:root {
  --obsidian: #0b0c0e;
  --porcelain: #f2eee8;
  --warm: #ded6cb;
  --copper: #c65337;
  --mineral: #9bc7da;
  --line-dark: rgba(11, 12, 14, .14);
  --line-light: rgba(242, 238, 232, .14);
  --mono: "IBM Plex Mono", monospace;
  --body: "Manrope", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--obsidian); background: var(--porcelain); font-family: var(--body); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { color: var(--obsidian); background: var(--copper); }
.article-shell { width: min(1328px, calc(100vw - 96px)); margin-inline: auto; }
.article-header { position: fixed; z-index: 20; top: 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; width: 100%; height: 104px; min-height: 104px; padding: 18px 56px; color: var(--porcelain); background: rgba(11, 12, 14, .9); border-bottom: 1px solid var(--line-light); backdrop-filter: blur(22px) saturate(120%); }
.article-header > a:first-child { width: 198px; }
.article-header > a:first-child img { width: 100%; height: auto; }
.article-header nav { display: flex; align-items: center; gap: 2px; white-space: nowrap; }
.nav-cluster { position: relative; }
.nav-cluster summary { display: flex; align-items: center; gap: 7px; padding: 12px 11px; color: rgba(242, 238, 232, .68); font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: .13em; list-style: none; text-transform: uppercase; cursor: pointer; transition: color 180ms ease, background 180ms ease; }
.nav-cluster summary::-webkit-details-marker { display: none; }
.nav-cluster summary::marker { content: ""; }
.nav-cluster summary span { color: var(--copper); font-size: 11px; transition: transform 180ms ease; }
.nav-cluster[open] summary,
.nav-cluster summary:hover,
.nav-cluster summary:focus-visible { color: var(--porcelain); background: rgba(242, 238, 232, .045); outline: none; }
.nav-cluster[open] summary span { transform: rotate(180deg); }
.nav-cluster__menu { position: absolute; z-index: 35; top: calc(100% + 13px); left: 0; display: grid; width: 260px; padding: 8px; white-space: normal; background: rgba(14, 16, 19, .98); border: 1px solid rgba(242, 238, 232, .16); box-shadow: 0 28px 80px rgba(0, 0, 0, .46); backdrop-filter: blur(22px) saturate(115%); animation: navMenuIn 160ms ease both; }
.nav-cluster__menu::before { position: absolute; top: -14px; right: 0; left: 0; height: 14px; content: ""; }
.nav-cluster__menu--end { right: 0; left: auto; }
.article-header .nav-cluster__menu a { display: grid; grid-template-columns: 30px 1fr; align-items: center; min-height: 44px; padding: 8px 10px; color: rgba(242, 238, 232, .68); border-bottom: 1px solid rgba(242, 238, 232, .075); font-family: var(--body); font-size: 12px; letter-spacing: 0; text-transform: none; transition: color 180ms ease, background 180ms ease; }
.article-header .nav-cluster__menu a:last-child { border-bottom: 0; }
.article-header .nav-cluster__menu a small { color: var(--copper); font-family: var(--mono); font-size: 8px; letter-spacing: .1em; }
.article-header .nav-cluster__menu a:hover,
.article-header .nav-cluster__menu a:focus-visible { color: var(--porcelain); background: rgba(155, 199, 218, .075); outline: none; }
@keyframes navMenuIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.article-actions { justify-self: end; display: flex; align-items: center; gap: 12px; }
.article-cta { display: inline-flex; align-items: center; gap: 14px; padding: 12px 18px; color: var(--porcelain); border: 1px solid rgba(242, 238, 232, .28); border-radius: 999px; font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: .1em; white-space: nowrap; text-transform: uppercase; transition: color 180ms ease, background 180ms ease, border-color 180ms ease; }
.article-cta:hover, .article-cta:focus-visible { color: var(--obsidian); background: var(--porcelain); border-color: var(--porcelain); }
.article-header b { color: var(--copper); font-size: 13px; }
.language-picker { position: relative; flex: 0 0 auto; font-family: var(--mono); }
.language-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-width: 72px; height: 42px; padding: 0 11px; color: rgba(242, 238, 232, .72); background: transparent; border: 1px solid rgba(242, 238, 232, .22); border-radius: 999px; cursor: pointer; }
.language-toggle svg { width: 9px; fill: none; stroke: currentColor; stroke-width: 1.3; transition: transform 180ms ease; }
.language-flag { font-size: 16px; line-height: 1; }
.language-code { font-size: 9px; letter-spacing: .08em; }
.language-menu { position: absolute; z-index: 30; top: calc(100% + 10px); right: 0; width: 218px; padding: 7px; background: #111317; border: 1px solid rgba(242, 238, 232, .18); border-radius: 12px; box-shadow: 0 22px 70px rgba(0, 0, 0, .42); opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity 160ms ease, transform 160ms ease, visibility 160ms; }
.language-menu button { display: grid; grid-template-columns: 24px 1fr auto; align-items: center; gap: 9px; width: 100%; min-height: 42px; padding: 7px 10px; color: rgba(242, 238, 232, .62); background: transparent; border: 0; border-radius: 8px; text-align: left; cursor: pointer; }
.language-menu button:hover, .language-menu button:focus-visible, .language-menu button.is-active { color: var(--porcelain); background: rgba(155, 199, 218, .09); outline: none; }
.language-menu button > span:first-child { font-size: 17px; }
.language-menu button > span:nth-child(2) { font-size: 11px; }
.language-menu small { color: rgba(242, 238, 232, .35); font-size: 8px; }
.language-picker.is-open .language-toggle { border-color: rgba(155, 199, 218, .6); background: rgba(255, 255, 255, .06); }
.language-picker.is-open .language-toggle svg { transform: rotate(180deg); }
.language-picker.is-open .language-menu { opacity: 1; visibility: visible; transform: none; }
.article-hero { position: relative; min-height: 910px; overflow: hidden; padding-top: 104px; color: var(--porcelain); background: radial-gradient(circle at 82% 37%, rgba(143, 185, 203, .12), transparent 28%), var(--obsidian); }
.article-hero::after { position: absolute; top: -8%; right: -6%; color: rgba(143, 185, 203, .035); font-size: 62vw; font-weight: 600; line-height: .8; content: "X"; }
.article-hero__texture { position: absolute; inset: 0; opacity: .22; background-image: url("/assets/xylya-journey-xilogravura-v1.webp"); background-position: right center; background-size: 65% auto; background-repeat: no-repeat; filter: saturate(1.18) contrast(1.06) brightness(.82); mix-blend-mode: normal; }
.article-hero .article-shell { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; min-height: 828px; }
.article-hero .article-shell > p { display: flex; justify-content: space-between; margin: 0 0 56px; color: rgba(242, 238, 232, .36); font-family: var(--mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.article-hero .article-shell > p span { color: var(--mineral); }
.article-hero h1 { max-width: 1080px; margin: 0; font-size: clamp(76px, 8.2vw, 132px); font-weight: 500; line-height: .9; letter-spacing: -.075em; }
h1 > span, h2 > span { color: var(--copper); }
.article-hero__dek { display: grid; grid-template-columns: .65fr 1fr; gap: 8vw; max-width: 920px; margin-top: 62px; padding-top: 28px; border-top: 1px solid var(--line-light); }
.article-hero__dek strong { color: var(--copper); font-family: var(--mono); font-size: 10px; font-weight: 500; line-height: 1.6; text-transform: uppercase; }
.article-hero__dek p { margin: 0; color: rgba(242, 238, 232, .62); font-size: 20px; line-height: 1.7; }
.article-layout { display: grid; grid-template-columns: 250px minmax(0, 800px); gap: 9vw; align-items: start; padding-block: 120px 160px; }
.article-index { position: sticky; top: 120px; padding-top: 20px; border-top: 1px solid var(--line-dark); }
.article-index > span { color: var(--copper); font-family: var(--mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.article-index ol { display: grid; gap: 0; margin: 27px 0 0; padding: 0; border-left: 1px solid rgba(11, 12, 14, .12); list-style: none; }
.article-index li { position: relative; }
.article-index a {
  position: relative;
  display: block;
  padding: 10px 8px 10px 20px;
  color: rgba(11, 12, 14, .42);
  font-size: 13px;
  line-height: 1.4;
  transition: color 260ms ease, transform 420ms cubic-bezier(.18, .78, .2, 1);
}
.article-index a::before {
  position: absolute;
  top: 50%;
  left: -4px;
  width: 7px;
  height: 7px;
  background: var(--porcelain);
  border: 1px solid rgba(11, 12, 14, .22);
  border-radius: 50%;
  content: "";
  transform: translateY(-50%) scale(.72);
  transition: background 260ms ease, border-color 260ms ease, box-shadow 360ms ease, transform 360ms ease;
}
.article-index a::after {
  position: absolute;
  top: 50%;
  left: -1px;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--mineral), transparent);
  content: "";
  opacity: 0;
  transform: translateY(-50%);
  transition: width 420ms cubic-bezier(.18, .78, .2, 1), opacity 260ms ease;
}
.article-index a:hover,
.article-index a:focus-visible { color: var(--obsidian); outline: none; }
.article-index a[aria-current="location"] {
  color: #244f62;
  font-weight: 600;
  transform: translateX(7px);
}
.article-index a[aria-current="location"]::before {
  background: var(--mineral);
  border-color: #39758e;
  box-shadow: 0 0 0 5px rgba(155, 199, 218, .2), 0 0 18px rgba(82, 145, 171, .26);
  transform: translateY(-50%) scale(1);
}
.article-index a[aria-current="location"]::after { width: 14px; opacity: .75; }
.article-copy { max-width: 800px; }
.article-lead { margin: 0 0 140px; font-size: clamp(30px, 3.3vw, 52px); font-weight: 500; line-height: 1.2; letter-spacing: -.05em; }
.article-copy section { scroll-margin-top: 110px; margin-top: 135px; }
.article-copy section > small, .article-conclusion > small { color: var(--copper); font-family: var(--mono); font-size: 9px; letter-spacing: .11em; text-transform: uppercase; }
.article-copy h2, .article-conclusion h2 { margin: 29px 0 46px; font-size: clamp(42px, 4.5vw, 68px); font-weight: 500; line-height: 1; letter-spacing: -.065em; }
.article-copy section > p { margin: 24px 0 0; color: rgba(11, 12, 14, .7); font-size: 19px; line-height: 1.85; }
.article-copy blockquote { margin: 54px 0; padding: 31px 0 5px 32px; color: var(--obsidian); border-top: 1px solid var(--line-dark); border-left: 2px solid var(--copper); font-size: 27px; font-weight: 500; line-height: 1.45; letter-spacing: -.04em; }
.article-equation { display: flex; align-items: center; flex-wrap: wrap; gap: 13px; margin: 50px 0; padding: 26px; color: rgba(11, 12, 14, .52); background: var(--warm); border-radius: 12px; font-family: var(--mono); font-size: 10px; text-transform: uppercase; }
.article-equation b { color: var(--mineral); font-weight: 500; }
.article-equation strong { color: var(--copper); font-weight: 500; }
.article-copy figure { margin: 135px -11vw 135px 0; }
.article-copy figure img { width: 100%; border-radius: 14px; filter: saturate(1.12) contrast(1.06) brightness(.96); }
.article-copy figcaption { max-width: 660px; margin-top: 18px; color: rgba(11, 12, 14, .48); font-family: var(--mono); font-size: 9px; line-height: 1.65; }
.article-copy ul { margin: 49px 0 0; padding: 0; border-top: 1px solid var(--line-dark); list-style: none; }
.article-copy li { display: grid; grid-template-columns: .6fr 1fr; gap: 30px; padding: 22px 0; border-bottom: 1px solid var(--line-dark); }
.article-copy li strong { font-size: 16px; }
.article-copy li span { color: rgba(11, 12, 14, .58); font-size: 14px; line-height: 1.55; }
.article-principles { display: grid; grid-template-columns: 1fr 1fr; margin-top: 55px; border: 1px solid var(--line-dark); }
.article-principles article { min-height: 190px; padding: 23px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.article-principles article:nth-child(2n) { border-right: 0; }
.article-principles article:nth-child(n+3) { border-bottom: 0; }
.article-principles b { color: var(--copper); font-family: var(--mono); font-size: 9px; font-weight: 500; }
.article-principles strong { display: block; margin-top: 46px; font-size: 18px; }
.article-principles span { display: block; margin-top: 9px; color: rgba(11, 12, 14, .54); font-size: 13px; line-height: 1.5; }
.article-conclusion { margin-top: 155px; padding: 70px 55px; color: var(--porcelain); background: var(--obsidian); border-radius: 16px; }
.article-conclusion p { max-width: 560px; color: rgba(242, 238, 232, .62); font-size: 20px; line-height: 1.65; }
.article-conclusion a { display: inline-flex; gap: 22px; margin-top: 35px; padding: 14px 18px; color: var(--obsidian); background: var(--copper); border-radius: 999px; font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.article-footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 50px; min-height: 170px; padding: 45px 48px; color: var(--porcelain); background: #07080a; border-top: 1px solid var(--line-light); }
.article-footer img { width: 145px; }
.article-footer p, .article-footer > span { color: rgba(242, 238, 232, .34); font-family: var(--mono); font-size: 8px; text-transform: uppercase; }
.is-embedded .article-header,
.is-embedded .article-footer { display: none; }
.is-embedded .article-hero { min-height: min(900px, 100dvh); padding-top: 0; }
.is-embedded .article-hero .article-shell { min-height: min(900px, 100dvh); }
.is-embedded .article-index { top: 32px; }
.is-embedded .article-copy section { scroll-margin-top: 28px; }
.nav-cluster__menu a small,
.article-copy section > small { color: var(--mineral); }
.article-conclusion > small { color: var(--copper); }
@media (max-width: 1160px) {
  .article-header { grid-template-columns: 1fr auto; padding-inline: 28px; }
  .article-header nav { display: none; }
}
@media (max-width: 800px) {
  .article-shell { width: calc(100vw - 40px); }
  .article-header { height: 74px; min-height: 74px; padding: 13px 20px; }
  .article-header > a:first-child { width: 137px; }
  .article-actions { gap: 7px; }
  .language-toggle { min-width: 66px; height: 38px; padding-inline: 9px; }
  .language-menu { top: 45px; }
  .article-cta { width: 40px; height: 40px; justify-content: center; padding: 0; font-size: 0; }
  .article-cta b { font-size: 15px; }
  .article-hero { min-height: 820px; padding-top: 74px; }
  .article-hero .article-shell { min-height: 750px; }
  .article-hero .article-shell > p { margin-bottom: 40px; }
  .article-hero h1 { font-size: clamp(59px, 18.3vw, 79px); }
  .article-hero__texture { opacity: .12; background-size: cover; }
  .article-hero__dek { grid-template-columns: 1fr; gap: 21px; margin-top: 48px; }
  .article-hero__dek p { font-size: 17px; }
  .article-layout { grid-template-columns: 1fr; padding-block: 80px 100px; }
  .article-index {
    position: sticky;
    z-index: 12;
    top: 0;
    margin-inline: -20px;
    padding: 0 20px;
    overflow-x: auto;
    background: rgba(242, 238, 232, .94);
    border-top: 1px solid var(--line-dark);
    border-bottom: 1px solid var(--line-dark);
    backdrop-filter: blur(14px) saturate(.88);
    scrollbar-width: none;
  }
  .article-index::-webkit-scrollbar { display: none; }
  .article-index > span { display: none; }
  .article-index ol { display: flex; gap: 4px; width: max-content; margin: 0; border-left: 0; }
  .article-index a { min-height: 54px; padding: 18px 13px 15px; font-family: var(--mono); font-size: 9px; white-space: nowrap; }
  .article-index a::before { top: auto; right: 13px; bottom: 7px; left: 13px; width: auto; height: 2px; border: 0; border-radius: 0; transform: scaleX(0); transform-origin: 0 50%; }
  .article-index a::after { display: none; }
  .article-index a[aria-current="location"] { transform: none; }
  .article-index a[aria-current="location"]::before { background: linear-gradient(90deg, var(--mineral), var(--copper)); box-shadow: none; transform: scaleX(1); }
  .article-lead { margin: 45px 0 100px; }
  .article-copy section { margin-top: 105px; }
  .article-copy h2, .article-conclusion h2 { font-size: 45px; }
  .article-copy section > p { font-size: 17px; line-height: 1.75; }
  .article-copy blockquote { padding-left: 22px; font-size: 23px; }
  .article-copy figure { margin: 105px -20px; }
  .article-copy figure img { border-radius: 0; }
  .article-copy figcaption { padding-inline: 20px; }
  .article-copy li { grid-template-columns: 1fr; gap: 8px; }
  .article-principles { grid-template-columns: 1fr; }
  .article-principles article, .article-principles article:nth-child(2n), .article-principles article:nth-child(n+3) { min-height: 170px; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .article-principles article:last-child { border-bottom: 0; }
  .article-conclusion { margin-inline: -20px; padding: 55px 20px; border-radius: 0; }
  .article-footer { grid-template-columns: 1fr; gap: 20px; padding: 40px 20px; }
}