/* Стиль повторяет itexus.com: Heebo, белые карточки, чёрный первый экран со скруглением снизу, зелёный акцент. */
:root {
  --green: #25bb4d;
  --green-hover: #30d05a;
  --green-dark: #179839;
  --green-soft: #e9f8ed;
  --text: #051320;
  --text-2: #051320cc;
  --text-3: #05132099;
  --border: #0000001a;
  --bg: #fff;
  --bg-soft: #f6f7f8;
  --black: #000;
  --warn-bg: #fff6e5;
  --warn-border: #f3c26b;
  --err: #d93025;
  --err-bg: #fdeceb;
  --code-bg: #0b1118;
  --shadow: 0 4px 44px -9px #00000014;
  --radius: 16px;
  --radius-btn: 10px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 400 16px/1.55 Heebo, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; outline: none; }
a { color: var(--green-dark); text-decoration: none; }
a:hover { color: var(--green); }
code { font-family: var(--mono); font-size: .88em; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; overflow-wrap: anywhere; }
h1, h2, h3 { font-weight: 600; line-height: 1.12; margin: 0; }
h2 { font-size: 32px; }
h3 { font-size: 22px; line-height: 1.25; }
p { margin: 0; }
[hidden] { display: none !important; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--text-3); }
.green { color: var(--green); }

/* ---------- верхняя панель ---------- */
.topbar { position: sticky; top: 0; z-index: 20; background: var(--black); color: #fff; }
.topbar__inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; flex: none; }
.brand:hover { color: #fff; }
.brand img { display: block; }
.brand__product { font-weight: 500; font-size: 15px; padding-left: 12px; border-left: 1px solid #ffffff33; color: #ffffffcc; white-space: nowrap; }
.topnav { display: flex; gap: 4px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.topnav::-webkit-scrollbar { display: none; }
.topnav a { color: #ffffffb3; font-size: 15px; font-weight: 500; padding: 8px 12px; border-radius: 8px; white-space: nowrap; }
.topnav a:hover { color: #fff; background: #ffffff14; }
.topnav a[aria-current="page"] { color: #fff; background: #ffffff1f; }
.keychip { display: flex; align-items: center; gap: 10px; flex: none; font-size: 14px; color: #ffffffcc; }
.keychip__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px #25bb4d33; }
.keychip__name { color: #fff; font-weight: 500; }
.keychip__key { font-family: var(--mono); font-size: 12px; color: #ffffff99; }
.keychip button { font: inherit; font-size: 13px; color: #fff; background: #ffffff1a; border: 0; border-radius: 8px; padding: 6px 10px; cursor: pointer; }
.keychip button:hover { background: #ffffff2e; }

/* ---------- первый экран ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--black); color: #fff;
  border-radius: 0 0 60px 60px;
  padding: 72px 0 88px;
}
.hero::before, .hero::after {
  content: ""; position: absolute; pointer-events: none; border-radius: 50%;
  filter: blur(10px);
}
.hero::before { width: 720px; height: 720px; right: -220px; top: -360px; background: radial-gradient(closest-side, #ffffff26, transparent); }
.hero::after { width: 560px; height: 560px; left: -260px; bottom: -320px; background: radial-gradient(closest-side, #25bb4d33, transparent); }
.hero > .container { position: relative; z-index: 1; }
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero h1 { font-size: 52px; line-height: 1.08; }
.hero__lead { margin-top: 20px; font-size: 20px; font-weight: 500; line-height: 1.4; color: #ffffffcc; max-width: 560px; }
.hero__points { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 10px; color: #ffffffcc; }
.hero__points li { display: flex; gap: 12px; align-items: baseline; }
.hero__points li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--green); transform: translateY(-2px); }

.page-head { background: var(--black); color: #fff; border-radius: 0 0 40px 40px; padding: 40px 0 48px; position: relative; overflow: hidden; }
.page-head::after { content: ""; position: absolute; width: 520px; height: 520px; right: -200px; top: -300px; border-radius: 50%; background: radial-gradient(closest-side, #25bb4d2e, transparent); pointer-events: none; }
.page-head > .container { position: relative; z-index: 1; }
.crumbs { font-size: 14px; color: #ffffff99; margin-bottom: 18px; }
.crumbs a { color: #ffffffcc; }
.crumbs a:hover { color: var(--green); }
.page-head h1 { font-size: 44px; }
.page-head__lead { margin-top: 14px; font-size: 18px; font-weight: 500; color: #ffffffcc; max-width: 760px; }
.page-head__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

/* ---------- карточки, кнопки, формы ---------- */
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; color: var(--text); }
.card--flat { box-shadow: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 500 16px/1 Heebo, Arial, sans-serif; color: #fff; background: var(--green);
  border: 0; border-radius: var(--radius-btn); padding: 15px 24px; cursor: pointer;
  transition: background .15s, box-shadow .15s; white-space: nowrap; text-decoration: none;
}
.btn:hover { background: var(--green-hover); color: #fff; }
.btn:disabled { opacity: .55; cursor: default; background: var(--green); }
.btn--ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn--ghost:hover { background: var(--bg-soft); color: var(--text); border-color: #00000033; }
.btn--sm { font-size: 14px; padding: 10px 14px; border-radius: 8px; }
.btn svg { width: 18px; height: 18px; flex: none; }

.arrow-link { font-weight: 500; color: var(--green-dark); display: inline-flex; align-items: center; gap: 6px; }
.arrow-link::after { content: "→"; transition: transform .15s; }
.arrow-link:hover::after { transform: translateX(3px); }

.keyform h2 { font-size: 26px; }
.keyform p.muted { margin-top: 8px; }
.field { margin-top: 22px; }
.field label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; }
.input-wrap { position: relative; }
.input {
  width: 100%; font: 400 15px/1.2 var(--mono); color: var(--text);
  border: 1px solid #00000029; border-radius: var(--radius-btn); padding: 15px 48px 15px 16px; background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 4px #25bb4d26; }
.input-eye { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); border: 0; background: transparent; padding: 8px; cursor: pointer; color: var(--text-3); border-radius: 8px; }
.input-eye:hover { color: var(--text); background: var(--bg-soft); }
.input-eye svg { width: 20px; height: 20px; display: block; }
.check { display: flex; gap: 10px; align-items: center; margin-top: 14px; font-size: 14px; color: var(--text-2); cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--green); margin: 0; }
.keyform__actions { margin-top: 22px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.form-error { margin-top: 14px; color: var(--err); font-size: 14px; min-height: 1em; }
.form-error:empty { display: none; }

.spinner { width: 16px; height: 16px; border: 2px solid #ffffff66; border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- секции ---------- */
.section { padding: 64px 0 0; }
.section:last-child { padding-bottom: 80px; }
.section__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.section__head p { margin-top: 8px; color: var(--text-2); }

/* ---------- статистика ---------- */
.stats { display: grid; grid-template-columns: 1fr 1.4fr; gap: 0; padding: 0; overflow: hidden; }
.stats__who { padding: 28px; border-right: 1px solid var(--border); display: flex; flex-direction: column; gap: 14px; }
.stats__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.stats__hello { font-size: 26px; font-weight: 600; line-height: 1.2; }
.stats__meta { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px; font-size: 13px; color: var(--text-3); }
.stats__meta span { display: grid; gap: 2px; }
.stats__meta b { color: var(--text); font-weight: 500; font-size: 15px; }
.stats__quota { padding: 28px; display: grid; gap: 22px; align-content: start; }
.stats__foot { padding-top: 4px; }
.stats__foot p { font-size: 13px; margin-top: 4px; }
.hero .stats { grid-template-columns: 1fr; }
.hero .stats__who { border-right: 0; border-bottom: 1px solid var(--border); }
.mono { font-family: var(--mono); }
.tag { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 500; padding: 4px 10px; border-radius: 999px; background: var(--green-soft); color: var(--green-dark); }
.tag--warn { background: var(--warn-bg); color: #9a5b00; }
.tag--bad { background: var(--err-bg); color: var(--err); }
.quota__head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.quota__name { font-weight: 600; }
.quota__nums { font-family: var(--mono); font-size: 14px; }
.quota__reset { font-size: 13px; color: var(--text-3); margin-top: 6px; }
.bar { height: 8px; border-radius: 99px; background: var(--bg-soft); border: 1px solid var(--border); overflow: hidden; margin-top: 10px; }
.bar i { display: block; height: 100%; background: var(--green); border-radius: 99px; transition: width .4s; }
.bar i.mid { background: #f0a800; }
.bar i.low { background: var(--err); }
.skeleton { background: linear-gradient(90deg, #f1f2f3, #e6e8ea, #f1f2f3); background-size: 200% 100%; animation: sk 1.2s infinite; border-radius: 8px; height: 16px; }
@keyframes sk { to { background-position: -200% 0; } }

/* ---------- плитки инструментов ---------- */
.tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tool {
  display: flex; flex-direction: column; gap: 14px; padding: 26px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  color: var(--text); transition: border-color .15s, transform .15s;
}
.tool:hover { border-color: var(--green); color: var(--text); transform: translateY(-2px); }
.tool:hover h3 { color: var(--green-dark); }
.tool__icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; font-weight: 700; font-size: 18px; color: #fff; background: var(--black); }
.tool__icon--green { background: var(--green); }
.tool p { color: var(--text-2); font-size: 15px; flex: 1; }
.tool__foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.tool__os { font-size: 13px; color: var(--text-3); }

.models { display: flex; flex-wrap: wrap; gap: 8px; }
.models span { font-family: var(--mono); font-size: 13px; padding: 6px 10px; border-radius: 8px; background: var(--bg-soft); border: 1px solid var(--border); }

/* ---------- страница инструмента ---------- */
.os-switch { display: inline-flex; background: #ffffff1a; border-radius: 12px; padding: 4px; gap: 4px; }
.os-switch button { font: 500 15px/1 Heebo, Arial, sans-serif; color: #ffffffb3; background: transparent; border: 0; border-radius: 9px; padding: 11px 18px; cursor: pointer; display: inline-flex; gap: 8px; align-items: center; }
.os-switch button:hover { color: #fff; }
.os-switch button[aria-pressed="true"] { background: #fff; color: var(--text); }
.os-switch svg { width: 16px; height: 16px; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; align-items: start; }
.side { position: sticky; top: 92px; display: grid; gap: 16px; }
.side .card { padding: 22px; }
.side h4 { margin: 0 0 10px; font-size: 15px; font-weight: 600; }
.side ul { margin: 0; padding-left: 18px; color: var(--text-2); font-size: 14px; display: grid; gap: 6px; }

.method { padding: 0; overflow: hidden; margin-bottom: 24px; }
.method__head { display: flex; gap: 16px; align-items: flex-start; padding: 24px 28px; border-bottom: 1px solid var(--border); }
.method__num { flex: none; width: 36px; height: 36px; border-radius: 10px; background: var(--black); color: #fff; display: grid; place-items: center; font-weight: 600; }
.method--main .method__num { background: var(--green); }
.method__title { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.method__head p { margin-top: 6px; color: var(--text-2); font-size: 15px; }
.method__body { padding: 24px 28px 28px; }

.steps { list-style: none; counter-reset: s; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.steps > li { counter-increment: s; position: relative; padding-left: 40px; }
.steps > li::before {
  content: counter(s); position: absolute; left: 0; top: 0;
  width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--green); color: var(--green-dark);
  display: grid; place-items: center; font-size: 13px; font-weight: 600;
}
.steps > li > p + *, .steps > li > * + * { margin-top: 10px; }
.steps ul { margin: 8px 0 0; padding-left: 18px; color: var(--text-2); display: grid; gap: 4px; font-size: 15px; }
kbd { font-family: var(--mono); font-size: 12.5px; padding: 2px 7px; border-radius: 6px; border: 1px solid #00000026; border-bottom-width: 2px; background: #fff; white-space: nowrap; }
.menu-path { font-weight: 500; }

.code { position: relative; background: var(--code-bg); color: #e6edf3; border-radius: 12px; font: 400 13.5px/1.6 var(--mono); }
.code pre { margin: 0; padding: 16px 136px 16px 18px; overflow-x: auto; white-space: pre; }
.code--wrap pre { white-space: pre-wrap; word-break: break-all; }
.code__copy { position: absolute; top: 10px; right: 10px; font: 500 13px/1 Heebo, Arial, sans-serif; color: #fff; background: #ffffff1f; border: 0; border-radius: 8px; padding: 8px 12px; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; }
.code__copy:hover { background: var(--green); }
.code__copy.done { background: var(--green); }
.code__label { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 13px; color: var(--text-3); margin-bottom: 8px; }
.code .tok-k { color: #7ee787; }
.code .tok-s { color: #a5d6ff; }
.code .tok-c { color: #8b949e; }
.code .mask { color: #ffa657; }

.kv { width: 100%; border-collapse: collapse; font-size: 15px; }
.kv td { padding: 12px 0; border-bottom: 1px solid var(--border); vertical-align: middle; }
.kv tr:last-child td { border-bottom: 0; }
.kv td:first-child { color: var(--text-2); width: 34%; padding-right: 16px; }
.kv .val { display: flex; gap: 8px; align-items: center; justify-content: space-between; }
.kv .val code { font-size: 13px; }
.copy-mini { flex: none; font: 500 12px/1 Heebo, Arial, sans-serif; border: 1px solid var(--border); background: #fff; color: var(--text); border-radius: 7px; padding: 6px 9px; cursor: pointer; }
.copy-mini:hover { border-color: var(--green); color: var(--green-dark); }

.notice { display: flex; gap: 12px; padding: 14px 16px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--border); font-size: 15px; color: var(--text-2); }
.notice::before { content: "i"; flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--text); color: #fff; display: grid; place-items: center; font-size: 13px; font-weight: 700; font-style: italic; }
.notice--warn { background: var(--warn-bg); border-color: var(--warn-border); color: #5b3a00; }
.notice--warn::before { content: "!"; background: #e39400; font-style: normal; }
.notice--ok { background: var(--green-soft); border-color: #25bb4d55; color: #0d4d20; }
.notice--ok::before { content: "✓"; background: var(--green); font-style: normal; }
.notice b { color: inherit; }
.stack > * + * { margin-top: 14px; }

.downloads { display: flex; gap: 12px; flex-wrap: wrap; }
.path-line { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 15px; }

details.faq { border: 1px solid var(--border); border-radius: 12px; background: #fff; }
details.faq + details.faq { margin-top: 10px; }
details.faq summary { cursor: pointer; padding: 16px 18px; font-weight: 500; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--green); font-size: 20px; line-height: 1; }
details.faq[open] summary::after { content: "−"; }
details.faq > div { padding: 0 18px 18px; color: var(--text-2); font-size: 15px; }
details.faq > div > * + * { margin-top: 10px; }

.select { font: 400 15px/1.2 var(--mono); padding: 12px 14px; border: 1px solid #00000029; border-radius: var(--radius-btn); background: #fff; color: var(--text); min-width: 260px; }
.select:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 4px #25bb4d26; }

.locked { position: relative; }
.locked__veil { position: absolute; inset: 0; background: #ffffffd9; backdrop-filter: blur(2px); z-index: 2; display: grid; place-items: center; border-radius: var(--radius); }
.locked__veil .card { max-width: 440px; width: calc(100% - 32px); }

/* ---------- прочее ---------- */
.footer { border-top: 1px solid var(--border); padding: 24px 0; font-size: 13px; color: var(--text-3); margin-top: 64px; }
.footer__inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer code { font-size: 12px; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); background: var(--black); color: #fff; padding: 12px 18px; border-radius: 10px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 50; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1000px) {
  .hero__grid, .layout, .stats { grid-template-columns: minmax(0, 1fr); }
  .stats__who { border-right: 0; border-bottom: 1px solid var(--border); }
  .side { position: static; }
  .tools { grid-template-columns: repeat(2, 1fr); }
  .topnav { display: none; }
}
@media (max-width: 640px) {
  .hero { padding: 44px 0 56px; border-radius: 0 0 30px 30px; }
  .hero h1 { font-size: 36px; }
  .hero__lead { font-size: 17px; }
  .page-head h1 { font-size: 32px; }
  .page-head { border-radius: 0 0 24px 24px; }
  .tools { grid-template-columns: 1fr; }
  .card, .method__head, .method__body { padding: 20px; }
  .keychip__key, .brand__product { display: none; }
  h2 { font-size: 26px; }
  .code pre { padding-right: 18px; padding-top: 48px; }
  .kv td:first-child { width: 40%; }
  .btn { white-space: normal; text-align: left; line-height: 1.25; }
  .steps > li { padding-left: 34px; }
}