:root{
  --bg:#071018; --bg2:#0b1822; --panel:#101d28; --panel2:#142635; --ink:#f3f8fb; --muted:#b8c6cf; --line:rgba(255,255,255,.12);
  --brand:#20c47a; --brand2:#1ba9e8; --accent:#e1b24a; --danger:#ff5a66; --shadow:0 24px 70px rgba(0,0,0,.34);
  --radius:22px; --max:1180px; --header:78px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;line-height:1.55} a{color:inherit;text-decoration:none} img{max-width:100%;display:block} button,input,select,textarea{font:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.eyebrow{color:var(--brand);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem}.section{padding:88px 0}.section-tight{padding:56px 0}.section-title{font-size:clamp(2rem,4vw,3.4rem);line-height:1.06;margin:10px 0 16px}.section-lead{font-size:1.12rem;color:var(--muted);max-width:860px}.muted{color:var(--muted)}.accent{color:var(--brand)}
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;height:var(--header);display:flex;align-items:center;background:linear-gradient(180deg,rgba(7,16,24,.86),rgba(7,16,24,.50));backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08);transition:.25s}.site-header.scrolled{background:rgba(7,16,24,.96);box-shadow:0 12px 40px rgba(0,0,0,.25)}.nav{display:flex;align-items:center;gap:18px}.brand-wrap{display:flex;align-items:center;gap:18px;min-width:320px}.brand{display:flex;align-items:center}.brand img{height:36px;width:auto}.main-menu{display:flex;align-items:center;gap:18px;margin-left:auto}.main-menu a{font-size:.93rem;color:#e8f3f8;opacity:.88}.main-menu a:hover{opacity:1;color:var(--brand)}.contronics-link{display:flex;align-items:center}.contronics-link img{height:42px;width:auto;opacity:.98}.langs{display:flex;align-items:center;gap:7px;border-left:1px solid var(--line);padding-left:12px}.flag{font-size:1.28rem;line-height:1;border-radius:999px;padding:4px 5px;background:rgba(255,255,255,.07)}.flag.active{outline:2px solid var(--brand)}.nav-toggle{display:none;margin-left:auto;background:transparent;border:1px solid var(--line);color:#fff;border-radius:12px;padding:9px 12px}
.hero{min-height:100vh;display:flex;align-items:center;position:relative;isolation:isolate;overflow:hidden;padding:120px 0 80px}.hero video,.hero .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-3}.hero .poster{background:url('img/c7-use-remove.webp') center/cover no-repeat}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,11,16,.92),rgba(5,11,16,.68),rgba(5,11,16,.32)),radial-gradient(circle at 70% 25%,rgba(32,196,122,.22),transparent 30%);z-index:-1}.hero-grid{display:grid;grid-template-columns:1.05fr .7fr;gap:42px;align-items:end}.hero h1{font-size:clamp(2.8rem,7vw,6rem);letter-spacing:-.055em;line-height:.92;margin:10px 0 18px}.hero p{font-size:clamp(1.05rem,2.2vw,1.38rem);color:#d7e7ee;max-width:750px}.hero-card{background:linear-gradient(180deg,rgba(16,29,40,.82),rgba(16,29,40,.60));border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;max-width:430px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.hero-card h2{margin:0 0 10px}.hero-card p{font-size:1rem}.hero-card b{color:#fff}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.stat{border:1px solid var(--line);border-radius:18px;padding:14px;background:rgba(255,255,255,.06)}.stat strong{display:block;font-size:1.7rem;color:#fff}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;padding:13px 20px;font-weight:800;border:1px solid transparent;transition:.2s}.btn.primary{background:linear-gradient(135deg,var(--brand),#19a7a7);color:#041014}.btn.secondary{border-color:rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff}.btn:hover{transform:translateY(-2px)}
.problem-grid,.benefit-grid,.family-grid,.app-grid{display:grid;gap:18px}.problem-grid{grid-template-columns:repeat(3,1fr);margin-top:34px}.card{background:linear-gradient(180deg,rgba(20,38,53,.82),rgba(13,26,37,.86));border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 18px 52px rgba(0,0,0,.20)}.card h3{margin:0 0 10px;font-size:1.28rem}.card p{color:var(--muted);margin:0}.icon{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;background:rgba(32,196,122,.12);color:var(--brand);font-size:1.35rem;margin-bottom:16px}.split{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center}.image-stack{position:relative}.image-stack img{border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.10)}.image-stack .small{position:absolute;right:-18px;bottom:-22px;width:42%;background:#fff;padding:8px}.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.pill{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);border-radius:999px;padding:8px 12px;color:#dce9ef;font-size:.92rem}.family-grid{grid-template-columns:repeat(4,1fr);margin-top:34px}.family-card{overflow:hidden;padding:0}.family-card img{height:210px;width:100%;object-fit:contain;background:linear-gradient(135deg,#e8eef1,#ffffff)}.family-card .body{padding:22px}.family-card .tag{font-size:.78rem;color:var(--accent);font-weight:800;text-transform:uppercase;letter-spacing:.08em}.feature-list{margin:14px 0 0;padding:0;list-style:none}.feature-list li{padding:8px 0;border-top:1px solid rgba(255,255,255,.08);color:var(--muted)}.feature-list li:before{content:"✓";color:var(--brand);font-weight:900;margin-right:8px}.dark-band{background:linear-gradient(180deg,#08131c,#0e1b25);border-block:1px solid var(--line)}.compare-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-top:30px}.compare{width:100%;border-collapse:collapse;min-width:860px;background:rgba(16,29,40,.85)}.compare th,.compare td{padding:16px;border-bottom:1px solid rgba(255,255,255,.09);vertical-align:top}.compare th{background:rgba(255,255,255,.07);text-align:left;color:#fff}.compare td{color:#c9d7de}.compare tr:last-child td{border-bottom:0}.compare .yes{color:var(--brand);font-weight:800}.compare .no{color:#f8b1b7;font-weight:800}.highlight{border:1px solid rgba(32,196,122,.35);background:radial-gradient(circle at 20% 0,rgba(32,196,122,.18),transparent 34%),linear-gradient(180deg,rgba(20,38,53,.90),rgba(10,23,33,.95));border-radius:calc(var(--radius) + 10px);padding:34px}.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:30px}.gallery figure{margin:0;position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line);background:#132431}.gallery img{width:100%;height:100%;object-fit:cover;transition:.3s}.gallery figure.show-full img{object-fit:contain;background:#0f1c27}.gallery figure:hover img{transform:scale(1.035)}.gallery figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.82));padding:38px 14px 12px;font-size:.9rem}.span-6{grid-column:span 6}.span-4{grid-column:span 4}.span-3{grid-column:span 3}.h-260{height:260px}.h-360{height:360px}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.video-card{position:relative;overflow:hidden}.video-thumb{height:220px;border-radius:18px;object-fit:cover;margin-bottom:16px}.play{position:absolute;top:92px;left:50%;transform:translate(-50%,-50%);width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:rgba(32,196,122,.92);color:#061016;font-weight:900;font-size:1.4rem}.app-grid{grid-template-columns:repeat(4,1fr);margin-top:28px}.contact-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:28px;align-items:start}.contact-box{position:sticky;top:98px}.contact-line{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.09)}.contact-line strong{display:block;color:#fff}.lead-form{display:grid;gap:14px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field label,.choice-label{display:block;margin-bottom:6px;color:#e9f3f8;font-weight:700}.field input,.field textarea,.field select{width:100%;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.07);color:#fff;border-radius:14px;padding:13px 14px;outline:none}.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(32,196,122,.12)}.choices{display:flex;gap:10px;flex-wrap:wrap}.choice{display:flex;align-items:center;gap:8px;padding:11px 13px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);border-radius:14px}.form-status{min-height:24px;color:var(--muted)}.form-status.error{color:#ffb8bf}.form-status.success{color:#8bf0b8}.site-footer{padding:42px 0;border-top:1px solid var(--line);background:#050d13}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.footer-grid img{height:46px;width:auto}.tiny{font-size:.88rem;color:#93a6b0}.reveal{opacity:0;transform:translateY(18px);animation:rise .7s ease forwards}@keyframes rise{to{opacity:1;transform:none}}
@media(max-width:980px){.nav-toggle{display:block}.main-menu{position:absolute;top:calc(var(--header) - 1px);left:20px;right:20px;display:none;flex-direction:column;align-items:stretch;background:rgba(7,16,24,.98);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow)}.main-menu.open{display:flex}.langs{border-left:0;padding-left:0}.hero-grid,.split,.contact-grid{grid-template-columns:1fr}.problem-grid,.family-grid,.app-grid,.video-grid{grid-template-columns:1fr 1fr}.hero-card{max-width:430px}.image-stack .small{position:relative;right:auto;bottom:auto;width:70%;margin:-34px 0 0 auto}.contact-box{position:static}.span-6,.span-4,.span-3{grid-column:span 6}.brand-wrap{min-width:auto;gap:12px}.brand img{height:32px}.contronics-link img{height:34px}}
@media(max-width:650px){.container{width:min(var(--max),calc(100% - 26px))}.section{padding:64px 0}.hero{padding-top:110px}.brand-wrap{gap:10px}.brand img{height:26px}.contronics-link img{height:28px}.problem-grid,.family-grid,.app-grid,.video-grid,.form-row{grid-template-columns:1fr}.hero-stats{grid-template-columns:1fr}.gallery{grid-template-columns:1fr}.span-6,.span-4,.span-3{grid-column:span 1}.h-260,.h-360{height:260px}.footer-grid{grid-template-columns:1fr}.site-header{height:72px}.hero h1{font-size:3rem}}


/* v5 header corrections */
.brand-wrap{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:center;
  gap:4px;
  min-width:260px;
  flex:0 0 auto;
}
.contronics-link{
  display:flex;
  align-items:center;
  padding:0;
}
.contronics-link img{
  height:34px;
  width:auto;
  max-width:230px;
  opacity:1;
  object-fit:contain;
}
.brand{
  display:flex;
  align-items:center;
  min-width:0;
}
.brand img{
  height:24px;
  width:auto;
  max-width:230px;
  object-fit:contain;
}
.main-menu{
  margin-left:auto;
}
.langs{
  display:flex;
  align-items:center;
  gap:8px;
  border-left:1px solid var(--line);
  padding-left:12px;
}
.flag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:24px;
  padding:0;
  border-radius:4px;
  overflow:hidden;
  background:transparent;
  border:1px solid rgba(255,255,255,.22);
}
.flag img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.flag.active{
  outline:2px solid var(--brand);
  outline-offset:2px;
}
@media(max-width:980px){
  .brand-wrap{min-width:auto}
  .contronics-link img{height:30px;max-width:190px}
  .brand img{height:20px;max-width:190px}
}
@media(max-width:650px){
  .brand-wrap{gap:3px}
  .contronics-link img{height:24px;max-width:150px}
  .brand img{height:17px;max-width:150px}
  .flag{width:30px;height:20px}
}


/* v6 SEO YouTube link */
.youtube-link{
  margin-top:12px;
}
.youtube-link a{
  color:var(--brand);
  font-weight:800;
  text-decoration:underline;
  text-underline-offset:3px;
}


/* v7 YouTube band */
.youtube-band{
  padding:36px 0;
  background:linear-gradient(180deg,rgba(16,29,40,.92),rgba(10,23,33,.96));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.youtube-band .section-lead{
  margin:0;
  max-width:1050px;
}
.youtube-link a{
  color:var(--brand);
  font-weight:800;
  text-decoration:underline;
  text-underline-offset:3px;
}