:root {
  --petrol: #0b2829;
  --silver: #dfe2df;
  --pearl: #f2f0e9;
  --wine: #681d31;
  --copper: #b56b46;
  --black: #111514;
  --line: rgba(17, 21, 20, .26);
  --pad: clamp(1rem, 3.4vw, 4rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--pearl); color: var(--black); font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.55; overflow-x: hidden; }
img { display: block; width: 100%; height: auto; }
a { color: inherit; }
button { color: inherit; font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: .95; letter-spacing: -.055em; }
em { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.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; }
.skip-link { position: fixed; z-index: 100; left: 1rem; top: -5rem; padding: .75rem 1rem; background: var(--pearl); }
.skip-link:focus { top: 1rem; }

.header { position: absolute; inset: 0 0 auto; z-index: 20; display: flex; justify-content: space-between; align-items: center; padding: 1rem var(--pad); color: var(--pearl); }
.identity { display: flex; align-items: center; gap: .8rem; text-decoration: none; text-transform: uppercase; letter-spacing: .12em; font-size: .62rem; line-height: 1.2; }
.identity > span { display: grid; place-items: center; width: 3.1rem; aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; font-family: Georgia, serif; letter-spacing: 0; font-size: .85rem; }
.nav { display: flex; gap: clamp(1rem, 3vw, 3.2rem); }
.nav a { text-decoration: none; text-transform: uppercase; letter-spacing: .14em; font-size: .64rem; border-bottom: 1px solid transparent; padding-bottom: .2rem; }
.nav a:hover { border-color: currentColor; }
.menu { display: none; border: 0; background: transparent; padding: .5rem; }

.hero { min-height: 100svh; background: var(--black); color: var(--pearl); position: relative; overflow: hidden; }
.hero__image { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.hero__shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,12,11,.15), rgba(8,12,11,.86) 68%, rgba(8,12,11,.96)); }
.hero__copy { position: relative; z-index: 2; width: 52%; margin-left: auto; padding: clamp(9rem, 17vh, 13rem) var(--pad) 6rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .17em; font-size: .64rem; font-weight: 700; }
.hero h1 { font-size: clamp(4.3rem, 10vw, 12rem); margin: 2rem 0 3rem; }
.hero h1 em { color: var(--copper); }
.hero__lead { max-width: 35rem; margin-left: clamp(0rem, 7vw, 8rem); color: rgba(242,240,233,.76); font-size: clamp(1rem, 1.35vw, 1.23rem); }
.hero__scroll { position: absolute; z-index: 3; left: var(--pad); bottom: 2rem; display: flex; align-items: center; gap: 1rem; text-decoration: none; text-transform: uppercase; letter-spacing: .15em; font-size: .64rem; }
.hero__scroll b { display: grid; place-items: center; width: 3.5rem; aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; font-size: 1rem; }
.hero__coordinates { position: absolute; z-index: 3; right: var(--pad); bottom: 2rem; display: flex; gap: 2rem; color: rgba(242,240,233,.5); text-transform: uppercase; letter-spacing: .15em; font-size: .55rem; }

.intro { min-height: 82svh; padding: clamp(5rem, 10vw, 11rem) var(--pad); background: var(--silver); position: relative; display: grid; grid-template-columns: .5fr 1.5fr; align-content: center; overflow: hidden; }
.intro > p { text-transform: uppercase; letter-spacing: .15em; font-size: .65rem; }
.intro h2 { font-size: clamp(3.5rem, 7.5vw, 8.8rem); margin: 0; position: relative; z-index: 2; }
.intro h2 em { color: var(--wine); }
.intro__orbit { position: absolute; right: -12vw; top: 2rem; width: min(50vw, 45rem); aspect-ratio: 1; border: 1px solid var(--copper); border-radius: 50%; }
.intro__orbit span { position: absolute; left: 12%; top: 47%; width: 76%; height: 1px; background: var(--copper); transform: rotate(-24deg); }

.systems { padding: clamp(5rem, 9vw, 10rem) var(--pad); background: var(--pearl); }
.section-title { display: grid; grid-template-columns: .5fr 1.5fr; align-items: end; }
.section-title > p { text-transform: uppercase; letter-spacing: .15em; font-size: .64rem; }
.section-title h2 { margin: 0; font-size: clamp(4rem, 8vw, 9rem); }
.section-title h2 em { color: var(--petrol); }
.systems__grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: clamp(4rem, 8vw, 8rem); border-left: 1px solid var(--black); border-top: 1px solid var(--black); }
.system { min-height: 38rem; padding: 1.5rem; border-right: 1px solid var(--black); border-bottom: 1px solid var(--black); display: flex; flex-direction: column; }
.system__index { font-family: Georgia, serif; font-size: 1.3rem; }
.system__diagram { width: 12rem; aspect-ratio: 1; margin: 3rem auto; position: relative; }
.system__diagram i { position: absolute; display: block; }
.system--vein .system__diagram { border-radius: 100% 0 100% 0; border: 1px solid var(--wine); transform: rotate(-12deg); }
.system--vein .system__diagram i { width: 1px; height: 85%; left: 50%; top: 8%; background: var(--wine); }
.system--vein .system__diagram i:nth-child(2) { height: 55%; transform: rotate(55deg); transform-origin: bottom; }
.system--vein .system__diagram i:nth-child(3) { height: 50%; transform: rotate(-55deg); transform-origin: bottom; }
.system--petal .system__diagram { border-radius: 55% 45% 50% 50%; background: var(--copper); transform: rotate(18deg); }
.system--petal .system__diagram i { inset: 18%; border: 1px solid var(--pearl); border-radius: inherit; }
.system--seed .system__diagram { border-radius: 50%; border: 1px solid var(--petrol); }
.system--seed .system__diagram i { width: 50%; height: 1px; top: 50%; left: 50%; background: var(--petrol); transform-origin: left; }
.system--seed .system__diagram i:nth-child(1) { transform: rotate(-22deg); }
.system--seed .system__diagram i:nth-child(2) { transform: rotate(18deg); }
.system--seed .system__diagram i:nth-child(3) { transform: rotate(55deg); }
.system h3 { margin: auto 0 1rem; font-family: Georgia, serif; font-size: clamp(2.6rem, 4vw, 4.7rem); font-weight: 400; }
.system p { max-width: 28rem; }
.system small { margin-top: 1.5rem; padding-top: .7rem; border-top: 1px solid var(--line); text-transform: uppercase; letter-spacing: .13em; font-size: .58rem; }

.materials { display: grid; grid-template-columns: 1.1fr .9fr; background: var(--petrol); color: var(--pearl); }
.materials__image { margin: 0; min-height: 58rem; position: relative; }
.materials__image img { height: 100%; object-fit: cover; }
.materials__image figcaption { position: absolute; left: 1.3rem; bottom: 1.3rem; padding: .55rem .75rem; background: var(--wine); color: var(--pearl); text-transform: uppercase; letter-spacing: .13em; font-size: .58rem; }
.materials__copy { padding: clamp(4rem, 8vw, 9rem) var(--pad); }
.materials__copy h2 { font-size: clamp(3.7rem, 6.5vw, 7.3rem); margin: 2rem 0 3rem; }
.materials__copy h2 em { color: var(--copper); }
.materials__copy > p:not(.eyebrow) { max-width: 34rem; color: rgba(242,240,233,.75); }
.materials dl { margin: 4rem 0 0; border-top: 1px solid rgba(242,240,233,.3); }
.materials dl div { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid rgba(242,240,233,.3); }
.materials dt { font-family: Georgia, serif; color: var(--copper); }
.materials dd { margin: 0; display: flex; flex-direction: column; }
.materials dd b { font-size: 1.1rem; }
.materials dd span { color: rgba(242,240,233,.65); font-size: .85rem; }

.contrast { padding: clamp(5rem, 9vw, 9rem) var(--pad); background: var(--copper); color: var(--black); }
.contrast > p:first-child { text-transform: uppercase; letter-spacing: .15em; font-size: .64rem; }
.contrast__words { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; margin: 4rem 0; font-size: clamp(4rem, 10vw, 11rem); line-height: .9; letter-spacing: -.07em; }
.contrast__words span:last-child { text-align: right; font-family: Georgia, serif; color: var(--wine); }
.contrast__words i { font-style: normal; font-size: clamp(2rem, 4vw, 4rem); }
.contrast__note { max-width: 37rem; margin: 0 auto; text-align: center; }

.air { min-height: 100svh; position: relative; color: var(--pearl); background: var(--black); overflow: hidden; }
.air > img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.air::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,15,15,.9), rgba(5,15,15,.08) 70%); }
.air__overlay { position: relative; z-index: 2; width: 55%; min-height: 100svh; padding: clamp(7rem, 14vh, 11rem) var(--pad) 5rem; display: flex; flex-direction: column; justify-content: center; }
.air__overlay h2 { font-size: clamp(4rem, 8vw, 9rem); margin: 2rem 0 3rem; }
.air__overlay h2 em { color: var(--copper); }
.air__overlay > p:last-child { max-width: 34rem; color: rgba(242,240,233,.75); }
.air__legend { position: absolute; z-index: 3; left: var(--pad); right: var(--pad); bottom: 2rem; display: flex; justify-content: space-between; border-top: 1px solid rgba(242,240,233,.5); padding-top: .7rem; font-size: .58rem; letter-spacing: .14em; }

.language { padding: clamp(5rem, 9vw, 10rem) var(--pad); background: var(--silver); }
.language header { display: grid; grid-template-columns: .5fr 1.5fr; align-items: end; }
.language header > p { text-transform: uppercase; letter-spacing: .15em; font-size: .64rem; }
.language header h2 { font-size: clamp(4rem, 8vw, 9rem); margin: 0; }
.language header h2 em { color: var(--wine); }
.language__grid { display: grid; grid-template-columns: 1fr 1fr; margin-top: clamp(4rem, 8vw, 8rem); border-top: 1px solid var(--black); border-left: 1px solid var(--black); }
.language__grid article { min-height: 19rem; padding: 1.5rem; border-right: 1px solid var(--black); border-bottom: 1px solid var(--black); display: flex; flex-direction: column; }
.language__grid span { font-family: Georgia, serif; color: var(--wine); }
.language__grid h3 { margin: auto 0 1rem; font-family: Georgia, serif; font-size: clamp(2.2rem, 4vw, 4.2rem); font-weight: 400; }
.language__grid p { max-width: 30rem; margin: 0; }

.principles { background: var(--wine); color: var(--pearl); padding: clamp(5rem, 9vw, 10rem) var(--pad); display: grid; grid-template-columns: .5fr 1.1fr .9fr; gap: clamp(2rem, 5vw, 6rem); }
.principles__mark { width: clamp(7rem, 15vw, 14rem); aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; position: relative; }
.principles__mark span { position: absolute; font-family: Georgia, serif; font-size: clamp(3rem, 7vw, 6rem); }
.principles__mark span:first-child { left: 20%; top: 10%; }
.principles__mark span:last-child { right: 20%; bottom: 10%; color: var(--copper); }
.principles__copy h2 { font-size: clamp(4rem, 7vw, 8rem); margin: 2rem 0 3rem; }
.principles__copy h2 em { color: var(--copper); }
.principles__copy > p:last-child { max-width: 38rem; }
.principles ol { list-style: none; padding: 0; margin: 3rem 0 0; }
.principles li { display: grid; grid-template-columns: 2.5rem 1fr; gap: 1rem; padding: 1.4rem 0; border-top: 1px solid rgba(242,240,233,.35); }
.principles li > span { font-family: Georgia, serif; color: var(--copper); }
.principles li h3 { font-size: 1.05rem; margin: .1rem 0 .6rem; letter-spacing: -.02em; }
.principles li p { margin: 0; color: rgba(242,240,233,.7); }

.closing { min-height: 82svh; padding: clamp(5rem, 9vw, 10rem) var(--pad); background: var(--pearl); display: flex; flex-direction: column; justify-content: center; }
.closing > p { text-transform: uppercase; letter-spacing: .16em; font-size: .64rem; }
.closing h2 { font-size: clamp(5rem, 12vw, 14rem); margin: 3rem 0; }
.closing h2 em { color: var(--petrol); }
.closing a { width: max-content; text-transform: uppercase; letter-spacing: .14em; font-size: .66rem; text-underline-offset: .45rem; }

.footer { padding: 4rem var(--pad) 2rem; background: var(--petrol); color: var(--pearl); display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.footer__brand { display: flex; align-items: center; gap: 1rem; text-transform: uppercase; letter-spacing: .09em; font-size: .7rem; }
.footer__brand > span { display: grid; place-items: center; width: 4rem; aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; font-family: Georgia, serif; }
.footer__about { max-width: 38rem; color: rgba(242,240,233,.7); }
.footer__legal { display: flex; flex-wrap: wrap; gap: .7rem 1.5rem; }
.footer__legal button { padding: 0 0 .2rem; border: 0; border-bottom: 1px solid currentColor; background: transparent; cursor: pointer; font-size: .78rem; }
.footer__copy { text-align: right; font-size: .75rem; color: rgba(242,240,233,.55); }

.legal { width: min(780px, calc(100vw - 2rem)); max-height: calc(100vh - 2rem); border: 0; padding: 0; background: var(--pearl); color: var(--black); box-shadow: 0 2rem 8rem rgba(0,0,0,.5); }
.legal::backdrop { background: rgba(6,16,16,.78); backdrop-filter: blur(5px); }
.legal header { position: sticky; top: 0; z-index: 1; display: flex; justify-content: space-between; align-items: center; padding: .8rem 1rem; background: var(--wine); color: var(--pearl); }
.legal header p { margin: 0; text-transform: uppercase; letter-spacing: .14em; font-size: .62rem; }
.legal header button { border: 0; background: transparent; color: inherit; font-size: 2rem; line-height: 1; cursor: pointer; }
.legal article { padding: clamp(1.5rem, 5vw, 4rem); }
.legal h2 { font-size: clamp(2.4rem, 5vw, 4.5rem); }
.legal h3 { margin: 2rem 0 .6rem; font-size: 1.05rem; letter-spacing: -.02em; }
.legal p { line-height: 1.65; }
.legal-date { color: #686863; font-size: .8rem; }

@media (max-width: 960px) {
  .menu { display: grid; gap: 6px; position: relative; z-index: 2; }
  .menu span:not(.sr-only) { display: block; width: 1.8rem; height: 1px; background: currentColor; }
  .nav { position: fixed; inset: 0; background: var(--wine); color: var(--pearl); flex-direction: column; justify-content: center; padding: 7rem var(--pad) 3rem; transform: translateY(-105%); transition: transform .35s ease; }
  .nav.is-open { transform: translateY(0); }
  .nav a { font-family: Georgia, serif; font-size: clamp(2.5rem, 9vw, 5rem); text-transform: none; letter-spacing: -.03em; }
  .hero__shade { background: linear-gradient(0deg, rgba(8,12,11,.94), rgba(8,12,11,.2) 80%); }
  .hero__copy { width: 100%; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; padding-bottom: 7rem; }
  .hero__lead { margin-left: 0; }
  .systems__grid { grid-template-columns: 1fr; }
  .system { min-height: 28rem; }
  .materials { grid-template-columns: 1fr; }
  .materials__image { min-height: 70svh; }
  .air__overlay { width: 70%; }
  .principles { grid-template-columns: .4fr 1.6fr; }
  .principles ol { grid-column: 2; }
}

@media (max-width: 620px) {
  .hero__copy { padding-top: 8rem; }
  .hero h1 { font-size: clamp(4.2rem, 20vw, 6.8rem); }
  .hero__coordinates { display: none; }
  .intro, .section-title, .language header { grid-template-columns: 1fr; gap: 2rem; }
  .intro__orbit { width: 28rem; right: -15rem; }
  .system__diagram { width: 9rem; }
  .materials__image { min-height: 58svh; }
  .contrast__words { grid-template-columns: 1fr; gap: 1rem; }
  .contrast__words span:last-child { text-align: left; }
  .contrast__words i { transform: rotate(90deg); width: max-content; }
  .air__overlay { width: 100%; justify-content: flex-end; padding-bottom: 7rem; background: linear-gradient(0deg, rgba(5,15,15,.88), transparent); }
  .language__grid { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
  .principles__mark { width: 7rem; }
  .principles ol { grid-column: 1; }
  .footer { grid-template-columns: 1fr; gap: 2rem; }
  .footer__copy { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}