/* 
  Networksharks Consulting - Modern Cyber-Security Theme
  Design: Digital Fortress - Dark, Sleek, Trustworthy.
*/

:root {
  --primary-color: #0a192f;
  --secondary-color: #172a45;
  --accent-color: #64ffda;
  --text-primary: #ccd6f6;
  --text-secondary: #8892b0;
  --white: #e6f1ff;
  --glass: rgba(23, 42, 69, 0.7);
  --transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--primary-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: var(--white);
}

/* --- Layout --- */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

section {
  padding: 100px 0;
}

/* --- Navigation --- */

nav {
  height: 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(10, 25, 47, 0.85);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.logo {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--accent-color);
  text-decoration: none;
  font-family: 'Outfit', sans-serif;
  line-height: 1.1;
  display: inline-block;
}

.logo-sub {
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: block;
  margin-top: -5px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

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

/* --- Hero Section --- */

.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(10, 25, 47, 0.8), rgba(10, 25, 47, 0.8)), url('assets/hero_bg.png');
  background-size: cover;
  background-position: center;
}

.hero-content {
  max-width: 800px;
}

.hero p.overline {
  color: var(--accent-color);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 20px;
  line-height: 1.1;
}

.hero p.description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

.cta-button {
  display: inline-block;
  padding: 18px 30px;
  background: transparent;
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
  border-radius: 4px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
}

.cta-button:hover {
  background-color: rgba(100, 255, 218, 0.1);
  transform: translateY(-5px);
}

/* --- Services Section --- */

#services h2 {
  font-size: 2.5rem;
  margin-bottom: 50px;
  text-align: center;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--secondary-color);
  padding: 40px;
  border-radius: 4px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 30px -15px rgba(2, 12, 27, 0.7);
}

.service-card i {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 20px;
  display: block;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.service-card p {
  color: var(--text-secondary);
}

/* --- Contact Section --- */

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.contact-details {
  list-style: none;
}

.contact-details li {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  color: var(--text-primary);
}

.contact-details li i {
  color: var(--accent-color);
}

.contact-form {
  background-color: var(--secondary-color);
  padding: 40px;
  border-radius: 4px;
}

.form-group {
  margin-bottom: 25px;
}

label {
  display: block;
  margin-bottom: 10px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

input, textarea {
  width: 100%;
  padding: 15px;
  background-color: var(--primary-color);
  border: 1px solid var(--text-secondary);
  border-radius: 4px;
  color: var(--white);
  transition: var(--transition);
}

input:focus, textarea:focus {
  border-color: var(--accent-color);
  outline: none;
}

.submit-btn {
  width: 100%;
  padding: 15px;
  background-color: transparent;
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.submit-btn:hover {
  background-color: rgba(100, 255, 218, 0.1);
}

/* --- Footer --- */

footer {
  padding: 50px 0;
  text-align: center;
  background-color: var(--primary-color);
  border-top: 1px solid var(--secondary-color);
}

.footer-logo {
  font-size: 1.5rem;
  color: var(--accent-color);
  font-weight: 700;
  margin-bottom: 20px;
  display: inline-block;
  text-decoration: none;
  line-height: 1.1;
}

.copyright {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* --- Responsive --- */

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .contact-container {
    grid-template-columns: 1fr;
  }
  nav {
    padding: 0 20px;
  }
  .nav-links {
    display: none; /* Mobile menu needed */
  }
}