/* ── Reset & Base ──────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;margin:0;padding:0;overflow-x:hidden;background:#fff;color:var(--text-body)}
img{max-width:100%;display:block}
a{text-decoration:none}
button{font-family:inherit}

/* ── CSS Variables (Avito Theme) ─────────── */
:root{
  --accent:#00AAFF;
  --accent-light:#33BBFF;
  --accent-dark:#0088CC;
  --glow:rgba(0,170,255,.12);
  --dark:#09090B;
  --surface:#18181B;
  --surface-light:#27272A;
  --border:rgba(255,255,255,.06);
  --text:#FAFAFA;
  --text-muted:rgba(250,250,250,.5);
  --text-dim:rgba(250,250,250,.3);
  --green:#34D399;
  --green-bg:rgba(52,211,153,.1);
  --ease:cubic-bezier(.22,1,.36,1);
  /* Light palette */
  --text-body:#18181B;
  --text-secondary:#71717A;
  --text-tertiary:#52525B;
  --muted:#A1A1AA;
  --border-light:#E4E4E7;
  --bg-subtle:#FAFAFA;
  --bg-hover:#F4F4F5;
}

/* ── Scrollbar ─────────────────────────────── */
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:2px}

/* ── Typography ────────────────────────────── */
.label-sm{font-size:13px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin-bottom:0}
.heading-lg{font-size:clamp(26px,3.5vw,40px);font-weight:800;color:var(--text-body);margin-top:10px;letter-spacing:-.02em}

/* ── Buttons ───────────────────────────────── */
.btn-primary{
  display:inline-block;padding:14px 32px;border-radius:12px;
  background:var(--accent);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 4px 20px rgba(0,170,255,.25);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  cursor:pointer;border:none;position:relative;overflow:hidden;
}
.btn-primary::after{
  content:'';position:absolute;inset:0;border-radius:inherit;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);
  background-size:200% 100%;animation:shimmer 3s ease-in-out infinite;
  pointer-events:none;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 4px rgba(0,170,255,.2),0 8px 30px rgba(0,170,255,.35)}
.btn-primary:active{transform:translateY(0) scale(.97)}
.btn-primary--lg{font-size:17px;padding:16px 44px}

.btn-ghost{
  display:inline-block;padding:14px 32px;border-radius:12px;
  background:transparent;border:1px solid var(--border);color:var(--text-muted);
  font-size:15px;font-weight:600;transition:border-color .2s,color .2s;cursor:pointer;
}
.btn-ghost:hover{border-color:rgba(0,170,255,.4);color:var(--accent-light)}

/* ── Pill ──────────────────────────────────── */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:100px;
  background:rgba(0,170,255,.08);border:1px solid rgba(0,170,255,.15);
  font-size:13px;font-weight:500;color:var(--accent);
}

/* ── Grain overlay ─────────────────────────── */
.grain{
  position:absolute;inset:0;opacity:.03;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat:repeat;background-size:128px;
}

/* ── Grid overlay ──────────────────────────── */
.grid-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:80px 80px;
}

/* ── GSAP reveal targets ───────────────────── */
.gs-word{display:inline-block}

/* ── Keyframes ─────────────────────────────── */
@keyframes dotWave{
  0%,100%{transform:translateY(0);opacity:.4}
  50%{transform:translateY(-5px);opacity:1}
}
@keyframes glowPulse{
  0%,100%{transform:translateX(-50%) scale(1)}
  50%{transform:translateX(-50%) scale(1.05)}
}
@keyframes onlinePulse{
  0%,100%{transform:scale(1);opacity:1}
  50%{transform:scale(1.4);opacity:.6}
}
@keyframes msgIn{
  from{opacity:0;transform:translateY(16px) scale(.94)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
@keyframes shimmer{
  0%{background-position:-200% center}
  100%{background-position:200% center}
}
@keyframes wSlide{
  from{opacity:0;transform:translateY(20px) scale(.95)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
@keyframes typing{
  0%,100%{opacity:.3;transform:scale(.85)}
  50%{opacity:1;transform:scale(1)}
}

/* ── Section centering ─────────────────────── */
.section-header{text-align:center;margin-bottom:56px;max-width:1200px;margin-left:auto;margin-right:auto}
.section-header--sm{max-width:700px}
.section-header--md{max-width:1000px}
.section-sub{font-size:15px;color:var(--text-secondary);margin-top:8px;max-width:520px;margin-left:auto;margin-right:auto}

/* ═══════════════════════════════════════════════
   NAV
   ═══════════════════════════════════════════════ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(9,9,11,.85);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border-bottom-color:var(--border);
}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo-icon{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#8B5CF6,#6D28D9);display:flex;align-items:center;justify-content:center}
.nav-logo-icon span{color:#fff;font-weight:800;font-size:15px;letter-spacing:-.02em}
.nav-logo-text{font-weight:700;font-size:17px;color:var(--text);letter-spacing:-.02em}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{font-size:14px;font-weight:450;color:var(--text-muted);transition:color .2s}
.nav-link:hover{color:var(--text)}
.nav-cta{padding:9px 20px;border-radius:9px;background:var(--accent);color:#fff;font-size:14px;font-weight:600;border:none;cursor:pointer;transition:box-shadow .2s,transform .2s}
.nav-cta:hover{box-shadow:0 0 0 4px rgba(0,170,255,.18);transform:translateY(-1px)}
.nav-burger{background:none;border:none;cursor:pointer;padding:8px;display:none}
.nav-mobile{display:none;background:var(--dark);padding:8px 24px 16px;border-top:1px solid var(--border);overflow:hidden}
.nav-mobile a{display:block;padding:14px 0;font-size:15px;color:var(--text-muted);border-bottom:1px solid var(--border)}
.nav-mobile .nav-mobile-cta{display:block;text-align:center;margin-top:14px;padding:12px;border-radius:10px;background:var(--accent);color:#fff;font-weight:600;border:none}

@media(max-width:768px){
  .nav-links{display:none !important}
  .nav-burger{display:block}
  .nav-mobile.open{display:block}
}

/* ═══════════════════════════════════════════════
   HERO — centered with Avito mockup
   ═══════════════════════════════════════════════ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:var(--dark);overflow:hidden}
.hero-glow{
  position:absolute;top:-15%;left:50%;transform:translateX(-50%);
  width:900px;height:600px;border-radius:50%;
  background:radial-gradient(ellipse,var(--glow),transparent 70%);
  animation:glowPulse 8s ease-in-out infinite;
}
.hero-split{
  max-width:1200px;margin:0 auto;padding:130px 24px 80px;position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.hero h1{font-size:clamp(32px,4.5vw,54px);font-weight:800;color:var(--text);line-height:1.08;margin:24px 0 0;letter-spacing:-.03em}
.hero h1 .accent{color:var(--accent-light)}
.hero-sub{font-size:clamp(15px,1.6vw,17px);color:var(--text-muted);line-height:1.6;max-width:480px;margin-top:18px}
.hero-buttons{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-trust{display:flex;gap:14px;margin-top:20px;flex-wrap:wrap}
.hero-trust span{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--text-dim)}
.hero-trust svg{flex-shrink:0}

/* Avito chat mockup */
.avito-mockup{
  max-width:380px;margin-left:auto;
  background:var(--surface);border-radius:20px;overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.45);border:1px solid var(--border);
}
.avito-mockup-header{
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  padding:16px 20px;display:flex;align-items:center;gap:12px;
}
.avito-mockup-avatar{
  width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.avito-mockup-name{color:#fff;font-weight:700;font-size:14px}
.avito-mockup-status{color:rgba(255,255,255,.6);font-size:11px;display:flex;align-items:center;gap:5px}
.avito-mockup-dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:onlinePulse 2s ease-in-out infinite}
.avito-mockup-body{padding:16px;display:flex;flex-direction:column;gap:10px;min-height:220px}
.avito-msg{max-width:85%;padding:10px 14px;font-size:13px;line-height:1.5;color:var(--text)}
.avito-msg--user{
  align-self:flex-end;background:var(--accent);
  border-radius:14px 14px 4px 14px;
}
.avito-msg--bot{
  align-self:flex-start;background:var(--surface-light);
  border-radius:14px 14px 14px 4px;
}
.avito-msg--bot .avito-msg-label{
  font-size:10px;font-weight:700;color:var(--accent-light);margin-bottom:4px;
}
.avito-mockup-time{
  font-size:10px;color:var(--text-dim);text-align:center;padding:4px 0;
}

@media(max-width:768px){
  .hero-split{grid-template-columns:1fr;text-align:center}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-buttons{justify-content:center}
  .hero-trust{justify-content:center}
  .avito-mockup{display:none}
}

/* ═══════════════════════════════════════════════
   INTEGRATIONS BAR
   ═══════════════════════════════════════════════ */
.integrations-bar{padding:36px 24px;background:#fff;border-bottom:1px solid var(--bg-hover)}
.integrations-bar-inner{max-width:1200px;margin:0 auto;text-align:center}
.integrations-bar-label{font-size:13px;color:var(--muted);margin-bottom:16px;font-weight:500}
.integrations-bar-list{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.intg-pill{
  display:flex;align-items:center;gap:5px;padding:6px 14px;border-radius:8px;
  background:var(--bg-subtle);border:1px solid var(--border-light);
  transition:border-color .2s;cursor:default;
}
.intg-pill:hover{border-color:rgba(0,170,255,.4)}
.intg-dot{width:7px;height:7px;border-radius:50%}
.intg-name{font-size:12px;font-weight:600;color:#3F3F46}

/* ═══════════════════════════════════════════════
   PROBLEM → SOLUTION (3 cards with mini-dialogues)
   ═══════════════════════════════════════════════ */
.problems{padding:100px 24px;background:#fff}
.problems-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1200px;margin:0 auto}
.problem-card{
  background:var(--bg-subtle);border-radius:20px;padding:28px;
  border:1px solid var(--border-light);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.problem-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.06)}
.problem-card-icon{
  width:44px;height:44px;border-radius:12px;
  background:rgba(0,170,255,.08);border:1px solid rgba(0,170,255,.12);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.problem-card h3{font-size:17px;font-weight:800;color:var(--text-body);margin-bottom:6px}
.problem-card > p{font-size:14px;color:var(--text-secondary);margin-bottom:16px;line-height:1.5}
.problem-dialog{
  background:#fff;border-radius:14px;padding:14px;
  border:1px solid var(--border-light);
}
.problem-dialog-msg{display:flex;gap:8px;margin-bottom:8px;align-items:flex-start}
.problem-dialog-msg:last-child{margin-bottom:0}
.problem-dialog-tag{
  flex-shrink:0;width:20px;height:20px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:8px;font-weight:800;color:#fff;
}
.problem-dialog-tag--user{background:#A1A1AA}
.problem-dialog-tag--bot{background:var(--accent)}
.problem-dialog-text{font-size:12px;line-height:1.5;color:var(--text-secondary)}
.problem-dialog-text--bot{color:var(--text-body);font-weight:500}
.problem-highlight{
  max-width:1200px;margin:24px auto 0;padding:16px 24px;
  border-radius:12px;background:rgba(0,170,255,.04);border:1px solid rgba(0,170,255,.12);
  text-align:center;font-size:14px;color:var(--text-secondary);
}
.problem-highlight strong{color:var(--accent);font-weight:700}

@media(max-width:768px){
  .problems-grid{grid-template-columns:1fr}
}

/* ═══════════════════════════════════════════════
   FEATURES — tabbed layout
   ═══════════════════════════════════════════════ */
.features{padding:100px 24px;background:var(--bg-subtle)}
.feat-grid{
  display:grid;grid-template-columns:280px 1fr;gap:0;
  border-radius:20px;overflow:hidden;border:1px solid var(--border-light);
  background:var(--bg-subtle);max-width:1100px;margin:0 auto;
}
.feat-tabs{border-right:1px solid var(--border-light);background:#fff}
.feat-tab{
  width:100%;padding:16px 20px;border:none;
  border-bottom:1px solid var(--bg-hover);
  background:transparent;cursor:pointer;text-align:left;
  transition:all .2s;border-left:3px solid transparent;
  font-family:inherit;
}
.feat-tab:last-child{border-bottom:none}
.feat-tab.active{background:rgba(0,170,255,.04);border-left-color:var(--accent)}
.feat-tab-title{font-size:14px;font-weight:500;color:var(--text-secondary);transition:color .2s}
.feat-tab.active .feat-tab-title{font-weight:700;color:var(--text-body)}
.feat-content{padding:32px;display:flex;flex-direction:column;gap:20px}
.feat-content h3{font-size:20px;font-weight:800;color:var(--text-body);letter-spacing:-.01em}
.feat-content p{font-size:15px;color:var(--text-secondary);line-height:1.6;margin:0;max-width:480px}

/* ── Feature mock prototypes ─────────────── */
.feat-mock{
  width:100%;border-radius:12px;overflow:hidden;
  background:#fff;border:1px solid var(--border-light);
  box-shadow:0 4px 20px rgba(0,0,0,.04);
}
.mock-toolbar{
  padding:10px 16px;background:var(--bg-subtle);
  border-bottom:1px solid var(--border-light);
  display:flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--text-secondary);
}
.mock-toolbar-dot{
  width:8px;height:8px;border-radius:50%;background:var(--accent);
  flex-shrink:0;
}
.mock-toolbar-title{flex:1}

/* ── Mock: Autoreply rules ──────────────── */
.mock-autoreply{padding:12px;display:flex;flex-direction:column;gap:10px}
.mock-rule{
  border:1px solid var(--border-light);border-radius:10px;padding:12px;
  background:var(--bg-subtle);
}
.mock-rule-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}
.mock-rule-trigger{
  display:flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--text-body);
}
.mock-rule-badge{padding:2px 8px;border-radius:6px;font-size:10px;font-weight:700}
.mock-rule-badge--on{background:rgba(52,211,153,.12);color:#059669}
.mock-rule-arrow{text-align:center;font-size:14px;color:var(--muted);line-height:1;margin:2px 0}
.mock-rule-reply{
  font-size:12px;color:var(--text-body);line-height:1.5;
  padding:8px 10px;background:#fff;border-radius:8px;
  border:1px solid var(--border-light);
}
.mock-rule-meta{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap;align-items:center}
.mock-rule-tag{
  padding:2px 8px;border-radius:6px;font-size:10px;font-weight:600;
  background:rgba(0,170,255,.08);color:var(--accent);
}
.mock-rule-stat{font-size:10px;color:var(--muted);margin-left:auto}

/* ── Mock: AI chat ──────────────────────── */
.mock-chat{padding:12px;display:flex;flex-direction:column;gap:8px}
.mock-chat-msg{max-width:88%;padding:8px 12px;font-size:12px;line-height:1.5;border-radius:12px}
.mock-chat-msg--user{
  align-self:flex-end;background:var(--accent);color:#fff;
  border-radius:12px 12px 4px 12px;
}
.mock-chat-msg--ai{
  align-self:flex-start;background:var(--bg-subtle);color:var(--text-body);
  border-radius:12px 12px 12px 4px;display:flex;gap:6px;align-items:flex-start;
}
.mock-chat-ai-badge{
  width:20px;height:20px;border-radius:6px;background:#8B5CF6;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  font-size:8px;color:#fff;font-weight:800;margin-top:1px;
}
.mock-chat-status{
  display:flex;align-items:center;gap:5px;
  font-size:11px;font-weight:600;color:#059669;
  padding:6px 10px;background:rgba(52,211,153,.06);
  border-radius:8px;align-self:center;margin-top:4px;
}

/* ── Mock: Leads ────────────────────────── */
.mock-leads{padding:8px;display:flex;flex-direction:column;gap:6px}
.mock-lead{
  padding:10px 12px;border:1px solid var(--border-light);border-radius:10px;
  background:var(--bg-subtle);
}
.mock-lead-row{display:flex;align-items:center;gap:10px}
.mock-lead-avatar{
  width:32px;height:32px;border-radius:8px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#fff;
}
.mock-lead-avatar--hot{background:linear-gradient(135deg,#EF4444,#DC2626)}
.mock-lead-avatar--warm{background:linear-gradient(135deg,#F59E0B,#D97706)}
.mock-lead-avatar--spam{background:linear-gradient(135deg,#A1A1AA,#71717A)}
.mock-lead-info{flex:1;min-width:0}
.mock-lead-name{font-size:12px;font-weight:700;color:var(--text-body)}
.mock-lead-text{font-size:11px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mock-lead-tag{
  padding:3px 8px;border-radius:6px;font-size:10px;font-weight:700;
  flex-shrink:0;white-space:nowrap;
}
.mock-lead-tag--hot{background:rgba(239,68,68,.1);color:#DC2626}
.mock-lead-tag--warm{background:rgba(245,158,11,.1);color:#D97706}
.mock-lead-tag--spam{background:rgba(161,161,170,.1);color:#71717A}
.mock-lead-meta{display:flex;justify-content:space-between;margin-top:6px;font-size:10px;color:var(--muted)}

/* ── Mock: Accounts ─────────────────────── */
.mock-accounts{padding:8px;display:flex;flex-direction:column;gap:6px}
.mock-acc{
  display:flex;align-items:center;gap:12px;
  padding:12px;border:1px solid var(--border-light);border-radius:10px;
  background:var(--bg-subtle);cursor:pointer;transition:border-color .2s;
}
.mock-acc:hover{border-color:rgba(0,170,255,.3)}
.mock-acc--active{border-color:var(--accent);background:rgba(0,170,255,.03)}
.mock-acc-icon{
  width:36px;height:36px;border-radius:9px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:#fff;
}
.mock-acc-info{flex:1;min-width:0}
.mock-acc-name{font-size:13px;font-weight:700;color:var(--text-body)}
.mock-acc-stats{font-size:11px;color:var(--text-secondary)}
.mock-acc-status{
  display:flex;align-items:center;gap:4px;
  font-size:10px;font-weight:600;flex-shrink:0;
}
.mock-acc-status--on{color:#059669}
.mock-acc-status--on .mock-acc-status-dot{width:6px;height:6px;border-radius:50%;background:#34D399}
.mock-acc-status--pause{color:#D97706}
.mock-acc-status--pause .mock-acc-status-dot{width:6px;height:6px;border-radius:50%;background:#F59E0B}
.mock-acc-add{
  width:100%;padding:10px;border:1px dashed var(--border-light);border-radius:10px;
  background:transparent;font-size:12px;font-weight:600;color:var(--accent);
  cursor:pointer;transition:border-color .2s;font-family:inherit;
}
.mock-acc-add:hover{border-color:var(--accent)}

/* ── Mock: CRM + Telegram ───────────────── */
.mock-crm{padding:8px;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mock-crm-card{
  border:1px solid var(--border-light);border-radius:10px;
  overflow:hidden;background:var(--bg-subtle);
}
.mock-crm-card-header{
  padding:8px 12px;display:flex;align-items:center;gap:8px;
  border-bottom:1px solid var(--border-light);
  font-size:12px;font-weight:700;color:var(--text-body);
}
.mock-crm-card-icon{
  width:24px;height:24px;border-radius:6px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
}
.mock-tg-msg{padding:10px;background:#fff;border-radius:0 0 10px 10px}
.mock-tg-msg-title{font-size:11px;font-weight:700;color:var(--accent);margin-bottom:4px}
.mock-tg-msg-body{font-size:11px;line-height:1.5;color:var(--text-secondary)}
.mock-tg-msg-body strong{color:var(--text-body)}
.mock-tg-msg-link{color:var(--accent);font-weight:600;font-size:10px}
.mock-tg-msg-time{font-size:9px;color:var(--muted);text-align:right;margin-top:4px}
.mock-crm-lead{padding:8px 10px;display:flex;flex-direction:column;gap:5px}
.mock-crm-lead-row{display:flex;justify-content:space-between;font-size:11px;color:var(--text-body)}
.mock-crm-lead-label{color:var(--muted);font-weight:500}
.mock-crm-lead-stage{
  padding:1px 6px;border-radius:4px;font-size:10px;font-weight:700;
  background:rgba(239,68,68,.1);color:#DC2626;
}

@media(max-width:600px){
  .mock-crm{grid-template-columns:1fr}
}

/* ── Mock: Analytics dashboard ──────────── */
.mock-analytics{padding:12px;display:flex;flex-direction:column;gap:12px}
.mock-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.mock-metric{
  text-align:center;padding:10px 6px;background:var(--bg-subtle);
  border-radius:10px;border:1px solid var(--border-light);
}
.mock-metric-value{font-size:18px;font-weight:800;color:var(--text-body);letter-spacing:-.02em}
.mock-metric-label{font-size:10px;color:var(--muted);margin-top:2px}
.mock-metric-change{font-size:10px;font-weight:700;margin-top:4px}
.mock-metric-change--up{color:#059669}
.mock-metric-change--down{color:#DC2626}
.mock-chart{
  padding:12px;background:var(--bg-subtle);border-radius:10px;
  border:1px solid var(--border-light);
}
.mock-chart-label{font-size:11px;font-weight:600;color:var(--text-secondary);margin-bottom:10px}
.mock-chart-bars{display:flex;align-items:flex-end;gap:6px;height:80px}
.mock-chart-col{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;
  justify-content:flex-end;
}
.mock-chart-bar{
  width:100%;border-radius:4px 4px 0 0;
  background:rgba(0,170,255,.2);transition:height .4s var(--ease);
  min-height:4px;
}
.mock-chart-bar--accent{background:var(--accent)}
.mock-chart-col span{font-size:9px;color:var(--muted);font-weight:500}

@media(max-width:500px){
  .mock-metrics{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:768px){
  .feat-grid{grid-template-columns:1fr}
  .feat-tabs{border-right:none;border-bottom:1px solid var(--border-light)}
}

/* ═══════════════════════════════════════════════
   INTERACTIVE DEMO CHAT
   ═══════════════════════════════════════════════ */
.demo{padding:100px 24px;background:var(--dark);position:relative;overflow:hidden}
.demo-inner{max-width:800px;margin:0 auto;position:relative;z-index:2}
.demo-header{text-align:center;margin-bottom:40px}
.demo-header p{font-size:13px;font-weight:600;color:var(--accent-light);text-transform:uppercase;letter-spacing:.08em}
.demo-header h2{font-size:clamp(24px,3vw,36px);font-weight:800;color:var(--text);margin-top:10px}
.demo-window{
  background:var(--surface);border-radius:24px;overflow:hidden;
  border:1px solid var(--border);box-shadow:0 24px 80px rgba(0,0,0,.4);
}
.demo-window-header{
  padding:14px 20px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;
}
.demo-window-avatar{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  display:flex;align-items:center;justify-content:center;
}
.demo-window-title{font-size:14px;font-weight:700;color:var(--text)}
.demo-window-status{display:flex;align-items:center;gap:5px}
.demo-window-dot{width:6px;height:6px;border-radius:50%;background:var(--green)}
.demo-window-status span{font-size:12px;color:var(--text-dim)}
.demo-messages{padding:16px 20px;min-height:240px;max-height:360px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}
.demo-msg{max-width:78%;animation:msgIn .3s ease}
.demo-msg--user{align-self:flex-end}
.demo-msg--bot{align-self:flex-start}
.demo-msg-bubble{
  padding:10px 14px;font-size:14px;line-height:1.5;color:var(--text);
}
.demo-msg--user .demo-msg-bubble{
  background:var(--accent);border-radius:14px 14px 4px 14px;
}
.demo-msg--bot .demo-msg-bubble{
  background:rgba(255,255,255,.06);border-radius:14px 14px 14px 4px;
}
.demo-typing{
  padding:10px 14px;border-radius:14px 14px 14px 4px;
  background:rgba(255,255,255,.06);align-self:flex-start;
  display:flex;gap:4px;
}
.demo-typing-dot{
  width:6px;height:6px;border-radius:50%;background:var(--text-dim);
}
.demo-typing-dot:nth-child(1){animation:typing 1s ease-in-out 0s infinite}
.demo-typing-dot:nth-child(2){animation:typing 1s ease-in-out .15s infinite}
.demo-typing-dot:nth-child(3){animation:typing 1s ease-in-out .3s infinite}
.demo-actions{padding:14px 20px 18px;border-top:1px solid var(--border)}
.demo-actions-label{font-size:12px;color:var(--text-dim);margin-bottom:10px}
.demo-actions-list{display:flex;flex-wrap:wrap;gap:8px}
.demo-action-btn{
  padding:8px 14px;border-radius:10px;background:transparent;
  border:1px solid var(--border);color:var(--text-muted);
  font-size:13px;cursor:pointer;transition:all .2s;font-family:inherit;
}
.demo-action-btn:hover{border-color:var(--accent);color:var(--accent-light)}
.demo-action-btn:disabled{opacity:.5;cursor:not-allowed}

/* ═══════════════════════════════════════════════
   USE CASES / SCENARIOS
   ═══════════════════════════════════════════════ */
.use-cases{padding:80px 24px;background:#fff}
.use-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;max-width:1200px;margin:0 auto}
.use-card{
  background:var(--bg-subtle);border-radius:16px;padding:22px 18px;
  border:1px solid var(--border-light);height:100%;
  display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);cursor:default;
}
.use-card:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(0,0,0,.06)}
.use-stat{font-size:28px;font-weight:800;line-height:1;margin-bottom:4px}
.use-stat--blue{color:#3B82F6}
.use-stat--violet{color:#8B5CF6}
.use-stat--green{color:#10B981}
.use-stat--amber{color:#F59E0B}
.use-stat--red{color:#EF4444}
.use-stat--cyan{color:var(--accent)}
.use-stat-label{font-size:11px;color:var(--muted);margin-bottom:12px}
.use-card h3{font-size:15px;font-weight:700;color:var(--text-body);margin-bottom:4px}
.use-card p{font-size:13px;color:var(--text-secondary);margin:0;line-height:1.4}

/* ═══════════════════════════════════════════════
   HOW — 4 steps + code
   ═══════════════════════════════════════════════ */
.how{padding:80px 24px;background:var(--bg-subtle)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:1100px;margin:0 auto}
.step-card{
  background:#fff;border-radius:16px;padding:24px;
  border:1px solid var(--border-light);text-align:center;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.06)}
.step-num{
  width:40px;height:40px;border-radius:12px;background:var(--accent);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 14px;font-size:15px;font-weight:800;color:#fff;
}
.step-card h3{font-size:15px;font-weight:700;color:var(--text-body);margin-bottom:6px}
.step-card p{font-size:13px;color:var(--text-secondary);margin:0}

@media(max-width:768px){
  .steps-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .steps-grid{grid-template-columns:1fr}
}

/* ═══════════════════════════════════════════════
   COMPARISON TABLE
   ═══════════════════════════════════════════════ */
.comparison{padding:80px 24px;background:var(--bg-subtle)}
.comp-table-wrap{border-radius:16px;overflow:hidden;border:1px solid var(--border-light);max-width:800px;margin:0 auto}
.comp-table{width:100%;border-collapse:collapse}
.comp-table thead tr{border-bottom:2px solid var(--border-light)}
.comp-table th{padding:12px;font-size:13px;font-weight:500;color:var(--muted);text-align:center}
.comp-table th:first-child{text-align:left;padding-left:16px}
.comp-table th.highlight{font-weight:700;color:var(--accent)}
.comp-table tbody tr{border-bottom:1px solid var(--bg-hover)}
.comp-table tbody tr:last-child{border-bottom:none}
.comp-table tbody tr:nth-child(odd){background:#fff}
.comp-table tbody tr:nth-child(even){background:var(--bg-subtle)}
.comp-table td{padding:10px;text-align:center}
.comp-table td:first-child{text-align:left;padding-left:16px;font-size:13px;color:#3F3F46;font-weight:500}
.comp-check{
  width:22px;height:22px;border-radius:7px;margin:0 auto;
  display:flex;align-items:center;justify-content:center;
}
.comp-check--yes{background:var(--accent)}
.comp-check--no{background:var(--bg-hover)}

@media(max-width:600px){
  .comp-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .comp-table{min-width:520px}
}

/* ═══════════════════════════════════════════════
   PRICING
   ═══════════════════════════════════════════════ */
.pricing{padding:100px 24px;background:#fff}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;max-width:1200px;margin:0 auto;perspective:1200px}
.price-card{
  border-radius:20px;padding:28px;height:100%;display:flex;flex-direction:column;
  position:relative;overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.price-card:hover{transform:translateY(-5px)}
.price-card.light{background:var(--bg-subtle);border:1px solid var(--border-light)}
.price-card.light:hover{box-shadow:0 12px 40px rgba(0,0,0,.08)}
.price-card.dark{background:var(--dark);border:1px solid rgba(0,170,255,.3)}
.price-card.dark:hover{box-shadow:0 16px 50px rgba(0,170,255,.2)}
.price-ribbon{position:absolute;top:20px;right:-36px;background:var(--accent);color:#fff;font-size:10px;font-weight:700;padding:4px 44px;transform:rotate(45deg)}
.price-name{font-size:13px;font-weight:600;margin-bottom:8px}
.price-card.light .price-name{color:var(--accent)}
.price-card.dark .price-name{color:var(--accent-light)}
.price-amount{font-size:30px;font-weight:800;letter-spacing:-.02em}
.price-card.light .price-amount{color:var(--text-body)}
.price-card.dark .price-amount{color:var(--text)}
.price-period{font-size:13px}
.price-card.light .price-period{color:var(--muted)}
.price-card.dark .price-period{color:var(--text-dim)}
.price-desc{font-size:13px;margin-bottom:20px;margin-top:4px}
.price-card.light .price-desc{color:var(--text-secondary)}
.price-card.dark .price-desc{color:var(--text-muted)}
.price-features{flex:1;display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.price-feat{display:flex;align-items:center;gap:8px;font-size:13px}
.price-card.light .price-feat{color:var(--text-tertiary)}
.price-card.dark .price-feat{color:var(--text-muted)}
.price-cta{
  display:block;text-align:center;padding:12px;border-radius:10px;
  font-weight:600;font-size:14px;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);border:none;
}
.price-cta:hover{transform:translateY(-2px)}
.price-cta:active{transform:translateY(0) scale(.97)}
.price-cta.filled{background:var(--accent);color:#fff}
.price-cta.filled:hover{box-shadow:0 0 0 4px rgba(0,170,255,.2)}
.price-cta.outline{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.price-cta.outline:hover{box-shadow:0 0 0 4px rgba(0,170,255,.1)}

@media(max-width:520px){
  .pricing-grid{grid-template-columns:1fr}
}

/* ═══════════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════════ */
.faq{padding:80px 24px;background:var(--bg-subtle);overflow:hidden}
.faq-list{display:flex;flex-direction:column;gap:8px;max-width:680px;margin:0 auto}
.faq-item{background:#fff;border-radius:12px;border:1px solid var(--border-light);overflow:hidden;transition:border-color .3s}
.faq-item.open{border-color:rgba(0,170,255,.25)}
.faq-btn{
  width:100%;padding:14px 18px;background:none;border:none;
  display:flex;justify-content:space-between;align-items:center;
  cursor:pointer;text-align:left;font-family:inherit;
}
.faq-btn span{font-size:14px;font-weight:600;color:var(--text-body)}
.faq-chevron{flex-shrink:0;transition:transform .3s var(--ease)}
.faq-item.open .faq-chevron{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s var(--ease),opacity .3s;opacity:0}
.faq-item.open .faq-answer{opacity:1}
.faq-answer p{padding:0 18px 14px;margin:0;font-size:13px;color:var(--text-secondary);line-height:1.5}

/* ═══════════════════════════════════════════════
   FINAL CTA
   ═══════════════════════════════════════════════ */
.final-cta{padding:80px 24px;background:var(--dark);position:relative;overflow:hidden}
.final-glow{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle,var(--glow),transparent 65%);
  animation:glowPulse 8s ease-in-out infinite;
}
.final-cta-inner{max-width:560px;margin:0 auto;text-align:center;position:relative;z-index:2}
.final-cta h2{font-size:clamp(24px,3.5vw,40px);font-weight:800;color:var(--text);line-height:1.1;letter-spacing:-.02em}
.final-cta p{font-size:16px;color:var(--text-muted);margin:14px 0 30px}
.final-cta-disclaimer{font-size:13px;color:var(--text-muted);opacity:.6;margin-top:18px}

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer{padding:32px 24px;background:var(--dark);border-top:1px solid var(--border)}
.footer-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-copy{font-size:13px;color:var(--text-dim)}
.footer-links{display:flex;gap:20px}
.footer-links a{font-size:12px;color:var(--text-dim);transition:color .2s}
.footer-links a:hover{color:var(--text-muted)}