/* Design tokens */
:root {
  --bg: #081017;
  --bg-2: #0d1822;
  --surface: rgba(255, 255, 255, .075);
  --surface-2: rgba(255, 255, 255, .115);
  --text: #f5fbff;
  --muted: rgba(245, 251, 255, .72);
  --soft: rgba(245, 251, 255, .52);
  --line: rgba(255, 255, 255, .14);
  --accent: #28e07a;
  --accent-2: #35b8ff;
  --warning: #ffd166;
  --danger: #ff6b6b;
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --shadow: 0 24px 90px rgba(0, 0, 0, .38);
  --max: 1180px;
}


/* Base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Montserrat", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(40, 224, 122, .18), transparent 34rem),
    radial-gradient(circle at 74% 12%, rgba(53, 184, 255, .20), transparent 32rem),
    linear-gradient(180deg, var(--bg), #071018 52%, #060b10 100%);
  color: var(--text);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
button, input { font: inherit; }


/* Layout */
.container { width: min(var(--max), calc(100% - 36px)); margin: 0 auto; }


/* Header */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(8, 16, 23, .76);
  border-bottom: 1px solid rgba(255, 255, 255,.08);
}
.nav-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -.02em;
  white-space: nowrap;
}
.logo {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #061016;
  box-shadow: 0 10px 32px rgba(40, 224, 122, .23);
  font-weight: 900;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}
.nav-links a:hover { color: var(--text); }


/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 19px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255,.08);
  color: var(--text);
  cursor: pointer;
  font-weight: 750;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-2px); background: rgba(255, 255, 255,.12); border-color: rgba(255, 255, 255,.24); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #041017;
  border-color: transparent;
  box-shadow: 0 18px 54px rgba(40, 224, 122, .20);
}
.btn-primary:hover { background: linear-gradient(135deg, #4bf092, #5cc8ff); }
.btn-dark { background: rgba(0, 0, 0,.20); }


/* Hero */
.hero {
  padding: 82px 0 54px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 42px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 8px 13px;
  border: 1px solid rgba(255, 255, 255,.15);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255,.06);
  font-size: 14px;
  margin-bottom: 18px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 6px rgba(40, 224, 122, .12); }
h1 {
  font-size: clamp(43px, 6vw, 78px);
  line-height: .94;
  letter-spacing: -.065em;
  margin: 0 0 24px;
}
.gradient-text {
  background: linear-gradient(135deg, #fff, #b7f9d0 38%, #a6ddff 85%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
  max-width: 690px;
  margin: 0 0 30px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; align-items: center; margin-bottom: 28px; }
.microcopy { color: var(--soft); font-size: 14px; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 30px; }
.stat {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255,.06);
  border: 1px solid rgba(255, 255, 255,.10);
}
.stat b { display: block; font-size: 22px; letter-spacing: -.04em; margin-bottom: 4px; }
.stat span { color: var(--soft); font-size: 13px; line-height: 1.35; display: block; }


/* Hero showcase */
.showcase {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 560px);
  aspect-ratio: 3 / 4;
  min-height: 0;
  margin: 0 auto;
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}
.showcase-img {
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  height: auto;
  max-height: 720px;
  object-fit: contain;
  object-position: center;
  border-radius: var(--radius-xl);
}
.phone {
  width: min(350px, 85%);
  margin: 24px auto 0;
  border-radius: 42px;
  background: #101a24;
  border: 10px solid rgba(255, 255, 255,.14);
  box-shadow: 0 40px 100px rgba(0, 0, 0,.38);
  overflow: hidden;
  transform: rotate(-4deg);
}
.phone-top {
  height: 68px;
  background: linear-gradient(135deg, rgba(40, 224, 122,.25), rgba(53, 184, 255,.18));
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  color: #fff;
  font-weight: 800;
}
.phone-body { padding: 18px; }
.product-card {
  background: rgba(255, 255, 255,.08);
  border: 1px solid rgba(255, 255, 255,.10);
  border-radius: 24px;
  padding: 14px;
  margin-bottom: 13px;
}
.product-img {
  height: 126px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255,.75), transparent 3.5rem),
    linear-gradient(135deg, #27df79, #35b8ff);
  margin-bottom: 12px;
}
.line { height: 10px; border-radius: 999px; background: rgba(255, 255, 255,.16); margin: 7px 0; }
.line.short { width: 62%; }
.cart-row { display: flex; gap: 10px; }
.pill {
  flex: 1;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(40, 224, 122,.90);
  color: #041017;
  font-weight: 850;
  font-size: 13px;
}
.float-card {
  position: absolute;
  border-radius: 22px;
  background: rgba(12, 22, 31, .86);
  border: 1px solid rgba(255, 255, 255,.14);
  box-shadow: 0 24px 70px rgba(0, 0, 0,.35);
  backdrop-filter: blur(16px);
  padding: 16px;
}
.float-card strong { display: block; margin-bottom: 5px; letter-spacing: -.02em; }
.float-card span { color: var(--muted); font-size: 13px; line-height: 1.4; }
.float-one { left: 22px; bottom: 106px; width: 220px; }
.float-two { right: 24px; top: 84px; width: 214px; }
.float-three { right: 28px; bottom: 30px; width: 245px; }


/* Sections */
section { padding: 74px 0; }
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}
.kicker { color: var(--accent); font-weight: 850; margin-bottom: 10px; letter-spacing: .02em; text-transform: uppercase; font-size: 13px; }
h2 {
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1;
  letter-spacing: -.055em;
  margin: 0;
  max-width: 820px;
}
.section-note { color: var(--muted); line-height: 1.55; max-width: 410px; margin: 0; }


/* Benefits */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255,.12);
  background: linear-gradient(145deg, rgba(255, 255, 255,.085), rgba(255, 255, 255,.045));
  padding: 24px;
  min-height: 230px;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  right: -42px;
  bottom: -52px;
  background: rgba(40, 224, 122, .09);
}
.icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(40, 224, 122,.12);
  border: 1px solid rgba(40, 224, 122,.22);
  margin-bottom: 18px;
  font-size: 22px;
}
.card h3 { font-size: 22px; letter-spacing: -.035em; margin: 0 0 10px; }
.card p { color: var(--muted); line-height: 1.55; margin: 0; }
.wide { grid-column: span 2; }
.accent-card { background: linear-gradient(145deg, rgba(40, 224, 122,.18), rgba(53, 184, 255,.10)); }


/* Launch steps */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: step; }
.step {
  min-height: 255px;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255,.06);
  border: 1px solid rgba(255, 255, 255,.11);
  position: relative;
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  margin-bottom: 38px;
  color: #041017;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.step h3 { font-size: 18px; margin: 0 0 10px; letter-spacing: -.025em; }
.step p { color: var(--muted); line-height: 1.48; margin: 0; font-size: 14px; }


/* Comparison */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: stretch;
}
.panel {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255,.12);
  background: rgba(255, 255, 255,.055);
  padding: 26px;
}
.panel.green { background: linear-gradient(145deg, rgba(40, 224, 122,.14), rgba(53, 184, 255,.08)); border-color: rgba(40, 224, 122,.24); }
.panel h3 { margin: 0 0 18px; font-size: 26px; letter-spacing: -.04em; }
.checklist { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.checklist li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  color: var(--muted);
  line-height: 1.48;
}
.mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255,.10);
  color: var(--soft);
  font-weight: 900;
}
.green .mark { background: rgba(40, 224, 122,.16); color: var(--accent); }


/* Ozon seller block */
.seller-block {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255,.13);
  background:
    radial-gradient(circle at 86% 20%, rgba(53, 184, 255,.18), transparent 26rem),
    linear-gradient(145deg, rgba(255, 255, 255,.105), rgba(255, 255, 255,.045));
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 0;
}
.seller-visual {
  min-height: 480px;
  padding: 28px;
  background: linear-gradient(145deg, rgba(40, 224, 122,.10), transparent);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.seller-visual .big-number { font-size: clamp(72px, 9vw, 132px); font-weight: 950; letter-spacing: -.08em; line-height: .8; }
.seller-visual .caption { color: var(--muted); max-width: 360px; line-height: 1.55; }
.seller-content { padding: 34px; }
.seller-note { margin-top: 16px; max-width: 620px; }
.tabs { display: grid; gap: 13px; margin-top: 24px; }
.tab {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 13px;
  padding: 15px;
  border-radius: 18px;
  background: rgba(255, 255, 255,.06);
  border: 1px solid rgba(255, 255, 255,.10);
}
.tab b { display: block; margin-bottom: 4px; }
.tab span { color: var(--muted); line-height: 1.45; font-size: 14px; }


/* Calculator */
.calculator {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 18px;
  align-items: stretch;
}
.calc-card {
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255,.06);
  border: 1px solid rgba(255, 255, 255,.12);
  padding: 26px;
}
.field { margin-bottom: 16px; }
.field label { display: block; color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.field input {
  width: 100%;
  height: 54px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255,.14);
  background: rgba(0, 0, 0,.20);
  color: var(--text);
  padding: 0 15px;
  outline: none;
}
.result {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(145deg, rgba(40, 224, 122,.16), rgba(53, 184, 255,.09));
}
.result-value { font-size: clamp(44px, 6vw, 76px); font-weight: 950; letter-spacing: -.065em; line-height: .95; margin: 18px 0; }
.result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 22px; }
.mini { border: 1px solid rgba(255, 255, 255,.12); border-radius: 18px; padding: 15px; background: rgba(0, 0, 0,.13); }
.mini b { display: block; margin-bottom: 5px; }
.mini span { color: var(--muted); font-size: 13px; line-height: 1.4; }

.calculator-detailed {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  align-items: stretch;
}
.calc-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.number-control {
  position: relative;
}
.number-control input {
  padding-right: 56px;
  appearance: textfield;
  -moz-appearance: textfield;
}
.number-control input::-webkit-outer-spin-button,
.number-control input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.number-stepper {
  position: absolute;
  top: 50%;
  right: 10px;
  display: grid;
  gap: 4px;
  width: 32px;
  transform: translateY(-50%);
}
.number-step {
  height: 18px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 8px;
  background: rgba(255, 255, 255, .07);
  color: var(--text);
  font-size: 10px;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
}
.number-step:hover {
  background: rgba(40, 224, 122, .16);
  border-color: rgba(40, 224, 122, .42);
  box-shadow: 0 0 16px rgba(40, 224, 122, .20);
}
.number-step:active {
  transform: scale(.94);
}
.calc-formula-note {
  margin-top: 4px;
  padding: 16px;
  border: 1px solid rgba(40, 224, 122, .18);
  border-radius: 18px;
  background: rgba(40, 224, 122, .07);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.calc-formula-note b {
  display: block;
  margin-bottom: 5px;
  color: var(--text);
}
.scenario-grid,
.calc-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}
.scenario-card,
.mini {
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 18px;
  padding: 15px;
  background: rgba(0, 0, 0, .13);
}
.scenario-card span,
.mini span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}
.scenario-card b,
.mini b {
  display: block;
  margin: 5px 0;
}
.scenario-card small {
  color: var(--soft);
}
.scenario-card-accent {
  border-color: rgba(40, 224, 122, .28);
  background: rgba(40, 224, 122, .08);
}


/* Pricing */
.pricing {
  display: grid;
  grid-template-columns: 1fr .75fr;
  gap: 18px;
  align-items: stretch;
}
.price-card {
  border-radius: var(--radius-xl);
  padding: 34px;
  border: 1px solid rgba(40, 224, 122,.22);
  background:
    radial-gradient(circle at top right, rgba(40, 224, 122,.18), transparent 18rem),
    linear-gradient(145deg, rgba(255, 255, 255,.10), rgba(255, 255, 255,.05));
}
.price { font-size: clamp(48px, 6vw, 76px); font-weight: 950; letter-spacing: -.07em; margin: 18px 0 4px; }
.price small { font-size: 18px; color: var(--muted); letter-spacing: -.02em; font-weight: 700; }
.included { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 28px 0; }
.included div { padding: 13px 14px; background: rgba(255, 255, 255,.06); border: 1px solid rgba(255, 255, 255,.10); border-radius: 16px; color: var(--muted); }
.support-card { border-radius: var(--radius-xl); padding: 28px; border: 1px solid rgba(255, 255, 255,.12); background: rgba(255, 255, 255,.055); }
.support-card p { color: var(--muted); line-height: 1.55; }


/* FAQ */
.faq { display: grid; gap: 12px; }
details {
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255,.11);
  background: rgba(255, 255, 255,.055);
  padding: 18px 20px;
}
summary { cursor: pointer; font-weight: 800; letter-spacing: -.02em; }
details p { color: var(--muted); line-height: 1.55; margin: 13px 0 0; }


/* Final CTA */
.final-cta {
  text-align: center;
  padding: 72px 28px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255,.13);
  background:
    radial-gradient(circle at 50% 0%, rgba(40, 224, 122,.18), transparent 26rem),
    linear-gradient(145deg, rgba(255, 255, 255,.10), rgba(255, 255, 255,.045));
  box-shadow: var(--shadow);
}
.final-cta h2 { margin: 0 auto 18px; }
.final-cta p { color: var(--muted); font-size: 18px; line-height: 1.55; max-width: 710px; margin: 0 auto 26px; }


/* Footer */
footer { padding: 36px 0 48px; color: var(--soft); border-top: 1px solid rgba(255, 255, 255,.08); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }


/* Responsive */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid, .seller-block, .calculator, .pricing, .compare { grid-template-columns: 1fr; }
  .showcase { min-height: 540px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .wide { grid-column: span 1; }
  .steps { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .included { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .container { width: min(100% - 26px, var(--max)); }
  .hero { padding-top: 52px; }
  .cards, .steps, .stats-row, .result-grid { grid-template-columns: 1fr; }
  .showcase { min-height: 500px; padding: 12px; }
  .phone { width: 92%; transform: none; }
  .float-card { display: none; }
  .section-head { display: block; }
  .section-note { margin-top: 14px; }
  .seller-visual { min-height: 330px; }
  .seller-content, .price-card, .support-card, .calc-card { padding: 22px; }
  .hero-actions .btn { width: 100%; }
  h1 { letter-spacing: -.055em; }
}

/* Mobile calculator trigger: hidden on desktop, activated only in phone layout */
.mobile-calc-toggle {
  display: none;
}

@media (max-width: 620px) {
  body {
    background:
      radial-gradient(circle at 50% -10%, rgba(40, 224, 122, .16), transparent 20rem),
      linear-gradient(180deg, var(--bg), #071018 52%, #060b10 100%);
  }

  .container {
    width: min(100% - 28px, var(--max));
  }

  .nav {
    background: rgba(8, 16, 23, .88);
  }

  .nav-inner {
    min-height: 64px;
    gap: 10px;
  }

  .brand {
    gap: 9px;
    min-width: 0;
  }

  .brand > span:last-child {
    max-width: 128px;
    font-size: 13px;
    line-height: 1.12;
    white-space: normal;
  }

  .logo {
    width: 38px;
    height: 38px;
    border-radius: 13px;
    font-size: 12px;
    flex: 0 0 auto;
  }

  .nav-inner > .btn {
    min-height: 40px;
    padding: 0 13px;
    font-size: 12px;
    white-space: nowrap;
  }

  .hero {
    padding: 34px 0 26px;
  }

  .hero-grid {
    gap: 26px;
  }

  .eyebrow {
    max-width: 100%;
    margin-bottom: 16px;
    padding: 8px 11px;
    font-size: 12px;
    line-height: 1.2;
    white-space: normal;
  }

  h1 {
    font-size: clamp(38px, 12vw, 52px);
    line-height: 1.02;
    letter-spacing: -.04em;
    margin-bottom: 18px;
  }

  .lead {
    margin-bottom: 22px;
    font-size: 16px;
    line-height: 1.55;
  }

  .hero-actions {
    gap: 10px;
    margin-bottom: 18px;
  }

  .hero-actions .btn {
    width: 100%;
    min-height: 52px;
  }

  .microcopy {
    font-size: 13px;
    line-height: 1.5;
  }

  .stats-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 22px;
  }

  .stat {
    min-height: 118px;
    padding: 14px;
    border-radius: 18px;
  }

  .stat b {
    font-size: 21px;
    letter-spacing: -.02em;
  }

  .stat span {
    font-size: 12px;
  }

  .showcase {
    min-height: 0;
    max-width: 370px;
    margin: 0 auto;
    padding: 0;
    border: none;
    background: transparent;
    box-shadow: none;
    overflow: visible;
  }

  .showcase-img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 28px;
  }

  section {
    padding: 48px 0;
  }

  .section-head {
    display: block;
    margin-bottom: 20px;
  }

  .section-note {
    max-width: none;
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.55;
  }

  .kicker {
    margin-bottom: 9px;
    font-size: 12px;
    letter-spacing: .04em;
  }

  h2 {
    font-size: clamp(30px, 9.4vw, 40px);
    line-height: 1.04;
    letter-spacing: -.035em;
  }

  .cards,
  .steps,
  .compare,
  .pricing,
  .result-grid,
  .included {
    grid-template-columns: 1fr;
  }

  .cards,
  .steps,
  .compare,
  .pricing {
    gap: 12px;
  }

  .card,
  .step,
  .panel,
  .price-card,
  .support-card,
  .calc-card,
  details,
  .final-cta {
    border-radius: 24px;
  }

  .card {
    min-height: auto;
    padding: 20px;
  }

  .card h3,
  .panel h3 {
    font-size: 20px;
    letter-spacing: -.025em;
  }

  .card p,
  .checklist li,
  .support-card p,
  details p {
    font-size: 14px;
  }

  .icon {
    width: 42px;
    height: 42px;
    margin-bottom: 14px;
    border-radius: 14px;
  }

  .seller-block {
    border-radius: 26px;
  }

  .seller-visual {
    min-height: auto;
    padding: 22px;
    gap: 96px;
  }

  .seller-visual .big-number {
    font-size: clamp(56px, 17vw, 72px);
    letter-spacing: -.055em;
  }

  .seller-visual .caption {
    font-size: 14px;
  }

  .seller-content,
  .price-card,
  .support-card,
  .calc-card {
    padding: 20px;
  }

  .tabs {
    gap: 10px;
    margin-top: 18px;
  }

  .tab {
    grid-template-columns: 32px 1fr;
    gap: 11px;
    padding: 13px;
    border-radius: 16px;
  }

  .tab span {
    font-size: 13px;
  }

  .step {
    min-height: auto;
    padding: 18px;
  }

  .step::before {
    width: 38px;
    height: 38px;
    margin-bottom: 22px;
    border-radius: 13px;
  }

  .panel {
    padding: 20px;
  }

  .checklist {
    gap: 10px;
  }

  .checklist li {
    grid-template-columns: 26px 1fr;
  }

  .mark {
    width: 26px;
    height: 26px;
    font-size: 13px;
  }

  #calculator .section-head {
    margin-bottom: 14px;
  }

  .mobile-calc-toggle {
    position: relative;
    display: grid;
    width: 100%;
    gap: 5px;
    margin: 18px 0 0;
    padding: 18px 52px 18px 18px;
    text-align: left;
    color: var(--text);
    border: 1px solid rgba(40, 224, 122, .32);
    border-radius: 22px;
    background:
      radial-gradient(circle at 96% 20%, rgba(40, 224, 122, .16), transparent 9rem),
      linear-gradient(145deg, rgba(40, 224, 122, .13), rgba(255, 255, 255, .055));
    box-shadow: 0 16px 48px rgba(0, 0, 0, .26);
    cursor: pointer;
  }

  .mobile-calc-toggle::after {
    content: "⌄";
    position: absolute;
    top: 50%;
    right: 18px;
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(40, 224, 122, .13);
    color: var(--accent);
    transform: translateY(-50%);
    transition: transform .22s ease, background .22s ease;
  }

  .mobile-calc-toggle.is-open::after {
    transform: translateY(-50%) rotate(180deg);
  }

  .mobile-calc-toggle span {
    font-weight: 900;
    font-size: 17px;
  }

  .mobile-calc-toggle small {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.35;
  }

  .mobile-calc-panel {
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: max-height .42s ease, opacity .24s ease, transform .24s ease, margin-top .24s ease;
  }

  .mobile-calc-panel.is-open {
    max-height: 5000px;
    margin-top: 14px;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .calculator-detailed {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .calc-form-grid,
  .scenario-grid,
  .calc-metrics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .field {
    margin-bottom: 12px;
  }

  .field label {
    font-size: 13px;
    margin-bottom: 7px;
  }

  .number-control {
    position: relative;
  }

  .number-control input,
  .field input {
    height: 50px;
    padding-right: 54px;
    border-radius: 15px;
    font-size: 15px;
    appearance: textfield;
    -moz-appearance: textfield;
  }

  .number-control input::-webkit-outer-spin-button,
  .number-control input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }

  .number-stepper {
    position: absolute;
    top: 50%;
    right: 10px;
    display: grid;
    gap: 4px;
    width: 30px;
    transform: translateY(-50%);
  }

  .number-step {
    height: 18px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 8px;
    background: rgba(255, 255, 255, .07);
    color: var(--text);
    font-size: 9px;
    font-weight: 900;
    line-height: 1;
    cursor: pointer;
  }

  .number-step:active {
    transform: scale(.94);
  }

  .calc-formula-note {
    margin-top: 2px;
    padding: 14px;
    border: 1px solid rgba(40, 224, 122, .18);
    border-radius: 18px;
    background: rgba(40, 224, 122, .07);
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
  }

  .calc-formula-note b {
    display: block;
    margin-bottom: 4px;
    color: var(--text);
  }

  .result {
    min-height: auto;
  }

  .result-value {
    font-size: clamp(38px, 13vw, 56px);
    line-height: 1;
    letter-spacing: -.04em;
    margin: 16px 0;
    word-break: break-word;
  }

  .scenario-grid {
    margin-top: 18px;
  }

  .scenario-card,
  .mini {
    padding: 14px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, .11);
    background: rgba(0, 0, 0, .14);
  }

  .scenario-card span,
  .mini span {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.35;
  }

  .scenario-card b,
  .mini b {
    display: block;
    margin: 5px 0;
    font-size: 18px;
  }

  .scenario-card small {
    color: var(--soft);
  }

  .scenario-card-accent {
    border-color: rgba(40, 224, 122, .28);
    background: rgba(40, 224, 122, .08);
  }

  .price {
    font-size: clamp(42px, 14vw, 58px);
    letter-spacing: -.045em;
  }

  .included {
    gap: 10px;
    margin: 22px 0;
  }

  .included div {
    padding: 12px 13px;
    border-radius: 14px;
    font-size: 14px;
  }

  details {
    padding: 16px;
  }

  summary {
    line-height: 1.35;
  }

  .final-cta {
    padding: 42px 20px;
  }

  .final-cta p {
    font-size: 15px;
  }

  .footer-inner {
    display: grid;
    gap: 10px;
    font-size: 13px;
  }
}

@media (min-width: 621px) {
  .mobile-calc-panel {
    max-height: none !important;
    opacity: 1 !important;
    overflow: visible !important;
    transform: none !important;
    pointer-events: auto !important;
  }
}


/* Mobile scroll reveal: only phone layout */
@media (max-width: 620px) {
  .mobile-reveal {
    opacity: 0;
    transform: translateY(26px) scale(.985);
    filter: blur(8px);
    transition:
      opacity .58s ease,
      transform .58s cubic-bezier(.2, .72, .22, 1),
      filter .58s ease;
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform, filter;
  }

  .mobile-reveal.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .mobile-reveal {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}


/* Desktop stability lock: keeps mobile-only ergonomics from affecting desktop/tablet */
@media (min-width: 621px) {
  .mobile-calc-toggle {
    display: none !important;
  }

  .mobile-calc-panel {
    max-height: none !important;
    opacity: 1 !important;
    overflow: visible !important;
    transform: none !important;
    pointer-events: auto !important;
  }

  .showcase {
    min-height: 0;
    padding: 0;
  }

  .showcase-img {
    height: auto;
    object-fit: contain;
  }
}

@media (min-width: 981px) {
  .hero-grid {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 42px;
    align-items: center;
  }

  .cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .wide {
    grid-column: span 2;
  }

  .seller-block {
    grid-template-columns: .9fr 1.1fr;
  }

  .steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pricing {
    grid-template-columns: 1fr .75fr;
  }

  .calculator-detailed {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

/* Neon hover restore */
:is(
  .btn,
  .card,
  .stat,
  .step,
  .panel,
  .tab,
  .seller-block,
  .seller-visual,
  .calc-card,
  .scenario-card,
  .mini,
  .price-card,
  .support-card,
  .included div,
  details,
  .final-cta,
  .number-step,
  .mobile-calc-toggle,
  .quiz-summary-card,
  .lead-form,
  .form-result,
  .choice-group label,
  .custom-select,
  .custom-select__button
) {
  transition:
    transform .18s ease,
    background .18s ease,
    border-color .24s ease,
    box-shadow .28s ease,
    color .18s ease,
    opacity .18s ease;
}

:is(
  .btn,
  .card,
  .stat,
  .step,
  .panel,
  .tab,
  .seller-block,
  .seller-visual,
  .calc-card,
  .scenario-card,
  .mini,
  .price-card,
  .support-card,
  .included div,
  details,
  .final-cta,
  .number-step,
  .mobile-calc-toggle,
  .quiz-summary-card,
  .lead-form,
  .form-result,
  .choice-group label,
  .custom-select,
  .custom-select__button
):hover {
  border-color: rgba(40, 224, 122, .68);
  box-shadow:
    0 0 0 1px rgba(40, 224, 122, .64),
    0 0 18px rgba(40, 224, 122, .22),
    0 0 38px rgba(40, 224, 122, .10);
}

:is(input, textarea, select):hover,
:is(input, textarea, select):focus,
:is(input, textarea, select):focus-visible {
  border-color: rgba(40, 224, 122, .72);
  box-shadow:
    0 0 0 1px rgba(40, 224, 122, .62),
    0 0 18px rgba(40, 224, 122, .22),
    0 0 36px rgba(40, 224, 122, .10);
}

:is(.btn, .number-step, .mobile-calc-toggle, summary, .custom-select__button):focus-visible {
  outline: none;
  border-color: rgba(40, 224, 122, .82);
  box-shadow:
    0 0 0 1px rgba(40, 224, 122, .78),
    0 0 18px rgba(40, 224, 122, .26),
    0 0 42px rgba(40, 224, 122, .12);
}

/* Quiz page restore */
.quiz-hero {
  position: relative;
  padding: 82px 0 54px;
}

.quiz-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .82fr);
  gap: 42px;
  align-items: center;
}

.quiz-summary-card,
.lead-form,
.form-result {
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 86% 16%, rgba(40, 224, 122, .18), transparent 20rem),
    linear-gradient(145deg, rgba(255, 255, 255, .10), rgba(255, 255, 255, .045));
  box-shadow: var(--shadow);
}

.quiz-summary-card {
  padding: 30px;
}

.quiz-summary-card h2 {
  max-width: none;
  margin-bottom: 22px;
  font-size: clamp(30px, 3.5vw, 46px);
}

.quiz-checklist {
  gap: 14px;
}

.quiz-section {
  padding-top: 70px;
}

.lead-form {
  padding: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-grid-wide {
  grid-column: 1 / -1;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 54px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px;
  background: rgba(0, 0, 0, .20);
  color: var(--text);
  padding: 0 15px;
  outline: none;
  transition:
    background .18s ease,
    border-color .24s ease,
    box-shadow .28s ease;
}

.field select {
  appearance: none;
  padding-right: 46px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text) 50%),
    linear-gradient(135deg, var(--text) 50%, transparent 50%);
  background-position:
    calc(100% - 22px) 50%,
    calc(100% - 16px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.field select option {
  background: #0d1822;
  color: #f5fbff;
}

.field textarea {
  min-height: 128px;
  padding: 15px;
  line-height: 1.55;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(245, 251, 255, .38);
}

.choice-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .055);
}

.choice-group legend {
  padding: 0 8px;
  color: var(--text);
  font-size: 16px;
  font-weight: 900;
}

.choice-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, .11);
  border-radius: 16px;
  background: rgba(0, 0, 0, .14);
  color: var(--muted);
  cursor: pointer;
  line-height: 1.35;
}

.choice-group input {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

.choice-group label:has(input:checked) {
  border-color: rgba(40, 224, 122, .48);
  background: rgba(40, 224, 122, .10);
  color: var(--text);
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .09);
}

.form-footer .microcopy {
  max-width: 520px;
  margin: 0;
  line-height: 1.45;
}

.form-result {
  display: grid;
  gap: 20px;
  margin-top: 22px;
  padding: 28px;
}

.form-result[hidden] {
  display: none;
}

.result-message {
  width: 100%;
  min-height: 260px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 20px;
  background: rgba(0, 0, 0, .20);
  color: var(--text);
  padding: 18px;
  outline: none;
  resize: vertical;
  line-height: 1.55;
}

@media (max-width: 980px) {
  .quiz-hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .quiz-hero {
    padding: 36px 0 28px;
  }

  .quiz-hero-grid {
    gap: 20px;
  }

  .quiz-summary-card,
  .lead-form,
  .form-result {
    padding: 20px;
    border-radius: 24px;
  }

  .quiz-summary-card h2 {
    margin-bottom: 16px;
    font-size: clamp(28px, 8.8vw, 38px);
  }

  .quiz-section {
    padding-top: 48px;
  }

  .form-grid,
  .choice-group {
    grid-template-columns: 1fr;
  }

  .choice-group {
    padding: 16px;
    gap: 10px;
  }

  .choice-group legend {
    font-size: 15px;
  }

  .choice-group label {
    min-height: 50px;
    padding: 12px;
    font-size: 14px;
  }

  .form-footer {
    display: grid;
    gap: 12px;
  }

  .form-footer .btn,
  .form-result .btn {
    width: 100%;
  }

  .result-message {
    min-height: 240px;
    font-size: 13px;
  }
}