/* ================================
   NDAS - Nicholson Data Analytics Solutions
   Dark Theme + Animated Hero Gradient + Faded Bottom
   ================================ */

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

/* Global Styles */
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: #E6E6E6;
  background-color: #0E1116; /* deep charcoal background */
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  color: #00AEEF; /* NDAS blue accent */
}

/* Navbar */
.navbar {
  background-color: #0D1B2A; /* dark navy */
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: #E6E6E6;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

.nav-links a:hover {
  color: #00AEEF;
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(-45deg, #0D1B2A, #1B263B, #01688d, #0078A0);
  background-size: 400% 400%;
  color: #E6E6E6;
  text-align: center;
  padding: 8rem 2rem;
  animation: gradientShift 15s ease infinite;
  overflow: hidden;
}

/* Faded Bottom Overlay */
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 150px; /* fade height */
  background: linear-gradient(to bottom, rgba(14,17,22,0) 0%, #0E1116 100%);
  pointer-events: none;
}

/* Hero Text */
.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  animation: fadeIn 2s ease forwards;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: #CFCFCF;
  animation: fadeIn 3s ease forwards;
}

/* Primary Button */
.btn-primary {
  background-color: #00AEEF;
  color: #0E1116;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  transition: background 0.3s, transform 0.2s;
  animation: fadeIn 4s ease forwards;
}

.btn-primary:hover {
  background-color: #0092CA;
  transform: translateY(-2px);
}

/* Secondary Button */
.btn-secondary {
  background-color: transparent;
  border: 1px solid #00AEEF;
  color: #00AEEF;
  padding: 0.5rem 1.25rem; /* smaller size */
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem; /* slightly smaller text */
  transition: background 0.3s, color 0.3s, transform 0.2s;
  margin-top: 1rem; /* pushes button down a little */
  display: inline-block;
}

.btn-secondary:hover {
  background-color: #00AEEF;
  color: #0E1116;
  transform: translateY(-2px);
}


/* Gradient Animation */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Fade-in Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* About */
.about {
  padding: 4rem 2rem;
  text-align: center;
  background-color: #161A22; /* slightly lighter than body */
  border-top: 1px solid #1F2933;
  border-bottom: 1px solid #1F2933;
}

.about p {
  max-width: 800px;
  margin: 1rem auto;
  color: #CFCFCF;
  font-size: 1.05rem;
}

/* Services */
.services {
  background-color: #0E1116;
  padding: 4rem 2rem;
  text-align: center;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.card {
  background-color: #161A22;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.5);
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card h3 {
  color: #00AEEF;
  margin-bottom: 0.75rem;
}

.card p {
  color: #C0C0C0;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.6);
}

/* ================================
   SUBPAGE HERO + CONTENT STYLING
   ================================ */

.subpage-hero {
  background: linear-gradient(to bottom right, #0D1B2A, #1B263B);
  text-align: center;
  padding: 6rem 2rem;
  color: #E6E6E6;
  border-bottom: 2px solid #00AEEF;
  animation: fadeIn 1.5s ease;
}

.subpage-hero h1 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: #00AEEF;
}

.subpage-hero p {
  font-size: 1.1rem;
  color: #CFCFCF;
}

/* Subpage Content Sections */
.content-section {
  max-width: 900px;
  margin: 3rem auto;
  padding: 2rem;
  background-color: #161A22;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  animation: fadeIn 1.5s ease;
}

.content-section h2 {
  color: #00AEEF;
  margin-bottom: 1.5rem;
}

.content-section p {
  margin-bottom: 1.2rem;
  color: #D1D5DB;
}

/* Pricing List */
.pricing-list {
  list-style: none;
  margin: 2rem 0;
  padding-left: 0;
}

.pricing-list li {
  background: #1B2230;
  margin-bottom: 1rem;
  padding: 1rem 1.5rem;
  border-left: 4px solid #00AEEF;
  border-radius: 6px;
  color: #D1D5DB;
  transition: transform 0.3s ease;
}

.pricing-list li:hover {
  transform: translateX(5px);
}

/* ================================
   FOOTER
   ================================ */
.footer {
  background-color: #0D1B2A;
  color: #E6E6E6;
  text-align: center;
  padding: 2rem 1rem;
  border-top: 1px solid #1F2933;
}

.footer p {
  margin: 0.5rem 0;
  font-size: 0.95rem;
  color: #B0B0B0;
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 768px) {
  .nav-links {
    flex-direction: column;
    gap: 1rem;
  }

  .hero {
    padding: 6rem 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .service-cards {
    grid-template-columns: 1fr;
  }

  .content-section {
    margin: 2rem 1rem;
    padding: 1.5rem;
  }
}