:root {
  --arctic: #f2f0ea;
  --paper: #fbfaf6;
  --sand: #b99568;
  --sand-light: #d8c6ad;
  --warm: #d9d3ca;
  --obsidian: #111210;
  --ink: #161713;
  --muted: #6e7069;
  --orange: #f36b21;
  --line: rgba(20, 21, 18, .17);
  --header-h: 78px;
  --pad: clamp(22px, 4.2vw, 72px);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { width: 100%; max-width: 100%; overflow-x: clip; }
body { margin: 0; color: var(--ink); background: var(--arctic); font: 16px/1.45 "Helvetica Neue", "Nimbus Sans", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
::selection { color: var(--obsidian); background: var(--sand-light); }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 4px; }
.no-js .loader { display: none; }
.no-js [data-reveal] { opacity: 1; transform: none; }

.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; padding: 10px 16px; color: var(--paper); background: var(--obsidian); transform: translateY(-160%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.loader { position: fixed; z-index: 999; inset: 0; display: grid; place-content: center; justify-items: center; gap: 18px; color: var(--paper); background: var(--obsidian); transition: opacity .65s var(--ease), visibility .65s; }
.loader.is-hidden { opacity: 0; visibility: hidden; }
.loader img { width: 58px; filter: invert(1); }
.loader span { font-size: 9px; letter-spacing: .28em; text-transform: uppercase; }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: var(--header-h); display: flex; align-items: center; justify-content: space-between; padding: 0 var(--pad); border-bottom: 1px solid var(--line); background: rgba(242,240,234,.82); backdrop-filter: blur(16px); transition: transform .35s, background .35s; }
.site-header.is-scrolled { background: rgba(251,250,246,.96); }
.site-header.is-hidden { transform: translateY(-100%); }
.brand { display: inline-flex; align-items: center; gap: 14px; text-transform: uppercase; }
.brand img { width: 34px; height: 34px; object-fit: contain; }
.brand span { font-size: 15px; letter-spacing: .26em; }
.brand sup { font-size: .43em; letter-spacing: 0; vertical-align: super; }
.site-nav { display: flex; align-items: center; gap: clamp(19px, 2.4vw, 40px); }
.site-nav a { position: relative; font-size: 10px; letter-spacing: .08em; }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 1px; background: currentColor; transition: right .3s var(--ease); }
.site-nav > a:hover::after { right: 0; }
.nav-cta { padding: 11px 14px; border: 1px solid currentColor; }
.nav-cta span { margin-left: 18px; }
.menu-toggle { display: none; border: 0; background: none; }

.eyebrow { margin: 0 0 24px; font-size: 9px; line-height: 1.2; letter-spacing: .19em; text-transform: uppercase; }
.eyebrow--sand { color: var(--sand-light); }
.display, .hero h1 { margin: 0; font-size: clamp(54px, 7.2vw, 116px); font-weight: 300; line-height: .91; letter-spacing: -.063em; }
.hero h1 { font-size: clamp(66px, 8.2vw, 132px); }
.display em, .hero h1 em { color: var(--sand); font: inherit; }
.display--light { color: var(--paper); }
.body-large { max-width: 650px; margin: 38px 0 0; font-size: clamp(18px, 1.85vw, 26px); font-weight: 300; line-height: 1.48; }
.body-large--light { color: rgba(255,255,255,.64); }
.section { position: relative; padding: clamp(110px, 13vw, 205px) var(--pad); overflow: hidden; }
.section--obsidian { color: var(--paper); background: var(--obsidian); }
.section--warm { background: var(--warm); }
.section--arctic { background: var(--arctic); }
.section-index { position: absolute; top: 38px; right: var(--pad); left: var(--pad); padding-top: 11px; border-top: 1px solid var(--line); color: var(--muted); font: 8px ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .11em; text-transform: uppercase; }
.section-index--light { color: rgba(255,255,255,.42); border-color: rgba(255,255,255,.15); }
[data-reveal] { opacity: 0; transform: translateY(38px); transition: opacity .85s var(--ease), transform .85s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }

.hero { min-height: 100svh; display: grid; grid-template-columns: minmax(390px,.72fr) minmax(540px,1.28fr); gap: clamp(38px,5vw,90px); align-items: center; padding: calc(var(--header-h) + 54px) var(--pad) 54px; background: var(--arctic); }
.hero__copy { min-width: 0; padding-top: 5vh; }
.hero__lede { max-width: 525px; margin: 38px 0 0; color: #4e504a; font-size: clamp(17px,1.5vw,22px); font-weight: 300; line-height: 1.55; }
.hero__actions { display: flex; align-items: center; gap: 27px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; min-width: 225px; padding: 15px 18px; font-size: 10px; letter-spacing: .04em; }
.button--dark { color: var(--paper); background: var(--obsidian); }
.button span { transition: transform .25s; }
.button:hover span { transform: translate(2px,-2px); }
.text-link { padding-block: 10px; border-bottom: 1px solid var(--line); font-size: 10px; }
.text-link span { margin-left: 20px; }
.hero__meta { display: flex; gap: 26px; margin-top: 62px; color: var(--muted); font: 8px ui-monospace, monospace; letter-spacing: .09em; text-transform: uppercase; }
.hero__meta span:first-child { display: flex; align-items: center; gap: 8px; }
.hero__meta i { width: 6px; height: 6px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 5px rgba(243,107,33,.12); }
.hero__visual { position: relative; min-width: 0; height: calc(100svh - var(--header-h) - 80px); min-height: 650px; margin: 0; overflow: hidden; background: #d7d3cc; }
.hero__visual img { height: 100%; object-fit: cover; object-position: 53% center; filter: saturate(.84) contrast(1.02); animation: heroDrift 14s var(--ease) both; }
.hero__visual figcaption, .system-visual__figure figcaption, .kx__visual figcaption { position: absolute; inset: auto 0 0; display: flex; justify-content: space-between; gap: 20px; padding: 17px 18px; color: rgba(255,255,255,.78); background: linear-gradient(0deg,rgba(0,0,0,.58),transparent); font: 8px ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }
.reveal { opacity: 0; transform: translateY(28px); animation: rise .9s var(--ease) .65s both; }
.reveal--1 { animation-delay: .76s; }
.reveal--2 { animation-delay: .88s; }
.reveal--3 { animation-delay: 1s; }

.manifesto { background: var(--paper); }
.manifesto__grid { display: grid; grid-template-columns: .7fr 2.3fr; gap: 7vw; }
.manifesto__grid > .eyebrow { padding-top: 12px; }

.system__heading, .carry__heading, .kx__heading, .flight__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 9vw; align-items: end; }
.system-grid { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 110px; border-top: 1px solid rgba(255,255,255,.17); border-left: 1px solid rgba(255,255,255,.17); }
.system-grid article { position: relative; min-height: 440px; padding: 27px; border-right: 1px solid rgba(255,255,255,.17); border-bottom: 1px solid rgba(255,255,255,.17); transition: color .35s, background .35s; }
.system-grid article:hover { color: var(--obsidian); background: var(--sand-light); }
.system-grid span { font: 8px ui-monospace, monospace; letter-spacing: .09em; text-transform: uppercase; opacity: .5; }
.system-grid b { position: absolute; top: 26px; right: 26px; color: var(--orange); font-size: 16px; font-weight: 400; }
.system-grid h3 { margin: 175px 0 18px; font-size: clamp(28px,3.3vw,50px); font-weight: 300; letter-spacing: -.05em; }
.system-grid p { max-width: 370px; color: rgba(255,255,255,.6); font-size: 13px; line-height: 1.58; }
.system-grid article:hover p { color: rgba(17,18,16,.72); }
.system-grid small { position: absolute; left: 27px; right: 27px; bottom: 25px; padding-top: 13px; border-top: 1px solid currentColor; font: 8px ui-monospace, monospace; letter-spacing: .06em; text-transform: uppercase; opacity: .42; }

.system-visual__intro { max-width: 1000px; }
.system-visual__figure { position: relative; margin: 90px calc(var(--pad) * -1) 0; background: #d7d3cc; }
.system-visual__figure img { aspect-ratio: 1.5; object-fit: cover; }

.carry { background: var(--paper); }
.carry__layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 1px; margin-top: 95px; background: var(--line); border: 1px solid var(--line); }
.carry__crop { min-height: 710px; margin: 0; overflow: hidden; background: #d7d3cc; }
.carry__crop img { width: 190%; height: 100%; object-fit: cover; object-position: left center; }
.connection-steps { display: grid; grid-template-rows: repeat(3,1fr); gap: 1px; background: var(--line); }
.connection-steps article { display: grid; grid-template-columns: 55px 1fr; gap: 24px; align-items: start; padding: 32px; background: var(--paper); }
.connection-steps span { padding-top: 7px; color: var(--muted); font: 8px ui-monospace, monospace; }
.connection-steps h3 { margin: 0 0 12px; font-size: 25px; font-weight: 300; }
.connection-steps p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.product-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 85px; border: 1px solid var(--line); background: var(--line); }
.product-pair article { min-height: 360px; padding: 30px; background: var(--paper); }
.product-pair span { color: var(--muted); font: 8px ui-monospace, monospace; text-transform: uppercase; }
.product-pair h3 { margin: 105px 0 16px; font-size: clamp(35px,4vw,60px); font-weight: 300; letter-spacing: -.055em; }
.product-pair p { max-width: 560px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.62; }

.flight__copy { color: rgba(255,255,255,.63); font-size: clamp(16px,1.5vw,21px); font-weight: 300; }
.flight__copy p { margin: 0 0 22px; }
.flight-feature { display: grid; grid-template-columns: minmax(0,1.55fr) minmax(300px,.65fr); min-height: 650px; margin-top: 110px; border: 1px solid rgba(255,255,255,.15); background: #181916; }
.flight-feature__visual { display: grid; grid-template-rows: 1fr auto; min-width: 0; margin: 0; overflow: hidden; }
.flight-feature__visual > div { min-height: 590px; background: url("assets/fenastone-connected-system-approved.png") 42% 96% / 190% auto no-repeat; filter: saturate(.72) contrast(1.03); }
.flight-feature figcaption { display: flex; justify-content: space-between; gap: 20px; padding: 13px 16px; color: rgba(255,255,255,.48); border-top: 1px solid rgba(255,255,255,.15); font: 8px ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }
.flight-feature__detail { display: flex; flex-direction: column; justify-content: space-between; padding: 28px; border-left: 1px solid rgba(255,255,255,.15); background: linear-gradient(145deg,rgba(255,255,255,.055),transparent 48%); }
.flight-feature__count { color: var(--orange); font: 10px ui-monospace, monospace; letter-spacing: .12em; }
.flight-feature__detail h3 { margin: 12px 0 0; font-size: clamp(35px,4vw,62px); font-weight: 300; line-height: .98; letter-spacing: -.055em; }
.flight-feature__detail dl { margin: 45px 0; }
.flight-feature__detail dl div { display: grid; grid-template-columns: 64px 1fr; gap: 18px; padding: 15px 0; border-top: 1px solid rgba(255,255,255,.14); }
.flight-feature__detail dt { color: rgba(255,255,255,.42); font: 8px ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }
.flight-feature__detail dd { margin: 0; color: rgba(255,255,255,.68); font-size: 12px; line-height: 1.45; }
.flight-feature__note { margin: 0; padding: 12px; color: var(--sand-light); border: 1px solid rgba(216,198,173,.42); font: 8px ui-monospace, monospace; letter-spacing: .1em; text-align: center; text-transform: uppercase; }

.kx__visual { position: relative; margin: 90px calc(var(--pad) * -1) 0; overflow: hidden; background: #d7d3cc; }
.kx__visual img { max-height: 900px; object-fit: cover; filter: saturate(.8); }
.kx-colours { display: grid; grid-template-columns: minmax(220px,.38fr) minmax(0,1.62fr); gap: clamp(35px,6vw,100px); align-items: end; margin-top: 95px; padding-top: 25px; border-top: 1px solid var(--line); }
.kx-colours__intro h3 { margin: 12px 0 22px; font-size: clamp(38px,4.4vw,66px); font-weight: 300; line-height: .98; letter-spacing: -.055em; }
.kx-colours__intro > p:last-child { max-width: 310px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.kx-colour-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
.kx-colour-card { min-width: 0; border: 1px solid var(--line); background: var(--paper); }
.kx-colour-card__image { aspect-ratio: .78; background-image: url("assets/fenastone-kx1-colourways.png"); background-size: 300% auto; background-repeat: no-repeat; }
.kx-colour-card--arctic .kx-colour-card__image { background-position: 0 48%; }
.kx-colour-card--sand .kx-colour-card__image { background-position: 50% 48%; }
.kx-colour-card--obsidian .kx-colour-card__image { background-position: 100% 48%; }
.kx-colour-card__caption { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 15px 16px; border-top: 1px solid var(--line); }
.kx-colour-card__caption span { color: var(--muted); font: 8px ui-monospace, monospace; }
.kx-colour-card__caption h4 { margin: 0; font-size: 16px; font-weight: 400; }
.kx-colour-card__caption i { width: 13px; height: 13px; border: 1px solid rgba(0,0,0,.16); background: var(--arctic); }
.kx-colour-card--sand .kx-colour-card__caption i { background: var(--sand); }
.kx-colour-card--obsidian .kx-colour-card__caption i { background: var(--obsidian); }
.evidence-note { max-width: 770px; margin: 75px 0 0 auto; padding-left: 20px; border-left: 1px solid var(--orange); color: var(--muted); font-size: 11px; line-height: 1.55; }

.materials { background: var(--paper); }
.materials__intro { max-width: 950px; }
.material-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; margin-top: 100px; border: 1px solid var(--line); background: var(--line); }
.material-card { min-height: 510px; display: flex; flex-direction: column; justify-content: space-between; padding: 27px; overflow: hidden; }
.material-card > span { font: 8px ui-monospace, monospace; }
.material-card h3 { margin: 0 0 14px; font-size: 25px; font-weight: 300; }
.material-card p { max-width: 350px; margin: 0; font-size: 12px; line-height: 1.6; }
.material-card--carbon { color: var(--paper); background: repeating-linear-gradient(135deg,#171816 0 7px,#1f201d 7px 14px); }
.material-card--textile { background: radial-gradient(circle at 2px 2px,rgba(0,0,0,.13) 1px,transparent 1.2px) 0 0/6px 6px,var(--sand-light); }
.material-card--metal { background: linear-gradient(115deg,#d2d3cf,#f4f4f0 46%,#b7b8b4 47%,#e4e5e1 72%); }

.status { min-height: 760px; display: grid; grid-template-columns: .45fr 1.55fr; gap: 8vw; align-items: center; background: var(--sand-light); }
.status__mark { width: min(30vw,360px); opacity: .08; }
.status__content { position: relative; z-index: 2; max-width: 1050px; }
.status__content > p:not(.eyebrow) { max-width: 650px; margin: 34px 0 42px; font-size: 17px; }

.site-footer { display: grid; grid-template-columns: 1.1fr .95fr 1fr; gap: 36px; align-items: start; padding: 72px var(--pad) 28px; color: rgba(255,255,255,.58); background: var(--obsidian); border-top: 1px solid rgba(255,255,255,.1); font-size: 10px; }
.brand--footer { color: var(--paper); }
.brand--footer img { filter: invert(1); }
.site-footer p { margin: 5px 0; }
.site-footer nav { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 24px; }
.site-footer nav a { border-bottom: 1px solid rgba(255,255,255,.22); }
.site-footer small { grid-column: 1 / -1; margin-top: 70px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); font-size: 8px; line-height: 1.6; }

@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes heroDrift { from { transform: scale(1.035); } to { transform: scale(1); } }

@media (max-width: 1080px) {
  .no-js .menu-toggle { display: none; }
  .no-js .site-nav { position: static; visibility: visible; width: auto; height: auto; min-height: 0; overflow: visible; flex-direction: row; align-items: center; gap: 20px; padding: 0; color: inherit; background: transparent; transform: none; }
  .no-js .site-nav > a:not(.nav-cta) { font-size: 10px; font-weight: 400; letter-spacing: .08em; }
  .menu-open .site-header { transform: none !important; color: var(--paper); background: transparent; border-color: rgba(255,255,255,.12); }
  .menu-open .brand { position: relative; z-index: 3; }
  .menu-open .brand img { filter: invert(1); }
  .menu-toggle { z-index: 3; display: flex; align-items: center; gap: 12px; padding: 8px 0; }
  .menu-toggle i { width: 20px; height: 1px; background: currentColor; box-shadow: 0 5px currentColor; transition: transform .3s, box-shadow .3s; }
  .menu-open .menu-toggle { color: var(--paper); }
  .menu-open .menu-toggle i { transform: rotate(45deg); box-shadow: 0 0 currentColor; }
  .site-nav { position: fixed; z-index: 2; inset: 0; width: 100vw; height: 100svh; min-height: 100svh; visibility: hidden; overflow-y: auto; flex-direction: column; justify-content: flex-start; align-items: flex-start; gap: 25px; padding: 125px 30px 55px; color: var(--paper); background: rgba(17,18,16,.99); transform: translateY(-100%); transition: transform .5s var(--ease),visibility 0s .5s; }
  .menu-open .site-nav { visibility: visible; transform: none; transition-delay: 0s; }
  .site-nav > a:not(.nav-cta) { font-size: clamp(30px,7vw,54px); font-weight: 300; letter-spacing: -.04em; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: calc(var(--header-h) + 88px); }
  .hero__copy { padding: 0 0 35px; }
  .hero__visual { height: 760px; }
  .system__heading, .carry__heading, .kx__heading, .flight__grid { grid-template-columns: 1fr; }
  .system-grid { grid-template-columns: 1fr; }
  .system-grid article { min-height: 290px; }
  .system-grid h3 { margin-top: 80px; }
  .carry__layout { grid-template-columns: 1fr; }
  .carry__crop { min-height: 650px; }
}

@media (max-width: 760px) {
  :root { --header-h: 66px; }
  .site-header { padding-inline: 20px; }
  .no-js .site-header { height: auto; min-height: var(--header-h); flex-wrap: wrap; gap: 12px; padding-block: 14px; }
  .no-js .site-nav { width: 100%; flex-wrap: wrap; padding-top: 10px; border-top: 1px solid var(--line); }
  .brand img { width: 29px; height: 29px; }
  .brand span { font-size: 13px; }
  .hero { padding: calc(var(--header-h) + 70px) 20px 20px; }
  .hero h1, .display { font-size: clamp(51px,14vw,76px); }
  .hero h1 { font-size: clamp(61px,17vw,84px); }
  .hero__actions { align-items: flex-start; flex-direction: column; gap: 12px; }
  .hero__meta { flex-wrap: wrap; margin-top: 45px; }
  .hero__visual { height: 520px; min-height: 0; margin-inline: -20px; }
  .hero__visual img { object-position: 37% center; }
  .section { padding-inline: 20px; }
  .section-index { right: 20px; left: 20px; }
  .manifesto__grid { grid-template-columns: 1fr; }
  .system-grid { margin-top: 70px; }
  .system-visual__figure, .kx__visual { margin-inline: -20px; }
  .system-visual__figure img { aspect-ratio: .94; object-position: 35% center; }
  .carry__crop { min-height: 520px; }
  .carry__crop img { width: 230%; object-position: 3% center; }
  .connection-steps article { grid-template-columns: 40px 1fr; padding: 24px; }
  .product-pair { grid-template-columns: 1fr; }
  .product-pair article { min-height: 310px; }
  .product-pair h3 { margin-top: 75px; }
  .flight-feature { grid-template-columns: 1fr; min-height: 0; margin-top: 75px; }
  .flight-feature__visual > div { min-height: 500px; background-position: 40% 96%; background-size: 285% auto; }
  .flight-feature__detail { min-height: 520px; border-top: 1px solid rgba(255,255,255,.15); border-left: 0; }
  .flight-feature figcaption { align-items: flex-start; flex-direction: column; }
  .kx__visual img { aspect-ratio: 1; object-position: 20% center; }
  .kx-colours { grid-template-columns: 1fr; align-items: start; margin-top: 70px; }
  .kx-colours__intro > p:last-child { max-width: 480px; }
  .kx-colour-grid { grid-auto-flow: column; grid-auto-columns: 82vw; grid-template-columns: none; margin-right: -20px; padding-right: 20px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: inline mandatory; scrollbar-width: none; }
  .kx-colour-grid::-webkit-scrollbar { display: none; }
  .kx-colour-card { scroll-snap-align: start; }
  .material-grid { grid-template-columns: 1fr; }
  .material-card { min-height: 350px; }
  .status { grid-template-columns: 1fr; }
  .status__mark { position: absolute; top: 90px; right: -30px; width: 250px; }
  .site-footer { grid-template-columns: 1fr; padding-inline: 20px; }
  .site-footer nav { justify-content: flex-start; }
  .site-footer small { grid-column: auto; margin-top: 45px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}