:root {
  --ink: #181b1a;
  --paper: #f1ead9;
  --cream: #fff8e9;
  --orange: #ef6f3c;
  --blue: #1449c8;
  --sand: #cfb675;
  --line: rgba(24, 27, 26, .26);
  --pad: clamp(1rem, 3vw, 3.5rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, Arial, 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 { font-weight: 500; line-height: .98; }
i { 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; left: 1rem; top: -4rem; z-index: 100; background: var(--cream); padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 20; display: flex; align-items: center; justify-content: space-between; padding: 1rem var(--pad); color: var(--cream); mix-blend-mode: difference; }
.wordmark { display: flex; align-items: center; gap: .7rem; text-decoration: none; font-size: .72rem; line-height: 1.15; letter-spacing: .04em; text-transform: uppercase; }
.wordmark__stamp { display: grid; place-items: center; width: 2.5rem; aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; font-family: Georgia, "Times New Roman", serif; font-size: 1.15rem; }
.site-nav { display: flex; gap: clamp(1rem, 3vw, 3rem); }
.site-nav a { font-size: .78rem; text-decoration: none; text-transform: uppercase; letter-spacing: .08em; }
.menu-button { display: none; border: 0; background: transparent; padding: .5rem; }

.hero { min-height: 100svh; display: grid; grid-template-columns: 56% 44%; background: var(--orange); color: var(--cream); position: relative; }
.hero__image { background: #6f775e url('images/feogorod-steppe-hero.webp') center / cover no-repeat; min-height: 100svh; clip-path: polygon(0 0, 100% 0, 90% 100%, 0 100%); filter: saturate(.9) contrast(1.05); }
.hero__copy { align-self: center; padding: 7rem var(--pad) 4rem 1rem; position: relative; z-index: 1; }
.kicker { display: flex; justify-content: space-between; max-width: 31rem; border-bottom: 1px solid rgba(255,255,255,.5); padding-bottom: .6rem; margin-bottom: clamp(2rem, 5vw, 5rem); text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; }
.hero h1 { font-size: clamp(3.8rem, 7.5vw, 8.8rem); margin: 0 0 2rem; letter-spacing: -.07em; }
.hero h1 i { color: var(--ink); }
.hero__lead { max-width: 32rem; font-size: clamp(1rem, 1.35vw, 1.25rem); line-height: 1.55; margin-left: clamp(0rem, 8vw, 9rem); }
.round-link { width: 7.5rem; aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; display: flex; justify-content: center; align-items: center; gap: .65rem; margin: 2rem 0 0 auto; text-decoration: none; text-transform: uppercase; font-size: .67rem; letter-spacing: .08em; transition: background .25s, color .25s; }
.round-link:hover { background: var(--cream); color: var(--orange); }
.round-link svg { width: 2rem; fill: none; stroke: currentColor; stroke-width: 1.3; }
.hero__index { position: absolute; left: var(--pad); bottom: 1.5rem; font-size: .7rem; letter-spacing: .12em; }

.manifest { padding: clamp(5rem, 10vw, 11rem) var(--pad); display: grid; grid-template-columns: .55fr 2fr 1fr; gap: 3rem; align-items: start; border-bottom: 1px solid var(--line); }
.manifest__number { font-family: Georgia, "Times New Roman", serif; font-size: clamp(4rem, 9vw, 9rem); color: var(--orange); line-height: .8; }
.eyebrow { text-transform: uppercase; letter-spacing: .15em; font-size: .72rem; font-weight: 700; }
.manifest h2 { font-size: clamp(2.5rem, 5.2vw, 6.2rem); letter-spacing: -.06em; margin: 1.5rem 0 0; max-width: 15ch; }
.manifest__note { border-left: 1px solid var(--line); padding-left: 2rem; max-width: 24rem; margin-top: 3.5rem; }

.atlas { padding: clamp(5rem, 9vw, 10rem) var(--pad); }
.section-label { display: flex; gap: 1.2rem; align-items: flex-start; text-transform: uppercase; font-size: .7rem; letter-spacing: .12em; line-height: 1.4; }
.section-label span { display: grid; place-items: center; width: 2.6rem; aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; }
.section-label p { margin: .2rem 0 0; }
.specimen { margin-top: 4rem; display: grid; grid-template-columns: minmax(18rem, 1.15fr) minmax(18rem, .85fr); gap: clamp(2rem, 7vw, 8rem); align-items: center; }
.specimen__image { position: relative; }
.specimen__image img { aspect-ratio: 1; object-fit: cover; filter: contrast(1.04) saturate(.72); }
.specimen__mark { position: absolute; top: -2rem; right: -2rem; display: grid; place-items: center; width: 5rem; aspect-ratio: 1; background: var(--blue); color: white; border-radius: 50%; font-family: Georgia, "Times New Roman", serif; font-size: 2rem; }
.latin { font-family: Georgia, "Times New Roman", serif; color: var(--blue); font-size: 1.1rem; }
.specimen h3 { font-size: clamp(3rem, 6vw, 6.5rem); letter-spacing: -.065em; margin-bottom: 2rem; }
.specimen__copy > p:not(.latin) { font-size: 1.05rem; max-width: 35rem; }
.specimen dl { margin: 3rem 0 0; border-top: 1px solid var(--line); }
.specimen dl div { display: grid; grid-template-columns: 1fr 1.5fr; padding: .75rem 0; border-bottom: 1px solid var(--line); }
.specimen dt { text-transform: uppercase; font-size: .7rem; letter-spacing: .1em; }
.specimen dd { margin: 0; }
.traits { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: clamp(5rem, 10vw, 11rem); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.traits article { padding: 2rem; min-height: 19rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
.traits article > span { font-size: .72rem; }
.traits h3 { margin: auto 0 1.2rem; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.5rem, 4vw, 4.5rem); }
.traits p { margin: 0; max-width: 28rem; }

.season { background: var(--blue); color: var(--cream); padding: clamp(5rem, 9vw, 10rem) var(--pad); }
.season__head { display: grid; grid-template-columns: .6fr 2fr; align-items: end; }
.season__head h2 { font-size: clamp(3rem, 7vw, 8rem); letter-spacing: -.065em; margin: 0; }
.season__head i { color: var(--sand); }
.season__line { list-style: none; padding: 0; margin: clamp(5rem, 9vw, 10rem) 0 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.season__line li { border-top: 1px solid rgba(255,255,255,.4); padding: 1.5rem 2rem 0 0; position: relative; min-height: 17rem; }
.season__line li + li { padding-left: 1.5rem; }
.season__dot { position: absolute; top: -.45rem; left: 0; width: .85rem; aspect-ratio: 1; background: var(--orange); border-radius: 50%; }
.season__line li + li .season__dot { left: 1.5rem; }
.season__month { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.season__line h3 { margin-top: 5rem; font-family: Georgia, "Times New Roman", serif; font-size: 1.7rem; }
.season__line li > p:last-child { color: rgba(255,255,255,.75); }

.observe { display: grid; grid-template-columns: 1.15fr .85fr; background: var(--cream); }
.observe__photo { position: relative; min-height: 52rem; }
.observe__photo img { height: 100%; object-fit: cover; }
.observe__photo > p { position: absolute; inset: auto 1.5rem 1.5rem; color: white; display: flex; justify-content: space-between; font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; }
.observe__copy { padding: clamp(4rem, 8vw, 9rem) var(--pad); }
.observe__copy h2 { font-size: clamp(3.4rem, 6.7vw, 7.2rem); letter-spacing: -.07em; margin: 2rem 0 4rem; }
.observe__copy h2 i { color: var(--orange); }
.observe__copy ol { list-style: none; padding: 0; margin: 0; }
.observe__copy li { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1.5rem 0; border-top: 1px solid var(--line); }
.observe__copy li > span { font-family: Georgia, "Times New Roman", serif; color: var(--orange); font-size: 1.5rem; }
.observe__copy h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.observe__copy p { margin-bottom: 0; }

.notes { padding: clamp(5rem, 9vw, 10rem) var(--pad); }
.notes__title { display: grid; grid-template-columns: .65fr 2fr; }
.notes__title h2 { font-size: clamp(3rem, 6vw, 7rem); letter-spacing: -.06em; margin: 0 0 4rem; }
.notes__title i { color: var(--blue); }
.note-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--ink); border: 1px solid var(--ink); }
.note-card { min-height: 24rem; padding: clamp(1.5rem, 3vw, 3rem); display: flex; flex-direction: column; }
.note-card > p { font-size: .7rem; text-transform: uppercase; letter-spacing: .13em; }
.note-card h3 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(2rem, 4vw, 4.5rem); max-width: 13ch; margin: auto 0 2rem; }
.note-card > span { max-width: 33rem; }
.note-card--orange { background: var(--orange); color: var(--cream); }
.note-card--blue { background: var(--blue); color: var(--cream); }
.note-card--sand { background: var(--sand); }
.note-card--ink { background: var(--ink); color: var(--cream); }

.closing { min-height: 85svh; padding: clamp(5rem, 9vw, 10rem) var(--pad); background: var(--sand); position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.closing__small { text-transform: uppercase; letter-spacing: .15em; font-size: .7rem; }
.closing h2 { font-size: clamp(4rem, 10vw, 12rem); letter-spacing: -.075em; margin: 3rem 0 0; position: relative; z-index: 1; }
.closing h2 i { color: var(--blue); }
.closing__line { position: absolute; right: -2rem; top: 8%; width: 45vw; fill: none; stroke: var(--orange); stroke-width: 2; transform: rotate(12deg); }

.footer { background: var(--ink); color: var(--cream); padding: 4rem var(--pad) 2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.footer__brand { display: flex; gap: 1rem; align-items: center; }
.footer__brand > span { display: grid; place-items: center; width: 4rem; aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; font-family: Georgia, "Times New Roman", serif; font-size: 2rem; }
.footer__about { max-width: 30rem; }
.footer__legal { display: flex; flex-wrap: wrap; gap: .6rem 1.5rem; }
.footer__legal button { border: 0; border-bottom: 1px solid currentColor; background: transparent; padding: 0 0 .15rem; cursor: pointer; font-size: .8rem; }
.footer__copy { text-align: right; color: rgba(255,255,255,.6); font-size: .75rem; }

.legal-dialog { width: min(780px, calc(100vw - 2rem)); max-height: calc(100vh - 2rem); border: 0; padding: 0; background: var(--cream); color: var(--ink); box-shadow: 0 2rem 7rem rgba(0,0,0,.4); }
.legal-dialog::backdrop { background: rgba(12,15,14,.72); backdrop-filter: blur(5px); }
.legal-dialog__bar { position: sticky; top: 0; display: flex; align-items: center; justify-content: space-between; background: var(--blue); color: white; padding: .8rem 1rem; z-index: 1; }
.legal-dialog__bar p { margin: 0; text-transform: uppercase; letter-spacing: .12em; font-size: .68rem; }
.legal-dialog__bar button { border: 0; background: transparent; color: white; font-size: 2rem; line-height: 1; cursor: pointer; }
.legal-dialog article { padding: clamp(1.5rem, 5vw, 4rem); }
.legal-dialog h2 { font-size: clamp(2.2rem, 5vw, 4rem); letter-spacing: -.05em; }
.legal-dialog h3 { font-size: 1.05rem; margin: 2rem 0 .7rem; }
.legal-dialog p { line-height: 1.65; }
.legal-date { color: #60605b; font-size: .8rem; }

@media (max-width: 900px) {
  .menu-button { display: grid; gap: 4px; }
  .menu-button span:not(.sr-only) { display: block; width: 1.7rem; height: 1px; background: currentColor; }
  .site-nav { position: fixed; inset: 0; background: var(--ink); color: var(--cream); mix-blend-mode: normal; padding: 7rem var(--pad) 3rem; flex-direction: column; justify-content: center; transform: translateY(-105%); transition: transform .35s ease; }
  .site-nav.is-open { transform: translateY(0); }
  .site-nav a { font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.3rem, 9vw, 4rem); text-transform: none; letter-spacing: -.03em; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero__image { min-height: 64svh; clip-path: polygon(0 0, 100% 0, 100% 91%, 0 100%); }
  .hero__copy { padding: 3rem var(--pad) 5rem; }
  .hero__lead { margin-left: 0; }
  .hero__index { top: 60svh; bottom: auto; }
  .manifest { grid-template-columns: .4fr 1.6fr; }
  .manifest__note { grid-column: 2; margin-top: 0; }
  .specimen { grid-template-columns: 1fr; }
  .specimen__image { max-width: 75vw; }
  .traits { grid-template-columns: 1fr; }
  .traits article { min-height: 13rem; }
  .season__head, .notes__title { grid-template-columns: 1fr; gap: 3rem; }
  .season__line { grid-template-columns: 1fr 1fr; gap: 3rem 0; }
  .observe { grid-template-columns: 1fr; }
  .observe__photo { min-height: 65svh; }
}

@media (max-width: 600px) {
  .hero h1 { font-size: clamp(3.7rem, 19vw, 6rem); }
  .round-link { margin-right: .5rem; }
  .manifest { grid-template-columns: 1fr; gap: 2rem; }
  .manifest__note { grid-column: auto; border-left: 0; border-top: 1px solid var(--line); padding: 1.5rem 0 0; }
  .manifest h2 { font-size: 2.7rem; }
  .specimen { margin-top: 3rem; }
  .specimen__image { max-width: calc(100% - 1.5rem); }
  .specimen__mark { width: 4rem; right: -1.5rem; top: -1.5rem; }
  .traits article { padding: 1.5rem; }
  .season__line { grid-template-columns: 1fr; }
  .season__line li { min-height: 13rem; }
  .season__line li + li { padding-left: 0; }
  .season__line li + li .season__dot { left: 0; }
  .season__line h3 { margin-top: 3rem; }
  .observe__photo { min-height: 58svh; }
  .note-grid { grid-template-columns: 1fr; }
  .note-card { min-height: 20rem; }
  .closing { min-height: 72svh; }
  .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; }
}