@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Syne:wght@700;800&display=swap');

:root {
  --alpha-bg: #050A0E;
  --alpha-surface: #0C1C1F;
  --alpha-deep: #0C4A41;
  --alpha-emerald: #157160;
  --alpha-energy: #25EE8D;
  --alpha-energy-soft: #94F0B7;
  --alpha-text: #E2F4F1;

  --bg-near-black: #050A0E;
  --bg-black: #000000;
  --text-white: #E2F4F1;
  --text-muted: #8A9A9D;
  --brand-emerald: #0C4A41;
  --brand-emerald-light: #157160;
  --brand-mint: #25EE8D;
  --brand-mint-soft: #94F0B7;
  --brand-olive: #25EE8D;
  --brand-olive-dark: #0C4A41;
  --brand-olive-light: #94F0B7;
  --border-subtle: rgba(255, 255, 255, 0.08);
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-black);
  color: var(--text-white);
  overflow-x: hidden;
}

body {
  background-color: var(--bg-black);
  color: var(--text-white);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

/* Stacking Architecture for Sci-Fi Canvas Layer */
#alphatech-sci-fi-canvas {
  position: fixed !important;
  inset: 0 !important;
  z-index: 0 !important;
  pointer-events: none !important;
}

main, section, footer {
  position: relative;
  z-index: 1;
}

.text-olive {
  color: var(--brand-olive);
}

.bg-olive {
  background-color: var(--brand-olive);
}

/* Translucent Section Backgrounds for High-Intensity Sci-Fi Ambient Exposure */
.bg-near-black {
  background-color: rgba(6, 9, 10, 0.65);
}

.bg-near-black-translucent {
  background: linear-gradient(180deg, rgba(6, 9, 10, 0.5) 0%, rgba(0, 0, 0, 0.2) 50%, rgba(6, 9, 10, 0.5) 100%);
}

.bg-black {
  background-color: rgba(0, 0, 0, 0.6);
}

.bg-black-pure {
  background-color: rgba(0, 0, 0, 0.78) !important;
}

.bg-transparent-scifi {
  background-color: transparent !important;
}

/* Lifestyle Image Embedded Edge Glow & Ambient Frame */
.lifestyle-embedded-frame {
  position: relative;
  border: 1px solid rgba(130, 134, 1, 0.15);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.8) inset, 0 0 35px rgba(130, 134, 1, 0.08);
}

/* Preloader Sequence */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: #000000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.8s ease;
}

#preloader.preloader-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-logo {
  animation: preloaderScale 2.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes preloaderScale {
  0% {
    opacity: 0;
    transform: scale(0.65);
  }
  25% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .preloader-logo {
    animation: none !important;
    opacity: 1;
    transform: scale(1);
  }
}

/* Header styling */
.header-transparent {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0) 100%);
}

.header-scrolled {
  background: rgba(6, 9, 10, 0.95);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
}

/* Minimal Olive Link Button */
.btn-olive {
  background-color: var(--brand-olive);
  color: #000000;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  padding: 0.85rem 1.75rem;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--brand-olive);
}

.btn-olive:hover {
  background-color: var(--brand-olive-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(130, 134, 1, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--text-white);
  border: 1px solid var(--border-subtle);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  padding: 0.85rem 1.75rem;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-outline:hover {
  border-color: var(--brand-olive);
  color: var(--brand-olive);
  background: rgba(130, 134, 1, 0.05);
}

/* Cinematic product section visual hover */
.cinematic-product-visual img {
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
}

.cinematic-product-visual:hover img {
  transform: scale(1.04);
  filter: brightness(1.08);
}

/* Custom Scroll Indicator */
.vertical-scroll-indicator {
  writing-mode: vertical-lr;
  letter-spacing: 0.25em;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: rgba(243, 243, 243, 0.6);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.vertical-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, var(--brand-olive) 0%, rgba(255,255,255,0.1) 100%);
  animation: pulseLine 2.4s infinite ease-in-out;
}

@keyframes pulseLine {
  0%, 100% { opacity: 0.3; height: 36px; }
  50% { opacity: 1; height: 56px; }
}

/* Scroll-triggered reveal animation */
.fade-in-up {
  opacity: 1 !important;
  transform: translateY(0) !important;
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-up.reveal-visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .fade-in-up {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #000000;
}
::-webkit-scrollbar-thumb {
  background: #1C2124;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-olive);
}

/* ============================================================= */
/* PHASE 13.2: INTRO ENERGY WORLD & INTERACTIVE ENTRY GATE */
/* ============================================================= */
#entry-gate, .intro-chamber-void {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background-color: #030506;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              filter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.intro-vignette-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(3, 5, 6, 0) 25%, rgba(3, 5, 6, 0.65) 65%, rgba(3, 5, 6, 0.98) 100%);
  pointer-events: none;
  z-index: 2;
}

#entry-gate.gateway-dark-phase {
  background-color: #000000 !important;
}

#entry-gate.gateway-dark-phase .intro-core-container,
#entry-gate.gateway-dark-phase #intro-energy-canvas {
  opacity: 0 !important;
  transition: opacity 0.5s ease;
}

#entry-gate.entry-gate-discharging {
  pointer-events: none;
}

#entry-gate.entry-gate-hidden {
  opacity: 0 !important;
  transform: scale(1.08);
  filter: blur(18px) !important;
  pointer-events: none !important;
  visibility: hidden !important;
}

body.site-entered {
  overflow: auto !important;
}

body.site-entered main,
body.site-entered header,
body.site-entered section,
body.site-entered footer {
  pointer-events: auto !important;
}

/* Homepage Cinematic Light-Up Stages (Phase 13.4) */
body.homepage-gateway-hidden main,
body.homepage-gateway-hidden header,
body.homepage-gateway-hidden section {
  filter: brightness(0) opacity(0) contrast(1.8);
  transition: filter 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

body.homepage-gateway-emerging main,
body.homepage-gateway-emerging header,
body.homepage-gateway-emerging section {
  filter: brightness(0.35) opacity(0.5) contrast(1.3);
  transition: filter 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

body.homepage-gateway-illuminated main,
body.homepage-gateway-illuminated header,
body.homepage-gateway-illuminated section {
  filter: brightness(1) opacity(1) contrast(1);
  transition: filter 1.0s ease-out;
}

/* Semantic Button Control (No Button Chrome) */
.entry-logo-button, .entry-logo-wrapper {
  background: none !important;
  border: none !important;
  padding: 2.2rem;
  margin: 0;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 20;
  pointer-events: auto !important;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  outline: none;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.entry-logo-button:hover, .entry-logo-wrapper:hover {
  transform: scale(1.06);
}

.entry-logo-button:active, .entry-logo-wrapper:active {
  transform: scale(0.96);
}

.entry-logo-button:focus-visible {
  outline: 2px solid var(--brand-olive);
  outline-offset: 8px;
  border-radius: 50%;
}

/* Layered Power Core Ambient Glow (Phase 20D Futuristic Mint & Emerald Glow) */
.entry-logo-glow {
  position: absolute;
  width: clamp(260px, 32vw, 420px);
  height: clamp(260px, 32vw, 420px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 238, 141, 0.45) 0%, rgba(12, 74, 65, 0.25) 45%, rgba(5, 10, 14, 0) 75%);
  animation: logoGlowBreathing 4.5s infinite ease-in-out;
  pointer-events: none;
  z-index: 2;
}

.entry-logo-core-haze {
  position: absolute;
  width: clamp(170px, 20vw, 270px);
  height: clamp(170px, 20vw, 270px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(226, 244, 241, 0.5) 0%, rgba(37, 238, 141, 0.35) 40%, rgba(0, 0, 0, 0) 70%);
  filter: blur(12px);
  pointer-events: none;
  z-index: 3;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.entry-logo-button:hover .entry-logo-core-haze {
  transform: scale(1.25);
  opacity: 1;
}

@keyframes logoGlowBreathing {
  0%, 100% {
    transform: scale(0.95);
    opacity: 0.55;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.95;
  }
}

.entry-logo-img {
  position: relative;
  z-index: 5;
  height: clamp(75px, 10vw, 125px);
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 25px rgba(37, 238, 141, 0.6));
  transition: filter 0.4s ease, transform 0.4s ease;
}

.entry-logo-button:hover .entry-logo-img {
  filter: drop-shadow(0 0 48px rgba(37, 238, 141, 0.95));
}

/* Energy Strike Flash Overlay (Phase 20D Mint Burst) */
.energy-strike-flash {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(226, 244, 241, 0.95) 0%, rgba(37, 238, 141, 0.8) 40%, rgba(5, 10, 14, 0) 80%);
  opacity: 0;
  pointer-events: none;
  z-index: 10;
}

.strike-animating .energy-strike-flash {
  animation: strikeFlashBurst 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes strikeFlashBurst {
  0% {
    opacity: 0;
    transform: scale(0.2);
  }
  25% {
    opacity: 1;
    transform: scale(1.5);
  }
  100% {
    opacity: 0;
    transform: scale(2.5);
  }
}

/* ==================== PHASE 20D: 3-SECOND CINEMATIC PORTAL ENTRY TRANSITION ==================== */
.portal-animating #entry-gate {
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1) 1.8s, transform 1.2s cubic-bezier(0.16, 1, 0.3, 1) 1.8s;
  pointer-events: none !important;
}

.portal-animating .entry-logo-button {
  animation: portalLogoZoom 2.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes portalLogoZoom {
  0% {
    transform: scale(1);
    filter: drop-shadow(0 0 25px rgba(37, 238, 141, 0.6));
  }
  30% {
    transform: scale(1.3);
    filter: drop-shadow(0 0 65px rgba(37, 238, 141, 1));
  }
  70% {
    transform: scale(3.5);
    opacity: 0.8;
    filter: drop-shadow(0 0 100px rgba(12, 74, 65, 1));
  }
  100% {
    transform: scale(6.0);
    opacity: 0;
  }
}

/* Discreet Global Sound Toggle Button */
.sound-toggle-btn {
  background: rgba(5, 10, 14, 0.7);
  border: 1px solid var(--border-subtle);
  color: var(--text-white);
  padding: 0.4rem 0.85rem;
  border-radius: 2px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.sound-toggle-btn:hover {
  border-color: var(--brand-mint);
  color: var(--brand-mint);
  background: rgba(37, 238, 141, 0.1);
}

.sound-toggle-btn.muted {
  color: var(--text-muted);
  border-color: rgba(255, 255, 255, 0.1);
}

/* ==================== PHASE 20C: FEATURED PRODUCTS LIFESTYLE-FIRST SHOWCASE & BRAND BRIDGE ==================== */

/* Utility Color Classes */
.text-mint-accent {
  color: var(--brand-mint) !important;
}

.bg-mint-accent {
  background-color: var(--brand-mint) !important;
}

.border-emerald-deep {
  border-color: rgba(12, 74, 65, 0.5) !important;
}

/* Pinned Sticky Section Stage */
.showcase-pin-container {
  position: relative;
  z-index: 10;
  width: 100%;
}

@media (min-width: 769px) {
  .showcase-pin-container {
    height: 75vh; /* Precision Phase 20M-1: 65vh pin distance + 10vh handoff margin */
  }

  .showcase-sticky-viewport {
    position: sticky;
    top: 0;
    z-index: 10;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: var(--bg-black);
  }
}

@media (max-width: 768px) {
  .showcase-pin-container {
    height: auto;
  }
  .showcase-sticky-viewport {
    position: relative;
    height: auto;
    padding-top: 2rem;
    padding-bottom: 4rem;
  }
}

/* Desktop Horizontal Track (5 Vertical Panels) */
.showcase-desktop-track {
  display: flex;
  width: 100%;
  height: 90vh;
  max-height: 900px;
  min-height: 580px;
  gap: 0;
  border: none;
  overflow: hidden;
  position: relative;
  background: #030506;
  transition: transform 0.15s ease-out, opacity 0.15s ease-out;
  will-change: transform, opacity;
}

/* Individual Product Panel */
.showcase-panel {
  position: relative;
  flex: 1 1 13%;
  height: 100%;
  overflow: hidden;
  text-decoration: none !important;
  color: var(--text-white);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  transition: flex 0.75s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.5s ease;
  user-select: none;
}

.showcase-panel:last-child {
  border-right: none;
}

/* Active State Expansion (~44vw dominant width) */
.showcase-panel.is-active {
  flex: 3.4 1 44%;
  z-index: 5;
  border-right-color: rgba(37, 238, 141, 0.25);
}

/* Atmospheric Lifestyle Background Layer (HIGH VISIBILITY: 0.78-0.92) */
.showcase-panel-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-size: cover;
  background-position: center;
  filter: brightness(0.68) contrast(1.12);
  transition: filter 0.8s ease, transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(1.0);
}

.showcase-panel.is-active .showcase-panel-bg {
  filter: brightness(0.88) contrast(1.15);
  transform: scale(1.04);
}

.showcase-panel-vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: radial-gradient(circle at center, rgba(5, 10, 14, 0.02) 0%, rgba(0, 0, 0, 0.65) 90%),
              linear-gradient(to top, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.15) 50%, rgba(0,0,0,0.4) 100%);
  pointer-events: none;
}

/* Refined Dark Emerald Environment Layer for BS5000 & H12 PRO */
.showcase-panel-fallback-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at 50% 45%, rgba(12, 74, 65, 0.28) 0%, rgba(5, 10, 14, 0.95) 75%),
              linear-gradient(180deg, #050a0e 0%, #010203 100%);
  transition: background 0.6s ease;
}

.showcase-panel.is-active .showcase-panel-fallback-bg {
  background: radial-gradient(ellipse at 50% 45%, rgba(12, 74, 65, 0.45) 0%, rgba(5, 10, 14, 0.92) 80%),
              linear-gradient(180deg, #081014 0%, #010203 100%);
}

/* Index Indicator Badge */
.showcase-panel-number {
  position: absolute;
  top: 2rem;
  left: 2rem;
  z-index: 4;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.25em;
  color: var(--brand-mint);
  opacity: 0.7;
  transition: opacity 0.4s ease, color 0.4s ease;
}

.showcase-panel.is-active .showcase-panel-number {
  opacity: 1;
  color: var(--brand-mint);
}

/* Editorial Typography Overlay */
.showcase-panel-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 4;
  padding: 3.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  pointer-events: none;
  background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.55) 60%, rgba(0,0,0,0) 100%);
}

.showcase-panel-category {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.35em;
  color: var(--brand-mint);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  opacity: 0.85;
  transition: opacity 0.5s ease 0.1s, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
}

.showcase-panel-brand {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  opacity: 0.85;
  transition: opacity 0.4s ease, color 0.4s ease;
}

.showcase-panel-title {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-white);
  text-transform: uppercase;
  transition: font-size 0.5s ease, color 0.4s ease;
}

.title-compact {
  display: inline;
}
.title-expanded {
  display: none;
}

.showcase-panel.is-active .title-compact {
  display: none;
}
.showcase-panel.is-active .title-expanded {
  display: block;
}

.showcase-panel.is-active .showcase-panel-title {
  font-size: 2.75rem;
  color: var(--text-white);
  line-height: 1.0;
}

.showcase-panel-descriptor {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-white);
  text-transform: uppercase;
  margin-top: 0.65rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease 0.15s, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.15s;
}

.showcase-panel.is-active .showcase-panel-category {
  opacity: 1;
}

.showcase-panel.is-active .showcase-panel-descriptor {
  opacity: 1;
  transform: translateY(0);
}

/* Explore Link Indicator on Active Panel */
.showcase-panel-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  color: var(--brand-mint);
  text-transform: uppercase;
  margin-top: 1.2rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease 0.2s, transform 0.5s ease 0.2s, color 0.3s ease;
}

.showcase-panel.is-active .showcase-panel-cta {
  opacity: 1;
  transform: translateY(0);
}

.showcase-panel:hover .showcase-panel-cta {
  color: var(--brand-mint-soft);
}

/* Mobile Horizontal Carousel Track (~390px) */
.showcase-mobile-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: 1.25rem;
  padding: 1rem 1.5rem 3rem 1.5rem;
  scrollbar-width: none;
}

.showcase-mobile-track::-webkit-scrollbar {
  display: none;
}

.showcase-mobile-card {
  flex: 0 0 88vw;
  max-width: 400px;
  height: 68vh;
  min-height: 500px;
  scroll-snap-align: center;
  position: relative;
  overflow: hidden;
  background: #050a0e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none !important;
  color: var(--text-white);
}

.showcase-mobile-card .showcase-panel-category,
.showcase-mobile-card .showcase-panel-descriptor,
.showcase-mobile-card .showcase-panel-cta {
  opacity: 1;
  transform: translateY(0);
}

.showcase-mobile-card .showcase-panel-title {
  font-size: 2rem;
}



/* Phase 20F RV Lifestyle Chapter */
#lifestyle-chapter-rv {
  min-height: 75vh;
}

/* Phase 22J Full Visibility Marine Usage Infographic Presentation */
#lifestyle-chapter-marine {
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: #050a0e;
}

.marine-fullbleed-container {
  position: relative;
  width: 100%;
  max-width: 1500px;
  margin-inline: auto;
  overflow: hidden;
  background: #000000;
}

.marine-fullbleed-container img {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center center;
  filter: brightness(0.95) contrast(1.05);
  display: block;
}

@media (max-width: 768px) {
  .marine-fullbleed-container {
    width: 100%;
    margin-inline: auto;
  }

  .marine-fullbleed-container img {
    width: 100%;
    height: auto;
    object-fit: contain;
  }
}

#lifestyle-chapter-camping {
  min-height: 85vh;
}

.stagger-text-item {
  will-change: transform, opacity;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reduced Motion Fallback */
@media (prefers-reduced-motion: reduce) {
  .cinematic-scene,
  .stagger-text-item {
    transform: none !important;
    transition: opacity 0.2s ease !important;
  }
}

/* Phase 21B — POWISER BS5000 Homepage Showcase Crop & Art Direction */
.showcase-panel[data-id="bs5000"] .showcase-panel-bg {
  background-position: 42% 35%;
}

.showcase-mobile-card[data-id="bs5000"] .showcase-panel-bg {
  background-position: 35% 30%;
}

/* POWISER H12 PRO Homepage Showcase Crop */
.showcase-panel[data-id="h12-pro"] .showcase-panel-bg {
  background-position: 25% 40%;
}

.showcase-mobile-card[data-id="h12-pro"] .showcase-panel-bg {
  background-position: 30% 35%;
}

/* ==================== PHASE 23B MOBILE VISUAL QA CORRECTIONS ==================== */
@media (max-width: 768px) {
  /* RV Mobile Infographic Presentation */
  #lifestyle-chapter-rv {
    min-height: auto !important;
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
    background-color: #050a0e;
  }

  .rv-fullbleed-container {
    position: relative;
    width: 100%;
    margin-inline: auto;
    overflow: hidden;
    background: #000000;
  }

  .rv-fullbleed-container img {
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center center;
    display: block;
  }

  /* Marine Mobile Safe Padding */
  #lifestyle-chapter-marine {
    padding-top: 2.5rem !important;
    padding-bottom: 2.5rem !important;
  }

  /* Catalog Cards Mobile Product Image Sizing */
  .catalog-product-card img,
  #catalog-products-grid img {
    max-height: 200px;
    object-fit: contain;
  }

  /* Mobile Header Backdrop Blur Optimization (Phase 2C.5B) */
  .header-scrolled {
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
  }
}