:root {
  --bg-main: #03050b;
  --bg-elevated: #090f1d;
  --bg-light: #f2f3f5;
  --ink: #0f1729;
  --text-main: #f6f7fb;
  --text-muted: #acb6cc;
  --accent: #35a5ff;
  --accent-soft: #7cc5ff;
  --line: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

body {
    color: var(--text-main);
    /*background: var(--bg-main);  
  font-family: "Manrope", "Segoe UI", sans-serif;
  line-height: 1.6;*/
}

.bgMain {
    background: var(--bg-main);
}

h1,
h2,
h3,
h4,
.brand-mark {
  font-family: "Sora", "Segoe UI", sans-serif;
  letter-spacing: -0.01em;
}

.hero-wrap {
  min-height: 88vh;
  position: relative;
  border-bottom: 1px solid var(--line);
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 25% 35%, rgba(54, 169, 255, 0.28), transparent 42%),
    linear-gradient(120deg, rgba(2, 5, 11, 0.93) 20%, rgba(3, 7, 18, 0.88) 55%, rgba(3, 7, 16, 0.66) 100%);
}

.nav-shell {
  position: relative;
  z-index: 3;
}

.navbar-toggler {
  filter: invert(1);
}

.nav-shell .nav-link,
.brand-mark {
  color: #f3f7ff;
}

.nav-shell .nav-link:hover,
.brand-mark:hover {
  color: var(--accent-soft);
}

.brand-mark {
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding: 6rem 0 5.5rem;
}

.product-logo-wrap {
    display: inline-block;
    margin-bottom: 1rem;
    position: relative;
    border-radius: 18px;
    padding: 0.156rem;
    background: linear-gradient(135deg, rgba(125, 190, 255, 0.55), rgba(75, 134, 255, 0.15));
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.38), 0 0 28px rgba(67, 156, 255, 0.24);
    animation: logo-float 5.8s ease-in-out infinite;
    transition: transform 240ms ease, box-shadow 260ms ease;
}

.product-logo-wrap::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 18px;
  border: 1px solid rgba(169, 215, 255, 0.52);
  pointer-events: none;
}

.product-logo-wrap::after {
  content: "";
  position: absolute;
  inset: -12px;
  border-radius: 24px;
  background: radial-gradient(circle, rgba(87, 173, 255, 0.38), transparent 65%);
  filter: blur(8px);
  z-index: -1;
  animation: logo-pulse 3.4s ease-in-out infinite;
}

.product-logo-wrap:hover {
  transform: translateY(-4px) scale(1.015);
  box-shadow:
    0 22px 44px rgba(0, 0, 0, 0.42),
    0 0 34px rgba(92, 176, 255, 0.34);
}

.product-logo {
  display: block;
  width: clamp(180px, 30vw, 290px);
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(194, 228, 255, 0.4);
  filter: saturate(1.06) contrast(1.05) drop-shadow(0 8px 20px rgba(0, 0, 0, 0.35));
}

@keyframes logo-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes logo-pulse {
  0%,
  100% {
    opacity: 0.48;
    transform: scale(0.98);
  }
  50% {
    opacity: 0.88;
    transform: scale(1.04);
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-logo-wrap,
  .product-logo-wrap::after {
    animation: none;
  }
}

.eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  color: var(--accent-soft);
  font-weight: 700;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1.08;
  margin-bottom: 1rem;
}

.hero-copy {
  max-width: 58ch;
  color: #ced7ea;
  font-size: 1.06rem;
}

.btn-glow {
  background: linear-gradient(135deg, #2d8de2, #64bdff);
  border: 0;
  color: #051127;
  font-weight: 700;
}

.btn-glow:hover {
  background: linear-gradient(135deg, #5bb8ff, #95d4ff);
  color: #041125;
}

.section-dark,
.section-light,
.section-story,
.section-cta {
  padding: 5.4rem 0;
}

.section-intro {
  background: linear-gradient(180deg, #02050b, #081022 72%, #060c1b);
}

.section-dark h2,
.section-dark p,
.section-story h2,
.section-story p {
  color: var(--text-main);
}

.section-dark p {
  color: var(--text-muted);
}

.section-light {
  background: var(--bg-light);
}

.section-light h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.stat-grid article {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  background: rgba(10, 17, 31, 0.58);
}

.stat-grid h3 {
  margin: 0;
  font-size: 1.05rem;
  color: #dce8ff;
}

.stat-grid p {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
}

.feature-stack article + article {
  margin-top: 1.6rem;
}

.feature-stack h3 {
  font-size: 1.08rem;
  margin-bottom: 0.35rem;
}

.feature-stack p {
  color: #4b556b;
  margin: 0;
}

.split-image {
  width: 100%;
  border-radius: 16px;
  object-fit: cover;
  min-height: 330px;
  box-shadow: 0 24px 42px rgba(4, 11, 24, 0.22);
}

.section-lab {
  background:
    radial-gradient(circle at 18% 42%, rgba(71, 127, 255, 0.24), transparent 35%),
    radial-gradient(circle at 70% 15%, rgba(104, 187, 255, 0.13), transparent 40%),
    #05070d;
}

.orb-image {
  width: min(360px, 88%);
  filter: drop-shadow(0 0 34px rgba(79, 133, 255, 0.45));
}

blockquote {
  margin: 1.25rem 0 0;
  font-size: 1.08rem;
  color: #1b273a;
  border-left: 3px solid #2d8de2;
  padding-left: 1rem;
}

.quote-by {
  margin-top: 1rem;
  color: #66748f;
  font-size: 0.95rem;
}

.section-story {
  background:
    radial-gradient(circle at 70% 40%, rgba(237, 144, 151, 0.3), transparent 42%),
    radial-gradient(circle at 18% 60%, rgba(63, 110, 255, 0.18), transparent 38%),
    linear-gradient(120deg, #06070d 18%, #1d1a22 58%, #2d2d34 100%);
}

.story-lead {
  color: #c4cedf;
  font-size: 1.04rem;
  line-height: 1.7;
}

.story-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
}

.story-bullets li {
  color: #b8c8e0;
  font-size: 0.97rem;
  padding: 0.52rem 0 0.52rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  position: relative;
}

.story-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(53, 165, 255, 0.7);
}

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

.biomarker-card {
  background: rgba(11, 20, 38, 0.72);
  border: 1px solid rgba(97, 160, 255, 0.22);
  border-radius: 16px;
  padding: 1.4rem 1.2rem;
  position: relative;
  overflow: hidden;
  transition: transform 240ms ease, box-shadow 260ms ease;
}

.biomarker-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: radial-gradient(circle at 30% 20%, rgba(87, 173, 255, 0.12), transparent 60%);
  pointer-events: none;
}

.biomarker-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.32), 0 0 20px rgba(87, 173, 255, 0.2);
}

.bm-icon {
  display: block;
  font-size: 0.7rem;
  color: var(--accent);
  margin-bottom: 0.6rem;
  text-shadow: 0 0 8px rgba(53, 165, 255, 0.8);
}

.biomarker-card h3 {
  font-family: "Sora", sans-serif;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  line-height: 1;
  margin: 0 0 0.45rem;
  background: linear-gradient(120deg, #9ed8ff, #d8f0ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.biomarker-card p {
  font-size: 0.84rem;
  color: #8da4c2;
  margin: 0;
  line-height: 1.45;
}

@media (max-width: 575px) {
  .biomarker-grid {
    grid-template-columns: 1fr;
  }
}

/* FAQ Section */
.section-faq {
  background:
    radial-gradient(circle at 80% 20%, rgba(53, 165, 255, 0.1), transparent 40%),
    #05080f;
  padding: 5.4rem 0;
}

.faq-intro {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 52ch;
  margin: 0 auto;
}

.faq-accordion {
  margin-top: 0;
}

.faq-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.faq-item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.faq-btn {
  background: transparent;
  color: #dce8ff;
  font-family: "Manrope", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  padding: 1.25rem 0.25rem;
  box-shadow: none !important;
  transition: color 200ms ease;
}

.faq-btn:not(.collapsed) {
  color: var(--accent-soft);
  background: transparent;
}

.faq-btn:hover {
  color: #fff;
}

.faq-btn::after {
  filter: invert(1) brightness(1.4);
  flex-shrink: 0;
}

.faq-body {
  color: #8fa5c2;
  font-size: 0.97rem;
  line-height: 1.75;
  padding: 0 0.25rem 1.25rem;
}

@media (max-width: 767px) {
  .section-faq {
    padding: 4rem 0;
  }

  .faq-btn {
    font-size: 0.95rem;
  }
}

.text-link {
  color: #9ed3ff;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 700;
  font-size: 0.8rem;
}

.text-link:hover {
  color: #d4edff;
}

.section-cta {
  background: #020307;
}

.cta-panel {
  background-image: linear-gradient(120deg, rgba(7, 22, 45, 0.84), rgba(8, 26, 56, 0.68));
  background-position: center;
  background-size: cover;
  border-radius: 20px;
  padding: 3rem;
  border: 1px solid rgba(131, 170, 213, 0.28);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.cta-panel p {
  margin: 0.75rem 0 0;
  color: #c6d3e8;
}

.site-footer {
  background: #02040a;
  color: #d6e3fa;
  padding: 3.8rem 0 1.6rem;
  border-top: 1px solid var(--line);
}

.site-footer h3 {
  font-size: 1.24rem;
  margin-bottom: 0.65rem;
}

.site-footer h4 {
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #88a5cf;
  margin-bottom: 0.9rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li + li {
  margin-top: 0.45rem;
}

.site-footer a {
  color: #d6e3fa;
  text-decoration: none;
}

.site-footer a:hover {
  color: #8dd2ff;
}

.footer-bar {
  margin-top: 2.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 991px) {
  .hero-wrap {
    min-height: 74vh;
  }

  .hero-content {
    padding-top: 4.5rem;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 767px) {
  .section-dark,
  .section-light,
  .section-story,
  .section-cta {
    padding: 4rem 0;
  }

  .hero-copy {
    font-size: 1rem;
  }

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

  .cta-panel {
    padding: 2rem;
  }
}