@import url('data:text/css,');

:root {
  --ink: #08111d;
  --ink-2: #0d1c2d;
  --ink-3: #13263a;
  --snow: #f6f8f7;
  --paper: #ffffff;
  --mist: #e6ecec;
  --muted: #66727c;
  --ice: #77c9df;
  --ice-bright: #a6e7f2;
  --orange: #ff7043;
  --green: #54d09a;
  --gold: #f4c86c;
  --line: rgba(8, 17, 29, .13);
  --shadow: 0 24px 70px rgba(8, 17, 29, .12);
  --radius: 18px;
  --display: "Avenir Next", Avenir, "Helvetica Neue", Arial, sans-serif;
  --body: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--snow); font-family: var(--body); font-size: 16px; line-height: 1.6; overflow-x: hidden; }
a { color: inherit; }
button, input { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }

.skip-link { position: fixed; left: 18px; top: -80px; z-index: 100; padding: 10px 16px; background: white; color: var(--ink); border-radius: 8px; }
.skip-link:focus { top: 18px; }
.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; }

.site-header { height: 82px; padding: 0 clamp(22px, 5vw, 76px); background: var(--ink); color: white; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.12); position: relative; z-index: 5; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; line-height: 1.05; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; background: rgba(255,255,255,.04); }
.brand-mark svg { width: 30px; fill: none; stroke: var(--ice-bright); stroke-width: 2; stroke-linecap: round; }
.brand strong { display: block; font-family: var(--display); letter-spacing: .02em; font-size: 15px; }
.brand small { color: #9fb0bd; font-size: 10px; letter-spacing: .09em; text-transform: uppercase; }
.site-header nav { display: flex; align-items: center; gap: 27px; font-size: 13px; }
.site-header nav a { color: #dce5e8; text-decoration: none; }
.site-header nav a:hover { color: white; }
.concept-label { border: 1px solid rgba(255,255,255,.2); border-radius: 999px; padding: 7px 12px; color: var(--ice-bright); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }

.hero { min-height: 650px; background: var(--ink); color: white; position: relative; isolation: isolate; overflow: hidden; padding: 104px clamp(24px, 7vw, 110px) 90px; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(300px, .55fr); gap: 60px; align-items: center; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -3; background: radial-gradient(circle at 75% 25%, rgba(36,114,143,.23), transparent 31%), linear-gradient(125deg, #08111d 20%, #0a1827 63%, #10273c); }
.contour-lines { position: absolute; inset: -180px -120px -100px 40%; z-index: -2; opacity: .18; background: repeating-radial-gradient(ellipse at 50% 50%, transparent 0 32px, rgba(166,231,242,.22) 33px 34px, transparent 35px 50px); transform: rotate(-13deg); }
.carve-line { position: absolute; inset: auto -8% -30px -8%; width: 116%; height: 420px; z-index: -1; fill: none; stroke: var(--ice); stroke-width: 1.6; opacity: .7; }
.carve-line .echo { opacity: .22; stroke-dasharray: 4 10; }
.hero-copy { max-width: 800px; }
.eyebrow { margin: 0 0 22px; text-transform: uppercase; letter-spacing: .18em; font-weight: 700; font-size: 11px; color: var(--ice-bright); display: flex; align-items: center; gap: 10px; }
.eyebrow span { display: inline-block; width: 28px; height: 1px; background: currentColor; }
.eyebrow.dark { color: #38768b; }
.hero h1 { margin: 0; font-family: var(--display); font-size: clamp(50px, 7vw, 92px); line-height: .96; letter-spacing: -.055em; font-weight: 700; }
.hero-subhead { max-width: 620px; margin: 30px 0 0; color: #c2cdd3; font-size: clamp(18px, 2vw, 22px); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 999px; text-decoration: none; font-weight: 750; font-size: 13px; }
.button.primary { color: var(--ink); background: var(--ice-bright); }
.button.primary:hover { background: white; }
.button.ghost { color: white; border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.04); }
.hero-aside { justify-self: end; width: min(100%, 360px); border-left: 1px solid rgba(255,255,255,.18); padding-left: 28px; }
.route-label { color: #708494; font-size: 10px; letter-spacing: .15em; text-transform: uppercase; }
.route-point { display: grid; grid-template-columns: 55px 1fr; gap: 14px; align-items: start; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.route-point b { font-size: 10px; letter-spacing: .14em; color: var(--orange); }
.route-point span { font-family: var(--display); font-weight: 650; color: #ebf2f3; }

.stats { background: white; padding: 34px clamp(24px, 7vw, 110px); display: grid; grid-template-columns: 1.15fr 2fr; border-bottom: 1px solid var(--line); align-items: stretch; }
.stats-intro { padding-right: 38px; display: flex; gap: 20px; align-items: center; border-right: 1px solid var(--line); }
.stats-intro span { writing-mode: vertical-rl; transform: rotate(180deg); letter-spacing: .15em; font-size: 9px; font-weight: 800; color: #355866; }
.stats-intro p { margin: 0; max-width: 430px; color: #4d5963; font-size: 13px; line-height: 1.55; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 5px 12px; border-right: 1px solid var(--line); }
.stat:last-child { border: none; }
.stat strong { font-family: var(--display); font-size: clamp(24px, 3vw, 38px); line-height: 1.2; letter-spacing: -.04em; }
.stat span { font-size: 10px; text-transform: uppercase; letter-spacing: .11em; color: var(--muted); }

.archive-section { padding: 110px clamp(24px, 7vw, 110px) 124px; }
.section-heading { display: grid; grid-template-columns: 1.4fr .6fr; gap: 50px; align-items: end; margin-bottom: 55px; }
.section-heading h2, .method-section h2, .possibilities h2 { font-family: var(--display); font-size: clamp(38px, 5vw, 62px); line-height: 1.02; letter-spacing: -.045em; margin: 0; }
.section-heading > p { margin: 0; max-width: 430px; color: var(--muted); }
.search-shell { max-width: 980px; margin: 0 auto 45px; }
.search-shell > label { display: block; margin-bottom: 9px; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: #51626d; }
.search-box { height: 64px; display: flex; align-items: center; gap: 14px; padding: 0 18px; background: white; border: 1px solid #cbd5d8; border-radius: 15px; box-shadow: 0 12px 35px rgba(8,17,29,.08); }
.search-box:focus-within { border-color: #408ba3; box-shadow: 0 0 0 4px rgba(119,201,223,.22), 0 12px 35px rgba(8,17,29,.08); }
.search-box svg { width: 23px; fill: none; stroke: #52707e; stroke-width: 1.8; }
.search-box input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 17px; }
.search-box input::placeholder { color: #85929a; }
kbd { border: 1px solid #b9c5c9; border-bottom-width: 2px; padding: 3px 8px; border-radius: 6px; color: #3f515a; background: #f6f8f8; font-family: inherit; font-size: 11px; }
.topic-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 15px; }
.topic-chip { border: 1px solid #cbd5d8; background: transparent; color: #44515a; border-radius: 999px; padding: 7px 13px; font-size: 12px; }
.topic-chip[aria-pressed="true"], .topic-chip:hover { background: var(--ink); color: white; border-color: var(--ink); }

.result-layout { display: grid; grid-template-columns: 285px minmax(0, 1fr); gap: 24px; align-items: start; max-width: 1180px; margin: 0 auto; }
.result-list { background: #edf1f1; border: 1px solid #d4dddd; border-radius: var(--radius); padding: 10px; position: sticky; top: 20px; }
.result-list-header { display: flex; justify-content: space-between; padding: 8px 9px 15px; color: #3f4f57; font-size: 10px; text-transform: uppercase; letter-spacing: .11em; }
.result-list-header b { min-width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; color: white; background: #344851; }
.result-item { width: 100%; border: 0; border-top: 1px solid rgba(8,17,29,.08); background: transparent; display: grid; grid-template-columns: 31px 1fr 18px; text-align: left; gap: 8px; padding: 18px 9px; color: var(--ink); }
.result-item:first-child { border-top: 0; }
.result-item:hover { background: rgba(255,255,255,.55); border-radius: 11px; }
.result-item.active { background: white; border-radius: 11px; box-shadow: 0 5px 18px rgba(8,17,29,.08); border-top-color: transparent; }
.result-index { color: #4f6068; font-size: 10px; padding-top: 2px; }
.result-item small, .result-item em, .result-item strong { display: block; }
.result-item small { color: #2d6175; text-transform: uppercase; letter-spacing: .1em; font-size: 8px; font-style: normal; font-weight: 800; }
.result-item strong { font-family: var(--display); font-size: 15px; margin: 3px 0; }
.result-item em { color: #45535b; font-size: 10px; font-style: normal; }
.result-item svg { width: 18px; fill: none; stroke: #8c999f; stroke-width: 1.8; align-self: center; }
.list-empty { padding: 25px 12px; }
.list-empty span { font-size: 10px; color: var(--orange); text-transform: uppercase; letter-spacing: .1em; }
.list-empty p { font-size: 13px; }

.evidence-view { background: white; border: 1px solid #d3dddd; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; min-height: 720px; }
.evidence-header { padding: 29px 32px; display: flex; justify-content: space-between; gap: 30px; align-items: center; border-bottom: 1px solid var(--line); background: linear-gradient(120deg, #fbfcfc, #f3f7f7); }
.evidence-header p { color: #507989; margin: 0 0 4px; text-transform: uppercase; font-size: 9px; letter-spacing: .12em; font-weight: 800; }
.evidence-header h3 { font-family: var(--display); font-size: clamp(24px, 3vw, 34px); margin: 0; letter-spacing: -.025em; }
.relationship { white-space: nowrap; border: 1px solid; border-radius: 999px; padding: 6px 10px; font-size: 9px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.relationship.supporting { color: #9a582b; border-color: #e8ad7e; background: #fff6eb; }
.relationship.direct { color: #17744e; border-color: #87d9b4; background: #ecfbf4; }
.relationship.evolution { color: #6d5792; border-color: #beaae0; background: #f7f2ff; }
.evidence-stack { padding: 28px 32px 20px; }
.evidence-card { border: 1px solid #d6dfe0; border-radius: 14px; padding: 22px; position: relative; }
.evidence-card header { display: flex; align-items: center; gap: 13px; }
.evidence-card header > span { width: 31px; height: 31px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: var(--ink); color: white; font-size: 9px; font-weight: 800; }
.evidence-card header small, .evidence-card header strong { display: block; }
.evidence-card header small { text-transform: uppercase; letter-spacing: .12em; color: #65757e; font-size: 8px; font-weight: 850; }
.evidence-card header strong { font-family: var(--display); font-size: 14px; }
.evidence-card > p { margin: 18px 0; font-size: 15px; line-height: 1.72; color: #35424a; }
.show-layer { border-left: 4px solid var(--ice); }
.manual-layer { border-left: 4px solid var(--gold); background: #fffdf7; }
.synthesis-layer { border-left: 4px solid var(--green); background: #f7fcfa; }
.source-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 17px; padding-top: 14px; border-top: 1px solid rgba(8,17,29,.1); color: #45545c; font-size: 10px; }
.source-row span { margin-right: auto; }
.source-row b { color: var(--ink); }
.source-row a { color: #1a647d; font-weight: 750; text-underline-offset: 3px; }
.evidence-connector { height: 34px; display: flex; gap: 10px; align-items: center; justify-content: center; color: #4b5c64; }
.evidence-connector span { width: 30px; height: 1px; background: #d1dadc; }
.evidence-connector b { text-transform: uppercase; letter-spacing: .13em; font-size: 7px; }
.brief-button { width: 100%; border: 0; border-top: 1px solid rgba(8,17,29,.1); background: transparent; padding: 16px 0 0; margin-top: 4px; display: flex; align-items: center; justify-content: space-between; color: #176547; font-weight: 800; font-size: 12px; }
.evidence-disclosure { margin: 10px 32px 24px; color: #46565d; font-size: 9px; }
.no-coverage { min-height: 690px; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 60px; background: repeating-linear-gradient(135deg, #fff, #fff 15px, #fafcfc 15px, #fafcfc 30px); }
.no-coverage > span { color: var(--orange); font-size: 10px; letter-spacing: .16em; font-weight: 850; }
.no-coverage h3 { font-family: var(--display); font-size: 34px; margin: 12px 0; }
.no-coverage p { max-width: 520px; color: var(--muted); }
.no-coverage button { margin-top: 15px; border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: white; padding: 10px 17px; font-weight: 750; }

.method-section { padding: 110px clamp(24px, 7vw, 110px); background: var(--ink); color: white; display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(60px, 10vw, 150px); }
.method-copy > p:last-child { color: #aebbc3; max-width: 560px; font-size: 17px; }
.method-steps { list-style: none; margin: 0; padding: 0; }
.method-steps li { display: grid; grid-template-columns: 44px 1fr; gap: 18px; border-top: 1px solid rgba(255,255,255,.15); padding: 24px 0; }
.method-steps li > span { color: var(--orange); font-size: 10px; font-weight: 850; }
.method-steps strong { font-family: var(--display); font-size: 18px; }
.method-steps p { margin: 4px 0 0; color: #9eabb4; font-size: 13px; }

.possibilities { padding: 110px clamp(24px, 7vw, 110px) 125px; }
.possibility-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 50px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.possibility-grid article { padding: 34px 34px 45px; border-right: 1px solid var(--line); }
.possibility-grid article:last-child { border: 0; }
.possibility-grid span { color: #326579; font-size: 10px; font-weight: 850; }
.possibility-grid h3 { font-family: var(--display); font-size: 22px; margin: 32px 0 10px; }
.possibility-grid p { color: var(--muted); font-size: 14px; }

footer { min-height: 150px; padding: 42px clamp(24px, 7vw, 110px); background: #060d16; color: white; display: flex; justify-content: space-between; gap: 40px; align-items: center; }
footer strong, footer span { display: block; }
footer strong { font-family: var(--display); font-size: 20px; }
footer span, footer p { color: #81919c; font-size: 11px; }
footer p { max-width: 520px; text-align: right; }

dialog { width: min(640px, calc(100% - 32px)); border: 0; border-radius: 18px; padding: 0; color: var(--ink); box-shadow: 0 30px 100px rgba(0,0,0,.4); }
dialog::backdrop { background: rgba(4, 12, 20, .76); backdrop-filter: blur(5px); }
.dialog-topline { min-height: 52px; padding: 0 18px 0 24px; display: flex; align-items: center; justify-content: space-between; background: var(--ink); color: white; text-transform: uppercase; letter-spacing: .12em; font-size: 9px; }
.dialog-topline button { border: 0; background: transparent; color: white; font-size: 28px; line-height: 1; }
#brief-content { padding: 34px; }
.dialog-eyebrow { color: #39768b; text-transform: uppercase; letter-spacing: .12em; font-size: 9px; font-weight: 850; }
#brief-content h2 { font-family: var(--display); font-size: 34px; line-height: 1.08; margin: 7px 0 15px; letter-spacing: -.035em; }
.dialog-lede { color: #4f5b63; }
.brief-source { display: grid; grid-template-columns: 1fr auto; gap: 2px 18px; margin: 24px 0; padding: 16px; border: 1px solid #d3dede; border-radius: 12px; background: #f6f9f9; }
.brief-source span { grid-column: 1 / -1; text-transform: uppercase; letter-spacing: .1em; color: #6f7d84; font-size: 8px; font-weight: 850; }
.brief-source small { color: #5f6d75; }
#brief-content h3 { font-family: var(--display); margin-top: 26px; }
#brief-content ol { padding-left: 22px; }
#brief-content li { margin-bottom: 10px; padding-left: 6px; }
.dialog-note { margin-top: 25px; padding: 16px; border-left: 3px solid var(--orange); background: #fff7f2; }
.dialog-note b { text-transform: uppercase; font-size: 9px; letter-spacing: .1em; }
.dialog-note p { margin: 5px 0 0; color: #5b5551; font-size: 12px; }

@media (max-width: 900px) {
  .site-header nav a { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 85px; }
  .hero-aside { justify-self: start; width: 100%; max-width: 600px; }
  .stats { grid-template-columns: 1fr; }
  .stats-intro { border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 24px; }
  .stats-intro span { writing-mode: initial; transform: none; }
  .stats-grid { padding-top: 25px; }
  .section-heading, .method-section { grid-template-columns: 1fr; }
  .result-layout { grid-template-columns: 1fr; }
  .result-list { position: static; }
  #result-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .result-item { border: 1px solid rgba(8,17,29,.08); border-radius: 11px; }
  .result-item svg { display: none; }
  .method-section { gap: 45px; }
}

@media (max-width: 640px) {
  .site-header { height: 70px; padding: 0 16px; }
  .site-header .concept-label { display: none; }
  .brand-mark { width: 36px; height: 36px; }
  .brand small { display: none; }
  .hero { padding: 64px 20px 65px; gap: 45px; grid-template-columns: minmax(0, 1fr); }
  .hero > *, .hero-copy, .hero-aside { min-width: 0; width: 100%; }
  .hero h1 { font-size: clamp(45px, 14vw, 62px); overflow-wrap: anywhere; }
  .hero-subhead { max-width: 100%; font-size: 17px; overflow-wrap: anywhere; }
  .hero-actions { width: 100%; align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-aside { padding-left: 18px; }
  .route-point { grid-template-columns: 55px minmax(0, 1fr); }
  .route-point span { overflow-wrap: anywhere; }
  .stats { padding: 28px 20px; }
  .stats-intro { align-items: flex-start; flex-direction: column; gap: 8px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: 15px 7px; border-bottom: 1px solid var(--line); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(3), .stat:nth-child(4) { border-bottom: 0; }
  .archive-section, .possibilities { padding: 78px 16px 85px; }
  .section-heading { gap: 20px; margin-bottom: 38px; }
  .section-heading h2, .method-section h2, .possibilities h2 { font-size: 38px; }
  .search-box { height: 58px; padding: 0 13px; }
  kbd { display: none; }
  #result-list { grid-template-columns: 1fr; }
  .result-item { grid-template-columns: 27px 1fr; }
  .evidence-header { align-items: flex-start; flex-direction: column; padding: 22px 20px; }
  .evidence-stack { padding: 20px 14px; }
  .evidence-card { padding: 18px; }
  .source-row { align-items: flex-start; flex-direction: column; }
  .source-row span { margin: 0; }
  .evidence-disclosure { margin: 7px 18px 22px; }
  .no-coverage { min-height: 520px; padding: 35px 22px; }
  .method-section { padding: 80px 20px; }
  .possibility-grid { grid-template-columns: 1fr; }
  .possibility-grid article { border-right: 0; border-bottom: 1px solid var(--line); padding-left: 0; padding-right: 0; }
  footer { padding: 38px 20px; flex-direction: column; align-items: flex-start; }
  footer p { text-align: left; }
  #brief-content { padding: 25px 20px; }
  #brief-content h2 { font-size: 29px; }
  .brief-source { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}