:root {
  --bg: #05050a;
  --primary: #6cf0ff;
  --accent: #ff8c42;
  --text: #f4f4f6;
  --muted: #9ea3b5;
  --card: #111224;
  --success: #4ade80;
  --border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero {
  padding: 5rem 0 3rem;
  background: radial-gradient(circle at top, rgba(108, 240, 255, 0.15), transparent 60%);
  text-align: center;
}

.badge {
  display: inline-block;
  background: rgba(108, 240, 255, 0.12);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
  border: 1px solid rgba(108, 240, 255, 0.3);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin: 1rem 0 0.5rem;
  background: linear-gradient(120deg, var(--text), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 720px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.cta {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}

.cta:hover {
  transform: translateY(-2px);
}

.cta.primary {
  background: linear-gradient(120deg, var(--primary), var(--accent));
  color: #020205;
  box-shadow: 0 4px 20px rgba(108, 240, 255, 0.3);
}

.cta.primary:hover {
  box-shadow: 0 6px 30px rgba(108, 240, 255, 0.4);
}

.cta.secondary {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.cta.secondary:hover {
  background: rgba(108, 240, 255, 0.1);
}

.stats {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--muted);
}

.stats span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Platform Overview */
.platform-overview {
  padding: 4rem 0;
}

.platform-overview h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.platform-card {
  background: var(--card);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  transition: border-color 0.3s, transform 0.3s;
}

.platform-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.platform-card .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.platform-card h3 {
  margin: 0 0 0.75rem 0;
  color: var(--primary);
}

.platform-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

/* Demo Section */
.demo-section {
  background: var(--card);
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.demo-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.demo-section > .container > p {
  text-align: center;
  color: var(--muted);
  margin-bottom: 2rem;
}

.demo-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.demo-controls select {
  flex: 1;
  min-width: 200px;
  padding: 0.75rem 1rem;
  border-radius: 0.6rem;
  border: 1px solid var(--border);
  background: #111224;
  color: var(--text);
  font-size: 0.95rem;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ea3b5' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.demo-controls select:focus {
  outline: none;
  border-color: var(--primary);
}

.demo-controls select option,
.demo-controls select optgroup {
  background: #111224;
  color: var(--text);
  padding: 0.5rem;
}

.demo-controls select optgroup {
  font-weight: 600;
  color: var(--primary);
}

.demo-output {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 0.8rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  margin-bottom: 1rem;
}

.health-status {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.health-status .loading {
  color: var(--muted);
}

.health-status .healthy {
  color: var(--success);
}

.health-status .error {
  color: var(--accent);
}

#apiResponse {
  margin: 0;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 0.5rem;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--primary);
  max-height: 400px;
  overflow-y: auto;
}

.api-stats {
  display: flex;
  gap: 2rem;
  justify-content: space-around;
  flex-wrap: wrap;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 0.6rem;
  border: 1px solid var(--border);
}

.api-stats .stat {
  text-align: center;
}

.api-stats .stat strong {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.api-stats .stat span {
  font-size: 1.2rem;
  color: var(--primary);
  font-weight: 600;
}

/* Personas Section */
.personas-section {
  padding: 4rem 0;
}

.personas-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.personas-section > p {
  text-align: center;
  color: var(--muted);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.personas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.persona-card {
  background: var(--card);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  transition: border-color 0.3s, transform 0.3s;
}

.persona-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.persona-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-align: center;
}

.persona-card h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.3rem;
  color: var(--text);
}

.persona-card p {
  margin: 0 0 1rem 0;
  color: var(--accent);
  font-weight: 600;
}

.persona-card ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.persona-card li {
  margin-bottom: 0.5rem;
}

/* Technical Features */
.technical-features {
  padding: 4rem 0;
}

.technical-features h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.tech-feature {
  background: rgba(108, 240, 255, 0.03);
  padding: 1.5rem;
  border-radius: 0.8rem;
  border: 1px solid var(--border);
}

.tech-feature h4 {
  margin: 0 0 0.75rem 0;
  font-size: 1.1rem;
  color: var(--primary);
}

.tech-feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  padding: 3rem 0;
}

.features div {
  background: var(--card);
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.lead {
  background: var(--card);
  padding: 3rem;
  border-radius: 1.5rem;
  margin: 4rem auto;
  border: 1px solid var(--border);
  max-width: 700px;
}

.lead h2 {
  margin-top: 0;
  text-align: center;
  font-size: 2rem;
}

.lead > p {
  text-align: center;
  color: var(--muted);
  margin-bottom: 2rem;
}

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

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

label {
  display: flex;
  flex-direction: column;
  font-size: 0.95rem;
  color: var(--muted);
}

input, textarea, select {
  margin-top: 0.35rem;
  padding: 0.75rem;
  border-radius: 0.6rem;
  border: 1px solid var(--border);
  background: #111224;
  color: var(--text);
  transition: border-color 0.3s;
}

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

select option {
  background: #111224;
  color: var(--text);
}

button[type="submit"] {
  padding: 1rem;
  border: none;
  border-radius: 0.8rem;
  background: linear-gradient(120deg, var(--accent), var(--primary));
  color: #05050a;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(255, 140, 66, 0.4);
}

.checkbox {
  flex-direction: row;
  align-items: center;
  gap: 0.6rem;
}

.checkbox input {
  width: auto;
  margin-top: 0;
}

.form-status {
  min-height: 1.2rem;
  font-size: 0.9rem;
  text-align: center;
}

@media (max-width: 768px) {
  .cta-group {
    flex-direction: column;
  }
  
  .demo-controls {
    flex-direction: column;
  }
  
  .demo-controls select {
    width: 100%;
  }
  
  .api-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .personas-grid {
    grid-template-columns: 1fr;
  }
  
  .tech-grid {
    grid-template-columns: 1fr;
  }
  
  .lead {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 3rem 0 2rem;
  }

  .platform-overview h2,
  .demo-section h2,
  .personas-section h2,
  .technical-features h2 {
    font-size: 1.8rem;
  }
}

/* ── Healthcare Proof Point ───────────────────────────── */
.proof-point {
  background: linear-gradient(180deg, rgba(108,240,255,0.04) 0%, transparent 100%);
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.proof-headline {
  text-align: center;
  margin-bottom: 2.5rem;
}

.proof-headline h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.proof-sub {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 700px;
  margin: 0 auto;
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.compliance-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}

.compliance-card.healthcare {
  border-color: rgba(108, 240, 255, 0.3);
  background: rgba(108, 240, 255, 0.04);
}

.compliance-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.compliance-card h3 {
  font-size: 1rem;
  margin: 0 0 0.75rem;
  color: var(--text);
}

.compliance-card ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.compliance-bridge {
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  color: var(--primary);
  font-style: italic;
}

.proof-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 650px;
  margin: 0 auto;
}

/* ── Day in the Life Timeline ─────────────────────────── */
.day-in-life {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

.day-in-life h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 0.5rem;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 2.5rem;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 80px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), rgba(108,240,255,0.1));
}

.timeline-item {
  display: flex;
  gap: 2rem;
  padding: 1.5rem 0;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 74px;
  top: 2rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg);
  z-index: 1;
}

.timeline-time {
  flex-shrink: 0;
  width: 70px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  padding-top: 0.2rem;
  text-align: right;
}

.timeline-content {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-left: 1rem;
}

.timeline-persona {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-headline {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.timeline-detail {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.65;
}

/* ── Technology Stack Block ───────────────────────────── */
.tech-stack-section {
  padding: 4rem 0;
  background: rgba(255,255,255,0.01);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.tech-stack-section h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 0.5rem;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.stack-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  text-align: center;
}

.stack-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.stack-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.stack-item p {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0;
  line-height: 1.5;
}

.muted {
  color: var(--muted);
}

/* ── ROI Section ───────────────────────────────────────── */
.roi-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, rgba(108, 240, 255, 0.04) 0%, rgba(255, 140, 66, 0.04) 100%);
  border-top: 1px solid var(--border);
}

.roi-section h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 0.5rem;
}

.roi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.roi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
}

.roi-card.roi-highlight {
  border-color: var(--primary);
  background: rgba(108, 240, 255, 0.06);
}

.roi-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.roi-card.roi-highlight .roi-number {
  color: var(--accent);
}

.roi-label {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 600;
  line-height: 1.4;
}

.roi-sub {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 400;
  margin-top: 0.4rem;
  line-height: 1.5;
}

.roi-footnote {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 2rem;
  font-style: italic;
}

/* ── Footer ────────────────────────────────────────────── */
.site-footer {
  background: rgba(0, 0, 0, 0.4);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  margin-top: 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}

.footer-brand strong {
  font-size: 1rem;
  color: var(--text);
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0.25rem 0 0;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-copy {
  color: var(--muted);
  font-size: 0.75rem;
  text-align: right;
  line-height: 1.5;
}

/* Pricing Section */
.pricing-section {
  padding: 5rem 0;
  background: linear-gradient(180deg, transparent 0%, rgba(108, 240, 255, 0.03) 50%, transparent 100%);
}

.pricing-section h2 {
  text-align: center;
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  align-items: start;
}

.pricing-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 1rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}

.pricing-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(108, 240, 255, 0.06) 0%, var(--card) 40%);
  transform: scale(1.03);
  z-index: 1;
}

.pricing-card.featured:hover {
  transform: scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--bg);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pricing-tier {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.pricing-price {
  margin-bottom: 0.75rem;
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text);
}

.price-period {
  font-size: 0.9rem;
  color: var(--muted);
  margin-left: 0.25rem;
}

.pricing-description {
  color: var(--muted);
  font-size: 0.875rem;
  margin: 0 0 1.5rem;
  line-height: 1.5;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  flex: 1;
}

.pricing-features li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.875rem;
  color: var(--text);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.pricing-cta {
  display: block;
  text-align: center;
  padding: 0.875rem 1.5rem;
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-cta:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.pricing-cta.primary {
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
}

.pricing-cta.primary:hover {
  background: #8cf5ff;
}

.pricing-footnote {
  text-align: center;
  color: var(--muted);
  font-size: 0.8125rem;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-copy {
    text-align: center;
  }
  .roi-grid {
    grid-template-columns: 1fr 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 480px) {
  .roi-grid {
    grid-template-columns: 1fr;
  }
}