/*
Theme Name: UsageVault Blog
Theme URI: https://blog.vault.daxsolver.com/
Author: DAX SOLVER, INC.
Author URI: https://vault.daxsolver.com/
Description: Editorial theme for practical Power BI usage, adoption, and governance guidance.
Version: 2.0.0
Requires at least: 6.5
Requires PHP: 8.1
Text Domain: usagevault
*/

:root {
  --ink: #0e2b26;
  --ink-2: #3f524d;
  --muted: #64746f;
  --brand: #12594c;
  --brand-deep: #0d2925;
  --mint: #c8f3df;
  --tint: #f2f8f5;
  --paper: #fff;
  --paper-2: #f8faf9;
  --line: #e2e9e5;
  --line-strong: #cbd8d2;
  --sans: "Instrument Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --max: 1180px;
  --reading: 760px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
body.admin-bar .site-header { top: 32px; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--brand-deep); }
button, input { font: inherit; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }
.container { width: min(100%, var(--max)); margin-inline: auto; padding-inline: 28px; }
.skip-link {
  position: fixed; z-index: 1000; top: 8px; left: 8px; padding: 10px 16px;
  color: #fff; background: var(--brand); transform: translateY(-160%);
}
.skip-link:focus { color: #fff; transform: none; }
.eyebrow {
  display: block; color: var(--brand); font: 500 12px/1.4 var(--mono);
  letter-spacing: .07em; text-transform: uppercase;
}

.site-header {
  position: sticky; z-index: 50; top: 0; background: rgba(255,255,255,.95);
  border-bottom: 1px solid var(--line); backdrop-filter: blur(10px);
}
.header-inner { min-height: 70px; display: flex; align-items: center; gap: 38px; }
.brand {
  display: inline-flex; align-items: center; gap: 10px; color: var(--ink);
  font-size: 20px; font-weight: 700; letter-spacing: -.035em; text-decoration: none;
}
.brand:hover { color: var(--ink); }
.brand-mark { width: 28px; height: 28px; flex: none; }
.brand-section { color: var(--muted); font-weight: 500; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 25px; }
.site-nav a { color: var(--ink-2); font-size: 15px; font-weight: 500; text-decoration: none; }
.site-nav a:hover { color: var(--brand); }
.site-nav .nav-cta {
  padding: 10px 16px; color: #fff; background: var(--brand);
  border-radius: 6px;
}
.site-nav .nav-cta:hover { color: #fff; background: var(--brand-deep); }
.nav-toggle { display: none; margin-left: auto; padding: 8px 0; color: var(--ink); background: none; border: 0; }

.blog-hero {
  position: relative; overflow: hidden; padding: 88px 0 78px;
  background: var(--brand-deep); color: #fff;
}
.blog-hero::after {
  content: ""; position: absolute; right: -12vw; bottom: -210px; width: 560px; height: 560px;
  border: 1px solid rgba(200,243,223,.25); transform: rotate(34deg);
}
.blog-hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }
.blog-hero .eyebrow { color: var(--mint); }
.blog-hero h1 {
  max-width: 760px; margin: 18px 0 0; font-size: clamp(44px, 6vw, 72px);
  line-height: .98; letter-spacing: -.05em; text-wrap: balance;
}
.blog-hero p { max-width: 520px; margin: 0 0 7px; color: #bfd2cc; font-size: 19px; line-height: 1.55; }

.posts-section { padding: 74px 0 96px; }
.section-head { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 30px; }
.section-head h2 { margin: 8px 0 0; font-size: 32px; letter-spacing: -.035em; }
.section-head p { max-width: 450px; margin: 0; color: var(--muted); font-size: 15px; }
.post-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.post-card {
  position: relative; display: flex; flex-direction: column; min-height: 360px; padding: 34px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.post-card:first-child { grid-column: 1 / -1; min-height: 390px; background: var(--tint); }
.post-card:hover { transform: translateY(-3px); border-color: var(--line-strong); box-shadow: 0 20px 45px -35px rgba(14,43,38,.55); }
.post-card__meta { color: var(--brand); font: 500 11px/1.5 var(--mono); letter-spacing: .055em; text-transform: uppercase; }
.post-card h2 { max-width: 760px; margin: 25px 0 14px; font-size: clamp(29px, 3.6vw, 45px); line-height: 1.08; letter-spacing: -.045em; text-wrap: balance; }
.post-card:not(:first-child) h2 { font-size: 27px; }
.post-card h2 a { color: var(--ink); text-decoration: none; }
.post-card h2 a::after { content: ""; position: absolute; inset: 0; }
.post-card p { max-width: 690px; margin: 0; color: var(--ink-2); }
.post-card__foot { margin-top: auto; padding-top: 35px; color: var(--muted); font-size: 14px; }
.empty-state { padding: 44px; background: var(--tint); border: 1px solid var(--line); border-radius: 10px; }
.pagination { margin-top: 40px; }
.pagination .nav-links { display: flex; gap: 10px; }
.page-numbers { padding: 8px 12px; border: 1px solid var(--line); border-radius: 5px; text-decoration: none; }
.page-numbers.current { color: #fff; background: var(--brand); border-color: var(--brand); }

.article-head { padding: 76px 0 52px; background: var(--tint); border-bottom: 1px solid var(--line); }
.article-head__inner { width: min(100%, 940px); margin-inline: auto; padding-inline: 28px; }
.article-kicker { display: flex; flex-wrap: wrap; gap: 9px 18px; align-items: center; color: var(--brand); font: 500 11.5px/1.5 var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.article-head h1 {
  margin: 22px 0 21px; font-size: clamp(42px, 6.3vw, 68px); line-height: 1.02;
  letter-spacing: -.052em; text-wrap: balance;
}
.article-deck { max-width: 760px; margin: 0; color: var(--ink-2); font-size: 21px; line-height: 1.5; }
.article-byline { display: flex; flex-wrap: wrap; gap: 9px 20px; margin-top: 27px; color: var(--muted); font-size: 14px; }
.article-byline strong { color: var(--ink); }

.article-layout { display: grid; grid-template-columns: minmax(0, var(--reading)) 240px; justify-content: center; gap: 70px; padding: 66px 28px 100px; }
.article-content { min-width: 0; }
.article-content > *:first-child { margin-top: 0; }
.article-content p { margin: 0 0 25px; }
.article-content h2 { margin: 58px 0 19px; font-size: 34px; line-height: 1.18; letter-spacing: -.035em; text-wrap: balance; }
.article-content h3 { margin: 38px 0 13px; font-size: 23px; line-height: 1.25; letter-spacing: -.02em; }
.article-content ul, .article-content ol { margin: 0 0 28px; padding-left: 25px; }
.article-content li { margin: 9px 0; padding-left: 5px; }
.article-content blockquote {
  margin: 38px 0; padding: 26px 28px; color: var(--ink);
  background: var(--tint); border-left: 4px solid var(--brand); border-radius: 0 8px 8px 0;
}
.article-content blockquote p { margin: 0; font-size: 20px; line-height: 1.5; }
.article-content table { width: 100%; margin: 30px 0; border-collapse: collapse; font-size: 15px; }
.article-content th, .article-content td { padding: 13px 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.article-content th { background: var(--tint); font-weight: 600; }
.article-content .answer-box {
  margin-bottom: 38px; padding: 27px 29px; background: var(--brand-deep);
  color: #fff; border-radius: 9px;
}
.article-content .answer-box p { margin: 0; color: #d9e8e3; font-size: 19px; }
.article-content .answer-box strong { color: #fff; }
.article-content .callout {
  margin: 38px 0; padding: 28px 30px; background: var(--tint);
  border: 1px solid var(--line-strong); border-radius: 9px;
}
.article-content .callout h2, .article-content .callout h3 { margin-top: 0; }
.article-content .callout > *:last-child { margin-bottom: 0; }
.article-content .cta-box {
  margin-top: 58px; padding: 36px; color: #fff; background: var(--brand-deep); border-radius: 10px;
}
.article-content .cta-box h2 { margin: 0 0 13px; color: #fff; font-size: 30px; }
.article-content .cta-box p { color: #c8d9d4; }
.article-content .cta-button {
  display: inline-flex; padding: 12px 18px; color: var(--brand-deep); background: var(--mint);
  border-radius: 6px; font-weight: 650; text-decoration: none;
}
.article-content .cta-button:hover { color: var(--brand-deep); background: #e2faee; }

.article-aside { align-self: start; position: sticky; top: 100px; padding: 22px 0; border-block: 1px solid var(--line); }
.article-aside strong { display: block; margin-bottom: 12px; font: 500 11px/1.5 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.article-aside a { display: block; margin: 8px 0; color: var(--ink-2); font-size: 14px; line-height: 1.45; text-decoration: none; }
.article-aside a:hover { color: var(--brand); }
.article-aside__cta { margin-top: 22px !important; padding-top: 18px; color: var(--brand) !important; border-top: 1px solid var(--line); font-weight: 600; }
.article-breadcrumb { display: flex; gap: 8px; margin-bottom: 23px; color: var(--muted); font: 500 11px/1.5 var(--mono); letter-spacing: .045em; text-transform: uppercase; }
.article-breadcrumb a { color: var(--muted); text-decoration: none; }
.article-breadcrumb a:hover { color: var(--brand); }

/* Editorial library */
.library-hero { position: relative; overflow: hidden; color: #fff; background: var(--brand-deep); }
.library-hero::after { content: ""; position: absolute; top: -230px; right: -120px; width: 600px; height: 600px; border: 1px solid rgba(200,243,223,.2); transform: rotate(34deg); }
.library-hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: 90px; align-items: end; padding-block: 90px 80px; }
.library-hero .eyebrow { color: var(--mint); }
.library-hero__copy h1 { max-width: 790px; margin: 18px 0 24px; font-size: clamp(48px, 6.3vw, 76px); line-height: .98; letter-spacing: -.055em; text-wrap: balance; }
.library-hero__copy p { max-width: 680px; margin: 0; color: #bfd2cc; font-size: 20px; line-height: 1.55; }
.library-hero__index { padding: 25px 0 0; border-top: 1px solid rgba(255,255,255,.22); }
.library-hero__index > span { color: #86aaa1; font: 500 11px/1.5 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.library-hero__index > strong { display: block; margin: 8px 0 21px; color: #fff; font-size: 18px; }
.library-hero__index ul { margin: 0; padding: 0; list-style: none; }
.library-hero__index li { border-top: 1px solid rgba(255,255,255,.1); }
.library-hero__index a { display: flex; justify-content: space-between; gap: 18px; padding: 12px 0; color: #fff; font-weight: 600; text-decoration: none; }
.library-hero__index a span { color: #86aaa1; font-size: 13px; font-weight: 400; }
.library-hero__index a:hover, .library-hero__index a:hover span { color: var(--mint); }

.format-section { padding: 70px 0; border-bottom: 1px solid var(--line); }
.format-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.format-card { position: relative; min-height: 335px; padding: 31px; color: var(--ink); background: #fff; border-right: 1px solid var(--line); text-decoration: none; transition: background .18s ease; }
.format-card:last-child { border-right: 0; }
.format-card:hover { color: var(--ink); background: var(--tint); }
.format-card--future { background: var(--paper-2); }
.format-card__number { position: absolute; top: 28px; right: 30px; color: var(--line-strong); font: 500 28px/1 var(--mono); }
.format-card h2 { max-width: 330px; margin: 45px 0 13px; font-size: 27px; line-height: 1.15; letter-spacing: -.035em; text-wrap: balance; }
.format-card p { max-width: 340px; margin: 0; color: var(--ink-2); font-size: 15px; }
.format-card strong { position: absolute; left: 31px; bottom: 28px; color: var(--brand); font-size: 14px; }

.featured-section { padding: 0 0 76px; }
.featured-resource { display: grid; grid-template-columns: 230px 1fr; gap: 65px; padding-block: 56px; border-bottom: 1px solid var(--line); }
.featured-resource__label > span:last-child { display: block; margin-top: 12px; color: var(--muted); font-size: 14px; }
.featured-resource__copy h2 { max-width: 790px; margin: 0 0 15px; font-size: clamp(34px, 4.5vw, 52px); line-height: 1.06; letter-spacing: -.05em; text-wrap: balance; }
.featured-resource__copy h2 a { color: var(--ink); text-decoration: none; }
.featured-resource__copy h2 a:hover { color: var(--brand); }
.featured-resource__copy > p { max-width: 730px; margin: 0; color: var(--ink-2); font-size: 18px; }
.featured-resource__copy > div { display: flex; gap: 26px; margin-top: 29px; color: var(--muted); font-size: 14px; }
.featured-resource__copy > div a { font-weight: 600; text-decoration: none; }

.library-section { padding: 0 0 88px; }
.library-section--tint { padding: 80px 0 90px; background: var(--paper-2); border-block: 1px solid var(--line); }
.library-section__head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 29px; }
.library-section__head h2 { margin: 7px 0 0; font-size: 39px; line-height: 1.1; letter-spacing: -.045em; }
.library-section__head > a { font-size: 14px; font-weight: 600; text-decoration: none; }
.library-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.library-card { position: relative; display: flex; flex-direction: column; min-height: 350px; padding: 29px; background: #fff; border: 1px solid var(--line); border-radius: 9px; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.library-card:hover { transform: translateY(-3px); border-color: var(--line-strong); box-shadow: 0 20px 42px -34px rgba(14,43,38,.5); }
.library-card__meta { display: flex; justify-content: space-between; gap: 20px; color: var(--brand); font: 500 10.5px/1.5 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.library-card__meta span:last-child { color: var(--muted); text-align: right; }
.library-card h3 { max-width: 540px; margin: 42px 0 14px; font-size: 29px; line-height: 1.12; letter-spacing: -.04em; text-wrap: balance; }
.library-card h3 a { color: var(--ink); text-decoration: none; }
.library-card h3 a::after { content: ""; position: absolute; inset: 0; }
.library-card p { max-width: 570px; margin: 0; color: var(--ink-2); font-size: 15.5px; }
.library-card__foot { display: flex; justify-content: space-between; gap: 20px; margin-top: auto; padding-top: 32px; color: var(--muted); font-size: 13px; }
.library-card--article { min-height: 325px; }

.case-study-band { padding: 78px 0; color: #fff; background: var(--brand-deep); }
.case-study-band .eyebrow { color: var(--mint); }
.case-study-band__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: start; }
.case-study-band h2 { max-width: 540px; margin: 14px 0 0; font-size: 42px; line-height: 1.08; letter-spacing: -.045em; text-wrap: balance; }
.case-study-band p { max-width: 550px; margin: 2px 0 22px; color: #b7ccc6; font-size: 17px; }
.case-study-band a { color: var(--mint); font-weight: 600; text-decoration: none; }
.case-study-band a:hover { color: #fff; }

.archive-hero { padding: 76px 0 64px; background: var(--tint); border-bottom: 1px solid var(--line); }
.archive-hero__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; }
.archive-hero h1 { margin: 13px 0 0; font-size: clamp(48px, 6vw, 70px); line-height: 1; letter-spacing: -.055em; }
.archive-hero p { max-width: 560px; margin: 0 0 6px; color: var(--ink-2); font-size: 19px; }
.archive-section { min-height: 480px; padding: 65px 0 90px; }
.archive-empty { max-width: 800px; padding: 52px; background: var(--tint); border: 1px solid var(--line-strong); border-radius: 10px; }
.archive-empty h2 { margin: 13px 0 14px; font-size: 39px; line-height: 1.1; letter-spacing: -.04em; }
.archive-empty p { max-width: 650px; color: var(--ink-2); }
.archive-empty a { font-weight: 600; text-decoration: none; }

.site-footer { color: #dfeae7; background: var(--brand-deep); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 60px; padding-block: 60px; }
.footer-brand { color: #fff; }
.footer-about p { max-width: 390px; margin: 17px 0 0; color: #a9c3bc; font-size: 14px; }
.footer-links strong { display: block; margin-bottom: 15px; color: #fff; font: 500 11px/1.5 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.footer-links a { display: block; margin: 8px 0; color: #bcd0ca; font-size: 14px; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 18px; color: #78968e; border-top: 1px solid rgba(255,255,255,.1); font: 400 11px/1.5 var(--mono); text-transform: uppercase; }

@media (max-width: 900px) {
  body.admin-bar .site-header { top: 46px; }
  .blog-hero__inner { grid-template-columns: 1fr; gap: 28px; }
  .library-hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .format-grid { grid-template-columns: 1fr; }
  .format-card { min-height: 270px; border-right: 0; border-bottom: 1px solid var(--line); }
  .format-card:last-child { border-bottom: 0; }
  .featured-resource { grid-template-columns: 160px 1fr; gap: 35px; }
  .article-layout { grid-template-columns: minmax(0, var(--reading)); }
  .article-aside { display: none; }
}
@media (max-width: 720px) {
  .container { padding-inline: 20px; }
  .header-inner { min-height: 64px; }
  .brand-section { display: none; }
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0; margin: 0;
    padding: 20px; background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 14px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav .nav-cta { text-align: center; }
  .library-hero__grid { padding-block: 64px 58px; }
  .library-hero__copy h1 { font-size: 47px; }
  .library-hero__copy p { font-size: 18px; }
  .library-hero__index a { flex-direction: column; gap: 1px; }
  .format-section { padding: 44px 0; }
  .format-card { min-height: 290px; padding: 25px; }
  .format-card strong { left: 25px; }
  .featured-section { padding-bottom: 54px; }
  .featured-resource { grid-template-columns: 1fr; gap: 26px; padding-block: 44px; }
  .featured-resource__copy h2 { font-size: 35px; }
  .library-section { padding-bottom: 64px; }
  .library-section--tint { padding-block: 58px 65px; }
  .library-section__head { align-items: start; flex-direction: column; gap: 14px; }
  .library-grid { grid-template-columns: 1fr; }
  .library-card { min-height: 340px; padding: 25px; }
  .library-card h3 { font-size: 27px; }
  .case-study-band { padding-block: 60px; }
  .case-study-band__grid, .archive-hero__grid { grid-template-columns: 1fr; gap: 30px; }
  .case-study-band h2 { font-size: 35px; }
  .archive-hero { padding-block: 54px 45px; }
  .archive-hero h1 { font-size: 49px; }
  .archive-section { padding-block: 45px 68px; }
  .archive-empty { padding: 30px; }
  .blog-hero { padding: 68px 0 58px; }
  .blog-hero h1 { font-size: 47px; }
  .posts-section { padding: 54px 0 70px; }
  .section-head { align-items: start; flex-direction: column; }
  .post-grid { grid-template-columns: 1fr; }
  .post-card:first-child { grid-column: auto; }
  .post-card { min-height: 330px; padding: 27px; }
  .post-card h2, .post-card:not(:first-child) h2 { font-size: 29px; }
  .article-head { padding: 54px 0 42px; }
  .article-head h1 { font-size: 43px; }
  .article-deck { font-size: 19px; }
  .article-layout { padding: 48px 20px 76px; }
  .article-content h2 { margin-top: 46px; font-size: 29px; }
  .article-content table { display: block; overflow-x: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; padding-block: 48px; }
  .footer-bottom { flex-direction: column; }
}