:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-card: #ffffff;
  --text: #0b1426;
  --text-muted: #5a6478;
  --text-dim: #8a93a6;
  --border: #e6e9ef;
  --border-strong: #d6dbe5;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-soft: #eef3ff;
  --green: #16a34a;
  --amber: #f59e0b;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(11, 20, 38, 0.04), 0 1px 1px rgba(11, 20, 38, 0.03);
  --shadow-md: 0 8px 24px rgba(11, 20, 38, 0.06), 0 2px 6px rgba(11, 20, 38, 0.04);
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--accent-dark); }

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--text);
}
h1 { font-size: clamp(34px, 4.5vw, 54px); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(26px, 3vw, 38px); }
h3 { font-size: 20px; }
h4 { font-size: 15px; letter-spacing: 0; }
p { margin: 0 0 14px; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  font-size: 18px;
}
.logo:hover { color: var(--text); }
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--text);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 6px 9px;
  border-radius: 8px;
}
.logo-text { color: var(--text-muted); font-weight: 600; }

.nav {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 15px;
}
.nav a:hover { color: var(--text); }

.nav-cta { padding: 9px 16px; font-size: 14px; }

.burger {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  padding: 0;
  cursor: pointer;
  position: relative;
}
.burger span {
  display: block;
  position: absolute;
  left: 9px;
  right: 9px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .2s ease;
}
.burger span:nth-child(1) { top: 13px; }
.burger span:nth-child(2) { top: 19px; }
.burger span:nth-child(3) { top: 25px; }
.burger[aria-expanded="true"] span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

.mobile-menu {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
  background: #fff;
}
.mobile-menu[hidden] { display: none; }
.mobile-menu a {
  padding: 14px 24px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--text);
  color: #fff;
}
.btn-primary:hover { background: #1a2540; color: #fff; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: var(--bg-soft); color: var(--text); }

/* Eyebrow */
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

/* Hero */
.hero {
  padding: 80px 0 64px;
  background:
    radial-gradient(1000px 500px at 80% -20%, rgba(37, 99, 235, 0.07), transparent 60%),
    radial-gradient(700px 400px at -10% 10%, rgba(37, 99, 235, 0.05), transparent 60%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-content .lead {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 580px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin: 28px 0 36px;
  flex-wrap: wrap;
}
.hero-bullets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.hero-bullets > div { display: flex; flex-direction: column; gap: 4px; }
.hero-bullets strong { font-size: 17px; font-weight: 700; }
.hero-bullets span { font-size: 14px; color: var(--text-muted); }

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  position: relative;
}
.hero-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.15), transparent 40%);
  z-index: -1;
}
.hero-card-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--text);
}
.hero-card-row:last-of-type { border-bottom: none; }
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-green { background: var(--green); box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.12); }
.dot-blue  { background: var(--accent); box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12); }
.dot-amber { background: var(--amber); box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12); }
.hero-card-foot {
  margin-top: 12px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
}

/* Intro */
.intro {
  padding: 0 0 24px;
}
.intro p {
  max-width: 880px;
  font-size: 18px;
  color: var(--text-muted);
  margin: 0;
}

/* Section head */
.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}
.section-sub {
  font-size: 17px;
  color: var(--text-muted);
  margin: 0;
}

/* About */
.about { padding: 96px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-content h2 { margin-bottom: 20px; }
.about-content p {
  font-size: 16.5px;
  color: var(--text-muted);
  margin: 0 0 16px;
}
.about-content p:last-child { margin-bottom: 0; }
.about-stats {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.stat {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.stat-value {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 10px;
}
.stat-label {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Services */
.services { padding: 96px 0; }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all .2s ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { color: var(--text-muted); font-size: 15px; }
.card ul {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card ul li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  color: var(--text);
}
.card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 12px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* Formats */
.formats {
  padding: 96px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.format-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.format {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.format h3 { font-size: 19px; margin-bottom: 8px; }
.format p { color: var(--text-muted); margin: 0; font-size: 15px; }

/* Pricing */
.pricing { padding: 96px 0; }
.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.price-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
.price-table thead th {
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 16px 20px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.price-table tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  vertical-align: middle;
}
.price-table tbody tr:last-child td { border-bottom: none; }
.price-table tbody tr:hover { background: rgba(37, 99, 235, 0.025); }
.col-num { width: 60px; }
.col-price { width: 180px; text-align: right; }
.col-unit { width: 130px; }
.price-table tbody td.num {
  text-align: right;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.price-table tbody td:first-child {
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.cta-row {
  margin-top: 32px;
  padding: 24px 28px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-row p { margin: 0; font-size: 16px; }

/* Contacts */
.contacts {
  padding: 96px 0 80px;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}
.contacts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  color: var(--text);
  display: block;
  transition: all .15s ease;
}
a.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.contact-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 8px;
}
.contact-value {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.map {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #fff;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.map iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
}
.map-link {
  position: absolute;
  right: 16px;
  bottom: 16px;
  background: #fff;
  color: var(--text);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
.map-link:hover { color: var(--accent); border-color: var(--accent); }

.requisites {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
}
.requisites h3 {
  margin: 0 0 20px;
  font-size: 19px;
}
.req-list {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 32px;
}
.req-list > div {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 16px;
  align-items: baseline;
}
.req-list dt {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}
.req-list dd {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.okveds {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 20px;
}
.okveds summary {
  padding: 16px 4px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.okveds summary::-webkit-details-marker { display: none; }
.okveds summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 400;
  color: var(--text-muted);
  transition: transform .2s ease;
}
.okveds[open] summary::after { transform: rotate(45deg); }
.okveds ul {
  list-style: none;
  margin: 0;
  padding: 8px 0 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 32px;
}
.okveds ul li {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.5;
}
.okveds ul li b {
  color: var(--text);
  font-weight: 600;
  display: inline-block;
  min-width: 56px;
}

/* Footer */
.site-footer {
  background: #0b1426;
  color: #c8cfdb;
  padding-top: 56px;
}
.site-footer .logo { color: #fff; }
.site-footer .logo-mark { background: #fff; color: #0b1426; }
.site-footer .logo-text { color: #8a93a6; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-brand p { color: #8a93a6; margin-top: 14px; max-width: 320px; }
.footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.footer-cols h4 {
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 14px;
}
.footer-cols a {
  display: block;
  color: #c8cfdb;
  padding: 4px 0;
  font-size: 15px;
}
.footer-cols a:hover { color: #fff; }
.copyright {
  border-top: 1px solid #1a2540;
  padding: 20px 0;
  font-size: 13px;
  color: #8a93a6;
}

/* Responsive */
@media (max-width: 960px) {
  .nav, .nav-cta { display: none; }
  .burger { display: block; }
  .hero { padding: 56px 0 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-bullets { grid-template-columns: 1fr; gap: 16px; }
  .about, .services, .formats, .pricing, .contacts { padding: 64px 0; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .cards, .format-grid, .contacts-grid { grid-template-columns: 1fr; }
  .map iframe { height: 320px; }
  .map-link { right: 12px; bottom: 12px; padding: 8px 12px; font-size: 13px; }
  .req-list { grid-template-columns: 1fr; gap: 0; }
  .req-list > div { grid-template-columns: 1fr; gap: 4px; padding: 12px 0; }
  .okveds ul { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .section-head { margin-bottom: 32px; }
}

@media (max-width: 600px) {
  .container { padding: 0 18px; }
  .requisites { padding: 22px; }
  .price-table thead th, .price-table tbody td { padding: 14px 16px; font-size: 14px; }
  .cta-row { flex-direction: column; align-items: stretch; text-align: center; }
}