:root {
  --bg: #0B0B0C;
  --bg-2: #121214;
  --paper: #F7F7F5;
  --ink: #1A1A1A;
  --red: #E63946;
  --red-dim: rgba(230, 57, 70, .14);
  --line: rgba(247, 247, 245, .12);
  --line-ink: rgba(26, 26, 26, .12);
  --muted: rgba(247, 247, 245, .62);
  --muted-ink: rgba(26, 26, 26, .66);
  --display: "Saira", system-ui, sans-serif;
  --sans: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --gutter: clamp(16px, 4vw, 56px);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--paper); font: 400 16px/1.65 var(--sans); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
em { font-style: italic; color: var(--red); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--red); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 var(--gutter); }
.center { text-align: center; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--red); margin-right: 10px; box-shadow: 0 0 0 0 rgba(230,57,70,.6); animation: ping 2s infinite; vertical-align: middle; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(230,57,70,.55); } 80%,100% { box-shadow: 0 0 0 10px rgba(230,57,70,0); } }

h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -.02em; line-height: 1.04; }
h1 { font-size: clamp(2.5rem, 6.2vw, 5.6rem); }
h2 { font-size: clamp(2rem, 4.6vw, 3.9rem); }
h3 { font-size: 1.3rem; letter-spacing: -.01em; }
.eyebrow, .label, .mono { font-family: var(--mono); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; }
.label { color: var(--muted); margin-bottom: 28px; display: flex; align-items: center; gap: 12px; }
.label b { color: var(--red); font-weight: 500; }
.label::after { content: ""; flex: 0 0 40px; height: 1px; background: currentColor; opacity: .5; }
.center .label, .label.center { justify-content: center; }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--muted); max-width: 40rem; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 26px; background: var(--red); color: #fff; font: 600 15px/1 var(--sans); border: 1px solid var(--red); border-radius: 2px; transition: background .2s, color .2s, transform .2s; white-space: nowrap; }
.btn:hover { background: #C82F3C; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--paper); border-color: rgba(247,247,245,.35); }
.btn-ghost:hover { background: rgba(247,247,245,.08); border-color: var(--paper); }
.btn-sm { min-height: 40px; padding: 0 18px; font-size: 14px; }

/* NAV */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; display: flex; align-items: center; gap: 32px; padding: 14px var(--gutter); transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
.nav.scrolled { background: rgba(11,11,12,.78); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-color: var(--line); }
.nav-logo { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.nav-logo img { width: 92px; height: auto; }
.nav-word { font: 500 11px/1 var(--mono); letter-spacing: .32em; color: var(--muted); padding-left: 12px; border-left: 1px solid var(--line); }
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: 14px; color: var(--muted); transition: color .2s; }
.nav-links a:hover { color: var(--paper); }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; position: relative; cursor: pointer; }
.nav-toggle span { position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--paper); transition: transform .25s, top .25s; }
.nav-toggle span:first-child { top: 15px; } .nav-toggle span:last-child { top: 24px; }
.nav.open .nav-toggle span:first-child { top: 20px; transform: rotate(45deg); }
.nav.open .nav-toggle span:last-child { top: 20px; transform: rotate(-45deg); }

/* HERO */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; padding: 120px 0 90px; isolation: isolate; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hero-grid { position: absolute; inset: 0; z-index: -2; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 64px 64px; mask-image: radial-gradient(ellipse 80% 70% at 70% 45%, #000 20%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 45%, #000 20%, transparent 75%); opacity: .45; }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 30%; background: linear-gradient(transparent, var(--bg)); z-index: -1; pointer-events: none; }
.hero-inner { position: relative; }
.hero .eyebrow { color: var(--muted); margin-bottom: 28px; }
.hero h1 { max-width: 14ch; text-shadow: 0 2px 40px rgba(11,11,12,.6); }
.hero .lede { margin: 28px 0 40px; max-width: 34rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.center .hero-cta { justify-content: center; }
.hud { position: absolute; right: var(--gutter); bottom: 96px; width: 220px; border: 1px solid var(--line); background: rgba(11,11,12,.55); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); padding: 14px 16px; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; }
.hud::before, .hud::after { content: ""; position: absolute; width: 10px; height: 10px; border: 1px solid var(--red); }
.hud::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.hud::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.hud-head { color: var(--muted); font-size: 10px; letter-spacing: .18em; margin-bottom: 10px; }
.hud dl div { display: flex; justify-content: space-between; padding: 5px 0; border-top: 1px solid var(--line); }
.hud dt { color: var(--muted); }
.hud dd { color: var(--paper); font-variant-numeric: tabular-nums; }
#hud-edge { color: var(--red); }
.scroll-cue { position: absolute; left: 50%; bottom: 28px; width: 22px; height: 36px; border: 1px solid rgba(247,247,245,.4); border-radius: 12px; transform: translateX(-50%); }
.scroll-cue span { position: absolute; left: 50%; top: 7px; width: 2px; height: 7px; background: var(--paper); transform: translateX(-50%); animation: cue 1.8s infinite; }
@keyframes cue { 0% { opacity: 0; transform: translate(-50%, 0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, 12px); } }

/* SECTIONS */
.section { padding: clamp(80px, 12vw, 160px) 0; background: var(--paper); color: var(--ink); position: relative; }
.section .label { color: var(--muted-ink); }
.section .prose, .section .lede { color: var(--muted-ink); }
.section-dark { background: var(--bg); color: var(--paper); }
.section-dark .label, .section-dark .prose, .section-dark .lede { color: var(--muted); }
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.prose { font-size: 1.06rem; display: grid; gap: 18px; max-width: 36rem; }
.prose .strong { color: var(--red); font-weight: 600; font-size: 1.15rem; }
.center h2 { margin: 0 auto; }

/* LAYER */
.layer { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; margin-top: clamp(48px, 7vw, 96px); }
.stack { position: relative; height: 460px; perspective: 1100px; }
.plate, .machine-base { position: absolute; left: 50%; width: min(360px, 80%); height: 150px; transform-style: preserve-3d; transition: transform .6s cubic-bezier(.2,.8,.2,1), border-color .4s, background .4s; }
.plate { border: 1px solid rgba(247,247,245,.3); background: linear-gradient(135deg, rgba(247,247,245,.06), rgba(247,247,245,.01)); }
.plate span { position: absolute; left: 14px; top: 10px; font: 500 11px/1 var(--mono); letter-spacing: .24em; color: var(--muted); transform: none; }
.plate.p1 { top: 250px; } .plate.p2 { top: 180px; } .plate.p3 { top: 110px; } .plate.p4 { top: 40px; }
.plate { transform: translateX(-50%) rotateX(62deg) rotateZ(-38deg); }
.plate.on { border-color: var(--red); background: linear-gradient(135deg, rgba(230,57,70,.28), rgba(230,57,70,.04)); box-shadow: 0 0 40px rgba(230,57,70,.25); }
.plate.on span { color: #fff; }
.machine-base { top: 330px; transform: translateX(-50%) rotateX(62deg) rotateZ(-38deg); border: 1px dashed rgba(247,247,245,.25); display: flex; align-items: flex-end; justify-content: flex-end; padding: 10px 14px; font: 500 10px/1 var(--mono); letter-spacing: .24em; color: var(--muted); }
.tiers { list-style: none; display: grid; gap: 4px; }
.tier { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 24px 0; border-top: 1px solid var(--line); transition: opacity .3s; }
.tier-n { font: 500 12px/1.6 var(--mono); color: var(--red); letter-spacing: .1em; }
.tier h3 { margin-bottom: 8px; font-size: 1.5rem; }
.tier p { color: var(--muted); }

/* MACHINES */
.machines { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-ink); border: 1px solid var(--line-ink); margin-top: clamp(40px, 6vw, 80px); }
.m { background: var(--paper); padding: 28px 22px 22px; display: flex; flex-direction: column; gap: 16px; position: relative; transition: background .25s; }
.m:hover { background: #fff; }
.m svg { width: 64px; height: 64px; fill: none; stroke: var(--ink); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.m.next svg { stroke: rgba(26,26,26,.38); }
.m span { font-family: var(--display); font-weight: 600; font-size: 1.05rem; }
.m i { position: absolute; top: 18px; right: 18px; font: 500 10px/1 var(--mono); letter-spacing: .2em; font-style: normal; color: var(--muted-ink); }
.m.now i { color: var(--red); }
.m.now i::before { content: ""; display: inline-block; width: 6px; height: 6px; background: var(--red); border-radius: 50%; margin-right: 6px; vertical-align: 1px; }

/* CRANES */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: clamp(48px, 7vw, 96px); }
.fact { background: var(--bg); padding: 28px 24px; display: grid; gap: 10px; }
.fact b { font-family: var(--display); font-size: 1.25rem; font-weight: 600; }
.fact b::before { content: ""; display: block; width: 24px; height: 2px; background: var(--red); margin-bottom: 18px; }
.fact span { color: var(--muted); font-size: .95rem; }

/* PRINCIPLES */
.principles { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
.pr { border-top: 2px solid var(--ink); padding-top: 20px; display: grid; gap: 10px; align-content: start; }
.pr span { font: 500 11px/1 var(--mono); color: var(--red); letter-spacing: .2em; }
.pr p { color: var(--muted-ink); font-size: .96rem; }

/* FRONTIER */
.road { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: clamp(48px, 7vw, 96px); position: relative; }
.road::before { content: ""; position: absolute; left: 0; right: 0; top: 11px; height: 1px; background: linear-gradient(90deg, var(--red), rgba(247,247,245,.25) 40%, rgba(247,247,245,.06)); }
.road li { padding: 0 32px 0 0; position: relative; }
.road h3 { font-size: 1.6rem; margin: 40px 0 12px; }
.road p { color: var(--muted); max-width: 22rem; }
.road-tag { position: relative; display: inline-block; font: 500 10px/1 var(--mono); letter-spacing: .22em; padding: 6px 10px; border: 1px solid rgba(247,247,245,.3); background: var(--bg); color: var(--muted); }
.road-tag.now { border-color: var(--red); color: #fff; background: var(--red); }

/* COMPANY */
.meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-ink); border: 1px solid var(--line-ink); margin-top: 16px; }
.meta div { background: var(--paper); padding: 18px 20px; }
.meta dt { font: 500 10px/1 var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--muted-ink); margin-bottom: 8px; }
.meta dd { font: 700 1.6rem/1 var(--display); color: var(--ink); }

/* CONTACT */
.contact h2 { margin-bottom: 24px; }
.contact .lede { margin: 0 auto 40px; }
.contact { overflow: hidden; }
.contact::before { content: ""; position: absolute; left: 50%; top: 50%; width: 900px; height: 900px; transform: translate(-50%, -50%); background: radial-gradient(circle, rgba(230,57,70,.16), transparent 60%); pointer-events: none; }
.contact .wrap { position: relative; }

/* FOOTER */
.foot { background: var(--bg); border-top: 3px solid var(--red); padding: 40px 0; color: var(--muted); font-size: 14px; }
.foot-inner { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.foot-inner img { width: 80px; height: auto; }
.foot-inner .mono { margin-left: auto; }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .principles { grid-template-columns: repeat(2, 1fr); }
  .machines { grid-template-columns: repeat(2, 1fr); }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .hud { display: none; }
}
@media (max-width: 900px) {
  .nav-links { position: fixed; inset: 64px 0 auto; flex-direction: column; gap: 0; background: rgba(11,11,12,.96); border-bottom: 1px solid var(--line); padding: 8px var(--gutter) 20px; transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .nav.open .nav-links { opacity: 1; transform: none; pointer-events: auto; }
  .nav.open { background: rgba(11,11,12,.96); }
  .nav-toggle { display: block; }
  .nav .btn-sm { display: none; }
  .split, .layer { grid-template-columns: 1fr; }
  .stack { height: 380px; transform: scale(.85); transform-origin: top center; margin-bottom: 24px; }
  .road { grid-template-columns: 1fr; gap: 40px; }
  .road::before { left: 11px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; background: linear-gradient(var(--red), rgba(247,247,245,.1)); }
  .road li { padding-left: 40px; }
  .road h3 { margin-top: 16px; }
  .road-tag { margin-left: -40px; }
}
@media (max-width: 560px) {
  #hero-canvas { opacity: .38; }
  .br-d { display: none; }
  .principles, .facts { grid-template-columns: 1fr; }
  .machines { grid-template-columns: 1fr 1fr; }
  .m { padding: 22px 16px 18px; }
  .m svg { width: 48px; height: 48px; }
  .m i { top: 12px; right: 12px; }
  .meta dd { font-size: 1.3rem; }
  .nav-word { display: none; }
  .btn { width: 100%; }
  .foot-inner .mono { margin-left: 0; }
  .hero { padding-top: 104px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .dot, .scroll-cue span { animation: none; }
}