/* Tech Blue & Dark Grey Palette */
:root {
  --bg-color: #ffffff;
  --text-color: #0f172a;
  --primary-color: #2563eb;
  --secondary-color: #f1f5f9;
  --muted-color: #64748b;
  --border-color: #e2e8f0;
}

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

body {
  font-family: 'Roboto', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background-color: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 20px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo-icon {
  background-color: var(--primary-color);
  color: white;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Oswald', sans-serif;
  font-weight: bold;
  font-size: 20px;
  border-radius: 4px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
}

.logo-subtitle {
  font-size: 12px;
  color: var(--muted-color);
  letter-spacing: 2px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
  align-items: center;
}

nav a {
  font-size: 14px;
  font-weight: bold;
  text-transform: uppercase;
  color: var(--muted-color);
  transition: color 0.3s;
}

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

.btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 12px 24px;
  border-radius: 4px;
  font-family: 'Oswald', sans-serif;
  font-weight: bold;
  text-transform: uppercase;
  transition: background-color 0.3s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: #1d4ed8;
}

.btn-outline {
  background-color: transparent;
  border: 2px solid white;
  color: white;
}

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

/* Main Content */
main {
  flex: 1;
}

/* Hero Section */
.hero {
  position: relative;
  height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: white;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.6));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.tagline {
  display: inline-block;
  background-color: rgba(37, 99, 235, 0.2);
  color: #60a5fa;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: bold;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 64px;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero h1 span {
  color: #3b82f6;
}

.hero p {
  font-size: 20px;
  color: #cbd5e1;
  margin-bottom: 40px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
}

/* Services */
.services {
  padding: 80px 0;
  background-color: var(--secondary-color);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.section-title {
  font-size: 36px;
  margin-bottom: 24px;
}

.section-desc {
  font-size: 18px;
  color: var(--muted-color);
  margin-bottom: 30px;
}

.expertise-card {
  background: white;
  padding: 30px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.expertise-card h3 {
  margin-bottom: 20px;
  color: var(--text-color);
}

.expertise-list {
  list-style: none;
}

.expertise-list li {
  display: flex;
  justify-content: space-between;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
}

.expertise-list li:last-child {
  border-bottom: none;
}

.expertise-list .label {
  color: var(--muted-color);
}

.expertise-list .value {
  font-weight: bold;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-box {
  background: white;
  padding: 40px 20px;
  text-align: center;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.feature-box.primary {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.feature-box h4 {
  font-size: 36px;
  margin-bottom: 10px;
}

.feature-box p {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Contact Section */
.contact-section {
  padding: 80px 0;
  text-align: center;
}

.contact-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 50px;
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
}

/* Page Headers */
.page-header {
  background-color: var(--secondary-color);
  padding: 60px 0;
}

.page-header h1 {
  font-size: 40px;
  margin-bottom: 10px;
}

.page-header p {
  color: var(--muted-color);
}

/* Content Area */
.content-area {
  padding: 60px 0;
  max-width: 800px;
  margin: 0 auto;
}

.content-card {
  background: white;
  padding: 40px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 30px;
}

.content-card h2, .content-card h3 {
  margin-top: 30px;
  margin-bottom: 15px;
}

.content-card h2:first-child, .content-card h3:first-child {
  margin-top: 0;
}

.content-card p {
  margin-bottom: 15px;
  color: var(--text-color);
}

.content-card ul {
  margin-bottom: 15px;
  padding-left: 20px;
}

/* Footer */
footer {
  background-color: var(--secondary-color);
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-info p {
  color: var(--muted-color);
  font-size: 14px;
  margin-top: 15px;
}

.footer-contact h3, .footer-links h3 {
  margin-bottom: 20px;
}

.footer-contact p {
  color: var(--muted-color);
  font-size: 14px;
  margin-bottom: 10px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--muted-color);
  font-size: 14px;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--muted-color);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .services-grid, .contact-card {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  nav ul {
    display: none; /* simple hidden mobile menu for pure HTML */
  }
  
  .hero h1 {
    font-size: 40px;
  }
}