:root {
  --navy: #0b1020;
  --navy-2: #141c32;
  --ink: #1c2333;
  --paper: #f3eee2;
  --paper-2: #e8e0d0;
  --gold: #c9a227;
  --gold-dim: #8d7320;
  --rule: #b9a57a;
  --muted: #5c6478;
  --link: #1f4e79;
  --link-hover: #c9a227;
  --card: #fffdf8;
  --shadow: 0 10px 30px rgba(11, 16, 32, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Source Serif 4", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  line-height: 1.65;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; }
a { color: var(--link); }
a:hover { color: var(--gold-dim); }

.archive-ribbon {
  background: var(--navy);
  color: #e8e0d0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.55rem 1.25rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.archive-ribbon a { color: var(--gold); text-decoration: none; }
.archive-ribbon a:hover { text-decoration: underline; }

.site-header {
  background:
    linear-gradient(180deg, rgba(11,16,32,0.55), rgba(11,16,32,0.82)),
    url("../images/hero-enterprise.jpg") center 30% / cover no-repeat,
    var(--navy);
  color: var(--paper);
  border-bottom: 4px solid var(--gold);
  padding: 1.4rem 1.25rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto 1rem;
  text-decoration: none;
  color: inherit;
}
.brand img {
  width: 72px;
  height: 72px;
  border: 2px solid var(--gold);
  background: #000;
  object-fit: cover;
}
.brand-text small {
  display: block;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-size: 0.72rem;
}
.brand-text h1 {
  margin: 0.15rem 0 0;
  font-size: clamp(1.35rem, 3vw, 2.05rem);
  font-weight: 600;
  letter-spacing: 0.02em;
}

nav.primary {
  max-width: 1100px;
  margin: 0 auto;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}
.nav-toggle {
  display: none;
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 0.4rem 0.7rem;
  margin-bottom: 0.6rem;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0;
  padding: 0;
}
.nav-list > li { position: relative; }
.nav-list > li > a,
.drop-btn {
  display: block;
  color: #f3eee2;
  text-decoration: none;
  padding: 0.75rem 0.95rem;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}
.nav-list > li > a:hover,
.drop-btn:hover,
.nav-list > li:focus-within > .drop-btn {
  background: rgba(201, 162, 39, 0.16);
  color: var(--gold);
}
.dropdown {
  display: none;
  position: absolute;
  left: 0;
  min-width: 280px;
  background: var(--card);
  color: var(--ink);
  box-shadow: var(--shadow);
  z-index: 20;
  border-top: 3px solid var(--gold);
  padding: 0.4rem 0;
}
.nav-list li:hover > .dropdown,
.nav-list li:focus-within > .dropdown,
.nav-list li.open > .dropdown { display: block; }
.dropdown a {
  display: block;
  padding: 0.45rem 0.9rem;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
  text-transform: none;
  letter-spacing: 0;
}
.dropdown a:hover { background: var(--paper-2); color: var(--link); }
.dropdown .view-all {
  border-top: 1px solid var(--paper-2);
  margin-top: 0.3rem;
  font-weight: 600;
  color: var(--gold-dim);
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 3rem;
}

.hero-archive {
  background: var(--card);
  border: 1px solid var(--paper-2);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.6rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.4rem;
  align-items: center;
}
.hero-archive img {
  width: 100%;
  border: 1px solid var(--rule);
}
.kicker {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-dim);
  font-size: 0.75rem;
  margin: 0 0 0.4rem;
}
.hero-archive h2 { margin: 0 0 0.6rem; font-size: 1.8rem; }
.meta, .post-meta {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--muted);
  font-size: 0.88rem;
}
.btn {
  display: inline-block;
  margin-top: 0.8rem;
  background: var(--navy);
  color: var(--paper);
  text-decoration: none;
  padding: 0.55rem 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.78rem;
}
.btn:hover { background: var(--gold-dim); color: #fff; }

.section-title {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--gold-dim);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 0.35rem;
  margin: 2rem 0 1rem;
}

.news-grid, .card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.1rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--paper-2);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: var(--navy-2);
}
.card .body { padding: 0.9rem 1rem 1.1rem; flex: 1; display: flex; flex-direction: column; }
.card h3 { margin: 0 0 0.4rem; font-size: 1.12rem; line-height: 1.3; }
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a:hover { color: var(--gold-dim); }
.card p { margin: 0 0 0.7rem; color: #3d4454; font-size: 0.95rem; }
.card .body .btn { margin-top: auto; align-self: flex-start; }

article.post {
  background: var(--card);
  padding: 1.6rem 1.7rem 2rem;
  border: 1px solid var(--paper-2);
  box-shadow: var(--shadow);
}
article.post header h1 { margin: 0.2rem 0 0.7rem; line-height: 1.2; }
.cats { margin: 0.4rem 0 1rem; }
.cats a {
  display: inline-block;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  padding: 0.15rem 0.45rem;
  margin: 0 0.25rem 0.25rem 0;
  text-decoration: none;
  color: var(--muted);
}
.cats a:hover { border-color: var(--gold); color: var(--gold-dim); }

.content figure, .content img { margin: 1rem auto; display: block; }
.content iframe {
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  min-height: 280px;
  border: 0;
}
.content video {
  width: 100%;
  height: auto;
  max-width: 100%;
  background: #000;
}
.content blockquote {
  border-left: 4px solid var(--gold);
  margin: 1rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
  color: #3a4154;
}
.featured-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  margin: 0 0 1.1rem;
  border: 1px solid var(--rule);
}

.see-more {
  margin-top: 2rem;
  padding: 1rem 1.1rem;
  background: var(--paper);
  border-left: 4px solid var(--gold);
}
.see-more h2 {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
  color: var(--gold-dim);
}
.see-more ul { margin: 0; padding-left: 1.1rem; }
.see-more li { margin: 0.25rem 0; }

.live-note {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.85rem;
  background: #efe6c9;
  border: 1px solid var(--gold);
  padding: 0.7rem 0.9rem;
  margin-bottom: 1.2rem;
}
.live-note a { color: var(--gold-dim); }

.tree-featured a {
  display: block;
  text-align: center;
  background: var(--navy);
  color: var(--paper);
  text-decoration: none;
  padding: 1rem 1.2rem;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  margin: 0 0 1.4rem;
}
.tree-featured a:hover { background: var(--gold-dim); color: #fff; }
.tree-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}
.tree-cat {
  background: var(--paper);
  border: 1px solid var(--paper-2);
  padding: 1rem 1.1rem 1.15rem;
}
.tree-cat h2 {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-dim);
  margin: 0 0 0.65rem;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 0.3rem;
}
.tree-cat ul { list-style: none; margin: 0; padding: 0; }
.tree-cat li { margin: 0.35rem 0; }
.tree-link {
  display: block;
  background: var(--card);
  border: 1px solid var(--paper-2);
  padding: 0.5rem 0.7rem;
  text-decoration: none;
  color: var(--ink);
}
.tree-link:hover { border-color: var(--gold); color: var(--gold-dim); }
.tree-note {
  display: block;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0.15rem 0 0.2rem 0.7rem;
}
.changelog { background: var(--card); padding: 1.5rem; border: 1px solid var(--paper-2); }
.changelog h2 { margin-top: 1.4rem; font-size: 1.1rem; }
.changelog time {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--gold-dim);
  letter-spacing: 0.08em;
}

footer.site-footer {
  background: var(--navy);
  color: #cfc6b4;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.86rem;
  padding: 1.4rem 1.25rem 2rem;
  border-top: 4px solid var(--gold);
}
footer.site-footer .wrap { padding-top: 0; padding-bottom: 0; }
footer.site-footer a { color: var(--gold); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.2rem;
}

@media (max-width: 800px) {
  .hero-archive, .footer-grid, .tree-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-block; }
  .nav-list { display: none; flex-direction: column; background: var(--navy-2); }
  .nav-list.show { display: flex; }
  .dropdown { position: static; min-width: 0; box-shadow: none; }
}