:root {
  --bg: #f4f5f8;
  --card: #fff;
  --ink: #111;
  --muted: #5c6370;
  --line: #e6e7ee;
  --accent: #5b3df5;
  --note: #efe8ff;
  --side: #16161a;
  --side-ink: #f5f5f7;
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 "Segoe UI", Inter, sans-serif; color: var(--ink); background: var(--bg); }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
h1 { font-size: 1.8rem; letter-spacing: -0.03em; margin: 0 0 .4rem; }
h2 { font-size: 1.15rem; margin: 0 0 .6rem; }
.shell { display: grid; grid-template-columns: 228px 1fr; min-height: 100vh; }
.side { background: var(--side); color: var(--side-ink); padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.side a, .side button { color: inherit; text-decoration: none; }
.brand { font-weight: 700; letter-spacing: .08em; font-size: .95rem; }
.group { margin: 20px 12px 6px; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: #9a9aa3; }
.side nav { display: flex; flex-direction: column; gap: .15rem; }
.side nav a { min-height: 42px; padding: 0 12px; border-radius: 10px; display: flex; align-items: center; justify-content: flex-start; gap: 12px; }
.side nav a[aria-current="page"] { background: #2a2a32; }
.side nav b { background: var(--accent); color: #fff; border-radius: 99px; min-width: 1.2rem; text-align: center; font-size: .75rem; }
.side-foot { margin-top: auto; }
.side-foot button { background: none; border: 0; color: inherit; padding: .4rem .55rem; cursor: pointer; }
.main { min-width: 0; }
.top { display: flex; align-items: center; gap: .8rem; padding: .8rem 1.2rem; background: #fff; border-bottom: 1px solid var(--line); }
.langs { margin-left: auto; display: flex; gap: .6rem; }
.langs a[aria-current="page"] { font-weight: 700; }
.who { display: flex; align-items: center; gap: .5rem; text-decoration: none; }
.who span { width: 2rem; height: 2rem; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-size: .75rem; }
.who em { font-style: normal; font-size: .9rem; }
.icon { border: 1px solid var(--line); background: #fff; border-radius: 8px; width: 2.2rem; height: 2.2rem; cursor: pointer; }
.side .icon { color: #fff; background: transparent; border-color: #333; display: none; }
.content { padding: 1.4rem 1.4rem 3rem; max-width: 1080px; }
.page-head, .split { display: flex; gap: 1rem; justify-content: space-between; align-items: flex-start; }
.split { align-items: stretch; }
.split > * { flex: 1; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; margin: 1rem 0; }
.metrics article, .card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1rem 1.1rem; }
.metrics small, .muted, .eyebrow { color: var(--muted); }
.metrics strong { display: block; font-size: 1.6rem; }
.card { margin: .8rem 0; }
.card p { margin: .3rem 0; }
.btn, button.btn { display: inline-block; background: var(--ink); color: #fff; border: 0; border-radius: 999px; padding: .7rem 1.1rem; text-decoration: none; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.note { background: var(--note); padding: .7rem .9rem; border-radius: 10px; }
label { display: flex; flex-direction: column; gap: .25rem; font-size: .92rem; margin: .55rem 0; }
input, select, textarea { border: 1px solid var(--line); border-radius: 10px; padding: .65rem .75rem; background: #fff; }
.grid-form { display: grid; gap: .2rem .8rem; }
.check { flex-direction: row; align-items: center; gap: .5rem; }
.tabs, .chips { display: flex; flex-wrap: wrap; gap: .4rem; margin: .8rem 0; }
.tabs a, .chips a { text-decoration: none; border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: .35rem .75rem; }
.tabs a[aria-current="page"], .chips a[aria-current="page"], .pick.is-on { border-color: var(--accent); }
.stack { display: flex; flex-direction: column; }
.pick { text-decoration: none; display: block; }
.price span { color: var(--muted); font-size: .85rem; }
.sticky { position: sticky; top: 1rem; align-self: flex-start; }
.auth { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1rem; align-items: start; }
.preview { background: var(--ink); color: #fff; border-radius: 16px; padding: 1.4rem; }
.preview li { margin: .4rem 0; }
.or { text-align: center; color: var(--muted); }
.switch { margin-top: 1rem; }
.mobile-brand { display: none; }
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; inset: 0 auto 0 0; width: min(280px, 86vw); transform: translateX(-105%); z-index: 20; }
  .side.is-open { transform: none; }
  .side .icon { display: inline-grid; }
  .metrics, .auth, .split { grid-template-columns: 1fr; display: grid; }
  .mobile-brand { display: inline; }
}