:root {
  --blue: #2e86ff;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  margin: 0;
  color: #111;
  background: #fff;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}
.logo {
  height: 36px;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}
nav a {
  color: #111;
  text-decoration: none;
  font-weight: 500;
}
nav a:hover {
  color: var(--blue);
}

/* Hero */
.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
}
.hero-text {
  max-width: 480px;
  margin-right: 2rem;
}
.hero-text h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.hero-text p {
  color: #444;
  font-size: 1.1rem;
}
.hero-image img {
  max-width: 360px;
  height: auto;
}

/* Features */
.features {
  background: #f9f9f9;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 2rem;
}
.feature {
  text-align: center;
  max-width: 300px;
  margin: 1.5rem;
}
.feature img {
  width: 100%;
  border-radius: 12px;
}
.feature h2 {
  color: var(--blue);
  margin-top: 1rem;
}

/* Footer */
.footer-wave {
  width: 100%;
  margin-top: 3rem;
}
footer {
  text-align: center;
  padding: 2rem;
  color: #666;
  background: #fff;
}