:root{
  /* основной фон */
  --bg: #f1f5f9;          /* светло-сине-серый */
  --bg-alt: #e2e8f0;      /* секции */
  
  /* текст */
  --text: #0f172a;
  --muted: #475569;

  /* границы */
  --border: rgba(15,23,42,.10);

  /* тени */
  --shadow: 0 18px 50px rgba(15,23,42,.15);

  /* скругления */
  --radius: 22px;

  /* брендовый синий */
  --accent: #2563eb;

  /* мягкий синий фон */
  --accent-soft: rgba(37,99,235,.12);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; background:var(--bg); color:var(--text); }
body{
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a{ color:inherit; text-decoration:none; }
.container{ width:min(1160px, 92vw); margin:0 auto; }

.topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar__inner{
  height: 60px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
}
.brand{
  font-weight: 650;
  letter-spacing: -0.02em;
}
.brand__dot{ color: var(--accent); }
.nav{
  display:flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}
.nav a:hover{ color: var(--text); }
.topbar__actions{
  display:flex;
  align-items:center;
  gap: 14px;
}

.link{
  color: var(--muted);
  font-size: 14px;
}
.link:hover{ color: var(--text); }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn--primary{
  background: var(--accent);
  border-color: transparent;
  color: #fff;
}
.btn--ghost{
  background: transparent;
  color: var(--text);
}

.hero{
  padding: 90px 0 70px;
  background:
    radial-gradient(900px 600px at 20% 10%, rgba(26,115,255,.18), transparent 60%),
    radial-gradient(900px 600px at 80% 30%, rgba(0,0,0,.06), transparent 60%),
    linear-gradient(#fff, #fff);
}
}
.hero__inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items:center;
}
.eyebrow{
  margin:0 0 10px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.h1{
  margin: 0 0 14px;
  font-size: clamp(40px, 4.5vw, 68px);
  line-height: 1.03;
  letter-spacing: -0.03em;
}
.lead{
  margin: 0 0 22px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 52ch;
}
.hero__cta{ display:flex; gap: 12px; flex-wrap: wrap; }
.micro{
  margin: 16px 0 0;
  font-size: 12.5px;
  color: var(--muted);
}

.hero__visual{
  display:flex;
  justify-content:center;
}
.mock{
  width: min(520px, 90%);
  border-radius: calc(var(--radius) + 8px);
  background: rgba(255,255,255,.75);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.mock__bar{
  height: 44px;
  background: rgba(0,0,0,.04);
  border-bottom: 1px solid var(--border);
}
.mock__content{
  padding: 22px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items:flex-start;
}
.pill{
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(26,115,255,.10);
  border: 1px solid rgba(26,115,255,.18);
  font-size: 13px;
  font-weight: 600;
}
.chart{
  width: 100%;
  height: 200px;
  margin-top: 14px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(26,115,255,.18), rgba(0,0,0,.03));
  border: 1px solid var(--border);
}

.section{ padding: 90px 0; }
.section--alt{ background: var(--bg-alt); }

.h2{
  margin: 0 0 10px;
  font-size: clamp(28px, 3vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.h2--small{ font-size: clamp(24px, 2.6vw, 34px); }
.sublead{
  margin: 0 0 34px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
  max-width: 68ch;
}

.grid{
  display:grid;
  gap: 18px;
}
.grid--3{ grid-template-columns: repeat(3, 1fr); }
.grid--2{ grid-template-columns: repeat(2, 1fr); }

.card{
  background: rgba(255,255,255,.9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
}
.card--flat{ box-shadow:none; background:#fff; }

.h3{ margin:0 0 8px; font-size: 18px; letter-spacing:-0.01em; }
.p{ margin:0; color: var(--muted); line-height:1.6; font-size: 14.8px; }

.feature{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items:center;
  padding: 28px;
  background: rgba(255,255,255,.85);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 8px);
  margin-top: 18px;
}
.feature--reverse{ grid-template-columns: 1fr 1fr; }
.feature--reverse .feature__copy{ order: 2; }
.feature--reverse .feature__media{ order: 1; }

.list{
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
  font-size: 14.5px;
}
.mediaBox{
  height: 320px;
  border-radius: calc(var(--radius) + 8px);
  background:
    radial-gradient(500px 300px at 30% 20%, rgba(26,115,255,.20), transparent 60%),
    linear-gradient(135deg, rgba(0,0,0,.04), rgba(0,0,0,.02));
  border: 1px solid var(--border);
}
.mediaBox--soft{
  background:
    radial-gradient(500px 300px at 70% 30%, rgba(26,115,255,.14), transparent 60%),
    linear-gradient(135deg, rgba(0,0,0,.03), rgba(0,0,0,.015));
}

.faq details{
  background: rgba(255,255,255,.9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 10px 0;
}
.faq summary{
  cursor:pointer;
  font-weight: 650;
}
.faq p{
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.contact{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items:start;
}
.form{
  background: rgba(255,255,255,.9);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 8px);
  padding: 18px;
}
label{ display:block; margin-bottom: 12px; }
label span{ display:block; font-size: 12.5px; color: var(--muted); margin-bottom: 6px; }
input, textarea{
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  outline: none;
  font: inherit;
  background: #fff;
}
input:focus, textarea:focus{ border-color: rgba(26,115,255,.45); }

.disclaimer{
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 12.5px;
}

.footer{
  padding: 26px 0;
  border-top: 1px solid var(--border);
}
.footer__inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__links{ display:flex; gap: 14px; }

/* Responsive */
@media (max-width: 900px){
  .nav{ display:none; }
  .hero__inner{ grid-template-columns: 1fr; }
  .grid--3{ grid-template-columns: 1fr; }
  .grid--2{ grid-template-columns: 1fr; }
  .feature{ grid-template-columns: 1fr; }
  .feature--reverse .feature__copy{ order: 1; }
  .feature--reverse .feature__media{ order: 2; }
  .contact{ grid-template-columns: 1fr; }
}
.brand{
  font-weight: 650;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand__logo{
  height: 48px;
  width: auto;
  display: block;
}

.brand__text{
  display: inline-block;
}
.callout{
  margin-top: 22px;
  padding: 22px;
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.85);
}

.muted{ color: var(--muted); }

.fineprint{
  width: 100%;
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

.founder{
  display:grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items:center;
}

.founder__placeholder{
  height: 280px;
  border-radius: 28px;
  background: linear-gradient(135deg,#e2e8f0,#cbd5e1);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#475569;
  font-size:14px;
  border:1px solid var(--border);
}

.founder__name{
  margin-bottom:12px;
}

@media (max-width:900px){
  .founder{
    grid-template-columns:1fr;
  }
}

.founders{
  display:grid;
  grid-template-columns: 1fr;
  gap: 60px;
  margin-top: 30px;
}

.founder{
  display:grid;
  grid-template-columns: 260px 1fr;
  gap: 36px;
  align-items:center;
}

.founder__placeholder{
  height:260px;
  border-radius:28px;
  background: linear-gradient(135deg,#dbeafe,#cbd5e1);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#475569;
  font-size:14px;
  border:1px solid var(--border);
}

@media (max-width:900px){
  .founder{
    grid-template-columns:1fr;
  }
}

.founder__photo img{
  width: 100%;
  max-width: 260px;
  height: 260px;
  object-fit: cover;
  border-radius: 28px;
  border: 1px solid var(--border);
}
.feature__image{
  width: 100%;
  border-radius: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

/* База: рамка для картинки */
.mediaBox{
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #e2e8f0;

  /* вместо фиксированной высоты — пропорции */
  aspect-ratio: 16 / 10;
  height: auto;
}

.feature__image{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}