:root {
  --paper: #f4f5f2;
  --paper-bright: #e7e9e6;
  --ink: #171918;
  --muted: #626763;
  --line: rgba(23, 25, 24, .18);
  --oxide: #214e68;
  --oxide-dark: #183d53;
  --oxide-bright: #3b7191;
  --mint: #9eb7c4;
  --silver: #c9cdca;
  --steel: #aeb3af;
  --on-accent: #f7f7f3;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}
::selection { color: var(--on-accent); background: var(--oxide); }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
em { color: var(--oxide); font-style: normal; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  height: 68px;
  background: rgba(244, 245, 242, .88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.wordmark {
  display: flex;
  align-items: center;
  width: 37%;
  padding-left: 3.8vw;
  border-right: 1px solid var(--line);
  font: 700 17px/1 Arial, sans-serif;
  letter-spacing: .025em;
}
.desktop-nav { display: flex; margin-left: auto; }
.desktop-nav a {
  display: grid;
  place-items: center;
  min-width: 122px;
  padding: 0 22px;
  border-left: 1px solid var(--line);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  transition: background .2s, color .2s;
}
.desktop-nav a:hover { color: var(--on-accent); background: var(--oxide); }
.mobile-menu { display: none; }
.mobile-menu summary { list-style: none; cursor: pointer; }
.mobile-menu summary::-webkit-details-marker { display: none; }

.grid-paper {
  background-image:
    linear-gradient(90deg, transparent calc(25% - 1px), rgba(23,25,24,.12) 25%, transparent calc(25% + 1px)),
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(23,25,24,.12) 50%, transparent calc(50% + 1px)),
    linear-gradient(90deg, transparent calc(75% - 1px), rgba(23,25,24,.12) 75%, transparent calc(75% + 1px));
}
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 58% 42%;
  min-height: calc(100vh - 68px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-copy {
  position: relative;
  z-index: 2;
  min-height: 780px;
  padding: 84px 5vw 230px 7.5vw;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.eyebrow i { display: block; width: 28px; height: 2px; background: var(--oxide); }
.hero h1 {
  max-width: 850px;
  margin: 42px 0 30px;
  font: 400 clamp(54px, 5.25vw, 84px)/.98 Georgia, "Times New Roman", serif;
  letter-spacing: -.055em;
}
.hero-description {
  max-width: 610px;
  margin: 0;
  color: var(--muted);
  font: 16px/1.7 Georgia, "Times New Roman", serif;
}
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 38px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  min-height: 54px;
  padding: 0 24px;
  font-size: 13px;
  letter-spacing: .03em;
  transition: background .2s, transform .2s;
}
.button:hover { transform: translateY(-2px); }
.button span, .text-link span { font-size: 18px; }
.primary { color: var(--on-accent); background: var(--oxide); }
.primary:hover { background: var(--oxide-dark); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 6px;
  border-bottom: 1px solid currentColor;
  font-size: 13px;
}
.coordinate {
  position: absolute;
  bottom: 185px;
  left: 7.5vw;
  margin: 0;
  color: var(--muted);
  font: 10px/1.65 monospace;
  letter-spacing: .09em;
}
.hero-visual {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  background: var(--steel);
}
.hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) brightness(.8) contrast(1.14);
  transition: transform 1.2s cubic-bezier(.2,.8,.2,1);
}
.hero-visual:hover img { transform: scale(1.025); }
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(14,28,36,.24), rgba(14,28,36,.02) 48%, rgba(14,28,36,.1));
  mix-blend-mode: multiply;
}
.oxide-cut {
  position: absolute;
  z-index: 2;
  top: -14%;
  left: 7%;
  width: 75px;
  height: 135%;
  transform: skewX(-14deg);
  opacity: .72;
  background: linear-gradient(90deg, #48545a 0%, #f4f7f6 18%, #7f929c 45%, #dce4e5 67%, #3b4a52 100%);
  mix-blend-mode: screen;
  box-shadow: 18px 0 44px rgba(45,50,47,.14), inset 0 0 12px rgba(255,255,255,.8);
}
.cross {
  position: absolute;
  z-index: 4;
  color: #777b78;
  font: 100 42px/1 monospace;
}
.cross-one { top: 52%; left: 6%; }
.cross-two { top: 52%; right: 6%; }
.visual-index {
  position: absolute;
  z-index: 4;
  top: 24px;
  right: 25px;
  color: white;
  font: 9px/1.5 monospace;
  letter-spacing: .12em;
  text-align: right;
}
.principles {
  position: absolute;
  z-index: 8;
  right: 2.5%;
  bottom: 0;
  left: 24%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  height: 168px;
}
.principles article {
  display: flex;
  flex-direction: column;
  padding: 22px 24px;
  color: var(--on-accent);
  border: 1px solid rgba(255,255,255,.68);
  border-bottom: 0;
  border-radius: 14px 14px 0 0;
  background: linear-gradient(145deg, rgba(59,113,145,.88), rgba(33,78,104,.76));
  backdrop-filter: blur(22px) saturate(135%);
  box-shadow: 0 24px 42px rgba(11,13,12,.25), inset 0 1px rgba(255,255,255,.28);
  transition: transform .28s;
}
.principles article:hover { transform: translateY(-8px); }
.principles b { opacity: .6; font: 9px monospace; }
.principles strong { margin: auto 0 6px; font: 400 25px/1 Georgia, serif; letter-spacing: -.02em; }
.principles span { opacity: .72; font-size: 10px; letter-spacing: .07em; text-transform: uppercase; }

.section-pad { padding: 90px 7.5vw; }
.section-label {
  display: flex;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font: 10px monospace;
  letter-spacing: .14em;
}
.section-label.light { color: var(--muted); border-color: var(--line); }
.manifesto { background: var(--paper-bright); }
.manifesto-grid {
  display: grid;
  grid-template-columns: 16% 52% 32%;
  min-height: 620px;
  padding-top: 54px;
}
.manifesto-index {
  margin: 0;
  padding-right: 35px;
  border-right: 1px solid var(--line);
  color: var(--oxide);
  font: 400 150px/.64 Georgia, serif;
}
.manifesto-index span { color: var(--ink); font: 32px monospace; }
.manifesto-copy { padding: 14px 4.5vw; }
.manifesto-copy h2 {
  margin: 38px 0 0;
  font: 400 clamp(52px, 5vw, 78px)/.98 Georgia, serif;
  letter-spacing: -.05em;
}
.manifesto-note {
  align-self: end;
  padding: 36px;
  border: 1px solid var(--line);
  background: var(--paper-bright);
  font: 16px/1.65 Georgia, serif;
}
.manifesto-note p { margin: 0 0 26px; }
.manifesto-note .accent-line { color: var(--oxide); font-size: 28px; line-height: 1.1; }
.manifesto-note strong { display: block; padding-top: 24px; border-top: 1px solid var(--line); font-weight: 400; }

.evolution { color: var(--ink); background: var(--silver); }
.evolution-grid {
  display: grid;
  grid-template-columns: 40% 20% 40%;
  min-height: 640px;
  margin-top: 60px;
}
.evolution-title { padding: 30px 5vw 30px 0; border-right: 1px solid var(--line); }
.evolution-title h2 {
  margin: 65px 0 0;
  font: 400 clamp(52px,5vw,78px)/1 Georgia, serif;
  letter-spacing: -.045em;
}
.evolution-title h2 span { color: var(--muted); }
.evolution-turn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.evolution-turn::before {
  content: "";
  position: absolute;
  top: -15%;
  left: 47%;
  width: 55px;
  height: 130%;
  transform: skewX(-14deg);
  background: var(--oxide);
  opacity: .9;
}
.evolution-turn span {
  z-index: 1;
  color: var(--on-accent);
  font: 900 88px/.85 "Arial Narrow", Arial, sans-serif;
}
.evolution-turn i { z-index: 1; display: block; width: 1px; height: 34px; background: rgba(247,247,243,.54); }
.evolution-result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 0 40px 5vw;
  border-left: 1px solid var(--line);
}
.evolution-result p { max-width: 510px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.evolution-result h3 {
  margin: 35px 0;
  color: var(--oxide);
  font: 400 clamp(48px,5vw,76px)/.95 Georgia, serif;
  letter-spacing: -.04em;
}
.platform-note {
  display: grid;
  grid-template-columns: 20% 1fr;
  gap: 4vw;
  align-items: start;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.platform-note span { color: var(--muted); font: 9px monospace; letter-spacing: .13em; }
.platform-note p { max-width: 800px; margin: 0; font: 24px/1.35 Georgia, serif; }

.audiences { background: var(--paper); }
.audience-intro {
  display: grid;
  grid-template-columns: 62% 38%;
  gap: 5vw;
  align-items: end;
  padding: 70px 0 60px;
}
.audience-intro h2 {
  margin: 0;
  font: 400 clamp(58px, 6vw, 92px)/.92 Georgia, serif;
  letter-spacing: -.055em;
}
.audience-intro p {
  max-width: 460px;
  margin: 0;
  color: var(--muted);
  font: 16px/1.65 Georgia, serif;
}
.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.audience-grid article {
  min-height: 490px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background .3s, color .3s;
}
.audience-grid article:hover { background: var(--paper-bright); }
.audience-grid .role-card { color: var(--on-accent); background: var(--oxide); }
.audience-grid .role-card:hover { background: var(--oxide-dark); }
.card-top {
  display: flex;
  justify-content: space-between;
  font: 9px monospace;
  letter-spacing: .13em;
}
.audience-grid h3 {
  margin: 70px 0 25px;
  font: 400 clamp(34px, 3.4vw, 52px)/1 Georgia, serif;
  letter-spacing: -.035em;
}
.audience-grid article > p {
  max-width: 510px;
  min-height: 52px;
  color: currentColor;
  opacity: .72;
  font-size: 13px;
  line-height: 1.6;
}
.audience-grid ul {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 50px 0 0;
  padding: 0;
  list-style: none;
}
.audience-grid li {
  padding: 8px 10px;
  border: 1px solid currentColor;
  opacity: .74;
  font-size: 9px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.method { color: var(--ink); background: var(--silver); }
.method-head {
  display: grid;
  grid-template-columns: 60% 40%;
  gap: 6vw;
  align-items: end;
  padding: 68px 0;
}
.method-head h2 {
  margin: 0;
  font: 400 clamp(58px,6vw,92px)/.92 Georgia, serif;
  letter-spacing: -.055em;
}
.method-head p {
  max-width: 480px;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.method-grid article {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 560px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-right: 0;
}
.method-grid article:last-child { border-right: 1px solid var(--line); }
.method-grid article:nth-child(1) { background: var(--paper); }
.method-grid article:nth-child(2) { background: var(--paper-bright); }
.method-grid article:nth-child(3) { color: var(--on-accent); background: var(--oxide); }
.method-number { z-index: 1; font: 9px monospace; letter-spacing: .12em; }
.method-letter {
  position: absolute;
  top: 52px;
  right: -10px;
  color: rgba(23,25,24,.07);
  font: 900 250px/.8 "Arial Narrow", Arial, sans-serif;
}
.method-grid h3 {
  z-index: 1;
  margin: auto 0 25px;
  font: 400 54px/1 Georgia, serif;
  letter-spacing: -.04em;
}
.method-grid p {
  z-index: 1;
  min-height: 100px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}
.method-grid article:nth-child(3) .method-letter { color: rgba(255,255,255,.08); }
.method-grid article:nth-child(3) p { color: rgba(247,247,243,.76); }
.method-grid small {
  z-index: 1;
  padding-top: 22px;
  border-top: 1px solid currentColor;
  opacity: .74;
  font: 9px monospace;
  letter-spacing: .12em;
}
.method-line {
  max-width: 1050px;
  margin: 70px 0 0 auto;
  font: 30px/1.4 Georgia, serif;
  text-align: right;
}
.method-line em { color: var(--oxide); }

.proof { background: var(--silver); }
.proof-layout {
  display: grid;
  grid-template-columns: 32% 68%;
  margin-top: 60px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.proof-title {
  min-height: 520px;
  padding: 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.proof-title h2 { margin: 0 0 42px; font: 400 64px/.95 Georgia, serif; letter-spacing: -.045em; }
.proof-title p { max-width: 300px; color: var(--muted); font-size: 12px; line-height: 1.65; }
.proof-metrics { display: grid; grid-template-columns: repeat(2, 1fr); }
.proof-metrics article {
  min-height: 260px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.proof-metrics span { font: 9px monospace; }
.proof-metrics strong { display: block; margin: 54px 0 8px; font: 400 58px/1 Georgia, serif; }
.proof-metrics p { margin: 0; color: var(--muted); font-size: 12px; }
.case-signal {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  margin-top: 14px;
  color: var(--on-accent);
  background: var(--oxide-bright);
}
.case-signal > * { min-height: 160px; padding: 24px; border-right: 1px solid rgba(247,247,243,.28); }
.case-signal > *:last-child { border-right: 0; }
.case-signal > div { display: flex; flex-direction: column; justify-content: space-between; }
.case-signal > div span { color: rgba(247,247,243,.7); font: 9px monospace; letter-spacing: .12em; }
.case-signal > div b { font: 400 22px Georgia, serif; }
.case-signal > strong {
  display: flex;
  flex-direction: column;
  justify-content: center;
  font: 400 45px/1 Georgia, serif;
}
.case-signal small { margin-top: 10px; color: rgba(247,247,243,.7); font: 9px Arial, sans-serif; text-transform: uppercase; letter-spacing: .08em; }

.routes { background: var(--paper); }
.routes-head { padding: 68px 0 55px; }
.routes-head h2 { margin: 0; font: 400 clamp(58px,6vw,92px)/.92 Georgia, serif; letter-spacing: -.055em; }
.route-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.route-card {
  display: flex;
  flex-direction: column;
  min-height: 570px;
  padding: 26px;
  transition: transform .3s, box-shadow .3s;
}
.route-card:hover { transform: translateY(-8px); box-shadow: 0 22px 45px rgba(15,17,16,.16); }
.media-route { background: var(--paper-bright); }
.practice-route { color: var(--on-accent); background: var(--oxide); }
.concept-route { color: var(--on-accent); background: var(--oxide-bright); }
.route-top { display: flex; justify-content: space-between; font: 9px monospace; letter-spacing: .12em; }
.route-top span:last-child { font-size: 18px; }
.route-symbol {
  margin: 55px 0 auto;
  color: rgba(255,255,255,.08);
  font: 900 190px/.7 "Arial Narrow", Arial, sans-serif;
}
.media-route .route-symbol { color: rgba(21,23,22,.08); }
.route-card h3 { margin: 0 0 18px; font: 400 52px/1 Georgia, serif; letter-spacing: -.04em; }
.route-card p { min-height: 70px; margin: 0 0 28px; opacity: .74; font-size: 13px; line-height: 1.6; }
.route-card > b { padding-top: 18px; border-top: 1px solid currentColor; opacity: .6; font: 9px monospace; letter-spacing: .1em; }

.closing-note {
  display: grid;
  grid-template-columns: 32% 68%;
  align-items: center;
  min-height: 320px;
  padding: 50px 7.5vw;
  color: var(--ink);
  background: var(--paper-bright);
}
.closing-note span { color: var(--oxide); font: 900 clamp(80px,9vw,150px)/.7 "Arial Narrow", Arial, sans-serif; letter-spacing: -.09em; }
.closing-note p { margin: 0; padding-left: 6vw; border-left: 1px solid var(--line); font: 34px/1.3 Georgia, serif; }

.footer { padding: 90px 7.5vw 26px; color: var(--on-accent); background: var(--oxide); }
.footer-label { border-color: rgba(255,255,255,.46); }
.footer h2 { margin: 90px 0 80px; font: 400 clamp(78px,11vw,176px)/.78 Georgia, serif; letter-spacing: -.065em; }
.footer h2 em { color: var(--mint); }
.contact-choices { border-top: 1px solid rgba(255,255,255,.48); }
.contact-choices a {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  align-items: center;
  min-height: 105px;
  border-bottom: 1px solid rgba(255,255,255,.48);
  transition: padding .25s, background .25s;
}
.contact-choices a:hover { padding: 0 20px; background: rgba(24,61,83,.42); }
.contact-choices span { opacity: .66; font: 9px monospace; }
.contact-choices strong { font: 400 28px Georgia, serif; }
.contact-choices a > span:last-child { opacity: 1; font-size: 24px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin-top: 75px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.48);
  font: 9px monospace;
  letter-spacing: .12em;
}

@media (max-width: 1000px) {
  .wordmark { width: auto; flex: 1; padding-left: 22px; }
  .desktop-nav { display: none; }
  .mobile-menu { display: block; position: relative; }
  .mobile-menu summary {
    padding: 27px 20px;
    border-left: 1px solid var(--line);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .1em;
  }
  .mobile-menu nav {
    position: absolute;
    top: 68px;
    right: 0;
    display: flex;
    flex-direction: column;
    width: 230px;
    padding: 10px;
    color: var(--on-accent);
    background: var(--oxide);
  }
  .mobile-menu nav a { padding: 16px; border-bottom: 1px solid rgba(247,247,243,.28); }
  .hero { display: block; }
  .hero-copy { min-height: auto; padding: 58px 20px 70px; }
  .hero h1 { font-size: clamp(46px, 11.2vw, 66px); }
  .hero-description { font-size: 15px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .coordinate { position: static; margin-top: 50px; }
  .hero-visual { height: 610px; min-height: 0; }
  .principles { position: relative; left: auto; right: auto; grid-template-columns: 1fr; gap: 1px; height: auto; }
  .principles article { min-height: 130px; border: 0; border-radius: 0; }
  .principles article:hover { transform: none; }
  .section-pad { padding: 64px 20px; }
  .manifesto-grid { grid-template-columns: 1fr; min-height: auto; }
  .manifesto-index { min-height: 190px; padding: 0 0 35px; border-right: 0; border-bottom: 1px solid var(--line); }
  .manifesto-copy { padding: 45px 0; }
  .manifesto-copy h2 { font-size: 48px; }
  .manifesto-note { padding: 26px; }
  .evolution-grid { grid-template-columns: 1fr; min-height: 0; }
  .evolution-title { padding: 20px 0 55px; border-right: 0; border-bottom: 1px solid var(--line); }
  .evolution-title h2 { font-size: 52px; }
  .evolution-turn { min-height: 390px; flex-direction: row; gap: 18px; }
  .evolution-turn::before { left: 48%; }
  .evolution-turn i { width: 34px; height: 1px; }
  .evolution-result { padding: 60px 0; border-top: 1px solid var(--line); border-left: 0; }
  .evolution-result h3 { font-size: 52px; }
  .platform-note { grid-template-columns: 1fr; gap: 28px; }
  .platform-note p { font-size: 21px; }
  .audience-intro, .method-head { grid-template-columns: 1fr; }
  .audience-intro h2, .method-head h2, .routes-head h2 { font-size: 54px; }
  .audience-grid { grid-template-columns: 1fr; }
  .audience-grid article { min-height: 440px; padding: 24px; }
  .audience-grid h3 { font-size: 42px; }
  .method-grid { grid-template-columns: 1fr; }
  .method-grid article { min-height: 470px; border-right: 1px solid var(--line); border-bottom: 0; }
  .method-grid article:last-child { border-bottom: 1px solid var(--line); }
  .method-line { font-size: 24px; text-align: left; }
  .proof-layout { grid-template-columns: 1fr; }
  .proof-title { min-height: 350px; }
  .proof-metrics { grid-template-columns: 1fr 1fr; }
  .proof-metrics article { min-height: 220px; }
  .proof-metrics strong { margin-top: 38px; font-size: 44px; }
  .case-signal { grid-template-columns: 1fr 1fr; }
  .case-signal > div { grid-column: span 2; }
  .route-grid { grid-template-columns: 1fr; }
  .route-card { min-height: 520px; }
  .closing-note { grid-template-columns: 1fr; gap: 60px; }
  .closing-note p { padding: 50px 0 0; border-top: 1px solid var(--line); border-left: 0; font-size: 28px; }
  .footer h2 { font-size: 17vw; }
  .contact-choices a { grid-template-columns: 40px 1fr auto; }
  .contact-choices strong { font-size: 20px; }
  .footer-bottom { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}