:root {
  color-scheme: light;
  --bg: #f5f5f7;
  --surface: #ffffff;
  --ink: #1d1d1f;
  --muted: #6c6c70;
  --line: #d2d2d7;
  --blue: #0071e3;
  --blue-dark: #004096;
  --green: #30ae65;
  --orange: #f5872f;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

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

p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
  margin: 0 0 12px;
}

h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.06;
  margin: 0;
}

h1 {
  font-size: clamp(44px, 6vw, 76px);
  max-width: 820px;
}

h2 {
  font-size: clamp(34px, 4vw, 56px);
  max-width: 780px;
}

h3 {
  font-size: 22px;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 28px;
  height: 72px;
  justify-content: space-between;
  left: 0;
  padding: 0 64px;
  position: sticky;
  right: 0;
  top: 0;
  z-index: 20;
}

.brand {
  color: var(--blue-dark);
  display: grid;
  font-size: 18px;
  font-weight: 800;
  line-height: 0.86;
  min-width: 148px;
}

.desktop-nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}

.desktop-nav a,
.nav-cta,
.menu-button {
  font-size: 14px;
  font-weight: 600;
}

.nav-cta,
.button {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
}

.nav-cta,
.button.primary {
  background: var(--blue);
  color: #fff;
}

.button.secondary {
  background: var(--surface);
  border: 1px solid var(--line);
}

.menu-button {
  background: transparent;
  border: 0;
  display: none;
  padding: 10px 0;
}

.mobile-menu {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: none;
  padding: 12px 24px 20px;
  position: sticky;
  top: 64px;
  z-index: 19;
}

.mobile-menu a {
  display: block;
  font-weight: 650;
  padding: 12px 0;
}

.section {
  padding: 108px 96px;
}

.hero {
  padding-top: 96px;
}

.about,
.products {
  background: var(--surface);
}

.section-grid {
  display: grid;
  gap: 72px;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  margin: 0 auto;
  max-width: 1248px;
}

.hero-grid {
  align-items: center;
}

.hero-copy {
  max-width: 760px;
}

.lead-cn {
  color: var(--blue-dark);
  font-size: 25px;
  font-weight: 750;
  line-height: 1.28;
  margin: 30px 0 20px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.eyebrow {
  color: var(--blue);
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 26px;
}

.paired-slots {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.image-slot {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(245, 245, 247, 0.8)),
    var(--bg);
  border: 1px solid var(--line);
  border-radius: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 360px;
  overflow: hidden;
  padding: 32px;
}

.image-slot span {
  align-self: flex-start;
  background: var(--blue);
  border-radius: 999px;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: auto;
  padding: 8px 15px;
}

.image-slot strong {
  display: block;
  font-size: 24px;
  line-height: 1.15;
  margin-top: 72px;
}

.image-slot small {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
  margin-top: 18px;
}

.image-slot.green span {
  background: var(--green);
}

.image-slot.orange span {
  background: var(--orange);
}

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

.section-head {
  margin: 0 auto 48px;
  max-width: 1248px;
}

.section-head p:not(.eyebrow) {
  max-width: 760px;
}

.solution-cards {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 auto;
  max-width: 1248px;
}

.card,
.product-row,
.contact-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
}

.card {
  padding: 22px;
}

.card p {
  font-size: 15px;
}

.compact {
  border-radius: 20px;
  margin-bottom: 24px;
  min-height: 150px;
  padding: 24px;
}

.compact strong {
  font-size: 17px;
  margin-top: 38px;
}

.compact span,
.product-image span {
  font-size: 11px;
  padding: 7px 12px;
}

.product-grid {
  align-items: start;
  grid-template-columns: minmax(0, 0.85fr) minmax(460px, 1fr);
}

.product-list {
  display: grid;
  gap: 22px;
}

.product-row {
  align-items: center;
  display: grid;
  gap: 24px;
  grid-template-columns: 180px minmax(0, 1fr);
  padding: 20px;
}

.product-row p {
  font-size: 15px;
  margin: 8px 0 0;
}

.product-image {
  border-radius: 18px;
  min-height: 110px;
  padding: 16px;
}

.product-image strong {
  font-size: 15px;
  margin-top: 22px;
}

.contact-panel {
  box-shadow: var(--shadow);
  display: grid;
  gap: 70px;
  grid-template-columns: 1fr 0.72fr;
  margin: 0 auto;
  max-width: 1248px;
  padding: 64px;
}

.contact-list {
  align-self: center;
  color: var(--ink);
  display: grid;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-list li {
  font-size: 17px;
  font-weight: 600;
  padding-left: 24px;
  position: relative;
}

.contact-list li::before {
  background: var(--blue);
  border-radius: 50%;
  content: "";
  height: 8px;
  left: 0;
  position: absolute;
  top: 9px;
  width: 8px;
}

@media (max-width: 900px) {
  .site-header {
    height: 64px;
    padding: 0 20px;
  }

  .desktop-nav,
  .nav-cta {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .mobile-menu.is-open {
    display: block;
  }

  .brand {
    font-size: 16px;
    min-width: 120px;
  }

  .section {
    padding: 58px 24px;
  }

  .hero {
    padding-top: 46px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 34px;
  }

  h3 {
    font-size: 21px;
  }

  p {
    font-size: 16px;
  }

  .lead-cn {
    font-size: 22px;
  }

  .section-grid,
  .product-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .section-grid,
  .contact-panel {
    gap: 34px;
  }

  .hero-visual {
    min-height: 230px;
  }

  .paired-slots,
  .solution-cards {
    grid-template-columns: 1fr;
  }

  .image-slot {
    min-height: 180px;
    padding: 22px;
  }

  .image-slot strong {
    font-size: 19px;
    margin-top: 48px;
  }

  .product-row {
    grid-template-columns: 1fr;
  }

  .product-image {
    min-height: 96px;
  }

  .contact-panel {
    border-radius: 26px;
    padding: 30px 24px;
  }
}

@media (max-width: 430px) {
  h1 {
    font-size: 40px;
  }

  .button {
    width: 100%;
  }

  .actions {
    display: grid;
  }
}