/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Medical/AI Color Palette */
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary-color: #10b981;
  --accent-color: #f59e0b;
  --medical-blue: #0ea5e9;
  --medical-green: #22c55e;
  --medical-red: #ef4444;
  --medical-purple: #8b5cf6;
  
  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
  overflow-x: hidden;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-logo i {
  font-size: var(--font-size-2xl);
}

.logo-text-desktop {
  display: inline;
}

.logo-text-mobile {
  display: none;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-8);
  align-items: center;
}

.nav-menu > .nav-link {
  margin-right: 0;
}

.nav-link {
  color: var(--gray-600);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-full);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle .bar {
  width: 25px;
  height: 3px;
  background: var(--gray-600);
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
}

.nav-toggle.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Navigation Auth Styles - All links now in single nav-menu */
.nav-logged-in {
  /* These are individual nav links, no special styling needed */
}

.nav-guest {
  /* These are individual nav links, no special styling needed */
}

.nav-login,
.nav-register {
  color: var(--gray-600);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
}

.nav-login:hover,
.nav-register:hover {
  color: var(--primary-color);
  background: rgba(37, 99, 235, 0.05);
  border-color: rgba(37, 99, 235, 0.2);
}

.nav-register {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.3);
  color: var(--primary-color) !important;
}

.nav-register:hover {
  background: rgba(37, 99, 235, 0.15);
  border-color: rgba(37, 99, 235, 0.4);
  color: var(--primary-dark) !important;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.modal-content {
  background: var(--white);
  margin: 5% auto;
  padding: 0;
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 450px;
  box-shadow: var(--shadow-xl);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-header h2 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.close {
  color: var(--white);
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.close:hover {
  opacity: 0.7;
}

.modal-body {
  padding: var(--spacing-6);
}

.modal-footer {
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--gray-200);
  text-align: center;
  background: var(--gray-50);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.modal-footer p {
  margin: 0;
  color: var(--gray-600);
}

.modal-footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.modal-footer a:hover {
  text-decoration: underline;
}

/* Form Styles */
.form-group {
  margin-bottom: var(--spacing-5);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: 500;
  color: var(--gray-700);
}

.form-group input {
  width: 100%;
  padding: var(--spacing-3);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  transition: all 0.3s ease;
  background: var(--white);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input.error {
  border-color: var(--medical-red);
}

.error-message {
  color: var(--medical-red);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-1);
  display: none;
}

.error-message.show {
  display: block;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Loading States */
.btn.loading {
  opacity: 0.7;
  pointer-events: none;
}

.btn.loading i {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* AI Loading Animation */
.ai-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.ai-loading-container {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-xl);
  text-align: center;
  max-width: 400px;
  width: 90%;
}

.ai-brain-loader {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-6);
}

.ai-brain-core {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: aiPulse 2s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}

.ai-brain-core::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
  animation: aiShine 2s linear infinite;
}

.ai-brain-core i {
  font-size: 2rem;
  color: var(--white);
  z-index: 1;
  position: relative;
}

.ai-loading-rings {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.ai-ring {
  position: absolute;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  opacity: 0.3;
  animation: aiRingExpand 2s ease-out infinite;
}

.ai-ring:nth-child(1) {
  animation-delay: 0s;
}

.ai-ring:nth-child(2) {
  animation-delay: 0.5s;
}

.ai-ring:nth-child(3) {
  animation-delay: 1s;
}

.ai-loading-text {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-2);
}

.ai-loading-subtext {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin-bottom: var(--spacing-4);
}

.ai-loading-dots {
  display: flex;
  justify-content: center;
  gap: var(--spacing-1);
}

.ai-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: aiDotBounce 1.4s ease-in-out infinite both;
}

.ai-dot:nth-child(1) { animation-delay: -0.32s; }
.ai-dot:nth-child(2) { animation-delay: -0.16s; }
.ai-dot:nth-child(3) { animation-delay: 0s; }

@keyframes aiPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 0 20px rgba(37, 99, 235, 0);
  }
}

@keyframes aiShine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes aiRingExpand {
  0% {
    transform: scale(0.8);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

@keyframes aiDotBounce {
  0%, 80%, 100% {
    transform: scale(0);
  }
  40% {
    transform: scale(1);
  }
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, 
    rgba(37, 99, 235, 0.08) 0%, 
    rgba(16, 185, 129, 0.06) 20%, 
    rgba(139, 92, 246, 0.05) 40%, 
    rgba(255, 255, 255, 0.9) 60%, 
    rgba(6, 182, 212, 0.04) 80%, 
    rgba(245, 158, 11, 0.03) 100%);
  overflow: hidden;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  width: 100%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-6);
  color: var(--gray-900);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--spacing-8);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-12);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--primary-color);
}

.btn-large {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-8);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  font-weight: 500;
}

/* AI Brain Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.ai-brain {
  position: relative;
  width: 300px;
  height: 300px;
}

.brain-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.brain-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.brain-core {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-xl);
  animation: float 3s ease-in-out infinite;
}

.brain-core i {
  font-size: 3rem;
  color: var(--white);
}

.neural-network {
  position: absolute;
  width: 100%;
  height: 100%;
}

.neural-node {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--secondary-color);
  border-radius: 50%;
  animation: neuralPulse 2s infinite;
}

.neural-node:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.neural-node:nth-child(2) {
  top: 30%;
  right: 15%;
  animation-delay: 0.3s;
}

.neural-node:nth-child(3) {
  bottom: 25%;
  left: 20%;
  animation-delay: 0.6s;
}

.neural-node:nth-child(4) {
  bottom: 35%;
  right: 10%;
  animation-delay: 0.9s;
}

.neural-node:nth-child(5) {
  top: 50%;
  left: 5%;
  animation-delay: 1.2s;
}

.neural-node:nth-child(6) {
  top: 60%;
  right: 5%;
  animation-delay: 1.5s;
}

/* Floating Elements */
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
}

.floating-element {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.element-1 {
  width: 60px;
  height: 60px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.element-2 {
  width: 40px;
  height: 40px;
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.element-3 {
  width: 80px;
  height: 80px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

.element-4 {
  width: 50px;
  height: 50px;
  top: 40%;
  right: 30%;
  animation-delay: 1s;
}

/* Neon Sparks */
.neon-sparks {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.star {
  position: absolute;
  width: 8px;
  height: 8px;
  background: currentColor;
  border-radius: 50%;
  animation: starBlink 3s ease-in-out infinite;
  box-shadow: 0 0 12px currentColor;
}

.star::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  background: radial-gradient(circle, currentColor 0%, transparent 70%);
  border-radius: 50%;
  opacity: 0.3;
}

.star::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  background: radial-gradient(circle, currentColor 0%, transparent 80%);
  border-radius: 50%;
  opacity: 0.15;
}

.star-1 {
  color: #3b82f6;
  top: 15%;
  left: 10%;
  animation-delay: 0s;
}

.star-2 {
  color: #10b981;
  top: 25%;
  left: 80%;
  animation-delay: 0.5s;
}

.star-3 {
  color: #8b5cf6;
  top: 40%;
  left: 20%;
  animation-delay: 1s;
}

.star-4 {
  color: #06b6d4;
  top: 60%;
  left: 70%;
  animation-delay: 1.5s;
}

.star-5 {
  color: #f59e0b;
  top: 75%;
  left: 15%;
  animation-delay: 2s;
}

.star-6 {
  color: #84cc16;
  top: 85%;
  left: 85%;
  animation-delay: 2.5s;
}

.star-7 {
  color: #ef4444;
  top: 30%;
  left: 50%;
  animation-delay: 0.3s;
}

.star-8 {
  color: #ec4899;
  top: 50%;
  left: 5%;
  animation-delay: 0.8s;
}

.star-9 {
  color: #6366f1;
  top: 70%;
  left: 90%;
  animation-delay: 1.3s;
}

.star-10 {
  color: #14b8a6;
  top: 10%;
  left: 60%;
  animation-delay: 1.8s;
}

@keyframes starBlink {
  0%, 100% {
    opacity: 0.2;
    transform: scale(0.8);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.2);
  }
}

/* Section Separator */
.section-separator {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(37, 99, 235, 0.2) 25%, 
    rgba(16, 185, 129, 0.2) 50%, 
    rgba(37, 99, 235, 0.2) 75%, 
    transparent 100%);
  margin: 0;
}

/* Features Section */
.features {
  padding: var(--spacing-24) 0;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.95) 0%, 
    rgba(37, 99, 235, 0.04) 20%, 
    rgba(139, 92, 246, 0.03) 40%, 
    rgba(255, 255, 255, 0.9) 60%, 
    rgba(16, 185, 129, 0.04) 80%, 
    rgba(6, 182, 212, 0.02) 100%);
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
  position: relative;
  z-index: 1;
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-4);
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-8);
  position: relative;
  z-index: 1;
}

.feature-card {
  background: transparent;
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  border: 2px solid rgba(37, 99, 235, 0.2);
  text-align: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto var(--spacing-6);
  background: transparent;
  border: 2px solid currentColor;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.feature-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: currentColor;
  opacity: 0.1;
  border-radius: 50%;
}

.feature-icon i {
  font-size: 1.5rem;
  color: currentColor;
  position: relative;
  z-index: 1;
}

/* Individual feature icon colors */
.feature-card:nth-child(1) .feature-icon {
  color: #3b82f6;
}

.feature-card:nth-child(2) .feature-icon {
  color: #10b981;
}

.feature-card:nth-child(3) .feature-icon {
  color: #8b5cf6;
}

.feature-card:nth-child(4) .feature-icon {
  color: #f59e0b;
}

.feature-card:nth-child(5) .feature-icon {
  color: #06b6d4;
}

.feature-card:nth-child(6) .feature-icon {
  color: #84cc16;
}

.feature-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-4);
}

.feature-card p {
  color: var(--gray-600);
  line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
  padding: var(--spacing-24) 0;
  background: linear-gradient(135deg, 
    rgba(249, 250, 251, 0.9) 0%, 
    rgba(16, 185, 129, 0.04) 20%, 
    rgba(6, 182, 212, 0.03) 40%, 
    rgba(249, 250, 251, 0.95) 60%, 
    rgba(139, 92, 246, 0.03) 80%, 
    rgba(245, 158, 11, 0.02) 100%);
  position: relative;
}

.how-it-works::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 70%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 50% 10%, rgba(6, 182, 212, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
  margin-top: var(--spacing-16);
  position: relative;
  z-index: 1;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: transparent;
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  border: 2px solid rgba(16, 185, 129, 0.2);
  transition: all 0.3s ease;
  gap: var(--spacing-6);
  backdrop-filter: blur(10px);
}

.step:hover {
  transform: translateY(-5px);
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.1);
}

.step-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  margin-bottom: var(--spacing-4);
  background: transparent;
  border: 2px solid currentColor;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.step-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: currentColor;
  opacity: 0.1;
  border-radius: 50%;
}

.step-icon i {
  font-size: 1.5rem;
  color: currentColor;
  position: relative;
  z-index: 1;
}

/* Individual step icon colors */
.step:nth-child(1) .step-icon {
  color: #06b6d4;
}

.step:nth-child(2) .step-icon {
  color: #8b5cf6;
}

.step:nth-child(3) .step-icon {
  color: #10b981;
}

.step-content {
  flex: 1;
}

.step-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-3);
}

.step-content p {
  color: var(--gray-600);
  line-height: 1.6;
}

/* CTA Section */
.cta {
  padding: var(--spacing-24) 0;
  background: linear-gradient(135deg, 
    var(--primary-color) 0%, 
    rgba(37, 99, 235, 0.9) 25%, 
    var(--primary-dark) 50%, 
    rgba(29, 78, 216, 0.9) 75%, 
    var(--primary-color) 100%);
  color: var(--white);
  position: relative;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 25% 25%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
}

.cta-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-8);
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-4);
}

.footer-logo i {
  font-size: var(--font-size-2xl);
}

.footer-section p {
  color: var(--gray-400);
  margin-bottom: var(--spacing-4);
  line-height: 1.6;
}

.footer-section h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-4);
  color: var(--white);
}

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

.footer-section ul li {
  margin-bottom: var(--spacing-2);
}

.footer-section ul li a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--primary-color);
}

.social-links {
  display: flex;
  gap: var(--spacing-4);
  margin-top: var(--spacing-4);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--gray-400);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
}

.contact-info i {
  color: var(--primary-color);
  width: 16px;
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--spacing-8);
  text-align: center;
  color: var(--gray-400);
}

/* Animations */
@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.1);
    opacity: 0;
  }
}

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

@keyframes neuralPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.5);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .logo-text-desktop {
    display: none;
  }
  
  .logo-text-mobile {
    display: inline;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: var(--spacing-8);
    transition: left 0.3s ease;
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-8);
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero {
    padding-top: calc(70px + var(--spacing-4));
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .steps-container {
    grid-template-columns: 1fr;
  }


  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-3);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .cta-title {
    font-size: var(--font-size-3xl);
  }
}

/* Scroll animations */
.animate__animated {
  animation-duration: 1s;
  animation-fill-mode: both;
}

.animate__fadeInLeft {
  animation-name: fadeInLeft;
}

.animate__fadeInRight {
  animation-name: fadeInRight;
}

.animate__fadeInUp {
  animation-name: fadeInUp;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translate3d(-100%, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translate3d(100%, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 100%, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Loading states */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Focus states for accessibility */
.btn:focus,
.nav-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Profile Page Styles */
.profile-section {
  padding: calc(70px + var(--spacing-4)) 0 var(--spacing-8);
  background: linear-gradient(135deg, 
    rgba(37, 99, 235, 0.08) 0%, 
    rgba(16, 185, 129, 0.06) 20%, 
    rgba(139, 92, 246, 0.05) 40%, 
    rgba(255, 255, 255, 0.9) 60%, 
    rgba(6, 182, 212, 0.04) 80%, 
    rgba(245, 158, 11, 0.03) 100%);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.profile-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

.profile-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 10% 20%, rgba(245, 158, 11, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 30% 70%, rgba(34, 197, 94, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Floating Background Elements */
.profile-floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
}

.profile-floating-element {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  opacity: 0.05;
  animation: profileFloat 8s ease-in-out infinite;
}

.profile-element-1 {
  width: 40px;
  height: 40px;
  top: 15%;
  left: 10%;
  animation-delay: 0s;
}

.profile-element-2 {
  width: 25px;
  height: 25px;
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.profile-element-3 {
  width: 35px;
  height: 35px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

.profile-element-4 {
  width: 30px;
  height: 30px;
  top: 40%;
  right: 30%;
  animation-delay: 1s;
}

@keyframes profileFloat {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 0.05;
  }
  50% {
    transform: translateY(-15px) rotate(180deg);
    opacity: 0.1;
  }
}

.profile-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--spacing-4);
  align-items: center;
  background: transparent;
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(37, 99, 235, 0.2);
  margin-bottom: var(--spacing-4);
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 1;
}

.profile-avatar {
  position: relative;
}

.avatar-container {
  position: relative;
  width: 50px;
  height: 50px;
}

.avatar-container i {
  font-size: 2.5rem;
  color: var(--primary-color);
  position: relative;
  z-index: 1;
}

.avatar-status {
  position: absolute;
  bottom: 3px;
  right: 3px;
  width: 12px;
  height: 12px;
  background: var(--secondary-color);
  border: 2px solid var(--white);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.profile-info {
  flex: 1;
}

.profile-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-1);
}

.profile-email {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin-bottom: var(--spacing-2);
}

.profile-stats {
  display: flex;
  gap: var(--spacing-3);
}

.stat-item {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--primary-color);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.profile-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
  position: relative;
  z-index: 1;
}

/* 2x2 Grid Layout for Larger Screens */
@media (min-width: 1024px) {
  .profile-content {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--spacing-4);
  }
  
  /* Profile Details and Coin Management in first row */
  .profile-card:nth-child(1),
  .profile-card:nth-child(2) {
    grid-row: 1;
  }
  
  /* Payment History and Diagnostic History in second row */
  .profile-card:nth-child(3),
  .profile-card:nth-child(4) {
    grid-row: 2;
  }
}

.profile-card {
  background: transparent;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(37, 99, 235, 0.2);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.profile-card:hover {
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.1);
}

.card-header {
  padding: var(--spacing-3);
  border-bottom: 1px solid rgba(37, 99, 235, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(37, 99, 235, 0.05);
  color: var(--gray-700);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  min-height: 48px;
}

.card-header h2 {
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  color: var(--gray-700);
}

.card-header h2 i {
  color: var(--primary-color);
  opacity: 0.8;
}

.card-header .btn {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
  border: 1px solid rgba(37, 99, 235, 0.2);
  font-size: var(--font-size-xs);
  padding: var(--spacing-1) var(--spacing-2);
}

.card-header .btn:hover {
  background: rgba(37, 99, 235, 0.15);
  border-color: rgba(37, 99, 235, 0.3);
}

.card-body {
  padding: var(--spacing-3);
}

.profile-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-1);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group select {
  padding: var(--spacing-2);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  transition: all 0.3s ease;
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input[readonly]:not([name="dob"]):not([name="height"]):not([name="weight"]),
.form-group select:disabled {
  background: var(--gray-50);
  color: var(--gray-600);
  cursor: not-allowed;
}

/* Allow DOB, height and weight to be editable even when readonly */
.form-group input[name="dob"]:not(:disabled),
.form-group input[name="height"]:not(:disabled),
.form-group input[name="weight"]:not(:disabled) {
  background: var(--white);
  color: var(--gray-900);
  cursor: text;
}

.form-actions {
  display: flex;
  gap: var(--spacing-2);
  margin-top: var(--spacing-2);
  padding-top: var(--spacing-2);
  border-top: 1px solid var(--gray-200);
}

.btn {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
}

/* Coin Management Styles - Integrated Design */
.coin-balance {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-1);
  min-height: 40px;
  justify-content: center;
}

.coin-amount {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--accent-color);
}

.coin-label {
  font-size: var(--font-size-xs);
  color: var(--gray-600);
  opacity: 0.8;
}

/* Integrated Purchase Section */
.coin-purchase-section {
  margin-top: var(--spacing-4);
  padding-top: var(--spacing-4);
  border-top: 1px solid rgba(37, 99, 235, 0.1);
}

.coin-purchase-section h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-2);
  text-align: center;
}

.coin-description {
  color: var(--gray-600);
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-sm);
  text-align: center;
  line-height: 1.5;
}

/* Inline Purchase Design */
.purchase-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(37, 99, 235, 0.05);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  transition: all 0.3s ease;
}

.purchase-inline:hover {
  border-color: rgba(37, 99, 235, 0.3);
  background: rgba(37, 99, 235, 0.08);
}

.purchase-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.purchase-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.purchase-icon i {
  font-size: 1rem;
  color: var(--white);
}

.purchase-details h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-1);
}

.purchase-price {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary-color);
}

.purchase-per-coin {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.purchase-btn {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  border: none;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all 0.3s ease;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.2);
  min-width: 120px;
}

.purchase-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Payment Modal Styles */
.payment-summary {
  margin-bottom: var(--spacing-6);
}

.payment-summary h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-4);
}

.payment-details {
  background: var(--gray-50);
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
}

.payment-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-2);
}

.payment-item.total {
  font-weight: 600;
  color: var(--primary-color);
  border-top: 1px solid var(--gray-200);
  padding-top: var(--spacing-2);
  margin-top: var(--spacing-2);
}

.payment-form {
  margin-bottom: var(--spacing-6);
}

.payment-actions {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
}

/* History Styles */
.loading-state {
  text-align: center;
  padding: var(--spacing-4);
  color: var(--gray-500);
}

.loading-state i {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-2);
}

.loading-state p {
  font-size: var(--font-size-sm);
}

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-2);
  border-bottom: 1px solid var(--gray-200);
  transition: background 0.3s ease;
}

.history-item:hover {
  background: var(--gray-50);
}

.history-item:last-child {
  border-bottom: none;
}

.history-info {
  flex: 1;
}

.history-title {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-1);
  font-size: var(--font-size-sm);
}

.history-details {
  font-size: var(--font-size-xs);
  color: var(--gray-600);
}

.history-status {
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.history-status.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--secondary-color);
}

.history-status.pending {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-color);
}

.history-status.failed {
  background: rgba(239, 68, 68, 0.1);
  color: var(--medical-red);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-8);
  color: var(--gray-500);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: var(--spacing-4);
  opacity: 0.5;
}

/* Responsive Design for Profile */
@media (max-width: 768px) {
  .profile-header {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-4);
  }

  .profile-stats {
    justify-content: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .packages-grid {
    grid-template-columns: 1fr;
  }

  .payment-actions {
    flex-direction: column;
  }

  .form-actions {
    flex-direction: column;
  }
}

/* Diagnose Page Styles */
.diagnose-section {
  padding: calc(70px + var(--spacing-3)) 0 var(--spacing-6);
  background: linear-gradient(135deg, 
    rgba(37, 99, 235, 0.08) 0%, 
    rgba(16, 185, 129, 0.06) 20%, 
    rgba(139, 92, 246, 0.05) 40%, 
    rgba(255, 255, 255, 0.9) 60%, 
    rgba(6, 182, 212, 0.04) 80%, 
    rgba(245, 158, 11, 0.03) 100%);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.diagnose-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

/* Floating Background Elements */
.diagnose-floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
}

.diagnose-floating-element {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  opacity: 0.05;
  animation: diagnoseFloat 8s ease-in-out infinite;
}

.diagnose-element-1 {
  width: 40px;
  height: 40px;
  top: 15%;
  left: 10%;
  animation-delay: 0s;
}

.diagnose-element-2 {
  width: 25px;
  height: 25px;
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.diagnose-element-3 {
  width: 35px;
  height: 35px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

.diagnose-element-4 {
  width: 30px;
  height: 30px;
  top: 40%;
  right: 30%;
  animation-delay: 1s;
}

@keyframes diagnoseFloat {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 0.05;
  }
  50% {
    transform: translateY(-15px) rotate(180deg);
    opacity: 0.1;
  }
}

.diagnose-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  padding: var(--spacing-3);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(37, 99, 235, 0.2);
  margin-bottom: var(--spacing-3);
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 1;
}

.diagnose-title h1 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-1);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.diagnose-title h1 i {
  color: var(--primary-color);
}

.diagnose-title p {
  color: var(--gray-600);
  font-size: var(--font-size-xs);
}

.diagnose-stats {
  display: flex;
  gap: var(--spacing-4);
}

.diagnose-stats .stat-item {
  text-align: center;
}

.diagnose-stats .stat-value {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary-color);
}

.diagnose-stats .stat-label {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* Profile Completion Card */
.profile-completion-card {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(251, 191, 36, 0.05));
  border-radius: var(--radius-xl);
  border: 2px solid rgba(245, 158, 11, 0.2);
  backdrop-filter: blur(10px);
  margin-bottom: var(--spacing-4);
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.1);
  overflow: hidden;
}

.profile-completion-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), #f59e0b, var(--accent-color));
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.profile-completion-card .card-header {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(251, 191, 36, 0.05));
  color: var(--accent-color);
  padding: var(--spacing-4);
  border-bottom: 1px solid rgba(245, 158, 11, 0.15);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.profile-completion-card .card-header h2 {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.profile-completion-card .card-body {
  padding: var(--spacing-4);
}

.required-fields {
  list-style: none;
  margin: var(--spacing-3) 0;
}

.required-fields li {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
  color: var(--gray-700);
  font-size: var(--font-size-sm);
}

.required-fields li i {
  color: var(--accent-color);
  width: 16px;
  font-size: var(--font-size-sm);
}

.completion-actions {
  margin-top: var(--spacing-3);
  text-align: center;
}

/* Diagnose Form Card */
.diagnose-form-card {
  background: transparent;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(37, 99, 235, 0.2);
  backdrop-filter: blur(10px);
  margin-bottom: var(--spacing-4);
  position: relative;
  z-index: 1;
}

.diagnose-form-card .card-header {
  background: rgba(37, 99, 235, 0.05);
  color: var(--gray-700);
  padding: var(--spacing-3);
  border-bottom: 1px solid rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.diagnose-form-card .card-header h2 {
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.diagnose-form-card .card-body {
  padding: var(--spacing-4);
}

.diagnose-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.form-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.form-section h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-1);
}

.form-section h3 i {
  color: var(--primary-color);
}

.section-description {
  color: var(--gray-600);
  font-size: var(--font-size-xs);
  margin-bottom: var(--spacing-3);
}

/* Symptoms Container */
.symptoms-container {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--white);
  max-height: 300px;
  overflow-y: auto;
}

.symptoms-accordion {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.symptom-category {
  border-bottom: 1px solid var(--gray-200);
}

.symptom-category:last-child {
  border-bottom: none;
}

.category-header {
  background: var(--gray-50);
  padding: var(--spacing-2);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.category-header:hover {
  background: var(--gray-100);
}

.category-header.active {
  background: rgba(37, 99, 235, 0.1);
}

.category-title {
  font-weight: 600;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.category-icon {
  width: 24px;
  height: 24px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: var(--font-size-sm);
}

.category-toggle {
  color: var(--gray-500);
  transition: transform 0.3s ease;
}

.category-toggle.active {
  transform: rotate(180deg);
}

.category-content {
  padding: var(--spacing-2);
  background: var(--white);
  display: none;
}

.category-content.active {
  display: block;
}

.symptoms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-2);
}

.symptom-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.symptom-item:hover {
  background: var(--gray-50);
  border-color: var(--gray-200);
}

.symptom-item.selected {
  background: rgba(37, 99, 235, 0.1);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.symptom-checkbox {
  width: 16px;
  height: 16px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.symptom-item.selected .symptom-checkbox {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.symptom-item.selected .symptom-checkbox::after {
  content: '✓';
  color: var(--white);
  font-size: 10px;
  font-weight: bold;
}

.symptom-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* Selected Symptoms */
.selected-symptoms {
  margin-top: var(--spacing-4);
  padding: var(--spacing-4);
  background: rgba(37, 99, 235, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(37, 99, 235, 0.1);
}

.selected-symptoms h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-3);
}

.symptom-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.symptom-tag {
  background: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.symptom-tag .remove-btn {
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}

.symptom-tag .remove-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Form Elements */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
}

.form-group textarea {
  padding: var(--spacing-3);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  transition: all 0.3s ease;
  background: var(--white);
  resize: vertical;
  min-height: 80px;
}

.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Submit Section */
.submit-section {
  border-top: 1px solid var(--gray-200);
  padding-top: var(--spacing-6);
}

.submit-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
  padding: var(--spacing-4);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
}

.cost-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--gray-700);
}

.cost-info i {
  color: var(--accent-color);
}

.balance-info {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

.form-actions {
  display: flex;
  gap: var(--spacing-4);
  justify-content: flex-end;
}

/* Results Card */
.results-card {
  background: transparent;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  backdrop-filter: blur(10px);
  margin-bottom: var(--spacing-4);
  position: relative;
  z-index: 1;
}

/* Enhanced Results Display */
.result-section {
  margin-bottom: var(--spacing-3);
  padding: var(--spacing-3);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  background: var(--white);
}

.result-section.qril-assessment {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(16, 185, 129, 0.05));
  border-color: rgba(37, 99, 235, 0.2);
}

.result-section.prediction-analysis {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(6, 182, 212, 0.05));
  border-color: rgba(16, 185, 129, 0.2);
}

.result-section.scrolls-section {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), rgba(245, 158, 11, 0.05));
  border-color: rgba(139, 92, 246, 0.2);
}

.result-section-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-2);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.result-section-title.qril {
  color: var(--primary-color);
}

.result-section-title.prediction {
  color: var(--secondary-color);
}

.result-section-title.scrolls {
  color: var(--medical-purple);
}

.result-section-title i {
  font-size: var(--font-size-base);
}

.result-content {
  color: var(--gray-700);
  line-height: 1.6;
}

.result-content h3 {
  color: var(--gray-900);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin: var(--spacing-3) 0 var(--spacing-2) 0;
}

.result-content h4 {
  color: var(--gray-800);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin: var(--spacing-2) 0 var(--spacing-1) 0;
}

.result-content ul {
  margin-left: var(--spacing-4);
  margin-bottom: var(--spacing-3);
}

.result-content li {
  margin-bottom: var(--spacing-1);
  color: var(--gray-700);
}

.result-content strong {
  color: var(--gray-900);
  font-weight: 600;
}


.results-card .card-header {
  background: rgba(16, 185, 129, 0.1);
  color: var(--secondary-color);
  padding: var(--spacing-4);
  border-bottom: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.results-card .card-header h2 {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}



.results-card .card-body {
  padding: var(--spacing-6);
}

.result-summary {
  background: rgba(16, 185, 129, 0.05);
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(16, 185, 129, 0.1);
  margin-bottom: var(--spacing-6);
}

.result-summary h3 {
  color: var(--gray-900);
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

.result-summary p {
  color: var(--gray-700);
  line-height: 1.6;
}

.result-details {
  background: var(--white);
  padding: var(--spacing-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.result-details h4 {
  color: var(--gray-900);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-3);
}

.result-details ul {
  margin-left: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.result-details li {
  color: var(--gray-700);
  margin-bottom: var(--spacing-1);
  line-height: 1.5;
}

.result-actions {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  margin-top: var(--spacing-6);
}

/* Insufficient Coins Modal */
#insufficientCoinsModal .modal-content {
  max-width: 500px;
}

.coins-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
}

.coins-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent-color), #f59e0b);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: var(--font-size-xl);
}

.coins-message h3 {
  color: var(--gray-900);
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

.coins-message p {
  color: var(--gray-600);
  line-height: 1.5;
}

.purchase-options h4 {
  color: var(--gray-900);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-4);
}

.coin-package {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--gray-50);
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.package-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.package-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.package-details h5 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-1);
}

.package-price {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary-color);
}

.package-per-coin {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* Responsive Design for Diagnose */
@media (max-width: 768px) {
  .diagnose-header {
    flex-direction: column;
    gap: var(--spacing-4);
    text-align: center;
  }

  .diagnose-stats {
    justify-content: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .symptoms-grid {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
  }

  .result-actions {
    flex-direction: column;
  }

  .submit-info {
    flex-direction: column;
    gap: var(--spacing-2);
    text-align: center;
  }

  .coins-info {
    flex-direction: column;
    text-align: center;
  }

  .coin-package {
    flex-direction: column;
    gap: var(--spacing-4);
  }
}

/* Print styles */
@media print {
  .navbar,
  .footer,
  .hero-buttons,
  .cta {
    display: none;
  }
  
  .hero {
    min-height: auto;
    padding: calc(70px + var(--spacing-8)) 0 var(--spacing-8) 0;
  }
}