:root {
  --paper: #f3f0e8;
  --paper-2: #e9e6dc;
  --ink: #11201f;
  --ink-soft: #3f4a47;
  --line: rgba(17, 32, 31, 0.18);
  --line-strong: rgba(17, 32, 31, 0.42);
  --neuvr: #196f61;
  --neuvr-bright: #75e2bd;
  --sunando: #316bdb;
  --anu: #c75d3f;
  --white: #fffef9;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1240px;
  --shadow: 0 28px 70px rgba(25, 44, 41, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 2%, rgba(117, 226, 189, 0.13), transparent 24rem),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.11'/%3E%3C/svg%3E");
  z-index: 20;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  text-decoration: none;
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(243, 240, 232, 0.88);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(var(--max), calc(100% - 48px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-style: italic;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--ink-soft);
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
}

.nav-links .nav-cta {
  padding: 11px 17px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
}

.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 17px;
  height: 1.5px;
  margin: 5px auto;
  background: currentColor;
}

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

.hero {
  min-height: calc(100svh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: center;
  padding: 84px 0 96px;
}

.hero-index {
  min-height: calc(86svh - 76px);
  grid-template-columns: 1.15fr 0.85fr;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 0 0 26px;
  color: var(--neuvr);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 42px;
  height: 2px;
  background: currentColor;
}

.sunando-page .eyebrow,
.sunando-page .accent {
  color: var(--sunando);
}

.anu-page .eyebrow,
.anu-page .accent {
  color: var(--anu);
}

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

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  max-width: 950px;
  margin-bottom: 30px;
  font-family: var(--serif);
  font-size: clamp(4rem, 8vw, 8.4rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.hero-index h1 {
  max-width: 790px;
  font-size: clamp(4rem, 7.4vw, 7.7rem);
}

h1 em,
h2 em {
  font-weight: 400;
}

.hero-deck {
  max-width: 800px;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1.8vw, 1.38rem);
  line-height: 1.58;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.055em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

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

.button.secondary {
  background: transparent;
  color: var(--ink);
}

.button.secondary:hover {
  background: var(--white);
}

.hero-rail {
  padding-left: 36px;
  border-left: 1px solid var(--line-strong);
}

.stat {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.stat:first-child {
  padding-top: 0;
}

.stat:last-child {
  border-bottom: 0;
}

.stat-value {
  display: block;
  margin-bottom: 4px;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 3.4vw, 3.6rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.stat-label {
  display: block;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 650;
  line-height: 1.4;
}

.section {
  padding: 110px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 0.34fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 62px;
}

.section-number {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}

.section-heading h2 {
  max-width: 780px;
  margin-bottom: 14px;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 5vw, 5.4rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.section-intro {
  max-width: 700px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.thesis {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 70px;
  padding: clamp(48px, 7vw, 88px);
  border-radius: 3px;
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow);
}

.thesis blockquote {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4.7vw, 5rem);
  letter-spacing: -0.05em;
  line-height: 1.03;
}

.thesis-copy {
  align-self: end;
  color: rgba(255, 254, 249, 0.7);
}

.thesis-copy strong {
  color: var(--neuvr-bright);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.card {
  position: relative;
  min-height: 330px;
  padding: 34px;
  border: 1px solid var(--line);
  background: rgba(255, 254, 249, 0.48);
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -90px;
  bottom: -100px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.card-kicker {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card h3 {
  max-width: 430px;
  margin: 46px 0 16px;
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.card p {
  max-width: 540px;
  color: var(--ink-soft);
}

.case-list {
  border-top: 1px solid var(--line-strong);
}

.case-study {
  border-bottom: 1px solid var(--line-strong);
}

.case-study summary {
  position: relative;
  display: grid;
  grid-template-columns: 86px 1fr 42px;
  gap: 28px;
  align-items: center;
  min-height: 158px;
  padding: 26px 0;
  cursor: pointer;
  list-style: none;
}

.case-study summary::-webkit-details-marker {
  display: none;
}

.case-index {
  font-family: var(--mono);
  font-size: 0.74rem;
}

.case-title span {
  display: block;
  margin-bottom: 7px;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-title strong {
  display: block;
  max-width: 780px;
  font-family: var(--serif);
  font-size: clamp(1.75rem, 3.5vw, 3.25rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.case-toggle {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  line-height: 1;
}

.case-toggle::before {
  content: "+";
}

.case-study[open] .case-toggle::before {
  content: "–";
}

.case-body {
  display: grid;
  grid-template-columns: 86px 1fr 0.7fr;
  gap: 28px;
  padding: 0 0 54px;
}

.case-body-copy {
  max-width: 720px;
  font-size: 1.04rem;
}

.case-body-copy p:last-child {
  margin-bottom: 0;
}

.case-result {
  align-self: start;
  padding-left: 26px;
  border-left: 2px solid var(--neuvr);
}

.sunando-page .case-result {
  border-left-color: var(--sunando);
}

.anu-page .case-result {
  border-left-color: var(--anu);
}

.case-result b {
  display: block;
  margin-bottom: 7px;
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.035em;
}

.case-result span {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.principles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line);
}

.principle {
  min-height: 280px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

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

.principle-index {
  display: inline-block;
  margin-bottom: 66px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.principle h3 {
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.principle p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.55;
}

.timeline {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 50px;
}

.timeline-label {
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.timeline-list {
  border-top: 1px solid var(--line-strong);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 24px;
  padding: 27px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-item h3 {
  margin-bottom: 5px;
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 500;
  letter-spacing: -0.025em;
}

.timeline-item p,
.timeline-item time {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.timeline-item time {
  text-align: right;
}

.founder-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.founder-card {
  position: relative;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(32px, 5vw, 58px);
  border: 1px solid var(--line);
  background: rgba(255, 254, 249, 0.58);
  color: var(--ink);
  text-decoration: none;
  overflow: hidden;
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.founder-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.founder-card::before {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 280px;
  height: 280px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.founder-card.sunando::after,
.founder-card.anu::after {
  content: "";
  position: absolute;
  right: 52px;
  top: 52px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.founder-card.sunando::after {
  background: var(--sunando);
}

.founder-card.anu::after {
  background: var(--anu);
}

.founder-role {
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.founder-card h2 {
  margin: auto 0 24px;
  font-family: var(--serif);
  font-size: clamp(3.4rem, 7vw, 6.7rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.84;
}

.founder-card p {
  max-width: 530px;
  color: var(--ink-soft);
  font-size: 1rem;
}

.founder-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--line-strong);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.founder-link span:last-child {
  font-size: 1.3rem;
}

.loop {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.loop-step {
  position: relative;
  padding: 40px 32px 38px 0;
}

.loop-step + .loop-step {
  padding-left: 32px;
  border-left: 1px solid var(--line);
}

.loop-step span {
  color: var(--neuvr);
  font-family: var(--mono);
  font-size: 0.74rem;
}

.loop-step h3 {
  margin: 36px 0 10px;
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.035em;
}

.loop-step p {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.contact {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: end;
  padding: 110px 0 70px;
}

.contact h2 {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(3.4rem, 7vw, 7.4rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.contact-links {
  display: grid;
  gap: 12px;
}

.contact-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-strong);
  font-weight: 700;
  text-decoration: none;
}

.contact-links a span {
  color: var(--ink-soft);
}

.site-footer {
  padding: 24px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 960px) {
  .hero,
  .hero-index,
  .thesis,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-rail {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 30px 0 0;
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .stat {
    padding: 0 24px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .stat:first-child {
    padding-left: 0;
  }

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

  .principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .principle:nth-child(2) {
    border-right: 0;
  }

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

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .nav-shell,
  .page-shell {
    width: min(100% - 32px, var(--max));
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    display: none;
    padding: 24px 16px 28px;
    border-bottom: 1px solid var(--line-strong);
    background: var(--paper);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 10px 0;
  }

  .nav-links .nav-cta {
    text-align: center;
  }

  .hero {
    padding: 64px 0 74px;
  }

  h1,
  .hero-index h1 {
    font-size: clamp(3.4rem, 16vw, 5.6rem);
  }

  .hero-rail {
    grid-template-columns: 1fr;
  }

  .stat,
  .stat:first-child {
    padding: 20px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 78px 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 40px;
  }

  .section-heading h2 {
    font-size: clamp(2.65rem, 12vw, 4.2rem);
  }

  .thesis {
    gap: 38px;
    padding: 38px 26px;
  }

  .thesis blockquote {
    font-size: clamp(2.2rem, 10vw, 3.5rem);
  }

  .card-grid,
  .founder-cards,
  .loop,
  .timeline {
    grid-template-columns: 1fr;
  }

  .founder-card {
    min-height: 470px;
  }

  .loop-step + .loop-step {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .case-study summary {
    grid-template-columns: 40px 1fr 36px;
    gap: 12px;
    min-height: 130px;
  }

  .case-body {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-left: 52px;
  }

  .case-body > :first-child {
    display: none;
  }

  .case-result {
    margin-top: 10px;
  }

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

  .principle,
  .principle:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .principle:last-child {
    border-bottom: 0;
  }

  .timeline {
    gap: 20px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .timeline-item time {
    text-align: left;
  }

  .contact h2 {
    font-size: clamp(3rem, 15vw, 5.2rem);
  }

  .footer-inner {
    flex-direction: column;
  }
}