:root {
  --bg: #fbfbfe;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.84);
  --line: rgba(17, 17, 20, 0.08);
  --text: #111114;
  --muted: #62626d;
  --black: #121212;
  --green: #72E561;
  --green-dark: #257830;
  --green-soft: #C4F6C5;
  --pink: #EA316A;
  --purple: #AF59EA;
  --shadow: 0 20px 60px rgba(17, 17, 20, 0.08);
  --radius-xl: 36px;
  --radius-lg: 26px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  background:
    linear-gradient(180deg, #ffffff 0%, #fbfbfe 100%);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.page-glow {
  position: fixed;
  z-index: -1;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.22;
  pointer-events: none;
}

.glow-left {
  top: -10rem;
  left: -12rem;
  background: radial-gradient(circle, var(--pink) 0%, transparent 65%);
}

.glow-right {
  top: -4rem;
  right: -12rem;
  background: radial-gradient(circle, var(--purple) 0%, transparent 65%);
}

.site-header,
main,
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-sprout {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  box-shadow: 0 0 0 8px rgba(114, 229, 97, 0.14);
}

.site-header nav {
  display: flex;
  gap: 26px;
}

.site-header nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.site-header nav a:hover {
  color: var(--text);
}

.hero {
  padding: 64px 0 92px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-intro h2,
.download-copy h2 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.2rem);
  line-height: 0.95;
  letter-spacing: -0.075em;
  font-weight: 720;
}

.hero-copy,
.section-intro > p:last-child,
.download-copy > p:last-child {
  width: min(720px, 100%);
  margin: 22px auto 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.8vw, 1.24rem);
  line-height: 1.68;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 0.96rem;
  font-weight: 700;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: white;
  background: var(--black);
  box-shadow: 0 12px 28px rgba(17, 17, 20, 0.14);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
}

.hero-visual {
  display: flex;
  justify-content: center;
  margin-top: 54px;
}

.hero-frame {
  width: min(780px, 100%);
  padding: 18px;
  border: 1px solid rgba(17, 17, 20, 0.06);
  border-radius: 38px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.76), rgba(255,255,255,0.62));
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.hero-gif {
  display: block;
  width: 100%;
  border-radius: 24px;
}

.overview {
  padding: 26px 0 110px;
}

.section-intro {
  text-align: center;
}

.section-intro h2,
.download-copy h2 {
  font-size: clamp(2.3rem, 5vw, 4rem);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 44px;
}

.feature-card,
.download-panel {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(17,17,20,0.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.feature-card {
  padding: 26px;
  border-radius: var(--radius-lg);
}

.feature-card h3,
.feature-card p,
.step h3,
.step p {
  margin: 0;
}

.feature-card h3,
.step h3 {
  font-size: 1.06rem;
  letter-spacing: -0.02em;
}

.feature-card p,
.step p {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.64;
}

.download {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 34px;
  align-items: start;
  padding: 8px 0 120px;
}

.download-copy {
  padding-top: 18px;
}

.download-panel {
  padding: 28px;
  border-radius: 30px;
  background: var(--surface-strong);
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 20px 0;
}

.step + .step {
  border-top: 1px solid var(--line);
}

.step-number {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(114,229,97,0.24), rgba(175,89,234,0.12));
  color: var(--green-dark);
  font-size: 0.8rem;
  font-weight: 800;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-top: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.text-link {
  color: var(--green-dark);
  font-size: 0.9rem;
  font-weight: 700;
}

code {
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(114, 229, 97, 0.14);
  border: 1px solid rgba(17, 17, 20, 0.06);
  font-size: 0.88em;
}

.closing {
  padding: 8px 0 100px;
  text-align: center;
}

.closing p {
  width: min(760px, 100%);
  margin: 0 auto;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.06em;
  font-weight: 720;
}

.site-footer {
  padding: 24px 0 40px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 20px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.footer-brand,
.site-footer a {
  color: var(--text);
  font-weight: 700;
}

@media (max-width: 860px) {
  .feature-grid,
  .download {
    grid-template-columns: 1fr;
  }

  .download {
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .site-header,
  main,
  .site-footer {
    width: min(100% - 28px, 1120px);
  }

  .site-header {
    height: 72px;
  }

  .site-header nav {
    gap: 18px;
  }

  .site-header nav a:first-child {
    display: none;
  }

  .hero {
    padding: 42px 0 70px;
  }

  .hero-frame {
    padding: 12px;
    border-radius: 26px;
  }

  .hero-gif {
    border-radius: 18px;
  }

  .download-panel {
    padding: 22px;
    border-radius: 24px;
  }

  .step {
    grid-template-columns: 48px 1fr;
    gap: 12px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}