:root {
  --bg: #f6f7f8;
  --surface: #ffffff;
  --surface-soft: #eef2f4;
  --text: #2f3437;
  --muted: #687176;
  --line: #dce2e5;
  --accent: #224b8d;
  --accent-soft: #dce7f7;
  --shadow: 0 18px 45px rgba(36, 47, 54, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Trebuchet MS", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

img,
video,
object {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.8rem max(1.25rem, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem;
}

.site-header nav a {
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.site-header nav a:hover {
  color: var(--accent);
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: 2rem;
  align-items: center;
  min-height: 72vh;
  padding: 3rem 0 2rem;
}

.hero__copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  line-height: 1.03;
}

.hero__copy p {
  max-width: 620px;
  color: var(--muted);
  font-size: 1.08rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__media,
.media-card,
.pdf-card {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero__media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: var(--surface-soft);
}

figcaption {
  padding: 0.8rem 0.95rem 0.95rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.section {
  padding: 3rem 0;
}

.section__heading {
  max-width: 760px;
  margin-bottom: 1.4rem;
}

.section__heading h2 {
  margin: 0 0 0.55rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--line);
  font-size: 2rem;
  line-height: 1.2;
}

.section__heading p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
}

.media-grid,
.pdf-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.media-card--wide {
  grid-column: 1 / -1;
}

.media-card img,
.media-card video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: var(--surface-soft);
}

.pdf-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: var(--surface-soft);
}

.pdf-card a {
  font-weight: 700;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header nav {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 2rem;
  }

  .media-grid,
  .pdf-grid {
    grid-template-columns: 1fr;
  }

  .pdf-card img {
    aspect-ratio: 4 / 3;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  main,
  .site-footer {
    width: min(100% - 1rem, 1180px);
  }

  .hero__copy h1 {
    font-size: 2.15rem;
  }

  .pdf-card img {
    aspect-ratio: 4 / 3;
  }
}