/* ============================================
   Unit 1 Cyber Ghost Theme
   ============================================ */

/* ── VARIABLES ── */
:root {
  --black:    #0e0d0c;
  --surface:  #181614;
  --surface2: #201e1b;
  --rule:     #2e2c28;
  --cream:    #f5f2ec;
  --off-white:#ede9e0;
  --warm:     #c2bdb5;
  --mid:      #6e6a65;
  --dark-text:#1a1916;
  --body-text:#2a2826;
  --gold:     #c4a84f;
  --gold-l:   #e8d28a;
  --fd: 'Bebas Neue', sans-serif;
  --fb: 'IBM Plex Sans', sans-serif;
  --fm: 'IBM Plex Mono', monospace;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--fb);
  font-size: 16px;
  line-height: 1.6;
  background: var(--black);
  color: var(--cream);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ── HEADER ── */
.u1-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14,13,12,0.96);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(8px);
}

.u1-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.u1-logo {
  font-family: var(--fd);
  font-size: 20px;
  letter-spacing: 0.1em;
  color: var(--cream);
  text-decoration: none;
}

.u1-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.u1-nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.u1-nav ul li a {
  font-family: var(--fm);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  text-decoration: none;
  transition: color 0.2s;
}

.u1-nav ul li a:hover { color: var(--cream); }

.u1-nav-cta {
  font-family: var(--fm);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--black) !important;
  padding: 7px 16px;
  text-decoration: none;
  transition: background 0.2s;
  font-weight: 500;
}

.u1-nav-cta:hover { background: var(--gold-l); }

/* ── MAIN ── */
.u1-main { min-height: 80vh; background: var(--black); }

/* ── HOMEPAGE HERO ── */
.u1-feed-header {
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
  padding: 96px 0 80px;
}

.u1-feed-header-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 48px;
}

.u1-feed-eyebrow {
  font-family: var(--fm);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.u1-feed-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--gold);
}

.u1-feed-title {
  font-family: var(--fd);
  font-size: clamp(64px, 8vw, 110px);
  letter-spacing: 0.02em;
  color: var(--cream);
  line-height: 0.9;
  margin-bottom: 28px;
}

.u1-feed-sub {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--warm);
  max-width: 560px;
  margin-bottom: 40px;
}

.u1-cta-btn {
  display: inline-block;
  font-family: var(--fm);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--black);
  padding: 14px 28px;
  text-decoration: none;
  transition: background 0.2s;
}

.u1-cta-btn:hover { background: var(--gold-l); color: var(--black); }

/* ── FEED / POST LIST ── */
.u1-feed-content {
  padding: 64px 0 96px;
}

.u1-feed-content-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.u1-feed-label {
  font-family: var(--fm);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}

.u1-post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

/* ── POST CARD ── */
.u1-post-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}

.u1-post-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.u1-post-card-image-link {
  display: block;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.u1-post-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.u1-post-card:hover .u1-post-card-image { transform: scale(1.03); }

.u1-post-card-content {
  padding: 28px 28px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.u1-post-card-tag {
  font-family: var(--fm);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  margin-bottom: 10px;
  display: block;
}

.u1-post-card-title {
  font-family: var(--fd);
  font-size: 24px;
  letter-spacing: 0.03em;
  color: var(--cream);
  line-height: 1.1;
  margin-bottom: 12px;
  flex: 1;
}

.u1-post-card-title a {
  color: var(--cream);
  text-decoration: none;
  transition: color 0.2s;
}

.u1-post-card-title a:hover { color: var(--gold-l); }

.u1-post-card-excerpt {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--mid);
  margin-bottom: 20px;
}

.u1-post-card-meta {
  font-family: var(--fm);
  font-size: 11px;
  color: var(--mid);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}

.u1-post-card-sep { color: var(--rule); }

/* ── PAGINATION ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--rule);
}

.pagination a,
.pagination .page-number {
  font-family: var(--fm);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid var(--rule);
  transition: all 0.2s;
}

.pagination a:hover {
  color: var(--cream);
  border-color: var(--mid);
}

/* ── ARTICLE HEADER ── */
.u1-article-header {
  background: var(--black);
  padding: 80px 0 48px;
  border-bottom: 1px solid var(--rule);
}

.u1-article-header-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 48px;
}

.u1-article-tag {
  font-family: var(--fm);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  display: block;
  margin-bottom: 16px;
}

.u1-article-title {
  font-family: var(--fd);
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: 0.02em;
  color: var(--cream);
  line-height: 0.95;
  margin-bottom: 20px;
}

.u1-article-excerpt {
  font-size: 18px;
  font-weight: 300;
  font-style: italic;
  color: var(--warm);
  line-height: 1.6;
  margin-bottom: 28px;
  max-width: 640px;
}

.u1-article-meta {
  font-family: var(--fm);
  font-size: 11px;
  color: var(--warm);
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.u1-article-sep { color: var(--rule); }

/* ── ARTICLE FEATURE IMAGE ── */
.u1-article-image {
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
}

.u1-article-image img {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
}

/* ── ARTICLE BODY — cream for reading ── */
.u1-article-body {
  background: var(--cream);
  padding: 56px 0 80px;
}

.u1-article-body-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 48px;
}

/* Paragraph */
.u1-article-body p {
  font-family: var(--fb);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--body-text);
  margin-bottom: 24px;
}

/* First paragraph */
.u1-article-body > div > p:first-child,
.u1-article-body-inner > p:first-child {
  font-size: 19px;
  font-weight: 400;
  color: var(--dark-text);
}

/* Headings */
.u1-article-body h2 {
  font-family: var(--fd);
  font-size: 30px;
  letter-spacing: 0.04em;
  color: var(--dark-text);
  margin-top: 56px;
  margin-bottom: 16px;
  line-height: 1.0;
  padding-top: 32px;
  padding-bottom: 10px;
  border-top: 2px solid var(--gold);
}

.u1-article-body h3 {
  font-family: var(--fd);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--dark-text);
  margin-top: 40px;
  margin-bottom: 12px;
}

.u1-article-body h4 {
  font-family: var(--fm);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8b5e1a;
  margin-top: 32px;
  margin-bottom: 8px;
}

/* Lists */
.u1-article-body ul,
.u1-article-body ol {
  font-size: 17px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--body-text);
  margin-bottom: 24px;
  padding-left: 28px;
}

.u1-article-body li { margin-bottom: 6px; }

.u1-article-body ul li { list-style-type: none; position: relative; padding-left: 20px; }
.u1-article-body ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 12px;
}

/* Strong / em */
.u1-article-body strong { color: var(--dark-text); font-weight: 500; }
.u1-article-body em { color: #3d3b36; }

/* Blockquote */
.u1-article-body blockquote {
  border-left: 3px solid var(--gold);
  background: var(--off-white);
  padding: 20px 24px;
  margin: 32px 0;
  border-radius: 0 4px 4px 0;
}

.u1-article-body blockquote p {
  font-style: italic;
  font-size: 17px;
  color: var(--dark-text);
  margin: 0;
}

/* Links */
.u1-article-body a {
  color: #8b5e1a;
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color 0.2s;
}

.u1-article-body a:hover { color: var(--gold); }

/* Code */
.u1-article-body code {
  font-family: var(--fm);
  font-size: 14px;
  background: #e0dbd1;
  color: var(--dark-text);
  padding: 2px 6px;
  border-radius: 3px;
}

.u1-article-body pre {
  background: var(--dark-text);
  border-radius: 4px;
  padding: 20px 24px;
  overflow-x: auto;
  margin-bottom: 24px;
}

.u1-article-body pre code {
  background: transparent;
  color: var(--cream);
  font-size: 13px;
  padding: 0;
}

/* HR */
.u1-article-body hr {
  border: none;
  border-top: 1px solid #ccc8be;
  margin: 40px 0;
}

/* Images in content */
.u1-article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 24px auto;
}

/* KG cards */
.kg-image-card { margin: 24px 0; }
.kg-image { width: 100%; border-radius: 4px; }

.kg-width-wide {
  margin-left: calc(50% - 50vw + 48px);
  margin-right: calc(50% - 50vw + 48px);
  max-width: 1000px;
}

.kg-width-full {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  max-width: 100vw;
}

.kg-width-wide img,
.kg-width-full img {
  width: 100%;
  height: auto;
}

.kg-bookmark-card {
  background: var(--off-white);
  border: 1px solid #ccc8be;
  border-radius: 4px;
  padding: 16px 20px;
  margin: 24px 0;
}

/* ── ARTICLE CTA ── */
.u1-article-cta {
  background: var(--surface);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 64px 0;
}

.u1-article-cta-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}

.u1-article-cta-eyebrow {
  font-family: var(--fm);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.u1-article-cta-title {
  font-family: var(--fd);
  font-size: 32px;
  letter-spacing: 0.04em;
  color: var(--cream);
  margin-bottom: 8px;
}

.u1-article-cta-sub {
  font-size: 14px;
  font-weight: 300;
  color: var(--mid);
  line-height: 1.7;
  max-width: 400px;
}

.u1-article-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}

.u1-cta-ghost {
  font-family: var(--fm);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  text-align: center;
  transition: color 0.2s;
}

.u1-cta-ghost:hover { color: var(--cream); }

/* ── RELATED POSTS ── */
.u1-related {
  background: var(--black);
  padding: 64px 0 96px;
}

.u1-related-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ── FOOTER ── */
.u1-footer {
  background: var(--surface);
  border-top: 1px solid var(--rule);
}

.u1-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 48px 48px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 64px;
}

.u1-footer-logo {
  font-family: var(--fd);
  font-size: 22px;
  letter-spacing: 0.1em;
  color: var(--cream);
  text-decoration: none;
  display: block;
  margin-bottom: 12px;
}

.u1-footer-brand p {
  font-family: var(--fm);
  font-size: 12px;
  color: var(--mid);
  letter-spacing: 0.04em;
  line-height: 1.8;
  margin-bottom: 8px;
}

.u1-footer-copy {
  font-family: var(--fm);
  font-size: 10px !important;
  color: #333 !important;
  margin-top: 16px !important;
}

.u1-footer-copy a { color: var(--mid); text-decoration: none; }

.u1-footer-links h4 {
  font-family: var(--fm);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}

.u1-footer-links a {
  display: block;
  font-family: var(--fm);
  font-size: 12px;
  color: var(--mid);
  letter-spacing: 0.04em;
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.2s;
}

.u1-footer-links a:hover { color: var(--cream); }

.u1-footer-disclaimer {
  background: #0a0908;
  border-top: 1px solid var(--rule);
  padding: 16px 48px;
  max-width: 100%;
}

.u1-footer-disclaimer p {
  font-family: var(--fm);
  font-size: 10px;
  color: #444;
  letter-spacing: 0.04em;
  line-height: 1.7;
  max-width: 1200px;
  margin: 0 auto;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .u1-header-inner { padding: 0 24px; }
  .u1-nav ul { display: none; }
  .u1-feed-header-inner,
  .u1-feed-content-inner,
  .u1-article-header-inner,
  .u1-article-body-inner,
  .u1-article-cta-inner,
  .u1-related-inner { padding: 0 24px; }
  .u1-feed-header { padding: 64px 0 56px; }
  .u1-post-grid { grid-template-columns: 1fr; }
  .u1-article-cta-inner { flex-direction: column; align-items: flex-start; }
  .u1-footer-inner { grid-template-columns: 1fr; padding: 48px 24px 32px; gap: 40px; }
  .u1-footer-disclaimer { padding: 16px 24px; }
  .u1-article-title { font-size: 36px; }
}

/* ── ERROR PAGE ── */
.u1-error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 48px;
}

.u1-error-inner {
  max-width: 600px;
  text-align: center;
}

.u1-error-inner .u1-feed-eyebrow {
  justify-content: center;
  font-size: 48px;
  letter-spacing: 0;
  color: var(--gold);
  margin-bottom: 16px;
  font-family: var(--fd);
}

.u1-error-inner .u1-feed-title {
  margin-bottom: 20px;
}

.u1-error-inner .u1-feed-sub {
  margin-bottom: 40px;
}