:root {
  --bg: #f4f7fb;
  --bg-alt: #e8f4f2;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --text: #0f172a;
  --text-muted: #475569;
  --text-soft: #64748b;
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --primary-light: #ccfbf1;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --border: #dbe3ef;
  --border-strong: #c7d2e0;
  --shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.06);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --header-height: 72px;
  --max-width: 1180px;
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(13, 148, 136, 0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.06), transparent 24%),
    var(--bg);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-height);
  padding: 0 24px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.brand__mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #0891b2);
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--primary-dark);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease;
}

.header-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 48px;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 72px 24px 40px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow--light {
  background: rgba(255, 255, 255, 0.14);
  color: #e2f7f4;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(2.4rem, 4.8vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.lead {
  max-width: 52ch;
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 1.08rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero__actions .button {
  min-height: 62px;
  padding: 0 32px;
  font-size: 1.08rem;
  border-radius: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button--primary {
  background: linear-gradient(135deg, var(--primary), #0891b2);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.button--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.button--secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-soft);
}

.button--secondary:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  color: var(--primary-dark);
  box-shadow: var(--shadow);
}

.button--light {
  background: #fff;
  color: var(--primary-dark);
}

.button--light:hover {
  transform: translateY(-2px);
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.hero-card {
  width: min(100%, 420px);
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98)),
    var(--surface);
  box-shadow: var(--shadow);
}

.hero-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.hero-card__badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.hero-card__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.15);
}

.hero-card__metric {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.hero-card__metric span {
  color: var(--text-soft);
  font-size: 0.95rem;
}

.hero-card__metric strong {
  font-size: 3rem;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--primary-dark);
}

.hero-card__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.hero-card__grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 24px;
}

.strip span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 24px;
}

.section__head {
  max-width: 760px;
  margin-bottom: 32px;
}

.section__head--wide {
  max-width: 900px;
}

.section__head h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.section__head p,
.ai-block p,
.bonus__card p,
.final-cta p {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.opportunity-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.opportunity-card {
  min-height: 220px;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.opportunity-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

.opportunity-card__icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: var(--surface-muted);
  color: var(--primary-dark);
  font-size: 1.1rem;
  font-weight: 800;
}

.opportunity-card h3 {
  margin-bottom: 10px;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

.opportunity-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.opportunity-card--accent {
  background: linear-gradient(180deg, #ecfeff, #fff);
}

.opportunity-card--pay .opportunity-card__icon {
  background: var(--accent-soft);
  color: var(--accent);
}

.opportunity-card--delivery .opportunity-card__icon {
  background: #fef3c7;
  color: #b45309;
}

.opportunity-card--catalog .opportunity-card__icon {
  background: #ede9fe;
  color: #6d28d9;
}

.opportunity-card--promo .opportunity-card__icon {
  background: #dcfce7;
  color: #15803d;
}

.opportunity-card--launch .opportunity-card__icon {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.section--highlight {
  max-width: none;
  padding-inline: 0;
  background: linear-gradient(135deg, #0f172a, #134e4a);
  color: #fff;
}

.section--highlight .section__head,
.section--highlight .integrations {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 24px;
}

.section--highlight h2,
.section--highlight h3 {
  color: #fff;
}

.section--highlight p {
  color: rgba(255, 255, 255, 0.78);
}

.integrations {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding-bottom: 56px;
}

.integrations article {
  padding: 22px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.integrations h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.ai-block {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 28px;
  align-items: center;
  padding-block: 48px;
}

.ai-block h2 {
  font-size: clamp(1.7rem, 2.8vw, 2.3rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.bonus {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr);
  gap: 24px;
  align-items: stretch;
}

.bonus__card,
.bonus__number,
.contact-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.bonus__card {
  padding: 28px;
}

.bonus__card h2 {
  margin-top: 8px;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.bonus__number {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 28px;
  background: linear-gradient(180deg, #ecfeff, #fff);
}

.bonus__number span {
  color: var(--text-soft);
  font-size: 0.95rem;
  font-weight: 600;
}

.bonus__number strong {
  font-size: clamp(2.8rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--primary-dark);
}

.steps__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.steps__grid article {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.steps__grid span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 800;
}

.steps__grid h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.steps__grid p {
  color: var(--text-muted);
  font-size: 0.96rem;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto 24px;
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #115e59, #0f766e 55%, #2563eb);
  color: #fff;
  box-shadow: var(--shadow);
}

.final-cta h2 {
  margin-top: 8px;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.final-cta p {
  color: rgba(255, 255, 255, 0.84);
}

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

.contact-card {
  padding: 24px;
}

.contact-card h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.contact-card p {
  color: var(--text-muted);
}

.contact-card a {
  color: var(--primary-dark);
  font-weight: 700;
}

.contact-card a:hover {
  text-decoration: underline;
}

.footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 48px;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.footer p + p {
  margin-top: 10px;
}

.footer a {
  color: var(--primary-dark);
  font-weight: 600;
}

@media (max-width: 1024px) {
  .hero,
  .ai-block,
  .bonus,
  .final-cta {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: center;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-left: 0;
  }

  .hero {
    padding-top: 40px;
  }

  .hero h1 {
    max-width: none;
  }

  .opportunity-grid,
  .steps__grid,
  .contact__grid,
  .integrations {
    grid-template-columns: 1fr;
  }

  .final-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .header-cta {
    width: 100%;
  }

  .button {
    width: 100%;
  }

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