/* OMNI · omni.trixyz.com
   Two text colours (white and cyan), Segoe UI Light with Consolas for labels,
   hairlines instead of boxes. The screenshots carry the colour. */

:root {
  --bg: #05060a;
  --bg-2: #0a0c12;
  --ink: #eef1f7;
  --ink-2: #b9c0ce;
  --muted: #858da0;
  --cyan: #9df6ff;
  --line: rgba(238, 241, 247, .12);
  --line-2: rgba(238, 241, 247, .24);
  --sans: 'Segoe UI', 'Open Sans', system-ui, -apple-system, sans-serif;
  --mono: Consolas, 'Cascadia Mono', Menlo, 'DejaVu Sans Mono', monospace;
  --gutter: clamp(16px, 4vw, 56px);
  --max: 1240px;
  --bar: 60px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--bar) + 12px); }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4, p, dl, dd, figure, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--cyan); color: var(--bg); }
:focus-visible { outline: 1px solid var(--cyan); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: var(--bg); padding: 8px 12px; text-decoration: none; }
.skip:focus { top: 12px; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ── Type ─────────────────────────────────────────────────────────────── */
h2 { font-weight: 300; font-size: clamp(30px, 4.4vw, 54px); line-height: 1.12; letter-spacing: -.005em; max-width: 19em; margin-bottom: 22px; text-wrap: balance; }
h2 em, h3 em { font-style: normal; color: var(--cyan); }
h3 { font-weight: 400; font-size: 20px; line-height: 1.3; }
.lead { font-size: clamp(16px, 1.5vw, 18.5px); color: var(--ink-2); max-width: 680px; text-wrap: pretty; }
.lead--sm { font-size: 16px; margin-bottom: 32px; }
.body { color: var(--ink-2); margin: 12px 0 24px; }
.aside { color: var(--muted); font-size: 14px; max-width: 760px; margin-top: 40px; }

.link-btn {
  display: inline-block; padding: 12px 20px; border: 1px solid var(--line-2); text-decoration: none;
  font-size: 14px; letter-spacing: .02em; transition: border-color .2s, color .2s;
}
.link-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.link-btn--quiet { border-color: transparent; padding-left: 4px; padding-right: 4px; text-decoration: underline; text-underline-offset: 6px; text-decoration-color: var(--line-2); }
.link-btn--quiet:hover { border-color: transparent; text-decoration-color: var(--cyan); }

/* ── Top bar ──────────────────────────────────────────────────────────── */
.top {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--bar); display: flex; align-items: center; gap: 28px;
  padding: 0 var(--gutter); border-bottom: 1px solid transparent; transition: background-color .3s, border-color .3s;
}
.top.is-solid { background: rgba(5, 6, 10, .94); border-bottom-color: var(--line); }
.mark { font-weight: 300; font-size: 16px; letter-spacing: .42em; text-decoration: none; margin-right: -.42em; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { font-size: 14px; color: var(--ink-2); text-decoration: none; padding: 6px 0; border-bottom: 1px solid transparent; transition: color .2s; }
.nav a:hover { color: var(--ink); }
.nav a.is-active { color: var(--ink); border-bottom-color: var(--cyan); }
.lang { display: flex; align-items: center; gap: 6px; font: 13px var(--mono); color: var(--muted); }
.lang button { background: none; border: 0; padding: 4px 2px; cursor: pointer; color: var(--muted); font: inherit; letter-spacing: .08em; }
.lang button[aria-pressed="true"] { color: var(--cyan); }
.menu { display: none; background: none; border: 1px solid var(--line-2); padding: 6px 12px; cursor: pointer; font-size: 13px; }
.menu-list { position: fixed; inset: var(--bar) 0 auto; z-index: 49; display: grid; padding: 8px var(--gutter) 18px; background: rgba(5,6,10,.97); border-bottom: 1px solid var(--line); }
.menu-list[hidden] { display: none; }
.menu-list a { padding: 13px 0; border-bottom: 1px solid var(--line); text-decoration: none; font-weight: 300; font-size: 20px; }
@media (max-width: 1100px) { .nav { display: none; } .lang { margin-left: auto; } .menu { display: block; } }

/* ── Hero: the cover image, live ──────────────────────────────────────── */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; padding: calc(var(--bar) + 80px) 0 56px; overflow: hidden; isolation: isolate; }
.hero__video { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.hero__shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(to top, var(--bg) 0%, rgba(5,6,10,.55) 38%, rgba(5,6,10,.1) 70%, rgba(5,6,10,.45) 100%); }
.hero__url { position: absolute; top: calc(var(--bar) + 28px); left: var(--gutter); font: 13px var(--mono); letter-spacing: .14em; color: var(--cyan); }
.hero__title { font-weight: 300; font-size: clamp(76px, 15vw, 196px); line-height: .95; letter-spacing: .38em; margin-right: -.38em; margin-left: -.05em; }
.hero__sub { font-weight: 300; font-size: clamp(18px, 2.3vw, 30px); color: var(--ink-2); margin-top: 10px; }
.hero__sub .dot { padding: 0 .3em; }
.hero__lead { max-width: 600px; margin-top: 22px; color: var(--ink-2); font-size: 16.5px; }
.hero__links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero__facts { display: flex; flex-wrap: wrap; gap: 6px 0; margin-top: 44px; padding-top: 16px; border-top: 1px solid var(--line); font: 12.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.hero__facts li:not(:last-child)::after { content: "·"; padding: 0 14px; color: var(--muted); }

/* ── Sections ─────────────────────────────────────────────────────────── */
.sec { padding: clamp(80px, 11vw, 140px) 0; border-top: 1px solid var(--line); }
.sec--wide .wrap { max-width: 1440px; }
.h3-lg { font-weight: 300; font-size: clamp(22px, 2.6vw, 30px); margin: clamp(72px, 9vw, 110px) 0 12px; }

.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 44px; }
.three > div { border-top: 1px solid var(--line-2); padding-top: 18px; }
.three h3 { margin-bottom: 10px; }
.three p { color: var(--ink-2); font-size: 15.5px; }
.diagram { margin-top: 64px; }
.diagram svg { width: 100%; height: auto; }
.diagram figcaption { margin-top: 18px; color: var(--muted); font-size: 14px; max-width: 760px; }
.flow { animation: flow 1.4s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -18; } }

/* Definition rows: a datasheet, not cards */
.rows { margin-top: 56px; border-bottom: 1px solid var(--line); }
.rows > div { display: grid; grid-template-columns: minmax(180px, 260px) 1fr; gap: 32px; padding: 20px 0; border-top: 1px solid var(--line); }
.rows dt { font-weight: 600; font-size: 15px; }
.rows dd { color: var(--ink-2); font-size: 15.5px; max-width: 720px; }
.rows--tight { margin-top: 0; }
.rows--tight > div { grid-template-columns: 1fr; gap: 4px; padding: 16px 0; }

/* Figures */
.fig img, .fig video { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; background: var(--bg-2); outline: 1px solid var(--line); outline-offset: -1px; }
.fig figcaption { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.55; }
.fig figcaption b { color: var(--ink); font-weight: 600; }
.fig figcaption a { color: var(--ink-2); text-underline-offset: 4px; text-decoration-color: var(--line-2); margin-left: 6px; }
.fig figcaption a:hover { color: var(--cyan); text-decoration-color: var(--cyan); }
.fig__frame { position: relative; }

.split { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(28px, 4vw, 56px); align-items: start; margin-top: 44px; }
.split--flip { grid-template-columns: 1fr 1.35fr; align-items: center; margin-top: 64px; }
.split--video { align-items: center; }
.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cols2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 44px 28px; margin-top: 64px; }
#guests .cols2 { margin-top: 44px; }
@media (max-width: 900px) {
  .three, .split, .split--flip, .cols3 { grid-template-columns: 1fr; }
  .rows > div { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 760px) { .cols2 { grid-template-columns: 1fr; } }

/* ── Point cloud ──────────────────────────────────────────────────────── */
.pc { display: grid; grid-template-columns: 1.55fr 1fr; gap: clamp(24px, 3.5vw, 48px); margin-top: 48px; align-items: stretch; }
.pc__stage { position: relative; aspect-ratio: 4 / 3; background: #04050a; outline: 1px solid var(--line); outline-offset: -1px; touch-action: pan-y; cursor: grab; }
.pc__stage:active { cursor: grabbing; }
.pc__canvas, .pc__overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.pc__overlay { pointer-events: none; }
.pc__hint { position: absolute; left: 14px; bottom: 12px; font: 11.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); pointer-events: none; }
.pc__side { display: flex; flex-direction: column; }
.pc__modes { display: grid; border-top: 1px solid var(--line); counter-reset: m; }
.pc__modes button {
  display: flex; align-items: baseline; gap: 14px; text-align: left; background: none; border: 0; border-bottom: 1px solid var(--line);
  padding: 14px 0; cursor: pointer; font-weight: 300; font-size: 19px; color: var(--ink-2); transition: color .2s;
}
.pc__modes button::before { content: counter(m, decimal-leading-zero); counter-increment: m; font: 12px var(--mono); color: var(--muted); }
.pc__modes button:hover { color: var(--ink); }
.pc__modes button[aria-pressed="true"], .pc__modes button[aria-pressed="true"]::before { color: var(--cyan); }
.pc__caption { margin-top: 22px; color: var(--ink-2); font-size: 15.5px; min-height: 7.5em; }
.pc__note { margin-top: auto; padding-top: 18px; color: var(--muted); font-size: 12.5px; }
@media (max-width: 900px) { .pc { grid-template-columns: 1fr; } .pc__caption { min-height: 0; } }

/* ── VR & AR ──────────────────────────────────────────────────────────── */
.xr { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(28px, 4vw, 56px); margin-top: 48px; }
.xr__art { width: 100%; height: auto; background: var(--bg-2); outline: 1px solid var(--line); outline-offset: -1px; }
.xr__col h3 { margin: 22px 0 10px; display: flex; align-items: center; gap: 12px; font-weight: 300; font-size: 24px; }
.tag { font: 12px var(--mono); letter-spacing: .1em; color: var(--cyan); border: 1px solid var(--cyan); padding: 3px 7px 2px; }
.list li { color: var(--ink-2); font-size: 15.5px; padding: 12px 0; border-top: 1px solid var(--line); }
@media (max-width: 900px) { .xr { grid-template-columns: 1fr; } }

/* ── Worlds ───────────────────────────────────────────────────────────── */
.tabs { display: flex; flex-wrap: wrap; gap: 4px 24px; margin: 40px 0 28px; border-bottom: 1px solid var(--line); }
.tabs button { background: none; border: 0; border-bottom: 1px solid transparent; margin-bottom: -1px; padding: 10px 0; cursor: pointer; font-size: 14.5px; color: var(--ink-2); transition: color .2s; }
.tabs button:hover { color: var(--ink); }
.tabs button[aria-pressed="true"] { color: var(--cyan); border-bottom-color: var(--cyan); }
.tabs--sm { margin: 0; border: 0; gap: 4px 18px; }
.tabs--sm button { font: 12.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.worlds { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr)); gap: 34px 20px; }
.world[hidden] { display: none; }
.world button { all: unset; box-sizing: border-box; display: block; width: 100%; cursor: pointer; }
.world button:focus-visible { outline: 1px solid var(--cyan); outline-offset: 4px; }
.world img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; outline: 1px solid var(--line); outline-offset: -1px; transition: filter .3s, outline-color .3s; }
.world button:hover img { filter: brightness(1.12); outline-color: var(--cyan); }
.world__row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-top: 12px; }
.world__name { font-size: 16.5px; }
.world__cat { font: 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.world__desc { color: var(--muted); font-size: 13.5px; line-height: 1.5; margin-top: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.world__day { margin-top: 6px; font: 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); }

/* World viewer */
.lb { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 16px; }
.lb[hidden] { display: none; }
.lb__bg { position: absolute; inset: 0; background: rgba(3, 4, 7, .94); }
.lb__panel { position: relative; width: min(1400px, 100%); display: grid; gap: 18px; }
.lb__img { position: relative; }
.lb__img img { width: 100%; aspect-ratio: 16 / 9; max-height: calc(100svh - 190px); object-fit: cover; background: #000; outline: 1px solid var(--line); outline-offset: -1px; }
.lb__nav, .lb__close { position: absolute; z-index: 2; width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line-2); background: rgba(5,6,10,.75); cursor: pointer; font-size: 22px; line-height: 1; padding: 0; }
.lb__nav:hover, .lb__close:hover { border-color: var(--cyan); color: var(--cyan); }
.lb__nav { top: 50%; margin-top: -20px; }
.lb__nav--prev { left: 12px; } .lb__nav--next { right: 12px; }
.lb__close { top: 12px; right: 12px; }
.lb__meta { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; }
.lb__cat { font: 12px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.lb__meta h3 { font-weight: 300; font-size: clamp(22px, 3vw, 32px); margin: 2px 0 6px; }
.lb__meta p:not(.lb__cat) { color: var(--ink-2); max-width: 720px; }

/* ── Light show ───────────────────────────────────────────────────────── */
.patterns { columns: 2; column-gap: 24px; font: 12.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.patterns li { padding: 7px 0; break-inside: avoid; transition: color .15s; }
.patterns li.is-on { color: var(--cyan); }

/* ── Compare ──────────────────────────────────────────────────────────── */
.compare { position: relative; margin-top: 44px; user-select: none; touch-action: pan-y; outline: 1px solid var(--line); outline-offset: -1px; }
.split--flip .compare { margin-top: 0; }
.compare img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; pointer-events: none; }
.compare__b { position: absolute; inset: 0; clip-path: inset(0 0 0 var(--pos, 50%)); }
.compare__b img { height: 100%; }
.compare__range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; z-index: 3; }
.compare__line { position: absolute; top: 0; bottom: 0; left: var(--pos, 50%); width: 1px; background: var(--cyan); z-index: 2; pointer-events: none; }
.compare__line::after { content: "‹ ›"; position: absolute; top: 50%; left: 0; transform: translate(-50%, -50%); padding: 8px 9px; background: var(--bg); border: 1px solid var(--cyan); color: var(--cyan); font: 13px/1 var(--mono); white-space: nowrap; }
.compare__range:focus-visible ~ .compare__line::after { outline: 1px solid var(--ink); outline-offset: 3px; }
.compare__tag { position: absolute; bottom: 12px; z-index: 2; padding: 5px 8px; background: rgba(5,6,10,.8); font: 11.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.compare__tag--a { left: 12px; } .compare__tag--b { right: 12px; color: var(--cyan); }

/* ── Controller ───────────────────────────────────────────────────────── */
.fig--ui { margin-top: 44px; }
.fig--ui img { aspect-ratio: 1920 / 1200; }
.pins { position: absolute; inset: 0; }
.pin {
  position: absolute; transform: translate(-50%, -50%); width: 26px; height: 26px; display: grid; place-items: center;
  border: 1px solid var(--cyan); background: rgba(5,6,10,.88); color: var(--cyan); font: 12px var(--mono); cursor: pointer; padding: 0;
}
.pin:hover, .pin.is-on { background: var(--cyan); color: var(--bg); }
.keys { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 28px; margin-top: 28px; }
.keys li { display: grid; grid-template-columns: 28px 1fr; gap: 2px 8px; padding: 14px 0; border-top: 1px solid var(--line); }
.keys li.is-on b { color: var(--cyan); }
.keys .n { grid-row: span 2; font: 12px var(--mono); color: var(--cyan); padding-top: 3px; }
.keys b { font-weight: 600; font-size: 15px; transition: color .2s; }
.keys span:last-child { color: var(--muted); font-size: 14px; }
@media (max-width: 900px) { .keys { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .keys { grid-template-columns: 1fr; } .pin { width: 20px; height: 20px; font-size: 10px; } }

/* ── Guests ───────────────────────────────────────────────────────────── */
.fig--phone .phone {
  position: absolute; right: 4%; bottom: -26px; width: 36%; aspect-ratio: 1200 / 554;
  border: 5px solid #0d0f16; border-radius: 14px; outline: 1px solid var(--line-2); outline-offset: 0;
  box-shadow: 0 18px 40px -12px #000;
}
.fig--phone figcaption { margin-top: 36px; }

/* ── Close and footer ─────────────────────────────────────────────────── */
.close { position: relative; padding: clamp(110px, 15vw, 190px) 0; overflow: hidden; isolation: isolate; border-top: 1px solid var(--line); }
.close__bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.close::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to right, var(--bg) 15%, rgba(5,6,10,.4)); }
.close .lead { margin-bottom: 28px; }
.foot { border-top: 1px solid var(--line); padding: 28px 0 36px; }
.foot__row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 28px; font-size: 14px; color: var(--ink-2); }
.foot__mark { font-weight: 300; letter-spacing: .42em; color: var(--ink); }
.foot__row a { color: var(--ink); text-underline-offset: 4px; text-decoration-color: var(--line-2); }
.foot__url { margin-left: auto; font: 12px var(--mono); letter-spacing: .12em; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (max-width: 700px) {
  .hero__shade { background: linear-gradient(to top, var(--bg) 0%, rgba(5,6,10,.82) 50%, rgba(5,6,10,.35) 100%); }
  .hero__facts li:not(:last-child)::after { padding: 0 10px; }
}