@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --primary-orange: #FF5C00;
  --bg-main: #FFFFFF;
  --bg-sub: #F7F7F7;
  --text-main: #000000;
  --text-sub: #555555;
  --border: #EEEEEE;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --container-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  height: 80px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  z-index: 1000;
}

.nav-logo {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -1px;
}

.nav-tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary-orange);
  text-transform: uppercase;
}

/* Layout Components */
section {
  padding: 120px 0;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary-orange);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
  display: block;
}

h1,
h2,
h3,
h4 {
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -2px;
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  margin-bottom: 2rem;
}

h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 2rem;
}

h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

/* Hero */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 5vh;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
}

.hero-image {
  width: 100%;
  aspect-ratio: 4/5;
  background: var(--bg-sub);
  overflow: hidden;
  position: relative;
  border-radius: 4px;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Feature Grid */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.feature-block.reverse {
  direction: rtl;
}

.feature-block.reverse>* {
  direction: ltr;
}

.feature-visual {
  width: 100%;
  height: 600px;
  background: var(--bg-sub);
  border-radius: 4px;
  overflow: hidden;
}

.feature-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Content Details */
.clinical-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
}

.data-card {
  background: var(--bg-sub);
  padding: 4rem;
  border-radius: 4px;
}

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

.data-item {
  border-bottom: 1px solid #DDD;
  padding-bottom: 1.5rem;
}

.data-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-sub);
  margin-bottom: 0.5rem;
  display: block;
}

.data-value {
  font-size: 2.5rem;
  font-weight: 800;
}

/* Testimonials */
.reviews-section {
  background-color: var(--bg-sub);
}

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

.review-card {
  background: white;
  padding: 3rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.review-text {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  color: var(--text-sub);
}

.review-author {
  font-weight: 700;
}

.review-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary-orange);
  text-transform: uppercase;
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 6rem;
}

.faq-item {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
  border: none;
}

.faq-q {
  font-weight: 800;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.faq-a {
  color: var(--text-sub);
}

/* CTA */
.cta-section {
  background: var(--text-main);
  color: white;
  text-align: center;
  padding: 160px 0;
}

.btn-primary {
  display: inline-block;
  background: var(--primary-orange);
  color: white;
  text-decoration: none;
  padding: 1.5rem 4rem;
  font-weight: 800;
  font-size: 1.5rem;
  border-radius: 4px;
  margin-top: 3rem;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-5px);
  background: #FF752B;
}

/* Footer */
footer {
  padding: 100px 0;
  background: var(--bg-main);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
}

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

.footer-links li {
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-bottom {
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-sub);
}

/* Utilities */
.text-orange {
  color: var(--primary-orange);
}

@media (max-width: 1024px) {

  .hero-grid,
  .feature-block,
  .clinical-grid,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

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

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .data-card-grid {
    grid-template-columns: 1fr;
  }
}