/* =========================================================
   LKTech — Design System v3
   Cinematic atmosphere · no grids · no boxes · smooth flow
   "dark space + soft light + premium software"
   ========================================================= */

/* ---------- Tokens (dark is the bare :root; light overrides at the end) ---------- */
:root{
  --bg:#050507;
  --surface:rgba(255,255,255,.025);
  --card-border:rgba(255,255,255,.06);
  --hair:rgba(255,255,255,.10);

  --text:#F5F5F7;
  --muted:#A1A1AA;
  --faint:#8A8A97;

  --violet:#8B5CF6;
  --indigo:#6366F1;
  --cyan:#22D3EE;
  --highlight:#A78BFA;
  --grad:linear-gradient(110deg,#A78BFA 0%,#8B5CF6 50%,#6366F1 100%);
  --on-accent:#0B0713;

  /* atmospheric lights */
  --l1:rgba(139,92,246,.20);
  --l2:rgba(99,102,241,.16);
  --l3:rgba(34,211,238,.075);
  --l4:rgba(124,58,237,.14);
  --l5:rgba(99,102,241,.11);

  --maxw:1160px;
  --ease:cubic-bezier(.22,1,.36,1);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  line-height:1.65;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
}
::selection{background:rgba(139,92,246,.30);color:#fff}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
:focus-visible{outline:1px solid var(--highlight);outline-offset:4px;border-radius:4px}

/* ---------- Atmosphere: soft radial light only. No grid, no dots, no blur filters. ---------- */
.atmos{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(58% 42% at 14% -6%, var(--l1), transparent 72%),
    radial-gradient(48% 38% at 92% 4%,  var(--l2), transparent 72%),
    radial-gradient(42% 34% at 82% 44%, var(--l3), transparent 72%),
    radial-gradient(54% 40% at 6% 72%,  var(--l4), transparent 72%),
    radial-gradient(64% 46% at 52% 104%,var(--l5), transparent 72%);
}
.cursor-glow{
  position:fixed;top:0;left:0;width:520px;height:520px;border-radius:50%;z-index:1;
  background:radial-gradient(circle,rgba(139,92,246,.085),transparent 62%);
  transform:translate(-50%,-50%);pointer-events:none;mix-blend-mode:screen;
  transition:transform .45s cubic-bezier(.22,1,.36,1),opacity .4s;
}

/* ---------- Layout & rhythm ---------- */
.wrap{width:min(var(--maxw),90vw);margin-inline:auto;position:relative;z-index:2}
section{position:relative;z-index:2;padding:clamp(100px,13vw,180px) 0;scroll-margin-top:96px}
#top,.strip{scroll-margin-top:96px}
/* per-section atmospheric depth — edge-free, alternating sides */
section::before{
  content:"";position:absolute;left:0;right:0;top:-10%;bottom:-10%;z-index:-1;pointer-events:none;
  background:radial-gradient(56% 46% at 18% 34%, var(--l2), transparent 70%);
}
section:nth-of-type(even)::before{
  background:radial-gradient(52% 44% at 86% 42%, var(--l1), transparent 70%);
}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--font);font-weight:600;line-height:1.05;letter-spacing:-.035em;margin:0}
h2{font-size:clamp(2.1rem,4.9vw,3.6rem)}
.eyebrow{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.26em;
  text-transform:uppercase;color:var(--highlight);display:inline-flex;align-items:center;gap:.65rem}
.eyebrow::before{content:"";width:24px;height:1px;background:linear-gradient(90deg,var(--violet),transparent)}
.eyebrow.center::before{display:none}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head{max-width:740px;margin-bottom:clamp(56px,7vw,96px)}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head h2{margin-top:1.1rem}
.sec-head p{color:var(--muted);font-size:clamp(1.02rem,1.4vw,1.16rem);margin:1.3rem 0 0;max-width:58ch}
.sec-head.center p{margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:500;font-size:.95rem;
  padding:.88rem 1.5rem;border-radius:100px;border:1px solid transparent;cursor:pointer;
  transition:transform .5s var(--ease),background .4s,border-color .4s,box-shadow .4s;will-change:transform}
.btn .arw{transition:transform .4s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-primary{color:var(--on-accent);background:var(--grad);box-shadow:0 14px 44px -18px rgba(139,92,246,.7)}
.btn-primary:hover{box-shadow:0 20px 60px -18px rgba(139,92,246,.9)}
.btn-ghost{color:var(--text);background:var(--surface);border-color:var(--card-border)}
.btn-ghost:hover{border-color:var(--hair)}

/* ---------- Nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:60}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  width:min(var(--maxw),94vw);margin:14px auto;padding:.6rem .7rem .6rem 1.1rem;
  border:1px solid transparent;border-radius:100px;transition:background .5s var(--ease),border-color .5s}
.nav.scrolled .nav-in{background:rgba(9,9,13,.6);border-color:var(--card-border);
  backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%)}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.06rem;letter-spacing:-.02em}
.brand .mark{width:30px;height:30px}
.nav-links{display:flex;align-items:center;gap:.1rem}
.nav-links a{position:relative;color:var(--muted);font-size:.9rem;font-weight:450;padding:.5rem .85rem;transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:.85rem;right:.85rem;bottom:.3rem;height:1px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:.55rem}
.theme-toggle{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;flex:none;
  border:1px solid var(--card-border);background:var(--surface);color:var(--text);cursor:pointer;
  transition:transform .5s var(--ease),border-color .4s}
.theme-toggle:hover{transform:translateY(-2px);border-color:var(--hair)}
.theme-toggle svg{width:17px;height:17px}
.theme-toggle .moon{display:none}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:9px;cursor:pointer}
.burger span{width:22px;height:1.5px;background:var(--text);border-radius:2px;transition:.4s var(--ease)}
.nav.open .burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav.open .burger span:nth-child(2){opacity:0}
.nav.open .burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.mobile{position:fixed;inset:0;z-index:55;background:rgba(5,5,7,.96);backdrop-filter:blur(22px);
  display:flex;flex-direction:column;justify-content:center;gap:.2rem;padding:0 9vw;
  opacity:0;visibility:hidden;transition:opacity .5s var(--ease),visibility .5s}
.mobile.open{opacity:1;visibility:visible}
.mobile a{font-size:1.9rem;font-weight:600;letter-spacing:-.03em;padding:.55rem 0;color:var(--text)}
.mobile .btn{margin-top:1.6rem;justify-content:center;font-size:1rem}

/* ---------- Hero ---------- */
.hero{padding-top:clamp(150px,19vw,210px);padding-bottom:clamp(70px,9vw,110px);position:relative;z-index:2}
.hero-copy{max-width:880px;position:relative;z-index:2}
.hero h1{font-size:clamp(2.5rem,7.4vw,5.9rem);font-weight:650;letter-spacing:-.045em;margin:1.7rem 0}
.hero h1 span{display:block}
.hero p.sub{color:var(--muted);font-size:clamp(1.05rem,1.6vw,1.3rem);max-width:58ch;margin:0 0 2.6rem;line-height:1.6}
.hero-actions{display:flex;gap:.9rem;flex-wrap:wrap}
.hero-meta{margin-top:3rem;display:flex;gap:2.2rem;flex-wrap:wrap;font-family:var(--mono);
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.hero-meta span{display:flex;align-items:center;gap:.55rem}
.hero-meta span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--violet)}

/* ---------- Capability line (static — no marquee, no boxes) ---------- */
.strip{position:relative;z-index:2;padding:1.9rem 0;background:none}
.strip::before,.strip::after{content:"";position:absolute;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--hair) 16%,var(--hair) 84%,transparent)}
.strip::before{top:0}
.strip::after{bottom:0}
.strip-track{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.9rem 2.4rem;
  width:min(var(--maxw),90vw);margin-inline:auto;
  font-family:var(--mono);font-size:.74rem;letter-spacing:.17em;text-transform:uppercase;color:var(--muted)}
.strip-track span{display:flex;align-items:center;gap:2.4rem;white-space:nowrap}
.strip-track span:not(:last-child)::after{content:"";width:3px;height:3px;border-radius:50%;background:var(--violet);opacity:.65}

/* ---------- Services (open editorial columns — no cards) ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(2.4rem,4.5vw,4rem)}
.svc{position:relative;padding-top:1.9rem}
.svc::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--hair),transparent);transition:background .5s}
.svc:hover::before{background:linear-gradient(90deg,var(--violet),transparent)}
.svc .no{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--violet)}
.svc .ico{margin:1.5rem 0 1.2rem}
.svc .ico svg{width:26px;height:26px;stroke:var(--highlight)}
.svc h3{font-size:1.45rem;letter-spacing:-.028em;margin-bottom:.6rem}
.svc .tagline{color:var(--highlight);font-size:.94rem;margin:0 0 .85rem}
.svc p{color:var(--muted);font-size:.96rem;margin:0 0 1.5rem}
.tags{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem .85rem;margin-bottom:1.6rem}
.tags b{font-family:var(--mono);font-weight:400;font-size:.68rem;letter-spacing:.06em;color:var(--faint);
  display:flex;align-items:center;gap:.85rem}
.tags b:not(:last-child)::after{content:"";width:2px;height:2px;border-radius:50%;background:var(--faint);opacity:.7}
.svc .go{display:inline-flex;align-items:center;gap:.45rem;color:var(--text);font-size:.88rem;font-weight:500}
.svc .go svg{width:15px;height:15px;transition:transform .45s var(--ease)}
.svc:hover .go svg{transform:translateX(4px)}
/* AI & Automation — open band */
.svc-support{position:relative;margin-top:clamp(3rem,6vw,5rem);padding-top:2rem;
  display:flex;align-items:flex-start;gap:1.6rem;flex-wrap:wrap}
.svc-support::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--hair) 10%,var(--hair) 90%,transparent)}
.svc-support .ico{flex:none}
.svc-support .ico svg{width:26px;height:26px;stroke:var(--highlight)}
.svc-support h4{font-size:1.2rem;letter-spacing:-.02em;margin-bottom:.35rem}
.svc-support p{color:var(--muted);font-size:.96rem;margin:0;max-width:62ch}
.svc-support .tags{margin:.9rem 0 0}

/* ---------- Products (large compositions) ---------- */
.prod{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(2.4rem,5.5vw,5rem);align-items:center}
.prod + .prod{margin-top:clamp(90px,12vw,160px)}
.badge{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--mono);font-size:.68rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--highlight)}
.badge .live{width:6px;height:6px;border-radius:50%;background:#34D399;box-shadow:0 0 0 0 rgba(52,211,153,.5);animation:blip 2.4s infinite}
@keyframes blip{0%{box-shadow:0 0 0 0 rgba(52,211,153,.45)}70%{box-shadow:0 0 0 7px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
.prod-copy h3{font-size:clamp(1.9rem,3.6vw,2.8rem);letter-spacing:-.035em;margin:1.2rem 0 .45rem}
.prod-copy .prod-sub{font-family:var(--mono);color:var(--highlight);font-size:.84rem;margin:0 0 1rem}
.prod-copy .desc{color:var(--muted);font-size:1.05rem;margin:0 0 1.8rem;max-width:46ch}
.feat{list-style:none;padding:0;margin:0 0 2rem;display:grid;gap:.8rem}
.feat li{display:flex;align-items:center;gap:.75rem;color:var(--text);font-size:.94rem}
.feat svg{width:16px;height:16px;flex:none;stroke:var(--violet)}
.prod-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--highlight);font-weight:500;font-size:.96rem}
.prod-link svg{width:16px;height:16px;transition:transform .45s var(--ease)}
.prod-link:hover svg{transform:translate(3px,-3px)}

/* product UI frames — the only remaining panels, deliberately soft */
.mock{position:relative;border:1px solid var(--card-border);border-radius:16px;background:var(--surface);
  overflow:hidden;box-shadow:0 50px 110px -60px rgba(0,0,0,.85)}
.mock-bar{display:flex;align-items:center;gap:.5rem;padding:.8rem 1.1rem}
.mock-bar .dots{display:flex;gap:.38rem}
.mock-bar .dots i{width:8px;height:8px;border-radius:50%;background:var(--card-border)}
.mock-bar .ttl{font-family:var(--mono);font-size:.7rem;color:var(--faint);letter-spacing:.05em}
.mock-bar .tag{margin-left:auto;font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;
  text-transform:uppercase;color:#34D399;display:flex;align-items:center;gap:.4rem}
.mock-bar .tag::before{content:"";width:5px;height:5px;border-radius:50%;background:#34D399}

.chat{display:flex;flex-direction:column;gap:.65rem;padding:.6rem 1.1rem 1.2rem}
.msg{max-width:84%;padding:.62rem .9rem;border-radius:15px;font-size:.855rem;line-height:1.5;position:relative}
.msg.in{align-self:flex-start;background:var(--surface);border:1px solid var(--card-border);border-bottom-left-radius:5px}
.msg.out{align-self:flex-end;background:var(--grad);color:var(--on-accent);border-bottom-right-radius:5px;font-weight:450}
.msg .ai{position:absolute;top:-8px;right:9px;font-family:var(--mono);font-size:.52rem;letter-spacing:.1em;
  background:var(--bg);color:var(--highlight);padding:.1rem .34rem;border-radius:4px}
.chat .leadrow{display:flex;align-items:center;gap:.45rem;align-self:flex-start;font-family:var(--mono);
  font-size:.65rem;letter-spacing:.07em;color:#34D399;margin-top:.15rem}
.chat .leadrow::before{content:"●";font-size:.55rem}
.chat .typing{align-self:flex-start;display:flex;gap:4px;padding:.7rem .9rem;background:var(--surface);
  border:1px solid var(--card-border);border-radius:15px;border-bottom-left-radius:5px}
.chat .typing i{width:5px;height:5px;border-radius:50%;background:var(--faint);animation:typing 1.3s infinite}
.chat .typing i:nth-child(2){animation-delay:.18s}
.chat .typing i:nth-child(3){animation-delay:.36s}
@keyframes typing{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.chat-foot{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1.1rem 1.1rem}
.chat-foot .k{font-family:var(--mono);font-size:.62rem;letter-spacing:.11em;text-transform:uppercase;color:var(--faint)}
.spark{display:flex;align-items:flex-end;gap:3px;height:24px}
.spark i{width:4px;border-radius:2px;background:var(--grad);opacity:.8}

.dash{display:grid;grid-template-columns:92px 1fr;min-height:330px}
.dash-side{padding:.4rem .6rem 1rem;display:flex;flex-direction:column;gap:.2rem}
.dash-side .di{display:flex;align-items:center;gap:.45rem;font-size:.66rem;color:var(--faint);padding:.42rem .45rem;border-radius:7px}
.dash-side .di.on{background:var(--surface);color:var(--text)}
.dash-side .di i{width:12px;height:12px;border-radius:3px;background:var(--card-border);flex:none}
.dash-side .di.on i{background:var(--grad)}
.dash-main{padding:.4rem 1.1rem 1.1rem;display:flex;flex-direction:column;gap:.9rem}
.dash-top{display:flex;align-items:center;gap:.65rem}
.dash-top .dh{font-weight:600;font-size:.98rem;letter-spacing:-.02em}
.dash-top .rt{font-family:var(--mono);font-size:.58rem;letter-spacing:.11em;text-transform:uppercase;
  color:#34D399;display:flex;align-items:center;gap:.32rem}
.dash-top .rt::before{content:"";width:5px;height:5px;border-radius:50%;background:#34D399}
.dash-top .av{margin-left:auto;display:flex}
.dash-top .av span{width:22px;height:22px;border-radius:50%;background:var(--grad);margin-left:-7px;opacity:.9}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.kpi .l{font-family:var(--mono);font-size:.56rem;letter-spacing:.09em;text-transform:uppercase;color:var(--faint)}
.kpi .v{font-size:1.3rem;font-weight:600;letter-spacing:-.025em;margin-top:.15rem;font-variant-numeric:tabular-nums}
.kpi .t{font-size:.6rem;color:#34D399;font-family:var(--mono)}
.dash-chart{flex:1;position:relative;min-height:112px;padding-top:.4rem}
.dash-chart .cap{font-family:var(--mono);font-size:.56rem;letter-spacing:.09em;text-transform:uppercase;color:var(--faint)}
.dash-chart svg{width:100%;height:100%;position:absolute;inset:auto 0 0 0}

/* ---------- Security (fully open — no wrapper box) ---------- */
.sec-block{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(2.6rem,5.5vw,5rem);align-items:center}
.sec-left h2{font-size:clamp(2rem,4.2vw,3.1rem)}
.sec-left p{color:var(--muted);margin:1.4rem 0 2.4rem;max-width:44ch;font-size:1.02rem}
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem 1.6rem}
.cap{display:flex;align-items:center;gap:.7rem;font-family:var(--mono);font-size:.74rem;
  letter-spacing:.05em;color:var(--text);transition:color .4s}
.cap svg{width:15px;height:15px;flex:none;stroke:var(--violet)}
.cap:hover{color:var(--highlight)}
.sec-right{display:flex;flex-direction:column;gap:1.4rem}
/* terminal stays a dark panel in both themes — a code surface reads better dark */
.term{border:1px solid rgba(255,255,255,.07);border-radius:13px;background:#0B0D14;overflow:hidden;
  font-family:var(--mono);font-size:.75rem;box-shadow:0 40px 90px -60px rgba(0,0,0,.9)}
.term-bar{display:flex;gap:.38rem;padding:.7rem .9rem}
.term-bar i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.14)}
.term-body{padding:.3rem 1rem 1.1rem;line-height:2;color:#98A0B4}
.term-body .p{color:#A78BFA}
.term-body .ok{color:#34D399}
.term-body .run{color:#A78BFA}
.term-body .cur{display:inline-block;width:7px;height:1em;background:#A78BFA;vertical-align:-2px;animation:blink 1.15s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.net{position:relative;min-height:130px}
.net svg{width:100%;height:100%}
.net .threat{stroke:#F87171;stroke-width:1.3;stroke-dasharray:5 8;fill:none;animation:dash 2.6s linear infinite}
.net .safe{stroke:var(--violet);stroke-opacity:.35;stroke-width:1.1;fill:none}
@keyframes dash{to{stroke-dashoffset:-104}}

/* ---------- Process pipeline ---------- */
.pipe{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.6rem,3vw,2.6rem)}
.pipe::before{content:"";position:absolute;top:24px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--hair) 8%,var(--hair) 92%,transparent)}
.pipe .line{position:absolute;top:24px;left:0;height:1px;width:0;background:var(--grad);
  transition:width 1.8s var(--ease)}
.pipe.in .line{width:100%}
.stage{position:relative;padding-top:54px}
.stage .dot{position:absolute;top:19px;left:0;width:11px;height:11px;border-radius:50%;
  background:var(--bg);border:1px solid var(--hair);transition:all .7s var(--ease)}
.pipe.in .stage .dot{border-color:var(--violet);background:var(--violet)}
.stage .no{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--violet)}
.stage h3{font-size:1.2rem;margin:.55rem 0 .6rem;letter-spacing:-.025em}
.stage p{color:var(--muted);font-size:.92rem;margin:0}

/* ---------- Why (typographic, no cards) ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(2.4rem,4.5vw,4rem)}
.why{position:relative;padding-top:1.9rem}
.why::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--hair),transparent);transition:background .5s}
.why:hover::before{background:linear-gradient(90deg,var(--violet),transparent)}
.why .ico{margin-bottom:1.3rem}
.why .ico svg{width:24px;height:24px;stroke:var(--highlight)}
.why h3{font-family:var(--mono);font-size:.76rem;font-weight:500;letter-spacing:.17em;
  text-transform:uppercase;color:var(--highlight);margin-bottom:.9rem}
.why p{color:var(--text);font-size:1.08rem;line-height:1.55;letter-spacing:-.02em;margin:0;opacity:.88}

/* ---------- Final CTA (open, glow-backed) ---------- */
.cta{position:relative;text-align:center;padding:clamp(1rem,4vw,3rem) 0;border:0;background:none}
.cta::before{content:"";position:absolute;inset:-60% -20%;z-index:-1;pointer-events:none;
  background:radial-gradient(46% 46% at 50% 50%,var(--l1),transparent 70%)}
.cta h2{font-size:clamp(2.3rem,6vw,4.2rem);letter-spacing:-.045em;margin-top:1.3rem}
.cta p{color:var(--muted);font-size:1.1rem;max-width:50ch;margin:1.5rem auto 2.4rem}
.cta-actions{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}
.cta .mailto{display:inline-block;margin-top:1.9rem;font-family:var(--mono);font-size:.8rem;
  letter-spacing:.07em;color:var(--faint);transition:color .35s}
.cta .mailto:hover{color:var(--highlight)}

/* ---------- Footer ---------- */
footer{position:relative;z-index:2;padding:clamp(70px,8vw,100px) 0 2.6rem;background:none}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--hair) 16%,var(--hair) 84%,transparent)}
.foot{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:2.4rem;margin-bottom:3.4rem}
.foot-brand p{color:var(--muted);font-size:.92rem;max-width:30ch;margin:1.1rem 0 0}
.foot h4{font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--faint);margin:0 0 1.2rem;font-weight:500}
.foot a,.foot .txt{display:block;color:var(--muted);font-size:.92rem;margin:.55rem 0;transition:color .3s}
.foot a:hover{color:var(--text)}
.foot-bot{position:relative;display:flex;justify-content:space-between;align-items:center;gap:1rem;
  flex-wrap:wrap;padding-top:2rem;color:var(--faint);font-size:.82rem}
.foot-bot::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--hair) 16%,var(--hair) 84%,transparent)}
.socials{display:flex;gap:.5rem}
.socials a{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--card-border);color:var(--muted);transition:.45s var(--ease)}
.socials a:hover{color:var(--text);border-color:var(--hair);transform:translateY(-3px)}
.socials svg{width:16px;height:16px}

/* ---------- Reveal (gated on .js so content never stays hidden) ---------- */
.js .rev{opacity:0;transform:translateY(15px);
  transition:opacity .75s cubic-bezier(.22,1,.36,1),transform .75s cubic-bezier(.22,1,.36,1)}
.rev.in{opacity:1;transform:none}
.rev.d1{transition-delay:.07s}
.rev.d2{transition-delay:.14s}
.rev.d3{transition-delay:.21s}

/* ---------- Preloader / progress ---------- */
.pre{position:fixed;inset:0;z-index:100;background:var(--bg);display:grid;place-items:center;
  transition:opacity .6s,visibility .6s}
.pre.done{opacity:0;visibility:hidden}
.pre svg{width:58px;height:58px;animation:pulse 1.6s var(--ease) infinite}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(.88);opacity:.5}}
html:not(.js) .pre{display:none}
.progress{position:fixed;top:0;left:0;height:1.5px;width:0;background:var(--grad);z-index:70}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .svc-grid,.why-grid{grid-template-columns:1fr 1fr}
  .pipe{grid-template-columns:1fr 1fr;gap:2.2rem}
  .pipe::before,.pipe .line{display:none}
  .stage{padding-top:0}
  .stage .dot{display:none}
  .prod,.sec-block{grid-template-columns:1fr}
  .prod .prod-copy{order:-1}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .nav-links{display:none}
  .nav-cta .btn-primary{display:none}
  .burger{display:flex}
  .svc-grid,.why-grid,.pipe,.kpis,.cap-grid{grid-template-columns:1fr}
  .hero-meta{gap:1.1rem}
  .strip-track{justify-content:flex-start;gap:.8rem 1.6rem}
  .strip-track span{gap:1.6rem}
  section{padding:clamp(72px,16vw,100px) 0}
}

/* =========================================================
   LIGHT THEME — same atmosphere, inverted ground
   ========================================================= */
:root[data-theme="light"]{
  --bg:#FFFFFF;
  --surface:rgba(12,18,32,.022);
  --card-border:rgba(12,18,32,.07);
  --hair:rgba(12,18,32,.11);

  --text:#0C1220;
  --muted:#54607A;
  --faint:#7A8296;

  --violet:#4F46E5;
  --indigo:#6366F1;
  --cyan:#0891B2;
  --highlight:#4F46E5;
  --grad:linear-gradient(110deg,#6D28D9 0%,#4F46E5 100%);
  --on-accent:#FFFFFF;

  --l1:rgba(99,102,241,.13);
  --l2:rgba(139,92,246,.10);
  --l3:rgba(34,211,238,.07);
  --l4:rgba(79,70,229,.09);
  --l5:rgba(99,102,241,.08);
}
:root[data-theme="light"] .cursor-glow{display:none}
:root[data-theme="light"] .nav.scrolled .nav-in{background:rgba(255,255,255,.7)}
:root[data-theme="light"] .mobile{background:rgba(255,255,255,.96)}
:root[data-theme="light"] .mock{box-shadow:0 50px 110px -60px rgba(12,18,32,.35)}
:root[data-theme="light"] .btn-primary{box-shadow:0 14px 44px -18px rgba(79,70,229,.5)}
:root[data-theme="light"] .btn-primary:hover{box-shadow:0 20px 60px -18px rgba(79,70,229,.65)}
:root[data-theme="light"] .msg .ai{background:#FFFFFF}
:root[data-theme="light"] .theme-toggle .sun{display:none}
:root[data-theme="light"] .theme-toggle .moon{display:block}
:root[data-theme="light"] .stage .dot{background:#FFFFFF}