@font-face {
  font-family: "Bricolage Grotesque";
  src: url(/fonts/bricolage-grotesque-latin.woff2) format("woff2");
  font-weight: 400 800;
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url(/fonts/literata-latin.woff2) format("woff2");
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url(/fonts/literata-italic-latin.woff2) format("woff2");
  font-weight: 400 700;
  font-style: italic;
  font-display: swap;
}

:root {
  --paper: #f4f7f7;
  --surface: #ffffff;
  --ink: #14262e;
  --ink-2: #4a5d66;
  --line: #d9e3e5;
  --blue: #4c99bf;
  --blue-ink: #24698c;
  --coral: #f25764;
  --coral-ink: #c42a3a;
  --green: #2e9975;
  --green-ink: #1c7254;
  --marigold: #f2bf6b;
  --marigold-ink: #9a6410;
  --pink: #d96ca3;
  --teal: #7abecc;

  --display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --serif: "Literata", ui-serif, Georgia, serif;

  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 14px;
  --accent: var(--blue);
  --accent-ink: var(--blue-ink);
}

.c-blue { --accent: var(--blue); --accent-ink: var(--blue-ink); }
.c-coral { --accent: var(--coral); --accent-ink: var(--coral-ink); }
.c-green { --accent: var(--green); --accent-ink: var(--green-ink); }
.c-marigold { --accent: var(--marigold); --accent-ink: var(--marigold-ink); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--display);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg, iframe { max-width: 100%; }
img { height: auto; }
a { color: var(--accent-ink); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, h4 { font-family: var(--display); line-height: 1.12; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }

.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.5em;
  font: 600 16px/1 var(--display);
  padding: 0.85em 1.25em; border-radius: 999px;
  border: 1.5px solid currentColor; color: var(--ink); text-decoration: none;
  transition: background-color 0.15s, color 0.15s, transform 0.15s;
}
.btn:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-solid { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-solid:hover { background: var(--accent-ink); border-color: var(--accent-ink); }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 700 21px/1 var(--display); letter-spacing: -0.03em; }
.brand-tld { color: var(--ink-2); font-weight: 500; }
.site-nav { margin-left: auto; }
.nav-list, .nav-menu { list-style: none; margin: 0; padding: 0; }
.nav-list { display: flex; gap: 4px; align-items: center; }
.nav-group { position: relative; }
.nav-trigger, .nav-plain {
  font: 500 16px/1 var(--display); color: var(--ink); background: none; border: 0; cursor: pointer;
  padding: 12px 14px; border-radius: 999px; text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
}
.nav-trigger::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.nav-trigger::after { content: ""; width: 6px; height: 6px; border: solid currentColor; border-width: 0 1.5px 1.5px 0; transform: translateY(-2px) rotate(45deg); opacity: 0.6; }
.nav-trigger:hover, .nav-plain:hover, .nav-group.is-active > .nav-trigger, .nav-plain[aria-current] { background: var(--surface); }
.nav-menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 300px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 18px 40px -18px rgb(20 38 46 / 0.35);
  padding: 8px; display: none;
  border-top: 3px solid var(--accent);
}
.nav-group:hover > .nav-menu, .nav-group:focus-within > .nav-menu, .nav-group.open > .nav-menu { display: block; }
.nav-menu a { display: block; padding: 10px 12px; border-radius: 8px; color: var(--ink); text-decoration: none; font-size: 15.5px; }
.nav-menu a:hover, .nav-menu a[aria-current] { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.nav-menu a[rel~="noopener"]::after { content: " ↗"; color: var(--ink-2); }
.menu-toggle { display: none; }

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-flex; margin-left: auto; font: 600 15px/1 var(--display); padding: 10px 16px;
    border-radius: 999px; border: 1.5px solid var(--ink); background: none; color: var(--ink); cursor: pointer;
  }
  .site-nav { display: none; position: absolute; inset: 68px 0 auto 0; background: var(--paper); border-bottom: 1px solid var(--line); max-height: calc(100dvh - 68px); overflow: auto; }
  .site-nav.open { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; padding: 8px var(--gutter) 20px; }
  .nav-trigger, .nav-plain { width: 100%; justify-content: flex-start; padding: 14px 4px; border-radius: 0; }
  .nav-trigger::after { margin-left: auto; }
  .nav-trigger:hover, .nav-group.is-active > .nav-trigger, .nav-plain[aria-current] { background: none; }
  .nav-menu { position: static; box-shadow: none; border: 0; background: none; border-left: 2px solid var(--accent); border-radius: 0; margin: 0 0 8px 3px; padding: 0 0 0 12px; min-width: 0; }
  .nav-group:hover > .nav-menu, .nav-group:focus-within > .nav-menu { display: none; }
  .nav-group.open > .nav-menu { display: block; }
}

/* home hero */
.hero { padding: clamp(40px, 7vw, 88px) 0 24px; overflow: hidden; }
.hero-text { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px 56px; align-items: end; }
.eyebrow { grid-column: 1 / -1; margin: 0; font: 600 14px/1 var(--display); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.hero h1 { font-size: clamp(2.6rem, 6.4vw, 5.4rem); font-weight: 700; letter-spacing: -0.04em; line-height: 0.98; }
.hero-side { padding-bottom: 8px; }
.hero-intro { font: 400 1.125rem/1.65 var(--serif); color: var(--ink-2); margin: 0 0 24px; max-width: 46ch; }
@media (max-width: 860px) { .hero-text { grid-template-columns: 1fr; } }

/* the mind map */
.mindmap { position: relative; aspect-ratio: var(--ar); margin-top: clamp(16px, 4vw, 40px); }
.mindmap-lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.br { fill: none; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 0; }
.br-main { stroke-width: 9; }
.br-leaf { stroke-width: 3; opacity: 0.55; }
.s-blue { stroke: var(--blue); } .s-coral { stroke: var(--coral); } .s-green { stroke: var(--green); }
.mindmap-nodes ul { list-style: none; margin: 0; padding: 0; }
.root, .hub, .leaf { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%); }
.root {
  background: var(--ink); color: #fff; font: 700 clamp(15px, 1.9vw, 24px)/1 var(--display); letter-spacing: -0.02em;
  padding: 0.85em 1.3em; border-radius: 999px; white-space: nowrap; box-shadow: 0 0 0 8px var(--paper);
}
.hub {
  background: var(--accent); color: #fff; font: 650 clamp(12px, 1.35vw, 17px)/1 var(--display);
  padding: 0.75em 1.1em; border-radius: 999px; white-space: nowrap; box-shadow: 0 0 0 6px var(--paper);
}
.c-green .hub, .c-blue .hub { color: #fff; }
.c-blue .hub { background: var(--blue-ink); }
.c-coral .hub { background: var(--coral-ink); }
.c-green .hub { background: var(--green-ink); }
.leaf-left { transform: translate(-100%, -50%); }
.leaf-right { transform: translate(0, -50%); }
.leaf a {
  display: inline-block; white-space: nowrap; color: var(--ink); text-decoration: none;
  font: 500 clamp(12px, 1.45vw, 18px)/1.2 var(--display); padding: 6px 4px;
  border-bottom: 2px solid transparent; transition: color 0.15s, border-color 0.15s;
}
.leaf a:hover, .leaf a:focus-visible { color: var(--accent-ink); border-bottom-color: var(--accent); }
.leaf .ext { color: var(--ink-2); margin-left: 4px; font-size: 0.85em; }

@media (prefers-reduced-motion: no-preference) {
  .br { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 0.7s cubic-bezier(.6, 0, .3, 1) var(--d, 0s) forwards; }
  .hub, .leaf { opacity: 0; animation: pop 0.45s ease-out var(--d, 0s) forwards; }
  @keyframes draw { to { stroke-dashoffset: 0; } }
  @keyframes pop { to { opacity: 1; } }
}

@media (max-width: 760px) {
  .mindmap { aspect-ratio: auto; }
  .mindmap-lines { display: none; }
  .root { position: static; transform: none; display: inline-block; margin-bottom: 12px; box-shadow: none; }
  .mindmap-nodes > ul { display: grid; gap: 18px; border-left: 3px solid var(--ink); margin-left: 22px; padding: 8px 0 4px 18px; }
  .branch { position: relative; }
  .hub { position: relative; left: auto; top: auto; transform: none; display: inline-block; box-shadow: none; opacity: 1; animation: none; }
  .hub::before { content: ""; position: absolute; right: 100%; top: 50%; width: 18px; border-top: 3px solid var(--ink); }
  .branch ul { border-left: 2px solid var(--accent); margin: 6px 0 0 16px; padding-left: 12px; }
  .leaf, .leaf-left, .leaf-right { position: static; transform: none; opacity: 1; animation: none; }
  .leaf a { font-size: 16px; white-space: normal; padding: 7px 0; }
}

/* topic sections */
.topic { padding: clamp(48px, 7vw, 88px) 0 0; }
.topic h2 { display: flex; align-items: center; gap: 14px; font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin-bottom: 28px; }
.topic-dot { width: 18px; height: 18px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 22%, transparent); flex: none; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card {
  position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 16px 30px -22px rgb(20 38 46 / 0.5); }
.card h3 { font-size: 1.25rem; font-weight: 650; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.card h3 a:focus-visible { outline: none; }
.card:has(a:focus-visible) { outline: 3px solid var(--accent); outline-offset: 3px; }
.card p { margin: 0; color: var(--ink-2); font-size: 15.5px; line-height: 1.55; }
.card-icon { width: 56px; height: 56px; object-fit: contain; }
.card-dot { display: block; width: 56px; height: 56px; background: radial-gradient(circle at 14px 50%, var(--accent) 9px, transparent 10px), radial-gradient(circle at 14px 50%, color-mix(in srgb, var(--accent) 22%, transparent) 15px, transparent 16px); }

/* article */
.article-head { padding: clamp(32px, 6vw, 72px) 0 clamp(24px, 4vw, 40px); max-width: 920px; margin-left: max(var(--gutter), (100% - var(--wrap)) / 2); }
.crumbs { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0 0 22px; font-size: 14.5px; color: var(--ink-2); }
.crumbs li + li::before { content: "/"; margin-right: 6px; opacity: 0.5; }
.crumbs a { color: var(--ink-2); }
.crumbs li:nth-child(2):not(:last-child) { color: var(--accent-ink); font-weight: 600; }
.article-head h1 { font-size: clamp(2.1rem, 4.8vw, 3.6rem); font-weight: 700; letter-spacing: -0.035em; position: relative; }
.article-head h1::before {
  content: ""; display: block; width: 64px; height: 8px; border-radius: 99px; background: var(--accent); margin-bottom: 22px;
}
.lede { font: 400 clamp(1.1rem, 1.8vw, 1.3rem)/1.6 var(--serif); color: var(--ink-2); margin: 20px 0 0; max-width: 60ch; }
.article-meta { margin: 18px 0 0; font-size: 14.5px; color: var(--ink-2); }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 56px; padding-bottom: 72px; }
.article-layout.has-toc { grid-template-columns: 220px minmax(0, 760px); }
.toc { position: sticky; top: 96px; align-self: start; font-size: 14.5px; }
.toc-title { font-weight: 650; margin: 0 0 12px; text-transform: uppercase; letter-spacing: 0.08em; font-size: 12.5px; color: var(--ink-2); }
.toc ol { list-style: none; margin: 0; padding: 0 0 0 14px; border-left: 2px solid var(--line); }
.toc li { position: relative; }
.toc a { display: block; padding: 6px 0; color: var(--ink-2); text-decoration: none; line-height: 1.35; }
.toc a:hover { color: var(--ink); }
.toc a.is-current { color: var(--ink); }
.toc a.is-current::before { content: ""; position: absolute; left: -20px; top: 50%; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); transform: translateY(-50%); box-shadow: 0 0 0 3px var(--paper); }
@media (max-width: 1000px) {
  .article-layout.has-toc { grid-template-columns: minmax(0, 1fr); }
  .toc { display: none; }
}

/* prose */
.prose { font: 400 1.1rem/1.75 var(--serif); max-width: 760px; }
.prose > :first-child { margin-top: 0; }
.prose p, .prose ul, .prose ol, .prose blockquote, .prose figure, .prose table { margin: 0 0 1.3em; }
.prose h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin: 2.2em 0 0.7em; }
.prose h3 { font-size: clamp(1.3rem, 2.2vw, 1.55rem); margin: 1.8em 0 0.6em; }
.prose h4 { font-size: 1.15rem; margin: 1.6em 0 0.5em; font-weight: 650; }
.prose h2 + h3, .prose h3 + h4 { margin-top: 0.4em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 0.35em 0; }
.prose li::marker { color: var(--accent-ink); }
.prose strong { font-weight: 650; }
.prose mark { background: color-mix(in srgb, var(--marigold) 45%, transparent); color: inherit; padding: 0 0.15em; border-radius: 3px; }
.prose hr { border: 0; height: 1px; background: var(--line); margin: 2.4em 0; }
.prose blockquote { border-left: 4px solid var(--accent); padding: 0.2em 0 0.2em 1.2em; font-style: italic; color: var(--ink-2); }
.prose figure img, .prose > p img, .prose .cell > img { border-radius: 10px; }
.prose figure img { display: block; margin-inline: auto; border: 1px solid var(--line); background: var(--surface); }
.prose figure img[width="30"], .prose figure img[width="45"], .prose th img, .prose td img { border: 0; display: inline; border-radius: 0; }
.prose figcaption { font: 400 14px/1.5 var(--display); color: var(--ink-2); text-align: center; margin-top: 10px; }
.prose figure:has(table) { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.prose table { width: 100%; border-collapse: collapse; font: 400 15px/1.4 var(--display); margin: 0; }
.prose th, .prose td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: center; vertical-align: middle; }
.prose th:first-child, .prose td:first-child { text-align: left; }
.prose thead th { background: color-mix(in srgb, var(--accent) 8%, var(--surface)); font-weight: 650; }
.prose tbody tr:last-child td { border-bottom: 0; }
.prose .embed { margin: 1.8em 0; }
.prose .embed iframe { display: block; width: 100%; height: clamp(320px, 55vw, 460px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.prose .btn { font-size: 15.5px; margin: 0.2em 0.4em 0.6em 0; }
.prose .grid { display: grid; gap: 16px 28px; margin: 0 0 1.4em; }
.prose .grid > h2, .prose .grid > h3 { grid-column: 1 / -1; }
.prose .grid.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; }
.prose .grid.g3, .prose .grid.g4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.prose .grid .cell > :last-child { margin-bottom: 0; }
.prose .grid.g3 .cell, .prose .grid.g4 .cell { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; font-size: 1rem; }
.prose .grid .cell h3, .prose .grid .cell h4 { margin-top: 0.2em; }
.prose .callout { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: var(--radius); padding: 22px 24px; margin: 0 0 1.4em; }
.prose .callout > :last-child { margin-bottom: 0; }
@media (max-width: 640px) { .prose .grid.g2 { grid-template-columns: 1fr; } }

/* related + cta */
.related { padding: 0 0 72px; }
.related h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 24px; }
.cta-band { background: var(--ink); color: #fff; }
.cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px 48px; padding: clamp(40px, 6vw, 72px) 0; }
.cta-band h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
.cta-band p { margin: 10px 0 0; color: #c3d2d7; max-width: 52ch; font-family: var(--serif); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-band .btn { color: #fff; }
.cta-band .btn:hover { background: #fff; color: var(--ink); border-color: #fff; }
.cta-band .btn-solid { background: var(--coral-ink); border-color: var(--coral-ink); }
.page-home .cta-band { margin-top: clamp(56px, 8vw, 96px); }

/* footer */
.site-footer { background: #0e1c22; color: #c3d2d7; padding: 56px 0 28px; font-size: 15px; }
.site-footer a { color: #e6eef0; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer .brand { color: #fff; }
.site-footer .brand-tld { color: #9fb3ba; }
.foot-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 32px; }
.foot-brand p { margin: 16px 0 0; max-width: 34ch; line-height: 1.55; }
.foot-col h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: #fff; display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.foot-col h2::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.foot-col ul, .foot-legal ul { list-style: none; margin: 0; padding: 0; }
.foot-col li { margin: 8px 0; }
.foot-legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; margin-top: 48px; padding-top: 22px; border-top: 1px solid #23363e; font-size: 14px; }
.foot-legal p { margin: 0; }
.foot-legal ul { display: flex; flex-wrap: wrap; gap: 8px 22px; }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* callouts converted from "Tip" and "Did you know" boxes */
.prose aside.callout { position: relative; padding-left: 86px; min-height: 92px; }
.prose .callout-icon { position: absolute; left: 22px; top: 20px; width: 48px; height: 48px; border: 0; border-radius: 0; background: none; }
.prose aside.callout-tip { border-left-color: var(--marigold); }
.prose aside.callout-fact { border-left-color: var(--pink); }
.prose .callout-title { font: 650 0.85rem/1.3 var(--display); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-2); margin: 0 0 0.4em; }
.prose aside.callout-fact .callout-title { text-transform: none; letter-spacing: -0.01em; font-size: 1.15rem; color: var(--ink); }
@media (max-width: 520px) {
  .prose aside.callout { padding-left: 24px; padding-top: 76px; }
  .prose .callout-icon { top: 18px; left: 22px; }
}

/* cookie consent banner: its default #1891ff fails WCAG AA contrast on white */
#cb-wrapper { --cb-accent: var(--blue-ink); }