/* ═══════════════════════════════════════
   science.css — Science & Proof page styles
═══════════════════════════════════════ */

/* ── Hero ── */
.sci-hero {
  background: var(--grad-dark);
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}
.sci-hero-bg { position: absolute; inset: 0; pointer-events: none; }
.sci-hero-content { position: relative; z-index: 1; max-width: 800px; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.18s;
  margin-bottom: 8px;
}
.back-link:hover { color: rgba(255,255,255,0.9); }

.sci-hero-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 40px;
  justify-content: center;
}
.sci-stat-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  background: rgba(0,122,255,0.12);
  border: 1px solid rgba(0,122,255,0.3);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  flex: 1;
  min-width: 160px;
  max-width: 220px;
}
.sci-stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.sci-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ── Lab Intro ── */
.sci-lab-intro { background: var(--white); }

.lab-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.lab-cert-row { margin-top: 28px; }
.lab-cert-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--pale-blue);
  border: 1px solid rgba(0,122,255,0.2);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}
.cert-icon { font-size: 1.8rem; }
.lab-cert-badge strong {
  display: block;
  font-size: 0.95rem;
  color: var(--dark);
  margin-bottom: 4px;
}
.lab-cert-badge span {
  font-size: 0.78rem;
  color: var(--gray-500);
}

.lab-reports-stack {
  position: relative;
  height: 360px;
}

.report-cover-card {
  position: absolute;
  width: 260px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  top: 0; left: 20px;
}
.report-cover-card--offset {
  top: 60px;
  left: 180px;
  z-index: 2;
  box-shadow: 0 24px 60px rgba(0,0,0,0.18);
}
.report-cover-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: top;
  display: block;
}
.report-cover-label {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.report-year {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
}
.report-title-text {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.4;
}
.report-title-text small {
  display: block;
  color: var(--gray-500);
  font-weight: 400;
  font-size: 0.72rem;
  margin-top: 3px;
}

/* ── Mechanism ── */
.sci-mechanism { background: var(--off-white); }

.mechanism-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
  margin-bottom: 64px;
}

.mech-step {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow 0.2s, transform 0.2s;
  height: 100%;
}
.mech-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.mech-step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--grad-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.mech-step-icon { width: 36px; height: 36px; color: var(--blue); display: flex; align-items: center; justify-content: center; }
.mech-step-icon svg { width: 100%; height: 100%; }
.mech-step h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
}
.mech-step p { font-size: 0.82rem; color: var(--gray-700); line-height: 1.65; }

.mech-arrow {
  color: var(--blue);
  padding: 0 12px;
  padding-top: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  opacity: 0.4;
}

.fto-vs-trad {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
}

.fto-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.fto-card--new {
  background: rgba(0,122,255,0.04);
  border-color: rgba(0,122,255,0.25);
}

.fto-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}
.fto-label.old {
  background: var(--gray-50);
  color: var(--gray-500);
  border: 1px solid var(--gray-100);
}
.fto-label.new {
  background: rgba(0,122,255,0.1);
  color: var(--blue);
  border: 1px solid rgba(0,122,255,0.25);
}

.fto-card p { font-size: 0.9rem; color: var(--gray-700); line-height: 1.7; margin-bottom: 16px; }

.fto-verdict {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}
.fto-verdict--fail { background: #fef2f2; color: #ef4444; }
.fto-verdict--pass { background: rgba(0,122,255,0.08); color: var(--blue); }

.fto-vs-badge {
  width: 60px;
  height: 60px;
  background: var(--dark);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-align: center;
  line-height: 1.2;
  flex-shrink: 0;
}

/* ── Test Sections ── */
.sci-test { background: var(--white); }
.sci-test--dark { background: var(--dark); }
.sci-test--dark .section-label { color: var(--cyan); }

.test-header { margin-bottom: 40px; }

.test-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}
.test-tag--blue { background: rgba(0,122,255,0.1); color: var(--blue); border: 1px solid rgba(0,122,255,0.25); }
.test-tag--cyan { background: rgba(0,198,255,0.12); color: var(--cyan); border: 1px solid rgba(0,198,255,0.3); }

.test-method-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 40px;
  padding: 24px;
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
}
.test-method-row--dark {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.08);
}

.test-method-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.method-icon { width: 28px; height: 28px; color: var(--primary, #3b82f6); display: inline-flex; align-items: center; justify-content: center; }
.method-icon svg { width: 100%; height: 100%; }
.test-method-item strong { font-size: 0.78rem; color: var(--gray-500); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.test-method-item span { font-size: 0.9rem; color: var(--dark); font-weight: 500; }
.test-method-row--dark .test-method-item strong { color: rgba(255,255,255,0.4); }
.test-method-row--dark .test-method-item span { color: rgba(255,255,255,0.85); }

.test-results-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  margin-bottom: 56px;
}

.result-card {
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.result-card--control {
  background: #fef2f2;
  border: 1px solid #fecaca;
}
.result-card--treated {
  background: rgba(0,122,255,0.05);
  border: 1px solid rgba(0,122,255,0.25);
}

.result-card-header { margin-bottom: 6px; }
.result-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}
.result-tag--control { background: #fee2e2; color: #dc2626; }
.result-tag--treated { background: rgba(0,122,255,0.1); color: var(--blue); }

.result-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
}
.result-number--bad { color: #dc2626; }
.result-number--good { color: var(--blue); }

.result-unit { font-size: 0.78rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.06em; }
.result-note { font-size: 0.88rem; color: var(--gray-700); line-height: 1.65; margin-top: 8px; }

.result-vs {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--gray-300);
  letter-spacing: 0.1em;
}

/* Petri comparison */
.petri-comparison { margin-bottom: 48px; }
.petri-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}
.petri-subtitle { font-size: 0.9rem; color: var(--gray-500); margin-bottom: 24px; }

.petri-image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  position: relative;
  background: #f8f8f8;
}
.petri-image-wrap--dark {
  border-color: rgba(255,255,255,0.1);
}
.petri-img {
  width: 100%;
  display: block;
  max-height: 600px;
  object-fit: contain;
}
.petri-annotations {
  display: flex;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--off-white);
  border-top: 1px solid var(--gray-100);
}
.petri-annotation {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
}
.annotation-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.annotation-dot--bad { background: #dc2626; }
.annotation-dot--good { background: var(--blue); }

.result-highlight {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--pale-blue);
  border: 1px solid rgba(0,122,255,0.2);
  border-radius: var(--radius-lg);
  padding: 28px 36px;
  margin-top: 20px;
}
.result-highlight--dark {
  background: rgba(0,122,255,0.1);
  border-color: rgba(0,122,255,0.3);
}
.rh-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  white-space: nowrap;
  flex-shrink: 0;
}
.rh-label {
  font-size: 1rem;
  color: var(--dark);
  font-weight: 500;
  line-height: 1.5;
}
.result-highlight--dark .rh-label { color: rgba(255,255,255,0.85); }

.lab-setup-photos { border-radius: var(--radius-lg); overflow: hidden; }
.lab-photo { width: 100%; display: block; max-height: 480px; object-fit: contain; background: #f4f4f4; border: 1px solid var(--gray-100); border-radius: var(--radius-lg); }

/* Mold Table */
.mold-results-table-wrap { margin-bottom: 56px; }
.table-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}
.mold-table {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
}
.mold-table-header, .mold-table-row {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1.5fr 1.2fr;
}
.mold-table-header {
  background: rgba(0,122,255,0.2);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mold-table-row {
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.15s;
}
.mold-table-row:last-child { border-bottom: none; }
.mold-table-row:hover { background: rgba(255,255,255,0.07); }

.mt-cell {
  padding: 16px 20px;
  font-size: 0.88rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}
.mold-table-header .mt-cell {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.55);
}
.mt-cell--label strong { color: rgba(255,255,255,0.9); font-size: 0.95rem; }
.species-latin { font-size: 0.75rem; color: rgba(255,255,255,0.4); }
.bad-num { color: #f87171; font-weight: 700; font-family: 'Space Grotesk', sans-serif; font-size: 1rem; }
.good-num { color: var(--cyan); font-weight: 800; font-family: 'Space Grotesk', sans-serif; font-size: 1.3rem; }

.result-pill {
  display: inline-flex;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.result-pill.pass { background: rgba(0,122,255,0.15); color: var(--cyan); border: 1px solid rgba(0,122,255,0.3); }

.table-footnote { font-size: 0.78rem; color: rgba(255,255,255,0.35); margin-top: 12px; }

.mold-petri-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 16px 0;
}
.mold-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}
.mold-label-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.mold-label-dot--blue { background: var(--cyan); }

.report-image-display {
  margin-top: 48px;
  text-align: center;
}
.report-img {
  max-width: 700px;
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.1);
  display: inline-block;
}
.report-img-caption { font-size: 0.78rem; color: rgba(255,255,255,0.35); margin-top: 12px; }

/* ── Luminescence ── */
.sci-lumi { background: var(--off-white); }

.lumi-hero-header {
  padding: 80px 0 40px;
  background: var(--dark);
}
.lumi-hero-header .section-label { color: var(--cyan); }
.lumi-hero-header .section-title { color: var(--white); }
.lumi-hero-header .section-body { color: rgba(255,255,255,0.6); }
.lumi-hero-header strong { color: var(--cyan); }

.lumi-full-image {
  position: relative;
  background: var(--dark-2);
  border-top: 2px solid rgba(0,122,255,0.2);
  border-bottom: 2px solid rgba(0,122,255,0.2);
}
.lumi-full-image img {
  width: 100%;
  max-height: 700px;
  object-fit: contain;
  display: block;
  background: white;
}

.lumi-full-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px 40px;
  background: linear-gradient(to top, rgba(10,15,30,0.95) 0%, transparent 100%);
}

.lumi-overlay-labels {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.lumi-time-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
}
.lumi-time-badge--win {
  background: rgba(0,122,255,0.2);
  border-color: rgba(0,122,255,0.5);
}
.ltb-time {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
}
.ltb-desc {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}
.lumi-time-badge--win .ltb-desc { color: var(--cyan); }

.lumi-bottom { padding: 64px 0 96px; }

.lumi-bottom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.lumi-findings { display: flex; flex-direction: column; gap: 20px; }

.lumi-finding {
  display: flex;
  gap: 14px;
  padding: 24px 22px;
  background: var(--white);
  border: 1.5px solid var(--silver-light);
  border-radius: var(--radius-lg);
}
.lumi-finding--highlight {
  background: var(--pale-blue);
  border-color: rgba(0,122,255,0.25);
}
.lf-icon { width: 32px; height: 32px; flex-shrink: 0; margin-top: 2px; color: var(--primary, #3b82f6); }
.lf-icon svg { width: 100%; height: 100%; }
.lumi-finding strong { display: block; font-size: 0.95rem; color: var(--dark); margin-bottom: 8px; font-weight: 700; }
.lumi-finding p { font-size: 0.85rem; color: var(--gray-700); line-height: 1.65; }

.lumi-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.82rem;
  color: var(--gray-500);
  line-height: 1.5;
  padding: 14px 16px;
  background: var(--pale-blue);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0,122,255,0.15);
}

/* ── Application ── */
.sci-application { background: var(--white); }

.application-gallery {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 16px;
  margin-bottom: 48px;
}

.app-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}
.app-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.app-photo--main { min-height: 420px; }
.app-photo--secondary { min-height: 300px; }

.app-photo-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px 18px;
  background: linear-gradient(to top, rgba(10,15,30,0.85), transparent);
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  font-weight: 500;
}

.application-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.app-fact {
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: center;
}
.app-fact-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
}
.app-fact-label {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 500;
}

/* ── Safety ── */
.sci-safety { padding: 0; }
.sci-safety-inner {
  background: var(--dark);
  padding: 96px 0;
}
.sci-safety-inner .section-label { color: var(--cyan); }
.sci-safety-inner .section-title { color: var(--white); }
.sci-safety-inner .section-body { color: rgba(255,255,255,0.65); }

.safety-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.safety-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.safety-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.2s, border-color 0.2s;
}
.safety-card:hover {
  background: rgba(0,122,255,0.1);
  border-color: rgba(0,122,255,0.3);
}
.sc-icon { width: 36px; height: 36px; color: var(--primary, #3b82f6); margin-bottom: 8px; }
.sc-icon svg { width: 100%; height: 100%; }
.safety-card strong { font-size: 0.95rem; color: var(--white); }
.safety-card p { font-size: 0.82rem; color: rgba(255,255,255,0.55); line-height: 1.6; }

/* ── ATP Lumi Split Layout ── */
.lumi-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 80px 0;
}
.lumi-split-text {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.lumi-findings {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 16px;
}
.lumi-split-image {
  position: relative;
}
.lumi-split-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0,0,0,0.18);
  display: block;
}
.lumi-time-badges {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.lumi-time-badges .lumi-time-badge {
  flex: 1;
  min-width: 0;
  background: #f0f6ff;
  border: 1.5px solid rgba(0,122,255,0.25);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}
.lumi-time-badges .lumi-time-badge--win {
  background: #e6f0ff;
  border-color: var(--blue);
}
.lumi-time-badges .ltb-time {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  color: var(--blue);
}
.lumi-time-badges .ltb-desc {
  font-size: 0.72rem;
  font-weight: 500;
  color: #374151;
  line-height: 1.4;
}
.lumi-time-badges .lumi-time-badge--win .ltb-time {
  color: var(--blue);
}
.lumi-time-badges .lumi-time-badge--win .ltb-desc {
  color: var(--dark);
  font-weight: 600;
}
@media (max-width: 768px) {
  .lumi-split { grid-template-columns: 1fr; padding: 48px 0; gap: 32px; }
}

/* ── Results + Report Split Layout ── */
.results-report-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-top: 40px;
}
.results-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Report image viewer */
.report-viewer {
  background: var(--silver-shine);
  border: 1.5px solid var(--silver-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.report-viewer--dark {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.12);
}
.report-viewer-pages {
  position: relative;
  aspect-ratio: 3/4;
  background: #000;
}
.report-viewer-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: #111;
}
.report-viewer-img.active { opacity: 1; }
.report-viewer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-top: 1px solid rgba(0,0,0,0.08);
  background: white;
}
.report-viewer--dark .report-viewer-nav {
  background: rgba(255,255,255,0.05);
  border-top-color: rgba(255,255,255,0.1);
}
.rv-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1.5px solid var(--silver-light);
  background: white;
  color: var(--dark);
  cursor: pointer;
  transition: all 0.18s ease;
}
.rv-btn:hover {
  background: var(--blue);
  color: white;
  border-color: var(--blue);
}
.report-viewer--dark .rv-btn {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  color: white;
}
.rv-counter {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-500);
}
.report-viewer--dark .rv-counter { color: rgba(255,255,255,0.5); }
.report-viewer-labels {
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(0,0,0,0.06);
}
.rv-label {
  flex: 1;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 8px 4px;
  color: var(--gray-500);
  border-right: 1px solid rgba(0,0,0,0.06);
  cursor: pointer;
  transition: all 0.18s;
}
.rv-label:last-child { border-right: none; }
.rv-label.active {
  color: var(--blue);
  background: rgba(0,122,255,0.06);
  font-weight: 600;
}
.report-viewer--dark .rv-label { color: rgba(255,255,255,0.35); border-color: rgba(255,255,255,0.07); }
.report-viewer--dark .rv-label.active { color: var(--blue); background: rgba(0,122,255,0.15); }

@media (max-width: 768px) {
  .results-report-split { grid-template-columns: 1fr; }
}

/* ── CTA ── */
.sci-cta { background: var(--off-white); }
.sci-cta-box {
  background: var(--dark);
  border-radius: var(--radius-xl);
  padding: 72px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.sci-cta-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0,122,255,0.25) 0%, transparent 65%);
  pointer-events: none;
}
.sci-cta-content { position: relative; z-index: 1; }
.sci-cta-content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
}
.sci-cta-content p { font-size: 1.05rem; color: rgba(255,255,255,0.6); margin-bottom: 32px; }
.sci-cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.sci-cta-buttons .btn--ghost { border-color: rgba(255,255,255,0.3); color: rgba(255,255,255,0.75); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .lab-intro-grid,
  .fto-vs-trad,
  .lumi-bottom-grid,
  .safety-grid { grid-template-columns: 1fr; }

  .mechanism-steps {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .mech-arrow { display: none; }
  .mechanism-steps .mech-step { height: auto; }
  .fto-vs-badge { margin: 0 auto; }

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

  .lab-reports-stack { height: 280px; }
  .report-cover-card--offset { left: 140px; }

  .test-method-row { grid-template-columns: repeat(2, 1fr); }
  .test-results-grid { grid-template-columns: 1fr; }
  .result-vs { text-align: center; }

  .mold-table-header,
  .mold-table-row { grid-template-columns: 1.5fr 1.2fr 1fr 1.2fr; }

  .safety-grid { gap: 40px; }
}

@media (max-width: 768px) {
  .sci-cta-box { padding: 48px 24px; }
  .application-facts { grid-template-columns: repeat(2, 1fr); }
  .safety-cards { grid-template-columns: 1fr; }
  .mold-table-header { display: none; }
  .mold-table-row { grid-template-columns: 1fr 1fr; gap: 0; }
  .mt-cell--result { grid-column: 1 / -1; }
}