:root {
  --bg: #f4f7fc;
  --card: #ffffff;
  --card-soft: #f5f8ff;
  --text: #1b2a44;
  --muted: #64748f;
  --primary: #3b78ff;
  --border: #d8e0ef;
  --ui-shadow: 0 12px 30px rgba(30, 61, 119, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: Inter, system-ui, sans-serif;
  background: radial-gradient(circle at 10% 10%, #eaf1ff 0%, var(--bg) 55%);
  color: var(--text);
}

.container {
  width: min(1540px, 92vw);
  margin: 0 auto;
}

header > .hero-grid {
  padding: 72px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 28px;
}

h1 {
  margin: 14px 0 0;
  font-size: clamp(48px, 3.2vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 2.2vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h3 {
  margin: 0;
  font-size: clamp(24px, 1.45vw, 31px);
  line-height: 1.2;
}

p,
li,
blockquote,
a {
  font-size: clamp(17px, 1vw, 20px);
  line-height: 1.5;
}

.badge {
  display: inline-block;
  background: rgba(59, 120, 255, 0.1);
  border: 1px solid rgba(59, 120, 255, 0.35);
  color: #2f58b9;
  padding: 9px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: clamp(13px, 0.8vw, 15px);
}

.lead {
  margin-top: 16px;
  color: var(--muted);
  max-width: 66ch;
}

.checks {
  margin: 22px 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.checks li {
  color: #2f6a46;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn,
.button-primary,
.button-secondary {
  text-decoration: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 700;
  border: 1px solid transparent;
  display: inline-block;
}

.btn-primary,
.button-primary {
  background: linear-gradient(135deg, var(--primary), #5a59ff);
  color: #fff;
}

.btn-secondary,
.button-secondary {
  border-color: var(--border);
  color: var(--text);
  background: #fff;
}

.hero-card,
.offer-card,
.case-card,
.landing-card {
  background: linear-gradient(180deg, var(--card) 0%, #f9fbff 100%);
  border: 1px solid var(--border);
  border-radius: 18px;
}

.b24-card {
  box-shadow: var(--ui-shadow);
}

.hero-card {
  padding: 22px;
}

.mini-kpis {
  margin-top: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.mini-kpi {
  background: var(--card-soft);
  border-radius: 12px;
  padding: 12px;
}

.mini-kpi span {
  color: var(--muted);
  font-size: clamp(13px, 0.85vw, 15px);
  display: block;
}

.mini-kpi strong {
  font-size: clamp(18px, 1vw, 21px);
}

.section {
  padding: 32px 0;
}

.offer-card {
  padding: 20px;
}

.offer-price {
  margin: 8px 0 0;
  font-size: clamp(38px, 2.3vw, 54px);
  line-height: 1.08;
  font-weight: 800;
}

.offer-subtitle {
  margin: 10px 0 0;
  color: var(--muted);
}

.offer-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.offer-item {
  background: var(--card-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.offer-item span {
  display: block;
  color: var(--muted);
  font-size: clamp(13px, 0.85vw, 15px);
}

.offer-item strong {
  display: block;
  margin-top: 5px;
  font-size: clamp(17px, 1vw, 20px);
}

.section-head {
  margin-bottom: 18px;
}

.audience-head {
  display: block;
  margin-bottom: 22px;
}

.audience-eyebrow {
  margin: 0 0 10px;
  color: #8a95aa;
  font-size: clamp(13px, 0.8vw, 15px);
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: 0.04em;
}

.audience-title {
  margin: 0;
  font-size: clamp(44px, 3vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.audience-subtitle {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 1.15vw, 24px);
  line-height: 1.4;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.case-card {
  padding: 22px 22px 18px;
}

.symptom-card {
  background: #f6f8fd;
  border-color: #d9e0ee;
}

.symptom-icon {
  margin: 0 0 12px;
  font-size: clamp(24px, 1.4vw, 30px);
  line-height: 1;
}

.symptom-lead {
  margin: 10px 0 12px;
  color: #7f8ba2;
  font-size: clamp(18px, 1.1vw, 22px);
  line-height: 1.4;
}

.symptom-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.symptom-list li {
  color: #4b5874;
  padding-left: 22px;
  position: relative;
}

.symptom-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  top: 0;
  color: #9aa5bc;
}

.symptom-quote {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid #e0e6f2;
  color: #909cb1;
  font-size: clamp(16px, 0.95vw, 19px);
  line-height: 1.5;
  font-style: italic;
}

.landing-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.landing-stack {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.landing-card {
  padding: 16px;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.compare-col {
  background: var(--card-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
}

.cta-note {
  color: var(--muted);
}

.live-demo {
  margin-top: 14px;
}

.change-section {
  padding-top: 10px;
}

.change-head {
  margin-bottom: 16px;
}

.change-eyebrow {
  margin: 0 0 10px;
  color: #6b84bd;
  font-size: clamp(13px, 0.8vw, 15px);
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: 0.04em;
}

.change-title {
  margin: 0;
  font-size: clamp(42px, 2.8vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.change-subtitle {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 1.1vw, 23px);
}

.change-table {
  border: 1px solid #d7deec;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.change-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.change-row + .change-row {
  border-top: 1px solid #dfe5f2;
}

.change-cell {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(16px, 0.98vw, 19px);
}

.change-cell + .change-cell {
  border-left: 1px solid #dfe5f2;
}

.change-cell.before {
  background: #fff7f7;
  color: #5b2c32;
}

.change-cell.after {
  background: #f3fff7;
  color: #1f4e34;
}

.change-bullet {
  font-size: 16px;
  line-height: 1;
}

.change-bullet.before {
  color: #d74c5b;
}

.change-bullet.after {
  color: #1fad63;
}

.change-cell.headline {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: clamp(12px, 0.78vw, 14px);
}

.change-cta {
  text-align: center;
  margin-top: 18px;
}

.change-cta p {
  margin: 0 0 12px;
  color: #2c3955;
}

a,
.btn,
.button-primary,
.button-secondary,
.hero-card,
.offer-card,
.case-card,
.landing-card,
.mini-kpi,
.offer-item,
.compare-col,
.change-table,
.change-cell {
  transition: all 0.2s ease;
}

.btn:hover,
.button-primary:hover,
.button-secondary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(47, 108, 240, 0.18);
}

.hero-card:hover,
.offer-card:hover,
.case-card:hover,
.landing-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(30, 61, 119, 0.14);
}

.mini-kpi:hover,
.offer-item:hover,
.compare-col:hover {
  border-color: #9eb8ef;
  background: #f0f6ff;
}

.change-row:hover .change-cell.before {
  background: #fff1f1;
}

.change-row:hover .change-cell.after {
  background: #ebfff2;
}

@media (max-width: 1280px) {
  .offer-grid,
  .cases-grid,
  .landing-grid,
  .compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .offer-grid,
  .cases-grid,
  .landing-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  header > .hero-grid {
    padding: 40px 0 18px;
  }

  h1 {
    font-size: clamp(34px, 8vw, 44px);
  }

  h2,
  .audience-title {
    font-size: clamp(30px, 7vw, 38px);
  }

  .change-row {
    grid-template-columns: 1fr;
  }

  .change-cell + .change-cell {
    border-left: 0;
    border-top: 1px solid #dfe5f2;
  }
}