:root {
  --bg-color: #1e1b4b; /* Deep Indigo */
  --text-main: #ffffff;
  --text-muted: #e2e8f0;
  --accent: #0ea5e9; /* Sky blue */
  --accent-inverted: #ffffff;
  --border: rgba(255, 255, 255, 0.15);
  --card-bg: rgba(255, 255, 255, 0.05);
  --nav-height: 80px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  background: 
    radial-gradient(circle at 15% 50%, rgba(79, 70, 229, 0.5), transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(14, 165, 233, 0.4), transparent 50%),
    linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.8;
}

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

p {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

/* Navigation */
nav {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  position: sticky;
  top: 0;
  background-color: rgba(30, 27, 75, 0.5); /* Translucent indigo */
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  z-index: 100;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo img {
  max-height: 38px;
  width: auto;
  object-fit: contain;
}

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

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
  opacity: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2563eb);
  color: var(--accent-inverted);
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2563eb, var(--accent));
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
  transform: translateY(-2px);
  opacity: 1;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--text-main);
  opacity: 1;
}

/* Grid Utilities */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Cards */
.card {
  background-color: var(--card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 2.5rem;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.1);
}

.card h3 {
  margin-top: 1rem;
}

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

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 4rem 0;
  margin-top: 4rem;
}

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

.footer-text {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}

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

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  margin-bottom: 1rem;
}

/* Hero Components */
.hero-container {
  display: flex;
  align-items: center;
  gap: 3rem;
  justify-content: space-between;
}

.hero-text {
  flex: 1;
  max-width: 580px;
}

.hero-text h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  line-height: 1.2;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-text p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.6;
  max-width: 95%;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
}

.hero-img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 2px 5px rgba(255, 255, 255, 0.1);
  animation: float 6s ease-in-out infinite;
  object-fit: contain;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

/* Responsive */
@media (max-width: 900px) {
  .hero-container {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-text {
    margin: 0 auto;
    max-width: 100%;
  }
  
  .hero-text h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
  }
  
  .hero-text p {
    margin: 0 auto 2.5rem auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* In a real app we'd add a hamburger menu, keeping simple for bare html */
  }
  
  section {
    padding: 4rem 0;
  }
}