* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f8fafc;
  color: #1f2937;
  line-height: 1.6;
}

a {
  text-decoration: none;
}

header {
  background: #111827;
  color: white;
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.brand {
  font-size: 24px;
  font-weight: bold;
  color: white;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-link {
  color: #d1d5db;
}

.button {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 7px;
  background: #111827;
  color: white;
  font-weight: bold;
}

.button:hover {
  background: #374151;
}

.button-light {
  background: white;
  color: #111827;
}

.button-light:hover {
  background: #e5e7eb;
}

.hero {
  background: #111827;
  color: white;
  padding: 90px 24px 110px;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  margin: 0 0 24px;
  font-size: clamp(40px, 7vw, 68px);
  line-height: 1.05;
}

.hero p {
  max-width: 720px;
  margin: 0 auto 32px;
  color: #d1d5db;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

section {
  padding: 80px 24px;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 40px;
}

.section-heading h2 {
  margin: 0 0 14px;
  font-size: 36px;
  line-height: 1.2;
}

.section-heading p {
  margin: 0;
  color: #6b7280;
  font-size: 18px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}

.feature {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 26px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.feature h3 {
  margin-top: 0;
  margin-bottom: 10px;
}

.feature p {
  margin: 0;
  color: #6b7280;
}

.workflow-section {
  background: white;
}

.workflow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-weight: bold;
  font-size: 17px;
}

.workflow-step {
  padding: 10px 14px;
  background: #f3f4f6;
  border-radius: 999px;
}

.arrow {
  color: #9ca3af;
}

.cta {
  text-align: center;
  background: #e5e7eb;
}

.cta h2 {
  margin-top: 0;
  font-size: 36px;
}

.cta p {
  max-width: 650px;
  margin: 0 auto 26px;
  color: #4b5563;
  font-size: 18px;
}

.lead-form {
  max-width: 680px;
  margin: 32px auto 0;
  display: grid;
  gap: 14px;
  text-align: left;
}

.lead-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.lead-form input,
.lead-form textarea,
.lead-form select {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid #d1d5db;
  border-radius: 7px;
  background: white;
  color: #111827;
  font: inherit;
}

.lead-form textarea {
  min-height: 120px;
  resize: vertical;
}

.lead-form button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.lead-message {
  min-height: 24px;
  margin-top: 10px;
  font-weight: bold;
}

footer {
  background: #111827;
  color: #9ca3af;
  padding: 28px 24px;
  text-align: center;
  font-size: 14px;
}

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
  }

  .nav-actions .nav-link {
    display: none;
  }

  .hero {
    padding-top: 65px;
    padding-bottom: 80px;
  }

  section {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .arrow {
    display: none;
  }

  .lead-form-grid {
    grid-template-columns: 1fr;
  }
}