/* ═══════════════════════════════
   DESIGN TOKENS
═══════════════════════════════ */
:root {
  --color-bg:       #0F0F14;
  --color-surface:  #1A1A26;
  --color-accent:   #00D4FF;
  --color-accent2:  #7B2FBE;
  --color-text:     #E8E8F0;
  --color-muted:    #8A8A9A;
  --color-border:   #2A2A38;
  --color-white:    #FFFFFF;
  --font-main:      'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm:      6px;
  --radius-md:      10px;
  --radius-lg:      16px;
  --header-h:       64px;
  --sidebar-w:      300px;
  --content-max:    720px;
  --site-max:       1200px;
}

/* ═══════════════════════════════
   RESET & BASE
═══════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
button, input, select, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; height: auto; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ═══════════════════════════════
   HEADER / NAV
═══════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
  white-space: nowrap;
}
.site-logo:hover { text-decoration: none; color: var(--color-accent); }
.site-logo img { height: 36px; width: auto; }

.primary-nav > ul {
  display: flex;
  gap: 4px;
  align-items: center;
}

/* Dropdown */
.primary-nav li { position: relative; }
.primary-nav .sub-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-width: 220px;
  padding: 6px 0;
  z-index: 300;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.primary-nav li:hover > .sub-menu { display: flex; }
.primary-nav .sub-menu li { display: block; width: 100%; }
.primary-nav .sub-menu a {
  display: block;
  padding: 9px 16px;
  border-radius: 0;
  font-size: 0.85rem;
  white-space: nowrap;
  font-weight: 500;
}
.primary-nav .sub-menu a:hover {
  background: var(--color-bg);
  color: var(--color-accent);
  text-decoration: none;
}
.primary-nav .menu-item-has-children > a::after {
  content: ' ▾';
  font-size: 0.7rem;
  opacity: 0.6;
}

.primary-nav a {
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}
.primary-nav a:hover,
.primary-nav .current-menu-item > a {
  background: var(--color-surface);
  color: var(--color-accent);
  text-decoration: none;
}

.header-tools { display: flex; align-items: center; gap: 12px; }

.search-toggle {
  background: none;
  border: none;
  color: var(--color-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: color 0.15s;
  font-size: 1.1rem;
}
.search-toggle:hover { color: var(--color-accent); }

.header-search-form {
  display: none;
  position: absolute;
  top: calc(var(--header-h) + 4px);
  right: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  gap: 8px;
  align-items: center;
  min-width: 280px;
}
.header-search-form.is-open { display: flex; }
.header-search-form input {
  flex: 1;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 0.95rem;
  outline: none;
}
.header-search-form button {
  background: var(--color-accent);
  border: none;
  color: var(--color-bg);
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* hamburger */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.2s;
}

/* mobile overlay nav */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-bg);
  flex-direction: column;
  padding: 80px 32px 32px;
}
.mobile-nav-overlay.is-open { display: flex; }
.mobile-nav-overlay ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-overlay a {
  display: block;
  color: var(--color-text);
  font-size: 1.5rem;
  font-weight: 700;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}
.mobile-nav-overlay .overlay-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--color-muted);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

/* ═══════════════════════════════
   HERO
═══════════════════════════════ */
.hero {
  position: relative;
  height: 520px;
  overflow: hidden;
  background: var(--color-surface);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.6);
  transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1.02); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,15,20,0.95) 0%, rgba(15,15,20,0.3) 60%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
  max-width: var(--site-max);
  margin: 0 auto;
}
.hero-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
  line-height: 1.2;
  max-width: 760px;
  margin-bottom: 16px;
}
.hero-readmore {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  transition: opacity 0.15s;
}
.hero-readmore:hover { opacity: 0.85; text-decoration: none; }

/* ═══════════════════════════════
   BADGES
═══════════════════════════════ */
.badge-category {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-bg);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 20px;
}
.badge-category:hover { text-decoration: none; opacity: 0.85; }
.badge-time {
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* ═══════════════════════════════
   ARTICLE GRID
═══════════════════════════════ */
.section-heading {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: 0 8px 32px rgba(0,212,255,0.08);
}

.card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.article-card:hover .card-thumb img { transform: scale(1.04); }

.card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 8px;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-title a { color: inherit; }
.card-title a:hover { color: var(--color-accent); text-decoration: none; }

.card-excerpt {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
}
.card-author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-accent2);
}
.card-date {
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-left: auto;
}

/* ═══════════════════════════════
   CATEGORY STRIP
═══════════════════════════════ */
.category-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}
.category-strip::-webkit-scrollbar { display: none; }

.cat-pill {
  flex: 0 0 auto;
  position: relative;
  width: 150px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 10px;
  text-decoration: none;
  border: 1px solid var(--color-border);
  transition: border-color 0.2s;
}
.cat-pill:hover { border-color: var(--color-accent); text-decoration: none; }
.cat-pill-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.45) blur(1px);
}
.cat-pill-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,15,20,0.85), transparent 60%);
}
.cat-pill-name {
  position: relative;
  z-index: 1;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
}

/* ═══════════════════════════════
   SIDEBAR
═══════════════════════════════ */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
}

.sidebar-sticky { position: sticky; top: calc(var(--header-h) + 16px); }

.partner-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 12px;
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.partner-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(0,212,255,0.07);
  text-decoration: none;
}
.partner-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  padding: 4px;
}
.partner-info { flex: 1; }
.partner-name { font-size: 0.9rem; font-weight: 700; color: var(--color-white); }
.partner-cta  { font-size: 0.78rem; color: var(--color-accent); margin-top: 2px; }

/* ═══════════════════════════════
   SINGLE ARTICLE LAYOUT
═══════════════════════════════ */
.single-layout {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.single-content {
  flex: 1;
  min-width: 0;
  max-width: var(--content-max);
}

.entry-header { margin-bottom: 32px; }
.entry-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 12px 0;
}
.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.entry-hero {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
}

.entry-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}
.entry-content h2,
.entry-content h3,
.entry-content h4 {
  color: var(--color-white);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 28px 0 12px;
}
.entry-content h2 { font-size: 1.5rem; }
.entry-content h3 { font-size: 1.2rem; }
.entry-content p  { margin-bottom: 18px; }
.entry-content a  { color: var(--color-accent); }
.entry-content ul,
.entry-content ol { margin: 0 0 18px 24px; }
.entry-content li { margin-bottom: 6px; }
.entry-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--color-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-muted);
  font-style: italic;
}
.entry-content pre,
.entry-content code {
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  font-family: 'Fira Code', monospace;
  font-size: 0.88rem;
}
.entry-content pre  { padding: 16px 20px; overflow-x: auto; margin-bottom: 18px; }
.entry-content code { padding: 2px 6px; }

/* Tags */
.entry-tags { margin: 32px 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-link {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 4px 12px;
  transition: border-color 0.15s, color 0.15s;
}
.tag-link:hover { border-color: var(--color-accent); color: var(--color-accent); text-decoration: none; }

/* Author box */
.author-box {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--color-border);
  margin-bottom: 40px;
}
.author-avatar { width: 56px; height: 56px; border-radius: 50%; flex-shrink: 0; object-fit: cover; }
.author-name { font-weight: 700; color: var(--color-white); font-size: 0.95rem; }
.author-bio  { font-size: 0.85rem; color: var(--color-muted); margin-top: 4px; line-height: 1.5; }

/* Social share */
.social-share { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  text-decoration: none;
  font-family: var(--font-main);
}
.share-btn:hover { border-color: var(--color-accent); color: var(--color-accent); text-decoration: none; }

/* Related posts */
.related-posts { margin-top: 48px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 16px; }

/* ═══════════════════════════════
   ARCHIVE
═══════════════════════════════ */
.archive-header { margin-bottom: 32px; }
.archive-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
}
.archive-description { color: var(--color-muted); margin-top: 8px; font-size: 0.95rem; }
.archive-count { font-size: 0.78rem; color: var(--color-accent); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }

/* Pagination */
.pagination { display: flex; gap: 8px; justify-content: center; margin: 48px 0; flex-wrap: wrap; }
.pagination a,
.pagination span {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: border-color 0.15s, color 0.15s;
}
.pagination a:hover { border-color: var(--color-accent); color: var(--color-accent); text-decoration: none; }
.pagination .current { border-color: var(--color-accent); color: var(--color-accent); }

/* ═══════════════════════════════
   FOOTER
═══════════════════════════════ */
.sponsor-strip {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding: 10px 20px;
  font-size: 0.82rem;
  color: var(--color-muted);
}
.sponsor-strip a { color: var(--color-accent); }

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 24px;
  margin-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.footer-bio { font-size: 0.88rem; color: var(--color-muted); line-height: 1.6; }
.footer-social { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.footer-social a {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 4px 12px;
  transition: border-color 0.15s, color 0.15s;
}
.footer-social a:hover { border-color: var(--color-accent); color: var(--color-accent); text-decoration: none; }
.footer-menu li { margin-bottom: 8px; }
.footer-menu a { font-size: 0.88rem; color: var(--color-muted); transition: color 0.15s; }
.footer-menu a:hover { color: var(--color-accent); text-decoration: none; }
.footer-cats li { margin-bottom: 8px; }
.footer-cats a { font-size: 0.88rem; color: var(--color-muted); transition: color 0.15s; }
.footer-cats a:hover { color: var(--color-accent); text-decoration: none; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-muted);
  flex-wrap: wrap;
  gap: 8px;
}
.back-to-top {
  color: var(--color-muted);
  font-size: 0.8rem;
  transition: color 0.15s;
}
.back-to-top:hover { color: var(--color-accent); text-decoration: none; }

/* ═══════════════════════════════
   SEARCH & 404
═══════════════════════════════ */
.search-header { margin-bottom: 32px; }
.search-form-main {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
}
.search-form-main input {
  flex: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1rem;
  padding: 10px 16px;
  font-family: var(--font-main);
  outline: none;
}
.search-form-main input:focus { border-color: var(--color-accent); }
.search-form-main button {
  background: var(--color-accent);
  border: none;
  color: var(--color-bg);
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-main);
}

.error-404-wrap { text-align: center; padding: 80px 20px; }
.error-404-code { font-size: 8rem; font-weight: 800; color: var(--color-accent); line-height: 1; opacity: 0.3; }
.error-404-msg  { font-size: 1.4rem; font-weight: 700; color: var(--color-white); margin: 16px 0 8px; }
.error-404-sub  { color: var(--color-muted); margin-bottom: 32px; }

/* ═══════════════════════════════
   SECTIONS SPACING
═══════════════════════════════ */
.section { padding: 48px 0; }
.section + .section { padding-top: 0; }

/* ═══════════════════════════════
   RESPONSIVE
═══════════════════════════════ */
@media (max-width: 1024px) {
  .article-grid    { grid-template-columns: repeat(2, 1fr); }
  .footer-grid     { grid-template-columns: repeat(2, 1fr); }
  .related-grid    { grid-template-columns: repeat(2, 1fr); }
  .single-layout   { gap: 32px; }
  .sidebar         { width: 260px; }
}

@media (max-width: 768px) {
  .primary-nav    { display: none; }
  .nav-hamburger  { display: flex; }
  .header-search-form { right: 0; left: 0; }
  .article-grid   { grid-template-columns: 1fr; }
  .footer-grid    { grid-template-columns: 1fr; }
  .related-grid   { grid-template-columns: 1fr; }
  .single-layout  { flex-direction: column; }
  .sidebar        { width: 100%; position: static; }
  .sidebar-sticky { position: static; }
  .hero           { height: 280px; }
  .hero-content   { padding: 20px; }
  .hero-title     { font-size: 1.4rem; }
  .search-toggle  { display: none; }
  .error-404-code { font-size: 5rem; }
  .mobile-nav-overlay .current-menu-item > a { color: var(--color-accent); }
}

/* ═══════════════════════════════
   WORDPRESS CONTENT ALIGNMENT
═══════════════════════════════ */
.entry-content .alignleft   { float: left; margin: 0 20px 16px 0; }
.entry-content .alignright  { float: right; margin: 0 0 16px 20px; }
.entry-content .aligncenter { margin-left: auto; margin-right: auto; text-align: center; }
.entry-content figcaption   { font-size: 0.82rem; color: var(--color-muted); text-align: center; margin-top: 8px; }
.entry-content .wp-block-image { margin-bottom: 18px; }
.entry-content h4 { font-size: 1.05rem; }
.entry-content h5 { font-size: 1rem; }
.entry-content h6 { font-size: 0.95rem; }

/* ═══════════════════════════════
   REDUCED MOTION
═══════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .hero-bg        { transition: none; }
  .article-card   { transition: border-color 0.15s; }
  .article-card:hover { transform: none; }
  .card-thumb img { transition: none; }
}