:root {
  color-scheme: light;
  --bg: #f3f9ff;
  --surface: #ffffff;
  --ink: #102333;
  --muted: #5f7180;
  --line: #d6e8f7;
  --sky: #6ec6ff;
  --sky-strong: #2f9fe5;
  --sky-dark: #176ea8;
  --blue: #357fbd;
  --shadow: 0 22px 70px rgba(16, 70, 112, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 68px;
  padding: 0 max(22px, calc((100vw - 1160px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid rgba(214, 232, 247, 0.9);
  background: rgba(243, 249, 255, 0.92);
  backdrop-filter: blur(16px);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 28px rgba(16, 70, 112, 0.08);
}

.brand,
.header-action,
.hero-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.brand {
  gap: 10px;
  font-weight: 820;
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 6px 18px rgba(47, 159, 229, 0.22);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a:hover {
  color: var(--sky-dark);
}

.header-action {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(47, 159, 229, 0.28);
  border-radius: 8px;
  color: var(--sky-dark);
  background: #f8fcff;
  font-weight: 760;
}

main {
  overflow: hidden;
}

.hero-section {
  width: min(1160px, calc(100% - 44px));
  min-height: calc(100vh - 132px);
  margin: 0 auto;
  padding: 58px 0 30px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 52px;
  align-items: center;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--sky-dark);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(4rem, 9vw, 8.2rem);
  line-height: 0.91;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 4vw, 4.1rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 9px;
  font-size: 1.05rem;
  letter-spacing: 0;
}

.hero-lede,
.section-intro p,
.positioning-copy p,
.legal-heading p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-links a {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 780;
}

.hero-links a:first-child {
  color: white;
  background: var(--sky-strong);
  box-shadow: 0 14px 30px rgba(47, 159, 229, 0.26);
}

.hero-links a:last-child {
  color: var(--sky-dark);
  border: 1px solid var(--line);
  background: #ffffff;
}

.product-shot {
  position: relative;
  width: min(100%, 540px);
  margin: 0;
  border: 1px solid rgba(47, 159, 229, 0.16);
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.product-shot img {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  object-fit: cover;
  object-position: center;
}

.product-shot figcaption {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 16px;
  border-top: 1px solid var(--line);
  background: #f8fcff;
}

.product-shot span {
  width: max-content;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--sky-dark);
  border: 1px solid rgba(47, 159, 229, 0.28);
  font-size: 0.8rem;
  font-weight: 760;
}

.product-shot strong {
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.55;
}

.intro-strip {
  width: min(1160px, calc(100% - 44px));
  margin: 0 auto 44px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 14px 42px rgba(16, 70, 112, 0.08);
}

.intro-strip div {
  padding: 22px;
  display: grid;
  gap: 7px;
}

.intro-strip div + div {
  border-left: 1px solid var(--line);
}

.intro-strip span,
.scenario-grid p {
  color: var(--muted);
  line-height: 1.65;
}

.section-block {
  width: min(1160px, calc(100% - 44px));
  margin: 0 auto;
  padding: 72px 0;
}

.positioning {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1fr);
  gap: 46px;
  align-items: start;
  border-top: 1px solid var(--line);
}

.positioning-copy {
  display: grid;
  gap: 18px;
}

.positioning-copy p {
  margin-bottom: 0;
}

.section-intro {
  max-width: 780px;
  margin-bottom: 30px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.scenario-grid article {
  min-height: 230px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.scenario-grid span {
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: white;
  background: var(--sky-strong);
  font-size: 0.9rem;
  font-weight: 820;
}

.compatibility {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1fr);
  gap: 40px;
  align-items: center;
}

.format-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.format-cloud span {
  min-height: 40px;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--sky-dark);
  font-weight: 720;
}

.legal-section {
  width: min(1160px, calc(100% - 44px));
  margin: 0 auto;
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}

.legal-heading {
  max-width: 820px;
  margin-bottom: 28px;
}

.legal-heading h1 {
  margin-bottom: 16px;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 0.98;
}

.legal-content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.legal-content article {
  min-height: 176px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.legal-content p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.72;
}

.site-footer {
  width: min(1160px, calc(100% - 44px));
  min-height: 86px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 820;
}

.site-footer nav {
  display: flex;
  gap: 14px;
  color: var(--sky-dark);
  font-weight: 720;
}

@media (max-width: 940px) {
  .site-header {
    min-height: auto;
    padding: 14px 18px;
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 10px;
  }

  .nav-links a {
    min-width: 64px;
  }

  .hero-section,
  .positioning,
  .compatibility {
    grid-template-columns: 1fr;
  }

  .hero-section {
    min-height: auto;
    padding-top: 34px;
  }

  .intro-strip,
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .intro-strip div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .legal-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .hero-section,
  .intro-strip,
  .section-block,
  .legal-section,
  .site-footer {
    width: min(100% - 28px, 560px);
  }

  .hero-section {
    gap: 26px;
    padding-top: 28px;
    padding-bottom: 20px;
  }

  h1 {
    margin-bottom: 12px;
    font-size: clamp(3rem, 16vw, 4rem);
  }

  h2 {
    font-size: 2rem;
  }

  .hero-lede,
  .section-intro p,
  .positioning-copy p,
  .legal-heading p {
    font-size: 1rem;
    line-height: 1.62;
  }

  .hero-links {
    margin-top: 20px;
    align-items: stretch;
    flex-direction: column;
  }

  .hero-links a {
    width: 100%;
  }

  .product-shot img {
    aspect-ratio: 1 / 1;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .site-footer nav {
    flex-wrap: wrap;
  }
}