:root {
  --ink: #16223a;
  --navy: #223350;
  --blue: #1f83ff;
  --cyan: #35d9df;
  --violet: #8b36ea;
  --paper: #f7f9fc;
  --white: #ffffff;
  --muted: #65718a;
  --line: #dbe3ee;
  --shadow: 0 18px 45px rgba(18, 31, 56, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header,
.site-footer,
.section,
.split-section,
.page-hero,
.download-grid,
.final-cta {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand,
.site-nav,
.button-row {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.12rem;
}

.brand img {
  border-radius: 8px;
}

.site-nav {
  gap: 18px;
  color: var(--muted);
  font-weight: 700;
}

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

.hero {
  display: grid;
  align-items: center;
  background: radial-gradient(circle at 20% 15%, rgba(53, 217, 223, 0.22), transparent 34%),
    linear-gradient(140deg, #f9fbff 0%, #eef4ff 52%, #f7f9fc 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 34px;
}

.hero-logo {
  width: 82px;
  height: 82px;
  object-fit: cover;
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  max-width: 850px;
  margin-top: 14px;
  font-size: 4.05rem;
}

.hero-text,
.page-hero p {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.16rem;
}

.button-row {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--ink);
  color: var(--white);
  font-weight: 850;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(22, 34, 58, 0.16);
}

.button:nth-child(2) {
  background: var(--blue);
}

.button:nth-child(3),
.button:nth-child(4) {
  background: var(--white);
  color: var(--ink);
  border-color: var(--line);
}

.button.is-disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  justify-content: center;
  background: var(--navy);
  color: var(--white);
}

.trust-strip span {
  padding: 18px 22px;
  font-weight: 800;
}

.section {
  padding: 80px 0 0;
}

.section-heading {
  margin-bottom: 26px;
}

.section-heading h2,
.split-section h2,
.final-cta h2,
.page-hero h1 {
  max-width: 760px;
  font-size: 3.15rem;
}

.feature-grid,
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card,
.download-card {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(24, 39, 68, 0.06);
}

.feature-card h3 {
  font-size: 1.22rem;
}

.feature-card p,
.split-section p,
.faq-list p,
.site-footer,
.download-card .eyebrow + h2 + p {
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 80px 0 0;
}

.split-section > div {
  padding: 34px;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
}

.split-section > div:first-child {
  border-top: 6px solid var(--cyan);
}

.split-section > div:last-child {
  border-top: 6px solid var(--violet);
}

.use-case-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.use-case-list span {
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--line);
  font-weight: 800;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  font-weight: 850;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 80px;
  padding: 48px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--ink), #31415f);
  color: var(--white);
}

.page-hero {
  padding: 70px 0 34px;
}

.download-grid {
  grid-template-columns: repeat(4, 1fr);
  padding-bottom: 80px;
}

.download-card {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  justify-content: space-between;
}

.download-card h2 {
  font-size: 1.45rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 44px 0;
  margin-top: 64px;
  border-top: 1px solid var(--line);
}

@media (max-width: 820px) {
  .site-header,
  .site-footer,
  .final-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    font-size: 3.35rem;
  }

  .section-heading h2,
  .split-section h2,
  .final-cta h2,
  .page-hero h1 {
    font-size: 2.45rem;
  }

  .feature-grid,
  .split-section,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .final-cta {
    padding: 28px;
  }
}

@media (max-width: 520px) {
  .site-nav {
    gap: 12px;
    font-size: 0.92rem;
  }

  .button {
    width: 100%;
  }

  h1 {
    font-size: 2.55rem;
  }

  .section-heading h2,
  .split-section h2,
  .final-cta h2,
  .page-hero h1 {
    font-size: 2rem;
  }

  .trust-strip {
    justify-content: flex-start;
  }

  .trust-strip span {
    width: 100%;
    padding: 14px 16px;
    text-align: center;
  }
}