/* Ask-Nova Website - Professional Healthcare Technology Styling */

:root {
  /* Primary Color Palette - Purple Theme */
  --primary-purple: #5434F5;
  --primary-light: #c2aeff;
  --secondary-purple: #7c3aed;
  --accent-purple: #8b5cf6;
  --accent-light: #c2aeff;
  
  /* Neutral Colors */
  --white: #ffffff;
  --light-gray: #faf9ff;
  --medium-gray: #6b7280;
  --dark-gray: #1f2937;
  --text-primary: #333333;
  --text-secondary: #333333;
  --black: #000000;
  
  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-secondary: 'Poppins', sans-serif;
  
  /* Spacing */
  --container-max-width: 1200px;
  --section-padding: 80px 0;
  --element-spacing: 2rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--white);
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(196, 174, 255, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 60% 10%, rgba(196, 174, 255, 0.04) 1.5px, transparent 1.5px),
    radial-gradient(circle at 85% 60%, rgba(196, 174, 255, 0.02) 1px, transparent 1px),
    radial-gradient(circle at 30% 80%, rgba(196, 174, 255, 0.035) 1.2px, transparent 1.2px);
  background-size: 200px 200px, 180px 180px, 160px 160px, 220px 220px;
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

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

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

h4 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Header & Navigation */
header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 0;
  min-height: 60px;
}

.logo {
  font-family: var(--font-secondary);
  font-size: 1.75rem;
  font-weight: 700;
  color: #5F30D7;
  text-decoration: none;
  line-height: 1;
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  min-width: 300px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  padding: 1.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
  border: 1px solid rgba(95, 48, 215, 0.1);
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 1rem 2rem 1rem 3.5rem;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s ease;
  border-bottom: none;
  position: relative;
}

.dropdown-menu a:not(:last-child) {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.dropdown-menu a:hover {
  background: linear-gradient(135deg, rgba(95, 48, 215, 0.08), rgba(194, 174, 255, 0.08));
  color: #5F30D7;
  padding-left: 4rem;
}

.dropdown-menu a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: #5F30D7;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.dropdown-menu a:hover::before {
  opacity: 1;
}

.dropdown-menu a::after {
  display: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1;
  transition: color 0.3s ease;
  position: relative;
  display: flex;
  align-items: center;
  padding: 0.5rem 0;
}

.nav-links .btn {
  margin-left: 1rem;
  font-size: 1rem;
}

.nav-links a:hover {
  color: #5F30D7;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: #5F30D7;
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #5F30D7;
  padding: 0.5rem;
  align-items: center;
  justify-content: center;
  height: 44px;
  width: 44px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  line-height: 1;
  height: 44px;
  white-space: nowrap;
  min-width: 140px;
}

.btn-primary {
  background: linear-gradient(135deg, #5F30D7, var(--primary-light));
  color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(84, 52, 245, 0.3);
}

.btn-secondary {
  background: transparent;
  color: #5F30D7;
  border: 2px solid #5F30D7;
}

.btn-secondary:hover {
  background: #5F30D7;
  color: var(--white);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-light));
  color: var(--white);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(139, 92, 246, 0.3);
}

/* Hero Section */
.hero {
  padding: 150px 0 100px;
  background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 15% 25%, rgba(196, 174, 255, 0.15) 2px, transparent 2px),
    radial-gradient(circle at 35% 10%, rgba(196, 174, 255, 0.1) 1px, transparent 1px),
    radial-gradient(circle at 65% 30%, rgba(196, 174, 255, 0.12) 1.5px, transparent 1.5px),
    radial-gradient(circle at 85% 15%, rgba(196, 174, 255, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 25% 60%, rgba(196, 174, 255, 0.1) 1.5px, transparent 1.5px),
    radial-gradient(circle at 45% 75%, rgba(196, 174, 255, 0.12) 2px, transparent 2px),
    radial-gradient(circle at 75% 65%, rgba(196, 174, 255, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 90% 80%, rgba(196, 174, 255, 0.1) 1.5px, transparent 1.5px),
    radial-gradient(circle at 10% 85%, rgba(196, 174, 255, 0.15) 2px, transparent 2px),
    radial-gradient(circle at 55% 45%, rgba(196, 174, 255, 0.06) 1px, transparent 1px);
  background-size: 120px 120px, 80px 80px, 100px 100px, 90px 90px, 110px 110px, 130px 130px, 70px 70px, 95px 95px, 140px 140px, 60px 60px;
  opacity: 0.8;
  z-index: 1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text h1 {
  color: #5F30D7;
  margin-bottom: 1.5rem;
}

.hero-text .subtitle {
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

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

.hero-image {
  text-align: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Sections */
section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  color: #5F30D7;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary-purple));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
}

.feature-card h3 {
  color: #5F30D7;
  margin-bottom: 1rem;
}

/* Stats Section */
.stats-section {
  background: #5F30D7;
  color: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

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

.stat-item p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--light-gray), var(--white));
  text-align: center;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 25% 20%, rgba(196, 174, 255, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 70% 40%, rgba(196, 174, 255, 0.1) 1.5px, transparent 1.5px),
    radial-gradient(circle at 45% 70%, rgba(196, 174, 255, 0.06) 1px, transparent 1px),
    radial-gradient(circle at 80% 15%, rgba(196, 174, 255, 0.12) 2px, transparent 2px);
  background-size: 150px 150px, 120px 120px, 100px 100px, 180px 180px;
  opacity: 0.6;
  z-index: 1;
  pointer-events: none;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* Footer */
footer {
  background: var(--dark-gray);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

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

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }
  
  nav {
    padding: 1rem 0;
  }
  
  .logo {
    font-size: 1.6rem;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    gap: 0;
    align-items: stretch;
  }
  
  .nav-links li {
    margin-bottom: 0.5rem;
  }
  
  .nav-links a {
    padding: 1rem;
    text-align: center;
    border-radius: 8px;
  }
  
  .nav-links a:hover {
    background: var(--light-gray);
  }
  
  .nav-links .btn {
    margin-top: 1rem;
    align-self: center;
    width: fit-content;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: var(--light-gray);
    margin-top: 0.5rem;
    border-radius: 8px;
    padding: 1rem 0;
    border: none;
  }
  
  .dropdown-menu a {
    padding: 0.75rem 1.5rem 0.75rem 2.5rem;
    font-weight: 500;
  }
  
  .dropdown-menu a:hover {
    padding-left: 3rem;
    background: rgba(95, 48, 215, 0.1);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* Pharma Reps Page Specific Styles */
.challenges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.challenge-card {
  background: var(--white);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 3px solid transparent;
}

.challenge-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px rgba(95, 48, 215, 0.15);
  border-color: var(--primary-light);
}

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

.challenge-icon i {
  font-size: 2rem;
  color: var(--white);
}

.challenge-card h3 {
  color: #5F30D7;
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
  font-weight: 700;
}

.challenge-problem,
.challenge-solution {
  margin-bottom: 1.5rem;
}

.challenge-problem h4,
.challenge-solution h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: 0.5rem;
}

.challenge-problem p {
  color: var(--text-secondary);
  font-style: italic;
  background: rgba(95, 48, 215, 0.05);
  padding: 1rem;
  border-radius: 10px;
  border-left: 4px solid var(--primary-purple);
}

.challenge-solution ul {
  list-style: none;
  padding: 0;
}

.challenge-solution li {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-primary);
}

.challenge-solution li:before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-purple);
  font-weight: bold;
  font-size: 1.1rem;
}

.challenge-solution strong {
  color: #5F30D7;
}

@media (max-width: 768px) {
  .challenges-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .challenge-card {
    padding: 2rem;
  }
  
  .challenge-icon {
    width: 60px;
    height: 60px;
  }
  
  .challenge-icon i {
    font-size: 1.5rem;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print Styles */
@media print {
  header,
  footer,
  .btn {
    display: none;
  }
}