/* ==========================================================================
   HELIOS PV | MODERN CLEAN-TECH STYLING SYSTEM
   Ultra-smooth 60fps animations, Glassmorphism, Responsive Grid
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-primary: #070b14;
  --bg-secondary: #0d1527;
  --bg-card: rgba(13, 21, 39, 0.58);
  --bg-card-hover: rgba(18, 29, 54, 0.72);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(56, 189, 248, 0.35);
  --border-glow: rgba(56, 189, 248, 0.6);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-solar: #f59e0b;
  --accent-solar-glow: rgba(245, 158, 11, 0.25);
  --accent-cyan: #38bdf8;
  --accent-cyan-glow: rgba(56, 189, 248, 0.25);
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-purple: #a855f7;

  /* Typography */
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-tech: 'Space Grotesk', monospace;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s var(--ease-smooth);
}

/* --------------------------------------------------------------------------
   RESET & CORE BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   FIXED 3D WEBGL CANVAS & ATMOSPHERIC EFFECTS
   -------------------------------------------------------------------------- */
#webgl-container {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: auto;
  cursor: grab;
}

#webgl-container:active {
  cursor: grabbing;
}

.ambient-glow {
  position: fixed;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 2;
  opacity: 0.35;
}

.glow-top-left {
  top: -200px;
  left: -200px;
  background: radial-gradient(circle, var(--accent-cyan-glow), transparent 70%);
}

.glow-bottom-right {
  bottom: -200px;
  right: -200px;
  background: radial-gradient(circle, var(--accent-solar-glow), transparent 70%);
}

.cyber-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 2;
}



/* --------------------------------------------------------------------------
   HEADER: SOLAR PANEL CLEAN INDIA CLEAN ENERGY
   -------------------------------------------------------------------------- */
.solar-clean-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(7, 11, 20, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 50;
  pointer-events: auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.clean-header-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1.5rem;
}

.solar-icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.25), rgba(16, 185, 129, 0.25));
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: var(--accent-solar);
  font-size: 1rem;
  box-shadow: 0 0 14px rgba(245, 158, 11, 0.35);
}

.solar-header-title {
  font-family: var(--font-tech);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  line-height: 1;
}

.brand-primary {
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.tag-clean-india {
  color: #10b981;
  text-shadow: 0 0 12px rgba(16, 185, 129, 0.45);
}

.tag-clean-energy {
  color: var(--accent-solar);
  text-shadow: 0 0 12px rgba(245, 158, 11, 0.45);
}

.header-dot {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.75rem;
}

/* --------------------------------------------------------------------------
   SCROLL CONTAINER & SECTIONS
   -------------------------------------------------------------------------- */
.mobile-first-view-spacer {
  display: none;
}

.scroll-container {
  position: relative;
  z-index: 10;
  pointer-events: none; /* Let clicks reach 3D scene where cards don't cover */
}

.story-section {
  min-height: 125vh;
  padding: 7rem 4rem 5rem 4rem;
  display: flex;
  align-items: center;
  position: relative;
}

/* --------------------------------------------------------------------------
   SECTION 1: HERO OVERVIEW
   -------------------------------------------------------------------------- */
.section-hero {
  min-height: 100vh;
  padding-top: 5.5rem;
}

.hero-content-split {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

.hud-card {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  pointer-events: auto;
  transition: var(--transition-normal);
}

.hud-card:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
}

.hero-left-card {
  max-width: 480px;
}

.hero-right-card {
  max-width: 440px;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-tech);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-solar);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 0.35rem 0.85rem;
  border-radius: 30px;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 0.96rem;
  margin-bottom: 1.6rem;
}

.working-principle-box {
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--accent-cyan);
  padding: 1.1rem;
  border-radius: 0 10px 10px 0;
}

.working-principle-box h4 {
  font-family: var(--font-tech);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.working-principle-box p {
  font-size: 0.85rem;
  color: #cbd5e1;
}

/* Telemetry Grid */
.telemetry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-bottom: 1.8rem;
}

.telemetry-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.tel-label {
  font-family: var(--font-tech);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tel-value {
  font-family: var(--font-tech);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin: 0.2rem 0;
}

.tel-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.text-cyan { color: var(--accent-cyan) !important; }
.text-emerald { color: var(--accent-emerald) !important; }

.scroll-prompt-wrapper {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text-muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.2rem;
}

.scroll-mouse {
  width: 20px;
  height: 32px;
  border: 2px solid var(--text-dim);
  border-radius: 12px;
  position: relative;
  flex-shrink: 0;
}

.scroll-wheel {
  width: 4px;
  height: 6px;
  background: var(--accent-solar);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 1.5s infinite;
}

@keyframes scrollWheel {
  0% { top: 6px; opacity: 1; }
  100% { top: 16px; opacity: 0; }
}

/* --------------------------------------------------------------------------
   COMPONENT DEEP-DIVE STEP CARDS (SCROLL UNPACKING)
   -------------------------------------------------------------------------- */
.component-step {
  justify-content: flex-start;
}

.step-card {
  width: 100%;
  max-width: 520px;
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.2rem;
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.7);
  pointer-events: auto;
  transition: var(--transition-normal);
  transform: translateY(0);
}

.step-card:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
}

.step-card.left-aligned {
  margin-left: 5%;
}

.step-card.right-aligned {
  margin-left: auto;
  margin-right: 5%;
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.step-counter {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  letter-spacing: 0.12em;
  font-weight: 700;
}

.step-badge {
  font-family: var(--font-tech);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  letter-spacing: 0.06em;
}

.frame-badge { background: rgba(148, 163, 184, 0.2); color: #e2e8f0; border: 1px solid #94a3b8; }
.glass-badge { background: rgba(56, 189, 248, 0.2); color: #38bdf8; border: 1px solid #38bdf8; }
.eva-badge { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid #10b981; }
.cell-badge { background: rgba(12, 35, 75, 0.45); color: #93c5fd; border: 1px solid #1d4ed8; }
.backsheet-badge { background: rgba(241, 245, 249, 0.2); color: #f8fafc; border: 1px solid #cbd5e1; }
.jbox-badge { background: rgba(249, 115, 22, 0.2); color: #fb923c; border: 1px solid #ea580c; }

.step-title {
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.35rem;
}

.step-role {
  font-family: var(--font-tech);
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 1.4rem;
}

.info-block {
  margin-bottom: 1.2rem;
}

.info-label {
  font-family: var(--font-tech);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-solar);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.info-block p {
  font-size: 0.88rem;
  color: #cbd5e1;
  line-height: 1.55;
}

.substance-box {
  background: rgba(255, 255, 255, 0.04);
  border-left: 3px solid var(--accent-solar);
  padding: 0.85rem 1rem;
  border-radius: 0 10px 10px 0;
}

.substance-desc {
  font-size: 0.86rem;
  color: #fff;
}

/* Mini Specs Grid */
.specs-mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-subtle);
}

.spec-node {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  display: flex;
  flex-direction: column;
}

.spec-k {
  font-family: var(--font-tech);
  font-size: 0.68rem;
  color: var(--text-dim);
}

.spec-v {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  margin-top: 0.15rem;
}

/* --------------------------------------------------------------------------
   FULL-WIDTH EDUCATIONAL CONTENT SECTIONS (LIFESPAN, REGULATIONS, RECYCLING)
   -------------------------------------------------------------------------- */
.content-page-section {
  min-height: 100vh;
  padding: 8rem 2.5rem;
  background: linear-gradient(180deg, transparent 0%, rgba(7, 11, 20, 0.95) 15%, rgba(7, 11, 20, 0.98) 85%, transparent 100%);
  display: block;
}

.content-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  pointer-events: auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-tech);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.35rem 0.9rem;
  border-radius: 30px;
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
}

.section-title {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.section-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 820px;
  margin-bottom: 3.5rem;
  line-height: 1.7;
}

/* Lifespan Degradation Visual Card */
.timeline-visual-card {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.5rem;
  margin-bottom: 3.5rem;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.chart-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
}

.chart-badge {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
}

.lifespan-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 240px;
  gap: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
}

.bar-fill {
  width: 100%;
  max-width: 70px;
  background: linear-gradient(180deg, var(--accent-cyan), #0284c7);
  border-radius: 8px 8px 0 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 0.6rem;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
  transition: height 1s var(--ease-smooth);
}

.bar-col.highlight-bar .bar-fill {
  background: linear-gradient(180deg, var(--accent-solar), #d97706);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

.bar-col.bonus-bar .bar-fill {
  background: linear-gradient(180deg, var(--accent-emerald), #059669);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.bar-val {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.bar-year {
  font-family: var(--font-tech);
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  margin-top: 0.85rem;
}

.bar-desc {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: center;
}

/* Durability 3-Grid */
.durability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.dura-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.8rem;
  transition: var(--transition-normal);
}

.dura-card:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
}

.dura-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.3rem;
  margin-bottom: 1.2rem;
}

.dura-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.dura-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   REGULATIONS GRID
   -------------------------------------------------------------------------- */
.regulations-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.policy-card {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.policy-card:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
}

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

.jurisdiction-tag {
  font-family: var(--font-tech);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-solar);
  letter-spacing: 0.1em;
}

.policy-ico {
  color: var(--text-dim);
  font-size: 1.2rem;
}

.policy-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
}

.policy-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 1.8rem;
}

.policy-metric {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 0.85rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.pm-num {
  font-family: var(--font-tech);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.pm-lbl {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   ZERO-WASTE RECYCLING SECTION
   -------------------------------------------------------------------------- */
.recycling-steps-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.recycle-stage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 1.8rem;
  position: relative;
  transition: var(--transition-normal);
}

.recycle-stage-card:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
}

.stage-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.1);
  position: absolute;
  top: 1.2rem;
  right: 1.4rem;
}

.stage-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1.2rem;
}

.recycle-stage-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.stage-yield {
  display: inline-block;
  font-family: var(--font-tech);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-emerald);
  margin-bottom: 0.85rem;
}

.recycle-stage-card p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Material Mass Composition Card */
.material-mass-card {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.mass-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.8rem;
}

.mass-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
}

.mass-header span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.mass-bar-track {
  height: 36px;
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mass-segment {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-tech);
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  transition: opacity 0.2s ease;
}

.mass-segment:hover {
  opacity: 0.85;
}

.seg-glass { background: #38bdf8; color: #070b14; }
.seg-aluminum { background: #94a3b8; color: #070b14; }
.seg-polymers { background: #a855f7; }
.seg-silicon { background: #3b82f6; }
.seg-metals { background: #f59e0b; color: #070b14; }

.mass-legend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
}

.m-legend-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

.dot-glass { background: #38bdf8; }
.dot-aluminum { background: #94a3b8; }
.dot-polymers { background: #a855f7; }
.dot-silicon { background: #3b82f6; }
.dot-metals { background: #f59e0b; }



/* --------------------------------------------------------------------------
   END SHOWCASE SPACE (FOR ALL SCREEN TYPES)
   Full-screen dedicated viewing area for automated exploded 3D model animation
   -------------------------------------------------------------------------- */
.end-showcase-space {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding-bottom: 3.5rem;
  pointer-events: none;
  box-sizing: border-box;
  position: relative;
}

.showcase-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-tech);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  background: rgba(7, 11, 20, 0.60);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 0.65rem 1.4rem;
  border-radius: 30px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(56, 189, 248, 0.2);
  pointer-events: auto;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
}

.showcase-status-badge i {
  color: var(--accent-cyan);
}

.live-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulseGlow 1.8s infinite ease-in-out;
}

@keyframes pulseGlow {
  0%, 100% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN (TABLETS & MOBILE)
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .hero-content-split {
    flex-direction: column;
  }
  .hero-left-card, .hero-right-card {
    max-width: 100%;
  }
  .regulations-grid {
    grid-template-columns: 1fr;
  }
  .recycling-steps-flow {
    grid-template-columns: repeat(2, 1fr);
  }
  .durability-grid {
    grid-template-columns: 1fr;
  }
}

/* Tablet & Mobile: Transparent Glass Cards to Keep 3D Model Fully Visible */
@media (max-width: 1024px) {
  .step-card,
  .hud-card {
    background: rgba(7, 11, 20, 0.28) !important;
    backdrop-filter: blur(6px) !important;
    -webkit-backdrop-filter: blur(6px) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35) !important;
  }

  .step-card:hover,
  .hud-card:hover {
    background: rgba(7, 11, 20, 0.36) !important;
    border-color: var(--border-active) !important;
  }

  .step-card,
  .hud-card,
  .info-block p,
  .substance-desc,
  .hero-desc,
  .step-role {
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
  }

  .step-title,
  .hero-title,
  .info-label,
  .spec-v {
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.95);
  }

  .substance-box,
  .working-principle-box {
    background: rgba(0, 0, 0, 0.28) !important;
    backdrop-filter: blur(4px) !important;
    -webkit-backdrop-filter: blur(4px) !important;
  }

  .spec-node,
  .telemetry-card {
    background: rgba(0, 0, 0, 0.3) !important;
    backdrop-filter: blur(4px) !important;
    -webkit-backdrop-filter: blur(4px) !important;
  }
}

@media (max-width: 768px) {
  .solar-clean-header {
    height: 52px;
  }
  .solar-header-title {
    font-size: 0.94rem;
    letter-spacing: 0.03em;
    gap: 0.35rem;
  }
  .solar-icon-badge {
    width: 28px;
    height: 28px;
    font-size: 0.85rem;
  }
  /* Full window space in first view of mobile screen so users see 3D model unobstructed */
  .mobile-first-view-spacer {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    width: 100%;
    height: calc(100vh - 52px);
    height: calc(100svh - 52px);
    padding-bottom: 2rem;
    pointer-events: none;
    box-sizing: border-box;
  }

  .mobile-scroll-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-tech);
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    background: rgba(7, 11, 20, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 0.45rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    animation: mobileBounce 2.2s infinite ease-in-out;
  }

  .mobile-scroll-hint i {
    font-size: 0.72rem;
    color: var(--accent-solar);
  }

  @keyframes mobileBounce {
    0%, 100% {
      transform: translateY(0);
      opacity: 0.75;
    }
    50% {
      transform: translateY(6px);
      opacity: 1;
    }
  }

  .section-hero {
    padding-top: 2.5rem;
  }
  .story-section {
    padding: 3.5rem 1rem 2.5rem 1rem;
    min-height: 105vh;
  }
  .step-card {
    max-width: 100%;
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding: 1.35rem 1.15rem;
    background: rgba(7, 11, 20, 0.20) !important;
    backdrop-filter: blur(5px) !important;
    -webkit-backdrop-filter: blur(5px) !important;
  }
  .hud-card {
    padding: 1.4rem 1.15rem;
    background: rgba(7, 11, 20, 0.20) !important;
    backdrop-filter: blur(5px) !important;
    -webkit-backdrop-filter: blur(5px) !important;
  }
  .interactive-hint {
    display: none;
  }
  .lifespan-bars {
    height: 180px;
    gap: 0.6rem;
  }
  .recycling-steps-flow {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .step-title {
    font-size: 1.55rem;
  }
  .step-role {
    font-size: 0.82rem;
    margin-bottom: 1rem;
  }
  .info-block {
    margin-bottom: 0.9rem;
  }
  .specs-mini-grid {
    margin-top: 1rem;
    padding-top: 0.9rem;
  }
  .end-showcase-space {
    min-height: 95vh;
    min-height: 95svh;
    padding-bottom: 2rem;
  }
  .showcase-status-badge {
    font-size: 0.72rem;
    padding: 0.45rem 1rem;
    letter-spacing: 0.05em;
  }
}