:root { color-scheme: light; --bg: #f3f6f5; --surface: #fbfdfc; --raised: #ffffff; --ink: #10252a; --soft: #30474d; --faint: #526a70; --line: #c3d1d1; --line-strong: #829b9b; --accent: #006b68; --accent-strong: #004542; --on-accent: #ffffff; --accent-wash: #dcefeb; --warm: #a84c17; --warm-wash: #fff0e2; --violet: #4e4b9a; --violet-wash: #e9e9ff; --ok: #075f3b; --shadow: 0 20px 48px rgba(16, 37, 42, .1); --focus: #874400; }
:root[data-theme="dark"] { color-scheme: dark; --bg: #0c1a1d; --surface: #12272b; --raised: #183237; --ink: #f2f8f7; --soft: #d7e6e4; --faint: #b5cdca; --line: #3b5a5e; --line-strong: #76979a; --accent: #80e2d6; --accent-strong: #adfff4; --on-accent: #062021; --accent-wash: #1d4a4a; --warm: #ffbd8c; --warm-wash: #513224; --violet: #c1c2ff; --violet-wash: #30305d; --ok: #81e3b2; --shadow: 0 20px 48px rgba(0, 0, 0, .28); --focus: #ffd394; }
* { box-sizing: border-box; } html { scroll-behavior: smooth; background: var(--bg); } body { margin: 0; color: var(--ink); background: var(--bg); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; } a { color: var(--accent-strong); text-underline-offset: .18em; } a:hover { color: var(--accent); } :focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; } .page-width { width: min(1180px, calc(100% - 48px)); margin-inline: auto; } .not-found { padding-block: 12vh; } .skip-link { position: fixed; top: 10px; left: 12px; z-index: 5; transform: translateY(-160%); padding: 10px 14px; border: 2px solid var(--focus); background: var(--raised); color: var(--ink); } .skip-link:focus { transform: translateY(0); }
.site-header { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 92%, transparent); } .header-inner { width: min(1280px, calc(100% - 48px)); min-height: 74px; margin-inline: auto; display: flex; align-items: center; gap: 34px; } .brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-weight: 850; letter-spacing: -.04em; } .brand-mark { width: 30px; height: 30px; border: 2px solid var(--ink); padding: 5px 4px; display: flex; align-items: center; gap: 3px; } .brand-mark i { width: 3px; display: block; background: var(--accent); } .brand-mark i:nth-child(1) { height: 7px; }.brand-mark i:nth-child(2) { height: 14px; }.brand-mark i:nth-child(3) { height: 20px; }.brand-mark i:nth-child(4) { height: 11px; background: var(--warm); } .main-nav { display: flex; gap: 24px; margin-right: auto; } .main-nav a, .language-link { color: var(--soft); font-size: .88rem; font-weight: 750; text-decoration: none; } .main-nav a:hover, .language-link:hover { color: var(--accent-strong); } .header-tools { display: flex; align-items: center; gap: 15px; } .language-link span { margin-left: 3px; color: var(--faint); font-weight: 500; }.theme-button { display: inline-flex; align-items: center; gap: 7px; padding: 8px 11px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); font: inherit; font-size: .78rem; font-weight: 750; cursor: pointer; }.theme-button:hover { border-color: var(--accent); }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .82fr); gap: clamp(48px, 8vw, 115px); padding-top: clamp(78px, 10vw, 130px); padding-bottom: 72px; }.hero-copy { max-width: 730px; }.eyebrow { margin: 0 0 21px; display: flex; align-items: center; gap: 10px; color: var(--accent-strong); font: 800 .72rem "SFMono-Regular", Consolas, monospace; letter-spacing: .13em; text-transform: uppercase; }.eyebrow-mark { color: var(--warm); letter-spacing: -.1em; }.hero h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; font-weight: 500; letter-spacing: -.05em; overflow-wrap: anywhere; }.hero h1 { max-width: 690px; margin: 0; font-size: clamp(3.4rem, 7vw, 7rem); line-height: .91; }.hero-kicker { margin: 27px 0 0; max-width: 590px; color: var(--soft); font: 1.23rem/1.35 Georgia, "Times New Roman", serif; }.hero-deck { max-width: 640px; margin: 22px 0 0; color: var(--soft); font-size: 1.02rem; }.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }.button { display: inline-flex; align-items: center; gap: 12px; padding: 12px 17px; text-decoration: none; font-weight: 800; }.button-primary { color: var(--on-accent); background: var(--accent); }.button-primary:hover { color: var(--on-accent); background: var(--accent-strong); }.button-secondary { border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); }.button-secondary:hover { border-color: var(--accent); color: var(--accent-strong); }.hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 30px; color: var(--faint); font-size: .76rem; }.pulse-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 17%, transparent); }.separator { color: var(--line-strong); }
.hero-pulse { min-height: 365px; align-self: center; border: 1px solid var(--line); background: var(--raised); box-shadow: var(--shadow); padding: 23px; position: relative; overflow: hidden; }.hero-pulse::before { content: ""; position: absolute; inset: 0 0 auto; height: 7px; background: var(--accent); }.pulse-heading, .pulse-foot { display: flex; justify-content: space-between; color: var(--faint); font: .67rem "SFMono-Regular", Consolas, monospace; letter-spacing: .1em; }.hero-pulse svg { width: 100%; margin-top: 50px; overflow: visible; }.grid-line { fill: none; stroke: var(--line); stroke-width: 1; }.pulse-line { fill: none; stroke: var(--accent); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }.pulse-node { fill: var(--raised); stroke: var(--accent); stroke-width: 4; }.pulse-node-warm { stroke: var(--warm); }.pulse-foot { margin-top: 22px; color: var(--accent-strong); }
.stats-ribbon { display: grid; grid-template-columns: repeat(4, 1fr); margin-bottom: 118px; border-block: 1px solid var(--line); }.stat { min-height: 116px; padding: 24px 21px; border-right: 1px solid var(--line); display: flex; flex-direction: column; justify-content: center; }.stat:last-child { border-right: 0; }.stat strong { font: 500 2.45rem/1 Georgia, serif; letter-spacing: -.06em; }.stat span { margin-top: 8px; color: var(--faint); font-size: .77rem; font-weight: 750; }.stat-alert strong { color: var(--warm); }
.section-heading { max-width: 730px; margin-bottom: 38px; }.section-heading .eyebrow { margin-bottom: 13px; }.section-number { min-width: 28px; color: var(--warm); letter-spacing: 0; }.section-heading h2 { margin: 0; font-size: clamp(2.7rem, 5vw, 4.7rem); line-height: .95; }.section-heading > p:last-child { max-width: 680px; margin: 22px 0 0; color: var(--soft); font-size: 1rem; }.signals-section { padding-bottom: 120px; }.signals-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }.signal-card { min-height: 430px; border: 1px solid var(--line); background: var(--surface); padding: 22px; position: relative; display: flex; flex-direction: column; }.signal-card::after { content: ""; position: absolute; right: 0; top: 0; width: 38%; height: 5px; background: var(--accent); }.signal-card-heat::after, .signal-card-air::after { background: var(--warm); }.signal-card-border::after { background: var(--violet); }.card-top { min-height: 58px; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }.card-code { color: var(--faint); font: .68rem "SFMono-Regular", Consolas, monospace; letter-spacing: .1em; }.card-top strong { color: var(--accent-strong); font: 500 3.2rem/.7 Georgia, serif; }.signal-card-heat .card-top strong, .signal-card-air .card-top strong { color: var(--warm); }.signal-card h3 { margin: 25px 0 8px; font-size: 1.8rem; line-height: 1.05; }.signal-card > p { min-height: 54px; margin: 0; color: var(--soft); font-size: .88rem; }.sample-list { display: grid; gap: 0; margin: 20px 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }.sample-list li { display: grid; grid-template-columns: 1.15fr .9fr auto; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .76rem; }.sample-list li strong { font-weight: 800; }.sample-list li span { color: var(--faint); }.sample-list li small { color: var(--accent-strong); text-align: right; }.signal-card > a { margin-top: auto; align-self: flex-start; font-size: .78rem; font-weight: 800; }.mini-breakdown { display: flex; flex-wrap: wrap; gap: 7px; margin: 16px 0 0; }.mini-breakdown span { display: flex; flex-direction: column; gap: 3px; padding: 8px 10px; background: var(--warm-wash); color: var(--warm); font-size: .66rem; font-weight: 750; }.mini-breakdown b { font: 500 1.2rem/1 Georgia, serif; }.secondary-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }.secondary-metrics > div { border: 1px solid var(--line); padding: 17px 20px; background: var(--raised); }.secondary-metrics span, .secondary-metrics small { display: block; color: var(--faint); font-size: .72rem; }.secondary-metrics strong { display: block; margin-top: 7px; font: 500 1.45rem/1.1 Georgia, serif; }.secondary-metrics small { margin-top: 8px; }
.sources-section { padding: 112px 0 120px; border-top: 1px solid var(--line); }.source-filter { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 23px; }.source-filter > span { margin-right: 4px; color: var(--faint); font-size: .78rem; font-weight: 750; }.source-filter button { padding: 8px 11px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink-soft); font: inherit; font-size: .74rem; font-weight: 800; cursor: pointer; }.source-filter button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-wash); color: var(--accent-strong); }.source-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }.source-card { min-height: 335px; border: 1px solid var(--line); background: var(--surface); padding: 19px; display: flex; flex-direction: column; }.source-card[hidden] { display: none; }.source-card-top { display: flex; justify-content: space-between; gap: 9px; align-items: center; }.source-status { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-soft); font-size: .7rem; font-weight: 850; }.source-status i { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }.source-status-actual i { background: var(--ok); }.source-status-partial i { background: var(--warm); }.source-status-historical i, .source-status-inactive i { background: var(--faint); }.source-frequency { color: var(--faint); font: .66rem "SFMono-Regular", Consolas, monospace; }.source-card h3 { margin: 25px 0 5px; font-size: 1.35rem; line-height: 1.05; }.source-publisher { margin: 0; color: var(--soft); font-size: .75rem; }.source-facts { display: grid; grid-template-columns: .75fr 1.25fr; gap: 12px; margin-top: 22px; padding-block: 12px; border-block: 1px solid var(--line); }.source-facts span, .source-facts strong { display: block; }.source-facts span { color: var(--faint); font-size: .66rem; }.source-facts strong { margin-top: 4px; font-size: .78rem; }.source-note { min-height: 45px; margin: 14px 0; color: var(--soft); font-size: .75rem; }.source-link { margin-top: auto; align-self: flex-start; font-size: .75rem; font-weight: 850; }.empty-state { padding: 23px; border: 1px dashed var(--line-strong); color: var(--soft); }.method-section { padding: 112px 0 120px; border-top: 1px solid var(--line); }.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }.method-card { min-height: 250px; border: 1px solid var(--line); background: var(--surface); padding: 22px; display: flex; flex-direction: column; }.method-label { color: var(--warm); font: 800 .67rem "SFMono-Regular", Consolas, monospace; letter-spacing: .1em; text-transform: uppercase; }.method-card h3 { margin: 34px 0 10px; font-size: 1.5rem; line-height: 1.08; }.method-card h3 span { color: var(--accent-strong); font: 750 .8rem Inter, sans-serif; }.method-card p { margin: 0 0 16px; color: var(--soft); font-size: .82rem; }.method-card a { margin-top: auto; align-self: flex-start; font-size: .78rem; font-weight: 850; }.method-card-credit a { margin-top: 13px; }.method-card-links { gap: 12px; }.method-card-links a { margin-top: 0; }.site-footer { display: flex; justify-content: space-between; gap: 24px; padding-block: 26px 46px; border-top: 1px solid var(--line); color: var(--faint); font-size: .76rem; }.site-footer p { margin: 0; }.site-footer div { display: flex; gap: 10px; white-space: nowrap; }.site-footer a { color: var(--soft); }
@media (max-width: 1000px) { .hero { grid-template-columns: 1fr; }.hero-pulse { max-width: 600px; width: 100%; }.source-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px) { .page-width, .header-inner { width: min(100% - 30px, 1180px); }.header-inner { min-height: 68px; flex-wrap: wrap; gap: 14px; padding-block: 12px; }.main-nav { order: 3; width: 100%; gap: 17px; overflow-x: auto; padding-bottom: 2px; }.header-tools { margin-left: auto; gap: 10px; }.language-link span, #theme-label { display: none; }.theme-button { padding: 8px; }.hero { padding-top: 57px; padding-bottom: 54px; gap: 43px; }.hero h1 { font-size: clamp(3.3rem, 16vw, 5.5rem); }.hero-kicker { font-size: 1.08rem; }.hero-deck { font-size: .95rem; }.hero-pulse { min-height: 285px; padding: 19px; }.hero-pulse svg { margin-top: 35px; }.stats-ribbon { grid-template-columns: 1fr 1fr; margin-bottom: 74px; }.stat { min-height: 100px; padding: 19px 14px; }.stat:nth-child(2) { border-right: 0; }.stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }.stat strong { font-size: 2rem; }.signals-section, .sources-section, .method-section { padding-bottom: 78px; }.sources-section, .method-section { padding-top: 78px; }.section-heading { margin-bottom: 28px; }.section-heading h2 { font-size: 2.8rem; }.signals-grid, .source-grid, .method-grid, .secondary-metrics { grid-template-columns: 1fr; }.signal-card { min-height: auto; }.sample-list li { grid-template-columns: 1fr auto; }.sample-list li span { grid-column: 1; }.sample-list li small { grid-column: 2; grid-row: 1 / span 2; align-self: center; }.source-card { min-height: auto; }.site-footer { display: block; padding-bottom: 32px; }.site-footer div { margin-top: 14px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }