/* Modernist design tokens + component classes, adapted from the WhatsMyMortgage.ca
   design system for production use. Archivo is self-hosted (see
   assets/fonts/) rather than loaded from Google Fonts, per the perf/SEO
   brief — one less render-blocking cross-origin request. */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/assets/fonts/archivo-variable.woff2') format('woff2-variations'), url('/assets/fonts/archivo-variable.woff2') format('woff2');
}

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-accent: #ec3013;
  --color-accent-2: #e15b47;
  --color-divider: color-mix(in srgb, #201e1d 40%, transparent);

  --color-neutral-100: #f8f4f4;
  --color-neutral-200: #eae7e7;
  --color-neutral-300: #d7d3d3;
  --color-neutral-400: #bab6b6;
  --color-neutral-500: #9b9797;
  --color-neutral-600: #7d7979;
  --color-neutral-700: #605d5d;
  --color-neutral-800: #444141;
  --color-neutral-900: #2d2b2b;

  --color-accent-100: #fff2ef;
  --color-accent-200: #ffe0d9;
  --color-accent-300: #ffc4b8;
  --color-accent-400: #ff9783;
  --color-accent-500: #ff563c;
  --color-accent-600: #dd2b0f;
  --color-accent-700: #ae1800;
  --color-accent-800: #7c1405;
  --color-accent-900: #4d170e;

  --font-heading: "Archivo", system-ui, sans-serif;
  --font-heading-weight: 800;
  --font-body: "Archivo", system-ui, sans-serif;

  /* Type scale — seven fixed steps, weight and tracking fixed per step,
     letter-spacing tightens as size increases. Every font-size in the
     project should be one of these; nothing ad hoc. */
  --text-13: 13px; --track-13: 0.02em;  --weight-13: 700;
  --text-15: 15px; --track-15: 0;       --weight-15: 400;
  --text-17: 17px; --track-17: -0.005em; --weight-17: 600;
  --text-21: 21px; --track-21: -0.012em; --weight-21: 800;
  --text-28: 28px; --track-28: -0.018em; --weight-28: 800;
  --text-40: 40px; --track-40: -0.024em; --weight-40: 800;
  --text-56: 56px; --track-56: -0.03em;  --weight-56: 800;

  /* Spacing — 8px grid (4px half-steps where a finer touch is genuinely
     needed). Section-level gaps use -10/-12, roughly 3x a typical
     in-section element gap of -3/-4, per the "space carries structure"
     rule: that ratio alone should read as organisation, no divider needed. */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #2d2b2b 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2d2b2b 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2d2b2b 22%, transparent);
}

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

*, *::before, *::after { box-sizing: border-box; }

html, body { min-height: 100%; }
body {
  margin: 0; background: var(--color-bg); color: var(--color-text);
  font-family: var(--font-body); font-size: var(--text-15); line-height: 1.55; font-weight: 400;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); line-height: 1.12; margin: 0 0 var(--space-2);
}
h1 { font-size: var(--text-56); font-weight: var(--weight-56); letter-spacing: var(--track-56); }
h2 { font-size: var(--text-40); font-weight: var(--weight-40); letter-spacing: var(--track-40); }
h3 { font-size: var(--text-28); font-weight: var(--weight-28); letter-spacing: var(--track-28); }
h4 { font-size: var(--text-21); font-weight: var(--weight-21); letter-spacing: var(--track-21); }
h5 { font-size: var(--text-17); font-weight: var(--weight-17); letter-spacing: var(--track-17); }
h6 { font-size: var(--text-13); font-weight: var(--weight-13); letter-spacing: var(--track-13); text-transform: uppercase; }
p { margin: 0 0 var(--space-3); max-width: 68ch; }
/* Brand color is deliberate, not incidental: it lives at fixed structural
   points — the logo, the hero, category icons, the answer on a result
   card, primary buttons, active nav state — so the site reads as one
   consistent brand at a glance. It does not spread to ordinary body links
   or prose, which stay ink + underline; that's what keeps "branded" from
   sliding into "everything is red." */
a { color: var(--color-text); text-decoration-color: color-mix(in srgb, var(--color-text) 40%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
img { display: block; max-width: 100%; }
button { font: inherit; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }
/* Custom slider thumb: bigger than any browser default (28px, well past
   the 44px touch target once you count the invisible hit area browsers
   already pad range inputs with) and ink-colored rather than accent — a
   slider's current-value indicator is UI chrome, not brand decoration, and
   a page can show several of them at once. */
input[type="range"] {
  height: 44px; width: 100%; margin: 0; padding: 0;
  background: transparent; -webkit-appearance: none; appearance: none;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px; background: var(--color-neutral-400); border-radius: 2px;
}
input[type="range"]::-moz-range-track {
  height: 4px; background: var(--color-neutral-400); border-radius: 2px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; margin-top: -12px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--color-neutral-900); border: 3px solid var(--color-bg);
  box-shadow: var(--shadow-sm); cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 28px; height: 28px; border-radius: 50%; border: 3px solid var(--color-bg);
  background: var(--color-neutral-900); box-shadow: var(--shadow-sm); cursor: pointer;
}
input[type="range"]:focus-visible::-webkit-slider-thumb { outline: 2px solid var(--color-accent); outline-offset: 2px; }
input[type="range"]:focus-visible::-moz-range-thumb { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.hr { height: 2px; border: 0; margin: var(--space-4) 0; background: var(--color-divider); }

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: var(--text-15); line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-3) var(--space-4); min-height: 44px;
  border-radius: var(--radius-md);
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent-600); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--color-accent-700); }
.btn-primary:active:not(:disabled) { background: var(--color-accent-800); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-text); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--color-text) 40%, transparent); padding-inline: var(--space-1); }
.btn-ghost:hover { text-decoration-color: currentColor; }
.btn-block { width: 100%; margin-top: var(--space-2); justify-content: flex-start; text-align: left; }

/* — forms — */
.field > label { display: block; font-size: var(--text-13); margin-bottom: 5px; color: color-mix(in srgb, var(--color-text) 70%, transparent); }
.input {
  width: 100%; min-height: 44px; padding: 6px 12px; font: inherit;
  font-size: var(--text-15); color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
select.input { appearance: auto; cursor: pointer; }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 1000;
  background: var(--color-accent-600); color: #fff;
  padding: 10px 16px; font-family: var(--font-heading); font-weight: 800; font-size: var(--text-13);
  text-decoration: none;
}
.skip-link:focus { left: 8px; top: 8px; }
.seg { display: inline-flex; overflow: hidden; border: 1px solid var(--color-divider); border-radius: var(--radius-md); }
.seg-opt { display: inline-flex; align-items: center; gap: 6px; padding: 12px 14px; font-size: var(--text-13); cursor: pointer; min-height: 44px; }
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.seg-opt:has(input:checked) { background: var(--color-accent-600); color: #fff; }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; }

/* — cards — */
.card { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface); }
.card-title { font-family: var(--font-heading); font-weight: var(--weight-17); font-size: var(--text-17); line-height: 1.2; margin: 0; }
.card-body { margin: 0; font-size: var(--text-13); opacity: 0.8; }
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }

/* — nav — */
.nav { display: flex; flex-wrap: wrap; row-gap: var(--space-2); align-items: center; gap: var(--space-4); padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-divider); background: var(--color-bg); position: relative; z-index: 20; }
.nav-brand { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: var(--text-17); margin-right: auto; display: flex; align-items: center; gap: 8px; cursor: pointer; background: none; border: none; padding: 0; color: inherit; white-space: nowrap; text-decoration: none; }
.nav-links { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-4); align-items: center; }
.nav a, .nav button.link { color: inherit; text-decoration: none; font-size: var(--text-15); font-weight: 600; background: none; border: none; cursor: pointer; font-family: var(--font-body); padding: 10px 2px; min-height: 44px; display: inline-flex; align-items: center; white-space: nowrap; border-bottom: 2px solid transparent; }
.nav a:hover, .nav button.link:hover { color: var(--color-accent-700); }
.nav a[aria-current='page'] { border-bottom-color: var(--color-accent); color: var(--color-accent-700); }

.nav-dropdown { position: relative; }
.nav-dropdown summary {
  list-style: none; display: inline-flex; align-items: center; gap: 5px;
  font-size: var(--text-15); font-weight: 600; padding: 10px 2px; min-height: 44px;
  cursor: pointer; border-bottom: 2px solid transparent;
}
.nav-dropdown summary::-webkit-details-marker { display: none; }
.nav-dropdown summary:hover { color: var(--color-accent-700); }
.nav-dropdown summary svg { transition: transform .15s; }
.nav-dropdown[open] summary { color: var(--color-accent-700); border-bottom-color: var(--color-accent); }
.nav-dropdown[open] summary svg { transform: rotate(180deg); }
.nav-dropdown-panel {
  position: absolute; top: calc(100% + 10px); left: 0; z-index: 30;
  background: var(--color-bg); border: 1px solid var(--color-divider); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: var(--space-2); min-width: 260px;
  display: flex; flex-direction: column; gap: 2px;
}
.nav-dropdown-item {
  display: flex; align-items: center; gap: var(--space-3); padding: 10px var(--space-2);
  border-radius: var(--radius-sm); min-height: 44px; font-size: var(--text-15); font-weight: 600;
  color: inherit; text-decoration: none; white-space: normal;
}
.nav-dropdown-item:hover { background: var(--color-accent-100); color: var(--color-accent-800); }
.nav-dropdown-icon { display: flex; flex: none; width: 32px; height: 32px; align-items: center; justify-content: center; border-radius: 50%; background: var(--color-accent-100); color: var(--color-accent-700); }
@media (max-width: 480px) {
  .nav-dropdown-panel { left: -12px; right: -12px; min-width: 0; }
}

/* — layout helpers — */
.container { max-width: 1080px; margin: 0 auto; padding: 0 var(--space-4); }
.container-narrow { max-width: 720px; margin: 0 auto; padding: 0 var(--space-4); }
.container-mid { max-width: 820px; margin: 0 auto; padding: 0 var(--space-4); }
.section { padding: var(--space-8) 0; }
.section-shaded { background: var(--color-neutral-100); border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-3); }
.grid-auto-md { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-4); }
.grid-auto-lg { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-4); }
.back-link { font-size: var(--text-13); font-weight: 800; font-family: var(--font-heading); display: inline-block; margin-bottom: var(--space-3); }
.info-dot { display: inline-flex; width: 17px; height: 17px; border: 1px solid var(--color-divider); border-radius: 50%; align-items: center; justify-content: center; font-size: 10px; font-style: italic; color: var(--color-neutral-700); vertical-align: middle; }

/* — nav brand mark — */
.brand-mark { width: 30px; height: 30px; background: var(--color-accent-600); color: #fff; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); flex: none; }

/* — clickable card — */
.click-card { cursor: pointer; transition: transform .15s, box-shadow .15s; text-align: left; border: none; font: inherit; color: inherit; width: 100%; }
.click-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* — home hero — */
.hero-band {
  background:
    radial-gradient(ellipse 900px 500px at 85% -10%, var(--color-accent-200) 0%, transparent 60%),
    linear-gradient(180deg, var(--color-accent-100) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-divider);
}
.hero { padding: var(--space-12) 0 var(--space-8); text-align: left; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-heading); font-weight: 800; font-size: var(--text-13);
  letter-spacing: .06em; text-transform: uppercase; color: var(--color-accent-700);
  margin-bottom: var(--space-4);
}
.hero h1 { font-size: clamp(32px, 5.6vw, var(--text-56)); letter-spacing: var(--track-56); margin: 0 0 var(--space-3); }
.hero p { font-size: var(--text-17); opacity: .75; max-width: 56ch; margin: 0; }
.hero-badges { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); margin-top: var(--space-6); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--text-13); font-weight: 700; color: var(--color-accent-800);
  background: color-mix(in srgb, var(--color-bg) 55%, transparent);
  border: 1px solid var(--color-accent-300); border-radius: 999px;
  padding: 6px 12px;
}
.hero-badge svg { flex: none; }

/* — journey selector (home's centerpiece) — plain regions, not boxed cards:
   whitespace and a hover tint carry the separation, not borders. */
.journey-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-6); }
.journey-card {
  display: flex; flex-direction: column; padding: var(--space-6);
  border: 1px solid var(--color-divider); border-radius: var(--radius-lg);
  background: var(--color-bg); box-shadow: var(--shadow-sm);
  transition: box-shadow .15s, transform .15s, border-color .15s;
}
.journey-card:has(.journey-link:hover) { box-shadow: var(--shadow-md); border-color: var(--color-accent-300); transform: translateY(-2px); }
.journey-link { display: block; text-decoration: none; color: inherit; flex: 1; }
.journey-link:hover .journey-title { text-decoration: underline; text-decoration-color: var(--color-accent); }
.journey-icon {
  display: flex; align-items: center; justify-content: center; width: 44px; height: 44px;
  border-radius: 50%; background: var(--color-accent-100); color: var(--color-accent-700);
  margin-bottom: var(--space-4);
}
.journey-title { font-family: var(--font-heading); font-weight: var(--weight-21); font-size: var(--text-21); letter-spacing: var(--track-21); margin-bottom: 6px; }
.journey-desc { font-size: var(--text-15); opacity: .7; margin: 0; }
.journey-read { display: inline-flex; align-items: center; min-height: 44px; margin-top: var(--space-3); font-size: var(--text-13); font-weight: 700; color: var(--color-accent-700); }

/* — how it works — */
.how-it-works { display: flex; flex-wrap: wrap; gap: var(--space-6); }
.how-step { flex: 1 1 220px; display: flex; gap: var(--space-3); align-items: flex-start; }
.how-n { flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--color-accent-600); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); font-weight: 800; font-size: var(--text-13); }
.how-text { font-size: var(--text-15); line-height: 1.5; padding-top: 3px; }

/* — trust strip — plain text, no badges/borders — */
.trust-strip { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.trust-item {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--text-13); font-weight: 700; color: var(--color-neutral-800);
  background: var(--color-surface); border-radius: 999px; padding: 7px 14px;
}
.trust-item svg { color: var(--color-accent-600); flex: none; }

/* — result card — */
.result-card { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--color-divider); border-radius: var(--radius-lg); overflow: hidden; }
.result-header { padding: var(--space-6); position: relative; }
.result-kicker { font-size: var(--text-13); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; }
.result-big { font-family: var(--font-heading); font-weight: 800; font-size: clamp(34px, 6vw, var(--text-56)); letter-spacing: var(--track-56); font-variant-numeric: tabular-nums; line-height: 1; }
.result-subtitle { font-size: var(--text-15); margin-top: 8px; max-width: 44ch; }
.result-tiles { display: grid; grid-template-columns: 1fr 1fr; border-top: 2px solid var(--color-divider); }
.result-tile { padding: var(--space-4); border-right: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider); }
.result-tile-label { font-size: var(--text-13); opacity: .7; margin-bottom: 4px; }
.result-tile-value { font-family: var(--font-heading); font-weight: 800; font-size: var(--text-21); font-variant-numeric: tabular-nums; letter-spacing: var(--track-21); }
.result-notes { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-4); border-top: 1px solid var(--color-divider); }
.result-note { padding: 6px 0 6px var(--space-3); font-size: var(--text-15); line-height: 1.5; }
.result-details { border-top: 1px solid var(--color-divider); padding: var(--space-3) var(--space-4); }
.result-details summary { cursor: pointer; font-family: var(--font-heading); font-weight: 800; font-size: var(--text-15); min-height: 44px; display: flex; align-items: center; }
.ledger-group { margin-top: var(--space-3); }
.ledger-header { font-size: var(--text-13); letter-spacing: .08em; text-transform: uppercase; opacity: .7; margin-bottom: 4px; }
.ledger-row, .assumption-row { display: flex; justify-content: space-between; gap: var(--space-3); padding: 5px 0; border-bottom: 1px solid var(--color-divider); font-size: var(--text-15); }
.ledger-row span:first-child { opacity: .8; }
.ledger-row span:last-child { font-variant-numeric: tabular-nums; font-weight: 600; }
.assumption-row { font-size: var(--text-13); }
.assumption-row span:first-child { opacity: .65; }

/* — calculator page: four zones (input / answer / explanation / next).
   Mobile-first order is answer, then input — the result must be visible
   without scrolling past the inputs. Desktop restores input-left,
   answer-right (both above the fold) via the row layout + order swap. */
.calc-page { padding-top: var(--space-6); padding-bottom: var(--space-12); }
.calc-h1 { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-28); letter-spacing: var(--track-28); margin: var(--space-3) 0 var(--space-6); }
.calc-h1-icon { display: flex; flex: none; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; background: var(--color-accent-100); color: var(--color-accent-700); }
.calc-layout { display: flex; flex-direction: column; gap: var(--space-6); }
.calc-answer-zone { order: 1; }
.calc-input-zone { order: 2; padding: var(--space-6); }
@media (min-width: 860px) {
  .calc-layout { flex-direction: row; flex-wrap: wrap; align-items: flex-start; gap: var(--space-4); }
  .calc-input-zone { order: 1; flex: 1 1 480px; }
  .calc-answer-zone { order: 2; flex: 1 1 360px; max-width: 400px; position: sticky; top: 16px; }
}
.calc-explanation-zone { margin: var(--space-12) auto 0; padding: 0 var(--space-4); }
.calc-explanation-zone h2, .calc-next-zone h2 { font-size: var(--text-21); letter-spacing: var(--track-21); }
.calc-next-zone { margin: var(--space-10) auto 0; padding: 0 var(--space-4); max-width: 820px; }
.next-links { display: flex; flex-direction: column; gap: var(--space-2); }
.next-link { font-weight: 600; }
.slider-row { margin-bottom: var(--space-4); }
.slider-row-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; gap: var(--space-2); }
.slider-label { font-size: var(--text-15); display: flex; align-items: center; gap: 6px; }
.slider-value { font-family: var(--font-heading); font-weight: 800; font-size: var(--text-17); font-variant-numeric: tabular-nums; letter-spacing: var(--track-17); white-space: nowrap; }
.toggle-row { margin-bottom: var(--space-3); }
.toggle-label { font-size: var(--text-15); margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }

/* — contact card — */
.contact-card { border: 1px solid var(--color-divider); border-radius: var(--radius-lg); padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-4); background: var(--color-bg); }
.contact-fields { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.contact-consent { display: flex; gap: 8px; font-size: var(--text-13); align-items: flex-start; opacity: .85; cursor: pointer; }
.trust-note { font-size: var(--text-13); opacity: .7; margin: 0; }

/* — glossary tooltip — */
.term-btn { width: 17px; height: 17px; border-radius: 50%; border: 1px solid var(--color-divider); background: transparent; color: var(--color-neutral-700); font-size: 10px; font-weight: 800; font-family: var(--font-heading); font-style: italic; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; padding: 0; line-height: 1; flex: none; text-decoration: none; }
.term-btn:hover { text-decoration: none; background: color-mix(in srgb, var(--color-text) 8%, transparent); border-color: var(--color-text); color: var(--color-text); }
.term-tooltip { position: fixed; z-index: 200; width: min(310px, 80vw); background: var(--color-neutral-900); box-shadow: var(--shadow-lg); padding: 10px 12px; }
.term-tooltip-title { font-family: var(--font-heading); font-weight: 800; font-size: var(--text-13); margin-bottom: 4px; color: #fff; }
.term-tooltip-def { font-size: var(--text-13); line-height: 1.5; color: rgba(255,255,255,.82); }

/* — jargon page — */
.jargon-item { padding: var(--space-3) 0; border-bottom: 1px solid var(--color-divider); scroll-margin-top: 16px; }
.jargon-item:target { background: var(--color-accent-100); outline: 2px solid var(--color-accent); outline-offset: 2px; padding-left: var(--space-2); }
.jargon-term { font-family: var(--font-heading); font-weight: 800; font-size: var(--text-17); margin-bottom: 3px; }
.jargon-def { font-size: var(--text-15); line-height: 1.5; opacity: .75; margin: 0; }

/* — learn article: single column, no sidebar — */
.learn-article { padding-top: var(--space-6); padding-bottom: var(--space-12); }
.learn-eyebrow { font-size: var(--text-13); text-transform: uppercase; opacity: .7; margin: var(--space-4) 0 6px; }
.learn-h1 { font-size: var(--text-28); letter-spacing: var(--track-28); margin: 0 0 var(--space-4); display: flex; align-items: center; gap: 8px; }
.learn-body { font-size: var(--text-17); line-height: 1.7; opacity: .85; max-width: 64ch; }

/* — footer — */
.site-footer { border-top: 2px solid var(--color-divider); margin-top: var(--space-8); }
.footer-grid { max-width: 1080px; margin: 0 auto; padding: var(--space-8) var(--space-4) var(--space-6); display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-6); }
.footer-brand { display: flex; align-items: center; gap: 8px; margin-bottom: var(--space-3); font-family: var(--font-heading); font-weight: 800; }
.footer-heading { margin: 0 0 var(--space-3); font-size: var(--text-13); letter-spacing: .08em; text-transform: uppercase; opacity: .7; }
.footer-links { display: flex; flex-direction: column; gap: 8px; font-size: var(--text-15); }
.footer-legal { border-top: 1px solid var(--color-divider); }
.footer-legal-inner { max-width: 1080px; margin: 0 auto; padding: var(--space-4); }

@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-fields { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}