* {
  box-sizing: border-box;
}

:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --soft: #f1f5f9;
  --text: #111827;
  --muted: #64748b;
  --primary: #ca8a04;
  --dark: #713f12;
  --border: #e2e8f0;
  --shadow: 0 28px 80px rgba(15, 23, 42, 0.12);
  --radius: 28px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.14), transparent 34%),
    linear-gradient(180deg, var(--bg), #ffffff);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.nav {
  width: min(1140px, calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.logo {
  color: var(--dark);
  font-size: 1.08rem;
  font-weight: 900;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 800;
}

.nav-links a {
  text-decoration: none;
}

.hero,
.section,
.metrics,
.testimonial,
.contact,
.footer {
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 720px;
  padding: 74px 0;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: 44px;
}

.tag {
  margin: 0 0 14px;
  color: var(--dark);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.13em;
}

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

h1 {
  max-width: 840px;
  margin-bottom: 24px;
  font-size: clamp(2.55rem, 6.4vw, 5rem);
  line-height: 0.96;
  letter-spacing: -0.075em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 720px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 1.18rem;
}

.actions,
.proof {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.actions {
  margin-bottom: 26px;
}

.button {
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  font-weight: 900;
  text-decoration: none;
}

.button.primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 18px 36px rgba(37, 99, 235, 0.24);
}

.button.secondary {
  background: #ffffff;
  border-color: var(--border);
}

.button.large {
  min-height: 62px;
  padding: 0 32px;
}

.proof span {
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.panel,
.metrics article,
.card,
.step,
.testimonial,
.contact {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel {
  padding: 36px;
  background: linear-gradient(160deg, #ffffff, var(--soft));
}

.badge {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 7px 12px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--dark);
  font-size: 0.82rem;
  font-weight: 900;
}

.panel ul {
  margin-bottom: 0;
  padding-left: 20px;
  color: var(--muted);
}

.metrics {
  margin-bottom: 74px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.metrics article {
  padding: 25px;
}

.metrics strong {
  display: block;
  color: var(--dark);
  font-size: 2rem;
  line-height: 1;
}

.metrics span {
  color: var(--muted);
  font-weight: 800;
}

.section {
  padding: 74px 0;
}

.heading {
  max-width: 780px;
  margin-bottom: 30px;
}

.heading p,
.card p,
.step p,
.split p,
.contact p,
.footer {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.card,
.step {
  padding: 25px;
}

.split {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 36px;
  align-items: start;
}

.steps {
  display: grid;
  gap: 16px;
}

.step span {
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary);
  color: #ffffff;
  font-weight: 900;
}

.testimonial {
  margin-top: 40px;
  margin-bottom: 74px;
  padding: 40px;
  background: var(--dark);
  color: #ffffff;
}

.quote {
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  line-height: 1.14;
  letter-spacing: -0.045em;
}

.author {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 900;
}

.contact {
  margin-bottom: 74px;
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: linear-gradient(135deg, #ffffff, var(--soft));
}

.contact div {
  max-width: 700px;
}

.footer {
  padding: 30px 0 46px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--border);
}

.footer a {
  color: var(--dark);
  font-weight: 900;
  text-decoration: none;
}

@media (max-width: 900px) {
  .hero,
  .split,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

  .contact {
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .nav {
    min-height: auto;
    padding: 18px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .section,
  .metrics,
  .testimonial,
  .contact,
  .footer {
    width: min(100% - 24px, 1140px);
  }

  .hero {
    padding: 48px 0;
  }

  h1 {
    font-size: clamp(2.35rem, 15vw, 4.2rem);
  }

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

  .panel,
  .contact,
  .testimonial {
    padding: 25px;
  }

  .actions,
  .button {
    width: 100%;
  }

  .footer {
    flex-direction: column;
  }
}