:root {
  color-scheme: light;
  --ink: #071421;
  --ink-soft: #34475b;
  --muted: #627184;
  --line: #d8e2ec;
  --page: #ffffff;
  --band: #f5f8fb;
  --brand: #0758c8;
  --brand-dark: #073a89;
  --cyan: #05aeea;
  --green: #2d7d58;
  --shadow: 0 18px 50px rgba(7, 20, 33, 0.1);
  --radius: 8px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration-color: rgba(5, 174, 234, 0.42);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--brand-dark);
  text-decoration-color: var(--brand-dark);
}

img {
  max-width: 100%;
  display: block;
}

.site-header {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px 56px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.brand {
  width: 164px;
  flex: 0 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.site-nav a {
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--brand-dark);
  font-weight: 700;
}

.nav-action,
.button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  font-weight: 700;
  text-decoration: none;
  line-height: 1.2;
}

.nav-action {
  color: var(--brand-dark);
  background: #eef7fd;
  border-color: #b8dff4;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 48px;
  align-items: center;
  max-width: 1180px;
  min-height: 620px;
  padding: 76px 56px 54px;
  margin: 0 auto;
}

.hero-copy h1 {
  margin: 0;
  font-size: 4.25rem;
  line-height: 0.95;
  font-weight: 800;
  letter-spacing: 0;
}

.hero-copy p {
  margin: 24px 0 0;
  max-width: 640px;
  color: var(--ink-soft);
  font-size: 1.2rem;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button.primary {
  color: #ffffff;
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: 0 12px 28px rgba(7, 88, 200, 0.18);
}

.button.secondary {
  color: var(--brand-dark);
  background: #ffffff;
}

.hero-media {
  min-height: 430px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background:
    linear-gradient(180deg, #ffffff 0%, #f7fbfe 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-mark {
  width: 210px;
  margin: 0 auto;
}

.system-list {
  display: grid;
  gap: 12px;
}

.system-list div {
  border: 1px solid var(--line);
  border-left: 4px solid var(--cyan);
  border-radius: var(--radius);
  padding: 16px 18px;
  background: #ffffff;
}

.system-list strong,
.system-list span {
  display: block;
}

.system-list strong {
  font-size: 1.02rem;
}

.system-list span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.94rem;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 78px 56px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 42px;
  border-top: 1px solid var(--line);
}

.section-label {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

h2,
h3,
p {
  overflow-wrap: break-word;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: 2.25rem;
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.18rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.intro > p,
.compliance-band > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.section-heading {
  grid-column: 1 / -1;
  max-width: 680px;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  background: var(--band);
  max-width: none;
  padding-left: max(56px, calc((100% - 1068px) / 2));
  padding-right: max(56px, calc((100% - 1068px) / 2));
}

.platform-card,
.model-step {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.platform-card p,
.model-step p {
  margin: 12px 0 0;
  color: var(--muted);
}

.platform-card a,
.text-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--brand-dark);
  font-weight: 800;
}

.model-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.model-step span {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  border-radius: 50%;
  color: #ffffff;
  background: var(--brand);
  font-weight: 800;
}

.compliance-band {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
  border-top: 1px solid var(--line);
}

.compliance-band .text-link {
  grid-column: 2;
  margin-top: -16px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  padding: 42px 56px;
  background: #071421;
  color: #eaf2f8;
}

.site-footer img {
  width: 132px;
  background: #ffffff;
  border-radius: 4px;
}

.site-footer p {
  max-width: 420px;
  margin: 16px 0 0;
  color: #b7c8d8;
}

.site-footer nav {
  display: grid;
  gap: 10px;
  min-width: 220px;
}

.site-footer a {
  color: #eaf2f8;
  text-decoration-color: rgba(234, 242, 248, 0.35);
}

.legal-page {
  max-width: 920px;
  margin: 0 auto;
  padding: 72px 56px 88px;
}

.legal-hero {
  padding-bottom: 42px;
  border-bottom: 1px solid var(--line);
}

.legal-hero h1 {
  margin: 0;
  font-size: 3.2rem;
  line-height: 1;
  letter-spacing: 0;
}

.legal-hero p:last-child {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 1.12rem;
}

.legal-section {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.legal-section.important {
  padding: 28px;
  margin: 34px 0;
  border: 1px solid #b8dff4;
  border-radius: var(--radius);
  background: #eef7fd;
}

.legal-section h2 {
  font-size: 1.55rem;
}

.legal-section p,
.legal-section li {
  color: var(--ink-soft);
}

.legal-section ul {
  padding-left: 22px;
}

.legal-section li + li {
  margin-top: 8px;
}

@media (max-width: 860px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 22px;
  }

  .brand {
    width: 140px;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 10px 16px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 54px 22px 40px;
  }

  .hero-copy h1 {
    font-size: 3.1rem;
  }

  .hero-copy p {
    font-size: 1.05rem;
  }

  .hero-media {
    min-height: 360px;
  }

  .section,
  .legal-page {
    padding-left: 22px;
    padding-right: 22px;
  }

  .intro,
  .platform-grid,
  .compliance-band {
    grid-template-columns: 1fr;
  }

  .platform-grid {
    padding-left: 22px;
    padding-right: 22px;
  }

  .model-steps {
    grid-template-columns: 1fr;
  }

  .compliance-band .text-link {
    grid-column: auto;
    margin-top: 0;
  }

  .site-footer {
    flex-direction: column;
    padding: 34px 22px;
  }

  .legal-hero h1 {
    font-size: 2.4rem;
  }
}

@media (max-width: 520px) {
  .site-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-action {
    grid-column: 1 / -1;
  }

  .hero-copy h1 {
    font-size: 2.6rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  h2 {
    font-size: 1.9rem;
  }
}