:root {
  --paper: #f3efe6;
  --ink: #171914;
  --line: rgba(23, 25, 20, 0.22);
  --soft-line: rgba(23, 25, 20, 0.12);
  --acid: #d8ff42;
  --coral: #ff7259;
  --blue: #5cc7dc;
  --violet: #ae91ff;
  --muted: #6b6e65;
  --mono: "DM Mono", monospace;
  --sans: "Manrope", Arial, sans-serif;
  --serif: "Newsreader", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font-family: var(--sans); margin: 0; overflow-x: hidden; }
a { color: inherit; }
button, input, select { font: inherit; }
button, select { color: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.skip-link { background: var(--acid); left: 1rem; padding: .7rem 1rem; position: fixed; top: -5rem; z-index: 20; }
.skip-link:focus { top: 1rem; }
.topbar {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  min-height: 74px;
  padding: 0 2rem;
}
.brand {
  align-items: center;
  background: var(--ink);
  border-radius: 50%;
  color: var(--paper);
  display: inline-flex;
  font: italic 500 1rem var(--serif);
  height: 34px;
  justify-content: center;
  text-decoration: none;
  width: 34px;
}
.all-guides { font-size: .72rem; margin-left: 1rem; text-decoration: none; }
.topbar nav { display: flex; gap: 1.5rem; justify-content: center; }
.topbar nav a, .topbar > span { font: .52rem var(--mono); letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }

.hero {
  display: grid;
  gap: 4rem;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, .7fr);
  min-height: 720px;
  overflow: hidden;
  padding: clamp(5rem, 9vw, 8.5rem) 2rem 2rem;
  position: relative;
}
.hero::before {
  background: var(--acid);
  border-radius: 50%;
  content: "";
  height: 36rem;
  left: -14rem;
  opacity: .74;
  position: absolute;
  top: 7rem;
  width: 36rem;
  z-index: -1;
}
.eyebrow, .section-heading > p, .section-heading > span, .panel-head > span, .window-topline span, .profile-copy > span, .guide-intro > span, .tax-rate-guide article > span, .hurdle-banner > span, .cagr-result > span, .hurdle-callout > span, .chart-heading span, .reality-grid article > span, .truth-line b, .record-warning b, .buffett-copy > span, .buffett-stats span, .horizon-heading span, .horizon-grid > article > span, .base-rate-grid span, .fee-intro > span, .reporting-grid article > span, .method-grid article > span, .sources > span {
  font: .55rem var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow { margin: 0 0 2rem; }
.hero-copy { min-width: 0; }
.hero h1 {
  font: 300 clamp(4.8rem, 9.4vw, 9rem)/.83 var(--serif);
  letter-spacing: -.06em;
  margin: 0;
  max-width: 10ch;
}
.hero h1 em { font-weight: 300; }
.lede { font-size: clamp(1.05rem, 1.55vw, 1.32rem); line-height: 1.5; margin: 3rem 0 0 47%; max-width: 32rem; }
.hero-ledger { align-self: center; border: 1px solid var(--ink); position: relative; transform: rotate(2deg); }
.ledger-head { border-bottom: 1px solid var(--ink); display: flex; font: .5rem var(--mono); justify-content: space-between; letter-spacing: .1em; padding: .8rem; }
.ledger-row { align-items: center; border-bottom: 1px solid var(--ink); display: grid; gap: .8rem; grid-template-columns: auto 1fr auto; padding: 1.6rem 1rem; }
.ledger-row b { font: 300 2.4rem var(--serif); }
.ledger-row i { border-top: 1px dashed var(--ink); }
.ledger-row span { font: .6rem var(--mono); letter-spacing: .1em; }
.ledger-stamp { background: var(--coral); border: 1px solid var(--ink); bottom: -2rem; font: .58rem var(--mono); letter-spacing: .12em; padding: 1rem; position: absolute; right: -1rem; transform: rotate(-8deg); }
.scroll-cue { align-items: center; bottom: 2rem; display: flex; font: .56rem var(--mono); gap: 1rem; left: 2rem; letter-spacing: .1em; position: absolute; text-decoration: none; text-transform: uppercase; }
.scroll-cue b { align-items: center; border: 1px solid var(--ink); border-radius: 50%; display: flex; font-size: 1rem; height: 42px; justify-content: center; width: 42px; }

.comparison-section, .method-section { padding: 6rem 2rem; }
.section-heading { display: grid; grid-template-columns: 3rem minmax(10rem, .8fr) 2fr; margin-bottom: 3rem; }
.section-heading > span, .section-heading > p { margin: .5rem 0 0; }
.section-heading h2 { font: 300 clamp(3.1rem, 6vw, 6.2rem)/.9 var(--serif); letter-spacing: -.05em; margin: 0; }

.window-lab { border: 1px solid var(--ink); }
.window-topline { align-items: end; border-bottom: 1px solid var(--ink); display: grid; gap: 1.5rem; grid-template-columns: minmax(15rem, 1fr) 12rem minmax(15rem, 1fr); padding: 1.25rem; }
.window-topline div { display: flex; flex-direction: column; gap: .55rem; }
.window-topline strong { font: 300 clamp(1.5rem, 2.8vw, 2.5rem) var(--serif); }
.window-topline p { color: var(--muted); font-size: .68rem; margin: 0; text-align: right; }
.starting-capital { display: flex; flex-direction: column; gap: .55rem; }
.starting-capital > span:first-child { font: .55rem var(--mono); letter-spacing: .1em; }
.capital-input { align-items: center; border: 1px solid var(--ink); display: grid; grid-template-columns: auto 1fr; min-height: 48px; padding: 0 .7rem; }
.capital-input b { font: 300 1.35rem var(--serif); }
.capital-input input { appearance: textfield; background: transparent; border: 0; color: inherit; font: 300 1.35rem var(--serif); min-width: 0; padding: .4rem 0 .4rem .35rem; width: 100%; }
.capital-input input::-webkit-inner-spin-button, .capital-input input::-webkit-outer-spin-button { appearance: none; margin: 0; }
.capital-input input:focus { outline: 0; }
.starting-capital:focus-within .capital-input { box-shadow: inset 0 0 0 2px var(--blue); }
.preset-row { border-bottom: 1px solid var(--ink); display: grid; grid-template-columns: repeat(5, 1fr); }
.preset-row button { background: transparent; border: 0; border-right: 1px solid var(--ink); font: .55rem var(--mono); letter-spacing: .08em; min-height: 52px; padding: .8rem; text-transform: uppercase; }
.preset-row button:last-child { border-right: 0; }
.preset-row button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.year-picker { align-items: center; display: grid; gap: 1.25rem; grid-template-columns: 8.5rem minmax(12rem, 1fr) 8.5rem; padding: 1.2rem; }
.year-number { display: flex; flex-direction: column; gap: .55rem; }
.year-number span { font: .55rem var(--mono); letter-spacing: .1em; }
.year-number input { background: transparent; border: 1px solid var(--ink); border-radius: 0; color: inherit; font: 300 1.35rem var(--serif); min-height: 48px; padding: .4rem .7rem; width: 100%; }
.dual-range { min-height: 68px; position: relative; }
.range-base { background: var(--soft-line); height: 4px; left: 0; position: absolute; right: 0; top: 20px; }
.range-base i { background: var(--ink); height: 100%; left: var(--range-start); position: absolute; right: calc(100% - var(--range-end)); }
.dual-range input[type="range"] { appearance: none; background: transparent; height: 44px; left: 0; margin: 0; pointer-events: none; position: absolute; top: 0; width: 100%; }
.dual-range input[type="range"]::-webkit-slider-runnable-track { background: transparent; height: 4px; }
.dual-range input[type="range"]::-webkit-slider-thumb { appearance: none; background: var(--paper); border: 2px solid var(--ink); border-radius: 50%; cursor: ew-resize; height: 22px; margin-top: -9px; pointer-events: auto; width: 22px; }
.dual-range input[type="range"]::-moz-range-track { background: transparent; height: 4px; }
.dual-range input[type="range"]::-moz-range-thumb { background: var(--paper); border: 2px solid var(--ink); border-radius: 50%; cursor: ew-resize; height: 18px; pointer-events: auto; width: 18px; }
.dual-range input[type="range"]:focus-visible { outline: 0; }
.dual-range input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px var(--blue); }
.dual-range input[type="range"]:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 4px var(--blue); }
.range-scale { bottom: 0; color: var(--muted); display: flex; font: .52rem var(--mono); justify-content: space-between; left: 0; letter-spacing: .06em; position: absolute; right: 0; text-transform: uppercase; }
.sr-only { clip: rect(0 0 0 0); clip-path: inset(50%); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }

input[type="range"] { accent-color: var(--ink); cursor: ew-resize; }
input[type="checkbox"] { accent-color: var(--ink); height: 20px; margin: .1rem 0 0; width: 20px; }
select { background: transparent; border: 1px solid var(--ink); border-radius: 0; min-height: 46px; padding: 0 .8rem; width: 100%; }
.shared-tax-profile { border: 1px solid var(--ink); border-top: 0; display: grid; grid-template-areas: "profile niit niit" "profile typical typical-rate" "profile ca ca-rate" "profile ny ny-rate"; grid-template-columns: 1.25fr 1fr 1fr; }
.shared-tax-profile > * { min-height: 108px; padding: 1.2rem; }
.profile-copy { border-right: 1px solid var(--ink); grid-area: profile; }
.shared-tax-profile > label[for="niitToggle"] { border-bottom: 1px solid var(--ink); grid-area: niit; }
.typical-state-toggle { border-bottom: 1px solid var(--ink); border-right: 1px solid var(--ink); grid-area: typical; }
.typical-state-rate { border-bottom: 1px solid var(--ink); grid-area: typical-rate; }
.ca-toggle { border-bottom: 1px solid var(--ink); border-right: 1px solid var(--ink); grid-area: ca; }
.ca-rate { border-bottom: 1px solid var(--ink); grid-area: ca-rate; }
.shared-tax-profile > label[for="nyToggle"] { border-right: 1px solid var(--ink); grid-area: ny; }
.ny-rate { grid-area: ny-rate; }
.profile-copy h3 { font: 300 1.55rem var(--serif); margin: .55rem 0; }
.profile-copy p, .check-control small, .range-control small { color: var(--muted); font-size: .65rem; line-height: 1.45; }
.profile-copy p { margin: 0; }
.check-control { align-items: start; cursor: pointer; display: flex; gap: .8rem; }
.check-control span { display: flex; flex-direction: column; gap: .55rem; }
.check-control b, .range-control b { font: .55rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.range-control { display: flex; flex-direction: column; gap: .7rem; }
.range-control > span { display: flex; justify-content: space-between; }
.range-control output { font: 500 .72rem var(--mono); }
.cadence-control select { min-height: 42px; }
.ny-rate[data-disabled="true"], .ca-rate[data-disabled="true"], .typical-state-rate[data-disabled="true"] { opacity: .44; }

.tax-rate-guide { border: 1px solid var(--ink); border-top: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.guide-intro { border-bottom: 1px solid var(--ink); grid-column: 1 / -1; padding: 1.3rem; }
.guide-intro h3 { font: 300 clamp(1.8rem, 3vw, 2.7rem) var(--serif); margin: .6rem 0; }
.guide-intro p { color: var(--muted); font-size: .72rem; line-height: 1.5; margin: 0; max-width: 80ch; }
.tax-rate-guide article { border-right: 1px solid var(--ink); min-height: 270px; padding: 1.2rem; }
.tax-rate-guide article:last-child { border-right: 0; }
.tax-rate-guide h4 { font: 300 1.65rem/1 var(--serif); margin: 3.5rem 0 1rem; }
.tax-rate-guide article p { color: var(--muted); font-size: .68rem; line-height: 1.55; margin: 0; }

.hurdle-banner { align-items: center; background: var(--blue); border: 1px solid var(--ink); border-top: 0; display: grid; gap: 1.4rem; grid-template-columns: minmax(8rem, .65fr) minmax(20rem, 1.35fr) minmax(12rem, 1fr); margin-top: 0; padding: 1.25rem 1.5rem; }
.hurdle-banner strong { font: 300 clamp(2.2rem, 4vw, 4.2rem)/.9 var(--serif); letter-spacing: -.04em; }
.hurdle-banner strong b { font-weight: 300; }
.hurdle-banner p { font-size: .7rem; line-height: 1.5; margin: 0; text-align: right; }

.comparison-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.comparison-window { border-top: 0; grid-column: 1 / -1; }
.path-panel { border: 1px solid var(--ink); min-width: 0; }
.trader-panel { border-left: 0; }
.comparison-result-panel { border-top: 0; }
.comparison-result-panel .return-scorecard { border-top: 0; }
.panel-head { min-height: 245px; padding: 1.5rem; }
.panel-head h3 { font: 300 clamp(2.6rem, 4.6vw, 4.8rem)/.9 var(--serif); letter-spacing: -.04em; margin: 4rem 0 1rem; }
.panel-head p { font-size: .78rem; line-height: 1.55; margin: 0; max-width: 60ch; }
.select-control { border-top: 1px solid var(--ink); display: grid; gap: 1rem; grid-template-columns: 1fr 9rem; min-height: 82px; padding: 1.05rem 1.5rem; }
.select-control > span { align-self: center; font: .53rem var(--mono); letter-spacing: .08em; line-height: 1.4; text-transform: uppercase; }
.trader-secondary-controls .range-control { border-top: 1px solid var(--ink); min-height: 100px; padding: 1rem 1.5rem; }
.return-scorecard { border-top: 1px solid var(--ink); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); min-height: 220px; }
.spy-scorecard { background: var(--acid); }
.trader-scorecard { background: var(--coral); }
.cagr-result { min-width: 0; padding: 1.4rem; }
.cagr-result + .cagr-result { border-left: 1px solid var(--ink); }
.cagr-result > span { display: block; line-height: 1.45; min-height: 2.4em; }
.cagr-result > strong { display: block; font: 300 clamp(2.6rem, 4.4vw, 4.8rem)/.88 var(--serif); letter-spacing: -.05em; margin-top: 2.8rem; }
.cagr-result > p { font-size: .64rem; line-height: 1.45; margin: .75rem 0 0; }
.alpha-result > strong { align-items: baseline; display: flex; flex-wrap: wrap; gap: .35rem .55rem; }
.alpha-result strong b { font: inherit; font-weight: 300; }
.alpha-result strong small { font: 500 .58rem var(--mono); letter-spacing: .08em; }
.metric-list { margin: 0; }
.metric-list div { align-items: center; border-top: 1px solid var(--ink); display: flex; justify-content: space-between; min-height: 54px; padding: .8rem 1.5rem; }
.metric-list dt { font-size: .67rem; }
.metric-list dd { font: 400 .72rem var(--mono); margin: 0; text-align: right; }
.path-strip { align-items: center; border-top: 1px solid var(--ink); display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; min-height: 105px; padding: 1rem 1.5rem; }
.path-strip span { display: flex; flex-direction: column; font-size: .62rem; gap: .45rem; }
.path-strip b { font: .5rem var(--mono); }
.path-strip em { font-style: normal; }
.path-strip i { font-style: normal; padding: 0 .5rem; }
.hurdle-callout { background: var(--ink); color: var(--paper); min-height: 105px; padding: 1rem 1.5rem; }
.hurdle-callout p { color: #d9ddd3; font: 300 .92rem/1.45 var(--serif); margin: 1rem 0 0; max-width: 58ch; }

.race-chart { background: var(--ink); color: var(--paper); margin-top: 4rem; }
.chart-heading { align-items: end; border-bottom: 1px solid rgba(243,239,230,.22); display: grid; gap: 2rem; grid-template-columns: minmax(18rem, 1fr) minmax(22rem, 1.2fr); padding: 1.5rem; }
.chart-heading h3 { font: 300 clamp(1.8rem, 3.5vw, 3rem) var(--serif); margin: .5rem 0 0; }
.legend { display: grid; font-size: .63rem; gap: .55rem; justify-self: end; min-width: min(100%, 31rem); width: 100%; }
.legend > button { align-items: center; background: transparent; border: 0; color: inherit; display: grid; gap: .2rem .55rem; grid-template-columns: 24px auto 1fr; letter-spacing: 0; padding: .25rem 0; text-align: left; text-transform: none; }
.legend > button[aria-pressed="false"] { opacity: .38; }
.legend > button[aria-pressed="false"] i { filter: grayscale(1); }
.legend i { display: inline-block; grid-row: 1 / span 2; height: 3px; width: 24px; }
.legend b { font: 500 .52rem var(--mono); letter-spacing: .08em; }
.legend small { color: #bfc3ba; font: .58rem var(--sans); text-align: right; }
.spy-key { background: var(--acid); }
.trader-key { background: var(--coral); }
.no-tax-key { background: repeating-linear-gradient(90deg, var(--violet) 0 6px, transparent 6px 10px); }
.chart-toolbar { align-items: center; border-bottom: 1px solid rgba(243,239,230,.22); display: grid; gap: 1rem; grid-template-columns: auto auto 1fr; padding: .8rem 1.5rem; }
.chart-view-controls, .chart-zoom-controls { display: flex; }
.chart-toolbar button { background: transparent; border: 1px solid rgba(243,239,230,.4); color: var(--paper); font: .5rem var(--mono); letter-spacing: .08em; min-height: 34px; padding: .45rem .7rem; }
.chart-toolbar button + button { border-left: 0; }
.chart-view-controls button[aria-pressed="true"] { background: var(--acid); color: var(--ink); }
.chart-zoom-controls output { align-items: center; border-bottom: 1px solid rgba(243,239,230,.4); border-top: 1px solid rgba(243,239,230,.4); display: inline-flex; font: .55rem var(--mono); justify-content: center; min-width: 112px; }
.chart-summary-control { align-items: center; display: flex; gap: .8rem; justify-self: end; min-width: 0; }
.chart-summary-control > span { color: #bfc3ba; font: .56rem var(--mono); letter-spacing: .05em; text-align: right; text-transform: uppercase; }
.chart-summary-control label { display: flex; flex: 0 0 auto; flex-direction: column; gap: .25rem; }
.chart-summary-control label > span { color: #bfc3ba; font: .45rem var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.chart-summary-control select { border-color: rgba(243,239,230,.55); color: var(--paper); font: .52rem var(--mono); letter-spacing: .06em; min-height: 34px; padding: 0 1.8rem 0 .6rem; width: auto; }
.chart-summary-control option { background: var(--ink); color: var(--paper); }
.canvas-wrap { height: 640px; padding: 1.25rem; position: relative; }
.canvas-wrap canvas { cursor: crosshair; display: block; height: 100%; touch-action: pan-y; width: 100%; }
.canvas-wrap canvas[data-selecting="true"] { cursor: zoom-in; }
.chart-tooltip { background: rgba(23,25,20,.96); border: 1px solid rgba(243,239,230,.45); color: var(--paper); font-size: .64rem; left: 0; line-height: 1.45; min-width: 190px; padding: .7rem .8rem; pointer-events: none; position: absolute; top: 0; z-index: 2; }
.chart-tooltip b { display: block; font: .52rem var(--mono); letter-spacing: .08em; margin-bottom: .45rem; text-transform: uppercase; }
.chart-tooltip span { align-items: center; display: flex; gap: .55rem; justify-content: space-between; margin-top: .25rem; }
.chart-tooltip i { border-radius: 50%; display: inline-block; height: 7px; margin-right: .35rem; width: 7px; }
.chart-tooltip em { color: var(--coral); display: block; font: normal .54rem var(--mono); margin-top: .55rem; text-transform: uppercase; }
.race-chart > p { border-top: 1px solid rgba(243,239,230,.22); color: #bfc3ba; font-size: .67rem; line-height: 1.5; margin: 0; padding: 1rem 1.5rem; }
.race-chart > .chart-help { border-top: 0; color: #e3e5df; font: .56rem var(--mono); letter-spacing: .06em; padding-bottom: .65rem; padding-top: .65rem; text-transform: uppercase; }

.annual-ledger { border: 1px solid var(--ink); border-top: 0; }
.annual-ledger summary { align-items: center; cursor: pointer; display: flex; font: .55rem var(--mono); justify-content: space-between; letter-spacing: .08em; min-height: 58px; padding: 1rem 1.3rem; text-transform: uppercase; }
.annual-ledger summary b { font-weight: 400; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; min-width: 760px; width: 100%; }
th, td { border-top: 1px solid var(--ink); padding: .8rem 1.3rem; text-align: right; }
th:first-child, td:first-child { text-align: left; }
th { background: var(--ink); color: var(--paper); font: .5rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
td { font: .65rem var(--mono); }
.annual-ledger > p { color: var(--muted); font-size: .62rem; line-height: 1.5; margin: 0; padding: 1rem 1.3rem; }

.reality-section { background: var(--ink); color: var(--paper); padding: 6rem 2rem; }
.dark-heading > span, .dark-heading > p { color: #bec3b8; }
.reality-grid { border: 1px solid rgba(243,239,230,.35); display: grid; grid-template-columns: repeat(3, 1fr); }
.reality-grid article { border-right: 1px solid rgba(243,239,230,.35); min-height: 340px; padding: 1.5rem; }
.reality-grid article:last-child { border-right: 0; }
.reality-grid h3 { font: 300 clamp(2rem, 3.2vw, 3.4rem)/.95 var(--serif); margin: 5rem 0 1.4rem; }
.reality-grid p { color: #c3c7bf; font-size: .78rem; line-height: 1.6; }
.reality-grid article:first-child { box-shadow: inset 0 8px 0 var(--blue); }
.reality-grid article:nth-child(2) { box-shadow: inset 0 8px 0 var(--acid); }
.reality-grid article:nth-child(3) { box-shadow: inset 0 8px 0 var(--violet); }
.truth-line { align-items: start; background: var(--acid); color: var(--ink); display: grid; gap: 2rem; grid-template-columns: 1fr 3fr; padding: 1.5rem; }
.truth-line p { font: 300 clamp(1.35rem, 2.4vw, 2.15rem)/1.25 var(--serif); margin: 0; max-width: 56ch; }

.records-section { padding: 6rem 2rem; }
.record-warning { align-items: start; background: var(--acid); border: 1px solid var(--ink); display: grid; gap: 2rem; grid-template-columns: 1fr 3fr; padding: 1.4rem; }
.record-warning p { font: 300 clamp(1.25rem, 2vw, 1.8rem)/1.25 var(--serif); margin: 0; max-width: 62ch; }
.buffett-card { border: 1px solid var(--ink); display: grid; grid-template-columns: minmax(18rem, .8fr) minmax(0, 1.2fr); margin-top: 4rem; }
.buffett-copy { border-right: 1px solid var(--ink); padding: 1.5rem; }
.buffett-copy h3 { font: 300 clamp(2.4rem, 4.2vw, 4.4rem)/.92 var(--serif); letter-spacing: -.04em; margin: 4rem 0 1.2rem; }
.buffett-copy p { color: var(--muted); font-size: .75rem; line-height: 1.6; margin: 0; }
.buffett-stats { display: grid; grid-template-columns: 1fr 1fr; }
.buffett-stats > div { min-height: 215px; padding: 1.3rem; }
.buffett-stats > div:nth-child(odd) { border-right: 1px solid var(--ink); }
.buffett-stats > div:nth-child(-n+2) { border-bottom: 1px solid var(--ink); }
.buffett-stats strong { display: block; font: 300 clamp(2.3rem, 4vw, 4rem)/.9 var(--serif); letter-spacing: -.04em; margin-top: 3rem; }
.buffett-stats small { color: var(--muted); display: block; font-size: .62rem; line-height: 1.45; margin-top: .7rem; }
.horizon-heading { align-items: end; display: flex; justify-content: space-between; margin: 5rem 0 1.3rem; }
.horizon-heading h3 { font: 300 clamp(2rem, 3.4vw, 3.4rem) var(--serif); margin: .5rem 0 0; }
.horizon-heading p { color: var(--muted); font-size: .68rem; line-height: 1.5; margin: 0; max-width: 36rem; text-align: right; }
.horizon-census-note { border: 1px solid var(--ink); display: grid; gap: 2rem; grid-template-columns: minmax(12rem, .45fr) minmax(0, 1.55fr); padding: 1.3rem; }
.horizon-census-note > span { font: .55rem var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.horizon-census-note p { color: var(--muted); font-size: .7rem; line-height: 1.6; margin: 0; max-width: 110ch; }
.horizon-census-note b { color: var(--ink); font-weight: 600; }
.horizon-glossary { border: 1px solid var(--ink); border-top: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.horizon-glossary > div { min-height: 175px; padding: 1.2rem; }
.horizon-glossary > div:not(:last-child) { border-right: 1px solid var(--ink); }
.horizon-glossary span { font: .52rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.horizon-glossary p { color: var(--muted); font-size: .66rem; line-height: 1.55; margin: 2.5rem 0 0; }
.horizon-grid { border: 1px solid var(--ink); border-top: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.horizon-grid > article { border-right: 1px solid var(--ink); display: flex; flex-direction: column; min-height: 960px; padding: 1.2rem; }
.horizon-grid > article:last-child { border-right: 0; }
.horizon-grid .horizon-period { margin: 2.8rem 0 0; min-height: 8.5rem; }
.horizon-period b { color: var(--ink); font-weight: 600; }
.horizon-grid h4 { font: 500 .75rem var(--sans); margin: 1rem 0 .7rem; }
.horizon-grid p { color: var(--muted); font-size: .66rem; line-height: 1.55; margin: 0; }
.horizon-list-note { color: var(--muted); display: block; font-size: .58rem; line-height: 1.45; margin-top: .8rem; }
.horizon-stats { margin: 0 -1.2rem; padding: 0 1.2rem; }
.horizon-stats div { border-top: 1px solid var(--ink); padding: .75rem 0; }
.horizon-stats dt { font: .5rem/1.45 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.horizon-stats dd { font: 300 1.25rem/1.1 var(--serif); margin: .35rem 0 0; }
.horizon-examples { border-top: 1px solid var(--ink); margin: auto -1.2rem -1.2rem; padding: 1.2rem; }
.horizon-examples > span { font: 500 .55rem var(--mono); letter-spacing: .1em; }
.horizon-example { border-top: 1px solid var(--ink); margin-top: 1rem; padding-top: .2rem; }
.horizon-example h4 { margin-top: .8rem; }
.example-comparison { border: 1px solid var(--ink); display: grid; grid-template-columns: 1fr 1fr; margin: 1rem 0; }
.example-comparison div { min-width: 0; padding: .65rem; }
.example-comparison div:last-child { background: rgba(91,192,214,.14); border-left: 1px solid var(--ink); }
.example-comparison dt { font: .44rem/1.4 var(--mono); letter-spacing: .04em; min-height: 4.2em; text-transform: uppercase; }
.example-comparison dd { font: 300 1.2rem/1 var(--serif); margin: .7rem 0 0; }
.example-takehome { margin: 1rem 0 0; }
.example-takehome div { align-items: end; border-top: 1px solid var(--ink); display: flex; gap: .8rem; justify-content: space-between; padding: .55rem 0; }
.example-takehome dt { font: .46rem/1.35 var(--mono); letter-spacing: .04em; max-width: 68%; text-transform: uppercase; }
.example-takehome dd { flex: 0 0 auto; font: 300 1rem/1 var(--serif); margin: 0; text-align: right; }
.horizon-example > small { color: var(--muted); display: block; font-size: .52rem; line-height: 1.45; margin-top: .65rem; }
.horizon-example-boundary { margin-top: 1.4rem; }
.horizon-example-boundary .example-takehome dd { font-size: .9rem; }
.horizon-footnote { color: var(--muted); font-size: .62rem; line-height: 1.55; margin: 1rem 0 0; max-width: 120ch; }
.base-rate-grid { background: var(--blue); border: 1px solid var(--ink); border-top: 0; display: grid; grid-template-columns: 1fr 1fr; }
.base-rate-grid > div { min-height: 260px; padding: 1.3rem; }
.base-rate-grid > div:first-child { border-right: 1px solid var(--ink); }
.base-rate-lead strong { display: block; font: 300 clamp(4rem, 7vw, 7rem)/.85 var(--serif); letter-spacing: -.05em; margin-top: 2.3rem; }
.base-rate-grid p { font-size: .68rem; line-height: 1.55; margin: 1rem 0 0; max-width: 56ch; }
.base-rate-grid dl { margin: 2rem 0 0; }
.base-rate-grid dl div { align-items: center; border-top: 1px solid var(--ink); display: flex; justify-content: space-between; padding: .65rem 0; }
.base-rate-grid dt { font-size: .68rem; }
.base-rate-grid dd { font: 400 .75rem var(--mono); margin: 0; }
.fee-lab { background: var(--ink); color: var(--paper); display: grid; grid-template-columns: minmax(18rem, .85fr) minmax(18rem, 1fr) minmax(18rem, 1fr); margin-top: 4rem; }
.fee-intro, .fee-controls, .fee-ledger { min-width: 0; }
.fee-intro { border-right: 1px solid rgba(243,239,230,.35); padding: 1.5rem; }
.fee-intro h3 { font: 300 clamp(2.3rem, 4vw, 4rem)/.92 var(--serif); letter-spacing: -.04em; margin: 4rem 0 1.2rem; }
.fee-intro p, .fee-footnote { color: #c3c7bf; font-size: .69rem; line-height: 1.6; }
.fee-controls { border-right: 1px solid rgba(243,239,230,.35); }
.fee-controls .range-control { border-bottom: 1px solid rgba(243,239,230,.35); min-height: 150px; padding: 1.3rem; }
.fee-controls .range-control:last-child { border-bottom: 0; }
.fee-controls input[type="range"] { accent-color: var(--acid); }
.fee-ledger { margin: 0; }
.fee-ledger div { align-items: center; border-bottom: 1px solid rgba(243,239,230,.35); display: flex; justify-content: space-between; min-height: 61px; padding: .8rem 1.2rem; }
.fee-ledger div:last-child { border-bottom: 0; }
.fee-ledger dt { font-size: .65rem; }
.fee-ledger dd { font: 400 .72rem var(--mono); margin: 0; text-align: right; }
.fee-ledger .fee-net { background: var(--coral); color: var(--ink); }
.fee-footnote { border-top: 1px solid rgba(243,239,230,.35); grid-column: 1 / -1; margin: 0; padding: 1rem 1.5rem; }
.reporting-grid { border: 1px solid var(--ink); border-top: 0; display: grid; grid-template-columns: repeat(3, 1fr); }
.reporting-grid article { border-right: 1px solid var(--ink); min-height: 310px; padding: 1.3rem; }
.reporting-grid article:last-child { border-right: 0; }
.reporting-grid h3 { font: 300 clamp(1.8rem, 3vw, 3rem)/1 var(--serif); margin: 4rem 0 1rem; }
.reporting-grid p { color: var(--muted); font-size: .7rem; line-height: 1.6; margin: 0; }

.method-grid { border: 1px solid var(--ink); display: grid; grid-template-columns: 1fr 1fr; }
.method-grid article { border-bottom: 1px solid var(--ink); min-height: 230px; padding: 1.5rem; }
.method-grid article:nth-child(odd) { border-right: 1px solid var(--ink); }
.method-grid article:nth-last-child(-n+2) { border-bottom: 0; }
.method-grid p { font: 300 1.16rem/1.5 var(--serif); margin: 4rem 0 0; max-width: 55ch; }
.sources { border: 1px solid var(--ink); border-top: 0; display: flex; flex-direction: column; }
.sources > span, .sources a { border-bottom: 1px solid var(--ink); padding: .95rem 1.3rem; }
.sources a { font-size: .7rem; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.sources a:last-child { border-bottom: 0; }
.disclaimer { color: var(--muted); font-size: .68rem; line-height: 1.6; margin: 1.4rem 0; max-width: 75rem; }
.next-guide { align-items: center; background: var(--coral); border: 1px solid var(--ink); display: flex; justify-content: space-between; margin-top: 4rem; padding: 1.5rem; text-decoration: none; }
.next-guide span { font: .54rem var(--mono); letter-spacing: .1em; }
.next-guide b { font: 300 clamp(1.5rem, 3vw, 2.7rem) var(--serif); }

@media (max-width: 980px) {
  .hero { gap: 2rem; grid-template-columns: 1fr .6fr; }
  .lede { margin-left: 25%; }
  .year-picker { grid-template-columns: 7rem minmax(10rem, 1fr) 7rem; }
  .tax-rate-guide { grid-template-columns: 1fr 1fr; }
  .tax-rate-guide article { border-bottom: 1px solid var(--ink); }
  .tax-rate-guide article:nth-child(odd) { border-right: 0; }
  .tax-rate-guide article:nth-last-child(-n+2) { border-bottom: 0; }
  .hurdle-banner { grid-template-columns: 1fr; }
  .hurdle-banner p { text-align: left; }
  .buffett-card { grid-template-columns: 1fr; }
  .buffett-copy { border-bottom: 1px solid var(--ink); border-right: 0; }
  .horizon-grid { grid-template-columns: 1fr 1fr; }
  .horizon-grid > article { border-bottom: 1px solid var(--ink); }
  .horizon-grid > article:nth-child(even) { border-right: 0; }
  .horizon-grid > article:nth-last-child(-n+2) { border-bottom: 0; }
  .fee-lab { grid-template-columns: 1fr 1fr; }
  .fee-intro { border-bottom: 1px solid rgba(243,239,230,.35); grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .topbar { grid-template-columns: auto 1fr auto; padding: 0 1rem; }
  .topbar nav { display: none; }
  .topbar > span { text-align: right; }
  .hero { display: block; max-width: 100vw; min-height: 710px; padding: 5.5rem 1rem 6rem; width: 100vw; }
  .hero-copy { max-width: calc(100vw - 2rem); width: calc(100vw - 2rem); }
  .hero h1 { font-size: clamp(3.8rem, 19vw, 5.2rem); max-width: 7.2ch; }
  .lede { margin: 2.5rem 0 0; max-width: calc(100vw - 2rem); overflow-wrap: break-word; width: calc(100vw - 2rem); }
  .hero-ledger { margin: 4rem 0 0 12vw; min-width: 0; width: calc(88vw - 1rem); }
  .scroll-cue { bottom: 1rem; left: 1rem; }
  .comparison-section, .method-section, .reality-section, .records-section { padding: 4rem 1rem; }
  .section-heading { gap: .5rem; grid-template-columns: 2rem 1fr; }
  .section-heading h2 { grid-column: 1 / -1; margin-top: 1.5rem; }
  .window-topline { align-items: start; gap: 1rem; grid-template-columns: 1fr; }
  .window-topline p { text-align: left; }
  .preset-row { grid-template-columns: 1fr 1fr; }
  .preset-row button { border-bottom: 1px solid var(--ink); }
  .preset-row button:nth-child(even) { border-right: 0; }
  .preset-row button:last-child { border-bottom: 0; grid-column: 1 / -1; }
  .year-picker { gap: 1rem; grid-template-columns: 1fr 1fr; }
  .dual-range { grid-column: 1 / -1; grid-row: 2; }
  .shared-tax-profile { display: block; }
  .shared-tax-profile > * { border-bottom: 1px solid var(--ink); border-right: 0; min-height: 0; }
  .shared-tax-profile > *:last-child { border-bottom: 0; }
  .tax-rate-guide { grid-template-columns: 1fr; }
  .guide-intro { grid-column: auto; }
  .tax-rate-guide article, .tax-rate-guide article:nth-child(odd), .tax-rate-guide article:nth-last-child(-n+2) { border-bottom: 1px solid var(--ink); border-right: 0; min-height: 0; }
  .tax-rate-guide article:last-child { border-bottom: 0; }
  .tax-rate-guide h4 { margin-top: 2.5rem; }
  .comparison-grid { grid-template-columns: 1fr; }
  .comparison-window { grid-column: 1; }
  .trader-panel { border-left: 1px solid var(--ink); border-top: 0; }
  .panel-head { min-height: 0; }
  .panel-head h3 { margin-top: 3rem; }
  .select-control { grid-template-columns: 1fr 7.5rem; }
  .return-scorecard { min-height: 190px; }
  .cagr-result { padding: 1.1rem; }
  .cagr-result > strong { font-size: clamp(2.3rem, 11vw, 4rem); margin-top: 2.2rem; }
  .path-strip { grid-template-columns: 1fr; gap: .65rem; }
  .path-strip i { display: none; }
  .chart-heading { align-items: start; gap: 1.2rem; grid-template-columns: 1fr; }
  .legend { justify-self: start; }
  .legend > button { grid-template-columns: 20px auto; }
  .legend small { grid-column: 2; text-align: left; }
  .chart-toolbar { align-items: start; grid-template-columns: 1fr; padding: .8rem 1rem; }
  .chart-summary-control { align-items: start; flex-direction: column; justify-self: start; }
  .chart-summary-control > span { text-align: left; }
  .canvas-wrap { height: 500px; padding: .7rem; }
  .chart-tooltip { min-width: 165px; }
  .reality-grid, .method-grid { grid-template-columns: 1fr; }
  .reality-grid article { border-bottom: 1px solid rgba(243,239,230,.35); border-right: 0; min-height: 280px; }
  .reality-grid article:last-child { border-bottom: 0; }
  .reality-grid h3 { margin-top: 3.5rem; }
  .truth-line { grid-template-columns: 1fr; }
  .record-warning { grid-template-columns: 1fr; }
  .buffett-stats { grid-template-columns: 1fr; }
  .buffett-stats > div, .buffett-stats > div:nth-child(odd), .buffett-stats > div:nth-child(-n+2) { border-bottom: 1px solid var(--ink); border-right: 0; min-height: 180px; }
  .buffett-stats > div:last-child { border-bottom: 0; }
  .horizon-heading { align-items: start; flex-direction: column; gap: 1rem; }
  .horizon-heading p { text-align: left; }
  .horizon-census-note { gap: 1rem; grid-template-columns: 1fr; }
  .horizon-glossary { grid-template-columns: 1fr; }
  .horizon-glossary > div, .horizon-glossary > div:not(:last-child) { border-bottom: 1px solid var(--ink); border-right: 0; min-height: 0; }
  .horizon-glossary > div:last-child { border-bottom: 0; }
  .horizon-glossary p { margin-top: 1.5rem; }
  .horizon-grid, .base-rate-grid, .fee-lab, .reporting-grid { grid-template-columns: 1fr; }
  .horizon-grid > article, .horizon-grid > article:nth-child(even), .horizon-grid > article:nth-last-child(-n+2), .base-rate-grid > div:first-child, .reporting-grid article { border-bottom: 1px solid var(--ink); border-right: 0; min-height: 0; }
  .horizon-grid > article:last-child, .base-rate-grid > div:last-child, .reporting-grid article:last-child { border-bottom: 0; }
  .horizon-grid .horizon-period { min-height: 0; }
  .fee-intro, .fee-controls { border-bottom: 1px solid rgba(243,239,230,.35); border-right: 0; }
  .fee-controls .range-control { min-height: 125px; }
  .method-grid article, .method-grid article:nth-child(odd), .method-grid article:nth-last-child(-n+2) { border-bottom: 1px solid var(--ink); border-right: 0; }
  .method-grid article:last-child { border-bottom: 0; }
  .method-grid p { margin-top: 2.5rem; }
  .next-guide { align-items: start; flex-direction: column; gap: 1.5rem; }
}

@media (max-width: 360px) {
  .cagr-result { padding: .9rem; }
  .cagr-result > strong { font-size: 2.05rem; }
  .cagr-result > p { font-size: .59rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; }
}