:root {
  --bg: #061b46;
  --bg-2: #08265c;
  --bg-3: #0a3478;
  --surface: #0a2b68;
  --surface-2: #103b82;
  --paper: #f5f8ff;
  --paper-dim: #bdcde6;
  --paper-faint: #7f9bc1;
  --paper-ghost: #55739d;
  --ember: #3a8ff0;
  --ember-hi: #7bc3ff;
  --ember-deep: #1750a8;
  --gold: #ffe9a9;
  --gold-deep: #dcb85d;
  --line: rgba(220, 235, 255, 0.14);
  --line-soft: rgba(220, 235, 255, 0.075);
  --shadow: 0 28px 80px rgba(0, 12, 42, 0.48);
  --serif: "Source Han Serif SC", "Songti SC", STSong, SimSun, Georgia, serif;
  --sans: "Microsoft YaHei UI", "PingFang SC", "Source Han Sans SC", sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --ease: cubic-bezier(0.22, 0.7, 0.2, 1);
  --shell: min(1240px, calc(100vw - 88px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); color-scheme: dark; }
html, body { margin: 0; min-height: 100%; overflow-x: clip; }
body {
  background: var(--bg);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::after {
  position: fixed;
  inset: -50%;
  z-index: 200;
  pointer-events: none;
  content: "";
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.88' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.72'/%3E%3C/svg%3E");
  animation: grain 0.24s steps(2) infinite;
}

::selection { background: var(--ember-hi); color: #041333; }
img, video { max-width: 100%; }
img { display: block; }
video { display: block; background: #041538; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
a:focus-visible, button:focus-visible, dialog:focus-visible { outline: 1px solid var(--ember-hi); outline-offset: 4px; }
h1, h2, h3, p, blockquote, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }

.shell { width: var(--shell); margin-inline: auto; }
.section { padding: clamp(90px, 11vw, 154px) 0; position: relative; }
section[id] { scroll-margin-top: 74px; }
.skip-link {
  position: fixed;
  left: 20px;
  top: -60px;
  z-index: 300;
  padding: 9px 14px;
  background: var(--ember);
  color: #041333;
  font: 600 12px var(--mono);
  transition: top 0.2s;
}
.skip-link:focus { top: 18px; }
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 220;
  height: 2px;
  background: rgba(255, 255, 255, 0.04);
}
.scroll-progress span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--ember-deep), var(--ember-hi)); }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: 74px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 34px;
  border-bottom: 1px solid transparent;
  transition: background 0.45s var(--ease), border-color 0.45s, box-shadow 0.45s;
}
.site-header.scrolled {
  background: rgba(5, 27, 70, 0.88);
  border-color: var(--line-soft);
  box-shadow: 0 12px 44px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(16px) saturate(1.05);
}
.brand { display: inline-flex; align-items: center; gap: 11px; width: max-content; }
.brand-mark { width: 25px; height: 25px; fill: none; stroke: var(--ember); stroke-width: 1.15; transition: transform 0.6s var(--ease); }
.brand:hover .brand-mark { transform: rotate(60deg); }
.brand > span { display: inline-flex; align-items: baseline; gap: 3px; font-family: var(--serif); }
.brand b { font-size: 22px; font-weight: 400; letter-spacing: 0.05em; }
.brand i { color: var(--ember); font: normal 10px var(--mono); letter-spacing: 0.12em; }
.primary-nav { display: flex; align-items: center; gap: 34px; }
.primary-nav a {
  position: relative;
  color: var(--paper-dim);
  font: 500 11px var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color 0.25s;
}
.primary-nav a::after { position: absolute; content: ""; height: 1px; left: 0; right: 100%; bottom: -8px; background: var(--ember); transition: right 0.35s var(--ease); }
.primary-nav a:hover, .primary-nav a.active { color: var(--paper); }
.primary-nav a:hover::after, .primary-nav a.active::after { right: 0; }
.header-meta { justify-self: end; color: var(--paper-faint); font: 10px var(--mono); letter-spacing: 0.13em; }
.header-meta span { display: inline-block; width: 5px; height: 5px; margin-right: 9px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 0 5px rgba(58, 143, 240, 0.15); animation: pulse 3.4s infinite; }
.menu-toggle, .mobile-nav { display: none; }

.hero { position: relative; min-height: 100svh; overflow: hidden; background: #082d72; }
.cover-collage { position: absolute; inset: 0 0 0 36%; overflow: hidden; clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%); }
.cover-photo { position: absolute; overflow: hidden; margin: 0; border: 3px solid rgba(232, 243, 255, 0.22); background: #0b3f88; box-shadow: 0 18px 45px rgba(0, 17, 58, 0.36); }
.cover-photo::after { position: absolute; inset: 0; content: ""; background: rgba(31, 104, 180, 0.5); mix-blend-mode: color; }
.cover-photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.42) saturate(0.72) contrast(1.08); }
.cover-photo-a { width: 62%; height: 33%; left: 9%; top: -8%; transform: rotate(-5deg); }
.cover-photo-b { width: 47%; height: 32%; right: -3%; top: 3%; transform: rotate(6deg); }
.cover-photo-c { width: 48%; height: 31%; left: 3%; top: 27%; transform: rotate(-6deg); }
.cover-photo-d { width: 42%; height: 32%; right: 3%; top: 28%; transform: rotate(5deg); }
.cover-photo-e { width: 48%; height: 34%; left: 9%; bottom: 5%; transform: rotate(5deg); }
.cover-photo-f { width: 35%; height: 30%; right: -1%; bottom: -1%; transform: rotate(-7deg); }
.cover-photo-g { width: 31%; height: 29%; right: 24%; bottom: 24%; transform: rotate(-2deg); }
.cover-wash { position: absolute; inset: 0; background: linear-gradient(90deg, #082d72 0%, #082d72 30%, rgba(8, 45, 114, 0.97) 42%, rgba(8, 45, 114, 0.3) 72%, rgba(5, 33, 84, 0.5) 100%), linear-gradient(0deg, rgba(4, 27, 73, 0.84), transparent 52%, rgba(9, 50, 122, 0.38)); }
.hero-grid { position: relative; z-index: 2; min-height: 100svh; display: grid; grid-template-rows: auto 1fr auto; padding: 104px 0 34px; }
.cover-brandline { display: flex; align-items: center; gap: 16px; width: max-content; max-width: 680px; }
.cover-emblem { position: relative; display: grid; place-items: center; width: 68px; height: 68px; flex: 0 0 auto; border: 2px solid rgba(255, 255, 255, 0.92); border-radius: 50%; box-shadow: inset 0 0 0 5px #082d72, inset 0 0 0 6px rgba(255, 255, 255, 0.7); }
.cover-emblem::before, .cover-emblem::after { position: absolute; content: ""; inset: 10px; border: 1px solid rgba(255, 255, 255, 0.48); border-radius: 50%; }
.cover-emblem::after { inset: 20px 9px; border-width: 1px 0; border-radius: 0; transform: rotate(-45deg); }
.cover-emblem span { position: relative; z-index: 1; color: #fff; font: 700 17px var(--serif); letter-spacing: 0.06em; }
.cover-brandline p { display: flex; flex-direction: column; line-height: 1.2; }
.cover-brandline strong { color: #fff; font-family: var(--serif); font-size: clamp(21px, 2vw, 31px); font-weight: 700; letter-spacing: 0.06em; }
.cover-brandline p span { margin-top: 7px; color: #dbe9fb; font-size: clamp(12px, 1vw, 15px); letter-spacing: 0.13em; }
.hero-copy { align-self: center; max-width: 1080px; padding: 42px 0 26px; }
.slate { color: #aac3e3; font: 500 10.5px var(--mono); letter-spacing: 0.22em; text-transform: uppercase; }
.rec { display: flex; align-items: center; gap: 10px; }
.rec span { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 6px rgba(255, 233, 169, 0.12); animation: blink 1.7s steps(2) infinite; }
.hero-calligraphy { margin: 18px 0 8px 2vw; color: var(--gold); font-family: STKaiti, KaiTi, "FZKai-Z03", var(--serif); font-size: clamp(58px, 7.7vw, 122px); font-weight: 700; line-height: 1; letter-spacing: -0.08em; text-shadow: 4px 5px 0 rgba(2, 20, 54, 0.45), 0 0 24px rgba(255, 229, 151, 0.18); transform: rotate(-2deg); transform-origin: left center; }
.hero h1 { max-width: 1050px; color: #fff; font-family: var(--sans); font-size: clamp(30px, 3.7vw, 58px); font-weight: 800; line-height: 1.38; letter-spacing: -0.055em; text-shadow: 0 4px 18px rgba(0, 26, 77, 0.42); }
.hero-subtitle { width: max-content; max-width: 100%; margin-top: 21px; padding-left: 78px; color: #eef6ff; font-size: clamp(16px, 1.65vw, 24px); font-weight: 700; letter-spacing: 0.04em; }
.hero-subtitle::before { display: inline-block; width: 56px; height: 2px; margin: 0 16px 0 -72px; vertical-align: middle; content: ""; background: linear-gradient(90deg, transparent, #bcdcff); }
.cover-team-details { display: grid; width: max-content; max-width: 100%; gap: 4px; margin: 24px 0 0 80px; }
.cover-team-details div { display: grid; grid-template-columns: 84px 1fr; gap: 14px; align-items: baseline; }
.cover-team-details dt { color: #95b6dc; font: 600 12px var(--mono); letter-spacing: 0.08em; }
.cover-team-details dd { margin: 0; color: #fff; font-size: 15px; font-weight: 650; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin: 26px 0 0 80px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 21px; border: 1px solid transparent; border-radius: 2px; font: 600 11px var(--mono); letter-spacing: 0.16em; text-transform: uppercase; cursor: pointer; transition: transform 0.25s, color 0.25s, border-color 0.25s, background 0.25s; }
.button:hover { transform: translateY(-2px); }
.button-solid { background: #fff; color: #082d72; box-shadow: 0 10px 30px rgba(0, 19, 58, 0.24); }
.button-solid:hover { background: var(--gold); }
.button-ghost { border-color: var(--line); background: transparent; color: var(--paper); }
.button-ghost:hover { border-color: var(--ember-hi); color: var(--ember-hi); }
.play-link { display: inline-flex; align-items: center; gap: 12px; color: #d6e5f7; font: 500 11px var(--mono); letter-spacing: 0.1em; }
.play-icon { display: grid; place-items: center; width: 42px; height: 42px; padding-left: 2px; border: 1px solid rgba(255, 233, 169, 0.72); border-radius: 50%; color: var(--gold); font-size: 9px; transition: background 0.25s, color 0.25s, transform 0.25s; }
.play-link:hover .play-icon { background: var(--gold); color: #082d72; transform: scale(1.06); }
.hero-footer { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; border-top: 1px solid rgba(220, 235, 255, 0.2); padding-top: 17px; }
.hero-caption strong { display: block; margin: 3px 0 1px; color: #fff; font-family: var(--serif); font-size: 23px; font-weight: 700; }
.hero-caption p { color: #91afd3; font: 10.5px var(--mono); letter-spacing: 0.12em; }
.hero-chapters { display: flex; align-items: center; gap: 18px; }
.hero-chapters a { min-width: 98px; color: #a8c0df; font: 11px var(--mono); letter-spacing: 0.06em; transition: color 0.25s; }
.hero-chapters a span { display: block; margin-bottom: 3px; color: var(--gold); font-size: 9px; }
.hero-chapters a:hover { color: #fff; }
.scroll-cue { position: absolute; z-index: 4; left: 50%; bottom: 21px; display: flex; flex-direction: column; align-items: center; gap: 7px; transform: translateX(-50%); color: #88a7cd; }
.scroll-cue span { width: 1px; height: 26px; background: linear-gradient(var(--gold), transparent); animation: cue 1.8s var(--ease) infinite; }
.scroll-cue i { font: normal 8px var(--mono); letter-spacing: 0.24em; }

.section-head { display: grid; grid-template-columns: 150px 1fr; align-items: start; margin-bottom: clamp(54px, 7vw, 94px); }
.section-head > div { display: flex; align-items: center; gap: 12px; padding-top: 10px; }
.section-head > div span { color: var(--ember); font: 600 13px var(--mono); }
.section-head > div i { color: var(--paper-faint); font: normal 10px var(--mono); letter-spacing: 0.18em; }
.section-head h2 { position: relative; font-family: var(--serif); font-size: clamp(42px, 6.5vw, 88px); font-weight: 400; line-height: 1.06; letter-spacing: -0.035em; }
.section-head h2::after { position: absolute; content: ""; height: 1px; width: min(300px, 24vw); top: 18px; right: 0; background: linear-gradient(90deg, var(--line), transparent); }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--ember); font: 600 10.5px var(--mono); letter-spacing: 0.26em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 25px; height: 1px; background: linear-gradient(90deg, var(--ember), transparent); }

.question { background: var(--bg-2); }
.question-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(50px, 7vw, 98px); align-items: start; }
.question-statement blockquote { max-width: 17ch; margin: 25px 0; font-family: var(--serif); font-size: clamp(32px, 4.3vw, 58px); line-height: 1.27; letter-spacing: -0.025em; }
.question-statement > p:last-child { max-width: 610px; color: var(--paper-dim); font-size: 17px; line-height: 1.95; }
.four-new-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.four-new-grid a { min-height: 192px; display: flex; flex-direction: column; justify-content: flex-end; padding: 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(145deg, transparent, rgba(58, 143, 240, 0)); transition: background 0.4s, transform 0.4s; }
.four-new-grid a:hover { background: linear-gradient(145deg, rgba(58, 143, 240, 0.16), transparent 72%); transform: translateY(-3px); }
.four-new-grid span { margin-bottom: auto; color: var(--ember); font: 11px var(--mono); }
.four-new-grid strong { font-family: var(--serif); font-size: clamp(23px, 2.5vw, 34px); font-weight: 400; }
.four-new-grid i { margin-top: 4px; color: var(--paper-faint); font: normal 10px var(--mono); letter-spacing: 0.1em; }
.source-note { margin-top: 42px; padding-top: 17px; border-top: 1px solid var(--line-soft); color: var(--paper-faint); font: 10px var(--mono); letter-spacing: 0.08em; }
.source-note a { color: var(--paper-dim); border-bottom: 1px solid var(--paper-ghost); }

.chapter { position: relative; min-height: 100svh; padding: clamp(110px, 12vw, 170px) 0; overflow: hidden; border-top: 1px solid var(--line-soft); }
.chapter:nth-child(odd) { background: var(--bg); }
.chapter:nth-child(even) { background: var(--bg-2); }
.chapter-number { position: absolute; z-index: 0; right: -0.04em; top: 0.02em; color: rgba(184, 216, 255, 0.035); font-family: var(--serif); font-size: min(42vw, 620px); line-height: 1; letter-spacing: -0.08em; pointer-events: none; }
.chapter-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: clamp(58px, 8vw, 118px); align-items: center; }
.chapter-grid-flip { grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); }
.chapter-copy h2, .landscape-head h2 { margin: 18px 0 24px; font-family: var(--serif); font-size: clamp(52px, 7.5vw, 106px); font-weight: 400; line-height: 0.98; letter-spacing: -0.055em; }
.chapter-definition { max-width: 690px; padding-left: 19px; border-left: 2px solid var(--ember); color: var(--paper); font-family: var(--serif); font-size: clamp(18px, 2vw, 25px); line-height: 1.7; }
.chapter-lede { max-width: 650px; margin: 26px 0 32px; color: var(--paper-dim); font-family: var(--serif); font-size: clamp(20px, 2.1vw, 28px); font-style: italic; line-height: 1.55; }
.evidence-stack { border-top: 1px solid var(--line); }
.evidence-stack article { display: grid; grid-template-columns: 86px 1fr; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.evidence-stack span, .chapter-insight span { color: var(--ember); font: 600 10px var(--mono); letter-spacing: 0.12em; }
.evidence-stack p, .chapter-insight p { color: var(--paper-dim); font-size: 14px; line-height: 1.7; }
.chapter-visual { position: relative; min-width: 0; }
.image-stage { position: relative; overflow: hidden; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.image-stage::after { position: absolute; inset: 0; content: ""; pointer-events: none; background: linear-gradient(0deg, rgba(4, 24, 62, 0.7), transparent 38%); }
.image-stage img { width: 100%; min-height: 640px; object-fit: cover; filter: saturate(0.75) contrast(1.05); transition: transform 1.2s var(--ease), filter 1.2s; }
.image-stage:hover img { transform: scale(1.025); filter: saturate(0.95) contrast(1.03); }
.image-stage figcaption { position: absolute; z-index: 2; left: 22px; right: 22px; bottom: 17px; display: flex; justify-content: space-between; gap: 20px; color: var(--paper-dim); font: 10px var(--mono); letter-spacing: 0.12em; }
.image-stage figcaption span { color: var(--ember); }
.floating-card { position: absolute; z-index: 3; width: 42%; margin: 0; overflow: hidden; border: 1px solid rgba(220, 235, 255, 0.2); background: var(--surface-2); box-shadow: 0 20px 60px rgba(0, 15, 50, 0.46); }
.floating-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; filter: saturate(0.76); }
.floating-card figcaption { padding: 9px 12px; color: var(--paper-faint); font: 9px var(--mono); letter-spacing: 0.1em; }
.floating-card-br { right: -7%; bottom: -7%; }
.floating-card-tl { left: -7%; top: -8%; }
.visual-path .image-stage img { min-height: 660px; object-position: center; }
.chain-map { display: flex; align-items: stretch; margin: 30px 0 24px; overflow-x: auto; scrollbar-width: thin; scrollbar-color: var(--paper-ghost) transparent; }
.chain-map div { min-width: 112px; flex: 1 0 112px; padding: 15px 12px; border: 1px solid var(--line); background: rgba(220, 235, 255, 0.025); }
.chain-map > b { align-self: center; padding: 0 7px; color: var(--ember); font: 400 14px var(--mono); }
.chain-map span, .chain-map i { display: block; color: var(--paper-faint); font: normal 9px var(--mono); letter-spacing: 0.08em; }
.chain-map strong { display: block; margin: 8px 0 4px; font-family: var(--serif); font-size: 19px; font-weight: 400; }
.chapter-insight { display: grid; grid-template-columns: 90px 1fr; gap: 14px; padding: 18px; background: linear-gradient(105deg, rgba(58, 143, 240, 0.16), transparent 72%); border-left: 1px solid var(--ember); }

.chapter-landscape { padding-bottom: clamp(130px, 14vw, 200px); }
.landscape-head { position: relative; z-index: 1; display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(50px, 8vw, 112px); align-items: end; margin-bottom: 60px; }
.landscape-head .chapter-lede { margin-bottom: 0; }
.product-gallery { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.7fr 0.7fr; grid-template-rows: 1fr 1fr; gap: 14px; }
.product-gallery figure { position: relative; min-height: 300px; overflow: hidden; background: var(--surface); border: 1px solid var(--line-soft); }
.product-gallery .product-main { grid-row: span 2; min-height: 720px; }
.product-gallery figure:nth-child(4) { grid-column: span 2; }
.product-gallery img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.72) contrast(1.04); transition: transform 0.9s var(--ease), filter 0.9s; }
.product-gallery figure:hover img { transform: scale(1.035); filter: saturate(1); }
.product-gallery figure::after { position: absolute; inset: 0; content: ""; background: linear-gradient(0deg, rgba(4, 24, 62, 0.85), transparent 52%); pointer-events: none; }
.product-gallery figcaption { position: absolute; z-index: 2; left: 18px; right: 18px; bottom: 15px; display: flex; align-items: flex-end; gap: 14px; }
.product-gallery figcaption span { color: var(--ember); font: 10px var(--mono); }
.product-gallery figcaption strong { font-family: var(--serif); font-size: 20px; font-weight: 400; }
.product-gallery figcaption i { margin-left: auto; color: var(--paper-faint); font: normal 9px var(--mono); letter-spacing: 0.08em; }
.landscape-insights { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 42px; border-top: 1px solid var(--line); }
.landscape-insights article { padding: 25px 28px 0 0; border-right: 1px solid var(--line); }
.landscape-insights article + article { padding-left: 28px; }
.landscape-insights article:last-child { border-right: 0; }
.landscape-insights span { color: var(--ember); font: 10px var(--mono); letter-spacing: 0.15em; }
.landscape-insights strong { display: block; margin: 4px 0 9px; font-family: var(--serif); font-size: 26px; font-weight: 400; }
.landscape-insights p { color: var(--paper-dim); font-size: 13.5px; }
.outcomes { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.outcomes div { min-height: 120px; padding: 17px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.outcomes span, .outcomes i { display: block; color: var(--paper-faint); font: normal 9px var(--mono); letter-spacing: 0.08em; }
.outcomes span { color: var(--ember); }
.outcomes strong { display: block; margin-top: 15px; font-family: var(--serif); font-size: 20px; font-weight: 400; }
.result-team { width: 48%; }

.method { background: #f2f7ff; color: #0a2b61; }
.method .section-head > div i { color: #5c7598; }
.method .section-head h2::after { background: linear-gradient(90deg, rgba(10, 43, 97, 0.2), transparent); }
.method-quote { display: grid; grid-template-columns: 170px 1fr; gap: 50px; align-items: start; margin: 0 0 68px 150px; padding: 30px 0; border-top: 1px solid rgba(10, 43, 97, 0.22); border-bottom: 1px solid rgba(10, 43, 97, 0.22); }
.method-quote span { color: #1750a8; font: 600 10px var(--mono); letter-spacing: 0.13em; }
.method-quote p { max-width: 860px; font-family: var(--serif); font-size: clamp(25px, 3.4vw, 45px); line-height: 1.45; letter-spacing: -0.02em; }
.method-steps { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(10, 43, 97, 0.22); }
.method-steps li { min-height: 250px; padding: 22px 20px; border-right: 1px solid rgba(10, 43, 97, 0.18); }
.method-steps li:last-child { border: 0; }
.method-steps span { color: #2468b9; font: 600 10px var(--mono); }
.method-steps strong { display: block; margin: 64px 0 11px; font-family: var(--serif); font-size: 24px; font-weight: 400; }
.method-steps p { color: #506b90; font-size: 13.5px; }

.route { overflow: hidden; background: var(--bg-3); }
.route-backdrop { position: absolute; inset: 0; opacity: 0.42; background: radial-gradient(circle at 50% 48%, rgba(91, 173, 255, 0.24), transparent 34%), linear-gradient(90deg, transparent 49.9%, var(--line-soft) 50%, transparent 50.1%); }
.route-grid { position: relative; display: grid; grid-template-columns: 1fr 120px 1fr; gap: 22px; align-items: stretch; }
.city-card { position: relative; min-height: 510px; padding: 38px; overflow: hidden; border: 1px solid var(--line); background: rgba(5, 34, 82, 0.76); }
.city-card-active { background: linear-gradient(145deg, rgba(73, 154, 241, 0.2), rgba(7, 39, 91, 0.88) 55%); border-color: rgba(91, 173, 255, 0.42); }
.city-index { position: absolute; top: -0.27em; right: -0.04em; color: rgba(220, 235, 255, 0.05); font: 400 154px/1 var(--serif); letter-spacing: -0.08em; }
.city-card h3 { max-width: 10ch; margin: 28px 0 20px; font-family: var(--serif); font-size: clamp(32px, 4vw, 52px); font-weight: 400; line-height: 1.12; }
.city-card > p:not(.eyebrow) { max-width: 540px; color: var(--paper-dim); }
.city-card ul { margin-top: 30px; border-top: 1px solid var(--line); }
.city-card li { padding: 10px 0; border-bottom: 1px solid var(--line-soft); color: var(--paper-dim); font-size: 13px; }
.city-card li::before { content: "◇"; margin-right: 10px; color: var(--ember); }
.city-status { position: absolute; left: 38px; bottom: 26px; color: var(--paper-faint); font: 9px var(--mono); letter-spacing: 0.12em; }
.city-status i { display: inline-block; width: 5px; height: 5px; margin-right: 7px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 0 5px rgba(58, 143, 240, 0.13); }
.route-axis { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; }
.route-axis span { width: 1px; flex: 1; background: linear-gradient(transparent, var(--ember), transparent); }
.route-axis i { writing-mode: vertical-rl; color: var(--paper-faint); font: normal 9px var(--mono); letter-spacing: 0.12em; }
.route-photo { position: relative; margin-top: 90px; aspect-ratio: 21 / 8; overflow: hidden; }
.route-photo::after { position: absolute; inset: 0; content: ""; background: linear-gradient(0deg, rgba(4, 24, 62, 0.85), transparent 55%); }
.route-photo img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.6) contrast(1.04); }
.route-photo figcaption { position: absolute; z-index: 2; left: 25px; right: 25px; bottom: 18px; display: flex; justify-content: space-between; color: var(--paper-dim); font: 10px var(--mono); letter-spacing: 0.1em; }
.route-photo figcaption span { color: var(--paper); }

.motion { background: var(--bg-2); }
.motion-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.motion-grid figure { position: relative; overflow: hidden; border: 1px solid var(--line-soft); background: var(--surface); }
.motion-grid .motion-feature { grid-column: span 2; grid-row: span 2; }
.motion-grid video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.motion-feature video { height: calc(100% - 88px); min-height: 510px; }
.motion-grid figcaption { min-height: 88px; padding: 14px 17px; }
.motion-grid figcaption span { display: block; color: var(--ember); font: 9px var(--mono); letter-spacing: 0.12em; }
.motion-grid figcaption strong { display: block; margin-top: 5px; font-family: var(--serif); font-size: 18px; font-weight: 400; }
.motion-feature figcaption strong { font-size: 24px; }

.archive { background: var(--bg); }
.archive-toolbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.archive-filters { display: flex; flex-wrap: wrap; gap: 7px; }
.archive-filters button { padding: 7px 12px; border: 1px solid var(--line); border-radius: 2px; background: transparent; color: var(--paper-faint); font: 10px var(--mono); letter-spacing: 0.08em; cursor: pointer; transition: color 0.25s, border-color 0.25s, background 0.25s; }
.archive-filters button:hover, .archive-filters button.active { color: #041333; border-color: var(--ember-hi); background: var(--ember-hi); }
.archive-toolbar > p { color: var(--paper-faint); font: 9px var(--mono); letter-spacing: 0.12em; white-space: nowrap; }
.archive-toolbar > p strong { color: var(--ember-hi); font-size: 13px; }
.archive-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.archive-card { position: relative; min-width: 0; aspect-ratio: 4 / 3; overflow: hidden; border: 1px solid var(--line-soft); background: var(--surface); cursor: zoom-in; }
.archive-card:nth-child(7n + 1), .archive-card:nth-child(11n + 4) { grid-column: span 2; aspect-ratio: 2 / 1; }
.archive-card img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.68) contrast(1.03); transition: transform 0.8s var(--ease), filter 0.8s; }
.archive-card:hover img { transform: scale(1.04); filter: saturate(1); }
.archive-card::after { position: absolute; inset: 0; content: ""; pointer-events: none; background: linear-gradient(0deg, rgba(4, 24, 62, 0.9), transparent 50%); }
.archive-card-meta { position: absolute; z-index: 2; left: 12px; right: 12px; bottom: 9px; display: flex; justify-content: space-between; align-items: end; color: var(--paper); font: 9px var(--mono); letter-spacing: 0.08em; pointer-events: none; }
.archive-card-meta span:last-child { color: var(--paper-faint); }
.archive-play { position: absolute; z-index: 2; top: 14px; right: 14px; display: grid; place-items: center; width: 33px; height: 33px; padding-left: 2px; border: 1px solid rgba(220, 235, 255, 0.55); border-radius: 50%; background: rgba(4, 24, 62, 0.52); color: var(--ember-hi); font-size: 8px; backdrop-filter: blur(6px); }
.archive-more-wrap { display: flex; justify-content: center; margin-top: 42px; }

.closing { min-height: 82svh; display: grid; place-items: center; overflow: hidden; text-align: center; background: #051a43; }
.closing-glow { position: absolute; width: 900px; height: 500px; left: 50%; bottom: -320px; transform: translateX(-50%); border-radius: 50%; background: radial-gradient(circle, rgba(58, 143, 240, 0.48), transparent 67%); filter: blur(15px); }
.closing-inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; }
.closing h2 { max-width: 19ch; margin: 24px auto; font-family: var(--serif); font-size: clamp(40px, 6.5vw, 88px); font-weight: 400; line-height: 1.15; letter-spacing: -0.035em; }
.closing-inner > p:not(.eyebrow) { max-width: 640px; color: var(--paper-dim); }
.closing .button { margin-top: 32px; }

.site-footer { border-top: 1px solid var(--line); background: var(--bg); }
.footer-top { display: grid; grid-template-columns: 1.5fr 0.75fr 0.75fr; gap: 40px; padding: 60px 0 48px; }
.footer-brand { margin-bottom: 16px; }
.footer-top > div:first-child p { color: var(--paper-faint); font-size: 12px; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; }
.footer-links span { margin-bottom: 8px; color: var(--paper-faint); font: 9px var(--mono); letter-spacing: 0.14em; }
.footer-links a { color: var(--paper-dim); font-size: 12px; border-bottom: 1px solid transparent; }
.footer-links a:hover { color: var(--paper); border-color: var(--paper-ghost); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding: 15px 0 24px; border-top: 1px solid var(--line-soft); color: var(--paper-ghost); font: 8.5px var(--mono); letter-spacing: 0.1em; }

.lightbox { position: fixed; inset: 0; width: 100vw; max-width: none; height: 100svh; max-height: none; margin: 0; padding: 44px 66px 35px; border: 0; background: rgba(3, 19, 51, 0.98); color: var(--paper); }
.lightbox::backdrop { background: rgba(0, 0, 0, 0.92); }
.lightbox[open] { display: grid; grid-template-rows: minmax(0, 1fr) auto; gap: 14px; }
.lightbox-stage { display: grid; place-items: center; min-height: 0; }
.lightbox-stage img, .lightbox-stage video { max-width: 100%; max-height: calc(100svh - 140px); object-fit: contain; box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5); }
.lightbox-close { position: absolute; z-index: 3; top: 20px; right: 24px; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--paper); font: 300 24px/1 var(--sans); cursor: pointer; }
.lightbox-nav { position: absolute; z-index: 3; top: 50%; width: 44px; height: 44px; transform: translateY(-50%); border: 1px solid var(--line); border-radius: 50%; background: rgba(5, 33, 82, 0.62); color: var(--paper); cursor: pointer; backdrop-filter: blur(8px); }
.lightbox-prev { left: 18px; }
.lightbox-next { right: 18px; }
.lightbox-meta { display: flex; justify-content: space-between; gap: 20px; color: var(--paper-dim); font: 10px var(--mono); letter-spacing: 0.1em; }
.lightbox-meta span { color: var(--ember); }

.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.js .reveal.in { opacity: 1; transform: translateY(0); }
.js .delay-1 { transition-delay: 0.08s; }
.js .delay-2 { transition-delay: 0.16s; }
.js .delay-3 { transition-delay: 0.24s; }

@keyframes grain { 0% { transform: translate(0, 0); } 25% { transform: translate(3%, -2%); } 50% { transform: translate(-2%, 3%); } 75% { transform: translate(2%, 2%); } 100% { transform: translate(-3%, -1%); } }
@keyframes pulse { 50% { box-shadow: 0 0 0 9px rgba(58, 143, 240, 0); } }
@keyframes blink { 50% { opacity: 0.2; } }
@keyframes cue { 50% { transform: translateY(7px); opacity: 0.45; } }
@keyframes kenburns { from { transform: scale(1.02); } to { transform: scale(1.085); } }

@media (max-width: 1120px) {
  :root { --shell: min(100% - 56px, 1180px); }
  .hero-copy { max-width: 920px; }
  .cover-collage { left: 34%; }
  .hero h1 { font-size: clamp(29px, 4.2vw, 48px); }
  .cover-team-details { margin-left: 52px; }
  .hero-actions { margin-left: 52px; }
  .chapter-grid, .chapter-grid-flip { gap: 65px; }
  .floating-card-br { right: -3%; }
  .floating-card-tl { left: -3%; }
  .method-steps { grid-template-columns: repeat(3, 1fr); }
  .method-steps li:nth-child(3) { border-right: 0; }
  .method-steps li { border-bottom: 1px solid rgba(10, 43, 97, 0.18); }
  .method-steps li:nth-child(n + 4) { border-bottom: 0; }
}

@media (max-width: 900px) {
  section[id] { scroll-margin-top: 64px; }
  .site-header { height: 64px; grid-template-columns: 1fr auto; padding: 0 24px; }
  .primary-nav, .header-meta { display: none; }
  .menu-toggle { display: grid; gap: 6px; width: 38px; height: 38px; place-content: center; justify-self: end; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; }
  .menu-toggle span { display: block; width: 15px; height: 1px; background: var(--paper); transition: transform 0.25s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .mobile-nav { position: fixed; z-index: 99; inset: 64px 0 auto 0; padding: 15px 24px 22px; background: rgba(5, 27, 70, 0.98); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
  .mobile-nav.open { display: grid; }
  .mobile-nav a { padding: 13px 0; border-bottom: 1px solid var(--line-soft); color: var(--paper-dim); font: 12px var(--mono); letter-spacing: 0.1em; }
  .hero-grid { padding-top: 88px; }
  .cover-brandline { transform: scale(0.9); transform-origin: left top; }
  .cover-collage { left: 25%; opacity: 0.88; }
  .cover-wash { background: linear-gradient(90deg, #082d72 0%, rgba(8, 45, 114, 0.98) 38%, rgba(8, 45, 114, 0.5) 78%, rgba(5, 33, 84, 0.72) 100%), linear-gradient(0deg, rgba(4, 27, 73, 0.92), transparent 58%); }
  .hero-copy { max-width: 780px; }
  .hero-chapters { display: none; }
  .question-grid { grid-template-columns: 1fr; }
  .chapter { min-height: auto; }
  .chapter-grid, .chapter-grid-flip { grid-template-columns: 1fr; }
  .chapter-grid-flip .chapter-visual { order: 2; }
  .image-stage img, .visual-path .image-stage img { min-height: 560px; }
  .landscape-head { grid-template-columns: 1fr; }
  .product-gallery { grid-template-columns: 1fr 1fr; }
  .product-gallery .product-main { min-height: 620px; }
  .product-gallery figure:nth-child(4) { grid-column: span 1; }
  .landscape-insights { grid-template-columns: 1fr; }
  .landscape-insights article, .landscape-insights article + article { padding: 20px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .method-quote { margin-left: 0; }
  .route-grid { grid-template-columns: 1fr; }
  .route-axis { flex-direction: row; height: 44px; }
  .route-axis span { height: 1px; width: auto; }
  .route-axis i { writing-mode: horizontal-tb; }
  .motion-grid { grid-template-columns: 1fr 1fr; }
  .motion-grid .motion-feature { grid-column: span 2; grid-row: auto; }
  .motion-feature video { min-height: 0; height: auto; }
  .archive-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1.2fr 1fr 1fr; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 38px); }
  body { font-size: 15px; }
  .section { padding: 82px 0; }
  .hero { min-height: 920px; }
  .hero-grid { min-height: 920px; padding: 82px 0 26px; }
  .cover-collage { inset: 0 -20% 43% 16%; clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%); opacity: 0.78; }
  .cover-wash { background: linear-gradient(0deg, #082d72 0%, rgba(8, 45, 114, 0.99) 54%, rgba(8, 45, 114, 0.45) 100%), linear-gradient(90deg, #082d72, rgba(8, 45, 114, 0.25)); }
  .cover-photo-a { height: 42%; }
  .cover-photo-b { height: 38%; }
  .cover-photo-c, .cover-photo-d { top: 34%; height: 42%; }
  .cover-photo-e, .cover-photo-f, .cover-photo-g { display: none; }
  .cover-brandline { gap: 10px; transform: none; }
  .cover-emblem { width: 48px; height: 48px; }
  .cover-emblem span { font-size: 13px; }
  .cover-brandline strong { font-size: 18px; }
  .cover-brandline p span { margin-top: 4px; font-size: 10px; letter-spacing: 0.05em; }
  .hero-copy { align-self: end; padding: 0 0 43px; }
  .hero-copy .rec { display: none; }
  .hero-calligraphy { margin: 0 0 12px; font-size: clamp(41px, 11.7vw, 52px); line-height: 1.08; letter-spacing: -0.12em; white-space: nowrap; }
  .hero h1 { font-size: clamp(28px, 8.1vw, 39px); line-height: 1.34; letter-spacing: -0.045em; }
  .hero h1 br { display: none; }
  .hero-subtitle { width: auto; max-width: 335px; margin-top: 17px; padding-left: 14px; border-left: 2px solid #bcdcff; font-size: 14px; line-height: 1.65; text-wrap: balance; }
  .hero-subtitle::before { display: none; }
  .cover-team-details { width: 100%; gap: 2px; margin: 20px 0 0; padding-top: 15px; border-top: 1px solid rgba(220, 235, 255, 0.18); }
  .cover-team-details div { grid-template-columns: 70px 1fr; gap: 9px; }
  .cover-team-details dt { font-size: 10px; }
  .cover-team-details dd { font-size: 12px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 15px; margin: 20px 0 0; }
  .hero-footer { align-items: flex-start; }
  .hero-caption p { max-width: 27ch; line-height: 1.5; }
  .scroll-cue { display: none; }
  .section-head { grid-template-columns: 1fr; gap: 13px; }
  .section-head h2 { font-size: clamp(41px, 13vw, 64px); }
  .section-head h2::after { display: none; }
  .question-statement blockquote { font-size: clamp(31px, 9vw, 46px); }
  .four-new-grid { grid-template-columns: 1fr; }
  .four-new-grid a { min-height: 148px; }
  .chapter { padding: 92px 0 116px; }
  .chapter-copy h2, .landscape-head h2 { font-size: clamp(52px, 17vw, 76px); }
  .chapter-definition { font-size: 18px; }
  .chapter-lede { font-size: 20px; }
  .evidence-stack article { grid-template-columns: 76px 1fr; }
  .image-stage img, .visual-path .image-stage img { min-height: 460px; }
  .floating-card { width: 48%; }
  .floating-card-br { right: -1%; bottom: -8%; }
  .floating-card-tl { left: -1%; top: -6%; }
  .chain-map > b { padding: 0 4px; }
  .chapter-insight { grid-template-columns: 1fr; }
  .product-gallery { grid-template-columns: 1fr; grid-template-rows: auto; }
  .product-gallery .product-main { grid-row: auto; min-height: 600px; }
  .product-gallery figure { min-height: 280px; }
  .product-gallery figure:nth-child(4) { grid-column: auto; }
  .product-gallery figcaption i { display: none; }
  .outcomes { grid-template-columns: 1fr; }
  .method-quote { grid-template-columns: 1fr; gap: 16px; }
  .method-quote p { font-size: 27px; }
  .method-steps { grid-template-columns: 1fr; }
  .method-steps li, .method-steps li:nth-child(3), .method-steps li:nth-child(n + 4) { min-height: auto; padding: 20px 0; border-right: 0; border-bottom: 1px solid rgba(10,43,97,.18); }
  .method-steps strong { margin: 24px 0 8px; }
  .city-card { min-height: 520px; padding: 27px; }
  .city-status { left: 27px; }
  .route-photo { aspect-ratio: 4 / 3; margin-top: 60px; }
  .route-photo figcaption { flex-direction: column; gap: 2px; }
  .motion-grid { grid-template-columns: 1fr; }
  .motion-grid .motion-feature { grid-column: auto; }
  .archive-toolbar { align-items: flex-start; flex-direction: column; }
  .archive-toolbar > p { white-space: normal; }
  .archive-grid { grid-template-columns: 1fr 1fr; }
  .archive-card:nth-child(7n + 1), .archive-card:nth-child(11n + 4) { grid-column: span 2; }
  .closing { min-height: 740px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-top > div:first-child { grid-column: span 2; }
  .footer-bottom { flex-direction: column; gap: 7px; }
  .lightbox { padding: 60px 18px 24px; }
  .lightbox-nav { top: auto; bottom: 24px; }
  .lightbox-prev { left: 18px; }
  .lightbox-next { right: 18px; }
  .lightbox-meta { padding: 0 54px; text-align: center; align-items: center; flex-direction: column; gap: 3px; }
}

@media (max-width: 420px) {
  .archive-grid { grid-template-columns: 1fr; }
  .archive-card:nth-child(7n + 1), .archive-card:nth-child(11n + 4) { grid-column: auto; aspect-ratio: 4 / 3; }
  .hero-caption strong { font-size: 21px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-top > div:first-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .cover-photo { transform: none; }
}