:root {
  --dark: #333;
  --blue: #345678;
  --lightgray: #f4f7ff;
  --primary: #04d9ff;
  --secondary: #345678;
  --text: #2c3d4f;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--lightgray);
  font-size: 16px;
}

.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--dark);
  color: white;
  z-index: 1000;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  max-width: 1200px;
  margin: auto;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
}

.nav ul {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: white;
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
}

.hamburger span {
  display: block;
  background: white;
  height: 2px;
  width: 20px;
}

/* Hero Section */
.hero {
  background: #fff;
  padding: 120px 20px 80px;
  text-align: center;
}

.hero h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.hero p {
  font-size: 1rem;
  line-height: 1.6;
  max-width: 600px;
  margin: auto;
}

.cta {
  margin-top: 2rem;
  background: var(--primary);
  color: var(--dark);
  border: none;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 5px;
  transition: background 0.3s;
}

.cta:hover {
  background: #02c8e0;
}

/* Info / About Section */
.section {
  padding: 80px 20px;
}

.container {
  max-width: 1100px;
  margin: auto;
}

.info h2,
.features h2,
.faq h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.info p {
  font-size: 1rem;
  line-height: 1.8;
}

/* Features Section */
.features {
  background: var(--lightgray);
}

.feature-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(3, 1fr);
}

.feature-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.feature-card h3 {
  margin-bottom: 0.75rem;
  color: var(--blue);
}

/* FAQ Section */
.faq-item {
  margin-bottom: 2rem;
}

.faq-item h4 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* Contact Section */
.contact {
  text-align: center;
  background: #fff;
}

.contact a {
  color: var(--primary);
  text-decoration: none;
  font-weight: bold;
}

/* Footer */
.footer {
  background: var(--dark);
  color: white;
  padding: 2rem 0;
  text-align: center;
  font-size: 0.9rem;
}

/* Mobile Styling */
@media screen and (max-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .nav ul {
    display: flex;
    flex-direction: column;
    background: var(--dark);
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    transform: translateY(-200%);
    transition: transform 0.3s ease-in-out;
  }

  .nav ol.open {
    transform: translateY(0);
  }

  .hamburger {
    display: flex;
    cursor: pointer;
  }
}

@media screen and (max-width: 576px) {
  .hero h2 {
    font-size: 1.75rem;
  }
}