@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:wght@400;700&family=Manrope:wght@400;500;600&family=JetBrains+Mono:wght@400&display=swap');

:root {
  --qfc-space: #0D0F1A;
  --qfc-space-alt: #141625;
  --qfc-accent: #4C6FFF;
  --qfc-link-dark: #7B93FF;
  --qfc-calibrate: #00C88C;
  --qfc-surface: #F5F7FA;
  --qfc-surface-alt: #EEF1F8;
  --qfc-text-dark: #E8EAFF;
  --qfc-muted-dark: #A0ABCA;
  --qfc-text-light: #0D0F1A;
  --qfc-muted-light: #4A5166;
  --qfc-border-dark: #252842;
  --qfc-border-light: #D1D8E8;
  --qfc-nav-h: 64px;
  --qfc-radius: 8px;
  --qfc-radius-lg: 16px;
  --qfc-section-v: 120px;
  --qfc-section-v-mob: 64px;
  --qfc-container: 1200px;
  --qfc-container-narrow: 720px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: var(--qfc-space);
  color: var(--qfc-text-dark);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Crimson Pro', Georgia, serif;
  line-height: 1.2;
  font-weight: 700;
}


.qfc-container {
  max-width: var(--qfc-container);
  margin: 0 auto;
  padding: 0 24px;
}

.qfc-container--narrow {
  max-width: var(--qfc-container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

.qfc-section--dark {
  background: var(--qfc-space);
  color: var(--qfc-text-dark);
}

.qfc-section--dark-alt {
  background: var(--qfc-space-alt);
  color: var(--qfc-text-dark);
}

.qfc-section--light {
  background: var(--qfc-surface);
  color: var(--qfc-text-light);
}

.qfc-section--light-alt {
  background: var(--qfc-surface-alt);
  color: var(--qfc-text-light);
}

.qfc-section-pad {
  padding-top: var(--qfc-section-v);
  padding-bottom: var(--qfc-section-v);
}

.qfc-eyebrow {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--qfc-calibrate);
  margin-bottom: 16px;
  display: block;
}

.qfc-section--light .qfc-eyebrow,
.qfc-section--light-alt .qfc-eyebrow {
  color: #2535B0;
}

.qfc-section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  margin-bottom: 20px;
}

.qfc-section-lead {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.7;
  max-width: 640px;
}

.qfc-section--dark .qfc-section-lead,
.qfc-section--dark-alt .qfc-section-lead {
  color: var(--qfc-muted-dark);
}

.qfc-section--light .qfc-section-lead,
.qfc-section--light-alt .qfc-section-lead {
  color: var(--qfc-muted-light);
}

.qfc-centered { text-align: center; }
.qfc-centered .qfc-section-lead { margin: 0 auto; }


.qfc-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--qfc-radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, opacity 0.2s;
  text-decoration: none;
  line-height: 1;
}

.qfc-btn--primary {
  background: #3A58E8;
  color: #fff;
  border-color: #3A58E8;
}

.qfc-btn--primary:hover { background: #3b5fef; border-color: #3b5fef; }

.qfc-btn--outline-dark {
  background: transparent;
  color: var(--qfc-text-dark);
  border-color: var(--qfc-border-dark);
}

.qfc-btn--outline-dark:hover {
  border-color: var(--qfc-link-dark);
  color: var(--qfc-link-dark);
}

.qfc-btn--outline-light {
  background: transparent;
  color: var(--qfc-text-light);
  border-color: var(--qfc-border-light);
}

.qfc-btn--outline-light:hover {
  border-color: var(--qfc-accent);
  color: var(--qfc-accent);
}

.qfc-btn--ghost-on-dark {
  background: transparent;
  color: var(--qfc-muted-dark);
  border-color: transparent;
}

.qfc-btn--ghost-on-dark:hover { color: var(--qfc-text-dark); }

.qfc-btn--ghost-on-light {
  background: transparent;
  color: var(--qfc-muted-light);
  border-color: transparent;
}

.qfc-btn--ghost-on-light:hover { color: var(--qfc-text-light); }

.qfc-btn-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}


.qfc-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--qfc-nav-h);
  transition: background 0.3s, box-shadow 0.3s;
}

.qfc-nav__inner {
  max-width: var(--qfc-container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.qfc-nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.qfc-nav__logo img {
  height: 28px;
  width: auto;
}

.qfc-nav__logo--light { display: block; }
.qfc-nav__logo--dark { display: none; }

.qfc-page--light-top .qfc-nav__logo--light { display: none; }
.qfc-page--light-top .qfc-nav__logo--dark { display: block; }

.qfc-nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.qfc-nav__links a {
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.qfc-nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.qfc-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.qfc-nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  transition: background 0.2s, transform 0.3s, opacity 0.3s;
}

.qfc-page--dark-top .qfc-nav {
  background: transparent;
}

.qfc-page--dark-top .qfc-nav__links a {
  color: var(--qfc-muted-dark);
}

.qfc-page--dark-top .qfc-nav__links a:hover,
.qfc-page--dark-top .qfc-nav__links a.qfc-nav--active {
  color: var(--qfc-text-dark);
  background: rgba(255,255,255,0.06);
}

.qfc-page--dark-top .qfc-nav__hamburger span { background: var(--qfc-text-dark); }

.qfc-page--light-top .qfc-nav {
  background: var(--qfc-surface);
  box-shadow: 0 1px 0 var(--qfc-border-light);
}

.qfc-page--light-top .qfc-nav__links a {
  color: var(--qfc-muted-light);
}

.qfc-page--light-top .qfc-nav__links a:hover,
.qfc-page--light-top .qfc-nav__links a.qfc-nav--active {
  color: var(--qfc-text-light);
  background: rgba(0,0,0,0.05);
}

.qfc-page--light-top .qfc-nav__hamburger span { background: var(--qfc-text-light); }

.qfc-page--light-top .qfc-nav__actions .qfc-btn--ghost-on-dark {
  color: var(--qfc-muted-light);
}

.qfc-page--light-top .qfc-nav__actions .qfc-btn--ghost-on-dark:hover {
  color: var(--qfc-text-light);
}

.qfc-nav--scrolled {
  background: var(--qfc-space) !important;
  box-shadow: 0 1px 0 var(--qfc-border-dark) !important;
}

.qfc-nav--scrolled .qfc-nav__links a {
  color: var(--qfc-muted-dark) !important;
}

.qfc-nav--scrolled .qfc-nav__links a:hover,
.qfc-nav--scrolled .qfc-nav__links a.qfc-nav--active {
  color: var(--qfc-text-dark) !important;
  background: rgba(255,255,255,0.06) !important;
}

.qfc-nav--scrolled .qfc-nav__hamburger span {
  background: var(--qfc-text-dark) !important;
}

.qfc-nav--scrolled .qfc-nav__actions .qfc-btn--ghost-on-dark {
  color: var(--qfc-muted-dark) !important;
}

.qfc-nav--scrolled .qfc-nav__logo--dark { display: none !important; }
.qfc-nav--scrolled .qfc-nav__logo--light { display: block !important; }

.qfc-nav__mobile {
  display: none;
  position: fixed;
  top: var(--qfc-nav-h);
  left: 0;
  right: 0;
  background: var(--qfc-space);
  border-top: 1px solid var(--qfc-border-dark);
  padding: 16px 24px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}

.qfc-nav__mobile.qfc-nav-open { display: flex; }

.qfc-nav__mobile a {
  font-size: 15px;
  font-weight: 500;
  color: var(--qfc-muted-dark);
  padding: 10px 12px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.qfc-nav__mobile a:hover { color: var(--qfc-text-dark); background: rgba(255,255,255,0.06); }

.qfc-nav__mobile .qfc-btn--primary { margin-top: 8px; width: 100%; justify-content: center; }


#qfc-hero {
  background-image: linear-gradient(rgba(6,9,18,0.78), rgba(6,9,18,0.78)), url('../images/hero-vacuum-chamber.webp');
  background-size: cover;
  background-position: center;
}

.qfc-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--qfc-nav-h);
  padding-bottom: 80px;
}

.qfc-hero__inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.qfc-hero__h1 {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--qfc-text-dark);
  margin-bottom: 24px;
}

.qfc-hero__h1 em {
  font-style: normal;
  color: var(--qfc-link-dark);
}

.qfc-hero__sub {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 400;
  line-height: 1.65;
  color: var(--qfc-muted-dark);
  max-width: 620px;
  margin: 0 auto 36px;
}

.qfc-hero__actions { justify-content: center; margin-bottom: 64px; }

.qfc-hero__visual {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}


.qfc-atom-svg {
  width: 100%;
  height: auto;
}

.qfc-atom-svg .atom-dot {
  fill: var(--qfc-accent);
  opacity: 0.85;
}

.qfc-atom-svg .atom-glow {
  fill: var(--qfc-accent);
  opacity: 0.15;
}

@keyframes qfc-atom-pulse {
  0%, 100% { opacity: 0.6; r: 3; }
  50% { opacity: 1; r: 4; }
}

@keyframes qfc-scan-sweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(1600%); }
}

@keyframes qfc-calibrate-flash {
  0%, 100% { fill: var(--qfc-accent); opacity: 0.85; }
  50% { fill: var(--qfc-calibrate); opacity: 1; }
}

.qfc-atom-dot--anim {
  animation: qfc-atom-pulse 2s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .qfc-atom-dot--anim { animation: none; }
  .qfc-scan-line { display: none; }
}


.qfc-subpage-hero {
  padding-top: calc(var(--qfc-nav-h) + 80px);
  padding-bottom: 80px;
}

.qfc-subpage-hero__inner {
  max-width: var(--qfc-container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 48px;
}

.qfc-subpage-hero--centered .qfc-subpage-hero__inner {
  grid-template-columns: 1fr;
  text-align: center;
}

.qfc-subpage-hero__h1 {
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.qfc-section--dark .qfc-subpage-hero__h1,
.qfc-section--dark-alt .qfc-subpage-hero__h1 {
  color: var(--qfc-text-dark);
}

.qfc-section--light .qfc-subpage-hero__h1,
.qfc-section--light-alt .qfc-subpage-hero__h1 {
  color: var(--qfc-text-light);
}

.qfc-subpage-hero__sub {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.7;
  max-width: 560px;
}

.qfc-section--dark .qfc-subpage-hero__sub,
.qfc-section--dark-alt .qfc-subpage-hero__sub {
  color: var(--qfc-muted-dark);
}

.qfc-section--light .qfc-subpage-hero__sub,
.qfc-section--light-alt .qfc-subpage-hero__sub {
  color: var(--qfc-muted-light);
}

.qfc-subpage-hero--centered .qfc-subpage-hero__sub { margin: 0 auto; }

.qfc-hero-stat-cluster {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 180px;
}

.qfc-hero-stat {
  background: rgba(76, 111, 255, 0.08);
  border: 1px solid var(--qfc-border-dark);
  border-radius: var(--qfc-radius);
  padding: 16px 20px;
  text-align: center;
}

.qfc-hero-stat__value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 28px;
  font-weight: 400;
  color: var(--qfc-calibrate);
  display: block;
}

.qfc-hero-stat__label {
  font-size: 12px;
  font-weight: 500;
  color: var(--qfc-muted-dark);
  display: block;
  margin-top: 4px;
}


.qfc-problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 60px;
  border-radius: var(--qfc-radius);
  overflow: hidden;
}

.qfc-problem-card {
  background: rgba(255,255,255,0.03);
  padding: 40px 32px;
  border: 1px solid var(--qfc-border-dark);
}

.qfc-problem-card__icon {
  width: 40px;
  height: 40px;
  background: rgba(76, 111, 255, 0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--qfc-accent);
  font-size: 18px;
}

.qfc-problem-card__title {
  font-family: 'Manrope', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--qfc-text-dark);
  margin-bottom: 10px;
}

.qfc-problem-card__text {
  font-size: 15px;
  color: var(--qfc-muted-dark);
  line-height: 1.65;
}


.qfc-platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.qfc-platform-card {
  background: var(--qfc-space-alt);
  border: 1px solid var(--qfc-border-dark);
  border-radius: var(--qfc-radius-lg);
  padding: 32px;
  transition: border-color 0.2s;
}

.qfc-platform-card:hover { border-color: var(--qfc-accent); }

.qfc-platform-card__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--qfc-calibrate);
  margin-bottom: 16px;
  display: block;
}

.qfc-platform-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--qfc-text-dark);
  margin-bottom: 12px;
}

.qfc-platform-card__text {
  font-size: 15px;
  color: var(--qfc-muted-dark);
  line-height: 1.65;
}


.qfc-ai-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 48px;
}

.qfc-ai-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.qfc-ai-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.qfc-ai-feature__icon {
  width: 36px;
  height: 36px;
  background: rgba(76, 111, 255, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--qfc-accent);
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.qfc-ai-feature__title {
  font-family: 'Manrope', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--qfc-text-light);
  margin-bottom: 6px;
}

.qfc-ai-feature__text {
  font-size: 14px;
  color: var(--qfc-muted-light);
  line-height: 1.6;
}

.qfc-ai-diagram {
  background: var(--qfc-space);
  border-radius: var(--qfc-radius-lg);
  border: 1px solid var(--qfc-border-dark);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.qfc-ai-diagram__layer {
  background: rgba(76, 111, 255, 0.08);
  border: 1px solid var(--qfc-border-dark);
  border-radius: 6px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.qfc-ai-diagram__layer-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--qfc-muted-dark);
}

.qfc-ai-diagram__layer-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--qfc-calibrate);
}
.qfc-ai-diagram__layer-val--highlight {
  color: var(--qfc-calibrate);
  font-weight: 700;
}

.qfc-ai-diagram__arrow {
  text-align: center;
  color: var(--qfc-accent);
  font-size: 14px;
}


.qfc-proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 60px;
}

.qfc-metric-card {
  background: var(--qfc-space-alt);
  border: 1px solid var(--qfc-border-dark);
  border-radius: var(--qfc-radius-lg);
  padding: 40px;
  text-align: center;
}

.qfc-metric-card__value {
  font-family: 'Crimson Pro', serif;
  font-size: 64px;
  font-weight: 700;
  color: var(--qfc-calibrate);
  line-height: 1;
  margin-bottom: 8px;
}

.qfc-metric-card__label {
  font-size: 15px;
  color: var(--qfc-muted-dark);
  line-height: 1.5;
}

.qfc-metric-card__note {
  font-size: 12px;
  color: var(--qfc-border-dark);
  margin-top: 12px;
  font-style: italic;
}

.qfc-metric-card__note { color: var(--qfc-muted-dark); opacity: 0.6; }

.qfc-testimonial {
  background: rgba(76, 111, 255, 0.06);
  border: 1px solid var(--qfc-border-dark);
  border-left: 3px solid var(--qfc-accent);
  border-radius: var(--qfc-radius-lg);
  padding: 40px;
  grid-column: span 2;
}

.qfc-testimonial__quote {
  font-family: 'Crimson Pro', serif;
  font-size: 24px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--qfc-text-dark);
  margin-bottom: 20px;
}

.qfc-testimonial__attribution {
  font-size: 13px;
  font-weight: 500;
  color: var(--qfc-muted-dark);
}

.qfc-testimonial__attribution strong {
  color: var(--qfc-link-dark);
}


.qfc-team-compact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.qfc-team-mini {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--qfc-border-dark);
  border-radius: var(--qfc-radius);
  padding: 20px;
}

.qfc-team-mini__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--qfc-border-dark);
}

.qfc-team-mini__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qfc-team-mini__initials {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(76, 111, 255, 0.25);
  color: var(--qfc-text-dark);
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.qfc-team-mini__name {
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--qfc-text-dark);
  margin-bottom: 4px;
}

.qfc-team-mini__role {
  font-size: 12px;
  color: var(--qfc-muted-dark);
}

.qfc-team-link {
  margin-top: 32px;
  text-align: center;
}

.qfc-team-link a {
  color: var(--qfc-link-dark);
  font-size: 14px;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}


.qfc-cta-block {
  text-align: center;
}

.qfc-cta-block__h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: var(--qfc-text-dark);
  margin-bottom: 16px;
}

.qfc-section--light .qfc-cta-block__h2,
.qfc-section--light-alt .qfc-cta-block__h2 {
  color: var(--qfc-text-light);
}

.qfc-cta-block__sub {
  font-size: 18px;
  color: var(--qfc-muted-dark);
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.qfc-section--light .qfc-cta-block__sub {
  color: var(--qfc-muted-light);
}

.qfc-cta-block .qfc-btn-group { justify-content: center; }


.qfc-footer {
  background: var(--qfc-space);
  border-top: 1px solid var(--qfc-border-dark);
  padding: 64px 0 32px;
}

.qfc-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.qfc-footer__brand-logo {
  margin-bottom: 16px;
}

.qfc-footer__brand-logo img {
  height: 24px;
  width: auto;
}

.qfc-footer__brand-desc {
  font-size: 14px;
  color: var(--qfc-muted-dark);
  line-height: 1.65;
  margin-bottom: 16px;
  max-width: 280px;
}

.qfc-footer__address {
  font-size: 13px;
  color: var(--qfc-muted-dark);
  line-height: 1.7;
  font-style: normal;
}

.qfc-footer__address a {
  color: var(--qfc-link-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.qfc-footer__col-title {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--qfc-muted-dark);
  margin-bottom: 16px;
}

.qfc-footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.qfc-footer__links a {
  font-size: 14px;
  color: var(--qfc-muted-dark);
  transition: color 0.2s;
}

.qfc-footer__links a:hover { color: var(--qfc-text-dark); }

.qfc-footer__bottom {
  border-top: 1px solid var(--qfc-border-dark);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.qfc-footer__copy {
  font-size: 13px;
  color: var(--qfc-muted-dark);
}

.qfc-footer__legal-links {
  display: flex;
  gap: 20px;
}

.qfc-footer__legal-links a {
  font-size: 13px;
  color: var(--qfc-muted-dark);
  transition: color 0.2s;
}

.qfc-footer__legal-links a:hover { color: var(--qfc-text-dark); }


.qfc-tech-arch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  margin-top: 60px;
}

.qfc-tech-arch__img {
  border-radius: var(--qfc-radius-lg);
  overflow: hidden;
  border: 1px solid var(--qfc-border-dark);
}

.qfc-tech-arch__img img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3/2;
}

.qfc-tech-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.qfc-tech-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--qfc-muted-dark);
  line-height: 1.6;
}

.qfc-tech-bullets li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--qfc-calibrate);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

.qfc-specs-table-wrap {
  margin-top: 48px;
  overflow-x: auto;
}

.qfc-specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.qfc-specs-table th {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--qfc-muted-light);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 2px solid var(--qfc-border-light);
}

.qfc-specs-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--qfc-border-light);
  vertical-align: top;
}

.qfc-specs-table td:first-child {
  font-weight: 600;
  color: var(--qfc-text-light);
  width: 35%;
}

.qfc-specs-table td:nth-child(2) {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--qfc-accent);
}

.qfc-specs-table td:last-child {
  color: var(--qfc-muted-light);
  font-size: 13px;
}

.qfc-specs-table tbody tr:last-child td { border-bottom: none; }

.qfc-section--dark .qfc-specs-table,
.qfc-section--dark-alt .qfc-specs-table { border-color: var(--qfc-border-dark); }

.qfc-section--dark .qfc-specs-table th,
.qfc-section--dark-alt .qfc-specs-table th {
  color: var(--qfc-muted-dark);
  border-bottom-color: var(--qfc-border-dark);
}

.qfc-section--dark .qfc-specs-table td,
.qfc-section--dark-alt .qfc-specs-table td {
  border-bottom-color: var(--qfc-border-dark);
}

.qfc-section--dark .qfc-specs-table td:first-child,
.qfc-section--dark-alt .qfc-specs-table td:first-child {
  color: var(--qfc-text-dark);
}

.qfc-section--dark .qfc-specs-table td:last-child,
.qfc-section--dark-alt .qfc-specs-table td:last-child {
  color: var(--qfc-muted-dark);
}

.qfc-section--dark .qfc-specs-table caption,
.qfc-section--dark-alt .qfc-specs-table caption {
  color: var(--qfc-muted-dark);
}

.qfc-specs-table caption {
  font-size: 12px;
  color: var(--qfc-muted-light);
  text-align: right;
  padding: 8px 0;
  font-style: italic;
}

.qfc-roadmap {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 60px;
  position: relative;
}

.qfc-roadmap::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--qfc-border-dark);
}

.qfc-roadmap-item {
  display: flex;
  gap: 24px;
  padding-bottom: 40px;
  position: relative;
}

.qfc-roadmap-item:last-child { padding-bottom: 0; }

.qfc-roadmap-item__dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--qfc-space-alt);
  border: 2px solid var(--qfc-border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.qfc-roadmap-item--active .qfc-roadmap-item__dot {
  border-color: var(--qfc-calibrate);
  background: rgba(0, 200, 140, 0.1);
}

.qfc-roadmap-item__dot i { font-size: 14px; color: var(--qfc-muted-dark); }
.qfc-roadmap-item--active .qfc-roadmap-item__dot i { color: var(--qfc-calibrate); }

.qfc-roadmap-item__content { padding-top: 8px; }

.qfc-roadmap-item__phase {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--qfc-accent);
  margin-bottom: 6px;
  display: block;
}

.qfc-roadmap-item__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--qfc-text-dark);
  margin-bottom: 8px;
}

.qfc-roadmap-item__text {
  font-size: 14px;
  color: var(--qfc-muted-dark);
  line-height: 1.65;
}


.qfc-research-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 48px;
}

.qfc-research-item {
  background: var(--qfc-surface-alt);
  border: 1px solid var(--qfc-border-light);
  border-radius: var(--qfc-radius-lg);
  padding: 32px;
  transition: border-color 0.2s;
}

.qfc-research-item:hover { border-color: var(--qfc-accent); }

.qfc-research-item__cat {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #2535B0;
  margin-bottom: 10px;
  display: block;
}

.qfc-research-item__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--qfc-text-light);
  margin-bottom: 10px;
}

.qfc-research-item__text {
  font-size: 15px;
  color: var(--qfc-muted-light);
  line-height: 1.65;
}


.qfc-team-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 60px;
}

.qfc-team-card {
  text-align: center;
}

.qfc-team-card__avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 20px;
  background: var(--qfc-border-dark);
  border: 2px solid var(--qfc-border-dark);
}

.qfc-team-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qfc-team-card__initials {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(76, 111, 255, 0.25);
  color: var(--qfc-text-dark);
  font-size: 32px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.qfc-team-card__name {
  font-size: 20px;
  font-weight: 700;
  color: var(--qfc-text-dark);
  margin-bottom: 4px;
}

.qfc-team-card__role {
  font-size: 13px;
  font-weight: 500;
  color: var(--qfc-calibrate);
  margin-bottom: 16px;
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.qfc-team-card__bio {
  font-size: 14px;
  color: var(--qfc-muted-dark);
  line-height: 1.65;
  text-align: left;
}


.qfc-approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.qfc-approach-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--qfc-border-dark);
  border-radius: var(--qfc-radius-lg);
  padding: 32px;
}

.qfc-approach-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(76, 111, 255, 0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--qfc-accent);
  font-size: 20px;
  margin-bottom: 20px;
}

.qfc-approach-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--qfc-text-dark);
  margin-bottom: 10px;
}

.qfc-approach-card__text {
  font-size: 14px;
  color: var(--qfc-muted-dark);
  line-height: 1.65;
}


.qfc-contact-form-section {
  max-width: 640px;
  margin: 0 auto;
}

.qfc-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}

.qfc-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.qfc-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.qfc-form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--qfc-muted-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.qfc-form-group input,
.qfc-form-group select,
.qfc-form-group textarea {
  font-family: 'Manrope', sans-serif;
  font-size: 15px;
  padding: 12px 16px;
  border: 1.5px solid var(--qfc-border-light);
  border-radius: var(--qfc-radius);
  background: #fff;
  color: var(--qfc-text-light);
  transition: border-color 0.2s;
  outline: none;
  resize: vertical;
}

.qfc-form-group input:focus,
.qfc-form-group select:focus,
.qfc-form-group textarea:focus {
  border-color: var(--qfc-accent);
}

.qfc-form-group textarea { min-height: 120px; }

.qfc-form__success {
  background: rgba(0, 200, 140, 0.08);
  border: 1px solid var(--qfc-calibrate);
  border-radius: var(--qfc-radius);
  padding: 24px;
  text-align: center;
  color: var(--qfc-text-light);
  display: none;
}

.qfc-form__success p { font-size: 15px; color: var(--qfc-muted-light); margin-top: 8px; }

.qfc-contact-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}

.qfc-contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.qfc-contact-info-item__icon {
  width: 40px;
  height: 40px;
  background: rgba(76, 111, 255, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--qfc-accent);
  font-size: 16px;
  flex-shrink: 0;
}

.qfc-contact-info-item__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--qfc-muted-light);
  margin-bottom: 4px;
  display: block;
}

.qfc-contact-info-item__value {
  font-size: 15px;
  color: var(--qfc-text-light);
  line-height: 1.5;
}

.qfc-contact-info-item__value a {
  color: var(--qfc-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}


.qfc-blog-listing-section {
  padding-top: 60px;
  padding-bottom: var(--qfc-section-v);
}

.qfc-blog-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--qfc-surface-alt);
  border: 1px solid var(--qfc-border-light);
  border-radius: var(--qfc-radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
  transition: border-color 0.2s;
}

.qfc-blog-featured:hover { border-color: var(--qfc-accent); }

.qfc-blog-featured__img {
  height: 320px;
  overflow: hidden;
}

.qfc-blog-featured__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qfc-blog-featured__content { padding: 40px 40px 40px 0; }

.qfc-blog-featured__cat {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #2535B0;
  margin-bottom: 12px;
  display: block;
}

.qfc-blog-featured__title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--qfc-text-light);
  margin-bottom: 12px;
  line-height: 1.2;
}

.qfc-blog-featured__excerpt {
  font-size: 15px;
  color: var(--qfc-muted-light);
  line-height: 1.65;
  margin-bottom: 20px;
}

.qfc-blog-featured__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--qfc-muted-light);
}

.qfc-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.qfc-blog-card {
  display: flex;
  flex-direction: column;
  background: var(--qfc-surface);
  border: 1px solid var(--qfc-border-light);
  border-radius: var(--qfc-radius-lg);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
  text-decoration: none;
  color: inherit;
}

.qfc-blog-card:hover {
  border-color: var(--qfc-accent);
  transform: translateY(-2px);
}

.qfc-blog-card__img {
  height: 180px;
  overflow: hidden;
}

.qfc-blog-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.qfc-blog-card:hover .qfc-blog-card__img img { transform: scale(1.03); }

.qfc-blog-card__body { padding: 20px; flex: 1; display: flex; flex-direction: column; }

.qfc-blog-card__cat {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #2535B0;
  margin-bottom: 8px;
  display: block;
}

.qfc-blog-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--qfc-text-light);
  margin-bottom: 10px;
  line-height: 1.3;
  flex: 1;
}

.qfc-blog-card__excerpt {
  font-size: 13px;
  color: var(--qfc-muted-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.qfc-blog-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--qfc-muted-light);
  border-top: 1px solid var(--qfc-border-light);
  padding-top: 12px;
  margin-top: auto;
}


.qfc-article-hero-section {
  padding-top: calc(var(--qfc-nav-h) + 60px);
  padding-bottom: 48px;
}

.qfc-article-hero__inner {
  max-width: var(--qfc-container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

.qfc-article-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--qfc-accent);
  margin-bottom: 24px;
  text-decoration: none;
  transition: gap 0.2s;
}

.qfc-article-hero__back:hover { gap: 12px; color: var(--qfc-accent); }

.qfc-article-hero__cat {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--qfc-accent);
  margin-bottom: 16px;
  display: block;
}

.qfc-article-hero__h1 {
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 700;
  color: var(--qfc-text-light);
  margin-bottom: 16px;
  line-height: 1.15;
}

.qfc-article-hero__sub {
  font-size: 18px;
  color: var(--qfc-muted-light);
  line-height: 1.65;
  margin-bottom: 24px;
}

.qfc-article-hero__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--qfc-muted-light);
  flex-wrap: wrap;
}

.qfc-article-hero__meta .sep { color: var(--qfc-border-light); }

.qfc-article-cover {
  width: 100%;
  max-width: var(--qfc-container-narrow);
  margin: 0 auto 0;
  padding: 0 24px;
}

.qfc-article-cover img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--qfc-radius-lg);
  display: block;
  max-width: 100%;
}

.qfc-article-body-section {
  padding-top: 48px;
  padding-bottom: 64px;
}

.qfc-article-body__inner {
  max-width: var(--qfc-container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

.qfc-article-prose h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--qfc-text-light);
  margin: 40px 0 16px;
}

.qfc-article-prose h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--qfc-text-light);
  margin: 32px 0 12px;
}

.qfc-article-prose p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--qfc-muted-light);
  margin-bottom: 20px;
}

.qfc-article-prose p:first-child { color: var(--qfc-text-light); }

.qfc-article-prose ul, .qfc-article-prose ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.qfc-article-prose li {
  font-size: 16px;
  line-height: 1.7;
  color: var(--qfc-muted-light);
  margin-bottom: 6px;
}

.qfc-article-prose code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  background: var(--qfc-surface-alt);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--qfc-accent);
}

.qfc-article-prose blockquote {
  border-left: 3px solid var(--qfc-accent);
  padding: 16px 20px;
  background: var(--qfc-surface-alt);
  border-radius: 0 var(--qfc-radius) var(--qfc-radius) 0;
  margin: 24px 0;
}

.qfc-article-prose blockquote p {
  margin-bottom: 0;
  font-style: italic;
  color: var(--qfc-muted-light);
}

.qfc-article-cta-section {
  padding: 80px 0;
}

.qfc-article-cta__inner {
  max-width: var(--qfc-container);
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.qfc-article-cta__h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--qfc-text-dark);
  margin-bottom: 12px;
}

.qfc-article-cta__sub {
  font-size: 17px;
  color: var(--qfc-muted-dark);
  margin-bottom: 28px;
}

.qfc-article-cta__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--qfc-link-dark);
  font-size: 14px;
  font-weight: 500;
  margin-top: 16px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.qfc-article-cta__back:hover { color: var(--qfc-text-dark); }


.qfc-auth-page {
  min-height: 100vh;
  background: var(--qfc-space);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.qfc-auth-card {
  background: #fff;
  border: 1px solid var(--qfc-border-light);
  border-radius: var(--qfc-radius-lg);
  padding: 48px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.qfc-auth-card__logo {
  margin: 0 auto 32px;
  text-align: center;
}

.qfc-auth-card__logo img {
  height: 28px;
  width: auto;
  display: inline-block;
}

.qfc-auth-card__title {
  font-size: 26px;
  font-weight: 700;
  color: var(--qfc-text-light);
  margin-bottom: 6px;
  text-align: center;
}

.qfc-auth-card__sub {
  font-size: 14px;
  color: var(--qfc-muted-light);
  text-align: center;
  margin-bottom: 32px;
  line-height: 1.55;
}

.qfc-auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.qfc-auth-form .qfc-form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--qfc-muted-light);
  text-transform: none;
  letter-spacing: 0;
}

.qfc-auth-form .qfc-form-group input {
  background: var(--qfc-surface);
}

.qfc-auth-submit {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
  padding: 14px;
}

.qfc-auth-card__links {
  text-align: center;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.qfc-auth-card__links a {
  font-size: 13px;
  color: #2535B0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.qfc-auth-card__links a:hover { color: var(--qfc-text-light); }

.qfc-auth-card__legal {
  text-align: center;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--qfc-border-light);
  font-size: 12px;
  color: var(--qfc-muted-light);
  line-height: 1.6;
}

.qfc-auth-card__legal a {
  color: #2535B0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.qfc-auth-error {
  background: #fff3f3;
  border: 1px solid #e53e3e;
  border-radius: var(--qfc-radius);
  padding: 10px 14px;
  font-size: 13px;
  color: #c53030;
  display: none;
}

.qfc-auth-confirm {
  text-align: center;
  padding: 16px 0;
  display: none;
}

.qfc-auth-confirm__icon {
  font-size: 40px;
  color: var(--qfc-calibrate);
  margin-bottom: 16px;
}

.qfc-auth-confirm__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--qfc-text-light);
  margin-bottom: 10px;
}

.qfc-auth-confirm__text {
  font-size: 14px;
  color: var(--qfc-muted-light);
  line-height: 1.6;
}


.qfc-legal-content-area {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

.qfc-legal-content-area h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--qfc-text-light);
  margin-bottom: 8px;
}

.qfc-legal-content-area .qfc-legal-updated {
  font-size: 13px;
  color: var(--qfc-muted-light);
  margin-bottom: 48px;
  display: block;
}

.qfc-legal-content-area h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--qfc-text-light);
  margin: 36px 0 12px;
}

.qfc-legal-content-area p, .qfc-legal-content-area li {
  font-size: 15px;
  color: var(--qfc-muted-light);
  line-height: 1.75;
  margin-bottom: 14px;
}

.qfc-legal-content-area ul, .qfc-legal-content-area ol {
  padding-left: 24px;
  margin-bottom: 16px;
}


.qfc-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.qfc-fade-in.qfc-visible {
  opacity: 1;
  transform: translateY(0);
}


.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--qfc-space-alt);
  border-top: 1px solid var(--qfc-border-dark);
  z-index: 9999;
  padding: 16px 0;
}

.cookie-banner__inner {
  max-width: var(--qfc-container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner__text {
  font-size: 14px;
  color: var(--qfc-muted-dark);
  flex: 1;
  min-width: 200px;
}

.cookie-banner__text a {
  color: var(--qfc-link-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner__actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.cookie-banner__btn {
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  border: 1.5px solid transparent;
}

.cookie-banner__btn--primary {
  background: #3552CC;
  color: #fff;
  border-color: #3552CC;
}

.cookie-banner__btn--primary:hover { background: #2b44a8; border-color: #2b44a8; }

.cookie-banner__btn--secondary {
  background: transparent;
  color: var(--qfc-muted-dark);
  border-color: var(--qfc-border-dark);
}

.cookie-banner__btn--secondary:hover { color: var(--qfc-text-dark); border-color: var(--qfc-muted-dark); }


@media (max-width: 900px) {
  .qfc-nav__links, .qfc-nav__actions .qfc-btn { display: none; }
  .qfc-nav__hamburger { display: flex; }

  .qfc-problem-grid { grid-template-columns: 1fr; }
  .qfc-platform-grid { grid-template-columns: 1fr; }
  .qfc-ai-layout { grid-template-columns: 1fr; gap: 40px; }
  .qfc-proof-grid { grid-template-columns: 1fr; }
  .qfc-testimonial { grid-column: span 1; }
  .qfc-team-compact-grid { grid-template-columns: 1fr; }
  .qfc-tech-arch { grid-template-columns: 1fr; }
  .qfc-approach-grid { grid-template-columns: 1fr; }
  .qfc-contact-info-grid { grid-template-columns: 1fr; }
  .qfc-blog-featured { grid-template-columns: 1fr; }
  .qfc-blog-featured__content { padding: 24px; }
  .qfc-blog-featured__img { height: 220px; }
  .qfc-blog-grid { grid-template-columns: 1fr 1fr; }
  .qfc-team-full-grid { grid-template-columns: 1fr 1fr; }
  .qfc-footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .qfc-subpage-hero__inner { grid-template-columns: 1fr; }
  .qfc-hero-stat-cluster { flex-direction: row; flex-wrap: wrap; }
  .qfc-form-row { grid-template-columns: 1fr; }
}

.qfc-auth-screen {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qfc-auth-logo {
  display: block;
  text-align: center;
  margin: 0 auto 32px;
}

.qfc-auth-logo img {
  height: 28px;
  width: auto;
  display: inline-block;
}

.qfc-auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.qfc-auth-field-row {
  display: flex;
  justify-content: flex-end;
}

.qfc-auth-label {
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--qfc-muted-light);
  letter-spacing: 0;
}

.qfc-auth-input {
  font-family: 'Manrope', sans-serif;
  font-size: 15px;
  color: var(--qfc-text-light);
  background: var(--qfc-surface);
  border: 1.5px solid var(--qfc-border-light);
  border-radius: var(--qfc-radius);
  padding: 10px 14px;
  width: 100%;
  transition: border-color 0.2s;
  outline: none;
}

.qfc-auth-input:focus { border-color: var(--qfc-accent); box-shadow: 0 0 0 3px rgba(76,111,255,0.12); }

.qfc-auth-link {
  font-size: 13px;
  color: #2535B0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.qfc-auth-link:hover { color: var(--qfc-text-light); }

.qfc-auth-card__footer-note {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--qfc-muted-light);
}

@media (max-width: 600px) {
  :root {
    --qfc-section-v: var(--qfc-section-v-mob);
  }

  .qfc-blog-grid { grid-template-columns: 1fr; }
  .qfc-team-full-grid { grid-template-columns: 1fr; }
  .qfc-contact-info-grid { grid-template-columns: 1fr; }
  .qfc-hero__h1 { font-size: 32px; }
  .qfc-auth-card { padding: 32px 24px; }
  .cookie-banner__inner { flex-direction: column; align-items: flex-start; }
}

.qfc-subhero {
  padding-top: calc(var(--qfc-nav-h) + 80px);
  padding-bottom: 80px;
}

.qfc-subhero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.qfc-subhero__inner--centered {
  display: block;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.qfc-subhero__text { display: flex; flex-direction: column; }

.qfc-subhero__h1 {
  font-size: clamp(30px, 4.5vw, 52px);
  font-weight: 700;
  color: var(--qfc-text-dark);
  margin-bottom: 20px;
  line-height: 1.15;
}

.qfc-subhero__sub {
  font-size: 18px;
  color: var(--qfc-muted-dark);
  line-height: 1.65;
  max-width: 560px;
}

.qfc-subhero__inner--centered .qfc-subhero__sub {
  max-width: 100%;
  margin: 0 auto;
}

.qfc-subhero__stat-cluster {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.qfc-stat-chip {
  background: var(--qfc-space-alt);
  border: 1px solid var(--qfc-border-dark);
  border-radius: var(--qfc-radius-lg);
  padding: 20px 28px;
}

.qfc-stat-chip__value {
  display: block;
  font-size: 36px;
  font-weight: 700;
  color: var(--qfc-calibrate);
  font-family: 'Crimson Pro', Georgia, serif;
  line-height: 1;
  margin-bottom: 6px;
}

.qfc-stat-chip__label {
  display: block;
  font-size: 13px;
  color: var(--qfc-muted-dark);
  font-weight: 500;
}

.qfc-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(37, 53, 176, 0.1);
  color: #2535B0;
  border: 1px solid rgba(37, 53, 176, 0.2);
}

.qfc-section--dark .qfc-tag,
.qfc-section--dark-alt .qfc-tag {
  background: rgba(76, 111, 255, 0.15);
  color: var(--qfc-link-dark);
  border-color: rgba(76, 111, 255, 0.3);
}
.qfc-research-item .qfc-tag,
.qfc-blog-card .qfc-tag,
.qfc-blog-featured .qfc-tag {
  background: rgba(37, 53, 176, 0.1);
  color: #2535B0;
  border-color: rgba(37, 53, 176, 0.2);
}

.qfc-tech-detail-list {
  list-style: none;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.qfc-tech-detail-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--qfc-border-dark);
  font-size: 14px;
}

.qfc-tech-detail-list li:last-child { border-bottom: none; }

.qfc-tech-detail-list__label {
  color: var(--qfc-muted-dark);
}

.qfc-tech-detail-list__val {
  color: var(--qfc-text-dark);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  text-align: right;
}

.qfc-tech-arch__figure {
  border-radius: var(--qfc-radius-lg);
  overflow: hidden;
}

.qfc-tech-arch__figure img {
  width: 100%;
  height: auto;
  display: block;
}

.qfc-rydberg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.qfc-rydberg-card {
  background: var(--qfc-space-alt);
  border: 1px solid var(--qfc-border-dark);
  border-radius: var(--qfc-radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.2s;
}

.qfc-rydberg-card:hover { border-color: var(--qfc-accent); }

.qfc-rydberg-card__metric {
  font-size: 40px;
  font-weight: 700;
  color: var(--qfc-calibrate);
  font-family: 'Crimson Pro', Georgia, serif;
  line-height: 1;
  margin-bottom: 8px;
}

.qfc-rydberg-card__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--qfc-text-dark);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.qfc-rydberg-card__text {
  font-size: 14px;
  color: var(--qfc-muted-dark);
  line-height: 1.6;
}

.qfc-specs-wrap { margin-top: 48px; }

.qfc-table-scroll { overflow-x: auto; }

.qfc-specs-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--qfc-muted-dark);
  text-align: right;
}

.qfc-roadmap-item--done .qfc-roadmap-item__marker {
  background: var(--qfc-calibrate);
  color: var(--qfc-space);
  border-color: var(--qfc-calibrate);
}

.qfc-roadmap-item__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--qfc-calibrate);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.qfc-roadmap-item__marker {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--qfc-border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--qfc-muted-dark);
  flex-shrink: 0;
  font-size: 14px;
  background: var(--qfc-space-alt);
}

.qfc-about-mission {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.qfc-prose {
  font-size: 16px;
  color: var(--qfc-text-dark);
  line-height: 1.75;
}

.qfc-section--light .qfc-prose,
.qfc-section--light-alt .qfc-prose {
  color: var(--qfc-text-light);
}

.qfc-about-origin {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.qfc-about-origin__card {
  background: var(--qfc-space);
  border: 1px solid var(--qfc-border-dark);
  border-radius: var(--qfc-radius);
  padding: 20px 24px;
  border-left: 3px solid var(--qfc-calibrate);
}

.qfc-about-origin__year {
  font-size: 13px;
  font-weight: 700;
  color: var(--qfc-calibrate);
  margin-bottom: 8px;
  font-family: 'JetBrains Mono', monospace;
}

.qfc-about-origin__text {
  font-size: 14px;
  color: var(--qfc-muted-dark);
  line-height: 1.6;
}

.qfc-pub-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 40px;
}

.qfc-pub-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 0;
  border-bottom: 1px solid var(--qfc-border-dark);
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.2s;
}

.qfc-pub-item:first-child { border-top: 1px solid var(--qfc-border-dark); }
.qfc-pub-item:hover { padding-left: 8px; }

.qfc-pub-item__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--qfc-muted-dark);
}

.qfc-pub-item__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--qfc-text-dark);
  line-height: 1.3;
}

.qfc-pub-item:hover .qfc-pub-item__title { color: var(--qfc-link-dark); }

.qfc-pub-item__author {
  font-size: 13px;
  color: var(--qfc-muted-dark);
}

.qfc-contact-section { min-height: 80vh; display: flex; align-items: center; }

.qfc-contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.qfc-contact-intro { padding-top: 16px; }

.qfc-contact-form-wrap { padding-top: 8px; }

.qfc-contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--qfc-border-light);
}

.qfc-contact-info-card:first-child { border-top: 1px solid var(--qfc-border-light); }

.qfc-contact-info-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(37, 53, 176, 0.08);
  color: #2535B0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.qfc-contact-info-card__label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--qfc-muted-light);
  margin-bottom: 4px;
}

.qfc-contact-info-card__val {
  font-size: 15px;
  color: var(--qfc-text-light);
  font-style: normal;
  text-decoration: none;
  line-height: 1.5;
}

a.qfc-contact-info-card__val:hover { color: #2535B0; text-decoration: underline; }

.qfc-form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--qfc-muted-light);
  margin-bottom: 6px;
}

.qfc-form-input {
  display: block;
  width: 100%;
  font-family: 'Manrope', sans-serif;
  font-size: 15px;
  color: var(--qfc-text-light);
  background: var(--qfc-surface);
  border: 1.5px solid var(--qfc-border-light);
  border-radius: var(--qfc-radius);
  padding: 10px 14px;
  transition: border-color 0.2s;
  outline: none;
}

.qfc-form-input:focus { border-color: #2535B0; box-shadow: 0 0 0 3px rgba(37,53,176,0.10); }

.qfc-form-select { cursor: pointer; }

.qfc-form-textarea { resize: vertical; min-height: 120px; }

.qfc-form-submit {
  margin-top: 8px;
  width: 100%;
}

.qfc-form-success {
  display: none;
  align-items: flex-start;
  gap: 16px;
  background: rgba(0, 200, 140, 0.1);
  border: 1px solid rgba(0, 200, 140, 0.3);
  border-radius: var(--qfc-radius);
  padding: 20px;
  font-size: 15px;
  color: var(--qfc-text-light);
  margin-top: 16px;
}

.qfc-form-success i { color: var(--qfc-calibrate); font-size: 20px; margin-top: 2px; }

.qfc-article-hero {
  padding-top: calc(var(--qfc-nav-h) + 60px);
  padding-bottom: 40px;
}

.qfc-article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: #2535B0;
  text-decoration: none;
  margin-bottom: 24px;
  transition: gap 0.2s;
}

.qfc-section--dark .qfc-article-back,
.qfc-section--dark-alt .qfc-article-back {
  color: var(--qfc-link-dark);
}

.qfc-article-back:hover { gap: 12px; }

.qfc-article-hero__lede {
  font-size: 19px;
  color: var(--qfc-muted-light);
  line-height: 1.65;
  margin-top: 16px;
  max-width: 640px;
}

.qfc-article-hero__author {
  font-size: 13px;
  color: var(--qfc-muted-light);
  font-weight: 500;
}

.qfc-article-body {
  padding-top: 48px;
  padding-bottom: 80px;
}

.qfc-article-content {
  max-width: var(--qfc-container-narrow);
  margin: 0 auto;
  padding: 0 24px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--qfc-text-light);
}

.qfc-article-content p { margin-bottom: 20px; }

.qfc-article-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--qfc-text-light);
  margin: 40px 0 16px;
}

.qfc-article-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--qfc-text-light);
  margin: 32px 0 12px;
}

.qfc-article-cta {
  padding-top: var(--qfc-section-v);
  padding-bottom: var(--qfc-section-v);
}

.qfc-blog-featured__cover {
  overflow: hidden;
  height: 320px;
}

.qfc-blog-featured__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.qfc-blog-featured:hover .qfc-blog-featured__cover img { transform: scale(1.03); }

.qfc-blog-featured__body {
  padding: 40px 40px 40px 0;
}

.qfc-blog-card__author {
  font-size: 12px;
  color: var(--qfc-muted-light);
}

.qfc-blog-card__img-link {
  display: block;
  text-decoration: none;
}

.qfc-team-card__body {
  text-align: center;
}

.qfc-research-item__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.qfc-research-item__num {
  font-size: 48px;
  font-weight: 700;
  color: rgba(76, 111, 255, 0.15);
  font-family: 'Crimson Pro', Georgia, serif;
  line-height: 1;
  margin-bottom: 8px;
}

.qfc-research-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.qfc-atom-dot { /* JS state hook, no styling */ }
.qfc-atom-dots { /* JS state hook, no styling */ }
.qfc-atom-glows { /* JS state hook, no styling */ }

@media (max-width: 768px) {
  .qfc-subhero__inner { grid-template-columns: 1fr; }
  .qfc-subhero__stat-cluster { flex-direction: row; flex-wrap: wrap; }
  .qfc-rydberg-grid { grid-template-columns: 1fr 1fr; }
  .qfc-about-mission { grid-template-columns: 1fr; }
  .qfc-contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .qfc-blog-featured { grid-template-columns: 1fr; }
  .qfc-blog-featured__body { padding: 24px; }
  .qfc-blog-featured__cover { height: 220px; }
  .qfc-tech-arch { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .qfc-rydberg-grid { grid-template-columns: 1fr; }
  .qfc-subhero__inner { grid-template-columns: 1fr; }
  .qfc-about-mission { grid-template-columns: 1fr; }
}