
  color: #c7c9d3;
  line-height: 1.2;
  }


/* Center Image */

.center-img {
  max-height: 250px;
  max-width: 250px;
  height: auto;
  width: auto;
  display: block;
  margin: 0 auto;
  }

/* Main Card */

.card {
  width: min(900px, 94vw);
  margin: 40px auto;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
}

.section {
  max-width: 760px;
}

/* Typography */

.headline {
  font-size: 26px;
  font-weight: 600;
  margin: 0 0 12px;
}

.body {
  font-size: 15px;
  margin: 12px 0;
}

.muted {
  color: var(--muted);
}

.fineprint {
  font-size: 13px;
  color: var(--muted);
}

/* Lists */

.bullets {
  margin: 12px 0 0 18px;
  padding: 0;
}

.bullets li {
  margin: 8px 0;
}

/* Forms */

.form {
  margin-top: 20px;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #f9fafb;
}

.checkbox input {
  margin-top: 3px;
}

/* Buttons */

.actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.btn {
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.primary {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.ghost {
  background: #ffffff;
  color: var(--text);
}

.ghost:hover {
  background: #f3f4f6;
}

/* Alerts */

.alerts {
  margin-bottom: 16px;
}

.alert {
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #f9fafb;
}

.alert.error {
  border-color: #dc2626;
  background: #fef2f2;
  color: #7f1d1d;
}

/* Divider */

.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

/* Callout */

.callout {
  margin-top: 16px;
  padding: 14px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: #f9fafb;
}

.callout-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.callout-body {
  font-size: 14px;
  color: var(--muted);
}

/* Footer */

.footer {
  border-top: 1px solid var(--border);
  padding: 16px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  justify-content: center;
}

.footer-inner {
  width: min(900px, 100%);
  display: flex;
  gap: 10px;
}

.dot {
  opacity: 0.6;
}