/* NexusAI — design system v2
   Graphite base, one accent (switchable), Geist + Geist Mono, tabular numerals, hairline borders. */

:root {
  --acc: #3d73ff; --acc-hi: #86a8ff; --acc-lo: #2756d6; --acc-ink: #ffffff;
  --acc-soft: color-mix(in srgb, var(--acc) 12%, transparent);
  --acc-line: color-mix(in srgb, var(--acc) 38%, transparent);

  --g0: #0d0e11; --g1: #14161b; --g2: #1b1e25; --g3: #262a33;
  --tx-d: #eceef2; --mu-d: #9aa0ad; --ln-d: rgba(255, 255, 255, .085); --ln-d2: rgba(255, 255, 255, .16);
  --p0: #f2f2ef; --p1: #ffffff; --tx: #121418; --tx2: #353a44; --mu: #60666f; --ln: #deded8; --ln2: #cfcfc8;

  --ok: #22a06b; --warn: #d97706; --bad: #dc3545;
  --f: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --fm: "Geist Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --r: 8px; --r-s: 4px; --r-l: 12px;
  --ease: cubic-bezier(.2, .8, .2, 1); --ease-o: cubic-bezier(.16, 1, .3, 1);
  --wrap: 1280px; --gut: clamp(16px, 4vw, 48px);
  --logo-bg: var(--g0);
  --sb-h: 34px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 116px; overflow-x: clip; }
body { margin: 0; padding-top: var(--sb-h); background: var(--g0); color: var(--tx-d); font: 400 17px/1.6 var(--f); font-feature-settings: "ss01", "cv11"; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: clip; }
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 3px; }
::selection { background: color-mix(in srgb, var(--acc) 35%, transparent); }
.wrap { width: min(var(--wrap), 100% - 2 * var(--gut)); margin-inline: auto; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 200; background: #fff; color: #000; padding: 8px 14px; }
.skip:focus { left: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ic { width: 1.25em; height: 1.25em; flex: none; }
.num, [data-count], .stat strong, .uc-stat, .result strong, .kstrip strong, .roi-hero strong, .roi-total strong, .case-card .impact strong, .cm-impact { font-variant-numeric: tabular-nums; }

/* ---------- type ---------- */
h1, h2, h3, h4, h5 { margin: 0; font-weight: 500; letter-spacing: -.02em; }
.h-hero, .display { font-weight: 500; letter-spacing: -.04em; line-height: 1.02; }
.h-hero { font-size: clamp(30px, 3.2vw, 50px); text-wrap: balance; }
.h-hero .split-line { text-wrap: balance; }
.h1 { font-size: clamp(42px, 6vw, 84px); }
.h2 { font-size: clamp(32px, 4.1vw, 58px); font-weight: 500; line-height: 1.04; letter-spacing: -.035em; }
.h3 { font-size: clamp(20px, 1.8vw, 24px); line-height: 1.25; font-weight: 500; letter-spacing: -.015em; }
em { font-style: normal; color: var(--acc-hi); }
.paper em, .light em, .card em { color: var(--acc-lo); }
.lead { font-size: clamp(17px, 1.35vw, 19px); line-height: 1.6; color: var(--mu-d); max-width: 60ch; margin: 0; }
.paper .lead { color: var(--mu); }
.label, .eyebrow { display: inline-block; font: 400 13.5px/1 var(--fm); letter-spacing: .01em; color: var(--acc-hi); }
.paper .label, .paper .eyebrow { color: var(--acc-lo); }
.label-s { display: inline-flex; align-items: center; gap: 8px; font: 500 11.5px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--mu-d); }
.paper .label-s { color: var(--mu); }
.muted { color: var(--mu-d); }
.paper .muted { color: var(--mu); }
.small { font-size: 14px; }
.mono { font-family: var(--fm); }
.center { text-align: center; }
.num { font: 400 12.5px/1 var(--fm); color: var(--mu-d); letter-spacing: .02em; }
.paper .num { color: var(--mu); }

/* ---------- surfaces ---------- */
.section { padding: clamp(88px, 11vw, 150px) 0; position: relative; overflow-x: clip; }
.section.tight { padding: clamp(56px, 7vw, 96px) 0; }
.dark { background: var(--g0); color: var(--tx-d); }
.paper, .alt { background: var(--p0); color: var(--tx); }
.alt { background: var(--p1); }
.head-split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: end; margin-bottom: clamp(44px, 6vw, 72px); }
.head-split > div { display: grid; gap: 18px; }
.section-head { display: grid; gap: 18px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head.split { grid-template-columns: 1.15fr .85fr; align-items: end; gap: 40px; }
.section-head.split > div { display: grid; gap: 18px; }
.grid-bg::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(var(--ln-d) 1px, transparent 1px), linear-gradient(90deg, var(--ln-d) 1px, transparent 1px); background-size: 72px 72px; mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 75%); opacity: .7; }
.glow-orb { display: none; }

/* ---------- buttons ---------- */
.btn { position: relative; display: inline-flex; align-items: center; gap: 10px; height: 46px; padding: 0 20px; border-radius: var(--r-s); border: 1px solid transparent; font: 500 15px/1 var(--f); letter-spacing: -.005em; white-space: nowrap; overflow: hidden; isolation: isolate; transition: background .3s, border-color .3s, color .3s, transform .3s var(--ease); }
.btn .ic { width: 17px; height: 17px; transition: transform .45s var(--ease-o); }
.btn:hover .ic { transform: translateX(4px); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--acc); color: var(--acc-ink); }
.btn-primary::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(110deg, transparent 35%, rgba(255, 255, 255, .28) 50%, transparent 65%); transform: translateX(-120%); transition: transform .8s var(--ease-o); }
.btn-primary:hover::after { transform: translateX(120%); }
.btn-primary:hover { background: color-mix(in srgb, var(--acc) 88%, #fff); }
.btn-line, .btn-ghost { border-color: var(--ln-d2); color: var(--tx-d); background: transparent; }
.btn-line:hover, .btn-ghost:hover { border-color: var(--tx-d); background: rgba(255, 255, 255, .04); }
.paper .btn-line, .paper .btn-ghost { border-color: var(--ln2); color: var(--tx); }
.paper .btn-line:hover, .paper .btn-ghost:hover { border-color: var(--tx); background: transparent; }
.btn-ghost.on-dark { border-color: var(--ln-d2); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; color: var(--acc-hi); background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; padding-bottom: 2px; transition: background-size .4s var(--ease-o); }
.link-arrow:hover { background-size: 100% 1px; }
.link-arrow .ic { width: 16px; height: 16px; transition: transform .35s var(--ease-o); }
.link-arrow:hover .ic { transform: translateX(4px); }
.paper .link-arrow, .card .link-arrow, .sol-card .link-arrow, .case-card .link-arrow, .alt .link-arrow, .uc .link-arrow { color: var(--acc-lo); }
.dark .card .link-arrow { color: var(--acc-hi); }

/* ---------- header ---------- */
.site-header { position: fixed; inset: var(--sb-h) 0 auto; z-index: 60; height: 68px; transition: background .35s, border-color .35s, transform .5s var(--ease-o); border-bottom: 1px solid transparent; }
.site-header.scrolled { background: color-mix(in srgb, var(--g0) 82%, transparent); backdrop-filter: saturate(160%) blur(14px); border-color: var(--ln-d); }
.site-header.hide { transform: translateY(-100%); }
.nav { height: 100%; display: flex; align-items: center; gap: 24px; color: var(--tx-d); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--tx-d); }
.brand .mark { width: 30px; height: 30px; transition: transform .6s var(--ease-o); }
.brand:hover .mark { transform: rotate(-8deg) scale(1.05); }
.brand .word { font: 600 19px/1 var(--f); letter-spacing: -.03em; }
.brand .word b { font-weight: 400; color: var(--acc-hi); margin-left: 1px; }
.nav-links { display: flex; align-items: center; gap: 2px; margin-left: auto; list-style: none; padding: 0; }
.nav-links > li { position: relative; }
.nav-links a, .nav-links .navbtn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 13px; border-radius: var(--r-s); font-size: 14.5px; color: var(--mu-d); background: none; border: 0; transition: color .2s, background .2s; }
.nav-links a:hover, .nav-links .navbtn:hover, .nav-links a[aria-current="page"], .nav-links [aria-current="page"], .open > .navbtn { color: var(--tx-d); background: rgba(255, 255, 255, .05); }
.navbtn .ic { width: 13px; height: 13px; transition: transform .3s; }
.open > .navbtn .ic { transform: rotate(180deg); }
.mega { position: absolute; top: calc(100% + 12px); left: 50%; width: 580px; padding: 8px; transform: translate(-50%, 6px); opacity: 0; visibility: hidden; background: var(--g1); border: 1px solid var(--ln-d2); border-radius: var(--r); box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .6); display: grid; grid-template-columns: 1fr 1fr; gap: 2px; transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s; }
.open > .mega { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.mega a { display: grid; grid-template-columns: 34px 1fr; gap: 12px; padding: 12px; border-radius: 6px; color: var(--tx-d); align-items: start; }
.mega a:hover { background: var(--g2); }
.mega .ic { width: 34px; height: 34px; padding: 8px; border-radius: 6px; background: var(--acc-soft); color: var(--acc-hi); }
.mega strong { display: block; font-size: 14px; font-weight: 500; }
.mega span span { display: block; font-size: 13px; color: var(--mu-d); line-height: 1.4; margin-top: 2px; }
.mega a[style] { background: var(--g2) !important; }
.nav-cta { margin-left: 8px; height: 40px; padding: 0 16px; font-size: 14px; }
.menu-toggle { display: none; margin-left: auto; width: 42px; height: 42px; border-radius: var(--r-s); border: 1px solid var(--ln-d2); background: transparent; align-items: center; justify-content: center; color: var(--tx-d); }
.menu-toggle .ic { width: 20px; height: 20px; }
.drawer { position: fixed; inset: 0; z-index: 70; background: var(--g0); color: var(--tx-d); padding: 84px var(--gut) 32px; display: flex; flex-direction: column; transform: translateY(-100%); transition: transform .6s var(--ease-o); overflow-y: auto; }
.drawer.open { transform: none; }
.drawer a { padding: 14px 2px; font-size: 20px; border-bottom: 1px solid var(--ln-d); display: flex; justify-content: space-between; align-items: center; letter-spacing: -.02em; }
.drawer a .ic { width: 18px; height: 18px; opacity: .6; }
.drawer .sub a { font-size: 15.5px; padding: 10px 2px 10px 14px; color: var(--mu-d); }
.drawer .btn { margin-top: 24px; justify-content: center; border-bottom: 0; }
.drawer-close { position: absolute; top: 13px; right: var(--gut); width: 42px; height: 42px; border-radius: var(--r-s); border: 1px solid var(--ln-d2); background: none; display: grid; place-items: center; color: var(--tx-d); }
.drawer-close .ic { width: 20px; height: 20px; }

/* ---------- HERO (home) ---------- */
.hero2 { position: relative; min-height: 100svh; padding: 96px 0 20px; display: flex; flex-direction: column; gap: 18px; overflow: hidden; isolation: isolate; }
.hero2-video { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero2::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse 80% 70% at 55% 60%, transparent 20%, var(--g0) 78%), linear-gradient(180deg, color-mix(in srgb, var(--g0) 40%, transparent), transparent 30%, transparent 70%, var(--g0)); }
.hero2-grid { position: absolute; inset: 0; z-index: -1; opacity: .5; background-image: linear-gradient(30deg, var(--ln-d) 1px, transparent 1px), linear-gradient(150deg, var(--ln-d) 1px, transparent 1px); background-size: 56px 32px; mask-image: radial-gradient(ellipse 60% 55% at 55% 62%, #000, transparent 75%); }
.hero2-head { display: grid; grid-template-columns: 1fr minmax(300px, 400px); gap: 48px; align-items: end; }
.hero2-head > div:first-child { display: grid; gap: 14px; }
.hero2-side { display: grid; gap: 16px; padding-bottom: 4px; }
.hero2-side p { margin: 0; color: var(--mu-d); font-size: 15.5px; line-height: 1.55; max-width: 46ch; }
.hero2-diagram { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.hero2-hint { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px 8px; text-align: center; margin: 10px 0 0; font: 400 12.5px/1 var(--fm); color: var(--mu-d); }
.hero2-hint .ic { width: 12px; height: 12px; color: var(--acc-hi); }
.hero2-hint b { color: var(--tx-d); font-weight: 500; }
.hero-stage { position: relative; width: 100%; flex: none; min-height: 300px; }
.hero-canvas { position: absolute; left: 50%; top: 0; transform-origin: top center; transform: translateX(-50%) scale(var(--s, .8)); }
.hc-svg { position: absolute; inset: 0; overflow: visible; }
.plane { stroke: none; }
.plane-grid line { stroke: var(--acc); stroke-opacity: .16; stroke-width: 1; }
.plane-edge { stroke: var(--acc); stroke-opacity: .55; stroke-width: 1.2; }
.fan path { fill: none; stroke: var(--ln-d2); stroke-width: 1; }
.hc-svg .w-base { fill: none; stroke: var(--acc); stroke-opacity: .28; stroke-width: 1.3; }
.hc-svg .w-flow { fill: none; stroke: var(--acc-hi); stroke-width: 1.6; stroke-dasharray: 2 12; stroke-linecap: round; animation: dash 1.4s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -28; } }
.ops-links path { stroke: var(--acc-hi); stroke-opacity: .55; stroke-dasharray: 3 4; fill: none; }
.particles .pt { fill: var(--acc-hi); filter: drop-shadow(0 0 4px var(--acc)); }

.hc-panel { position: absolute; background: color-mix(in srgb, var(--g1) 88%, transparent); border: 1px solid var(--ln-d2); border-radius: 10px; padding: 12px 14px; display: grid; align-content: start; gap: 10px; backdrop-filter: blur(6px); transition: border-color .35s, transform .5s var(--ease-o), box-shadow .5s; }
.hc-panel:hover { border-color: var(--acc-line); transform: translateY(-3px); box-shadow: 0 24px 50px -24px color-mix(in srgb, var(--acc) 50%, transparent); }
.hc-panel header { display: flex; justify-content: space-between; align-items: center; }
.hc-panel header span { display: inline-flex; align-items: center; gap: 8px; font: 500 11.5px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--tx-d); }
.hc-panel header .ic { width: 15px; height: 15px; color: var(--acc-hi); }
.hc-panel header em { font: 400 10.5px/1 var(--fm); color: var(--mu-d); display: inline-flex; align-items: center; gap: 6px; }
.hc-panel header em::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); animation: ping 2.2s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(34, 160, 107, .55); } 80%, 100% { box-shadow: 0 0 0 7px rgba(34, 160, 107, 0); } }
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.kpis > div { padding: 8px 10px; border-radius: 6px; background: var(--g2); border: 1px solid var(--ln-d); display: grid; gap: 2px; }
.kpis small { font-size: 10.5px; color: var(--mu-d); }
.kpis b { font: 500 18px/1.1 var(--f); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpis i { font: 400 10.5px/1 var(--fm); display: inline-flex; align-items: center; gap: 3px; font-style: normal; color: #4ade80; }
.kpis i .ic { width: 11px; height: 11px; }
.spark { height: 34px; width: 100%; }
.spark .sl { fill: none; stroke: var(--acc-hi); stroke-width: 1.8; stroke-dasharray: 340; stroke-dashoffset: 340; animation: draw 2.4s var(--ease-o) .9s forwards; }
.spark .sa { fill: var(--acc); fill-opacity: .14; opacity: 0; animation: fadeIn 1s 1.9s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fadeIn { to { opacity: 1; } }
.wf { display: grid; grid-template-columns: auto 1fr auto 1fr auto 1fr auto; align-items: center; gap: 4px; }
.wf .n { display: grid; justify-items: center; gap: 3px; }
.wf .n .ic { width: 28px; height: 28px; padding: 6px; border-radius: 6px; background: var(--g2); border: 1px solid var(--ln-d2); color: var(--mu-d); animation: wfnode 6s infinite; }
.wf .n:nth-child(3) .ic { animation-delay: 1.5s; } .wf .n:nth-child(5) .ic { animation-delay: 3s; } .wf .n:nth-child(7) .ic { animation-delay: 4.5s; }
@keyframes wfnode { 0%, 18% { background: var(--acc-soft); border-color: var(--acc); color: var(--acc-hi); } 30%, 100% { background: var(--g2); border-color: var(--ln-d2); color: var(--mu-d); } }
.wf .n small { font: 400 9.5px/1 var(--fm); color: var(--mu-d); }
.wf > i { height: 1px; background: linear-gradient(90deg, var(--ln-d2), var(--acc-line)); margin-bottom: 14px; }
.steps-run { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 11.5px; color: var(--mu-d); }
.steps-run li { display: flex; align-items: center; gap: 7px; }
.steps-run li::before { content: ""; width: 10px; height: 10px; border-radius: 50%; border: 1px solid var(--ln-d2); flex: none; animation: tick 6s infinite; }
.steps-run li:nth-child(2)::before { animation-delay: 1.5s; } .steps-run li:nth-child(3)::before { animation-delay: 3s; }
@keyframes tick { 0%, 10% { background: transparent; border-color: var(--ln-d2); } 20%, 90% { background: var(--ok); border-color: var(--ok); box-shadow: inset 0 0 0 2px var(--g1); } 100% { background: transparent; } }
.apps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.apps span { display: grid; justify-items: center; gap: 4px; padding: 8px 4px; border-radius: 6px; background: var(--g2); border: 1px solid var(--ln-d); transition: border-color .3s, background .3s, transform .3s var(--ease-o); }
.apps span:hover { border-color: var(--acc-line); background: var(--acc-soft); transform: translateY(-2px); }
.apps .ic { width: 17px; height: 17px; color: var(--acc-hi); }
.apps small { font: 400 9.5px/1 var(--fm); color: var(--mu-d); }

.hc-agents, .hc-label, .hc-chips, .hc-core { position: absolute; transform: translateX(-50%); }
.hc-agents { display: flex; gap: 7px; }
.hc-agents span { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--g1); border: 1px solid var(--acc-line); color: var(--acc-hi); animation: bob 3.4s ease-in-out infinite; animation-delay: calc(var(--i) * .17s); }
.hc-agents .ic { width: 14px; height: 14px; }
@keyframes bob { 50% { transform: translateY(-3px); border-color: var(--acc); } }
.hc-label { font: 500 11px/1 var(--fm); letter-spacing: .14em; text-transform: uppercase; color: var(--tx-d); white-space: nowrap; }
.hc-chips { display: flex; gap: 8px; white-space: nowrap; }
.hc-chip { display: inline-flex; align-items: center; gap: 7px; height: 32px; padding: 0 13px; border-radius: 6px; background: color-mix(in srgb, var(--g1) 92%, transparent); border: 1px solid var(--ln-d2); font-size: 13px; color: #d7dbe3; transition: transform .3s var(--ease-o), border-color .3s, background .3s; }
.hc-chip .ic { width: 15px; height: 15px; color: var(--acc-hi); }
.hc-chip.hl { background: var(--acc); border-color: var(--acc); color: var(--acc-ink); font-weight: 500; }
.hc-chip.hl .ic { color: var(--acc-ink); }
.hc-chip:hover { transform: translateY(-2px); border-color: var(--acc-hi); }
.hc-core { display: grid; grid-template-columns: auto auto; grid-template-rows: auto auto; column-gap: 14px; align-items: center; padding: 14px 30px 14px 18px; border-radius: 10px; background: linear-gradient(180deg, var(--g2), var(--g1)); border: 1px solid var(--acc); box-shadow: 0 0 0 6px var(--acc-soft), 0 30px 60px -20px color-mix(in srgb, var(--acc) 60%, transparent); white-space: nowrap; }
.core-cube { grid-row: 1 / 3; width: 42px; height: 42px; border-radius: 8px; display: grid; place-items: center; background: var(--acc); color: var(--acc-ink); animation: spinSlow 12s var(--ease-o) infinite; }
.core-cube .ic { width: 24px; height: 24px; }
@keyframes spinSlow { 0%, 80% { transform: rotate(0); } 92%, 100% { transform: rotate(90deg); } }
.hc-core b { font: 600 22px/1 var(--f); letter-spacing: .14em; text-transform: uppercase; }
.hc-core small { font: 400 11px/1.3 var(--fm); color: var(--mu-d); }
.hc-group { position: absolute; display: grid; gap: 10px; }
.hc-group .tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px 4px; padding: 6px 8px; border-radius: 10px; border: 1px solid var(--ln-d2); background: color-mix(in srgb, var(--g1) 88%, transparent); }
.hc-group .tiles span { display: grid; justify-items: center; gap: 4px; padding: 5px 2px; min-width: 0; border-radius: 6px; transition: background .3s; }
.hc-group .tiles span:hover { background: var(--acc-soft); }
.hc-group .tiles .ic { width: 26px; height: 26px; padding: 5px; border-radius: 6px; background: var(--g2); border: 1px solid var(--ln-d); color: var(--acc-hi); }
.hc-group .tiles small { font: 400 10px/1.1 var(--fm); color: #c8cdd7; white-space: nowrap; }
.hc-group h5 { text-align: center; font: 500 12px/1 var(--fm); letter-spacing: .14em; text-transform: uppercase; color: var(--tx-d); }
.hc-objects { padding-bottom: 8px; }
.orbit { position: relative; height: 296px; width: 255px; margin: 0 -14px; }
.orbit > svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.orbit-ring { fill: none; stroke: var(--ln-d2); stroke-dasharray: 2 5; animation: rot 60s linear infinite; transform-origin: 127px 166px; }
.orbit-ring.faint { stroke: var(--ln-d); animation-direction: reverse; }
@keyframes rot { to { transform: rotate(1turn); } }
.spokes line { stroke: var(--acc); stroke-opacity: .45; stroke-dasharray: 2 6; animation: dash 1.8s linear infinite; }
.orbit-core { position: absolute; transform: translate(-50%, -50%); display: grid; justify-items: center; gap: 3px; text-align: center; }
.orbit-core .ic { width: 40px; height: 40px; padding: 9px; border-radius: 9px; background: var(--acc); color: var(--acc-ink); box-shadow: 0 0 0 5px var(--acc-soft); }
.orbit-core b { font: 600 12.5px/1 var(--f); margin-top: 3px; }
.orbit-core small { font: 400 9.5px/1 var(--fm); color: var(--mu-d); }
.sat { position: absolute; transform: translate(-50%, -13px); display: grid; justify-items: center; gap: 3px; width: 78px; text-align: center; }
.sat i { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--g2); border: 1px solid var(--acc-line); color: var(--acc-hi); animation: satPulse 4s ease-in-out infinite; animation-delay: calc(var(--i) * .6s); }
.sat .ic { width: 13px; height: 13px; }
.sat span { font: 400 9.5px/1.15 var(--fm); color: #c8cdd7; }
@keyframes satPulse { 50% { box-shadow: 0 0 0 5px var(--acc-soft); } }
.hc-rail { position: absolute; border-radius: 55px; border: 1px solid var(--acc-line); background: linear-gradient(180deg, var(--acc-soft), transparent 70%), color-mix(in srgb, var(--g1) 90%, transparent); display: grid; justify-items: center; align-content: start; gap: 14px; padding: 150px 8px 0; }
.rail-bars { display: grid; gap: 5px; }
.rail-bars i { width: 46px; height: 9px; border-radius: 3px; background: var(--acc); opacity: calc(1 - var(--i) * .25); animation: barGlow 3s ease-in-out infinite; animation-delay: calc(var(--i) * .3s); }
@keyframes barGlow { 50% { filter: brightness(1.4); } }
.hc-rail strong { font: 600 30px/1 var(--f); letter-spacing: -.03em; }
.hc-rail span { writing-mode: vertical-rl; font: 400 11px/1 var(--fm); letter-spacing: .3em; text-transform: uppercase; color: var(--mu-d); margin-top: 10px; }

/* hotspot */
.hotspot { position: absolute; z-index: 5; width: 34px; height: 34px; padding: 0; border: 0; background: none; display: grid; place-items: center; }
.hs-btn { position: relative; z-index: 1; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--acc); color: var(--acc-ink); box-shadow: 0 6px 18px -4px color-mix(in srgb, var(--acc) 70%, transparent); transition: transform .35s var(--ease-o); }
.hs-btn .ic { width: 13px; height: 13px; margin-left: 2px; }
.hs-ring { position: absolute; inset: 0; border-radius: 50%; border: 1.5px solid var(--acc); animation: ring 2.4s var(--ease) infinite; }
@keyframes ring { 0% { transform: scale(1); opacity: .9; } 100% { transform: scale(2.1); opacity: 0; } }
.hs-label { position: absolute; bottom: calc(100% + 10px); left: 50%; transform: translate(-50%, 4px); white-space: nowrap; padding: 6px 10px; border-radius: 4px; background: #fff; color: #0d0e11; font: 500 12px/1 var(--f); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s var(--ease-o); }
.hotspot:hover .hs-btn, .hotspot:focus-visible .hs-btn { transform: scale(1.14); }
.hotspot:hover .hs-label, .hotspot:focus-visible .hs-label { opacity: 1; transform: translate(-50%, 0); }

/* video modal */
.vmodal { position: fixed; inset: 0; z-index: 120; display: grid; place-items: center; padding: 24px; }
.vmodal[hidden] { display: none; }
.vmodal-backdrop { position: absolute; inset: 0; background: rgba(5, 6, 8, .78); backdrop-filter: blur(6px); animation: fadeIn .3s forwards; opacity: 0; }
.vmodal-box { position: relative; width: min(1040px, 100%); background: var(--g1); border: 1px solid var(--ln-d2); border-radius: var(--r-l); overflow: hidden; animation: popIn .45s var(--ease-o); box-shadow: 0 60px 120px -40px rgba(0, 0, 0, .8); color: var(--tx-d); }
@keyframes popIn { from { opacity: 0; transform: translateY(16px) scale(.97); } to { opacity: 1; transform: none; } }
.vmodal-head { display: flex; align-items: center; gap: 14px; padding: 14px 16px 14px 20px; border-bottom: 1px solid var(--ln-d); }
.vmodal-head h3 { font-size: 17px; flex: 1; }
.tag-mono { font: 400 12px/1 var(--fm); color: var(--acc-hi); }
.vmodal-x { width: 36px; height: 36px; border-radius: var(--r-s); border: 1px solid var(--ln-d2); background: none; display: grid; place-items: center; color: var(--tx-d); }
.vmodal-x .ic { width: 18px; height: 18px; }
.vmodal video { width: 100%; aspect-ratio: 16 / 9; background: #000; }
.vmodal-note { margin: 0; padding: 10px 20px; font: 400 12px/1.4 var(--fm); color: var(--mu-d); }

/* ---------- vs market ---------- */
.vs-cards { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--ln); border-radius: var(--r); background: var(--p1); margin-bottom: 20px; overflow: hidden; }
.vs-card { padding: 26px 28px; display: grid; gap: 10px; align-content: start; position: relative; color: var(--tx); }
.vs-card + .vs-card { border-left: 1px solid var(--ln); }
.vs-card::before { content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0; background: var(--acc); transition: width 1.2s var(--ease-o) .3s; }
.vs-card.in::before { width: 100%; }
.vs-k { font: 400 12.5px/1 var(--fm); color: var(--mu); }
.vs-card strong { font: 300 52px/1 var(--f); letter-spacing: -.05em; color: var(--tx); font-variant-numeric: tabular-nums; }
.vs-card strong em { font-weight: 300; color: var(--mu); font-size: .55em; letter-spacing: -.02em; margin-left: 2px; }
.vs-card p { margin: 0; font-size: 14.5px; color: var(--mu); line-height: 1.55; }
.vs-matrix { background: var(--p1); border: 1px solid var(--ln); border-radius: var(--r); overflow: hidden; color: var(--tx); }
.vs-tools { display: flex; flex-wrap: wrap; gap: 14px 20px; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--ln); }
.seg { display: inline-flex; flex-wrap: wrap; padding: 3px; border-radius: 6px; background: var(--p0); border: 1px solid var(--ln); gap: 2px; }
.seg button { border: 0; background: none; padding: 7px 12px; border-radius: 4px; font-size: 13.5px; color: var(--mu); transition: background .25s, color .25s, box-shadow .25s; }
.seg button:hover { color: var(--tx); }
.seg button[aria-pressed="true"] { background: var(--p1); color: var(--tx); box-shadow: 0 1px 2px rgba(0, 0, 0, .08), 0 0 0 1px var(--ln); }
.cmp { display: inline-flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--mu); }
.cmp select { height: 34px; padding: 0 30px 0 10px; border-radius: 4px; border: 1px solid var(--ln2); background: var(--p1) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%2360666f' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 8px center / 14px; appearance: none; color: var(--tx); font-size: 13.5px; }
.legend { margin-left: auto; display: flex; gap: 16px; font-size: 13px; color: var(--mu); }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend .hb { width: 16px; height: 16px; }
.matrix-scroll { overflow-x: auto; }
.vs-table { width: 100%; min-width: 980px; border-collapse: separate; border-spacing: 0; font-size: 14px; color: var(--tx); }
.vs-table th, .vs-table td { padding: 0; text-align: center; }
.vs-table .grp th { padding: 16px 8px 8px; font: 500 11px/1 var(--fm); letter-spacing: .1em; text-transform: uppercase; color: var(--tx2); }
.vs-table .grp th:not(.v-h) { border-left: 1px solid var(--ln); }
.vs-table .cols th { padding: 4px 4px 14px; font-size: 12px; font-weight: 400; color: var(--mu); border-bottom: 1px solid var(--ln); vertical-align: bottom; line-height: 1.25; }
.vs-table .cols th.gs { border-left: 1px solid var(--ln); }
.vs-table .v-h { text-align: left; padding-left: 20px; vertical-align: bottom; padding-bottom: 14px; font: 500 11px/1 var(--fm); letter-spacing: .1em; text-transform: uppercase; color: var(--tx2); border-bottom: 1px solid var(--ln); width: 170px; }
.vs-table tbody th.v { text-align: left; padding: 0 12px 0 20px; font-weight: 400; font-size: 15px; color: var(--tx2); white-space: nowrap; }
.vs-table tbody td, .vs-table tbody th { height: 50px; border-bottom: 1px solid #ecece7; }
.vs-table td.gs { border-left: 1px solid var(--ln); }
.vs-table tbody tr { transition: opacity .35s, background .25s; }
.vs-table tbody tr:hover { background: #f8f8f5; }
.vs-table tr.us th, .vs-table tr.us td { background: color-mix(in srgb, var(--acc) 7%, #fff); }
.vs-table tr.us th.v { color: var(--tx); font-weight: 600; box-shadow: inset 3px 0 0 var(--acc); }
.us-mark { display: inline-flex; vertical-align: middle; margin-right: 10px; color: var(--tx); --logo-bg: #fff; }
.us-mark .mk { width: 20px; height: 20px; }
.vs-table.comparing tbody tr:not(.us):not(.pick) { opacity: .22; }
.vs-table tr.pick th, .vs-table tr.pick td { background: #f3f3ef; }
.hb { width: 20px; height: 20px; display: inline-block; vertical-align: middle; }
.hb-o { fill: none; stroke: #b9b9b1; stroke-width: 1.3; }
.hb-f { fill: #4a4f59; }
.hb-n .hb-o { stroke-dasharray: 2 2.4; }
tr.us .hb-o { stroke: var(--acc); }
tr.us .hb-f { fill: var(--acc); }
.vs-matrix td .hb { transform: scale(.3); opacity: 0; transition: transform .5s var(--ease-o), opacity .5s; transition-delay: calc(var(--i) * 9ms); }
.vs-matrix.in td .hb { transform: none; opacity: 1; }
.vs-matrix.in td:hover .hb { transform: scale(1.25); transition-delay: 0s; }
.vs-table.f-er .g-op, .vs-table.f-er .g-ba, .vs-table.f-op .g-er, .vs-table.f-op .g-ba, .vs-table.f-ba .g-er, .vs-table.f-ba .g-op { display: none; }
.vs-foot { margin: 0; padding: 14px 20px; border-top: 1px solid var(--ln); font-size: 12.5px; color: var(--mu); }

/* ---------- how it works ---------- */
.flow4 { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); position: relative; border-top: 1px solid var(--ln-d); }
.flow4-rail { position: absolute; left: 0; right: 0; top: -1px; height: 1px; }
.flow4-rail i { display: block; height: 100%; background: var(--acc); transform-origin: left; transform: scaleX(0); transition: transform 1.2s var(--ease-o); }
.flow4 .step { padding: 32px 28px 8px 0; display: grid; gap: 14px; align-content: start; position: relative; }
.flow4 .step + .step { padding-left: 28px; border-left: 1px solid var(--ln-d); }
.flow4 li.step:nth-child(2) { border-left: 0; padding-left: 0; }
.step-n { font: 400 12.5px/1 var(--fm); color: var(--mu-d); transition: color .4s; }
.step-ic { width: 48px; height: 48px; border-radius: 8px; display: grid; place-items: center; border: 1px solid var(--ln-d2); color: var(--tx-d); transition: background .5s, color .5s, border-color .5s, transform .6s var(--ease-o); }
.step-ic .ic { width: 24px; height: 24px; }
.flow4 .step h3 { font-size: 24px; letter-spacing: -.025em; }
.flow4 .step p { margin: 0; font-size: 15px; color: var(--mu-d); max-width: 30ch; }
.step-meta { font: 400 12px/1.3 var(--fm); color: var(--mu-d); padding-top: 12px; border-top: 1px dashed var(--ln-d); transition: color .4s; }
.flow4 .step.active .step-ic { background: var(--acc); border-color: var(--acc); color: var(--acc-ink); transform: translateY(-4px); }
.flow4 .step.active .step-n { color: var(--acc-hi); }
.flow4 .step.active .step-meta { color: var(--tx-d); }

/* ---------- tabs / challenges ---------- */
.tabs { display: grid; grid-template-columns: 340px 1fr; gap: 28px; align-items: stretch; }
.tab-list { display: grid; gap: 0; align-content: start; border-top: 1px solid var(--ln); }
.tab-btn { text-align: left; display: grid; grid-template-columns: 36px 1fr; align-items: center; gap: 12px; padding: 20px 4px; border: 0; border-bottom: 1px solid var(--ln); background: transparent; position: relative; color: var(--mu); transition: color .3s, padding .4s var(--ease-o); }
.tab-btn strong { font-size: 17px; font-weight: 500; letter-spacing: -.015em; }
.tab-btn:hover { color: var(--tx); }
.tab-btn[aria-selected="true"] { color: var(--tx); padding-left: 12px; }
.tab-btn[aria-selected="true"] .num { color: var(--acc-lo); }
.tab-btn .bar { position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; background: var(--acc); transform: scaleX(0); transform-origin: left; }
.tab-btn[aria-selected="true"] .bar { animation: tabbar var(--dur, 7s) linear forwards; }
.tabs.paused .tab-btn[aria-selected="true"] .bar { animation: none; transform: scaleX(1); }
@keyframes tabbar { to { transform: scaleX(1); } }
.dark .tab-list, .dark .tab-btn { border-color: var(--ln-d); }
.dark .tab-btn { color: var(--mu-d); }
.dark .tab-btn:hover, .dark .tab-btn[aria-selected="true"] { color: var(--tx-d); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: panelIn .6s var(--ease-o); }
@keyframes panelIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.challenge { display: grid; grid-template-columns: 1fr 1fr; border-radius: var(--r); overflow: hidden; background: var(--p1); border: 1px solid var(--ln); min-height: 440px; color: var(--tx); }
.challenge .photo { border-radius: 0; }
.challenge-body { padding: 36px; display: grid; gap: 24px; align-content: center; }
.ps { display: grid; gap: 10px; }
.ps.problem .label-s { color: var(--bad); }
.ps.solution .label-s { color: var(--acc-lo); }
.ps .label-s .ic { width: 15px; height: 15px; }
.ps p { margin: 0; font-size: 17px; line-height: 1.55; color: var(--tx2); }
.ps.solution { padding-top: 22px; border-top: 1px solid var(--ln); }

/* ---------- photos ---------- */
.photo { position: relative; border-radius: var(--r); overflow: hidden; background: var(--g2); }
.photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease-o), filter .6s; filter: saturate(.9) contrast(1.02); }
.photo:hover img, a:hover .photo img { transform: scale(1.035); filter: saturate(1); }
.photo .caption { position: absolute; left: 14px; bottom: 14px; display: inline-flex; gap: 10px; align-items: center; padding: 9px 12px; border-radius: 4px; background: rgba(13, 14, 17, .7); backdrop-filter: blur(10px); color: #fff; font: 400 12.5px/1 var(--fm); border: 1px solid rgba(255, 255, 255, .12); }
.caption .live { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); animation: ping 2s infinite; }

/* ---------- cards ---------- */
.card { background: var(--p1); color: var(--tx); border: 1px solid var(--ln); border-radius: var(--r); padding: 28px; transition: transform .5s var(--ease-o), box-shadow .5s var(--ease-o), border-color .3s; }
.card.hover:hover { transform: translateY(-4px); border-color: var(--ln2); box-shadow: 0 30px 60px -36px rgba(18, 20, 24, .35); }
.dark .card { background: var(--g1); color: var(--tx-d); border-color: var(--ln-d); }
.dark .card.hover:hover { border-color: var(--acc-line); box-shadow: 0 30px 60px -30px color-mix(in srgb, var(--acc) 40%, transparent); }
.card h3 { margin: 20px 0 10px; }
.card p { margin: 0; color: var(--mu); font-size: 15.5px; }
.dark .card p { color: var(--mu-d); }
.icon-badge { width: 46px; height: 46px; border-radius: 8px; display: grid; place-items: center; background: color-mix(in srgb, var(--acc) 10%, #fff); color: var(--acc-lo); border: 1px solid color-mix(in srgb, var(--acc) 22%, #fff); transition: transform .5s var(--ease-o), background .4s, color .4s; }
.icon-badge .ic { width: 24px; height: 24px; }
.card.hover:hover .icon-badge { transform: translateY(-2px) rotate(-4deg); background: var(--acc); color: var(--acc-ink); border-color: var(--acc); }
.dark .icon-badge { background: var(--acc-soft); color: var(--acc-hi); border-color: var(--acc-line); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ---------- platform stack ---------- */
.stack { display: grid; grid-template-columns: 1fr 250px; gap: 16px; counter-reset: layer; }
.layers { display: grid; gap: 8px; }
.layer { counter-increment: layer; display: grid; grid-template-columns: 230px 1fr; gap: 18px; align-items: center; padding: 16px 18px; border-radius: var(--r); border: 1px solid var(--ln-d); background: var(--g1); transition: border-color .35s, background .35s, transform .5s var(--ease-o); position: relative; overflow: hidden; }
.layer::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--acc); transform: scaleY(0); transition: transform .5s var(--ease-o); }
.layer:hover, .layer.focus { border-color: var(--acc-line); background: color-mix(in srgb, var(--acc) 6%, var(--g1)); transform: translateX(4px); }
.layer:hover::before, .layer.focus::before { transform: none; }
.layer-name { display: grid; gap: 6px; }
.layer-name b { font: 500 12px/1.2 var(--fm); letter-spacing: .1em; text-transform: uppercase; color: var(--tx-d); }
.layer-name b::before { content: "0" counter(layer) "  "; color: var(--acc-hi); white-space: pre; }
.layer-name small { font-size: 13px; color: var(--mu-d); line-height: 1.45; }
.layer-items { display: flex; flex-wrap: wrap; gap: 6px; }
.li { display: inline-flex; align-items: center; gap: 7px; padding: 7px 11px; border-radius: 4px; background: var(--g2); border: 1px solid var(--ln-d); font-size: 13px; color: #d5d9e1; transition: border-color .3s, color .3s; }
.li .ic { width: 16px; height: 16px; color: var(--acc-hi); }
.layer:hover .li { border-color: var(--ln-d2); }
.li.sub { background: transparent; border-style: dashed; color: var(--mu-d); }
.layer-sub { grid-column: 2; display: grid; gap: 8px; }
.layer-sub small { font: 400 11px/1 var(--fm); letter-spacing: .1em; color: var(--mu-d); text-transform: uppercase; }
.ops-rail { border-radius: var(--r); border: 1px solid var(--acc-line); background: linear-gradient(180deg, var(--acc-soft), transparent 60%), var(--g1); padding: 20px; display: grid; gap: 0; align-content: start; }
.ops-rail h4 { display: flex; align-items: center; gap: 10px; font: 600 19px/1 var(--f); margin-bottom: 14px; letter-spacing: -.02em; }
.ops-rail h4 .ic { width: 26px; height: 26px; color: var(--acc-hi); }
.ops-item { display: flex; align-items: center; gap: 12px; padding: 12px 2px; border-top: 1px solid var(--ln-d); color: #d5d9e1; font-size: 14.5px; transition: color .3s, padding .3s var(--ease-o); }
.ops-item:hover { color: #fff; padding-left: 6px; }
.ops-item .ic { width: 19px; height: 19px; color: var(--acc-hi); }

/* ---------- use cases ---------- */
.pills-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 24px; }
.pills-tabs button { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 4px; border: 1px solid var(--ln2); background: transparent; color: var(--mu); font-size: 14.5px; transition: all .3s var(--ease); }
.pills-tabs button .ic { width: 17px; height: 17px; }
.pills-tabs button:hover { color: var(--tx); border-color: var(--tx); }
.pills-tabs button[aria-selected="true"] { background: var(--tx); color: var(--p1); border-color: var(--tx); }
.dark .pills-tabs button { border-color: var(--ln-d2); color: var(--mu-d); }
.dark .pills-tabs button:hover { color: var(--tx-d); border-color: var(--tx-d); }
.dark .pills-tabs button[aria-selected="true"] { background: var(--tx-d); color: var(--g0); }
.uc { display: grid; grid-template-columns: 1.1fr .9fr; border-radius: var(--r); overflow: hidden; border: 1px solid var(--ln); background: var(--p1); min-height: 460px; }
.uc .photo { border-radius: 0; }
.uc-body { padding: clamp(28px, 4vw, 48px); display: grid; gap: 18px; align-content: center; color: var(--tx); }
.uc-body .label { color: var(--acc-lo); }
.uc-stat { font: 300 clamp(40px, 4.6vw, 62px)/1 var(--f); letter-spacing: -.045em; color: var(--tx); }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.ticks li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; font-size: 16px; line-height: 1.5; color: var(--tx2); }
.ticks .ic { width: 18px; height: 18px; color: var(--acc-lo); margin-top: 3px; }
.dark .ticks li { color: #d5d9e1; }
.dark .ticks .ic { color: var(--acc-hi); }

/* ---------- stats & cases ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ln-d); }
.stat { padding: 26px 24px 8px 0; display: grid; gap: 8px; align-content: start; }
.stat + .stat { padding-left: 24px; border-left: 1px solid var(--ln-d); }
.stat-src { font: 400 12px/1 var(--fm); color: var(--acc-hi); }
.stat strong { display: block; font: 300 clamp(44px, 5vw, 72px)/1 var(--f); letter-spacing: -.055em; color: var(--tx-d); margin: 10px 0 6px; }
.stat b { font-size: 16px; font-weight: 500; }
.stat > span:last-child { font-size: 14px; color: var(--mu-d); line-height: 1.5; }
.case-row { margin-top: 56px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.case-mini { display: grid; grid-template-rows: 170px 1fr; border-radius: var(--r); overflow: hidden; border: 1px solid var(--ln-d); background: var(--g1); transition: transform .5s var(--ease-o), border-color .3s; }
.case-mini:hover { transform: translateY(-4px); border-color: var(--acc-line); }
.case-mini .photo { border-radius: 0; }
.case-mini .body { padding: 18px; display: grid; gap: 8px; align-content: start; }
.case-mini h3 { font-size: 20px; letter-spacing: -.025em; }
.case-mini p { margin: 0; font-size: 14px; color: var(--mu-d); }
.cm-impact { margin-top: 8px; font: 400 22px/1 var(--f); letter-spacing: -.03em; color: var(--acc-hi); }

/* ---------- differentiators ---------- */
.diff { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.diff .card { display: grid; gap: 12px; align-content: start; }
.diff .card h3 { margin: 6px 0 0; min-height: 2.5em; }
.diff .vs { margin-top: 6px; display: grid; gap: 12px; padding-top: 16px; border-top: 1px solid var(--ln); font-size: 14px; }
.diff .vs div { display: grid; gap: 4px; }
.diff .vs small { font: 400 11px/1 var(--fm); letter-spacing: .06em; text-transform: uppercase; color: var(--mu); }
.diff .vs .them { color: var(--mu); }
.diff .vs .us { color: var(--tx); font-weight: 500; }

/* ---------- CTA ---------- */
.cta { position: relative; border-radius: var(--r-l); overflow: hidden; isolation: isolate; padding: clamp(48px, 7vw, 96px); color: #fff; display: grid; gap: 22px; }
.cta img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.cta::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, rgba(13, 14, 17, .96) 0%, rgba(13, 14, 17, .82) 50%, rgba(13, 14, 17, .35) 100%); }
.cta .lead { color: #c3c8d2; }
.cta .eyebrow, .cta em { color: var(--acc-hi); }
.cta .eyebrow::before { content: "{ "; } .cta .eyebrow::after { content: " }"; }
.cta-meta { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 8px; font-size: 14px; color: #c3c8d2; }
.cta-meta span { display: inline-flex; align-items: center; gap: 8px; }
.cta-meta .ic { width: 17px; height: 17px; color: var(--acc-hi); }

/* ---------- footer ---------- */
.site-footer { background: var(--g0); color: var(--mu-d); padding: 80px 0 32px; border-top: 1px solid var(--ln-d); }
.foot-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; }
.foot-grid h6 { margin: 0 0 16px; font: 400 12.5px/1 var(--fm); color: var(--tx-d); }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 14.5px; }
.foot-grid a:hover { color: var(--tx-d); }
.foot-brand p { max-width: 34ch; margin: 18px 0 22px; font-size: 14.5px; }
.foot-bottom { margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--ln-d); display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; font-size: 13.5px; }
.foot-bottom nav { display: flex; gap: 20px; }
.mail { display: inline-flex; align-items: center; gap: 8px; color: var(--tx-d); }
.mail .ic { width: 16px; height: 16px; }

/* ---------- inner pages ---------- */
.page-hero { position: relative; padding: 168px 0 96px; overflow: hidden; isolation: isolate; background: var(--g0); color: var(--tx-d); }
.page-hero .wrap { position: relative; display: grid; gap: 22px; }
.page-hero .eyebrow::before { content: "{ "; } .page-hero .eyebrow::after { content: " }"; }
.page-hero.has-img { min-height: 640px; display: grid; align-items: end; }
.page-hero .bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; filter: saturate(.85); }
.page-hero.has-img::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(13, 14, 17, .96) 0%, rgba(13, 14, 17, .8) 45%, rgba(13, 14, 17, .3) 100%), linear-gradient(0deg, rgba(13, 14, 17, .85), transparent 50%); }
.crumbs { display: flex; gap: 8px; align-items: center; font: 400 13px/1 var(--fm); color: var(--mu-d); }
.crumbs a:hover { color: var(--tx-d); }
.crumbs .ic { width: 12px; height: 12px; opacity: .6; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 4px; font: 400 12.5px/1.2 var(--f); border: 1px solid var(--ln2); color: var(--tx2); background: var(--p1); }
.dark .tag, .page-hero .tag { border-color: var(--ln-d2); color: #d5d9e1; background: rgba(255, 255, 255, .04); }
.tag .ic { width: 14px; height: 14px; }
.ph-split { grid-template-columns: 1.05fr .95fr; align-items: center; gap: 24px; }
.layer-art { position: relative; height: 460px; perspective: 1600px; }
.layer-art .stage { position: absolute; inset: 50px 0 -50px; transform-style: preserve-3d; transform: rotateX(58deg) rotateZ(-40deg); animation: stageFloat 7s ease-in-out infinite; }
@keyframes stageFloat { 50% { transform: rotateX(58deg) rotateZ(-40deg) translateZ(14px); } }
.layer-art .plane { position: absolute; left: 50%; top: 50%; width: 250px; height: 250px; margin: -125px 0 0 -125px; border-radius: 10px; border: 1px solid color-mix(in srgb, var(--acc) calc(30% + var(--i) * 10%), transparent); background: color-mix(in srgb, var(--acc) calc(4% + var(--i) * 3%), rgba(13, 14, 17, .82)); transform: translateZ(calc(var(--i) * 40px)); transition: transform .9s var(--ease-o); }
.layer-art .plane::after { content: ""; position: absolute; inset: 20px; background-image: radial-gradient(circle, var(--acc-hi) 1.1px, transparent 1.5px); background-size: 22px 22px; opacity: .3; }
.layer-art .plane span { position: absolute; left: 16px; top: 14px; font: 400 10.5px/1 var(--fm); letter-spacing: .12em; text-transform: uppercase; color: var(--acc-hi); }
.layer-art:hover .plane { transform: translateZ(calc(var(--i) * 62px)); }
.uc-nav { position: sticky; top: 68px; z-index: 20; background: color-mix(in srgb, var(--p0) 92%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--ln); }
.uc-nav .wrap { display: flex; gap: 4px; overflow-x: auto; padding: 10px 0; scrollbar-width: none; }
.uc-nav .wrap::-webkit-scrollbar { display: none; }
.uc-nav button { flex: none; border: 1px solid transparent; background: none; padding: 9px 14px; border-radius: 4px; font-size: 14px; color: var(--mu); transition: all .25s; }
.uc-nav button:hover { color: var(--tx); background: var(--p1); }
.uc-nav button[aria-selected="true"] { background: var(--tx); color: var(--p1); }
.uc-head { display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: end; }
.meta-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.meta-card { padding: 16px; border-radius: var(--r); background: var(--p1); border: 1px solid var(--ln); }
.meta-card small { display: block; font: 400 11px/1 var(--fm); letter-spacing: .06em; text-transform: uppercase; color: var(--mu); }
.meta-card b { display: block; margin-top: 8px; font-size: 16px; font-weight: 500; }
.meta-card.full { grid-column: 1 / -1; }
.block { margin-top: clamp(56px, 7vw, 88px); }
.block-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 24px; }
.block-head .num { color: var(--acc-lo); }
.block-head h3 { font-size: clamp(26px, 2.8vw, 36px); letter-spacing: -.03em; }
.problem-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.problem-item { display: grid; grid-template-columns: 36px 1fr; gap: 14px; padding: 18px; border-radius: var(--r); background: var(--p1); border: 1px solid var(--ln); color: var(--tx); }
.problem-item i { width: 36px; height: 36px; border-radius: 6px; display: grid; place-items: center; background: #fdf0f1; color: var(--bad); }
.problem-item i .ic { width: 19px; height: 19px; }
.problem-item b { display: block; font-size: 15.5px; font-weight: 500; margin-bottom: 4px; }
.problem-item p { margin: 0; font-size: 14.5px; color: var(--mu); line-height: 1.55; }
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.cap-grid .card { padding: 24px; }
.cap-grid .card h3 { font-size: 18px; margin: 16px 0 8px; }
.cap-grid .card p { font-size: 14.5px; }
.table-wrap { overflow-x: auto; border-radius: var(--r); border: 1px solid var(--ln); }
.table { width: 100%; border-collapse: collapse; font-size: 14.5px; background: var(--p1); color: var(--tx); }
.table-wrap .table { min-width: 640px; }
.table th { text-align: left; padding: 13px 18px; font: 400 11px/1.2 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--mu); background: #f7f7f4; border-bottom: 1px solid var(--ln); }
.table td { padding: 13px 18px; border-bottom: 1px solid #ecece7; vertical-align: top; color: var(--tx2); line-height: 1.5; }
.table tr:last-child td { border-bottom: 0; }
.table td:first-child { font-weight: 500; color: var(--tx); }
.table .before { color: var(--mu); }
.table .after { color: var(--acc-lo); font-weight: 600; }
.pipeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.pipe { padding: 22px; border-radius: var(--r); background: var(--p1); border: 1px solid var(--ln); display: grid; gap: 8px; align-content: start; color: var(--tx); transition: transform .5s var(--ease-o), box-shadow .5s; }
.pipe:hover { transform: translateY(-3px); box-shadow: 0 24px 48px -30px rgba(18, 20, 24, .35); }
.pipe .num { color: var(--acc-lo); }
.pipe b { font-size: 16.5px; font-weight: 500; }
.pipe p { margin: 0; font-size: 14.5px; color: var(--mu); line-height: 1.55; }
.pipe .prog { height: 2px; background: var(--ln); overflow: hidden; margin-top: 6px; }
.pipe .prog i { display: block; height: 100%; width: 0; background: var(--acc); transition: width 1.4s var(--ease-o); transition-delay: calc(var(--i) * .15s); }
.in .pipe .prog i { width: calc((var(--i) + 1) / var(--n) * 100%); }
.output { margin-top: 12px; display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: center; padding: 18px 22px; border-radius: var(--r); background: var(--g0); color: #d5d9e1; font-size: 15px; }
.output i { width: 44px; height: 44px; border-radius: 6px; display: grid; place-items: center; background: var(--acc); color: var(--acc-ink); }
.output i .ic { width: 20px; height: 20px; }
.output b { color: #fff; display: block; font: 400 12px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }
.kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.kpi { padding: 20px; border-radius: var(--r); background: var(--p1); border: 1px solid var(--ln); display: grid; gap: 6px; color: var(--tx); }
.kpi small { font-size: 13.5px; color: var(--mu); line-height: 1.45; }
.kpi b { font-size: 16px; font-weight: 500; }
.kpi .target { justify-self: start; margin-top: 6px; display: inline-flex; align-items: center; gap: 6px; font: 500 13px/1 var(--fm); padding: 7px 10px; border-radius: 4px; background: color-mix(in srgb, var(--acc) 10%, #fff); color: var(--acc-lo); }
.kpi .target .ic { width: 14px; height: 14px; }
.alerts { display: grid; gap: 8px; }
.alert { display: grid; grid-template-columns: 110px 1.1fr 1.4fr 1.4fr; gap: 18px; align-items: center; padding: 15px 18px; border-radius: var(--r); background: var(--p1); border: 1px solid var(--ln); font-size: 14.5px; color: var(--tx); }
.alert .sev { justify-self: start; display: inline-flex; align-items: center; gap: 6px; font: 500 11px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; padding: 6px 9px; border-radius: 4px; }
.sev::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.sev.critical { background: #fdf0f1; color: var(--bad); }
.sev.critical::before { animation: blink 1.2s infinite; }
@keyframes blink { 50% { opacity: .2; } }
.sev.high { background: #fff5e8; color: #c2410c; }
.sev.medium { background: color-mix(in srgb, var(--acc) 10%, #fff); color: var(--acc-lo); }
.sev.low, .sev.info { background: #f1f2f4; color: #4b5563; }
.alert b { font-weight: 500; }
.alert span { color: var(--mu); }
.alert .ic { display: inline; width: 14px; height: 14px; vertical-align: -2px; margin-right: 6px; }
.roi-total { margin-top: 14px; display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; padding: 28px 32px; border-radius: var(--r); background: var(--g0); color: #d5d9e1; border-left: 3px solid var(--acc); }
.roi-total small { display: block; font: 400 11.5px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--acc-hi); margin-bottom: 10px; }
.roi-total strong { font: 300 clamp(36px, 4vw, 54px)/1 var(--f); letter-spacing: -.05em; color: #fff; white-space: nowrap; }
.roi-total p { margin: 0; font-size: 15px; color: var(--mu-d); }
.notes { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.notes li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; padding: 14px 16px; border-radius: var(--r); background: var(--p1); border: 1px solid var(--ln); font-size: 15px; color: var(--tx2); line-height: 1.55; }
.notes .ic { width: 18px; height: 18px; color: var(--acc-lo); margin-top: 3px; }

/* flow diagram */
.diagram { position: relative; }
.wires { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; z-index: 0; }
.wires path { fill: none; }
.wires .base { stroke: var(--ln2); stroke-width: 1.2; }
.wires .flow { stroke: var(--acc); stroke-width: 1.8; stroke-dasharray: 2 12; stroke-linecap: round; animation: dash 1.4s linear infinite; }
.dark .wires .base { stroke: var(--ln-d2); }
.diagram > *:not(.wires) { position: relative; z-index: 1; }
.flowdia { display: grid; grid-template-columns: 1fr 1.15fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.flow-col { display: grid; gap: 10px; }
.flow-col > h5 { margin: 0 0 4px; font: 400 11.5px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--mu); }
.fnode { display: grid; grid-template-columns: 38px 1fr; gap: 12px; align-items: center; padding: 13px; border-radius: var(--r); background: var(--p1); border: 1px solid var(--ln); color: var(--tx); transition: transform .4s var(--ease-o), border-color .3s; }
.fnode:hover { transform: translateY(-2px); border-color: var(--acc-line); }
.fnode i { width: 38px; height: 38px; border-radius: 6px; display: grid; place-items: center; background: color-mix(in srgb, var(--acc) 10%, #fff); color: var(--acc-lo); }
.fnode i .ic { width: 20px; height: 20px; }
.fnode b { display: block; font-size: 15px; font-weight: 500; line-height: 1.3; }
.fnode small { display: block; font-size: 13px; color: var(--mu); line-height: 1.4; }
.fnode .vendors { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.fnode .vendors span { font: 400 10.5px/1 var(--fm); padding: 4px 6px; border-radius: 3px; background: var(--p0); color: var(--mu); border: 1px solid var(--ln); }
.fnode.out i { background: var(--g0); color: var(--acc-hi); }
.engine { position: relative; padding: 28px 22px; border-radius: var(--r-l); background: var(--g0); color: #fff; text-align: center; display: grid; gap: 12px; justify-items: center; border: 1px solid var(--acc); box-shadow: 0 0 0 6px var(--acc-soft), 0 40px 80px -40px color-mix(in srgb, var(--acc) 60%, transparent); overflow: hidden; isolation: isolate; --logo-bg: var(--g1); }
.engine::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(30deg, var(--ln-d) 1px, transparent 1px), linear-gradient(150deg, var(--ln-d) 1px, transparent 1px); background-size: 28px 16px; opacity: .8; }
.engine-mark { width: 60px; height: 60px; border-radius: 10px; display: grid; place-items: center; border: 1px solid var(--ln-d2); background: var(--g1); color: #fff; animation: breathe 4s ease-in-out infinite; }
@keyframes breathe { 50% { box-shadow: 0 0 0 8px var(--acc-soft); } }
.engine-mark .mark { width: 34px; height: 34px; }
.engine h4 { font-size: 19px; letter-spacing: -.02em; }
.engine p { margin: 0; font-size: 13px; color: var(--mu-d); line-height: 1.5; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 7px; padding: 6px 10px; border-radius: 4px; border: 1px solid var(--ln-d2); background: var(--g1); font-size: 12.5px; color: #d5d9e1; }

/* index cards */
.sol-card { display: grid; grid-template-rows: 220px 1fr; border-radius: var(--r); overflow: hidden; background: var(--p1); border: 1px solid var(--ln); color: var(--tx); transition: transform .5s var(--ease-o), box-shadow .5s; }
.sol-card:hover { transform: translateY(-4px); box-shadow: 0 30px 60px -36px rgba(18, 20, 24, .35); }
.sol-card .photo { border-radius: 0; }
.sol-card .body { padding: 24px; display: grid; gap: 12px; align-content: start; }
.sol-card .eyebrow { color: var(--acc-lo); }
.sol-card h3 { font-size: 22px; letter-spacing: -.025em; }
.sol-card p { margin: 0; font-size: 15px; color: var(--mu); }
.sol-card .foot { margin-top: 6px; display: flex; justify-content: space-between; align-items: center; }
.case-card { display: grid; grid-template-columns: 1fr 1.1fr; border-radius: var(--r); overflow: hidden; background: var(--p1); border: 1px solid var(--ln); min-height: 360px; color: var(--tx); transition: transform .5s var(--ease-o), box-shadow .5s; }
.case-card:hover { transform: translateY(-4px); box-shadow: 0 30px 60px -36px rgba(18, 20, 24, .35); }
.case-card .photo { border-radius: 0; }
.case-card .body { padding: clamp(24px, 3.4vw, 40px); display: grid; gap: 14px; align-content: center; }
.case-card .eyebrow { color: var(--acc-lo); }
.case-card .impact { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.case-card .impact strong { font: 300 clamp(36px, 3.8vw, 52px)/1 var(--f); letter-spacing: -.05em; color: var(--tx); }
.case-card .impact span { font-size: 14px; color: var(--mu); }
.case-card h3 { font-size: clamp(24px, 2.4vw, 32px); letter-spacing: -.03em; }
.case-card p { margin: 0; color: var(--mu); }
.results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--ln-d); border: 1px solid var(--ln-d); border-radius: var(--r); overflow: hidden; }
.result { padding: 28px; background: var(--g0); display: grid; gap: 8px; }
.result strong { font: 300 clamp(36px, 3.6vw, 52px)/1 var(--f); letter-spacing: -.05em; color: var(--tx-d); }
.result b { font-size: 16px; font-weight: 500; color: var(--acc-hi); margin-top: 8px; }
.result p { margin: 0; font-size: 14.5px; color: var(--mu-d); }
.kstrip { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--ln); border-radius: var(--r); background: var(--p1); overflow: hidden; color: var(--tx); }
.kstrip > div { padding: 22px 18px; }
.kstrip > div + div { border-left: 1px solid var(--ln); }
.kstrip strong { display: block; font: 300 30px/1.1 var(--f); letter-spacing: -.04em; }
.kstrip span { display: block; margin-top: 6px; font-size: 13.5px; color: var(--mu); line-height: 1.45; }
.roi-hero { display: grid; grid-template-columns: repeat(2, auto); gap: 40px; justify-content: start; }
.roi-hero div strong { display: block; font: 300 clamp(44px, 5.4vw, 72px)/1 var(--f); letter-spacing: -.05em; color: #fff; }
.roi-hero div span { display: block; margin-top: 8px; font-size: 14px; color: #c3c8d2; }
.prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.prevnext a { padding: 24px; border-radius: var(--r); background: var(--p1); border: 1px solid var(--ln); display: grid; gap: 6px; color: var(--tx); transition: transform .4s var(--ease-o), border-color .3s; }
.prevnext a:hover { transform: translateY(-3px); border-color: var(--tx); }
.prevnext a:last-child { text-align: right; }
.prevnext small { font: 400 11.5px/1 var(--fm); letter-spacing: .06em; text-transform: uppercase; color: var(--mu); }
.prevnext b { font-size: 19px; font-weight: 500; }
.prevnext .muted { color: var(--mu); }

/* light sections that carry no explicit class */
section.section:not(.dark):not(.paper):not(.alt) { background: var(--p0); color: var(--tx); }
section.section:not(.dark):not(.paper):not(.alt) .lead { color: var(--mu); }
section.section:not(.dark):not(.paper):not(.alt) em, section.section:not(.dark):not(.paper):not(.alt) .eyebrow, section.section:not(.dark):not(.paper):not(.alt) .label { color: var(--acc-lo); }
section.section:not(.dark):not(.paper):not(.alt) .link-arrow { color: var(--acc-lo); }
.alt .eyebrow, .alt em, .alt .label { color: var(--acc-lo); }
.alt .lead { color: var(--mu); }

/* about / contact */
.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.mission { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.mission .photo { aspect-ratio: 4 / 5; }
.quote { font: 400 clamp(24px, 2.6vw, 34px)/1.3 var(--f); letter-spacing: -.025em; margin: 0; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; align-items: start; }
.form { display: grid; gap: 16px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 13.5px; font-weight: 500; color: var(--tx2); }
.field input, .field select, .field textarea { width: 100%; padding: 13px 14px; border-radius: 4px; border: 1px solid var(--ln2); background: var(--p1); font: 400 16px/1.4 var(--f); color: var(--tx); transition: border-color .2s, box-shadow .2s; }
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--acc); box-shadow: 0 0 0 3px var(--acc-soft); }
.form-note { font-size: 13px; color: var(--mu); }
.side-card { display: grid; gap: 16px; }
.side-card .card { padding: 24px; }

/* ---------- reveal motion ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease-o), transform .9s var(--ease-o); transition-delay: calc(var(--d, 0) * 80ms); }
.js [data-reveal="fade"] { transform: none; }
.js [data-reveal="scale"] { transform: scale(.97); }
.js [data-reveal].in { opacity: 1; transform: none; }
.split-line { display: block; overflow: hidden; padding-bottom: .06em; }
.js .split-line > span { display: inline-block; transform: translateY(105%); transition: transform 1s var(--ease-o); transition-delay: calc(var(--d, 0) * 100ms + 100ms); }
.js .in .split-line > span, .js .split-line.in > span { transform: none; }
.js .hero2 [data-reveal], .js .page-hero [data-reveal] { opacity: 1; transform: none; transition: none; animation: heroIn 1s var(--ease-o) both; animation-delay: calc(var(--d, 0) * 90ms + 100ms); }
.js .hero2 .split-line > span, .js .page-hero .split-line > span { transform: none; transition: none; animation: lineIn 1s var(--ease-o) both; animation-delay: calc(var(--d, 0) * 100ms + 40ms); }
@keyframes heroIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes lineIn { from { transform: translateY(105%); } to { transform: none; } }
.page-hero.has-img .bg { animation: kenburns 18s ease-out both; }
@keyframes kenburns { from { transform: scale(1.08); } to { transform: scale(1); } }
.js .hero-canvas > * { animation: canvasIn .9s var(--ease-o) both; }
.js .hero-canvas > .hc-group { animation-delay: .45s; } .js .hero-canvas > .hc-core { animation-delay: .65s; } .js .hero-canvas > .hc-chips { animation-delay: .8s; }
.js .hero-canvas > .hc-agents, .js .hero-canvas > .hc-label { animation-delay: .9s; } .js .hero-canvas > .hc-panel { animation-delay: 1s; } .js .hero-canvas > .hc-rail { animation-delay: 1.1s; }
@keyframes canvasIn { from { opacity: 0; translate: 0 12px; } to { opacity: 1; translate: 0 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  [data-reveal], .split-line > span { opacity: 1 !important; transform: none !important; }
  .hero2-video, .particles { display: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: inline-flex; }
  .grid-4, .diff, .case-row { grid-template-columns: repeat(2, 1fr); }
  .flow4 { grid-template-columns: repeat(2, 1fr); }
  .flow4 li.step:nth-child(4) { border-left: 0; padding-left: 0; }
  .tabs { grid-template-columns: 1fr; }
  .stack { grid-template-columns: 1fr; }
  .ops-rail { grid-template-columns: repeat(2, 1fr); column-gap: 20px; }
  .ops-rail h4 { grid-column: 1 / -1; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .cap-grid, .kpi-grid, .results { grid-template-columns: repeat(2, 1fr); }
  .kstrip { grid-template-columns: repeat(3, 1fr); }
  .kstrip > div:nth-child(4) { border-left: 0; }
  .kstrip > div:nth-child(n+4) { border-top: 1px solid var(--ln); }
  .alert { grid-template-columns: 110px 1fr; }
  .alert span { grid-column: 2; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .diff .card h3 { min-height: 0; }
  .hero2-head { grid-template-columns: 1fr; gap: 18px; }
  .legend { margin-left: 0; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .head-split, .section-head.split, .uc-head, .mission, .contact-grid, .ph-split { grid-template-columns: 1fr; }
  .grid-3, .grid-2, .values, .pipeline, .problem-list, .vs-cards { grid-template-columns: 1fr; }
  .vs-card + .vs-card { border-left: 0; border-top: 1px solid var(--ln); }
  .challenge, .uc, .case-card { grid-template-columns: 1fr; }
  .challenge .photo, .uc .photo, .case-card .photo { aspect-ratio: 16 / 10; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .flowdia { grid-template-columns: 1fr; }
  .flowdia .wires { display: none; }
  .layer { grid-template-columns: 1fr; }
  .layer-sub { grid-column: 1; }
  .roi-total { grid-template-columns: 1fr; gap: 12px; }
  .prevnext { grid-template-columns: 1fr; }
  .form .row { grid-template-columns: 1fr; }
  .page-hero { padding: 132px 0 72px; }
  .page-hero.has-img { min-height: 560px; }
  .page-hero.has-img::after { background: linear-gradient(0deg, rgba(13, 14, 17, .97) 25%, rgba(13, 14, 17, .55)); }
  .layer-art { display: none; }
  .hero2 { min-height: 0; padding-top: 96px; }
  .hero-stage { min-height: 0; overflow-x: auto; overflow-y: hidden; scrollbar-width: thin; -webkit-overflow-scrolling: touch; }
  .hero-canvas { left: 0; transform-origin: top left; transform: scale(var(--s, .6)); }
  .hero2-hint::after { content: " · swipe to explore"; }
}
@media (max-width: 600px) {
  .grid-4, .diff, .flow4, .tab-list, .cap-grid, .kpi-grid, .results, .timeline, .case-row { grid-template-columns: 1fr; }
  .flow4 .step, .flow4 .step + .step { padding-left: 0; border-left: 0; border-top: 1px solid var(--ln-d); }
  .ops-rail { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .stat + .stat { padding-left: 0; border-left: 0; border-top: 1px solid var(--ln-d); }
  .kstrip { grid-template-columns: 1fr 1fr; }
  .kstrip > div { border-left: 0 !important; border-top: 1px solid var(--ln); }
  .kstrip > div:nth-child(-n+2) { border-top: 0; }
  .kstrip > div:nth-child(even) { border-left: 1px solid var(--ln) !important; }
  .foot-grid { grid-template-columns: 1fr; }
  .alert { grid-template-columns: 1fr; gap: 8px; }
  .alert span { grid-column: 1; }
  .roi-hero { grid-template-columns: 1fr; gap: 18px; }
  .vs-tools { padding: 12px; }
  .cta { border-radius: var(--r); }
}

/* ---------- sponsor banner ---------- */
.sponsor-bar { position: fixed; inset: 0 0 auto; z-index: 65; height: var(--sb-h); display: flex; align-items: center; justify-content: center; padding: 0 var(--gut); background: #08090b; border-bottom: 1px solid var(--ln-d); font: 500 11px/1 var(--fm); letter-spacing: .12em; text-transform: uppercase; color: var(--mu-d); text-align: center; }
.sponsor-bar a { color: var(--acc-hi); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--acc-hi) 45%, transparent); padding-bottom: 1px; }
.sponsor-bar a:hover { color: #fff; border-color: #fff; }
@media (max-width: 560px) { .sponsor-bar { font-size: 10px; letter-spacing: .08em; } }
@media print { .sponsor-bar { display: none; } }

/* ---------- GitHub link ---------- */
.nav-links a.nav-gh { gap: 8px; }
.nav-gh .ic-gh { width: 17px; height: 17px; flex: none; }
.drawer a.drawer-gh { justify-content: flex-start; gap: 12px; }
.drawer a.drawer-gh .ic-gh { width: 20px; height: 20px; opacity: .85; }
.drawer a.drawer-gh .ic:last-child { margin-left: auto; }

/* ---------- why NexusAI: vertical timeline with ticked circles ---------- */
.why-points { --dot: 30px; --step: .42s; }
.why-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.why-head { position: sticky; top: 130px; }
.why-head .lead { margin-top: 18px; }
.why-list { list-style: none; margin: 0; padding: 0; counter-reset: why; }
.why-list li { position: relative; display: grid; grid-template-columns: var(--dot) minmax(0, 1fr); column-gap: 22px; padding-bottom: 34px; }
.why-list li:last-child { padding-bottom: 0; }
/* connector: grey track + accent fill that draws down to the next circle */
.why-list li:not(:last-child)::before, .why-list li:not(:last-child)::after { content: ""; position: absolute; left: calc(var(--dot) / 2 - 1px); top: var(--dot); bottom: 0; width: 2px; border-radius: 2px; }
.why-list li:not(:last-child)::before { background: var(--ln-d2); }
.why-list li:not(:last-child)::after { background: linear-gradient(var(--acc), var(--acc-hi)); transform: scaleY(0); transform-origin: top; }
.why-dot { position: relative; z-index: 1; width: var(--dot); height: var(--dot); border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--ln-d2); background: var(--g0); color: var(--acc-ink); transition: background .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease); }
.why-tick { width: 17px; height: 17px; }
.why-tick path { stroke-dasharray: 24; stroke-dashoffset: 24; }
.why-body { padding-top: 2px; opacity: .35; transform: translateX(10px); transition: opacity .5s var(--ease-o), transform .5s var(--ease-o); }
.why-body h3 { display: flex; align-items: center; gap: 10px; margin: 0; font-size: clamp(18px, 1.7vw, 22px); font-weight: 600; letter-spacing: -.02em; color: var(--tx-d); }
.why-ic { width: 22px; height: 22px; flex: none; color: var(--acc-hi); }
.why-body p { margin: 6px 0 0; color: var(--mu-d); font-size: 15.5px; line-height: 1.55; max-width: 46ch; }

/* sequence: circle i ticks, then the line to circle i+1 draws */
.why-list.in li .why-dot { transition-delay: calc(var(--i) * var(--step)); background: var(--acc); border-color: var(--acc); box-shadow: 0 0 0 6px color-mix(in srgb, var(--acc) 18%, transparent); }
.why-list.in li .why-tick path { animation: why-draw .45s var(--ease-o) forwards; animation-delay: calc(var(--i) * var(--step) + .1s); }
.why-list.in li .why-body { opacity: 1; transform: none; transition-delay: calc(var(--i) * var(--step)); }
.why-list.in li:not(:last-child)::after { animation: why-line var(--step) linear forwards; animation-delay: calc(var(--i) * var(--step) + .3s); }
.why-list.in li .why-dot::after { content: ""; position: absolute; inset: -2px; border-radius: 50%; border: 2px solid var(--acc); opacity: 0; animation: why-ping .9s var(--ease-o) forwards; animation-delay: calc(var(--i) * var(--step)); }
@keyframes why-draw { to { stroke-dashoffset: 0; } }
@keyframes why-line { to { transform: scaleY(1); } }
@keyframes why-ping { 0% { opacity: .9; transform: scale(1); } 100% { opacity: 0; transform: scale(1.9); } }
@media (max-width: 900px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-head { position: static; }
}
@media (prefers-reduced-motion: reduce) {
  .why-list li .why-dot, .why-list li .why-body { transition: none; }
  .why-list li .why-tick path { stroke-dashoffset: 0; animation: none; }
  .why-list li:not(:last-child)::after { transform: scaleY(1); animation: none; }
  .why-list li .why-dot { background: var(--acc); border-color: var(--acc); }
  .why-list li .why-body { opacity: 1; transform: none; }
  .why-list li .why-dot::after { display: none; }
}