:root {
  --background: #f7f8fa;
  --surface: #ffffff;
  --surface-alt: #eef2f5;
  --text: #18212b;
  --muted: #536170;
  --accent: #245b78;
  --accent-dark: #173e54;
  --border: #d8e0e6;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family:
    Arial,
    Helvetica,
    sans-serif;
  font-size: 18px;
  line-height: 1.65;
}

a {
  color: var(--accent);
}

a:hover,
a:focus {
  color: var(--accent-dark);
}

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

.narrow {
  max-width: 780px;
}

.site-header {
  padding: 90px 0;
  background: linear-gradient(135deg, #173e54, #245b78);
  color: white;
  text-align: center;
}

.eyebrow {
  margin-bottom: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0 auto 22px;
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 1.08;
}

.subtitle {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1.25rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-block;
  padding: 13px 21px;
  border: 2px solid white;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  background: white;
  color: var(--accent-dark);
}

.button.secondary {
  color: white;
}

.section {
  padding: 70px 0;
}

.section.alternate {
  background: var(--surface-alt);
}

h2 {
  margin-top: 0;
  margin-bottom: 22px;
  font-size: 2rem;
  line-height: 1.2;
}

h3 {
  margin-top: 0;
  font-size: 1.3rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.section-intro {
    max-width: 800px;
    font-size: 1.15rem;
    line-height: 1.7;
    color: #cfcfcf;
    margin: 1rem 0 2.5rem 0;
}

.card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.text-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 25px;
}

.text-links a {
  font-weight: 700;
}

.site-footer {
  padding: 35px 0;
  background: #101820;
  color: white;
  text-align: center;
}

.site-footer p {
  margin: 4px 0;
}

@media (max-width: 720px) {
  body {
    font-size: 17px;
  }

  .site-header {
    padding: 65px 0;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}

/* ==========================================================
   DCPF Architecture Figure
   ========================================================== */

.architecture-figure {

  max-width: 900px;
  margin: 3rem auto;
  text-align: center;

}

.architecture-figure img {

  width: 100%;
  height: auto;
  display: block;

}

.architecture-figure figcaption {

  margin-top: 1rem;
  color: #c6d0d6;
  font-size: 0.95rem;
  line-height: 1.5;

}