/* =========================================================================
   guide.css — shared editorial styling for SingleFocus long-form guides.
   Serif reading column + brand-blue accent on the warm paper/ink palette.
   Adapted from the omnifocus-export guide; teal accent remapped to blue.
   ========================================================================= */

:root {
  --paper: #FEFDFB;
  --ink: #1C1917;
  --ink-soft: #44403C;
  --ink-faint: #78716C;
  --rule: #E7E2D9;
  --rule-soft: #F0ECE4;
  --accent: #2563EB;          /* SingleFocus brand blue */
  --accent-hover: #1D4ED8;
  --accent-soft: #EAF0FE;
  --warn-bg: #FBF3E8;
  --warn-edge: #E0B978;
  --warn-ink: #6B4E1E;
  --code-bg: #1C1917;
  --code-ink: #F0ECE4;
  --max: 720px;               /* reading column */
  --max-wide: 1080px;         /* site chrome: nav + footer */
  --sans: ui-sans-serif, -apple-system, "Segoe UI", system-ui, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Charter, Georgia, serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(37, 99, 235, .15); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.wrap-wide { max-width: var(--max-wide); margin: 0 auto; padding: 0 24px; }

/* ---- nav ---- */
.site-nav {
  border-bottom: 1px solid var(--rule);
  background: rgba(254, 253, 251, 0.92);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  backdrop-filter: saturate(140%) blur(8px);
  position: sticky; top: 0; z-index: 40;
}
.nav-inner { display: flex; align-items: center; gap: 28px; padding-top: 14px; padding-bottom: 14px; }
.site-nav a { font-family: var(--sans); font-size: 15px; color: var(--ink-soft); text-decoration: none; }
.site-nav a:hover { color: var(--accent); }
.site-nav .brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 17px; color: var(--ink); margin-right: auto; letter-spacing: -0.01em;
}
.site-nav .brand:hover { color: var(--ink); }
.site-nav .brand svg { display: block; }
.nav-rest { display: flex; gap: 22px; align-items: center; }
.site-nav .cta {
  background: var(--accent); color: #fff !important; padding: 8px 15px;
  border-radius: 7px; font-weight: 600;
}
.site-nav .cta:hover { background: var(--accent-hover); }
.menu-btn {
  display: none; background: none; border: 0; padding: 8px; margin: 0 -8px 0 0;
  color: var(--ink-soft); cursor: pointer; align-items: center; justify-content: center;
}
.menu-btn:hover { color: var(--ink); }

/* ---- mobile slide-in menu ---- */
.mobile-menu { display: none; position: fixed; inset: 0; z-index: 60; background: rgba(28, 25, 23, 0.5); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); opacity: 0; transition: opacity .2s; }
.mobile-menu.open { display: flex; opacity: 1; }
.mobile-menu-panel { background: var(--paper); width: 280px; margin-left: auto; height: 100%; padding: 24px; display: flex; flex-direction: column; gap: 8px; transform: translateX(100%); transition: transform .25s ease-out; }
.mobile-menu.open .mobile-menu-panel { transform: translateX(0); }
.mobile-menu a { font-family: var(--sans); }
.mobile-menu a:not(.mobile-cta) { display: block; padding: 12px 16px; border-radius: 8px; font-size: 15px; color: var(--ink-soft); text-decoration: none; transition: background .15s; }
.mobile-menu a:not(.mobile-cta):hover { background: var(--rule-soft); }
.mobile-cta { display: block; text-align: center; background: var(--accent); color: #fff; padding: 12px 16px; border-radius: 8px; font-size: 15px; font-weight: 600; text-decoration: none; }
.menu-close { background: none; border: 0; padding: 8px; margin: 0 -8px 0 auto; color: var(--ink-soft); cursor: pointer; display: block; }
.menu-close:hover { color: var(--ink); }

/* ---- breadcrumb ---- */
.breadcrumb { font-family: var(--sans); font-size: 13.5px; color: var(--ink-faint); padding-top: 22px; }
.breadcrumb a { color: var(--ink-faint); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { margin: 0 8px; color: var(--rule); }

/* ---- header ---- */
header.post { padding: 20px 0 8px; }
.eyebrow { font-family: var(--sans); font-size: 13px; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: var(--accent); margin: 0 0 18px; }
h1 { font-size: clamp(34px, 6vw, 50px); line-height: 1.08; letter-spacing: -0.02em; font-weight: 700; margin: 0 0 22px; }
.standfirst { font-size: 21px; line-height: 1.55; color: var(--ink-soft); margin: 0 0 22px; }
.meta-line { font-family: var(--sans); font-size: 14px; color: var(--ink-faint); border-top: 1px solid var(--rule); padding-top: 18px; margin-top: 30px; }

/* ---- body ---- */
main { padding: 16px 0 40px; }
main .wrap > :first-child { margin-top: 24px; padding-top: 0; }
h2 { font-size: 28px; line-height: 1.2; letter-spacing: -0.015em; font-weight: 700; margin: 56px 0 8px; padding-top: 14px; }
h2 .num { font-family: var(--sans); font-size: 14px; font-weight: 700; color: var(--accent); display: block; letter-spacing: 0.06em; margin-bottom: 6px; }
h3 { font-size: 21px; font-weight: 700; letter-spacing: -0.01em; margin: 36px 0 6px; }
p { margin: 16px 0; }
a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
strong { font-weight: 700; }
em { font-style: italic; }
ul, ol { margin: 16px 0; padding-left: 26px; }
li { margin: 9px 0; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 52px 0; }

/* ---- pull quote ---- */
.pullquote { font-style: italic; color: var(--ink-soft); font-size: 20px; line-height: 1.5; border-left: 3px solid var(--accent); padding-left: 20px; margin: 28px 0; }
.pullquote cite { display: block; font-style: normal; font-family: var(--sans); font-size: 14px; color: var(--ink-faint); margin-top: 8px; }

/* ---- code ---- */
code { font-family: var(--mono); font-size: 0.84em; background: var(--rule-soft); padding: 2px 6px; border-radius: 5px; color: #3A3531; word-break: break-word; }
pre { background: var(--code-bg); color: var(--code-ink); padding: 18px 20px; border-radius: 10px; overflow-x: auto; font-size: 14.5px; line-height: 1.55; margin: 22px 0; font-family: var(--mono); }
pre code { background: none; padding: 0; color: inherit; font-size: inherit; }

/* ---- soft panel / card ---- */
.panel { background: var(--rule-soft); border-radius: 14px; padding: 22px 28px; margin: 22px 0; }
.panel > :first-child { margin-top: 0; }
.panel > :last-child { margin-bottom: 0; }
.panel-title { font-family: var(--serif); font-weight: 700; font-size: 19px; color: var(--ink); margin: 0 0 8px; }
.sub { color: var(--ink-faint); font-size: 15px; }
.panel .sub { font-size: 16px; }
.panel-list { margin: 12px 0; padding-left: 22px; font-size: 17px; }
.panel-list li { margin: 7px 0; }

/* ---- decision matrix ---- */
.matrix-scroll { overflow-x: auto; margin: 24px 0; border: 1px solid var(--rule); border-radius: 10px; }
table.matrix { border-collapse: collapse; width: 100%; min-width: 540px; font-family: var(--sans); font-size: 15px; }
table.matrix th, table.matrix td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--rule-soft); }
table.matrix thead th { background: var(--ink); color: var(--paper); font-weight: 600; font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; border-bottom: none; }
table.matrix tbody tr:last-child td { border-bottom: none; }
table.matrix td:first-child, table.matrix th:first-child { font-weight: 600; color: var(--ink); }
.pill { display: inline-block; font-size: 12.5px; font-weight: 600; padding: 2px 9px; border-radius: 20px; line-height: 1.5; }
.pill.best { background: var(--accent-soft); color: var(--accent); }
.pill.ok { background: #F0ECE4; color: var(--ink-soft); }
.pill.no { background: #F7E9E6; color: #9B3B2E; }

/* ---- callouts ---- */
.note { background: var(--accent-soft); border-left: 3px solid var(--accent); padding: 16px 20px; border-radius: 0 8px 8px 0; margin: 24px 0; font-size: 17px; }
.note p:first-child { margin-top: 0; } .note p:last-child { margin-bottom: 0; }
.warn { background: var(--warn-bg); border-left: 3px solid var(--warn-edge); padding: 16px 20px; border-radius: 0 8px 8px 0; margin: 24px 0; font-size: 17px; color: var(--warn-ink); }
.warn p:first-child { margin-top: 0; } .warn p:last-child { margin-bottom: 0; }
.warn strong { color: var(--warn-ink); }

/* ---- troubleshooting ---- */
.fix { border: 1px solid var(--rule); border-radius: 12px; padding: 4px 26px 22px; margin: 26px 0; background: #fff; }
.fix h3 { margin-top: 22px; }
.fix .symptom { font-family: var(--mono); font-size: 14px; background: var(--rule-soft); border-radius: 7px; padding: 10px 13px; color: #3A3531; margin: 14px 0; display: block; line-height: 1.5; }

/* ---- figures ---- */
figure { margin: 26px 0; }
figure img { display: block; max-width: 280px; width: 100%; margin: 0 auto; border: 1px solid var(--rule); border-radius: 14px; }
figcaption { font-family: var(--sans); font-size: 13.5px; color: var(--ink-faint); text-align: center; margin-top: 12px; line-height: 1.5; }

/* ---- numbered steps ---- */
ol.steps { counter-reset: step; list-style: none; padding-left: 0; margin: 22px 0; }
ol.steps > li { position: relative; padding-left: 46px; margin: 18px 0; min-height: 30px; }
ol.steps > li::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 1px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; font-size: 15px; display: flex; align-items: center; justify-content: center; font-family: var(--sans); }

/* ---- flowchart ---- */
.flow { font-family: var(--sans); font-size: 15px; line-height: 1.6; color: var(--ink-soft); }
.flow p { margin: 7px 0; }
.flow .label { font-family: var(--serif); font-weight: 700; color: var(--ink); font-size: 18px; margin: 6px 0; }
.flow strong { color: var(--ink); font-weight: 700; }
.flow .accent { color: var(--accent); }
.flow-arrow { color: var(--accent); font-weight: 700; }
.flow .nest { margin: 4px 0; margin-left: 6px; border-left: 2px solid var(--rule); padding-left: 20px; }
.flow .branch { font-weight: 600; color: var(--ink); margin: 16px 0 8px; }
.flow .tag { display: inline-block; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 2px 9px; border-radius: 20px; margin-right: 4px; }
.flow .tag-no { background: #F7E9E6; color: #9B3B2E; }
.flow .tag-yes { background: var(--accent-soft); color: var(--accent); }
.flow-note { font-family: var(--sans); font-size: 13.5px; color: var(--ink-faint); border-top: 1px solid var(--rule); padding-top: 14px; margin-top: 16px; }

/* ---- FAQ ---- */
.faq { border-top: 1px solid var(--rule); margin: 24px 0; }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { font-family: var(--serif); font-weight: 700; font-size: 19px; color: var(--ink); padding: 18px 0; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--sans); font-weight: 400; font-size: 26px; line-height: 1; color: var(--accent); flex-shrink: 0; }
.faq details[open] summary::after { content: "\2212"; }
.faq details > p { margin-top: 0; padding-bottom: 18px; color: var(--ink-soft); font-size: 17px; }

/* ---- related guides ---- */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 24px 0; }
.related-card { display: block; background: #fff; border: 1px solid var(--rule); border-radius: 12px; padding: 18px 20px; text-decoration: none; transition: box-shadow .15s, transform .15s; }
.related-card:hover { box-shadow: 0 6px 20px rgba(28, 25, 23, .08); transform: translateY(-2px); }
.related-card .rc-title { font-family: var(--sans); font-weight: 600; font-size: 16.5px; line-height: 1.3; color: var(--ink); margin: 0 0 6px; }
.related-card:hover .rc-title { color: var(--accent); }
.related-card .rc-desc { font-family: var(--sans); font-size: 14px; line-height: 1.55; color: var(--ink-faint); margin: 0; }
.rc-eyebrow { font-family: var(--sans); font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--accent); margin: 0 0 7px; }

/* ---- guides hub ---- */
.hub-hero { text-align: center; }
.hub-hero .standfirst { max-width: 600px; margin-left: auto; margin-right: auto; }
.hub-section { margin-top: 8px; }
/* larger card type on the hub (primary content) than the in-article related widget */
.hub-section .related-card { padding: 22px 24px; }
.hub-section .rc-eyebrow { font-size: 12px; margin-bottom: 8px; }
.hub-section .rc-title { font-size: 18px; line-height: 1.3; margin-bottom: 8px; }
.hub-section .rc-desc { font-size: 14.5px; line-height: 1.55; }

/* ---- endcap CTA ---- */
.endcap { background: var(--ink); color: var(--paper); border-radius: 16px; padding: 38px 34px; margin: 56px 0 0; }
.endcap h2 { color: #fff; margin: 0 0 12px; padding: 0; }
.endcap p { color: #CFC8BC; margin: 12px 0; }
.endcap .btn { display: inline-block; background: var(--paper); color: var(--ink) !important; font-family: var(--sans); font-weight: 600; text-decoration: none; padding: 12px 22px; border-radius: 9px; margin-top: 14px; }
.endcap .btn:hover { background: #fff; }
.endcap a:not(.btn) { color: #A9C5F9; }
.endcap .also-see { font-family: var(--sans); font-size: 14px; }

/* ---- footer ---- */
footer { border-top: 1px solid var(--rule); margin-top: 64px; padding: 32px 0 60px; font-family: var(--sans); font-size: 14px; color: var(--ink-faint); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
footer a { color: var(--ink-faint); text-decoration: none; }
footer a:hover { color: var(--accent); }
footer .links { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
footer .sep { color: var(--rule); }

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

/* ---- responsive ---- */
@media (max-width: 768px) {
  .nav-rest a:not(.cta) { display: none; }
  .menu-btn { display: inline-flex; }
  .related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 18px; }
  .endcap { padding: 28px 22px; }
  h2 { font-size: 25px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }