/* ============================================================================
   Buh AI · home page styles + hero animation
   ============================================================================ */

/* ===== HERO ===== */
.hero {
  position: relative;
  background: var(--page-bg);
  padding: 64px 0 96px;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 90% 10%, rgba(167,139,250,.18), transparent 60%),
    radial-gradient(700px 500px at 0% 90%, rgba(109,40,217,.08), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: center;
  min-height: calc(100vh - 64px - 120px);
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; min-height: 0; }
  .hero { padding: 48px 0 64px; }
}
.hero-eyebrow { display:inline-flex; align-items:center; gap:8px; margin-bottom: 24px; }
.hero-eyebrow .dot { width:6px; height:6px; border-radius:50%; background: var(--purple-700); }
.hero h1 { margin-bottom: 24px; }
.hero-sublist { display: flex; flex-direction: column; gap: 6px; margin-bottom: 32px; max-width: 520px; }
.hero-sublist li { font-size: 17px; line-height: 1.55; color: var(--text-muted); list-style: none; }
@media (max-width: 480px) { .hero-sublist li { font-size: 16px; } }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.hero-trust { font-size: 12px; color: var(--text-hint); }

/* ===== Hero animation: doc → fields → posting ===== */
.hero-anim {
  position: relative;
  height: 520px;
  perspective: 1400px;
}
@media (max-width: 980px) { .hero-anim { height: 440px; } }
@media (max-width: 480px) { .hero-anim { height: 380px; } }

.ha-stage { position: absolute; inset: 0; }

/* Document card */
.ha-doc {
  position: absolute;
  top: 30px; left: 4%;
  width: 60%; max-width: 360px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 18px 40px rgba(16,16,40,.10);
  transform-origin: 40% 50%;
  animation: docIn 4s var(--ease-default) infinite;
}
.ha-doc .doc-title { font-size: 11px; font-weight: 700; letter-spacing: 0.6px; color: var(--text-muted); text-transform: uppercase; margin-bottom: 12px; }
.ha-doc .doc-h     { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.ha-doc .doc-num   { font-size: 11px; color: var(--text-hint); margin-bottom: 14px; }
.ha-doc .doc-row   { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 12px; }
.ha-doc .doc-row:last-child { border-bottom: 0; }
.ha-doc .doc-row .lbl { color: var(--text-muted); }
.ha-doc .doc-row .val { color: var(--text); font-weight: 600; position: relative; transition: color .3s; }

/* highlight states — animated on val cells */
.ha-doc .v1 { animation: hl1 4s infinite; }
.ha-doc .v2 { animation: hl2 4s infinite; }
.ha-doc .v3 { animation: hl3 4s infinite; }
.ha-doc .v4 { animation: hl4 4s infinite; }
@keyframes hl1 { 0%,12%{background:transparent;color:var(--text)} 14%,28%{background:rgba(109,40,217,.16);color:var(--purple-700);border-radius:4px;padding:1px 4px;margin:-1px -4px} 30%,100%{background:transparent;color:var(--text)} }
@keyframes hl2 { 0%,22%{background:transparent} 24%,38%{background:rgba(21,128,61,.16);color:var(--success-fg);border-radius:4px;padding:1px 4px;margin:-1px -4px} 40%,100%{background:transparent} }
@keyframes hl3 { 0%,32%{background:transparent} 34%,48%{background:rgba(146,64,14,.16);color:var(--warning-fg);border-radius:4px;padding:1px 4px;margin:-1px -4px} 50%,100%{background:transparent} }
@keyframes hl4 { 0%,42%{background:transparent} 44%,58%{background:rgba(29,78,216,.16);color:var(--info-fg);border-radius:4px;padding:1px 4px;margin:-1px -4px} 60%,100%{background:transparent} }

@keyframes docIn {
  0%   { transform: translateX(60px) rotate(2deg); opacity: 0; }
  10%  { transform: translateX(0) rotate(0); opacity: 1; }
  78%  { transform: translateX(0) rotate(0); opacity: 1; }
  85%  { transform: translateX(-30px); opacity: 0.4; }
  100% { transform: translateX(-30px); opacity: 0; }
}

/* Result card */
.ha-result {
  position: absolute;
  right: 0; top: 90px;
  width: 56%; max-width: 320px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 24px 60px rgba(16,16,40,.14);
  opacity: 0;
  animation: resultStage 4s var(--ease-default) infinite;
}
.ha-result .rh { display:flex; align-items:center; gap:8px; margin-bottom: 14px; }
.ha-result .rh .icon-tile { width: 28px; height: 28px; border-radius: 8px; }
.ha-result .rh .icon-tile svg { width: 16px; height: 16px; }
.ha-result .rh .title { font-size: 13px; font-weight: 700; }
.ha-result .rrow { display: grid; grid-template-columns: 90px 1fr; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--border); align-items: center; opacity: 0; transform: translateY(8px); }
.ha-result .rrow:last-child { border-bottom: 0; }
.ha-result .rrow .l { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }
.ha-result .rrow .v { font-size: 13px; font-weight: 600; color: var(--text); }

.ha-result .rrow:nth-child(2) { animation: rowIn 4s var(--ease-default) infinite; animation-delay: 0s; }
.ha-result .rrow:nth-child(3) { animation: rowIn 4s var(--ease-default) infinite; animation-delay: 0s; }
.ha-result .rrow:nth-child(4) { animation: rowIn 4s var(--ease-default) infinite; animation-delay: 0s; }
.ha-result .rrow:nth-child(5) { animation: rowIn 4s var(--ease-default) infinite; animation-delay: 0s; }
.ha-result .rrow:nth-child(2) { animation-name: rowIn2; }
.ha-result .rrow:nth-child(3) { animation-name: rowIn3; }
.ha-result .rrow:nth-child(4) { animation-name: rowIn4; }
.ha-result .rrow:nth-child(5) { animation-name: rowIn5; }

@keyframes resultStage {
  0%,38% { opacity: 0; transform: translateX(40px); }
  42%    { opacity: 1; transform: translateX(0); }
  78%    { opacity: 1; transform: translateX(0); }
  85%    { opacity: 0; transform: translateX(40px); }
  100%   { opacity: 0; transform: translateX(40px); }
}
@keyframes rowIn2 { 0%,40%{opacity:0; transform:translateY(8px)} 46%,82%{opacity:1; transform:translateY(0)} 86%,100%{opacity:0} }
@keyframes rowIn3 { 0%,46%{opacity:0; transform:translateY(8px)} 52%,82%{opacity:1; transform:translateY(0)} 86%,100%{opacity:0} }
@keyframes rowIn4 { 0%,52%{opacity:0; transform:translateY(8px)} 58%,82%{opacity:1; transform:translateY(0)} 86%,100%{opacity:0} }
@keyframes rowIn5 { 0%,58%{opacity:0; transform:translateY(8px)} 64%,82%{opacity:1; transform:translateY(0)} 86%,100%{opacity:0} }

/* Success bar */
.ha-success {
  position: absolute;
  left: 18%; bottom: 30px;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  background: var(--success-bg);
  border: 1px solid rgba(21,128,61,.25);
  border-radius: 999px;
  color: var(--success-fg); font-size: 13px; font-weight: 700;
  opacity: 0;
  animation: successPop 4s var(--ease-default) infinite;
}
.ha-success svg { width: 16px; height: 16px; }
@keyframes successPop {
  0%,62% { opacity: 0; transform: scale(.8); }
  68%    { opacity: 1; transform: scale(1.06); }
  72%,80%{ opacity: 1; transform: scale(1); }
  84%    { opacity: 1; transform: scale(1); }
  88%,100%{ opacity: 0; transform: scale(.9); }
}

/* Progress bar — "Отправлено в 1С" */
.ha-progress {
  position: absolute; right: 0; bottom: 0;
  width: 56%; max-width: 320px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  opacity: 0;
  animation: progPop 4s var(--ease-default) infinite;
}
.ha-progress .lbl { font-size: 11px; color: var(--text-muted); margin-bottom: 8px; display: flex; justify-content: space-between; }
.ha-progress .bar { height: 4px; background: var(--purple-light); border-radius: 999px; overflow: hidden; }
.ha-progress .bar i { display: block; height: 100%; width: 0%; background: var(--purple-700); border-radius: 999px; animation: progFill 4s var(--ease-default) infinite; }
@keyframes progPop {
  0%,74%{ opacity:0; transform: translateY(10px); }
  78%   { opacity:1; transform: translateY(0); }
  86%   { opacity:1; }
  90%,100%{ opacity:0; }
}
@keyframes progFill { 0%,76%{width:0%} 86%{width:100%} 100%{width:100%} }

/* ===== Numbers strip ===== */
.numbers {
  background: var(--bg-dark); color: #fff;
  padding: 56px 0;
}
.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
@media (max-width: 760px) { .numbers-grid { grid-template-columns: repeat(2,1fr); gap: 32px 16px; } }
.numbers .num { font-size: clamp(40px, 5vw, 64px); font-weight: 700; letter-spacing: -2px; color: #fff; line-height: 1; }
.numbers .num-suffix { color: var(--purple-mid); }
.numbers .lbl { margin-top: 8px; color: rgba(255,255,255,.6); font-size: 14px; }

/* ===== 3-product grid (home block 3) ===== */
.products-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 1080px) { .products-3 { grid-template-columns: 1fr; max-width: 600px; margin: 0 auto; } }

.product3-card {
  position: relative;
  display: flex; flex-direction: column;
  gap: 14px;
  padding: 32px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text);
  transition: transform .25s var(--ease-default), border-color .25s, box-shadow .25s;
  overflow: hidden;
  isolation: isolate;
}
.product3-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(500px 200px at 50% 0%, rgba(109,40,217,.06), transparent 60%);
  opacity: 0; transition: opacity .25s ease;
  z-index: 0;
}
.product3-card > * { position: relative; z-index: 1; }
.product3-card:hover { transform: translateY(-6px); border-color: var(--purple-700); box-shadow: var(--shadow-lg); }
.product3-card:hover::before { opacity: 1; }
.product3-card h3 { font-size: 22px; line-height: 1.2; letter-spacing: -0.6px; }
.product3-card .p3-desc { color: var(--text-muted); font-size: 14px; line-height: 1.6; flex: 1; }
.product3-card .p3-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.product3-card .p3-tags span {
  display: inline-flex; align-items: center;
  padding: 4px 10px;
  background: var(--purple-light);
  color: var(--purple-900);
  border-radius: 999px;
  font-size: 11px; font-weight: 600;
}
.product3-card .p3-who {
  display: flex; flex-direction: column; gap: 2px;
  padding: 12px 14px;
  background: var(--page-bg);
  border-radius: 10px;
  border: 1px solid var(--border);
}
.product3-card .p3-who .lbl { font-size: 10px; text-transform: uppercase; letter-spacing: .4px; color: var(--text-hint); }
.product3-card .p3-who .val { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.4; }
.product3-card .p3-cta {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--purple-700);
  font-weight: 700; font-size: 14px;
  margin-top: 4px;
  transition: gap .2s var(--ease-default);
}
.product3-card:hover .p3-cta { gap: 12px; }

.product3-card.p3-featured {
  background: linear-gradient(180deg, rgba(109,40,217,.04) 0%, transparent 40%), #fff;
  border-color: rgba(109,40,217,.35);
  box-shadow: 0 16px 40px rgba(109,40,217,.10);
}
.product3-card.p3-featured::after {
  content: "Все три модуля"; position: absolute; top: 16px; right: 16px;
  background: var(--purple-700); color: #fff;
  font-size: 10px; font-weight: 700; letter-spacing: .4px;
  padding: 4px 10px; border-radius: 999px;
  z-index: 2;
}

.products-hint {
  margin-top: 32px;
  text-align: center;
  max-width: 720px;
  margin-left: auto; margin-right: auto;
  font-size: 14px; color: var(--text-muted);
  padding: 16px 24px;
  background: var(--page-bg);
  border-radius: 12px;
  line-height: 1.6;
}
.products-hint b { color: var(--text); font-weight: 700; }
.products-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.products-row.reverse { direction: rtl; }
.products-row.reverse > * { direction: ltr; }
@media (max-width: 900px) {
  .products-row { grid-template-columns: 1fr; gap: 32px; padding: 56px 0; }
  .products-row.reverse { direction: ltr; }
}
.products-row .features-list { list-style: none; padding: 0; margin: 24px 0 32px; }
.products-row .features-list li {
  position: relative; padding: 10px 0 10px 30px;
  font-size: 15px; color: var(--text); line-height: 1.5;
  border-bottom: 1px solid var(--border);
}
.products-row .features-list li::before {
  content: ""; position: absolute; left: 4px; top: 16px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--purple-light);
  box-shadow: inset 0 0 0 4px var(--purple-700);
}
.products-row .features-list li:last-child { border-bottom: 0; }
.product-visual { position: relative; }

/* Product visual: dashboard mock */
.dash-mock {
  background: #fff; border: 1px solid var(--border); border-radius: 16px;
  box-shadow: 0 24px 60px rgba(16,16,40,.10);
  padding: 16px; transform: perspective(1400px) rotateX(2deg);
}
.dash-bar { height: 24px; background: var(--bg-dark); border-radius: 6px 6px 0 0; display:flex; align-items:center; padding: 0 10px; gap: 6px; margin-bottom: 12px; }
.dash-bar i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.25); }
.dash-tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.dash-tab { font-size: 11px; padding: 6px 10px; border-radius: 999px; background: var(--page-bg); color: var(--text-muted); }
.dash-tab.is-active { background: var(--purple-700); color: #fff; }
.dash-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }
.dash-kpi { background: var(--page-bg); border-radius: 10px; padding: 10px; }
.dash-kpi .l { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .4px; }
.dash-kpi .v { font-size: 18px; font-weight: 700; color: var(--text); margin-top: 2px; }
.dash-kpi.purple { background: var(--purple-light); }
.dash-kpi.purple .v { color: var(--purple-700); }
.dash-rows { display: flex; flex-direction: column; gap: 6px; }
.dash-row { display: grid; grid-template-columns: 1fr 80px 60px; gap: 8px; padding: 8px 10px; background: var(--page-bg); border-radius: 8px; font-size: 11px; align-items: center; }
.dash-row .t { font-weight: 600; color: var(--text); }
.dash-row .sub { font-size: 10px; color: var(--text-muted); }
.dash-row .badge { font-size: 9px; padding: 2px 6px; border-radius: 999px; text-align: center; font-weight: 700; }
.dash-row .badge.ok { background: var(--success-bg); color: var(--success-fg); }
.dash-row .badge.pend { background: var(--warning-bg); color: var(--warning-fg); }
.dash-row .badge.ai { background: var(--purple-light); color: var(--purple-700); }
.dash-row .amt { text-align: right; font-weight: 700; color: var(--text); }

/* OCR mini scan */
.ocr-mock { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: center; }
.ocr-doc {
  background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 14px;
  box-shadow: 0 12px 30px rgba(16,16,40,.08);
  position: relative; overflow: hidden;
}
.ocr-doc::after {
  content: ""; position: absolute; left: 0; right: 0;
  height: 2px; background: linear-gradient(90deg, transparent, var(--purple-700), transparent);
  box-shadow: 0 0 14px var(--purple-700);
  animation: scanLine 2.4s ease-in-out infinite;
}
@keyframes scanLine { 0%{top:0} 50%{top:calc(100% - 2px)} 100%{top:0} }
.ocr-doc .line { height: 6px; background: var(--page-bg); border-radius: 3px; margin: 8px 0; }
.ocr-doc .line.s1 { width: 70%; }
.ocr-doc .line.s2 { width: 90%; }
.ocr-doc .line.s3 { width: 55%; }
.ocr-doc .line.s4 { width: 80%; }
.ocr-doc .line.s5 { width: 40%; }
.ocr-out {
  background: var(--bg-dark); border-radius: 12px; padding: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; line-height: 1.6;
  color: #c4b5fd;
}
.ocr-out .k { color: #8be9fd; }
.ocr-out .v { color: #fff; }

/* ===== Pains ===== */
.pains-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 760px) { .pains-grid { grid-template-columns: 1fr; } }
.pain {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  position: relative;
  transition: transform .25s var(--ease-default), border-color .25s, box-shadow .25s;
}
.pain:hover { transform: translateY(-4px); border-color: var(--purple-700); box-shadow: var(--shadow-lg); }
.pain-h { display:flex; gap: 14px; align-items: flex-start; margin-bottom: 12px; }
.pain-h .icon-tile { width: 40px; height: 40px; background: #fee2e2; color: #b91c1c; border-radius: 10px; }
.pain h3 { font-size: 18px; }
.pain .body { color: var(--text-muted); font-size: 14px; line-height: 1.6; margin-bottom: 16px; }
.pain .ai-line {
  display:flex; gap:10px; align-items:center;
  padding: 12px 14px; background: var(--purple-light); color: var(--purple-900);
  border-radius: 10px; font-size: 13px; font-weight: 600;
}
.pain .ai-line .icon-tile { width: 24px; height: 24px; background: var(--purple-700); color: #fff; border-radius: 6px; }
.pain .ai-line .icon-tile svg { width: 14px; height: 14px; }

/* ===== How it works timeline ===== */
.timeline {
  position: relative;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  padding: 8px 0;
}
.timeline::before {
  content: ""; position: absolute; left: 8%; right: 8%; top: 32px; height: 2px;
  background: linear-gradient(90deg, var(--purple-700), var(--purple-mid));
  transform: scaleX(0); transform-origin: left;
  transition: transform 1500ms var(--ease-default);
}
.timeline.is-in::before { transform: scaleX(1); }
.timeline-step {
  text-align: center;
}
.timeline-step .step-num {
  width: 64px; height: 64px; margin: 0 auto 20px;
  background: #fff; border: 2px solid var(--purple-700);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700; color: var(--purple-700);
  position: relative; z-index: 1;
}
.timeline-step.is-in .step-num {
  background: var(--purple-700); color: #fff;
  transition: background .4s, color .4s;
}
.timeline-step h3 { margin-bottom: 8px; }
.timeline-step .body { color: var(--text-muted); font-size: 14px; line-height: 1.6; max-width: 280px; margin: 0 auto; }
@media (max-width: 760px) {
  .timeline { grid-template-columns: 1fr; gap: 28px; }
  .timeline::before { left: 50%; right: auto; top: 64px; bottom: 64px; width: 2px; height: auto; transform: scaleY(0); transform-origin: top; }
  .timeline.is-in::before { transform: scaleY(1); }
}

/* ===== Industries horizontal scroll ===== */
.industries-scroll {
  display: flex; gap: 16px; overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px 24px 24px;
  margin: 0 -24px;
  scrollbar-width: thin;
}
.industries-scroll::-webkit-scrollbar { height: 8px; }
.industries-scroll::-webkit-scrollbar-thumb { background: var(--purple-light); border-radius: 999px; }
.industry-card {
  flex: 0 0 320px;
  scroll-snap-align: start;
  background: #fff; border: 1px solid var(--border); border-radius: 16px;
  padding: 24px;
  transition: transform .2s var(--ease-default), border-color .2s, box-shadow .2s;
  display: flex; flex-direction: column; gap: 12px;
}
.industry-card:hover { transform: translateY(-4px); border-color: var(--purple-700); box-shadow: var(--shadow-lg); }
.industry-card .icon-tile { width: 44px; height: 44px; }
.industry-card h3 { font-size: 18px; }
.industry-card .body { color: var(--text-muted); font-size: 14px; line-height: 1.55; flex: 1; }
.industry-card .save { font-weight: 700; color: var(--purple-700); font-size: 14px; }
.industry-card .more { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; font-weight: 700; color: var(--purple-700); opacity: 0; transform: translateY(4px); transition: opacity .2s, transform .2s; }
.industry-card:hover .more { opacity: 1; transform: translateY(0); }

.industries-controls { display: flex; justify-content: flex-end; gap: 8px; margin-bottom: 16px; }
.industries-controls button { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border); background: #fff; color: var(--text); display: inline-flex; align-items:center; justify-content:center; transition: all .15s; }
.industries-controls button:hover { background: var(--purple-700); color: #fff; border-color: var(--purple-700); }

/* ===== AI chat demo ===== */
.chat-block {
  background: var(--bg-dark); color: #fff;
  border-radius: 24px;
  padding: 56px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  position: relative; overflow: hidden;
}
.chat-block::before {
  content:""; position: absolute; inset: 0;
  background:
    radial-gradient(500px 300px at 90% 110%, rgba(109,40,217,.35), transparent 60%),
    radial-gradient(400px 300px at 10% -10%, rgba(34,211,238,.18), transparent 60%);
}
.chat-block > * { position: relative; }
@media (max-width: 900px) {
  .chat-block { grid-template-columns: 1fr; padding: 32px; gap: 32px; }
}
.chat-window {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(8px);
  /* фикс высоты: чат печатает ответы разной длины — без min-height страница «прыгает» */
  min-height: 340px;
}
@media (max-width: 900px) { .chat-window { min-height: 300px; } }
.chat-head { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 16px; }
.chat-head .icon-tile { width: 32px; height: 32px; background: var(--purple-700); color: #fff; border-radius: 8px; }
.chat-head .icon-tile svg { width: 18px; height: 18px; }
.chat-head .title { font-weight: 700; font-size: 14px; }
.chat-head .sub   { font-size: 12px; color: rgba(255,255,255,.5); }
.chat-head .online { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; margin-left: auto; box-shadow: 0 0 10px #22c55e; }
.bubble { padding: 12px 16px; border-radius: 12px; margin-bottom: 12px; font-size: 14px; line-height: 1.55; max-width: 90%; transition: opacity .3s; }
.bubble.user { background: var(--purple-700); color: #fff; margin-left: auto; border-bottom-right-radius: 4px; }
.bubble.ai   { background: rgba(255,255,255,.07); color: rgba(255,255,255,.95); border: 1px solid rgba(255,255,255,.08); border-bottom-left-radius: 4px; }
.bubble.ai::before { content: "Buh AI: "; color: var(--purple-mid); font-weight: 700; }
.cursor { display: inline-block; width: 7px; height: 14px; background: var(--purple-mid); margin-left: 2px; vertical-align: -2px; animation: blink 1s infinite; }
@keyframes blink { 0%,49%{opacity:1} 50%,100%{opacity:0} }

/* ===== Final CTA ===== */
.cta-final {
  background: var(--bg-dark); color: #fff;
  padding: 96px 0;
  position: relative; overflow: hidden;
  text-align: center;
}
.cta-final::before {
  content:""; position: absolute; inset:0;
  background:
    radial-gradient(700px 400px at 50% 0%, rgba(109,40,217,.4), transparent 60%),
    radial-gradient(500px 300px at 80% 100%, rgba(34,211,238,.18), transparent 60%);
  opacity: .7;
}
/* сетка убрана из блока над футером (#3) — она остаётся только в футере */
.cta-final > * { position: relative; }
.cta-final .m-h1, .cta-final .m-h2, .cta-final .m-h2-sm, .cta-final .m-h3 { color: #fff; }
.cta-final .m-h2 { margin-bottom: 20px; }
.cta-final .m-sub { color: rgba(255,255,255,.72); margin-bottom: 32px; }
.cta-final .flex-row { justify-content: center; }
.cta-final .trust { margin-top: 24px; font-size: 12px; color: rgba(255,255,255,.4); }
/* Если над финальным блоком уже тёмная секция (ИИ-блок на бухгалтерии) — убираем
   верхнее фиолетовое свечение, чтобы два тёмных блока сливались без шва. */
section[style*="bg-dark"] + .cta-final::before {
  background: radial-gradient(500px 300px at 80% 100%, rgba(34,211,238,.18), transparent 60%);
}

/* ─── Mobile responsive ───────────────────────────────────────────────────── */
@media (max-width: 767px) {
  /* Hero */
  .hero          { padding: 48px 0 56px; }
  .hero-cta      { flex-direction: column; }
  .hero-cta .btn { width: 100%; }

  /* Chat block */
  .chat-block    { padding: 28px 20px; gap: 24px; }

  /* Final CTA */
  .cta-final     { padding: 64px 0; }
  .cta-final .flex-row      { flex-direction: column; align-items: center; }
  .cta-final .flex-row .btn { width: 100%; max-width: 340px; }

  /* Product cards */
  .product3-card { padding: 24px 20px; }
}
@media (max-width: 480px) {
  .hero     { padding: 36px 0 44px; }
  .heroLoop { display: none; }
  .numbers  { padding: 40px 0; }
}