:root {
  --bg: #f6fafb;
  --surface: #ffffff;
  --surface-strong: #eef7f8;
  --ink: #17252a;
  --muted: #5f7078;
  --line: #d8e6e8;
  --primary: #0d7f8c;
  --primary-dark: #075b67;
  --accent: #35a3ff;
  --success: #39a66a;
  --shadow: 0 18px 50px rgba(13, 82, 93, 0.12);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 250, 251, 0.94);
  border-bottom: 1px solid rgba(216, 230, 232, 0.9);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(100% - 32px, var(--max));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary-dark);
  font-size: 1.08rem;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 54px;
  height: 38px;
  border-radius: 8px;
  object-fit: contain;
  background: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--primary-dark);
  background: var(--surface-strong);
}

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

.nav-links .nav-cta:hover,
.nav-links .nav-cta:focus-visible {
  color: #fff;
  background: var(--primary-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: var(--primary-dark);
}

.hero {
  width: min(100% - 32px, var(--max));
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: 46px 0 38px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 520px);
  align-items: center;
  gap: 44px;
}

.hero-content {
  max-width: 640px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin: 0;
  max-width: 680px;
  font-size: clamp(2.2rem, 5.4vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(1.85rem, 5vw, 3.1rem);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.22rem;
  line-height: 1.2;
}

.hero-copy {
  max-width: 610px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  background: var(--primary);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--primary-dark);
}

.button.secondary {
  color: var(--primary-dark);
  background: var(--surface);
  border-color: var(--line);
}

.showcase {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #ffffff 0%, #eef7f8 100%);
  box-shadow: var(--shadow);
}

.showcase img {
  position: absolute;
  inset: 8px;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  object-fit: contain;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 500ms ease, transform 900ms ease;
}

.showcase img.active {
  opacity: 1;
  transform: scale(1);
}

.section {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 72px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading.wide {
  max-width: 900px;
}

.section-heading p,
.split-copy p,
.contact p {
  color: var(--muted);
}

.app-grid,
.insight-grid,
.link-grid {
  display: grid;
  gap: 18px;
}

.apps {
  width: 100%;
  max-width: none;
  padding-right: max(16px, calc((100% - var(--max)) / 2));
  padding-left: max(16px, calc((100% - var(--max)) / 2));
  background: var(--surface-strong);
}

.app-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.app-card {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(13, 82, 93, 0.06);
}

.app-card img {
  width: 82px;
  height: 82px;
  object-fit: contain;
  border-radius: var(--radius);
  background: #fff;
}

.app-card p {
  margin: 0 0 12px;
  color: var(--muted);
}

.app-card ul {
  margin: 0 0 16px;
  padding-left: 18px;
  color: var(--muted);
}

.app-card a {
  color: var(--primary-dark);
  font-weight: 800;
  text-decoration: none;
}

.app-card a:hover,
.app-card a:focus-visible {
  text-decoration: underline;
}

.use-cases {
  background: var(--bg);
}

.insight-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.insight-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.insight-card p {
  margin: 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.split-copy {
  padding-top: 8px;
}

.privacy {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.faq {
  width: 100%;
  max-width: none;
  padding-right: max(16px, calc((100% - var(--max)) / 2));
  padding-left: max(16px, calc((100% - var(--max)) / 2));
  background: var(--surface-strong);
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 920px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.faq-list summary {
  min-height: 58px;
  padding: 16px 18px;
  color: var(--primary-dark);
  font-weight: 800;
  cursor: pointer;
}

.faq-list p {
  margin: 0;
  padding: 0 18px 18px;
  color: var(--muted);
}

.link-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.link-grid a {
  padding: 18px 20px;
  color: var(--primary-dark);
  font-weight: 800;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.link-grid a:hover,
.link-grid a:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 8px 22px rgba(13, 82, 93, 0.08);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  gap: 48px;
  align-items: center;
}

.contact-panel {
  padding: 26px;
  border-radius: var(--radius);
  color: #fff;
  background: var(--primary-dark);
}

.contact-panel a {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(1.25rem, 5vw, 2rem);
  font-weight: 800;
  text-decoration: none;
}

.contact-panel span {
  color: rgba(255, 255, 255, 0.78);
}

.site-footer {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 28px 0 38px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--primary-dark);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 880px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    right: 16px;
    left: 16px;
    display: none;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: grid;
  }

  .hero,
  .split,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

  .hero-media {
    max-width: 520px;
  }

  .app-grid,
  .insight-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .nav,
  .hero,
  .section,
  .site-footer {
    width: min(100% - 24px, var(--max));
  }

  .apps {
    padding-right: 12px;
    padding-left: 12px;
  }

  .faq {
    padding-right: 12px;
    padding-left: 12px;
  }

  .hero-actions,
  .site-footer {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .app-card {
    grid-template-columns: 1fr;
  }

  .app-card img {
    width: 72px;
    height: 72px;
  }

  .section {
    padding: 54px 0;
  }
}