:root {
  --color-ink: #18323a;
  --color-muted: #64777b;
  --color-primary: #0d7f86;
  --color-primary-dark: #075e65;
  --color-accent: #f0a85a;
  --color-accent-soft: #fff1df;
  --color-surface: #ffffff;
  --color-surface-soft: #f5faf9;
  --color-line: #dce9e7;
  --color-shadow: rgba(24, 50, 58, 0.12);
  --max-width: 1120px;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-surface);
  font-family: Avenir, "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary-dark);
  font-size: 1.28rem;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  border-radius: 8px;
  box-shadow: 0 8px 20px var(--color-shadow);
}

.site-nav {
  position: absolute;
  top: 72px;
  right: 16px;
  left: 16px;
  display: none;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 18px 44px var(--color-shadow);
}

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

.site-nav a {
  padding: 11px 12px;
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 7px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-primary-dark);
  background: var(--color-surface-soft);
  outline: none;
}

.menu-toggle {
  display: inline-grid;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 12px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-line);
  border-radius: 8px;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  background: var(--color-primary-dark);
  border-radius: 999px;
}

.hero {
  display: grid;
  gap: 28px;
  padding: 40px 20px 34px;
  background:
    linear-gradient(140deg, rgba(13, 127, 134, 0.1), rgba(240, 168, 90, 0.12)),
    var(--color-surface-soft);
}

.hero-copy,
.section,
.page-main {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.hero-copy {
  align-self: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin: 0;
  font-size: clamp(3.4rem, 20vw, 7rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 3.5rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
  line-height: 1.2;
}

.lead {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--color-muted);
  font-size: clamp(1.08rem, 4.5vw, 1.45rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  border-radius: 8px;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button.primary {
  color: #ffffff;
  background: var(--color-primary);
  box-shadow: 0 12px 28px rgba(13, 127, 134, 0.24);
}

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

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

.hero-media {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.hero-media img {
  width: 100%;
  min-height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 24px 60px var(--color-shadow);
}

.section {
  padding: 64px 20px;
}

.intro {
  display: grid;
  gap: 22px;
}

.intro p:not(.eyebrow) {
  margin: 0;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.feature-grid {
  display: grid;
  gap: 14px;
}

.feature-card {
  min-height: 190px;
  padding: 22px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 14px 34px rgba(24, 50, 58, 0.06);
}

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

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  font-weight: 900;
  background: var(--color-accent-soft);
  border: 1px solid rgba(240, 168, 90, 0.32);
  border-radius: 8px;
}

.screenshots {
  background: var(--color-surface-soft);
  border-block: 1px solid var(--color-line);
}

.screenshot-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 680px;
}

.screenshot-track {
  display: grid;
  place-items: center;
  width: min(100%, 360px);
}

.screenshot {
  display: none;
  width: min(100%, 320px);
  border-radius: 30px;
  box-shadow: 0 30px 70px rgba(24, 50, 58, 0.22);
}

.screenshot.active {
  display: block;
}

.carousel-button {
  position: absolute;
  top: 50%;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--color-primary-dark);
  font-size: 2rem;
  line-height: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  box-shadow: 0 14px 34px var(--color-shadow);
  transform: translateY(-50%);
}

.carousel-button.prev {
  left: 0;
}

.carousel-button.next {
  right: 0;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 8px;
}

.dot {
  width: 11px;
  height: 11px;
  padding: 0;
  background: #b6c9c7;
  border: 0;
  border-radius: 999px;
}

.dot.active {
  background: var(--color-primary);
}

.download {
  display: grid;
  gap: 22px;
  align-items: center;
  background: var(--color-surface);
}

.download p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--color-muted);
}

.page-main {
  padding: 42px 20px 72px;
}

.page-hero {
  padding: 28px 0 34px;
}

.page-hero h1 {
  font-size: clamp(2.8rem, 14vw, 5.8rem);
}

.content-panel {
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 18px 42px rgba(24, 50, 58, 0.07);
}

.content-panel + .content-panel {
  margin-top: 18px;
}

.content-panel h2 {
  margin-top: 28px;
  font-size: clamp(1.45rem, 6vw, 2rem);
  line-height: 1.1;
}

.content-panel h2:first-child {
  margin-top: 0;
}

.content-panel p {
  color: var(--color-muted);
}

.faq article {
  padding-top: 18px;
  border-top: 1px solid var(--color-line);
}

.faq article:first-of-type {
  border-top: 0;
}

.replace-token {
  color: var(--color-primary-dark);
  font-weight: 800;
}

.site-footer {
  display: grid;
  gap: 18px;
  padding: 28px 20px;
  color: var(--color-muted);
  background: #102b30;
}

.site-footer strong {
  color: #ffffff;
}

.site-footer p {
  margin: 6px 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  color: #d8f3ef;
  font-weight: 700;
  text-decoration: none;
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: none;
  width: 44px;
  height: 44px;
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 900;
  background: var(--color-primary);
  border: 0;
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(13, 127, 134, 0.28);
}

.back-to-top.visible {
  display: grid;
  place-items: center;
}

@media (min-width: 720px) {
  .site-header {
    padding-inline: 32px;
  }

  .menu-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .hero {
    grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.68fr);
    align-items: center;
    min-height: calc(100vh - 72px);
    padding: 58px 32px;
  }

  .hero-copy,
  .hero-media {
    width: 100%;
  }

  .hero-media img {
    min-height: 520px;
  }

  .intro {
    grid-template-columns: 0.95fr 1.05fr;
    align-items: start;
  }

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

  .download {
    grid-template-columns: 1fr auto;
  }

  .site-footer {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding-inline: 32px;
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .screenshot-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 100%;
    gap: 20px;
  }

  .screenshot,
  .screenshot.active {
    display: block;
    width: 100%;
    max-width: 250px;
  }

  .carousel-button,
  .carousel-dots {
    display: none;
  }
}