:root {
  --c-bg: #070708;
  --c-surface: #0e0e10;
  --c-surface-2: #151517;
  --c-glass: rgba(17, 17, 19, 0.78);
  --c-line: rgba(255, 255, 255, 0.1);
  --c-line-soft: rgba(255, 255, 255, 0.055);
  --c-text: #f3f3f1;
  --c-text-2: #d4d4d8;
  --c-text-3: #d4d4d8;
  --c-positive: #5ed6b3;
  --c-font: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --c-mono: var(--c-font);
  --c-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Shared readable copy. Specificity intentionally covers section-local overrides. */
body.plyra-readable :is(main, #pricing, #dxf-export, #site-footer) :is(
  p:not(.concept-workflow-punchline),
  .concept-price-features div > span,
  .concept-pricing-renewal > span,
  .concept-dxf-legend-item > span,
  .concept-card-meta,
  .concept-catalog-counter,
  .concept-catalog-eyebrow,
  .concept-ff-col-title,
  .concept-ff-nav-col a,
  .concept-ff-bottom-legal,
  .concept-feature-num,
  .concept-card-badge.badge-recent
) {
  font-family: var(--c-font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--c-text-2);
}
body.plyra-readable .concept-card-meta { flex-wrap: wrap; }
body.plyra-readable .concept-ff-bottom-legal { flex-wrap: wrap; letter-spacing: 0; }
body.plyra-readable .concept-filter-chip:not(.active),
body.plyra-readable .concept-status-chip:not(.active),
body.plyra-readable .concept-nav-by,
body.plyra-readable .concept-ff-brand-col .concept-brand small {
  color: var(--c-text-2);
}

/* Hero purchase accent: static champagne border with a slow moving highlight. */
body.plyra-readable .concept-hero .concept-button-primary {
  position: relative;
  isolation: isolate;
  border: 2px solid #c7ad76;
  background: #fff;
  box-shadow: 0 4px 18px rgba(199, 173, 118, .12);
  transition: transform 180ms ease, box-shadow 180ms ease;
}
body.plyra-readable .concept-hero .concept-button-primary::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  padding: 2px;
  pointer-events: none;
  background: linear-gradient(110deg, #9d8250 15%, #d5bd8a 36%, #fff5d8 48%, #d5bd8a 60%, #9d8250 85%);
  background-size: 300% 100%;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  animation: plyra-champagne-reflection 7s ease-in-out infinite;
}
@keyframes plyra-champagne-reflection {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
body.plyra-readable .concept-hero .concept-button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(199, 173, 118, .2);
}
body.plyra-readable .concept-hero .concept-button-secondary {
  background: #19191d;
  border-color: #626269;
  color: #fff;
}
body.plyra-readable .concept-hero .concept-button-secondary:hover { background: #26262c; }
body.plyra-readable .concept-hero .concept-button:focus-visible {
  outline: 2px solid #e3ce9f;
  outline-offset: 5px;
}
@media (prefers-reduced-motion: reduce) {
  body.plyra-readable .concept-hero .concept-button-primary::before { animation: none; }
  body.plyra-readable .concept-hero .concept-button { transition: none; }
  body.plyra-readable .concept-hero .concept-button:hover { transform: none; }
}

/* Top Reading Progress Bar (Site Original Style) */
.concept-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: #FFFFFF;
  z-index: 10001;
  pointer-events: none;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.7);
  transition: width 0.08s ease-out;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  background: var(--c-bg);
  scrollbar-width: none;
  -ms-overflow-style: none;
}
html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--c-font);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, video, svg { display: block; max-width: 100%; }

/* ==========================================================================
   3D Cinematic Splash Screen (Pokémon TCG Pocket Style)
   ========================================================================== */
.plyra-splash {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 99999;
  background: #060608;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.85s;
}

.plyra-splash.splash-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.splash-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.splash-ambient-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 40%, rgba(6, 6, 8, 0.92) 75%, #060608 100%);
  z-index: 2;
  pointer-events: none;
}

.splash-center {
  position: relative;
  z-index: 10;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: splashLogoEntrance 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.splash-logo-img {
  width: 92px;
  height: 92px;
  object-fit: contain;
  filter: drop-shadow(0 16px 36px rgba(0, 0, 0, 0.85)) drop-shadow(0 0 28px rgba(255, 255, 255, 0.3));
  animation: splashLogoFloat 3s ease-in-out infinite;
}

.splash-brand-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 16px;
}

.splash-title {
  font-family: var(--c-font);
  font-size: 34px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.9);
}

.splash-sub {
  font-family: var(--c-font);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--c-text-2);
  margin-top: 2px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 3px 10px;
  border-radius: 999px;
}

.splash-skip-btn {
  position: absolute;
  top: 28px;
  right: 28px;
  z-index: 20;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  color: var(--c-text-2);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 14px;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 180ms ease;
  font-family: var(--c-font);
}

.splash-skip-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

@keyframes splashLogoEntrance {
  0% {
    opacity: 0;
    filter: blur(20px);
    transform: scale(0.85);
  }
  100% {
    opacity: 1;
    filter: blur(0px);
    transform: scale(1);
  }
}

@keyframes splashLogoFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-4px) scale(1.02);
  }
}

.concept-shell {
  width: min(1600px, calc(100% - 80px));
  margin: 0 auto;
  position: relative;
}

/* ==========================================================================
   FULL-WIDTH ATMOSPHERIC GRADIENT BLUR NAVBAR (Site Original Aesthetic)
   ========================================================================== */
.concept-nav-full {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: 68px;
  background: transparent;
  border: none;
  box-shadow: none;
  pointer-events: none;
}

/* Progressive Masked Gradient Blur (Seamless Atmospheric Dissolve) */
.concept-nav-full::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 130px;
  background: linear-gradient(180deg, rgba(7, 7, 8, 0.48) 0%, rgba(7, 7, 8, 0.22) 45%, rgba(7, 7, 8, 0.04) 78%, transparent 100%);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  mask-image: linear-gradient(to bottom, black 0%, black 25%, rgba(0, 0, 0, 0.6) 60%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 25%, rgba(0, 0, 0, 0.6) 60%, transparent 100%);
  pointer-events: none;
  z-index: -1;
  transition: opacity 0.3s ease;
}

.concept-nav-container {
  width: min(1600px, calc(100% - 80px));
  height: 100%;
  margin: 0 auto;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  pointer-events: auto;
}

/* Brand */
.concept-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.concept-nav-logo {
  width: 24px;
  height: 24px;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.6));
  transition: transform 0.2s var(--c-ease);
}

.concept-nav-brand:hover .concept-nav-logo {
  transform: scale(1.08) rotate(-2deg);
}

.concept-nav-title {
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #FFFFFF;
}

.concept-nav-by {
  font-family: var(--c-font);
  font-size: 9.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-3);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 2px 7px;
  border-radius: 999px;
  margin-left: 2px;
}

/* Center Menu */
.concept-nav-center {
  display: flex;
  align-items: center;
}

.concept-nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.concept-nav-item {
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.60);
  text-decoration: none;
  letter-spacing: -0.01em;
  position: relative;
  padding: 8px 0;
  transition: color 0.18s ease, text-shadow 0.18s ease;
}

.concept-nav-item:hover {
  color: #FFFFFF;
}

/* Glowing Illuminated Active Text */
.concept-nav-item.active {
  color: #FFFFFF;
  font-weight: 600;
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.85),
               0 0 28px rgba(255, 255, 255, 0.40);
}

.concept-nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 2px;
  background: #FFFFFF;
  border-radius: 999px;
  box-shadow: 0 0 8px #FFFFFF;
  animation: conceptNavGlowDot 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes conceptNavGlowDot {
  0% { width: 0; opacity: 0; }
  100% { width: 14px; opacity: 1; }
}

/* Actions */
.concept-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Liquid Metal / Clean Capsule CTA */
.concept-nav-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 18px;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 999px;
  background: transparent;
  color: #FFFFFF;
  text-decoration: none;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(255, 255, 255, 0.20);
  transition: transform 0.2s var(--c-ease), border-color 0.2s ease, background 0.2s ease;
}

.concept-nav-cta:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-1px);
}

/* Mobile Toggle */
.concept-nav-mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 10px;
  color: var(--c-text);
  cursor: pointer;
  transition: all 0.18s ease;
}

.concept-nav-mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.20);
}

.concept-toggle-icon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 15px;
  height: 14px;
}

.concept-toggle-icon span {
  display: block;
  width: 15px;
  height: 1.5px;
  background: var(--c-text);
  border-radius: 1px;
  transition: transform 220ms var(--c-ease), opacity 220ms var(--c-ease);
}

.concept-nav-full.mobile-open .concept-toggle-icon span:first-child {
  transform: translateY(2.75px) rotate(45deg);
}

.concept-nav-full.mobile-open .concept-toggle-icon span:last-child {
  transform: translateY(-2.75px) rotate(-45deg);
}

/* Mobile Drawer Popover */
.concept-nav-mobile-dropdown {
  display: none;
  position: absolute;
  top: 72px;
  left: 16px;
  right: 16px;
  padding: 14px;
  background: rgba(14, 14, 18, 0.94);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border: 1px solid var(--c-line);
  border-radius: 16px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.65);
  pointer-events: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 220ms var(--c-ease), transform 220ms var(--c-ease), visibility 220ms;
}

.concept-nav-full.mobile-open .concept-nav-mobile-dropdown {
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.concept-mobile-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  color: var(--c-text-2);
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 8px;
  transition: all 160ms ease;
}

.concept-mobile-link span {
  font-family: var(--c-font);
  font-size: 10px;
  color: var(--c-text-3);
}

.concept-mobile-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--c-text);
}

.concept-mobile-divider {
  height: 1px;
  background: var(--c-line-soft);
  margin: 8px 0;
}

.concept-mobile-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--c-text);
  color: var(--c-bg);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 160ms ease;
}

.concept-mobile-cta:hover {
  opacity: 0.92;
}

/* ==========================================================================
   MODERN BLURRY STAGGERED SCROLL REVEAL SYSTEM
   ========================================================================== */
.js-reveal-active .concept-reveal {
  opacity: 0;
  filter: blur(14px);
  transform: translate3d(0, 28px, 0);
  transition:
    opacity 750ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 750ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 750ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform, filter;
}

.js-reveal-active .concept-reveal.is-revealed {
  opacity: 1;
  filter: blur(0);
  transform: translate3d(0, 0, 0);
}

/* Stagger Delays ("petit à petit" cascading effect) */
.js-reveal-active .concept-reveal.stagger-1 { transition-delay: 50ms; }
.js-reveal-active .concept-reveal.stagger-2 { transition-delay: 110ms; }
.js-reveal-active .concept-reveal.stagger-3 { transition-delay: 170ms; }
.js-reveal-active .concept-reveal.stagger-4 { transition-delay: 230ms; }
.js-reveal-active .concept-reveal.stagger-5 { transition-delay: 290ms; }
.js-reveal-active .concept-reveal.stagger-6 { transition-delay: 350ms; }

@media (prefers-reduced-motion: reduce) {
  .js-reveal-active .concept-reveal {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
    transition: none !important;
  }
}

/* Hero section with full-screen video background */
.concept-hero {
  position: relative;
  min-height: 100svh;
  padding: 154px 0 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg);
  overflow: hidden;
}

.concept-hero-bg-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.concept-hero-bg-video {
  width: 100%;
  height: 118%;
  top: -8%;
  position: relative;
  object-fit: cover;
  object-position: center 10%;
  opacity: 0.70;
  filter: contrast(1.08) brightness(0.92);
  will-change: transform;
}

.concept-hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 20%, rgba(7, 7, 8, 0.15) 0%, rgba(7, 7, 8, 0.55) 55%, rgba(7, 7, 8, 0.95) 85%, #070708 100%),
    linear-gradient(180deg, rgba(7, 7, 8, 0.35) 0%, transparent 40%, transparent 65%, #070708 100%);
  pointer-events: none;
}

.concept-hero-centered {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 1980px;
  padding: 0 24px;
  box-sizing: border-box;
}

.concept-hero-copy {
  max-width: 880px;
  margin: 0 auto 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.concept-kicker {
  margin: 0 0 20px;
  color: var(--c-positive);
  background: rgba(94, 214, 179, 0.08);
  border: 1px solid rgba(94, 214, 179, 0.22);
  padding: 5px 14px;
  border-radius: 999px;
  font-family: var(--c-font);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  display: inline-block;
}

.concept-hero-headline {
  margin: 0;
  font-size: clamp(48px, 6vw, 86px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
  color: #FFFFFF;
  text-align: center;
}

.concept-hero .concept-lead,
.concept-hero-subline {
  max-width: 680px;
  margin: 24px auto 0;
  color: var(--c-text-2);
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.55;
  letter-spacing: -0.015em;
  text-align: center;
}

.concept-hero-license-note {
  margin: 18px 0 0;
  color: var(--c-text-3);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-align: center;
}

.concept-hero .concept-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.concept-button {
  min-height: 48px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line);
  border-radius: 10px;
  font-family: var(--c-font);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all 180ms ease;
}
.concept-button-primary {
  border-color: #FFFFFF;
  background: #FFFFFF;
  color: #060608;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15);
}
.concept-button-primary:hover {
  background: #E8EAEF;
  transform: translateY(-1px);
}
.concept-button-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
}
.concept-button-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
}
.concept-link-discreet {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-text-2);
  font-family: var(--c-font);
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: color 180ms ease;
}
.concept-link-discreet:hover {
  color: #FFFFFF;
}

.concept-hero .concept-availability {
  margin: 20px 0 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--c-text-3);
  font-family: var(--c-font);
  font-size: 12.5px;
}
.concept-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-positive);
  display: inline-block;
  box-shadow: 0 0 8px rgba(94, 214, 179, 0.6);
}

/* Grand Panoramic Mockup Showcase */
.concept-hero-mockup-wrap {
  width: 100%;
  max-width: 1980px;
  margin: 0 auto;
}

.concept-hero-mockup-wrap .concept-product-frame {
  width: 100%;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  background: #07070a;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.95), 0 0 0 1px rgba(255, 255, 255, 0.04);
  transform-origin: center top;
  will-change: transform;
}

.concept-hero-video-demo {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  background: #000000;
}

.concept-hero-acp-note {
  margin: 16px 0 0;
  font-size: 11.5px;
  font-family: var(--c-font);
  color: var(--c-text-3);
  letter-spacing: 0.04em;
  text-align: center;
}

@media (max-width: 860px) {
  .concept-hero {
    padding: 120px 0 60px;
  }
  .concept-hero-headline {
    font-size: clamp(34px, 8vw, 48px);
  }
  .concept-hero .concept-lead,
  .concept-hero-subline {
    font-size: 15px;
  }
  .concept-hero-mockup-wrap .concept-product-frame {
    border-radius: 14px;
  }
}

.concept-preview-next { min-height: 70vh; padding: 144px 0; }
.concept-preview-next h2 { margin: 0; font-size: clamp(44px, 6vw, 72px); font-weight: 500; letter-spacing: -0.05em; }

@media (max-width: 1100px) {
  .concept-shell { width: calc(100% - 48px); }
  .concept-nav-container { width: calc(100% - 48px); }
}

@media (max-width: 900px) {
  .concept-nav-center { display: none; }
  .concept-nav-mobile-toggle { display: flex; }
  .concept-nav-cta { display: none; }
  .concept-hero { padding-top: 118px; }
  .concept-hero-grid, .concept-definition-grid { grid-template-columns: 1fr; }
  .concept-hero-copy { max-width: 650px; }
}

@media (max-width: 620px) {
  .concept-shell { width: calc(100% - 32px); }
  .concept-nav-container { width: calc(100% - 32px); }
  .concept-nav-by { display: none; }
  .concept-hero { min-height: auto; padding: 104px 0 64px; }
  .concept-hero-grid { gap: 42px; }
  .concept-hero h1 { font-size: clamp(48px, 15vw, 66px); }
  .concept-lead { font-size: 16px; }
  .concept-actions { flex-direction: column; }
  .concept-product-frame { border-radius: 12px; }
  .concept-product-caption { display: none; }
  .concept-definition { padding: 72px 0; }
  .concept-definition ul { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 1ms !important; transition-duration: 1ms !important; }
  .concept-reveal { opacity: 1 !important; transform: none !important; filter: none !important; transition: none !important; }
}

/* Shared section system */
.concept-section {
  position: relative;
  padding: 150px 0;
  overflow: hidden;
}
.concept-section-heading {
  margin-bottom: 76px;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 56px;
  align-items: end;
}
.concept-section-heading h2,
.concept-pricing h2,
.concept-faq h2,
.concept-pricing-copy > h2,
.concept-faq-header h2 {
  margin: 0;
  font-family: var(--c-font);
  font-size: clamp(34px, 4.2vw, 56px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.045em;
  color: var(--c-text);
  text-align: left;
}
.concept-section-heading > p {
  width: min(100%, 470px);
  margin: 0 0 4px auto;
  color: var(--c-text-2);
  font-size: 15px;
  line-height: 1.7;
}

/* Scroll-driven Reveal Animations (Site Original Blurry Fade-In Style) */
.concept-reveal {
  opacity: 0;
  transform: translate3d(0, 30px, 0);
  filter: blur(8px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.85s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform, filter;
}

.concept-reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  filter: blur(0px);
}

.stagger-1 { transition-delay: 60ms !important; }
.stagger-2 { transition-delay: 120ms !important; }
.stagger-3 { transition-delay: 180ms !important; }
.stagger-4 { transition-delay: 240ms !important; }
.stagger-5 { transition-delay: 300ms !important; }
.stagger-6 { transition-delay: 360ms !important; }

/* Pinned Sticky Stacking Deck Workflow */
.concept-workflow {
  position: relative;
  height: 380svh; /* Gives ~380svh of total scroll duration while viewport is pinned */
  background: #060608;
}

/* Blueprint Technical Grid Background (CAD / Engineering Blueprint) */
.concept-workflow-blueprint {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
  background-color: #0c6dfd;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.35) 1.2px, transparent 1.2px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.35) 1.2px, transparent 1.2px),
    linear-gradient(to right, rgba(255, 255, 255, 0.20) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.20) 1px, transparent 1px),
    radial-gradient(ellipse at 50% 50%, #1f8bff 0%, #0c6dfd 48%, #004ecf 80%, #0036a8 100%);
  background-size:
    360px 360px,
    360px 360px,
    72px 72px,
    72px 72px,
    100% 100%;
  background-repeat:
    repeat,
    repeat,
    repeat,
    repeat,
    no-repeat;
  background-position:
    center center,
    center center,
    center center,
    center center,
    center center;
}
.concept-workflow-shader-dim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, #060608 0%, transparent 16%, transparent 84%, #060608 100%);
  pointer-events: none;
  z-index: 2;
}

/* Pinned Sticky 100svh Stage (Completely locks on screen) */
.concept-workflow-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  max-height: 100svh;
  padding: 85px 0 35px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  overflow: hidden;
  background: transparent;
  z-index: 3;
}
.concept-workflow-shell {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  max-height: 100%;
  gap: 18px;
  width: min(1560px, calc(100% - 60px));
}
.concept-workflow-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  width: 100%;
  flex-shrink: 0;
}
.concept-workflow-title {
  margin: 0;
  font-size: clamp(32px, 3.4vw, 48px);
  font-weight: 500;
  letter-spacing: -0.04em;
  color: var(--c-text);
  text-align: center;
}

/* Dynamic Blurry Subline Under Title */
.concept-workflow-subline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 28px;
  transition: filter 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.22s ease, transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: filter, opacity, transform;
}
.concept-workflow-subline.is-changing {
  filter: blur(8px);
  opacity: 0;
  transform: translateY(-4px);
}
.concept-workflow-badge {
  font-family: var(--c-font);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.10em;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
}
.concept-workflow-punchline {
  margin: 0;
  font-family: var(--c-font);
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 400;
  color: #DDE0E6;
  letter-spacing: -0.018em;
  line-height: 1.35;
  white-space: nowrap;
}
.concept-workflow-punchline strong {
  font-weight: 600;
  color: #FFFFFF;
}

/* Central Stacking Deck Stage */
.concept-deck-theater {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.concept-deck-card {
  position: absolute;
  width: 100%;
  aspect-ratio: 3840 / 1548;
  max-height: calc(100svh - 220px);
  max-width: calc((100svh - 220px) * (3840 / 1548));
  margin: 0 auto;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #000000;
  box-shadow: none; /* Zero shadow */
  overflow: hidden;
  transform-origin: center top;
  will-change: transform, filter;
  transition: filter 0.25s ease-out;
}
.concept-deck-card[data-deck-card="0"] { z-index: 10; }
.concept-deck-card[data-deck-card="1"] { z-index: 20; }
.concept-deck-card[data-deck-card="2"] { z-index: 30; }
.concept-deck-card[data-deck-card="3"] { z-index: 40; }

.concept-deck-media {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000000;
}
.concept-deck-media video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  background: #000000;
}

.concept-deck-mobile-caption {
  display: none;
}

/* Mobile & Tablet Adaptation (< 860px) */
@media (max-width: 860px) {
  .concept-workflow {
    height: auto !important;
    min-height: auto !important;
    padding: 60px 0 40px;
  }
  .concept-workflow-sticky {
    position: relative !important;
    top: auto !important;
    height: auto !important;
    max-height: none !important;
    padding: 0 !important;
    overflow: visible !important;
  }
  .concept-workflow-shell {
    height: auto !important;
    max-height: none !important;
    gap: 20px;
    width: calc(100% - 36px) !important;
  }
  .concept-workflow-title {
    font-size: 28px;
    margin-bottom: 20px;
  }
  .concept-workflow-subline {
    display: none !important;
  }
  .concept-deck-theater {
    position: relative;
    height: auto;
    flex-direction: column;
    gap: 36px;
  }
  .concept-deck-card {
    position: static !important;
    transform: none !important;
    filter: none !important;
    width: 100% !important;
    max-width: 100% !important;
    max-height: none !important;
    aspect-ratio: 3840 / 1548 !important;
    border-radius: 14px;
    overflow: hidden;
  }
  .concept-deck-mobile-caption {
    display: block;
    padding: 14px 4px 0;
    text-align: left;
  }
  .concept-deck-mobile-step {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 9999px;
    background: rgba(94, 214, 179, 0.12);
    border: 1px solid rgba(94, 214, 179, 0.28);
    color: var(--c-positive);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
  }
  .concept-deck-mobile-caption h3 {
    margin: 0 0 4px;
    font-size: 17px;
    font-weight: 600;
    color: #FFFFFF;
    letter-spacing: -0.02em;
  }
  .concept-deck-mobile-caption p {
    margin: 0;
    font-size: 13.5px;
    line-height: 1.5;
    color: var(--c-text-2);
  }
}

/* =========================================================================
   SECTION 4 — EXPORT DXF (Open Editorial CAD View)
   ========================================================================= */
.concept-dxf-export {
  padding: 120px 0;
  position: relative;
}
.concept-dxf-heading {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 72px;
  align-items: end;
  margin-bottom: 56px;
}
.concept-dxf-heading h2 {
  margin: 0;
  font-size: clamp(38px, 4vw, 56px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: #FFFFFF;
}
.concept-dxf-heading p {
  width: 100%;
  max-width: 520px;
  margin: 0;
  justify-self: end;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--c-text-2);
}
.concept-dxf-stage {
  width: 100%;
  margin: 0;
}
.concept-dxf-vector-schematic {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 50%, rgba(20, 24, 29, 0.48), transparent 66%),
    #08090b;
  overflow: hidden;
}
.concept-dxf-authentic-svg {
  display: block;
  width: 100%;
  height: 100%;
}
.concept-dxf-stage .dxf-layer-fold,
.concept-dxf-stage .dxf-layer-cut,
.concept-dxf-stage .dxf-layer-labels {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}
.concept-dxf-stage.is-visible .dxf-layer-fold {
  opacity: 0.88;
  transform: translateY(0);
  transition-delay: 0.12s;
}
.concept-dxf-stage.is-visible .dxf-layer-cut {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.32s;
}
.concept-dxf-stage.is-visible .dxf-layer-labels {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.52s;
}
.concept-dxf-caption {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(420px, 1.5fr) minmax(240px, 0.8fr);
  gap: 32px;
  align-items: start;
  margin-top: 22px;
}
.concept-dxf-file,
.concept-dxf-note {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--c-text-3);
}
.concept-dxf-file {
  font-family: var(--font-mono, 'Geist Mono', monospace);
  letter-spacing: 0.015em;
}
.concept-dxf-note {
  text-align: right;
}
.concept-dxf-legend {
  display: flex;
  justify-content: center;
  gap: clamp(22px, 3vw, 48px);
}
.concept-dxf-legend-item {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  white-space: nowrap;
}
.concept-dxf-legend-item strong {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.concept-dxf-legend-item > span {
  font-size: 12px;
  color: var(--c-text-2);
}
.concept-dxf-legend-item.legend-cut strong {
  color: #5ed6b3;
}
.concept-dxf-legend-item.legend-fold strong {
  color: #38bdf8;
}
.concept-dxf-legend-item.legend-labels strong {
  color: #fbbf24;
}
@media (max-width: 860px) {
  .concept-dxf-export {
    padding: 88px 0;
  }
  .concept-dxf-heading {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-bottom: 36px;
  }
  .concept-dxf-heading h2 {
    font-size: clamp(36px, 11vw, 48px);
  }
  .concept-dxf-heading p {
    justify-self: start;
  }
  .concept-dxf-caption {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 18px;
  }
  .concept-dxf-legend {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    justify-content: initial;
  }
  .concept-dxf-legend-item {
    flex-direction: column;
    gap: 4px;
    white-space: normal;
  }
  .concept-dxf-note {
    max-width: 300px;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .concept-dxf-stage .dxf-layer-fold,
  .concept-dxf-stage .dxf-layer-cut,
  .concept-dxf-stage .dxf-layer-labels {
    transform: none;
    transition: none;
  }
  .concept-dxf-stage .dxf-layer-fold { opacity: 0.88; }
  .concept-dxf-stage .dxf-layer-cut,
  .concept-dxf-stage .dxf-layer-labels { opacity: 1; }
}

/* =========================================================================
   FEATURE ARCHITECTURE (Bento with Blueprint Background & Dark Overlay)
   ========================================================================= */
/* Reversible ACP sheet experiment: original DXF rules above remain the fallback. */
#dxf-export[data-acp-sheet].acp-ready .concept-dxf-heading,
#dxf-export[data-acp-sheet].acp-ready .concept-dxf-stage {
  opacity: 1; filter: none; transform: none; transition: none; will-change: auto;
}
#dxf-export[data-acp-sheet].acp-ready .concept-dxf-vector-schematic {
  overflow: visible;
  border-radius: 2px;
  background: linear-gradient(125deg, #8c9297 0%, #bbc0c3 23%, #969da2 49%, #c7cbcd 74%, #959ca1 100%);
  box-shadow: 0 1px 0 #e1e3e5, 0 4px 0 #22262a, 0 7px 0 #16191c, 0 8px 0 #a0a5a9, 0 28px 40px -25px #000;
}
#dxf-export[data-acp-sheet].acp-ready .concept-dxf-vector-schematic::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 22%, #ffffff12 47%, transparent 70%);
}
#dxf-export[data-acp-sheet].acp-ready .concept-dxf-authentic-svg > rect:first-of-type {
  fill: transparent; stroke: #343a4050; stroke-dasharray: none;
}
#dxf-export[data-acp-sheet].acp-ready .dxf-layer-cut {
  stroke: #ff5a5f; stroke-width: 6px; fill: #4a111510; opacity: 1; transform: none; transition: none;
}
#dxf-export[data-acp-sheet].acp-ready .dxf-layer-fold {
  stroke: #5ed6b3; stroke-width: 5px; opacity: 1; transform: none; transition: none;
}
#dxf-export[data-acp-sheet].acp-ready .dxf-layer-labels {
  opacity: 1; transform: none; transition: none;
}
#dxf-export[data-acp-sheet].acp-ready .dxf-layer-labels rect { fill: #22272c; stroke: #fbbf24; }
#dxf-export[data-acp-sheet].acp-ready .dxf-layer-labels text { fill: #fbbf24; }
#dxf-export[data-acp-sheet].acp-scroll { height: 165svh; padding: 0; overflow: visible; }
#dxf-export[data-acp-sheet].acp-scroll > .concept-shell {
  position: sticky; top: 0; height: 100svh; min-height: 680px; perspective: 1500px;
}
#dxf-export[data-acp-sheet].acp-scroll .concept-dxf-heading {
  position: absolute; left: 0; top: 50%; width: 34%; display: block; margin: 0;
  opacity: var(--acp-copy, 0); transform: translateY(calc(-50% + var(--acp-copy-y, 20px))); z-index: 2;
}
#dxf-export[data-acp-sheet].acp-scroll .concept-dxf-heading h2 { font-weight: 500; font-size: clamp(36px, 3.5vw, 56px); }
#dxf-export .concept-dxf-heading { display: block; text-align: left; }
#dxf-export .concept-dxf-heading > p { margin: 24px 0 0; font-size: 16px; color: #c1c3c7; text-align: left; max-width: 100%; width: 100%; }
#dxf-export .concept-dxf-heading .concept-dxf-caption { position: static; display: flex; flex-direction: column; gap: 22px; width: 100%; margin: 30px 0 0; opacity: 1; transform: none; }
#dxf-export .concept-dxf-file { font-family: var(--c-font); font-size: 14px; color: #aeb1b6; }
#dxf-export .concept-dxf-legend { display: flex; flex-direction: column; gap: 12px; }
#dxf-export .concept-dxf-legend-item.legend-cut strong { color: #ff5a5f; }
#dxf-export .concept-dxf-legend-item.legend-fold strong { color: #5ed6b3; }
#dxf-export .concept-dxf-legend-item { display: grid; grid-template-columns: 66px 1fr; gap: 12px; align-items: baseline; }
#dxf-export .concept-dxf-legend-item strong { font-size: 12px; }
#dxf-export .concept-dxf-legend-item > span { font-size: 15px; color: #d1d3d6; }
#dxf-export .concept-dxf-caption .concept-dxf-note { margin: 0; max-width: 100%; font-size: 14px; line-height: 1.65; color: #aeb1b6; text-align: left; }
#dxf-export[data-acp-sheet].acp-scroll .concept-dxf-stage { position: absolute; inset: 0; perspective: 1500px; }
#dxf-export[data-acp-sheet].acp-scroll .concept-dxf-vector-schematic {
  position: absolute; top: 50%; left: 0;
  transform: translateY(-50%) translateX(var(--acp-x, 0%)) rotateX(var(--acp-rx, 0deg)) rotateY(var(--acp-ry, 0deg)) scale(var(--acp-scale, 1));
  transform-origin: center;
}
@media (max-width: 999px), (max-height: 679px), (prefers-reduced-motion: reduce) {
  #dxf-export[data-acp-sheet].acp-ready .concept-dxf-vector-schematic { margin-bottom: 30px; }
}

.concept-features {
  position: relative;
  overflow: hidden;
  padding: 120px 0;
}

/* Blueprint Technical Grid Background for Bento Section */
.concept-features-blueprint {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
  background-color: #0c6dfd;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.35) 1.2px, transparent 1.2px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.35) 1.2px, transparent 1.2px),
    linear-gradient(to right, rgba(255, 255, 255, 0.20) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.20) 1px, transparent 1px),
    radial-gradient(ellipse at 50% 50%, #1f8bff 0%, #0c6dfd 48%, #004ecf 80%, #0036a8 100%);
  background-size:
    360px 360px,
    360px 360px,
    72px 72px,
    72px 72px,
    100% 100%;
  background-repeat:
    repeat,
    repeat,
    repeat,
    repeat,
    no-repeat;
  background-position:
    center center,
    center center,
    center center,
    center center,
    center center;
}

.concept-features-shader-dim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    #070708 0%,
    rgba(7, 7, 8, 0.88) 12%,
    rgba(7, 7, 8, 0.45) 28%,
    rgba(0, 15, 45, 0.20) 50%,
    rgba(7, 7, 8, 0.45) 72%,
    rgba(7, 7, 8, 0.88) 88%,
    #070708 100%
  );
  pointer-events: none;
  z-index: 2;
}

.concept-features .concept-shell {
  position: relative;
  z-index: 3;
}

/* Performance test: preserve the Bento reveal timing without animating a blur. */
.concept-features .concept-reveal {
  filter: none;
  will-change: opacity, transform;
  transition-property: opacity, transform;
}

.concept-feature-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.concept-feature-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: #050507;
  min-height: 440px;
  grid-column: span 5;
  transition: border-color 300ms ease, box-shadow 300ms ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

/* Asymmetric rhythm */
.concept-feature-card:nth-child(1),
.concept-feature-card:nth-child(4),
.concept-feature-card:nth-child(6) {
  grid-column: span 7;
}

.concept-feature-card:nth-child(2),
.concept-feature-card:nth-child(3),
.concept-feature-card:nth-child(5) {
  grid-column: span 5;
}

.concept-feature-card:hover {
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.75), 0 0 30px rgba(255, 255, 255, 0.04);
}

/* Layer 1: Media Full-Bleed (Video or Image taking 100% of card) */
.concept-feature-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
  background: #050507;
}

.concept-feature-media video,
.concept-feature-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.002);
  transition: transform 650ms cubic-bezier(0.16, 1, 0.3, 1);
}

.concept-feature-card:hover .concept-feature-media video,
.concept-feature-card:hover .concept-feature-media img {
  transform: scale(1.045);
}

/* Layer 2: Gradient Overlay (Dark bottom fading to transparent top) */
.concept-feature-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(5, 5, 7, 0.96) 0%,
    rgba(5, 5, 7, 0.82) 32%,
    rgba(5, 5, 7, 0.38) 58%,
    rgba(5, 5, 7, 0.08) 80%,
    transparent 100%
  );
}

/* Layer 3: Text Anchored at Bottom in Pure White */
.concept-feature-copy {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  padding: 32px 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.concept-feature-num {
  display: inline-block;
  font-family: var(--c-font);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.10em;
  color: rgba(255, 255, 255, 0.60);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.concept-feature-copy h3 {
  margin: 0;
  font-family: var(--c-font);
  font-size: clamp(22px, 1.8vw, 26px);
  font-weight: 500;
  color: #FFFFFF;
  letter-spacing: -0.035em;
  line-height: 1.15;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}

.concept-feature-copy p {
  margin: 0;
  font-family: var(--c-font);
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: -0.01em;
  max-width: 520px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.8);
}

/* Responsive Tablet & Mobile */
@media (max-width: 1024px) {
  .concept-feature-card,
  .concept-feature-card:nth-child(1),
  .concept-feature-card:nth-child(2),
  .concept-feature-card:nth-child(3),
  .concept-feature-card:nth-child(4),
  .concept-feature-card:nth-child(5),
  .concept-feature-card:nth-child(6) {
    grid-column: span 6;
    min-height: 400px;
  }
}

@media (max-width: 680px) {
  .concept-feature-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .concept-feature-card,
  .concept-feature-card:nth-child(1),
  .concept-feature-card:nth-child(2),
  .concept-feature-card:nth-child(3),
  .concept-feature-card:nth-child(4),
  .concept-feature-card:nth-child(5),
  .concept-feature-card:nth-child(6) {
    grid-column: span 1;
    min-height: 360px;
  }
  .concept-feature-copy {
    padding: 24px 20px 20px;
  }
}

/* =========================================================================
   CAM SOFTWARE INTEGRATION ECOSYSTEM (Canopy Arch - Inspiration media_1788628586151.png)
   ========================================================================= */
.concept-cam-ecosystem {
  position: relative;
  padding: 130px 0 110px;
  background: #060608;
  overflow: hidden;
}

.concept-cam-canopy {
  position: relative;
  width: 100%;
  max-width: 1140px;
  min-height: 560px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Soft ambient glow behind the arch */
.concept-cam-canopy::before {
  content: "";
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 60%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, rgba(12, 109, 253, 0.02) 45%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 1;
}

/* Arch of 11 Pure White Circular Badges with Natural Ground Fade Mask */
.concept-cam-arch {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  mask-image: linear-gradient(to bottom, #000 0%, #000 68%, rgba(0, 0, 0, 0.65) 78%, transparent 88%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 68%, rgba(0, 0, 0, 0.65) 78%, transparent 88%);
}

/* Dark Horizon Floor Gradient Overlay - Badges physically sink behind this layer */
.concept-cam-canopy::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 160px;
  background: linear-gradient(to top, #060608 28%, rgba(6, 6, 8, 0.94) 58%, rgba(6, 6, 8, 0.35) 82%, transparent 100%);
  pointer-events: none;
  z-index: 4;
}

/* Individual Pure White Pebble Pill (High-Contrast, Zero-Error SVGs) */
.concept-cam-pill {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 12px 32px rgba(0, 0, 0, 0.55),
    0 2px 6px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.9),
    0 0 24px rgba(255, 255, 255, 0.08);
  pointer-events: auto;
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: transform 260ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 260ms ease;
  animation: cam-arch-bob 5.2s ease-in-out infinite alternate;
  will-change: transform;
}

.concept-cam-pill svg {
  display: block;
  pointer-events: none;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.15));
}

.concept-cam-arch:not(.is-animated) .concept-cam-pill:hover {
  transform: translate(-50%, -50%) scale(1.22) translateY(-4px) !important;
  box-shadow:
    0 20px 48px rgba(0, 0, 0, 0.75),
    0 0 35px rgba(255, 255, 255, 0.40);
  z-index: 25;
}

/* 60fps Dynamic Arch Animation State (concept-swiss.js) */
.concept-cam-arch.is-animated .concept-cam-pill {
  left: 0 !important;
  top: 0 !important;
  animation: none !important;
  transition: box-shadow 260ms ease;
  will-change: transform;
}

.concept-cam-arch.is-animated .concept-cam-pill:hover {
  box-shadow:
    0 20px 48px rgba(0, 0, 0, 0.75),
    0 0 35px rgba(255, 255, 255, 0.40);
  z-index: 25;
}

/* 11 Arch Static Positions (Graceful Fallback & Reduced Motion) */
.pill-1  { left: 5.0%;  top: 78.0%; animation-delay: 0.0s; }
.pill-2  { left: 8.0%;  top: 56.0%; animation-delay: 0.4s; }
.pill-3  { left: 14.0%; top: 36.0%; animation-delay: 0.8s; }
.pill-4  { left: 23.5%; top: 20.0%; animation-delay: 1.2s; }
.pill-5  { left: 35.5%; top: 9.5%;  animation-delay: 1.6s; }
.pill-6  { left: 50.0%; top: 5.5%;  animation-delay: 2.0s; }
.pill-7  { left: 64.5%; top: 9.5%;  animation-delay: 2.4s; }
.pill-8  { left: 76.5%; top: 20.0%; animation-delay: 2.8s; }
.pill-9  { left: 86.0%; top: 36.0%; animation-delay: 3.2s; }
.pill-10 { left: 92.0%; top: 56.0%; animation-delay: 3.6s; }
.pill-11 { left: 95.0%; top: 78.0%; animation-delay: 4.0s; }

/* Floating Harmonic Animation */
@keyframes cam-arch-bob {
  0% { transform: translate(-50%, -50%) translateY(0); }
  100% { transform: translate(-50%, -50%) translateY(-8px); }
}

/* Centered Narrative Content Nested in the Arch */
.concept-cam-center-content {
  position: relative;
  z-index: 10;
  max-width: 620px;
  text-align: center;
  padding: 60px 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.concept-cam-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
  font-family: var(--c-font);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.concept-cam-headline {
  margin: 0;
  font-size: clamp(34px, 4.4vw, 54px);
  font-weight: 500;
  letter-spacing: -0.04em;
  color: #FFFFFF;
  line-height: 1.08;
}

.concept-cam-lead {
  margin: 0;
  font-size: clamp(14.5px, 1.15vw, 16.5px);
  color: var(--c-text-2);
  line-height: 1.62;
  letter-spacing: -0.015em;
  max-width: 540px;
}

.concept-cam-specs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.concept-cam-spec-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 999px;
  font-family: var(--c-font);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--c-text-2);
  letter-spacing: 0.01em;
}

.concept-cam-spec-tag i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-positive);
  box-shadow: 0 0 6px rgba(94, 214, 179, 0.5);
}

/* Tablet & Mobile Responsive (< 840px) */
@media (max-width: 840px) {
  .concept-cam-ecosystem {
    padding: 80px 0 60px;
  }
  .concept-cam-canopy {
    min-height: auto;
    flex-direction: column;
    gap: 20px;
  }
  .concept-cam-arch {
    position: relative;
    inset: auto;
    width: 100%;
    max-width: 540px;
    height: 160px;
    margin: 0 auto;
  }
  .concept-cam-pill {
    width: 44px;
    height: 44px;
  }
  .concept-cam-pill svg {
    width: 22px;
    height: 22px;
  }
  .concept-cam-canopy::after {
    display: none;
  }
  .concept-cam-center-content {
    padding: 0 16px;
    gap: 14px;
  }
  .concept-cam-headline {
    font-size: clamp(28px, 6.5vw, 38px);
  }
}

@media (max-width: 540px) {
  .concept-cam-arch {
    height: 120px;
  }
  .concept-cam-pill {
    width: 36px;
    height: 36px;
  }
  .concept-cam-pill svg {
    width: 18px;
    height: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .concept-cam-pill {
    animation: none !important;
  }
}

/* Interactive Design Library (Split View: Main Viewer Left + 4 Thumbnail Cards Right) */
#library.concept-collection { overflow: visible; height: 210svh; padding: 0; background: #070708; }
.concept-collection-sticky { position: sticky; top: 0; height: 100svh; min-height: 640px; display: grid; grid-template-rows: auto minmax(0,1fr) auto; padding: 106px 0 38px; }
.concept-collection-sticky > * { min-width: 0; max-width: 100%; }
.concept-collection-heading { text-align: center; position: relative; z-index: 1; }
.concept-collection-heading h2 { margin: 0; font-family: var(--c-font); font-size: clamp(36px,4.2vw,60px); font-weight: 500; letter-spacing: -.045em; line-height: 1.08; }
.concept-collection-heading > p { margin: 18px 0 0; color: var(--c-text-2); font-size: 16px; line-height: 1.6; }
.concept-collection-scene { position: relative; width: min(100%,1440px); margin: 0 auto; min-height: 0; background: radial-gradient(ellipse at center,rgba(255,255,255,.035),transparent 65%); }
.concept-collection-scene canvas { display: block; width: 100%; height: 100%; pointer-events: none; }
.concept-collection-status { position: absolute; inset: 0; display: grid; place-content: center; margin: 0; color: var(--c-text-2); font-size: 14px; text-align: center; padding: 24px; }
.concept-collection-status[hidden] { display: none; }
.concept-collection-link { text-align: center; position: relative; z-index: 1; }
.concept-collection-link a { gap: 20px; }
.concept-collection-link > p { margin: 16px 0 0; color: var(--c-text-2); font-size: 12px; }
#library.concept-collection.is-static { height: auto; }
.concept-collection.is-static .concept-collection-sticky { position: relative; height: 850px; max-height: none; }
@media (max-width: 860px), (prefers-reduced-motion: reduce) {
  #library.concept-collection { height: auto; }
  .concept-collection-sticky { position: relative; height: 780px; padding-top: 90px; min-height: 0; }
}
@media (max-width: 620px) {
  .concept-collection-heading h2 { font-size: 38px; }
  .concept-collection-heading > p { font-size: 14px; }
  .concept-collection-sticky, .concept-collection.is-static .concept-collection-sticky { height: 760px; padding: 80px 0 38px; }
  .concept-collection-link a { font-size: 13px; }
}
.concept-library {
  position: relative;
  overflow: hidden;
  background: #070708;
}
.concept-library-backdrop {
  position: absolute;
  inset: -15% 0 -15% 0;
  pointer-events: none;
  background: radial-gradient(circle at 75% 38%, rgba(255, 255, 255, 0.055), transparent 38%);
  will-change: transform;
}

.concept-library-layout {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 28px;
  align-items: stretch;
}

.concept-library-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.concept-studio {
  position: relative;
  border: 1px solid var(--c-line);
  border-radius: 16px;
  overflow: hidden;
  background: #080809;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.36);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.concept-studio-head {
  min-height: 72px;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--c-line-soft);
}
.concept-studio-head h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}
.concept-studio-head p {
  margin: 4px 0 0;
  color: var(--c-text-3);
  font-family: var(--c-font);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.concept-studio-viewport {
  flex: 1;
  height: min(52vw, 540px);
  min-height: 420px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.05), transparent 34%),
              linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
              linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: auto, 38px 38px, 38px 38px;
}
.concept-studio-viewport::before {
  content: "";
  position: absolute;
  top: 8%;
  bottom: 8%;
  left: 50%;
  z-index: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.035);
}
.concept-studio-viewport canvas {
  position: relative;
  z-index: 1;
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.concept-studio-loader {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  color: var(--c-text-3);
  font-family: var(--c-font);
  font-size: 11px;
  letter-spacing: 0.12em;
  transition: opacity 0.3s ease;
}
.concept-studio-loader.is-hidden {
  opacity: 0;
  pointer-events: none;
}
.concept-studio-loader[hidden] {
  display: none;
}

.concept-rotate {
  position: static;
  padding: 7px 12px;
  border: 1px solid var(--c-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--c-text-2);
  font-family: var(--c-font);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 0.2s ease;
}
.concept-rotate:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}
.concept-rotate.active {
  color: var(--c-positive);
  border-color: rgba(94, 214, 179, 0.35);
  background: rgba(94, 214, 179, 0.08);
}

.concept-studio-hint {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 4;
  color: var(--c-text-3);
  font-family: var(--c-font);
  font-size: 10.5px;
  letter-spacing: 0.06em;
}

.concept-studio-foot {
  min-height: 60px;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--c-line-soft);
}
.concept-studio-foot > span {
  color: var(--c-text-3);
  font-family: var(--c-font);
  font-size: 11px;
  letter-spacing: 0.08em;
  font-weight: 500;
}
.concept-finishes {
  display: flex;
  gap: 6px;
}
.concept-finish {
  padding: 7px 11px;
  display: flex;
  align-items: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--c-text-3);
  font-family: var(--c-font);
  font-size: 11.5px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.concept-finish:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.03);
}
.concept-finish.active {
  border-color: var(--c-line);
  color: var(--c-text);
  background: rgba(255, 255, 255, 0.05);
}
.concept-finish i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.finish-gold { background: #cdb88b; }
.finish-silver { background: #a9adb0; }
.finish-black { background: #18181a; }
.finish-white { background: #e6e6e2; }

/* Right Column: 4 Model Thumbnail Cards */
.concept-library-aside {
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.concept-library-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  height: 100%;
}
.concept-library-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 20px;
  border-radius: 16px;
  background: #0c0d10;
  border: 1px solid var(--c-line-soft);
  cursor: pointer;
  text-align: left;
  transition: all 0.22s ease;
  width: 100%;
  outline: none;
  font: inherit;
  color: inherit;
}
.concept-library-card:hover {
  border-color: rgba(255, 255, 255, 0.22);
  background: #121317;
  transform: translateY(-1px);
}
.concept-library-card.active,
.concept-library-card[aria-pressed="true"] {
  border-color: rgba(255, 255, 255, 0.45);
  background: #14151a;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.concept-library-thumb {
  width: 84px;
  height: 64px;
  border-radius: 10px;
  background: radial-gradient(circle at 50% 50%, #1a1b20 0%, #09090b 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}
.concept-library-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
  transition: transform 0.3s ease;
}
.concept-library-card:hover .concept-library-thumb img {
  transform: scale(1.06);
}
.concept-library-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.concept-library-meta strong {
  font-family: var(--c-font);
  font-size: 15px;
  font-weight: 500;
  color: #FFFFFF;
  letter-spacing: -0.015em;
}
.concept-library-meta span {
  font-family: var(--c-font);
  font-size: 12.5px;
  color: var(--c-text-2);
  letter-spacing: 0.01em;
}

.concept-library-note {
  text-align: center;
  margin: 44px 0 0;
  font-family: var(--c-font);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-3);
  letter-spacing: 0.03em;
}

/* Real work */
.concept-project-grid { display: grid; grid-template-columns: minmax(0, 7fr) repeat(2, minmax(0, 2.5fr)); gap: 16px; align-items: start; }
.concept-project-grid figure { margin: 0; position: relative; overflow: hidden; border-radius: 16px; background: #0b0b0c; }
.concept-project-main { grid-row: auto; }
.concept-project-grid img,
.concept-project-grid video { width: 100%; height: auto; display: block; filter: saturate(.72) contrast(1.06); transition: transform .8s cubic-bezier(.2,.7,.2,1), filter .4s ease; }
.concept-project-main img { aspect-ratio: 4 / 3; object-fit: cover; }
.concept-project-grid figure:nth-child(2) { margin-top: clamp(34px, 5vw, 72px); }
.concept-project-grid figure:nth-child(3) { margin-top: clamp(88px, 10vw, 144px); }
.concept-project-grid figure:hover img,
.concept-project-grid figure:hover video { transform: scale(1.025); filter: saturate(.9) contrast(1.04); }

/* Pricing, FAQ and footer */
.concept-pricing { background: #0a0a0b; position: relative; }
#pricing .concept-pricing-grid { display: flex; flex-direction: column; align-items: center; gap: 56px; }
#pricing .concept-pricing-copy { text-align: center; }
#pricing .concept-pricing-copy > h2 { text-align: center; font-family: var(--c-font); font-size: clamp(38px, 4.5vw, 64px); line-height: 1.08; letter-spacing: -0.045em; }
#pricing .concept-pricing-copy > p { margin: 20px 0 0; color: var(--c-text-2); font-size: 16px; line-height: 1.6; }
#pricing .concept-price-stage { width: min(100%, 1080px); }
#pricing .concept-price-card {
  width: 100%; margin: 0; padding: 34px 36px; border-radius: 16px;
  background: linear-gradient(145deg, rgba(255,255,255,.065), rgba(255,255,255,.018));
  border: 1px solid rgba(255,255,255,.14); box-shadow: 0 24px 80px rgba(0,0,0,.22);
  display: grid; grid-template-columns: minmax(190px, .75fr) minmax(340px, 1.35fr) minmax(220px, .9fr); align-items: center; gap: 38px; text-align: left;
}
#pricing .concept-price-summary { min-width: 0; }
#pricing .concept-price-offer { margin: 0 0 15px; color: var(--c-text-2); font-size: 13px; }
#pricing .concept-price { display: flex; align-items: baseline; gap: 12px; }
#pricing .concept-price del { font-size: 23px; color: var(--c-text-2); }
#pricing .concept-price strong { font-family: var(--c-font); font-size: clamp(58px, 5vw, 72px); font-weight: 600; letter-spacing: -.06em; line-height: 1; }
#pricing .concept-price-desc { margin: 10px 0 0; color: var(--c-text-2); font-size: 14px; }
#pricing .concept-price-features { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; text-align: left; }
#pricing .concept-price-features li { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; line-height: 1.5; }
#pricing .concept-price-features li > span { color: var(--c-text-2); }
#pricing .concept-price-features strong { display: block; font-weight: 500; }
#pricing .concept-price-features div > span { display: block; color: var(--c-text-2); font-size: 12.5px; margin-top: 3px; }
#pricing .concept-price-action { min-width: 0; }
#pricing .concept-price-btn { display: flex; width: 100%; min-height: 48px; justify-content: center; align-items: center; border-radius: 11px; font-family: var(--c-font); }
#pricing .concept-price-note { margin: 14px 0 0; color: var(--c-text-2); font-size: 11.5px; line-height: 1.6; text-align: center; }
#pricing .concept-pricing-inclusions { width: min(100%, 1000px); }
#pricing .concept-pricing-included-title { margin: 4px 0 26px; text-align: center; font-family: var(--c-font); font-size: 18px; font-weight: 500; letter-spacing: -.025em; }
#pricing .concept-pricing-tools { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
#pricing .concept-pricing-tool article {
  height: 100%; padding: 26px; border-radius: 16px; background: rgba(255,255,255,.025);
  border: 1px solid rgba(255,255,255,.065);
  transition: transform .3s ease, background .3s ease, border-color .3s ease;
}
#pricing .concept-pricing-tool svg { display: block; color: #b8b8be; margin-bottom: 24px; }
#pricing .concept-pricing-tool h4 { margin: 0 0 9px; font-family: var(--c-font); font-size: 16px; line-height: 1.4; font-weight: 500; letter-spacing: -.02em; }
#pricing .concept-pricing-tool p { margin: 0; font-size: 13px; line-height: 1.65; color: var(--c-text-2); }
#pricing .concept-pricing-renewal { text-align: center; margin: 0; font-size: 15px; line-height: 1.6; }
#pricing .concept-pricing-renewal span { display: block; margin-top: 8px; font-size: 13px; color: var(--c-text-2); }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  #pricing .concept-pricing-tool article:hover { transform: translateY(-4px); background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.14); }
}
@supports (animation-timeline: view()) {
  @media (min-width: 861px) and (prefers-reduced-motion: no-preference) {
    #pricing .concept-price-stage { animation: concept-price-drift linear both; animation-timeline: view(); animation-range: entry 0% exit 100%; }
  }
}
@keyframes concept-price-drift { from { transform: translateY(12px); } to { transform: translateY(-12px); } }
@media (max-width: 860px) {
  #pricing .concept-pricing-tools { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 620px) {
  #pricing .concept-pricing-grid { gap: 40px; }
  #pricing .concept-price-card { padding: 30px 24px 22px; }
  #pricing .concept-pricing-tools { grid-template-columns: 1fr; }
  #pricing .concept-pricing-tool article { padding: 24px; }
  #pricing .concept-pricing-tool svg { margin-bottom: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  #pricing .concept-reveal { opacity: 1; transform: none; transition: none; }
  #pricing .concept-pricing-tool article { transition: none; }
}
/* ============================================================
   CLEAN SINGLE-COLUMN FAQ (Swiss Hairline Accordion)
   ============================================================ */
.concept-faq {
  background: #0a0a0b;
  position: relative;
  padding: 96px 0 130px;
}
.concept-faq-header {
  text-align: center;
  margin-bottom: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.concept-faq-header h2 {
  font-family: var(--c-font);
  font-size: clamp(34px, 4.2vw, 56px);
  font-weight: 500;
  color: #FFFFFF;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin: 0;
  text-align: center;
}

.concept-faq-list {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  gap: 10px;
}

.concept-faq-item {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.022);
  border-radius: 16px !important;
  box-shadow: none !important;
  overflow: hidden;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}
.concept-faq-item:hover {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
}

.concept-faq-item > button {
  width: 100%;
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border: 0;
  background: transparent;
  color: #FFFFFF;
  font-family: var(--c-font);
  font-size: clamp(16px, 1.4vw, 19px);
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  outline: none;
  transition: color 0.2s ease;
}
.concept-faq-item > button > span:first-child {
  color: #ECECEE;
  letter-spacing: -0.015em;
  line-height: 1.35;
}
.concept-faq-item:hover > button > span:first-child {
  color: #FFFFFF;
}

.concept-faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  font-family: var(--c-font);
  font-size: 22px;
  font-weight: 300;
  line-height: 1;
  color: var(--c-text-3);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), color 0.25s ease;
  user-select: none;
}

.concept-faq-item.open .concept-faq-icon,
.concept-faq-item > button[aria-expanded="true"] .concept-faq-icon {
  transform: rotate(45deg); /* + rotates into ✕ */
  color: #FFFFFF;
}

/* Fluid Opening Animation */
.concept-faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0;
}
.concept-faq-answer > p {
  min-height: 0;
  margin: 0;
  overflow: hidden;
  color: var(--c-text-2);
  font-family: var(--c-font);
  font-size: 15px;
  line-height: 1.68;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.concept-faq-item.open .concept-faq-answer,
.concept-faq-answer[aria-hidden="false"] {
  grid-template-rows: 1fr;
}

.concept-faq-item.open .concept-faq-answer > p,
.concept-faq-answer[aria-hidden="false"] > p {
  opacity: 1;
  transform: translateY(0);
  padding: 0 64px 22px 24px;
}
/* ============================================================
   EXPANSIVE FULL-BLEED FOOTER (Site Original Monumental Aesthetic - Compact & Balanced)
   ============================================================ */
.concept-footer-wrap {
  padding: 84px 0 28px;
  width: 100%;
  background: #060608;
  position: relative;
  z-index: 10;
  overflow: hidden;
  border-top: none;
}

/* Blueprint Technical Grid Background for Footer (Same as Workflow) */
.concept-footer-blueprint {
  position: absolute;
  top: -15%;
  left: 0;
  width: 100%;
  height: 130%;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
  will-change: transform;
  background-color: #0c6dfd;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.35) 1.2px, transparent 1.2px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.35) 1.2px, transparent 1.2px),
    linear-gradient(to right, rgba(255, 255, 255, 0.20) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.20) 1px, transparent 1px),
    radial-gradient(ellipse at 50% 60%, #1f8bff 0%, #0c6dfd 48%, #004ecf 80%, #0036a8 100%);
  background-size:
    360px 360px,
    360px 360px,
    72px 72px,
    72px 72px,
    100% 100%;
  background-repeat:
    repeat,
    repeat,
    repeat,
    repeat,
    no-repeat;
  background-position:
    center center,
    center center,
    center center,
    center center,
    center center;
}

/* Atmospheric Soft Shading & Top Black Transition from FAQ */
.concept-footer-shader-dim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom,
    #070708 0%,
    rgba(7, 7, 8, 0.85) 12%,
    rgba(7, 7, 8, 0.40) 35%,
    rgba(0, 20, 60, 0.20) 65%,
    rgba(0, 10, 30, 0.55) 100%
  );
  pointer-events: none;
  z-index: 2;
}

.concept-footer-content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 24px;
}

/* Top Row: Navigation Links */
.concept-ff-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.concept-ff-brand-col {
  max-width: 340px;
}

.concept-ff-brand-col .concept-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--c-text);
  font-weight: 600;
  font-size: 15.5px;
  letter-spacing: -0.02em;
}

.concept-footer-logo,
.concept-ff-brand-col img {
  width: 24px !important;
  height: 24px !important;
  max-width: 24px !important;
  max-height: 24px !important;
  object-fit: contain;
  display: inline-block;
  vertical-align: middle;
}

.concept-ff-brand-col .concept-brand small {
  font-family: var(--c-font);
  font-size: 9.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-3);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 2px 7px;
  border-radius: 999px;
  margin-left: 2px;
}

.concept-ff-tagline {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  line-height: 1.55;
  font-family: var(--c-font);
}

.concept-ff-nav-group {
  display: flex;
  align-items: flex-start;
  gap: clamp(36px, 5vw, 84px);
  flex-wrap: wrap;
}

.concept-ff-nav-col {
  display: flex;
  flex-direction: column;
}

.concept-ff-col-title {
  font-family: var(--c-font);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.concept-ff-nav-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0;
  margin: 0;
}

.concept-ff-nav-col a {
  font-family: var(--c-font);
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 450;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: color 0.18s ease, transform 0.18s ease;
  display: inline-block;
}

.concept-ff-nav-col a:hover {
  color: #FFFFFF;
  transform: translateY(-1px);
}

/* Giant Monumental Wordmark (Sharplink Dissolve & Gradient Style) */
.concept-giant-wordmark {
  width: 100%;
  overflow: hidden;
  margin-top: auto;
  padding: 10px 0 0;
  user-select: none;
  position: relative;
  will-change: transform;
  mask-image: linear-gradient(to bottom, black 0%, black 55%, rgba(0, 0, 0, 0.4) 82%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 55%, rgba(0, 0, 0, 0.4) 82%, transparent 100%);
}

.concept-giant-text {
  font-family: var(--c-font);
  font-size: clamp(80px, 18vw, 240px);
  font-weight: 500;
  line-height: 0.82;
  letter-spacing: -0.06em;
  background: linear-gradient(180deg, #FFFFFF 0%, rgba(255, 255, 255, 0.80) 40%, rgba(255, 255, 255, 0.25) 80%, rgba(255, 255, 255, 0.05) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
  padding: 0;
  display: block;
  white-space: nowrap;
  pointer-events: none;
  text-shadow: none;
  filter: none;
}

/* Minimalist Bottom Legal Bar */
.concept-ff-bottom-legal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  color: rgba(255, 255, 255, 0.50);
  font-family: var(--c-font);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

/* Floating Back to Top Button */
.btn-back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(14, 14, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity 220ms ease, transform 220ms cubic-bezier(0.16, 1, 0.3, 1), background 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.btn-back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.btn-back-to-top:hover {
  background: #FFFFFF;
  color: #060608;
  border-color: #FFFFFF;
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.8), 0 0 20px rgba(255, 255, 255, 0.25);
}

.btn-back-to-top svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

@media (max-width: 620px) {
  .btn-back-to-top {
    bottom: 18px;
    right: 18px;
    width: 40px;
    height: 40px;
  }
}

@media (max-height: 790px) and (min-width: 901px) {
  .concept-workflow-sticky { padding-top: 80px; }
  .concept-workflow-heading { margin-bottom: 26px; }
  .concept-workflow-step { padding: 12px 2px; }
}

@media (max-width: 900px) {
  .concept-ff-top-row { flex-direction: column; gap: 36px; }
  .concept-ff-nav-group { width: 100%; justify-content: space-between; }
  .concept-section { padding: 110px 0; }
  .concept-section-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 52px; }
  .concept-section-heading > p { margin-left: 0; }
  .concept-workflow-sticky { padding-top: 100px; }
  .concept-workflow-heading { display: none; }
  .concept-workflow-layout { grid-template-columns: 1fr; gap: 22px; }
  .concept-workflow-copy { display: grid; grid-template-columns: repeat(4,1fr); }
  .concept-workflow-step { min-width: 0; grid-template-columns: 1fr; padding: 12px 8px; border-right: 1px solid var(--c-line-soft); }
  .concept-workflow-step h3 { font-size: 13px; }
  .concept-workflow-step p,
  .concept-workflow-step.active p { display: none; }
  .concept-feature-card,
  .concept-feature-large,
  .concept-feature-wide,
  .concept-feature-card:nth-child(3) { grid-column: span 6; }
  .concept-project-grid { grid-template-columns: minmax(0, 1fr) repeat(2, minmax(0, .5fr)); min-height: 0; }
  #pricing .concept-price-card { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
  #pricing .concept-price-action { grid-column: 1 / -1; }
  .concept-library-layout { grid-template-columns: 1fr; gap: 24px; }
  .concept-library-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .concept-library-card { flex-direction: column; align-items: flex-start; padding: 14px; gap: 12px; }
  .concept-library-thumb { width: 100%; height: 96px; }
  .concept-faq-list { max-width: 100%; }
  .concept-faq-item > button { padding: 20px 0; font-size: 16px; }
}

@media (max-width: 620px) {
  .concept-section { padding: 88px 0; }
  .concept-section-heading { margin-bottom: 40px; }
  .concept-section-heading h2,
  .concept-pricing h2 { font-size: clamp(40px, 12vw, 54px); }
  .concept-workflow { min-height: 410svh; }
  .concept-workflow-sticky { padding: 76px 0 24px; align-items: start; }
  .concept-workflow-copy { margin-top: 4px; }
  .concept-workflow-step { padding: 10px 5px; }
  .concept-workflow-step > span { display: none; }
  .concept-workflow-step small { font-size: 6px; }
  .concept-workflow-step h3 { font-size: 10px; line-height: 1.15; }
  .concept-workflow-window { min-height: 0; border-radius: 11px; }
  .concept-scene { padding: 12px; }
  .concept-scene-meta { right: 12px; bottom: 12px; left: 12px; }
  .concept-scene-meta small { display: none; }
  .concept-model-object { width: 115px; height: 115px; }
  .concept-stock-sheet { width: 86%; }
  .concept-export-card { top: 14px; right: 14px; }
  .concept-feature-grid { grid-template-columns: 1fr; }
  .concept-feature-card,
  .concept-feature-large,
  .concept-feature-wide,
  .concept-feature-card:nth-child(3) { min-height: 390px; grid-column: auto; }
  .concept-feature-real,
  .concept-feature-card:nth-child(3).concept-feature-real { min-height: 0; }
  .concept-feature-real-media,
  .concept-feature-real-media-tall { min-height: 210px; }
  .concept-feature-visual { top: 160px; }
  .concept-studio-head { padding: 14px 16px; flex-direction: row; justify-content: space-between; }
  .concept-studio-viewport { min-height: 320px; height: 75vw; }
  .concept-studio-foot { padding: 12px 16px; flex-direction: column; align-items: flex-start; gap: 10px; }
  .concept-finishes { width: 100%; display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .concept-finish { padding: 6px 8px; font-size: 11px; }
  .concept-library-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .concept-library-card { padding: 10px; border-radius: 12px; }
  .concept-library-thumb { height: 78px; }
  .concept-library-meta strong { font-size: 12.5px; }
  .concept-library-meta span { font-size: 10.5px; }
  .concept-project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: auto; gap: 10px; }
  .concept-project-main { grid-column: 1 / -1; grid-row: auto; }
  .concept-project-grid figure:nth-child(2) { margin-top: 0; }
  .concept-project-grid figure:nth-child(3) { margin-top: 34px; }
  .concept-pricing-grid { gap: 40px; }
  #pricing .concept-price-card { grid-template-columns: 1fr; gap: 30px; padding: 28px 20px; border-radius: 14px; }
  #pricing .concept-price-summary { text-align: center; }
  #pricing .concept-price { justify-content: center; }
  #pricing .concept-price-action { grid-column: auto; }
  #pricing .concept-price strong { font-size: 58px; }
  .concept-faq { padding: 72px 0 96px; }
  .concept-faq-header { margin-bottom: 34px; }
  .concept-faq-item > button { padding: 20px 18px; }
  .concept-faq-item.open .concept-faq-answer > p,
  .concept-faq-answer[aria-hidden="false"] > p { padding: 0 48px 20px 18px; }
  .concept-ff-nav-group { flex-direction: column; gap: 28px; }
  .concept-ff-bottom-legal { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ============================================================
   DESIGN LIBRARY CATALOG PAGE (Swiss Industrial Design System)
   ============================================================ */
.concept-library-page {
  position: relative;
  z-index: 2;
  background: #070709;
  padding-top: 130px;
  padding-bottom: 120px;
  min-height: 100vh;
}

.concept-catalog-head {
  text-align: center;
  margin-bottom: 34px;
}
.concept-catalog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--c-font);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-text-3);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.concept-catalog-title {
  margin: 0 0 14px;
  font-family: var(--c-font);
  font-size: clamp(38px, 5.5vw, 64px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: #FFFFFF;
}
.concept-catalog-desc {
  margin: 0 auto;
  max-width: 540px;
  font-family: var(--c-font);
  font-size: clamp(14px, 1.6vw, 16.5px);
  line-height: 1.55;
  color: var(--c-text-2);
}

/* Filter Controls Bar (Floating & Centered) */
.concept-filter-section {
  margin-bottom: 38px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.concept-filter-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.concept-filter-chip {
  appearance: none;
  background: #0D0E12;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  padding: 7px 16px;
  font-family: var(--c-font);
  font-size: 12.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.65);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.concept-filter-chip:hover {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
}
.concept-filter-chip.active {
  color: #060608;
  background: #FFFFFF;
  border-color: #FFFFFF;
  font-weight: 600;
}

.concept-filter-subrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 2px;
}
.concept-status-group {
  display: flex;
  align-items: center;
  gap: 6px;
}
.concept-status-chip {
  appearance: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 9999px;
  padding: 4px 12px;
  font-family: var(--c-font);
  font-size: 11.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.concept-status-chip:hover {
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.15);
}
.concept-status-chip.active {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.22);
  font-weight: 500;
}
.concept-catalog-counter {
  font-family: var(--c-font);
  font-size: 12px;
  color: var(--c-text-3);
  letter-spacing: -0.01em;
}
.concept-catalog-counter strong {
  color: var(--c-text);
  font-weight: 600;
}

/* Catalog Grid (3-Column Swiss Showcase) */
.concept-catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 64px;
}

/* Bento-Inspired Full Design Overlay Card */
.concept-catalog-card {
  position: relative;
  overflow: hidden;
  background: #08080C;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  aspect-ratio: 16 / 11;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s ease,
              box-shadow 0.3s ease;
}
.concept-catalog-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.7), 0 0 25px rgba(255, 255, 255, 0.03);
}
.concept-catalog-card.is-hidden {
  display: none !important;
}

/* Layer 1: Full-Bleed CAD Vector Visual */
.concept-card-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.02) 0%, transparent 70%), #07070A;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 24px 24px;
}
.concept-card-media svg {
  max-width: 65%;
  max-height: 60%;
  width: auto;
  height: auto;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.6));
}
.concept-catalog-card:hover .concept-card-media svg {
  transform: scale(1.05);
}

/* CAD Technical Face & Line Rules */
.concept-card-media .mesh-face,
.concept-card-media .flat-face {
  fill: #111116;
  stroke: #2E2E38;
  stroke-width: 1.25;
}
.concept-card-media .fold-line {
  stroke: #3B82F6;
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
}

/* Layer 2: Gradient Noir Overlay (Bento Contrast) */
.concept-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(6, 6, 9, 0.96) 0%,
    rgba(6, 6, 9, 0.72) 32%,
    rgba(6, 6, 9, 0.16) 62%,
    transparent 100%
  );
}

/* Layer 3: Discrete Floating Status Badge (Top-Right) */
.concept-card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 4;
  font-family: var(--c-font);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 4px 10px;
  border-radius: 9999px;
  backdrop-filter: blur(8px);
  pointer-events: none;
}
.concept-card-badge.badge-recent {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.88);
}
.concept-card-badge.badge-upcoming {
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.28);
  color: #93C5FD;
}

/* Layer 4: Foreground Typography Anchored at Bottom */
.concept-card-copy {
  position: relative;
  z-index: 3;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  pointer-events: none;
}
.concept-card-name {
  margin: 0;
  font-family: var(--c-font);
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: -0.015em;
}
.concept-card-meta {
  font-family: var(--c-font);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.50);
  display: flex;
  align-items: center;
  gap: 6px;
}
.concept-card-meta .sep {
  opacity: 0.35;
}

/* Bottom CTA Banner */
.concept-catalog-cta-banner {
  background: #0C0D10;
  border: 1px solid var(--c-line);
  border-radius: 16px;
  padding: 44px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-top: 36px;
}
.concept-catalog-cta-copy h3 {
  margin: 0 0 8px;
  font-family: var(--c-font);
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--c-text);
}
.concept-catalog-cta-copy p {
  margin: 0;
  font-family: var(--c-font);
  font-size: 14.5px;
  color: var(--c-text-2);
  line-height: 1.55;
}

/* Link on Landing Section 6 */
.concept-library-link-wrap {
  margin-top: 24px;
  display: flex;
  justify-content: flex-start;
}
.concept-library-explore-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  font-family: var(--c-font);
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}
.concept-library-explore-link:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
}
.concept-library-explore-link svg {
  transition: transform 0.2s ease;
}
.concept-library-explore-link:hover svg {
  transform: translateX(3px);
}

/* Responsive for Catalog */
@media (max-width: 960px) {
  .concept-catalog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}
@media (max-width: 860px) {
  .concept-library-page {
    padding-top: 100px;
    padding-bottom: 80px;
    overflow-x: hidden;
  }
  .concept-library-page .concept-shell {
    width: min(1600px, calc(100% - 32px));
  }
  .concept-filter-section {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }
  .concept-filter-row {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    width: 100%;
    padding: 0 4px 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .concept-filter-row::-webkit-scrollbar {
    display: none;
  }
  .concept-filter-subrow {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }
  .concept-catalog-cta-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
  }
}
@media (max-width: 580px) {
  .concept-catalog-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .concept-catalog-card {
    aspect-ratio: 16 / 10;
  }
}