/* Netroni by Visiolite · x-pix.com
   Palette sampled from the XP-Series brochure v1.0. */
:root{
  --ink:#0F1014;          /* cover / dark sections (matches the renders' backdrop) */
  --ink-2:#17181D;
  --ink-3:#22242B;
  --paper:#FFFFFF;
  --mist:#F3F4F6;         /* product-render backdrop */
  --mist-2:#E8E9ED;
  --text:#14151A;
  --muted:#5D626D;
  --muted-d:#9EA3AE;
  --line:#E2E4E9;
  --line-d:rgba(255,255,255,.11);
  --cyan:#00BBE9;
  --indigo:#6000D8;
  --indigo-hi:#7A2BFF;    /* indigo lifted for text on dark */
  --orange:#FF7800;
  --wrap:1240px;
  --gut:clamp(16px,4vw,48px);
  --r:14px;
  --ease:cubic-bezier(.2,.7,.1,1);
  --f-display:"Archivo","Arial Black",system-ui,sans-serif;
  --f-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font:400 16px/1.6 var(--f-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
b,strong{font-weight:650}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

.wrap{max-width:calc(var(--wrap) + 2*var(--gut));margin:0 auto;padding:0 var(--gut)}

/* ---------- type ---------- */
.display,.h2,.h3,.pname,.rn,.stat b,.gen h4{font-family:var(--f-display);font-stretch:125%;font-weight:800;letter-spacing:-.015em}
.display{font-size:clamp(3.1rem,9vw,8.6rem);line-height:.92;letter-spacing:-.025em}
.display-md{font-size:clamp(2.6rem,6.4vw,5.6rem);line-height:.95}
.h2{font-size:clamp(1.9rem,4.1vw,3.35rem);line-height:1.04;margin-bottom:.5em;text-wrap:balance}
.h3{font-size:clamp(1.15rem,1.7vw,1.4rem);line-height:1.15;margin-bottom:.8em}
.kicker{font:700 .74rem/1 var(--f-body);letter-spacing:.2em;text-transform:uppercase;color:var(--indigo);margin-bottom:1.3rem}
.kicker b{font-weight:800}
.dark .kicker{color:var(--cyan)}
.intro{font-size:clamp(1.02rem,1.35vw,1.17rem);line-height:1.6;color:var(--muted);max-width:52rem;text-wrap:pretty}
.dark .intro{color:var(--muted-d)}
.lead{font-size:clamp(1.05rem,1.5vw,1.28rem);line-height:1.55;color:#C9CCD4;max-width:34rem}
.tag{font:700 .7rem/1 var(--f-body);letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.dark .tag{color:var(--muted-d)}
.fine{font-size:.8rem;color:var(--muted);margin-top:2.5rem}
.dark .fine{color:var(--muted-d)}
.caption{font-size:.88rem;color:var(--muted);margin-top:.9rem;line-height:1.5}
.caption b{color:var(--text)}
.sku{font:600 .72rem/1 var(--f-body);letter-spacing:.14em;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- sections ---------- */
.sec{padding:clamp(80px,11vw,150px) 0}
.sec-flush{padding-top:0}
.dark{background:var(--ink);color:#F1F2F5}
.mist{background:var(--mist)}
.split-head{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,80px);align-items:end;margin-bottom:clamp(40px,6vw,72px)}
.split-head .h2{margin-bottom:0}
.split-head .intro{padding-bottom:.35em}

/* tri-colour bar: the brochure's signature */
.tri{display:flex;gap:6px}
.tri i{display:block;width:44px;height:4px;border-radius:1px;background:var(--cyan)}
.tri i:nth-child(2){background:var(--indigo)}
.tri i:nth-child(3){background:var(--orange)}
.tri-lg{margin:clamp(28px,4vw,44px) 0}
.tri-lg i{width:56px;height:5px}

/* ---------- buttons ---------- */
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:2rem}
.btn{display:inline-flex;align-items:center;gap:.6em;height:50px;padding:0 24px;border-radius:999px;font:600 .95rem/1 var(--f-body);text-decoration:none;transition:background .25s,color .25s,border-color .25s,transform .25s var(--ease)}
.btn:hover{transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--cyan);color:var(--ink)}
.btn-ghost{border:1px solid rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{border-color:#fff}

/* ---------- progress + nav ---------- */
.progress{position:fixed;inset:0 0 auto;height:3px;z-index:60;pointer-events:none}
.progress span{display:block;height:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--cyan),var(--indigo) 55%,var(--orange))}
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
.nav.is-solid{background:var(--ink);box-shadow:0 1px 0 var(--line-d)}
.nav-in{max-width:calc(var(--wrap) + 2*var(--gut));margin:0 auto;padding:0 var(--gut);height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-logo img{width:124px;height:auto}
.nav-links{display:flex;align-items:center;gap:clamp(14px,1.6vw,26px)}
.nav-links a{color:#C9CCD4;text-decoration:none;font-size:.88rem;font-weight:500;position:relative;padding:6px 0;transition:color .2s}
.nav-links a:hover,.nav-links a.is-active{color:#fff}
.nav-links a:not(.nav-cta)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--cyan);transform:scaleX(0);transform-origin:0 50%;transition:transform .3s var(--ease)}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links .nav-cta{color:var(--ink);background:#fff;padding:9px 16px;border-radius:999px;font-weight:600}
.nav-links .nav-cta:hover{background:var(--cyan);color:var(--ink)}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:none;padding:0;cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:11px;right:11px;height:2px;background:#fff;transition:transform .3s var(--ease)}
.nav-toggle span:first-child{top:17px}.nav-toggle span:last-child{top:25px}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;padding-top:clamp(120px,16vh,180px);overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;z-index:-1;left:50%;bottom:6%;width:min(1400px,130vw);height:70%;transform:translateX(-50%);
  background:radial-gradient(45% 55% at 30% 60%,rgba(0,187,233,.16),transparent 70%),radial-gradient(40% 50% at 72% 55%,rgba(96,0,216,.22),transparent 70%),radial-gradient(30% 40% at 55% 85%,rgba(255,120,0,.10),transparent 70%);filter:blur(10px)}
.hero-grid{display:grid;gap:clamp(24px,3vw,40px)}
.hero-side{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px 40px}
.hero-side .btns{margin-top:0}
.hero-media{margin:clamp(28px,4vw,48px) auto 0;max-width:1500px;padding:0 var(--gut)}
.hero-media img{width:100%;mix-blend-mode:lighten;-webkit-mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent),linear-gradient(#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent);-webkit-mask-composite:source-in;mask-composite:intersect}
.hero-foot{display:flex;align-items:center;gap:20px;padding-top:clamp(20px,3vw,36px);padding-bottom:clamp(28px,4vw,44px);color:var(--muted-d);font-size:.9rem}
.hero-foot p{flex:1}
.scroll-cue{display:flex;align-items:center;gap:10px;color:var(--muted-d);text-decoration:none;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase}
.scroll-cue span{width:1px;height:34px;background:linear-gradient(var(--cyan),transparent);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
.js .hero h1,.js .hero .kicker,.js .hero-side,.js .hero-media,.js .hero-foot{animation:rise 1.1s var(--ease) both}
.js .hero h1{animation-delay:.08s}.js .hero-side{animation-delay:.2s}.js .hero-media{animation-delay:.32s;animation-duration:1.5s}.js .hero-foot{animation-delay:.5s}
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- 01 system ---------- */
.mist-card{background:var(--mist);border-radius:var(--r);overflow:hidden;display:grid;place-items:center}
.panel-fig{margin:clamp(36px,5vw,64px) 0 0}
.panel-fig img{width:100%}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2.4vw,32px);margin:28px 0 clamp(56px,8vw,96px);counter-reset:f}
.flow li{border-top:3px solid var(--c);padding-top:14px}
.flow-n{display:block;font-weight:700;font-size:.92rem;margin-bottom:.35rem}
.flow p{font-size:.92rem;color:var(--muted);line-height:1.5}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(32px,4vw,56px) clamp(24px,4vw,64px)}
.feat h3{font-size:1.12rem;font-weight:700;margin-bottom:.5rem;letter-spacing:-.01em}
.feat p{color:var(--muted);font-size:.97rem}

/* ---------- 02 why ---------- */
.band{height:clamp(280px,42vw,560px);overflow:hidden;margin-bottom:clamp(64px,9vw,120px)}
.band img{width:100%;height:100%;object-fit:cover;object-position:50% 60%}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:clamp(40px,5vw,64px) 0}
.stat{padding:28px 24px 30px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-size:clamp(2.2rem,4.2vw,3.6rem);line-height:1;margin-bottom:.6rem;font-variant-numeric:tabular-nums}
.stat span{display:block;color:var(--muted);font-size:.93rem;line-height:1.45;max-width:15rem}
.benefits{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,64px) clamp(32px,6vw,96px)}
.benefit h3{display:flex;align-items:center;gap:12px;font-size:1.2rem;font-weight:700;margin-bottom:.9rem}
.benefit h3::before{content:"";width:12px;height:12px;background:var(--c);flex:none}
.benefit li,.ticks li{position:relative;padding-left:1.15em;margin-bottom:.5rem;color:var(--muted);line-height:1.5}
.benefit li::before,.ticks li::before{content:"";position:absolute;left:0;top:.66em;width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.55}
.ticks li b,.benefit li b{color:var(--text)}
.dark .ticks li{color:var(--muted-d)}.dark .ticks li b{color:#fff}

/* ---------- 03 why now ---------- */
.reasons{border-top:1px solid var(--line-d)}
.reasons li{display:grid;grid-template-columns:clamp(64px,9vw,140px) 1fr;gap:16px;padding:clamp(22px,2.6vw,32px) 0;border-bottom:1px solid var(--line-d)}
.rn{font-size:clamp(1.5rem,2.6vw,2.2rem);color:var(--cyan);line-height:1}
.reasons h3{font-size:clamp(1.05rem,1.5vw,1.3rem);font-weight:650;margin-bottom:.35rem;letter-spacing:-.01em}
.reasons p{color:var(--muted-d);max-width:44rem}
.gen-h{margin-top:clamp(64px,8vw,104px)}
.gens{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;position:relative}
.gen{background:var(--ink-2);border:1px solid var(--line-d);border-radius:var(--r);padding:28px 26px 30px;position:relative}
.gen-k{font:700 .7rem/1 var(--f-body);letter-spacing:.18em;text-transform:uppercase;color:var(--muted-d)}
.gen h4{font-size:1.45rem;margin:.9rem 0 .6rem}
.gen h4 sup{font-size:.5em}
.gen p{color:var(--muted-d);font-size:.94rem}
.gen-now{background:#fff;color:var(--ink);border-color:#fff}
.gen-now .gen-k{color:var(--indigo)}
.gen-now p{color:var(--muted)}
.gen-now::after{content:"";position:absolute;left:26px;right:26px;top:0;height:3px;background:linear-gradient(90deg,var(--cyan) 33%,var(--indigo) 33% 66%,var(--orange) 66%)}

/* ---------- 04 lighting ---------- */
.lighting{padding-top:0}
.looks{display:grid;gap:clamp(20px,2.4vw,28px);margin-top:clamp(40px,5vw,64px)}
.look{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(24px,5vw,72px);align-items:center;background:var(--ink-2);border:1px solid var(--line-d);border-radius:calc(var(--r) + 6px);padding:clamp(12px,1.4vw,16px)}
.look img{width:100%;aspect-ratio:6/5;object-fit:cover;border-radius:var(--r)}
.look > div{padding:clamp(8px,2vw,24px) clamp(8px,3vw,40px) clamp(8px,2vw,24px) 0}
.look .tag{color:var(--cyan)}
.look h3{font-family:var(--f-display);font-stretch:125%;font-weight:800;font-size:clamp(1.3rem,2.2vw,1.85rem);line-height:1.1;margin-bottom:1.1rem;letter-spacing:-.015em}
.look ul li{position:relative;padding-left:1.15em;margin-bottom:.65rem;color:var(--muted-d)}
.look ul li::before{content:"";position:absolute;left:0;top:.66em;width:5px;height:5px;border-radius:50%;background:var(--cyan)}
.look ul b{color:#fff}
.look:nth-child(2) .tag,.look:nth-child(2) ul li::before{color:var(--indigo-hi);background:none}
.look:nth-child(2) ul li::before{background:var(--indigo-hi)}
.look:nth-child(3) .tag{color:var(--orange)}
.look:nth-child(3) ul li::before{background:var(--orange)}
.aside{font-size:.88rem;color:var(--muted-d);margin-top:1rem}
.aside a{color:#fff;text-underline-offset:3px}

.dimlab{margin-top:clamp(20px,2.4vw,28px);display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(28px,5vw,72px);align-items:center;border-radius:calc(var(--r) + 6px);padding:clamp(24px,4vw,52px);background:linear-gradient(140deg,#16171d,#101116 60%);border:1px solid var(--line-d)}
.dimlab .tag{color:var(--cyan)}
.dimlab h3{font-family:var(--f-display);font-stretch:125%;font-weight:800;font-size:clamp(1.5rem,2.6vw,2.2rem);line-height:1.05;margin-bottom:1rem}
.dimlab p{color:var(--muted-d)}
.dim-label{display:flex;justify-content:space-between;align-items:baseline;margin:1.8rem 0 .7rem;font-weight:600;font-size:.9rem;color:#fff}
.dim-label output{font:800 1.5rem/1 var(--f-display);font-stretch:125%;font-variant-numeric:tabular-nums;color:var(--cyan)}
.dim-note{font-size:.82rem;margin-top:.7rem}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:28px;background:transparent;cursor:pointer;margin:0}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:linear-gradient(90deg,#2a2c34,#fff4e0)}
input[type=range]::-moz-range-track{height:4px;border-radius:2px;background:linear-gradient(90deg,#2a2c34,#fff4e0)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:4px solid var(--cyan);margin-top:-9px;box-shadow:0 0 0 6px rgba(0,187,233,.15)}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid var(--cyan);box-shadow:0 0 0 6px rgba(0,187,233,.15)}
.lamp-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lamp{background:#0a0b0e;border:1px solid var(--line-d);border-radius:var(--r);padding:28px 16px 18px;display:flex;flex-direction:column;align-items:center;gap:18px}
.bulb{--l:0;width:clamp(88px,11vw,128px);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 50% 45%,rgba(255,244,224,var(--l)) 0 38%,rgba(255,214,150,calc(var(--l)*.55)) 52%,transparent 72%);box-shadow:0 0 calc(var(--l)*90px) calc(var(--l)*20px) rgba(255,205,140,calc(var(--l)*.45)),inset 0 0 0 1px rgba(255,255,255,.07)}
.lamp figcaption{text-align:center;font-size:.85rem;color:var(--muted-d)}
.lamp figcaption b{display:block;color:#fff;font-weight:600;margin-bottom:2px}
.lamp figcaption span{font-variant-numeric:tabular-nums}
.strips{margin-top:16px}
.strips p{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-d);margin-bottom:8px}
.strip{position:relative;height:30px;border-radius:6px;margin-bottom:6px;background:#000}
.strip span{position:absolute;left:10px;top:50%;transform:translateY(-50%);font-size:.7rem;font-weight:700;letter-spacing:.08em;color:#fff;mix-blend-mode:difference}
.strip i{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--cyan);border-radius:1px;box-shadow:0 0 8px var(--cyan)}

/* ---------- 05–08 products ---------- */
#xp-series{padding-bottom:clamp(64px,9vw,120px)}
.master{margin-bottom:clamp(80px,11vw,150px)}
.master-fig{background:var(--mist);position:relative;margin-bottom:clamp(40px,5vw,64px)}
.master-fig img{margin:0 auto;width:min(700px,92%);padding:clamp(16px,3vw,40px) 0}
.master-fig figcaption{position:absolute;left:max(var(--gut),calc((100vw - var(--wrap))/2));bottom:clamp(18px,3vw,32px);display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--muted)}
.master-body{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,96px)}
.pname{font-size:clamp(2.1rem,4.4vw,3.6rem);line-height:1;margin-bottom:.7rem}
.pdesc{font-size:1.1rem;line-height:1.6;color:var(--text);margin:1.4rem 0 1.4rem}
.dot{display:inline-block;width:12px;height:12px;border-radius:50%;background:var(--d);flex:none;vertical-align:-1px}
.dot-white{box-shadow:inset 0 0 0 1px #B9BCC4}
.spec{border-top:1px solid var(--line);margin-bottom:2.2rem}
.spec > div{display:grid;grid-template-columns:minmax(110px,34%) 1fr;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.spec dt{font-weight:650}
.spec dd{color:var(--muted)}
.dark .spec{border-color:var(--line-d)}.dark .spec > div{border-color:var(--line-d)}.dark .spec dd{color:var(--muted-d)}
.spec-2{display:grid;grid-template-columns:1fr 1fr;column-gap:clamp(24px,4vw,56px);border-top:0}
.spec-2 > div:nth-child(-n+2){border-top:1px solid var(--line)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips li{border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.85rem;transition:border-color .2s,background .2s}
.chips li:hover{border-color:var(--indigo);background:#F6F2FE}
.pgroup{padding-top:clamp(72px,10vw,140px);border-top:1px solid var(--line)}
.pgroup:first-child{border-top:0}
.master + .wrap .pgroup:first-child{padding-top:0}
.pgrid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);margin-top:clamp(36px,5vw,56px)}
.pgrid-tight{margin-top:clamp(32px,4vw,48px);gap:clamp(20px,2.4vw,28px)}
.pcard .mist-card{aspect-ratio:4/3;margin-bottom:1.6rem;transition:background .4s}
.pcard .mist-card img{width:80%;height:88%;object-fit:contain;transition:transform .8s var(--ease)}
.pcard:hover .mist-card img{transform:scale(1.035) translateY(-4px)}
.pcard header{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;margin-bottom:.6rem}
.pcard .pname{font-size:clamp(1.6rem,2.8vw,2.2rem);margin:0}
.swatch{display:flex;align-items:center;gap:9px;font-size:.88rem;color:var(--muted);margin-bottom:1rem}
.pcard > p:not(.swatch){color:var(--muted);margin-bottom:1rem}
.pcard .ticks{margin-bottom:1.4rem}
.pcard .spec{margin-bottom:0}
.shared{margin-top:clamp(40px,5vw,64px)}
.pgrid-tight .mist-card{aspect-ratio:2/1}
.pgrid-tight .mist-card img{width:100%;height:100%;object-fit:contain}

/* ---------- 09 app ---------- */
.phones{display:flex;justify-content:center;gap:clamp(16px,2.4vw,32px);padding:8px var(--gut) 24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
.phones::-webkit-scrollbar{display:none}
.phone{flex:0 0 clamp(200px,21vw,260px);scroll-snap-align:center;text-align:center}
.phone-frame{border-radius:34px;padding:8px;background:#0F1014;box-shadow:0 30px 60px -28px rgba(15,16,20,.45),0 0 0 1px rgba(15,16,20,.08)}
.phone-frame img{border-radius:27px;width:100%}
.phone figcaption{margin-top:1rem;font-size:.9rem;color:var(--muted);line-height:1.4;padding:0 6px}
.phone:nth-child(even){transform:translateY(28px)}
.js .phone.reveal:nth-child(even){transform:translateY(50px)}
.js .phone.reveal.in:nth-child(even){transform:translateY(28px)}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,96px);margin-top:clamp(56px,7vw,96px)}

/* ---------- 10 topologies ---------- */
.legend{display:flex;flex-wrap:wrap;gap:10px 26px;margin:clamp(28px,4vw,40px) 0;font-size:.86rem;color:var(--muted)}
.legend li{display:flex;align-items:center;gap:10px}
.legend li::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--c)}
.topo{border:1px solid var(--line);border-radius:calc(var(--r) + 6px);overflow:hidden}
.tabs{display:flex;border-bottom:1px solid var(--line);background:var(--mist);overflow-x:auto;scrollbar-width:none}
.tabs button{flex:1;min-width:max-content;border:0;background:none;font:600 .92rem/1 var(--f-body);color:var(--muted);padding:20px 22px;cursor:pointer;position:relative;text-align:left;transition:color .2s,background .2s}
.tabs button b{font-family:var(--f-display);font-stretch:125%;font-weight:800;margin-right:8px;color:var(--text)}
.tabs button[aria-selected="true"]{color:var(--text);background:#fff}
.tabs button[aria-selected="true"]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--indigo)}
.topo-panel{padding:clamp(22px,4vw,48px)}
.topo-cap{color:var(--muted);margin-bottom:clamp(20px,3vw,36px)}
.topo-note{color:var(--muted);font-size:.88rem;margin-top:clamp(20px,3vw,32px)}
.diagram{overflow-x:auto;scrollbar-width:thin}
.diagram svg{width:100%;min-width:680px;height:auto;display:block;font-family:var(--f-body)}
.bx rect{fill:#fff;stroke:#D5D8DE;stroke-width:1.2;rx:10}
.bx text{font-size:15px;fill:var(--text);text-anchor:middle;font-weight:500}
.bx.nx rect{fill:var(--ink);stroke:var(--ink)}
.bx.nx text{fill:#fff;font-weight:650}
.bx text.sub{font-weight:450;fill:#A9AEB8;font-size:13.5px}
.ln path{fill:none;stroke:var(--c);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;marker-end:var(--m)}
.ln path.noarrow-start{marker-end:var(--m)}
.topo-panel.anim .ln path{stroke-dasharray:var(--len);stroke-dashoffset:var(--len);animation:draw .9s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* ---------- 11 cables ---------- */
.sec-cable{padding-bottom:clamp(80px,11vw,150px)}
.reels{background:#0D0D0D;border-block:1px solid var(--line-d)}
.reels-img{position:relative;max-width:1800px;margin:0 auto}
.reels-img img{width:100%}
.reel-zones{position:absolute;inset:0 3.5%;display:grid;grid-template-columns:repeat(5,1fr)}
.reel-zones i{transition:background .4s}
.reels.has-active .reel-zones i:not(.on){background:rgba(13,13,13,.66)}
.jackets{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(12px,2vw,24px);margin:clamp(36px,5vw,56px) 0 clamp(64px,8vw,104px)}
.jackets li{border-top:4px solid var(--c);padding-top:14px;cursor:default;outline-offset:6px;transition:opacity .3s}
.jackets h3{font-size:1.05rem;font-weight:700;margin-bottom:.3rem}
.jackets p{font-size:.9rem;color:var(--muted-d);line-height:1.45}
.jackets.has-active li:not(.on){opacity:.4}
.cable-duo{margin-top:0}

/* ---------- 12 installations ---------- */
.mosaic{display:grid;grid-template-columns:1fr 1fr;gap:clamp(10px,1.4vw,18px);margin-top:clamp(36px,5vw,56px)}
.mosaic figure{overflow:hidden;border-radius:var(--r)}
.mosaic img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.mosaic figure:hover img{transform:scale(1.03)}
.m-wide{grid-column:1/-1;aspect-ratio:2.6/1}
.mosaic figure:not(.m-wide){aspect-ratio:1.9/1}

/* ---------- 13 guide ---------- */
.table-wrap{overflow-x:auto;margin-top:clamp(32px,4vw,48px);background:#fff;border-radius:calc(var(--r) + 6px);padding:8px clamp(12px,2.4vw,28px)}
.guide{width:100%;border-collapse:collapse;font-size:.93rem;min-width:720px}
.guide th{text-align:left;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:700;padding:18px 14px 14px;border-bottom:2px solid var(--text)}
.guide td{padding:16px 14px;border-bottom:1px solid var(--line);color:var(--muted)}
.guide tr:last-child td{border-bottom:0}
.guide td:first-child{display:flex;align-items:center;gap:10px;font-weight:650;color:var(--text);white-space:nowrap}
.guide td:first-child a{text-decoration:none}
.guide .num{text-align:right;white-space:nowrap}
.guide tbody tr{cursor:pointer;transition:background .2s}
.guide tbody tr:hover{background:#F8F8FA}
.guide tbody tr:hover a{color:var(--indigo)}
.guide td.sku{font-size:.74rem}
.acc-h{margin-top:clamp(56px,7vw,88px)}
.acc{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.acc article{background:#fff;border-radius:var(--r);padding:26px 24px 28px}
.acc h4{font-size:1.02rem;font-weight:700;margin-bottom:.5rem}
.acc p{color:var(--muted);font-size:.92rem}

/* ---------- 14 edison ---------- */
.edison{background:var(--mist);overflow:hidden}
.edison .cols{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);font-size:1.03rem;color:#3A3E47;max-width:980px}
.thennow{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:clamp(40px,5vw,64px) 0 clamp(64px,8vw,104px);max-width:980px}
.tn{border-radius:var(--r);padding:28px 30px 26px}
.tn li{position:relative;padding-left:1.15em;margin-bottom:.45rem}
.tn li::before{content:"";position:absolute;left:0;top:.66em;width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.5}
.tn-then{background:#fff;color:#3A3E47}
.tn-now{background:var(--ink);color:#E4E6EB}
.tn-now .tag{color:var(--cyan)}
.statement{font-family:var(--f-display);font-stretch:125%;font-weight:800;font-size:clamp(1.8rem,4.2vw,3.5rem);line-height:1.05;letter-spacing:-.02em;margin-bottom:1.5rem}
.statement span{background:linear-gradient(90deg,var(--cyan),var(--indigo) 60%,var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- contact ---------- */
.contact{padding-bottom:clamp(56px,7vw,88px)}
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(32px,5vw,72px);align-items:center}
.contact-logo{width:200px;margin-bottom:clamp(40px,6vw,72px)}
.contact .display{margin-bottom:1.4rem;font-size:clamp(2.5rem,5.2vw,4.8rem)}
.contact-fig img{width:100%;-webkit-mask-image:radial-gradient(70% 75% at 50% 50%,#000 60%,transparent);mask-image:radial-gradient(70% 75% at 50% 50%,#000 60%,transparent)}
.contact-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;border-top:1px solid var(--line-d);padding-top:32px;margin-top:clamp(40px,6vw,72px)}
.contact-cols p:not(.tag){color:#E4E6EB;line-height:1.7}
.contact-cols a{text-decoration:none;border-bottom:1px solid rgba(255,255,255,.25);transition:border-color .2s,color .2s}
.contact-cols a:hover{color:var(--cyan);border-color:var(--cyan)}
.foot{background:var(--ink);color:#7D828D;font-size:.76rem;line-height:1.6;padding:0 0 40px}
.foot .wrap{border-top:1px solid var(--line-d);padding-top:28px}
.foot-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.foot-top img{width:104px;opacity:.8}
.to-top{color:#C9CCD4;text-decoration:none;font-size:.84rem}
.to-top:hover{color:#fff}
.foot p{max-width:880px;margin-bottom:8px}

/* ---------- responsive ---------- */
@media (max-width:1120px){
  .nav-toggle{display:block}
  .nav-links{position:fixed;inset:72px 0 auto;flex-direction:column;align-items:stretch;gap:0;background:var(--ink);padding:8px var(--gut) 24px;border-top:1px solid var(--line-d);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .25s,transform .25s var(--ease),visibility 0s .25s;max-height:calc(100vh - 72px);overflow:auto}
  .nav-links.open{opacity:1;visibility:visible;transform:none;transition:opacity .25s,transform .25s var(--ease)}
  .nav-links a{font-size:1.05rem;padding:14px 0;border-bottom:1px solid var(--line-d)}
  .nav-links a:not(.nav-cta)::after{display:none}
  .nav-links .nav-cta{margin-top:16px;text-align:center;padding:14px}
  .nav.menu-open{background:var(--ink)}
}
@media (max-width:960px){
  .hero-grid,.split-head,.master-body,.dimlab,.contact-grid{grid-template-columns:1fr}
  .split-head{align-items:start}
  .flow{grid-template-columns:1fr 1fr;row-gap:28px}
  .features{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .gens{grid-template-columns:1fr}
  .look{grid-template-columns:1fr}
  .look > div{padding:8px 12px 18px}
  .look img{aspect-ratio:16/10}
  .jackets{grid-template-columns:repeat(3,1fr);row-gap:28px}
  .acc{grid-template-columns:1fr}
  .phones{justify-content:flex-start}
  .phone:nth-child(even),.js .phone.reveal:nth-child(even),.js .phone.reveal.in:nth-child(even){transform:none}
  .contact-fig{order:-1}
  .contact-logo{margin-bottom:32px}
}
@media (max-width:680px){
  body{font-size:15.5px}
  .hero-foot p{display:none}
  .hero-foot{justify-content:space-between}
  .flow,.features,.benefits,.pgrid,.duo,.spec-2,.edison .cols,.thennow,.contact-cols{grid-template-columns:1fr}
  .spec-2 > div:nth-child(2){border-top:0}
  .stat{padding:22px 14px 22px}
  .stat:nth-child(odd){padding-left:0}
  .jackets{grid-template-columns:1fr 1fr}
  .mosaic{grid-template-columns:1fr}
  .m-wide{aspect-ratio:16/10}
  .reasons li{grid-template-columns:52px 1fr}
  .master-fig figcaption{position:static;justify-content:center;padding-bottom:18px}
  .lamp{padding:20px 10px 14px}
  .tabs button{padding:16px 16px;font-size:.86rem}
  .contact-cols{gap:20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}