:root {
  --accent: #4f46e5;
  --text: #111827;
  --muted: #4b5563;
  --border: #e5e7eb;
  --soft: #eef2ff;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font: 17px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

a {
  color: var(--accent);
}

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 19px;
  font-weight: 700;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 22px;
}

nav a {
  color: var(--muted);
  font-size: 15px;
  text-decoration: none;
}

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

section {
  padding: 64px 0;
}

.hero {
  padding: 72px 0 32px;
  text-align: center;
  background: linear-gradient(180deg, var(--soft), #fff 70%);
}

.hero h1 {
  max-width: 820px;
  margin: 0 auto 18px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.1;
  letter-spacing: -1px;
}

.lead {
  max-width: 720px;
  margin: 0 auto 26px;
  color: var(--muted);
  font-size: 20px;
}

.soon {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.note {
  color: var(--muted);
  font-size: 15px;
}

.shot {
  display: block;
  width: 100%;
  height: auto;
  margin: 40px auto 0;
  border-radius: 14px;
  box-shadow: 0 30px 70px rgba(30, 27, 75, 0.25);
}

h2 {
  margin: 0 0 28px;
  font-size: 32px;
  letter-spacing: -0.5px;
  text-align: center;
}

h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.grid,
.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.grid article,
.plan {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
}

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

#how {
  background: var(--soft);
}

.steps {
  max-width: 720px;
  margin: 0 auto;
  padding-left: 24px;
  font-size: 18px;
}

.steps li {
  margin-bottom: 14px;
}

kbd {
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: #fff;
  font: 15px ui-monospace, Consolas, monospace;
}

.plans {
  max-width: 760px;
  margin: 0 auto;
}

.plan.featured {
  border: 2px solid var(--accent);
}

.price {
  margin: 6px 0 0;
  font-size: 40px;
  font-weight: 700;
}

.price span {
  color: var(--muted);
  font-size: 17px;
  font-weight: 400;
}

.alt {
  margin: 0;
  color: var(--muted);
}

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

.buy {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.button {
  display: block;
  padding: 11px 16px;
  border: 2px solid var(--accent);
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
}

.button:hover {
  filter: brightness(1.1);
}

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

.key {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 16px 0;
}

.key code {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--soft);
  font: 17px ui-monospace, Consolas, monospace;
  word-break: break-all;
}

.key button {
  padding: 10px 16px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

#pricing .note {
  margin-top: 20px;
  text-align: center;
}

details {
  max-width: 760px;
  margin: 0 auto 12px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

summary {
  cursor: pointer;
  font-weight: 600;
}

details p {
  margin: 10px 0 0;
  color: var(--muted);
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 15px;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

.doc {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.doc h1 {
  margin: 0 0 6px;
  font-size: 38px;
}

.doc h2 {
  margin: 32px 0 8px;
  font-size: 22px;
  text-align: left;
}

.doc .updated {
  margin-top: 0;
  color: var(--muted);
}

@media (max-width: 640px) {
  nav {
    gap: 14px;
  }

  .hero {
    padding-top: 48px;
  }
}