:root {
  --navy: #071d36;
  --blue: #0873d1;
  --blue-dark: #045da9;
  --ink: #132033;
  --muted: #617083;
  --line: #dce6f2;
  --bg: #f6f9fc;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(7, 29, 54, 0.12);
  --radius: 24px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 8%, rgba(8, 115, 209, 0.08), transparent 28%),
    radial-gradient(circle at 82% 2%, rgba(7, 29, 54, 0.08), transparent 25%),
    var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 249, 252, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(220, 230, 242, 0.9);
}

.nav {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
}

.brand img {
  display: block;
  width: 214px;
  max-height: 54px;
  height: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
}

.nav-links a {
  opacity: 0.82;
  transition: 0.2s ease;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--blue);
}

.nav-cta {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(7, 29, 54, 0.06);
}

.language-switcher {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 7px 9px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.lang-btn.active {
  background: var(--navy);
  color: var(--white);
}

.nav-toggle {
  display: none;
  border: 0;
  background: var(--navy);
  color: white;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 1.1rem;
}

.hero {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 62px 0 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
}

h1, h2, h3, h4, p { margin-top: 0; }

h1 {
  color: var(--navy);
  font-size: clamp(2.6rem, 6vw, 5.05rem);
  line-height: 0.99;
  letter-spacing: -0.06em;
  margin-bottom: 26px;
}

.hero-text {
  color: var(--muted);
  max-width: 720px;
  font-size: 1.13rem;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
  transition: 0.2s ease;
}

.btn.primary {
  background: var(--blue);
  color: white;
  box-shadow: 0 16px 30px rgba(8, 115, 209, 0.22);
}

.btn.primary:hover { background: var(--blue-dark); transform: translateY(-1px); }

.btn.secondary {
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
}

.btn.secondary:hover { border-color: rgba(8, 115, 209, 0.4); transform: translateY(-1px); }

.hero-card {
  position: relative;
  overflow: hidden;
  min-height: 444px;
  padding: 34px;
  border: 1px solid rgba(220, 230, 242, 0.92);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.98), rgba(235,245,255,0.96)),
    var(--white);
  box-shadow: var(--shadow);
}

.hero-card::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -90px;
  top: -80px;
  background: radial-gradient(circle, rgba(8,115,209,0.19), transparent 70%);
}

.system-panel {
  position: relative;
  width: 220px;
  height: 170px;
  margin-bottom: 30px;
  border: 1px solid rgba(8, 115, 209, 0.25);
  border-radius: 22px;
  background: linear-gradient(145deg, #ffffff, #eaf5ff);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.9), 0 22px 48px rgba(8,115,209,0.14);
  overflow: hidden;
}

.panel-top {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
}

.panel-top span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  opacity: 0.75;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 9px;
  padding: 16px;
}

.panel-grid div {
  display: grid;
  place-items: center;
  height: 40px;
  border-radius: 12px;
  color: var(--navy);
  background: white;
  border: 1px solid var(--line);
  font-weight: 900;
  font-size: 0.85rem;
}

.signal-lines {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  display: grid;
  gap: 6px;
}

.signal-lines span {
  display: block;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), transparent);
}

.signal-lines span:nth-child(2) { width: 72%; }
.signal-lines span:nth-child(3) { width: 44%; }

.hero-card h2 {
  color: var(--navy);
  font-size: 1.8rem;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.hero-card p { color: var(--muted); }

.spec-list {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.spec-list div {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,0.72);
}

.spec-list strong {
  color: var(--blue);
  font-size: 0.82rem;
}

.spec-list span {
  color: var(--navy);
  font-weight: 800;
}

.trust-strip {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-strip span {
  padding: 9px 13px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.68);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.section,
.split-section,
.contact-section {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.section { padding: 74px 0; }

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.split-content h2,
.about-card h2,
.contact-section h2 {
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.06;
  letter-spacing: -0.045em;
  margin-bottom: 16px;
}

.section-heading p,
.split-content p,
.about-card p,
.contact-section p {
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.card,
.step,
.about-card,
.contact-card,
.panel,
.secondary-block {
  background: rgba(255,255,255,0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 44px rgba(7, 29, 54, 0.06);
}

.card {
  padding: 26px;
  min-height: 295px;
  transition: 0.2s ease;
}

.featured-card {
  border-color: rgba(8,115,209,0.22);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(7, 29, 54, 0.1);
}

.icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 15px;
  background: rgba(8, 115, 209, 0.1);
  color: var(--blue);
  font-size: 0.95rem;
  font-weight: 900;
}

.card h3,
.step h3,
.panel h3 {
  color: var(--navy);
  font-size: 1.17rem;
  margin-bottom: 10px;
}

.card p,
.step p,
.panel p { color: var(--muted); margin-bottom: 0; }

.secondary-block {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 28px;
  padding: 32px;
  background: linear-gradient(145deg, rgba(255,255,255,0.94), rgba(235,245,255,0.84));
}

.secondary-block h3 {
  color: var(--navy);
  font-size: 1.55rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.mini-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.mini-cards article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,0.72);
}

.mini-cards h4 {
  color: var(--navy);
  margin-bottom: 7px;
  font-size: 1rem;
}

.mini-cards p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.split-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 26px;
  align-items: stretch;
  padding: 36px 0 74px;
}

.split-content {
  padding: 42px;
  border-radius: var(--radius);
  background: var(--navy);
  color: white;
  box-shadow: var(--shadow);
}

.split-content h2,
.split-content p { color: white; }

.split-content .eyebrow { color: #69b9ff; }

.check-list {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: rgba(255,255,255,0.88);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #69b9ff;
  font-weight: 900;
}

.panel {
  padding: 42px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.96), rgba(231,244,255,0.92));
}

.panel-label {
  color: var(--blue);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  font-weight: 900;
}

.panel h3 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.about { padding-top: 28px; }

.about-card { padding: 42px; }

.lead {
  color: var(--blue) !important;
  font-weight: 900;
  font-size: 1.05rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.step { padding: 24px; }

.step span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--blue);
  font-weight: 900;
}

.contact-section {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 26px;
  align-items: center;
  margin-bottom: 74px;
  padding: 46px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 15% 20%, rgba(8,115,209,0.18), transparent 34%),
    var(--navy);
  color: white;
  box-shadow: var(--shadow);
}

.contact-section h2,
.contact-section p { color: white; }

.contact-section .eyebrow { color: #69b9ff; }

.contact-card {
  padding: 30px;
  background: rgba(255,255,255,0.96);
}

.contact-card h3,
.contact-card p { color: var(--navy); }

.contact-card a {
  display: block;
  margin-top: 10px;
  color: var(--blue);
  font-weight: 900;
}

.muted {
  color: var(--muted) !important;
  font-size: 0.92rem;
  margin-top: 20px;
}

.footer {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0 44px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer p { margin-bottom: 0; }

.footer a {
  color: var(--navy);
  font-weight: 800;
}

@media (max-width: 1180px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .secondary-block { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .nav-toggle { display: block; }

  .nav-links {
    position: absolute;
    top: 76px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 18px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
  }

  .nav-links.open { display: flex; }

  .language-switcher { width: max-content; }

  .hero-grid,
  .split-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .steps { grid-template-columns: repeat(2, 1fr); }

  .hero { padding-top: 48px; }
}

@media (max-width: 640px) {
  .nav,
  .hero,
  .section,
  .split-section,
  .contact-section,
  .trust-strip,
  .footer {
    width: min(100% - 28px, 1160px);
  }

  .brand img { width: 178px; max-height: 46px; }

  .hero-card,
  .split-content,
  .panel,
  .about-card,
  .contact-section,
  .secondary-block {
    padding: 26px;
  }

  .cards,
  .steps,
  .mini-cards {
    grid-template-columns: 1fr;
  }

  .footer { flex-direction: column; }
}
