/* OffVector: no framework, no font downloads, no third-party assets. */
:root {
  color-scheme: dark;
  --bg: #111410;
  --surface: #171b15;
  --ink: #f0f0e6;
  --muted: #a2ab99;
  --accent: #c2f66a;
  --line: #323a2c;
  --paper: #e9e9de;
  --paper-ink: #222a1c;
  --sans: "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max-width: 1280px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
button, summary { -webkit-tap-highlight-color: transparent; }
button:not(:disabled), summary { cursor: pointer; }
button { border-radius: 0; }
button:disabled { cursor: default; }
svg { display: block; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 500; }
a, button, summary { touch-action: manipulation; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
.container { width: min(var(--max-width), calc(100% - 112px)); margin-inline: auto; }
.mono, .eyebrow { font-family: var(--mono); }
.accent { color: var(--accent); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 16px; left: 16px; padding: 12px 20px; color: var(--bg); background: var(--accent); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(17, 20, 16, .94); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(162, 171, 153, .13); }
.header-inner { display: flex; justify-content: space-between; align-items: center; min-height: 98px; gap: 24px; }
.wordmark { display: inline-flex; align-items: center; gap: 12px; font-size: 28px; font-weight: 650; letter-spacing: -1.35px; line-height: 1; flex-shrink: 0; }
.brand-mark { width: 36px; height: 36px; color: var(--accent); }
.wordmark-dot { color: var(--accent); }
.site-nav { display: flex; align-items: center; gap: 38px; font-size: 13px; }
.site-nav > a { transition: color .2s; }
.site-nav > a:hover { color: var(--accent); }
.nav-contact { border: 1px solid #536043; padding: 11px 16px; display: flex; gap: 24px; align-items: center; }
.nav-contact span { font-size: 19px; line-height: 1; color: var(--accent); }
.menu-toggle { display: none; }
.hero { display: grid; grid-template-columns: 1.07fr 1fr; align-items: center; gap: 52px; padding-top: 74px; padding-bottom: 74px; }
.eyebrow { display: flex; align-items: center; gap: 12px; font-size: 10px; font-weight: 400; letter-spacing: 1.15px; text-transform: uppercase; line-height: 1.7; }
.status-dot { display: block; width: 6px; height: 6px; background: var(--accent); box-shadow: 0 0 0 4px rgba(194, 246, 106, .07); flex-shrink: 0; }
.hero .eyebrow { margin-bottom: 28px; color: #bac3b0; }
h1 { font-size: clamp(76px, 7.65vw, 110px); line-height: .99; letter-spacing: -.073em; }
.heading-arrow { display: inline-block; width: .67em; height: .67em; margin-left: .42em; color: var(--accent); vertical-align: baseline; }
.hero-description { max-width: 445px; margin-top: 30px; font-size: 16px; line-height: 1.8; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 27px; margin-top: 30px; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 32px; padding: 15px 20px; min-height: 52px; font-size: 12px; font-weight: 600; transition: background .2s, transform .2s; }
.button-primary { color: var(--bg); background: var(--accent); border: 1px solid var(--accent); }
.button-primary:hover { background: #d8ff9b; transform: translateY(-2px); }
.button span { font-size: 21px; font-weight: 400; line-height: 1; }
.text-link { display: inline-flex; align-items: center; gap: 16px; font-size: 12px; padding-block: 14px; border-bottom: 1px solid transparent; }
.text-link:hover { border-color: var(--muted); }
.text-link span { color: var(--accent); font-size: 17px; }
.vector-figure { align-self: center; position: relative; width: 100%; margin-top: 22px; }
.figure-topline { display: flex; justify-content: space-between; align-items: center; padding-bottom: 18px; border-bottom: 1px solid var(--line); font-family: var(--mono); color: var(--muted); font-size: 9px; letter-spacing: 1.35px; }
.tiny-cross { color: var(--accent); font-size: 19px; line-height: 10px; }
.vector-canvas { position: relative; margin-inline: -14px; }
.vector-art { width: 100%; height: auto; overflow: visible; }
.contour-lines { opacity: .53; }
.trail-highlight { opacity: .65; }
.is-tracing .research-trail { stroke-dasharray: 1000; animation: trace-line 1.4s ease-in-out both; }
.is-tracing .trail-highlight { animation: trace-highlight 1.4s ease-in-out both; }
@keyframes trace-line { from { stroke-dashoffset: 1000; } to { stroke-dashoffset: 0; } }
@keyframes trace-highlight { 0%, 65% { opacity: 0; } 100% { opacity: .65; } }
.figure-caption { border-top: 1px solid var(--line); padding-top: 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 12px; color: var(--muted); line-height: 1.7; }
.figure-caption strong { font-weight: 400; color: var(--ink); }
.trace-button { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; border: 0; background: transparent; color: var(--muted); font-family: var(--mono); font-size: 9px; padding: 8px 0 8px 12px; }
.trace-button:hover { color: var(--accent); }
.trace-button svg { width: 18px; height: 18px; }
.principles-strip { display: grid; grid-template-columns: repeat(3, 1fr); padding-block: 23px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); gap: 18px; }
.principles-strip p { display: flex; gap: 16px; align-items: center; color: #b5beaa; font-family: var(--mono); font-size: 10px; letter-spacing: .1px; }
.principles-strip p:nth-child(2) { justify-content: center; }
.principles-strip p:nth-child(3) { justify-content: flex-end; }
.strip-cross { color: var(--accent); font-size: 18px; line-height: 1; }
.research-section { padding-block: 110px 112px; }
.section-heading { display: flex; justify-content: space-between; gap: 60px; align-items: flex-end; margin-bottom: 48px; }
.section-index { color: var(--muted); margin-bottom: 24px; }
h2 { font-size: clamp(36px, 3.85vw, 52px); line-height: 1.12; letter-spacing: -.047em; }
.section-intro { max-width: 370px; color: var(--muted); font-size: 14px; line-height: 1.85; padding-bottom: 3px; }
.research-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.research-card { padding: 30px 28px 20px; background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; transition: background .2s, border-color .2s; }
.research-card:hover { border-color: #758856; background: #1b2117; }
.card-topline { display: flex; justify-content: space-between; align-items: center; margin-bottom: 38px; }
.card-topline .mono { color: var(--muted); font-size: 10px; }
.card-topline svg { width: 43px; height: 43px; color: var(--accent); }
h3 { font-size: 28px; line-height: 1.15; letter-spacing: -.8px; }
.research-card > p { color: var(--muted); font-size: 13px; line-height: 1.9; margin-top: 20px; margin-bottom: 32px; }
.card-bottom { margin-top: auto; padding-top: 17px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; font-size: 10px; letter-spacing: .15px; color: #c9d1be; }
.card-bottom > span:last-child { color: var(--accent); font-size: 18px; transition: transform .2s; }
.research-card:hover .card-bottom > span:last-child { transform: translate(2px, -2px); }
.approach-section { background: var(--paper); color: var(--paper-ink); padding-block: 100px; color-scheme: light; }
.approach-section ::selection { background: var(--paper-ink); color: var(--accent); }
.approach-section :focus-visible { outline-color: #465929; }
.approach-layout { display: grid; grid-template-columns: .9fr 1.2fr; gap: 110px; align-items: start; }
.approach-section .section-index { color: #647057; }
.approach-copy > p:not(.eyebrow) { color: #59634f; font-size: 14px; line-height: 1.9; margin-top: 25px; max-width: 340px; }
.approach-note { display: flex; align-items: center; gap: 20px; margin-top: 36px; border-left: 1px solid #bac0aa; padding-left: 20px; }
.approach-note > span { font-size: 40px; line-height: 1; font-weight: 300; }
.approach-note > p { font-family: var(--mono); color: #59634f; font-size: 10px; line-height: 1.8; }
.method-steps { border-top: 1px solid #b7bfaa; }
.method-step { border-bottom: 1px solid #b7bfaa; }
.method-step > summary { display: flex; align-items: center; list-style: none; gap: 22px; padding: 25px 0; }
.method-step > summary::-webkit-details-marker { display: none; }
.step-number { align-self: flex-start; padding-top: 3px; font-family: var(--mono); color: #59634f; font-size: 11px; }
.step-label { flex: 1; }
.step-name { display: block; font-size: 20px; font-weight: 500; line-height: 1.3; letter-spacing: -.55px; }
.step-short { display: block; margin-top: 5px; color: #59634f; font-size: 12px; }
.step-toggle { display: block; position: relative; width: 28px; height: 28px; border: 1px solid #b1baa1; border-radius: 50%; flex-shrink: 0; margin-right: 1px; }
.step-toggle::before, .step-toggle::after { position: absolute; content: ""; background: #58664a; top: 12px; left: 8px; width: 10px; height: 1px; transition: transform .2s; }
.step-toggle::after { transform: rotate(90deg); }
.method-step[open] .step-toggle::after { transform: rotate(0); }
.method-step[open] .step-toggle { background: var(--paper-ink); border-color: var(--paper-ink); }
.method-step[open] .step-toggle::before, .method-step[open] .step-toggle::after { background: var(--paper); }
.step-body { padding: 0 38px 27px; }
.step-body > p { color: #59634f; font-size: 13px; line-height: 1.85; max-width: 480px; }
.step-tags { margin-top: 17px; display: flex; flex-wrap: wrap; gap: 8px; font-family: var(--mono); font-size: 9px; }
.step-tags span { padding: 4px 9px; border: 1px solid #b7bfaa; color: #46523b; }
.contact-section { padding-block: 115px 110px; }
.contact-layout { display: grid; grid-template-columns: 1.08fr 1fr; gap: 74px; align-items: center; }
.contact-copy h2 { font-size: clamp(36px, 3.1vw, 44px); }
.contact-copy > p:not(.eyebrow) { color: var(--muted); font-size: 14px; margin-top: 24px; }
.contact-box { padding-top: 23px; border-top: 1px solid #6f8353; }
.contact-label { font-size: 10px; letter-spacing: 1.2px; color: var(--muted); }
.email-link { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 27px; padding-bottom: 21px; border-bottom: 1px solid var(--line); font-size: clamp(18px, 2vw, 28px); letter-spacing: -.9px; line-height: 1.4; }
.email-link:hover { color: var(--accent); }
.email-link svg { width: 24px; height: 24px; color: var(--accent); flex-shrink: 0; }
.contact-tools { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-top: 5px; }
.contact-tool-hint { font-size: 11px; color: var(--muted); }
.copy-email { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: none; border: 0; padding: 12px 0 12px 12px; min-height: 44px; font-family: var(--mono); font-size: 10px; }
.copy-email svg { width: 16px; height: 16px; color: var(--muted); }
.copy-email:hover, .copy-email.is-copied { color: var(--accent); }
.copy-status { color: var(--accent); font-size: 11px; line-height: 1.8; margin-top: 12px; }
.copy-status:empty { margin: 0; }
.contact-caution { margin-top: 23px; color: var(--muted); font-size: 11px; max-width: 390px; line-height: 1.8; }
.site-footer { border-top: 1px solid var(--line); }
.footer-top { display: flex; align-items: center; gap: 30px; padding-block: 33px; }
.footer-wordmark { font-size: 23px; }
.footer-wordmark .brand-mark { width: 29px; height: 29px; }
.footer-top > p { font-size: 12px; color: var(--muted); }
.back-top { display: flex; gap: 20px; margin-left: auto; align-items: center; font-size: 11px; }
.back-top span { color: var(--accent); font-size: 20px; }
.back-top:hover { color: var(--accent); }
.footer-bottom { padding-block: 19px 25px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; font-family: var(--mono); color: var(--muted); font-size: 9px; line-height: 1.7; }
/* Custom 404. */
.error-main { min-height: calc(100svh - 190px); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding-block: 90px; }
.error-main h1 { font-size: clamp(64px, 9vw, 112px); }
.error-main > p:not(.eyebrow) { margin-block: 30px; color: var(--muted); max-width: 440px; }
.error-footer { padding-block: 20px; color: var(--muted); font-family: var(--mono); font-size: 11px; border-top: 1px solid var(--line); }
@media (min-width: 1500px) { .hero { padding-block: 92px; } }
@media (max-width: 1150px) {
  .container { width: calc(100% - 80px); }
  .hero { gap: 30px; }
  h1 { font-size: clamp(70px, 8vw, 98px); }
  .hero-actions { gap: 18px; }
  .hero-actions .button { gap: 20px; }
  .hero-actions .text-link { gap: 10px; }
  .hero .eyebrow { font-size: 9px; letter-spacing: .7px; }
  .approach-layout { gap: 62px; }
  .contact-layout { gap: 40px; }
}
@media (max-width: 900px) {
  .container { width: calc(100% - 56px); }
  .header-inner { min-height: 82px; }
  .hero { grid-template-columns: 1.05fr 1fr; gap: 22px; padding-block: 56px; }
  h1 { font-size: 73px; }
  .hero-description { font-size: 14px; }
  .hero-actions { gap: 5px 20px; }
  .vector-figure { margin-top: 0; }
  .figure-topline { font-size: 8px; letter-spacing: .6px; }
  .figure-caption { font-size: 11px; }
  .trace-button span { display: none; }
  .principles-strip p { font-size: 8px; gap: 10px; }
  .section-heading { gap: 32px; }
  .section-intro { max-width: 310px; font-size: 13px; }
  .research-section { padding-block: 80px; }
  .research-card { padding: 24px 20px 18px; }
  .card-topline { margin-bottom: 25px; }
  h3 { font-size: 25px; }
  .research-card > p { font-size: 12px; }
  .approach-section { padding-block: 80px; }
  .approach-layout { gap: 40px; grid-template-columns: .9fr 1.2fr; }
  .step-name { font-size: 18px; }
  .method-step > summary { gap: 14px; }
  .step-body { padding-left: 30px; padding-right: 12px; }
  .contact-section { padding-block: 80px; }
  .contact-layout { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-copy h2 { font-size: 34px; }
  .email-link { font-size: 21px; gap: 10px; letter-spacing: -.7px; }
  .email-link svg { width: 19px; height: 19px; }
  .contact-tool-hint { font-size: 9px; }
  .desktop-break { display: none; }
}
@media (max-width: 700px) {
  html { scroll-padding-top: 100px; }
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 76px; flex-wrap: wrap; gap: 0; }
  .wordmark { font-size: 25px; gap: 9px; }
  .brand-mark { width: 32px; height: 32px; }
  .menu-toggle:not([hidden]) { display: flex; gap: 12px; align-items: center; padding: 12px 0 12px 14px; background: none; border: 0; font-family: var(--mono); font-size: 10px; min-height: 44px; }
  .menu-icon { display: block; width: 20px; height: 12px; position: relative; }
  .menu-icon > span { width: 20px; height: 1px; background: var(--ink); position: absolute; left: 0; top: 2px; transition: transform .2s; }
  .menu-icon > span:last-child { top: 9px; }
  .menu-toggle[aria-expanded="true"] .menu-icon > span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon > span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { width: 100%; order: 3; justify-content: flex-start; gap: 24px; padding: 0 0 18px; font-size: 12px; }
  .site-nav .nav-contact { padding: 8px 12px; gap: 12px; }
  .site-header.has-menu .site-nav { display: none; }
  .site-header.has-menu .site-nav.is-open { display: flex; position: fixed; top: 76px; right: 0; left: 0; width: 100%; min-height: 270px; max-height: calc(100dvh - 76px); overflow: auto; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0; background: var(--bg); padding: 16px 20px 26px; border-bottom: 1px solid var(--line); box-shadow: 0 30px 60px rgba(0, 0, 0, .35); }
  .site-header.has-menu .site-nav > a { font-size: 21px; padding: 16px 0; border: 0; border-bottom: 1px solid var(--line); }
  .site-header.has-menu .site-nav .nav-contact { justify-content: space-between; }
  .hero { grid-template-columns: 1fr; gap: 34px; padding-top: 47px; padding-bottom: 42px; }
  .hero .eyebrow { font-size: 9px; margin-bottom: 25px; letter-spacing: .7px; }
  h1 { font-size: clamp(68px, 16vw, 106px); letter-spacing: -.07em; }
  .hero-description { max-width: 430px; margin-top: 25px; font-size: 14px; line-height: 1.85; }
  .hero-actions { gap: 20px; margin-top: 25px; }
  .button { padding-inline: 16px; font-size: 11px; gap: 20px; }
  .text-link { font-size: 11px; gap: 10px; }
  .vector-figure { margin-top: 10px; }
  .figure-topline { font-size: 9px; padding-bottom: 15px; }
  .vector-canvas { margin-block: -9px -14px; margin-inline: auto; max-width: 490px; }
  .figure-caption { padding-top: 17px; }
  .trace-button span { display: inline; }
  .principles-strip { grid-template-columns: 1fr; gap: 12px; padding-block: 22px; }
  .principles-strip p, .principles-strip p:nth-child(n) { justify-content: flex-start; font-size: 10px; gap: 14px; }
  .research-section { padding-block: 68px; }
  .section-heading { display: block; margin-bottom: 30px; }
  .section-index { margin-bottom: 19px; }
  h2 { font-size: clamp(36px, 8.7vw, 46px); }
  .section-intro { max-width: 490px; margin-top: 24px; font-size: 13px; }
  .research-grid { grid-template-columns: 1fr; gap: 12px; }
  .research-card { padding: 22px 24px 18px; }
  .card-topline { margin-bottom: 22px; }
  .card-topline svg { width: 36px; height: 36px; }
  h3 { font-size: 28px; }
  h3 br { display: none; }
  .research-card > p { max-width: 450px; font-size: 13px; margin-block: 17px 23px; }
  .approach-section { padding-block: 66px; }
  .approach-layout { grid-template-columns: 1fr; gap: 35px; }
  .approach-copy > p:not(.eyebrow) { max-width: 470px; font-size: 13px; }
  .approach-note { margin-top: 26px; }
  .method-step > summary { padding-block: 24px; gap: 17px; }
  .step-name { font-size: 19px; }
  .step-short { font-size: 11px; }
  .step-body { padding-left: 31px; padding-right: 18px; }
  .step-body > p { font-size: 12px; }
  .contact-section { padding-block: 68px; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-copy h2 { font-size: clamp(33px, 8.2vw, 44px); }
  .contact-copy > p:not(.eyebrow) { font-size: 13px; }
  .email-link { font-size: clamp(20px, 5.5vw, 29px); letter-spacing: -.7px; }
  .email-link svg { width: 22px; height: 22px; }
  .contact-tool-hint { font-size: 10px; }
  .copy-status { color: var(--accent); font-size: 11px; line-height: 1.8; margin-top: 12px; }
.copy-status:empty { margin: 0; }
.contact-caution { margin-top: 20px; }
  .footer-top { flex-wrap: wrap; padding-block: 27px; gap: 17px; }
  .footer-wordmark { font-size: 23px; }
  .footer-top > p { order: 3; width: 100%; font-size: 11px; }
  .back-top { font-size: 10px; }
  .footer-bottom { flex-direction: column; gap: 7px; padding-block: 20px; font-size: 9px; }
}
@media (max-width: 360px) {
  .hero .eyebrow { font-size: 8px; letter-spacing: .3px; }
  .hero-actions { gap: 8px 20px; }
  .hero-actions .text-link { padding-block: 8px; }
  .step-name { font-size: 17px; }
  .step-short { font-size: 10px; }
  .method-step > summary { gap: 11px; }
  .step-body { padding-left: 25px; padding-right: 4px; }
  h3 { font-size: 26px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .button-primary:hover { transform: none; }
}
@media print {
  :root { --bg: white; --ink: #111; --muted: #444; --accent: #315b00; --line: #bbb; --surface: white; }
  body { font-size: 11pt; }
  .site-header { position: static; background: white; }
  .container { width: 100%; }
  .site-nav, .menu-toggle, .hero-actions, .trace-button, .copy-email, .back-top, .vector-figure { display: none !important; }
  .hero { display: block; padding-block: 35px; }
  h1 { font-size: 58px; }
  .hero h1 br { display: none; }
  .hero h1 br::after { content: " "; }
  h2 { font-size: 28px; }
  .research-section, .contact-section, .approach-section { padding-block: 35px; }
  .research-card { break-inside: avoid; }
  .approach-section { background: white; }
  .approach-layout { gap: 40px; }
  .research-card > p, .step-body > p, .approach-copy > p { color: #333; }
  .footer-top { padding-block: 20px; }
}
