:root {
  --ink: #17221d;
  --forest: #12211b;
  --paper: #f3f0e9;
  --cream: #e8e1d3;
  --sage: #a9b9aa;
  --line: rgba(23, 34, 29, 0.18);
  --serif: "Libre Caslon Display", Georgia, serif;
  --sans: "DM Sans", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 28px 4vw;
  color: var(--paper);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
}

.site-nav {
  display: flex;
  gap: 36px;
  font-size: 0.82rem;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  grid-template-columns: 2fr 1fr;
  overflow: hidden;
  background: var(--forest);
  color: var(--paper);
}

.hero-copy {
  display: flex;
  max-width: 980px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 150px 7vw 100px;
}

.eyebrow {
  margin: 0 0 34px;
  color: var(--sage);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(4.2rem, 7.6vw, 9.2rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.88;
}

.hero h1 em {
  color: var(--sage);
  font-weight: 400;
}

.hero-intro {
  max-width: 580px;
  margin: 44px 0 32px;
  color: rgba(243, 240, 233, 0.72);
  font-size: clamp(1rem, 1.3vw, 1.25rem);
  line-height: 1.7;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  border-bottom: 1px solid rgba(243, 240, 233, 0.4);
  padding: 12px 0;
  font-size: 0.82rem;
}

.text-link span {
  font-size: 1.1rem;
  transition: transform 200ms ease;
}

.text-link:hover span {
  transform: translate(4px, 4px);
}

.hero-panel {
  position: relative;
  display: flex;
  min-height: 100%;
  flex-direction: column;
  justify-content: flex-end;
  padding: 70px 4vw;
  background: var(--cream);
  color: var(--ink);
}

.hero-panel::before {
  position: absolute;
  top: 15%;
  right: -20%;
  width: 125%;
  aspect-ratio: 1;
  border: 1px solid rgba(23, 34, 29, 0.25);
  border-radius: 50%;
  content: "";
}

.hero-monogram {
  position: absolute;
  top: 50%;
  left: 50%;
  font-family: var(--serif);
  font-size: clamp(14rem, 27vw, 32rem);
  line-height: 0.8;
  opacity: 0.78;
  transform: translate(-50%, -50%);
}

.hero-panel p,
.hero-number {
  z-index: 1;
  margin: 0;
  font-family: var(--serif);
  font-size: 1.7rem;
  line-height: 1.25;
}

.hero-number {
  position: absolute;
  top: 32px;
  right: 32px;
  font-family: var(--sans);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
}

.scroll-note {
  position: absolute;
  bottom: 40px;
  left: 4vw;
  color: rgba(243, 240, 233, 0.45);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transform: rotate(-90deg) translateY(-100%);
  transform-origin: left bottom;
}

.section {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) 5fr;
  padding: 130px 6vw;
}

.section-label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: rgba(23, 34, 29, 0.55);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-label p {
  margin: 0;
}

.section-label span {
  font-family: var(--serif);
  font-size: 0.8rem;
}

.about {
  border-bottom: 1px solid var(--line);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 8vw;
}

.about h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(4.5rem, 9vw, 10rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.85;
}

.about-copy {
  padding-top: 10px;
}

.about-copy p {
  margin: 0 0 24px;
  color: rgba(23, 34, 29, 0.7);
  font-size: 0.98rem;
  line-height: 1.8;
}

.about-copy .lead {
  margin-bottom: 36px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.8rem, 2.7vw, 3rem);
  line-height: 1.17;
}

.expertise {
  background: var(--cream);
}

.expertise-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  border-top: 1px solid var(--line);
  padding: 42px 0;
}

.expertise-item:last-child {
  border-bottom: 1px solid var(--line);
}

.item-number {
  padding-top: 9px;
  font-family: var(--serif);
  font-size: 0.8rem;
}

.expertise-item div {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 6vw;
}

.expertise-item h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 4.3rem);
  font-weight: 400;
  letter-spacing: -0.035em;
}

.expertise-item p {
  max-width: 480px;
  margin: 6px 0 0;
  color: rgba(23, 34, 29, 0.7);
  font-size: 0.92rem;
  line-height: 1.75;
}

.principles {
  min-height: 80vh;
  background: var(--forest);
  color: var(--paper);
}

.section-label.light {
  color: rgba(243, 240, 233, 0.5);
}

.principles-content {
  display: grid;
  grid-template-columns: 1.5fr 0.7fr;
  align-items: end;
  gap: 8vw;
}

blockquote {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.2rem, 5.5vw, 6.5rem);
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.principles-list {
  border-top: 1px solid rgba(243, 240, 233, 0.2);
}

.principles-list p {
  display: grid;
  grid-template-columns: 40px 1fr;
  border-bottom: 1px solid rgba(243, 240, 233, 0.2);
  margin: 0;
  padding: 20px 0;
  font-size: 0.82rem;
}

.principles-list span {
  color: var(--sage);
  font-family: var(--serif);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  padding: 36px 4vw;
  background: var(--forest);
  color: rgba(243, 240, 233, 0.55);
  font-size: 0.68rem;
}

.footer-brand {
  color: var(--paper);
}

.site-footer p {
  margin: 0;
}

.site-footer p:last-child {
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

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

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

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

@media (max-width: 860px) {
  .site-header {
    position: fixed;
    background: rgba(18, 33, 27, 0.94);
    backdrop-filter: blur(10px);
  }

  .menu-toggle {
    display: grid;
    width: 42px;
    height: 42px;
    place-content: center;
    gap: 5px;
    border: 0;
    background: transparent;
    color: inherit;
  }

  .menu-toggle > span:not(.sr-only) {
    display: block;
    width: 22px;
    height: 1px;
    background: currentColor;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 10px 4vw 24px;
    background: rgba(18, 33, 27, 0.98);
  }

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

  .site-nav a {
    border-top: 1px solid rgba(243, 240, 233, 0.12);
    padding: 16px 0;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    min-height: 82svh;
    padding: 150px 7vw 80px;
  }

  .hero h1 {
    font-size: clamp(3.8rem, 14vw, 6.5rem);
  }

  .hero-panel {
    min-height: 56svh;
    padding: 50px 7vw;
  }

  .scroll-note {
    display: none;
  }

  .section {
    grid-template-columns: 1fr;
    gap: 55px;
    padding: 90px 7vw;
  }

  .about-grid,
  .principles-content {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .about h2 {
    font-size: clamp(4.2rem, 21vw, 7rem);
  }

  .expertise-item div {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .principles {
    min-height: auto;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 50px 7vw;
  }

  .site-footer p:last-child {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding: 18px 5vw;
  }

  .brand > span:last-child {
    display: none;
  }

  .hero-copy {
    padding-right: 6vw;
    padding-left: 6vw;
  }

  .hero h1 {
    font-size: clamp(3.5rem, 17.5vw, 5rem);
  }

  .expertise-item {
    grid-template-columns: 44px 1fr;
  }

  blockquote {
    font-size: clamp(2.9rem, 13vw, 4.5rem);
  }
}