@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700&family=Playfair+Display:ital,wght@1,500&display=swap');

:root {
  --paper: #f5f2ea;
  --paper-2: #ece8dd;
  --ink: #101114;
  --muted: #64645f;
  --line: rgba(16, 17, 20, 0.14);
  --night: #111419;
  --lime: #c7ff61;
  --blue: #273341;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Manrope, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.container {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 999;
  padding: 10px 16px;
  background: #fff;
}

.skip-link:focus {
  left: 8px;
}

/* =========================
   HEADER
========================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 242, 234, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
}

.brand-glyph {
  width: 39px;
  height: 39px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-family: "DM Mono", monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.brand strong {
  display: block;
  font-size: 12px;
  letter-spacing: 0.19em;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 10px;
  margin-top: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
}

.nav-cta {
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
}

/* =========================
   HERO
========================= */

.hero {
  position: relative;
  overflow: hidden;
  padding: 104px 0 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.48),
    transparent 74%
  );
  opacity: 0.38;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 88px;
  align-items: center;
  padding-bottom: 92px;
}

.kicker,
.eyebrow {
  font-family: "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
}

.kicker span {
  width: 28px;
  height: 1px;
  background: var(--ink);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 28px;
  font-size: clamp(57px, 6.3vw, 96px);
  line-height: 0.94;
  letter-spacing: -0.058em;
  font-weight: 600;
}

h1 em {
  font-family: "Playfair Display", serif;
  font-weight: 500;
}

.lede {
  max-width: 720px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-decoration: none;
  border-radius: 999px;
  padding: 15px 21px;
  font-size: 12px;
  font-weight: 700;
  transition: transform 0.22s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-dark {
  background: var(--ink);
  color: #fff;
}

.text-link {
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 3px;
}

/* =========================
   EXAMPLE WORKFLOW
========================= */

.signal-card {
  background: var(--night);
  color: #eef0f2;
  border-radius: 32px;
  padding: 28px;
  box-shadow: 0 35px 90px rgba(12, 14, 18, 0.20);
  transform: rotate(1deg);
}

.signal-top {
  display: flex;
  justify-content: space-between;
  font-family: "DM Mono", monospace;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: #969ca4;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
}

.live-dot {
  display: flex;
  gap: 7px;
  align-items: center;
}

.live-dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(199, 255, 97, 0.10);
}

.flow-stack {
  padding: 23px 0 12px;
}

.flow-row {
  display: flex;
  align-items: center;
  gap: 15px;
}

.flow-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: grid;
  place-items: center;
  font-family: "DM Mono", monospace;
  font-size: 9px;
  color: var(--lime);
}

.flow-row strong {
  display: block;
  font-size: 13px;
}

.flow-row small {
  display: block;
  color: #8d949d;
  font-size: 10px;
  margin-top: 2px;
}

.connector {
  height: 40px;
  margin-left: 18px;
  border-left: 1px dashed rgba(255, 255, 255, 0.17);
  display: flex;
  align-items: center;
}

.connector span {
  margin-left: 15px;
  font-family: "DM Mono", monospace;
  color: #666e78;
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
}

.signal-note {
  margin: 14px 0 0;
  color: #6f7680;
  font-size: 9px;
}

/* =========================
   PROOF STRIP
========================= */

.proof-strip {
  position: relative;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.proof-strip > div {
  padding: 29px 28px 34px 0;
  border-right: 1px solid var(--line);
}

.proof-strip > div + div {
  padding-left: 28px;
}

.proof-strip > div:last-child {
  border-right: 0;
}

.proof-strip strong {
  display: block;
  font-size: 36px;
  letter-spacing: -0.045em;
}

.proof-strip span {
  display: block;
  min-height: 48px;
  color: var(--muted);
  font-size: 11px;
  max-width: 290px;
}

.proof-strip a {
  font-family: "DM Mono", monospace;
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
}

/* =========================
   GENERIC SECTIONS
========================= */

.section {
  padding: 130px 0;
}

.section-light {
  background: #faf8f2;
}

.split {
  display: grid;
  grid-template-columns: 0.36fr 0.64fr;
  gap: 72px;
}

.section-label {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.section-label span {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  border: 1px solid var(--line);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.section-label p {
  font-size: 12px;
  font-weight: 700;
}

.section-content h2,
.section-heading h2,
.evidence-intro h2,
.questions-copy h2,
.contact-section h2,
.fieldwork-intro h2,
.researcher-copy h2 {
  font-size: clamp(45px, 5vw, 74px);
  line-height: 0.99;
  letter-spacing: -0.055em;
  margin-bottom: 34px;
}

.section-content {
  max-width: 820px;
}

.large-copy {
  font-size: 22px;
  line-height: 1.65;
  color: #292a2c;
}

.emphasis-line {
  border-left: 3px solid var(--ink);
  padding-left: 22px;
  margin: 6px 0 34px;
}

.section-content > p:not(.large-copy) {
  max-width: 720px;
  color: var(--muted);
  font-size: 16px;
}

.research-aim {
  margin-top: 30px !important;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-weight: 600;
  color: var(--ink) !important;
}

/* =========================
   FIELDWORK
========================= */

.fieldwork-section {
  background: #d9e1d7;
}

.fieldwork-intro {
  max-width: 880px;
}

.fieldwork-intro p {
  max-width: 760px;
  color: #4d5650;
  font-size: 17px;
}

.fieldwork-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 58px;
  border-top: 1px solid rgba(16, 17, 20, 0.16);
  border-bottom: 1px solid rgba(16, 17, 20, 0.16);
}

.fieldwork-card {
  min-height: 290px;
  padding: 26px 28px 30px;
  border-right: 1px solid rgba(16, 17, 20, 0.16);
  display: flex;
  flex-direction: column;
}

.fieldwork-card:last-child {
  border-right: 0;
}

.fieldwork-number {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: #5b655f;
}

.fieldwork-card h3 {
  margin-top: auto;
  margin-bottom: 10px;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.fieldwork-card p {
  margin: 0;
  color: #59625d;
  font-size: 13px;
}

.research-status {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 0.36fr 0.64fr;
  gap: 60px;
  align-items: start;
  border-top: 1px solid rgba(16, 17, 20, 0.16);
  padding-top: 25px;
}

.research-status div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.status-label {
  font-family: "DM Mono", monospace;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #637068;
}

.research-status strong {
  font-size: 18px;
}

.research-status p {
  margin: 0;
  color: #59625d;
  max-width: 700px;
  font-size: 13px;
}

/* =========================
   PROCESS
========================= */

.process-section {
  background: var(--paper);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 60px;
  margin-bottom: 58px;
}

.section-heading p {
  max-width: 470px;
  color: var(--muted);
}

.eyebrow {
  display: block;
  color: var(--muted);
  margin-bottom: 19px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-card {
  min-height: 260px;
  padding: 24px 28px 28px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.process-card:last-child {
  border-right: 0;
}

.card-index {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: var(--muted);
}

.process-card h3 {
  margin-top: 70px;
  margin-bottom: 10px;
  font-size: 24px;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.process-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  max-width: 290px;
}

/* =========================
   EVIDENCE
========================= */

.evidence-section {
  background: var(--night);
  color: #f5f3ec;
}

.evidence-intro {
  max-width: 940px;
}

.light-eyebrow {
  color: #888f98;
}

.evidence-intro p {
  max-width: 780px;
  color: #a7adb4;
  font-size: 17px;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 68px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.metric {
  padding: 38px 35px 40px 0;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.metric + .metric {
  padding-left: 35px;
}

.metric:last-child {
  border-right: 0;
}

.metric-number {
  display: block;
  font-size: 74px;
  line-height: 1;
  letter-spacing: -0.07em;
  color: var(--lime);
}

.metric p {
  max-width: 280px;
  color: #a9afb7;
  margin: 19px 0 0;
  font-size: 12px;
}

.source-note {
  display: grid;
  grid-template-columns: 0.20fr 0.55fr 0.25fr;
  gap: 35px;
  margin-top: 28px;
  font-family: "DM Mono", monospace;
  font-size: 9px;
  color: #747b85;
}

.source-note a {
  text-align: right;
  color: #bac0c7;
}

/* =========================
   PRINCIPLES
========================= */

.principles {
  margin-top: 56px;
  border-top: 1px solid var(--line);
}

.principles > div {
  display: grid;
  grid-template-columns: 70px 1fr;
  border-bottom: 1px solid var(--line);
  padding: 25px 0;
}

.principles span {
  font-family: "DM Mono", monospace;
  font-size: 10px;
}

.principles p {
  margin: 0;
  color: var(--muted);
}

.principles strong {
  color: var(--ink);
}

/* =========================
   RESEARCHER
========================= */

.researcher-section {
  background: #f0ede4;
}

.researcher-grid {
  display: grid;
  grid-template-columns: 0.36fr 0.64fr;
  gap: 72px;
  align-items: start;
}

.researcher-label {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.researcher-monogram {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-family: "DM Mono", monospace;
  font-size: 20px;
  letter-spacing: 0.08em;
}

.researcher-copy {
  max-width: 800px;
}

.researcher-copy h2 {
  margin-bottom: 26px;
}

.researcher-copy > p:not(.large-copy) {
  max-width: 700px;
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 26px;
}

/* =========================
   QUESTIONS
========================= */

.questions-section {
  background: var(--paper-2);
}

.questions-copy {
  max-width: 790px;
}

.questions-list {
  list-style: none;
  padding: 0;
  margin: 60px 0 0;
  border-top: 1px solid var(--line);
}

.questions-list li {
  display: grid;
  grid-template-columns: 100px 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 29px 0;
}

.questions-list span {
  font-family: "DM Mono", monospace;
  font-size: 10px;
}

.questions-list p {
  margin: 0;
  font-size: 21px;
  letter-spacing: -0.02em;
}

/* =========================
   CONTACT
========================= */

.contact-section {
  padding: 125px 0;
  background: var(--blue);
  color: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 90px;
  align-items: end;
}

.contact-section h2 {
  margin: 0;
}

.contact-copy p {
  color: #bac2ca;
  font-size: 16px;
  max-width: 470px;
  margin-bottom: 28px;
}

.button-white {
  background: #fff;
  color: #1b2027;
}

/* =========================
   PRIVACY
========================= */

.privacy-section {
  padding: 55px 0;
  background: #1d252e;
  color: #c8cdd3;
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 56px;
  align-items: start;
}

.privacy-grid > div {
  min-width: 0;
}

.privacy-grid strong {
  color: #fff;
  font-size: 12px;
}

.privacy-grid p {
  font-size: 10px;
  line-height: 1.7;
  margin: 8px 0 0;
}

/* =========================
   FOOTER
========================= */

.site-footer {
  padding: 38px 0 48px;
  background: #101419;
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: end;
}

.footer-brand .brand-glyph {
  background: #fff;
  color: #111;
}

.footer-brand small {
  color: #7f8790;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 9px;
  color: #8f969e;
}

.footer-meta a {
  color: #fff;
}

.footer-right {
  text-align: right;
}

/* =========================
   ANIMATION
========================= */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.75s ease,
    transform 0.75s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.delay-1 {
  transition-delay: 0.08s;
}

.delay-2 {
  transition-delay: 0.16s;
}

.delay-3 {
  transition-delay: 0.24s;
}

/* =========================
   TABLET
========================= */

@media (max-width: 980px) {
  .hero-inner,
  .split,
  .contact-grid,
  .researcher-grid,
  .research-status {
    grid-template-columns: 1fr;
  }

  .privacy-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    gap: 56px;
  }

  .signal-card {
    transform: none;
    max-width: 650px;
  }

  .process-grid,
  .fieldwork-grid {
    grid-template-columns: 1fr 1fr;
  }

  .process-card:nth-child(2),
  .fieldwork-card:nth-child(2) {
    border-right: 0;
  }

  .process-card:nth-child(-n + 2),
  .fieldwork-card:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .source-note {
    grid-template-columns: 1fr;
  }

  .source-note a {
    text-align: left;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }
}

/* =========================
   MOBILE
========================= */

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .nav {
    height: 70px;
  }

  .hero {
    padding-top: 74px;
  }

  .hero-inner {
    padding-bottom: 62px;
  }

  h1 {
    font-size: clamp(48px, 14.7vw, 68px);
  }

  .lede {
    font-size: 16px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .proof-strip,
  .evidence-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .proof-strip > div,
  .proof-strip > div + div,
  .metric,
  .metric + .metric {
    padding: 25px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-strip > div:last-child,
  .metric:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 88px 0;
  }

  .section-content h2,
  .section-heading h2,
  .evidence-intro h2,
  .questions-copy h2,
  .contact-section h2,
  .fieldwork-intro h2,
  .researcher-copy h2 {
    font-size: 47px;
  }

  .process-grid,
  .fieldwork-grid {
    grid-template-columns: 1fr;
  }

  .process-card,
  .fieldwork-card {
    min-height: 220px;
    border-right: 0 !important;
    border-bottom: 1px solid var(--line);
  }

  .process-card:last-child,
  .fieldwork-card:last-child {
    border-bottom: 0;
  }

  .process-card h3,
  .fieldwork-card h3 {
    margin-top: 48px;
  }

  .metric {
    border-bottom-color: rgba(255, 255, 255, 0.14) !important;
  }

  .questions-list li {
    grid-template-columns: 55px 1fr;
  }

  .questions-list p {
    font-size: 17px;
  }

  .footer-grid {
    gap: 26px;
  }

  .footer-right {
    text-align: left;
  }
}

/* =========================
   REDUCED MOTION
========================= */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .button {
    transition: none;
  }
}