:root {
  --ink: #0a1625;
  --ink-soft: #111f30;
  --paper: #f4f6f3;
  --white: #ffffff;
  --line: #d9e0df;
  --muted: #647078;
  --muted-dark: #9aabb9;
  --accent: #b9f46a;
  --accent-deep: #2e6b3c;
  --cyan: #80d9e8;
  --blue: #2e6df6;
  --orange: #f4b183;
  --radius: 20px;
  --shadow: 0 24px 80px rgba(5, 17, 29, .12);
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body.nav-open, body.search-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
img, svg { display: block; max-width: 100%; }
p, h1, h2, h3, h4 { margin-top: 0; }
p:last-child { margin-bottom: 0; }
::selection { background: var(--accent); color: var(--ink); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }

.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; padding: 10px 18px; background: var(--accent); color: var(--ink); border-radius: 8px; }
.skip-link:focus { top: 16px; }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 48px), 820px); margin-inline: auto; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-dark { color: var(--white); background: var(--ink); }
.section-white { background: var(--white); }
.section-tint { background: #eaf0ed; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 40px; }
.section-head > div:first-child { max-width: 740px; }
.section-title { margin-bottom: 12px; font-size: clamp(30px, 4vw, 46px); line-height: 1.18; letter-spacing: -.045em; }
.section-desc { max-width: 650px; margin-bottom: 0; color: var(--muted); font-size: 17px; }
.section-dark .section-desc { color: var(--muted-dark); }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 18px; color: var(--accent-deep); font-size: 12px; line-height: 1.3; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 18px; height: 2px; background: currentColor; }
.section-dark .eyebrow, .hero .eyebrow { color: var(--accent); }
.mono { font-family: "SFMono-Regular", Consolas, monospace; }
.text-muted { color: var(--muted); }
.text-accent { color: var(--accent-deep); }
.small { font-size: 14px; }

.site-header { position: sticky; top: 0; z-index: 100; height: 76px; border-bottom: 1px solid rgba(255,255,255,.1); background: rgba(10, 22, 37, .94); color: var(--white); backdrop-filter: blur(18px); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark { position: relative; display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(185,244,106,.45); border-radius: 11px; color: var(--accent); font-weight: 800; font-size: 12px; letter-spacing: -.04em; }
.brand-mark::after { content: ""; position: absolute; width: 6px; height: 6px; right: -3px; top: -3px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--ink); }
.brand-copy { display: grid; line-height: 1.2; }
.brand-copy strong { font-size: 16px; letter-spacing: .04em; }
.brand-copy small { margin-top: 4px; color: var(--muted-dark); font-size: 9px; letter-spacing: .14em; }
.main-nav { display: flex; align-items: center; gap: 18px; margin-left: auto; }
.main-nav a { position: relative; color: #c4d0d9; font-size: 14px; white-space: nowrap; transition: color .2s; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--white); }
.main-nav a[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -25px; height: 2px; background: var(--accent); }
.header-actions { display: flex; gap: 10px; }
.icon-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-width: 40px; height: 40px; padding: 0 12px; border: 1px solid #334353; border-radius: 10px; background: transparent; color: #d7e0e7; cursor: pointer; }
.icon-button:hover { border-color: #6f8292; background: #142537; }
.icon-button svg { width: 18px; height: 18px; }
.search-label { font-size: 12px; }
.menu-button { display: none; }

.hero { position: relative; overflow: hidden; padding: 88px 0 72px; color: var(--white); background: var(--ink); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .35; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to right, black, transparent 85%); }
.hero::after { content: ""; position: absolute; width: 650px; height: 650px; right: -240px; top: -280px; border-radius: 50%; background: rgba(75, 137, 138, .15); filter: blur(1px); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 72px; }
.hero h1 { max-width: 680px; margin-bottom: 24px; font-size: clamp(48px, 6vw, 76px); line-height: 1.08; letter-spacing: -.06em; font-weight: 720; }
.hero h1 span { color: var(--accent); }
.hero-lead { max-width: 590px; margin-bottom: 32px; color: #b6c4cf; font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 12px 21px; border: 1px solid transparent; border-radius: 10px; font-weight: 650; font-size: 14px; cursor: pointer; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--accent); color: var(--ink); }
.button-primary:hover { background: #ccff87; }
.button-ghost { border-color: #405162; color: var(--white); background: transparent; }
.button-ghost:hover { background: #142537; }
.button-dark { background: var(--ink); color: var(--white); }
.button-outline { border-color: #bdc8c7; background: transparent; color: var(--ink); }
.button-outline:hover { background: var(--white); }
.button svg { width: 17px; height: 17px; }
.hero-note { display: flex; align-items: center; gap: 10px; margin-top: 24px; color: #8093a3; font-size: 12px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px rgba(185,244,106,.08); }

.field-map { position: relative; min-height: 470px; padding: 24px; border: 1px solid #2b3d4d; border-radius: 24px; background: rgba(16, 32, 48, .88); box-shadow: 0 40px 90px rgba(0,0,0,.2); }
.field-map-top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 18px; border-bottom: 1px solid #293c4d; color: #8fa1af; font-size: 10px; letter-spacing: .12em; }
.field-map-top span:last-child { color: var(--accent); }
.map-canvas { position: relative; height: 330px; margin-top: 12px; }
.map-lines { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .7; }
.map-node { position: absolute; width: 126px; padding: 13px 14px; border: 1px solid #3c5265; border-radius: 12px; background: #14283b; box-shadow: 0 10px 30px rgba(0,0,0,.15); }
.map-node small { display: block; margin-bottom: 4px; color: #879dad; font-size: 9px; letter-spacing: .1em; }
.map-node strong { display: block; color: #edf4f7; font-size: 14px; }
.map-node span { color: #94a9b8; font-size: 11px; }
.node-a { left: 0; top: 18px; }
.node-b { right: 0; top: 48px; }
.node-c { left: 4px; bottom: 28px; }
.node-d { right: 0; bottom: 4px; }
.map-core { position: absolute; left: 50%; top: 50%; display: grid; place-items: center; width: 128px; height: 128px; transform: translate(-50%,-50%); border: 1px solid rgba(185,244,106,.55); border-radius: 50%; background: #1c342f; box-shadow: 0 0 0 16px rgba(185,244,106,.035), 0 0 0 34px rgba(185,244,106,.02); text-align: center; }
.map-core strong { color: var(--accent); font-size: 30px; line-height: 1; letter-spacing: -.05em; }
.map-core span { margin-top: -24px; color: #b5c6bd; font-size: 10px; letter-spacing: .12em; }
.map-caption { display: flex; justify-content: space-between; gap: 12px; padding-top: 16px; border-top: 1px solid #293c4d; color: #91a4b2; font-size: 11px; }
.map-caption strong { color: #e8f0f3; font-weight: 500; }

.signal-bar { border-top: 1px solid #263849; color: #b5c3cd; background: var(--ink); }
.signal-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.signal-item { padding: 26px 28px; border-left: 1px solid #263849; }
.signal-item:last-child { border-right: 1px solid #263849; }
.signal-item strong { display: block; margin-bottom: 4px; color: var(--white); font-size: 18px; font-weight: 600; }
.signal-item span { font-size: 12px; }

.card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.knowledge-grid .card:last-child { grid-column: 1/-1; display: grid; grid-template-columns: 72px minmax(0,1fr) auto; grid-template-rows: auto auto; column-gap: 30px; align-items: center; padding: 30px 36px; border-color: #cbdacb; background: linear-gradient(105deg,#fff 0%,#fff 58%,#edf5e6 100%); }
.knowledge-grid .card:last-child .card-number { grid-column: 1; grid-row: 1; margin: 0; }
.knowledge-grid .card:last-child .card-icon { grid-column: 1; grid-row: 2; margin: 12px 0 0; }
.knowledge-grid .card:last-child h3 { grid-column: 2; grid-row: 1; margin: 0 0 8px; }
.knowledge-grid .card:last-child p { grid-column: 2; grid-row: 2; max-width: 720px; margin: 0; }
.knowledge-grid .card:last-child .card-link { grid-column: 3; grid-row: 1/3; margin: 0; white-space: nowrap; }
.card { position: relative; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: transform .25s, box-shadow .25s, border-color .25s; }
a.card:hover { transform: translateY(-5px); border-color: #a6b6b1; box-shadow: var(--shadow); }
.card-number { display: block; margin-bottom: 34px; color: #83908e; font-size: 11px; font-family: monospace; }
.card-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 28px; border-radius: 12px; background: #edf5e6; color: var(--accent-deep); }
.card-icon svg { width: 21px; height: 21px; }
.card h3 { margin-bottom: 12px; font-size: 21px; line-height: 1.35; letter-spacing: -.025em; }
.card p { color: var(--muted); font-size: 14px; }
.card-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--accent-deep); font-size: 13px; font-weight: 650; }
.card-link::after { content: "↗"; }
.card-dark { border-color: #283c4d; background: var(--ink-soft); }
.card-dark h3 { color: var(--white); }
.card-dark p { color: var(--muted-dark); }
.card-dark .card-link { color: var(--accent); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split h2 { margin-bottom: 20px; font-size: clamp(32px,4vw,48px); line-height: 1.2; letter-spacing: -.045em; }
.split p { color: var(--muted); }
.quote-block { padding: 38px; border-left: 3px solid var(--accent-deep); background: var(--white); }
.section-dark .split > div > p { color: #b0bfcb; }
.section-dark .quote-block { color: var(--ink); }
.quote-block blockquote { margin: 0 0 20px; font-size: 24px; line-height: 1.55; letter-spacing: -.03em; }
.quote-block cite { color: var(--muted); font-size: 12px; font-style: normal; }

.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; counter-reset: steps; }
.step { position: relative; padding: 0 26px; border-left: 1px solid var(--line); counter-increment: steps; }
.step:first-child { padding-left: 0; border-left: 0; }
.step::before { content: "0" counter(steps); display: block; margin-bottom: 32px; color: var(--accent-deep); font-family: monospace; font-size: 12px; }
.step h3 { margin-bottom: 12px; font-size: 19px; }
.step p { color: var(--muted); font-size: 13px; }
.step-tag { display: inline-block; padding: 3px 9px; border-radius: 20px; background: #e5eee0; color: var(--accent-deep); font-size: 10px; }

.audience-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.audience-card { padding: 36px; border-radius: var(--radius); background: var(--white); }
.audience-card h3 { font-size: 25px; }
.check-list { display: grid; gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 25px; color: var(--muted); font-size: 14px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-deep); font-weight: 800; }
.section-dark .check-list li { color: #b1c0ca; }
.section-dark .check-list li::before { color: var(--accent); }

.page-hero { position: relative; overflow: hidden; padding: 76px 0 68px; color: var(--white); background: var(--ink); }
.page-hero::after { content: ""; position: absolute; right: -100px; top: -220px; width: 560px; height: 560px; border: 1px solid #294030; border-radius: 50%; box-shadow: 0 0 0 70px rgba(185,244,106,.02), 0 0 0 140px rgba(185,244,106,.015); }
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; gap: 9px; margin-bottom: 32px; color: #8195a5; font-size: 12px; }
.breadcrumb a:hover { color: var(--white); }
.page-hero h1 { max-width: 850px; margin-bottom: 20px; font-size: clamp(40px,5.4vw,64px); line-height: 1.12; letter-spacing: -.05em; }
.page-hero p { max-width: 750px; margin-bottom: 0; color: #b0bfcb; font-size: 17px; }
.page-meta { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 30px; color: #8195a5; font-size: 11px; }
.page-meta span { display: inline-flex; align-items: center; gap: 7px; }
.page-meta span::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }

.content-layout { display: grid; grid-template-columns: 210px minmax(0,1fr); gap: 70px; }
.toc { position: sticky; top: 110px; align-self: start; }
.toc strong { display: block; margin-bottom: 16px; font-size: 12px; letter-spacing: .08em; }
.toc a { display: block; padding: 7px 0 7px 14px; border-left: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.toc a:hover { border-color: var(--accent-deep); color: var(--ink); }
.article { min-width: 0; }
.article-section { margin-bottom: 72px; }
.article-section:last-child { margin-bottom: 0; }
.article h2 { margin-bottom: 22px; font-size: 32px; line-height: 1.3; letter-spacing: -.035em; }
.article h3 { margin: 30px 0 12px; font-size: 20px; line-height: 1.4; }
.article p { color: #46545c; font-size: 17px; }
.article ul:not(.check-list) { padding-left: 20px; color: #4f5d64; }
.article li { margin-bottom: 8px; }
.article a:not(.button):not(.card) { color: #235cab; text-decoration: underline; text-underline-offset: 3px; }
.lead-paragraph { font-size: 20px; line-height: 1.8; color: var(--ink) !important; letter-spacing: -.015em; }
.callout { margin: 26px 0; padding: 24px 26px; border: 1px solid #d6e2ce; border-radius: 14px; background: #edf4e8; }
.callout strong { display: block; margin-bottom: 6px; }
.callout p { margin: 0; font-size: 14px; }
.callout-warning { border-color: #ead6c3; background: #fbf1e9; }

.timeline { position: relative; margin-left: 8px; padding-left: 36px; }
.timeline::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 1px; background: #bcc9c4; }
.timeline-item { position: relative; padding-bottom: 38px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { content: ""; position: absolute; left: -41px; top: 7px; width: 9px; height: 9px; border: 2px solid var(--paper); border-radius: 50%; background: var(--accent-deep); box-shadow: 0 0 0 1px var(--accent-deep); }
.timeline-date { display: block; margin-bottom: 5px; color: var(--accent-deep); font-family: monospace; font-size: 12px; font-weight: 700; }
.timeline-item h3 { margin: 0 0 8px; }
.timeline-item p { margin-bottom: 0; font-size: 14px; }

.comparison { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.comparison-col { padding: 30px; background: var(--white); }
.comparison-col + .comparison-col { border-left: 1px solid var(--line); background: #edf3e9; }
.comparison-col h3 { margin-top: 0; }
.comparison-col ul { margin-bottom: 0; padding-left: 18px; }
.comparison-col li { font-size: 14px; }

.role-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.role-card { padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.role-card h3 { margin-top: 0; }
.role-card p { margin: 0; font-size: 14px; }
.role-card .tag { margin-bottom: 18px; }
.tag { display: inline-flex; padding: 4px 9px; border: 1px solid #d4dfd0; border-radius: 30px; color: var(--accent-deep); background: #f0f5eb; font-size: 10px; font-weight: 700; letter-spacing: .05em; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 16px 18px; border-bottom: 1px solid #e7ebea; text-align: left; vertical-align: top; }
th { color: #53615e; background: #eef2ef; font-size: 11px; letter-spacing: .05em; }
tr:last-child td { border-bottom: 0; }
td { color: #56636a; }

.filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 32px; }
.filter-button { padding: 8px 16px; border: 1px solid #cfd8d5; border-radius: 40px; background: transparent; color: var(--muted); font-size: 12px; cursor: pointer; }
.filter-button:hover, .filter-button.active { border-color: var(--ink); color: var(--white); background: var(--ink); }
.filter-count { margin-left: auto; color: var(--muted); font-size: 12px; }
.case-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.case-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.case-card[hidden] { display: none; }
.case-visual { position: relative; min-height: 170px; padding: 26px; overflow: hidden; color: var(--white); background: #142a3c; }
.case-visual::after { content: ""; position: absolute; right: -45px; bottom: -80px; width: 210px; height: 210px; border: 1px solid rgba(255,255,255,.17); border-radius: 50%; box-shadow: 0 0 0 35px rgba(255,255,255,.025), 0 0 0 70px rgba(255,255,255,.02); }
.case-visual.green { background: #244539; }
.case-visual.blue { background: #233d67; }
.case-visual.orange { background: #684835; }
.case-visual.purple { background: #443956; }
.case-logo { position: relative; z-index: 1; font-size: 22px; font-weight: 700; letter-spacing: -.03em; }
.case-sector { position: relative; z-index: 1; display: block; margin-top: 58px; color: rgba(255,255,255,.67); font-size: 10px; letter-spacing: .12em; }
.case-body { padding: 26px; }
.case-labels { display: flex; gap: 8px; margin-bottom: 15px; }
.case-body h2 { margin-bottom: 12px; font-size: 23px; line-height: 1.35; letter-spacing: -.025em; }
.case-body > p { min-height: 72px; color: var(--muted); font-size: 14px; }
.case-facts { margin: 20px 0; padding: 16px 0; border-top: 1px solid #e4e9e7; border-bottom: 1px solid #e4e9e7; }
.case-facts strong { display: block; margin-bottom: 4px; font-size: 12px; }
.case-facts span { color: var(--muted); font-size: 12px; }
.case-card details { margin-top: 16px; }
.case-card summary { color: var(--accent-deep); font-size: 13px; font-weight: 700; cursor: pointer; }
.case-card details p, .case-card details li { color: var(--muted); font-size: 13px; }
.case-card details a { color: #235cab; text-underline-offset: 3px; }

.trend-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.trend-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.trend-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.trend-index { color: var(--accent-deep); font-family: monospace; font-size: 12px; }
.trend-horizon { color: var(--muted); font-size: 10px; }
.trend-card h3 { font-size: 22px; }
.trend-card p { color: var(--muted); font-size: 14px; }
.trend-signal { padding-top: 16px; border-top: 1px solid var(--line); font-size: 12px; }
.trend-signal strong { color: var(--accent-deep); }

.calculator { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; border-radius: 22px; background: var(--white); box-shadow: var(--shadow); }
.calculator-form { padding: 36px; }
.calculator-form h3 { font-size: 25px; }
.form-field { margin-top: 22px; }
.form-field label { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 12px; font-weight: 650; }
.form-field input, .form-field select { width: 100%; height: 44px; padding: 0 12px; border: 1px solid #ccd6d2; border-radius: 8px; background: #fafcfa; color: var(--ink); }
.form-field input[aria-invalid="true"] { border-color: #b44336; background: #fff5f2; }
.form-error { min-height: 20px; margin: 5px 0 0; color: #a5372c !important; font-size: 13px !important; line-height: 1.5; }
.calculator-result { display: flex; flex-direction: column; justify-content: center; padding: 36px; color: var(--white); background: var(--ink-soft); }
.calculator-result small { color: var(--muted-dark); }
.result-value { margin: 8px 0 16px; color: var(--accent); font-size: clamp(38px,5vw,58px); font-weight: 700; line-height: 1.1; letter-spacing: -.05em; }
.result-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding-top: 22px; border-top: 1px solid #354757; }
.result-detail strong { display: block; font-size: 18px; }
.result-detail span { color: var(--muted-dark); font-size: 11px; }
.result-note { margin-top: 24px; color: #7f93a2; font-size: 10px; }

.tool-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.tool-card { display: flex; flex-direction: column; min-height: 260px; padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.tool-card h3 { margin: 20px 0 10px; font-size: 19px; }
.tool-card p { color: var(--muted); font-size: 13px; }
.tool-card .card-link { margin-top: auto; }
.tool-download { border: 0; background: none; cursor: pointer; padding: 0; text-align: left; }
.template-card { min-height: 430px; }
.template-preview { margin: 18px 0; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: #fafcfa; }
.preview-row { display: grid; grid-template-columns: 1fr 1.4fr 1fr; min-height: 30px; border-bottom: 1px solid #e5eae7; }
.preview-row:last-child { border-bottom: 0; }
.preview-row span { padding: 6px 8px; border-right: 1px solid #e5eae7; color: var(--muted); font-size: 11px; }
.preview-row span:last-child { border-right: 0; }
.preview-row:first-child { background: var(--ink); }
.preview-row:first-child span { color: var(--white); }
.template-meta { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 14px 0; color: var(--muted); font-size: 13px; }
.template-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: auto; }
.template-actions .button { min-height: 42px; padding: 9px 16px; }
.format-link { color: #235cab; font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }

.maturity { display: grid; gap: 12px; }
.maturity-level { display: grid; grid-template-columns: 110px 170px 1fr; gap: 20px; align-items: center; padding: 20px 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
.maturity-level strong:first-child { color: var(--accent-deep); font-family: monospace; font-size: 12px; }
.maturity-level span { color: var(--muted); font-size: 13px; }

.source-list { margin: 0; padding: 0; list-style: none; counter-reset: sources; }
.source-list li { display: grid; grid-template-columns: 36px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--line); counter-increment: sources; }
.source-list li::before { content: counter(sources, decimal-leading-zero); color: var(--accent-deep); font-family: monospace; font-size: 11px; }
.source-list a { font-size: 13px; }
.source-list span { display: block; color: var(--muted); font-size: 11px; }

.cta { padding: 64px 0; color: var(--white); background: #17372e; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.cta h2 { margin-bottom: 10px; font-size: clamp(28px,4vw,42px); letter-spacing: -.04em; }
.cta p { color: #a8c0b5; }
.site-footer { padding: 50px 0 26px; color: #a5b5c1; background: #07111d; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 44px; padding-bottom: 40px; }
.footer-brand p { max-width: 300px; margin-top: 20px; font-size: 12px; }
.footer-col strong { display: block; margin-bottom: 16px; color: var(--white); font-size: 12px; }
.footer-col a { display: block; margin: 9px 0; font-size: 12px; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 24px; border-top: 1px solid #203140; font-size: 10px; }

.search-modal { position: fixed; inset: 0; z-index: 500; display: none; padding: 10vh 24px 24px; background: rgba(3,10,17,.78); backdrop-filter: blur(8px); }
.search-modal.open { display: block; }
.search-panel { width: min(100%,680px); max-height: 75vh; margin: 0 auto; overflow: hidden; border: 1px solid #d3dcd8; border-radius: 18px; background: var(--paper); box-shadow: 0 30px 100px rgba(0,0,0,.35); }
.search-input-wrap { display: flex; align-items: center; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--line); background: var(--white); }
.search-input-wrap svg { width: 20px; color: var(--muted); }
.search-input-wrap input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font-size: 17px; }
.search-close { border: 0; background: transparent; color: var(--muted); cursor: pointer; }
.search-results { max-height: 55vh; overflow-y: auto; padding: 12px; }
.search-empty { padding: 36px 20px; color: var(--muted); text-align: center; font-size: 13px; }
.search-result { display: block; padding: 16px; border-radius: 10px; }
.search-result:hover { background: var(--white); }
.search-result small { color: var(--accent-deep); font-size: 10px; }
.search-result strong { display: block; margin: 3px 0; font-size: 15px; }
.search-result p { color: var(--muted); font-size: 12px; }

.next-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding-top: 34px; border-top: 1px solid var(--line); }

.method-northstar { margin: 32px 0; padding: 30px; border-radius: 16px; background: var(--ink); color: var(--white); }
.method-northstar > span { display: block; margin-bottom: 10px; color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.method-northstar strong { display: block; max-width: 700px; font-size: 25px; line-height: 1.45; }
.method-northstar p { margin-top: 12px; color: var(--muted-dark); font-size: 14px; }
.method-tracks { margin-bottom: 24px; }
.method-principles { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.method-principles div { padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
.method-principles strong, .method-principles span { display: block; }
.method-principles strong { margin-bottom: 7px; font-size: 15px; }
.method-principles span { color: var(--muted); font-size: 13px; }
.method-stage { display: grid; grid-template-columns: 58px 1fr; gap: 22px; padding: 30px 0; border-top: 1px solid var(--line); }
.method-stage-index { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: var(--ink); color: var(--accent); font: 700 14px monospace; }
.method-stage h3 { margin-bottom: 10px; }
.method-stage p { color: var(--muted); }
.deliverable, .exit-rule { display: grid; grid-template-columns: 90px 1fr; gap: 12px; padding: 11px 0; border-top: 1px dashed var(--line); font-size: 14px; }
.deliverable strong { color: var(--accent-deep); }
.exit-rule strong { color: #9a5a16; }
.cadence-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 20px; }
.cadence-grid div { padding: 20px; border-radius: 12px; background: #eaf0ed; }
.cadence-grid strong, .cadence-grid span { display: block; }
.cadence-grid span { margin-top: 5px; color: var(--muted); font-size: 13px; }
.artifact-grid { margin: 28px 0 34px; }
.artifact-tree { overflow-x: auto; padding: 22px; border-radius: 12px; background: var(--ink); color: #d8e5dc; font-size: 13px; white-space: nowrap; }
.next-nav a { padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
.next-nav a:last-child { text-align: right; }
.next-nav small { display: block; color: var(--muted); }
.next-nav strong { font-size: 14px; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.card p, .case-body > p, .trend-card p, .tool-card p { font-size: 15px; }
.card-link, .case-card summary { font-size: 14px; }
.step p, .case-facts span, .case-card details p, .case-card details li { font-size: 14px; }
.page-meta, .breadcrumb, .hero-note { font-size: 13px; }

@media (max-width: 1050px) {
  .main-nav { gap: 16px; }
  .main-nav a { font-size: 12px; }
  .search-label { display: none; }
  .hero-grid { gap: 36px; }
  .field-map { transform: scale(.95); transform-origin: center right; }
}

@media (max-width: 820px) {
  .container, .narrow { width: min(calc(100% - 36px), var(--max)); }
  .section { padding: 68px 0; }
  .site-header { height: 68px; }
  .menu-button { display: inline-flex; }
  .main-nav { position: absolute; top: 68px; left: 0; right: 0; height: calc(100vh - 68px); display: none; flex-direction: column; align-items: flex-start; gap: 0; padding: 26px 24px; background: var(--ink); }
  .nav-open .main-nav { display: flex; }
  .main-nav a { width: 100%; padding: 16px 0; border-bottom: 1px solid #293c4d; font-size: 18px; }
  .main-nav a[aria-current="page"]::after { display: none; }
  .hero { padding-top: 64px; }
  .hero-grid, .split { grid-template-columns: 1fr; gap: 46px; }
  .hero h1 { font-size: clamp(43px,11vw,66px); }
  .field-map { transform: none; }
  .signal-grid { grid-template-columns: 1fr 1fr; }
  .signal-item:nth-child(3) { border-top: 1px solid #263849; }
  .signal-item:nth-child(4) { border-top: 1px solid #263849; }
  .card-grid, .tool-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 36px 0; }
  .step:nth-child(3) { padding-left: 0; border-left: 0; }
  .content-layout { grid-template-columns: 1fr; }
  .toc { display: none; }
  .case-grid { grid-template-columns: 1fr; }
  .case-body > p { min-height: auto; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .container, .narrow { width: min(calc(100% - 28px), var(--max)); }
  .brand-copy small { display: none; }
  .header-inner { gap: 10px; }
  .hero { padding: 52px 0 48px; }
  .hero h1 { font-size: 43px; }
  .hero-lead { font-size: 15px; }
  .hero-actions .button { width: 100%; }
  .field-map { min-height: 420px; padding: 18px; }
  .map-canvas { height: 310px; }
  .map-node { width: 104px; padding: 10px; }
  .map-node strong { font-size: 12px; }
  .map-core { width: 100px; height: 100px; }
  .map-caption { flex-direction: column; }
  .signal-item { padding: 20px 14px; }
  .signal-item strong { font-size: 15px; }
  .section-head { align-items: flex-start; flex-direction: column; margin-bottom: 28px; }
  .card-grid, .tool-grid, .audience-grid, .trend-grid, .role-grid { grid-template-columns: 1fr; }
  .method-principles, .cadence-grid { grid-template-columns: 1fr 1fr; }
  .card-number { margin-bottom: 22px; }
  .steps { grid-template-columns: 1fr; gap: 30px; }
  .step, .step:nth-child(3) { padding: 0 0 0 22px; border-left: 1px solid var(--line); }
  .step::before { margin-bottom: 12px; }
  .comparison { grid-template-columns: 1fr; }
  .comparison-col + .comparison-col { border-left: 0; border-top: 1px solid var(--line); }
  .page-hero { padding: 52px 0; }
  .page-hero h1 { font-size: 38px; }
  .page-hero p { font-size: 15px; }
  .article h2 { font-size: 27px; }
  .lead-paragraph { font-size: 18px; }
  .calculator { grid-template-columns: 1fr; }
  .calculator-form, .calculator-result { padding: 26px; }
  .maturity-level { grid-template-columns: 75px 1fr; gap: 8px 14px; }
  .maturity-level span { grid-column: 1/-1; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1/-1; }
  .footer-bottom { flex-direction: column; }
  .next-nav { grid-template-columns: 1fr; }
  .knowledge-grid .card:last-child { display: block; padding: 28px; }
  .knowledge-grid .card:last-child .card-number { margin-bottom: 22px; }
  .knowledge-grid .card:last-child .card-icon { margin: 0 0 28px; }
  .knowledge-grid .card:last-child h3 { margin-bottom: 12px; }
  .knowledge-grid .card:last-child .card-link { margin-top: 18px; }
  .method-stage { grid-template-columns: 42px 1fr; gap: 12px; }
  .method-stage-index { width: 38px; height: 38px; }
  .method-principles, .cadence-grid { grid-template-columns: 1fr; }
  .deliverable, .exit-rule { grid-template-columns: 1fr; gap: 3px; }
  .next-nav a:last-child { text-align: left; }
  .filter-count { width: 100%; margin: 8px 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .site-footer, .cta, .toc, .hero-actions, .filter-bar { display: none !important; }
  .page-hero, .hero { padding: 24px 0; color: var(--ink); background: white; }
  .page-hero p, .hero-lead { color: var(--muted); }
  .section { padding: 30px 0; }
  .content-layout { display: block; }
  .case-card { break-inside: avoid; }
}