:root {
  --ink: #0b2239;
  --ink-soft: #334a5e;
  --green: #1a7f4b;
  --green-strong: #12633a;
  --green-wash: #eaf4ed;
  --amber: #b0761b;
  --amber-wash: #fff5df;
  --paper: #fcfdfb;
  --surface: #f3f7f3;
  --surface-alt: #edf4f0;
  --line: #d8e4dc;
  --line-strong: #b9cbbb;
  --muted: #536878;
  --container: 1240px;
  --s-1: 8px;
  --s-2: 12px;
  --s-3: 16px;
  --s-4: 24px;
  --s-5: 32px;
  --s-6: 48px;
  --s-7: 72px;
  --s-8: 96px;
  --fs-1: 12px;
  --fs-2: 14px;
  --fs-3: 16px;
  --fs-4: 18px;
  --fs-5: 20px;
  --fs-6: 24px;
  --fs-7: 32px;
  --fs-8: clamp(48px, 6vw, 84px);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 18px 40px rgba(11, 34, 57, .14), 0 4px 12px rgba(11, 34, 57, .07);
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: var(--fs-3); line-height: 1.75; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body, button, a { -webkit-tap-highlight-color: transparent; }
body { overflow-x: clip; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { text-wrap: balance; }
p { text-wrap: pretty; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }

.container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; z-index: 100; top: var(--s-2); left: var(--s-2); padding: 10px var(--s-3); color: #fff; background: var(--ink); border-radius: var(--radius-sm); transform: translateY(-180%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.page-progress { position: fixed; z-index: 50; inset: 0 0 auto; height: 3px; pointer-events: none; }
.page-progress span { display: block; width: 0; height: 100%; background: var(--green); }

.site-header { position: sticky; z-index: 20; top: 0; background: rgba(252, 253, 251, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.nav-wrap { display: flex; align-items: center; min-height: 80px; gap: var(--s-4); }
.brand { display: flex; flex: 0 0 auto; flex-direction: column; align-items: flex-start; gap: 2px; }
.brand img { width: 120px; height: auto; }
.brand span { color: var(--muted); font-size: var(--fs-1); letter-spacing: .02em; white-space: nowrap; }
.main-nav { display: flex; flex: 1 1 auto; justify-content: center; gap: var(--s-1); min-width: 0; overflow-x: auto; scrollbar-width: none; }
.main-nav::-webkit-scrollbar { display: none; }
.main-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px var(--s-2); color: var(--ink); border: 1px solid transparent; border-radius: 999px; font-size: var(--fs-2); font-weight: 700; white-space: nowrap; transition: color .2s ease, background-color .2s ease, border-color .2s ease; }
.main-nav a:hover, .main-nav a[aria-current="location"] { color: var(--green-strong); background: var(--green-wash); border-color: #c7dfcf; }
.nav-home { display: inline-flex; flex: 0 0 auto; align-items: center; min-height: 44px; gap: var(--s-1); color: var(--green-strong); font-size: var(--fs-2); font-weight: 800; white-space: nowrap; }

.breadcrumb-row { display: flex; align-items: center; min-height: 52px; gap: var(--s-1); color: var(--muted); font-size: var(--fs-1); }
.breadcrumb-row i { color: #83968a; font-size: var(--fs-1); }
.breadcrumb-row strong { color: var(--muted); font-weight: 600; }

.hero { position: relative; isolation: isolate; overflow: hidden; border-bottom: 1px solid var(--line); background: #f6faf7; }
.hero::after { position: absolute; z-index: -1; inset: 0 0 0 47%; content: ""; background-image: linear-gradient(90deg, #f6faf7 0%, rgba(246, 250, 247, .86) 22%, rgba(246, 250, 247, .24) 100%), url("assets/india-sugarcane-field-optimized.webp"); background-position: center, center; background-size: cover, cover; background-repeat: no-repeat; opacity: .95; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: var(--s-6); padding: var(--s-6) 0 var(--s-8); }
.eyebrow { margin-bottom: var(--s-2); color: var(--green); font-size: var(--fs-1); font-weight: 800; letter-spacing: .14em; }
h1 { max-width: 680px; margin-bottom: var(--s-4); color: var(--ink); font-size: var(--fs-8); font-weight: 900; letter-spacing: -.02em; line-height: 1.05; }
h1 em { color: var(--green); font-style: normal; }
.hero-lead { max-width: 560px; margin-bottom: var(--s-2); color: var(--ink-soft); font-size: var(--fs-4); font-weight: 700; line-height: 1.65; }
.hero-body { max-width: 570px; margin-bottom: var(--s-5); color: var(--ink-soft); font-size: var(--fs-3); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4); }
.button { display: inline-flex; align-items: center; min-height: 44px; gap: var(--s-1); font-size: var(--fs-2); font-weight: 800; }
.button-primary { padding: 10px var(--s-3); color: #fff; background: var(--green); border-radius: var(--radius-sm); box-shadow: 0 8px 16px rgba(26, 127, 75, .22); transition: transform .2s ease, background-color .2s ease; }
.button-primary:hover { background: var(--green-strong); transform: translateY(-1px); }
.button-text { color: var(--ink); }
.button-text:hover { color: var(--green-strong); }

.balance-card { padding: var(--s-4) var(--s-5) var(--s-3); background: rgba(255, 255, 255, .94); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }
.balance-card-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); margin-bottom: var(--s-2); }
.balance-card h2 { margin: 0; font-size: var(--fs-5); font-weight: 900; letter-spacing: -.02em; }
.season-switch, .price-range { display: flex; gap: 2px; padding: 3px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.season-button, .range-button { min-height: 40px; padding: 7px var(--s-2); color: var(--muted); background: transparent; border: 0; border-radius: 6px; font-size: var(--fs-1); font-weight: 800; }
.season-button { font-family: var(--mono); }
.season-button.is-active, .range-button.is-active { color: #fff; background: var(--ink); }
.range-button.is-active { background: var(--green); }
.balance-list { margin: 0; }
.balance-list > div { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--s-3); min-height: 38px; border-bottom: 1px solid var(--line); }
.balance-list > div:last-child { border-bottom: 0; }
.balance-list dt { color: var(--ink-soft); font-size: var(--fs-2); }
.balance-list dd { margin: 0; color: var(--ink); font-size: var(--fs-2); font-weight: 900; font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.balance-list small { display: block; margin-top: -2px; color: var(--muted); font-size: var(--fs-1); font-weight: 600; text-align: right; }
.balance-foot { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); margin-top: var(--s-3); color: var(--muted); font-size: var(--fs-1); }
.balance-foot > span { display: inline-flex; align-items: center; gap: 6px; }
.balance-foot small { flex: 1 0 100%; color: var(--muted); font-size: var(--fs-1); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.dot-green { background: var(--green); }
.dot-gold { background: var(--amber); }

.section { padding: var(--s-7) 0; }
.section-grid, .region-grid, .split-layout, .method-grid { display: grid; gap: var(--s-6); }
.why-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: center; }
.section-title { align-self: start; }
.section-no { margin: 0 0 var(--s-1); color: var(--green); font: 500 var(--fs-6)/1 var(--mono); letter-spacing: -.02em; }
.section-title h2, .section-heading h2, .price-heading h2, .method-grid h2 { margin: 0; color: var(--ink); font-size: var(--fs-7); letter-spacing: -.02em; line-height: 1.3; }
.section-heading h2 em, .price-heading h2 em { color: var(--green); font-style: normal; }
.prose { padding-right: var(--s-5); color: var(--ink-soft); border-right: 1px solid var(--line); font-size: var(--fs-3); }
.prose p { margin-bottom: var(--s-3); }
.prose p:last-child { margin-bottom: 0; }
.quote-card { position: relative; padding: var(--s-5); color: #24533e; background: var(--green-wash); border: 1px solid #c8dfcf; border-radius: var(--radius-md); }
.quote-card i { display: block; margin-bottom: var(--s-2); color: var(--green); font-size: var(--fs-7); }
.quote-card p { margin-bottom: var(--s-3); font-size: var(--fs-4); font-weight: 700; line-height: 1.7; }
.quote-card span { color: var(--muted); font-size: var(--fs-1); }
.why-section { background: var(--paper); }

.section-heading { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--s-3); align-items: start; margin-bottom: var(--s-5); }
.section-heading > .section-no { padding-top: 4px; }
.section-heading h2 + p, .price-heading p:not(.section-no), .institution-heading p, .method-grid p { margin: var(--s-2) 0 0; color: var(--ink-soft); font-size: var(--fs-3); line-height: 1.7; }
.chain-section { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.chain-flow { display: flex; align-items: stretch; gap: var(--s-3); }
.flow-stage { --stage-accent: var(--green); --stage-bg: #edf7ef; --stage-line: #c9e1cf; display: flex; flex: 1 1 0; flex-direction: column; min-width: 0; padding: var(--s-4); background: var(--stage-bg); border: 1px solid var(--stage-line); border-top: 3px solid var(--stage-accent); border-radius: var(--radius-md); }
.stage-blue { --stage-accent: #2d6f9f; --stage-bg: #eef6fb; --stage-line: #c8ddeb; }
.stage-gold { --stage-accent: #b06c12; --stage-bg: #fff5e8; --stage-line: #edd7b8; }
.stage-mist { --stage-accent: #7a5c9e; --stage-bg: #f3eff9; --stage-line: #d9cdea; }
.flow-stage i { margin-bottom: var(--s-3); color: var(--stage-accent); font-size: var(--fs-7); }
.flow-stage h3 { margin-bottom: var(--s-2); color: var(--ink); font-size: var(--fs-4); line-height: 1.4; }
.flow-stage p { margin: 0; color: var(--ink-soft); font-size: var(--fs-2); line-height: 1.7; }
.flow-arrow { align-self: center; flex: 0 0 auto; color: var(--green); font-size: var(--fs-5); }
.section-source, .price-source { margin: var(--s-3) 0 0; color: var(--muted); font-size: var(--fs-1); }

.region-section { background: #f5f8f5; }
.region-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); align-items: start; }
.map-card { margin: 0; overflow: hidden; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-md); }
.map-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; background: #fbfcfa; }
.map-card figcaption { display: flex; flex-wrap: wrap; gap: var(--s-3); padding: var(--s-3) var(--s-4); color: var(--muted); border-top: 1px solid var(--line); font-size: var(--fs-1); }
.map-context { margin: 0; padding: 0 var(--s-4) var(--s-4); color: var(--ink-soft); font-size: var(--fs-2); line-height: 1.7; }
.map-card figcaption span { display: inline-flex; align-items: center; gap: 6px; }
.legend-dot { display: inline-block; width: 9px; height: 9px; background: #9fca84; border-radius: 50%; }
.dot-mill { background: var(--green); }
.region-analysis { min-width: 0; }
.region-copy { color: var(--ink-soft); font-size: var(--fs-3); }
.region-copy p { margin-bottom: var(--s-2); }
.region-copy strong { color: var(--ink); }
.scale-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-3); margin: var(--s-4) 0; }
.scale-card { display: flex; align-items: flex-start; gap: var(--s-2); min-height: 112px; padding: var(--s-3); background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-md); }
.scale-card i { color: var(--green); font-size: var(--fs-7); }
.scale-card strong, .institution-stat strong { display: block; color: var(--green-strong); font: 700 var(--fs-6)/1.2 var(--mono); font-variant-numeric: tabular-nums; }
.scale-card span, .scale-card small { display: block; }
.scale-card span { margin-top: 4px; color: var(--ink-soft); font-size: var(--fs-2); }
.scale-card small { margin-top: 4px; color: var(--muted); font-size: var(--fs-1); }
.region-table-wrap { overflow: hidden; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-md); }
.region-table-title, .trade-table-title { display: flex; justify-content: space-between; gap: var(--s-2); padding: var(--s-3) var(--s-4); color: var(--ink); font-size: var(--fs-2); }
.region-table-title span, .trade-table-title span { color: var(--muted); font-size: var(--fs-1); white-space: nowrap; }
.region-table-wrap p { margin: var(--s-2) var(--s-4) var(--s-3); color: var(--muted); font-size: var(--fs-1); line-height: 1.6; }
.table-scroll { max-width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
th { color: var(--muted); font-size: var(--fs-1); font-weight: 800; text-align: left; white-space: nowrap; }
td { color: var(--ink-soft); font-size: var(--fs-2); }
tbody tr:nth-child(even) { background: #f7faf7; }
tbody tr:last-child td { border-bottom: 0; }
.region-table th, .region-table td { padding: var(--s-2) var(--s-3); }
.region-table th:first-child, .region-table td:first-child { position: sticky; left: 0; background: inherit; }

.policy-trade { background: var(--paper); }
.split-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.policy-panel { padding-right: var(--s-6); border-right: 1px solid var(--line); }
.section-heading.compact { margin-bottom: var(--s-4); }
.section-heading.compact h2 { font-size: var(--fs-6); }
.policy-timeline { border-top: 1px solid var(--line); }
.policy-item { display: grid; grid-template-columns: 74px minmax(0, 1fr); gap: var(--s-2); padding: var(--s-3) 0; border-bottom: 1px solid var(--line); }
.policy-item time { grid-row: span 2; color: var(--green-strong); font: 500 var(--fs-2)/1.5 var(--mono); }
.policy-item h3 { margin: 0; color: var(--ink); font-size: var(--fs-3); }
.policy-item p { grid-column: 2; margin: 0; color: var(--ink-soft); font-size: var(--fs-2); line-height: 1.65; }
.trade-panel { min-width: 0; }
.trade-table { min-width: 700px; }
.trade-table th, .trade-table td { padding: var(--s-2) var(--s-3); text-align: right; }
.trade-table th:first-child, .trade-table td:first-child { text-align: left; }
.trade-table th:first-child, .trade-table td:first-child { position: sticky; left: 0; background: var(--paper); }
.trade-note { margin: var(--s-3) 0 0; color: var(--ink-soft); font-size: var(--fs-2); line-height: 1.7; }
.trade-note-secondary { color: var(--muted); }

.price-section { background: var(--surface-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.price-heading { display: flex; align-items: end; justify-content: space-between; gap: var(--s-4); margin-bottom: var(--s-4); }
.price-heading p:not(.section-no) { max-width: 650px; }
.price-range { flex: 0 0 auto; }
.price-board { display: grid; grid-template-columns: minmax(0, 1fr) 168px; align-items: start; gap: var(--s-6); padding: var(--s-4); background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-card); }
.price-main { min-width: 0; }
.chart-unit { color: var(--muted); font-size: var(--fs-1); }
.price-chart-wrap { position: relative; height: 360px; margin-top: var(--s-1); }
.price-chart-wrap svg { width: 100%; height: 100%; overflow: visible; }
.chart-grid-line { stroke: #dce8df; stroke-width: 1; }
.chart-axis-label { fill: var(--muted); font: var(--fs-1) var(--mono); }
.chart-line { fill: none; stroke: var(--green); stroke-linecap: round; stroke-linejoin: round; stroke-width: 2.6; }
.chart-point { fill: var(--paper); stroke: var(--green-strong); stroke-width: 2; }
.chart-hover-line { stroke: var(--amber); stroke-dasharray: 4 4; stroke-width: 1; }
.chart-axis { display: flex; justify-content: space-between; gap: var(--s-2); padding: var(--s-1) var(--s-1) 0 42px; color: var(--muted); font: var(--fs-1) var(--mono); }
.price-tooltip { position: absolute; z-index: 2; display: none; min-width: 132px; padding: var(--s-1) var(--s-2); color: #fff; background: var(--ink); border-radius: var(--radius-sm); }
.price-tooltip.is-visible { display: block; }
.price-tooltip span, .price-tooltip strong { display: block; }
.price-tooltip span { color: #d9e6de; font-size: var(--fs-1); }
.price-tooltip strong { margin-top: 2px; font: 500 var(--fs-3) var(--mono); }
.price-current { min-width: 0; padding: var(--s-3) 0 0 var(--s-4); border-left: 1px solid var(--line); }
.price-current span, .price-current small, .price-current em { display: block; }
.price-current span { color: var(--muted); font-size: var(--fs-1); }
.price-current strong { display: block; margin: 4px 0; color: var(--green-strong); font: 500 var(--fs-7) var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.price-current small, .price-current em { color: var(--ink-soft); font-size: var(--fs-1); font-style: normal; line-height: 1.6; }
.price-source { display: flex; justify-content: space-between; gap: var(--s-4); }

.linkage-section { background: #f7faf7; border-bottom: 1px solid var(--line); }
.linkage-heading { margin-bottom: var(--s-5); }
.linkage-heading > div { max-width: 960px; }
.linkage-nowrap { display: inline-block; white-space: nowrap; font-size: clamp(11px, 3.1vw, var(--fs-3)); }
.linkage-kicker { margin: 0 0 var(--s-1) !important; color: var(--green); font: 500 var(--fs-1)/1.4 var(--mono) !important; letter-spacing: .1em; }
.linkage-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-3); }
.linkage-card { --linkage-accent: var(--green); --linkage-bg: var(--green-wash); --linkage-line: #c8dfcf; position: relative; display: flex; flex-direction: column; min-width: 0; min-height: 350px; padding: var(--s-4); background: var(--linkage-bg); border: 1px solid var(--linkage-line); border-top: 3px solid var(--linkage-accent); border-radius: var(--radius-md); }
.linkage-cash { --linkage-accent: var(--amber); --linkage-bg: var(--amber-wash); --linkage-line: #ead8b7; }
.linkage-gate { --linkage-accent: #2d6f9f; --linkage-bg: #eef6fb; --linkage-line: #c8ddeb; }
.linkage-card-top { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); margin-bottom: var(--s-5); color: var(--linkage-accent); }
.linkage-card-top span { font: 500 var(--fs-1)/1.4 var(--mono); letter-spacing: .06em; }
.linkage-card-top i { display: grid; place-items: center; width: 40px; height: 40px; background: rgba(255, 255, 255, .72); border: 1px solid var(--linkage-line); border-radius: var(--radius-sm); font-size: var(--fs-5); }
.linkage-metric { display: block; margin-bottom: var(--s-3); color: var(--linkage-accent); font: 700 var(--fs-7)/1.15 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.linkage-metric small { color: var(--muted); font: 600 var(--fs-1)/1.4 var(--sans); letter-spacing: 0; }
.linkage-word { font-family: var(--sans); letter-spacing: -.02em; }
.linkage-card h3 { margin: 0 0 var(--s-2); color: var(--ink); font-size: var(--fs-4); line-height: 1.45; }
.linkage-card p { margin: 0 0 var(--s-4); color: var(--ink-soft); font-size: var(--fs-2); line-height: 1.75; }
.linkage-direction { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); margin-top: auto; padding-top: var(--s-2); color: var(--linkage-accent); border-top: 1px solid var(--linkage-line); font-size: var(--fs-1); font-weight: 800; }
.linkage-summary { display: grid; grid-template-columns: 48px minmax(0, 1fr); align-items: center; gap: var(--s-3); margin-top: var(--s-3); padding: var(--s-3) var(--s-4); color: #24533e; background: var(--green-wash); border: 1px solid #c8dfcf; border-radius: var(--radius-md); }
.linkage-summary > i { display: grid; place-items: center; width: 48px; height: 48px; color: var(--green); background: rgba(255, 255, 255, .76); border: 1px solid #c8dfcf; border-radius: var(--radius-sm); font-size: var(--fs-5); }
.linkage-summary p { margin: 0; font-size: var(--fs-2); line-height: 1.7; }
.linkage-source { color: var(--muted); }

.back-to-top { position: fixed; z-index: 40; right: 24px; bottom: 24px; display: grid; place-items: center; width: 48px; height: 48px; color: #fff; background: var(--green); border: 1px solid rgba(255, 255, 255, .5); border-radius: 50%; box-shadow: 0 10px 24px rgba(11, 34, 57, .2); opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity .2s ease, transform .2s ease, background-color .2s ease; }
.back-to-top i { font-size: var(--fs-5); line-height: 1; }
.back-to-top:hover { background: var(--green-strong); transform: translateY(-2px); }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

.institution-section { padding: var(--s-7) 0; background: var(--paper); }
.institution-heading { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--s-3); align-items: start; margin-bottom: var(--s-5); }
.institution-heading h2 { margin: 0; color: var(--ink); font-size: var(--fs-6); }
.institution-heading p { max-width: 820px; }
.institution-row { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--s-3); align-items: stretch; }
.institution-item { --card-accent: var(--green); --card-bg: var(--surface); --card-line: var(--line); position: relative; min-width: 0; padding: var(--s-4); background: var(--card-bg); border: 1px solid var(--card-line); border-top: 3px solid var(--card-accent); border-radius: var(--radius-md); }
.institution-item:nth-child(1) { --card-accent: #b56a12; --card-bg: #fff5e6; --card-line: #ecd6b5; }
.institution-item:nth-child(2) { --card-accent: #2d6f9f; --card-bg: #eef6fb; --card-line: #c8ddeb; }
.institution-item:nth-child(3) { --card-accent: #1a7f4b; --card-bg: #edf7ef; --card-line: #c9e1cf; }
.institution-item:nth-child(4) { --card-accent: #a84f5d; --card-bg: #fdf0f1; --card-line: #ebcdd2; }
.institution-item:nth-child(5) { --card-accent: #0f766e; --card-bg: #eaf8f5; --card-line: #c3e4de; }
.institution-topline { display: flex; align-items: flex-start; gap: var(--s-2); margin-bottom: var(--s-3); }
.institution-icon { display: grid; flex: 0 0 auto; place-items: center; width: 40px; height: 40px; color: var(--card-accent); background: rgba(255, 255, 255, .72); border: 1px solid var(--card-line); border-radius: var(--radius-sm); }
.institution-icon i { font-size: var(--fs-5); line-height: 1; }
.institution-item h3 { flex: 1; margin: 2px 0 0; font-size: var(--fs-3); line-height: 1.45; }
.institution-item h3 a { display: inline-flex; align-items: center; gap: 6px; }
.institution-item h3 a > i { font-size: var(--fs-1); }
.institution-item h4 { margin: 0 0 var(--s-2); color: var(--ink); font-size: var(--fs-2); line-height: 1.5; }
.institution-item p { min-height: 144px; margin: 0; color: var(--ink-soft); font-size: var(--fs-2); line-height: 1.7; text-wrap: pretty; }
.institution-item-featured p { min-height: 0; }
.institution-focus { display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; margin-top: var(--s-3); padding-top: var(--s-2); color: var(--muted); border-top: 1px solid var(--card-line); font-size: var(--fs-1); }
.institution-focus strong { color: var(--ink); font-size: var(--fs-1); }
.institution-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: var(--s-2); }
.institution-tags span { padding: 4px 8px; color: var(--card-accent); background: rgba(255, 255, 255, .66); border: 1px solid var(--card-line); border-radius: 999px; font-size: var(--fs-1); line-height: 1.2; }
.institution-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-1); margin-top: var(--s-3); padding-top: var(--s-2); border-top: 1px solid var(--card-line); }
.institution-stat strong { color: var(--card-accent); font-size: var(--fs-5); }
.institution-stat span { display: block; margin-top: 4px; color: var(--muted); font-size: var(--fs-1); line-height: 1.35; }
.institution-note { display: block; margin-top: var(--s-2); color: var(--muted); font-size: var(--fs-1); line-height: 1.5; }

.method-section { padding-top: var(--s-7); padding-bottom: var(--s-7); background: var(--surface); border-top: 1px solid var(--line); }
.method-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.method-grid h2 { font-size: var(--fs-6); }
.method-grid h3 { margin: 0 0 var(--s-1); color: var(--ink); font-size: var(--fs-3); }
.method-grid h3 + p { margin-bottom: var(--s-4); }
.method-grid p { color: var(--ink-soft); }
.site-footer { border-top: 1px solid var(--line); background: var(--paper); }
.footer-grid { padding: var(--s-5) 0; }
.footer-brand img { width: 126px; }
.footer-brand p { margin: var(--s-1) 0 0; color: var(--muted); font-size: var(--fs-1); }
.footer-bottom { display: grid; grid-template-columns: 1.4fr 1fr auto; gap: var(--s-4); align-items: start; padding: var(--s-3) 0 var(--s-4); color: var(--muted); border-top: 1px solid var(--line); font-size: var(--fs-1); line-height: 1.6; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: var(--green-strong); font-size: var(--fs-1); font-weight: 800; white-space: nowrap; }

.reveal { opacity: 1; transform: none; transition: opacity .45s ease, transform .45s ease; }
html.js .reveal { opacity: 0; transform: translateY(16px); }
html.js .reveal.is-visible { opacity: 1; transform: none; }

.source-summary { margin-bottom: var(--s-2) !important; }
.source-details { margin: var(--s-2) 0 var(--s-4); color: var(--ink-soft); font-size: var(--fs-2); }
.source-details summary { width: fit-content; color: var(--green-strong); font-weight: 800; cursor: pointer; }
.source-list { margin: var(--s-2) 0 0; padding-left: 1.25em; }
.source-list li { margin-bottom: var(--s-2); color: var(--ink-soft); line-height: 1.55; }
.source-list a { color: var(--green-strong); font-weight: 800; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.source-list small { display: block; margin-top: 2px; color: var(--muted); font-size: var(--fs-1); line-height: 1.45; }

@media (max-width: 1080px) {
  .nav-wrap { flex-wrap: wrap; gap: var(--s-2) var(--s-3); padding: var(--s-2) 0; }
  .brand { margin-right: auto; }
  .nav-home { order: 2; }
  .main-nav { order: 3; flex-basis: 100%; justify-content: flex-start; padding-top: var(--s-1); }
  .hero-grid { gap: var(--s-5); }
  .institution-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .institution-item p { min-height: 0; }
  .chain-flow { display: grid; grid-template-columns: minmax(0, 1fr) 32px minmax(0, 1fr); gap: var(--s-2); }
  .flow-arrow { justify-self: center; }
  .flow-arrow:nth-of-type(2) { grid-column: 2; grid-row: 2; transform: rotate(90deg); }
  .flow-arrow:nth-of-type(3) { grid-column: 2; grid-row: 3; transform: rotate(90deg); }
  .flow-stage:nth-of-type(4) { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .why-grid, .region-grid, .split-layout, .method-grid { grid-template-columns: 1fr; }
  .prose { padding-right: 0; border-right: 0; }
  .policy-panel { padding-right: 0; padding-bottom: var(--s-5); border-right: 0; border-bottom: 1px solid var(--line); }
  .price-board { grid-template-columns: 1fr; gap: var(--s-4); }
  .price-current { padding: var(--s-3) 0 0; border-top: 1px solid var(--line); border-left: 0; }
  .linkage-grid { grid-template-columns: 1fr; }
  .linkage-card { min-height: 0; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 132px; }
  .container { width: min(var(--container), calc(100% - 28px)); }
  .nav-wrap { min-height: 0; }
  .brand img { width: 104px; }
  .main-nav { justify-content: flex-start; margin-inline: -14px; padding: 0 18px 2px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-padding-inline: 18px; -webkit-overflow-scrolling: touch; -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 18px, #000 calc(100% - 18px), transparent 100%); mask-image: linear-gradient(90deg, transparent 0, #000 18px, #000 calc(100% - 18px), transparent 100%); }
  .main-nav a { flex: 0 0 auto; padding: 7px var(--s-2); background: var(--paper); border-color: var(--line); font-size: var(--fs-1); }
  .breadcrumb-row { flex-wrap: wrap; min-height: 44px; padding: var(--s-2) 0; }
  .breadcrumb-row strong { max-width: 100%; }
  .hero::after { inset: 0; background-image: linear-gradient(90deg, rgba(246, 250, 247, .94), rgba(246, 250, 247, .72)), url("assets/india-sugarcane-field-optimized.webp"); background-position: center, center; opacity: .32; }
  .hero-grid { grid-template-columns: 1fr; gap: var(--s-5); padding: var(--s-5) 0 var(--s-6); }
  h1 { font-size: clamp(52px, 15vw, 72px); }
  .hero-lead { font-size: var(--fs-3); }
  .hero-body { font-size: var(--fs-2); }
  .hero-actions { gap: var(--s-3); }
  .balance-card { padding: var(--s-3); }
  .balance-card-head { align-items: flex-start; flex-direction: column; }
  .balance-card h2 { font-size: var(--fs-4); }
  .balance-list dt, .balance-list dd { font-size: var(--fs-2); }
  .section { padding: var(--s-6) 0; }
  .section-heading { gap: var(--s-2); margin-bottom: var(--s-4); }
  .section-no { font-size: var(--fs-5); }
  .section-title h2, .section-heading h2, .price-heading h2, .method-grid h2 { font-size: var(--fs-6); }
  .section-heading h2 + p, .price-heading p:not(.section-no), .institution-heading p, .method-grid p { font-size: var(--fs-2); }
  .quote-card { padding: var(--s-4); }
  .quote-card p { font-size: var(--fs-3); }
  .chain-flow { display: grid; grid-template-columns: 1fr; gap: var(--s-2); }
  .flow-arrow { display: none; }
  .flow-stage { padding: var(--s-3); }
  .flow-stage h3 { font-size: var(--fs-3); }
  .region-grid { gap: var(--s-4); }
  .scale-cards { grid-template-columns: 1fr; }
  .region-table-title, .trade-table-title { align-items: flex-start; flex-direction: column; }
  .trade-table { min-width: 680px; }
  .price-heading { align-items: flex-start; flex-direction: column; }
  .price-range { width: fit-content; }
  .price-chart-wrap { height: 260px; }
  .price-source { display: block; }
  .price-source span { display: block; margin-top: var(--s-1); }
  .linkage-heading { margin-bottom: var(--s-4); }
  .linkage-heading { grid-template-columns: 1fr; }
  .linkage-card { padding: var(--s-3); }
  .linkage-card-top { margin-bottom: var(--s-4); }
  .linkage-metric { font-size: var(--fs-6); }
  .linkage-card h3 { font-size: var(--fs-3); }
  .linkage-summary { grid-template-columns: 1fr; padding: var(--s-3); }
  .back-to-top { right: 16px; bottom: 16px; width: 44px; height: 44px; }
  .institution-section { padding: var(--s-6) 0; }
  .institution-heading { gap: var(--s-2); margin-bottom: var(--s-4); }
  .institution-row { grid-template-columns: 1fr; }
  .institution-item { padding: var(--s-3); }
  .institution-item p { min-height: 0; }
  .footer-bottom { grid-template-columns: 1fr; gap: var(--s-2); }
}

@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; }
}