/* ========================================
   BUSINESS DOCTOR v4 — Product Design
   Интеллектуальная система управления бизнесом
   ======================================== */

:root {
  --bg: #08090c;
  --bg-2: #0e1015;
  --bg-3: #14171d;
  --bg-card: #1a1d24;
  --bg-card-hover: #1e2129;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.10);
  --border-accent: rgba(108,92,231,0.2);
  --text: #eceef2;
  --text-2: #a0a4b0;
  --text-3: #60646e;
  --accent: #6c5ce7;
  --accent-2: #a78bfa;
  --accent-dim: rgba(108,92,231,0.08);
  --green: #10b981;
  --green-dim: rgba(16,185,129,0.08);
  --red: #ef4444;
  --red-dim: rgba(239,68,68,0.08);
  --amber: #f59e0b;
  --blue: #3b82f6;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow: 0 8px 40px rgba(0,0,0,0.4);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', monospace;
  --font-alt: 'Manrope', 'Inter', sans-serif;
  --transition: 200ms ease;
  --z-header: 100;
  --z-overlay: 50;
  --z-content: 10;
  --z-decor: 0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-alt);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
  border-radius: 4px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
h1, h2, h3, .logo { font-family: var(--font); }

/* --- Container --- */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-full { width: 100%; padding: 0 48px; }

/* --- Icon System --- */
svg.icon { display: inline-block; vertical-align: middle; flex-shrink: 0; }
svg.icon--inline { vertical-align: -0.125em; }
.trust-item__icon svg, .arch-module__icon svg { color: var(--accent-2); }
.autonomy-level__icon svg { color: var(--text); }
.cta-option svg { color: var(--accent-2); margin-right: 0.3rem; }
.footer-social a svg { color: var(--text-2); margin-right: 0.2rem; }
.dot-icon { display: inline-block; width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot-icon--red { background: var(--red); }
.dot-icon--amber { background: var(--amber); }
.dot-icon--orange { background: #f97316; }
.market-item__dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.market-item__dot--red { background: var(--red); }
.market-item__dot--amber { background: var(--amber); }
.market-item__dot--green { background: var(--green); }
.market-item__dot--blue { background: var(--blue); }

/* --- Typography --- */
h1 { font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; }
h2 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
h3 { font-weight: 600; letter-spacing: -0.01em; line-height: 1.2; }
.eyebrow {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent-2); margin-bottom: 0.75rem;
  font-family: var(--font-mono);
}

/* --- Header --- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-header);
  background: rgba(8,9,12,0.88);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
}
.logo { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.02em; }
.logo span { color: var(--accent-2); }
.nav { display: flex; gap: 1.8rem; align-items: center; }
.nav a { font-size: 0.85rem; color: var(--text-2); transition: var(--transition); font-weight: 500; cursor: pointer; }
.nav a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent); color: #fff; padding: 0.45rem 1.3rem;
  border-radius: 8px; font-weight: 600; font-size: 0.82rem;
  transition: var(--transition); cursor: pointer;
}
.nav-cta:hover { background: var(--accent-2); }

/* --- Buttons --- */
.btn-primary {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 0.9rem 2rem; border-radius: 10px; font-weight: 600; font-size: 1rem;
  transition: var(--transition); border: none; text-align: center; cursor: pointer;
}
.btn-primary:hover { background: #7c6df0; box-shadow: 0 8px 30px var(--accent-glow); }
.btn-secondary {
  display: inline-block; background: transparent; color: var(--text);
  padding: 0.9rem 2rem; border-radius: 10px; font-weight: 600; font-size: 1rem;
  border: 1px solid var(--border-hover); transition: var(--transition); cursor: pointer;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent-2); }
.btn-ghost {
  display: inline-block; background: transparent; color: var(--text-2);
  padding: 0.9rem 2rem; font-weight: 500; font-size: 0.95rem; transition: var(--transition); cursor: pointer;
}
.btn-ghost:hover { color: var(--text); }

/* =============================================
   SECTION 1 — HERO (Command Center)
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 120px 0 60px;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 1000px; height: 1000px;
  background: radial-gradient(circle, rgba(108,92,231,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.hero-split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
  min-height: 70vh;
}
.hero h1 {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.05;
  margin-bottom: 1.2rem;
}
.hero h1 em { font-style: normal; color: var(--accent-2); }
.hero-sub {
  color: var(--text-2); font-size: 1.1rem; line-height: 1.6;
  margin-bottom: 1.8rem; max-width: 480px;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.hero-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.hero-tags span {
  padding: 0.3rem 0.8rem; border-radius: 6px;
  background: var(--bg-card); border: 1px solid var(--border);
  font-size: 0.78rem; color: var(--text-2);
}

/* Command Center — Hero Right */
.command-center {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.command-center__bar {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.8rem 1.2rem;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}
.command-center__dot { width: 8px; height: 8px; border-radius: 50%; }
.command-center__dot--red { background: #ef4444; }
.command-center__dot--amber { background: #f59e0b; }
.command-center__dot--green { background: #10b981; }
.command-center__title { font-size: 0.7rem; color: var(--text-3); margin-left: 0.5rem; font-family: var(--font-mono); letter-spacing: 0.05em; }
.command-center__body { padding: 2rem; }
.command-center__status {
  display: flex; align-items: center; gap: 0.5rem;
  margin-bottom: 1.5rem; padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.command-center__status-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
.command-center__status-text { font-size: 0.75rem; color: var(--green); font-family: var(--font-mono); }
.command-center__status-time { font-size: 0.7rem; color: var(--text-3); margin-left: auto; font-family: var(--font-mono); }
.command-center__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem; margin-bottom: 1.5rem;
}
.command-center__metric {
  padding: 1rem; background: var(--bg-2);
  border-radius: 10px; border: 1px solid var(--border);
}
.command-center__metric-label { font-size: 0.7rem; color: var(--text-3); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.3rem; }
.command-center__metric-value { font-size: 1.8rem; font-weight: 800; font-family: var(--font-mono); line-height: 1; }
.command-center__metric-value--up { color: var(--green); }
.command-center__metric-value--down { color: var(--red); }
.command-center__metric-change { font-size: 0.7rem; margin-top: 0.2rem; }
.command-center__metric-change--up { color: var(--green); }
.command-center__metric-change--down { color: var(--red); }
.command-center__alerts { margin-bottom: 1.2rem; }
.command-center__alert {
  padding: 0.6rem 0; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 0.6rem; font-size: 0.82rem;
}
.command-center__alert:last-child { border-bottom: none; }
.command-center__alert-badge {
  font-size: 0.6rem; padding: 0.15rem 0.4rem; border-radius: 4px;
  font-weight: 600; font-family: var(--font-mono);
}
.command-center__alert-badge--problem { background: var(--red-dim); color: var(--red); }
.command-center__alert-badge--warning { background: rgba(245,158,11,0.1); color: var(--amber); }
.command-center__alert-badge--success { background: var(--green-dim); color: var(--green); }
.command-center__action {
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  border-radius: 8px; padding: 0.7rem 1rem; font-size: 0.82rem;
  color: var(--accent-2); text-align: center; font-weight: 500; cursor: pointer;
}

/* =============================================
   SECTION 2 — PAIN (Business Day Timeline)
   ============================================= */
.pain {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg), var(--bg-2));
}
.pain-header { text-align: center; margin-bottom: 3rem; }
.pain-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 1rem;
}
.pain-header p { color: var(--text-2); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }
.timeline { max-width: 720px; margin: 0 auto; }
.timeline-item {
  display: grid; grid-template-columns: 80px 1fr;
  gap: 1.5rem; padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.timeline-item:last-child { border-bottom: none; }
.timeline-item__time {
  font-size: 0.8rem; font-family: var(--font-mono); color: var(--text-3);
  font-weight: 600;
}
.timeline-item__content { font-size: 0.95rem; color: var(--text-2); line-height: 1.5; }
.timeline-item__content strong { color: var(--text); font-weight: 600; }
.timeline-item__icon { font-size: 1.1rem; }
.pain-conclusion {
  text-align: center; margin-top: 3rem; max-width: 560px; margin-left: auto; margin-right: auto;
}
.pain-conclusion p { color: var(--text-2); font-size: 1.1rem; line-height: 1.6; }
.pain-conclusion strong { color: var(--text); }

/* =============================================
   SECTION 3 — AI SALES (Full Chat Demo)
   ============================================= */
.sales {
  padding: 100px 0;
}
.sales-header { margin-bottom: 3rem; }
.sales-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 0.8rem;
}
.sales-header p { color: var(--text-2); font-size: 1.05rem; max-width: 520px; }
.sales-demo {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.5rem; max-width: 960px; margin: 0 auto;
}
.chat-ui {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.chat-ui__header {
  padding: 0.8rem 1.2rem;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 0.7rem;
}
.chat-ui__avatar {
  width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700;
}
.chat-ui__avatar--client { background: var(--bg-2); color: var(--text-2); border: 1px solid var(--border); }
.chat-ui__avatar--ai { background: var(--accent-dim); color: var(--accent-2); border: 1px solid var(--border-accent); }
.chat-ui__name { font-size: 0.8rem; font-weight: 600; }
.chat-ui__status { font-size: 0.7rem; color: var(--green); }
.chat-ui__body { padding: 1.2rem; }
.chat-bubble {
  padding: 0.8rem 1rem; border-radius: 12px; margin-bottom: 0.8rem;
  font-size: 0.85rem; line-height: 1.45; max-width: 88%;
}
.chat-bubble--client {
  background: var(--bg-2); border: 1px solid var(--border);
  margin-right: auto;
}
.chat-bubble--ai {
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  margin-left: auto;
}
.chat-bubble--typing {
  background: var(--bg-2); border: 1px solid var(--border);
  margin-left: auto; color: var(--text-3);
  display: flex; gap: 0.3rem; padding: 0.8rem 1.2rem;
}
.chat-bubble--typing span { animation: typing 1.4s infinite; }
.chat-bubble--typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-bubble--typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

.intel-ui {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.intel-ui__header {
  padding: 0.8rem 1.2rem;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}
.intel-ui__header-title { font-size: 0.7rem; color: var(--accent-2); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; }
.intel-ui__body { padding: 1.2rem; }
.intel-row {
  display: flex; justify-content: space-between; padding: 0.7rem 0;
  border-bottom: 1px solid var(--border); font-size: 0.85rem;
}
.intel-row:last-child { border-bottom: none; }
.intel-row__key { color: var(--text-3); }
.intel-row__value { font-weight: 600; }
.intel-row__value--hot { color: var(--red); }
.intel-row__value--warm { color: var(--amber); }
.intel-tag {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 4px;
  font-size: 0.7rem; font-weight: 600; background: var(--accent-dim); color: var(--accent-2);
}
.intel-action {
  margin-top: 0.8rem; background: var(--accent-dim);
  border: 1px solid var(--border-accent); border-radius: 8px;
  padding: 0.7rem 1rem; font-size: 0.82rem; color: var(--accent-2);
  text-align: center; font-weight: 500; cursor: pointer;
}
.sales-statement {
  text-align: center; margin-top: 2.5rem;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* =============================================
   SECTION 4 — STATEMENT (Full-screen "Он не отвечает")
   ============================================= */
.statement {
  padding: 120px 0;
  background: var(--bg-2);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.statement::before {
  content: ''; position: absolute; top: -50%; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(108,92,231,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.statement h2 {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 800; line-height: 1.1; margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}
.statement h2:first-child { color: var(--text-2); }
.statement h2:last-child {
  background: linear-gradient(135deg, #fff, var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 2rem;
}
.statement-flow {
  display: flex; justify-content: center; gap: 0.5rem; flex-wrap: wrap;
  max-width: 700px; margin: 0 auto;
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-3);
}
.statement-flow span { padding: 0.4rem 0.8rem; background: var(--bg-card); border-radius: 6px; border: 1px solid var(--border); }
.statement-flow .arrow { background: transparent; border: none; padding: 0.4rem 0.2rem; }
.statement-flow .done { color: var(--green); border-color: rgba(16,185,129,0.2); }

/* =============================================
   SECTION 5 — ANALYTICS (Single Case Study)
   ============================================= */
.analytics {
  padding: 100px 0;
}
.analytics-header { margin-bottom: 3rem; }
.analytics-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 0.8rem;
}
.analytics-header p { color: var(--text-2); font-size: 1.05rem; max-width: 480px; }
.analytics-case {
  max-width: 800px; margin: 0 auto;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); overflow: hidden;
}
.analytics-case__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.8rem 1.5rem;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}
.analytics-case__bar-title { font-size: 0.7rem; color: var(--text-3); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; }
.analytics-case__bar-status { font-size: 0.7rem; color: var(--green); display: flex; align-items: center; gap: 0.4rem; }
.analytics-case__bar-status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.analytics-case__body { padding: 2rem; }
.analytics-case__problem {
  background: var(--red-dim); border: 1px solid rgba(239,68,68,0.15);
  border-radius: 10px; padding: 1.2rem; margin-bottom: 1.5rem;
}
.analytics-case__problem-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.3rem; }
.analytics-case__problem-source { font-size: 0.8rem; color: var(--text-3); font-family: var(--font-mono); }
.analytics-case__causes { margin-bottom: 1.5rem; }
.analytics-case__cause {
  padding: 0.7rem 0; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 0.6rem; font-size: 0.9rem;
}
.analytics-case__cause:last-child { border-bottom: none; }
.analytics-case__action {
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  border-radius: 10px; padding: 1rem 1.2rem;
  font-size: 0.9rem; color: var(--accent-2); text-align: center; font-weight: 500; cursor: pointer;
}
.analytics-case__chain {
  display: flex; justify-content: center; gap: 0.3rem; flex-wrap: wrap;
  margin-top: 1.5rem; padding: 1rem; background: var(--bg-2); border-radius: 8px;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-3);
}
.analytics-case__chain span { color: var(--accent-2); }

/* =============================================
   SECTION 6 — MARKET INTELLIGENCE
   ============================================= */
.market {
  padding: 100px 0;
  background: var(--bg-2);
}
.market-header { margin-bottom: 3rem; }
.market-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 0.8rem;
}
.market-header p { color: var(--text-2); font-size: 1.05rem; max-width: 480px; }
.market-screen {
  max-width: 780px; margin: 0 auto;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); overflow: hidden;
}
.market-screen__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.8rem 1.5rem;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}
.market-screen__bar-title { font-size: 0.7rem; color: var(--text-3); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; }
.market-screen__bar-status { font-size: 0.7rem; color: var(--green); display: flex; align-items: center; gap: 0.4rem; }
.market-screen__bar-status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.market-screen__body { padding: 1.5rem; }
.market-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 0; border-bottom: 1px solid var(--border);
}
.market-item:last-child { border-bottom: none; }
.market-item__icon { font-size: 1.1rem; flex-shrink: 0; }
.market-item__text { flex: 1; }
.market-item__text-title { font-size: 0.9rem; font-weight: 500; }
.market-item__text-desc { font-size: 0.78rem; color: var(--text-3); margin-top: 0.2rem; }
.market-item__action {
  font-size: 0.78rem; color: var(--accent-2); font-weight: 600; flex-shrink: 0;
  padding: 0.3rem 0.8rem; border-radius: 6px; border: 1px solid var(--border-accent);
  transition: var(--transition); cursor: pointer;
}
.market-item__action:hover { background: var(--accent-dim); }

/* =============================================
   SECTION 7 — LISTINGS (Before/After)
   ============================================= */
.listings {
  padding: 100px 0;
}
.listings-header { margin-bottom: 3rem; }
.listings-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 0.8rem;
}
.listings-header p { color: var(--text-2); font-size: 1.05rem; max-width: 480px; }
.listings-compare {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2rem; max-width: 800px; margin: 0 auto;
}
.listing-card {
  padding: 2rem; border-radius: var(--radius-xl);
  border: 1px solid var(--border);
}
.listing-card--before { background: var(--bg-card); }
.listing-card--after {
  background: var(--green-dim); border-color: rgba(16,185,129,0.15);
}
.listing-card__label {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: 1.2rem; font-family: var(--font-mono);
}
.listing-card--before .listing-card__label { color: var(--text-3); }
.listing-card--after .listing-card__label { color: var(--green); }
.listing-card__title {
  font-size: 1rem; margin-bottom: 0.5rem; line-height: 1.3;
}
.listing-card--before .listing-card__title { color: var(--text-3); }
.listing-card--after .listing-card__title { color: var(--text); font-weight: 600; }
.listing-card__price { font-size: 1.3rem; font-weight: 700; font-family: var(--font-mono); margin-bottom: 0.5rem; }
.listing-card__desc { font-size: 0.85rem; color: var(--text-2); line-height: 1.5; margin-bottom: 0.8rem; }
.listing-card__badge {
  display: inline-block; font-size: 0.7rem; padding: 0.2rem 0.6rem; border-radius: 4px;
  font-weight: 600; font-family: var(--font-mono);
}
.listing-card--before .listing-card__badge { background: var(--red-dim); color: var(--red); }
.listing-card--after .listing-card__badge { background: var(--green-dim); color: var(--green); }
.listing-card__changes { margin-top: 1rem; }
.listing-card__change {
  font-size: 0.78rem; color: var(--green); padding: 0.2rem 0;
  font-family: var(--font-mono);
}
.listing-card__change::before { content: '✓ '; }

/* =============================================
   SECTION 8 — ARCHITECTURE (Control Center)
   ============================================= */
.arch {
  padding: 100px 0;
  background: var(--bg-2);
  text-align: center;
}
.arch-header { margin-bottom: 3rem; }
.arch-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 0.8rem;
}
.arch-header p { color: var(--text-2); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }
.arch-center {
  max-width: 700px; margin: 0 auto;
  position: relative;
}
.arch-center__core {
  display: inline-block;
  padding: 1.5rem 3rem; margin-bottom: 2.5rem;
  background: var(--bg-card); border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  box-shadow: 0 0 40px rgba(108,92,231,0.06);
}
.arch-center__core-label { font-size: 0.65rem; color: var(--accent-2); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.3rem; }
.arch-center__core-name { font-size: 1.2rem; font-weight: 700; }
.arch-modules {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.arch-module {
  padding: 1.5rem; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); transition: var(--transition);
}
.arch-module:hover { border-color: var(--accent); }
.arch-module__icon { font-size: 1.5rem; margin-bottom: 0.6rem; }
.arch-module h3 { font-size: 0.9rem; margin-bottom: 0.3rem; }
.arch-module p { font-size: 0.78rem; color: var(--text-3); line-height: 1.4; }
.arch-tagline { margin-top: 2rem; font-size: 1.1rem; color: var(--text-2); }
.arch-tagline strong { color: var(--text); }
.arch-tech {
  margin-top: 0.5rem; font-size: 0.7rem; color: var(--text-3); font-family: var(--font-mono);
}

/* =============================================
   SECTION 9 — AUTONOMY (Scale)
   ============================================= */
.autonomy {
  padding: 100px 0;
}
.autonomy-header { margin-bottom: 3rem; }
.autonomy-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 0.8rem;
}
.autonomy-header p { color: var(--text-2); font-size: 1.05rem; max-width: 480px; }
.autonomy-scale {
  max-width: 800px; margin: 0 auto;
}
.autonomy-level {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem; margin-bottom: 2rem;
}
.autonomy-level__card {
  padding: 1.8rem; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--bg-card);
  text-align: center; transition: var(--transition);
}
.autonomy-level__card:hover { border-color: var(--accent); }
.autonomy-level__card--active { border-color: var(--accent); background: var(--accent-dim); }
.autonomy-level__icon { font-size: 1.8rem; margin-bottom: 0.5rem; }
.autonomy-level__title { font-size: 1rem; font-weight: 700; margin-bottom: 0.2rem; }
.autonomy-level__sub { font-size: 0.7rem; color: var(--text-3); font-family: var(--font-mono); margin-bottom: 0.6rem; }
.autonomy-level__desc { font-size: 0.82rem; color: var(--text-2); line-height: 1.5; }
.autonomy-demo {
  max-width: 700px; margin: 0 auto;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 1.5rem 2rem;
}
.autonomy-demo__scenario {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.8rem 0; border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.autonomy-demo__scenario:last-child { border-bottom: none; }
.autonomy-demo__level-tag {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
  padding: 0.2rem 0.5rem; border-radius: 4px; font-family: var(--font-mono);
  flex-shrink: 0;
}
.autonomy-demo__level-tag--assist { background: rgba(245,158,11,0.1); color: var(--amber); }
.autonomy-demo__level-tag--auto { background: rgba(59,130,246,0.1); color: var(--blue); }
.autonomy-demo__level-tag--full { background: var(--green-dim); color: var(--green); }
.autonomy-demo__text { color: var(--text-2); }
.autonomy-demo__text strong { color: var(--text); }

/* =============================================
   SECTION 10 — ADAPTATION (WOW)
   ============================================= */
.wow {
  padding: 100px 0;
  background: var(--bg-2);
}
.wow-header { margin-bottom: 3rem; }
.wow-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 0.8rem;
}
.wow-header p { color: var(--text-2); font-size: 1.05rem; max-width: 520px; }
.wow-dialog {
  max-width: 640px; margin: 0 auto;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); overflow: hidden;
}
.wow-dialog__msg {
  padding: 1.2rem 1.5rem; border-bottom: 1px solid var(--border);
}
.wow-dialog__msg:last-child { border-bottom: none; }
.wow-dialog__msg--user { background: rgba(108,92,231,0.03); }
.wow-dialog__msg--system { background: var(--bg-2); }
.wow-dialog__who {
  font-size: 0.72rem; font-weight: 600; margin-bottom: 0.4rem;
}
.wow-dialog__who--user { color: var(--accent-2); }
.wow-dialog__who--system { color: var(--green); }
.wow-dialog__text { font-size: 0.9rem; color: var(--text-2); line-height: 1.5; }
.wow-dialog__text .ok { color: var(--green); }
.wow-dialog__text .info { color: var(--text-3); }
.wow-dialog__status {
  display: inline-block; background: var(--green-dim); color: var(--green);
  padding: 0.2rem 0.6rem; border-radius: 4px; font-size: 0.75rem;
  font-family: var(--font-mono); margin-top: 0.5rem;
}
.wow-tagline {
  text-align: center; margin-top: 1.5rem;
  font-size: 0.95rem; color: var(--accent-2); font-weight: 600;
}

/* =============================================
   SECTION 11 — TRUST (Visual Center)
   ============================================= */
.trust {
  padding: 100px 0;
}
.trust-header { text-align: center; margin-bottom: 3rem; }
.trust-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 0.8rem;
}
.trust-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem; max-width: 800px; margin: 0 auto;
}
.trust-item {
  padding: 1.5rem; text-align: center;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.trust-item__icon { font-size: 1.6rem; margin-bottom: 0.6rem; }
.trust-item h3 { font-size: 0.9rem; margin-bottom: 0.3rem; }
.trust-item p { font-size: 0.8rem; color: var(--text-2); line-height: 1.5; }

/* =============================================
   SECTION 12 — FOUNDER
   ============================================= */
.founder {
  padding: 100px 0;
  background: var(--bg-2);
}
.founder-grid {
  display: grid; grid-template-columns: 0.6fr 1.4fr;
  gap: 3rem; max-width: 800px; margin: 0 auto; align-items: center;
}
.founder-photo { text-align: center; }
.founder-photo img {
  width: 200px; height: 200px; border-radius: 50%;
  object-fit: cover; border: 3px solid var(--border);
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
.founder-photo__name { margin-top: 0.8rem; font-weight: 700; font-size: 1rem; }
.founder-photo__role { font-size: 0.75rem; color: var(--text-3); font-family: var(--font-mono); }
.founder-text h3 { font-size: 1.1rem; margin-bottom: 0.8rem; color: var(--accent-2); }
.founder-text p { font-size: 0.9rem; color: var(--text-2); line-height: 1.7; margin-bottom: 0.8rem; }
.founder-text .hl { color: var(--text); font-weight: 600; }
.founder-text .tech-note { font-size: 0.75rem; color: var(--text-3); font-family: var(--font-mono); margin-top: 0.5rem; }

/* =============================================
   SECTION 13 — CTA
   ============================================= */
.cta-section {
  padding: 100px 0;
}
.cta-block {
  max-width: 700px; margin: 0 auto;
  text-align: center;
}
.cta-block h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 0.8rem;
}
.cta-block p { color: var(--text-2); font-size: 1.05rem; margin-bottom: 2rem; }
.cta-options {
  display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center;
  margin-bottom: 2rem;
}
.cta-option {
  padding: 0.6rem 1.2rem; border-radius: 8px;
  background: var(--bg-card); border: 1px solid var(--border);
  font-size: 0.88rem; color: var(--text-2); transition: var(--transition); cursor: pointer;
}
.cta-option:hover { border-color: var(--accent); color: var(--text); }
.cta-block .btn-primary { font-size: 1.1rem; padding: 1rem 2.5rem; }
.cta-block .sub { margin-top: 1rem; font-size: 0.85rem; color: var(--text-3); }
.cta-block .sub a { color: var(--accent-2); }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0; text-align: center;
  font-size: 0.82rem; color: var(--text-3);
}
.footer a { color: var(--text-2); }
.footer a:hover { color: var(--accent-2); }
.footer-social { display: flex; gap: 1rem; justify-content: center; margin: 1rem 0; }
.footer-social a { font-size: 0.85rem; display: flex; align-items: center; gap: 0.4rem; }

/* --- Case Study --- */
.case-study { padding: 4rem 0; background: var(--bg-2); }
.case-header { text-align: center; margin-bottom: 3rem; }
.case-header h2 { font-size: 1.8rem; margin-bottom: 0.8rem; }
.case-header p { color: var(--text-2); font-size: 0.95rem; }
.case-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
}
.case-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; text-align: center;
  transition: var(--transition);
}
.case-item:hover { border-color: var(--border-hover); }
.case-item--accent {
  background: var(--accent-dim); border-color: var(--border-accent);
}
.case-item__label { font-size: 0.8rem; color: var(--text-3); margin-bottom: 0.5rem; font-weight: 500; }
.case-item__value { font-size: 2rem; font-weight: 800; color: var(--text); margin-bottom: 0.3rem; }
.case-item__value.zero { font-size: 1.2rem; font-weight: 700; }
.case-item--accent .case-item__value { color: var(--accent-2); }
.case-item__desc { font-size: 0.82rem; color: var(--text-3); line-height: 1.4; }
.case-note { text-align: center; color: var(--text-3); font-size: 0.78rem; margin-top: 1.5rem; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .hero-split { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero h1 { font-size: 2.8rem; }
  .hero-sub { max-width: 100%; }
  .sales-demo { grid-template-columns: 1fr; }
  .arch-modules { grid-template-columns: repeat(2, 1fr); }
  .autonomy-level { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .case-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .hero { padding: 100px 0 40px; min-height: auto; }
  .hero h1 { font-size: 2.2rem; }
  .hero-split { gap: 2rem; }
  .command-center__body { padding: 1.2rem; }
  .command-center__grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 0.3rem; }
  .timeline-item__time { font-size: 0.7rem; }
  .statement h2 { font-size: 2.2rem; }
  .statement-flow { font-size: 0.75rem; }
  .listings-compare { grid-template-columns: 1fr; }
  .arch-modules { grid-template-columns: 1fr; }
  .autonomy-level { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .founder-grid { grid-template-columns: 1fr; text-align: center; }
  .analytics-case__body { padding: 1.2rem; }
  .market-screen__body { padding: 1rem; }
  .listing-card { padding: 1.5rem; }
  .cta-options { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-cta { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; text-align: center; }
  .hero h1 { font-size: 1.8rem; }
  .command-center__metric-value { font-size: 1.4rem; }
  .analytics-case__chain { flex-direction: column; align-items: center; }
  .autonomy-demo { padding: 1rem; }
  .autonomy-demo__scenario { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
}

/* --- Flagship (парсинг + автоцены) --- */
.flagship {
  padding: 5rem 0;
  background: var(--bg-2);
}
.flagship-header { text-align: center; margin-bottom: 3rem; }
.flagship-header h2 { font-size: 2rem; line-height: 1.2; margin-bottom: 1rem; }
.flagship-header p { color: var(--text-2); max-width: 600px; margin: 0 auto; font-size: 1rem; line-height: 1.6; }
.flagship-demo {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.flagship-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}
.flagship-step:hover { border-color: var(--border-hover); }
.flagship-step__num {
  font-size: 0.75rem; font-weight: 700; color: var(--accent);
  letter-spacing: 0.05em; margin-bottom: 0.5rem;
}
.flagship-step__title { font-size: 1rem; font-weight: 600; margin-bottom: 0.4rem; }
.flagship-step__desc { font-size: 0.85rem; color: var(--text-2); line-height: 1.5; }
.flagship-note {
  text-align: center; padding: 1rem; border-radius: var(--radius);
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  font-size: 0.9rem; color: var(--text-2);
}
.flagship-note strong { color: var(--accent-2); }

/* --- Integrations + FAQ --- */
.integrations-faq { padding: 4rem 0; }
.integrations-header { text-align: center; margin-bottom: 2rem; }
.integrations-header h2 { font-size: 1.8rem; margin-bottom: 0.5rem; }
.integrations-header p { color: var(--text-2); }
.integrations-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.integration-chip {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-2);
  transition: var(--transition);
}
.integration-chip:hover {
  border-color: var(--border-accent);
  color: var(--accent-2);
}
.integrations-note {
  text-align: center;
  color: var(--text-3);
  font-size: 0.82rem;
  margin-bottom: 3rem;
}
.faq-header { text-align: center; margin-bottom: 1.5rem; }
.faq-header h3 { font-size: 1.3rem; }
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
.faq-item summary {
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--accent);
  transition: var(--transition);
}
.faq-item[open] summary::after { content: '−'; }
.faq-item p {
  margin-top: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.5;
}

/* --- Hero goal example --- */
.hero-goal {
  margin-top: 1.2rem;
  font-size: 0.85rem;
  color: var(--text-2);
  border-left: 2px solid var(--accent-dim);
  padding-left: 0.8rem;
}
.hero-goal__label { font-weight: 600; color: var(--accent-2); }

/* --- Mobile: Flagship --- */
@media (max-width: 768px) {
  .flagship-demo { grid-template-columns: 1fr; }
}