@charset "UTF-8";

:root {
    color-scheme: light;
    --paper: #f5faff;
    --white: #ffffff;
    --ink: #315d80;
    --heading: #22557e;
    --blue: #2c6bb5;
    --sky: #e7f2fd;
    --cyan: #4cb8cd;
    --coral: #ea795b;
    --outline: #c7dfee;
    --quiet: #5e829c;
    --mint: #e3f5f5;
    --ff: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.6 var(--ff); }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
p { margin: 0 0 16px; font-size: 16px; line-height: 1.65; }
h1, h2, h3 { color: var(--heading); overflow-wrap: anywhere; }
h1 { margin: 14px 0 22px; font-size: 40px; line-height: 1.16; letter-spacing: -1.1px; font-weight: 800; }
h2 { margin: 0; font-size: 28px; line-height: 1.21; letter-spacing: -0.55px; font-weight: 770; }
h3 { margin: 0 0 10px; font-size: 19px; line-height: 1.3; }
.shell { width: min(1180px, calc(100% - 52px)); margin-inline: auto; }
.signal { height: 8px; background: repeating-linear-gradient(90deg, #2b76b5 0 22%, #73c9d3 22% 34%, #ed8e70 34% 38%); }
.masthead { display: flex; align-items: center; flex-wrap: wrap; gap: 15px 30px; justify-content: space-between; padding: 19px 0 15px; border-bottom: 2px solid var(--outline); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 850; letter-spacing: -.65px; color: var(--blue); }
.brand-symbol { position: relative; display: inline-grid; place-items: center; width: 44px; height: 44px; border: 2px solid currentColor; border-radius: 50%; }
.brand-symbol:after { content: ""; width: 19px; height: 19px; position: absolute; border: 3px dotted var(--cyan); border-radius: 50%; }
.brand-symbol span { font-size: 0; }
.header-note { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.6px; color: var(--quiet); }
.nav { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; padding: 12px 0 18px; }
.nav a { border: 1px solid transparent; padding: 6px 12px; font-size: 14px; border-radius: 4px; color: var(--heading); font-weight: 700; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--sky); border-color: var(--outline); color: var(--blue); }
.breadcrumb { margin: 18px 0 -2px; font-size: 13px; font-weight: 700; color: var(--quiet); }
.breadcrumb a { color: var(--blue); }
.intro { margin: 16px 0 23px; position: relative; }
.home-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 28px; align-items: stretch; padding: 34px 0 4px; }
.rubric, .section-mark { display: inline-block; color: var(--coral); font-weight: 850; text-transform: uppercase; letter-spacing: 1.6px; font-size: 12px; }
.intro h1 em { font-style: normal; color: var(--blue); }
.intro .standfirst { font-size: 18px; line-height: 1.6; color: var(--heading); font-weight: 600; }
.intro-copy { min-width: 0; }
.intro-copy p { max-width: 790px; }
.tiny-source { margin: 14px 0 4px; font-size: 12px; color: var(--quiet); }
.intro-graphic { padding: 25px 30px; background: linear-gradient(135deg, #e3f3fb, #ecfbf8); border: 1px solid var(--outline); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; overflow: hidden; }
.mechanic-mark { width: min(100%, 235px); aspect-ratio: 1; display: grid; place-items: center; }
.dial-ring { width: 100%; aspect-ratio: 1; border-radius: 50%; padding: 25px; border: 24px solid var(--blue); border-right-color: var(--cyan); border-top-color: var(--coral); box-shadow: 0 0 0 10px #d8ecf5; transform: rotate(-18deg); }
.dial-inset { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 2px dashed #93c5d8; border-radius: 50%; transform: rotate(18deg); }
.dial-inset span { color: var(--heading); font-size: 44px; font-weight: 900; line-height: 1.1; }
.dial-inset small { font-weight: 700; color: var(--quiet); text-align: center; font-size: 11px; }
.graphic-caption { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; justify-content: center; text-align: center; }
.graphic-caption b { font-size: 26px; color: var(--heading); line-height: 1; }
.graphic-caption span { font-size: 12px; line-height: 1.5; }
.sub-intro { padding: 27px 0 14px; max-width: 920px; }
.sub-intro .standfirst { max-width: 850px; }
.metric-band { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; background: #e9f4fa; border-block: 2px solid #91c5dc; margin: 12px 0 23px; }
.metric-band.metrics-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.metric-band.metrics-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.metric { padding: 17px 22px 19px; border-right: 1px solid #b8dae9; }
.metric:last-child { border-right: 0; }
.metric-value { display: block; color: var(--blue); font-weight: 880; font-size: clamp(24px, 2.8vw, 35px); letter-spacing: -.7px; line-height: 1.25; }
.metric-label { display: block; font-weight: 800; font-size: 14px; margin: 7px 0 5px; line-height: 1.4; }
.metric small { font-size: 12px; line-height: 1.4; color: var(--quiet); display: block; }
.content-section { padding: 35px 0 37px; border-bottom: 1px solid var(--outline); }
.section-heading { display: flex; align-items: baseline; flex-wrap: wrap; gap: 14px 22px; margin-bottom: 23px; }
.section-heading .section-mark { min-width: 140px; }
.content-section > p { max-width: 925px; }
.data-layout { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, .8fr); gap: 30px; align-items: start; }
.bar-plot { padding: 23px 24px 15px; background: var(--white); border: 1px solid var(--outline); }
.bar-item { display: grid; grid-template-columns: minmax(150px, 1fr) minmax(130px, 1.55fr) 66px; align-items: center; gap: 14px; margin: 0 0 17px; }
.bar-label { font-size: 14px; line-height: 1.35; font-weight: 720; }
.bar-track { background: #e3f1f7; height: 17px; }
.bar-track span { display: block; height: 100%; background: linear-gradient(90deg, #4bb8cf, #337bbb); }
.bar-value { font-size: 16px; color: var(--heading); text-align: right; }
.micro { color: var(--quiet); font-size: 12px; line-height: 1.5; margin: 9px 0 0; }
.action-column { background: #e5f6f8; padding: 24px 26px; border-top: 4px solid var(--cyan); }
.action-line { display: grid; grid-template-columns: 35px minmax(0, 1fr); gap: 8px 11px; padding: 15px 0; border-top: 1px solid #b8dfe4; }
.action-line b { font-size: 20px; color: var(--coral); }
.action-line strong { color: var(--heading); display: block; }
.action-line p { font-size: 16px; margin: 4px 0 0; }
.text-link { color: var(--blue); font-weight: 800; border-bottom: 2px solid var(--blue); padding-bottom: 3px; font-size: 15px; }
.after-band { margin: 19px 0 0; }
.reading-route { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.reading-route > div { background: var(--white); border-left: 4px solid var(--coral); padding: 22px 24px; }
.reading-route span { color: var(--coral); font-size: 28px; font-weight: 850; }
.reading-route h3 { margin-top: 4px; }
.reading-route p { margin: 0; }
.chapter-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--outline); border-left: 1px solid var(--outline); }
.tile { position: relative; display: grid; grid-template-columns: 55px minmax(0,1fr); align-items: center; gap: 4px 16px; min-height: 102px; padding: 17px 22px; background: var(--white); border-right: 1px solid var(--outline); border-bottom: 1px solid var(--outline); }
.tile:hover { background: #e8f8fb; }
.tile .tile-number { grid-row: 1 / span 2; align-self: start; font-size: 12px; font-weight: 850; color: var(--coral); letter-spacing: 1px; }
.tile strong { font-size: 17px; color: var(--heading); }
.tile span:not(.tile-number) { grid-column: 2; font-size: 13px; line-height: 1.55; color: var(--quiet); }
.tile b { grid-column: 3; grid-row: 1 / span 2; font-size: 22px; color: var(--blue); }
.wide-observation { display: grid; grid-template-columns: 185px minmax(0, 1fr); gap: 28px; align-items: center; }
.observation-figure { height: 190px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--mint); border-radius: 95px 95px 20px 20px; }
.observation-figure strong { font-size: 52px; color: var(--blue); line-height: 1.1; }
.observation-figure span { font-size: 16px; font-weight: 800; }
.sources { border-left: 3px solid var(--cyan); background: #ebf5fa; padding: 13px 17px; margin-top: 19px; }
.sources strong { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--blue); }
.sources ul { margin: 6px 0 0; padding-left: 18px; }
.sources li { font-size: 12px; line-height: 1.55; color: var(--quiet); padding: 2px 0; }
.two-reading { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.side-block { background: var(--white); border-top: 4px solid var(--blue); padding: 23px; }
.side-block p:last-child { margin-bottom: 0; }
.note-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 26px; border-top: 1px solid var(--outline); }
.note-row { padding: 19px 0 15px; border-bottom: 1px solid var(--outline); }
.note-row p { margin: 0; }
.table-scroll { overflow-x: auto; border: 1px solid var(--outline); background: var(--white); }
.data-table { border-collapse: collapse; width: 100%; line-height: 1.5; font-size: 14px; }
.data-table th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--heading); background: #dff0f8; }
.data-table th, .data-table td { padding: 13px 18px; border-bottom: 1px solid var(--outline); vertical-align: top; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:nth-child(even) { background: #f3f9fc; }
.data-table td:first-child { font-weight: 760; color: var(--heading); }
.procedural { list-style: none; counter-reset: step; padding: 0; margin: 0; border-top: 1px solid var(--outline); }
.procedural > li { display: grid; grid-template-columns: 68px minmax(0, 1fr); gap: 20px; border-bottom: 1px solid var(--outline); padding: 15px 4px; align-items: start; }
.step-index { font-size: 29px; font-weight: 850; color: var(--coral); line-height: 1.2; }
.procedural h3 { margin: 0 0 4px; }
.procedural p { margin: 0; }
.notice { margin: 18px 0; background: #e6f4f9; border-left: 5px solid var(--coral); padding: 16px 20px; }
.notice strong { display: block; font-weight: 800; color: var(--heading); margin-bottom: 5px; }
.notice p { margin: 0; }
.sample { background: var(--white); padding: 23px 28px; border: 1px dashed #82b8d5; }
.sample p { margin: 10px 0; }
.sample .sample-tag { display: inline-block; font-size: 12px; text-transform: uppercase; color: var(--coral); letter-spacing: 1px; font-weight: 850; }
.deadline-ladder { border: 1px solid var(--outline); background: var(--white); }
.deadline { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 24px; padding: 19px 27px; border-bottom: 1px solid var(--outline); align-items: center; }
.deadline:last-child { border-bottom: none; }
.deadline > strong { color: var(--blue); font-size: 45px; line-height: 1; letter-spacing: -2px; }
.deadline > strong small { font-size: 15px; letter-spacing: 0; }
.deadline p { margin: 0; }
.next-reading { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 26px 0; }
.next-reading a { background: #e7f1fa; border: 1px solid var(--outline); padding: 16px 19px; font-weight: 800; color: var(--blue); }
.next-reading a:last-child { text-align: right; }
.next-reading a:hover { background: #d7ecf9; }
.footer { border-top: 3px solid var(--blue); margin-top: 35px; padding: 19px 0 36px; }
.footer-strap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--quiet); }
.footer small { font-size: 12px; }

@media (max-width: 900px) {
    .home-intro, .data-layout { grid-template-columns: 1fr; }
    .intro-graphic { flex-direction: row; justify-content: center; gap: 26px; }
    .mechanic-mark { max-width: 170px; }
    .dial-ring { border-width: 16px; padding: 16px; }
    .dial-inset span { font-size: 30px; }
    .metric-band, .metric-band.metrics-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .metric-band.metrics-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
    .metric:nth-child(2) { border-right: 0; }
    .metric:nth-child(-n+2) { border-bottom: 1px solid #b8dae9; }
    .section-heading .section-mark { min-width: auto; }
}
@media (max-width: 620px) {
    .shell { width: min(100% - 28px, 1180px); }
    .masthead { padding: 14px 0; }
    .header-note { font-size: 10px; letter-spacing: .7px; }
    .nav { gap: 3px; padding: 12px 0; }
    .nav a { font-size: 12px; padding: 6px 9px; }
    h1 { font-size: 40px; letter-spacing: -1.2px; }
    h2 { font-size: 28px; }
    p { font-size: 16px; }
    .home-intro { padding-top: 18px; gap: 15px; }
    .intro-graphic { padding: 20px; }
    .mechanic-mark { max-width: 125px; }
    .dial-ring { border-width: 12px; padding: 12px; box-shadow: 0 0 0 5px #d8ecf5; }
    .dial-inset span { font-size: 23px; }
    .dial-inset small { font-size: 9px; }
    .graphic-caption b { font-size: 20px; }
    .graphic-caption span { font-size: 11px; }
    .metric-band.metrics-3 { grid-template-columns: 1fr; }
    .metric-band.metrics-3 .metric { border-right: 0; border-bottom: 1px solid #b8dae9; }
    .metric-band.metrics-3 .metric:last-child { border-bottom: 0; }
    .metric { padding: 15px; }
    .metric-value { font-size: 28px; }
    .content-section { padding: 26px 0; }
    .section-heading { gap: 5px; flex-direction: column; margin-bottom: 18px; }
    .bar-plot { padding: 17px 13px 10px; }
    .bar-item { grid-template-columns: minmax(83px,.95fr) minmax(60px,1.15fr) 46px; gap: 9px; }
    .bar-label { font-size: 12px; }
    .bar-value { font-size: 13px; }
    .reading-route, .two-reading, .note-grid, .chapter-grid, .next-reading { grid-template-columns: 1fr; }
    .tile { min-height: 92px; }
    .wide-observation { grid-template-columns: 1fr; gap: 15px; }
    .observation-figure { height: 110px; border-radius: 14px; }
    .deadline { grid-template-columns: 108px minmax(0, 1fr); gap: 12px; padding: 16px 13px; }
    .deadline > strong { font-size: 32px; }
    .deadline > strong small { display: block; font-size: 11px; }
    .data-table { min-width: 500px; }
    .next-reading a:last-child { text-align: left; }
    .sample { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }