/* Portfolio Hub — PMO operations handbook theme
   Cool near-white, deep navy/slate ink, indigo + amber accents.
   Structured "field manual" feel. Deliberately NOT the warm editorial
   terracotta theme and NOT a generic SaaS template. */

:root {
  --ink: #0f1b2d;
  --ink-soft: #46566b;
  --paper: #f7f9fc;
  --paper-2: #eef2f8;
  --indigo: #3a5bd9;
  --indigo-dark: #2c46ab;
  --amber: #c97f15;
  --amber-soft: #e0962a;
  --line: #dde3ec;
  --measure: 700px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display {
  font-family: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.005em;
  color: var(--ink);
}

a { color: var(--indigo); text-decoration: none; }
a:hover { color: var(--indigo-dark); text-decoration: underline; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.measure { max-width: var(--measure); margin-left: auto; margin-right: auto; }

/* Header — quiet, grid-aligned */
.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 16px; padding-bottom: 16px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand:hover { text-decoration: none; }
.brand .mark {
  width: 28px; height: 28px; background: var(--ink); border-radius: 7px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-family: "IBM Plex Serif", serif; font-weight: 600;
  font-size: 14px; position: relative;
}
.brand .mark::after {
  content: ""; position: absolute; left: 6px; right: 6px; bottom: 5px;
  height: 3px; background: var(--indigo); border-radius: 2px;
}
.brand .name {
  font-family: "IBM Plex Serif", Georgia, serif; font-weight: 600; font-size: 20px;
  color: var(--ink); letter-spacing: -0.01em;
}
.nav a {
  color: var(--ink-soft); font-size: 14.5px; margin-left: 26px; font-weight: 500;
}
.nav a:hover { color: var(--indigo); text-decoration: none; }

/* Hero / page header — left indigo rule, definition-led */
.hero {
  padding: 60px 0 34px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fff 0%, var(--paper) 100%);
}
.hero .wrap { border-left: 3px solid var(--indigo); padding-left: 22px; }
@media (max-width: 600px) { .hero .wrap { border-left: none; padding-left: 24px; } }
.hero .eyebrow { color: var(--amber); font-weight: 600; font-size: 12.5px; letter-spacing: 0.1em; text-transform: uppercase; }
.hero h1 { font-size: clamp(32px, 4.8vw, 48px); margin: 12px 0 16px; max-width: 760px; }
.hero p.lede { font-size: 19px; color: var(--ink-soft); max-width: 660px; }
.hero-cta { display: inline-block; margin-top: 22px; background: var(--indigo); color: #fff; font-weight: 600; font-size: 15px; padding: 11px 20px; border-radius: 6px; text-decoration: none; transition: background 0.15s ease; }
.hero-cta:hover { background: var(--indigo-dark); }

.eyebrow { color: var(--amber); font-weight: 600; font-size: 11.5px; letter-spacing: 0.11em; text-transform: uppercase; }

/* Featured */
.featured {
  display: grid; grid-template-columns: 1fr; gap: 8px;
  padding: 38px 0; border-bottom: 1px solid var(--line);
}
.featured .wrap { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 30px 32px; }
.featured h2 { font-size: clamp(25px, 3.6vw, 34px); margin: 8px 0 10px; }
.featured h2 a { color: var(--ink); }
.featured h2 a:hover { color: var(--indigo); text-decoration: none; }
.featured p { color: var(--ink-soft); margin: 0 0 12px; max-width: 680px; }

/* Article grid — clean 2-col cards */
.grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
  padding: 40px 0;
}
@media (max-width: 720px) { .grid { grid-template-columns: 1fr; gap: 22px; } }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 26px 26px 22px; transition: border-color .15s ease, box-shadow .15s ease;
}
.card:hover { border-color: #c6d0e0; box-shadow: 0 6px 22px rgba(15,27,45,0.05); }
.card .eyebrow { display: block; margin-bottom: 8px; }
.card h3 { font-size: 21px; margin: 0 0 9px; }
.card h3 a { color: var(--ink); }
.card h3 a:hover { color: var(--indigo); text-decoration: none; }
.card p { color: var(--ink-soft); margin: 0 0 12px; font-size: 16px; }
.byline { font-size: 13.5px; color: var(--ink-soft); }
.byline .dot { margin: 0 7px; color: var(--line); }

/* Article body */
.article-head { padding: 54px 0 24px; border-bottom: 1px solid var(--line); }
.article-head .wrap { border-left: 3px solid var(--indigo); padding-left: 22px; }
@media (max-width: 600px) { .article-head .wrap { border-left: none; padding-left: 24px; } }
.article-head h1 { font-size: clamp(29px, 4.4vw, 42px); margin: 12px 0 14px; }
.article-head .sub { font-size: 20px; color: var(--ink-soft); max-width: var(--measure); }
.article-meta { margin-top: 20px; font-size: 14.5px; color: var(--ink-soft); }

.article-body { padding: 34px 0 12px; font-size: 18px; }
.article-body p { margin: 0 0 22px; }
.article-body h2 {
  font-size: 26px; margin: 42px 0 14px; padding-top: 4px;
}
.article-body h3 { font-size: 21px; margin: 30px 0 10px; }
.article-body ul, .article-body ol { margin: 0 0 22px; padding-left: 22px; }
.article-body li { margin-bottom: 9px; }
.article-body a { border-bottom: 1px solid rgba(58,91,217,0.35); }
.article-body a:hover { border-color: var(--indigo); }
.article-body strong { font-weight: 600; color: var(--ink); }
/* Key takeaways box — a handbook signature element */
.article-body .takeaways {
  background: var(--paper-2); border: 1px solid var(--line);
  border-left: 4px solid var(--amber-soft);
  border-radius: 10px; padding: 20px 24px; margin: 30px 0;
  font-size: 16.5px;
}
.article-body .takeaways h4 {
  margin: 0 0 12px; font-size: 13px; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--amber); font-family: "IBM Plex Sans", sans-serif;
}
.article-body .takeaways ul { margin: 0; padding-left: 20px; }
.article-body blockquote {
  margin: 28px 0; padding: 4px 0 4px 22px; border-left: 3px solid var(--indigo);
  font-family: "IBM Plex Serif", Georgia, serif; font-size: 21px; line-height: 1.45;
  color: var(--ink);
}

/* Author block */
.author-block {
  display: flex; gap: 16px; align-items: flex-start;
  margin: 44px 0; padding: 24px; background: #fff;
  border-radius: 12px; border: 1px solid var(--line);
}
.author-block .avatar {
  width: 50px; height: 50px; border-radius: 10px; flex: 0 0 50px;
  background: var(--indigo); color: #fff; display: flex; align-items: center;
  justify-content: center; font-family: "IBM Plex Serif", serif; font-size: 21px;
}
.author-block .who { font-weight: 600; color: var(--ink); }
.author-block .role { font-size: 14.5px; color: var(--ink-soft); }

/* Related */
.related { padding: 40px 0; border-top: 1px solid var(--line); }
.related h4 { font-size: 13px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--amber); margin: 0 0 18px; }
.related ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.related a.r-title { font-family: "IBM Plex Serif", Georgia, serif; font-size: 19px; color: var(--ink); }
.related a.r-title:hover { color: var(--indigo); text-decoration: none; }

/* Prose pages (about/contact/privacy) */
.prose { padding: 30px 0 40px; font-size: 18px; }
.prose p { margin: 0 0 20px; color: var(--ink); }
.prose h2 { font-size: 24px; margin: 34px 0 12px; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 8px; }

/* Footer — quiet colophon, NO tool-link block */
.site-footer {
  margin-top: 50px; border-top: 1px solid var(--line);
  background: #fff; padding: 38px 0;
  color: var(--ink-soft); font-size: 14.5px;
}
.site-footer .colophon { display: flex; flex-wrap: wrap; gap: 16px 40px; align-items: baseline; justify-content: space-between; }
.site-footer .name { font-family: "IBM Plex Serif", Georgia, serif; font-size: 17px; color: var(--ink); }
.site-footer .links a { color: var(--ink-soft); margin-left: 20px; }
.site-footer .links a:first-child { margin-left: 0; }
.site-footer .fine { margin-top: 18px; font-size: 12.5px; color: #8893a4; }

/* Pagination */
.pagination { display: flex; gap: 12px; padding: 10px 0 40px; list-style: none; }
.pagination a, .pagination span { color: var(--ink-soft); }