:root {
  --bg: #0b1219;
  --bg-2: #111c27;
  --card: #152231;
  --ink: #f2f7fb;
  --muted: #8fa3b8;
  --line: rgba(255,255,255,.08);
  --teal: #00c9d4;
  --teal-2: #5de8ef;
  --gold: #f0c060;
  --gold-2: #ffe4a8;
  --radius: 20px;
  --shadow: 0 30px 80px rgba(0,0,0,.45);
  --font: "Manrope", system-ui, sans-serif;
  --display: "Unbounded", system-ui, sans-serif;
  --max: 1180px;
  --gutter: clamp(1rem, 3vw, 1.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; font-family: var(--font); color: var(--ink);
  background: var(--bg); line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.container { width: min(var(--max), 100% - var(--gutter) * 2); margin-inline: auto; }

.ico { width: 20px; height: 20px; flex-shrink: 0; }
.ico--lg { width: 28px; height: 28px; }

.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,18,25,.85); backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
}
.site-head.is-scrolled { border-color: var(--line); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.logo { display: flex; align-items: center; gap: .6rem; font-weight: 800; }
.logo img { height: 34px; }
.logo span { font-family: var(--display); font-size: .95rem; }
.logo em { color: var(--teal); font-style: normal; }
.logo small { display: block; font-size: .62rem; color: var(--muted); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 1.2rem; }
.nav a { font-size: .88rem; font-weight: 600; color: var(--muted); transition: color .15s; }
.nav a:hover { color: var(--ink); }
.nav__cta { display: flex; align-items: center; gap: .65rem; }
.phone { font-weight: 800; font-size: .9rem; white-space: nowrap; }
.nav-toggle {
  display: none; width: 44px; height: 44px; padding: 10px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--card);
  cursor: pointer; flex-direction: column; justify-content: center; gap: 5px;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  min-height: 48px; padding: .75rem 1.25rem; border-radius: 12px; border: 0;
  font-weight: 700; font-size: .92rem; cursor: pointer;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn--gold {
  color: #1a1200;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-2) 100%);
  box-shadow: 0 10px 30px rgba(240,192,96,.25);
}
.btn--teal {
  color: #042428;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-2) 100%);
  box-shadow: 0 10px 30px rgba(0,201,212,.2);
}
.btn--ghost {
  background: rgba(255,255,255,.06); color: var(--ink);
  border: 1px solid var(--line);
}
.btn--block { width: 100%; }
.btn--lg { min-height: 54px; font-size: 1rem; }
.btn--sm { min-height: 40px; padding: .55rem 1rem; font-size: .82rem; }

.hero {
  position: relative; overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(3rem, 7vw, 5rem);
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(120deg, rgba(11,18,25,.95) 0%, rgba(11,18,25,.75) 50%, rgba(0,100,110,.25) 100%),
    url('assets/hero.jpg') center/cover no-repeat;
}
.hero__mesh {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 80% 20%, rgba(0,201,212,.15) 0%, transparent 45%),
    radial-gradient(circle at 10% 80%, rgba(240,192,96,.08) 0%, transparent 40%);
}
.hero__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 2rem; align-items: center;
}
.hero__tag {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .4rem .75rem; border-radius: 999px;
  background: rgba(240,192,96,.12); border: 1px solid rgba(240,192,96,.25);
  color: var(--gold); font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  margin-bottom: 1rem;
}
.hero h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05; letter-spacing: -.03em; margin: 0 0 1rem;
}
.hero h1 span { color: var(--teal-2); }
.hero__lead { color: var(--muted); font-size: 1.05rem; max-width: 34rem; margin-bottom: 1.25rem; }

.offers { display: grid; grid-template-columns: repeat(2, 1fr); gap: .65rem; margin-bottom: 1.5rem; }
.offer {
  display: flex; align-items: flex-start; gap: .65rem;
  padding: .85rem; border-radius: 14px;
  background: rgba(255,255,255,.04); border: 1px solid var(--line);
}
.offer__ico {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  display: grid; place-items: center;
  background: rgba(0,201,212,.12); color: var(--teal);
}
.offer strong { display: block; font-size: .95rem; margin-bottom: .1rem; }
.offer span { font-size: .78rem; color: var(--muted); }

.hero__actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-bottom: 1.5rem; }

.form-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 24px; padding: 1.5rem;
  box-shadow: var(--shadow);
}
.form-card__label {
  display: inline-block; padding: .3rem .65rem; border-radius: 8px;
  background: rgba(0,201,212,.12); color: var(--teal);
  font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  margin-bottom: .65rem;
}
.form-card h2 { margin: 0 0 .35rem; font-family: var(--display); font-size: 1.3rem; }
.form-card p { margin: 0 0 1rem; color: var(--muted); font-size: .88rem; }
.field { display: grid; gap: .3rem; margin-bottom: .7rem; }
.field span { font-size: .78rem; font-weight: 700; color: var(--muted); }
.field input, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px;
  padding: .75rem .85rem; background: var(--bg-2); color: var(--ink);
}
.field input:focus, .field textarea:focus {
  outline: 2px solid rgba(0,201,212,.25); border-color: var(--teal);
}
.form-msg { min-height: 1.2rem; font-size: .85rem; color: var(--teal); font-weight: 700; }
.form-note { font-size: .72rem; color: var(--muted); margin-top: .5rem; }
.form-note a { color: var(--teal); }

.section { padding: clamp(3rem, 7vw, 5rem) 0; }
.section--alt { background: var(--bg-2); }
.section__head { margin-bottom: 2rem; max-width: 640px; }
.section__head--center { margin-inline: auto; text-align: center; }
.section__eyebrow {
  display: inline-block; margin-bottom: .5rem;
  font-size: .74rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  color: var(--teal);
}
.section__head h2 {
  margin: 0 0 .6rem; font-family: var(--display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem); line-height: 1.1;
}
.section__head p { margin: 0; color: var(--muted); }

.compare {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.compare-card {
  border-radius: var(--radius); padding: 1.35rem;
  border: 1px solid var(--line);
}
.compare-card--bad { background: rgba(255,80,80,.06); border-color: rgba(255,80,80,.15); }
.compare-card--good {
  background: rgba(0,201,212,.06); border-color: rgba(0,201,212,.2);
  box-shadow: 0 20px 50px rgba(0,201,212,.08);
}
.compare-card h3 { margin: 0 0 .75rem; font-size: 1.05rem; }
.compare-card ul { margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: .9rem; }
.compare-card li { margin-bottom: .35rem; }
.compare-card--good strong { color: var(--teal); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.step {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 18px; padding: 1.1rem;
}
.step__num {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: #1a1200; font-weight: 800; margin-bottom: .65rem;
}
.step h3 { margin: 0 0 .3rem; font-size: .98rem; }
.step p { margin: 0; color: var(--muted); font-size: .85rem; }

.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.product {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 22px; overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.product:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product img { aspect-ratio: 4/3; object-fit: cover; }
.product__body { padding: 1.1rem; }
.product h3 { margin: 0 0 .35rem; }
.product p { margin: 0 0 .65rem; color: var(--muted); font-size: .88rem; }
.product__price { font-family: var(--display); color: var(--gold); font-size: 1.1rem; }

.brand {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center;
  background: linear-gradient(135deg, var(--card) 0%, #1a2a3a 100%);
  border: 1px solid var(--line); border-radius: 28px; padding: 2rem;
}
.brand img { border-radius: 18px; }
.brand ul { list-style: none; padding: 0; margin: 1rem 0; display: grid; gap: .55rem; }
.brand li {
  display: flex; align-items: center; gap: .45rem;
  font-size: .92rem; color: var(--muted);
}
.brand li::before { content: '✓'; color: var(--teal); font-weight: 800; }

.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.price {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 22px; padding: 1.35rem; display: flex; flex-direction: column;
}
.price--hit {
  border-color: rgba(240,192,96,.35);
  background: linear-gradient(180deg, var(--card) 0%, rgba(240,192,96,.06) 100%);
  position: relative;
}
.price--hit::before {
  content: 'Популярный'; position: absolute; top: 1rem; right: 1rem;
  font-size: .65rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase;
  color: var(--gold); background: rgba(240,192,96,.12);
  padding: .25rem .5rem; border-radius: 999px;
}
.price h3 { margin: 0 0 .25rem; }
.price__sub { font-size: .82rem; color: var(--muted); margin-bottom: .5rem; }
.price strong { font-family: var(--display); font-size: 2rem; color: var(--gold); line-height: 1; margin-bottom: .75rem; }
.price ul { margin: 0 0 1.2rem; padding-left: 1.1rem; color: var(--muted); font-size: .86rem; flex: 1; }

.industries { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; }
.industry {
  text-align: center; padding: 1rem .75rem;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
}
.industry__ico { font-size: 1.6rem; margin-bottom: .35rem; }
.industry span { font-size: .82rem; font-weight: 700; color: var(--muted); }

.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.review {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 18px; padding: 1.1rem;
}
.review__stars { color: var(--gold); margin-bottom: .5rem; }
.review p { margin: 0 0 .65rem; font-size: .9rem; }
.review cite { font-style: normal; font-size: .8rem; color: var(--muted); font-weight: 700; }

.faq details {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: .95rem 1rem; margin-bottom: .6rem;
}
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { margin: .6rem 0 0; color: var(--muted); font-size: .9rem; }

.cta-band {
  background: linear-gradient(135deg, rgba(0,201,212,.15) 0%, rgba(240,192,96,.1) 100%);
  border: 1px solid var(--line); border-radius: 24px;
  padding: 2rem; text-align: center;
}
.cta-band h2 { font-family: var(--display); margin: 0 0 .5rem; font-size: clamp(1.4rem, 3vw, 2rem); }
.cta-band p { color: var(--muted); margin: 0 0 1.25rem; }

.site-foot {
  padding: 1.5rem 0 2rem; border-top: 1px solid var(--line);
  color: var(--muted); font-size: .85rem;
}
.site-foot__row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem; }

.float-bar {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 60;
  display: flex; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden; box-shadow: var(--shadow);
}
.float-bar__phone {
  display: grid; place-items: center; width: 52px;
  color: var(--teal); border-right: 1px solid var(--line);
}
.float-bar__cta {
  padding: .85rem 1.15rem; font-weight: 700; font-size: .88rem;
  background: linear-gradient(135deg, var(--gold), var(--gold-2)); color: #1a1200;
}

@media (max-width: 980px) {
  .hero__grid, .brand, .compare { grid-template-columns: 1fr; }
  .steps, .products, .pricing, .reviews { grid-template-columns: repeat(2, 1fr); }
  .industries { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav {
    position: fixed; inset: 72px 0 auto 0; background: var(--bg-2);
    border-bottom: 1px solid var(--line); flex-direction: column;
    align-items: stretch; padding: 1rem;
    transform: translateY(-120%); opacity: 0; pointer-events: none; transition: .25s;
  }
  .nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-toggle { display: inline-flex; }
  .nav__cta { flex-direction: column; align-items: stretch; }
  .offers, .steps, .products, .pricing, .reviews, .industries { grid-template-columns: 1fr; }
  .float-bar { right: .75rem; bottom: .75rem; left: .75rem; }
  .float-bar__cta { flex: 1; text-align: center; }
}