:root {
  --blue: #0D3B66;
  --blue-dark: #082B4A;
  --petrol: #2A9D8F;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --text: #1F2937;
  --muted: #64748B;
  --border: #E2E8F0;
  --shadow: 0 14px 35px rgba(13, 59, 102, 0.10);
  --radius: 18px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container {
  width: 90%;
  max-width: 1180px;
  margin: 0 auto;
}

.site-header {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  color: var(--blue);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.4px;
}

.logo span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  margin-top: -4px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.desktop-nav a {
  font-weight: 700;
  color: #334155;
  font-size: 15px;
}

.nav-button {
  background: var(--blue);
  color: var(--white) !important;
  padding: 11px 18px;
  border-radius: 999px;
}

.menu-button {
  display: none;
  background: var(--blue);
  color: var(--white);
  border: none;
  padding: 10px 13px;
  border-radius: 10px;
  font-size: 22px;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 18px 5%;
  background: var(--white);
  border-top: 1px solid var(--border);
}

.mobile-nav a {
  padding: 12px 0;
  font-weight: 700;
  color: var(--blue);
}

.hero {
  padding: 90px 0 70px;
  background:
    radial-gradient(circle at top right, rgba(42, 157, 143, 0.16), transparent 38%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.badge {
  display: inline-block;
  background: #E6F4F1;
  color: var(--petrol);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 24px;
}

.hero h1 {
  color: var(--blue);
  font-size: 58px;
  line-height: 1.05;
  letter-spacing: -1.6px;
  margin-bottom: 24px;
}

.hero p {
  color: #475569;
  font-size: 20px;
  max-width: 720px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 15px 24px;
  border-radius: 12px;
  font-weight: 800;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: var(--shadow);
}

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

.hero-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.hero-card h2 {
  color: var(--blue);
  font-size: 28px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-card p {
  font-size: 17px;
  margin-bottom: 18px;
}

.hero-card ul {
  list-style: none;
}

.hero-card li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: #475569;
  font-weight: 700;
}

.hero-card li::before,
.check-list li::before {
  content: "✓ ";
  color: var(--petrol);
  font-weight: 900;
}

.trust-section {
  padding: 22px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.trust-grid div {
  text-align: center;
  font-weight: 800;
  color: var(--blue);
}

.section {
  padding: 85px 0;
}

.light {
  background: var(--white);
}

.section-heading {
  max-width: 790px;
  margin-bottom: 42px;
}

.section-heading h2 {
  color: var(--blue);
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -0.9px;
  margin-bottom: 16px;
}

.section-heading p {
  color: var(--muted);
  font-size: 18px;
}

.card-grid {
  display: grid;
  gap: 24px;
}

.card-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid.four {
  grid-template-columns: repeat(4, 1fr);
}

.card,
.step-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 8px 24px rgba(13, 59, 102, 0.06);
}

.light .card,
.light .step-card {
  background: var(--bg);
}

.card h3,
.step-card h3 {
  color: var(--blue);
  font-size: 22px;
  margin-bottom: 12px;
}

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

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: center;
}

.solution-list {
  display: grid;
  gap: 16px;
}

.solution-list div {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  display: flex;
  gap: 16px;
  align-items: center;
}

.solution-list strong {
  color: var(--petrol);
  font-size: 22px;
}

.solution-list span {
  font-weight: 800;
  color: var(--blue);
}

.blue-box {
  background: var(--blue);
  color: var(--white);
  border-radius: 24px;
  padding: 36px;
  box-shadow: var(--shadow);
}

.blue-box h3 {
  font-size: 28px;
  margin-bottom: 14px;
}

.blue-box p {
  color: #DDEBFF;
}

.check-list {
  list-style: none;
  display: grid;
  gap: 14px;
}

.check-list li {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  font-weight: 800;
  color: #334155;
}

.position-card {
  border-left: 5px solid var(--petrol);
}

.step-card span {
  width: 42px;
  height: 42px;
  background: var(--petrol);
  color: var(--white);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  margin-bottom: 18px;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comparison-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 8px 24px rgba(13, 59, 102, 0.06);
}

.comparison-box.active {
  border: 2px solid var(--petrol);
}

.comparison-box h3 {
  color: var(--blue);
  margin-bottom: 18px;
}

.comparison-box ul {
  list-style: none;
  display: grid;
  gap: 12px;
}

.comparison-box li {
  color: var(--muted);
  font-weight: 700;
}

.comparison-box li::before {
  content: "• ";
  color: var(--petrol);
}

.faq-list {
  display: grid;
  gap: 16px;
}

details {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 24px;
  box-shadow: 0 8px 22px rgba(13, 59, 102, 0.05);
}

summary {
  cursor: pointer;
  color: var(--blue);
  font-size: 18px;
  font-weight: 900;
}

details p {
  color: var(--muted);
  margin-top: 14px;
}

.contact-section {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 34px;
  align-items: start;
}

.contact-info {
  color: var(--white);
}

.contact-info h2 {
  font-size: 42px;
  line-height: 1.1;
  margin-bottom: 18px;
}

.contact-info p {
  color: #DDEBFF;
  font-size: 18px;
}

.contact-data {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}

.contact-form {
  background: var(--white);
  border-radius: 24px;
  padding: 34px;
  box-shadow: var(--shadow);
}

label {
  display: block;
  color: #334155;
  font-weight: 900;
  margin-bottom: 8px;
}

input,
select,
textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid #CBD5E1;
  border-radius: 12px;
  margin-bottom: 18px;
  font-size: 16px;
  font-family: inherit;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

button {
  width: 100%;
  border: none;
  background: var(--blue);
  color: var(--white);
  padding: 16px 24px;
  border-radius: 12px;
  font-weight: 900;
  font-size: 16px;
  cursor: pointer;
}

.footer {
  background: #061C31;
  color: #CBD5E1;
  padding: 38px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer strong {
  color: var(--white);
  font-size: 20px;
}

.footer-links {
  display: flex;
  gap: 18px;
}

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

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: block;
  }

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

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

  .card-grid.three,
  .card-grid.four,
  .trust-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero h1 {
    font-size: 44px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 65px 0 55px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero p {
    font-size: 18px;
  }

  .section {
    padding: 65px 0;
  }

  .section-heading h2 {
    font-size: 32px;
  }

  .card-grid.three,
  .card-grid.four,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    text-align: center;
  }

  .footer-links {
    flex-direction: column;
  }
}