:root{
  --tb-blue:#2980B9;
  --tb-blue-deep:#004CF3;
  --tb-purple:#5221CB;
  --tb-purple-2:#6319C3;
  --tb-coral:#F66060;
  --tb-pink:#D4527A;
  --tb-orange:#FBA536;
  --tb-ink:#101820;
  --tb-muted:#66747b;
  --tb-bg:#f7f8fb;
  --tb-surface:#ffffff;
  --tb-soft:#f1f3f8;
  --tb-border:#e4e7ef;
  --tb-success:#258c62;
  --tb-shadow:0 20px 55px rgba(16,24,32,.10);
  --tb-radius:24px;
  --tb-max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Arial,Helvetica,sans-serif;
  background:var(--tb-bg);
  color:var(--tb-ink);
  line-height:1.65
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(var(--tb-max),calc(100% - 40px));margin:0 auto}
.section{padding:88px 0}
.section-soft{background:var(--tb-soft)}
.section-dark{background:#101318;color:#fff}
.section-dark p{color:#bdc5cf}
.section-title{max-width:790px;margin-bottom:42px}
.eyebrow{
  display:inline-block;
  font-size:.8rem;font-weight:900;text-transform:uppercase;letter-spacing:.13em;
  color:var(--tb-purple);margin-bottom:12px
}
h1,h2,h3{line-height:1.08}
h1{font-size:clamp(2.7rem,7vw,5.5rem);letter-spacing:-.045em;max-width:920px}
h2{font-size:clamp(2rem,4vw,3.2rem);letter-spacing:-.035em;margin-bottom:18px}
h3{font-size:1.28rem;margin-bottom:10px}
p{color:var(--tb-muted)}
.lead{font-size:1.18rem;max-width:800px}
.kicker{color:var(--tb-blue);font-weight:800}
.gradient-text{
  background:linear-gradient(90deg,var(--tb-purple),var(--tb-blue-deep),var(--tb-coral));
  -webkit-background-clip:text;background-clip:text;color:transparent
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:50px;
  padding:0 22px;border-radius:999px;font-weight:900;border:1px solid transparent;
  transition:.2s ease
}
.btn-primary{background:linear-gradient(90deg,var(--tb-purple),var(--tb-blue));color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(82,33,203,.23)}
.btn-secondary{background:#fff;border-color:var(--tb-border)}
.btn-secondary:hover{border-color:var(--tb-purple);color:var(--tb-purple)}
header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,231,239,.9)
}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo-link{display:flex;align-items:center}
.logo{width:168px;height:auto}
.nav-links{display:flex;gap:24px;align-items:center;font-size:.94rem;font-weight:800}
.hero{
  padding:96px 0 84px;overflow:hidden;
  background:
    radial-gradient(circle at 88% 15%,rgba(251,165,54,.18),transparent 26%),
    radial-gradient(circle at 78% 56%,rgba(246,96,96,.16),transparent 28%),
    radial-gradient(circle at 9% 18%,rgba(82,33,203,.14),transparent 30%),
    linear-gradient(180deg,#fff,#f6f7fb)
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center}
.hero p{margin-top:24px;font-size:1.18rem;max-width:760px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-card{
  background:#fff;border:1px solid var(--tb-border);border-radius:32px;
  box-shadow:var(--tb-shadow);padding:28px;position:relative;overflow:hidden
}
.hero-card:before{
  content:"";position:absolute;inset:-70px -70px auto auto;width:180px;height:180px;border-radius:50%;
  background:linear-gradient(135deg,var(--tb-orange),var(--tb-coral));opacity:.12
}
.sensor-line{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid var(--tb-border)}
.sensor-line:last-child{border-bottom:0}
.sensor-name{font-weight:900}
.sensor-value{font-weight:900;color:var(--tb-purple)}
.status{
  display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:9px 13px;border-radius:999px;
  background:#eaf7f1;color:var(--tb-success);font-weight:900;font-size:.9rem
}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.value-card,.case,.offer,.content-card{
  background:#fff;border:1px solid var(--tb-border);border-radius:var(--tb-radius)
}
.value-card{padding:26px}
.icon-badge{
  width:46px;height:46px;display:grid;place-items:center;border-radius:14px;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(82,33,203,.12),rgba(41,128,185,.14));font-size:1.5rem
}
.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.problem-list{display:grid;gap:14px}
.problem-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
  padding:18px 20px;border-radius:18px
}
.offers-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.offer{padding:30px;display:flex;flex-direction:column;gap:18px}
.offer-top{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}
.offer-badge{
  font-size:.78rem;font-weight:900;padding:8px 11px;border-radius:999px;
  color:#fff;background:linear-gradient(90deg,var(--tb-purple),var(--tb-blue))
}
.offer ul,.content-card ul{padding-left:20px;color:var(--tb-muted)}
.offer-price{margin-top:auto;padding-top:8px;font-size:1.05rem}
.offer-price strong{font-size:1.42rem;color:var(--tb-ink)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{padding:24px;background:#fff;border-radius:20px;border-top:4px solid var(--tb-purple)}
.step-number{font-size:2rem;font-weight:900;color:var(--tb-purple);margin-bottom:12px}
.platform-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.diagram{background:#fff;border:1px solid var(--tb-border);border-radius:28px;padding:32px;box-shadow:var(--tb-shadow)}
.diagram-step{padding:16px;text-align:center;background:var(--tb-soft);border-radius:14px;font-weight:900}
.arrow{text-align:center;font-size:1.5rem;color:var(--tb-coral);padding:8px}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{padding:25px}
.cta{text-align:center}
.cta-box{
  color:#fff;border-radius:34px;padding:62px 32px;
  background:
    radial-gradient(circle at 90% 10%,rgba(251,165,54,.45),transparent 24%),
    linear-gradient(120deg,var(--tb-purple),var(--tb-blue-deep),var(--tb-blue))
}
.cta-box p{color:rgba(255,255,255,.82);max-width:720px;margin:0 auto 28px}
.cta-box .btn-primary{background:#fff;color:var(--tb-purple)}
.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.content-card{padding:30px}
.metric{
  background:#fff;border:1px solid var(--tb-border);border-radius:20px;padding:22px;
  box-shadow:0 12px 30px rgba(16,24,32,.06)
}
.metric strong{display:block;font-size:2rem;color:var(--tb-purple)}
.breadcrumbs{font-size:.9rem;color:var(--tb-muted);margin-bottom:22px}
.breadcrumbs a{color:var(--tb-purple);font-weight:700}
footer{background:#0c1015;color:#fff;padding:46px 0}
.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
.footer-logo{width:155px;height:auto}
footer p{color:#9da8b3;font-size:.9rem}
@media(max-width:900px){
  .hero-grid,.problem-grid,.platform-grid,.content-grid{grid-template-columns:1fr}
  .value-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .cases-grid{grid-template-columns:1fr 1fr}
  .nav-links a:not(.btn){display:none}
}
@media(max-width:650px){
  .offers-grid,.value-grid,.steps,.cases-grid{grid-template-columns:1fr}
  .hero{padding-top:68px}.section{padding:64px 0}
  .container{width:min(var(--tb-max),calc(100% - 28px))}
  .hero-actions{flex-direction:column}.hero-actions .btn{width:100%}
  .logo{width:145px}
}