:root {
  --ai-bg: #0b0a09;
  --ai-bg-2: #141210;
  --ai-surface: #1a1714;
  --ai-line: rgba(242, 235, 227, 0.1);
  --ai-line-strong: rgba(242, 235, 227, 0.18);
  --ai-text: #f2ebe3;
  --ai-muted: #9a9186;
  --ai-faint: #6e675e;
  --ai-accent: #c4a574;
  --ai-accent-soft: #d8c09a;
  --ai-ink: #1a1208;
  --ai-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ai-serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", serif;
  --ai-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --ai-display-en: "Cormorant Garamond", "Noto Serif SC", serif;
}

html {
  background: var(--ai-bg);
  scroll-behavior: smooth;
}

body.ai-frontier,
body.has-base-background-color {
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(196, 165, 116, 0.07), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(120, 90, 50, 0.05), transparent 50%),
    linear-gradient(180deg, #0e0c0a 0%, var(--ai-bg) 32%, #090807 100%) !important;
  color: var(--ai-text);
  font-family: var(--ai-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.ai-frontier::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.035;
  background-image:
    linear-gradient(rgba(242, 235, 227, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 235, 227, 0.5) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
}

body.ai-frontier > * {
  position: relative;
  z-index: 1;
}

body.ai-frontier a {
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.25s var(--ai-ease);
}

/* ----- Header ----- */
.ai-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 10, 9, 0.72) !important;
  backdrop-filter: blur(18px) saturate(1.2);
  border-bottom: 1px solid var(--ai-line);
}

.ai-header .wp-block-site-title {
  margin: 0;
  font-family: var(--ai-serif);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.ai-header .wp-block-site-title a {
  color: var(--ai-text) !important;
  text-decoration: none;
}

.ai-header .wp-block-site-title a:hover {
  color: var(--ai-accent-soft) !important;
}

.ai-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 2px;
  border: 1px solid var(--ai-accent);
  background: linear-gradient(145deg, rgba(196, 165, 116, 0.2), rgba(196, 165, 116, 0.02));
  color: var(--ai-accent-soft);
  font-family: var(--ai-display-en);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  font-style: italic;
}

.ai-header .wp-block-navigation a {
  position: relative;
  color: var(--ai-muted) !important;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 4px 0;
}

.ai-header .wp-block-navigation a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--ai-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ai-ease);
}

.ai-header .wp-block-navigation a:hover,
.ai-header .wp-block-navigation .current-menu-item a {
  color: var(--ai-text) !important;
}

.ai-header .wp-block-navigation a:hover::after,
.ai-header .wp-block-navigation .current-menu-item a::after {
  transform: scaleX(1);
}

.ai-header .wp-block-navigation__responsive-container-open svg,
.ai-header .wp-block-navigation__responsive-container-close svg {
  fill: var(--ai-text);
}

/* ----- Hero ----- */
.ai-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 56px !important;
  min-height: min(72vh, 640px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.ai-hero::before {
  content: "";
  position: absolute;
  inset: 0 -10% auto;
  height: 100%;
  background:
    radial-gradient(ellipse 70% 60% at 70% 20%, rgba(196, 165, 116, 0.14), transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(90, 70, 40, 0.18), transparent 55%);
  pointer-events: none;
  animation: ai-aurora 14s ease-in-out infinite alternate;
}

.ai-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ai-line-strong), transparent);
}

@keyframes ai-aurora {
  from { transform: translate3d(0, 0, 0) scale(1); opacity: 0.85; }
  to { transform: translate3d(-2%, 2%, 0) scale(1.04); opacity: 1; }
}

.ai-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ai-accent);
  font-family: var(--ai-display-en);
  font-size: 15px;
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0;
  animation: ai-rise 0.9s var(--ai-ease) 0.05s forwards;
}

.ai-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--ai-accent);
  box-shadow: none;
}

.ai-hero h1,
.ai-hero .ai-hero-title {
  font-family: var(--ai-serif);
  font-size: clamp(48px, 8vw, 92px);
  line-height: 1.08;
  font-weight: 700;
  margin: 20px 0 18px;
  letter-spacing: 0.02em;
  max-width: 10em;
  opacity: 0;
  animation: ai-rise 1s var(--ai-ease) 0.15s forwards;
}

.ai-hero-desc {
  max-width: 28em;
  color: var(--ai-muted);
  font-size: 17px;
  line-height: 1.85;
  margin: 0;
  opacity: 0;
  animation: ai-rise 1s var(--ai-ease) 0.28s forwards;
}

.ai-hero-meta {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  opacity: 0;
  animation: ai-rise 1s var(--ai-ease) 0.4s forwards;
}

@keyframes ai-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.ai-chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border: 1px solid var(--ai-line-strong);
  border-radius: 2px;
  color: var(--ai-text) !important;
  text-decoration: none !important;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: rgba(242, 235, 227, 0.03);
  transition: border-color 0.3s var(--ai-ease), background 0.3s var(--ai-ease), color 0.3s var(--ai-ease);
}

.ai-chip:hover {
  border-color: var(--ai-accent);
  background: rgba(196, 165, 116, 0.1);
  color: var(--ai-accent-soft) !important;
}

/* ----- Section ----- */
.ai-section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin: 8px 0 28px;
  padding-top: 28px;
  border-top: 1px solid var(--ai-line);
}

.ai-section-title h2 {
  font-family: var(--ai-serif);
  font-size: 13px;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ai-accent-soft);
}

.ai-section-title span {
  color: var(--ai-faint);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ----- Editorial pieces (not “cards”) ----- */
.ai-card,
.ai-featured .wp-block-post,
.wp-block-post-template .wp-block-post > .wp-block-group.ai-card {
  background: transparent;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  height: 100%;
  transition: transform 0.45s var(--ai-ease);
}

.wp-block-post-template.is-layout-grid {
  gap: 0 !important;
  column-gap: 40px !important;
  row-gap: 0 !important;
}

.wp-block-post-template.is-layout-grid > .wp-block-post {
  border-top: 1px solid var(--ai-line);
  padding: 28px 0 32px;
}

.ai-featured .wp-block-post > .ai-card {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 36px;
  align-items: stretch;
  padding: 8px 0 40px;
  border-bottom: 1px solid var(--ai-line);
}

.ai-featured .ai-cover {
  height: 100%;
  min-height: 320px;
}

.ai-card:hover,
.ai-featured .wp-block-post:hover {
  transform: none;
  box-shadow: none;
}

.ai-card:hover .ai-cover,
.ai-featured .wp-block-post:hover .ai-cover {
  transform: scale(1.02);
}

.ai-card .wp-block-post-title,
.ai-featured .wp-block-post-title {
  font-family: var(--ai-serif);
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.35;
  margin: 0 0 12px;
  font-weight: 700;
}

.ai-featured .wp-block-post-title {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.ai-card .wp-block-post-title a,
.ai-featured .wp-block-post-title a {
  color: var(--ai-text) !important;
  text-decoration: none;
  background-image: linear-gradient(var(--ai-accent), var(--ai-accent));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0 1px;
  transition: background-size 0.4s var(--ai-ease), color 0.3s var(--ai-ease);
}

.ai-card .wp-block-post-title a:hover,
.ai-featured .wp-block-post-title a:hover {
  color: var(--ai-accent-soft) !important;
  background-size: 100% 1px;
}

.ai-card .wp-block-post-excerpt p,
.ai-featured .wp-block-post-excerpt p {
  color: var(--ai-muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

.ai-card .wp-block-post-date,
.ai-featured .wp-block-post-date,
.ai-card .wp-block-post-terms a,
.ai-featured .wp-block-post-terms a {
  color: var(--ai-faint);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
}

.ai-card .wp-block-post-terms a,
.ai-featured .wp-block-post-terms a {
  color: var(--ai-accent) !important;
}

.ai-cover {
  position: relative;
  height: 200px;
  display: flex;
  align-items: flex-end;
  padding: 18px;
  overflow: hidden;
  border-radius: 2px;
  transition: transform 0.7s var(--ai-ease);
  background:
    linear-gradient(160deg, rgba(196, 165, 116, 0.22), transparent 42%),
    linear-gradient(340deg, rgba(40, 32, 24, 0.9), #12100e 70%),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 10px,
      rgba(196, 165, 116, 0.04) 10px,
      rgba(196, 165, 116, 0.04) 11px
    );
}

.ai-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, hsla(var(--h), 28%, 48%, 0.35), transparent 45%),
    radial-gradient(circle at 80% 70%, hsla(calc(var(--h) + 20), 20%, 35%, 0.25), transparent 50%);
  mix-blend-mode: soft-light;
}

.ai-cover-kicker {
  position: relative;
  z-index: 1;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ai-text);
  background: rgba(11, 10, 9, 0.55);
  border: 1px solid var(--ai-line-strong);
  border-radius: 2px;
  padding: 6px 10px;
  backdrop-filter: blur(8px);
}

.ai-card-body {
  padding: 4px 0 0;
}

.ai-featured .ai-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 12px 0;
}

/* ----- Single / page ----- */
.single .wp-block-post-title,
.page .wp-block-post-title {
  font-family: var(--ai-serif);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.single .entry-content,
.single .wp-block-post-content,
.page .wp-block-post-content {
  font-size: 18px;
  line-height: 1.95;
  color: #ddd4c8;
}

.single .wp-block-post-content p {
  margin: 0 0 1.25em;
}

.single .wp-block-post-content h2,
.single .wp-block-post-content h3 {
  margin-top: 1.8em;
  font-family: var(--ai-serif);
  color: var(--ai-text);
}

.single .wp-block-post-content ul,
.single .wp-block-post-content ol,
.page .wp-block-post-content ul,
.page .wp-block-post-content ol {
  margin: 0 0 1.3em;
  padding-left: 1.35em;
}

.single .wp-block-post-content li,
.page .wp-block-post-content li {
  margin: 0.4em 0;
}

.single .wp-block-post-content .wp-block-code,
.page .wp-block-post-content .wp-block-code {
  background: var(--ai-surface);
  border: 1px solid var(--ai-line);
  border-radius: 2px;
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0 0 1.3em;
}

.single .wp-block-post-content code,
.page .wp-block-post-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  color: var(--ai-accent-soft);
}

.ai-article-kicker .wp-block-post-terms a {
  color: var(--ai-accent) !important;
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* ----- Footer ----- */
.ai-footer {
  margin-top: 96px;
  border-top: 1px solid var(--ai-line);
  background: #080706 !important;
}

.ai-footer .wp-block-site-title a {
  font-family: var(--ai-serif);
  color: var(--ai-text) !important;
  text-decoration: none;
}

.ai-footer a {
  color: var(--ai-muted) !important;
  text-decoration: none;
}

.ai-footer a:hover {
  color: var(--ai-accent-soft) !important;
}

.ai-footer-copy {
  color: var(--ai-faint);
  font-size: 13px;
  line-height: 1.7;
}

/* ----- Query pagination ----- */
.wp-block-query-pagination {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--ai-line);
}

.wp-block-query-pagination a {
  color: var(--ai-muted) !important;
  text-decoration: none;
  border: 1px solid var(--ai-line);
  border-radius: 2px;
  padding: 10px 16px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: border-color 0.3s var(--ai-ease), color 0.3s var(--ai-ease);
}

.wp-block-query-pagination a:hover {
  border-color: var(--ai-accent);
  color: var(--ai-accent-soft) !important;
}

.ai-empty h1 {
  font-family: var(--ai-serif);
}

input[type="search"],
.wp-block-search__input {
  background: var(--ai-surface);
  border: 1px solid var(--ai-line);
  color: var(--ai-text);
  border-radius: 2px;
  padding: 12px 14px;
}

.wp-block-search__button {
  background: var(--ai-accent) !important;
  color: var(--ai-ink) !important;
  border-radius: 2px !important;
  font-weight: 600;
}

@media (max-width: 900px) {
  .ai-featured .wp-block-post > .ai-card {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .ai-featured .ai-cover {
    min-height: 220px;
  }
}

@media (max-width: 781px) {
  .ai-hero {
    padding: 56px 0 40px !important;
    min-height: auto;
  }

  .ai-hero h1,
  .ai-hero .ai-hero-title {
    font-size: clamp(40px, 12vw, 56px);
  }

  .ai-card .wp-block-post-title {
    font-size: 22px;
  }

  .wp-block-post-template.is-layout-grid {
    column-gap: 0 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-hero::before,
  .ai-kicker,
  .ai-hero .ai-hero-title,
  .ai-hero-desc,
  .ai-hero-meta,
  .ai-cover {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}
/* ============================================================
 * AI Frontier — Commercial Pack (v3.0)
 * Ad slots, cookie banner, newsletter, related posts
 * ============================================================ */

/* ---------- Ad slot ---------- */
.ai-ad {
  margin: 32px auto;
  padding: 0;
  max-width: 100%;
  text-align: center;
  clear: both;
  display: block;
}
.ai-ad ins.adsbygoogle {
  display: block;
  margin: 0 auto;
}
.ai-ad--placeholder {
  border: 1px dashed rgba(170, 130, 70, 0.35);
  background: rgba(255, 245, 232, 0.35);
  padding: 36px 16px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(60, 40, 20, 0.55);
  text-transform: uppercase;
  font-family: var(--sans, "Noto Sans SC"), sans-serif;
  border-radius: 2px;
}
.ai-ad-label { display: block; }
.ai-ad--incontent {
  margin: 28px auto;
}

/* ---------- Cookie consent ---------- */
.ai-cookie {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 9999;
  background: #fffaf2;
  border: 1px solid rgba(170, 130, 70, 0.4);
  border-radius: 6px;
  box-shadow: 0 8px 28px rgba(40, 25, 10, 0.18);
  font-family: var(--sans, "Noto Sans SC"), sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: #2a201a;
  max-width: 720px;
  margin: 0 auto;
}
.ai-cookie[hidden] { display: none; }
.ai-cookie__inner {
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ai-cookie__msg { margin: 0; }
.ai-cookie__msg a { color: #aa8246; text-decoration: underline; }
.ai-cookie__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.ai-cookie__btn {
  appearance: none;
  border: 1px solid rgba(170, 130, 70, 0.45);
  background: transparent;
  color: #5a3d1c;
  padding: 6px 14px;
  border-radius: 3px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  display: inline-block;
}
.ai-cookie__btn:hover { background: rgba(170, 130, 70, 0.08); }
.ai-cookie__btn--accept {
  background: #aa8246;
  color: #fff;
  border-color: #aa8246;
}
.ai-cookie__btn--accept:hover {
  background: #8d6a37;
  border-color: #8d6a37;
  color: #fff;
}

/* ---------- Newsletter ---------- */
.ai-newsletter {
  margin: 40px auto;
  padding: 28px 24px;
  max-width: 640px;
  border: 1px solid rgba(170, 130, 70, 0.3);
  border-radius: 6px;
  background: linear-gradient(180deg, #fffaf2 0%, #fdf3e1 100%);
  text-align: center;
  font-family: var(--sans, "Noto Sans SC"), sans-serif;
}
.ai-newsletter__kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #aa8246;
  margin-bottom: 8px;
}
.ai-newsletter__title {
  font-family: var(--serif, "Noto Serif SC"), serif;
  font-size: 24px;
  margin: 4px 0 8px;
  color: #2a201a;
}
.ai-newsletter__desc {
  font-size: 14px;
  color: #5a4632;
  margin: 0 0 14px;
  line-height: 1.5;
}
.ai-newsletter__form {
  display: flex;
  gap: 6px;
  max-width: 420px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.ai-newsletter__form input[type="email"] {
  flex: 1 1 220px;
  padding: 9px 12px;
  border: 1px solid rgba(170, 130, 70, 0.45);
  border-radius: 3px;
  background: #fff;
  font-size: 14px;
  font-family: inherit;
  color: #2a201a;
}
.ai-newsletter__form button {
  padding: 9px 18px;
  border: 0;
  border-radius: 3px;
  background: #aa8246;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}
.ai-newsletter__form button:hover { background: #8d6a37; }
.ai-newsletter__small {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  color: #8c7458;
}

/* ---------- Related posts ---------- */
.ai-related {
  margin: 40px auto;
  max-width: 720px;
  padding: 24px 0 8px;
  border-top: 1px solid rgba(170, 130, 70, 0.25);
  font-family: var(--sans, "Noto Sans SC"), sans-serif;
}
.ai-related__title {
  font-family: var(--serif, "Noto Serif SC"), serif;
  font-size: 20px;
  margin: 0 0 16px;
  color: #2a201a;
}
.ai-related__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.ai-related__item a {
  display: flex;
  gap: 12px;
  text-decoration: none;
  color: #2a201a;
  padding: 8px;
  border-radius: 4px;
  transition: background 0.15s ease;
}
.ai-related__item a:hover { background: rgba(170, 130, 70, 0.06); }
.ai-related__thumb {
  flex: 0 0 64px;
  width: 64px;
  height: 64px;
  overflow: hidden;
  border-radius: 3px;
  background: #efe3d0;
}
.ai-related__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ai-related__text { flex: 1; min-width: 0; }
.ai-related__cat {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #aa8246;
  margin-bottom: 2px;
}
.ai-related__headline {
  display: block;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.35;
  color: #2a201a;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 600px) {
  .ai-related__list { grid-template-columns: 1fr; }
  .ai-cookie { left: 8px; right: 8px; bottom: 8px; }
  .ai-newsletter { padding: 20px 16px; }
}