:root {
  color-scheme: light;
  --bg: #f6f8f7;
  --panel: #ffffff;
  --text: #17211c;
  --muted: #5d6a64;
  --border: #dce4df;
  --shadow: 0 18px 45px rgba(0, 51, 153, 0.12);
  --brand-blue: #003399;
  --brand-blue-dark: #00266f;
  --brand-yellow: #ffff01;
  --brand-yellow-soft: #ffffd8;
  --google: #ffff01;
  --google-dark: #ecec00;
  --facebook: #003399;
  --facebook-dark: #00266f;
  --focus: #003399;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 1, 0.28), transparent 34rem),
    linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 48%, #001640 100%);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: inherit;
}

.page-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 24px 20px 18px;
}

.review-panel {
  overflow: hidden;
  padding: clamp(18px, 3.4vw, 34px);
  background: var(--panel);
  border: 1px solid rgba(0, 51, 153, 0.16);
  border-top: 8px solid var(--brand-yellow);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero {
  max-width: 760px;
  margin: 0 auto 20px;
  text-align: center;
}

.brand-logo {
  display: block;
  width: min(220px, 58vw);
  height: auto;
  margin: 0 auto 14px;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  color: var(--brand-blue);
  font-size: clamp(1.75rem, 3vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 10px;
  font-size: 1.35rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.intro {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 1rem;
}

.choice-text {
  margin-bottom: 0;
  color: var(--brand-blue);
  font-size: 1.08rem;
  font-weight: 700;
}

.review-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.review-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  border: 1px solid rgba(0, 51, 153, 0.14);
  border-radius: 8px;
  background: #fbfcfb;
  box-shadow: 0 10px 25px rgba(28, 44, 36, 0.06);
}

.review-card p {
  color: var(--muted);
}

.option-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-bottom: 16px;
  font-weight: 800;
  line-height: 1;
  text-align: center;
}

.google-logo {
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(2rem, 4vw, 2.7rem);
  letter-spacing: 0;
}

.google-blue {
  color: #4285f4;
}

.google-red {
  color: #ea4335;
}

.google-yellow {
  color: #fbbc05;
}

.google-green {
  color: #34a853;
}

.facebook-logo {
  gap: 10px;
  color: #1877f2;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
}

.facebook-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35em;
  height: 1.35em;
  border-radius: 50%;
  background: #1877f2;
  color: #ffffff;
  font-size: 0.78em;
}

.card-details {
  display: flex;
  flex: 1;
  flex-direction: column;
  color: var(--muted);
}

.card-details p {
  margin-bottom: 0;
}

.card-details p:last-child {
  margin-bottom: 0;
}

.google-card {
  border-top: 4px solid var(--brand-yellow);
}

.facebook-card {
  border-top: 4px solid var(--brand-blue);
}

.steps {
  flex: 1;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid rgba(0, 51, 153, 0.12);
}

.steps p {
  margin-bottom: 8px;
  color: var(--text);
  font-weight: 700;
}

.steps ol {
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  width: 100%;
  margin-top: 16px;
  padding: 13px 18px;
  border-radius: 8px;
  color: #ffffff;
  font-weight: 750;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.button .fa-brands {
  width: 1.1em;
  flex: 0 0 auto;
  font-size: 1.08em;
  text-align: center;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(28, 44, 36, 0.16);
}

.button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.google-button {
  background: var(--google);
  color: var(--brand-blue);
}

.google-button:hover {
  background: var(--google-dark);
}

.facebook-button {
  background: var(--facebook);
}

.facebook-button:hover {
  background: var(--facebook-dark);
}

.platform-note {
  max-width: 760px;
  margin: 18px auto 0;
  color: var(--muted);
  text-align: center;
}

.help-section {
  max-width: 820px;
  margin: 24px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.help-section h2 {
  text-align: center;
}

.help-section p {
  margin-bottom: 12px;
  color: var(--muted);
}

.help-section p:last-child {
  margin-bottom: 0;
}

.site-footer {
  padding: 0 20px 36px;
  color: #ffffff;
  text-align: center;
}

.site-footer p {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  align-items: center;
  justify-content: center;
  margin: 0;
  font-size: 0.95rem;
}

.site-footer a {
  color: #ffffff;
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.site-footer a:hover {
  text-decoration-thickness: 2px;
}

.site-footer a:focus-visible {
  outline: 3px solid var(--brand-yellow);
  outline-offset: 3px;
}

@media (max-width: 760px) {
  .page-shell {
    padding: 10px;
  }

  .review-panel {
    padding: 16px 12px;
  }

  .hero {
    margin-bottom: 14px;
    text-align: center;
  }

  .brand-logo {
    width: min(170px, 52vw);
    margin-right: auto;
    margin-bottom: 10px;
    margin-left: auto;
  }

  .review-options {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .review-card {
    padding: 12px;
  }

  .option-logo {
    min-height: 36px;
    margin-bottom: 12px;
  }

  .google-logo {
    font-size: 1.75rem;
  }

  .facebook-logo {
    gap: 7px;
    font-size: 1.32rem;
  }

  h1 {
    font-size: 1.65rem;
  }

  h2 {
    font-size: 1rem;
  }

  .intro,
  .choice-text {
    font-size: 0.95rem;
  }

  .button {
    min-height: 56px;
    padding: 10px;
    font-size: 0.92rem;
  }

  .platform-note,
  .help-section h2 {
    text-align: left;
  }
}