:root {
  --bg: #f7f9fb;
  --paper: #ffffff;
  --ink: #17202a;
  --muted: #637083;
  --line: #dce4ec;
  --accent: #1f5f8f;
  --accent-dark: #163f62;
  --good: #1b7a4b;
  --soft-blue: #edf5fb;
  --shadow: 0 24px 60px rgba(23, 32, 42, 0.12);
}

* {
  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: var(--bg);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 64px);
  background: rgba(247, 249, 251, 0.92);
  border-bottom: 1px solid rgba(220, 228, 236, 0.8);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 750;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: transparent;
  border-radius: 7px;
}

.brand-mark img {
  width: 100%;
  height: 100%;
}

nav {
  display: flex;
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav-cta,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 750;
}

.nav-cta,
.primary-button {
  color: white;
  background: var(--accent);
  padding: 0 18px;
  box-shadow: 0 10px 24px rgba(31, 95, 143, 0.22);
}

.secondary-button {
  color: var(--accent-dark);
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 0 18px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.82fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 70px);
  padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 64px) 64px;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(44px, 6vw, 78px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero p,
.section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.hero-copy p {
  max-width: 660px;
  margin: 28px 0;
}

.hero-copy,
.ops-panel {
  min-width: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.ops-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.ops-header,
.ops-grid,
.price-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.ops-header {
  display: flex;
  justify-content: space-between;
  padding: 18px;
  margin-bottom: 14px;
}

.ops-header span,
.ops-grid span,
.price-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ops-header strong {
  color: var(--good);
}

.ops-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
}

.ops-grid div {
  padding: 18px;
  background: var(--paper);
}

.ops-grid strong,
.price-card strong {
  display: block;
  margin-top: 7px;
  font-size: 24px;
}

.price-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.ops-feed {
  margin-top: 18px;
}

.ops-feed p {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 10px 0;
  color: var(--muted);
  font-size: 14px;
}

.ops-feed span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--good);
}

.section {
  padding: 88px clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 72px);
}

.section h2 {
  max-width: 560px;
  margin: 0 0 18px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1;
  letter-spacing: 0;
}

.workflow-list {
  display: grid;
  gap: 14px;
}

.workflow-list article,
.faq details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.workflow-list h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.workflow-list p,
.faq p {
  margin: 0;
  font-size: 15px;
}

.security-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.8fr);
  gap: 48px;
  background: var(--soft-blue);
}

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

.security-list li {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(220, 228, 236, 0.9);
  border-radius: 8px;
  font-weight: 700;
}

.pricing {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.75fr);
  gap: 48px;
  align-items: center;
  background: var(--paper);
}

.price-card {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.faq {
  display: grid;
  gap: 12px;
}

.faq summary {
  cursor: pointer;
  font-size: 17px;
  font-weight: 750;
}

.faq p {
  padding-top: 10px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 64px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 880px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 18px 24px;
    padding-bottom: 4px;
  }

  .hero,
  .split,
  .security-band,
  .pricing {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .hero {
    padding-inline: 24px;
  }

  .hero h1 {
    font-size: 42px;
    line-height: 1.03;
  }

  .hero p,
  .section p {
    font-size: 16px;
    line-height: 1.58;
  }

  .ops-panel {
    width: 100%;
    padding: 18px;
  }

  .ops-header {
    gap: 14px;
  }

  .ops-header strong {
    flex: 0 0 auto;
  }

  .ops-grid {
    grid-template-columns: 1fr;
  }

  .ops-grid strong,
  .price-card strong {
    font-size: 22px;
  }

  footer {
    flex-direction: column;
  }
}