:root {
  color-scheme: light;
  --bg: #f1ece4;
  --paper: #f7f3eb;
  --ink: #18161a;
  --ink-2: #2c2925;
  --muted: #7a756c;
  --dim: #aaa49a;
  --line: #d0c9bb;
  --line-2: #b8b0a2;
  --warm: #5c4838;
  --positive: #35654a;
  --negative: #9c392e;
  --github-contrib-0: #ebedf0;
  --github-contrib-1: #9be9a8;
  --github-contrib-2: #40c463;
  --github-contrib-3: #30a14e;
  --github-contrib-4: #216e39;
  --github-muted: #59636e;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  font-size: 15px;
  line-height: 1.55;
  font-feature-settings: 'kern', 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(1320px, calc(100% - 72px)); margin-inline: auto; }
.scroll-progress { position: fixed; z-index: 100; inset: 0 auto auto 0; height: 2px; width: 0; background: var(--warm); }

.site-header {
  position: sticky;
  z-index: 80;
  top: 0;
  background: rgba(241, 236, 228, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.header-inner {
  width: min(1320px, calc(100% - 72px));
  min-height: 74px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
}
.identity { display: inline-flex; align-items: center; gap: 14px; width: max-content; font-size: 14px; font-weight: 700; }
.identity img { width: 42px; height: 42px; object-fit: cover; }
.header-inner nav { display: flex; align-items: center; gap: 30px; }
.header-inner nav a { position: relative; padding: 26px 0 22px; color: var(--muted); font-size: 14px; font-weight: 500; text-transform: lowercase; }
.header-inner nav a::after { content: ''; position: absolute; inset: auto 0 16px; height: 1px; background: var(--ink); transform: scaleX(0); transition: transform .25s var(--ease); }
.header-inner nav a:hover, .header-inner nav a.active { color: var(--ink); }
.header-inner nav a:hover::after, .header-inner nav a.active::after { transform: scaleX(1); }
.lang-toggle { justify-self: end; border: 0; background: transparent; color: var(--muted); font-size: 13px; font-weight: 600; cursor: pointer; padding: 8px 0 8px 12px; }
.lang-toggle:hover { color: var(--ink); }

.hero {
  min-height: 0;
  padding: 56px 0 52px;
  display: grid;
  grid-template-columns: minmax(360px, .92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: 72px;
  border-bottom: 1px solid var(--line);
}
.kicker, .section-index { color: var(--muted); font-family: 'Space Grotesk', sans-serif; font-size: 14px; font-weight: 600; letter-spacing: .075em; }
.hero h1 { margin: 24px 0 20px; font-family: 'Space Grotesk', sans-serif; font-size: clamp(48px, 5.5vw, 76px); line-height: .92; letter-spacing: -.055em; font-weight: 700; }
.hero h1 span { display: block; white-space: nowrap; }
.hero-cn { max-width: 720px; font-size: 17px; line-height: 1.7; }
.period { display: inline-block; margin-top: 20px; padding-bottom: 10px; border-bottom: 1px solid var(--line); color: var(--muted); font-family: 'Space Grotesk', sans-serif; font-size: 14px; }
.hero-proof { align-self: center; border-right: 1px solid var(--line); padding-right: 58px; }
.metric-label { max-width: 340px; font-family: 'Space Grotesk', sans-serif; font-size: 14px; font-weight: 600; letter-spacing: .055em; }
.hero-number { display: block; margin-top: 14px; color: var(--warm); font-family: 'Space Grotesk', sans-serif; font-size: clamp(58px, 6.4vw, 86px); line-height: .98; letter-spacing: -.055em; font-weight: 500; font-variant-numeric: tabular-nums; }
.hero-unit { display: block; margin-top: 8px; color: var(--muted); font-size: 14px; }
.hero-breakdown { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
.hero-breakdown > span { display: flex; flex-direction: column; gap: 4px; }
.hero-breakdown small { color: var(--muted); font-family: 'Space Grotesk', sans-serif; font-size: 13px; letter-spacing: .07em; }
.hero-breakdown strong { font-family: 'Space Grotesk', sans-serif; font-size: 17px; font-weight: 500; font-variant-numeric: tabular-nums; }
.plus { color: var(--positive); }
.minus { color: var(--negative); }
.metric-balance, .impact-balance { display: flex; width: 100%; overflow: hidden; background: var(--paper); }
.metric-balance { height: 8px; margin-top: 12px; }
.metric-balance-del { border-left: 2px solid var(--bg); }
.metric-balance span, .impact-balance span, .pr-progress-track span, .tech-bar span { width: var(--progress, 0%); transition: width 1.1s var(--ease); }
.metric-balance-add, #impact-add-progress { background: var(--positive); }
.metric-balance-del, #impact-del-progress { background: var(--negative); }
.hero-net { display: block; margin-top: 18px; color: var(--warm); font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-variant-numeric: tabular-nums; }

.headline-strip { display: grid; grid-template-columns: 1.1fr 1.55fr .9fr .78fr .7fr; border-bottom: 1px solid var(--line); }
.headline-item { min-height: 146px; padding: 30px 28px; display: flex; flex-direction: column; justify-content: center; gap: 12px; border-left: 1px solid var(--line); }
.headline-item:first-child { border-left: 0; padding-left: 0; }
.headline-item:last-child { padding-right: 0; }
.headline-value { display: flex; flex-direction: column; gap: 8px; }
.headline-value > strong { font-family: 'Space Grotesk', sans-serif; font-size: clamp(28px, 2.5vw, 38px); line-height: .95; letter-spacing: -.04em; font-weight: 500; font-variant-numeric: tabular-nums; white-space: nowrap; }
.headline-value > span { min-height: 20px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.headline-value b { color: var(--ink-2); font-weight: 600; font-variant-numeric: tabular-nums; }
.headline-label { color: var(--ink-2); font-size: 14px; font-weight: 500; }

.story-section { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 72px; padding: 70px 0; border-bottom: 1px solid var(--line); }
.section-intro h2 { margin: 14px 0 10px; font-family: 'Space Grotesk', sans-serif; font-size: 24px; line-height: 1.2; letter-spacing: -.02em; }
.section-intro > p:not(.section-index) { color: var(--muted); font-size: 14px; line-height: 1.7; }
.chart-legend { margin-top: 58px; display: flex; gap: 10px; align-items: flex-start; color: var(--ink-2); font-size: 14px; line-height: 1.45; }
.legend-line { width: 28px; height: 3px; margin-top: 6px; background: var(--warm); flex: 0 0 auto; }
.chart-panel { position: relative; min-width: 0; }
.chart-readout { position: absolute; z-index: 2; top: 8px; right: 6px; display: grid; justify-items: end; pointer-events: none; }
.chart-readout > span:first-child { color: var(--muted); font-size: 13px; }
.chart-readout strong { color: var(--warm); font-family: 'Space Grotesk', sans-serif; font-size: 26px; letter-spacing: -.035em; }
.chart-readout > span:last-child { color: var(--muted); font-size: 13px; }
#line-chart { display: block; width: 100%; height: 360px; }
.scrubber { display: grid; grid-template-columns: auto minmax(120px, 1fr) auto; align-items: center; gap: 16px; margin-top: 8px; color: var(--muted); font-family: 'Space Grotesk', sans-serif; font-size: 13px; }
.scrubber input { width: 100%; height: 18px; background: transparent; cursor: ew-resize; accent-color: var(--warm); }
.scrubber input::-webkit-slider-runnable-track { height: 1px; background: var(--line-2); }
.scrubber input::-webkit-slider-thumb { width: 13px; height: 13px; margin-top: -6px; appearance: none; -webkit-appearance: none; border: 2px solid var(--bg); border-radius: 50%; background: var(--warm); box-shadow: 0 0 0 1px var(--warm); }
.drag-hint { margin-top: 10px; text-align: center; color: var(--dim); font-family: 'Space Grotesk', sans-serif; font-size: 13px; letter-spacing: .055em; }

.rhythm-total { margin-top: 48px; display: flex; align-items: baseline; gap: 8px; }
.rhythm-total strong { color: var(--github-contrib-4); font-family: 'Space Grotesk', sans-serif; font-size: 30px; font-weight: 500; }
.rhythm-total span { color: var(--muted); font-size: 14px; }
.heatmap-panel { position: relative; min-width: 0; padding-top: 12px; }
.heatmap-scroll { overflow-x: auto; padding: 0 4px 12px; scrollbar-color: var(--line-2) transparent; }
.heatmap-months { display: grid; grid-template-columns: repeat(15, 18px); column-gap: 5px; min-width: 340px; margin-left: 48px; height: 28px; color: var(--github-muted); font-family: 'Space Grotesk', sans-serif; font-size: 13px; }
.heatmap-months span { white-space: nowrap; }
.heatmap-body { display: flex; gap: 12px; min-width: max-content; }
.weekday-labels { width: 36px; height: 156px; display: grid; grid-template-rows: repeat(7, 18px); row-gap: 5px; color: var(--github-muted); font-size: 13px; align-items: center; }
.heatmap-grid { display: grid; grid-template-rows: repeat(7, 18px); grid-auto-flow: column; grid-auto-columns: 18px; gap: 5px; min-height: 156px; }
.heatmap-cell, .heatmap-pad { width: 18px; height: 18px; }
.heatmap-cell { border: 0; background: var(--github-contrib-0); cursor: crosshair; transition: transform .16s var(--ease), outline-color .16s; }
.heatmap-cell[data-level="1"] { background: var(--github-contrib-1); }
.heatmap-cell[data-level="2"] { background: var(--github-contrib-2); }
.heatmap-cell[data-level="3"] { background: var(--github-contrib-3); }
.heatmap-cell[data-level="4"] { background: var(--github-contrib-4); }
.heatmap-cell:hover, .heatmap-cell:focus-visible { position: relative; z-index: 2; transform: scale(1.35); outline: 1px solid var(--github-contrib-4); outline-offset: 2px; }
.heatmap-key { margin: 18px 0 0 48px; display: flex; align-items: center; gap: 7px; color: var(--github-muted); font-size: 13px; }
.heatmap-key i { width: 13px; height: 13px; background: var(--github-contrib-0); }
.heatmap-key i[data-level="1"] { background: var(--github-contrib-1); }
.heatmap-key i[data-level="2"] { background: var(--github-contrib-2); }
.heatmap-key i[data-level="3"] { background: var(--github-contrib-3); }
.heatmap-key i[data-level="4"] { background: var(--github-contrib-4); }
.data-tooltip { position: fixed; z-index: 120; width: 240px; padding: 15px 16px; background: #24292f; color: #f0f6fc; font-size: 13px; line-height: 1.6; pointer-events: none; }
.data-tooltip strong { display: block; margin-bottom: 7px; font-family: 'Space Grotesk', sans-serif; font-size: 14px; }
.data-tooltip span { display: flex; justify-content: space-between; gap: 12px; color: #b7c0c8; }
.data-tooltip b { color: #fff; font-weight: 500; font-variant-numeric: tabular-nums; }

.pr-panel { min-width: 0; padding: 8px 0 2px; }
.pr-counts { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pr-counts > div { padding: 24px 26px; display: grid; grid-template-columns: 1fr auto; align-items: baseline; column-gap: 16px; }
.pr-counts > div + div { border-left: 1px solid var(--line); }
.pr-counts > div > span { color: var(--muted); font-family: 'Space Grotesk', sans-serif; font-size: 13px; letter-spacing: .065em; }
.pr-counts strong { grid-row: span 2; font-family: 'Space Grotesk', sans-serif; font-size: clamp(36px, 4vw, 54px); line-height: .95; letter-spacing: -.045em; font-weight: 500; font-variant-numeric: tabular-nums; }
.pr-counts small { color: var(--muted); font-size: 13px; }
.pr-progress-block { padding: 34px 0 28px; }
.pr-progress-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.pr-progress-head > span { color: var(--muted); font-family: 'Space Grotesk', sans-serif; font-size: 13px; letter-spacing: .065em; }
.pr-progress-head strong { font-family: 'Space Grotesk', sans-serif; font-size: 18px; font-weight: 500; font-variant-numeric: tabular-nums; }
.pr-progress-track { height: 46px; margin-top: 14px; overflow: hidden; background: var(--paper); }
.pr-progress-track span { display: block; height: 100%; background: var(--warm); }
.pr-progress-foot { display: flex; align-items: baseline; gap: 14px; margin-top: 14px; }
.pr-progress-foot strong { color: var(--warm); font-family: 'Space Grotesk', sans-serif; font-size: 34px; line-height: 1; letter-spacing: -.035em; font-weight: 500; font-variant-numeric: tabular-nums; }
.pr-progress-foot span { color: var(--muted); font-size: 14px; }
.pr-direct-note { display: flex; align-items: baseline; gap: 14px; padding-top: 22px; border-top: 1px solid var(--line); }
.pr-direct-note strong { font-family: 'Space Grotesk', sans-serif; font-size: 26px; font-weight: 500; font-variant-numeric: tabular-nums; }
.pr-direct-note span { color: var(--ink-2); font-size: 14px; }

.impact-section { align-items: start; }
.impact-content { min-width: 0; }
.impact-visual { padding: 28px 0 34px; border-top: 1px solid var(--line); }
.impact-visual-head { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; }
.impact-visual-head > span { color: var(--muted); font-family: 'Space Grotesk', sans-serif; font-size: 13px; letter-spacing: .065em; }
.impact-visual-head strong { font-family: 'Space Grotesk', sans-serif; font-size: 26px; line-height: 1.05; letter-spacing: -.025em; font-weight: 500; font-variant-numeric: tabular-nums; }
.impact-visual-head small { color: var(--muted); font-family: 'Inter', sans-serif; font-size: 13px; letter-spacing: 0; }
.impact-legend { display: flex; flex-wrap: wrap; gap: 18px 28px; margin-top: 26px; }
.impact-legend > span { display: flex; align-items: center; gap: 8px; }
.impact-legend i { width: 9px; height: 9px; }
.legend-add { background: var(--positive); }
.legend-del { background: var(--negative); }
.impact-legend b { font-family: 'Space Grotesk', sans-serif; font-size: 17px; font-weight: 500; font-variant-numeric: tabular-nums; }
.impact-legend small { color: var(--muted); font-size: 13px; }
.impact-balance { height: 54px; margin-top: 16px; }
.impact-balance span { display: flex; height: 100%; opacity: .88; }
#impact-del-progress { border-left: 3px solid var(--bg); }
.impact-result { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 24px; margin-top: 18px; }
.impact-result > span { display: flex; flex-direction: column; gap: 4px; }
.impact-result > span:last-child { align-items: flex-end; }
.impact-result small { color: var(--muted); font-family: 'Space Grotesk', sans-serif; font-size: 13px; letter-spacing: .065em; }
.impact-result b { font-family: 'Space Grotesk', sans-serif; font-size: 17px; font-weight: 500; }
.impact-result strong { color: var(--warm); font-family: 'Space Grotesk', sans-serif; font-size: 32px; line-height: 1; letter-spacing: -.035em; font-weight: 500; font-variant-numeric: tabular-nums; }
.impact-table { border-top: 1px solid var(--line); }
.impact-row { display: grid; grid-template-columns: 1.55fr repeat(4, 1fr); min-height: 126px; border-bottom: 1px solid var(--line); }
.impact-row > div { padding: 30px 24px; display: flex; flex-direction: column; justify-content: center; border-left: 1px solid var(--line); }
.impact-row > div:first-child { border-left: 0; padding-left: 0; }
.impact-row > div:last-child { padding-right: 0; }
.impact-row strong { font-family: 'Space Grotesk', sans-serif; font-size: clamp(18px, 1.7vw, 24px); line-height: 1.05; letter-spacing: -.025em; font-weight: 500; white-space: nowrap; }
.impact-row span { margin-top: 9px; color: var(--muted); font-size: 14px; }
.impact-name strong { font-size: 14px; letter-spacing: 0; }
.impact-name span { letter-spacing: .04em; }
.impact-row .plus { color: var(--positive); }
.impact-row .minus { color: var(--negative); }
.effective-row { background: rgba(247, 243, 235, .52); }

.tech-panel { padding-top: 24px; }
.tech-bar { display: flex; width: 100%; height: 34px; overflow: hidden; background: var(--paper); }
.tech-bar span { display: block; min-width: 12px; }
.tech-bar span + span { border-left: 3px solid var(--bg); }
.tech-ts { background: var(--warm); }
.tech-sql { background: #958675; }
.tech-other { background: #c9c1b6; }
.tech-labels { display: grid; grid-template-columns: 87fr 9fr minmax(140px, 4fr); gap: 14px; margin-top: 18px; }
.tech-labels div { display: flex; flex-direction: column; min-width: 0; }
.tech-labels strong { font-family: 'Space Grotesk', sans-serif; font-size: 26px; line-height: 1; font-weight: 500; font-variant-numeric: tabular-nums; }
.tech-labels span { margin-top: 7px; color: var(--muted); font-size: 14px; line-height: 1.5; }

.js-motion [data-animate-number] { font-variant-numeric: tabular-nums; }
.js-motion .metric-balance span,
.js-motion .impact-balance span,
.js-motion .pr-progress-track span,
.js-motion .tech-bar span { width: 0; }
.js-motion [data-animate-group].is-active .metric-balance span,
.js-motion [data-animate-group].is-active .impact-balance span,
.js-motion [data-animate-group].is-active .pr-progress-track span,
.js-motion [data-animate-group].is-active .tech-bar span { width: var(--progress, 0%); }

.methodology { padding: 58px 0 68px; border-bottom: 1px solid var(--ink); }
.method-grid { display: grid; grid-template-columns: 1.2fr 1.4fr 1.6fr 1fr; gap: 0; margin-top: 18px; }
.method-grid > div { min-height: 138px; padding: 22px 28px; border-left: 1px solid var(--line); }
.method-grid > div:first-child { border-left: 0; padding-left: 0; }
.method-grid > div:last-child { padding-right: 0; }
.method-grid strong { font-family: 'Space Grotesk', sans-serif; font-size: 14px; }
.method-grid p { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.7; }

.site-footer { min-height: 142px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 30px; }
.site-footer > div { display: flex; align-items: center; gap: 12px; }
.site-footer img { width: 42px; height: 42px; object-fit: cover; }
.site-footer > div span { display: flex; flex-direction: column; }
.site-footer strong { font-size: 14px; }
.site-footer small { margin-top: 3px; color: var(--muted); font-size: 13px; }
.site-footer p { justify-self: center; max-width: 320px; color: var(--ink-2); font-size: 14px; }
.site-footer > a { justify-self: end; color: var(--muted); font-size: 14px; }
.site-footer > a:hover { color: var(--warm); }
.noscript { padding: 20px; background: var(--ink); color: var(--bg); text-align: center; }

.reveal { opacity: 1; transform: none; }

@media (max-width: 1040px) {
  .shell, .header-inner { width: min(100% - 40px, 920px); }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 38px; padding: 50px 0 46px; }
  .hero-proof { display: block; padding: 0 0 38px; border-right: 0; border-bottom: 1px solid var(--line); }
  .hero-breakdown, .metric-balance { max-width: 440px; }
  .headline-strip { grid-template-columns: repeat(6, 1fr); }
  .headline-item { grid-column: span 2; border-bottom: 1px solid var(--line); }
  .headline-item:nth-child(2) { grid-column: span 4; }
  .headline-item:nth-child(3) { border-left: 0; }
  .headline-item:nth-last-child(-n+3) { border-bottom: 0; }
  .story-section { grid-template-columns: 190px minmax(0, 1fr); gap: 36px; }
  .impact-row { grid-template-columns: 1.35fr repeat(2, 1fr); }
  .impact-row > div:nth-child(4), .impact-row > div:nth-child(5) { border-top: 1px solid var(--line); }
  .impact-row > div:nth-child(4) { grid-column: 2; }
  .impact-row > div:nth-child(5) { grid-column: 3; }
  .impact-name { grid-row: span 2; }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .method-grid > div:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .method-grid > div:nth-child(4) { border-top: 1px solid var(--line); }
}

@media (max-width: 720px) {
  .shell, .header-inner { width: min(100% - 32px, 680px); }
  .header-inner { min-height: 66px; grid-template-columns: auto 1fr auto; gap: 14px; }
  .identity span { display: none; }
  .identity img { width: 36px; height: 36px; }
  .header-inner nav { min-width: 0; gap: 18px; overflow-x: auto; }
  .header-inner nav a { padding: 23px 0 19px; font-size: 13px; }
  .lang-toggle { font-size: 13px; white-space: nowrap; }
  .hero { padding: 42px 0 40px; gap: 32px; }
  .hero h1 { font-size: clamp(40px, 12vw, 58px); margin-top: 20px; }
  .hero-cn { font-size: 15px; }
  .hero-proof { display: block; }
  .hero-number { font-size: clamp(52px, 15vw, 68px); }
  .hero-net { margin-top: 14px; }
  .headline-strip { grid-template-columns: repeat(2, 1fr); }
  .headline-item, .headline-item:nth-child(2) { grid-column: span 1; min-height: 104px; padding: 24px 14px; border: 0; border-bottom: 1px solid var(--line); }
  .headline-item:nth-child(even) { border-left: 1px solid var(--line); }
  .headline-item:first-child { padding-left: 0; }
  .headline-item:last-child { padding-right: 0; border-left: 0; }
  .headline-item:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .headline-item:last-child { grid-column: span 2; border-bottom: 0; }
  .story-section { display: block; padding: 52px 0; }
  .section-intro { margin-bottom: 34px; }
  .section-intro > p:not(.section-index) { max-width: 480px; }
  .chart-legend, .rhythm-total { margin-top: 24px; }
  #line-chart { height: 300px; }
  .scrubber { grid-template-columns: 1fr; gap: 6px; }
  .scrubber span { display: none; }
  .chart-readout { right: 0; }
  .pr-counts { grid-template-columns: 1fr; }
  .pr-counts > div { padding: 22px 0; }
  .pr-counts > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .pr-progress-block { padding: 28px 0 24px; }
  .pr-progress-track { height: 40px; }
  .pr-direct-note { align-items: flex-start; }
  .impact-visual { padding-top: 24px; }
  .impact-visual-head { align-items: flex-end; }
  .impact-visual-head strong { font-size: 24px; }
  .impact-balance { height: 44px; }
  .impact-row { grid-template-columns: repeat(2, 1fr); }
  .impact-name { grid-column: span 2; grid-row: auto; min-height: 88px; border-bottom: 1px solid var(--line); }
  .impact-row > div { padding: 24px 16px; }
  .impact-row > div:first-child { padding-left: 0; }
  .impact-row > div:nth-child(2), .impact-row > div:nth-child(4) { border-left: 0; padding-left: 0; }
  .impact-row > div:nth-child(4) { grid-column: auto; }
  .impact-row > div:nth-child(5) { grid-column: auto; }
  .tech-labels { grid-template-columns: repeat(3, 1fr); }
  .tech-labels strong { font-size: 22px; }
  .method-grid { display: block; }
  .method-grid > div { min-height: 0; padding: 22px 0; border-left: 0; border-top: 1px solid var(--line); }
  .method-grid > div:first-child { border-top: 0; }
  .site-footer { grid-template-columns: 1fr auto; padding: 30px 0; }
  .site-footer p { display: none; }
}

@media (max-width: 420px) {
  .hero-breakdown { gap: 12px; }
  .headline-value > strong { font-size: 28px; }
  .pr-counts strong { font-size: 40px; }
  .pr-progress-foot strong { font-size: 32px; }
  .impact-visual-head { display: block; }
  .impact-visual-head strong { display: block; margin-top: 12px; }
  .impact-result { grid-template-columns: 1fr; }
  .impact-result > span:last-child { align-items: flex-start; }
  .tech-labels { gap: 8px; }
  .tech-labels strong { font-size: 20px; }
  .tech-labels span { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}