/* DeskOps — editorial blog styles. Mobile-first, no frameworks. */
:root {
  --accent: #0e7c66;
  --accent-dark: #0a5f4e;
  --ink: #1d2422;
  --muted: #5c6663;
  --paper: #fbfaf8;
  --card: #ffffff;
  --line: #e6e1d9;
  --soft: #f2efe9;
  --radius: 12px;
  --maxw: 72ch;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  font-size: 1.0625rem;
}

/* ---------- Header & nav ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--card);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  max-width: 1100px;
  margin: 0 auto;
}
.brand { text-decoration: none; color: var(--ink); display: flex; align-items: center; gap: 0.6rem; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px; flex: 0 0 34px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1.05rem;
}
.brand-name { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.01em; }
.brand-tag { display: block; font-size: 0.72rem; color: var(--muted); font-weight: 400; line-height: 1.2; }

.main-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 1.25rem; align-items: center;
}
.main-nav a { text-decoration: none; color: var(--ink); font-weight: 600; font-size: 0.95rem; }
.main-nav a:hover { color: var(--accent); }
.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--line); border-radius: 8px;
  padding: 0.45rem 0.65rem; font-size: 1.1rem; cursor: pointer; color: var(--ink);
}

/* ---------- Layout ---------- */
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }
main { display: block; }
.prose { max-width: var(--maxw); margin: 0 auto; padding: 2.5rem 1.25rem 3rem; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, #eef6f3 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
  padding: 3.5rem 0 3rem;
  text-align: left;
}
.hero .kicker {
  color: var(--accent); font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; font-size: 0.8rem; margin: 0 0 0.75rem;
}
.hero h1 { font-size: 2.6rem; line-height: 1.12; margin: 0 0 0.75rem; letter-spacing: -0.02em; }
.hero .tagline { font-size: 1.25rem; color: var(--muted); margin: 0 0 1rem; max-width: 44ch; }
.hero .pitch { max-width: 62ch; margin: 0; color: var(--ink); }

.card { position: relative; overflow: hidden; }
.card-art {
  margin: -1.35rem -1.35rem 0.1rem;
  border-radius: var(--radius) var(--radius) 0 0;
  min-height: 118px;
  display: flex; align-items: flex-end;
  padding: 0.85rem 1.1rem;
  color: #fff; font-weight: 800; font-size: 0.82rem;
  text-transform: uppercase; letter-spacing: 0.07em;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}
.card-art span { text-shadow: 0 1px 3px rgba(0,0,0,0.35); }
.card-art.variant-1 { background: linear-gradient(135deg, #0e7c66, #074a3d); }
.card-art.variant-2 { background: linear-gradient(135deg, #2e6e8e, #1b4258); }
.card-art.variant-3 { background: linear-gradient(135deg, #33646b, #1e3d44); }
.card-art.variant-4 { background: linear-gradient(135deg, #6d5aa5, #453a6e); }
.card-art.variant-5 { background: linear-gradient(135deg, #8a6a2f, #5c451c); }
.card-art.variant-6 { background: linear-gradient(135deg, #4a7d5b, #2e523b); }
.card-art.variant-7 { background: linear-gradient(135deg, #93505a, #613238); }

/* ---------- Focus visibility (keyboard accessibility) ---------- */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Cards (continued) ---------- */
.section { padding: 2.75rem 0; }
.section-title { font-size: 1.4rem; margin: 0 0 1.25rem; letter-spacing: -0.01em; }
.card-grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.35rem; display: flex; flex-direction: column; gap: 0.6rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(14,124,102,0.10); }
.card .pillar { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--accent); font-weight: 700; margin: 0; }
.card h3 { margin: 0; font-size: 1.12rem; line-height: 1.35; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--accent); }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card .read-more { margin-top: auto; font-weight: 700; color: var(--accent); text-decoration: none; font-size: 0.95rem; }

.featured {
  background: var(--card); border: 2px solid var(--accent); border-radius: var(--radius);
  padding: 1.75rem; display: grid; gap: 1rem; grid-template-columns: 1fr;
}
.featured .flag { color: var(--accent); font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; }
.featured h2 { margin: 0; font-size: 1.7rem; line-height: 1.25; letter-spacing: -0.01em; }
.featured h2 a { color: var(--ink); text-decoration: none; }
.featured h2 a:hover { color: var(--accent); }
.featured p { margin: 0; color: var(--muted); }

.btn {
  display: inline-block; background: var(--accent); color: #fff; font-weight: 700;
  padding: 0.7rem 1.4rem; border-radius: 9px; text-decoration: none; font-size: 1rem;
}
.btn:hover { background: var(--accent-dark); }

/* ---------- Newsletter card ---------- */
.newsletter {
  background: var(--ink); color: #f4f2ed; border-radius: var(--radius);
  padding: 2rem; max-width: 640px;
}
.newsletter h2 { margin: 0 0 0.5rem; font-size: 1.4rem; }
.newsletter p { margin: 0; color: #cfd4d1; }

/* ---------- About / start here ---------- */
.about { background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about h2 { font-size: 1.4rem; margin: 0 0 0.75rem; }
.about p { max-width: 66ch; }

/* ---------- Article pages ---------- */
.breadcrumb { font-size: 0.9rem; margin: 0 0 1.25rem; }
.breadcrumb a { color: var(--accent); text-decoration: none; font-weight: 600; }
.article-meta { color: var(--muted); font-size: 0.92rem; margin: 0.75rem 0 1.5rem; }
.byline { font-weight: 600; color: var(--ink); }
.disclosure-note {
  background: var(--soft); border: 1px solid var(--line); border-left: 4px solid var(--accent);
  border-radius: 8px; padding: 0.85rem 1rem; font-size: 0.9rem; color: var(--muted);
  margin: 0 0 1.75rem;
}
.disclosure-note a { color: var(--accent); font-weight: 600; }

article h1 { font-size: 2.2rem; line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
article h2 { font-size: 1.5rem; margin: 2.5rem 0 0.75rem; letter-spacing: -0.01em; }
article h3 { font-size: 1.15rem; margin: 1.75rem 0 0.5rem; }
article p { margin: 0 0 1.1rem; }
article ul, article ol { margin: 0 0 1.25rem; padding-left: 1.4rem; }
article li { margin-bottom: 0.45rem; }

.verdict {
  background: #eef6f3; border: 1px solid #cfe3dc; border-radius: var(--radius);
  padding: 1rem 1.25rem; margin: 1.25rem 0;
}
.verdict strong { color: var(--accent-dark); }

table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.93rem; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 0.65rem 0.75rem; border-bottom: 1px solid var(--line); }
th { background: var(--soft); font-weight: 700; white-space: nowrap; }
tr:nth-child(even) td { background: #fdfcfb; }

.faq { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem 1.5rem; margin: 2.5rem 0; }
.faq h2 { margin-top: 0; }
.faq dt { font-weight: 700; margin: 1rem 0 0.25rem; }
.faq dd { margin: 0 0 0.75rem; color: var(--muted); }

.keep-reading { border-top: 2px solid var(--line); margin-top: 3rem; padding-top: 1.75rem; }
.keep-reading h2 { font-size: 1.3rem; margin: 0 0 1rem; }
.keep-reading ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.keep-reading a { color: var(--accent); font-weight: 600; text-decoration: none; }
.keep-reading a:hover { text-decoration: underline; }

/* Decorative SVG divider used on articles */
.deco { display: block; margin: 2.5rem auto; max-width: 100%; height: auto; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--card); margin-top: 3rem; }
.site-footer .wrap { padding-top: 2rem; padding-bottom: 2rem; display: grid; gap: 1.25rem; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.92rem; }
.footer-nav a:hover { color: var(--accent); }
.copyright { color: var(--muted); font-size: 0.85rem; margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .main-nav { display: none; width: 100%; }
  .main-nav.open { display: block; }
  .site-header .wrap { flex-wrap: wrap; }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 0.9rem; padding: 1rem 0 0.5rem; }
  .hero h1 { font-size: 2rem; }
  article h1 { font-size: 1.7rem; }
  body { font-size: 1rem; }
}

/* ---------- Header search ---------- */
.site-search { position: relative; }
.site-search input[type="search"] {
  font: inherit; font-size: 0.9rem;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--paper); color: var(--ink);
  padding: 0.45rem 1rem; width: 190px; max-width: 60vw;
}
.site-search input[type="search"]:focus { outline: 3px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.search-results {
  position: absolute; top: calc(100% + 6px); right: 0; z-index: 100;
  list-style: none; margin: 0; padding: 0.4rem;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0,0,0,0.14);
  width: max(300px, 100%); max-width: 88vw;
}
.search-results li { margin: 0; }
.search-results a {
  display: block; padding: 0.55rem 0.7rem; border-radius: 7px;
  color: var(--ink); text-decoration: none; font-size: 0.92rem; font-weight: 600;
}
.search-results a:hover { background: var(--soft); color: var(--accent-dark); }
.search-none { padding: 0.55rem 0.7rem; color: var(--muted); font-size: 0.9rem; }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  background: none; border: 1px solid var(--line); border-radius: 8px;
  padding: 0.45rem 0.6rem; font-size: 1.05rem; line-height: 1;
  cursor: pointer; color: var(--ink);
}
.theme-toggle:hover { border-color: var(--accent); }
.theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: inline; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ---------- Reading progress bar ---------- */
.reading-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 200;
  background: var(--accent);
  transform: scaleX(0); transform-origin: 0 50%;
}

/* ---------- Table of contents ---------- */
.toc {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.25rem; margin: 0 0 2rem;
}
.toc-title { font-weight: 800; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--accent); margin: 0 0 0.5rem; }
.toc ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.35rem; }
.toc a { color: var(--ink); text-decoration: none; font-size: 0.93rem; font-weight: 600; border-left: 3px solid transparent; padding-left: 0.6rem; display: block; }
.toc a:hover { color: var(--accent); }
.toc a.active { color: var(--accent); border-left-color: var(--accent); }
.toc li.toc-h3 a { font-weight: 400; font-size: 0.88rem; padding-left: 1.5rem; color: var(--muted); }
.toc li.toc-h3 a.active { color: var(--accent); }

/* ---------- Sortable tables ---------- */
table.sortable th[role="button"] { cursor: pointer; user-select: none; }
table.sortable th[role="button"]:hover { color: var(--accent); }
table.sortable th[role="button"]::after { content: " \2195"; opacity: 0.35; font-size: 0.8em; }
table.sortable th[aria-sort="ascending"]::after { content: " \2191"; opacity: 1; color: var(--accent); }
table.sortable th[aria-sort="descending"]::after { content: " \2193"; opacity: 1; color: var(--accent); }

/* ---------- FAQ accordion ---------- */
.faq-toggle {
  display: flex; justify-content: space-between; align-items: center; gap: 0.75rem;
  width: 100%; background: none; border: 0; padding: 0.35rem 0;
  font: inherit; font-weight: 700; color: var(--ink); text-align: left; cursor: pointer;
}
.faq-toggle::after { content: "+"; font-size: 1.25rem; color: var(--accent); flex: 0 0 auto; line-height: 1; }
.faq-toggle[aria-expanded="true"]::after { content: "\2212"; }
.faq-toggle:hover { color: var(--accent); }
.faq .faq-panel dd { margin: 0 0 0.75rem; color: var(--muted); }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 150;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--accent); color: #fff; border: 0;
  font-size: 1.35rem; line-height: 1; cursor: pointer;
  box-shadow: 0 6px 18px rgba(0,0,0,0.22);
}
.back-to-top:hover { background: var(--accent-dark); }
.back-to-top[hidden] { display: none; }

/* ---------- Dark theme ---------- */
html[data-theme="dark"] {
  --accent: #3fb497;
  --accent-dark: #2a8f77;
  --ink: #e9e6e0;
  --muted: #a8b0ac;
  --paper: #14171a;
  --card: #1d2126;
  --line: #333a40;
  --soft: #22272c;
}
html[data-theme="dark"] .hero { background: linear-gradient(180deg, #182422 0%, var(--paper) 100%); }
html[data-theme="dark"] .verdict { background: #182423; border-color: #2a4a43; }
html[data-theme="dark"] .verdict strong { color: var(--accent); }
html[data-theme="dark"] tr:nth-child(even) td { background: #1a1e22; }
html[data-theme="dark"] .newsletter { background: #101314; }
html[data-theme="dark"] .card-art span { text-shadow: 0 1px 3px rgba(0,0,0,0.5); }
html[data-theme="dark"] .brand-mark { color: #fff; }

/* Mobile: search box inside the collapsed nav */
@media (max-width: 720px) {
  .site-search input[type="search"] { width: 100%; }
  .search-results { position: static; width: 100%; box-shadow: none; margin-top: 0.5rem; }
}