:root {
  --ink: #111820;
  --muted: #65707a;
  --paper: #f4f5f3;
  --white: #ffffff;
  --line: #d9dedf;
  --deep: #10232c;
  --steel: #27424c;
  --signal: #e21b23;
  --signal-dark: #b50911;
  --green: #56715e;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  color: #fff;
  background: rgba(10, 23, 29, .94);
  backdrop-filter: blur(14px);
}
.header-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  margin-right: auto;
  font-weight: 900;
}
.brand-logo {
  width: 132px;
  height: 54px;
  padding: 2px 5px;
  object-fit: contain;
  border-radius: 4px;
  background: #fff;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  font-weight: 800;
}
.main-nav a { color: rgba(255,255,255,.75); }
.main-nav a:hover, .main-nav a.active { color: #fff; }
.header-action {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border-radius: 5px;
  color: #fff;
  background: var(--signal);
  font-size: 13px;
  font-weight: 900;
}
.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  background: transparent;
  font-size: 23px;
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  background: var(--deep);
}
.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6,15,19,.94), rgba(6,15,19,.62) 50%, rgba(6,15,19,.08)),
    linear-gradient(0deg, rgba(6,15,19,.68), transparent 55%);
}
.hero-content {
  position: relative;
  max-width: 830px;
  padding: 96px 0 76px;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--signal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1, h2, h3, p { letter-spacing: 0; }
h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
}
h1 {
  max-width: 800px;
  margin: 0 0 22px;
  font-size: 76px;
  line-height: .98;
}
.hero-lead {
  max-width: 670px;
  margin: 0;
  color: rgba(255,255,255,.82);
  font-size: 20px;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 900;
}
.button.primary { color: #fff; background: var(--signal); }
.button.primary:hover { background: #f13a41; }
.button.ghost { color: #fff; border-color: rgba(255,255,255,.44); background: rgba(255,255,255,.06); }
.button.dark { color: #fff; background: var(--deep); }
.button.outline { border-color: var(--line); background: transparent; }

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.18);
}
.hero-points div { max-width: 190px; }
.hero-points strong { display: block; color: #fff; font-size: 15px; }
.hero-points span { color: rgba(255,255,255,.6); font-size: 12px; }

.trust-bar {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: -28px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 18px 60px rgba(17,24,32,.1);
}
.trust-item { padding: 24px; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; color: var(--deep); font-size: 18px; }
.trust-item span { color: var(--muted); font-size: 13px; }

.section { padding: 86px 0; }
.section.alt { background: var(--white); }
.section.dark { color: #fff; background: var(--deep); }
.section-head {
  max-width: 780px;
  margin-bottom: 34px;
}
.section-head.center { margin-right: auto; margin-left: auto; text-align: center; }
h2 {
  margin: 0 0 16px;
  font-size: 52px;
  line-height: 1.04;
}
.section-head p:not(.eyebrow), .copy p, .rich-copy p {
  color: var(--muted);
  font-size: 17px;
}
.dark .section-head p:not(.eyebrow), .dark .copy p { color: rgba(255,255,255,.65); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  gap: 54px;
  align-items: center;
}
.split-image {
  width: 100%;
  min-height: 460px;
  height: 100%;
  object-fit: cover;
}
.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 26px;
  background: var(--line);
  border: 1px solid var(--line);
}
.metric { padding: 20px; background: var(--paper); }
.metric strong { display: block; color: var(--deep); font-size: 27px; }
.metric span { color: var(--muted); font-size: 12px; }

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.catalog-grid { grid-template-columns: repeat(3, 1fr); }
.catalog-grid .project-card img { height: 250px; }
.catalog-grid .project-card p { min-height: 76px; }
.project-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}
.project-card img {
  width: 100%;
  height: 350px;
  object-fit: cover;
}
.project-body { padding: 24px; }
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.project-meta span {
  padding: 5px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}
.project-card h3 { margin: 0 0 10px; font-size: 28px; }
.project-card p { min-height: 52px; margin: 0; color: var(--muted); }
.project-link { display: inline-block; margin-top: 18px; color: var(--signal-dark); font-weight: 900; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.feature {
  min-height: 235px;
  padding: 25px;
  border: 1px solid var(--line);
  background: var(--white);
}
.feature-number {
  display: block;
  margin-bottom: 28px;
  color: var(--signal-dark);
  font-size: 12px;
  font-weight: 900;
}
.feature h3 { margin: 0 0 10px; font-size: 22px; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; }

.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.15);
}
.process-item { padding: 24px; background: rgba(255,255,255,.05); }
.process-item span { color: var(--signal); font-size: 12px; font-weight: 900; }
.process-item h3 { margin: 10px 0 8px; font-size: 20px; }
.process-item p { margin: 0; color: rgba(255,255,255,.62); font-size: 13px; }

.page-hero {
  position: relative;
  min-height: 430px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  background: var(--deep);
}
.page-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6,15,19,.94), rgba(6,15,19,.48), rgba(6,15,19,.15));
}
.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 790px;
  padding: 92px 0 54px;
}
.page-hero h1 { font-size: 62px; }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}
.spec-table th, .spec-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
.spec-table th { color: var(--muted); font-size: 12px; text-transform: uppercase; }

.check-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.check-list li {
  position: relative;
  padding: 12px 0 12px 28px;
  border-bottom: 1px solid var(--line);
}
.check-list li::before {
  content: "";
  position: absolute;
  top: 19px;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--signal);
}

.comparison {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  background: var(--white);
}
.comparison article { padding: 24px; border-right: 1px solid var(--line); }
.comparison article:last-child { border-right: 0; }
.comparison .highlight { color: #fff; background: var(--deep); }
.comparison h3 { margin-top: 0; }
.comparison p { color: var(--muted); font-size: 14px; }
.comparison .highlight p { color: rgba(255,255,255,.66); }

.document-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.document-card {
  min-height: 240px;
  padding: 26px;
  border: 1px solid var(--line);
  background: var(--white);
}
.document-card strong {
  display: block;
  margin: 34px 0 10px;
  color: var(--deep);
  font-size: 24px;
}
.document-card p { margin: 0; color: var(--muted); }

.request-band {
  color: #fff;
  background: var(--steel);
}
.request-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  gap: 54px;
  align-items: start;
}
.request-layout h2 { font-size: 46px; }
.request-layout p { color: rgba(255,255,255,.68); }
.request-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 24px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
}
.request-form label { display: grid; gap: 6px; }
.request-form label.full { grid-column: 1 / -1; }
.request-form span { color: rgba(255,255,255,.65); font-size: 12px; font-weight: 800; }
.request-form input, .request-form textarea, .request-form select {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 4px;
  color: #fff;
  background: rgba(5,14,18,.4);
}
.request-form option { color: #111; }
.request-form textarea { min-height: 100px; resize: vertical; }
.request-form .button { grid-column: 1 / -1; }
.form-note { grid-column: 1 / -1; margin: 0; color: rgba(255,255,255,.55); font-size: 11px; }
.form-result {
  grid-column: 1 / -1;
  padding: 12px;
  color: #fff;
  background: rgba(226,27,35,.2);
  border-left: 3px solid var(--signal);
  font-size: 13px;
}
.form-result a { color: #fff; text-decoration: underline; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.contact-card {
  min-height: 180px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--white);
}
.contact-card span { color: var(--muted); font-size: 12px; text-transform: uppercase; }
.contact-card strong { display: block; margin-top: 24px; font-size: 22px; }
.contact-card a { color: var(--signal-dark); }
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.social-links a {
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 13px;
  font-weight: 800;
}

.site-footer {
  padding: 42px 0 24px;
  color: rgba(255,255,255,.68);
  background: #09151a;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 34px;
}
.footer-title { color: #fff; font-weight: 900; }
.footer-grid h3 { margin-top: 0; color: #fff; font-size: 13px; text-transform: uppercase; }
.footer-grid a { display: block; margin: 8px 0; font-size: 13px; }
.footer-bottom {
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 11px;
}

@media (max-width: 1020px) {
  .main-nav, .header-action { display: none; }
  .menu-button { display: block; }
  .main-nav.open {
    position: fixed;
    inset: 70px 0 auto;
    display: grid;
    gap: 0;
    padding: 12px 20px 20px;
    background: var(--deep);
  }
  .main-nav.open a { padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .hero { min-height: 650px; }
  h1 { font-size: 58px; }
  h2 { font-size: 44px; }
  .trust-bar, .feature-grid, .process, .document-grid, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .split, .request-layout { grid-template-columns: 1fr; }
  .comparison { grid-template-columns: repeat(2, 1fr); }
  .comparison article:nth-child(2) { border-right: 0; }
}

@media (max-width: 700px) {
  .container { width: min(100% - 28px, 1180px); }
  .header-inner { min-height: 62px; }
  .brand-logo { width: 112px; height: 48px; }
  .hero { min-height: 620px; }
  .hero-media { object-position: 64% center; }
  .hero-content { padding: 90px 0 46px; }
  h1, .page-hero h1 { font-size: 40px; }
  h2 { font-size: 34px; }
  .hero-lead { font-size: 16px; }
  .hero-points { display: none; }
  .actions .button { width: 100%; }
  .trust-bar, .project-grid, .catalog-grid, .feature-grid, .process, .document-grid, .contact-grid, .comparison, .footer-grid, .metric-row { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-item:last-child { border-bottom: 0; }
  .section { padding: 58px 0; }
  .split { gap: 28px; }
  .split-image { min-height: 300px; }
  .project-card img { height: 250px; }
  .comparison article { border-right: 0; border-bottom: 1px solid var(--line); }
  .request-form { grid-template-columns: 1fr; padding: 16px; }
  .request-form label.full, .request-form .button, .form-note, .form-result { grid-column: auto; }
  .page-hero { min-height: 360px; }
  .page-hero-content { padding: 70px 0 40px; }
}