:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --surface-2: #f4f2ee;
  --text: #1b1d22;
  --muted: #5f6573;
  --line: #e7e3dc;
  --accent: #e8590c;
  --accent-hover: #cf4f0a;
  --accent-ink: #ffffff;
  --accent-soft: #fff0e6;
  --ok: #18794e;
  --warn: #b35900;
  --bad: #c92a2a;
  --shadow: 0 1px 2px rgb(27 29 34 / 4%), 0 12px 32px -12px rgb(27 29 34 / 18%);
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #121316;
    --surface: #1b1d22;
    --surface-2: #23262c;
    --text: #ecedf0;
    --muted: #a0a6b3;
    --line: #2d3037;
    --accent: #ff7a2f;
    --accent-hover: #ff8f50;
    --accent-ink: #1b0e05;
    --accent-soft: #2b1c12;
    --ok: #4cc38a;
    --warn: #f0a04b;
    --bad: #ff6b6b;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 16px 40px -16px rgb(0 0 0 / 60%);
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    16px/1.55 system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    sans-serif;
}
a {
  color: var(--accent);
}
code {
  font:
    0.9em/1 ui-monospace,
    'SF Mono',
    Menlo,
    Consolas,
    monospace;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 6px;
}
h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}
.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}
@media (min-width: 720px) {
  .wrap {
    padding: 0 32px;
  }
}

/* ---------------------------------------------------------------- header */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
}
.logo {
  width: 30px;
  height: 30px;
  flex: none;
}
.me {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.me form {
  margin: 0;
}
.me__name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 28vw;
}
.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex: none;
  object-fit: cover;
  background: var(--surface-2);
}
.avatar--empty {
  display: inline-grid;
  place-items: center;
  font-weight: 700;
  font-size: 14px;
  color: var(--muted);
}

/* ---------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 0.15s,
    border-color 0.15s,
    transform 0.15s;
}
.btn:active {
  transform: translateY(1px);
}
.btn:focus-visible,
.link:focus-visible,
input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 2px;
}
.btn--sm {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 10px;
  font-size: 15px;
}
.btn--accent {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn--accent:hover {
  background: var(--accent-hover);
}
.btn--ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line);
}
.btn--ghost:hover {
  border-color: var(--muted);
}
.btn--yandex {
  background: #000;
  color: #fff;
  padding-left: 14px;
}
.btn--yandex:hover {
  background: #26282d;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .btn--yandex {
    background: #fff;
    color: #000;
  }
  :root:not([data-theme='light']) .btn--yandex:hover {
    background: #e9e9ea;
  }
}
.ya {
  width: 26px;
  height: 26px;
  flex: none;
}
.btn[disabled] {
  opacity: 0.6;
  cursor: progress;
}
.link {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------------------------------------------------------------- hero */

.hero {
  display: grid;
  gap: 40px;
  align-items: center;
  padding-top: 32px;
  padding-bottom: 56px;
}
@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 48px;
    padding-top: 56px;
    padding-bottom: 80px;
  }
  .hero--user {
    grid-template-columns: 1fr;
    padding-bottom: 32px;
  }
}
.hero--user {
  padding-bottom: 24px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}
.eyebrow--ok {
  color: var(--ok);
}
.eyebrow--warn {
  color: var(--warn);
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px color-mix(in srgb, currentColor 18%, transparent);
}
h1 {
  font-size: clamp(34px, 4.4vw, 50px);
  font-weight: 750;
  text-wrap: balance;
}
.lead {
  margin: 20px 0 0;
  font-size: clamp(17px, 2vw, 19px);
  color: var(--muted);
  max-width: 36em;
  text-wrap: pretty;
}
.cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 32px;
}
.cta__note {
  font-size: 14px;
  color: var(--muted);
}

/* side panel illustration */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
  max-width: 420px;
  width: 100%;
  justify-self: center;
  font-size: 14px;
}
.panel__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.panel__bar .logo {
  width: 22px;
  height: 22px;
}
.panel__status {
  margin-left: auto;
  font-size: 12px;
  color: var(--ok);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.panel__status::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.panel__body {
  display: grid;
  gap: 12px;
  padding: 16px;
}
.bubble {
  margin: 0;
  padding: 10px 14px;
  border-radius: 14px;
}
.bubble--user {
  justify-self: end;
  max-width: 88%;
  background: var(--accent-soft);
  border-bottom-right-radius: 4px;
}
.trace {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  color: var(--muted);
}
.trace li {
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.trace li::before {
  flex: none;
  width: 16px;
  text-align: center;
  font-weight: 700;
}
.trace__done::before {
  content: '✓';
  color: var(--ok);
}
.trace__run {
  color: var(--text);
}
.trace__run::before {
  content: '●';
  color: var(--accent);
  font-size: 10px;
}
.confirm {
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line));
  background: color-mix(in srgb, var(--accent-soft) 60%, var(--surface));
  border-radius: 12px;
  padding: 12px 14px;
}
.confirm__title {
  margin: 0;
  font-weight: 700;
}
.confirm__text {
  margin: 2px 0 10px;
  color: var(--muted);
}
.confirm__actions {
  display: flex;
  gap: 8px;
}
.chip {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-weight: 600;
  font-size: 13px;
}
.chip--accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* ---------------------------------------------------------------- sections */

.section-title {
  font-size: clamp(24px, 3vw, 30px);
  margin-bottom: 24px;
}
.features,
.how {
  padding-top: 40px;
  padding-bottom: 40px;
}
.grid3 {
  display: grid;
  gap: 16px;
}
@media (min-width: 760px) {
  .grid3 {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}
.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.feature h3 {
  font-size: 19px;
  margin: 16px 0 8px;
}
.feature p {
  margin: 0;
  color: var(--muted);
}
.feature__icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}
.feature__icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
@media (min-width: 760px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}
.steps li {
  counter-increment: step;
  position: relative;
  padding: 20px 20px 20px 68px;
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--muted);
}
.steps li b {
  color: var(--text);
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 20px;
  top: 18px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

/* ---------------------------------------------------------------- cabinet */

.cabinet {
  display: grid;
  gap: 20px;
  padding-bottom: 32px;
}
@media (min-width: 900px) {
  .cabinet {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 24px;
  min-width: 0;
}
@media (min-width: 720px) {
  .card {
    padding: 28px 32px;
  }
}
.card h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  margin-bottom: 20px;
}
.card > p {
  margin: 0 0 16px;
}
.card > .hint {
  margin: 16px 0 0;
}
.num {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0;
}
.list {
  margin: 24px 0 0;
  padding-left: 22px;
  display: grid;
  gap: 8px;
}
.hint {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--muted);
}
.field {
  display: block;
  margin-bottom: 20px;
}
.field__label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}
.field__row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.field__row[hidden] {
  display: none;
}
.field input {
  flex: 1;
  min-width: 0;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  font:
    14px/1 ui-monospace,
    'SF Mono',
    Menlo,
    Consolas,
    monospace;
}
.error {
  margin: 12px 0 0;
  color: var(--bad);
  font-size: 14px;
}

/* ---------------------------------------------------------------- misc */

.notice {
  margin: 8px 0 0;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
}
.empty {
  padding-top: 80px;
  padding-bottom: 120px;
}
.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-top: 32px;
  padding-bottom: 40px;
  margin-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.footer a {
  color: inherit;
}
[data-copied]::after {
  content: ' ✓';
}