@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Montserrat:wght@600;700;800&display=swap');

:root {
  --primary: #05559c; /* Techgnosis Blue */
  --primary-hover: #044075;
  --secondary: #f26522; /* Techgnosis Orange */
  --secondary-hover: #d1561c;
  --accent: #009e4f; /* Robotics & AI Labs Green */
  --accent-hover: #008743;
  --bg-color: #fafafa;
  --surface-color: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  color: var(--primary);
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

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

/* Utilities */
.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.pt-5 { padding-top: 5rem; }
.pb-5 { padding-bottom: 5rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 4px 15px rgba(5, 85, 156, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(5, 85, 156, 0.4);
}

.btn-secondary {
  background-color: var(--secondary);
  color: white;
  box-shadow: 0 4px 15px rgba(242, 101, 34, 0.3);
}

.btn-secondary:hover {
  background-color: var(--secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 101, 34, 0.4);
}

.btn-accent {
  background-color: var(--accent);
  color: white;
}

.btn-accent:hover {
  background-color: var(--accent-hover);
}

/* Navigation */
header {
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

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

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

.nav-links a {
  font-weight: 500;
  color: var(--text-main);
  text-transform: uppercase;
  font-size: 0.9rem;
}

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

/* Hero Section */
.hero {
  padding: 6rem 0;
  background: linear-gradient(135deg, rgba(5,85,156,0.05) 0%, rgba(242,101,34,0.05) 100%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.hero h1 span.orange { color: var(--secondary); }
.hero h1 span.green { color: var(--accent); }

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-image {
  width: 100%;
}

.hero-image img {
  width: 100%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

/* Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.card {
  background: white;
  padding: 2.5rem;
  border-radius: 1rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease;
  text-align: center;
}

.card:hover {
  transform: translateY(-10px);
  border-color: var(--secondary);
}

.card-icon {
  font-size: 3rem;
  color: var(--secondary);
  margin-bottom: 1rem;
}

/* Stats Section */
.stats-section {
  background: var(--primary);
  color: white;
  padding: 4rem 0;
}

.stat-item h3 {
  font-size: 3rem;
  color: white;
  margin-bottom: 0.5rem;
}

.stat-item p {
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Footer */
footer {
  background: #0f172a;
  color: white;
  padding: 4rem 0 2rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

footer h4 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #94a3b8;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #94a3b8;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-family: inherit;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content, .grid-3, .grid-4, .footer-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
}