/* main.css — VaultScaler Unified Theme */

/* Global Reset & Typography */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #ffffff;
  color: #1a1a1a;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

h1, h2, h3, h4 {
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: #111;
}

p {
  margin-bottom: 1.2rem;
  font-size: 1.1rem;
}

/* Navigation Bar */
.navbar {
  background-color: #ffffff;
  border-bottom: 1px solid #e5e5e5;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: bold;
  font-size: 1.3rem;
  color: #000;
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-links li {
  list-style: none;
}

.nav-links li a {
  color: #333;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links li a:hover {
  color: #0070f3;
}

/* Hero Section */
.hero {
  background-size: cover;
  background-position: center;
  color: white;
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero .overlay {
  background: rgba(0, 0, 0, 0.6);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.3rem;
  max-width: 680px;
  margin: 0 auto;
}

/* Sections */
.section {
  padding: 4rem 1rem;
}

.alt-bg {
  background-color: #f9f9f9;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
  list-style: none;
  padding: 0;
}

.feature-grid li {
  background: white;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.04);
  transition: box-shadow 0.2s;
}

.feature-grid li:hover {
  box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}

/* Architecture Diagram */
.responsive-img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  margin-top: 2rem;
}

/* Industry Grid */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.industry-tile {
  background-color: #fff;
  padding: 1.5rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* Call to Action */
.cta-button {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.75rem 1.5rem;
  background-color: #0070f3;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  transition: background-color 0.2s;
}

.cta-button:hover {
  background-color: #0059c1;
}

.cta-button.secondary {
  background-color: #555;
}

.cta-button.secondary:hover {
  background-color: #333;
}

/* Footer */
.footer {
  background-color: #0a0a0a;
  color: white;
  padding: 2rem 0;
  text-align: center;
  font-size: 0.95rem;
}

.footer a {
  color: #aaa;
  text-decoration: none;
  margin: 0 0.5rem;
}

.footer a:hover {
  color: #fff;
}

/* Responsive */
@media screen and (max-width: 768px) {
  .navbar .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .nav-links {
    flex-direction: column;
    width: 100%;
    padding-left: 0;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links li a {
    display: block;
    padding: 0.75rem 0;
    border-top: 1px solid #eee;
  }

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

  .hero p {
    font-size: 1rem;
  }
}