/* Modern, airy, minimal */
:root{
  --text:#0f172a; --muted:#475569; --bg:#f8fafc; --line:#e2e8f0; --card:#fff;
  --g1:#6d28d9; --g2:#a78bfa; --g3:#2563eb; --g4:#93c5fd;
  --radius:18px; --shadow:0 10px 30px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(#fff,var(--bg));color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1120px;margin:0 auto;padding:0 16px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.8);backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand .logo{height:84px;width:auto}
.brand-name{letter-spacing:.2px}
.nav-links{display:none;gap:20px;align-items:center}
.nav-links a{font-size:14px;color:#0f172a99}
.nav-links .nav-cta{padding:10px 14px;border:1px solid var(--line);border-radius:999px}
.hamburger{display:inline-flex;border:0;background:transparent;font-size:24px}
.hero{padding:72px 0}
.hero-in{display:grid;gap:28px;align-items:center}
.hero-text h1{font-size:40px;line-height:1.1;margin:0 0 14px;font-weight:800;letter-spacing:-.02em}
.accent{background:linear-gradient(90deg,var(--g1),var(--g2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:18px;max-width:620px}
.actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:12px;padding:12px 16px;font-weight:700;cursor:pointer}
.btn-primary{color:#fff;background:linear-gradient(90deg,var(--g1),var(--g2))}
.btn-ghost{background:#fff;border:1px solid var(--line)}
.hero-media img{border-radius:16px;box-shadow:var(--shadow)}
.section{padding:64px 0}
.thin{max-width:880px}
.muted{color:var(--muted)}
.cards .grid{display:grid;gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.card-img{height:160px;width:100%;object-fit:cover}
.card-body{padding:18px}
.pricing .grid{display:grid;gap:20px}
.card-pop{border:1px solid transparent;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(90deg,var(--g1),var(--g3)) border-box}
.badge{display:inline-block;font-size:12px;padding:6px 10px;border-radius:999px;background:#f1f5f9;margin-bottom:6px}
.list{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:6px}
.price{font-weight:800;margin:.2rem 0}
.price.sm{font-weight:700;font-size:16px;opacity:.9}
.features .pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.pill{border:1px solid var(--line);padding:8px 10px;border-radius:999px;background:#fff;font-size:14px}
.grid.compact{display:grid;gap:12px;grid-template-columns:repeat(1,1fr)}
.feature{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px}
.form{padding:16px}
.form-grid{display:grid;gap:12px;grid-template-columns:1fr}
.form-grid label{display:grid;gap:6px;font-size:14px}
.form-grid input,.form-grid textarea{padding:12px 14px;border:1px solid var(--line);border-radius:12px;font:inherit}
.form-grid .full{grid-column:1/-1}
.form-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:8px}
.contact-text{color:var(--muted)}

.site-footer{border-top:1px solid var(--line);background:#fff}
.foot{display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:space-between;padding:22px 0}
.foot .brand .logo{height:84px}

@media (min-width:768px){
  .nav-links{display:flex}
  .hamburger{display:none}
  .hero{padding:96px 0}
  .hero-in{grid-template-columns:1.2fr 1fr}
  .hero-text h1{font-size:56px}
  .cards .grid{grid-template-columns:repeat(3,1fr)}
  .pricing .grid{grid-template-columns:repeat(3,1fr)}
  .grid.compact{grid-template-columns:repeat(3,1fr)}
  .form-grid{grid-template-columns:1fr 1fr}
}

.pricing-card {
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}
.pricing-card.selected {
  border: 2px solid #7e3af2;
  box-shadow: 0 8px 24px rgba(126,58,242,0.3);
}

/* --- Pricing selection (added) --- */
.pricing .card{cursor:pointer;transition:box-shadow .2s ease,border-color .2s ease,transform .02s ease}
.pricing .card:hover{box-shadow:0 12px 32px rgba(15,23,42,.08)}
.pricing .card.selected{border:1px solid transparent;background:
  linear-gradient(#fff,#fff) padding-box,
  linear-gradient(90deg,var(--g1),var(--g3)) border-box;
  box-shadow:0 16px 36px rgba(15,23,42,.12)}
.pricing .card.selected .price{color:var(--g1)}

/* --- Pricing interactive frame + button (added) --- */
.pricing .card{position:relative;transition:box-shadow .25s ease, transform .02s ease, border-color .25s ease}
.pricing .card .btn-inline{display:none;margin-top:10px}
.pricing .card.card-pop .btn-inline{display:inline-flex}
.pricing .card.card-pop{border:1px solid transparent;background:
  linear-gradient(#fff,#fff) padding-box,
  linear-gradient(90deg,var(--g1),var(--g3)) border-box;
  box-shadow:0 16px 36px rgba(15,23,42,.12)}

/* --- Responsive logo fix (added) --- */
.site-header .brand .logo{ height: clamp(32px, 8vh, 72px); width: auto }
.site-header .nav{ min-height: clamp(64px, 10vh, 96px) }

@media (min-width:768px){
  .site-header .brand .logo{ height: 72px }
  .site-header .nav{ min-height: 96px }
}

.about-text { font-size: 1rem; line-height: 1.6; margin-bottom: 1em; color: #333; }

/* --- Anchor offset for sticky header (added) --- */
html { scroll-padding-top: clamp(64px, 10vh, 96px); }
section[id] { scroll-margin-top: clamp(64px, 10vh, 96px); }

/* --- Logo slogan gradient style (updated size) --- */
.logo-slogan {
  background: linear-gradient(to right, #6d28d9, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  white-space: nowrap;
  font-size: clamp(0.85rem, 3.4vw, 2.125rem); /* адаптивный размер: от 16px до 40px */
}