@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --medical-cyan: #00D9FF;
  --neural-purple: #A855F7;
  --pulse-green: #10B981;
  --white: #FFFFFF;
  --charcoal: #1F2937;
  --light-gray: #F3F4F6;
  --powder-blue: #E0F2FE;
  --gradient-bio: linear-gradient(135deg, var(--medical-cyan) 0%, var(--neural-purple) 100%);
  --gradient-pulse: linear-gradient(90deg, var(--pulse-green) 0%, var(--medical-cyan) 100%);
  --shadow-soft: 0 4px 20px rgba(0, 217, 255, 0.1);
  --shadow-medium: 0 8px 30px rgba(168, 85, 247, 0.15);
  --shadow-strong: 0 12px 40px rgba(0, 217, 255, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--charcoal);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.mono {
  font-family: 'JetBrains Mono', monospace;
}

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

.wide-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--charcoal);
  font-weight: 700;
  font-size: 1.5rem;
  font-family: 'Space Grotesk', sans-serif;
}

.logo-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-bio);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.5rem;
  position: relative;
  overflow: hidden;
}

.logo-icon::before {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--charcoal);
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-bio);
  transition: width 0.3s;
}

nav a:hover::after {
  width: 100%;
}

.cta-btn {
  background: var(--gradient-bio);
  color: white;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.3s, box-shadow 0.3s;
  text-decoration: none;
  display: inline-block;
}

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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
  background: linear-gradient(135deg, var(--white) 0%, var(--powder-blue) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: var(--gradient-bio);
  opacity: 0.05;
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 1;
}

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

.hero-text h1 {
  background: var(--gradient-bio);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
}

.hero-text p {
  font-size: 1.25rem;
  color: var(--charcoal);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.hexagon {
  width: 120px;
  height: 120px;
  background: white;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s;
}

.hexagon:hover {
  transform: scale(1.1);
}

.hexagon.active {
  background: var(--gradient-bio);
  color: white;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--light-gray);
}

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

.section-header h2 {
  margin-bottom: 1rem;
  background: var(--gradient-bio);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 1.1rem;
  color: #6B7280;
  max-width: 700px;
  margin: 0 auto;
}

.diagonal-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
}

.diagonal-split::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: var(--gradient-bio);
  opacity: 0.2;
  transform: skewX(-10deg);
}

.card {
  background: white;
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--gradient-bio);
  transform: scaleY(0);
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.card:hover::before {
  transform: scaleY(1);
}

.card h3 {
  margin-bottom: 1rem;
  color: var(--charcoal);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-bio);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.stat-card {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-bio);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-bio);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: 'Space Grotesk', sans-serif;
}

.stat-label {
  color: #6B7280;
  margin-top: 0.5rem;
  font-size: 1.1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.timeline {
  position: relative;
  padding-left: 3rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-bio);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  padding-left: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -3.6rem;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--medical-cyan);
  border: 4px solid white;
  box-shadow: 0 0 0 2px var(--medical-cyan);
}

.accordion-item {
  background: white;
  border-radius: 15px;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.accordion-header {
  padding: 1.5rem 2rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  transition: background 0.3s;
}

.accordion-header:hover {
  background: var(--light-gray);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s, padding 0.3s;
  padding: 0 2rem;
}

.accordion-item.active .accordion-content {
  max-height: 500px;
  padding: 0 2rem 1.5rem;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 5rem;
  color: var(--medical-cyan);
  opacity: 0.2;
  font-family: Georgia, serif;
}

.testimonial-text {
  margin-bottom: 1.5rem;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-bio);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

.author-info h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.author-info p {
  font-size: 0.9rem;
  color: #6B7280;
}

.form-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
}

.form-modal.active {
  display: flex;
}

.form-container {
  background: white;
  border-radius: 30px;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.form-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border: none;
  background: var(--light-gray);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: background 0.3s;
}

.form-close:hover {
  background: var(--charcoal);
  color: white;
}

.form-header {
  background: var(--gradient-bio);
  padding: 3rem 2rem 2rem;
  text-align: center;
  color: white;
  border-radius: 30px 30px 0 0;
}

.brain-progress {
  width: 120px;
  height: 120px;
  margin: 0 auto 1.5rem;
  position: relative;
}

.brain-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.brain-circle {
  fill: none;
  stroke: rgba(255, 255, 255, 0.3);
  stroke-width: 8;
}

.brain-progress-circle {
  fill: none;
  stroke: white;
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.5s;
}

.form-steps {
  padding: 2.5rem;
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: fadeIn 0.5s;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.ai-message {
  background: var(--light-gray);
  padding: 1.5rem;
  border-radius: 15px;
  margin-bottom: 1.5rem;
  position: relative;
}

.ai-message::before {
  content: '🤖';
  position: absolute;
  top: -10px;
  left: 1rem;
  background: var(--gradient-bio);
  width: 35px;
  height: 35px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.typing-indicator {
  display: none;
  align-items: center;
  gap: 0.5rem;
  color: #6B7280;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.typing-indicator.active {
  display: flex;
}

.typing-dots {
  display: flex;
  gap: 0.3rem;
}

.typing-dot {
  width: 8px;
  height: 8px;
  background: var(--medical-cyan);
  border-radius: 50%;
  animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-10px); }
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--light-gray);
  border-radius: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: border-color 0.3s;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-buttons {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-top: 2rem;
}

.btn-secondary {
  background: var(--light-gray);
  color: var(--charcoal);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.3s;
}

.btn-secondary:hover {
  background: #D1D5DB;
}

footer {
  background: var(--charcoal);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h3 {
  margin-bottom: 1.5rem;
  color: var(--medical-cyan);
}

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

.footer-section li {
  margin-bottom: 0.8rem;
}

.footer-section a {
  color: white;
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #9CA3AF;
}

.page-header {
  padding: 8rem 0 4rem;
  background: var(--gradient-bio);
  color: white;
  text-align: center;
}

.page-header h1 {
  color: white;
  margin-bottom: 1rem;
}

.page-content {
  padding: 4rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}

.contact-info {
  background: var(--light-gray);
  padding: 2.5rem;
  border-radius: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-bio);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.3rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--charcoal);
  transition: all 0.3s;
}

@media (max-width: 768px) {
  .hero-content,
  .diagonal-split,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .section {
    padding: 4rem 0;
  }

  .hamburger {
    display: flex;
  }

  nav ul {
    position: fixed;
    top: 80px;
    left: -100%;
    right: 0;
    flex-direction: column;
    background: white;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: left 0.3s;
  }

  nav ul.active {
    left: 0;
  }

  .hexagon-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-container {
    width: 95%;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s, transform 0.6s;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}