/* ==========================================================================
   RS - ZERO-GRAVITY E-COMMERCE & DROPSHIPPING RESOURCE HUB
   Anti-Gravity Design System, Floating Physics & Glassmorphism Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties & Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Deep Space & Cosmic Neons */
  --bg-space-dark: #070913;
  --bg-space-deep: #0b0f1d;
  --bg-space-card: rgba(15, 23, 42, 0.65);
  --bg-space-card-hover: rgba(26, 36, 64, 0.75);
  --bg-glass-subtle: rgba(255, 255, 255, 0.03);
  --bg-glass-input: rgba(13, 19, 36, 0.7);

  /* Primary Accent & Energy Gradients */
  --accent-cyan: #06b6d4;
  --accent-cyan-bright: #00d4ff;
  --accent-cyan-glow: rgba(0, 212, 255, 0.4);
  --accent-indigo: #6366f1;
  --accent-indigo-glow: rgba(99, 102, 241, 0.4);
  --accent-purple: #a855f7;
  --accent-purple-glow: rgba(168, 85, 247, 0.35);
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.35);
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  /* Typography Colors */
  --text-pure: #ffffff;
  --text-heading: #f8fafc;
  --text-body: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #38bdf8;

  /* Borders & Highlights */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-bright: rgba(255, 255, 255, 0.18);
  --border-glow-cyan: rgba(0, 212, 255, 0.45);
  --border-glow-indigo: rgba(99, 102, 241, 0.45);

  /* Anti-Gravity Shadow Tokens */
  --shadow-weightless: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-float-sm: 0 12px 32px -8px rgba(6, 182, 212, 0.18), 0 4px 16px -2px rgba(0, 0, 0, 0.4);
  --shadow-float-md: 0 20px 48px -12px rgba(99, 102, 241, 0.25), 0 8px 24px -4px rgba(0, 0, 0, 0.5);
  --shadow-float-lg: 0 30px 70px -15px rgba(6, 182, 212, 0.3), 0 12px 36px -6px rgba(0, 0, 0, 0.6);
  --shadow-neon-cyan: 0 4px 15px rgba(0, 212, 255, 0.4), 0 0 35px rgba(0, 212, 255, 0.2);
  --shadow-neon-indigo: 0 0 25px rgba(99, 102, 241, 0.5), 0 0 50px rgba(99, 102, 241, 0.2);

  /* Layout, Radius & Transitions */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --max-width: 1280px;
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Base Setup
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-space-dark);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(168, 85, 247, 0.09) 0%, transparent 60%);
  background-attachment: fixed;
}

/* Canvas Particle Gravity Background */
#gravity-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

/* Cosmic Ambient Lighting Orbs */
.cosmic-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  animation: orbDrift 20s infinite alternate ease-in-out;
}
.cosmic-orb-1 {
  top: -100px;
  right: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25), transparent 70%);
}
.cosmic-orb-2 {
  top: 40%;
  left: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2), transparent 70%);
  animation-delay: -7s;
}
.cosmic-orb-3 {
  bottom: 10%;
  right: -100px;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.18), transparent 70%);
  animation-delay: -12s;
}

@keyframes orbDrift {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.1); }
  100% { transform: translate(-30px, 60px) scale(0.95); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-space-dark);
}
::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-space-dark);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Selection */
::selection {
  background: var(--accent-indigo);
  color: #fff;
}

/* Common Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #38bdf8 50%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-cyan {
  background: linear-gradient(135deg, #38bdf8 0%, #00d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Section Header Styles */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  color: #a5b4fc;
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(8px);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.badge-tag.cyan {
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.3);
  color: #67e8f9;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.badge-tag.emerald {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

.badge-tag .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan-bright);
  box-shadow: 0 0 8px var(--accent-cyan-bright);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.6); opacity: 0.5; }
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-body);
}

/* --------------------------------------------------------------------------
   3. Anti-Gravity Floating Animations & Glassmorphism Utilities
   -------------------------------------------------------------------------- */
.glass-panel {
  background: var(--bg-space-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-weightless);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: var(--border-glass-bright);
  box-shadow: var(--shadow-float-md);
}

/* Weightless Levitation Classes */
.float-slow {
  animation: antiGravityFloat 6s ease-in-out infinite;
}
.float-medium {
  animation: antiGravityFloat 4.8s ease-in-out infinite;
}
.float-fast {
  animation: antiGravityFloat 3.6s ease-in-out infinite;
}
.float-delayed {
  animation: antiGravityFloat 5.2s ease-in-out infinite 2s;
}
.float-reverse {
  animation: antiGravityFloatReverse 5.5s ease-in-out infinite;
}

@keyframes antiGravityFloat {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(0.4deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes antiGravityFloatReverse {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(12px) rotate(-0.4deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

/* 3D Tilt Card Container */
.tilt-card {
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform 0.2s ease-out, border-color 0.3s ease, box-shadow 0.3s ease;
  will-change: transform;
}

/* Neon Glow Accents */
.glow-cyan {
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.35);
}
.glow-indigo {
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.25);
}
.glow-purple {
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.25);
}

/* --------------------------------------------------------------------------
   4. Buttons & Anti-Gravity Download Button
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-spring);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);
  color: #ffffff;
  box-shadow: 0 8px 24px -4px rgba(6, 182, 212, 0.4), 0 0 20px rgba(99, 102, 241, 0.25);
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: 0.6s ease;
  z-index: -1;
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 32px -4px rgba(0, 212, 255, 0.55), 0 0 35px rgba(99, 102, 241, 0.4);
}
.btn-primary:hover::before {
  left: 100%;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.5);
  color: var(--accent-cyan-bright);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px -5px rgba(0, 212, 255, 0.25);
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.85rem;
}

.btn-glow-emerald {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 8px 20px -4px rgba(16, 185, 129, 0.4);
}
.btn-glow-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -4px rgba(16, 185, 129, 0.6);
}

/* Anti-Gravity Direct Download Button with Glowing Cyan Shadow */
.btn-anti-gravity-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  color: #ffffff;
  
  /* Dark Cosmic Background & Neon Cyan Border */
  background: radial-gradient(circle at top left, rgba(6, 182, 212, 0.18) 0%, #0b0f1d 100%);
  border: 1px solid rgba(0, 212, 255, 0.45);
  border-radius: var(--radius-full);
  
  /* Weightless Ambient Glow */
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4), 
              0 10px 25px -5px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  
  /* Smooth Levitation Transition */
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              border-color 0.3s ease,
              background 0.3s ease;
}

.btn-anti-gravity-download::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.25), transparent);
  transition: left 0.6s ease;
  pointer-events: none;
}

.btn-anti-gravity-download:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: rgba(0, 212, 255, 0.85);
  background: radial-gradient(circle at top left, rgba(6, 182, 212, 0.3) 0%, #0f172a 100%);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.6), 
              0 0 35px rgba(0, 212, 255, 0.35),
              0 15px 30px -5px rgba(0, 0, 0, 0.8);
}

.btn-anti-gravity-download:hover::before {
  left: 100%;
}

.btn-anti-gravity-download:active {
  transform: translateY(-1px) scale(0.99);
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.5);
}

.btn-anti-gravity-download .download-icon {
  color: #38bdf8;
  transition: transform 0.3s ease;
}

.btn-anti-gravity-download:hover .download-icon {
  transform: translateY(2px);
  color: #00d4ff;
}

.btn-anti-gravity-download.btn-sm {
  padding: 0.48rem 1rem;
  font-size: 0.825rem;
  gap: 0.45rem;
}

.btn-anti-gravity-download.btn-sm .download-icon {
  width: 14px;
  height: 14px;
}

.pipeline-actions-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.strategy-card-footer {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: auto;
}

.strategy-actions-subgroup {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.calc-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
  gap: 1rem;
}

/* --------------------------------------------------------------------------
   5. Floating Navigation Bar
   -------------------------------------------------------------------------- */
.header-nav {
  position: fixed;
  top: 1.25rem;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(11, 15, 29, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.7), 0 0 20px rgba(6, 182, 212, 0.1);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  margin-right: 2.25rem;
  flex-shrink: 0;
}

.logo-orb {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #06b6d4, #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
  position: relative;
}
.logo-orb svg {
  width: 20px;
  height: 20px;
  color: #ffffff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.85rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-body);
  font-size: 0.925rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 16px;
  height: 2px;
  background: var(--accent-cyan-bright);
  border-radius: var(--radius-full);
  transition: transform 0.25s ease;
  box-shadow: 0 0 8px var(--accent-cyan-bright);
}

.nav-link:hover::after, .nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.bookmark-counter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  color: var(--text-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.bookmark-counter-btn:hover {
  color: var(--accent-amber);
  border-color: rgba(245, 158, 11, 0.4);
}
.bookmark-badge {
  background: var(--accent-amber);
  color: #000;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-full);
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 0.5rem;
}

/* --------------------------------------------------------------------------
   6. Hero Section with 3D Floating Mockup & Dashboard
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 10.5rem 0 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-headline {
  font-size: clamp(2.5rem, 4.5vw, 3.85rem);
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 1.5rem;
  letter-spacing: -0.035em;
}

.hero-subheadline {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--text-body);
  margin-bottom: 2.25rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.125rem;
  margin-bottom: 3rem;
}

.hero-stats-row {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* 3D Floating Visual Stage */
.hero-stage-container {
  position: relative;
  perspective: 1200px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 480px;
}

.floating-3d-stage {
  position: relative;
  width: 100%;
  max-width: 520px;
  transform-style: preserve-3d;
  transition: transform 0.25s ease-out;
}

/* Main Floating Dashboard Mockup */
.mockup-dashboard {
  background: rgba(13, 19, 38, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 35px rgba(0, 212, 255, 0.25);
  position: relative;
  z-index: 3;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1.25rem;
}

.mockup-dots {
  display: flex;
  gap: 6px;
}
.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup-dot.red { background: #ff5f56; }
.mockup-dot.yellow { background: #ffbd2e; }
.mockup-dot.green { background: #27c93f; }

.mockup-title {
  font-size: 0.85rem;
  color: var(--text-body);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.live-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.mockup-kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.mockup-kpi-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 0.875rem;
}

.kpi-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.kpi-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  font-family: var(--font-mono);
}

.kpi-trend {
  font-size: 0.75rem;
  font-weight: 600;
  color: #10b981;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

/* Simulated Vector Chart in Dashboard */
.mockup-chart {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-bottom: 1rem;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.chart-bars-wrap {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 65px;
  padding-top: 5px;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--accent-cyan-bright), rgba(99, 102, 241, 0.3));
  border-radius: 4px 4px 0 0;
  position: relative;
  transition: height 0.5s ease;
}
.chart-bar:hover {
  background: linear-gradient(180deg, #38bdf8, #6366f1);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
}

/* Floating Badges & Shipping Box (Zero Gravity Satellites) */
.floating-satellite-1 {
  position: absolute;
  top: -25px;
  right: -30px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(0, 212, 255, 0.5);
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.7), var(--shadow-neon-cyan);
  z-index: 5;
  backdrop-filter: blur(12px);
}

.satellite-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(0, 212, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan-bright);
}

.satellite-text-top {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}
.satellite-text-val {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
}

.floating-satellite-2 {
  position: absolute;
  bottom: -25px;
  left: -25px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(16, 185, 129, 0.5);
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.7), 0 0 20px rgba(16, 185, 129, 0.3);
  z-index: 5;
  backdrop-filter: blur(12px);
}

.floating-satellite-3 {
  position: absolute;
  top: 50%;
  right: -45px;
  transform: translateY(-50%);
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(168, 85, 247, 0.5);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.7), 0 0 20px rgba(168, 85, 247, 0.3);
  z-index: 4;
  backdrop-filter: blur(12px);
}

/* 3D Geometric Floating Shipping Box */
.zero-g-box {
  width: 48px;
  height: 48px;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateX(-20deg) rotateY(35deg);
  animation: boxRotate 12s linear infinite;
}

@keyframes boxRotate {
  0% { transform: rotateX(-20deg) rotateY(0deg); }
  50% { transform: rotateX(-30deg) rotateY(180deg); }
  100% { transform: rotateX(-20deg) rotateY(360deg); }
}

.box-face {
  position: absolute;
  width: 48px;
  height: 48px;
  background: rgba(99, 102, 241, 0.25);
  border: 1.5px solid #00d4ff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 10px rgba(0, 212, 255, 0.3);
}
.box-face.front  { transform: translateZ(24px); }
.box-face.back   { transform: rotateY(180deg) translateZ(24px); }
.box-face.right  { transform: rotateY(90deg) translateZ(24px); }
.box-face.left   { transform: rotateY(-90deg) translateZ(24px); }
.box-face.top    { transform: rotateX(90deg) translateZ(24px); }
.box-face.bottom { transform: rotateX(-90deg) translateZ(24px); }

/* --------------------------------------------------------------------------
   7. Trending Niche Live Radar Ticker
   -------------------------------------------------------------------------- */
.trending-ticker-bar {
  background: rgba(11, 15, 29, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.85rem 0;
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 2;
  overflow: hidden;
}

.ticker-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  white-space: nowrap;
}

.ticker-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-full);
  color: #fbbf24;
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  flex-shrink: 0;
}

.ticker-scroll-track {
  display: flex;
  gap: 2.5rem;
  animation: tickerScroll 32s linear infinite;
}

.ticker-scroll-track:hover {
  animation-play-state: paused;
}

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-body);
}

.ticker-niche-name {
  color: #ffffff;
  font-weight: 600;
}

.ticker-metric {
  font-size: 0.775rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-weight: 600;
}
.ticker-metric.green {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}
.ticker-metric.cyan {
  background: rgba(0, 212, 255, 0.15);
  color: #38bdf8;
}

/* --------------------------------------------------------------------------
   8. Platform Tutorials & Storefront Blueprints
   -------------------------------------------------------------------------- */
.section-tutorials {
  padding: 7rem 0;
  position: relative;
}

.tutorial-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.filter-pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  color: var(--text-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.filter-pill:hover {
  background: rgba(255, 255, 255, 0.09);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}
.filter-pill.active {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.25), rgba(99, 102, 241, 0.25));
  border-color: var(--accent-cyan-bright);
  color: #ffffff;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.35);
}

.tutorials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.tutorial-card {
  background: var(--bg-space-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-spring);
  position: relative;
}

.tutorial-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.45);
  box-shadow: var(--shadow-float-lg);
}

.card-banner {
  height: 180px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-banner-bg {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

.tutorial-card:hover .card-banner-bg {
  transform: scale(1.08);
}

.card-platform-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(11, 15, 29, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  backdrop-filter: blur(8px);
  z-index: 2;
}

.card-level-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  z-index: 2;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.level-beginner { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.4); }
.level-intermediate { background: rgba(0, 212, 255, 0.2); color: #67e8f9; border: 1px solid rgba(0, 212, 255, 0.4); }
.level-advanced { background: rgba(168, 85, 247, 0.2); color: #d8b4fe; border: 1px solid rgba(168, 85, 247, 0.4); }

.card-center-icon {
  width: 68px;
  height: 68px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  transition: transform 0.4s ease;
}

.tutorial-card:hover .card-center-icon {
  transform: scale(1.15) rotate(3deg);
}

.card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.meta-point {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.card-description {
  font-size: 0.925rem;
  color: var(--text-body);
  line-height: 1.55;
  margin-bottom: 1.5rem;
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.btn-bookmark {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}
.btn-bookmark:hover, .btn-bookmark.bookmarked {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--accent-amber);
  color: var(--accent-amber);
}

/* --------------------------------------------------------------------------
   9. Strategic Native Sponsored Ad Placements (Whitespace Optimized)
   -------------------------------------------------------------------------- */
.sponsored-ad-wrapper {
  margin: 4.5rem 0;
  position: relative;
}

.sponsored-banner {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 27, 75, 0.7) 100%);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-xl);
  padding: 2.25rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: 0 15px 40px -10px rgba(0, 0, 0, 0.7), 0 0 25px rgba(99, 102, 241, 0.15);
  position: relative;
  overflow: hidden;
}

.sponsored-banner::before {
  content: 'PROMOTED RESOURCE';
  position: absolute;
  top: 0.85rem;
  right: 1.5rem;
  font-size: 0.675rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.sponsored-content {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.sponsored-logo-box {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.sponsored-text h4 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
  color: #ffffff;
}

.sponsored-text p {
  font-size: 0.925rem;
  color: var(--text-body);
}

/* --------------------------------------------------------------------------
   10. Sourcing & Fulfillment Logistics Comparison Matrix
   -------------------------------------------------------------------------- */
.section-fulfillment {
  padding: 7rem 0;
  position: relative;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  margin-bottom: 4.5rem;
}

.strategy-card {
  background: var(--bg-space-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-spring);
}

.strategy-card.featured {
  border-color: rgba(0, 212, 255, 0.5);
  box-shadow: 0 15px 45px -10px rgba(0, 212, 255, 0.25);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.9) 0%, rgba(13, 27, 42, 0.8) 100%);
}

.strategy-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-float-lg);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #06b6d4, #6366f1);
  color: #fff;
  font-size: 0.725rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.strategy-header {
  margin-bottom: 1.5rem;
}

.strategy-type {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.strategy-title {
  font-size: 1.4rem;
  color: #fff;
}

.strategy-metric-box {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.metric-row:last-child {
  border-bottom: none;
}

.metric-name {
  color: var(--text-muted);
}

.metric-val {
  color: #fff;
  font-weight: 700;
  font-family: var(--font-mono);
}

.strategy-features-list {
  list-style: none;
  margin-bottom: 2rem;
  flex: 1;
}

.feature-li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-body);
  margin-bottom: 0.75rem;
}

.feature-li svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* Supply Chain Pipeline Visualizer */
.pipeline-visualizer-wrap {
  background: rgba(11, 15, 29, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  backdrop-filter: blur(16px);
}

.pipeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.pipeline-steps-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
  position: relative;
}

.pipeline-step-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
  position: relative;
  cursor: pointer;
  user-select: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
}

.pipeline-step-card:hover {
  border-color: var(--accent-cyan-bright);
  background: rgba(0, 212, 255, 0.08);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -5px rgba(0, 212, 255, 0.25);
}

.pipeline-step-card:focus-visible {
  outline: 2px solid var(--accent-cyan-bright);
  outline-offset: 2px;
}

.pipeline-step-card.active {
  border-color: var(--accent-cyan-bright);
  background: radial-gradient(circle at top, rgba(6, 182, 212, 0.25) 0%, rgba(15, 23, 42, 0.95) 100%);
  transform: translateY(-5px);
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.45), 0 15px 35px -5px rgba(0, 0, 0, 0.85);
}

.pipeline-step-card.active .step-num {
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  box-shadow: 0 0 14px #00d4ff;
  transform: translateX(-50%) scale(1.2);
}

.pipeline-step-card.active .step-icon-box {
  background: rgba(0, 212, 255, 0.25);
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.5);
  color: #fff;
}

.pipeline-step-card.active .step-title {
  color: var(--accent-cyan-bright);
}

.step-num {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-indigo);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.step-icon-box {
  width: 44px;
  height: 44px;
  margin: 0.5rem auto 0.75rem auto;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan-bright);
  transition: var(--transition-smooth);
}

.step-title {
  font-size: 0.925rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
  transition: var(--transition-smooth);
}

.step-desc {
  font-size: 0.775rem;
  color: var(--text-muted);
}

/* Interactive Pipeline Step Details Inspector Panel */
.pipeline-step-detail-panel {
  margin-top: 2rem;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(9, 13, 26, 0.98) 100%);
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.8), 0 0 25px rgba(6, 182, 212, 0.15);
  position: relative;
  overflow: hidden;
  animation: fadeInStep 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInStep {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1.5rem;
}

.step-detail-title-wrap h4 {
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 0.25rem;
}

.step-detail-title-wrap p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
}

.step-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.step-kpi-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  transition: var(--transition-smooth);
}

.step-kpi-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  background: rgba(0, 212, 255, 0.04);
}

.step-kpi-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.step-kpi-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  font-family: var(--font-mono);
}

.step-content-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 960px) {
  .step-content-grid {
    grid-template-columns: 1fr;
  }
}

.step-sop-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.step-sop-box h5 {
  font-size: 1rem;
  color: var(--accent-cyan-bright);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.step-sop-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-body);
  line-height: 1.6;
}

.step-sop-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.step-sop-list li svg {
  flex-shrink: 0;
  margin-top: 3px;
}

.step-console-box {
  background: #080c18;
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.step-console-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
}

.step-console-body {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: #7dd3fc;
  line-height: 1.65;
  overflow-x: auto;
  flex: 1;
  max-height: 220px;
}

.step-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* --------------------------------------------------------------------------
   11. Interactive Tools & Calculators Suite
   -------------------------------------------------------------------------- */
.section-calculators {
  padding: 7rem 0;
  position: relative;
}

.calc-tabs-bar {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.calc-tab-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  color: var(--text-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition-smooth);
}
.calc-tab-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}
.calc-tab-btn.active {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(99, 102, 241, 0.3));
  border-color: var(--accent-cyan-bright);
  color: #fff;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
}

.calc-view-panel {
  display: none;
}
.calc-view-panel.active {
  display: block;
}

/* Tool 1: Profit Margin & ROAS Calculator */
.calc-grid-layout {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2.5rem;
  background: var(--bg-space-card);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-float-lg);
}

.calc-presets-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}
.preset-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}
.preset-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  color: var(--text-body);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.preset-btn:hover {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--accent-cyan-bright);
  color: #fff;
}

.calc-inputs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.input-prefix-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-family: var(--font-mono);
  pointer-events: none;
}

.calc-input {
  width: 100%;
  background: var(--bg-glass-input);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem 0.75rem 2rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  outline: none;
  transition: var(--transition-smooth);
}
.calc-input:focus {
  border-color: var(--accent-cyan-bright);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.35);
  background: rgba(13, 19, 36, 0.95);
}

.calc-input.no-prefix {
  padding-left: 1rem;
}

/* Calculator Output Display Card */
.calc-output-card {
  background: rgba(11, 15, 29, 0.85);
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), inset 0 0 20px rgba(0, 212, 255, 0.05);
}

.output-hero-stat {
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1.5rem;
}

.output-hero-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.output-hero-number {
  font-size: 2.75rem;
  font-weight: 800;
  color: #10b981;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.output-margin-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
  margin-top: 0.35rem;
}
.badge-healthy { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.4); }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #fde68a; border: 1px solid rgba(245, 158, 11, 0.4); }
.badge-danger  { background: rgba(244, 63, 94, 0.2); color: #fecdd3; border: 1px solid rgba(244, 63, 94, 0.4); }

.output-metrics-table {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.out-metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.925rem;
}

.out-metric-name {
  color: var(--text-body);
}

.out-metric-val {
  color: #fff;
  font-weight: 700;
  font-family: var(--font-mono);
}

/* Dynamic Stacked Cost Breakdown Progress Bar */
.cost-breakdown-section {
  margin-top: auto;
}

.breakdown-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.stacked-progress-bar {
  height: 14px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  display: flex;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.bar-segment {
  height: 100%;
  transition: width 0.4s ease;
}
.segment-cogs     { background: #ef4444; }
.segment-shipping { background: #f59e0b; }
.segment-ads      { background: #8b5cf6; }
.segment-fees     { background: #06b6d4; }
.segment-margin   { background: #10b981; }

.breakdown-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
}

/* Tool 2: Shipping Landed Cost Estimator */
.shipping-calc-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  background: var(--bg-space-card);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  backdrop-filter: blur(20px);
}

.shipping-tiers-comparison {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.shipping-tier-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-smooth);
}
.shipping-tier-card:hover {
  border-color: var(--accent-cyan-bright);
  background: rgba(0, 212, 255, 0.05);
}

.tier-info h5 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 0.2rem;
}
.tier-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tier-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-cyan-bright);
  font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   12. Verified Supplier Directory
   -------------------------------------------------------------------------- */
.section-suppliers {
  padding: 7rem 0;
  position: relative;
}

.suppliers-filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.search-input-box {
  position: relative;
  min-width: 320px;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.supplier-search-field {
  width: 100%;
  background: rgba(13, 19, 36, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}
.supplier-search-field:focus {
  border-color: var(--accent-cyan-bright);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.35);
}

.supplier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

.supplier-card {
  background: var(--bg-space-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  transition: var(--transition-spring);
  display: flex;
  flex-direction: column;
}

.supplier-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: var(--shadow-float-md);
}

.supplier-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.supplier-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan-bright);
  flex-shrink: 0;
}

.supplier-name-wrap h4 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 0.2rem;
}

.verified-pill {
  font-size: 0.725rem;
  color: #34d399;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 600;
}

.supplier-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.supplier-tag {
  background: rgba(255, 255, 255, 0.04);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--text-body);
}

.supplier-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
}

.spec-item span {
  color: var(--text-muted);
  display: block;
}
.spec-item strong {
  color: #fff;
  font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   13. Interactive FAQ & Knowledge Base
   -------------------------------------------------------------------------- */
.section-faq {
  padding: 7rem 0;
  position: relative;
}

.faq-list-wrap {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background: var(--bg-space-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.faq-item.active {
  border-color: var(--accent-indigo);
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.3);
}

.faq-question-btn {
  width: 100%;
  padding: 1.5rem 1.75rem;
  background: transparent;
  border: none;
  text-align: left;
  font-family: var(--font-main);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-icon-arrow {
  color: var(--accent-cyan-bright);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon-arrow {
  transform: rotate(180deg);
}

.faq-answer-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s ease;
  padding: 0 1.75rem;
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer-body {
  max-height: 350px;
  padding: 0 1.75rem 1.5rem 1.75rem;
}

/* --------------------------------------------------------------------------
   14. High-Converting CTA Box & Footer
   -------------------------------------------------------------------------- */
.cta-banner-section {
  padding: 6rem 0;
  position: relative;
}

.cta-cosmic-box {
  background: radial-gradient(circle at top center, rgba(99, 102, 241, 0.35) 0%, rgba(15, 23, 42, 0.95) 75%);
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-xl);
  padding: 4.5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.8), 0 0 50px rgba(99, 102, 241, 0.2);
}

.cta-cosmic-box h2 {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  margin-bottom: 1rem;
}

.cta-cosmic-box p {
  font-size: 1.15rem;
  color: var(--text-body);
  max-width: 620px;
  margin: 0 auto 2.5rem auto;
}

.footer-section {
  padding: 4rem 0 2.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 9, 19, 0.85);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 1rem 0 1.5rem 0;
  max-width: 300px;
}

.footer-col h5 {
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: var(--transition-smooth);
}
.footer-links a:hover {
  color: var(--accent-cyan-bright);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   15. Modals & Toast Notifications
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--bg-space-deep);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-xl);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-float-lg), var(--shadow-neon-cyan);
  transform: translateY(30px) scale(0.95);
  transition: var(--transition-spring);
  position: relative;
}

.modal-overlay.active .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #fff;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.modal-close-btn:hover {
  background: rgba(244, 63, 94, 0.2);
  border-color: #f43f5e;
  color: #f43f5e;
}

.modal-body {
  padding: 2.5rem;
}

/* Toast Alerts */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--accent-cyan-bright);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  color: #fff;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), var(--shadow-neon-cyan);
  pointer-events: auto;
  transform: translateX(120%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateX(0);
}

/* --------------------------------------------------------------------------
   16. 10-Page Master Reader & Blueprint Design System
   -------------------------------------------------------------------------- */
.bp-reader-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.bp-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  width: 100%;
  box-sizing: border-box;
}

.bp-page-nav-track {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.5rem 0.25rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  width: 100%;
  box-sizing: border-box;
}

.bp-page-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-body);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.bp-page-pill:hover {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--accent-cyan-bright);
  color: #fff;
}

.bp-page-pill.active {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.3) 0%, rgba(99, 102, 241, 0.4) 100%);
  border-color: var(--accent-cyan-bright);
  color: #fff;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.standalone-reader-card {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  margin-bottom: 3rem;
  width: 100%;
  box-sizing: border-box;
}

.bp-page-card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  transition: var(--transition-smooth);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  word-break: break-word;
  overflow-wrap: break-word;
}

.bp-page-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
}

.bp-page-number-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--accent-cyan-bright);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.bp-page-title {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 0.35rem;
  word-break: break-word;
}

.bp-standalone-main-title {
  font-size: 1.85rem;
  color: #fff;
  line-height: 1.3;
  margin: 0;
  word-break: break-word;
}

.bp-modal-main-title {
  font-size: 1.45rem;
  color: #fff;
  line-height: 1.3;
  word-break: break-word;
}

.bp-page-subtitle {
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  word-break: break-word;
}

.bp-cover-box {
  background: radial-gradient(circle at top left, rgba(6, 182, 212, 0.15) 0%, rgba(15, 23, 42, 0.9) 100%);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 2rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  word-break: break-word;
  overflow-wrap: break-word;
}

.bp-cover-box .bp-tag {
  color: var(--accent-cyan-bright);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.bp-cover-box .bp-title {
  font-size: 1.85rem;
  color: #fff;
  margin-bottom: 0.5rem;
  word-break: break-word;
  line-height: 1.25;
}

.bp-cover-box .bp-subtitle {
  font-size: 1.05rem;
  color: #94a3b8;
  font-weight: 400;
  margin-bottom: 1.5rem;
  word-break: break-word;
  line-height: 1.5;
}

.bp-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
  width: 100%;
  box-sizing: border-box;
}

.bp-meta-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  box-sizing: border-box;
  min-width: 0;
}

.bp-meta-item .label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.bp-meta-item .val {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  word-break: break-word;
}

.bp-callout {
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 1.25rem 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  word-break: break-word;
  overflow-wrap: break-word;
}
.bp-callout.cyan {
  background: rgba(6, 182, 212, 0.08);
  border-left: 4px solid var(--accent-cyan-bright);
  color: #e0f2fe;
}
.bp-callout.warning {
  background: rgba(245, 158, 11, 0.08);
  border-left: 4px solid var(--accent-amber);
  color: #fef3c7;
}
.bp-callout.emerald {
  background: rgba(16, 185, 129, 0.08);
  border-left: 4px solid var(--accent-emerald);
  color: #d1fae5;
}

.bp-toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.6rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-body);
  width: 100%;
  box-sizing: border-box;
}

.bp-feature-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin: 1.25rem 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  word-break: break-word;
}

.bp-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 1.25rem 0;
  width: 100%;
  box-sizing: border-box;
}

.bp-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.25rem 0;
  width: 100%;
  box-sizing: border-box;
}

.bp-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  width: 100%;
  box-sizing: border-box;
}

.bp-table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.25rem 0;
  box-sizing: border-box;
}

.bp-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.85rem;
  display: table;
}
.bp-table th {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-weight: 700;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.bp-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-body);
}
.bp-table tr.highlight td {
  background: rgba(0, 212, 255, 0.05);
  color: #fff;
}

.bp-code {
  background: rgba(13, 19, 36, 0.95);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #38bdf8;
  line-height: 1.6;
  margin: 1rem 0;
  max-width: 100%;
  box-sizing: border-box;
}

.bp-wireframe-box {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  box-sizing: border-box;
}

.wf-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: #cbd5e1;
  word-break: break-word;
}
.wf-item.highlight {
  border-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.08);
  color: #fff;
}
.wf-item.highlight-cta {
  border-color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.12);
  color: #6ee7b7;
  font-weight: 700;
}

.bp-checklist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-body);
  width: 100%;
  box-sizing: border-box;
}

/* --------------------------------------------------------------------------
   17. Monetization & Sponsored Ad Components
   -------------------------------------------------------------------------- */
.sponsored-announcement-bar {
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.18) 0%, rgba(99, 102, 241, 0.18) 50%, rgba(168, 85, 247, 0.18) 100%);
  border-bottom: 1px solid rgba(0, 212, 255, 0.25);
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  text-align: center;
  position: relative;
  z-index: 999;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  width: 100%;
  box-sizing: border-box;
}

.sponsored-announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}

.sponsored-tag-badge {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-indigo));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.sponsored-link-cta {
  color: var(--accent-cyan-bright);
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
}

.sponsored-link-cta:hover {
  color: #fff;
  text-shadow: 0 0 12px var(--accent-cyan-glow);
  transform: translateX(2px);
}

.sponsored-ad-banner-section {
  margin: 3.5rem auto;
  max-width: 1200px;
  padding: 0 1.5rem;
  width: 100%;
  box-sizing: border-box;
}

.sponsored-ad-card {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(0, 212, 255, 0.22);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.25rem 1.5rem 1.25rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 12px 35px -8px rgba(0, 0, 0, 0.6), 0 0 20px -5px rgba(0, 212, 255, 0.1);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  width: 100%;
  box-sizing: border-box;
}

.sponsored-ad-card:hover {
  border-color: rgba(0, 212, 255, 0.45);
  box-shadow: 0 16px 40px -8px rgba(0, 0, 0, 0.7), 0 0 25px -5px rgba(0, 212, 255, 0.2);
}

.sponsored-ad-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding: 0 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sponsored-ad-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.sponsored-ad-label::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.sponsored-direct-action {
  font-size: 0.78rem;
  color: var(--accent-cyan-bright);
  text-decoration: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.2s ease;
}

.sponsored-direct-action:hover {
  color: #fff;
}

.ad-unit-container {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.ad-unit-container > div {
  max-width: 100%;
}

/* Modal Dialog Sizing */
#guide-modal .modal-dialog {
  max-width: 960px;
  width: 95%;
}

/* --------------------------------------------------------------------------
   18. Responsive Breakpoints & Mobile Optimization (Final Overrides)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    text-align: left;
  }
  .hero-subheadline {
    margin: 0 0 2.25rem 0;
  }
  .hero-cta-group {
    justify-content: flex-start;
  }
  .hero-stats-row {
    justify-content: flex-start;
  }
  .calc-grid-layout, .shipping-calc-layout {
    grid-template-columns: 1fr;
  }
  .pipeline-steps-track {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  /* Container & Global Overflow Prevention */
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
  }
  
  .container {
    padding: 0 1rem !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }

  /* Header & Navigation */
  .header-nav {
    top: 0.5rem;
  }
  .nav-container {
    padding: 0.45rem 0.75rem !important;
    gap: 0.5rem;
  }
  .nav-links {
    display: none !important;
  }
  .nav-hide-mobile {
    display: none !important;
  }
  .mobile-menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    padding: 0.4rem;
  }
  .nav-actions {
    gap: 0.4rem !important;
  }
  .bookmark-counter-btn {
    padding: 0.35rem 0.6rem !important;
    font-size: 0.78rem !important;
  }
  .btn-sm {
    padding: 0.4rem 0.7rem !important;
    font-size: 0.78rem !important;
  }
  .brand-logo {
    font-size: 1.15rem !important;
    gap: 0.45rem !important;
  }
  .logo-orb {
    width: 32px !important;
    height: 32px !important;
  }

  /* Hero Section */
  .hero-section {
    padding: 6.5rem 0 3rem 0;
    overflow: hidden;
  }
  .hero-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem;
    text-align: left;
    width: 100%;
  }
  .hero-content {
    width: 100%;
    max-width: 100%;
  }
  .hero-headline {
    font-size: clamp(1.85rem, 7.5vw, 2.75rem);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
  }
  .hero-subheadline {
    font-size: 1rem;
    line-height: 1.55;
    margin-bottom: 1.75rem;
    max-width: 100%;
  }
  .hero-cta-group {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    width: 100%;
    margin-bottom: 2rem;
  }
  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    width: 100%;
    padding-top: 1.5rem;
  }
  .stat-item {
    min-width: 0;
  }
  .stat-number {
    font-size: clamp(1.15rem, 4.5vw, 1.6rem);
    word-break: break-word;
  }
  .stat-label {
    font-size: 0.72rem;
    line-height: 1.25;
  }

  /* 3D Visual Stage & Mockup */
  .hero-stage-container {
    min-height: auto;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding: 0;
    margin-top: 1rem;
  }
  .floating-3d-stage {
    max-width: 100%;
    transform: none !important;
  }
  .mockup-dashboard {
    padding: 1rem;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .mockup-kpi-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .floating-satellite-1, 
  .floating-satellite-2, 
  .floating-satellite-3 {
    position: static !important;
    transform: none !important;
    margin-top: 0.85rem;
    width: 100%;
    box-sizing: border-box;
  }

  /* Section Titles & Layouts */
  .section-title {
    font-size: clamp(1.65rem, 6vw, 2.25rem);
  }
  .section-subtitle {
    font-size: 0.95rem;
  }
  .tutorials-grid {
    grid-template-columns: 1fr !important;
  }
  .calc-inputs-grid {
    grid-template-columns: 1fr !important;
  }
  .pipeline-steps-track {
    grid-template-columns: 1fr !important;
  }
  .comparison-grid {
    grid-template-columns: 1fr !important;
  }
  .suppliers-grid {
    grid-template-columns: 1fr !important;
  }
  .supplier-grid {
    grid-template-columns: 1fr !important;
  }
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  /* Sponsored Banners & Cards */
  .sponsored-banner {
    flex-direction: column;
    text-align: center;
  }
  .sponsored-content {
    flex-direction: column;
    text-align: center;
  }
  .sponsored-ad-card {
    padding: 1rem 0.75rem !important;
  }
  .sponsored-announcement-bar {
    font-size: 0.76rem !important;
    padding: 0.45rem 0.75rem !important;
  }

  /* Blueprint Master Reader Responsive Layout & Nested Padding Fix */
  .standalone-reader-card {
    padding: 1rem 0.75rem !important;
    border-radius: var(--radius-lg) !important;
    margin-bottom: 1.5rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .bp-page-card {
    padding: 1rem 0.75rem !important;
    border-radius: var(--radius-md) !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .bp-cover-box {
    padding: 1rem 0.75rem !important;
    border-radius: var(--radius-sm) !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .bp-callout {
    padding: 0.75rem 0.65rem !important;
    margin: 0.85rem 0 !important;
    font-size: 0.88rem !important;
    line-height: 1.6 !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .bp-cover-box .bp-title {
    font-size: 1.35rem !important;
    line-height: 1.25 !important;
    margin-bottom: 0.4rem !important;
  }
  .bp-cover-box .bp-subtitle {
    font-size: 0.9rem !important;
    line-height: 1.45 !important;
    margin-bottom: 1rem !important;
  }
  .bp-standalone-main-title {
    font-size: clamp(1.3rem, 5.5vw, 1.65rem) !important;
    line-height: 1.25 !important;
  }
  .bp-modal-main-title {
    font-size: 1.2rem !important;
    line-height: 1.3 !important;
  }
  .bp-page-title {
    font-size: 1.2rem !important;
    line-height: 1.3 !important;
  }
  .bp-page-subtitle {
    font-size: 0.85rem !important;
    margin-bottom: 1rem !important;
  }
  .bp-toc-grid {
    grid-template-columns: 1fr !important;
    gap: 0.5rem !important;
    font-size: 0.82rem !important;
    width: 100% !important;
  }
  .bp-meta-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 0.5rem !important;
    width: 100% !important;
  }
  .bp-meta-item {
    padding: 0.5rem 0.65rem !important;
  }
  .bp-meta-item .val {
    font-size: 0.85rem !important;
  }
  .bp-grid-2, .bp-grid-3 {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
    width: 100% !important;
  }
  .bp-checklist-grid {
    grid-template-columns: 1fr !important;
    gap: 0.4rem !important;
    width: 100% !important;
  }
  .bp-feature-box, .bp-card, .bp-wireframe-box {
    padding: 0.85rem 0.75rem !important;
    margin: 0.85rem 0 !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .bp-table {
    display: block !important;
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    font-size: 0.8rem !important;
  }
  .bp-table th, .bp-table td {
    padding: 0.5rem 0.65rem !important;
  }
  .bp-code {
    padding: 0.75rem !important;
    font-size: 0.75rem !important;
    max-width: 100% !important;
    overflow-x: auto !important;
  }
  .bp-header-bar {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
  }
  .bp-header-bar .btn-anti-gravity-download {
    width: 100% !important;
    justify-content: center !important;
  }
  .bp-page-nav-track {
    gap: 0.35rem !important;
    padding: 0.35rem 0 !important;
  }
  .bp-page-pill {
    padding: 0.35rem 0.65rem !important;
    font-size: 0.75rem !important;
  }
  .reader-nav-bar {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.75rem !important;
  }
  .reader-nav-bar > div {
    width: 100% !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.5rem !important;
  }
  .reader-guide-select {
    width: 100% !important;
    box-sizing: border-box !important;
  }
  #standalone-pdf-action-slot {
    width: 100% !important;
  }
  #standalone-pdf-action-slot .btn-anti-gravity-download {
    width: 100% !important;
    justify-content: center !important;
  }

  /* Modals on Mobile */
  .modal-overlay {
    padding: 0.5rem !important;
  }
  .modal-dialog {
    max-height: 92vh !important;
    border-radius: var(--radius-lg) !important;
    width: 100% !important;
    margin: auto 0;
  }
  .modal-body {
    padding: 1.25rem 0.85rem !important;
    max-height: calc(92vh - 60px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* Tablet & Medium Screen Customizations (769px to 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    padding: 0 1.5rem !important;
  }
  .hero-grid {
    grid-template-columns: 1fr !important;
    gap: 2.5rem !important;
    text-align: center;
  }
  .hero-cta-group {
    justify-content: center !important;
  }
  .hero-stats-row {
    justify-content: center !important;
  }
  .tutorials-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .suppliers-grid, .supplier-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .comparison-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .calc-grid-layout, .shipping-calc-layout {
    grid-template-columns: 1fr !important;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 2rem !important;
  }
  .mockup-kpi-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* Mobile Devices (Max Width 480px) */
@media (max-width: 480px) {
  /* Prevent iOS Safari auto-zoom on input focus */
  input, select, textarea, .calc-input {
    font-size: 16px !important;
  }

  .container {
    padding: 0 0.75rem !important;
  }
  .nav-container {
    padding: 0.4rem 0.65rem !important;
  }
  .brand-logo span {
    font-size: 1.05rem !important;
  }
  .bookmark-counter-btn span:not(.bookmark-badge) {
    display: none !important;
  }
  .btn-primary.btn-sm span {
    font-size: 0.75rem !important;
  }
  .hero-stats-row {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .stat-item:last-child {
    grid-column: span 2;
  }
  .standalone-reader-card {
    padding: 0.75rem 0.5rem !important;
  }
  .bp-page-card {
    padding: 0.75rem 0.5rem !important;
  }
  .bp-cover-box {
    padding: 0.75rem 0.5rem !important;
  }
  .bp-callout {
    padding: 0.65rem 0.5rem !important;
    font-size: 0.82rem !important;
  }
  .bp-meta-grid {
    grid-template-columns: 1fr !important;
    gap: 0.4rem !important;
  }
  .modal-body {
    padding: 1rem 0.6rem !important;
  }
  .btn {
    min-height: 44px;
  }
  .calc-button-group {
    flex-direction: column !important;
  }
  .calc-button-group .btn {
    width: 100% !important;
  }
  .bp-page-nav-track {
    display: flex !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    padding-bottom: 0.5rem !important;
  }
  .bp-page-pill {
    scroll-snap-align: start;
    flex-shrink: 0;
    white-space: nowrap;
  }
}

/* Compact Mobile Screens (Max Width 360px) */
@media (max-width: 360px) {
  .container {
    padding: 0 0.5rem !important;
  }
  .brand-logo span {
    font-size: 0.95rem !important;
  }
  .hero-headline {
    font-size: 1.65rem !important;
  }
  .hero-stats-row {
    grid-template-columns: 1fr !important;
  }
  .stat-item:last-child {
    grid-column: span 1;
  }
  .nav-actions {
    gap: 0.25rem !important;
  }
  .btn-sm {
    padding: 0.35rem 0.5rem !important;
    font-size: 0.72rem !important;
  }
}

/* Landscape Mobile Customizations */
@media (max-height: 520px) and (orientation: landscape) {
  .header-nav {
    position: absolute !important;
  }
  .hero-section {
    padding: 4.5rem 0 2rem 0 !important;
  }
  .modal-dialog {
    max-height: 88vh !important;
  }
  .modal-body {
    max-height: calc(88vh - 40px) !important;
  }
  .mobile-nav-drawer {
    justify-content: flex-start !important;
    padding: 3.5rem 1.5rem 1.5rem !important;
    overflow-y: auto !important;
  }
  .mobile-nav-drawer-links {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 0.85rem !important;
  }
}

/* Mobile Navigation Fullscreen Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(7, 9, 19, 0.96);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateY(-10px);
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
.mobile-nav-drawer.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.mobile-nav-drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  width: 100%;
  max-width: 320px;
}
.mobile-nav-drawer-links li {
  width: 100%;
  text-align: center;
}
.mobile-nav-drawer-link {
  color: #f1f5f9;
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  display: block;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.25s ease;
}
.mobile-nav-drawer-link:active,
.mobile-nav-drawer-link:hover {
  color: var(--accent-cyan-bright);
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.3);
  transform: scale(1.02);
}
.mobile-nav-drawer-close {
  position: absolute;
  top: max(1.5rem, env(safe-area-inset-top));
  right: max(1.5rem, env(safe-area-inset-right));
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: #fff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}
.mobile-nav-drawer-close:active,
.mobile-nav-drawer-close:hover {
  background: rgba(244, 63, 94, 0.2);
  border-color: rgba(244, 63, 94, 0.4);
  color: #fb7185;
}

/* ==========================================================================
   ANTI-GRAVITY AD MONETIZATION & RESPONSIVE UX ENGINE
   ========================================================================== */

/* Top Sponsored Announcement Bar */
.sponsored-announcement-bar {
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.98), rgba(30, 27, 75, 0.95), rgba(15, 23, 42, 0.98));
  border-bottom: 1px solid rgba(0, 212, 255, 0.25);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  color: #e2e8f0;
  text-align: center;
  position: relative;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.sponsored-announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}

.sponsored-tag-badge {
  background: rgba(0, 212, 255, 0.15);
  border: 1px solid rgba(0, 212, 255, 0.4);
  color: var(--accent-cyan-bright);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.sponsored-link-cta {
  color: var(--accent-cyan-bright);
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
  border-bottom: 1px dashed rgba(0, 212, 255, 0.5);
}

.sponsored-link-cta:hover {
  color: #fff;
  border-bottom-color: #fff;
  transform: translateX(3px);
}

/* Base Ad Container Box */
.ad-slot-frame {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  margin: 2rem auto;
  padding: 1rem 0.75rem 0.75rem;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
}

.ad-slot-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 15%;
  right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.4), transparent);
}

.ad-slot-frame .frame-label {
  font-size: 0.65rem;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  font-weight: 700;
}

/* Display Ad Dimension Specifications (Zero CLS Enforcers) */
.slot-728x90 {
  width: 728px;
  height: 90px;
  min-width: 728px;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.25);
}

.slot-468x60 {
  width: 468px;
  height: 60px;
  min-width: 468px;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.25);
}

.slot-320x50 {
  width: 320px;
  height: 50px;
  min-width: 320px;
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.25);
}

.slot-160x600 {
  width: 160px;
  height: 600px;
  min-width: 160px;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.25);
}

.slot-160x300 {
  width: 160px;
  height: 300px;
  min-width: 160px;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.25);
}

.slot-300x250, .ad-slot-300x250 {
  width: 300px;
  height: 250px;
  min-width: 300px;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.25);
}

/* Visibility Breakpoint Controls */
.ad-desktop-only { display: block; }
.ad-tablet-only  { display: none; }
.ad-mobile-only  { display: none; }

@media (max-width: 1024px) {
  .ad-desktop-only { display: none !important; }
  .ad-tablet-only  { display: block !important; }
}

@media (max-width: 560px) {
  .ad-tablet-only  { display: none !important; }
  .ad-mobile-only  { display: block !important; }
}

/* Zero-G Text Wrap Inset Ad */
.zero-g-ad-wrap {
  float: right;
  margin: 0.5rem 0 1.5rem 1.75rem;
  padding: 0.75rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 12px;
  box-shadow: 0 12px 30px -5px rgba(0, 0, 0, 0.6);
  width: 316px;
  min-height: 280px;
  box-sizing: border-box;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.zero-g-ad-wrap .ad-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-align: center;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  font-weight: 700;
}

@media (max-width: 768px) {
  .zero-g-ad-wrap {
    float: none;
    margin: 1.75rem auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 320px;
  }
}

/* Native Banner Curated Box */
.native-ad-curated-section, .sponsored-ad-card {
  margin: 2.5rem 0;
  padding: 1.25rem;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 14px;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: relative;
  overflow: hidden;
}

.native-ad-curated-section::before, .sponsored-ad-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00f2ff, #6366f1, transparent);
}

.curated-header, .sponsored-ad-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.curated-badge, .sponsored-ad-label {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--accent-cyan-bright);
  background: rgba(0, 212, 255, 0.12);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  text-transform: uppercase;
}

.curated-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin: 0.35rem 0 0 0;
}

.curated-disclosure {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sponsored-direct-action {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan-bright);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
}

.sponsored-direct-action:hover {
  color: #fff;
  transform: translateX(3px);
}

.ad-unit-container, .native-ad-content-wrapper {
  min-height: 90px;
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
}

/* Contextual Smartlink Gravity Elements */
.smartlink-action-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid rgba(0, 212, 255, 0.35);
  color: var(--accent-cyan-bright);
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.25s ease;
  font-size: 0.9rem;
  margin: 0.25rem 0;
}

.smartlink-action-pill:hover {
  background: rgba(0, 212, 255, 0.25);
  border-color: var(--accent-cyan-bright);
  color: #fff;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
  transform: translateY(-2px);
}

.smartlink-text-highlight {
  color: var(--accent-cyan-bright);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-style: dashed;
  text-underline-offset: 4px;
  transition: all 0.2s ease;
}

.smartlink-text-highlight:hover {
  color: #fff;
  text-decoration-style: solid;
  text-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
}

.smartlink-terminal-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(0, 212, 255, 0.2));
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: #fff;
  font-weight: 700;
  padding: 0.5rem 1.1rem;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.25s ease;
  font-size: 0.9rem;
  margin: 0.4rem 0;
}

.smartlink-terminal-button:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.35), rgba(0, 212, 255, 0.35));
  border-color: var(--accent-cyan-bright);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

/* Ambient Pulse Indicator for Live Notifications */
.ambient-pulse-indicator {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 99;
  background: rgba(10, 15, 30, 0.92);
  border: 1px solid rgba(0, 212, 255, 0.3);
  padding: 0.45rem 0.95rem;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  color: #e2e8f0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: auto;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: radar-pulse 2s infinite ease-in-out;
  flex-shrink: 0;
}

@keyframes radar-pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

@media (max-width: 600px) {
  .ambient-pulse-indicator {
    display: none !important;
  }
}

/* ==========================================================================
   TIMED 10-SECOND ANTI-GRAVITY FLASH AD & NOTIFICATION
   ========================================================================== */
.timed-flash-banner {
  position: fixed;
  bottom: 24px;
  right: 24px;
  max-width: 400px;
  width: calc(100% - 48px);
  background: rgba(10, 15, 30, 0.95);
  border: 1px solid rgba(0, 212, 255, 0.4);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.25), 0 20px 40px rgba(0, 0, 0, 0.85);
  padding: 1rem 1.25rem 1.1rem;
  z-index: 10000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: slideUpFloat 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.timed-flash-banner.fade-out {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.timed-flash-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timed-flash-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--accent-cyan-bright);
  text-transform: uppercase;
}

.timed-flash-title {
  font-size: 0.925rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
}

.timed-flash-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, #00d4ff, #6366f1);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  margin-top: 0.25rem;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.35);
}

.timed-flash-cta:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.5);
}

.timed-flash-close {
  position: absolute;
  top: 8px;
  right: 12px;
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  transition: color 0.2s ease;
}

.timed-flash-close:hover {
  color: #fff;
}

.timed-flash-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
}

.timed-flash-bar {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #00d4ff, #10b981);
}

@keyframes slideUpFloat {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   ANTI-GRAVITY RESPONSIVE ENGINE (OMNI-DEVICE ARCHITECTURE)
   ========================================================================== */

/* 1. Fluid Typography & Measure Tokens */
:root {
  --reading-max-width: 800px;
  --orbital-sidebar-width: 340px;
  --gutter-fluid: clamp(1rem, 3vw, 2.5rem);
  --line-height-reading: 1.78;
  --font-reading-size: clamp(1.05rem, 1.15vw, 1.22rem);
}

/* 2. Main Anti-Gravity Layout Grid */
.ag-layout-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter-fluid);
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter-fluid);
  box-sizing: border-box;
}

/* 3. The Reading Core Column */
.ag-reading-core {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  font-size: var(--font-reading-size);
  line-height: var(--line-height-reading);
  color: #cbd5e1;
  word-break: break-word;
}

.ag-reading-core p {
  margin-bottom: 1.6rem;
  letter-spacing: -0.01em;
}

.ag-reading-core h1,
.ag-reading-core h2,
.ag-reading-core h3 {
  color: var(--text-heading);
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin: 2.2rem 0 1rem 0;
}

.ag-reading-core h2 {
  font-size: clamp(1.4rem, 3vw, 1.95rem);
  border-left: 3px solid var(--accent-cyan-bright);
  padding-left: 0.85rem;
}

/* 4. Weightless Media (Screenshots & Responsive Video Embeds) */
.ag-weightless-media,
.weightless-media {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-weightless);
  margin: 1.75rem 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ag-weightless-media:hover {
  box-shadow: var(--shadow-float-sm);
  transform: translateY(-2px);
}

/* Video Wrapper: Scales 16:9 or 9:16 TikTok embeds perfectly */
.ag-video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(0, 212, 255, 0.25);
  background: #000;
  margin: 1.75rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.ag-video-container.tiktok-format {
  aspect-ratio: 9 / 16;
  max-width: 360px;
  margin: 2rem auto;
}

.ag-video-container iframe,
.ag-video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  object-fit: cover;
}

/* 5. Auxiliary Sidebar & Monetization Stage */
.ag-sidebar-stage {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

/* 6. Sticky Thumb CTA Bar (Mobile Bottom Anchor) */
.ag-mobile-sticky-cta {
  display: none;
}

/* --------------------------------------------------------------------------
   THE ORBITAL STATE (Laptops & Massive Desktops: 1024px+)
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
  .ag-layout-wrapper {
    grid-template-columns: minmax(0, 1fr) var(--orbital-sidebar-width);
    align-items: start;
    gap: 3rem;
  }

  .ag-reading-core {
    max-width: var(--reading-max-width);
  }

  .ag-sidebar-stage {
    position: sticky;
    top: 6rem;
    z-index: 50;
  }
}

/* --------------------------------------------------------------------------
   THE HOVER STATE (Tablets: 768px to 1023px)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) and (max-width: 1023px) {
  .ag-layout-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .ag-reading-core {
    width: 100%;
    max-width: 850px;
    margin: 0 auto;
  }

  /* Split the sidebar into a high-utility 2-column grid beneath tutorial */
  .ag-sidebar-stage {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
}

/* --------------------------------------------------------------------------
   THE MOBILE ZERO-G STATE (Phones: Max Width 767px)
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  .ag-layout-wrapper {
    grid-template-columns: 1fr;
    padding: 0 1rem;
    gap: 2rem;
  }

  .ag-reading-core {
    font-size: 1.05rem;
    line-height: 1.7;
  }

  .ag-sidebar-stage {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }

  /* Full-width thumb-friendly conversion CTA */
  .ag-cta-button {
    width: 100% !important;
    min-height: 50px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1rem !important;
    border-radius: var(--radius-md) !important;
  }

  /* Floating Bottom Thumb Bar (Zero-G Mobile Lock) */
  .ag-mobile-sticky-cta {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(7, 9, 19, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 212, 255, 0.3);
    padding: 0.75rem 1rem max(0.75rem, env(safe-area-inset-bottom));
    z-index: 1000;
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.7);
    animation: slideUpFloat 0.3s ease;
  }

  .ag-mobile-sticky-cta .btn {
    width: 100%;
    min-height: 48px;
    font-size: 0.95rem;
    font-weight: 800;
  }
}