/*
Theme Name: V2CE Diagnostic Atlas
Theme URI: https://v2ce.com/
Author: V2CE Editorial Team
Description: Evidence-first diagnostic knowledge base for V2CE.
Version: 0.2.0
Requires at least: 6.5
Requires PHP: 7.4
Text Domain: v2ce-atlas
*/

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@500;600;700&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap");

:root {
  --v2ce-ink: #0e172a;
  --v2ce-muted: #56627a;
  --v2ce-line: #dce3ee;
  --v2ce-blue: #1a4ce5;
  --v2ce-blue-dark: #0a2ca8;
  --v2ce-pale: #f2f6ff;
  --v2ce-navy: #061633;
  --v2ce-green: #0b8c55;
  --v2ce-green-pale: #e9fbf3;
  --v2ce-white: #fff;
  color: var(--v2ce-ink);
  background: var(--v2ce-white);
  font-family: "Noto Sans SC", Inter, system-ui, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; min-height: 100vh; color: var(--v2ce-ink); background: var(--v2ce-white); -webkit-font-smoothing: antialiased; }
body.admin-bar .site-header { top: 32px; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.screen-reader-text:focus { position: fixed; z-index: 100000; top: 10px; left: 10px; width: auto; height: auto; padding: 12px 16px; clip: auto; color: var(--v2ce-ink); background: white; }

.site-header { position: sticky; z-index: 50; top: 0; height: 80px; padding: 0 max(6vw, 40px); display: flex; align-items: center; border-bottom: 1px solid var(--v2ce-line); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.brand { display: grid; gap: 1px; }
.brand b { color: var(--v2ce-blue); font: 700 24px Inter, sans-serif; letter-spacing: -.04em; }
.brand small { color: var(--v2ce-muted); font: 600 9px Inter, sans-serif; letter-spacing: .02em; }
.site-nav { display: flex; align-items: center; gap: 38px; margin-left: auto; }
.site-nav a { padding: 30px 0 27px; border-bottom: 3px solid transparent; color: var(--v2ce-muted); font-size: 14px; font-weight: 600; }
.site-nav a:hover, .site-nav a:focus, .site-nav .current-menu-item > a { color: var(--v2ce-blue); border-bottom-color: var(--v2ce-blue); }
.language-link { margin-left: 48px; color: var(--v2ce-muted); font-size: 13px; }
.menu-toggle { display: none; margin-left: auto; padding: 8px 12px; border: 1px solid var(--v2ce-line); border-radius: 10px; color: var(--v2ce-ink); background: white; }

.hero { min-height: 520px; padding: 68px max(6vw, 40px) 54px; display: grid; grid-template-columns: minmax(0, 920px) 258px; gap: clamp(44px, 7vw, 92px); align-items: start; background: var(--v2ce-pale); }
.eyebrow { margin: 0 0 18px; color: var(--v2ce-blue); font: 700 12px Inter, sans-serif; letter-spacing: .035em; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin-bottom: 18px; font-size: clamp(38px, 3.65vw, 52px); font-weight: 800; line-height: 1.14; letter-spacing: -.045em; }
.hero-summary { max-width: 760px; margin-bottom: 30px; color: var(--v2ce-muted); font-size: 18px; line-height: 1.8; }
.diagnostic-search { min-height: 72px; padding: 10px; display: flex; align-items: center; gap: 16px; border: 1px solid #a8bce9; border-radius: 16px; background: white; box-shadow: 0 12px 36px rgba(26,76,229,.1); }
.diagnostic-search label { flex: 1; min-width: 0; }
.diagnostic-search input { width: 100%; min-height: 50px; padding: 0 14px; border: 0; outline: 0; color: var(--v2ce-ink); background: transparent; font-size: 16px; }
.diagnostic-search input::placeholder { color: #7a879e; }
.diagnostic-search button { min-height: 52px; padding: 0 38px; border: 0; border-radius: 12px; color: white; background: var(--v2ce-blue); font-weight: 700; box-shadow: 0 7px 20px rgba(26,76,229,.24); }
.diagnostic-search button:hover, .diagnostic-search button:focus { background: var(--v2ce-blue-dark); }
.quick-searches { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.quick-searches a { min-height: 34px; padding: 7px 14px; border: 1px solid var(--v2ce-line); border-radius: 999px; color: var(--v2ce-muted); background: white; font-size: 12px; }
.quick-searches a:hover, .quick-searches a:focus { color: var(--v2ce-blue); border-color: #9eb4ec; }
.metrics { display: flex; flex-wrap: wrap; gap: 64px; margin-top: 34px; }
.metrics div { display: flex; align-items: baseline; gap: 14px; }
.metrics b { font: 700 20px Inter, sans-serif; }
.metrics span { color: var(--v2ce-muted); font-size: 11px; }
.proof-card { margin-top: 76px; min-height: 150px; padding: 22px; display: grid; align-content: center; gap: 7px; border-radius: 20px; color: white; background: var(--v2ce-navy); box-shadow: 0 20px 50px rgba(6,22,51,.14); }
.proof-card span { margin-bottom: 5px; color: #7aaeff; font-size: 11px; font-weight: 700; }
.proof-card strong { font-size: 17px; }

.section { padding: 58px max(6vw, 40px); }
.section h2, .featured h2, .trust h2 { margin-bottom: 12px; font-size: clamp(27px, 2.5vw, 34px); line-height: 1.32; letter-spacing: -.03em; }
.section-summary { margin-bottom: 34px; color: var(--v2ce-muted); font-size: 15px; line-height: 1.7; }
.layer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.layer-card { min-height: 150px; padding: 20px; display: grid; grid-template-columns: 1fr; gap: 10px; text-align: left; color: var(--v2ce-ink); border: 1px solid var(--v2ce-line); border-radius: 18px; background: white; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.layer-card:hover, .layer-card:focus { transform: translateY(-2px); border-color: #9eb4ec; box-shadow: 0 10px 24px rgba(22,48,96,.08); }
.layer-card.is-active { border: 2px solid #6790ff; background: var(--v2ce-pale); box-shadow: 0 10px 28px rgba(26,76,229,.1); }
.layer-card .layer-number { color: var(--v2ce-blue); font: 700 12px Inter, sans-serif; }
.layer-card strong { font-size: 18px; }
.layer-card > span:not(.layer-number) { color: var(--v2ce-muted); font-size: 13px; }
.layer-card small { color: var(--v2ce-blue); font-size: 12px; font-weight: 700; }
.diagnostic-path { margin-top: 30px; min-height: 82px; padding: 20px 24px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; border-radius: 18px; color: white; background: var(--v2ce-navy); }
.diagnostic-path div { display: flex; align-items: center; gap: 14px; }
.diagnostic-path i { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; color: white; background: var(--v2ce-blue); font: normal 700 12px Inter, sans-serif; }
.diagnostic-path div:last-child i { background: var(--v2ce-green); }
.diagnostic-path span { font-size: 13px; font-weight: 600; white-space: nowrap; }

.featured { scroll-margin-top: 80px; padding: 56px max(6vw, 40px); background: var(--v2ce-pale); }
.featured-inner { max-width: 1264px; margin: auto; }
.solution-card { padding: 34px; display: grid; grid-template-columns: minmax(0, 1fr) 364px; gap: 56px; border: 1px solid var(--v2ce-line); border-radius: 22px; background: white; }
.solution-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.verified-badge, .review-badge { min-height: 30px; padding: 5px 12px; display: inline-flex; align-items: center; border-radius: 999px; color: var(--v2ce-green); background: var(--v2ce-green-pale); font-size: 12px; font-weight: 700; }
.review-badge { color: #8a5700; background: #fff4d8; }
.solution-meta small { color: var(--v2ce-muted); font-size: 12px; }
.solution-card h2 { max-width: 800px; font-size: clamp(24px, 2.2vw, 30px); }
.solution-card h2 a:hover, .solution-card h2 a:focus { color: var(--v2ce-blue); }
.solution-card p { color: var(--v2ce-muted); font-size: 14px; line-height: 1.75; }
.solution-card dl { margin: 30px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.solution-card dt { margin-bottom: 7px; color: var(--v2ce-muted); font-size: 11px; }
.solution-card dd { margin: 0; font-size: 13px; font-weight: 700; }
.command-card { min-height: 224px; padding: 22px; border-radius: 16px; color: white; background: var(--v2ce-navy); }
.command-card > span { color: #7aaeff; font-size: 12px; font-weight: 700; }
.command-card ol { margin: 18px 0 0; padding-left: 26px; }
.command-card li { padding-left: 6px; margin: 0 0 14px; color: #9cb1d0; font: 600 12px Inter, sans-serif; }
.command-card code { color: white; white-space: normal; }

.recent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.post-card { min-height: 248px; padding: 22px; display: flex; flex-direction: column; border: 1px solid var(--v2ce-line); border-radius: 18px; background: white; }
.post-card .post-category { color: var(--v2ce-blue); font-size: 12px; font-weight: 700; }
.post-card h3 { margin: 18px 0 12px; font-size: 18px; line-height: 1.55; }
.post-card h3 a:hover, .post-card h3 a:focus { color: var(--v2ce-blue); }
.post-card p { color: var(--v2ce-muted); font-size: 12px; line-height: 1.7; }
.post-card .read-link { margin-top: auto; color: var(--v2ce-blue); font-size: 13px; font-weight: 700; }

.trust { padding: 40px max(6vw, 40px); display: flex; align-items: center; justify-content: space-between; gap: 40px; color: white; background: var(--v2ce-navy); }
.trust h2 { margin-bottom: 10px; font-size: 24px; }
.trust p { margin-bottom: 0; color: #adbed8; font-size: 13px; }
.trust ul { margin: 0; padding: 0; display: flex; gap: 44px; list-style: none; font-size: 13px; font-weight: 600; }
.site-footer { min-height: 76px; padding: 24px max(6vw, 40px); display: flex; align-items: center; justify-content: space-between; gap: 30px; font-size: 12px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 22px; color: var(--v2ce-muted); }

.content-shell { width: min(1180px, calc(100% - 48px)); margin: 52px auto 80px; }
.content-grid { display: grid; grid-template-columns: minmax(0, 820px) 280px; gap: 56px; align-items: start; }
.article-header { margin-bottom: 30px; }
.article-header .eyebrow { margin-bottom: 12px; }
.article-header h1 { margin-bottom: 16px; font-size: clamp(34px, 4vw, 52px); line-height: 1.25; letter-spacing: -.035em; }
.article-meta { display: flex; flex-wrap: wrap; gap: 14px; color: var(--v2ce-muted); font-size: 12px; }
.evidence-box { margin: 26px 0; padding: 22px; border: 1px solid #bfd0f6; border-radius: 16px; background: var(--v2ce-pale); }
.evidence-box h2 { margin-bottom: 18px; font-size: 18px; }
.evidence-box dl { margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 24px; }
.evidence-box dt { color: var(--v2ce-muted); font-size: 11px; }
.evidence-box dd { margin: 4px 0 0; font-size: 13px; font-weight: 700; }
.entry-content { color: #243047; font-size: 17px; line-height: 1.9; }
.entry-content h2 { margin: 44px 0 18px; font-size: 28px; }
.entry-content h3 { margin: 34px 0 14px; font-size: 22px; }
.entry-content pre { padding: 20px; overflow-x: auto; border-radius: 14px; color: #e8efff; background: var(--v2ce-navy); }
.entry-content code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.entry-content a { color: var(--v2ce-blue); text-decoration: underline; text-underline-offset: 3px; }
.entry-content img { border-radius: 14px; }
.article-sidebar { position: sticky; top: 108px; padding: 22px; border: 1px solid var(--v2ce-line); border-radius: 16px; }
.article-sidebar h2 { font-size: 17px; }
.article-sidebar ul { margin: 0; padding-left: 18px; color: var(--v2ce-muted); font-size: 13px; line-height: 1.9; }
.archive-header { margin-bottom: 34px; }
.archive-header h1 { font-size: clamp(32px, 4vw, 48px); }
.pagination { margin-top: 40px; }
.nav-links { display: flex; flex-wrap: wrap; gap: 8px; }
.page-numbers { min-width: 40px; min-height: 40px; padding: 9px 12px; border: 1px solid var(--v2ce-line); border-radius: 10px; text-align: center; }
.page-numbers.current { color: white; border-color: var(--v2ce-blue); background: var(--v2ce-blue); }
.empty-state { padding: 56px; border: 1px solid var(--v2ce-line); border-radius: 18px; text-align: center; }

@media (max-width: 980px) {
  body.admin-bar .site-header { top: 46px; }
  .site-header { padding-inline: 24px; }
  .site-nav { position: absolute; top: 80px; left: 0; right: 0; padding: 18px 24px; display: none; flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--v2ce-line); background: white; }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 0; }
  .menu-toggle { display: inline-flex; }
  .language-link { margin-left: 12px; }
  .hero { grid-template-columns: 1fr; padding-inline: 24px; }
  .proof-card { margin-top: 0; max-width: 440px; }
  .section, .featured, .trust, .site-footer { padding-left: 24px; padding-right: 24px; }
  .layer-grid, .recent-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-card { grid-template-columns: 1fr; }
  .diagnostic-path { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .trust { align-items: flex-start; flex-direction: column; }
  .content-grid { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}

@media (max-width: 640px) {
  .site-header { height: 68px; }
  .site-nav { top: 68px; }
  .brand small { display: none; }
  .hero { min-height: auto; padding-top: 48px; }
  .hero h1 { font-size: 39px; }
  .hero-summary { font-size: 16px; }
  .diagnostic-search { align-items: stretch; flex-direction: column; }
  .diagnostic-search button { width: 100%; }
  .metrics { gap: 22px; justify-content: space-between; }
  .metrics div { display: grid; gap: 2px; }
  .layer-grid, .recent-grid { grid-template-columns: 1fr; }
  .diagnostic-path { grid-template-columns: 1fr; }
  .solution-card { padding: 22px; gap: 28px; }
  .solution-meta { align-items: flex-start; flex-direction: column; gap: 10px; }
  .solution-card dl, .evidence-box dl { grid-template-columns: 1fr; gap: 16px; }
  .trust ul { align-items: flex-start; flex-direction: column; gap: 14px; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .content-shell { width: min(100% - 32px, 1180px); margin-top: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}