:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-strong: #ffffff;
  --text: #111827;
  --muted: #667085;
  --line: rgba(17, 24, 39, 0.12);
  --accent: #0a84ff;
  --teal: #11b79f;
  --shadow: 0 30px 90px rgba(23, 37, 84, 0.16);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 8%, rgba(10, 132, 255, 0.16), transparent 34rem),
    radial-gradient(circle at 84% 18%, rgba(17, 183, 159, 0.16), transparent 30rem),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 44%, #ffffff 100%);
  color: var(--text);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 24px;
  backdrop-filter: blur(22px);
}

.brand,
nav,
.actions,
footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0;
}

nav {
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
}

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

.language {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 46px;
  align-items: center;
  max-width: 1180px;
  min-height: calc(100vh - 76px);
  margin: 0 auto;
  padding: 72px 24px 86px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.55;
}

.actions {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 650;
}

.primary {
  background: #111827;
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(17, 24, 39, 0.18);
}

.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
  color: var(--text);
}

.note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.product-visual {
  perspective: 1400px;
}

.window {
  position: relative;
  display: grid;
  grid-template-columns: 158px 190px 1fr;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
  transform: rotateX(4deg) rotateY(-8deg);
  backdrop-filter: blur(22px);
}

.traffic {
  position: absolute;
  top: 18px;
  left: 20px;
  display: flex;
  gap: 8px;
}

.traffic span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #ff5f57;
}

.traffic span:nth-child(2) {
  background: #febc2e;
}

.traffic span:nth-child(3) {
  background: #28c840;
}

.sidebar,
.editor,
.preview {
  padding: 58px 18px 24px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.52);
  font-size: 13px;
}

.sidebar strong {
  color: var(--text);
}

.editor {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-right: 1px solid var(--line);
  background: rgba(250, 252, 255, 0.78);
  color: #3b4a63;
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 12px;
}

.editor span {
  display: block;
  min-height: 16px;
  border-radius: 6px;
  background: rgba(10, 132, 255, 0.08);
  padding: 6px 8px;
}

.preview {
  background: #ffffff;
}

.preview p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.5;
}

.mock-table {
  display: grid;
  grid-template-columns: 1fr 1fr 1.1fr;
  overflow: hidden;
  border: 1px solid #cfd8e7;
  border-radius: 12px;
  font-size: 12px;
}

.mock-table span {
  min-height: 42px;
  padding: 10px;
  border-right: 1px solid #d8e0ed;
  border-bottom: 1px solid #d8e0ed;
}

.mock-table span:nth-child(-n + 3) {
  background: #f3f6fb;
  font-weight: 700;
}

.features,
.details,
.roadmap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 24px;
}

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

.features article,
.details,
.timeline article {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel-strong);
  box-shadow: 0 18px 50px rgba(23, 37, 84, 0.08);
}

.features article {
  padding: 28px;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 32px;
  margin-bottom: 24px;
  border-radius: 999px;
  background: rgba(10, 132, 255, 0.11);
  color: var(--accent);
  font-size: 13px;
  font-weight: 750;
}

.features p,
.details p,
.timeline p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.details {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 34px;
  align-items: start;
  padding: 42px;
}

.details ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.9;
}

.roadmap {
  text-align: center;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 30px;
  text-align: left;
}

.timeline article {
  padding: 26px;
}

.timeline strong {
  display: block;
  margin-bottom: 12px;
  font-size: 18px;
}

footer {
  justify-content: center;
  gap: 22px;
  padding: 36px 24px 54px;
  color: var(--muted);
  font-size: 14px;
}

footer a {
  color: var(--text);
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    gap: 14px;
  }

  nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 12px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 48px;
  }

  .window {
    grid-template-columns: 1fr;
    min-height: 0;
    transform: none;
  }

  .sidebar,
  .editor {
    display: none;
  }

  .features,
  .timeline,
  .details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    position: static;
    padding: 18px;
  }

  nav {
    display: none;
  }

  .hero,
  .features,
  .details,
  .roadmap {
    padding-left: 18px;
    padding-right: 18px;
  }

  h1 {
    font-size: 44px;
  }

  .lead {
    font-size: 18px;
  }
}