* {
  box-sizing: border-box;
}

:root {
  --page-bg: #eef3f8;
  --certificate-bg: #ffffff;
  --border: #3f6f9a;
  --border-soft: #9ab6cf;
  --text: #1f2b38;
  --muted: #4a6075;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: var(--page-bg);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  padding: 2rem;
}

.page {
  max-width: 8.5in;
  margin: 0 auto;
}

.certificate {
  background: var(--certificate-bg);
  border: 5px solid var(--border);
  padding: 0.35in;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.inner-frame {
  border: 2px solid var(--border-soft);
  padding: 0.5in 0.7in 0.8in;
  text-align: center;
}

.logo {
  display: block;
  width: min(4.3in, 92%);
  height: auto;
  margin: 0 auto 0.55rem;
}

.org {
  margin: 0 0 0.2rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--muted);
}

h1 {
  margin: 0 0 1.8rem;
  font-size: clamp(2rem, 4.2vw, 2.4rem);
  line-height: 1.15;
  color: var(--border);
}

.label {
  margin: 0;
  font-size: 1.1rem;
  color: var(--muted);
}

h2 {
  margin: 0.35rem 0 1.5rem;
  font-size: clamp(2rem, 4.8vw, 2.5rem);
  line-height: 1.1;
  font-weight: 700;
}

.citation,
.body-text,
.date,
.signature-name,
blockquote {
  max-width: 6.2in;
  margin-left: auto;
  margin-right: auto;
}

.citation {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.08rem;
  line-height: 1.7;
}

.divider {
  width: 2in;
  height: 2px;
  margin: 1rem auto 1.3rem;
  background: linear-gradient(to right, transparent, var(--border), transparent);
}

blockquote {
  margin-top: 0;
  margin-bottom: 1rem;
  padding: 0;
  border: 0;
  font-size: 1.06rem;
  line-height: 1.8;
  font-style: italic;
  color: #2f4358;
}

.body-text {
  margin-top: 0;
  margin-bottom: 2rem;
  font-size: 1.06rem;
  line-height: 1.8;
}

.date {
  margin-top: 0;
  margin-bottom: 2.1rem;
  font-size: 1rem;
}

.signature-block {
  margin-top: 0.4rem;
}

.signature-line {
  width: min(4.4in, 88%);
  margin: 0 auto 0.5rem;
  border-top: 2px solid #425a72;
}

.signature-name {
  margin-top: 0;
  margin-bottom: 0;
  font-size: 1rem;
}

@media (max-width: 700px) {
  body {
    padding: 1rem;
  }

  .certificate {
    padding: 0.2in;
  }

  .inner-frame {
    padding: 1.1rem;
  }
}

@media print {
  @page {
    size: letter portrait;
    margin: 0.45in;
  }

  body {
    background: #ffffff;
    padding: 0;
  }

  .page {
    max-width: none;
  }

  .certificate {
    box-shadow: none;
    break-inside: avoid;
  }
}