*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --drk-red: #CC0000;
  --text: #1a1a1a;
  --text-light: #555;
  --bg: #f5f5f5;
  --white: #ffffff;
  --border: #ddd;
  --radius: 6px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
header {
  background: var(--drk-red);
  color: var(--white);
  padding: 2rem 1.5rem;
  text-align: center;
}

header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

header p.subtitle {
  font-size: 1rem;
  margin-top: 0.4rem;
  opacity: 0.9;
}

/* ── Main content ── */
main {
  flex: 1;
  max-width: 680px;
  width: 100%;
  margin: 2.5rem auto;
  padding: 0 1.5rem;
}

/* ── Intro box ── */
.intro {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
  line-height: 1.65;
}

.intro p + p {
  margin-top: 0.8rem;
}

/* ── Downloads ── */
.downloads h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.download-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.download-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  color: var(--drk-red);
  text-decoration: none;
  font-weight: 500;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.download-list a:hover {
  border-color: var(--drk-red);
  box-shadow: 0 2px 8px rgba(204, 0, 0, 0.12);
}

.download-list a:focus-visible {
  outline: 2px solid var(--drk-red);
  outline-offset: 2px;
}

.download-list a::before {
  content: "↓";
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--drk-red);
  flex-shrink: 0;
}

.download-list a .doc-label {
  flex: 1;
}

.download-list a .doc-label strong {
  display: block;
}

.download-list a .doc-label small {
  color: var(--text-light);
  font-weight: 400;
  font-size: 0.82rem;
}

/* ── Contact ── */
.contact {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-light);
  font-size: 0.9rem;
}

.contact a {
  color: var(--drk-red);
  text-decoration: none;
}

.contact a:hover {
  text-decoration: underline;
}

.contact a:focus-visible {
  outline: 2px solid var(--drk-red);
  outline-offset: 2px;
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-light);
  border-top: 1px solid var(--border);
  background: var(--white);
}

/* ── Responsive ── */
@media (max-width: 480px) {
  header h1 { font-size: 1.4rem; }
  main { margin: 1.5rem auto; }
}