:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --surface-soft: #eeeeea;
  --ink: #111313;
  --muted: #666c6a;
  --faint: #8b908d;
  --line: rgba(17, 19, 19, 0.12);
  --line-strong: rgba(17, 19, 19, 0.22);
  --accent: #13795b;
  --accent-strong: #0c503d;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --page: 1080px;
  --article: 760px;
  --radius: 8px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

.container {
  width: min(calc(100% - 40px), var(--page));
  margin: 0 auto;
}

.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(247, 247, 244, 0.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 7px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  text-decoration: none;
}

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

.hero {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 880px;
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 720px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 1.18rem;
  line-height: 1.75;
}

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

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.article-wrap {
  display: grid;
  grid-template-columns: minmax(0, var(--article)) minmax(240px, 1fr);
  gap: 56px;
  align-items: start;
  padding: 64px 0;
}

.article {
  min-width: 0;
}

.article h2 {
  margin: 42px 0 14px;
  font-size: 2rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.article h3 {
  margin: 28px 0 10px;
  font-size: 1.2rem;
  line-height: 1.25;
}

.article p,
.article li {
  color: var(--muted);
  font-size: 1rem;
}

.article p + p {
  margin-top: 16px;
}

.article ul {
  margin: 16px 0 0;
  padding-left: 20px;
}

.article a {
  color: var(--accent-strong);
  font-weight: 700;
  text-decoration-color: rgba(19, 121, 91, 0.28);
  text-underline-offset: 0.18em;
}

.screenshot-frame {
  display: block;
  overflow: hidden;
  margin: 34px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 20px 60px rgba(26, 31, 29, 0.12);
}

.sidebar {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 14px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 20px;
}

.panel h2,
.panel h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  line-height: 1.25;
}

.panel p,
.panel li {
  color: var(--muted);
  font-size: 0.94rem;
}

.panel ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.panel a {
  color: var(--accent-strong);
  font-weight: 700;
  text-decoration: none;
}

.faq-group {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.faq-list {
  display: grid;
  gap: 18px;
}

.cta-band {
  margin-top: 48px;
  padding: 28px;
  border-radius: var(--radius);
  background: #151817;
  color: #fff;
}

.cta-band p {
  max-width: 620px;
  margin: 10px 0 22px;
  color: rgba(255, 255, 255, 0.7);
}

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 18px;
  font-weight: 700;
}

.footer-links a {
  text-decoration: none;
}

@media (max-width: 880px) {
  .article-wrap {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--page));
  }

  .nav {
    min-height: 62px;
  }

  .nav-links {
    gap: 14px;
    font-size: 13px;
  }

  .hero {
    padding: 52px 0 38px;
  }

  h1 {
    font-size: 3.15rem;
  }

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .article-wrap {
    padding: 44px 0;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}
