/* ============================================================
   DK Insights — Shared site styles
   Built on DK design tokens
   ============================================================ */

@import url("./dk-colors-type.css");

:root {
  --content-max: 1200px;
  --content-max-wide: 1320px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  font-size: var(--fs-normal);
  line-height: var(--lh-body);
  color: var(--fg-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }

/* ---------- Top announcement strip ---------- */
.dk-topbar {
  background: var(--dk-neon-green);
  color: var(--dk-deep-navy);
  font-size: 13px;
  font-weight: 500;
  padding: 10px 24px;
  text-align: center;
  letter-spacing: 0.01em;
}
.dk-topbar a {
  color: var(--dk-deep-navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.dk-topbar a:hover { color: var(--dk-brand-blue); }

/* ---------- Header ---------- */
.dk-header {
  background: var(--dk-white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.dk-header-inner {
  max-width: var(--content-max-wide);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.dk-header .logo img {
  height: 28px;
  width: 60px;
  aspect-ratio: 500 / 236;
}
.dk-nav {
  display: flex;
  gap: 28px;
  align-items: center;
  flex: 1;
}
.dk-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--dk-deep-navy);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 120ms var(--ease-standard), border-color 120ms var(--ease-standard);
}
.dk-nav a:hover { color: var(--dk-brand-blue); }
.dk-nav a.active {
  color: var(--dk-deep-navy);
  border-bottom-color: var(--dk-neon-green);
}
.dk-header-cta {
  display: flex;
  gap: 12px;
  align-items: center;
}
@media (max-width: 1100px) {
  .dk-header-cta .btn-ghost { display: none; }
}
@media (max-width: 980px) {
  .dk-header-inner { padding: 16px 20px; gap: 16px; }
  .dk-nav { gap: 4px; }
  .dk-nav a { padding: 6px 8px; font-size: 13px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 160ms var(--ease-standard);
}
.btn-primary {
  background: var(--dk-deep-navy);
  color: var(--dk-white);
}
.btn-primary:hover {
  background: var(--dk-brand-blue);
  color: var(--dk-white);
}
.btn-accent {
  background: var(--dk-neon-green);
  color: var(--dk-deep-navy);
}
.btn-accent:hover {
  background: #5BE89C;
  color: var(--dk-deep-navy);
}
.btn-ghost {
  background: transparent;
  color: var(--dk-deep-navy);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--dk-deep-navy);
  color: var(--dk-deep-navy);
}

/* ---------- Layout primitives ---------- */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 32px;
}
.container-wide {
  max-width: var(--content-max-wide);
  margin: 0 auto;
  padding: 0 32px;
}
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-band {
  background: var(--dk-gray-50);
}
.section-navy {
  background: var(--dk-deep-navy);
  color: var(--dk-white);
}
.section-navy h1, .section-navy h2, .section-navy h3, .section-navy h4 { color: var(--dk-white); }
.section-navy .eyebrow { color: var(--dk-neon-green); }

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dk-deep-navy);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--dk-neon-green);
}

/* ---------- DK Arrow bullet (load-bearing brand element) ---------- */
.dk-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.dk-arrow svg { width: 100%; height: 100%; }

ul.dk-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
ul.dk-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 15px;
  color: var(--fg-body);
}
ul.dk-list li .dk-arrow { margin-top: 4px; }

/* ---------- Cards ---------- */
.card {
  background: var(--dk-white);
  border: 1px solid var(--border);
  padding: 32px;
  border-radius: 0;
}
.card-band { background: var(--dk-gray-50); border: 1px solid transparent; }
.card-navy {
  background: var(--dk-deep-navy);
  color: var(--dk-white);
}
.card-navy h3, .card-navy h4 { color: var(--dk-white); }
.card-accent-top {
  position: relative;
  padding-top: 36px;
}
.card-accent-top::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 48px;
  height: 4px;
  background: var(--dk-neon-green);
}

.card-num {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dk-text-light);
  margin-bottom: 10px;
}
.card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.card p {
  font-size: 14.5px;
  color: var(--dk-text-main);
  line-height: 1.65;
  margin: 0 0 12px;
}
.card p:last-child { margin-bottom: 0; }
.card p strong { color: var(--dk-text-dark); font-weight: 600; }

/* ---------- Grids ---------- */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Stat cards ---------- */
.stat {
  background: var(--dk-white);
  border: 1px solid var(--border);
  padding: 24px;
}
.stat-num {
  font-size: 44px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--dk-deep-navy);
}
.stat-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dk-text-light);
  margin-top: 10px;
}
.stat-desc {
  font-size: 13px;
  color: var(--dk-text-main);
  margin-top: 12px;
  line-height: 1.55;
}

/* ---------- Pills ---------- */
.pill {
  display: inline-block;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 2px;
}
.pill-navy { background: var(--dk-deep-navy); color: var(--dk-white); }
.pill-blue { background: rgba(71, 67, 247, 0.12); color: var(--dk-brand-blue); }
.pill-green { background: rgba(112, 249, 174, 0.35); color: var(--dk-deep-navy); }
.pill-warn { background: #FFE9C7; color: #8A4A00; }
.pill-muted { background: var(--dk-gray-50); color: var(--dk-text-main); border: 1px solid var(--border); }

/* ---------- Code ---------- */
code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  padding: 1px 6px;
  background: var(--dk-gray-50);
  color: var(--dk-deep-navy);
  border-radius: 2px;
}

/* ---------- Footer ---------- */
.dk-footer {
  background: var(--dk-deep-navy);
  color: var(--dk-white);
  padding: 64px 0 32px;
}
.dk-footer .container-wide {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
.dk-footer h5 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dk-neon-green);
  margin-bottom: 16px;
}
.dk-footer ul { list-style: none; padding: 0; margin: 0; }
.dk-footer li { padding: 6px 0; font-size: 14px; }
.dk-footer a { color: var(--dk-white); text-decoration: none; opacity: 0.85; }
.dk-footer a:hover { color: var(--dk-neon-green); opacity: 1; }
.dk-footer .footer-logo img { height: 32px; margin-bottom: 16px; }
.dk-footer .footer-tag {
  font-size: 14px;
  opacity: 0.8;
  line-height: 1.55;
  margin-bottom: 16px;
}
.dk-footer-bottom {
  max-width: var(--content-max-wide);
  margin: 48px auto 0;
  padding: 24px 32px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}
@media (max-width: 900px) {
  .dk-footer .container-wide { grid-template-columns: 1fr 1fr; }
}

/* ---------- Mermaid-like diagram boxes ---------- */
.diagram-frame {
  background: var(--dk-white);
  border: 1px solid var(--border);
  padding: 32px;
  overflow: auto;
}

/* ---------- Reading paths ---------- */
.path {
  background: var(--dk-white);
  border: 1px solid var(--border);
  padding: 28px;
  border-top: 3px solid var(--dk-neon-green);
}
.path-num {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dk-brand-blue);
  margin-bottom: 8px;
}
.path-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--dk-deep-navy);
}
.path-audience {
  font-size: 12px;
  color: var(--dk-text-light);
  letter-spacing: 0.04em;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
ol.path-steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 0;
}
ol.path-steps li {
  font-size: 13px;
  color: var(--fg);
  padding: 6px 0 6px 32px;
  position: relative;
  counter-increment: step;
  line-height: 1.5;
}
ol.path-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 6px;
  width: 22px;
  height: 22px;
  background: var(--dk-deep-navy);
  color: var(--dk-white);
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Tables ---------- */
table.dk-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.dk-table th, table.dk-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.dk-table th {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dk-deep-navy);
  background: var(--dk-gray-50);
  border-bottom: 2px solid var(--dk-deep-navy);
}
table.dk-table tr:hover td { background: var(--dk-gray-50); }

/* ---------- Section header ---------- */
.section-head {
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 39px;
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 12px;
  letter-spacing: -0.015em;
}
.section-head p {
  font-size: 16px;
  color: var(--dk-text-main);
  max-width: 680px;
  margin: 0;
}

/* ---------- Hero ---------- */
.page-hero {
  background: var(--dk-white);
  padding: 80px 0 64px;
}
.page-hero h1 {
  font-size: clamp(40px, 5vw, 63px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: 20px;
  color: var(--dk-deep-navy);
}
.page-hero h1 .accent {
  color: var(--dk-brand-blue);
  font-weight: 500;
}
.page-hero h1 .accent-green {
  background: var(--dk-neon-green);
  padding: 0 8px;
}
.page-hero .lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--dk-text-main);
  max-width: 720px;
  margin-bottom: 32px;
}
.page-hero .lead strong { color: var(--dk-deep-navy); font-weight: 600; }

/* ---------- Triangle (3 partner cards) ---------- */
.triangle {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.partner {
  background: var(--dk-white);
  border: 1px solid var(--border);
  padding: 24px;
  border-top: 3px solid var(--dk-deep-navy);
}
.partner.accent-blue { border-top-color: var(--dk-brand-blue); }
.partner.accent-green { border-top-color: var(--dk-neon-green); }
.p-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dk-text-light);
  font-weight: 600;
  margin-bottom: 6px;
}
.p-name {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--dk-deep-navy);
  margin-bottom: 8px;
}
.p-role {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--dk-text-main);
}
@media (max-width: 900px) { .triangle { grid-template-columns: 1fr; } }

/* ---------- TOC sidebar (article pages) ---------- */
.article-layout {
  max-width: var(--content-max-wide);
  margin: 0 auto;
  padding: 64px 32px 96px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
}
.toc {
  position: sticky;
  top: 100px;
  align-self: start;
  font-size: 13px;
}
.toc h6 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dk-text-light);
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.toc ul { list-style: none; padding: 0; margin: 0; }
.toc li { padding: 6px 0; }
.toc a {
  color: var(--dk-text-main);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 12px;
  margin-left: -14px;
  display: block;
  transition: all 120ms var(--ease-standard);
}
.toc a:hover, .toc a.active {
  color: var(--dk-deep-navy);
  border-left-color: var(--dk-neon-green);
  font-weight: 500;
}
.article-body > section { margin-bottom: 80px; }
.article-body h2 {
  font-size: 36px;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: -0.015em;
  color: var(--dk-deep-navy);
}
.article-body h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--dk-deep-navy);
}
.article-body p { font-size: 15.5px; line-height: 1.7; margin: 0 0 14px; }
.article-body .section-sub {
  font-size: 15px;
  color: var(--dk-text-main);
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
  margin-bottom: 32px;
  max-width: 720px;
}
@media (max-width: 1000px) {
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
  .toc { position: relative; top: 0; }
}

/* ---------- Utility ---------- */
.muted { color: var(--dk-text-light); }
.tiny { font-size: 12px; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-32 { margin-top: 32px; }
.mb-32 { margin-bottom: 32px; }
.mt-48 { margin-top: 48px; }
.text-center { text-align: center; }