/* ============ HERO ============ */
.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 10vw, var(--space-24)) clamp(var(--space-16), 8vw, var(--space-20));
  overflow: hidden;
}
.hero-waveform {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-20));
  align-items: center;
}
.hero-title {
  font-size: var(--text-hero);
  margin-top: var(--space-5);
  letter-spacing: -0.015em;
}
.hero-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46ch;
  margin-top: var(--space-6);
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-10);
}
.hero-waitlist {
  font-size: var(--text-sm);
  margin-top: var(--space-6);
  color: var(--color-text-faint);
}
.hero-waitlist a {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 3px;
}
.hero-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}
.hero-visual img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}
.hero-visual-caption {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: #fff;
  background: oklch(0.1 0 0 / 0.55);
  backdrop-filter: blur(6px);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}

/* ============ TRUST STRIP ============ */
.trust-strip {
  border-block: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.trust-strip-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.trust-strip-label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
  white-space: nowrap;
}
.trust-items {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.trust-items .dot {
  color: var(--color-text-faint);
}

/* ============ DIFFERENTIATORS ============ */
.diff-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-6);
}
.diff-feature {
  grid-row: span 2;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.diff-feature-visual {
  color: var(--color-text-faint);
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.diff-feature-visual svg {
  width: 100%;
  height: auto;
}
.diff-feature h3 {
  font-size: var(--text-lg);
}
.diff-feature p {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
}
.diff-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.diff-card-icon {
  color: var(--color-primary);
  width: 28px;
  height: 28px;
  margin-bottom: var(--space-5);
}
.diff-card-icon svg {
  width: 100%;
  height: 100%;
}
.diff-card h3 {
  font-size: var(--text-base);
  font-family: var(--font-body);
  font-weight: 700;
}
.diff-card p {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
}

/* ============ SCIENCE PREVIEW ============ */
.science-preview {
  background: var(--color-surface);
  border-block: 1px solid var(--color-divider);
}
.science-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
  position: relative;
}
.science-visual img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  max-height: 520px;
  width: 100%;
  object-fit: cover;
}
.science-copy h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-4);
}
.science-copy > p {
  margin-top: var(--space-5);
}
.citation-list {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-left: var(--space-5);
  border-left: 1px solid var(--color-border);
}
.citation-list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  list-style: none;
}
.citation-list .mono {
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}
.science-copy .btn {
  margin-top: var(--space-8);
}

/* ============ DISTRIBUTOR BAND ============ */
.distributor-band {
  background: linear-gradient(160deg, var(--color-surface-offset), var(--color-surface));
  border-block: 1px solid var(--color-divider);
}
.distributor-band-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
.distributor-band-inner h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-3);
}
.distributor-band-inner p {
  margin-top: var(--space-4);
  max-width: 56ch;
}
.distributor-band-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

/* ============ COMPLIANCE ============ */
.compliance-strip {
  text-align: left;
}
.compliance-label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
}
.compliance-badges {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}
.compliance-note {
  margin-top: var(--space-5);
  font-size: var(--text-xs);
  max-width: 70ch;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .hero-grid,
  .science-grid,
  .distributor-band-inner {
    grid-template-columns: 1fr;
  }
  .science-visual {
    order: -1;
  }
  .diff-grid {
    grid-template-columns: 1fr 1fr;
  }
  .diff-feature {
    grid-column: span 2;
    grid-row: auto;
  }
}
@media (max-width: 640px) {
  .diff-grid {
    grid-template-columns: 1fr;
  }
  .diff-feature {
    grid-column: auto;
  }
  .hero-title {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }
  .distributor-band-cta {
    align-items: stretch;
  }
}