/* CPS_582 — design: refined */
:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --text: #222229;
  --muted: #56565f;
  --accent: #7a1f2b;
  --accent-2: #3a3a45;
  --border: #dcdacf;
  --radius: 2px;
  --shadow: 0 1px 3px rgba(0,0,0,0.05);
  --heading-font: "Playfair Display", Georgia, serif;
  --body-font: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body-font);
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px;
}

/* HEADER */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.header-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}
.logo-img {
  height: 44px;
  width: auto;
  display: block;
}
.site-nav {
  display: flex;
  gap: 28px;
  flex: 1;
  flex-wrap: wrap;
}
.nav-link {
  color: var(--text);
  font-family: var(--body-font);
  font-size: 15px;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
  text-transform: capitalize;
}
.nav-link:hover, .nav-link.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

/* HERO */
.hero-section {
  padding: 64px 0 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.page-title {
  font-family: var(--heading-font);
  font-size: clamp(28px, 4.6vw, 44px);
  line-height: 1.18;
  font-weight: 700;
  margin: 0;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* MAIN */
.site-main {
  padding: 0 0 80px;
}

.article-content {
  padding: 48px 0 24px;
}
.article-content h2 {
  font-family: var(--heading-font);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.25;
  margin: 48px 0 16px;
  color: var(--text);
  letter-spacing: -0.005em;
}
.article-content h3 {
  font-family: var(--heading-font);
  font-size: 21px;
  margin: 36px 0 12px;
  color: var(--text);
}
.article-content p {
  margin: 0 0 18px;
  color: var(--text);
}
.article-content ul, .article-content ol {
  margin: 0 0 22px;
  padding-left: 24px;
  color: var(--text);
}
.article-content li {
  margin-bottom: 10px;
}
.article-content strong { color: var(--text); }
.article-content a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  font-weight: 500;
}
.article-content a:hover {
  background: var(--accent);
  color: var(--surface);
  text-decoration: none;
}

.article-image {
  margin: 32px 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.article-image img {
  width: 100%;
  display: block;
}

/* IMAGE GRID for index hero strip */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin: 32px 0;
}
.image-grid .article-image { margin: 0; }

/* FOOTER */
.site-footer {
  background: var(--surface);
  border-top: 2px solid var(--border);
  padding: 40px 0 28px;
  margin-top: 60px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}
.footer-logo {
  height: 36px;
  width: auto;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}
.footer-nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}
.footer-nav a:hover { color: var(--accent); }
.copyright {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

/* RESPONSIVE */
@media (max-width: 720px) {
  .header-inner {
    gap: 16px;
    padding: 14px 18px;
  }
  .site-nav {
    gap: 18px;
    width: 100%;
    justify-content: center;
  }
  .nav-link { font-size: 14px; }
  .container { padding: 0 18px; }
  .hero-section { padding: 40px 0 24px; }
  .article-content { padding: 32px 0 16px; }
  .article-content h2 { margin: 36px 0 14px; }
}

/* DESIGN-SPECIFIC ACCENTS */

.site-header { background: var(--surface); padding: 0; border-bottom: 1px solid var(--border); }
.header-inner { padding: 18px 32px; }
.brand-logo .logo-img { height: 44px; }
.nav-link { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600; }
.hero-section { background: var(--accent); color: var(--surface); padding: 96px 0 64px; border-bottom: 8px solid var(--accent-2); position: relative; overflow: hidden; }
.hero-section::before { content: ""; position: absolute; top: 0; right: -50px; width: 200px; height: 100%; background: rgba(255,255,255,0.04); transform: skewX(-15deg); }
.hero-section .container { position: relative; }
.page-title { color: var(--surface); font-weight: 500; max-width: 800px; }
.container { max-width: 920px; }
.article-content { padding: 64px 0 32px; }
.article-content h2 { color: var(--accent); padding-left: 22px; border-left: 6px solid var(--accent); margin-top: 56px; }
.article-image { border-radius: 2px; box-shadow: 12px 12px 0 -2px var(--accent-2); margin: 44px 0; }
.site-footer { background: var(--accent-2); color: var(--surface); border-top: none; }
.site-footer .copyright, .site-footer .footer-nav a { color: rgba(255,255,255,0.85); }
.site-footer .footer-brand { background: #ffffff; padding: 8px 18px; border-radius: 2px; display: inline-block; box-shadow: 6px 6px 0 var(--accent); }

