/* ============================================================
   ARVENTIX v6 — Cinematic industrial site + DARK / LIGHT themes
   Look: editorial / film-grade (reference: lutstudios.com)
   Tech: pure CSS + canvas scenes, no external libs
   Themes: set <html data-theme="dark|light"> via script.js
   ============================================================ */

/* ---------- Tokens (dark is the default) ---------- */
:root,
:root[data-theme="dark"]{
  --bg0:#04070d;
  --bg1:#070d16;
  --bg2:#0a1220;
  --panel:rgba(13,24,40,.55);
  --glass:rgba(255,255,255,.04);
  --glass-2:rgba(255,255,255,.07);
  --line:rgba(127,175,224,.13);
  --line-strong:rgba(127,175,224,.26);
  --ink:#e9f2fb;
  --heading:#ffffff;
  --muted:#9db1c6;
  --muted-2:#6f8498;
  --faint:#5f7489;
  --label:#8fa5bb;
  --cyan:#35dcf4;
  --blue:#2f7bff;
  --warm:#ffb36b;
  --rec:#ff4d5e;
  --on-brand:#02131c;
  --font-d:'Space Grotesk',system-ui,sans-serif;
  --font-b:'Inter',system-ui,sans-serif;
  --font-m:'IBM Plex Mono',ui-monospace,monospace;
  --radius:22px;
  --shadow:0 30px 90px rgba(0,0,0,.42);
  --gutter:clamp(20px,4.6vw,64px);
  --maxw:1360px;

  /* page aura */
  --aura-a:rgba(47,123,255,.09);
  --aura-b:rgba(53,220,244,.055);
  /* surfaces */
  --card-a:rgba(255,255,255,.05);
  --card-b:rgba(255,255,255,.018);
  --card-glow:rgba(53,220,244,.09);
  --mock-bg:rgba(255,255,255,.025);
  --chip:rgba(255,255,255,.03);
  --chip-2:rgba(255,255,255,.06);
  --input-bg:rgba(4,8,14,.55);
  --input-bg-focus:rgba(4,10,18,.8);
  --placeholder:#5b6f83;
  /* section washes */
  --chapter-dark:linear-gradient(180deg,rgba(6,10,18,.35),rgba(4,7,13,.12));
  --statement-bg:linear-gradient(180deg,rgba(6,11,20,.4),rgba(4,7,13,0));
  --contact-aura:radial-gradient(900px 420px at 12% 10%,rgba(47,123,255,.08),transparent 62%);
  /* header / menus / footer */
  --mast-solid:rgba(4,7,13,.78);
  --menu-bg:rgba(4,7,13,.94);
  --footer-bg:rgba(3,6,11,.6);
  /* cinematic overlays */
  --vignette-radial:rgba(2,5,10,.62);
  --vignette-top:rgba(3,6,11,.5);
  --vignette-bot:rgba(3,6,11,.66);
  --mark:rgba(233,242,251,.4);
  --grain-opacity:.07;
  /* canvas "glow" palette for JS scenes */
  --glow-front:120,235,255;
  --glow-back:64,132,255;
  --glow-ambient:96,190,255;
  --glow-dot-cyan:53,220,244;
  --glow-dot-blue:47,123,255;
  --glow-axis:53,220,244;
  --glow-pulse:120,240,255;
  --glow-warm:255,179,107;
  --glow-orb1:#eafdff; --glow-orb2:#6fe8f9; --glow-orb3:#1b6fd8; --glow-orb4:#0a2f6b;
  --glow-spec:255,255,255;
  --glow-floor:96,165,255;
  --glow-halo:120,220,255;
  --glow-halo2:80,160,255;
  /* platform visual panel stays a dark "screen" in both themes */
  --screen-bg:radial-gradient(480px 300px at 50% 42%,rgba(47,123,255,.14),transparent 70%),
              linear-gradient(180deg,rgba(13,23,40,.72),rgba(6,11,20,.86));
  --drawer-bg:linear-gradient(180deg,rgba(9,16,27,.9),rgba(4,8,15,.97));
}

/* ---------- Light theme ---------- */
:root[data-theme="light"]{
  --bg0:#eef1f6;
  --bg1:#f6f8fb;
  --bg2:#e6ebf2;
  --panel:rgba(255,255,255,.6);
  --glass:rgba(255,255,255,.55);
  --glass-2:rgba(255,255,255,.75);
  --line:rgba(20,55,95,.14);
  --line-strong:rgba(20,55,95,.26);
  --ink:#14202e;
  --heading:#0a1220;
  --muted:#4d6074;
  --muted-2:#66788c;
  --faint:#7b8b9c;
  --label:#5a7088;
  --cyan:#0a97b8;
  --blue:#1a5fd0;
  --warm:#d97a1a;
  --rec:#e0354a;
  --on-brand:#ffffff;
  --shadow:0 30px 90px rgba(30,60,100,.18);

  --aura-a:rgba(26,95,208,.10);
  --aura-b:rgba(10,151,184,.07);
  --card-a:rgba(255,255,255,.8);
  --card-b:rgba(255,255,255,.45);
  --card-glow:rgba(10,151,184,.08);
  --mock-bg:rgba(255,255,255,.7);
  --chip:rgba(255,255,255,.55);
  --chip-2:rgba(255,255,255,.8);
  --input-bg:rgba(255,255,255,.9);
  --input-bg-focus:#ffffff;
  --placeholder:#94a3b4;
  --chapter-dark:linear-gradient(180deg,rgba(220,229,240,.55),rgba(240,244,249,.25));
  --statement-bg:linear-gradient(180deg,rgba(214,224,236,.5),rgba(246,248,251,0));
  --contact-aura:radial-gradient(900px 420px at 12% 10%,rgba(26,95,208,.07),transparent 62%);
  --mast-solid:rgba(250,252,255,.85);
  --menu-bg:rgba(250,252,255,.96);
  --footer-bg:rgba(230,235,242,.7);
  --vignette-radial:rgba(80,105,140,.22);
  --vignette-top:rgba(120,135,160,.12);
  --vignette-bot:rgba(80,105,140,.18);
  --mark:rgba(15,40,70,.5);
  --grain-opacity:.05;
  --glow-front:0,95,135;
  --glow-back:0,70,190;
  --glow-ambient:0,115,160;
  --glow-dot-cyan:0,130,165;
  --glow-dot-blue:20,80,220;
  --glow-axis:0,130,165;
  --glow-pulse:0,145,180;
  --glow-warm:217,110,45;
  --glow-orb1:#b9f0ff; --glow-orb2:#38b8d8; --glow-orb3:#0a63c0; --glow-orb4:#053a80;
  --glow-spec:255,255,255;
  --glow-floor:0,110,170;
  --glow-halo:0,150,190;
  --glow-halo2:0,110,230;
  --screen-bg:radial-gradient(480px 300px at 50% 42%,rgba(26,95,208,.12),transparent 70%),
              linear-gradient(180deg,rgba(16,32,58,.9),rgba(6,14,28,.95));
  --drawer-bg:linear-gradient(180deg,rgba(250,252,255,.98),rgba(240,244,249,.99));
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-b);
  font-size:16px;
  line-height:1.65;
  color:var(--ink);
  background:
    radial-gradient(1100px 520px at 82% -6%,var(--aura-a),transparent 62%),
    radial-gradient(900px 480px at -8% 24%,var(--aura-b),transparent 60%),
    linear-gradient(180deg,var(--bg0),var(--bg1) 34%,var(--bg0) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  transition:background .5s ease,color .5s ease;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea{font:inherit;color:inherit}
::selection{background:rgba(53,220,244,.25);color:#fff}
:root[data-theme="light"] ::selection{background:rgba(10,151,184,.3);color:#06202b}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

.wrap{width:min(var(--maxw),100% - 2*var(--gutter));margin-inline:auto;position:relative;z-index:2}

/* Mono meta style used across the site (slate labels, codes) */
.mono{font-family:var(--font-m);letter-spacing:.18em;text-transform:uppercase}
.mono-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--rec);box-shadow:0 0 12px var(--rec);margin-right:10px;animation:blink 1.6s infinite}

/* ============================================================
   CINEMATIC OVERLAYS (fixed)
   ============================================================ */
.cine{position:fixed;inset:0;z-index:80;pointer-events:none}
#trailCanvas{position:absolute;inset:0;width:100%;height:100%;display:block}
#grainCanvas{position:absolute;inset:0;width:100%;height:100%;opacity:var(--grain-opacity);mix-blend-mode:overlay}
.cine-vignette{position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 50% 42%,transparent 42%,var(--vignette-radial) 100%),
    linear-gradient(180deg,var(--vignette-top),transparent 12%,transparent 88%,var(--vignette-bot));
  transition:background .5s ease}
/* corner framing marks (viewfinder) */
.mark{position:absolute;width:22px;height:22px;opacity:.5;border:0 solid var(--mark)}
.mark-tl{top:14px;left:14px;border-top-width:1px;border-left-width:1px}
.mark-tr{top:14px;right:14px;border-top-width:1px;border-right-width:1px}
.mark-bl{bottom:14px;left:14px;border-bottom-width:1px;border-left-width:1px}
.mark-br{bottom:14px;right:14px;border-bottom-width:1px;border-right-width:1px}
/* thin scroll progress bar on top */
.cine-progress{position:absolute;top:0;left:0;right:0;height:2px;background:rgba(127,175,224,.12)}
.cine-progress span{display:block;width:100%;height:100%;transform-origin:0 50%;transform:scaleX(0);
  background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 14px rgba(53,220,244,.55)}

/* ============================================================
   HEADER + THEME SWITCH
   ============================================================ */
.mast{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .35s,border-color .35s,backdrop-filter .35s;
  border-bottom:1px solid transparent}
.mast.solid{background:var(--mast-solid);backdrop-filter:blur(18px);border-bottom-color:var(--line)}
.mast-inner{display:flex;align-items:center;justify-content:space-between;height:78px;gap:20px}
.brand{width:150px;flex:0 0 auto;opacity:.96;transition:opacity .3s}
.brand:hover{opacity:1}
.brand img{width:100%;height:auto}
.mast-actions{display:flex;align-items:center;gap:14px}
.mast-nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,34px)}
.mast-nav a{font-family:var(--font-m);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--label);
  position:relative;padding:6px 2px;display:inline-flex;gap:7px;align-items:baseline;transition:color .3s}
.mast-nav a i{font-style:normal;font-size:10px;color:var(--faint)}
.mast-nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:linear-gradient(90deg,var(--cyan),transparent 70%);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.mast-nav a:not(.nav-cta):hover::after{transform:scaleX(1)}
.mast-nav a:hover{color:var(--heading)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line-strong);border-radius:999px;
  padding:10px 18px !important;transition:.25s;background:var(--chip)}
.nav-cta span{color:var(--cyan);transition:transform .25s}
.nav-cta:hover{background:rgba(53,220,244,.12);border-color:rgba(53,220,244,.45);color:var(--heading)}
.nav-cta:hover span{transform:translate(2px,-2px)}

/* theme switch button */
.theme-toggle{position:relative;width:46px;height:46px;flex:0 0 auto;border-radius:50%;cursor:pointer;
  border:1px solid var(--line-strong);background:var(--chip);overflow:hidden;transition:.3s;
  display:inline-grid;place-items:center}
.theme-toggle:hover{border-color:rgba(53,220,244,.5);background:var(--chip-2)}
.theme-toggle svg{position:absolute;inset:0;margin:auto;width:20px;height:20px;
  transition:transform .45s cubic-bezier(.2,.7,.3,1),opacity .3s}
.theme-toggle .ico-sun{color:var(--warm);transform:translateY(0) rotate(0)}
.theme-toggle .ico-moon{color:var(--cyan)}
:root[data-theme="dark"] .theme-toggle .ico-sun{opacity:0;transform:translateY(130%) rotate(60deg)}
:root[data-theme="dark"] .theme-toggle .ico-moon{transform:translateY(0) rotate(0)}
:root[data-theme="light"] .theme-toggle .ico-moon{opacity:0;transform:translateY(-130%) rotate(-60deg)}
:root[data-theme="light"] .theme-toggle .ico-sun{transform:translateY(0) rotate(0)}

.burger{display:none;width:46px;height:46px;background:transparent;border:1px solid var(--line);border-radius:12px;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:6px}
.burger span{display:block;width:18px;height:2px;background:var(--label);transition:.3s}
.burger[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* ============================================================
   BUTTONS / links
   ============================================================ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 26px;border-radius:999px;
  font-weight:600;font-family:var(--font-d);font-size:15px;letter-spacing:.01em;transition:.28s;border:1px solid transparent;cursor:pointer}
.btn span{transition:transform .28s;display:inline-block}
.btn:hover span{transform:translate(3px,-3px)}
.btn-primary{background:linear-gradient(120deg,var(--blue),#1dbfe8 90%);color:var(--on-brand);
  box-shadow:0 16px 44px rgba(47,123,255,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 56px rgba(53,220,244,.32)}
.btn-ghost{border-color:var(--line-strong);color:var(--heading);background:var(--chip)}
.btn-ghost:hover{background:var(--chip-2);border-color:rgba(53,220,244,.45)}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:10px;margin-top:28px;font-family:var(--font-m);font-size:12px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding-bottom:8px;border-bottom:1px solid var(--line-strong);transition:.25s}
.text-link span{color:var(--cyan);transition:transform .25s}
.text-link:hover{color:var(--heading);border-color:var(--cyan)}
.text-link:hover span{transform:translate(3px,-3px)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;
  padding:150px 0 90px}
#coreCanvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero-grid-floor{position:absolute;left:-10%;right:-10%;bottom:-6%;height:34%;pointer-events:none;opacity:.5;
  background:
    linear-gradient(180deg,transparent,rgba(53,220,244,.05) 46%,rgba(47,123,255,.1)),
    repeating-linear-gradient(90deg,rgba(127,175,224,.05) 0 1px,transparent 1px 92px);
  transform:perspective(900px) rotateX(74deg);transform-origin:bottom center;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 40%);mask-image:linear-gradient(180deg,transparent,#000 40%)}
.hero-inner{width:min(var(--maxw),100% - 2*var(--gutter));margin-inline:auto;position:relative;z-index:3}

.slate{display:flex;align-items:center;gap:16px;font-family:var(--font-m);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--label);margin-bottom:34px;flex-wrap:wrap}
.slate .rec{display:inline-flex;align-items:center;gap:8px;color:var(--rec)}
.slate .rec i{width:8px;height:8px;border-radius:50%;background:var(--rec);box-shadow:0 0 12px var(--rec);animation:blink 1.6s infinite}
.slate-copy::before,.slate-copy::after{content:"";display:inline-block;vertical-align:middle;width:44px;height:1px;margin:0 14px;
  background:linear-gradient(90deg,transparent,var(--mark))}
.slate-code{color:var(--faint)}

.hero-title{margin:0;font-family:var(--font-d);font-weight:700;letter-spacing:-.022em;line-height:1.04;
  font-size:clamp(1.9rem,7.4vw,8.4rem);text-transform:uppercase;color:var(--heading);
  text-shadow:0 10px 60px rgba(0,0,0,.2)}
.ht-line{display:block;overflow:hidden;padding-block:.05em;margin-block:-.03em}
.ht-in{display:block;transform:translateY(115%);transition:transform 1.05s cubic-bezier(.19,1,.22,1)}
.ht-l2 .ht-in{transition-delay:.14s}
.ht-l3 .ht-in{transition-delay:.28s}
.ht-outline{color:rgba(160,225,240,.85)}
.hero-title.is-in .ht-in{transform:translateY(0)}

.hero-lead{max-width:620px;margin:30px 0 0;font-size:clamp(16px,1.25vw,19px);line-height:1.75;color:var(--muted)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,230px));gap:0;margin:54px 0 0;max-width:760px}
.hm{padding:6px 26px 6px 0;border-right:1px solid var(--line);margin-right:26px}
.hm:last-child{border-right:0;margin-right:0}
.hm dt{font-family:var(--font-m);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--heading);margin-bottom:7px}
.hm dd{margin:0;font-size:13px;color:var(--muted-2);line-height:1.5}

.hero-foot{position:absolute;left:0;right:0;bottom:26px;z-index:3;display:flex;justify-content:space-between;align-items:center;
  padding-inline:var(--gutter);font-family:var(--font-m);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint)}
.hero-foot-tc{color:var(--rec)}
.hero-foot-hint{opacity:.7;animation:hintBob 2.4s ease-in-out infinite}
@keyframes hintBob{0%,100%{transform:translateY(0);opacity:.45}50%{transform:translateY(5px);opacity:1}}

/* ============================================================
   STATEMENT BAND
   ============================================================ */
.statement{position:relative;padding:clamp(70px,9vw,150px) 0;border-block:1px solid var(--line);
  background:var(--statement-bg)}
.stmt-kicker{font-family:var(--font-m);font-size:11px;letter-spacing:.22em;color:var(--rec);margin:0 0 34px;
  text-transform:uppercase;display:flex;align-items:center}
.stmt-title{margin:0;font-family:var(--font-d);font-weight:700;letter-spacing:-.025em;line-height:1.06;
  font-size:clamp(30px,4.9vw,74px);color:var(--heading)}
.stmt-title .reveal{display:block}
.stmt-title em{font-style:normal;color:var(--cyan)}

/* Progressive enhancement: outline (stroke) text where supported */
@supports ((-webkit-text-stroke:1px #000) or (text-stroke:1px #000)){
  .ht-outline{color:transparent;-webkit-text-stroke:2px rgba(160,225,240,.8)}
  .ch-num{color:transparent;-webkit-text-stroke:1px rgba(53,220,244,.55)}
  .stmt-title em{color:transparent;-webkit-text-stroke:1.5px rgba(53,220,244,.8)}
}
:root[data-theme="light"] .ht-outline{-webkit-text-stroke-color:rgba(10,151,184,.75)}
:root[data-theme="light"] .ch-num{-webkit-text-stroke-color:rgba(10,151,184,.6)}
:root[data-theme="light"] .stmt-title em{-webkit-text-stroke-color:rgba(10,151,184,.8)}

.stmt-flow{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-top:52px;
  padding-top:30px;border-top:1px solid var(--line)}
.stmt-flow>.mono{font-size:11px;color:var(--faint)}
.flow{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.flow b{font-family:var(--font-m);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--heading);
  padding:11px 18px;border:1px solid var(--line-strong);border-radius:999px;background:var(--chip);font-weight:500;transition:.3s}
.flow i{width:26px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);display:block}
.flow b:last-of-type{color:var(--on-brand);background:linear-gradient(120deg,var(--blue),var(--cyan));border-color:transparent;font-weight:600}

/* ============================================================
   CHAPTERS (generic)
   ============================================================ */
.chapter{position:relative;padding:clamp(90px,11vw,170px) 0;scroll-margin-top:70px}
.chapter-dark{background:var(--chapter-dark)}
.chapter+.chapter{border-top:1px solid var(--line)}

.ch-head{margin-bottom:clamp(40px,5vw,70px)}
.ch-slate{display:flex;align-items:baseline;gap:16px;font-family:var(--font-m);font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--label);margin-bottom:26px;flex-wrap:wrap}
.ch-num{font-size:30px;color:var(--cyan);letter-spacing:0;line-height:1;transform:translateY(2px)}
.ch-name{color:var(--heading);font-weight:600}
.ch-sub{color:var(--faint);letter-spacing:.14em}
.ch-title{margin:0;max-width:980px;font-family:var(--font-d);font-weight:700;letter-spacing:-.022em;line-height:1.06;
  font-size:clamp(34px,5.2vw,80px);color:var(--heading)}
.ch-lead{margin:26px 0 0;max-width:560px;font-size:16px;line-height:1.8;color:var(--muted)}

/* cards shared */
.card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--card-a),var(--card-b));transition:.35s cubic-bezier(.2,.7,.3,1)}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;transition:.35s;pointer-events:none;
  background:radial-gradient(420px 200px at 20% 0%,var(--card-glow),transparent 70%)}
.card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px}
.card-top .code{font-size:11px;color:var(--label)}
.card .tag{font-size:10px;color:var(--cyan);padding:7px 12px;border:1px solid rgba(53,220,244,.28);border-radius:999px;
  background:rgba(53,220,244,.08);white-space:nowrap}
.card h3{font-family:var(--font-d);font-size:clamp(21px,1.6vw,27px);font-weight:700;letter-spacing:-.015em;margin:0 0 12px;color:var(--heading)}
.card p{font-size:14.5px;line-height:1.72;color:var(--muted);margin:0 0 20px}

/* ---------- Services grid ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tick-list{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.tick-list li{font-size:13.5px;color:var(--ink);display:flex;gap:11px;align-items:baseline}
.tick-list li::before{content:"";flex:0 0 7px;height:7px;border-radius:50%;transform:translateY(-2px);
  background:var(--cyan);box-shadow:0 0 10px rgba(53,220,244,.6)}

/* ---------- Platform ---------- */
.plat-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(40px,5vw,90px);align-items:center}
.plat-visual{position:relative;margin:0;border:1px solid rgba(96,160,220,.3);border-radius:26px;overflow:hidden;
  background:var(--screen-bg);
  box-shadow:var(--shadow),inset 0 0 0 1px rgba(255,255,255,.04)}
.plat-visual canvas{display:block;width:100%;height:min(56vw,520px);min-height:340px}
.plat-caption{position:absolute;left:18px;bottom:14px;font-size:10px;color:#8ba3bb;letter-spacing:.2em;text-align:left}

/* ---------- Products ---------- */
.prod-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:18px}
.prod{display:flex;flex-direction:column;min-height:250px}
.prod-lg{grid-row:span 2;min-height:520px}
.pill-rel{color:#ffd9c7 !important;border-color:rgba(255,179,107,.3) !important;background:rgba(255,179,107,.12) !important}
.pill-ops{color:#9fdceb !important;border-color:rgba(53,220,244,.24) !important;background:rgba(53,220,244,.08) !important}
.pill-pred{color:#c9ccff !important;border-color:rgba(160,150,255,.3) !important;background:rgba(160,150,255,.1) !important}
.pill-vis{color:#aef0cf !important;border-color:rgba(110,240,190,.3) !important;background:rgba(110,240,190,.1) !important}
.prod h3{font-size:clamp(21px,1.7vw,29px)}
.prod p{flex:1}

/* mocks */
.mock{margin-top:auto;border:1px solid var(--line);border-radius:18px;background:var(--mock-bg);
  padding:18px;overflow:hidden;position:relative}
.mock-gauge{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;min-height:150px}
.gauge-ring{width:110px;height:110px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:conic-gradient(var(--cyan) 0 258deg,rgba(127,175,224,.14) 258deg 360deg);position:relative}
.gauge-ring::before{content:"";position:absolute;inset:13px;border-radius:50%;background:var(--bg1)}
.gauge-ring b{position:relative;font-family:var(--font-d);font-size:34px;color:var(--heading);line-height:1}
.gauge-ring small{position:relative;font-family:var(--font-m);font-size:9px;letter-spacing:.12em;color:var(--faint);margin-top:5px;text-transform:uppercase}
.bars{display:grid;gap:12px}
.bars i{height:9px;border-radius:999px;background:linear-gradient(90deg,var(--cyan),rgba(127,175,224,.16))}
.bars i:nth-child(2){width:86%;animation-delay:.4s}
.bars i:nth-child(3){width:64%;animation-delay:.8s}
.bars i:nth-child(4){width:48%;animation-delay:1.2s}
.mock-bubble{min-height:150px;display:flex;flex-direction:column;justify-content:space-between}
.bubble{padding:13px 15px;border-radius:14px;border:1px solid rgba(53,220,244,.25);background:rgba(53,220,244,.08);
  font-size:13.5px;font-weight:500;color:var(--heading);line-height:1.5}
.mock-chart{min-height:130px}
.mock-chart svg{width:100%;height:100%;display:block;min-height:110px}
.mock-chart .grid{stroke:var(--line);stroke-width:1;fill:none}
.mock-chart .trace{stroke:var(--cyan);stroke-width:3;fill:none;stroke-linecap:round;filter:drop-shadow(0 0 8px rgba(53,220,244,.5));
  stroke-dasharray:900;stroke-dashoffset:900;animation:drawTrace 2.6s cubic-bezier(.4,0,.2,1) forwards}
.mock-cam{min-height:150px}
.mock-cam::before{content:"";position:absolute;inset:16px;border-radius:12px;opacity:.9;
  background:radial-gradient(circle at 42% 40%,#1c3350,#08111f 72%)}
.cam-focus{position:absolute;right:26px;bottom:26px;width:64px;height:44px;border:1.5px solid var(--warm);
  box-shadow:0 0 0 1px rgba(255,179,107,.15),0 0 22px rgba(255,179,107,.25);z-index:1}
.cam-scan{position:absolute;left:16px;right:16px;height:1.5px;z-index:1;background:linear-gradient(90deg,transparent,var(--warm),transparent);
  animation:camScan 3.4s ease-in-out infinite;box-shadow:0 0 12px rgba(255,179,107,.5)}
@keyframes camScan{0%,100%{top:26%;opacity:0}12%{opacity:.9}50%{top:72%;opacity:.6}88%{opacity:.9}}
@keyframes drawTrace{to{stroke-dashoffset:0}}

/* ---------- Deployment ---------- */
.dep-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(40px,5vw,100px);align-items:start}
.dep-copy{position:sticky;top:110px}
.dep-steps{list-style:none;margin:0;padding:0;position:relative}
.dep-steps::before{content:"";position:absolute;left:25px;top:14px;bottom:14px;width:1px;
  background:repeating-linear-gradient(180deg,var(--line-strong) 0 6px,transparent 6px 12px)}
.dep-step{position:relative;display:grid;grid-template-columns:52px 1fr;gap:24px;padding:14px 0;opacity:.45;transition:opacity .5s}
.dep-step.on{opacity:1}
.dep-marker{position:relative;z-index:1;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-strong);background:var(--bg1);transition:.35s}
.dep-marker i{width:10px;height:10px;border-radius:50%;background:var(--faint);transition:.35s;box-shadow:none}
.dep-step.on .dep-marker{border-color:rgba(53,220,244,.55)}
.dep-step.on .dep-marker i{background:var(--cyan);box-shadow:0 0 16px rgba(53,220,244,.8)}
.dep-body b{font-family:var(--font-m);font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--heading);font-weight:600}
.dep-body p{margin:8px 0 0;font-size:14.5px;color:var(--muted);line-height:1.7}
.dep-body::after{content:"";display:block;width:0;height:1px;margin-top:14px;background:linear-gradient(90deg,var(--cyan),transparent);
  transition:width 1.2s cubic-bezier(.2,.7,.3,1)}
.dep-step.on .dep-body::after{width:64px}

/* ---------- Stack marquee ---------- */
.stackband{position:relative;padding:clamp(60px,8vw,110px) 0 clamp(30px,5vw,60px);border-top:1px solid var(--line)}
.stack-kicker{font-size:11px;color:var(--faint);max-width:760px;line-height:1.9;margin:0 0 48px}
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:22px 0;position:relative;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;align-items:center;width:max-content;animation:marquee 40s linear infinite}
.marquee-track>*{margin-right:34px}
.marquee-track span{font-family:var(--font-d);font-size:clamp(18px,2.2vw,34px);font-weight:700;letter-spacing:.02em;
  color:var(--label);white-space:nowrap;text-transform:uppercase}
.marquee-track b{color:var(--cyan);font-weight:400;text-shadow:0 0 12px rgba(53,220,244,.8)}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============================================================
   CONTACT DRAWER (lateral left overlay)
   ============================================================ */
.contact-backdrop{position:fixed;inset:0;z-index:90;background:rgba(3,6,12,.62);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .5s ease,visibility 0s linear .5s}
:root[data-theme="light"] .contact-backdrop{background:rgba(30,45,65,.35)}
.contact-backdrop.open{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .5s ease}

.contact-drawer{position:fixed;top:0;left:0;bottom:0;z-index:91;width:min(560px,100vw);
  background:var(--drawer-bg);
  backdrop-filter:blur(20px);
  border-right:1px solid var(--line-strong);
  box-shadow:40px 0 120px rgba(0,0,0,.4);
  display:flex;flex-direction:column;
  transform:translateX(-105%);visibility:hidden;
  transition:transform .6s cubic-bezier(.2,.7,.3,1),visibility 0s linear .6s}
.contact-drawer.open{transform:translateX(0);visibility:visible;
  transition:transform .6s cubic-bezier(.2,.7,.3,1)}

.drawer-close{position:absolute;top:18px;right:18px;z-index:2;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line-strong);background:var(--chip);cursor:pointer;transition:.25s}
.drawer-close span{position:absolute;left:50%;top:50%;width:18px;height:2px;background:var(--heading);transform:translate(-50%,-50%) rotate(0)}
.drawer-close span:first-child{transform:translate(-50%,-50%) rotate(45deg)}
.drawer-close span:last-child{transform:translate(-50%,-50%) rotate(-45deg)}
.drawer-close:hover{border-color:rgba(53,220,244,.5);background:rgba(53,220,244,.12)}

.drawer-inner{padding:clamp(28px,4vw,46px) clamp(24px,3.4vw,38px) 40px;overflow-y:auto;scrollbar-width:thin;
  display:flex;flex-direction:column;gap:22px}
.drawer-title{margin:0;font-family:var(--font-d);font-weight:700;letter-spacing:-.02em;line-height:1.05;
  font-size:clamp(30px,3.6vw,46px);color:var(--heading)}
.drawer-lead{margin:0;font-size:15px;line-height:1.75;color:var(--muted)}

.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list span{font-family:var(--font-m);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);
  padding:9px 14px;border:1px solid var(--line);border-radius:999px}

.contact-form{display:grid;gap:16px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form label{display:flex;flex-direction:column;gap:9px;font-family:var(--font-m);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted)}
.contact-form input,.contact-form textarea{font-family:var(--font-b);letter-spacing:0;text-transform:none;font-size:15px;
  border:1px solid var(--line-strong);border-radius:13px;padding:13px 15px;background:var(--input-bg);color:var(--heading);outline:none;transition:.25s}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:var(--placeholder)}
.contact-form input:focus,.contact-form textarea:focus{border-color:rgba(53,220,244,.55);box-shadow:0 0 0 3px rgba(53,220,244,.12);background:var(--input-bg-focus)}
.form-note{font-family:var(--font-m);font-size:11px;color:var(--faint);text-align:center;margin:2px 0 0;line-height:1.7}

/* lock page scroll while the drawer is open */
body.contact-open{overflow:hidden}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{border-top:1px solid var(--line);padding:44px 0 40px;background:var(--footer-bg)}
.foot-grid{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot-grid .brand{width:130px}
.foot-links{display:flex;gap:26px;flex-wrap:wrap}
.foot-links a{font-family:var(--font-m);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);transition:.25s}
.foot-links a:hover{color:var(--heading)}
.foot-meta{display:flex;flex-direction:column;gap:7px;align-items:flex-end;font-size:10.5px;color:var(--faint);letter-spacing:.14em}

/* ============================================================
   REVEAL SYSTEM
   ============================================================ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal.rl-1{transition-delay:.05s}.reveal.rl-2{transition-delay:.22s}.reveal.rl-3{transition-delay:.4s}

/* ---------- Keyframes misc ---------- */
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.bars i{animation:barPulse 3.2s ease-in-out infinite}
@keyframes barPulse{0%,100%{opacity:.55}50%{opacity:1}}

/* ============================================================
   THEME-SPECIFIC DETAIL TOUCHES
   ============================================================ */
/* logo readability: dark bg expects light logo, light bg expects dark logo.
   The provided logo is light-on-transparent; we blend it for light mode. */
:root[data-theme="light"] .brand img,
:root[data-theme="light"] .foot-grid .brand img{filter:invert(.9) hue-rotate(180deg) brightness(.95)}

/* light-specific adjustments */
:root[data-theme="light"] .mock-cam::before{opacity:.85}
:root[data-theme="light"] .card .tag,
:root[data-theme="light"] .bubble,
:root[data-theme="light"] .pill-ops{color:#07505f !important}
:root[data-theme="light"] .pill-rel{color:#7c3c08 !important}
:root[data-theme="light"] .pill-pred{color:#3d3399 !important}
:root[data-theme="light"] .pill-vis{color:#16664a !important}
:root[data-theme="light"] .mock-chart .grid{stroke:rgba(20,55,95,.18)}
:root[data-theme="light"] .marquee-track b{text-shadow:0 0 12px rgba(10,151,184,.5)}
:root[data-theme="light"] .tick-list li::before,
:root[data-theme="light"] .dep-step.on .dep-marker i{box-shadow:0 0 10px rgba(10,151,184,.55)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1120px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:1fr 1fr}
  .prod-lg{grid-row:auto;grid-column:span 2;min-height:340px}
}
@media (max-width:960px){
  .burger{display:flex}
  .mast-nav{position:fixed;inset:78px 0 auto 0;display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:18px var(--gutter) 26px;background:var(--menu-bg);backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
  .mast-nav.open{display:flex}
  .mast-nav a{padding:15px 2px;border-bottom:1px solid var(--line);font-size:13px;display:flex;gap:14px;align-items:center}
  .mast-nav a:not(.nav-cta)::after{display:none}
  .nav-cta{margin-top:16px;justify-content:center;border-radius:12px !important}
  .plat-grid,.dep-grid{grid-template-columns:1fr;gap:44px}
  .dep-copy{position:static}
  .hero-metrics{grid-template-columns:1fr;gap:0}
  .hm{border-right:0;border-bottom:1px solid var(--line);padding:16px 0;margin:0}
  .hm dd{margin-bottom:4px}
}
@media (max-width:680px){
  .svc-grid,.prod-grid{grid-template-columns:1fr}
  .prod-lg{grid-column:auto;min-height:0}
  .field-row{grid-template-columns:1fr}
  .hero{padding-top:130px}
  .ht-outline{-webkit-text-stroke-width:1.4px}
  .slate-copy::before,.slate-copy::after{display:none}
  .hero-foot-hint{display:none}
  .mark{display:none}
  .stmt-flow{flex-direction:column;align-items:flex-start}
  .chapter{scroll-margin-top:60px}
  .foot-grid{flex-direction:column;align-items:flex-start}
  .foot-meta{align-items:flex-start}
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  .ht-in{transform:none}
  .marquee-track{animation:none}
  #cineProgress,.cine-progress{display:none}
}