:root { --black: #000; --ink: #0B0D10; --white: #fff; --mist: #F0F3F7; --grey: #F4F4F4; --line: #D5DAE1; --text: #16191D;
        --muted: #5B6470; --amber: #E8772E; --amber-dk: #B9571A; --blue: #3B6FE0; --pink: #D63C7A; --gutter: 24px; color-scheme: light; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--white); color: var(--text); font: 400 17px/1.6 Inter, "Segoe UI", system-ui, sans-serif; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-family: "Inter Tight", Inter, sans-serif; font-weight: 400; letter-spacing: -0.02em; text-wrap: balance; }
p { margin: 0; }
.wrap { max-width: 1240px; margin: 0 auto; padding-inline: var(--gutter); }
.mono, .kick, .btn, .nav a { font-family: "IBM Plex Mono", monospace; }
.kick { display: grid; gap: 16px; font-size: 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--text); }
.kick::before { content: ""; width: 104px; border-top: 1px solid currentColor; }
.lead { font: 400 clamp(22px, 2.3vw, 30px)/1.3 "Inter Tight", sans-serif; letter-spacing: -0.01em; max-width: 34ch; }
.btn { display: inline-block; padding: 12px 22px; border: 1px solid currentColor; text-decoration: none; font-size: 13.5px; text-transform: uppercase; letter-spacing: .06em; background: transparent; transition: background .2s, color .2s; }
.btn:hover { background: var(--text); color: #fff; }
.on-dark .btn:hover, .btn.light:hover { background: #fff; color: #000; }
.btn.amber { background: var(--amber); border-color: var(--amber); color: #fff; }
.caption { font-size: 13.5px; color: var(--muted); }

/* header */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; transition: background .3s; }
.site-header.solid, .site-header.scrolled { background: rgba(0,0,0,.92); backdrop-filter: blur(6px); }
.bar { display: flex; align-items: center; justify-content: space-between; height: 84px; padding-inline: 28px; }
.logo img { height: 38px; width: auto; }
.nav { display: flex; gap: 32px; }
.nav a { color: #fff; text-decoration: none; font-size: 15px; text-transform: uppercase; letter-spacing: .03em; padding: 6px 0; border-bottom: 1px solid transparent; white-space: nowrap; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--amber); }
.menu-btn { display: none; background: none; border: 1px solid rgba(255,255,255,.6); color: #fff; font: 500 13px "IBM Plex Mono", monospace; text-transform: uppercase; padding: 8px 12px; cursor: pointer; }
@media (max-width: 1000px) {
  .menu-btn { display: block; }
  .bar { height: 68px; padding-inline: 18px; } .logo img { height: 30px; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #000; flex-direction: column; gap: 0; padding: 6px 24px 18px;
         max-height: calc(100vh - 68px); max-height: calc(100dvh - 68px); overflow-y: auto; }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
  .site-header { background: rgba(0,0,0,.92); }
}

/* hero */
.hero { position: relative; min-height: 100svh; max-height: 980px; display: grid; align-items: center; overflow: hidden; background: #0b0f14; color: #fff; }
.hero .bgv, .band .bgv, .page-hero .bgv { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero .bg { position: absolute; inset: -4%; background: center / cover no-repeat; animation: drift 38s ease-in-out infinite alternate; }
@keyframes drift { from { transform: scale(1) translate(0, 0); } to { transform: scale(1.1) translate(-2%, -1.5%); } }
@media (prefers-reduced-motion: reduce) { .hero .bg { animation: none; } }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,11,15,.72) 0%, rgba(8,11,15,.45) 45%, rgba(8,11,15,.8) 100%); }
.hero .inner { position: relative; z-index: 1; padding: 150px var(--gutter) 90px; max-width: 1240px; margin: 0 auto; width: 100%; text-align: center; display: grid; gap: 28px; justify-items: center; }
.hero h1 { font-weight: 300; font-size: clamp(44px, 6.4vw, 92px); line-height: 1.04; letter-spacing: -0.03em; max-width: 14ch; }
.hero p { max-width: 60ch; font-size: 19px; color: rgba(255,255,255,.86); }
.hero .ctas { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.page-hero { position: relative; min-height: 520px; display: grid; align-items: end; color: #fff; background: #0b0f14 center / cover no-repeat; }
.page-hero::after { z-index: 0; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,11,15,.55), rgba(8,11,15,.82)); }
.page-hero .inner { position: relative; z-index: 1; padding: 150px var(--gutter) 70px; max-width: 1240px; margin: 0 auto; width: 100%; display: grid; gap: 18px; }
.page-hero .kick { color: #fff; }
.page-hero h1 { font-weight: 300; font-size: clamp(38px, 5vw, 72px); line-height: 1.05; max-width: 18ch; }

/* sections */
.sec { padding-block: 110px; }
.sec.mist { background: var(--mist); }
.sec.grey { background: var(--grey); }
.sec.black { background: #000; color: #fff; }
.sec.black .kick { color: #fff; }
.sec-head { display: grid; gap: 26px; margin-bottom: 56px; }
.center { text-align: center; }
.center .kick { justify-items: center; }
.goal { display: grid; gap: 22px; justify-items: center; text-align: center; }
.goal h2 { font-weight: 300; font-size: clamp(34px, 4.6vw, 64px); line-height: 1.08; max-width: 18ch; }

/* problem chart */
.chart { max-width: 1000px; margin: 0 auto; }
.chart svg { width: 100%; height: auto; display: block; }
.chart .ttl { text-align: center; font: 300 clamp(24px, 2.6vw, 34px) "Inter Tight", sans-serif; margin-bottom: 26px; }
.chart .src { margin-top: 14px; font-size: 12.5px; color: #8C96A3; font-family: "IBM Plex Mono", monospace; }
.punch { max-width: 820px; margin: 60px auto 0; text-align: center; display: grid; gap: 22px; font: 300 clamp(20px, 2vw, 26px)/1.4 "Inter Tight", sans-serif; }
.chart.play .cbar { animation: barin .7s ease-out both; }
@keyframes barin { from { opacity: 0; } to { opacity: 1; } }
.chart .legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px; margin-top: 16px; font: 400 13px "IBM Plex Mono", monospace; color: #B8C0CB; }
.chart .legend i { display: inline-block; width: 16px; height: 12px; margin-right: 8px; vertical-align: -1px; }
.chart .legend i.solid { background: #E8772E; }
.chart .legend i.hatch { border: 1.5px solid #E8772E; background: repeating-linear-gradient(45deg, #E8772E 0 2px, transparent 2px 5px); }
.chart .legend i.range { width: 2px; height: 14px; background: #fff; margin-left: 6px; margin-right: 12px; }
.versus { display: grid; grid-template-columns: 1fr auto 1fr; gap: 30px; align-items: center; margin-top: 44px; text-align: center; }
.versus .n { font: 300 clamp(40px, 5vw, 68px)/1 "Inter Tight", sans-serif; letter-spacing: -0.02em; color: #fff; }
.versus > div:last-child .n { color: var(--amber); }
.versus .l { margin-top: 10px; color: #B8C0CB; font-size: 16px; }
.versus .vs { font: 400 15px "IBM Plex Mono", monospace; color: #8C96A3; text-transform: uppercase; }
@media (max-width: 640px) { .versus { grid-template-columns: minmax(0, 1fr); gap: 16px; } }

/* solution diagram */
.diagram { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; position: relative; }
.node { display: grid; gap: 14px; justify-items: center; text-align: center; position: relative; }
.node .ring { width: 92px; height: 92px; border: 2px solid var(--text); border-radius: 50%; display: grid; place-items: center; background: var(--mist); position: relative; z-index: 1; }
.node .ring svg { width: 44px; height: 44px; }
.node h3 { font-weight: 300; font-size: clamp(28px, 2.8vw, 40px); line-height: 1.08; }
.node .sub { font-size: 16px; color: var(--muted); }
video.shot, video.fimg, .row figure video { display: block; }
.node .shot { width: 100%; max-width: 360px; aspect-ratio: 16 / 10; object-fit: cover; margin-top: 8px; background: #000; }
.node p { font-size: 15.5px; color: var(--muted); max-width: 30ch; }
.diagram::before { content: ""; position: absolute; top: 46px; left: 16.6%; right: 16.6%; border-top: 1.5px solid var(--text); }
.diagram .node:not(:last-child)::after { content: ""; position: absolute; top: 40px; right: -22px; border-left: 12px solid var(--text); border-top: 7px solid transparent; border-bottom: 7px solid transparent; }

/* example walkthrough */
.walk { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.35); }
.walk > div { padding: 26px 26px 0 0; display: grid; gap: 12px; align-content: start; }
.walk .n { font: 500 13px "IBM Plex Mono", monospace; color: var(--amber); text-transform: uppercase; letter-spacing: .06em; }
.walk h3 { font-weight: 400; font-size: 22px; line-height: 1.25; color: #fff; }
.walk p { font-size: 15.5px; color: #B8C0CB; }
.result { margin-top: 56px; display: grid; grid-template-columns: auto 1fr; gap: 36px; align-items: center; border: 1px solid var(--amber); padding: 30px 34px; }
.result .big { font: 300 clamp(40px, 5vw, 70px)/1 "Inter Tight", sans-serif; color: var(--amber); letter-spacing: -0.02em; white-space: nowrap; }
.result p { color: #D5DAE1; font-size: 17px; }

/* fields */
.fields { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.fields > div { padding: 28px 26px 30px 0; display: grid; gap: 12px; align-content: start; border-right: 1px solid var(--line); padding-left: 26px; }
.fields > div:first-child { padding-left: 0; } .fields > div:last-child { border-right: 0; }
.fields .state { font: 500 12.5px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .06em; }
.fields .state.live { color: var(--amber-dk); } .fields .state.tested { color: var(--blue); } .fields .state.next { color: var(--muted); }
.fields .fimg { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; margin-bottom: 6px; background: #000; }
.fields h3 { font-weight: 400; font-size: 26px; line-height: 1.15; }
.fields p { font-size: 15.5px; color: var(--muted); }

/* photo band */
.band { position: relative; min-height: 620px; display: grid; align-items: center; color: #fff; background: #111 center / cover no-repeat; }
.band::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.78) 0%, rgba(0,0,0,.45) 55%, rgba(0,0,0,.15) 100%); }
.band .inner { position: relative; z-index: 1; max-width: 1240px; margin: 0 auto; padding: 90px var(--gutter); width: 100%; display: grid; gap: 24px; }
.band .kick { color: #fff; }
.band h2 { font-weight: 400; font-size: clamp(30px, 3.4vw, 46px); line-height: 1.12; max-width: 22ch; }
.band p { max-width: 58ch; color: rgba(255,255,255,.88); }

/* numbers, proven with */
.nums { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
.nums div { border-top: 1px solid var(--line); padding-top: 18px; }
.nums .n { font: 300 clamp(38px, 4vw, 56px)/1 "Inter Tight", sans-serif; letter-spacing: -0.02em; }
.nums .l { margin-top: 10px; font-size: 15px; color: var(--muted); }
.proven { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 26px 56px; }
.proven span { font: 500 18px "IBM Plex Mono", monospace; letter-spacing: .04em; color: #D5DAE1; text-transform: uppercase; }
.proven img { height: 34px; width: auto; opacity: .9; }

/* generic rows / cards */
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; padding-block: 60px; }
.row.flip .copy { order: 2; }
.row .copy { display: grid; gap: 18px; align-content: start; }
.row h2 { font-weight: 400; font-size: clamp(30px, 3vw, 42px); line-height: 1.1; }
.row p { color: var(--muted); }
.row figure { margin: 0; }
.row figure video.lazyv { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: #000; }
.row figure img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: #000; }
.row figure video.rowv { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; display: block; background: #000; }
.row figcaption { margin-top: 10px; font-size: 13.5px; color: var(--muted); font-family: "IBM Plex Mono", monospace; }
.points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 36px; }
.points div { border-top: 1px solid var(--text); padding-top: 18px; display: grid; gap: 8px; align-content: start; }
.points b { font: 500 20px "Inter Tight", sans-serif; }
.points p { font-size: 15.5px; color: var(--muted); }
.lines { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid rgba(255,255,255,.35); }
.lines > div { padding: 26px 26px 0 0; display: grid; gap: 10px; align-content: start; }
.lines .n { font: 500 13px "IBM Plex Mono", monospace; color: var(--amber); text-transform: uppercase; letter-spacing: .06em; }
.lines h3 { font-weight: 400; font-size: 26px; color: #fff; }
.lines p { color: #B8C0CB; font-size: 15.5px; }
.time { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--text); }
.time li { padding: 22px 20px 0 0; position: relative; }
.time li::before { content: ""; position: absolute; top: -6px; left: 0; width: 11px; height: 11px; border-radius: 50%; background: var(--text); }
.time li.next::before { background: var(--white); border: 1.5px solid var(--amber); }
.time .d { font: 500 13px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .06em; color: var(--amber-dk); }
.time p { margin-top: 8px; font-size: 15.5px; }
.team { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
.team figure { margin: 0; display: grid; gap: 12px; align-content: start; }
.team img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; filter: grayscale(1); transition: filter .3s; }
.team figure:hover img { filter: none; }
.team b { font: 500 19px "Inter Tight", sans-serif; }
.team .role { font: 500 12.5px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .05em; color: var(--amber-dk); }
.team p { font-size: 15px; color: var(--muted); }
.project { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding-block: 60px; border-top: 1px solid var(--line); }
.project .copy { display: grid; gap: 16px; }
.project h2 { font-weight: 400; font-size: clamp(28px, 2.8vw, 40px); line-height: 1.12; }
.project p { color: var(--muted); }
.project figure { margin: 0; }
.project img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 1px solid var(--line); background: #fff; }
.project figcaption { margin-top: 10px; font-size: 13.5px; color: var(--muted); font-family: "IBM Plex Mono", monospace; }
.cta { background: #000; color: #fff; padding-block: 120px; text-align: center; }
.cta .wrap { display: grid; gap: 30px; justify-items: center; }
.cta h2 { font-weight: 300; font-size: clamp(36px, 4.6vw, 64px); line-height: 1.06; max-width: 18ch; }
.cta p { color: #B8C0CB; max-width: 58ch; }
.email { font: 400 clamp(26px, 3vw, 40px) "Inter Tight", sans-serif; word-break: break-word; }
.site-footer { background: #000; color: #8C96A3; border-top: 1px solid #1d2126; }
.site-footer .inner { max-width: 1240px; margin: 0 auto; padding: 34px var(--gutter); display: flex; flex-wrap: wrap; gap: 18px 30px; justify-content: space-between; align-items: center; font: 400 13px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .04em; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer img { height: 28px; width: auto; }
@media (max-width: 1000px) {
  .diagram, .walk, .fields, .nums, .points, .lines, .team, .time { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .diagram::before, .diagram .node::after { display: none; }
  .fields > div { border-right: 0; padding-left: 0; }
  .row, .project { grid-template-columns: minmax(0, 1fr); gap: 30px; } .row.flip .copy { order: 0; }
  .result { grid-template-columns: minmax(0, 1fr); }
  .sec { padding-block: 80px; }
}
@media (max-width: 640px) {
  .diagram, .walk, .fields, .nums, .points, .lines, .team, .time { grid-template-columns: minmax(0, 1fr); }
  .time { border-top: 0; border-left: 1px solid var(--text); } .time li { padding: 0 0 22px 22px; } .time li::before { top: 6px; left: -6px; }
  .hero .inner { padding-top: 120px; } body { font-size: 16.5px; }
  .band { min-height: 520px; }
}

.kx { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.kx .step { border: 1px solid #262b33; background: #0b0e12; padding: 26px 26px 28px; display: grid; gap: 14px; align-content: start; }
.kx .sn { font: 500 13px "IBM Plex Mono", monospace; color: var(--amber); text-transform: uppercase; letter-spacing: .06em; }
.kx h3 { font-weight: 400; font-size: 24px; color: #fff; line-height: 1.2; }
.kx p { color: #B8C0CB; font-size: 15.5px; }
.kx .pages { display: grid; grid-template-columns: 0.62fr 1fr; gap: 12px; align-items: start; }
.kx .pages img { width: 100%; border: 1px solid #333; background: #fff; }
.kx .cap { font: 400 12.5px "IBM Plex Mono", monospace; color: #8C96A3; }
.rec { font: 400 14px/1.6 "IBM Plex Mono", monospace; color: #D5DAE1; background: #11161d; border: 1px solid #262b33; padding: 16px 18px; overflow-x: auto; white-space: pre; }
.rec .k { color: #8C96A3; } .rec .v { color: #fff; } .rec .hl { color: var(--amber); }
.graph svg { width: 100%; height: auto; display: block; }
.combo { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.combo td { padding: 10px 10px 10px 0; border-bottom: 1px solid #262b33; color: #D5DAE1; vertical-align: top; }
.combo td.t { color: #fff; font: 500 15px "IBM Plex Mono", monospace; white-space: nowrap; text-align: right; }
.combo tr.flag td, .combo tr.flag td.t { color: #8C96A3; }
.combo .doi { display: block; font: 400 11.5px "IBM Plex Mono", monospace; color: #6E7885; }
.q { font: 400 19px "Inter Tight", sans-serif; color: #fff; border-left: 2px solid var(--amber); padding-left: 14px; }
.answer { border: 1px solid var(--amber); padding: 16px 18px; color: #E7EBF0; font-size: 15.5px; }
.answer b { color: var(--amber); font-weight: 500; }
@media (max-width: 1000px) { .kx { grid-template-columns: minmax(0, 1fr); } }