:root {
  --ink: #171815;
  --paper: #f1efe8;
  --paper-2: #dedbd0;
  --orange: #ff5a1f;
  --grey: #a6a79f;
  --line: rgba(23, 24, 21, .22);
  --white: #faf9f4;
  --pad: clamp(22px, 4.4vw, 72px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; overflow-x: hidden; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
h1, h2, h3, p, figure { margin-top: 0; }

.skip-link { position: fixed; z-index: 100; left: 14px; top: -60px; padding: 12px 16px; background: var(--orange); color: var(--ink); font-weight: 700; }
.skip-link:focus { top: 14px; }

.site-header { position: fixed; z-index: 30; inset: 0 0 auto; height: 84px; display: grid; grid-template-columns: minmax(170px, 1fr) auto; align-items: center; padding: 0 var(--pad); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.22); transition: background .25s, color .25s, height .25s; }
.site-header.scrolled { height: 68px; color: var(--ink); background: rgba(241,239,232,.94); backdrop-filter: blur(18px); border-color: var(--line); }
.brand { display: inline-flex; width: 146px; }
.brand img { filter: brightness(0) invert(1); }
.site-header.scrolled .brand img { filter: none; }
footer img { filter: brightness(0) invert(1); }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.6vw, 42px); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.site-nav > a:not(.nav-cta) { padding: 12px 0; border-bottom: 1px solid transparent; }
.site-nav > a:not(.nav-cta):hover { border-color: currentColor; }
.nav-cta { display: flex; align-items: center; gap: 28px; margin-left: 12px; padding: 13px 15px; background: var(--orange); color: var(--ink); }
.menu-button { display: none; border: 0; background: none; text-transform: uppercase; font-size: 11px; font-weight: 800; letter-spacing: .12em; }

.hero { min-height: 100svh; position: relative; display: grid; align-items: stretch; overflow: hidden; color: var(--white); background: var(--ink); }
.hero-media { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(16,17,15,.72) 0%, rgba(16,17,15,.52) 42%, rgba(16,17,15,.06) 76%), url('assets/images/hero-v4.jpg') center/cover no-repeat; }
.hero-grid { position: relative; z-index: 1; width: 100%; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(270px, .55fr); padding: 150px var(--pad) 142px; }
.hero-copy { align-self: center; min-width: 0; max-width: 880px; }
.eyebrow, .overline { margin-bottom: 28px; font-family: "Courier New", monospace; font-size: 10px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow span { display: inline-grid; place-items: center; width: 30px; height: 30px; margin-right: 13px; border: 1px solid currentColor; }
.hero h1 { margin: 0 0 30px; font-size: clamp(74px, 11vw, 178px); line-height: .77; letter-spacing: -.085em; text-transform: uppercase; }
.hero-lead { max-width: 600px; margin-bottom: 38px; color: rgba(255,255,255,.74); font-size: clamp(16px, 1.35vw, 20px); line-height: 1.65; }
.button { display: inline-flex; justify-content: space-between; align-items: center; min-width: 240px; padding: 17px 18px; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-3px); }
.button-light { background: var(--white); color: var(--ink); }
.button-dark { background: var(--ink); color: var(--white); }
.hero-index { align-self: end; margin-bottom: 6px; border-top: 1px solid rgba(255,255,255,.42); }
.index-label { display: block; padding: 14px 0 22px; color: rgba(255,255,255,.54); font-family: "Courier New", monospace; font-size: 9px; letter-spacing: .16em; text-transform: uppercase; }
.hero-index ol { margin: 0; padding: 0; list-style: none; }
.hero-index li { display: grid; grid-template-columns: 42px 1fr; padding: 11px 0; border-top: 1px solid rgba(255,255,255,.18); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.hero-index li span { color: var(--orange); font-family: "Courier New", monospace; }
.hero-wordmark { position: absolute; z-index: 1; right: var(--pad); bottom: -2.3vw; color: rgba(255,255,255,.07); font-size: clamp(110px, 25vw, 430px); line-height: .68; font-weight: 900; letter-spacing: -.1em; pointer-events: none; }

.signal-bar { overflow: hidden; background: var(--orange); border-bottom: 1px solid var(--ink); }
.signal-track { width: max-content; display: flex; align-items: center; gap: 34px; padding: 13px 0; animation: ticker 32s linear infinite; font-family: "Courier New", monospace; font-size: 10px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.signal-track i { width: 7px; height: 7px; background: var(--ink); border-radius: 50%; }
@keyframes ticker { to { transform: translateX(-50%); } }

.section-shell { display: grid; grid-template-columns: minmax(88px, .24fr) minmax(0, 1.05fr) minmax(280px, .71fr); gap: clamp(28px, 5vw, 84px); padding-inline: var(--pad); }
.section-code { font-family: "Courier New", monospace; font-size: 9px; font-weight: 700; line-height: 1.65; letter-spacing: .15em; }
.intro { padding-top: clamp(100px, 12vw, 190px); padding-bottom: clamp(100px, 12vw, 190px); border-bottom: 1px solid var(--line); }
.intro-main h2, .materials-heading h2, .approach h2, .contact h2 { margin: 0; font-size: clamp(55px, 7.6vw, 122px); line-height: .86; letter-spacing: -.075em; text-transform: uppercase; }
.intro-copy { align-self: end; max-width: 520px; }
.intro-copy p { margin-bottom: 20px; font-size: clamp(16px, 1.4vw, 20px); line-height: 1.65; }
.intro-copy p:last-child { margin-bottom: 0; color: #686961; }

.materials { background: var(--paper-2); }
.materials-heading { padding-top: clamp(90px, 10vw, 150px); padding-bottom: clamp(64px, 7vw, 105px); }
.section-note { align-self: end; max-width: 420px; margin: 0; color: #62645e; line-height: 1.65; }
.material-feature { display: grid; grid-template-columns: 1.55fr .75fr; min-height: 760px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.feature-image { position: relative; min-height: 620px; overflow: hidden; background: #aaa; }
.feature-image img { height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.feature-image:hover img { transform: scale(1.025); }
.feature-image figcaption { position: absolute; left: 16px; bottom: 14px; padding: 7px 9px; background: rgba(23,24,21,.8); color: white; font-family: "Courier New", monospace; font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
.feature-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(38px, 6vw, 96px); background: var(--orange); }
.feature-number, .feature-tag, .card-body > span { font-family: "Courier New", monospace; font-size: 9px; font-weight: 700; letter-spacing: .15em; }
.feature-tag { margin: auto 0 20px; }
.feature-copy h3 { margin: 0 0 26px; font-size: clamp(42px, 5vw, 78px); line-height: .94; letter-spacing: -.065em; text-transform: uppercase; }
.feature-copy > p:not(.feature-tag) { max-width: 460px; line-height: 1.6; }
.feature-copy ul { margin: 24px 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(23,24,21,.28); }
.feature-copy li { padding: 12px 0; border-bottom: 1px solid rgba(23,24,21,.28); font-family: "Courier New", monospace; font-size: 10px; text-transform: uppercase; }
.material-pair { display: grid; grid-template-columns: 1fr 1fr; }
.material-card { min-width: 0; border-right: 1px solid var(--ink); }
.material-card:last-child { border-right: 0; }
.card-image { aspect-ratio: 16 / 9; overflow: hidden; }
.card-image img { height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.material-card:hover .card-image img { transform: scale(1.03); }
.card-body { min-height: 310px; display: grid; grid-template-columns: 82px 1fr; column-gap: 24px; padding: clamp(30px, 4vw, 60px); }
.card-body h3 { margin: -8px 0 22px; font-size: clamp(34px, 4vw, 62px); line-height: .94; letter-spacing: -.055em; text-transform: uppercase; }
.card-body p { grid-column: 2; max-width: 460px; color: #60625b; line-height: 1.6; }
.card-body a { grid-column: 2; align-self: end; display: flex; justify-content: space-between; padding-bottom: 8px; border-bottom: 1px solid currentColor; font-size: 10px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.material-card-dark { background: var(--ink); color: var(--white); }
.material-card-dark .card-body p { color: rgba(255,255,255,.6); }

.approach { padding-top: clamp(100px, 12vw, 180px); padding-bottom: clamp(110px, 13vw, 200px); }
.approach-head { grid-template-columns: minmax(88px, .24fr) 1.76fr; margin-bottom: 80px; }
.approach-head h2 { max-width: 1000px; }
.route { grid-template-columns: minmax(88px, .24fr) repeat(3, 1fr); gap: 0; }
.route::before { content: ""; }
.route-step { min-height: 430px; display: flex; flex-direction: column; padding: 28px clamp(22px, 3vw, 46px); border-top: 1px solid var(--ink); border-right: 1px solid var(--line); }
.route-step:last-child { border-right: 0; }
.route-number { font-family: "Courier New", monospace; font-size: 10px; font-weight: 700; }
.route-symbol { margin: auto 0; color: var(--orange); font-family: Arial, sans-serif; font-size: 80px; font-weight: 400; line-height: 1; }
.route-step h3 { margin: 0 0 12px; font-size: clamp(35px, 3vw, 50px); letter-spacing: -.045em; text-transform: uppercase; }
.route-step p { max-width: 300px; margin-bottom: 0; color: #696b64; line-height: 1.55; }

.statement { min-height: 82svh; display: grid; grid-template-columns: 1.08fr .92fr; background: var(--ink); color: var(--white); }
.statement-image { min-height: 620px; background: linear-gradient(rgba(10,10,8,.12), rgba(10,10,8,.34)), url('assets/images/hero-v4.jpg') 72% center/cover no-repeat; filter: saturate(.75); }
.statement-copy { display: flex; flex-direction: column; justify-content: center; padding: var(--pad); }
.statement-copy .overline { color: var(--orange); }
.statement-copy h2 { margin: 0 0 34px; font-size: clamp(55px, 7vw, 112px); line-height: .86; letter-spacing: -.075em; text-transform: uppercase; }
.statement-copy > p:last-child { max-width: 500px; color: rgba(255,255,255,.6); font-size: 18px; line-height: 1.6; }

.contact { padding-top: clamp(100px, 12vw, 180px); padding-bottom: clamp(100px, 12vw, 180px); background: var(--orange); }
.contact-main h2 { margin-bottom: 52px; }
.contact-details { align-self: end; margin: 0; font-style: normal; border-top: 1px solid var(--ink); }
.contact-details div { padding: 19px 0; border-bottom: 1px solid var(--ink); }
.contact-details span { display: block; margin-bottom: 8px; font-family: "Courier New", monospace; font-size: 9px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.contact-details a, .contact-details p { margin: 0; font-size: clamp(18px, 1.7vw, 25px); line-height: 1.35; }
.contact-details a:hover { text-decoration: underline; text-underline-offset: 4px; }

footer { display: grid; grid-template-columns: 1fr 1.5fr 1fr auto; align-items: center; gap: 30px; padding: 32px var(--pad); background: var(--ink); color: rgba(255,255,255,.66); font-family: "Courier New", monospace; font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
footer a { width: 118px; color: var(--white); }
footer p { margin: 0; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-header { height: 72px; }
  .menu-button { display: flex; align-items: center; gap: 11px; }
  .menu-button i { display: block; width: 24px; height: 1px; background: currentColor; box-shadow: 0 6px currentColor; }
  .site-nav { display: none; position: absolute; inset: 100% 0 auto; flex-direction: column; align-items: stretch; gap: 0; padding: 16px var(--pad) 26px; background: var(--paper); color: var(--ink); border-bottom: 1px solid var(--ink); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 16px 0 !important; border-bottom: 1px solid var(--line) !important; }
  .nav-cta { margin: 8px 0 0; padding-inline: 14px !important; }
  .hero-grid { grid-template-columns: 1fr; padding-top: 136px; }
  .hero-index { display: none; }
  .section-shell { grid-template-columns: 70px 1fr; }
  .intro-copy, .section-note, .contact-details { grid-column: 2; }
  .materials-heading > .section-note { margin-top: 8px; }
  .material-feature { grid-template-columns: 1fr; }
  .feature-image { min-height: 58vw; }
  .feature-copy { min-height: 600px; }
  .material-pair { grid-template-columns: 1fr; }
  .material-card { border-right: 0; border-bottom: 1px solid var(--ink); }
  .approach-head { grid-template-columns: 70px 1fr; }
  .route { grid-template-columns: 70px 1fr; }
  .route-step { grid-column: 2; min-height: 340px; border-right: 0; }
  .route::before { grid-row: 1 / 4; }
  .statement { grid-template-columns: 1fr; }
  .statement-image { min-height: 66vw; }
  .statement-copy { min-height: 600px; }
  footer { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  :root { --pad: 20px; }
  .brand { width: 126px; }
  .hero { min-height: 900px; }
  .hero-grid { padding-bottom: 120px; }
  .hero h1 { max-width: 100%; font-size: clamp(52px, 17vw, 70px); letter-spacing: -.075em; }
  .hero-lead { max-width: 100%; }
  .hero-wordmark { bottom: -1vw; font-size: 39vw; }
  .section-shell { grid-template-columns: 1fr; }
  .section-code { margin-bottom: 22px; }
  .intro-copy, .section-note, .contact-details { grid-column: 1; }
  .intro-main h2, .materials-heading h2, .approach h2, .contact h2 { font-size: clamp(52px, 17vw, 82px); }
  .feature-image { min-height: 84vw; }
  .feature-copy { min-height: 560px; padding: 32px 22px; }
  .feature-copy h3 { font-size: 47px; }
  .material-pair { display: block; }
  .card-image { aspect-ratio: 4 / 3; }
  .card-body { min-height: 330px; grid-template-columns: 1fr; }
  .card-body h3, .card-body p, .card-body a { grid-column: 1; }
  .card-body h3 { margin-top: 38px; }
  .approach-head, .route { grid-template-columns: 1fr; }
  .route::before { display: none; }
  .route-step { grid-column: 1; min-height: 330px; }
  .statement-image { min-height: 90vw; }
  .statement-copy { min-height: 570px; }
  .statement-copy h2 { font-size: 16vw; }
  footer { grid-template-columns: 1fr; gap: 18px; }
}

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