/* ─────────────────────────────────────────────
   Z1NT — Landing v2
   Строгий светлый дизайн, glassmorphism, минимум анимаций
   ───────────────────────────────────────────── */

:root {
  --bg:             #f6f7f9;
  --bg-elevated:    #ffffff;
  --surface:        rgba(255, 255, 255, 0.78);
  --surface-solid:  #ffffff;

  --primary:        #1b1d22;
  --primary-hover:  #2c2f36;
  --primary-soft:   rgba(27, 29, 34, 0.06);

  --text:           #0f1115;
  --text-2:         #1f232b;
  --text-muted:     #5b626f;
  --text-faint:     #9aa0ab;

  --border:         rgba(15, 17, 21, 0.08);
  --border-strong:  rgba(15, 17, 21, 0.14);
  --border-focus:   rgba(15, 17, 21, 0.28);

  --success:        #16a34a;
  --success-soft:   rgba(22, 163, 74, 0.08);

  --radius-sm:      6px;
  --radius:         10px;
  --radius-lg:      14px;

  --shadow-xs:      0 1px 2px rgba(15, 17, 21, 0.04);
  --shadow-sm:      0 1px 3px rgba(15, 17, 21, 0.05);
  --shadow:         0 4px 12px rgba(15, 17, 21, 0.06);
  --shadow-lg:      0 12px 32px rgba(15, 17, 21, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

::selection { background: var(--primary-soft); color: var(--text); }

.container { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* ── Ambient glow background ── */
.ambient-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.ambient-glow::before,
.ambient-glow::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.55;
}
.ambient-glow::before {
  width: 520px;
  height: 520px;
  top: -120px;
  right: -120px;
  background: radial-gradient(circle, rgba(148, 163, 184, 0.35) 0%, transparent 70%);
}
.ambient-glow::after {
  width: 460px;
  height: 460px;
  bottom: -80px;
  left: -100px;
  background: radial-gradient(circle, rgba(203, 213, 225, 0.35) 0%, transparent 70%);
}

/* ── Navigation ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 247, 249, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.logo img { height: 28px; width: 28px; border-radius: 6px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}
.nav-links a { transition: color 0.15s ease; }
.nav-links a:hover { color: var(--text); }

.nav-actions { display: flex; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  font-family: inherit;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-xs);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-hero {
  background: var(--primary);
  color: #fff;
  padding: 15px 32px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.btn-hero:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-hero-ghost {
  background: var(--surface-solid);
  color: var(--text);
  border: 1px solid var(--border-strong);
  padding: 15px 28px;
  font-size: 15px;
  font-weight: 600;
}
.btn-hero-ghost:hover {
  background: var(--primary-soft);
  border-color: var(--border-focus);
}

/* ── Hero ── */
.hero {
  position: relative;
  z-index: 1;
  padding: 90px 0 80px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 56px;
}
.hero-copy {
  max-width: 540px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--success-soft);
  color: var(--success);
  border: 1px solid rgba(22, 163, 74, 0.18);
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 22px;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}
.hero-title {
  font-size: 54px;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.045em;
  margin-bottom: 20px;
  color: var(--text);
}
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 32px;
}
.hero-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.hero-points {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}
.hero-points span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-points span::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-faint);
}
.hero-points span:first-child::before { display: none; }

/* Hero visual — glass cards */
.hero-visual {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-lg);
  width: 260px;
}
.glass-card-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.glass-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-strong);
  flex-shrink: 0;
}
.glass-dot.active {
  background: var(--success);
  box-shadow: 0 0 0 4px var(--success-soft);
}
.glass-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--success), var(--border-strong));
  border-radius: 1px;
}
.glass-card-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.glass-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}
.glass-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}
.glass-card-second {
  position: absolute;
  right: -20px;
  bottom: 30px;
  width: 210px;
  padding: 18px;
}
.glass-card-stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.glass-card-stat:last-child { border-bottom: none; }
.glass-card-stat span { color: var(--text-muted); }
.glass-card-stat b {
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* ── Section headers ── */
.section-header { text-align: center; margin-bottom: 44px; }
.section-title {
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-bottom: 10px;
}
.section-sub {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 460px;
  margin: 0 auto;
}

/* ── Features ── */
.features { padding: 70px 0 60px; position: relative; z-index: 1; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-sm);
}
.feature-card:hover {
  border-color: var(--border-focus);
  box-shadow: var(--shadow);
}
.feature-icon {
  width: 42px;
  height: 42px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}
.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── How it works ── */
.how-it-works { padding: 70px 0; position: relative; z-index: 1; }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.step-card:hover {
  border-color: var(--border-focus);
  box-shadow: var(--shadow);
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  background: var(--primary);
  border-radius: 50%;
  margin-bottom: 16px;
}
.step-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}
.step-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── Referral ── */
.referral-section { padding: 40px 0 80px; position: relative; z-index: 1; }
.referral-inner { max-width: 620px; margin: 0 auto; }
.referral-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.referral-card:hover {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-lg);
}
.referral-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--primary-soft);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.referral-big {
  font-size: 46px;
  font-weight: 900;
  line-height: 1;
  color: var(--text);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}
.referral-big span {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: normal;
}
.referral-sub {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.referral-body {
  max-width: 420px;
  margin: 0 auto 24px;
}
.referral-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 14px;
}
.referral-points {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: left;
}
.referral-points div {
  display: flex;
  align-items: center;
  gap: 8px;
}
.referral-points div::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-faint);
}
.referral-cta { margin-top: 6px; }

/* ── FAQ ── */
.faq { padding: 70px 0; position: relative; z-index: 1; }
.faq-inner { max-width: 720px; margin: 0 auto; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  transition: background 0.15s ease;
}
.faq-q:hover { background: var(--primary-soft); }
.faq-icon {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}
.faq-a {
  padding: 0 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-a a { color: var(--text-2); text-decoration: underline; text-underline-offset: 3px; }
.faq-a a:hover { color: var(--text); }
.faq-item.open .faq-a { max-height: 220px; padding: 0 20px 18px; }
.faq-item.open .faq-icon { transform: rotate(180deg); }

/* ── Footer ── */
.footer-min {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}
.footer-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 36px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.tg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #fff !important;
  padding: 11px 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  box-shadow: var(--shadow-xs);
}
.tg-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-links a { transition: color 0.15s ease; }
.footer-links a:hover { color: var(--text); }

/* ── Reveal animations (subtle) ── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  .hero-copy { max-width: 100%; margin: 0 auto; }
  .hero-cta { justify-content: center; }
  .hero-points { justify-content: center; }
  .hero-visual { order: -1; min-height: 280px; }
  .glass-card-second { right: 10px; bottom: 10px; }
}

@media (max-width: 768px) {
  .container { padding: 0 18px; }
  .nav-links { display: none; }
  .nav-inner { padding: 12px 18px; }

  .hero { padding: 60px 0 50px; }
  .hero-title { font-size: 38px; }
  .hero-sub { font-size: 16px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .hero-points {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }
  .hero-points span::before { display: none; }

  .features-grid,
  .steps-grid { grid-template-columns: 1fr; }

  .section-title { font-size: 28px; }

  .referral-card { padding: 28px 22px; }
  .referral-big { font-size: 38px; }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 32px; }
  .hero-sub { font-size: 15px; }
  .hero-visual { min-height: 240px; }
  .glass-card { width: 220px; padding: 18px; }
  .glass-card-second { width: 170px; padding: 14px; }
  .section-title { font-size: 26px; }
}


/* ═══════════════════════════════════════════════════════════
   Hero visual — «живая» анимация подключения (motion-graphic)
   Плавный вход · парение карточек (параллакс) · поток данных
   по линии · пульс/кольцо активной точки · приём сигнала на
   второй точке · блик стекла · живые пинг-индикаторы.
   Только transform/opacity → плавно и без нагрузки на CPU.
   ═══════════════════════════════════════════════════════════ */

/* Вход всего блока */
.hero-visual { animation: hvIn .8s cubic-bezier(.2,.8,.2,1) both; }
@keyframes hvIn {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: none; }
}

/* Парение карточек — лёгкий параллакс (разные фаза/амплитуда) */
.hero-visual .glass-card {
  position: relative;
  overflow: hidden;
  will-change: transform;
  animation: hvFloatA 5s ease-in-out infinite;
}
.hero-visual .glass-card-second {
  animation: hvFloatB 6.5s ease-in-out infinite;
}
@keyframes hvFloatA {
  0%, 100% { transform: translateY(-7px) rotate(-.5deg); }
  50%      { transform: translateY(7px)  rotate(.5deg); }
}
@keyframes hvFloatB {
  0%, 100% { transform: translateY(9px)  rotate(.5deg); }
  50%      { transform: translateY(-9px) rotate(-.5deg); }
}

/* Линия подключения — непрерывный поток зелёной энергии */
.glass-line {
  position: relative;
  overflow: hidden;
  height: 3px;
  background: linear-gradient(90deg, #16a34a 0%, #34d399 22%, #16a34a 46%, var(--border-strong) 80%);
  background-size: 220% 100%;
  animation: hvLineFlow 2.2s linear infinite;
}
@keyframes hvLineFlow {
  0%   { background-position: 120% 0; }
  100% { background-position: -80% 0; }
}
/* Бегущий световой импульс поверх линии */
.glass-line::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 32%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.9), transparent);
  animation: hvFlow 2.2s ease-in-out infinite;
}
@keyframes hvFlow {
  0%   { transform: translateX(-120%); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateX(330%); opacity: 0; }
}

/* Активная точка — пульс свечения + две сигнальные волны (сонар) */
.glass-dot { position: relative; }
.glass-dot.active { animation: hvGlow 2.2s ease-in-out infinite; }
@keyframes hvGlow {
  0%, 100% { box-shadow: 0 0 0 4px var(--success-soft); }
  50%      { box-shadow: 0 0 0 7px var(--success-soft), 0 0 16px 3px rgba(22,163,74,.5); }
}
.glass-dot.active::before,
.glass-dot.active::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1.5px solid var(--success);
  animation: hvRipple 2.2s ease-out infinite;
}
.glass-dot.active::after { animation-delay: 1.1s; }
@keyframes hvRipple {
  0%   { transform: scale(1);   opacity: .75; }
  100% { transform: scale(3.6); opacity: 0; }
}

/* Вторая точка «принимает» сигнал — синхронно с потоком */
.glass-card-row .glass-dot:last-child { animation: hvArrive 2.2s ease-in-out infinite; }
@keyframes hvArrive {
  0%, 72% { background: var(--border-strong); box-shadow: none; transform: scale(1); }
  86%     { background: var(--success); box-shadow: 0 0 0 5px var(--success-soft); transform: scale(1.25); }
  100%    { background: var(--border-strong); box-shadow: none; transform: scale(1); }
}

/* Блик стекла — мягкий проход света */
.hero-visual .glass-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,.65) 50%, transparent 60%);
  transform: translateX(-135%);
  pointer-events: none;
  animation: hvSheen 6s ease-in-out infinite;
}
.hero-visual .glass-card-second::before { animation-delay: 3s; }
@keyframes hvSheen {
  0%       { transform: translateX(-135%); }
  35%,100% { transform: translateX(135%); }
}

/* Живые пинг-индикаторы */
.ping-live {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
  margin-right: 7px;
  vertical-align: middle;
  animation: hvPing 1.6s ease-in-out infinite;
}
.glass-card-stat:last-child .ping-live { animation-delay: .8s; }
@keyframes hvPing {
  0%, 100% { opacity: .35; transform: scale(.8); }
  50%      { opacity: 1;   transform: scale(1); box-shadow: 0 0 0 3px var(--success-soft); }
}

/* «Меньше движения»: убираем только крупное перемещение (вход, парение,
   блик), а мягкие пульсы/поток/пинги оставляем — блок остаётся живым. */
@media (prefers-reduced-motion: reduce) {
  .hero-visual { animation: none !important; opacity: 1; transform: none; }
  .hero-visual .glass-card { animation: none !important; transform: none !important; }
  .hero-visual .glass-card::before { animation: none !important; }
}


/* Живой пинг — число «тикает» при каждом измерении */
.ping-num {
  display: inline-block;
  min-width: 20px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.ping-num.ping-tick { animation: hvTick .5s cubic-bezier(.2,.8,.2,1); }
@keyframes hvTick {
  0%   { transform: translateY(0);     color: var(--text); }
  35%  { transform: translateY(-4px);  color: var(--success); }
  100% { transform: translateY(0);     color: var(--text); }
}


/* ═══════════════════════════════════════════════════════════
   «Как подключить» — оживление шагов
   Каскадный вход карточек + «волна прогресса» по номерам 1→2→3
   (номер вспыхивает зелёным, растёт и пускает сигнальное кольцо).
   ═══════════════════════════════════════════════════════════ */

/* Каскадное появление шагов (поверх общего .reveal) */
.steps-grid .step-card:nth-child(2) { transition-delay: .12s; }
.steps-grid .step-card:nth-child(3) { transition-delay: .24s; }

/* Номер шага — волна «активности» бежит 1 → 2 → 3 и повторяется */
.step-number { position: relative; will-change: transform; animation: stepWave 5.1s ease-in-out infinite; }
.steps-grid .step-card:nth-child(2) .step-number { animation-delay: 1.7s; }
.steps-grid .step-card:nth-child(3) .step-number { animation-delay: 3.4s; }
@keyframes stepWave {
  0%, 20%, 100% { background: var(--primary); transform: scale(1);    box-shadow: var(--shadow-xs); }
  7%            { background: var(--success); transform: scale(1.14); box-shadow: 0 0 0 5px rgba(22,163,74,.18), 0 6px 16px rgba(22,163,74,.3); }
}

/* Сигнальное кольцо в момент активации номера */
.step-number::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid var(--success);
  opacity: 0;
  animation: stepRing 5.1s ease-out infinite;
}
.steps-grid .step-card:nth-child(2) .step-number::after { animation-delay: 1.7s; }
.steps-grid .step-card:nth-child(3) .step-number::after { animation-delay: 3.4s; }
@keyframes stepRing {
  0%, 5%   { transform: scale(1);   opacity: 0; }
  8%       { opacity: .55; }
  24%, 100%{ transform: scale(2.5); opacity: 0; }
}

/* Ховер карточки шага — мягкий подъём номера */
.step-card:hover .step-number { box-shadow: 0 0 0 5px var(--primary-soft); }

@media (prefers-reduced-motion: reduce) {
  .step-number, .step-number::after { animation: none !important; }
  .steps-grid .step-card { transition-delay: 0s !important; }
}