:root {
  --primary-color: #64ffda; /* Teal/Cyan */
  --secondary-color: #0a192f; /* Dark Blue */
  --bg-color: #020c1b; /* Darkest Blue */
  --text-main: #ccd6f6; /* Light Slate */
  --text-secondary: #8892b0; /* Slate */
  --white: #e6f1ff;
  --glass-bg: rgba(10, 25, 47, 0.85);
  --glass-border: rgba(100, 255, 218, 0.1);
  --transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

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

/* Header */
.glass-header {
  position: fixed;
  top: 0;
  width: 100%;
  height: 80px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--white);
  letter-spacing: 1px;
}

.logo img {
  height: 40px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-main);
  font-size: 0.95rem;
}

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

.cta-button {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.cta-button.small {
  padding: 0.5rem 1rem;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.cta-button.small:hover {
  background: rgba(100, 255, 218, 0.1);
}

.cta-button.primary {
  background: var(--primary-color);
  color: var(--bg-color);
  border: 1px solid var(--primary-color);
}

.cta-button.primary:hover {
  background: transparent;
  color: var(--primary-color);
}

.cta-button.secondary {
  border: 1px solid var(--text-main);
  color: var(--text-main);
  margin-left: 1rem;
}

.cta-button.secondary:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* Hero Section */
.hero-section {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  background: url('assets/bg.png') no-repeat center center/cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(2, 12, 27, 0.7); /* Dark overlay */
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.hero-content h1 {
  font-size: 4rem;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero-content .subtitle {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 2.5rem;
  font-family: 'Roboto Mono', monospace;
}

/* Sections General */
.section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 4rem;
  position: relative;
}

.section-header h2 {
  font-size: 2rem;
  color: var(--white);
  display: flex;
  align-items: center;
}

.section-header h2::after {
  content: "";
  display: block;
  width: 300px;
  height: 1px;
  background: var(--glass-border);
  margin-left: 20px;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3rem;
  align-items: center;
}

.about-text p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.feature-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  font-family: 'Roboto Mono', monospace;
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-list i {
  color: var(--primary-color);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.stat-card {
  background: #112240;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  background: #15284a;
}

.stat-card h3 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

/* Solutions Section */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.solution-card {
  background: #112240;
  padding: 2rem;
  border-radius: 8px;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  transform: translateY(-8px);
}

.icon-wrapper {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.solution-card h3 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.solution-card p {
  flex-grow: 1;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.learn-link {
  color: var(--primary-color);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 5px;
}

.learn-link:hover {
  text-decoration: underline;
}

/* Contact Section */
.contact-section {
  background: #061221;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h2 {
  font-size: 2.5rem;
  color: var(--white);
  margin-bottom: 1rem;
}

.contact-info p {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.contact-item i {
  color: var(--primary-color);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: #112240;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--white);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.submit-btn {
  background: var(--primary-color);
  color: var(--bg-color);
  padding: 1rem;
  border: none;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.submit-btn:hover {
  opacity: 0.9;
}

/* Footer */
footer {
  padding: 3rem 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: 'Roboto Mono', monospace;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-logo h3 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1.5rem;
  font-size: 1.2rem;
}

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

/* Animations */
.fade-in-up {
  animation: fadeInUp 1s ease forwards;
  opacity: 0;
  transform: translateY(20px);
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Minimal Responsive Adjustments */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .about-grid, .contact-wrapper {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    display: none; /* simple hide for demo, would need hamburger menu */
  }
}