:root {
  --pine-950: #06150e;
  --pine-900: #0a1b12;
  --pine-850: #102318;
  --pine-800: #14291d;
  --forest: #20422c;
  --ivory: #f2eedf;
  --paper: #e7e0ce;
  --paper-deep: #d8d0bc;
  --gold: #d0a036;
  --gold-light: #e0bc65;
  --ink: #142018;
  --muted: #879085;
  --line-dark: rgba(242, 238, 223, 0.16);
  --line-light: rgba(20, 32, 24, 0.2);
  --serif: "Playfair Display", "Iowan Old Style", Baskerville, Georgia, serif;
  --sans: "DM Sans", "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --page: min(92vw, 1280px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--pine-950);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

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

:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  transform: translateY(-180%);
  background: var(--ivory);
  color: var(--pine-950);
  padding: 0.65rem 1rem;
  font-weight: 700;
}

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

.page-width {
  width: var(--page);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 6.5rem;
  padding-inline: max(4vw, 1.25rem);
  border-bottom: 1px solid transparent;
  transition:
    min-height 220ms ease,
    background-color 220ms ease,
    border-color 220ms ease,
    backdrop-filter 220ms ease;
}

.site-header.is-scrolled {
  min-height: 5.15rem;
  background: rgba(6, 21, 14, 0.9);
  border-bottom-color: var(--line-dark);
  backdrop-filter: blur(18px);
}

.brand {
  justify-self: start;
  width: 9.2rem;
}

.brand img {
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3.4rem);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  color: rgba(242, 238, 223, 0.78);
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.45rem;
  left: 0;
  height: 1px;
  content: "";
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

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

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  display: flex;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -3;
  background: var(--pine-950);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.88;
  transform: scale(1.02);
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(4, 17, 11, 0.96) 0%, rgba(4, 17, 11, 0.82) 42%, rgba(4, 17, 11, 0.15) 78%),
    linear-gradient(180deg, rgba(4, 17, 11, 0.62) 0%, transparent 42%, rgba(4, 17, 11, 0.83) 100%);
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: 19%;
  right: -10vw;
  width: min(44vw, 42rem);
  aspect-ratio: 1;
  border: 1px solid rgba(208, 160, 54, 0.24);
  border-radius: 50%;
  content: "";
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 0.38fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: end;
  padding-block: clamp(9.5rem, 17vh, 13rem) clamp(8.5rem, 15vh, 11rem);
}

.hero-copy {
  max-width: 50rem;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.35rem;
  color: var(--gold-light);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 2.2rem;
  height: 1px;
  content: "";
  background: currentColor;
}

.eyebrow-dark {
  color: #80601d;
}

.hero h1,
.section-heading h2,
.approach h2,
.fieldwork h2,
.closing h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.045em;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(4.2rem, 8.2vw, 7.8rem);
  line-height: 0.89;
}

h1 em,
h2 em {
  color: var(--gold-light);
  font-weight: 400;
}

.hero-intro {
  max-width: 38rem;
  margin: clamp(1.8rem, 4vh, 3rem) 0 0;
  color: rgba(242, 238, 223, 0.78);
  font-size: clamp(1.06rem, 1.5vw, 1.25rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
  align-items: center;
  margin-top: 2.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.35rem;
  padding: 0.9rem 1.45rem;
  border: 1px solid transparent;
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-align: center;
  text-transform: uppercase;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    transform 180ms ease;
}

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

.button-primary {
  background: var(--gold);
  color: var(--pine-950);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--gold-light);
}

.text-link {
  display: inline-flex;
  gap: 0.7rem;
  align-items: center;
  color: var(--ivory);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.text-link span {
  color: var(--gold-light);
  font-size: 1.1rem;
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translate(3px, 3px);
}

.hero-system {
  align-self: end;
  margin-bottom: 0.5rem;
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(8, 26, 17, 0.62);
  backdrop-filter: blur(10px);
}

.hero-system > p {
  margin: 0;
  padding: 1.15rem 1.2rem;
  border-bottom: 1px solid var(--line-dark);
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 1.05rem;
}

.system-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0;
  padding: 0;
  list-style: none;
}

.system-item {
  position: relative;
  min-height: 7.3rem;
  overflow: hidden;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.system-item:nth-child(2n) {
  border-right: 0;
}

.system-item:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.system-item::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 35%, rgba(6, 21, 14, 0.86));
}

.system-item img {
  width: 100%;
  height: 100%;
  min-height: 7.3rem;
  object-fit: cover;
  opacity: 0.78;
  filter: saturate(0.72) contrast(1.08);
  transition:
    opacity 220ms ease,
    transform 450ms ease;
}

.system-item:hover img {
  opacity: 0.96;
  transform: scale(1.05);
}

.system-item span {
  position: absolute;
  z-index: 1;
  right: 0.9rem;
  bottom: 0.7rem;
  left: 0.9rem;
  color: var(--ivory);
  font-family: var(--serif);
  font-size: 1.02rem;
}

.system-item-soil img {
  object-position: 50% 74%;
}

.system-item-crop img {
  object-position: 53% 58%;
}

.system-item-climate img {
  object-position: 55% 34%;
}

.system-item-people img {
  object-position: 40% 52%;
}

.hero-foot {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-block: 1.15rem;
  border-top: 1px solid var(--line-dark);
  color: rgba(242, 238, 223, 0.45);
  font-size: 0.67rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.hero-foot span:nth-child(2) {
  text-align: center;
}

.hero-foot span:last-child {
  text-align: right;
}

.signal-strip {
  background: var(--gold);
  color: var(--pine-950);
}

.signal-strip .page-width {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  gap: clamp(1rem, 4vw, 4rem);
  align-items: center;
  min-height: 6.3rem;
}

.signal-strip span {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.4vw, 2.35rem);
  font-style: italic;
}

.signal-strip i {
  height: 1px;
  background: rgba(6, 21, 14, 0.35);
}

.section-light {
  background: var(--ivory);
  color: var(--ink);
}

.section-dark {
  background: var(--pine-900);
  color: var(--ivory);
}

.perspective {
  padding-block: clamp(6rem, 12vw, 11rem);
}

.perspective-grid {
  display: grid;
  grid-template-columns: 1.18fr 0.72fr;
  gap: clamp(4rem, 10vw, 10rem);
  align-items: start;
}

.section-heading h2 {
  max-width: 12ch;
  font-size: clamp(3.2rem, 6vw, 6.25rem);
  line-height: 0.98;
}

.section-heading h2 em {
  display: block;
  margin-top: 0.2em;
  color: #916c1c;
}

.perspective-copy {
  padding-top: clamp(2rem, 8vw, 7rem);
}

.perspective-copy > p,
.fieldwork-copy > p {
  color: #546057;
}

.perspective-copy .lead,
.fieldwork-copy .lead {
  color: var(--ink);
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  line-height: 1.6;
}

blockquote {
  position: relative;
  margin: 4rem 0 0;
  padding: 2rem 0 0 2.25rem;
  border-top: 1px solid var(--line-light);
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 3.1rem);
  line-height: 1.08;
}

blockquote > span {
  position: absolute;
  top: 1.55rem;
  left: 0;
  color: var(--gold);
}

blockquote em {
  display: block;
  color: #916c1c;
}

.plant-quote {
  font-size: clamp(1.75rem, 2.65vw, 2.75rem);
}

.approach {
  position: relative;
  padding-block: clamp(6rem, 11vw, 10rem);
  overflow: hidden;
}

.approach::after {
  position: absolute;
  right: -20rem;
  bottom: -28rem;
  width: 48rem;
  height: 48rem;
  border: 1px solid rgba(208, 160, 54, 0.16);
  border-radius: 50%;
  content: "";
}

.approach-intro {
  display: grid;
  grid-template-columns: 1fr 0.55fr;
  gap: 3rem;
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

.approach h2 {
  max-width: 9ch;
  font-size: clamp(3rem, 5vw, 5.4rem);
  line-height: 0.98;
}

.approach-intro > p {
  max-width: 30rem;
  margin: 0 0 0.5rem;
  color: rgba(242, 238, 223, 0.62);
  font-size: 1.05rem;
}

.principle-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--line-dark);
}

.principle-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 30rem;
  padding: 0;
  overflow: hidden;
  border-right: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.018);
  transition: background-color 200ms ease;
}

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

.principle-card:hover {
  background: rgba(208, 160, 54, 0.055);
}

.principle-image {
  aspect-ratio: 4 / 3;
  margin: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--line-dark);
  background: var(--pine-850);
}

.principle-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.83;
  filter: saturate(0.75) contrast(1.06);
  transition:
    opacity 220ms ease,
    transform 500ms ease;
}

.principle-card:hover .principle-image img {
  opacity: 1;
  transform: scale(1.035);
}

.principle-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 14.5rem;
  padding: 2rem clamp(1.5rem, 3vw, 2.8rem) 2.4rem;
}

.principle-card h3 {
  margin: 0 0 1.15rem;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 2.5vw, 2.7rem);
  font-weight: 500;
  line-height: 1.05;
}

.principle-card p {
  max-width: 26rem;
  margin: 0;
  color: rgba(242, 238, 223, 0.64);
}

.fieldwork {
  padding-block: clamp(6rem, 12vw, 11rem);
}

.fieldwork-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(20rem, 0.72fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.field-image {
  position: relative;
  margin: 0;
}

.field-image::before {
  position: absolute;
  z-index: 1;
  top: -1.25rem;
  right: -1.25rem;
  width: 33%;
  height: 38%;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  content: "";
  pointer-events: none;
}

.field-image-frame {
  position: relative;
  overflow: hidden;
}

.field-image-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: 50% center;
  filter: saturate(0.82) contrast(1.03);
}

.field-image figcaption {
  display: grid;
  grid-template-columns: minmax(9rem, 0.36fr) 1fr;
  gap: 1.5rem;
  align-items: start;
  margin-top: 1.2rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line-light);
}

.field-image figcaption span {
  color: #80601d;
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.field-image figcaption p {
  max-width: 34rem;
  margin: 0;
  color: #546057;
  font-size: 0.95rem;
  line-height: 1.55;
}

.fieldwork h2 {
  max-width: 10ch;
  font-size: clamp(3rem, 5vw, 5.25rem);
  line-height: 0.98;
}

.fieldwork-copy .lead {
  margin-top: 2rem;
}

.field-notes {
  margin: 3rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line-light);
  list-style: none;
}

.field-notes li {
  display: block;
  padding-block: 1.2rem;
  border-bottom: 1px solid var(--line-light);
}

.field-notes strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
}

.field-notes p {
  margin: 0.3rem 0 0;
  color: #667068;
  font-size: 0.94rem;
}

.closing {
  position: relative;
  padding-block: clamp(7rem, 14vw, 13rem);
  overflow: hidden;
  text-align: center;
}

.closing-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(64vw, 56rem);
  aspect-ratio: 1;
  border: 1px solid rgba(208, 160, 54, 0.22);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.closing-orbit::before,
.closing-orbit::after {
  position: absolute;
  top: 50%;
  left: 50%;
  aspect-ratio: 1;
  border: 1px solid rgba(208, 160, 54, 0.1);
  border-radius: 50%;
  content: "";
  transform: translate(-50%, -50%);
}

.closing-orbit::before {
  width: 68%;
}

.closing-orbit::after {
  width: 34%;
}

.closing-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.closing .eyebrow {
  justify-content: center;
}

.closing h2 {
  max-width: 11ch;
  font-size: clamp(3.6rem, 7vw, 7.4rem);
  line-height: 0.93;
}

.closing h2 em {
  display: block;
}

.closing-inner > p:not(.eyebrow) {
  max-width: 38rem;
  margin: 2.5rem auto;
  color: rgba(242, 238, 223, 0.65);
  font-size: 1.05rem;
}

.site-footer {
  border-top: 1px solid var(--line-dark);
  background: var(--pine-950);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  min-height: 10rem;
}

.footer-brand {
  width: 8.6rem;
}

.footer-grid > p {
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
  text-align: center;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  color: rgba(242, 238, 223, 0.45);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

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

.reveal-delay {
  transition-delay: 110ms;
}

.reveal-later {
  transition-delay: 220ms;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .menu-toggle {
    display: inline-flex;
    gap: 0.65rem;
    align-items: center;
    justify-self: end;
    border: 0;
    background: transparent;
    color: var(--ivory);
    font: inherit;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .menu-toggle i,
  .menu-toggle i::before {
    display: block;
    width: 1.5rem;
    height: 1px;
    background: currentColor;
    content: "";
    transition: transform 180ms ease;
  }

  .menu-toggle i::before {
    transform: translateY(-0.38rem);
  }

  .menu-toggle[aria-expanded="true"] i {
    transform: rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] i::before {
    transform: rotate(-90deg);
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: -1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.2rem;
    padding: 7rem 7vw;
    visibility: hidden;
    background: var(--pine-950);
    opacity: 0;
    transition:
      opacity 200ms ease,
      visibility 200ms ease;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
  }

  .site-nav a {
    font-family: var(--serif);
    font-size: clamp(2.8rem, 10vw, 5rem);
    letter-spacing: -0.03em;
    text-transform: none;
  }

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

  .hero-system {
    max-width: 31rem;
  }

  .perspective-grid,
  .approach-intro,
  .fieldwork-grid {
    grid-template-columns: 1fr;
  }

  .perspective-copy {
    max-width: 38rem;
    padding-top: 0;
  }

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

  .principle-card {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

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

  .fieldwork-grid {
    gap: 4rem;
  }

  .field-image {
    width: min(100%, 42rem);
    margin-left: auto;
  }

  .fieldwork-copy {
    max-width: 42rem;
  }

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

  .footer-grid > p {
    display: none;
  }
}

@media (max-width: 640px) {
  :root {
    --page: min(89vw, 34rem);
  }

  .site-header {
    min-height: 5.4rem;
    padding-inline: 5.5vw;
  }

  .site-header.is-scrolled {
    min-height: 4.8rem;
  }

  .brand {
    width: 7.4rem;
  }

  .hero {
    min-height: 56rem;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(4, 17, 11, 0.94), rgba(4, 17, 11, 0.5)),
      linear-gradient(180deg, rgba(4, 17, 11, 0.68) 0%, rgba(4, 17, 11, 0.35) 43%, rgba(4, 17, 11, 0.94) 100%);
  }

  .hero-media img {
    object-position: 61% center;
  }

  .hero-inner {
    gap: 2.8rem;
    align-content: center;
    padding-block: 8.3rem 8rem;
  }

  .hero h1 {
    font-size: clamp(3.65rem, 18vw, 5.2rem);
  }

  .hero-intro {
    line-height: 1.55;
  }

  .hero-system {
    width: 100%;
    margin: 0;
  }

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

  .hero-foot span:nth-child(2) {
    text-align: right;
  }

  .hero-foot span:last-child {
    display: none;
  }

  .signal-strip .page-width {
    grid-template-columns: 1fr;
    gap: 0;
    padding-block: 1.4rem;
    text-align: center;
  }

  .signal-strip i {
    width: 2.5rem;
    margin: 0.25rem auto;
  }

  .perspective,
  .approach,
  .fieldwork {
    padding-block: 5.2rem;
  }

  .perspective-grid {
    gap: 3rem;
  }

  .section-heading h2,
  .approach h2,
  .fieldwork h2 {
    font-size: clamp(2.8rem, 14vw, 4.2rem);
  }

  blockquote {
    margin-top: 3rem;
    font-size: 1.85rem;
  }

  .approach-intro {
    gap: 1.5rem;
  }

  .principle-card {
    min-height: 20rem;
  }

  .field-image::before {
    top: -0.7rem;
    right: -0.7rem;
  }

  .field-image figcaption {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .closing {
    padding-block: 7rem;
  }

  .closing-orbit {
    width: 105vw;
  }

  .closing h2 {
    font-size: clamp(3.4rem, 17vw, 5rem);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    min-height: 13rem;
    padding-block: 2rem;
  }

  .footer-brand {
    width: 8rem;
  }

  .footer-meta {
    align-items: flex-start;
  }
}

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

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

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