:root {
  --bg: #f5f8fb;
  --surface: #ffffff;
  --text: #15313d;
  --muted: #5e7280;
  --brand: #1f5b6b;
  --brand-2: #2aa6c8;
  --line: #d7e3ea;
  --shadow: 0 18px 50px rgba(21, 49, 61, 0.08);
  --radius: 24px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fbfd 0%, #eef4f7 100%);
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(248, 251, 253, 0.84);
  border-bottom: 1px solid rgba(215, 227, 234, 0.7);
}

.nav {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand, .footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
}

.menu-btn, .mobile-nav {
  display: none;
}

.hero {
  padding: 72px 0 28px;
}

.hero-grid, .two-col {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(42, 166, 200, 0.12);
  color: var(--brand);
  font-weight: 700;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(2.7rem, 5vw, 4.9rem);
  line-height: 0.98;
  margin: 0 0 18px;
  letter-spacing: -0.05em;
}

h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.05;
  margin: 0 0 14px;
  letter-spacing: -0.04em;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.lead, p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 28px 0 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand) 0%, #123844 100%);
  color: white;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(31, 91, 107, 0.2);
}

.btn-secondary {
  background: transparent;
  color: var(--brand);
  border: 1px solid var(--line);
  box-shadow: none;
}

.btn-small {
  padding: 11px 16px;
  border-radius: 12px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 0.94rem;
}

.trust-row span, .mini-list li {
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
}

.card {
  background: var(--surface);
  border: 1px solid rgba(215, 227, 234, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-visual {
  min-height: 520px;
  padding: 18px;
}

.placeholder {
  min-height: 100%;
  border-radius: calc(var(--radius) - 8px);
  background:
    radial-gradient(circle at top left, rgba(42, 166, 200, 0.16), transparent 30%),
    linear-gradient(180deg, #eff6fa 0%, #dceaf1 100%);
  border: 1px dashed rgba(31, 91, 107, 0.18);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
}

.placeholder span {
  display: block;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--brand);
}

.placeholder small {
  color: var(--muted);
  max-width: 300px;
  margin-top: 8px;
  line-height: 1.6;
}

.stats, .section {
  padding: 28px 0 78px;
}

.stats-grid, .feature-grid, .target-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.stat, .feature, .target, .insight-card, .validation-card, .contact-card {
  padding: 24px;
}

.stat strong, .feature-icon {
  display: block;
  color: var(--brand);
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.alt {
  background: rgba(255,255,255,0.45);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 22px;
}

.checks, .steps, .mini-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.checks li::before {
  content: "✓";
  color: var(--brand-2);
  font-weight: 800;
  margin-right: 10px;
}

.quote {
  margin-top: 18px;
  padding: 18px;
  background: rgba(31, 91, 107, 0.06);
  border-radius: 18px;
  color: var(--text);
  font-weight: 600;
}

.feature-grid, .target-grid, .image-row {
  margin-top: 24px;
}

.image-row {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.image-placeholder {
  min-height: 290px;
}

.validation-card .steps {
  counter-reset: step;
}

.validation-card .steps li::before {
  counter-increment: step;
  content: counter(step);
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--brand);
  color: white;
  font-size: 0.85rem;
  margin-right: 10px;
}

.validation-card .steps li {
  display: flex;
  align-items: flex-start;
  gap: 2px;
  color: var(--muted);
}

.cta-box {
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 24px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 12px;
}

input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
  background: #fff;
  color: var(--text);
}

input:focus, textarea:focus {
  outline: 2px solid rgba(42, 166, 200, 0.18);
  border-color: rgba(42, 166, 200, 0.55);
}

.form-note {
  margin: 0;
  font-size: 0.94rem;
}

.footer {
  padding: 28px 0 42px;
  border-top: 1px solid rgba(215, 227, 234, 0.8);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
}

.footer p {
  margin: 0;
  max-width: 520px;
}

@media (max-width: 920px) {
  .nav-links { display: none; }
  .menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    background: white;
    width: 44px;
    height: 44px;
    border-radius: 12px;
  }
  .mobile-nav {
    display: none;
    padding: 0 20px 18px;
    flex-direction: column;
    gap: 12px;
  }
  .mobile-nav.open { display: flex; }
  .hero-grid, .two-col, .cta-box, .image-row, .stats-grid, .feature-grid, .target-grid, .footer-inner {
    grid-template-columns: 1fr;
    display: grid;
  }
  .hero-visual { min-height: 360px; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 24px, 1120px); }
  .hero { padding-top: 48px; }
  h1 { font-size: 2.5rem; }
  .stats, .section { padding-bottom: 56px; }
}