/* Longevity AI — lng.css */

/* === 1. Custom Properties === */
:root {
  --lng-marrow: #0A2040;
  --lng-cortex: #122B54;
  --lng-field: #F4F7FC;
  --lng-sterile: #EBF0F7;
  --lng-glass: #FFFFFF;
  --lng-signal: #1E6CB5;
  --lng-signal-bright: #4C9AD4;
  --lng-signal-deep: #154F8A;
  --lng-clear: #E8EFF8;
  --lng-trace: #8AAAC4;
  --lng-deep: #0A2040;
  --lng-dim: #3E5A78;
  --lng-rule-dark: #1A3558;
  --lng-rule-light: #C8D8EA;
  --lng-positive: #22C55E;
  --lng-caution: #F59E0B;
  --lng-risk: #DC2626;
  --lng-nav-h: 68px;
  --lng-section-py: clamp(4rem, 8vw, 8rem);
  --lng-max-w: 1160px;
  --lng-gutter: clamp(1.25rem, 4vw, 2.5rem);
  --lng-ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --lng-dur: 240ms;
}

/* === 2. Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--lng-deep);
  background: var(--lng-glass);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* === 3. Typography === */
h1, h2, h3, h4, h5 {
  font-family: 'Playfair Display', 'Times New Roman', serif;
  line-height: 1.2;
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 900; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-family: 'Noto Sans', system-ui, sans-serif; font-weight: 600; }
p { line-height: 1.7; }

.lng-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: 'Noto Sans', system-ui, sans-serif;
  display: block;
}
.lng-caption { font-size: 0.875rem; }

/* === 4. Container === */
.lng-container {
  max-width: var(--lng-max-w);
  margin-inline: auto;
  padding-inline: var(--lng-gutter);
  width: 100%;
}

/* === 5. Buttons === */
.lng-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-family: 'Noto Sans', system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  transition: background var(--lng-dur) var(--lng-ease), color var(--lng-dur) var(--lng-ease), border-color var(--lng-dur) var(--lng-ease), box-shadow var(--lng-dur) var(--lng-ease);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  line-height: 1;
}
.lng-btn--primary {
  background: var(--lng-signal);
  color: #fff;
  border-color: var(--lng-signal);
}
.lng-btn--primary:hover { background: var(--lng-signal-deep); border-color: var(--lng-signal-deep); }

.lng-btn--primary-dark {
  background: var(--lng-signal);
  color: #fff;
  border-color: var(--lng-signal);
}
.lng-btn--primary-dark:hover { background: var(--lng-signal-deep); border-color: var(--lng-signal-deep); }

.lng-btn--outline-light {
  background: transparent;
  color: var(--lng-signal-deep);
  border-color: var(--lng-signal);
}
.lng-btn--outline-light:hover { background: var(--lng-signal); color: #fff; }

.lng-btn--ghost-on-dark {
  background: transparent;
  color: var(--lng-clear);
  border-color: rgba(255, 255, 255, 0.25);
}
.lng-btn--ghost-on-dark:hover { border-color: var(--lng-signal-bright); color: var(--lng-signal-bright); }

.lng-btn--text-link {
  background: transparent;
  color: var(--lng-signal);
  border-color: transparent;
  padding-inline: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.lng-btn--text-link:hover { color: var(--lng-signal-deep); }

.lng-btn--sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.lng-btn--lg { padding: 0.9375rem 2rem; font-size: 1rem; }

/* === 6. Section contexts === */
.lng-section { padding-block: var(--lng-section-py); }
.lng-section--dark { background: var(--lng-marrow); color: var(--lng-clear); }
.lng-section--dark-alt { background: var(--lng-cortex); color: var(--lng-clear); }
.lng-section--light { background: var(--lng-field); color: var(--lng-deep); }
.lng-section--light-alt { background: var(--lng-sterile); color: var(--lng-deep); }
.lng-section--white { background: var(--lng-glass); color: var(--lng-deep); }

.lng-section--dark h1,
.lng-section--dark h2,
.lng-section--dark h3,
.lng-section--dark h4,
.lng-section--dark-alt h1,
.lng-section--dark-alt h2,
.lng-section--dark-alt h3,
.lng-section--dark-alt h4 { color: var(--lng-clear); }

.lng-muted { color: var(--lng-dim); }
.lng-section--dark .lng-muted,
.lng-section--dark-alt .lng-muted { color: var(--lng-trace); }

.lng-section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}
.lng-section-header .lng-label { margin-bottom: 0.75rem; }
.lng-section-header h2 { margin-bottom: 1rem; }
.lng-section-header p { font-size: 1.0625rem; color: var(--lng-dim); }
.lng-section--dark .lng-section-header p,
.lng-section--dark-alt .lng-section-header p { color: var(--lng-trace); }
.lng-section--dark .lng-section-header .lng-label,
.lng-section--dark-alt .lng-section-header .lng-label { color: var(--lng-trace); }

/* === 7. Nav === */
.lng-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--lng-nav-h);
  background: var(--lng-marrow);
}
.lng-nav--scrolled { border-bottom: 1px solid var(--lng-rule-dark); }

.lng-nav__inner {
  display: flex;
  align-items: center;
  height: 100%;
}

.lng-nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-right: 2rem;
}
.lng-nav__logo img { height: 30px; width: auto; }

.lng-nav__links {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
}

.lng-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  color: var(--lng-clear);
  font-size: 0.9rem;
  font-weight: 400;
  border-radius: 4px;
  transition: color var(--lng-dur) var(--lng-ease), background var(--lng-dur) var(--lng-ease);
  text-decoration: none;
  white-space: nowrap;
}
.lng-nav__link:hover { color: var(--lng-signal-bright); background: rgba(255,255,255,0.05); }
.lng-nav__link--active { color: var(--lng-signal-bright); }

.lng-nav__link--cta {
  margin-left: auto;
  font-size: 0.875rem;
  padding: 0.5rem 1.125rem;
  border-radius: 6px;
}

.lng-nav__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}
.lng-nav__actions .lng-nav__link--cta {
  margin-left: 0;
}

.lng-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  cursor: pointer;
  background: none;
  border: none;
  margin-left: auto;
  flex-shrink: 0;
}
.lng-nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--lng-clear);
  border-radius: 2px;
  transition: all var(--lng-dur) var(--lng-ease);
}
.lng-nav__hamburger[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.lng-nav__hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.lng-nav__hamburger[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 820px) {
  .lng-nav__links {
    display: none;
    position: fixed;
    top: var(--lng-nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--lng-marrow);
    border-top: 1px solid var(--lng-rule-dark);
    padding: 1rem var(--lng-gutter) 1.5rem;
    gap: 0.125rem;
    z-index: 999;
    max-height: calc(100vh - var(--lng-nav-h));
    overflow-y: auto;
  }
  .lng-nav__links--open { display: flex; }
  .lng-nav__link { padding: 0.75rem 0.5rem; font-size: 1rem; }
  .lng-nav__link--cta {
    margin-left: 0;
    margin-top: 0.75rem;
    text-align: center;
    justify-content: center;
  }
  .lng-nav__actions {
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.375rem;
    margin-top: 0.75rem;
  }
  .lng-nav__actions .lng-nav__link--cta {
    margin-top: 0;
    text-align: center;
    justify-content: center;
  }
  .lng-nav__actions .lng-btn--ghost-on-dark {
    text-align: center;
    justify-content: center;
  }
  .lng-nav__hamburger { display: flex; }
}

/* === 8. Hero === */
.lng-hero {
  background: var(--lng-marrow);
  padding-top: calc(var(--lng-nav-h) + clamp(3.5rem, 7vw, 6rem));
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  color: var(--lng-clear);
}

.lng-hero h1 { color: var(--lng-clear); }

.lng-hero__eyebrow {
  display: inline-block;
  margin-bottom: 1.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--lng-signal-bright);
}

.lng-hero__sub {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--lng-trace);
  margin-top: 1.25rem;
  margin-bottom: 2.5rem;
}

.lng-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Two-column hero (index.html) */
.lng-hero__inner--two-col {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 960px) {
  .lng-hero__inner--two-col { grid-template-columns: 1fr; }
  .lng-hero__visual { display: none; }
}

/* Centered-stack hero */
.lng-hero--centered .lng-hero__text {
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
}
.lng-hero--centered .lng-hero__sub { margin-inline: auto; max-width: 620px; }
.lng-hero--centered .lng-hero__actions { justify-content: center; }

/* Sub-page hero ornament (visual weight anchor) */
.lng-hero-ornament {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

.lng-hero-data-fragment {
  display: flex;
  gap: 2rem;
  align-items: center;
  padding: 1.25rem 2rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--lng-rule-dark);
  border-radius: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.lng-hero-data-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.lng-hero-data-item__value {
  font-size: 1.5rem;
  font-weight: 900;
  font-family: 'Playfair Display', serif;
  color: var(--lng-signal-bright);
  line-height: 1;
}

.lng-hero-data-item__label {
  font-size: 0.75rem;
  color: var(--lng-trace);
  text-align: center;
  max-width: 100px;
}

.lng-hero-data-divider {
  width: 1px;
  height: 40px;
  background: var(--lng-rule-dark);
  flex-shrink: 0;
}

/* === 9. Hero Biomarker Panel (index.html inline mock) === */
.lng-biom-panel {
  background: var(--lng-cortex);
  border: 1px solid var(--lng-rule-dark);
  border-radius: 8px;
  padding: 1.25rem;
  width: 100%;
  max-width: 420px;
  font-family: 'Noto Sans', system-ui, sans-serif;
  font-size: 11px;
  color: var(--lng-clear);
  display: grid;
  grid-template-columns: 1fr 28px 1fr;
  gap: 0.75rem;
  align-items: start;
}

.lng-biom-panel__header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.625rem;
  border-bottom: 1px solid var(--lng-rule-dark);
}

.lng-biom-panel__title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lng-signal-bright);
}

.lng-biom-panel__status {
  font-size: 9px;
  color: var(--lng-positive);
  display: flex;
  align-items: center;
  gap: 4px;
}

.lng-biom-panel__status::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lng-positive);
}

.lng-biom-left {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.lng-biom-stream__label {
  display: block;
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--lng-trace);
  margin-bottom: 4px;
}

.lng-biom-dots {
  display: flex;
  align-items: center;
  height: 20px;
}

.lng-biom-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lng-signal-bright);
  opacity: 0.5;
  flex-shrink: 0;
}
.lng-biom-dot--active { opacity: 1; }

.lng-biom-dot-line {
  flex: 1;
  height: 1px;
  background: var(--lng-rule-dark);
}

.lng-biom-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 28px;
}

.lng-biom-bar-col {
  flex: 1;
  background: var(--lng-signal);
  border-radius: 2px 2px 0 0;
  opacity: 0.7;
  min-width: 6px;
}
.lng-biom-bar-col--hi { opacity: 1; background: var(--lng-signal-bright); }
.lng-biom-bar-col--lo { opacity: 0.4; }

.lng-biom-wave-wrap { height: 28px; overflow: hidden; }

.lng-biom-wave { width: 100%; height: 28px; }

.lng-biom-wave-path {
  stroke: var(--lng-signal-bright);
  stroke-width: 1.5;
  fill: none;
  stroke-dasharray: 220;
  stroke-dashoffset: 0;
  animation: lng-wave-flow 3s linear infinite;
}
@keyframes lng-wave-flow {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -220; }
}

.lng-biom-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lng-signal-bright);
  font-size: 12px;
  padding-top: 1rem;
}

.lng-biom-right {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.lng-biom-profile-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--lng-signal-bright);
  margin-bottom: 0.125rem;
}

.lng-biom-metric { display: flex; flex-direction: column; gap: 3px; }

.lng-biom-metric__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lng-biom-metric__name { font-size: 10px; color: var(--lng-clear); line-height: 1.3; }
.lng-biom-metric__val { font-size: 10px; font-weight: 600; color: var(--lng-clear); }

.lng-biom-bar-track {
  height: 4px;
  background: var(--lng-rule-dark);
  border-radius: 2px;
  overflow: hidden;
}

.lng-biom-bar-fill { height: 100%; border-radius: 2px; }
.lng-biom-bar-fill--positive { background: var(--lng-positive); }
.lng-biom-bar-fill--caution { background: var(--lng-caution); }
.lng-biom-bar-fill--risk { background: var(--lng-risk); }

.lng-biom-metric__status {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.lng-biom-metric__status--positive { color: var(--lng-positive); }
.lng-biom-metric__status--caution { color: var(--lng-caution); }
.lng-biom-metric__status--risk { color: var(--lng-risk); }

/* === 10. Platform Stream Diagram (platform.html plt-overview) === */
.lng-stream-diagram {
  display: flex;
  align-items: stretch;
  gap: 0;
  max-width: 720px;
  margin-inline: auto;
  background: var(--lng-cortex);
  border: 1px solid var(--lng-rule-dark);
  border-radius: 8px;
  font-family: 'Noto Sans', system-ui, sans-serif;
  overflow: hidden;
}

.lng-stream-col {
  flex: 1;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lng-stream-col--center {
  background: rgba(30, 108, 181, 0.12);
  border-inline: 1px solid var(--lng-rule-dark);
  align-items: center;
  justify-content: center;
  flex: 1.2;
  gap: 0.75rem;
}

.lng-stream-col__title {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lng-trace);
  margin-bottom: 0.25rem;
}

.lng-stream-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.625rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--lng-rule-dark);
  border-radius: 4px;
}

.lng-stream-input-row__icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(76, 154, 212, 0.15);
  border-radius: 4px;
  color: var(--lng-signal-bright);
  font-size: 10px;
  flex-shrink: 0;
}

.lng-stream-input-row__label {
  font-size: 11px;
  font-weight: 600;
  color: var(--lng-clear);
}

.lng-stream-engine-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lng-signal);
  border-radius: 50%;
  color: #fff;
  font-size: 16px;
}

.lng-stream-engine-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--lng-clear);
  text-align: center;
  line-height: 1.4;
}

.lng-stream-engine-sublabel {
  font-size: 10px;
  color: var(--lng-trace);
  text-align: center;
}

.lng-stream-output-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(76, 154, 212, 0.15);
  border-radius: 50%;
  color: var(--lng-signal-bright);
  font-size: 16px;
}

.lng-stream-output-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--lng-clear);
  line-height: 1.4;
}

.lng-stream-output-sublabel {
  font-size: 10px;
  color: var(--lng-trace);
}

.lng-stream-arrow-row {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lng-trace);
  font-size: 1rem;
}

@media (max-width: 600px) {
  .lng-stream-diagram { flex-direction: column; }
  .lng-stream-col--center { border-inline: none; border-block: 1px solid var(--lng-rule-dark); }
}

/* === 11. Proof Strip === */
.lng-proof-strip {
  padding-block: 2.5rem;
  background: var(--lng-cortex);
  border-block: 1px solid var(--lng-rule-dark);
}
.lng-proof-strip__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 5vw, 4rem);
  flex-wrap: wrap;
  text-align: center;
}

.lng-proof-divider {
  width: 1px;
  height: 40px;
  background: var(--lng-rule-dark);
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .lng-proof-divider { display: none; }
}

.lng-proof-item { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; }
.lng-proof-item__value {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 700;
  font-family: 'Playfair Display', serif;
  color: var(--lng-signal-bright);
  line-height: 1;
}
.lng-proof-item__label {
  font-size: 0.8125rem;
  color: var(--lng-trace);
  max-width: 160px;
  line-height: 1.4;
}

/* === 12. How It Works === */
.lng-hiw-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}
@media (max-width: 640px) { .lng-hiw-steps { grid-template-columns: 1fr; } }

.lng-hiw-step { display: flex; flex-direction: column; gap: 1rem; }
.lng-hiw-step__num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--lng-signal);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 700;
  font-family: 'Playfair Display', serif;
  flex-shrink: 0;
}
.lng-hiw-step__title {
  font-size: 1.0625rem;
  font-weight: 600;
  font-family: 'Noto Sans', system-ui, sans-serif;
  color: var(--lng-deep);
}
.lng-hiw-step__body { color: var(--lng-dim); font-size: 0.9375rem; line-height: 1.65; }

/* === 13. Feature tiles === */
.lng-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 768px) { .lng-tiles { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .lng-tiles { grid-template-columns: 1fr; } }

.lng-tile {
  padding: 1.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--lng-rule-dark);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.lng-tile--light { background: var(--lng-glass); border-color: var(--lng-rule-light); }

.lng-tile__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(76, 154, 212, 0.15);
  border-radius: 8px;
  color: var(--lng-signal-bright);
  font-size: 1.125rem;
  flex-shrink: 0;
}
.lng-tile--light .lng-tile__icon { background: rgba(30, 108, 181, 0.1); color: var(--lng-signal); }

.lng-tile__title { font-size: 1.0625rem; font-weight: 600; font-family: 'Noto Sans', system-ui, sans-serif; color: var(--lng-clear); }
.lng-tile--light .lng-tile__title { color: var(--lng-deep); }

.lng-tile__body { font-size: 0.9375rem; color: var(--lng-trace); line-height: 1.65; }
.lng-tile--light .lng-tile__body { color: var(--lng-dim); }

/* === 14. Testimonials === */
.lng-testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 640px) { .lng-testimonials-grid { grid-template-columns: 1fr; } }

.lng-testimonial {
  padding: 2rem;
  background: var(--lng-glass);
  border: 1px solid var(--lng-rule-light);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.lng-testimonial--single { max-width: 640px; margin-inline: auto; }

.lng-testimonial__quote { font-size: 1.0625rem; line-height: 1.7; color: var(--lng-deep); font-style: italic; }
.lng-testimonial__attr { display: flex; flex-direction: column; gap: 0.125rem; }
.lng-testimonial__name { font-size: 0.9375rem; font-weight: 600; color: var(--lng-deep); }
.lng-testimonial__role { font-size: 0.875rem; color: var(--lng-dim); }

/* === 15. Audience split === */
.lng-audience-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 640px) { .lng-audience-split { grid-template-columns: 1fr; } }

.lng-audience-panel {
  padding: 2.5rem;
  background: var(--lng-glass);
  border: 1px solid var(--lng-rule-light);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.lng-audience-panel__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--lng-signal);
}
.lng-audience-panel__title {
  font-family: 'Playfair Display', serif;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--lng-deep);
  line-height: 1.3;
}
.lng-audience-panel__body { font-size: 0.9375rem; color: var(--lng-dim); line-height: 1.65; flex: 1; }

/* === 16. CTA Band === */
.lng-cta-band {
  padding-block: clamp(4rem, 7vw, 7rem);
  background: var(--lng-marrow);
  text-align: center;
}
.lng-cta-band__inner {
  max-width: 620px;
  margin-inline: auto;
  padding-inline: var(--lng-gutter);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.lng-cta-band h2 { color: var(--lng-clear); }
.lng-cta-band h3 { color: var(--lng-clear); font-family: 'Playfair Display', serif; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.lng-cta-band p { color: var(--lng-trace); font-size: 1.0625rem; }
.lng-cta-band__actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }

/* === 17. Platform section layout (two-col content rows) === */
.lng-platform-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.lng-platform-row--flip { direction: rtl; }
.lng-platform-row--flip > * { direction: ltr; }
@media (max-width: 768px) {
  .lng-platform-row,
  .lng-platform-row--flip { grid-template-columns: 1fr; direction: ltr; }
}

.lng-platform-row__visual {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--lng-rule-dark);
  border-radius: 8px;
  padding: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  flex-direction: column;
  gap: 0.75rem;
}
.lng-platform-row__visual--light {
  background: var(--lng-glass);
  border-color: var(--lng-rule-light);
}

.lng-platform-row__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--lng-signal);
  margin-bottom: 0.75rem;
  display: block;
}
.lng-section--dark .lng-platform-row__eyebrow,
.lng-section--dark-alt .lng-platform-row__eyebrow { color: var(--lng-signal-bright); }

.lng-platform-row__title {
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 700;
  margin-bottom: 0.875rem;
  color: var(--lng-deep);
}
.lng-section--dark .lng-platform-row__title,
.lng-section--dark-alt .lng-platform-row__title { color: var(--lng-clear); }

.lng-platform-row__body {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--lng-dim);
  margin-bottom: 1.5rem;
}
.lng-section--dark .lng-platform-row__body,
.lng-section--dark-alt .lng-platform-row__body { color: var(--lng-trace); }

/* Feature checklist */
.lng-feature-list { display: flex; flex-direction: column; gap: 0.5rem; }
.lng-feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.9375rem;
  color: var(--lng-dim);
}
.lng-section--dark .lng-feature-list__item,
.lng-section--dark-alt .lng-feature-list__item { color: var(--lng-trace); }

.lng-feature-list__item i {
  color: var(--lng-signal);
  font-size: 0.8125rem;
  margin-top: 0.3rem;
  flex-shrink: 0;
}
.lng-section--dark .lng-feature-list__item i,
.lng-section--dark-alt .lng-feature-list__item i { color: var(--lng-signal-bright); }

/* Visual mock placeholders inside platform row visuals */
.lng-visual-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--lng-rule-dark);
  border-radius: 20px;
  font-size: 11px;
  font-family: 'Noto Sans', system-ui, sans-serif;
  color: var(--lng-trace);
}
.lng-visual-tag i { color: var(--lng-signal-bright); font-size: 11px; }

.lng-visual-bar-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}
.lng-visual-bar-row__label { font-size: 10px; color: var(--lng-trace); min-width: 60px; font-family: 'Noto Sans', system-ui, sans-serif; }
.lng-visual-bar-row__track { flex: 1; height: 6px; background: var(--lng-rule-dark); border-radius: 3px; }
.lng-visual-bar-row__fill { height: 100%; border-radius: 3px; background: var(--lng-signal-bright); }
.lng-visual-bar-row__val { font-size: 10px; color: var(--lng-clear); min-width: 30px; text-align: right; font-family: 'Noto Sans', system-ui, sans-serif; }

/* Light section visual variants (covers --white, --light, --light-alt backgrounds) */
.lng-section--white .lng-platform-row__visual,
.lng-section--light .lng-platform-row__visual,
.lng-section--light-alt .lng-platform-row__visual {
  background: var(--lng-glass);
  border-color: var(--lng-rule-light);
}
.lng-section--white .lng-visual-tag,
.lng-section--light .lng-visual-tag,
.lng-section--light-alt .lng-visual-tag {
  border-color: var(--lng-rule-light);
  color: var(--lng-dim);
}
.lng-section--white .lng-visual-tag i,
.lng-section--light .lng-visual-tag i,
.lng-section--light-alt .lng-visual-tag i { color: var(--lng-signal); }
.lng-section--white .lng-visual-bar-row__track,
.lng-section--light .lng-visual-bar-row__track,
.lng-section--light-alt .lng-visual-bar-row__track { background: var(--lng-rule-light); }
.lng-section--white .lng-visual-bar-row__fill,
.lng-section--light .lng-visual-bar-row__fill,
.lng-section--light-alt .lng-visual-bar-row__fill { background: var(--lng-signal); }
.lng-section--white .lng-visual-bar-row__label,
.lng-section--light .lng-visual-bar-row__label,
.lng-section--light-alt .lng-visual-bar-row__label { color: var(--lng-dim); }
.lng-section--white .lng-visual-bar-row__val,
.lng-section--light .lng-visual-bar-row__val,
.lng-section--light-alt .lng-visual-bar-row__val { color: var(--lng-deep); }

/* Clinician image */
.lng-clinician-img-wrap {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 3 / 2;
}
.lng-clinician-img-wrap img { width: 100%; height: 100%; object-fit: cover; }

/* === 18. Metric highlight === */
.lng-metric-highlight {
  padding: 1.75rem;
  background: rgba(30, 108, 181, 0.06);
  border: 1px solid var(--lng-rule-light);
  border-left: 4px solid var(--lng-signal);
  border-radius: 0 6px 6px 0;
}
.lng-section--dark .lng-metric-highlight,
.lng-section--dark-alt .lng-metric-highlight {
  background: rgba(76, 154, 212, 0.1);
  border-color: var(--lng-rule-dark);
  border-left-color: var(--lng-signal-bright);
}
.lng-metric-highlight__value {
  font-size: 2.25rem;
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  color: var(--lng-signal);
  line-height: 1;
  margin-bottom: 0.375rem;
}
.lng-section--dark .lng-metric-highlight__value,
.lng-section--dark-alt .lng-metric-highlight__value { color: var(--lng-signal-bright); }
.lng-metric-highlight__label { font-size: 0.9375rem; color: var(--lng-dim); line-height: 1.5; }
.lng-section--dark .lng-metric-highlight__label,
.lng-section--dark-alt .lng-metric-highlight__label { color: var(--lng-trace); }

/* === 19. Team cards === */
.lng-team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 768px) { .lng-team-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .lng-team-grid { grid-template-columns: 1fr; } }

.lng-team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--lng-glass);
  border: 1px solid var(--lng-rule-light);
  border-radius: 8px;
  gap: 0.875rem;
}

.lng-team-card__avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--lng-field);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--lng-rule-light);
  flex-shrink: 0;
}
.lng-team-card__avatar img { width: 100%; height: 100%; object-fit: cover; }
.lng-team-card__initials {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--lng-signal);
  font-family: 'Playfair Display', serif;
  display: none;
}
.lng-team-card__name { font-size: 1rem; font-weight: 600; color: var(--lng-deep); }
.lng-team-card__role { font-size: 0.875rem; color: var(--lng-signal); font-weight: 600; }
.lng-team-card__bio { font-size: 0.875rem; color: var(--lng-dim); line-height: 1.6; }

/* === 20. Values grid === */
.lng-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 640px) { .lng-values-grid { grid-template-columns: 1fr; } }

.lng-value-card {
  padding: 1.75rem;
  background: var(--lng-glass);
  border: 1px solid var(--lng-rule-light);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.lng-value-card__num { font-size: 2rem; font-family: 'Playfair Display', serif; font-weight: 900; color: var(--lng-signal); line-height: 1; }
.lng-value-card__title { font-family: 'Noto Sans', system-ui, sans-serif; font-size: 1rem; font-weight: 600; color: var(--lng-deep); }
.lng-value-card__body { font-size: 0.9375rem; color: var(--lng-dim); line-height: 1.65; }

/* Origin section (dark) */
.lng-origin-content { max-width: 700px; }
.lng-origin-content p { color: var(--lng-trace); font-size: 1rem; line-height: 1.75; margin-bottom: 1.5rem; }
.lng-origin-content p:last-child { margin-bottom: 0; }
.lng-origin-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--lng-rule-dark);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--lng-trace);
  margin-bottom: 1.5rem;
}
.lng-origin-badge i { color: var(--lng-signal-bright); }

/* Security badges */
.lng-security-badges { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.lng-security-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--lng-rule-light);
  border-radius: 4px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--lng-dim);
}
.lng-security-badge i { color: var(--lng-signal); font-size: 0.875rem; }
.lng-section--dark .lng-security-badge,
.lng-section--dark-alt .lng-security-badge { border-color: var(--lng-rule-dark); color: var(--lng-trace); }
.lng-section--dark .lng-security-badge i,
.lng-section--dark-alt .lng-security-badge i { color: var(--lng-signal-bright); }

/* === 21. Contact form === */
.lng-contact-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 768px) { .lng-contact-layout { grid-template-columns: 1fr; } }

.lng-form { display: flex; flex-direction: column; gap: 1.25rem; }
.lng-form-group { display: flex; flex-direction: column; gap: 0.375rem; }
.lng-form-label { font-size: 0.875rem; font-weight: 600; color: var(--lng-deep); }
.lng-form-input,
.lng-form-select,
.lng-form-textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--lng-rule-light);
  border-radius: 6px;
  background: var(--lng-glass);
  color: var(--lng-deep);
  font-family: 'Noto Sans', system-ui, sans-serif;
  font-size: 0.9375rem;
  transition: border-color var(--lng-dur) var(--lng-ease), box-shadow var(--lng-dur) var(--lng-ease);
  width: 100%;
  appearance: auto;
}
.lng-form-input:focus,
.lng-form-select:focus,
.lng-form-textarea:focus {
  outline: none;
  border-color: var(--lng-signal);
  box-shadow: 0 0 0 3px rgba(30, 108, 181, 0.15);
}
.lng-form-textarea { resize: vertical; min-height: 110px; }
.lng-form-hint { font-size: 0.8125rem; color: var(--lng-dim); }

.lng-contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--lng-glass);
  border: 1px solid var(--lng-rule-light);
  border-radius: 8px;
}
.lng-contact-sidebar__title { font-size: 0.9375rem; font-weight: 600; color: var(--lng-deep); margin-bottom: 0.25rem; }

.lng-contact-row { display: flex; align-items: flex-start; gap: 0.875rem; }
.lng-contact-row__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 108, 181, 0.1);
  border-radius: 6px;
  color: var(--lng-signal);
  font-size: 0.875rem;
  flex-shrink: 0;
}
.lng-contact-row__label { font-size: 0.75rem; font-weight: 600; color: var(--lng-dim); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.125rem; }
.lng-contact-row__value { font-size: 0.9375rem; color: var(--lng-deep); }
.lng-contact-row__value a { color: var(--lng-signal); text-decoration: none; }
.lng-contact-row__value a:hover { text-decoration: underline; color: var(--lng-signal-deep); }

/* === 22. Blog Index === */
.lng-blg-header {
  padding-top: calc(var(--lng-nav-h) + clamp(3rem, 6vw, 5rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
  background: var(--lng-marrow);
  color: var(--lng-clear);
  text-align: center;
}
.lng-blg-header h1 { color: var(--lng-clear); margin-bottom: 0.875rem; }
.lng-blg-header p { color: var(--lng-trace); max-width: 520px; margin-inline: auto; }

.lng-featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--lng-glass);
  border: 1px solid var(--lng-rule-light);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
@media (max-width: 768px) { .lng-featured-card { grid-template-columns: 1fr; } }

.lng-featured-card__img { overflow: hidden; }
.lng-featured-card__img img { width: 100%; height: 100%; object-fit: cover; min-height: 250px; }

.lng-featured-card__content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  justify-content: center;
}
.lng-featured-card__meta { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.lng-featured-card__date { font-size: 0.8125rem; color: var(--lng-dim); }
.lng-featured-card__title { font-family: 'Playfair Display', serif; font-size: clamp(1.25rem, 2.5vw, 1.75rem); font-weight: 700; color: var(--lng-deep); line-height: 1.3; }
.lng-featured-card__excerpt { font-size: 0.9375rem; color: var(--lng-dim); line-height: 1.65; }
.lng-featured-card__read { color: var(--lng-signal); font-weight: 600; font-size: 0.9375rem; display: inline-flex; align-items: center; gap: 0.375rem; text-decoration: none; }
.lng-featured-card__read:hover { color: var(--lng-signal-deep); }

.lng-cat-tag {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  background: rgba(30, 108, 181, 0.1);
  color: var(--lng-signal-deep);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.lng-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 900px) { .lng-blog-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .lng-blog-grid { grid-template-columns: 1fr; } }

.lng-blog-card {
  background: var(--lng-glass);
  border: 1px solid var(--lng-rule-light);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--lng-dur) var(--lng-ease);
}
.lng-blog-card:hover { box-shadow: 0 4px 24px rgba(10, 32, 64, 0.1); }

.lng-blog-card__img { aspect-ratio: 16 / 9; overflow: hidden; }
.lng-blog-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--lng-dur) var(--lng-ease); }
.lng-blog-card:hover .lng-blog-card__img img { transform: scale(1.03); }

.lng-blog-card__content { padding: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.lng-blog-card__meta { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.lng-blog-card__date { font-size: 0.8125rem; color: var(--lng-dim); }
.lng-blog-card__title { font-family: 'Playfair Display', serif; font-size: 1.0625rem; font-weight: 700; color: var(--lng-deep); line-height: 1.35; }
.lng-blog-card__excerpt { font-size: 0.875rem; color: var(--lng-dim); line-height: 1.6; flex: 1; }
.lng-blog-card__read { color: var(--lng-signal); font-weight: 600; font-size: 0.875rem; display: inline-flex; align-items: center; gap: 0.25rem; text-decoration: none; margin-top: auto; padding-top: 0.5rem; }
.lng-blog-card__read:hover { color: var(--lng-signal-deep); }

/* === 23. Blog Article page === */
.lng-article-header {
  padding-top: calc(var(--lng-nav-h) + clamp(3rem, 5vw, 4.5rem));
  padding-bottom: 2.5rem;
  background: var(--lng-field);
}
.lng-article-header__inner {
  max-width: 720px;
  margin-inline: auto;
  padding-inline: var(--lng-gutter);
}

.lng-article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--lng-signal);
  text-decoration: none;
  margin-bottom: 1.5rem;
  transition: color var(--lng-dur);
}
.lng-article-back:hover { color: var(--lng-signal-deep); }

.lng-article-meta { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem; }
.lng-article-date { font-size: 0.875rem; color: var(--lng-dim); }
.lng-article-author { font-size: 0.875rem; font-weight: 600; color: var(--lng-dim); }
.lng-article-reading { font-size: 0.875rem; color: var(--lng-dim); }

.lng-article-header h1 { font-size: clamp(1.75rem, 4vw, 2.8rem); color: var(--lng-deep); line-height: 1.2; margin-bottom: 1.25rem; }
.lng-article-excerpt { font-size: 1.0625rem; color: var(--lng-dim); line-height: 1.65; }

.lng-article-cover {
  max-width: 720px;
  margin-inline: auto;
  padding-inline: var(--lng-gutter);
  padding-top: 2rem;
  background: var(--lng-field);
}
.lng-article-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  display: block;
}

.lng-article-body { background: var(--lng-glass); padding-block: clamp(3rem, 5vw, 5rem); }

.lng-article-content {
  max-width: 720px;
  margin-inline: auto;
  padding-inline: var(--lng-gutter);
}
.lng-article-content h2 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); color: var(--lng-deep); margin-top: 2.5rem; margin-bottom: 0.875rem; }
.lng-article-content h3 { font-size: 1.125rem; color: var(--lng-deep); font-family: 'Noto Sans', system-ui, sans-serif; font-weight: 600; margin-top: 2rem; margin-bottom: 0.625rem; }
.lng-article-content p { font-size: 1rem; color: var(--lng-deep); line-height: 1.8; margin-bottom: 1.375rem; }
.lng-article-content ul,
.lng-article-content ol { margin-bottom: 1.25rem; padding-left: 1.5rem; }
.lng-article-content li { font-size: 1rem; color: var(--lng-deep); line-height: 1.75; margin-bottom: 0.5rem; list-style: disc; }
.lng-article-content ol li { list-style: decimal; }
.lng-article-content a { color: var(--lng-signal); text-decoration: underline; text-underline-offset: 3px; }
.lng-article-content a:hover { color: var(--lng-signal-deep); }

.lng-article-related { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--lng-rule-light); }
.lng-article-related__title { font-size: 0.9375rem; font-weight: 600; color: var(--lng-dim); text-transform: uppercase; letter-spacing: 0.07em; font-family: 'Noto Sans', system-ui, sans-serif; margin-bottom: 0.875rem; }
.lng-article-related__links { display: flex; flex-direction: column; gap: 0.5rem; }
.lng-article-related__link { color: var(--lng-signal); font-size: 0.9375rem; text-decoration: none; display: inline-flex; align-items: center; gap: 0.25rem; }
.lng-article-related__link:hover { color: var(--lng-signal-deep); text-decoration: underline; }

.lng-article-cta { background: var(--lng-marrow); padding-block: clamp(3rem, 5vw, 5rem); text-align: center; }
.lng-article-cta__inner { max-width: 580px; margin-inline: auto; padding-inline: var(--lng-gutter); }
.lng-article-cta h2 { color: var(--lng-clear); font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 1rem; }
.lng-article-cta p { color: var(--lng-trace); font-size: 1.0625rem; margin-bottom: 2rem; }

/* === 24. Auth pages === */
.lng-auth-page {
  min-height: 100vh;
  background: var(--lng-field);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem var(--lng-gutter);
}
.lng-auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--lng-glass);
  border: 1px solid var(--lng-rule-light);
  border-radius: 10px;
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: 0 8px 32px rgba(10, 32, 64, 0.08);
}
.lng-auth-logo { display: flex; justify-content: center; margin-bottom: 2rem; }
.lng-auth-logo img { height: 34px; width: auto; }
.lng-auth-title { font-family: 'Playfair Display', serif; font-size: 1.75rem; font-weight: 700; color: var(--lng-deep); text-align: center; margin-bottom: 0.5rem; }
.lng-auth-sub { font-size: 0.9375rem; color: var(--lng-dim); text-align: center; margin-bottom: 2rem; }
.lng-auth-form { display: flex; flex-direction: column; gap: 1.125rem; }
.lng-auth-submit { width: 100%; justify-content: center; padding: 0.875rem; font-size: 1rem; margin-top: 0.375rem; }
.lng-auth-links { display: flex; justify-content: center; gap: 1.25rem; flex-wrap: wrap; margin-top: 1.5rem; font-size: 0.875rem; color: var(--lng-dim); }
.lng-auth-links a { color: var(--lng-signal); text-decoration: none; }
.lng-auth-links a:hover { text-decoration: underline; }
.lng-auth-legal { text-align: center; font-size: 0.8125rem; color: var(--lng-dim); margin-top: 1.5rem; line-height: 1.5; }
.lng-auth-legal a { color: var(--lng-signal); text-decoration: none; }
.lng-auth-legal a:hover { text-decoration: underline; }

/* === 25. FAQ accordion === */
.lng-faq { max-width: 720px; margin-inline: auto; }
.lng-faq-item { border-bottom: 1px solid var(--lng-rule-light); }
.lng-faq-item:first-child { border-top: 1px solid var(--lng-rule-light); }
.lng-faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.125rem 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Noto Sans', system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--lng-deep);
  text-align: left;
}
.lng-faq-question:hover { color: var(--lng-signal); }
.lng-faq-chevron { font-size: 0.75rem; color: var(--lng-signal); flex-shrink: 0; transition: transform 0.25s ease; }
.lng-faq-item--open .lng-faq-chevron { transform: rotate(180deg); }
.lng-faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}
.lng-faq-item--open .lng-faq-answer { max-height: 400px; }
.lng-faq-answer p { padding-bottom: 1.25rem; font-size: 0.9375rem; line-height: 1.75; color: var(--lng-dim); }

/* === 26. Legal pages === */
.lng-legal-header {
  padding-top: calc(var(--lng-nav-h) + clamp(3rem, 6vw, 5rem));
  padding-bottom: 2.5rem;
  background: var(--lng-field);
  border-bottom: 1px solid var(--lng-rule-light);
}
.lng-legal-header__inner { max-width: 720px; margin-inline: auto; padding-inline: var(--lng-gutter); }
.lng-legal-header h1 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); color: var(--lng-deep); margin-bottom: 0.5rem; }
.lng-legal-header p { color: var(--lng-dim); font-size: 0.9375rem; }

.lng-legal-body { background: var(--lng-glass); padding-block: clamp(3rem, 5vw, 5rem); }

.lng-legal-content {
  max-width: 720px;
  margin-inline: auto;
  padding-inline: var(--lng-gutter);
  color: var(--lng-deep);
}
.lng-legal-content h2 { font-size: 1.375rem; color: var(--lng-deep); margin-top: 2.5rem; margin-bottom: 0.75rem; }
.lng-legal-content h3 { font-size: 1.0625rem; font-family: 'Noto Sans', system-ui, sans-serif; font-weight: 600; color: var(--lng-deep); margin-top: 1.75rem; margin-bottom: 0.5rem; }
.lng-legal-content p { font-size: 0.9375rem; line-height: 1.75; color: var(--lng-deep); margin-bottom: 1rem; }
.lng-legal-content ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.lng-legal-content li { font-size: 0.9375rem; color: var(--lng-deep); line-height: 1.7; margin-bottom: 0.375rem; list-style: disc; }
.lng-legal-content a { color: var(--lng-signal); text-decoration: underline; text-underline-offset: 2px; }

/* === 26. Footer === */
.lng-footer { background: var(--lng-marrow); color: var(--lng-clear); padding-top: clamp(3.5rem, 6vw, 5.5rem); }

.lng-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}
@media (max-width: 768px) { .lng-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .lng-footer__grid { grid-template-columns: 1fr; } }

.lng-footer__brand { display: flex; flex-direction: column; gap: 1rem; }
.lng-footer__logo img { height: 28px; width: auto; }
.lng-footer__desc { font-size: 0.875rem; color: var(--lng-trace); line-height: 1.65; max-width: 280px; }
.lng-footer__address { font-size: 0.875rem; color: var(--lng-trace); line-height: 1.6; font-style: normal; }
.lng-footer__contact-links { display: flex; flex-direction: column; gap: 0.25rem; }
.lng-footer__contact-link { font-size: 0.875rem; color: var(--lng-trace); text-decoration: none; transition: color var(--lng-dur); }
.lng-footer__contact-link:hover { color: var(--lng-signal-bright); }

.lng-footer__col-title { font-size: 0.875rem; font-weight: 600; color: var(--lng-clear); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1.25rem; }
.lng-footer__links { display: flex; flex-direction: column; gap: 0.625rem; }
.lng-footer__link { font-size: 0.875rem; color: var(--lng-trace); text-decoration: none; transition: color var(--lng-dur); }
.lng-footer__link:hover { color: var(--lng-signal-bright); }

.lng-footer__bottom {
  border-top: 1px solid var(--lng-rule-dark);
  padding-block: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.lng-footer__copy { font-size: 0.8125rem; color: var(--lng-trace); }
.lng-footer__legal-links { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.lng-footer__legal-link { font-size: 0.8125rem; color: var(--lng-trace); text-decoration: none; transition: color var(--lng-dur); }
.lng-footer__legal-link:hover { color: var(--lng-signal-bright); }

/* === 27. Cookie Banner === */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--lng-cortex);
  border-top: 1px solid var(--lng-rule-dark);
  z-index: 9000;
  padding: 1rem var(--lng-gutter);
}
.cookie-banner__inner {
  max-width: var(--lng-max-w);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cookie-banner__text { font-size: 0.875rem; color: var(--lng-clear); line-height: 1.5; flex: 1; min-width: 200px; }
.cookie-banner__text a { color: var(--lng-signal-bright); text-decoration: underline; }
.cookie-banner__actions { display: flex; gap: 0.75rem; flex-shrink: 0; }

.cookie-banner__btn {
  padding: 0.5rem 1.25rem;
  border-radius: 5px;
  font-family: 'Noto Sans', system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--lng-dur);
  background: transparent;
  color: var(--lng-clear);
  border: 1px solid var(--lng-rule-dark);
}

.cookie-banner__btn--primary {
  background: var(--lng-signal);
  color: #ffffff;
  border-color: var(--lng-signal);
}
.cookie-banner__btn--primary:hover { background: var(--lng-signal-deep); border-color: var(--lng-signal-deep); }

.cookie-banner__btn--secondary {
  background: transparent;
  color: var(--lng-trace);
  border-color: var(--lng-rule-dark);
}
.cookie-banner__btn--secondary:hover { color: var(--lng-clear); border-color: var(--lng-trace); }

/* === 28. Fade-in animations === */
.lng-fade {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms var(--lng-ease), transform 500ms var(--lng-ease);
}
.lng-fade--visible { opacity: 1; transform: translateY(0); }
.lng-fade--d1 { transition-delay: 80ms; }
.lng-fade--d2 { transition-delay: 160ms; }
.lng-fade--d3 { transition-delay: 240ms; }
.lng-fade--d4 { transition-delay: 320ms; }

/* === 29. Utilities === */
.lng-text-center { text-align: center; }
.lng-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.lng-divider { border: none; border-top: 1px solid var(--lng-rule-light); margin-block: 2rem; }
.lng-section--dark .lng-divider,
.lng-section--dark-alt .lng-divider { border-color: var(--lng-rule-dark); }

.lng-table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* === 30. Page body-class hooks === */
.lng-page--home,
.lng-page--about,
.lng-page--physicians,
.lng-page--clinics,
.lng-page--contact,
.lng-page--auth,
.lng-page--article,
.lng-page--blog-index,
.lng-page--legal { min-height: 100vh; }

/* === 31. Platform row text column === */
.lng-platform-row__text { display: flex; flex-direction: column; justify-content: center; gap: 1rem; }

/* === 32. Article author row === */
.lng-article-author-row { display: flex; align-items: center; gap: 0.625rem; }
.lng-article-author-avatar { width: 36px; height: 36px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.lng-article-author-avatar img { width: 100%; height: 100%; object-fit: cover; }
.lng-article-author-initials { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--lng-signal); color: #fff; font-size: 0.75rem; font-weight: 600; flex-shrink: 0; }

/* === 33. Contact form === */
.lng-contact-form { display: flex; flex-direction: column; gap: 1.125rem; }