:root {
  --bg: #FAF7F2;
  --surface: #fff;
  --text: #1A1612;
  --text2: rgba(255,255,255,.85);
  --muted: rgba(26,22,18,.6);
  --accent: #C4622D;
  --accent2: #8B4513;
  --border: rgba(26,22,18,.1);
  --border2: rgba(26,22,18,.18);
  --shadow: rgba(26,22,18,.08);
  --font-head: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 5%;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(250,247,242,.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}
.nav-logo {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  display: flex; align-items: center; gap: 6px;
}
.nav-logo .sub { color: var(--accent); }
.nav-logo .badge {
  background: var(--accent); color: #fff;
  font-family: var(--font-mono); font-size: .58rem;
  padding: 2px 7px; border-radius: 10px;
  letter-spacing: .06em; margin-left: 2px;
}
.nav-back {
  color: var(--muted); text-decoration: none;
  font-size: .85rem; font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
  transition: color .2s;
}
.nav-back:hover { color: var(--accent); }

/* CONTENT */
.page-wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 120px 5% 80px;
}

.breadcrumbs {
  display: flex; gap: 8px; align-items: center;
  font-family: var(--font-mono); font-size: .75rem;
  color: var(--muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.breadcrumbs a { color: var(--muted); text-decoration: none; transition: color .2s; }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs .sep { opacity: .4; }

.hero-icon {
  font-size: 3.5rem;
  line-height: 1;
  margin-bottom: 16px;
}
h1 {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
h1 .accent { color: var(--accent); }

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 32px;
  max-width: 720px;
}

.cta-row {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 56px;
}
.btn-primary {
  background: var(--accent); color: #fff;
  font-weight: 600; font-family: var(--font-body);
  padding: 14px 28px; border-radius: 8px;
  text-decoration: none; font-size: .95rem;
  display: inline-flex; align-items: center; gap: 10px;
  transition: all .2s;
  box-shadow: 0 4px 20px rgba(196,98,45,.3);
}
.btn-primary:hover {
  background: var(--accent2);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(196,98,45,.4);
}
.btn-outline {
  background: transparent; color: var(--text);
  font-weight: 500;
  padding: 14px 24px; border-radius: 8px;
  text-decoration: none; font-size: .9rem;
  border: 1.5px solid var(--border2);
  display: inline-flex; align-items: center; gap: 8px;
  transition: all .2s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* SECTIONS */
section {
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  background: rgba(196,98,45,.08);
  border: 1px solid rgba(196,98,45,.25);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: .7rem;
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
h2 {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 20px;
  line-height: 1.15;
}
section p {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 16px;
  opacity: .85;
}

/* PROBLEM */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.problem-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}
.problem-card .icon {
  font-size: 1.8rem; margin-bottom: 10px; display: block;
}
.problem-card strong {
  display: block; font-size: .95rem; margin-bottom: 6px;
}
.problem-card p { font-size: .85rem; margin: 0; opacity: .7; }

/* FEATURES */
.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 24px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 22px;
  display: flex; gap: 12px; align-items: flex-start;
}
.feature .check {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.feature span:last-child { font-size: .92rem; }

/* HOW */
.steps {
  margin-top: 24px;
  display: grid; gap: 16px;
}
.step {
  display: flex; gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}
.step-num {
  font-family: var(--font-head);
  font-size: 2.5rem; font-weight: 800;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
  width: 60px;
}
.step strong {
  display: block; font-size: 1.05rem; margin-bottom: 6px;
}
.step p { font-size: .9rem; opacity: .75; margin: 0; }

/* SCENARIO */
.scenario {
  background: var(--text);
  color: var(--text2);
  border-radius: 12px;
  padding: 28px;
  margin-top: 24px;
}
.scenario .label {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: rgba(255,255,255,.4);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.dialog {
  display: grid; gap: 12px;
  font-size: .92rem;
  line-height: 1.55;
}
.msg-user, .msg-bot {
  padding: 10px 16px;
  border-radius: 10px;
  max-width: 85%;
}
.msg-user {
  background: rgba(255,255,255,.08);
  align-self: flex-end;
  justify-self: end;
}
.msg-bot {
  background: var(--accent);
  align-self: flex-start;
  color: #fff;
}
.msg-user strong, .msg-bot strong {
  font-size: .68rem;
  display: block;
  opacity: .7;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* TECH */
.tech-stack {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 16px;
}
.tech-tag {
  background: var(--surface);
  border: 1px solid var(--border2);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: .78rem;
  padding: 6px 14px;
  border-radius: 20px;
}

/* TARGET */
.target {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.target-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}
.target-card .icon { font-size: 1.8rem; display: block; margin-bottom: 10px; }
.target-card strong { font-size: .95rem; }

/* META BOX (цена/сроки) */
.meta-box {
  background: var(--text);
  color: var(--text2);
  border-radius: 14px;
  padding: 32px;
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.meta-item .label {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: rgba(255,255,255,.4);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.meta-item .value {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
}
.meta-item .value .accent { color: var(--accent); }

/* FAQ */
.faq {
  margin-top: 24px;
  display: grid; gap: 12px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
}
.faq-item strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--text);
}
.faq-item p {
  font-size: .92rem;
  opacity: .75;
  margin: 0;
}

/* CTA-BLOCK */
.cta-block {
  background: var(--text);
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  margin-top: 56px;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 100%;
  background: radial-gradient(circle at 80% 50%, rgba(196,98,45,.18) 0%, transparent 65%);
  pointer-events: none;
}
.cta-block h3 {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
}
.cta-block p {
  color: rgba(255,255,255,.6);
  font-size: 1rem;
  margin-bottom: 28px;
  max-width: 480px;
  margin-left: auto; margin-right: auto;
  position: relative;
}
.cta-block .btn-primary { position: relative; }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 5%;
  text-align: center;
  font-size: .82rem;
  color: var(--muted);
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--accent); }

/* MOBILE */
@media (max-width: 768px) {
  .page-wrap { padding: 100px 4% 60px; }
  h1 { font-size: 2.2rem; }
  .lead { font-size: 1.05rem; }
  h2 { font-size: 1.6rem; }
  .problem-grid, .target, .features { grid-template-columns: 1fr; }
  .meta-box { grid-template-columns: 1fr; gap: 18px; padding: 24px; }
  .meta-item .value { font-size: 1.4rem; }
  .cta-block { padding: 36px 24px; }
  .cta-block h3 { font-size: 1.5rem; }
  .step { flex-direction: column; gap: 8px; }
  .step-num { font-size: 2rem; width: auto; }
  .nav-logo .badge { display: none; }
}