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

/* ─── DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  --navy:         #060c18;
  --navy-surface: #0a1526;
  --navy-raised:  #0f1e35;
  --navy-card:    #132340;
  --navy-hover:   #172a4c;
  --navy-border:  #1e3251;
  --teal:         #00bcd4;
  --teal-bright:  #29d6e8;
  --teal-dim:     rgba(0,188,212,0.10);
  --teal-border:  rgba(0,188,212,0.22);
  --teal-glow:    rgba(0,188,212,0.06);
  --gold:         #c8a84b;
  --gold-dim:     rgba(200,168,75,0.12);
  --text:         #dce8f4;
  --text-muted:   #6b8aaa;
  --text-dim:     #3f5a72;
  --border:       rgba(255,255,255,0.06);
  --white:        #f0f6fc;
  --success:      #22c55e;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--navy);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── NAVIGATION ─────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(6,12,24,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--navy-border);
}

nav::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal-border), transparent);
  opacity: 0.6;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  letter-spacing: -0.01em;
}

.nav-logo-icon {
  width: 28px;
  height: 28px;
  background: var(--teal);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--navy);
  flex-shrink: 0;
}

/* Legacy dot support */
.nav-logo-dot {
  width: 8px;
  height: 8px;
  background: var(--teal);
  border-radius: 50%;
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.2s;
  letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-cta {
  background: transparent;
  border: 1px solid var(--teal-border);
  color: var(--teal);
  padding: 0.45rem 1.1rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  letter-spacing: 0.02em;
}

.nav-cta:hover {
  background: var(--teal-dim);
  border-color: var(--teal);
  color: var(--teal-bright);
}

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); transition: all 0.3s; }

/* ─── HERO ───────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  padding: 7rem 2rem 5rem;
  position: relative;
  overflow: hidden;
  background: var(--navy-surface);
  display: flex;
  align-items: center;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0,188,212,0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, rgba(0,188,212,0.05) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 60%, rgba(10,21,38,0.8) 0%, transparent 60%),
    linear-gradient(180deg, transparent 60%, var(--navy) 100%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1160px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* Hero Left */
.hero-left { display: flex; flex-direction: column; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--teal-dim);
  border: 1px solid var(--teal-border);
  color: var(--teal);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
  width: fit-content;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--teal);
  border-radius: 50%;
  display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.6rem, 4.5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--teal);
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 500px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 0.875rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

/* Hero Certifications */
.hero-certifications {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--navy-raised);
  border: 1px solid var(--navy-border);
  border-radius: 8px;
  flex-wrap: wrap;
}

.cert-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.cert-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--teal-dim);
  border: 1px solid var(--teal-border);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 700;
  flex-shrink: 0;
}

.cert-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
  white-space: nowrap;
}

.cert-sub {
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.cert-divider {
  width: 1px;
  height: 28px;
  background: var(--navy-border);
  flex-shrink: 0;
}

/* Hero Right – Lab Panel */
.hero-right { display: flex; justify-content: flex-end; }

.lab-panel {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: 12px;
  overflow: hidden;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,188,212,0.08);
}

.lab-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  background: var(--navy-raised);
  border-bottom: 1px solid var(--navy-border);
}

.lab-panel-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--success);
  border-radius: 50%;
  display: inline-block;
}

.status-dot.pulse {
  box-shadow: 0 0 0 0 rgba(34,197,94,0.4);
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
  70%  { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

.lab-panel-time {
  font-size: 0.68rem;
  color: var(--success);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.25);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}

.lab-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--navy-border);
}

.lab-metric {
  padding: 1.1rem 0.75rem;
  text-align: center;
  border-right: 1px solid var(--navy-border);
}

.lab-metric:last-child { border-right: none; }

.metric-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.metric-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
}

.metric-unit {
  font-size: 0.72rem;
  color: var(--teal);
  font-weight: 600;
}

.lab-products-preview {
  padding: 1rem 1.25rem;
}

.preview-label {
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.preview-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(30,50,81,0.7);
}

.preview-item:last-child { border-bottom: none; }

.preview-dot {
  width: 5px;
  height: 5px;
  background: var(--teal);
  border-radius: 50%;
  flex-shrink: 0;
}

.preview-name {
  flex: 1;
  font-size: 0.78rem;
  color: var(--text);
  font-weight: 500;
}

.preview-status {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.18rem 0.5rem;
  border-radius: 100px;
}

.status-active {
  color: var(--success);
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
}

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn-primary {
  background: var(--teal);
  color: var(--navy);
  padding: 0.8rem 1.75rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  background: var(--teal-bright);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,188,212,0.25);
}

.btn-outline {
  border: 1px solid var(--navy-border);
  color: var(--text-muted);
  padding: 0.8rem 1.75rem;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
}

.btn-outline:hover {
  border-color: var(--teal-border);
  color: var(--teal);
  background: var(--teal-dim);
}

.btn-lg { padding: 1rem 2.25rem; font-size: 0.9rem; }

/* ─── SECTION SHARED ──────────────────────────────────────────── */
.section-inner { max-width: 1160px; margin: 0 auto; }

.section-eyebrow {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--teal);
  flex-shrink: 0;
}

/* Legacy label support */
.section-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--teal);
  flex-shrink: 0;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.75rem, 2.8vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  line-height: 1.15;
  color: var(--white);
}

.section-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 3rem;
}

/* ─── PRODUCTS ────────────────────────────────────────────────── */
.products-section {
  padding: 7rem 2rem;
  background: var(--navy);
}

.products-section .section-inner > .section-eyebrow,
.products-section .section-inner > .section-label {
  margin-bottom: 0.5rem;
}

.products-section .section-inner > .section-title {
  margin-bottom: 0.75rem;
}

.products-section .section-inner > .section-sub {
  margin-bottom: 3rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--navy-border);
  border: 1px solid var(--navy-border);
  border-radius: 10px;
  overflow: hidden;
}

.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.55s ease, transform 0.55s ease; }
.fade-in.visible { opacity: 1; transform: none; }

.product-card {
  background: var(--navy-raised);
  padding: 2.25rem 2rem;
  transition: background 0.2s;
  text-decoration: none;
  color: var(--text);
  display: block;
  position: relative;
  cursor: default;
}

.product-card:hover { background: var(--navy-card); }

.product-card--featured {
  cursor: pointer;
  background: var(--navy-card);
}

.product-card--featured:hover { background: var(--navy-hover); }

.product-card--featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
}

.product-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.product-tag {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.product-tag::before {
  content: '';
  display: block;
  width: 12px;
  height: 1px;
  background: var(--teal);
}

.product-tag--featured { color: var(--gold); }
.product-tag--featured::before { background: var(--gold); }

.product-icon {
  color: var(--text-dim);
  flex-shrink: 0;
  margin-top: -2px;
}

.product-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: var(--white);
  line-height: 1.25;
}

.product-desc {
  color: var(--text-muted);
  font-size: 0.84rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.product-specs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.spec {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  background: rgba(6,12,24,0.5);
  border: 1px solid var(--navy-border);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.product-link {
  font-size: 0.78rem;
  color: var(--teal);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  white-space: nowrap;
  transition: gap 0.2s;
}

.product-card:hover .product-link { gap: 0.5rem; }

/* ─── ABOUT ───────────────────────────────────────────────────── */
.about-section {
  padding: 7rem 2rem;
  background: var(--navy-surface);
  border-top: 1px solid var(--navy-border);
  border-bottom: 1px solid var(--navy-border);
}

/* Legacy about-strip */
.about-strip {
  padding: 7rem 2rem;
  background: var(--navy-surface);
  border-top: 1px solid var(--navy-border);
  border-bottom: 1px solid var(--navy-border);
}

.about-grid,
.about-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-grid p,
.about-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 1.1rem;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--navy-border);
}

.about-feature:first-child { padding-top: 0; }
.about-feature:last-child { border-bottom: none; padding-bottom: 0; }

/* Legacy dot style */
.about-feature-dot {
  width: 6px;
  height: 6px;
  background: var(--teal);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}

.about-feature-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.06em;
  padding-top: 3px;
  flex-shrink: 0;
  width: 24px;
}

.about-feature-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--white);
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.about-feature-desc {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

/* ─── NEWS ────────────────────────────────────────────────────── */
.news-section {
  padding: 7rem 2rem;
  background: var(--navy);
}

.news-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--navy-border);
  border: 1px solid var(--navy-border);
  border-radius: 10px;
  overflow: hidden;
}

.news-card {
  background: var(--navy-raised);
  text-decoration: none;
  color: var(--text);
  transition: background 0.2s;
  display: flex;
  flex-direction: column;
}

.news-card:hover { background: var(--navy-card); }

/* Image handling: support both legacy and new structure */
.news-card > img,
.news-card-img img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  filter: brightness(0.75) saturate(0.7);
  transition: filter 0.3s, transform 0.4s;
}

.news-card:hover > img,
.news-card:hover .news-card-img img {
  filter: brightness(0.85) saturate(0.9);
}

.news-card-img { overflow: hidden; flex-shrink: 0; }

.news-card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

/* Legacy news-card padding */
.news-card > .news-date,
.news-card > .news-title,
.news-card > .news-excerpt {
  padding: 0 1.75rem;
}

.news-card > .news-date:first-of-type { padding-top: 1.25rem; }
.news-card > .news-excerpt:last-child { padding-bottom: 1.75rem; }

.news-date {
  font-size: 0.68rem;
  color: var(--teal);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}

.news-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--white);
}

.news-excerpt {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.65;
}

.news-read-more {
  font-size: 0.78rem;
  color: var(--teal);
  font-weight: 600;
  margin-top: 0.5rem;
  transition: color 0.2s;
}

.news-card:hover .news-read-more { color: var(--teal-bright); }

/* ─── CTA ─────────────────────────────────────────────────────── */
.cta-section {
  background: var(--navy-surface);
  border-top: 1px solid var(--navy-border);
  padding: 6rem 2rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0,188,212,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

.cta-content { max-width: 640px; }

.cta-content .section-eyebrow,
.cta-content .section-label { justify-content: center; }

.cta-content .section-title { margin-bottom: 0.75rem; }

.cta-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 420px;
  margin: 0 auto;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ─── FOOTER ──────────────────────────────────────────────────── */
footer {
  background: var(--navy);
  border-top: 1px solid var(--navy-border);
  padding: 4rem 2rem 2.5rem;
}

.footer-inner { max-width: 1160px; margin: 0 auto; }

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--navy-border);
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.875rem;
  width: fit-content;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.65;
  max-width: 240px;
  margin-bottom: 1.25rem;
}

.footer-certs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-cert {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--navy-raised);
  border: 1px solid var(--navy-border);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}

.footer-col h4 {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }

.footer-col ul li a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 500;
  transition: color 0.2s;
}

.footer-col ul li a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy { color: var(--text-dim); font-size: 0.78rem; }

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.78rem;
  transition: color 0.2s;
}

.footer-legal a:hover { color: var(--text-muted); }

/* ─── PAGE HEADER ──────────────────────────────────────────────── */
.page-header {
  padding: 9rem 2rem 4rem;
  background: var(--navy-surface);
  border-bottom: 1px solid var(--navy-border);
  position: relative;
  overflow: hidden;
}

.page-header .hero-bg-pattern,
.page-header .hero-grid-bg { opacity: 0.4; }

.page-header-inner { max-width: 1160px; margin: 0 auto; position: relative; z-index: 1; }

.page-header h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
  color: var(--white);
}

.page-header p { color: var(--text-muted); font-size: 1rem; max-width: 560px; line-height: 1.75; }

/* ─── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner { gap: 2.5rem; }
  .lab-panel { max-width: none; }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .hero-sub { max-width: none; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .about-inner,
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .hero-certifications { gap: 1rem; }
  .cert-divider { display: none; }
}

@media (max-width: 600px) {
  .products-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--navy-surface);
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--navy-border);
    z-index: 99;
  }
  .footer-top { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: column; align-items: center; }
  .hero-certifications { flex-direction: column; gap: 0.75rem; align-items: flex-start; }
}

/* ─── RESEARCH BANNER ───────────────────────────────────────── */
.research-banner {
  background: linear-gradient(135deg, var(--navy-surface) 0%, var(--navy-raised) 100%);
  border-top: 1px solid var(--navy-border);
  border-bottom: 1px solid var(--navy-border);
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
}

.research-banner::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal-border), transparent);
  opacity: 0.3;
}

.research-banner::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 100%;
  background: radial-gradient(ellipse at top right, var(--teal-glow) 0%, transparent 60%);
  pointer-events: none;
}

.research-banner-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2.5rem;
  align-items: center;
}

.research-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--navy-card);
  border: 1px solid var(--teal-border);
  border-radius: 50px;
  white-space: nowrap;
}

.research-pulse {
  width: 10px;
  height: 10px;
  background: var(--teal);
  border-radius: 50%;
  position: relative;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.research-pulse::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: var(--teal);
  border-radius: 50%;
  opacity: 0.6;
  animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-ring {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate(-50%, -50%) scale(2);
    opacity: 0;
  }
}

.research-badge-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--teal-bright);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.research-main {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.research-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin: 0;
  line-height: 1.3;
}

.research-description {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
  max-width: 800px;
}

.research-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: 12px;
}

.research-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.research-stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--teal-bright);
  line-height: 1;
}

.research-stat-unit {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 500;
}

.research-stat-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.research-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--navy-border);
}

@media (max-width: 1024px) {
  .research-banner-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .research-badge {
    justify-content: center;
  }

  .research-stats {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .research-banner {
    padding: 2rem 1.5rem;
  }

  .research-title {
    font-size: 1.25rem;
  }

  .research-description {
    font-size: 0.9rem;
  }

  .research-stats {
    gap: 1rem;
    padding: 1rem;
  }

  .research-stat-value {
    font-size: 1.5rem;
  }

  .research-stat-label {
    font-size: 0.7rem;
  }
}

/* ─── LAB VIDEO SECTION ─────────────────────────────────────── */
.lab-video-section {
  padding: 8rem 2rem;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.lab-video-section::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--teal-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.4;
}

.lab-video-section .section-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.lab-video-section .section-title {
  margin-bottom: 1.5rem;
  font-size: 2.75rem;
}

.lab-video-section .section-sub {
  margin-bottom: 4rem;
  font-size: 1.15rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.video-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  max-width: 1200px;
}

.video-container video {
  border: 1px solid var(--navy-border);
  background: var(--navy-surface);
}

.video-container video:hover {
  box-shadow: 0 25px 70px rgba(0,188,212,0.15);
  border-color: var(--teal-border);
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .lab-video-section {
    padding: 5rem 1.5rem;
  }

  .lab-video-section .section-title {
    font-size: 2rem;
  }

  .lab-video-section .section-sub {
    font-size: 1rem;
  }

  .video-container video {
    border-radius: 8px !important;
  }
}