:root {
  --primary-color: #0a1128;
  --secondary-color: #ffffff;
  --accent-color: #00e5ff;
  --accent-hover: #00b3cc;
  --text-dark: #333333;
  --text-light: #f4f7fb;
  --bg-light: #f9fbfd;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background-color: var(--secondary-color);
  line-height: 1.6;
}

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

li {
  list-style: none;
}

/* ==================== NAVBAR ==================== */
header {
  background-color: var(--secondary-color);
  color: var(--primary-color);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color);
}

.logo-img {
  height: 70px;
  width: auto;
  display: block;
}

.logo span {
  color: var(--accent-color);
}

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

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

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

.btn-primary {
  background-color: var(--accent-color);
  color: var(--primary-color);
  padding: 0.6rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-block;
  text-align: center;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--accent-color);
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--accent-color);
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-block;
  text-align: center;
}

.btn-secondary:hover {
  background-color: rgba(0, 229, 255, 0.1);
  transform: translateY(-2px);
}

/* ==================== HERO SECTION ==================== */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1a2a5e 100%);
  color: var(--secondary-color);
  padding: 5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
}

/* ==================== EMBEDDED AI CONSULTANT ==================== */
.ai-consultant-section {
  padding: 4rem 2rem;
  background-color: var(--bg-light);
  display: flex;
  justify-content: center;
}

.ai-consultant-container {
  background: var(--secondary-color);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  display: flex;
  overflow: hidden;
  max-width: 1000px;
  width: 100%;
}

.ai-intro {
  flex: 1;
  padding: 3rem;
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

.ai-intro h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.ai-intro p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.ai-chat-interface {
  flex: 1.2;
  display: flex;
  flex-direction: column;
  background: #ffffff;
}

.chat-header {
  padding: 1.5rem;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.chat-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.5rem;
}

.chat-history {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  max-height: 400px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-message {
  max-width: 80%;
  padding: 1rem;
  border-radius: 12px;
  font-size: 0.95rem;
}

.chat-message.bot {
  background-color: #f0f4f8;
  color: var(--primary-color);
  align-self: flex-start;
  border-bottom-left-radius: 0;
}

.chat-message.user {
  background-color: var(--primary-color);
  color: var(--secondary-color);
  align-self: flex-end;
  border-bottom-right-radius: 0;
}

.chat-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.option-btn {
  background: white;
  border: 1px solid var(--accent-color);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.chat-input-area {
  padding: 1.5rem;
  border-top: 1px solid #eee;
}

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

.lead-form input {
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-family: inherit;
}

/* ==================== GLOBAL SECTIONS ==================== */
section.container {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 3rem;
}

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

.card {
  background: var(--secondary-color);
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: var(--transition);
  border: 1px solid #eee;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  border-color: var(--accent-color);
}

.card h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.card p {
  color: #555;
  margin-bottom: 1.5rem;
}

.icon-box {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #1a2a5e, var(--primary-color));
  color: var(--accent-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* ==================== FEATURED SECTION ==================== */
.featured {
  background-color: var(--primary-color);
  color: white;
  padding: 5rem 2rem;
}

.featured-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 4rem;
}

.featured-text {
  flex: 1;
}

.featured-text h2 {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.featured-image {
  flex: 1;
  background: #1a2a5e;
  border-radius: var(--border-radius);
  height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent-color);
  border: 1px dashed var(--accent-color);
}

/* ==================== CTA SECTION ==================== */
.cta-banner {
  background: linear-gradient(135deg, var(--accent-color) 0%, #00b3cc 100%);
  padding: 4rem 2rem;
  text-align: center;
  color: var(--primary-color);
}

.cta-banner h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta-banner .btn-primary {
  background-color: var(--primary-color);
  color: white;
  margin-right: 1rem;
}

.cta-banner .btn-secondary {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* ==================== FOOTER ==================== */
footer {
  background-color: var(--secondary-color);
  color: var(--primary-color);
  padding: 4rem 2rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(0,0,0,0.1);
  padding-bottom: 3rem;
}

.footer-col h4 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.footer-col a {
  display: block;
  color: #555;
  margin-bottom: 0.8rem;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  color: #888;
  font-size: 0.9rem;
}

/* ==================== FORMS (Contact Page) ==================== */
.contact-form {
  background: white;
  padding: 3rem;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--primary-color);
}

.form-group input, 
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-family: inherit;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* simple mobile menu for now */
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .ai-consultant-container {
    flex-direction: column;
  }
  .featured-content {
    flex-direction: column;
  }
  .cta-banner .btn-primary {
    margin-right: 0;
    margin-bottom: 1rem;
    display: block;
  }
  .cta-banner .btn-secondary {
    display: block;
  }
}

/* ==================== MOBILE NAVIGATION & HAMBURGER ==================== */
.menu-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--primary-color);
  user-select: none;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .nav-links {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--secondary-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-150%);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease;
    z-index: 999;
    padding: 1rem 0;
    pointer-events: none;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    margin: 1rem 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
  }
  
  .nav-links a:last-child {
    border-bottom: none;
  }
}

/* ==================== PREMIUM MICRO-ANIMATIONS ==================== */
.card, .industry-card, .case-study .case-visual, .solution-visual {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover, .industry-card:hover, .case-study:hover .case-visual, .solution-visual:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.btn-primary, .btn-secondary {
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 25px rgba(0, 229, 255, 0.4);
}

.btn-secondary:hover {
  transform: scale(1.05);
  background-color: #f0f0f0;
}

/* Scroll reveal class */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== AI CHATBOT UPGRADES ==================== */
.chat-message {
  border-radius: 16px;
  padding: 1rem 1.2rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

.chat-message.bot {
  background: rgba(10, 17, 40, 0.05);
  backdrop-filter: blur(10px);
  border-bottom-left-radius: 4px;
}

.chat-message.user {
  background: linear-gradient(135deg, var(--primary-color), #1a2a5e);
  border-bottom-right-radius: 4px;
}

.option-btn {
  border-radius: 20px;
  border: 1px solid rgba(0, 229, 255, 0.5);
  background: white;
  transition: all 0.3s ease;
}

.option-btn:hover {
  background: rgba(0, 229, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 229, 255, 0.2);
}

.lead-form input {
  border: none;
  border-bottom: 2px solid #ddd;
  border-radius: 0;
  background: transparent;
  padding: 0.8rem 0;
  transition: border-color 0.3s ease;
}

.lead-form input:focus {
  border-bottom: 2px solid var(--accent-color);
  box-shadow: none;
}

@media (max-width: 768px) {
  .btn-primary, .btn-secondary {
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    width: 100%;
    text-align: center;
  }
}