:root {
  /* Color Palette - Indian Modern AI Aesthetic */
  --primary: #6366f1; /* Electric Indigo */
  --primary-glow: rgba(99, 102, 241, 0.5);
  --secondary: #f43f5e; /* Vibrant Rose / Coral */
  --accent: #fbbf24; /* Amber / Marigold */
  --bg-dark: #020617; /* Deepest Navy */
  --surface: #0f172a;
  --surface-light: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --glass: rgba(15, 23, 42, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

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

ul {
  list-style: none;
}

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

/* --- Navigation --- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 1000;
  transition: var(--transition);
}

nav.scrolled {
  background: var(--glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 0;
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

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

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

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-main);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-main);
}

/* --- Hero Section --- */
.hero {
  padding: 12rem 0 8rem;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 70% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(244, 63, 94, 0.1) 0%, transparent 50%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -15%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 75%);
  filter: blur(100px);
  z-index: -1;
  opacity: 0.6;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem;
  background: rgba(255, 255, 255, 0.01);
  backdrop-filter: blur(4px);
  border-radius: 3rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.hero h1 {
  font-size: 5rem;
  line-height: 1;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, #ffffff 30%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.hero p {
  font-size: 1.35rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* --- Sections Common --- */
section {
  padding: 6rem 0;
}

.section-tag {
  color: var(--secondary);
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 1rem;
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3.5rem;
}

/* --- Solutions Grid --- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.solution-card {
  background: var(--surface);
  padding: 2.5rem;
  border-radius: 1.5rem;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.solution-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  background: var(--surface-light);
}

.solution-card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  display: block;
}

.solution-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.solution-card p {
  color: var(--text-muted);
}

/* --- Resources Section --- */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.resource-card {
  border-radius: 1.25rem;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--glass-border);
}

.resource-img {
  height: 200px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.resource-content {
  padding: 1.5rem;
}

.resource-content span {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

.resource-content h4 {
  margin: 0.5rem 0 1rem;
  font-size: 1.25rem;
}

/* --- Form / Demo Section --- */
.demo-box {
  background: linear-gradient(135deg, var(--surface), var(--bg-dark));
  border: 1px solid var(--glass-border);
  border-radius: 2rem;
  padding: 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.demo-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.demo-form input, .demo-form textarea {
  background: var(--bg-dark);
  border: 1px solid var(--glass-border);
  padding: 1rem;
  border-radius: 0.75rem;
  color: white;
  font-family: inherit;
}

/* --- Footer --- */
footer {
  padding: 4rem 0;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  padding: 3rem;
  border-radius: 2rem;
  max-width: 500px;
  width: 90%;
  text-align: center;
  transform: scale(0.9);
  transition: var(--transition);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.2);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
}

.modal-content h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.modal-content p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate {
  animation: fadeInUp 0.8s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 3rem; }
  .demo-box { grid-template-columns: 1fr; padding: 2rem; }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}