* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  color: #1f2937;
  line-height: 1.6;
  background: #ffffff;
}

/* NAV */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 80px;
  border-bottom: 1px solid #e5e7eb;
}

.logo {
  font-size: 24px;
  font-weight: 700;
}

.logo span {
  color: #2563eb;
  margin-left: 4px;
}

.nav a {
  margin-left: 24px;
  text-decoration: none;
  color: #374151;
  font-weight: 500;
}

/* HERO */
.hero {
  display: flex;
  align-items: center;
  padding: 80px;
  gap: 60px;
}

.hero-content {
  max-width: 520px;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
}

.subtitle {
  font-size: 18px;
  color: #4b5563;
}

.hero-actions {
  margin-top: 30px;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
  padding: 14px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  margin-right: 16px;
}

.btn-secondary {
  color: #2563eb;
  text-decoration: none;
  font-weight: 600;
}

.hero-image img {
  width: 480px;
  border-radius: 16px;
}

/* CONTEXT */
.context {
  padding: 80px;
  background: #f9fafb;
  text-align: center;
}

.context h2 {
  font-size: 32px;
  margin-bottom: 20px;
}

.context p {
  max-width: 720px;
  margin: 10px auto;
  color: #4b5563;
}

/* FEATURES */
.features {
  padding: 80px;
}

.features h2 {
  text-align: center;
  margin-bottom: 50px;
  font-size: 32px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.feature-card {
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 20px;
}

.feature-card img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 16px;
}

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

/* HOW */
.how {
  padding: 80px;
  background: #f9fafb;
  text-align: center;
}

.steps {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
}

.step span {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: #2563eb;
  color: #fff;
  border-radius: 50%;
  line-height: 40px;
  margin-bottom: 10px;
}

/* CTA */
.cta {
  padding: 80px;
  text-align: center;
}

.cta h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.cta p {
  margin-bottom: 30px;
  color: #4b5563;
}

/* FOOTER */
.footer {
  padding: 30px;
  text-align: center;
  border-top: 1px solid #e5e7eb;
  color: #6b7280;
}