/* Root variables for consistent styling */
:root {
  --primary-color: #030A18; /* dark navy used for headings and body text */
  --secondary-color: #97B1DF; /* muted blue accent for buttons and links */
  --accent-color: #A4B6B8; /* soft green/blue accent */
  --light-bg: #f5f5f5; /* light background for alternating sections */
  --max-width: 900px;
  --font-family: Arial, Helvetica, sans-serif;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  color: var(--primary-color);
  line-height: 1.5;
}

/* Hero section */
.hero {
  position: relative;
  height: 60vh;
  min-height: 300px;
  background-image: url("images/abstract_wave.png");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  text-align: center;
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.6);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  padding: 1rem;
}
.hero h1 {
  font-size: 2.5rem;
  margin: 0 0 0.5rem;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  font-style: italic;
}
.btn-primary {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: var(--secondary-color);
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  transition: background 0.3s ease;
}
.btn-primary:hover {
  background: var(--accent-color);
}

/* Navigation */
.navbar {
  background: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 10;
}
.navbar ul {
  list-style: none;
  margin: 0;
  padding: 0.5rem 1rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}
.navbar a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}
.navbar a:hover {
  color: var(--secondary-color);
}

/* Sections */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1rem;
}
.section.alt {
  background: var(--light-bg);
}
.section h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}
.section p {
  font-size: 1rem;
  margin-bottom: 1rem;
}
.section ul,
.section ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}
.section li {
  margin-bottom: 0.5rem;
}

/* Pricing table */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.5rem;
}
.pricing-table th,
.pricing-table td {
  border: 1px solid #ddd;
  padding: 0.6rem 0.8rem;
  text-align: left;
}
.pricing-table th {
  background: var(--secondary-color);
  color: #fff;
}
.pricing-table tr:nth-child(even) {
  background: #f9f9f9;
}
.note {
  font-size: 0.9rem;
  color: var(--primary-color);
  font-style: italic;
}

/* Contact section */
.contact-info p {
  margin: 0.3rem 0;
}
.contact-info a {
  color: var(--secondary-color);
  text-decoration: none;
}
.contact-info a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  background: #ffffff;
  padding: 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--primary-color);
  border-top: 1px solid #eee;
}