@font-face {
  font-family: 'Golos Text';
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url(/fonts/golos-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Golos Text';
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url(/fonts/golos-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212, U+FEFF, U+FFFD;
}

:root {
  --ink: #14213d;
  --ink-2: #1c2d52;
  --ink-3: #2a3d6b;
  --paper: #ffffff;
  --mist: #f3f5f8;
  --line: #e1e6ec;
  --text: #1b2330;
  --muted: #5b6675;
  --green: #1f9a6a;
  --green-deep: #146e4b;
  --green-soft: #e3f4ec;
  --amber: #e0a31a;
  --amber-soft: #fff3d1;
  --sky: #3b82f6;
  --sky-soft: #dfeaff;
  --radius: 14px;
  --max: 1120px;
  --font: 'Golos Text', 'Segoe UI', Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
}
a { color: var(--green-deep); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--sky);
  outline-offset: 2px;
}
h1, h2, h3 { margin: 0; line-height: 1.15; letter-spacing: -0.015em; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.1vw, 2.2rem); }
h3 { font-size: 1.15rem; letter-spacing: -0.005em; font-weight: 600; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.wrap { width: min(100% - 40px, var(--max)); margin-inline: auto; }
.lead { font-size: 1.12rem; line-height: 1.65; color: var(--muted); max-width: 42rem; margin-top: 18px; }
.section { padding: 104px 0; }
@media (max-width: 640px) { .section { padding: 72px 0; } }
.section-note { margin-top: 40px; color: var(--muted); font-size: .95rem; max-width: 60ch; }
.section-hint { margin-top: 28px; }
.status-line { margin-top: 16px; }
.section + .section { border-top: 1px solid var(--line); }
.section-mist { background: var(--mist); }
.section-mist + .section-mist, .section-mist + .section { border-top: 0; }
.section h2 { max-width: 30ch; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: background .15s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-deep); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { border-color: #fff; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--ink-3); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--ink); }
.btn svg { width: 20px; height: 20px; flex: none; }

/* nav */
.nav { position: sticky; top: 0; z-index: 20; background: var(--ink); color: #fff; }
.nav .wrap { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { font-weight: 700; letter-spacing: -0.01em; text-decoration: none; color: #fff; font-size: 1.05rem; white-space: nowrap; }
.tabs { display: flex; gap: 4px; margin-left: 12px; }
.tabs a {
  color: rgba(255,255,255,.75); text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 500;
}
.tabs a[aria-current="page"] { background: rgba(255,255,255,.12); color: #fff; }
.tabs a:hover { color: #fff; }
.nav .btn { margin-left: auto; padding: 10px 16px; }
@media (max-width: 640px) {
  .nav .wrap { height: auto; flex-wrap: wrap; padding: 10px 0; row-gap: 6px; }
  .tabs { margin-left: 0; order: 3; width: 100%; }
  .tabs a { padding: 8px 10px; }
  .nav .btn { padding: 8px 14px; font-size: .95rem; }
}

/* hero */
.hero { background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%); color: #fff; padding: 104px 0 112px; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 64px; align-items: center; }
.hero h1 { max-width: 14ch; }
.hero .slogan { margin-top: 14px; font-size: clamp(1.35rem, 2.6vw, 1.9rem); font-weight: 400; letter-spacing: -0.01em; color: rgba(255,255,255,.92); }
.hero .sub { font-size: 1.15rem; line-height: 1.6; color: rgba(255,255,255,.7); margin-top: 26px; max-width: 36ch; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.hero .note { margin-top: 32px; color: rgba(255,255,255,.5); font-size: .95rem; line-height: 1.6; max-width: 44ch; }
@media (max-width: 860px) {
  .hero { padding: 64px 0 72px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
}

/* phone chat */
.phone {
  background: var(--ink-2); border: 1px solid rgba(255,255,255,.12); border-radius: 28px;
  padding: 18px 16px 20px; max-width: 400px; margin-inline: auto; width: 100%;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.6);
}
.phone-head { display: flex; align-items: center; gap: 12px; padding: 4px 6px 14px; border-bottom: 1px solid rgba(255,255,255,.1); }
.phone-head .ava { width: 38px; height: 38px; border-radius: 50%; background: var(--green); display: grid; place-items: center; font-weight: 700; color: #fff; }
.phone-head b { display: block; font-size: .98rem; }
.phone-head span { font-size: .82rem; color: rgba(255,255,255,.6); }
.phone-head time { margin-left: auto; font-size: .82rem; color: rgba(255,255,255,.6); font-variant-numeric: tabular-nums; }
.chat { display: flex; flex-direction: column; gap: 10px; padding-top: 14px; min-height: 300px; }
.msg {
  max-width: 86%; padding: 10px 14px; border-radius: 18px; font-size: .95rem; line-height: 1.4;
  opacity: 0; transform: translateY(6px); animation: pop .35s ease forwards;
}
.msg.guest { align-self: flex-start; background: #fff; color: var(--text); border-bottom-left-radius: 6px; }
.msg.agent { align-self: flex-end; background: var(--green-soft); color: #0b3d2a; border-bottom-right-radius: 6px; }
.msg.sys { align-self: center; background: transparent; color: rgba(255,255,255,.55); font-size: .82rem; padding: 4px 0; }
.msg small { display: block; margin-top: 4px; font-size: .76rem; opacity: .6; text-align: right; font-variant-numeric: tabular-nums; }
@keyframes pop { to { opacity: 1; transform: none; } }
.msg:nth-child(1) { animation-delay: .2s; }
.msg:nth-child(2) { animation-delay: 1.1s; }
.msg:nth-child(3) { animation-delay: 2.2s; }
.msg:nth-child(4) { animation-delay: 3.3s; }
.msg:nth-child(5) { animation-delay: 4.3s; }
.msg:nth-child(6) { animation-delay: 5.2s; }
@media (prefers-reduced-motion: reduce) { .msg { animation: none; opacity: 1; transform: none; } }

/* status marks */
.st { display: inline-flex; align-items: center; gap: 6px; font-size: .84rem; font-weight: 600; padding: 3px 10px 3px 8px; border-radius: 999px; white-space: nowrap; vertical-align: middle; }
.st::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.st-ok { background: var(--green-soft); color: var(--green-deep); }
.st-dev { background: var(--amber-soft); color: #8a5f00; }
.st-pilot { background: var(--sky-soft); color: #1d4ed8; }
.legend { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 22px; color: var(--muted); font-size: .95rem; }

/* feature lists */
.rows { margin-top: 44px; border-top: 1px solid var(--line); }
.rows li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 24px; padding: 22px 0; border-bottom: 1px solid var(--line); align-items: start; }
.rows b { display: block; font-weight: 600; }
.rows p { color: var(--muted); margin-top: 2px; }
@media (max-width: 640px) { .rows li { grid-template-columns: 1fr; } .rows .st { justify-self: start; } }

.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 40px 48px; margin-top: 48px; }
.cols h3 { margin-bottom: 8px; }
.cols p { color: var(--muted); }
.cols .st { margin-left: 8px; }

/* steps (real sequence) */
.steps { margin-top: 48px; display: grid; gap: 0; counter-reset: step; }
.steps li { display: grid; grid-template-columns: 44px 1fr; gap: 18px; padding: 22px 0; border-top: 1px solid var(--line); counter-increment: step; }
.steps li::before {
  content: counter(step); width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: #fff;
  display: grid; place-items: center; font-weight: 600; font-size: .95rem;
}
.steps b { display: block; font-weight: 600; }
.steps p { color: var(--muted); }

/* agents */
.agents { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px 56px; margin-top: 56px; }
@media (max-width: 760px) { .agents { grid-template-columns: 1fr; gap: 40px; } }
.member { border-left: 3px solid var(--green); padding: 6px 0 6px 24px; }
.member:nth-child(2) { border-color: var(--sky); }
.member:nth-child(3) { border-color: var(--amber); }
.member:nth-child(4) { border-color: var(--ink-3); }
.member h3 { font-size: 1.35rem; font-weight: 600; }
.member .role { color: var(--muted); font-weight: 400; margin: 4px 0 14px; }
.member ul li { padding: 6px 0; color: var(--text); line-height: 1.5; }
.member ul li + li { border-top: 1px solid var(--line); }
.member .st { margin-left: 6px; }

/* box section */
.box { background: var(--ink); color: #fff; }
.box .lead { color: rgba(255,255,255,.72); }
.box .cols p { color: rgba(255,255,255,.7); }
.box .section-note { color: rgba(255,255,255,.55); }

/* integrations */
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.tags span { border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; background: #fff; font-weight: 400; }
.tags span.soon { border-style: dashed; color: var(--muted); }

/* case */
.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-top: 36px; }
.case-grid div { border: 1px dashed var(--line); border-radius: var(--radius); padding: 22px; }
.case-grid b { display: block; font-size: 1.05rem; font-weight: 600; }
.case-grid span { color: var(--muted); font-size: .95rem; }

/* faq */
.faq { margin-top: 32px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 20px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--muted); font-weight: 400; font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: '–'; }
.faq details p { padding: 0 0 18px; color: var(--muted); max-width: 70ch; }

/* final cta */
.cta { background: var(--mist); text-align: left; }
.cta .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

footer { padding: 48px 0; color: var(--muted); font-size: .92rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: space-between; }
footer a { color: inherit; }

/* forms */
.form-page { padding: 56px 0 84px; }
.form-page .wrap { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 56px; align-items: start; }
@media (max-width: 900px) { .form-page .wrap { grid-template-columns: 1fr; } }
.aside { background: var(--mist); border-radius: var(--radius); padding: 26px; position: sticky; top: 84px; }
.aside h3 { margin-bottom: 10px; }
.aside p { color: var(--muted); margin-bottom: 14px; }
.aside ol { margin: 0 0 18px; padding-left: 20px; color: var(--muted); }
.aside .btn { width: 100%; justify-content: center; }
.aside .btn + .btn { margin-top: 10px; }
form { margin-top: 32px; display: grid; gap: 18px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }
label { display: grid; gap: 6px; font-weight: 600; font-size: .95rem; }
label span.opt { font-weight: 400; color: var(--muted); }
input, select, textarea {
  font: inherit; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; color: var(--text); width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--ink); }
textarea { min-height: 110px; resize: vertical; }
.radio { display: flex; gap: 10px; flex-wrap: wrap; }
.radio label { flex: 1; flex-direction: row; align-items: center; gap: 10px; border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px; cursor: pointer; font-weight: 500; }
.radio input { width: auto; margin: 0; }
.radio label:has(input:checked) { border-color: var(--ink); background: var(--mist); }
.consent { display: flex; gap: 12px; align-items: flex-start; font-weight: 400; font-size: .95rem; color: var(--muted); }
.consent input { width: 20px; height: 20px; margin-top: 2px; flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { border-radius: 10px; padding: 14px 16px; font-weight: 500; }
.form-msg.ok { background: var(--green-soft); color: var(--green-deep); }
.form-msg.err { background: #fde8e8; color: #9b1c1c; }
.form-msg .btn { margin-top: 12px; }
.hint { color: var(--muted); font-size: .92rem; }

/* policy */
.doc { padding: 56px 0 84px; }
.doc .wrap { max-width: 760px; }
.doc h2 { font-size: 1.3rem; margin-top: 28px; }
.doc p, .doc li { color: var(--text); margin-top: 10px; }
.doc ul { list-style: disc; padding-left: 22px; }