/* costsegw2.com persona deep-dives — editorial layout
   Pulls fonts and color tokens from the parent site's design system. */

:root {
  --bg: #ffffff;
  --bg-warm: #faf8f3;
  --bg-warm-deep: #f5f0e3;
  --fg: #0b1220;
  --fg-muted: #4a5c73;
  --fg-soft: #6f7d92;
  --accent: #0a5ad9;
  --accent-deep: #0848ac;
  --gold: #c9a24a;
  --gold-deep: #a8852e;
  --positive: #1f7a4f;
  --positive-bg: #e8f3ed;
  --negative: #a83232;
  --negative-bg: #f5e3e1;
  --warn: #b6770f;
  --warn-bg: #fbf1dc;
  --border: #dde3ee;
  --border-strong: #aab5c8;
  --ink-rule: #0b1220;
  --serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --max: 1200px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  font-feature-settings: "ss01", "ss02", "tnum";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 2px; }
img { max-width: 100%; display: block; height: auto; }
button { font: inherit; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
  color: var(--fg);
}
.serif-italic { font-family: var(--serif); font-style: italic; }
em { font-family: var(--serif); font-style: italic; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.num { font-variant-numeric: tabular-nums; }

/* Operator disclosure */
.cs-disclosure {
  background: var(--fg);
  color: rgba(255, 255, 255, 0.86);
  font-size: 12px;
  padding: 8px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.cs-disclosure strong { color: #fff; font-weight: 600; }

/* Header (matches site visual language) */
.cs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}
.cs-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.cs-logo:hover { text-decoration: none; }
.cs-logo-mark {
  width: 28px; height: 28px;
  background: var(--fg);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: -0.02em;
  border-radius: 2px;
}
.cs-logo-tld { color: var(--fg-soft); font-weight: 400; }
.cs-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}
.cs-nav a { color: var(--fg-muted); text-decoration: none; }
.cs-nav a:hover { color: var(--accent); }
.cs-nav-cta {
  background: var(--fg);
  color: #fff !important;
  padding: 9px 16px;
  border-radius: 2px;
  font-weight: 600;
}
.cs-nav-cta:hover { background: var(--accent); text-decoration: none; }

/* Skip link / sr-only */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  z-index: 9999;
  background: var(--fg);
  color: #fff;
  padding: 12px 18px;
  text-decoration: none;
  font-weight: 500;
}
.skip-link:focus { top: 0; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Breadcrumb */
.pp-breadcrumb {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 28px 0;
  font-size: 12px;
  color: var(--fg-soft);
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
.pp-breadcrumb a { color: var(--fg-soft); }
.pp-breadcrumb a:hover { color: var(--accent); }
.pp-breadcrumb-sep { padding: 0 6px; }

/* Hero */
.pp-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 28px 36px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: center;
  border-bottom: 1px solid var(--border);
}
.pp-hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-weight: 500;
}
.pp-hero-eyebrow .dot {
  display: inline-block;
  width: 3px; height: 3px;
  background: var(--border-strong);
  border-radius: 999px;
}
.pp-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
  font-weight: 400;
  max-width: 720px;
}
.pp-hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.pp-hero-lede {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.5;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 0 18px;
}
.pp-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.pp-hero-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--fg-muted);
  background: var(--bg-warm);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 2px;
}
.pp-hero-portrait {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.pp-hero-portrait img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  background: #fff;
  border: 1px solid var(--border);
}
.pp-hero-portrait-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--fg-soft);
  text-transform: uppercase;
  margin-top: 4px;
}
.pp-hero-portrait-placeholder {
  width: 100%;
  aspect-ratio: 1/1;
  background: var(--bg-warm-deep);
  border: 1px dashed var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
  padding: 16px;
  line-height: 1.5;
}

/* Verdict pill */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 2px;
}
.pill::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  background: currentColor;
  border-radius: 999px;
}
.pill-yes { color: var(--positive); background: var(--positive-bg); }
.pill-maybe { color: var(--warn); background: var(--warn-bg); }
.pill-no { color: var(--negative); background: var(--negative-bg); }

/* Grid layout */
.pp-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  padding: 44px 28px 56px;
  max-width: var(--max);
  margin: 0 auto;
  align-items: start;
}

/* Main article */
.pp-main { max-width: 740px; }
.pp-main h2 {
  font-size: clamp(24px, 3vw, 30px);
  letter-spacing: -0.022em;
  font-weight: 400;
  margin: 36px 0 14px;
  scroll-margin-top: 90px;
}
.pp-main h2:first-of-type { margin-top: 0; }
.pp-main h3 {
  font-size: 18px;
  font-family: var(--sans);
  font-weight: 600;
  margin: 26px 0 10px;
  color: var(--fg);
  letter-spacing: 0;
}
.pp-main p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--fg-muted);
  margin: 0 0 18px;
}
.pp-main p strong { color: var(--fg); font-weight: 600; }
.pp-main p a { color: var(--accent); }

/* Citation tag */
.cite-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  background: var(--bg-warm-deep);
  padding: 1px 6px;
  color: var(--fg);
  vertical-align: middle;
}

/* Lists */
.numbered-list, .fails-list {
  margin: 14px 0 24px;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fg-muted);
}
.numbered-list li, .fails-list li { margin-bottom: 10px; }
.numbered-list li strong, .fails-list li strong { color: var(--fg); }

/* Pull quote */
.pullquote-figure { margin: 28px 0; }
.pullquote {
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--fg);
  border-left: 2px solid var(--ink-rule);
  padding: 4px 0 4px 20px;
  margin: 0;
}
.pullquote cite {
  display: block;
  font-family: var(--sans);
  font-size: 13px;
  font-style: normal;
  color: var(--fg-soft);
  margin-top: 14px;
  letter-spacing: 0;
}

/* Worked-money table */
.pp-money {
  margin: 24px 0 28px;
  border: 1px solid var(--border);
  background: #fff;
}
.pp-money-head {
  padding: 12px 18px;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.pp-money-head-title { font-size: 13px; font-weight: 600; color: var(--fg); }
.pp-money-head-meta { font-family: var(--mono); font-size: 11px; color: var(--fg-soft); letter-spacing: 0.04em; }
.pp-money table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.pp-money th {
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-soft);
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.pp-money td {
  padding: 11px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  font-size: 14px;
}
.pp-money tr:last-child td { border-bottom: none; }
.pp-money .num { text-align: right; font-family: var(--mono); }
.pp-money .num.pos { color: var(--positive); }
.pp-money .num.neg { color: var(--negative); }
.pp-money .row-total td {
  font-weight: 600;
  background: var(--bg-warm);
  border-top: 2px solid var(--ink-rule);
  font-size: 15px;
}

/* Decision tree */
.pp-tree {
  margin: 28px 0;
  border: 1px solid var(--border);
  background: #fff;
  padding: 18px;
}
.pp-tree-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-soft);
  font-weight: 600;
  margin-bottom: 14px;
}
.pp-tree-step {
  padding: 12px 14px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  margin-bottom: 8px;
}
.pp-tree-q {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg);
}
.pp-tree-text { font-size: 14px; color: var(--fg-muted); line-height: 1.5; margin-top: 4px; }
.pp-tree-branch {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  margin: 8px 0;
}
.pp-tree-branch.yes { background: var(--positive-bg); color: var(--positive); }
.pp-tree-branch.no { background: var(--negative-bg); color: var(--negative); }
.pp-tree-final {
  padding: 14px;
  margin-top: 10px;
}
.pp-tree-final.yes { background: var(--positive-bg); border-left: 3px solid var(--positive); }
.pp-tree-final.maybe { background: var(--warn-bg); border-left: 3px solid var(--warn); }
.pp-tree-final.no { background: var(--negative-bg); border-left: 3px solid var(--negative); }
.pp-tree-verdict {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pp-tree-verdict.yes { color: var(--positive); }
.pp-tree-verdict.maybe { color: var(--warn); }
.pp-tree-verdict.no { color: var(--negative); }
.pp-tree-action { font-size: 14px; color: var(--fg); margin-top: 4px; line-height: 1.55; }

/* Counter-cases */
.pp-counter {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-left: 3px solid var(--ink-rule);
  padding: 18px 22px;
  margin: 24px 0;
}
.pp-counter-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg);
  margin-bottom: 10px;
}
.pp-counter ul { padding-left: 22px; margin: 0; }
.pp-counter li { font-size: 14px; color: var(--fg-muted); line-height: 1.6; margin-bottom: 6px; }
.pp-counter li strong { color: var(--fg); }

/* Callout */
.pp-callout {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-left: 2px solid var(--ink-rule);
  padding: 18px 20px;
  margin: 22px 0;
}
.pp-callout-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg);
  margin-bottom: 8px;
}
.pp-callout p { font-size: 14px; line-height: 1.6; color: var(--fg-muted); margin: 0; }

/* End-of-article CTA */
.pp-cta {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  padding: 28px;
  margin: 36px 0;
}
.pp-cta h3 {
  font-family: var(--serif);
  font-size: 24px;
  letter-spacing: -0.022em;
  font-weight: 500;
  margin: 0 0 12px;
  color: var(--fg);
}
.pp-cta p { font-size: 15px; color: var(--fg-muted); margin-bottom: 18px; }
.pp-cta-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 2px;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  transition: background .15s, color .15s, border-color .15s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-deep); color: #fff; text-decoration: none; }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--fg);
}
.btn-ghost:hover { background: var(--fg); color: #fff; text-decoration: none; }

/* Right rail */
.pp-rail {
  position: sticky;
  top: 90px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.pp-rail .card {
  background: #fff;
  border: 1px solid var(--border);
  padding: 18px;
}
.pp-rail-eyebrow {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-soft);
  margin-bottom: 10px;
}
.pp-rail-verdict {
  text-align: center;
  padding: 24px 18px;
}
.pp-rail-verdict h4 {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.018em;
  font-weight: 500;
  margin: 12px 0 8px;
  color: var(--fg);
}
.pp-rail-verdict p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
  margin: 0 0 16px;
}
.pp-rail-related ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
}
.pp-rail-related li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.pp-rail-related li:last-child { border-bottom: none; }
.pp-rail-related a { color: var(--fg); text-decoration: none; display: block; }
.pp-rail-related a:hover .pp-rail-name { color: var(--accent); }
.pp-rail-name { font-weight: 600; margin-bottom: 2px; }
.pp-rail-line {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-soft);
  letter-spacing: 0.02em;
}

/* Footer */
.cs-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-warm);
  padding: 48px 28px 28px;
  font-size: 13px;
  color: var(--fg-muted);
}
.cs-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  max-width: var(--max);
  margin: 0 auto 28px;
}
.cs-footer h5 {
  font-size: 11px;
  font-weight: 600;
  color: var(--fg);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
  font-family: var(--sans);
}
.cs-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.cs-footer a { color: var(--fg-muted); text-decoration: none; }
.cs-footer a:hover { color: var(--accent); }
.cs-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  max-width: var(--max);
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 8px;
}
.cs-footer-disc {
  max-width: var(--max);
  margin: 18px auto 0;
  padding-top: 14px;
  font-size: 11px;
  line-height: 1.6;
  color: var(--fg-soft);
}

/* Responsive */
@media (max-width: 1100px) {
  .pp-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .pp-rail { display: none; }
  .pp-hero { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .pp-hero-portrait { max-width: 280px; margin: 0 auto; }
}
@media (max-width: 720px) {
  .cs-header { padding: 16px 24px; }
  .cs-nav { gap: 18px; }
  .pp-hero, .pp-grid { padding: 28px 22px; }
  .cs-footer-grid { grid-template-columns: 1fr 1fr; gap: 22px; }
  .cs-footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* Smooth scrolling */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}