:root {
  --bg: #faf9f6;
  --bg-quiet: #f1efea;
  --ink: #11110f;
  --ink-soft: #595752;
  --ink-faint: #9b958c;
  --accent: #8f1f2d;
  --line: rgba(17, 17, 15, 0.11);
  --line-strong: rgba(17, 17, 15, 0.2);

  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-ui: "Instrument Sans", system-ui, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;
  --space-3xl: 12rem;

  --max-width: 76rem;
  --nav-height: 3.6rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, rgba(17, 17, 15, 0.035) 1px, transparent 1px) 50% 0 / min(18vw, 15rem) 100%,
    var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.65;
}

.js body.is-loading {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

::selection {
  background: var(--ink);
  color: var(--bg);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 1000;
  padding: 0.55rem 1rem;
  background: var(--ink);
  color: var(--bg);
  font-size: 0.875rem;
}

.skip-link:focus {
  top: var(--space-sm);
}

.eyebrow {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.loader {
  display: none;
}

.js .loader {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  background:
    linear-gradient(90deg, rgba(17, 17, 15, 0.04) 1px, transparent 1px) 50% 0 / min(18vw, 15rem) 100%,
    var(--bg);
  color: var(--ink);
  transition: opacity 0.9s var(--ease-out), visibility 0.9s var(--ease-out);
}

.loader.is-done {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.loader__inner {
  position: relative;
  width: min(30rem, calc(100vw - 3rem));
  text-align: center;
}

.loader__mark {
  position: relative;
  display: inline-block;
  overflow: hidden;
  font-family: var(--font-display);
  font-size: clamp(4.8rem, 18vw, 9.5rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.92;
  transform-origin: center;
  animation: loader-name-in 1.05s var(--ease-out) both;
}

.loader__mark::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(250, 249, 246, 0.78), transparent);
  content: "";
  transform: translateX(-120%);
  animation: loader-sheen 1.15s var(--ease-in-out) both 0.28s;
}

.loader.is-done .loader__mark {
  animation: loader-name-out 0.82s var(--ease-in-out) both;
}

@keyframes loader-name-in {
  from {
    clip-path: inset(100% 0 0 0);
    opacity: 0;
    transform: translateY(1.2rem) scale(0.985);
  }

  to {
    clip-path: inset(0 0 0 0);
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes loader-name-out {
  from {
    clip-path: inset(0 0 0 0);
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  to {
    clip-path: inset(0 0 100% 0);
    opacity: 0;
    transform: translateY(-1.1rem) scale(1.015);
  }
}

@keyframes loader-sheen {
  from {
    transform: translateX(-120%);
  }

  to {
    transform: translateX(120%);
  }
}

.site-header {
  position: fixed;
  top: var(--space-md);
  left: 50%;
  z-index: 100;
  width: calc(100% - var(--space-lg));
  max-width: 44rem;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  transition: transform 0.5s var(--ease-out), opacity 0.4s ease;
}

.site-header.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(-130%);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-height);
  padding: 0.45rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(250, 249, 246, 0.76);
  box-shadow: 0 1.25rem 3rem rgba(72, 68, 60, 0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-nav__brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1;
}

.site-nav__links {
  display: flex;
  gap: clamp(0.8rem, 2vw, 1.65rem);
}

.site-nav__links a {
  position: relative;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color 0.25s ease;
}

.site-nav__links a::after {
  position: absolute;
  right: 0;
  bottom: -0.42rem;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  opacity: 0;
  transform: scaleX(0.25);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.site-nav__links a:hover,
.site-nav__links a:focus-visible,
.site-nav__links a.is-active {
  color: var(--ink);
}

.site-nav__links a:hover::after,
.site-nav__links a:focus-visible::after,
.site-nav__links a.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.hero {
  position: relative;
  display: grid;
  min-height: 100dvh;
  padding: calc(var(--nav-height) + var(--space-xl)) var(--space-lg) var(--space-xl);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  top: 16vh;
  right: max(2rem, 8vw);
  width: min(32vw, 25rem);
  aspect-ratio: 4 / 5.35;
  opacity: 0.96;
  overflow: hidden;
}

.hero__image {
  position: absolute;
  inset: -8%;
  background:
    linear-gradient(180deg, rgba(250, 249, 246, 0.02), rgba(250, 249, 246, 0.18)),
    url("https://images.unsplash.com/photo-1519389950473-47ba0277781c?w=1200&q=82&auto=format&fit=crop") center / cover;
  filter: grayscale(1) contrast(1.06);
}

.hero__media::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(250, 249, 246, 0.34);
  background: linear-gradient(135deg, transparent, rgba(17, 17, 15, 0.18));
  content: "";
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero__eyebrow {
  margin-bottom: var(--space-md);
}

.hero__title {
  max-width: 11ch;
  margin-bottom: var(--space-lg);
  font-family: var(--font-display);
  font-size: clamp(4.2rem, 12vw, 11.4rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 0.9;
}

.hero__footer {
  display: grid;
  grid-template-columns: minmax(0, 34rem) auto;
  align-items: end;
  gap: var(--space-lg);
  max-width: 61rem;
}

.hero__footer p {
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.7vw, 1.25rem);
  line-height: 1.7;
}

.hero__footer span {
  justify-self: end;
  max-width: 15rem;
  color: var(--ink-faint);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.8;
  text-align: right;
  text-transform: uppercase;
}

.hero__scroll-hint {
  position: absolute;
  right: var(--space-lg);
  bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--ink-faint);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 3rem;
  background: linear-gradient(to bottom, var(--ink-faint), transparent);
  animation: scroll-pulse 2.4s var(--ease-in-out) infinite;
}

@keyframes scroll-pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scaleY(0.6);
    transform-origin: top;
  }

  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

.chapter {
  padding: var(--space-2xl) var(--space-lg);
}

.chapter__grid {
  display: grid;
  grid-template-columns: minmax(9rem, 0.72fr) minmax(0, 2.15fr);
  gap: var(--space-xl);
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.chapter__grid--offset {
  grid-template-columns: minmax(9rem, 1fr) minmax(0, 1.9fr);
}

.chapter__aside {
  padding-top: 0.8rem;
}

.chapter__heading {
  max-width: 12ch;
  margin-bottom: var(--space-lg);
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.4rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 0.98;
}

.chapter__prose {
  display: grid;
  gap: var(--space-md);
  max-width: 42rem;
}

.chapter__prose p {
  color: var(--ink-soft);
  font-size: clamp(1.03rem, 1.4vw, 1.16rem);
}

.pull-quote {
  position: relative;
  max-width: 42rem;
  margin: 0 0 var(--space-xl);
  padding: var(--space-md) 0 var(--space-md) var(--space-lg);
  border-left: 1px solid var(--accent);
}

.pull-quote p {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.5vw, 2.55rem);
  font-style: italic;
  line-height: 1.18;
}

.visual-break {
  margin: var(--space-lg) 0 var(--space-xl);
  padding: 0 var(--space-lg);
}

.visual-break__frame {
  position: relative;
  width: 100%;
  max-width: min(var(--max-width), calc(100vw - var(--space-lg) * 2));
  height: clamp(17rem, 42vw, 31rem);
  margin: 0 auto;
  overflow: hidden;
}

.visual-break--wide .visual-break__frame {
  max-width: calc(100vw - var(--space-lg) * 2);
  height: clamp(15rem, 38vw, 27rem);
}

.visual-break__image {
  position: absolute;
  inset: -14%;
  background-position: center;
  background-size: cover;
  filter: grayscale(0.95) contrast(1.06);
  will-change: transform;
}

.visual-break__image--one {
  background-image:
    linear-gradient(135deg, rgba(17, 17, 15, 0.05), rgba(17, 17, 15, 0.22)),
    url("https://images.unsplash.com/photo-1495446815901-a7297e633e8d?w=1600&q=82&auto=format&fit=crop");
}

.visual-break__image--two {
  background-image:
    linear-gradient(225deg, rgba(17, 17, 15, 0.06), rgba(17, 17, 15, 0.3)),
    url("https://images.unsplash.com/photo-1542751371-adc38448a05e?w=1600&q=82&auto=format&fit=crop");
}

.visual-break__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 35%, rgba(250, 249, 246, 0.08)),
    linear-gradient(90deg, rgba(250, 249, 246, 0.18) 1px, transparent 1px) 0 0 / 12rem 100%;
  pointer-events: none;
}

.visual-break__caption {
  max-width: 48rem;
  margin: var(--space-md) auto 0;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: clamp(1.22rem, 2vw, 1.65rem);
  font-style: italic;
  line-height: 1.35;
  text-align: center;
}

.studies {
  padding: var(--space-2xl) var(--space-lg);
}

.studies__header {
  display: grid;
  grid-template-columns: minmax(9rem, 0.72fr) minmax(0, 2.15fr);
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
}

.studies__title,
.index-section__title {
  max-width: 12ch;
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.2rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 0.98;
}

.study-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
}

.study-item {
  min-height: 22rem;
  padding: var(--space-md);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(250, 249, 246, 0.62);
  transition: background 0.3s ease, transform 0.3s var(--ease-out);
}

.study-item:hover {
  background: rgba(241, 239, 234, 0.86);
  transform: translateY(-0.25rem);
}

.study-item span {
  display: block;
  margin-bottom: var(--space-xl);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.study-item h3 {
  margin-bottom: var(--space-sm);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1;
}

.study-item p {
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.index-section {
  padding: var(--space-2xl) var(--space-lg);
}

.index-section__intro {
  display: grid;
  grid-template-columns: minmax(9rem, 0.72fr) minmax(0, 2.15fr);
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.fact-grid__item {
  min-height: 11rem;
  padding: var(--space-md);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(250, 249, 246, 0.72);
}

.fact-grid__item dt {
  margin-bottom: var(--space-lg);
  color: var(--ink-faint);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.fact-grid__item dd {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.4vw, 2.1rem);
  font-weight: 600;
  line-height: 1.08;
}

.contact-section {
  padding: var(--space-xl) var(--space-lg) var(--space-xl);
}

.contact-section__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(20rem, 0.9fr);
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--line-strong);
}

.contact-section__title {
  max-width: 12ch;
  margin-top: var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 7vw, 6.8rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 0.96;
}

.contact-section__text {
  max-width: 26rem;
  margin-top: var(--space-lg);
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
}

.contact-list {
  align-self: end;
  border-top: 1px solid var(--line);
}

.contact-link {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: var(--space-md);
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
  transition: color 0.25s ease, transform 0.25s var(--ease-out);
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--accent);
  transform: translateX(0.35rem);
}

.contact-link span {
  color: var(--ink-faint);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-link strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  font-weight: 600;
  line-height: 1.08;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--line);
}

.site-footer__mark {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
}

.site-footer__note {
  justify-self: center;
  color: var(--ink-faint);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-align: center;
  text-transform: uppercase;
}

.site-footer__year {
  justify-self: end;
  color: var(--ink-faint);
  font-size: 0.78rem;
}

.reveal {
  opacity: 0;
  transform: translateY(2rem);
}

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

.reveal.clip {
  clip-path: inset(100% 0 0 0);
  transform: none;
}

.reveal.clip.is-visible {
  clip-path: inset(0 0 0 0);
}

@media (max-width: 980px) {
  :root {
    --space-lg: 2rem;
    --space-xl: 3.75rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
  }

  .hero__media {
    top: 13vh;
    right: 2rem;
    width: min(39vw, 19rem);
  }

  .hero__title {
    max-width: 10.5ch;
  }

  .chapter__grid,
  .chapter__grid--offset,
  .studies__header,
  .index-section__intro {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

@media (max-width: 700px) {
  :root {
    --space-md: 1.25rem;
    --space-lg: 1.15rem;
    --space-xl: 3rem;
    --space-2xl: 4.8rem;
  }

  body {
    background:
      linear-gradient(90deg, rgba(17, 17, 15, 0.035) 1px, transparent 1px) 50% 0 / 50vw 100%,
      var(--bg);
  }

  .site-header {
    top: var(--space-sm);
    width: calc(100% - 1rem);
  }

  .site-nav {
    min-height: auto;
    padding: 0.75rem 0.9rem;
  }

  .site-nav__brand {
    font-size: 1.22rem;
  }

  .site-nav__links {
    gap: 0.62rem;
  }

  .site-nav__links a {
    font-size: 0.61rem;
    letter-spacing: 0.04em;
  }

  .hero {
    min-height: 100dvh;
    padding: 7.5rem var(--space-lg) var(--space-xl);
  }

  .hero__media {
    top: 6.25rem;
    right: var(--space-lg);
    width: 42vw;
    opacity: 0.54;
  }

  .hero__title {
    max-width: 8.3ch;
    font-size: clamp(4rem, 19vw, 6.6rem);
  }

  .hero__footer {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .hero__footer span {
    justify-self: start;
    text-align: left;
  }

  .hero__scroll-hint {
    display: none;
  }

  .chapter,
  .studies,
  .index-section,
  .contact-section {
    padding-right: var(--space-lg);
    padding-left: var(--space-lg);
  }

  .chapter__heading,
  .studies__title,
  .index-section__title,
  .contact-section__title {
    max-width: 10.8ch;
    font-size: clamp(3.15rem, 15vw, 5rem);
  }

  .contact-section__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .contact-link {
    grid-template-columns: 1fr;
    gap: 0.35rem;
    transform: none;
  }

  .contact-link:hover,
  .contact-link:focus-visible {
    transform: none;
  }

  .pull-quote {
    padding-left: var(--space-md);
  }

  .visual-break,
  .visual-break--wide {
    padding: 0 var(--space-lg);
  }

  .visual-break__frame,
  .visual-break--wide .visual-break__frame {
    max-width: calc(100vw - var(--space-lg) * 2);
    height: 70vw;
  }

  .study-list,
  .fact-grid {
    grid-template-columns: 1fr;
  }

  .study-item {
    min-height: 16rem;
  }

  .study-item span {
    margin-bottom: var(--space-lg);
  }

  .fact-grid__item {
    min-height: 8.8rem;
  }

  .fact-grid__item dt {
    margin-bottom: var(--space-md);
  }

  .site-footer {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .site-footer__note,
  .site-footer__year {
    justify-self: center;
  }
}

@media (max-width: 430px) {
  .site-nav__links {
    gap: 0.48rem;
  }

  .site-nav__links a {
    font-size: 0.56rem;
  }

  .hero__title {
    font-size: clamp(3.55rem, 18vw, 4.8rem);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    clip-path: none;
  }

  .hero__scroll-line {
    animation: none;
  }

  .loader,
  .loader__mark,
  .loader__mark::after {
    animation: none;
  }
}