/* Light Theme Base Variables: Professional Medical Tech */
:root {
  --primary: #00E5FF; /* Cyan Neon accent */
  --primary-glow: rgba(0, 229, 255, 0.4);
  --secondary: #007BFF; /* Trust Blue */
  --secondary-glow: rgba(0, 123, 255, 0.3);
  --dark-bg: #FFFFFF; /* Main Background - requested white */
  --surface-alt: #F8FAFC; /* Light gray for sections */
  --surface-panel: #FFFFFF; /* Cards and panels */
  --border-light: #E2E8F0;
  --text-main: #1E293B; /* Dark slate for high contrast */
  --text-muted: #64748B;
  --font-family: 'Outfit', sans-serif;
}

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

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

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand-logo {
  height: 45px;
  object-fit: contain;
  transition: transform 0.3s;
}

.brand-logo:hover {
  transform: scale(1.05);
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--secondary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary), #0C4A6E);
  color: #fff !important;
  box-shadow: 0 4px 15px var(--secondary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--secondary-glow);
}

.btn-secondary {
  background: var(--surface-alt);
  color: var(--text-main);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: var(--border-light);
}

.btn-outline {
  border: 1px solid var(--secondary);
  color: var(--secondary) !important;
  background: transparent;
}

.btn-outline:hover {
  background: var(--secondary);
  color: #fff !important;
  box-shadow: 0 0 10px var(--secondary-glow);
}

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

.section-alt {
  background-color: var(--surface-alt);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.section-desc {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.text-center { text-align: center; }
.text-white { color: white !important; }
.mb-lg { margin-bottom: 3.5rem; }
.pr-lg { padding-right: 3rem; }

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.badge-blue {
  background-color: #E0F2FE;
  color: #0284C7;
}

.badge-green {
  background-color: #D1FAE5;
  color: #059669;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.1);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.8) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: left;
  max-width: 800px;
  margin: 0;
}

.hero-content h1 {
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.hero-content h1 span {
  color: var(--secondary);
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.3rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 650px;
}

/* Inner Page Header */
.inner-header {
  padding: 10rem 0 5rem 0;
  background: linear-gradient(135deg, #0C4A6E, var(--secondary));
  color: white;
  text-align: center;
}

.inner-header h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.inner-header p {
  font-size: 1.3rem;
  opacity: 0.9;
  max-width: 800px;
  margin: 0 auto;
}

/* Typography animations */
.fade-in {
  opacity: 0;
  animation: fadeIn 1s forwards ease-in-out;
}
.delay-1 { animation-delay: 0.3s; }
.delay-2 { animation-delay: 0.6s; }

@keyframes fadeIn {
  to { opacity: 1; transform: translateY(0); }
  from { opacity: 0; transform: translateY(20px); }
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* Feature List */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-list li {
  display: flex;
  gap: 1rem;
}

.icon-box {
  width: 40px;
  height: 40px;
  background: #E0F2FE;
  border: 1px solid var(--secondary);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: bold;
  flex-shrink: 0;
}

/* Cards & Images */
.glass-card {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: 0 20px 40px rgba(0,0,0,0.05);
  position: relative;
  background: var(--surface-panel);
}

.feature-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

/* Benefits Card */
.benefit-card {
  background: var(--surface-panel);
  border: 1px solid var(--border-light);
  padding: 2.5rem;
  border-radius: 12px;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.benefit-card:hover {
  transform: translateY(-5px);
  border-color: var(--secondary);
  box-shadow: 0 10px 30px rgba(0, 123, 255, 0.1);
}

.b-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--secondary);
}

/* Diagram Section (CSS Diagram representation) */
.flow-diagram {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface-panel);
  padding: 3rem;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  box-shadow: 0 10px 20px rgba(0,0,0,0.03);
  flex-wrap: wrap;
  gap: 2rem;
}

.flow-step {
  text-align: center;
  flex: 1;
  min-width: 200px;
}

.flow-step-icon {
  width: 80px;
  height: 80px;
  background: var(--secondary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1rem auto;
  box-shadow: 0 10px 20px rgba(0, 123, 255, 0.2);
}

.flow-step h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.flow-arrow {
  font-size: 2rem;
  color: var(--text-muted);
}

/* Contact form */
.contact-wrapper {
  background: var(--surface-panel);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  box-shadow: 0 30px 60px rgba(0,0,0,0.08);
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.contact-info p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

.form-group input, .form-group select, .form-group textarea {
  padding: 1rem;
  background: var(--surface-alt);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-family);
  transition: border-color 0.3s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px var(--secondary-glow);
}

.submit-btn {
  width: 100%;
  font-size: 1.1rem;
  margin-top: 1rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid var(--border-light);
  background: var(--surface-alt);
}

.footer-logo {
  height: 40px;
  margin-bottom: 1rem;
}

.footer-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .hero-content h1 { font-size: 2.8rem; }
  .grid-2, .contact-wrapper, .flow-diagram { grid-template-columns: 1fr; flex-direction: column; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .contact-wrapper { padding: 2rem; }
  .header-container { padding: 1rem; }
  .nav-links { display: none; }
  .flow-arrow { transform: rotate(90deg); }
}