/* Optical Cloud — marketing site
   Brand: navy + gold. Blue-violet is LIGHT only (glows, glass, focus), never a brand fill.
   Type: Manrope (the product's own face) · Instrument Serif italic for the one accent phrase · Plex Mono for readings. */

:root{
  --ink:#0A1228; --ink2:#111A3A; --navy:#1B2A4A; --navy2:#26386A;
  --gold:#C9A84C; --gold2:#E8C96A; --gold-ink:#7A6122;
  --violet:#6D5EFC; --violet2:#8B7BFF; --sky:#5B8CFF;
  --paper:#F6F7FB; --paper2:#EEF1F8; --white:#FFFFFF;
  --text:#0E1526; --muted:#566079; --faint:#8A93A8; --line:#DDE2EE;
  --light-text:#EEF1FB; --light-muted:#A9B2CC; --light-line:rgba(255,255,255,.12);
  --r-lg:28px; --r-md:18px; --r-sm:12px;
  --shadow-dev:0 50px 120px -30px rgba(27,42,74,.45),0 18px 40px -18px rgba(27,42,74,.35);
  --ease:cubic-bezier(.2,.7,.1,1);
  --wrap:1200px; --gut:clamp(16px,4vw,40px);
  color-scheme:light;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--text);font-family:Manrope,-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--violet2);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gut)}
em{font-family:"Instrument Serif",Georgia,serif;font-style:italic;font-weight:400;letter-spacing:-.005em}

/* ── type ── */
.eyebrow{font-size:12.5px;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:var(--navy2);display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:28px;height:1.5px;background:linear-gradient(90deg,var(--gold),rgba(201,168,76,0))}
.eyebrow.gold{color:var(--gold2)}
.display{font-size:clamp(46px,7.4vw,104px);line-height:.98;font-weight:800;letter-spacing:-.045em;color:var(--navy);text-wrap:balance}
.display em{color:var(--gold-ink);font-size:1.06em}
.h2{font-size:clamp(34px,4.8vw,64px);line-height:1.04;font-weight:800;letter-spacing:-.038em;color:var(--navy);margin-top:18px;max-width:16ch;text-wrap:balance}
.h2 em{color:var(--gold-ink);font-size:1.07em}
.h2.light{color:#fff} .h2.light em{color:var(--gold2)}
.h3{font-size:clamp(24px,2.6vw,34px);line-height:1.15;font-weight:800;letter-spacing:-.025em;color:var(--navy);text-wrap:balance}
.lede{font-size:clamp(17px,1.5vw,20px);line-height:1.6;color:var(--muted);max-width:58ch;margin-top:22px}
.lede.light{color:var(--light-muted)}

/* ── buttons ── */
.btn{display:inline-flex;align-items:center;gap:10px;height:54px;padding:0 26px;border-radius:999px;font-weight:800;font-size:16px;letter-spacing:-.005em;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s}
.btn i{font-style:normal;transition:transform .35s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn-gold{background:linear-gradient(180deg,#F0D27A,#D6B456 55%,#C9A84C);color:#1A1405;box-shadow:0 10px 30px -8px rgba(201,168,76,.65),inset 0 1px 0 rgba(255,255,255,.6)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 40px -10px rgba(201,168,76,.75),inset 0 1px 0 rgba(255,255,255,.6)}
.btn-ghost{color:var(--navy);background:rgba(255,255,255,.65);box-shadow:inset 0 0 0 1px var(--line);backdrop-filter:blur(10px)}
.btn-ghost:hover{background:#fff;transform:translateY(-2px)}
.btn-ink{background:var(--navy);color:#fff}
.btn-ink:hover{background:var(--ink)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%;justify-content:center}
.play-dot{width:22px;height:22px;border-radius:50%;background:var(--navy);position:relative;flex:none}
.play-dot::after{content:"";position:absolute;left:8.5px;top:6.5px;border-left:7px solid #fff;border-top:4.5px solid transparent;border-bottom:4.5px solid transparent}

/* ── nav ── */
.nav{position:fixed;inset:0 0 auto;z-index:50;padding-top:env(safe-area-inset-top,0px);transition:background .4s,box-shadow .4s,backdrop-filter .4s}
.nav.solid{background:rgba(246,247,251,.72);backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px);box-shadow:0 1px 0 rgba(27,42,74,.08)}
.nav.on-dark{background:rgba(10,18,40,.6);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav.on-dark .links a,.nav.on-dark .brand-t b{color:#fff}
.nav.on-dark .lang{background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.nav.on-dark .lang button{color:#cfd5ea} .nav.on-dark .lang button[aria-pressed="true"]{background:#fff;color:var(--navy)}
.nav-in{max-width:1320px;margin:0 auto;padding:14px var(--gut);display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px}
.orb{width:30px;height:30px;border-radius:50%;position:relative;flex:none;background:conic-gradient(from 210deg,#8b7bff,#5b8cff,#6d5efc,#a78bff,#8b7bff);box-shadow:0 4px 16px rgba(109,94,252,.45),inset 0 0 0 2px rgba(255,255,255,.2)}
.orb::after{content:"";position:absolute;inset:7px;border-radius:50%;background:radial-gradient(circle at 38% 34%,rgba(255,255,255,.65),rgba(255,255,255,0) 60%),rgba(30,26,80,.55)}
.brand-t b{font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--navy)}
.links{display:flex;gap:26px;margin-left:12px}
.links a{font-size:14.5px;font-weight:700;color:var(--muted);transition:color .25s}
.links a:hover{color:var(--navy)}
.nav-r{margin-left:auto;display:flex;align-items:center;gap:14px}
.lang{display:flex;padding:3px;border-radius:999px;background:rgba(255,255,255,.7);box-shadow:inset 0 0 0 1px var(--line)}
.lang button{font-size:12.5px;font-weight:800;letter-spacing:.06em;padding:6px 11px;border-radius:999px;color:var(--muted)}
.lang button[aria-pressed="true"]{background:var(--navy);color:#fff}

/* ── hero ── */
.hero{position:relative;padding-top:clamp(120px,15vh,170px);overflow:hidden;background:radial-gradient(1200px 620px at 78% 18%,rgba(139,123,255,.20),rgba(139,123,255,0) 60%),radial-gradient(900px 560px at 8% 0%,rgba(91,140,255,.12),rgba(91,140,255,0) 60%),var(--paper)}
.hero-light{position:absolute;left:50%;top:52%;width:1500px;height:900px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(109,94,252,.28),rgba(109,94,252,0));filter:blur(10px);pointer-events:none}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(27,42,74,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(27,42,74,.05) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(ellipse 70% 55% at 50% 30%,#000 20%,transparent 75%);pointer-events:none}
.hero-copy{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center}
.hero-copy .eyebrow{justify-content:center}
.hero-copy .eyebrow::after{content:"";width:28px;height:1.5px;background:linear-gradient(270deg,var(--gold),rgba(201,168,76,0))}
.hero-copy .display{margin-top:22px}
.hero-copy .lede{text-align:center}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px;justify-content:center}
.micro{margin-top:16px;font-size:13.5px;color:var(--faint)}
.micro.alt{margin-top:8px}.micro.alt a{color:var(--navy2);font-weight:700;border-bottom:1px solid rgba(27,42,74,.25)}.micro.alt a:hover{color:var(--gold-ink);border-color:var(--gold)}
.btn-dark{background:rgba(255,255,255,.08);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}.btn-dark:hover{background:rgba(255,255,255,.14)}
.stage{position:relative;max-width:1180px;margin:clamp(48px,7vw,80px) auto 0;padding:0 var(--gut);perspective:2200px}
.device{position:relative;border-radius:var(--r-lg);background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,255,255,.55));padding:10px;box-shadow:var(--shadow-dev),inset 0 0 0 1px rgba(255,255,255,.9);backdrop-filter:blur(20px)}
.device::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(140deg,rgba(139,123,255,.55),rgba(255,255,255,.4) 40%,rgba(201,168,76,.35));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
#device{transform-origin:50% 0;transform:rotateX(18deg) scale(.94);transition:transform .1s linear;will-change:transform}
.device-bar{display:flex;align-items:center;gap:7px;height:30px;padding:0 10px}
.device-bar i{width:10px;height:10px;border-radius:50%;background:#D7DCE8}
.device-bar i:first-child{background:#F0B4AE} .device-bar i:nth-child(2){background:#F2D9A2} .device-bar i:nth-child(3){background:#B8DDC1}
.device-bar span{margin-left:12px;font:500 12.5px "IBM Plex Mono",ui-monospace,monospace;color:var(--faint);letter-spacing:.01em}
.device-screen{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:#E9EDF6}
.device-screen video{width:100%;height:100%;object-fit:cover}
.chip{position:absolute;z-index:3;display:flex;flex-direction:column;gap:2px;padding:14px 18px;border-radius:16px;background:rgba(255,255,255,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 20px 50px -18px rgba(27,42,74,.45),inset 0 0 0 1px rgba(255,255,255,.9);font-size:13px;color:var(--muted);animation:float 7s ease-in-out infinite}
.chip b{font:800 22px Manrope,sans-serif;color:var(--navy);letter-spacing:-.02em}
.chip-k{font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-ink)}
.chip-s{font-family:"IBM Plex Mono",monospace;font-size:12px}
.chip-a{left:-10px;top:24%}
.chip-b{right:-14px;top:12%;animation-delay:-2.5s}
.chip-c{flex-direction:row;align-items:center;gap:10px;right:6%;bottom:-26px;max-width:420px;font-weight:700;color:var(--navy);animation-delay:-4.5s}
.dot-live{width:9px;height:9px;border-radius:50%;background:#E25B4B;box-shadow:0 0 0 5px rgba(226,91,75,.15);flex:none}
@keyframes float{50%{transform:translateY(-8px)}}


/* ── day (pinned) ── */
.day{padding:clamp(130px,14vw,200px) 0 clamp(120px,12vw,180px)}
.day-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:clamp(30px,5vw,80px);margin-top:clamp(40px,6vw,80px);align-items:start}
.steps{list-style:none;display:flex;flex-direction:column}
.step{min-height:62vh;padding:28px 0 28px 28px;border-left:2px solid var(--line);position:relative;transition:border-color .5s}
.step::before{content:"";position:absolute;left:-7px;top:36px;width:12px;height:12px;border-radius:50%;background:var(--paper);box-shadow:inset 0 0 0 2px var(--line);transition:all .5s var(--ease)}
.step .t{font:500 14px "IBM Plex Mono",monospace;color:var(--faint);letter-spacing:.04em}
.step h3{margin-top:10px;font-size:clamp(24px,2.4vw,32px);line-height:1.15;font-weight:800;letter-spacing:-.025em;color:var(--faint);transition:color .5s}
.step p{margin-top:12px;color:var(--faint);max-width:44ch;transition:color .5s}
.step.is-on{border-color:var(--gold)}
.step.is-on::before{background:var(--gold);box-shadow:0 0 0 6px rgba(201,168,76,.18)}
.step.is-on .t{color:var(--gold-ink)} .step.is-on h3{color:var(--navy)} .step.is-on p{color:var(--muted)}
.day-stage{position:sticky;top:max(110px,calc(50vh - 260px))}
.day-screens .dv{position:absolute;inset:0;opacity:0;transform:scale(1.02);transition:opacity .7s var(--ease),transform 1.2s var(--ease)}
.day-screens .dv.is-on{opacity:1;transform:none}
.day-progress{height:3px;border-radius:3px;background:var(--line);margin:18px 10px 0;overflow:hidden}
.day-progress span{display:block;height:100%;width:16%;background:linear-gradient(90deg,var(--gold),var(--gold2));transition:width .6s var(--ease)}

/* ── dark sections ── */
.dark{background:radial-gradient(1100px 600px at 80% 0%,rgba(109,94,252,.22),rgba(109,94,252,0) 60%),linear-gradient(180deg,var(--ink) 0%,#0C1533 100%);color:var(--light-text);position:relative;overflow:hidden}
.lens{padding:clamp(110px,13vw,180px) 0}
.lens-glow{position:absolute;width:900px;height:900px;left:-300px;bottom:-400px;border-radius:50%;background:radial-gradient(closest-side,rgba(91,140,255,.18),rgba(91,140,255,0))}
.lens-bento{display:grid;grid-template-columns:1.6fr 1fr;grid-template-rows:auto auto;gap:18px;margin-top:clamp(44px,6vw,72px)}
.tile{position:relative;border-radius:var(--r-lg);overflow:hidden;background:#0E1838;box-shadow:inset 0 0 0 1px var(--light-line),0 40px 80px -40px rgba(0,0,0,.6)}
.tile video{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.tile-xl{grid-row:span 2}
.tile-xl video{aspect-ratio:auto;height:100%}
.tile figcaption{position:absolute;left:0;right:0;bottom:0;padding:60px 24px 22px;background:linear-gradient(0deg,rgba(6,10,26,.92),rgba(6,10,26,0));display:flex;flex-direction:column;gap:4px}
.tile figcaption b{font-size:18px;font-weight:800;color:#fff;letter-spacing:-.01em}
.tile figcaption span{font-size:14px;color:var(--light-muted);max-width:48ch}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:clamp(44px,6vw,72px);border-top:1px solid var(--light-line);padding-top:36px}
.facts b{font:800 clamp(44px,5vw,64px)/1 Manrope,sans-serif;letter-spacing:-.04em;background:linear-gradient(180deg,#fff,#B9C2E6);-webkit-background-clip:text;background-clip:text;color:transparent}
.facts span{display:block;margin-top:10px;color:var(--light-muted);font-size:15px;max-width:30ch}
.glow-card{--mx:50%;--my:50%}
.glow-card::after{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(500px circle at var(--mx) var(--my),rgba(139,123,255,.18),transparent 40%);opacity:0;transition:opacity .4s;pointer-events:none}
.glow-card:hover::after{opacity:1}

/* ── cinematic ── */
.cine{position:relative;height:min(92vh,900px);min-height:560px;overflow:hidden;background:#5d6a85;display:flex;align-items:flex-end}
.cine-v{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.08);will-change:transform}
.cine-shade{position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,13,32,.86) 0%,rgba(8,13,32,.35) 45%,rgba(8,13,32,0) 70%)}
.cine-copy{position:relative;padding-bottom:clamp(50px,7vw,90px);width:100%}
.cine-copy .h2{max-width:20ch}
.tryon{padding:clamp(80px,10vw,140px) 0;background:var(--paper)}
.tryon-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(30px,5vw,80px);align-items:center}
.tryon-copy p{margin-top:18px;color:var(--muted);max-width:50ch}
.frames-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px 26px;margin-top:40px}
.frames-row img{width:100%;height:56px;object-fit:contain;filter:drop-shadow(0 10px 14px rgba(27,42,74,.18));transition:transform .5s var(--ease)}
.frames-row img:hover{transform:translateY(-6px) rotate(-2deg) scale(1.06)}
.tilt{transform:perspective(1800px) rotateY(-9deg) rotateX(3deg);transition:transform .8s var(--ease)}
.tilt:hover{transform:perspective(1800px) rotateY(-3deg) rotateX(1deg)}
.tilt-r{transform:perspective(1800px) rotateY(9deg) rotateX(3deg);transition:transform .8s var(--ease)}
.tilt-r:hover{transform:perspective(1800px) rotateY(3deg) rotateX(1deg)}

/* ── lab bento ── */
.lab{padding:clamp(100px,12vw,170px) 0;background:linear-gradient(180deg,var(--paper),var(--paper2))}
.lab-bento{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:clamp(40px,6vw,72px)}
.card{position:relative;border-radius:var(--r-lg);background:#fff;overflow:hidden;box-shadow:0 1px 0 rgba(27,42,74,.04),0 30px 60px -36px rgba(27,42,74,.35);display:flex;flex-direction:column}
.card.span-2{grid-column:span 2}
.card.span-2:not(.card-quote){flex-direction:row}
.card.span-2 .card-media{flex:1.5}
.card.span-2 .card-t{flex:1;align-self:center}
.card-media{background:#E9EDF6;overflow:hidden}
.card-media video{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 1.2s var(--ease)}
.card:hover .card-media video{transform:scale(1.025)}
.card-t{padding:26px 28px 30px}
.card-t b{font-size:21px;font-weight:800;letter-spacing:-.02em;color:var(--navy)}
.card-t p{margin-top:8px;color:var(--muted);font-size:15.5px}
.card-quote{background:var(--navy);padding:clamp(34px,5vw,60px);justify-content:center;background:radial-gradient(700px 300px at 85% 0%,rgba(139,123,255,.30),rgba(139,123,255,0) 60%),var(--navy)}
.pull{font-family:"Instrument Serif",Georgia,serif;font-size:clamp(26px,3vw,40px);line-height:1.2;color:#fff;max-width:36ch}
.pull-by{margin-top:18px;font-size:13px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--gold2)}

/* ── business ── */
.biz{padding:clamp(90px,11vw,160px) 0;background:var(--paper2);overflow:hidden}
.biz-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(30px,5vw,80px);align-items:center}
.ticks{list-style:none;margin-top:30px;display:flex;flex-direction:column;gap:14px}
.ticks li{position:relative;padding-left:32px;color:var(--muted)}
.ticks li::before{content:"";position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;background:radial-gradient(circle at 50% 50%,var(--gold) 0 4px,transparent 5px),rgba(201,168,76,.16)}

/* ── trust ── */
.trust{padding:clamp(100px,12vw,170px) 0;background:var(--paper)}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:clamp(40px,6vw,72px);border-top:1px solid var(--line)}
.tcell{padding:34px 30px 38px 0;border-bottom:1px solid var(--line)}
.tcell:not(:nth-child(3n+1)){padding-left:30px;border-left:1px solid var(--line)}
.ti{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:linear-gradient(160deg,var(--navy2),var(--navy));box-shadow:0 10px 24px -12px rgba(27,42,74,.6),inset 0 1px 0 rgba(255,255,255,.12)}
.ti svg{width:22px;height:22px;fill:none;stroke:var(--gold2);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tcell b{display:block;margin-top:18px;font-size:19px;font-weight:800;letter-spacing:-.015em;color:var(--navy)}
.tcell p{margin-top:8px;color:var(--muted);font-size:15.5px;max-width:34ch}

/* ── film ── */
.film{padding:0 0 clamp(100px,12vw,160px);background:var(--paper)}
.film-card{position:relative;display:block;width:100%;border-radius:var(--r-lg);overflow:hidden;text-align:left;box-shadow:var(--shadow-dev);aspect-ratio:21/9;min-height:320px}
.film-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease)}
.film-card:hover img{transform:scale(1.04)}
.film-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,13,32,.85),rgba(8,13,32,.15) 70%)}
.film-play{position:absolute;left:50%;top:50%;width:92px;height:92px;margin:-46px 0 0 -46px;border-radius:50%;background:rgba(255,255,255,.18);backdrop-filter:blur(12px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.5);transition:transform .5s var(--ease),background .4s}
.film-play::after{content:"";position:absolute;left:37px;top:30px;border-left:24px solid #fff;border-top:16px solid transparent;border-bottom:16px solid transparent}
.film-card:hover .film-play{transform:scale(1.08);background:rgba(201,168,76,.85)}
.film-t{position:absolute;left:clamp(24px,4vw,56px);bottom:clamp(24px,4vw,50px);display:flex;flex-direction:column;gap:6px;max-width:40ch}
.film-t b{font-size:clamp(24px,3vw,38px);font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1.1}
.film-t span{color:#C9D0E6;font-size:15.5px}
.film-dlg{border:0;padding:0;background:transparent;max-width:min(1200px,94vw);width:100%;margin:auto}
.film-dlg::backdrop{background:rgba(6,10,26,.86);backdrop-filter:blur(8px)}
.film-dlg video{width:100%;border-radius:18px;background:#000;box-shadow:0 40px 120px rgba(0,0,0,.6)}
.film-x{position:absolute;right:-6px;top:-50px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:16px}

/* ── CTA ── */
.cta{padding:clamp(100px,12vw,170px) 0}
.cta-glow{position:absolute;right:-200px;top:-200px;width:900px;height:900px;border-radius:50%;background:radial-gradient(closest-side,rgba(201,168,76,.14),rgba(201,168,76,0))}
.cta-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(30px,6vw,90px);align-items:start}
.cta .cta-row{justify-content:flex-start}
.contact{display:flex;gap:40px;flex-wrap:wrap;margin-top:44px;padding-top:28px;border-top:1px solid var(--light-line)}
.contact dt{font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--light-muted)}
.contact dd{margin-top:6px;font-size:18px;font-weight:700;color:#fff}
.contact a:hover{color:var(--gold2)}
.form{background:rgba(255,255,255,.05);border-radius:var(--r-lg);padding:clamp(24px,3vw,36px);box-shadow:inset 0 0 0 1px var(--light-line);backdrop-filter:blur(12px);display:flex;flex-direction:column;gap:16px}
.form h3{font-size:22px;font-weight:800;letter-spacing:-.02em;color:#fff}
.form label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:700;color:var(--light-muted)}
.form input,.form textarea{font:inherit;font-size:16px;color:#fff;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:13px 14px;transition:border-color .3s,background .3s;resize:vertical}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--violet2);background:rgba(255,255,255,.09)}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:13px;color:var(--light-muted);text-align:center}

/* ── footer ── */
.foot{background:var(--ink);color:var(--light-muted)}
.foot .brand-t b{color:#fff}
.foot a:hover{color:var(--gold2)}

/* ── premium pass ── */
.ln{display:block;overflow:hidden;padding:.04em .12em .28em;margin:-.04em -.12em -.28em}
.ln>*{display:inline-block;animation:rise 1.2s var(--ease) both}
.ln:nth-child(2)>*{animation-delay:.14s}
@keyframes rise{from{transform:translateY(105%)}to{transform:none}}
.display em{background:linear-gradient(100deg,#7A6122 0%,#B8933A 32%,#F3DC8E 48%,#C9A84C 60%,#7A6122 100%);background-size:260% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sheen 7s ease-in-out 1.2s infinite;padding-right:.08em}
@keyframes sheen{0%,100%{background-position:100% 0}50%{background-position:0 0}}
.hero-copy .lede,.hero-copy .cta-row,.hero-copy .micro,.hero-copy .eyebrow{animation:fadeup 1.1s var(--ease) both}
.hero-copy .eyebrow{animation-delay:0s}.hero-copy .lede{animation-delay:.35s}.hero-copy .cta-row{animation-delay:.48s}.hero-copy .micro{animation-delay:.6s}
.stage{animation:fadeup 1.4s var(--ease) .5s both}
@keyframes fadeup{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.sheen{position:absolute;inset:10px;border-radius:18px;pointer-events:none;z-index:2;background:linear-gradient(115deg,rgba(255,255,255,0) 38%,rgba(255,255,255,.42) 47%,rgba(255,255,255,0) 56%);background-size:260% 100%;background-position:100% 0;mix-blend-mode:soft-light}
.nav{transition:background .4s,box-shadow .4s,transform .5s var(--ease)}
.nav.hide{transform:translateY(-110%)}
.links a{position:relative}
.links a.on{color:var(--navy)}
.links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1.5px;background:var(--gold);transform:scaleX(0);transition:transform .45s var(--ease)}
.links a.on::after{transform:scaleX(1)}
.nav.on-dark .links a.on{color:#fff}
.sheet{border-radius:48px 48px 0 0;margin-top:-48px;z-index:1}
.dark::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.07;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
.dark>*{position:relative}
.dark>.lens-glow,.dark>.cta-glow{position:absolute}
.film{padding-bottom:clamp(150px,16vw,220px)}
.h3.light{color:#fff}.h3.light em{color:var(--gold2)}
.h3 em{color:var(--gold-ink)}
/* thickness tool */
.thick{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(28px,5vw,70px);align-items:center;margin-top:clamp(60px,8vw,110px);padding:clamp(28px,4vw,52px);border-radius:var(--r-lg);background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));box-shadow:inset 0 0 0 1px var(--light-line)}
.thick .h3{margin-top:14px}
.thick-note{margin-top:14px;color:var(--light-muted);font-size:14.5px;max-width:42ch}
.rx{display:flex;justify-content:space-between;align-items:baseline;margin-top:30px;font-size:13px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--light-muted)}
.rx output{font:500 26px "IBM Plex Mono",monospace;letter-spacing:-.01em;color:#fff;text-transform:none}
#rx-in{-webkit-appearance:none;appearance:none;width:100%;height:28px;background:transparent;margin-top:8px;cursor:pointer}
#rx-in::-webkit-slider-runnable-track{height:4px;border-radius:4px;background:linear-gradient(90deg,#5B8CFF,#8B7BFF 55%,#E8C96A)}
#rx-in::-moz-range-track{height:4px;border-radius:4px;background:linear-gradient(90deg,#5B8CFF,#8B7BFF 55%,#E8C96A)}
#rx-in::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;margin-top:-10px;border-radius:50%;background:#fff;box-shadow:0 0 0 6px rgba(139,123,255,.25),0 6px 16px rgba(0,0,0,.4)}
#rx-in::-moz-range-thumb{width:24px;height:24px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 6px rgba(139,123,255,.25)}
.mats{display:flex;gap:8px;margin-top:22px}
.mats button{flex:1;height:44px;border-radius:12px;font:500 15px "IBM Plex Mono",monospace;color:var(--light-muted);box-shadow:inset 0 0 0 1px var(--light-line);transition:all .3s var(--ease)}
.mats button:hover{color:#fff}
.mats button[aria-pressed="true"]{background:linear-gradient(180deg,#F0D27A,#C9A84C);color:#1A1405;box-shadow:0 8px 22px -8px rgba(201,168,76,.6)}
.thick-view svg{width:100%;height:auto;display:block}
.thick-view .axis line{stroke:rgba(255,255,255,.12);stroke-dasharray:3 6}
#lens-marks line{stroke:#E8C96A;stroke-width:1.5}
#lens-marks text{font:500 13px "IBM Plex Mono",monospace;fill:#E8C96A}
.readout{display:grid;grid-template-columns:repeat(3,1fr);margin-top:18px;border-top:1px solid var(--light-line)}
.readout div{padding-top:16px}
.readout span{display:block;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--light-muted)}
.readout b{display:block;margin-top:6px;font:500 clamp(22px,2.4vw,30px) "IBM Plex Mono",monospace;color:#fff;letter-spacing:-.02em}
.readout b.good{color:#8EE0B5}
/* footer */
.foot{padding:clamp(70px,8vw,110px) 0 0;overflow:hidden;position:relative}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot-lead p{margin-top:16px;max-width:38ch;font-size:15px;line-height:1.6}
.foot-col{display:flex;flex-direction:column;gap:11px;font-size:15px}
.foot-col b{font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:#fff;margin-bottom:6px}
.foot-col button{text-align:left;font-size:15px;color:inherit}
.foot-col a:hover,.foot-col button:hover{color:var(--gold2)}
.foot-mark{margin-top:clamp(60px,8vw,100px);font-weight:800;font-size:clamp(70px,16.5vw,300px);line-height:.78;letter-spacing:-.06em;text-align:center;white-space:nowrap;background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,0) 85%);-webkit-background-clip:text;background-clip:text;color:transparent;user-select:none}
.foot-base{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-block:22px calc(22px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--light-line);font-size:13px}
.tiltc{transition:transform .6s var(--ease),box-shadow .6s var(--ease);transform-style:preserve-3d}

/* optical line-art: the same drawing that sits behind the ERP's workspace */
.hero::before{content:"";position:absolute;inset:0;background:url(img/bg-optical.webp) right top/auto 100% no-repeat;opacity:.55;pointer-events:none;mix-blend-mode:multiply}
.hero::after{content:"";position:absolute;inset:0;background:url(img/bg-optical.webp) right top/auto 100% no-repeat;transform:scaleX(-1);opacity:.28;pointer-events:none;mix-blend-mode:multiply}
.hero>*{position:relative;z-index:1}
.hero>.hero-light,.hero>.hero-grid{position:absolute;z-index:0}
.hero-grid{opacity:.6}
.day,.lab,.trust{position:relative}
.day::before,.lab::before,.trust::before{content:"";position:absolute;width:min(900px,80vw);aspect-ratio:3/2;background:url(img/optics-lines.svg) center/contain no-repeat;opacity:.55;pointer-events:none;z-index:0}
.day::before{right:-120px;top:40px}
.lab::before{left:-160px;top:60px;transform:scaleX(-1)}
.trust::before{right:-140px;bottom:20px;opacity:.45}
.day>*,.lab>*,.trust>*{position:relative;z-index:1}

/* ── reveal ── */
.js .rv{opacity:0;transform:translateY(28px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.js .rv.in{opacity:1;transform:none}

/* ── responsive ── */
@media (max-width:1000px){
  .thick{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr 1fr}
  .sheet{border-radius:32px 32px 0 0;margin-top:-32px}
  .links{display:none}
  .day-grid,.tryon-grid,.biz-grid,.cta-grid{grid-template-columns:1fr}
  .day-stage{position:sticky;top:64px;order:-1;z-index:2;background:linear-gradient(180deg,var(--paper) 88%,rgba(246,247,251,0));padding:8px 0 22px;margin-inline:calc(var(--gut)*-1);padding-inline:var(--gut)}
  .step{min-height:auto;padding:26px 0 26px 24px}
  .steps{margin-top:26px}
  .lens-bento{grid-template-columns:1fr}
  .tile-xl{grid-row:auto} .tile-xl video{aspect-ratio:16/9}
  .card.span-2:not(.card-quote){flex-direction:column}
  .trust-grid{grid-template-columns:1fr 1fr}
  .tcell:not(:nth-child(3n+1)){padding-left:0;border-left:0}
  .tcell:nth-child(2n){padding-left:24px;border-left:1px solid var(--line)}
  .tilt,.tilt-r{transform:none}
}
@media (max-width:640px){
  .foot-top{grid-template-columns:1fr}
  .readout b{font-size:20px}
  body{font-size:16px}
  .nav-r .btn{display:none}
  .chip-a,.chip-b{display:none}
  .chip-c{position:relative;right:auto;bottom:auto;margin:18px auto 0;max-width:none;animation:none}
  .facts{grid-template-columns:1fr}
  .lab-bento{grid-template-columns:1fr}
  .card.span-2{grid-column:auto}
  .trust-grid{grid-template-columns:1fr}
  .tcell:nth-child(2n){padding-left:0;border-left:0}
  .form .two{grid-template-columns:1fr}
  .film-card{aspect-ratio:4/5}
  .day-stage{top:64px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .ln>*{transform:none}
  #device{transform:none!important}
}