/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: clip; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: #0a0e14;
  color: #e6edf6;
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(93,189,239,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(93,189,239,0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

:root {
  --bg: #0a0e14;
  --bg-2: #0f141d;
  --bg-3: #161c27;
  --line: rgba(255,255,255,0.07);
  --text: #e6edf6;
  --text-dim: #8a96a8;
  --accent-1: #0497fa;
  --accent-2: #5dbdef;
  --grad: linear-gradient(135deg, #0497fa 0%, #5dbdef 100%);
  --grad-soft: linear-gradient(135deg, rgba(4,151,250,0.15), rgba(93,189,239,0.12));
  --radius: 16px;
  --radius-lg: 24px;
  --mono: 'JetBrains Mono', "SF Mono", ui-monospace, Menlo, monospace;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 7, 13, 0.75);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand-logo { width: 28px; height: 28px; border-radius: 8px; box-shadow: 0 0 18px rgba(4,151,250,0.45); }
.nav-links {
  display: flex;
  gap: 28px;
  font-size: 15px;
  color: var(--text-dim);
}
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav .nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--grad);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  transition: transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.nav .nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px rgba(4,151,250,0.5);
}
@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 90px 0 120px;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
}
.orb-1 {
  width: 520px; height: 520px;
  background: #0497fa;
  top: -120px; left: -160px;
}
.orb-2 {
  width: 480px; height: 480px;
  background: #5dbdef;
  top: 60px; right: -180px;
  opacity: 0.4;
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero-inner {
  text-align: center;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 56px;
  align-items: center;
  text-align: left;
}
.hero-grid > * { min-width: 0; }
.hero-copy { max-width: 100%; }
.hero-grid .hero-sub { margin: 0 0 40px; }
.hero-grid .hero-cta { justify-content: flex-start; }
.hero-grid .hero-stats { justify-content: flex-start; max-width: none; margin: 0; }
.hero-grid .hero-stats > div { align-items: flex-start; }
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 48px; }
  .hero-grid .hero-cta { justify-content: center; }
  .hero-grid .hero-stats { justify-content: center; }
  .hero-grid .hero-stats > div { align-items: center; }
}
.badge {
  display: inline-block;
  max-width: 100%;
  white-space: normal;
  overflow-wrap: break-word;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(93,189,239,0.32);
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin-bottom: 24px;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--text-dim);
  max-width: 680px;
  margin: 0 auto 40px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 12px 32px -10px rgba(4,151,250,0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -10px rgba(4,151,250,0.7); }
.btn-ghost {
  background: rgba(255,255,255,0.04);
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-lg { padding: 18px 32px; font-size: 16px; }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: clamp(24px, 6vw, 64px);
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  max-width: 720px;
  margin: 0 auto;
}
.hero-stats > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.hero-stats b {
  font-size: 28px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-stats span {
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- sections ---------- */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 800;
}
.section-sub {
  margin-top: 16px;
  color: var(--text-dim);
  font-size: 17px;
}
.section-note {
  margin-top: 20px;
  padding: 14px 18px;
  background: rgba(4, 151, 250, 0.08);
  border: 1px solid rgba(4, 151, 250, 0.25);
  border-radius: 12px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}
.section-note b { font-weight: 700; }

/* ---------- features ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.features-two {
  grid-template-columns: repeat(2, 1fr);
  max-width: 900px;
  margin: 0 auto;
}
.features-two .card-wide {
  grid-column: 1 / -1;
}
@media (max-width: 640px) {
  .features-two { grid-template-columns: 1fr; }
}
.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: transform .25s, border-color .25s, background .25s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-soft);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(4,151,250,0.4);
}
.card:hover::before { opacity: 1; }
.card > * { position: relative; }
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--grad-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #5dbdef;
  border: 1px solid rgba(93,189,239,0.2);
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 19px; margin-bottom: 8px; letter-spacing: -0.01em; }
.card p { color: var(--text-dim); font-size: 15px; }

/* ---------- about (SEO content) ---------- */
.about-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dim);
}
.about-content p { margin-bottom: 20px; }
.about-content h3 {
  color: var(--text);
  font-size: 20px;
  margin: 36px 0 12px;
  letter-spacing: -0.01em;
}
.about-content strong { color: var(--text); }

/* ---------- steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  list-style: none;
  counter-reset: steps;
}
.steps li {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative;
}
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--grad);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.steps h3 { font-size: 19px; margin-bottom: 8px; }
.steps p { color: var(--text-dim); font-size: 15px; }

/* ---------- bots ---------- */
.bots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.bot-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all .25s;
}
.bot-card:hover {
  border-color: rgba(93,189,239,0.5);
  transform: translateY(-2px);
  background: var(--bg-3);
}
.bot-card-primary {
  background: linear-gradient(135deg, rgba(4,151,250,0.18), rgba(93,189,239,0.14));
  border-color: rgba(4,151,250,0.45);
  box-shadow: 0 12px 32px -14px rgba(4,151,250,0.5);
}
.bot-card-primary .bot-card-label {
  color: #9fd1f5;
}
.bot-card-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--grad-soft);
  color: #5dbdef;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.bot-card-icon svg { width: 26px; height: 26px; }
.bot-card-text { flex: 1; min-width: 0; }
.bot-card-label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.bot-card-name {
  display: block;
  font-weight: 600;
  font-size: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.bot-card-arrow {
  font-size: 22px;
  color: var(--text-dim);
  transition: transform .2s, color .2s;
}
.bot-card:hover .bot-card-arrow {
  color: #5dbdef;
  transform: translateX(4px);
}

/* ---------- faq ---------- */
.faq {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq details {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  transition: border-color .2s;
}
.faq details[open] { border-color: rgba(4,151,250,0.4); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  font-weight: 600;
  font-size: 16px;
  position: relative;
  padding-right: 56px;
  user-select: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 26px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 300;
  color: var(--text-dim);
  transition: transform .2s, color .2s;
}
.faq details[open] summary::after {
  content: "−";
  color: #5dbdef;
}
.faq p {
  padding: 0 26px 22px;
  color: var(--text-dim);
  font-size: 15px;
}
.faq code {
  background: rgba(4,151,250,0.15);
  padding: 2px 8px;
  border-radius: 6px;
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  color: #9fd1f5;
}

/* ---------- cta section ---------- */
.cta-section { padding: 120px 0; }
.cta-box {
  text-align: center;
  background: linear-gradient(135deg, rgba(4,151,250,0.12), rgba(93,189,239,0.08));
  border: 1px solid rgba(4,151,250,0.25);
  border-radius: var(--radius-lg);
  padding: 72px 32px;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(4,151,250,0.2) 0%, transparent 60%);
  top: -300px; left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}
.cta-box > * { position: relative; }
.cta-box h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.cta-box p {
  color: var(--text-dim);
  font-size: 17px;
  margin-bottom: 32px;
}

/* ---------- footer ---------- */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
}
.footer-tag {
  margin-top: 14px;
  color: var(--text-dim);
  font-size: 14px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dim);
}
.footer-links a { transition: color .2s; }
.footer-links a:hover { color: var(--text); }
.footer-meta {
  font-size: 13px;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ---------- article / blog ---------- */
.article-head {
  padding: 72px 0 40px;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.article-head .hero-bg { z-index: -1; }
.breadcrumbs {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.breadcrumbs a { color: var(--text-dim); transition: color .2s; }
.breadcrumbs a:hover { color: #5dbdef; }
.breadcrumbs span { margin: 0 8px; opacity: 0.5; }
.article-head h1 {
  font-size: clamp(28px, 4.5vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin-bottom: 20px;
  max-width: 820px;
}
.article-meta {
  color: var(--text-dim);
  font-size: 14px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.article-meta span::before { content: "•"; margin-right: 10px; opacity: 0.4; }
.article-meta span:first-child::before { content: ""; margin-right: 0; }

.article {
  max-width: 780px;
  margin: 0 auto;
  padding: 56px 0 80px;
  font-size: 17px;
  line-height: 1.75;
  color: #c2cfdd;
}
.article > p { margin-bottom: 22px; }
.article h2 {
  color: var(--text);
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -0.015em;
  margin: 52px 0 18px;
  font-weight: 800;
  line-height: 1.2;
}
.article h3 {
  color: var(--text);
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 36px 0 12px;
  font-weight: 700;
}
.article strong { color: var(--text); font-weight: 600; }
.article a { color: #8ec9f2; text-decoration: underline; text-decoration-color: rgba(159,177,255,0.35); text-underline-offset: 3px; transition: color .2s, text-decoration-color .2s; }
.article a:hover { color: #5dbdef; text-decoration-color: #5dbdef; }
.article ul, .article ol { margin: 0 0 22px 22px; }
.article li { margin-bottom: 10px; }
.article li::marker { color: #0497fa; }
.article blockquote {
  margin: 28px 0;
  padding: 20px 26px;
  border-left: 3px solid #0497fa;
  background: rgba(4,151,250,0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text);
  font-style: normal;
}
.article blockquote p:last-child { margin-bottom: 0; }
.article .callout {
  margin: 28px 0;
  padding: 20px 24px;
  background: var(--grad-soft);
  border: 1px solid rgba(4,151,250,0.3);
  border-radius: var(--radius);
  color: var(--text);
}
.article .callout b { color: #5dbdef; }
.article hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 48px 0;
}
.article .inline-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 36px 0;
  padding: 24px 28px;
  background: linear-gradient(135deg, rgba(4,151,250,0.14), rgba(93,189,239,0.10));
  border: 1px solid rgba(4,151,250,0.35);
  border-radius: var(--radius-lg);
}
.article .inline-cta p { margin: 0; font-weight: 600; color: var(--text); }
.article .inline-cta .btn { flex-shrink: 0; }

.related {
  padding: 80px 0 100px;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}
.related h2 {
  font-size: clamp(22px, 3vw, 28px);
  margin-bottom: 32px;
  letter-spacing: -0.015em;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.related-card {
  display: block;
  padding: 24px 24px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all .25s;
}
.related-card:hover {
  transform: translateY(-3px);
  border-color: rgba(4,151,250,0.4);
  background: var(--bg-2);
}
.related-card .eyebrow {
  font-size: 11px;
  margin-bottom: 10px;
}
.related-card h3 {
  color: var(--text);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

/* Blog index */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.blog-card {
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: all .25s;
  position: relative;
  overflow: hidden;
}
.blog-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-soft);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
.blog-card:hover { transform: translateY(-4px); border-color: rgba(4,151,250,0.4); }
.blog-card:hover::before { opacity: 1; }
.blog-card > * { position: relative; }
.blog-card .eyebrow { font-size: 12px; margin-bottom: 14px; }
.blog-card h3 {
  color: var(--text);
  font-size: 20px;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: 12px;
  font-weight: 800;
}
.blog-card p { color: var(--text-dim); font-size: 15px; margin-bottom: 20px; flex: 1; }
.blog-card .read-more { color: #5dbdef; font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.blog-card:hover .read-more { color: #0497fa; }

/* ---------- mobile ---------- */
@media (max-width: 720px) {
  .section { padding: 72px 0; }
  .hero { padding: 56px 0 80px; }
  .cta-section { padding: 80px 0; }
  .cta-box { padding: 48px 20px; }
  .article { padding: 40px 0 60px; font-size: 16px; }
  .article-head { padding: 48px 0 32px; }
  .article .inline-cta { flex-direction: column; align-items: stretch; text-align: center; padding: 20px; }
  .related { padding: 56px 0 72px; }
}
@media (max-width: 380px) {
  .container { padding: 0 18px; }
  .nav .nav-cta { padding: 8px 14px; font-size: 13px; }
  .brand { font-size: 16px; }
}

/* ---------- hero: эффект «удалено → восстановлено» на слове ---------- */
.word-restore { position: relative; display: inline-block; }
.word-restore .grad {
  display: inline-block;
  animation: wordRestore 7s ease-in-out infinite;
}
@keyframes wordRestore {
  0%, 52%  { opacity: 1; filter: blur(0); }
  58%      { opacity: 0.08; filter: blur(10px); }
  63%      { opacity: 0.08; filter: blur(10px); }
  70%      { opacity: 1; filter: blur(0); }
  74%      { text-shadow: 0 0 28px rgba(77,171,247,0.85); }
  86%, 100% { opacity: 1; filter: blur(0); text-shadow: none; }
}
.restore-chip {
  position: absolute;
  top: -16px;
  right: -10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #0a0e14;
  background: linear-gradient(135deg, #34d399, #5dbdef);
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(6px) scale(0.85);
  animation: chipPop 7s ease-in-out infinite;
  pointer-events: none;
}
@keyframes chipPop {
  0%, 66%  { opacity: 0; transform: translateY(6px) scale(0.85); }
  71%      { opacity: 1; transform: translateY(0) scale(1); }
  88%      { opacity: 1; transform: translateY(0) scale(1); }
  94%, 100% { opacity: 0; transform: translateY(-4px) scale(0.9); }
}

/* ---------- hero: живой телефон-демо ---------- */
.phone {
  position: relative;
  width: 310px;
  height: 600px;
  margin: 0 auto;
  background: linear-gradient(180deg, #10161f, #0b1018);
  border: 3px solid #2a3340;
  border-radius: 44px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 50px 100px -30px rgba(4,151,250,0.4),
    0 20px 50px -20px rgba(0,0,0,0.8);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.phone-notch {
  width: 110px; height: 26px;
  background: #05080c;
  border-radius: 16px;
  margin: 12px auto 4px;
  flex-shrink: 0;
}
.phone-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}
.phone-back { color: var(--accent-2); font-size: 24px; line-height: 1; }
.phone-title { font-weight: 700; font-size: 15px; flex: 1; text-align: center; }
.phone-ava { border-radius: 50%; }
.phone-chat {
  flex: 1;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}
.phone-bar {
  width: 120px; height: 5px;
  background: rgba(255,255,255,0.25);
  border-radius: 999px;
  margin: 0 auto 10px;
  flex-shrink: 0;
}
.demo-msg, .demo-notif, .demo-deleted {
  font-size: 13.5px;
  line-height: 1.45;
  border-radius: 14px;
  padding: 9px 12px;
  position: relative;
  max-width: 92%;
}
.demo-msg-in {
  background: #1c2733;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.demo-msg-author {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: #e98bb2;
  margin-bottom: 2px;
}
.demo-msg-time {
  display: block;
  font-size: 10.5px;
  color: var(--text-dim);
  text-align: right;
  margin-top: 3px;
}
.demo-deleted {
  align-self: flex-start;
  background: transparent;
  border: 1px dashed rgba(255,255,255,0.18);
  color: var(--text-dim);
  font-size: 12px;
  font-style: italic;
  padding: 6px 12px;
}
.demo-notif {
  align-self: stretch;
  max-width: 100%;
  background: linear-gradient(135deg, rgba(4,151,250,0.16), rgba(93,189,239,0.08));
  border: 1px solid rgba(93,189,239,0.35);
}
.demo-notif-head { font-weight: 700; font-size: 12.5px; color: var(--accent-2); margin-bottom: 6px; }
.demo-notif-quote {
  border-left: 3px solid var(--accent-1);
  padding: 4px 8px;
  background: rgba(255,255,255,0.04);
  border-radius: 0 8px 8px 0;
}
.demo-notif-row { color: var(--text-dim); margin-bottom: 4px; padding-left: 8px; }
.demo-notif-row s { text-decoration-color: rgba(255,84,112,0.7); }

/* таймлайн демо: общий цикл 13s */
#dm1     { animation: demoMsg1   13s ease-in-out infinite; }
#dm1-del { animation: demoDel1   13s ease-in-out infinite; }
#dn1     { animation: demoNotif1 13s ease-in-out infinite; }
#dn2     { animation: demoNotif2 13s ease-in-out infinite; }
@keyframes demoMsg1 {
  0%, 4%   { opacity: 0; transform: translateY(14px); }
  8%       { opacity: 1; transform: translateY(0); }
  20%      { opacity: 1; transform: translateY(0) scale(1); }
  24%      { opacity: 0; transform: scale(0.92); filter: blur(4px); }
  100%     { opacity: 0; }
}
@keyframes demoDel1 {
  0%, 23%  { opacity: 0; height: 0; padding-top: 0; padding-bottom: 0; border-width: 0; margin-top: -10px; }
  27%      { opacity: 1; height: auto; padding-top: 6px; padding-bottom: 6px; border-width: 1px; margin-top: 0; }
  92%      { opacity: 1; }
  97%, 100% { opacity: 0; }
}
@keyframes demoNotif1 {
  0%, 28%  { opacity: 0; transform: translateY(18px) scale(0.96); }
  33%      { opacity: 1; transform: translateY(0) scale(1); }
  35%      { box-shadow: 0 0 26px rgba(4,151,250,0.5); }
  45%      { box-shadow: none; }
  92%      { opacity: 1; }
  97%, 100% { opacity: 0; }
}
@keyframes demoNotif2 {
  0%, 52%  { opacity: 0; transform: translateY(18px) scale(0.96); }
  57%      { opacity: 1; transform: translateY(0) scale(1); }
  59%      { box-shadow: 0 0 26px rgba(4,151,250,0.5); }
  68%      { box-shadow: none; }
  92%      { opacity: 1; }
  97%, 100% { opacity: 0; }
}

@media (max-width: 920px) {
  .phone { width: 280px; height: 540px; }
}
@media (prefers-reduced-motion: reduce) {
  .word-restore .grad, .restore-chip, #dm1, #dm1-del, #dn1, #dn2 { animation: none; }
  .restore-chip { display: none; }
  #dm1 { display: none; }
  #dm1-del, #dn1, #dn2 { opacity: 1; }
}

/* ---------- how: скрин подключения рядом с шагами ---------- */
.how-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 56px;
  align-items: center;
}
.how-shot { margin: 0; }
.how-shot img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  border: 1px solid rgba(93,189,239,0.25);
  box-shadow: 0 30px 70px -25px rgba(4,151,250,0.4);
}
.how-shot figcaption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
}
@media (max-width: 860px) {
  .how-grid { grid-template-columns: 1fr; gap: 40px; }
  .how-shot { max-width: 320px; margin: 0 auto; }
}