/* ==========================================================================
   Gridnova Technologies — website v3
   Brand guidelines v1.0: Ink / Paper / Nova Blue, gradient reserved for the
   mark and live data. Motion principle: the network resolves.
   ========================================================================== */
@font-face { font-family: "Montserrat"; font-weight: 500; font-display: swap; src: url(../fonts/montserrat-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Montserrat"; font-weight: 600; font-display: swap; src: url(../fonts/montserrat-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Montserrat"; font-weight: 700; font-display: swap; src: url(../fonts/montserrat-latin-700-normal.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url(../fonts/inter-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500; font-display: swap; src: url(../fonts/inter-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 400; font-display: swap; src: url(../fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2"); }

:root {
  --ink: #0B1A33; --ink-2: #0F2240; --ink-3: #132A52; --ink-line: #1E3256;
  --graphite: #55637A; --hair: #E4E9F0; --mist: #F5F7FA; --paper: #FFFFFF;
  --blue: #3061DF; --blue-d: #2550C4; --indigo: #2F4BD8; --azure: #3D86E8; --aqua: #4FD8E4;
  --cap: #8494AD; --body-d: #C4CFE0;
  --nova: linear-gradient(45deg, #2F4BD8 0%, #3D86E8 52%, #4FD8E4 100%);
  --disp: "Montserrat", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --wrap: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; background: var(--ink); }
body { margin: 0; background: var(--ink); color: #fff; font: 400 16px/1.7 var(--body); -webkit-font-smoothing: antialiased; overflow-x: clip; }
body.booting { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; padding: 0; }
h1, h2, h3 { font-family: var(--disp); font-weight: 600; letter-spacing: -0.015em; line-height: 1.14; margin: 0; }
p { margin: 0 0 1em; }
em { font-style: normal; }
:focus-visible { outline: 2px solid var(--aqua); outline-offset: 3px; border-radius: 6px; }
[data-theme="light"] :focus-visible { outline-color: var(--blue); }
.skip { position: absolute; left: -999px; top: 8px; z-index: 300; background: var(--blue); color: #fff; padding: 10px 16px; border-radius: 8px; }
.skip:focus { left: 8px; }

#world { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.no-gl body { background: radial-gradient(ellipse at 70% 20%, #14305E, var(--ink) 60%) fixed; }
main { position: relative; z-index: 1; }
.wrap { width: min(var(--wrap), 100% - 56px); margin-inline: auto; position: relative; }

.eyebrow { font: 400 11px/1.4 var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--cap); margin: 0 0 16px; display: flex; align-items: center; gap: 10px; }
[data-theme="light"] .eyebrow { color: var(--blue); }
.h-big { font-size: clamp(1.9rem, min(3.9vw, 6.4vh), 3.2rem); line-height: 1.1; letter-spacing: -0.02em; }
.h-mid { font-size: clamp(1.4rem, 2.2vw, 1.9rem); }
.lead { font-size: clamp(1rem, 1.3vw, 1.15rem); color: var(--body-d); max-width: 60ch; margin-top: 18px; }
.note { font-size: 12.5px; color: var(--cap); margin: 10px 0 0; }
.tag-new { font: 400 10px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; padding: 5px 9px; border-radius: 99px; background: var(--nova); color: #fff; }
.glass { background: rgba(12, 28, 55, .7); border: 1px solid var(--ink-line); border-radius: 20px; -webkit-backdrop-filter: blur(16px) saturate(1.2); backdrop-filter: blur(16px) saturate(1.2); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 26px; border-radius: 99px; background: var(--blue); color: #fff; border: 1px solid var(--blue);
  font-weight: 500; font-size: 15px; line-height: 1.2; transition: background 120ms, border-color 120ms, transform 300ms var(--ease); }
.btn:hover { background: var(--blue-d); border-color: var(--blue-d); }
.btn-line { background: transparent; border-color: rgba(255,255,255,.3); }
.btn-line:hover { background: rgba(255,255,255,.07); border-color: #fff; }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- Boot ---------- */
.boot { position: fixed; inset: 0; z-index: 250; display: grid; place-items: center; background: var(--ink); transition: background 700ms var(--ease); }
.boot.out { background: rgba(11,26,51,0); pointer-events: none; }
.boot-mark { width: min(34vw, 190px); aspect-ratio: 312/356; position: relative; will-change: transform; }

/* ---------- Mark (shared) ---------- */
.mark3d { position: absolute; inset: 0; transform-style: preserve-3d; }
.mark3d svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.mark3d .l-mesh { transform: translateZ(-36px); }
.mark3d .l-outline { transform: translateZ(46px); }
.mk-node { opacity: 0; transform-box: fill-box; transform-origin: center; transform: scale(.2); transition: opacity 320ms var(--ease), transform 420ms var(--ease); }
.mk-edge { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 520ms var(--ease); }
.mk-outline { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 900ms var(--ease) 600ms; }
.assembled .mk-node { opacity: 1; transform: none; }
.assembled .mk-edge, .assembled .mk-outline { stroke-dashoffset: 0; }
.instant * { transition: none !important; }

/* ---------- Progress, cursor ---------- */
.progress { position: fixed; inset: 0 0 auto; height: 2px; z-index: 220; pointer-events: none; }
.progress span { display: block; height: 100%; background: var(--nova); transform-origin: 0; transform: scaleX(0); }
.cursor { display: none; }
@media (hover: hover) and (pointer: fine) {
  .has-cursor, .has-cursor a, .has-cursor button, .has-cursor label, .has-cursor summary { cursor: none; }
  .has-cursor .cursor { display: block; position: fixed; inset: 0; pointer-events: none; z-index: 240; mix-blend-mode: difference; }
  .cursor-dot, .cursor-ring { position: absolute; left: 0; top: 0; border-radius: 50%; will-change: transform; }
  .cursor-dot { width: 6px; height: 6px; margin: -3px 0 0 -3px; background: #fff; }
  .cursor-ring { width: 34px; height: 34px; margin: -17px 0 0 -17px; border: 1px solid #fff; transition: width 300ms var(--ease), height 300ms var(--ease), margin 300ms var(--ease), opacity 200ms; }
  .cursor.is-hover .cursor-ring { opacity: .45; }
  .cursor.is-grab .cursor-ring { border-style: dashed; }
  .cursor.is-text .cursor-ring { opacity: 0; }
}

/* ---------- Nav ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 200; display: flex; align-items: center; justify-content: space-between; padding: 10px clamp(18px, 3vw, 40px); color: #fff;
  transition: background 300ms, color 300ms, border-color 300ms; border-bottom: 1px solid transparent; }
.nav-logo { position: relative; width: 150px; height: 52px; flex: none; }
.nav-logo img { position: absolute; inset: 0; width: 100%; height: 100%; transition: opacity 300ms; }
.nav .logo-light { opacity: 0; }
.nav.on-light { color: var(--ink); }
.nav.on-light .logo-dark { opacity: 0; } .nav.on-light .logo-light { opacity: 1; }
.nav.solid { background: rgba(11,26,51,.72); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-color: rgba(255,255,255,.06); }
.nav.solid.on-light { background: rgba(255,255,255,.85); border-color: var(--hair); }
.nav-links { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 34px); font-size: 14.5px; }
.nav-links a:not(.btn) { opacity: .8; transition: opacity 120ms; }
.nav-links a:not(.btn):hover { opacity: 1; }
.nav-toggle { display: none; width: 44px; height: 44px; position: relative; }
.nav-toggle span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: currentColor; transition: transform 300ms var(--ease); }
.nav-toggle span:first-child { top: 18px; } .nav-toggle span:last-child { top: 25px; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.rail { position: fixed; right: 14px; top: 50%; transform: translateY(-50%); z-index: 190; display: flex; flex-direction: column; gap: 4px; color: #fff; }
.rail.on-light { color: var(--ink); }
.rail a { display: flex; align-items: center; justify-content: flex-end; gap: 10px; height: 22px; }
.rail i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .35; transition: transform 300ms var(--ease), opacity 300ms; order: 2; }
.rail span { font: 400 10px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; opacity: 0; transform: translateX(6px); transition: opacity 200ms, transform 300ms var(--ease); white-space: nowrap; }
.rail a:hover span { opacity: .9; transform: none; }
.rail a.on i { opacity: 1; background: var(--azure); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero { min-height: 100vh; min-height: 100svh; display: grid; align-content: center; padding: 96px 0 84px; position: relative; }
.hero-in { width: min(1240px, 100% - 56px); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 40px; align-items: center; will-change: transform, opacity; }
.hero-title { font-size: clamp(2.2rem, min(4.5vw, 8.2vh), 4.3rem); line-height: 1.06; letter-spacing: -0.028em; margin-bottom: 26px; max-width: 14.5em; }
.hero-title .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .1em; margin-bottom: -.1em; }
.hero-title .w > span { display: inline-block; transform: translateY(108%); transition: transform 1000ms var(--ease); transition-delay: calc(var(--i) * 55ms); }
.is-ready .hero-title .w > span { transform: none; }
.hero-title .g > span { background: var(--nova); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: clamp(1rem, 1.35vw, 1.16rem); color: var(--body-d); max-width: 54ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-copy .eyebrow, .hero-sub, .hero-cta, .hero-foot { opacity: 0; transition: opacity 500ms var(--ease) 500ms; }
.is-ready .hero-copy .eyebrow, .is-ready .hero-sub, .is-ready .hero-cta, .is-ready .hero-foot { opacity: 1; }
.hero-mark { position: relative; aspect-ratio: 312/356; width: min(100%, 400px, 50vh); justify-self: center; perspective: 1100px; visibility: hidden; }
.hero-mark.show { visibility: visible; }
.hero-foot { position: absolute; left: 0; right: 0; bottom: 26px; width: min(1240px, 100% - 56px); margin: 0 auto; display: flex; gap: 12px 30px; flex-wrap: wrap;
  font: 400 11px/1.4 var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--cap); }
.hero-foot span + span::before { content: "·"; margin-right: 30px; margin-left: -16px; }

/* ==========================================================================
   IDEA band
   ========================================================================== */
.idea { width: min(1040px, 100% - 56px); margin: 0 auto; padding: 6vh 0 16vh; }
.idea-text { font: 600 clamp(1.6rem, min(3.7vw, 6vh), 3.1rem)/1.2 var(--disp); letter-spacing: -0.02em; margin: 0; }
.idea-text .w { color: rgba(196,207,224,.22); transition: color 260ms linear; }
.idea-text .w.on { color: #fff; }
.idea-text .w.key.on { color: var(--aqua); }

/* ==========================================================================
   ON-PREM AI — interactive console
   ========================================================================== */
.onprem { padding: 84px 0 clamp(70px, 9vw, 120px); position: relative; overflow-x: clip; }
.op-mhead { display: none; font: 400 11px/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--cap); align-items: center; gap: 10px; margin: 0 0 6px; padding: 0 clamp(14px, 2vw, 32px); }
.op-console { display: grid; grid-template-columns: 330px minmax(0, 1fr) 350px; gap: 18px; align-items: stretch; max-width: 1640px; margin: 0 auto; padding: 0 clamp(14px, 2vw, 32px); }
.op-left, .op-right { padding: 26px 24px; position: relative; z-index: 3; align-self: start; }
.hud { --c: rgba(132,148,173,.55); }
.hud::before { content: ""; position: absolute; inset: -40px -60px; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse 60% 55% at 50% 45%, rgba(11,26,51,.92), rgba(11,26,51,.6) 55%, rgba(11,26,51,0) 100%); }
.hud::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(var(--c), var(--c)) top left / 16px 1px no-repeat, linear-gradient(var(--c), var(--c)) top left / 1px 16px no-repeat,
    linear-gradient(var(--c), var(--c)) top right / 16px 1px no-repeat, linear-gradient(var(--c), var(--c)) top right / 1px 16px no-repeat,
    linear-gradient(var(--c), var(--c)) bottom left / 16px 1px no-repeat, linear-gradient(var(--c), var(--c)) bottom left / 1px 16px no-repeat,
    linear-gradient(var(--c), var(--c)) bottom right / 16px 1px no-repeat, linear-gradient(var(--c), var(--c)) bottom right / 1px 16px no-repeat; }
.op-title { font-size: clamp(1.55rem, 2.1vw, 2.05rem); line-height: 1.14; letter-spacing: -0.02em; margin-bottom: 12px; }
.op-title em { background: var(--nova); -webkit-background-clip: text; background-clip: text; color: transparent; }
.op-lead { color: var(--body-d); font-size: 14px; line-height: 1.55; margin-bottom: 14px; }
.ctl { padding: 14px 0 2px; border-top: 1px solid var(--ink-line); }
.ctl-k { font: 400 10.5px/1.4 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--cap); margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.ctl-k small { margin-left: auto; font-size: 9px; letter-spacing: .16em; padding: 3px 7px; border: 1px solid var(--ink-line); border-radius: 99px; }
.seg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid #2A4270; border-radius: 10px; padding: 3px; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; text-align: center; padding: 10px 4px; border-radius: 7px; border: 1px solid transparent; color: var(--body-d); font-size: 12.5px; line-height: 1.2; transition: all 120ms; }
.seg label:hover span { color: #fff; }
.seg input:checked + span { background: var(--blue); border-color: var(--blue); color: #fff; }
.seg input:focus-visible + span { outline: 2px solid var(--aqua); outline-offset: 2px; }
.ctl-desc { font-size: 13px; line-height: 1.55; color: var(--body-d); margin: 10px 0 10px; min-height: 4.7em; }
.ctl-desc b { display: block; font: 400 10px var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--aqua); margin-bottom: 4px; }
.range { display: block; margin-bottom: 16px; }
.range > span { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 10px; color: var(--body-d); }
.range output { font: 400 12.5px var(--mono); color: #fff; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 3px; border-radius: 3px; outline-offset: 10px; display: block;
  background: linear-gradient(90deg, var(--azure), var(--azure)) 0 / var(--fill, 50%) 100% no-repeat, var(--ink-line); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: #fff; border: 2px solid var(--azure); box-shadow: 0 2px 10px rgba(0,0,0,.4); cursor: grab; }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 2px solid var(--azure); cursor: grab; }
.result { padding-top: 16px; border-top: 1px solid var(--ink-line); }
.tier { font: 600 1.7rem/1.1 var(--disp); letter-spacing: -0.02em; margin: 0 0 6px; }
.tier.flash { animation: flash 600ms var(--ease); }
@keyframes flash { from { opacity: .2; transform: translateY(6px); } }
.tier-hw { font-size: 12.5px; line-height: 1.5; color: var(--body-d); margin: 0 0 12px; min-height: 5.6em; }

/* Stage */
.op-stage { position: sticky; top: 76px; align-self: start; height: clamp(420px, calc(100vh - 96px), 700px); perspective: 1500px; perspective-origin: 50% 35%; touch-action: pan-y; user-select: none; -webkit-user-select: none; z-index: 2; }
.op-world { position: absolute; left: 50%; top: 50%; width: 700px; height: 560px; margin: -280px 0 0 -330px; transform-style: preserve-3d; --rx: 60deg; --rz: -32deg; --s: .8; --inv: 1;
  transform: scale(var(--s)) rotateX(var(--rx)) rotateZ(var(--rz)); will-change: transform; }
.op-world > *, .bx, .bx .f, .grp, .grp > * { position: absolute; }
.grp, .bx { transform-style: preserve-3d; }
.fl-grid { left: -300px; top: -300px; width: 1300px; height: 1160px;
  background-image: linear-gradient(rgba(61,134,232,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(61,134,232,.2) 1px, transparent 1px); background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(closest-side, #000 35%, transparent 100%); mask-image: radial-gradient(closest-side, #000 35%, transparent 100%); }
.premises { left: 40px; top: 60px; width: 470px; height: 440px; border-radius: 26px; border: 1.5px solid var(--azure); background: rgba(48,97,223,.09); box-shadow: inset 0 0 70px rgba(48,97,223,.2); transition: border-color 500ms, box-shadow 500ms; }
[data-dep="airgap"] .premises { border-color: var(--aqua); box-shadow: inset 0 0 90px rgba(79,216,228,.2); }
.fl-l { font: 400 9px/1 var(--mono); letter-spacing: .22em; text-transform: uppercase; color: rgba(170,195,235,.75); white-space: nowrap; transform: translateZ(.5px); }
.fl-l.big { font-size: 11px; color: var(--aqua); }
.wall { transition: opacity 500ms; opacity: .7; }
.wall.h { background: linear-gradient(to top, rgba(61,134,232,.42), rgba(79,216,228,0)); transform-origin: bottom; transform: rotateX(-90deg); }
.wall.v { background: linear-gradient(to right, rgba(61,134,232,.42), rgba(79,216,228,0)); transform-origin: left; transform: rotateY(-90deg); }
[data-dep="airgap"] .wall { opacity: 1; }
[data-dep="airgap"] .wall.h { background: linear-gradient(to top, rgba(79,216,228,.6), rgba(79,216,228,0)); }
[data-dep="airgap"] .wall.v { background: linear-gradient(to right, rgba(79,216,228,.6), rgba(79,216,228,0)); }

/* boxes */
.bx .f { display: block; background: #14305C; border: 1px solid rgba(120,170,240,.4); transition: background 300ms, border-color 300ms, opacity 400ms; }
.bx .f-top { inset: 0; transform: translateZ(var(--h)); background: #1D3D75; }
.bx .f-front, .bx .f-back { left: 0; width: 100%; height: var(--h); transform-origin: bottom; transform: rotateX(-90deg); }
.bx .f-front { bottom: 0; } .bx .f-back { bottom: 100%; }
.bx .f-left, .bx .f-right { top: 0; height: 100%; width: var(--h); transform-origin: left; transform: rotateY(-90deg); background: #0F2448; }
.bx .f-left { left: 0; } .bx .f-right { left: 100%; }
.hl .f, .hl.f { border-color: var(--aqua) !important; }
.hl .f-top { background: #2A5AA8; }

.rack { transform: scale3d(1, 1, .001); transition: transform 800ms var(--ease); }
.rack.on { transform: none; }
.rack:not(.on) .f { opacity: 0; }
.rack .f-front { background: repeating-linear-gradient(to bottom, #14305C 0 13px, #0A1A36 13px 15px); }
.rack .f-left, .rack .f-right { background: repeating-linear-gradient(to right, #0F2448 0 13px, #091730 13px 15px); }
.led { position: absolute; right: 8px; width: 5px; height: 5px; border-radius: 50%; background: var(--aqua); animation: led 1.8s steps(2, jump-none) infinite; }
.led:nth-child(3n) { background: var(--azure); }
@keyframes led { 50% { opacity: .2; } }
.busy .led { animation-duration: .28s; }
.busy .rack .f-top { background: #2A5AA8; }

.holo-spin { animation: spinZ 7s linear infinite; }
.busy .holo-spin { animation-duration: 1.1s; }
.holo-spin i { position: absolute; left: -17px; top: -40px; width: 34px; height: 40px; transform-origin: bottom; transform: rotateX(-90deg); background: var(--nova); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); opacity: .95; }
@keyframes spinZ { to { transform: rotateZ(360deg); } }
.cube-spin { animation: spinC 14s linear infinite; }
@keyframes spinC { to { transform: rotateX(360deg) rotateZ(360deg); } }
.cube-spin i { position: absolute; left: -17px; top: -17px; width: 34px; height: 34px; border: 1.5px solid var(--aqua); background: rgba(79,216,228,.08); }
.cube-spin i:nth-child(1) { transform: translateZ(17px); } .cube-spin i:nth-child(2) { transform: rotateY(180deg) translateZ(17px); }
.cube-spin i:nth-child(3) { transform: rotateY(90deg) translateZ(17px); } .cube-spin i:nth-child(4) { transform: rotateY(-90deg) translateZ(17px); }
.cube-spin i:nth-child(5) { transform: rotateX(90deg) translateZ(17px); } .cube-spin i:nth-child(6) { transform: rotateX(-90deg) translateZ(17px); }
.docs i { position: absolute; inset: 0; background: #DCE6F6; border: 1px solid #8FA6C9; transition: opacity 500ms, transform 600ms var(--ease); }
.docs:not(.on) i { opacity: 0; transform: translateZ(0) !important; }
.sys .f-top { display: grid; place-items: center; font: 400 8.5px/1 var(--mono); letter-spacing: .08em; color: #fff; }
.pad { border-radius: 50%; border: 1.5px solid var(--aqua); background: rgba(79,216,228,.1); }
.pad::after { content: ""; position: absolute; inset: 10px; border-radius: 50%; border: 1px dashed rgba(79,216,228,.6); animation: spinZ 16s linear infinite; }
.desk { transition: opacity 400ms; }
.desk:not(.on) .f, .desk:not(.on) .scr { opacity: 0; }
.scr { left: 7px; width: 26px; height: 18px; top: -12px; transform-origin: bottom; transform: translateZ(12px) rotateX(-78deg); background: #2A4E8F; border: 1px solid rgba(160,200,255,.6); transition: background 200ms, opacity 400ms; }
.desk.act .scr { background: var(--aqua); }
.beacon .f { background: #14305C; }
.ringp { width: 46px; height: 46px; border-radius: 50%; border: 1.5px solid var(--aqua); animation: ringp 2.6s var(--ease) infinite; }
@keyframes ringp { 0% { transform: translateZ(90px) scale(.3); opacity: 1; } 80%, 100% { transform: translateZ(92px) scale(1.2); opacity: 0; } }
.ln { height: 2px; margin-top: -1px; background: rgba(61,134,232,.6); transform-origin: 0 50%; }
.cable { height: 3px; margin-top: -1.5px; top: 400px; background: #6E84AE; transition: transform 600ms var(--ease), background 400ms, opacity 400ms; transform: translateZ(1px); }
.cable.a { left: 510px; width: 47px; transform-origin: left; } .cable.b { left: 557px; width: 47px; transform-origin: right; }
[data-dep="airgap"] .cable { transform: translateZ(1px) scaleX(.55); background: #44587F; }
[data-dep="hybrid"] .cable { background: var(--azure); }

/* overlay labels — flat, positioned from anchors inside the 3D scene */
.anc { width: 0; height: 0; }
.op-over { position: absolute; inset: 0; pointer-events: none; z-index: 2; --cs: 1; }
.ov { position: absolute; left: 0; top: 0; width: 0; height: 0; will-change: transform; }
.ov > * { position: absolute; pointer-events: auto; }
.cloud { left: -54px; top: -54px; width: 108px; height: 108px; border-radius: 50%; border: 1.5px dashed #7C90B5; background: rgba(11,26,51,.72); display: grid; place-items: center; text-align: center; pointer-events: none !important;
  font: 400 9.5px/1.5 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--body-d); transition: opacity 500ms, border-color 400ms; transform: scale(var(--cs)); }
.teth { position: absolute; left: 50%; top: 100%; width: 1px; background: linear-gradient(#7C90B5, rgba(124,144,181,.15)); }
[data-dep="airgap"] .cloud { opacity: .3; }
[data-dep="hybrid"] .cloud { border-color: var(--azure); }
.port { left: -13px; top: -13px; width: 26px; height: 26px; border-radius: 50%; background: var(--ink); border: 1.5px solid var(--aqua); display: grid; place-items: center; pointer-events: none !important; }
.port svg { width: 12px; height: 12px; fill: none; stroke: var(--aqua); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.port .i-x, .port .i-open { display: none; }
[data-dep="airgap"] .port .i-lock, [data-dep="hybrid"] .port .i-lock { display: none; }
[data-dep="airgap"] .port .i-x { display: block; } [data-dep="hybrid"] .port .i-open { display: block; }
.pin-b { left: -14px; top: -14px; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); border: 1.5px solid #fff; color: #fff; font: 400 10px/1 var(--mono); display: grid; place-items: center;
  transition: background 150ms, border-color 150ms, box-shadow 300ms; cursor: pointer; }
.pin-b::before { content: ""; position: absolute; inset: -9px; border-radius: 50%; }
.pin-b:hover, .pin.on .pin-b { background: var(--blue); border-color: var(--blue); }
.pin-l { left: 24px; top: -15px; width: 220px; font: 400 12px/1.5 var(--body); background: #fff; color: var(--graphite); padding: 10px 12px; border-radius: 10px; box-shadow: 0 18px 40px -12px rgba(0,0,0,.55); opacity: 0; pointer-events: none !important; transform: translateX(-6px); transition: opacity 200ms, transform 300ms var(--ease); }
.pin.on .pin-l { opacity: 1; transform: none; z-index: 3; }
.pin-l b { display: block; font: 600 13px/1.3 var(--disp); color: var(--ink); margin-bottom: 4px; }
.pin.on { z-index: 3; }
.pin .pin-l { left: var(--cl, 24px); top: var(--ct, -15px); width: var(--cw, 220px); }
.pk { position: absolute; left: 0; top: 0; width: 0; height: 0; pointer-events: none; }
.pk::before { content: ""; position: absolute; left: -6px; top: -6px; width: 12px; height: 12px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 14px 3px rgba(79,216,228,.75); }
.pk.out::before { background: #9FB1CF; box-shadow: 0 0 10px 2px rgba(159,177,207,.5); width: 9px; height: 9px; left: -4.5px; top: -4.5px; }

.op-hint { position: absolute; left: 50%; top: 10px; transform: translateX(-50%); margin: 0; font: 400 10px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--cap); white-space: nowrap; display: flex; align-items: center; gap: 8px; pointer-events: none; transition: opacity 400ms; }
.op-hint i { width: 14px; height: 14px; border-radius: 50%; border: 1px solid var(--cap); position: relative; }
.op-hint i::after { content: ""; position: absolute; left: 4px; top: 4px; width: 4px; height: 4px; border-radius: 50%; background: var(--cap); animation: nudge 1.8s var(--ease) infinite; }
@keyframes nudge { 50% { transform: translateX(4px); } }
.dragged .op-hint { opacity: 0; }
.op-meter { position: absolute; left: 4%; right: 4%; bottom: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; pointer-events: none; border-top: 1px solid var(--ink-line); }
.op-meter div { padding: 12px 16px 4px; }
.op-meter div + div { border-left: 1px solid var(--ink-line); }
.op-meter b { display: block; font: 600 1.25rem/1.1 var(--disp); font-variant-numeric: tabular-nums; }
.op-meter b.zero { background: var(--nova); -webkit-background-clip: text; background-clip: text; color: transparent; }
.op-meter b.pop { animation: flash 500ms var(--ease); }
@keyframes pop { 30% { transform: scale(1.12); } }
.op-meter span { font: 400 9.5px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--cap); }

/* Assistant */
.live { width: 7px; height: 7px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 0 rgba(79,216,228,.6); animation: ping 2s infinite; flex: none; }
@keyframes ping { 70% { box-shadow: 0 0 0 9px rgba(79,216,228,0); } 100% { box-shadow: 0 0 0 0 rgba(79,216,228,0); } }
.chips-q { display: flex; flex-wrap: wrap; gap: 2px 16px; margin-bottom: 16px; border-bottom: 1px solid var(--ink-line); }
.chips-q button { padding: 8px 0 9px; margin-bottom: -1px; border-bottom: 1.5px solid transparent; font-size: 13px; color: var(--cap); transition: color 120ms, border-color 120ms; }
.chips-q button:hover { color: #fff; }
.chips-q button[aria-selected="true"] { color: #fff; border-bottom-color: var(--aqua); }
.convo { padding: 2px 0 2px 16px; border-left: 1px solid var(--ink-line); min-height: 250px; }
.convo .q { font: 500 15px/1.45 var(--disp); margin: 0 0 12px; position: relative; }
.convo .q::before { content: "›"; position: absolute; left: -16px; top: -1px; width: 10px; color: var(--aqua); font-family: var(--mono); }
.log { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 5px; }
.log li { font: 400 10.5px/1.5 var(--mono); color: var(--cap); padding-left: 16px; position: relative; opacity: 0; transform: translateX(-6px); transition: opacity 300ms, transform 400ms var(--ease), color 300ms; }
.log li.in { opacity: 1; transform: none; }
.log li::before { content: ""; position: absolute; left: 0; top: .45em; width: 7px; height: 8px; background: var(--azure); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.convo .a { font-size: 13.5px; line-height: 1.6; color: #E6ECF5; margin: 0; }
.convo .a.typing::after { content: ""; display: inline-block; width: 7px; height: 1em; vertical-align: -2px; margin-left: 2px; background: var(--aqua); animation: blink 800ms steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.convo .src { font: 400 10.5px/1.5 var(--mono); color: var(--aqua); margin: 10px 0 0; opacity: 0; transition: opacity 400ms; }
.convo .src.show { opacity: 1; }
.setup { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--ink-line); }
.setup-list { list-style: none; margin: 0; padding: 0; }
.setup-list button { width: 100%; text-align: left; display: flex; gap: 12px; align-items: center; padding: 6px 0; border-radius: 0; font-size: 13.5px; color: var(--body-d); transition: background 120ms, color 120ms; }
.setup-list button b { font: 400 10px var(--mono); color: var(--cap); }
.setup-list button:hover, .setup-list li.on button { color: #fff; }
.setup-list li.on button b { color: var(--aqua); }
.setup-list p { display: none; font-size: 12.5px; line-height: 1.55; color: var(--body-d); margin: 4px 8px 8px 38px; }
.setup-list li.on p { display: none; }
.setup-list li.on button b { color: var(--aqua); }

/* details row */
.op-details { display: grid; grid-template-columns: 1.3fr .72fr 1fr; gap: clamp(24px, 3.4vw, 56px); margin-top: clamp(50px, 7vw, 90px); align-items: start; }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.why { padding: 20px; border: 1px solid var(--ink-line); border-radius: 16px; background: rgba(12,28,55,.6); position: relative; overflow: hidden; }
.why::before { content: ""; position: absolute; inset: 0; background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), rgba(61,134,232,.22), transparent 60%); opacity: 0; transition: opacity 300ms; }
.why:hover::before { opacity: 1; }
.why span { font: 400 10.5px var(--mono); letter-spacing: .2em; color: var(--aqua); display: block; margin-bottom: 22px; position: relative; }
.why h3 { font-size: 16.5px; margin-bottom: 8px; position: relative; }
.why p { font-size: 13.5px; line-height: 1.55; color: var(--body-d); margin: 0; position: relative; }
.rail-v { list-style: none; margin: 0; padding: 0; counter-reset: r; position: relative; }
.rail-v::before, .rail-v::after { content: ""; position: absolute; left: 14px; top: 14px; bottom: 30px; width: 1px; background: var(--ink-line); }
.rail-v::after { background: var(--nova); transform-origin: top; transform: scaleY(0); transition: transform 1500ms var(--ease) 200ms; }
.in .rail-v::after { transform: scaleY(1); }
.rail-v li { counter-increment: r; padding: 2px 0 18px 46px; position: relative; }
.rail-v li::before { content: counter(r); position: absolute; left: 0; top: 0; width: 29px; height: 29px; border-radius: 50%; display: grid; place-items: center; z-index: 1; background: var(--ink); border: 1px solid var(--azure); font: 400 11px var(--mono); color: #fff; }
.rail-v b { display: block; font: 600 15.5px/1.3 var(--disp); }
.rail-v span { font-size: 13px; line-height: 1.5; color: var(--body-d); display: block; }
.op-faq details { border-bottom: 1px solid var(--ink-line); }
.op-faq details:first-of-type { border-top: 1px solid var(--ink-line); }
.op-faq summary { list-style: none; cursor: pointer; padding: 15px 34px 15px 0; font: 600 14.5px/1.4 var(--disp); position: relative; }
.op-faq summary::-webkit-details-marker { display: none; }
.op-faq summary::after { content: ""; position: absolute; right: 4px; top: 50%; width: 12px; height: 12px; margin-top: -6px;
  background: linear-gradient(#fff, #fff) center/12px 1.5px no-repeat, linear-gradient(#fff, #fff) center/1.5px 12px no-repeat; transition: transform 300ms var(--ease); }
.op-faq details[open] summary::after { transform: rotate(45deg); }
.op-faq details p { font-size: 13.5px; line-height: 1.6; color: var(--body-d); padding-bottom: 16px; margin: 0; }

/* ==========================================================================
   SHEETS (paper cards floating over the world)
   ========================================================================== */
.sheet { position: relative; z-index: 2; background: var(--paper); color: var(--ink); margin: 0 clamp(8px, 1.6vw, 28px); border-radius: clamp(22px, 3vw, 44px);
  padding: clamp(60px, 8vw, 110px) 0; overflow: hidden; transform-origin: 50% 0; will-change: transform; box-shadow: 0 40px 120px -40px rgba(0,0,0,.6); }
.sheet-bg { position: absolute; right: -1vw; top: 2%; font: 700 clamp(10rem, 28vw, 26rem)/1 var(--disp); letter-spacing: -0.05em; color: transparent; -webkit-text-stroke: 1px var(--hair); pointer-events: none; user-select: none; will-change: transform; }
.about-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(36px, 6vw, 90px); align-items: start; }
.about-copy .h-big { margin-bottom: 24px; }
.about-copy > p { color: var(--graphite); font-size: 1.03rem; }
.buys { margin-top: 26px; padding: 22px 24px; background: var(--mist); border-radius: 14px; border: 1px solid var(--hair); }
.buys .eyebrow { margin-bottom: 8px; }
.buys p { margin: 0; font-size: 1.03rem; }
.offers { display: grid; gap: 10px; }
.offer { display: block; position: relative; padding: 20px 24px 20px 70px; background: var(--paper); border: 1px solid var(--hair); border-radius: 14px; transition: transform 500ms var(--ease), box-shadow 500ms var(--ease); }
.offer:hover { box-shadow: 0 20px 40px -30px rgba(11,26,51,.4); }
.offer h3 { font-size: 17.5px; margin-bottom: 4px; }
.offer p { color: var(--graphite); font-size: 14.5px; line-height: 1.55; margin: 0; }
.hex { position: absolute; left: 24px; top: 22px; width: 24px; height: 28px; background: var(--nova); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.offer-new { background: var(--ink); color: #fff; border-color: var(--ink); padding: 24px; }
.offer-new .tag-new { display: inline-block; margin-bottom: 12px; }
.offer-new h3 { font-size: 23px; }
.offer-new p { color: var(--body-d); }
.offer-new .arrow { position: absolute; right: 24px; top: 22px; font-size: 22px; transition: transform 300ms var(--ease); }
.offer-new:hover .arrow { transform: translateX(6px); }
.record { margin-top: clamp(48px, 6vw, 80px); padding-top: clamp(36px, 4vw, 56px); border-top: 1px solid var(--hair); }
.record-head { display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(20px, 4vw, 60px); align-items: start; margin-bottom: 28px; }
.record-head p { color: var(--graphite); margin: 0; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
.stat { padding: 32px 22px 30px 0; }
.stat + .stat { padding-left: 22px; border-left: 1px solid var(--hair); }
.stat b { display: block; font: 600 clamp(2.2rem, 4.4vw, 3.7rem)/1 var(--disp); letter-spacing: -0.03em; margin-bottom: 10px; font-variant-numeric: tabular-nums; }
.stat span { color: var(--graphite); font-size: 14.5px; }

/* ==========================================================================
   PARALLAX BAND
   ========================================================================== */
.band { padding: clamp(60px, 11vh, 120px) 0; overflow: hidden; position: relative; }
.band-line { font: 600 clamp(2.3rem, 7.4vw, 6.8rem)/1.08 var(--disp); letter-spacing: -0.03em; white-space: nowrap; margin: 0; color: #fff; will-change: transform; margin-left: -10vw; }
.band-line.alt { color: transparent; -webkit-text-stroke: 1.2px rgba(196,207,224,.55); margin-left: -60vw; }
.band-line i { display: inline-block; width: .32em; height: .37em; margin: 0 .28em .1em; background: var(--nova); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }

/* ==========================================================================
   WORK — hex explorer
   ========================================================================== */
.work { padding: clamp(30px, 5vh, 60px) 0 clamp(80px, 11vh, 130px); }
.work-head { margin-bottom: 20px; }
.hx-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: clamp(26px, 4vh, 48px); }
.hx-tabs button { padding: 9px 16px 9px 12px; border-radius: 99px; border: 1px solid var(--ink-line); background: rgba(12,28,55,.6); font-size: 14px; color: var(--body-d); display: flex; gap: 10px; align-items: center; transition: all 120ms; }
.hx-tabs button b { font: 400 10px var(--mono); color: var(--cap); }
.hx-tabs button:hover { color: #fff; border-color: #35518A; }
.hx-tabs button[aria-selected="true"] { background: var(--blue); border-color: var(--blue); color: #fff; }
.hx-tabs button[aria-selected="true"] b { color: #fff; }
.hx { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(36px, 6vw, 96px); align-items: center; }
.hx-dial { position: relative; width: min(100%, 430px, 56vh); aspect-ratio: 100 / 115.47; margin: 0 auto; perspective: 1000px; }
.hx-tilt { position: absolute; inset: 0; transform-style: preserve-3d; will-change: transform; }
.hx-window { position: absolute; inset: 3%; clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); background: radial-gradient(circle at 50% 38%, #17335F, #0B1A33 78%); }
.hx-window canvas { position: absolute; inset: 0; width: 100%; height: 100%; transition: opacity 260ms; }
.hx-window canvas.swap { opacity: 0; }
.hx-ring { position: absolute; left: -4%; top: -3.464%; width: 108%; height: 106.928%; overflow: visible; pointer-events: none; transform: translateZ(14px); }
.hx-base { fill: none; stroke: var(--ink-line); stroke-width: 1; }
.hx-prog { fill: none; stroke: url(#hxg); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 0 6; transition: stroke-dasharray 900ms var(--ease); }
.hx-node { position: absolute; left: var(--x); top: var(--y); width: 42px; height: 42px; margin: -21px 0 0 -21px; border-radius: 50%; background: var(--ink); border: 1.5px solid #3A5385; color: var(--body-d);
  font: 400 11px/1 var(--mono); transform: translateZ(34px); transition: background 200ms, border-color 200ms, color 200ms, box-shadow 400ms var(--ease); }
.hx-node:hover { border-color: #fff; color: #fff; }
.hx-node.done { border-color: var(--azure); color: #fff; }
.hx-node.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.hx-copy { display: grid; min-width: 0; }
.case { grid-area: 1 / 1; visibility: hidden; opacity: 0; transition: opacity 200ms, visibility 0s 200ms; }
.case.is-on { visibility: visible; opacity: 1; transition: opacity 300ms 120ms; }
.case > * { transform: translateY(16px); opacity: 0; transition: transform 700ms var(--ease), opacity 400ms; }
.case.is-on > * { transform: none; opacity: 1; }
.case.is-on > :nth-child(2) { transition-delay: 160ms; } .case.is-on > :nth-child(3) { transition-delay: 220ms; } .case.is-on > :nth-child(4) { transition-delay: 280ms; }
.case.is-on > :nth-child(5) { transition-delay: 340ms; } .case.is-on > :nth-child(6) { transition-delay: 400ms; }
.case h3 { font-size: clamp(1.5rem, min(2.7vw, 4.8vh), 2.3rem); line-height: 1.12; letter-spacing: -0.02em; margin-bottom: 12px; }
.case-lead { color: var(--body-d); font-size: 1.04rem; margin-bottom: 18px; }
.case ul { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 10px; }
.case li { padding-left: 24px; position: relative; color: #E6ECF5; font-size: 15px; line-height: 1.6; }
.case li::before { content: ""; position: absolute; left: 0; top: .52em; width: 9px; height: 10px; background: var(--azure); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; }
.chips span { font: 400 11px var(--mono); padding: 5px 11px; border-radius: 99px; border: 1px solid var(--ink-line); color: var(--body-d); background: rgba(12,28,55,.5); }
.proof { display: flex; flex-wrap: wrap; gap: 14px 30px; align-items: center; padding: 14px 18px; border-radius: 14px; border: 1px solid var(--ink-line); background: rgba(12,28,55,.7); margin-bottom: 18px; }
.proof-tag { margin: 0; font: 400 10px var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--cap); display: flex; align-items: center; gap: 8px; }
.proof-tag i { width: 7px; height: 7px; border-radius: 50%; background: var(--aqua); animation: ping 2s infinite; }
.proof b { display: block; font: 600 1.35rem/1.1 var(--disp); white-space: nowrap; }
.proof span { font-size: 12.5px; color: var(--body-d); }
.hx-pager { grid-area: 2 / 1; display: flex; align-items: center; gap: 16px; margin-top: 26px; font: 400 11px var(--mono); letter-spacing: .2em; color: var(--cap); }
.hx-pager b { color: #fff; font-weight: 400; }
.hx-pager button { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--ink-line); font-size: 17px; transition: background 120ms, border-color 120ms; }
.hx-pager button:hover { background: var(--blue); border-color: var(--blue); }

/* ==========================================================================
   DELIVER (tabbed sheet)
   ========================================================================== */
.dv-tabs { position: relative; display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 5px; background: var(--mist); border: 1px solid var(--hair); border-radius: 99px; margin-bottom: clamp(30px, 4vw, 50px); max-width: 100%; }
.dv-tabs button { position: relative; z-index: 1; padding: 11px 20px; border-radius: 99px; font-size: 14.5px; font-weight: 500; color: var(--graphite); transition: color 200ms; white-space: nowrap; }
.dv-tabs button[aria-selected="true"] { color: #fff; }
.dv-ink { position: absolute; top: 5px; left: 0; height: calc(100% - 10px); border-radius: 99px; background: var(--ink); transition: transform 500ms var(--ease), width 500ms var(--ease); width: 0; }
.dv-panels { display: grid; }
.dv-panel { grid-area: 1 / 1; visibility: hidden; opacity: 0; transition: opacity 200ms, visibility 0s 200ms; }
.dv-panel.is-on { visibility: visible; opacity: 1; transition: opacity 300ms 100ms; }
.dv-head { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(20px, 4vw, 70px); align-items: end; margin-bottom: clamp(30px, 4vw, 54px); }
.dv-head p { color: var(--graphite); margin: 0; }
.dv-panel .steps > li, .dv-panel .std, .dv-panel .stack-col, .dv-panel .adv { opacity: 0; transform: translateY(18px); transition: opacity 400ms var(--ease), transform 700ms var(--ease); transition-delay: 0ms; }
.dv-panel.is-on .steps > li, .dv-panel.is-on .std, .dv-panel.is-on .stack-col, .dv-panel.is-on .adv { opacity: 1; transform: none; transition-delay: calc(140ms + var(--i, 0) * 60ms); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative; }
.steps::before, .steps::after { content: ""; position: absolute; left: 9px; right: 9px; top: 9px; height: 1px; background: var(--hair); }
.steps::after { background: var(--blue); transform-origin: left; transform: scaleX(0); transition: transform 1400ms var(--ease) 300ms; }
.dv-panel.is-on.seen .steps::after { transform: scaleX(1); }
.steps li { padding-top: 40px; position: relative; }
.steps li::before { content: ""; position: absolute; top: 0; left: 0; width: 19px; height: 19px; border-radius: 50%; background: var(--blue); border: 4px solid #fff; box-shadow: 0 0 0 1px var(--blue); z-index: 1; }
.sn { font: 400 11px var(--mono); letter-spacing: .2em; color: var(--blue); }
.steps h3 { font-size: 19px; margin: 8px 0; }
.steps p { color: var(--graphite); font-size: 14px; line-height: 1.55; margin-bottom: 12px; }
.steps em { font: 400 10.5px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink); background: var(--mist); padding: 5px 9px; border-radius: 7px; display: inline-block; }
.std-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--hair); }
.std { padding: 26px 26px 26px 0; border-bottom: 1px solid var(--hair); }
.std:not(:nth-child(3n+1)) { padding-left: 26px; border-left: 1px solid var(--hair); }
.hexo { display: block; width: 22px; height: 25px; margin-bottom: 16px; background: var(--ink); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); position: relative; }
.hexo::after { content: ""; position: absolute; inset: 1.5px; background: #fff; clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.std h3 { font-size: 17.5px; margin-bottom: 8px; }
.std p { color: var(--graphite); margin: 0; font-size: 14.5px; }
.stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stack-col { padding: 24px 22px; border: 1px solid var(--hair); border-radius: 14px; }
.stack-col h3 { font-size: 17px; margin-bottom: 12px; }
.stack-col ul { list-style: none; margin: 0; padding: 0; }
.stack-col li { padding: 9px 0; border-top: 1px solid var(--hair); color: var(--graphite); font-size: 14.5px; }
.stack-new { background: var(--ink); border-color: var(--ink); color: #fff; }
.stack-new li { border-color: var(--ink-line); color: var(--body-d); }
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.adv { padding: 26px 22px; background: var(--mist); border: 1px solid var(--hair); border-radius: 16px; }
.adv span { font: 400 11px var(--mono); letter-spacing: .2em; color: var(--blue); display: block; margin-bottom: 30px; }
.adv h3 { font-size: 18px; margin-bottom: 10px; }
.adv p { color: var(--graphite); margin: 0; font-size: 14.5px; line-height: 1.6; }

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact { padding: clamp(90px, 14vh, 150px) 0 0; position: relative; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(36px, 6vw, 90px); align-items: center; }
.contact-mark { width: clamp(110px, 21vh, 190px); aspect-ratio: 312 / 356; margin: 0 0 30px -6px; }
.contact-dl { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 34px 0 0; padding-top: 24px; border-top: 1px solid var(--ink-line); }
.contact-dl dt { font: 400 10.5px var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--cap); margin-bottom: 6px; }
.contact-dl dd { margin: 0; font-size: 1.08rem; }
.contact-dl a { border-bottom: 1px solid var(--ink-line); transition: border-color 120ms; }
.contact-dl a:hover { border-color: #fff; }
.form { padding: clamp(22px, 3vw, 38px); display: grid; gap: 14px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { display: grid; gap: 7px; font-size: 13px; color: var(--body-d); }
.form input, .form select, .form textarea { width: 100%; font: inherit; font-size: 16px; color: #fff; background: var(--ink); border: 1px solid var(--ink-line); border-radius: 10px; padding: 12px 14px; transition: border-color 120ms, box-shadow 120ms; }
.form textarea { resize: vertical; min-height: 110px; }
.form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, #fff 50%), linear-gradient(135deg, #fff 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.form select option { color: var(--ink); background: #fff; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--azure); box-shadow: 0 0 0 3px rgba(61,134,232,.35); }
.form .invalid { border-color: #E07A5F !important; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 0; min-height: 1.4em; font-size: 14px; color: var(--body-d); }
.form-status.ok { color: #fff; } .form-status.err { color: #F2A48F; }
.form button[disabled] { opacity: .6; pointer-events: none; }
.footer { margin-top: clamp(70px, 10vh, 120px); border-top: 1px solid var(--ink-line); padding: 22px 0; font-size: 13.5px; color: var(--cap); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer img { width: 140px; }
.footer p { margin: 0; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 420ms var(--ease), transform 800ms var(--ease); transition-delay: var(--d, 0ms); }
.reveal.in { opacity: 1; transform: none; }
.tilt.in { transition: opacity 420ms var(--ease), transform 250ms ease-out; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1240px) {
  .rail { display: none; }
  .op-mhead { display: flex; }
  .op-console { grid-template-columns: 1fr 1fr; }
  .op-stage { grid-column: 1 / -1; order: -1; position: relative; top: auto; height: clamp(380px, 62vh, 600px); }
  .op-details { grid-template-columns: 1fr 1fr; }
  .op-why { grid-column: 1 / -1; }
  .why-grid { grid-template-columns: repeat(4, 1fr); }
  .adv-grid, .stack-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; z-index: 2; }
  .nav-links { position: fixed; inset: 0; flex-direction: column; justify-content: center; gap: 26px; font-size: 21px; background: var(--ink); color: #fff; opacity: 0; visibility: hidden; transition: opacity 300ms, visibility 0s 300ms; }
  .nav-links.open { opacity: 1; visibility: visible; transition: opacity 300ms; }
  .nav-links .btn { font-size: 16px; }
  .nav.menu-open { color: #fff; }
  .nav.menu-open .logo-dark { opacity: 1; } .nav.menu-open .logo-light { opacity: 0; }
  .nav-logo { width: 128px; height: 44px; }

  .hero { padding: 84px 0 40px; }
  .hero-in { grid-template-columns: 1fr; gap: 22px; }
  .hero-mark { order: -1; width: min(44vw, 30vh, 190px); justify-self: start; }
  .hero-foot { display: none; }
  .idea { padding: 4vh 0 10vh; }

  .op-console { grid-template-columns: 1fr; }
  .op-stage { height: auto; min-height: 0; padding-top: 380px; }
  .op-world { top: 200px; }
  .op-meter { position: relative; margin-top: 8px; }
  .op-meter div { padding: 10px; }
  .op-meter b { font-size: 1.02rem; }
  .op-meter span { font-size: 8.5px; letter-spacing: .08em; }
  .op-details { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }

  .about-grid, .contact-grid, .record-head, .dv-head { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--hair); }

  .hx { grid-template-columns: 1fr; }
  .hx-dial { width: min(76vw, 340px); }
  .hx-tabs { flex-wrap: nowrap; overflow-x: auto; margin-inline: -28px; padding-inline: 28px; scrollbar-width: none; }
  .hx-tabs::-webkit-scrollbar { display: none; }
  .hx-tabs button { flex: none; }

  .dv-tabs { border-radius: 18px; display: flex; }
  .dv-tabs button { flex: 1 1 40%; padding: 10px 8px; font-size: 13.5px; }
  .dv-ink { display: none; }
  .dv-tabs button[aria-selected="true"] { background: var(--ink); }
  .steps { grid-template-columns: 1fr; gap: 0; }
  .steps::before, .steps::after { left: 9px; right: auto; top: 9px; bottom: 30px; width: 1px; height: auto; }
  .steps::after { transform: scaleY(0); transform-origin: top; }
  .dv-panel.is-on.seen .steps::after { transform: scaleY(1); }
  .steps li { padding: 0 0 22px 40px; }
  .std-grid { grid-template-columns: 1fr; }
  .std, .std:not(:nth-child(3n+1)) { padding: 20px 0; border-left: 0; }
  .adv-grid, .stack-grid { grid-template-columns: 1fr; }
  .adv span { margin-bottom: 14px; }
  .footer-inner { flex-direction: column; }
}
@media (max-width: 560px) {
  .wrap, .hero-in, .idea { width: calc(100% - 40px); }
  .hx-tabs { margin-inline: -20px; padding-inline: 20px; }
  .why { padding: 16px; }
  .why span { margin-bottom: 12px; }
  .form .row, .contact-dl { grid-template-columns: 1fr; }
  .sheet { margin: 0 6px; }
}

/* Reduced motion: movement becomes a 200ms opacity fade */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 200ms !important; transition-property: opacity, background-color, color, border-color !important; }
  .reveal, .hero-title .w > span, .case > *, .dv-panel * { transform: none !important; }
  .mk-node { transform: none; }
  .mk-edge, .mk-outline { stroke-dashoffset: 0 !important; }
  .idea-text .w { color: #fff; }
  .rack { transform: none !important; }
}