/* ==========================================================================
   NEBU EASE™ OFFICIAL STORE — SENTINEL THEME
   Aerospace Precision Dark Mode:
   Obsidian Charcoal #0A0C10 | Deep Space Slate #11141D | Card Glass #161B26
   Electric Cyan #00F0FF | Cool Titanium #94A3B8 | Radiant Amber #F59E0B
   ========================================================================== */

:root {
  --bg-primary: #0A0C10;
  --bg-secondary: #11141D;
  --bg-card: #161B26;
  --bg-card-hover: #1D2433;
  --bg-glass: rgba(22, 27, 38, 0.85);

  --border-subtle: #202736;
  --border-cyan: rgba(0, 240, 255, 0.3);
  --border-focus: #00F0FF;

  --cyan-primary: #00F0FF;
  --cyan-deep: #00B8D9;
  --cyan-glow: rgba(0, 240, 255, 0.25);
  --cyan-subtle: rgba(0, 240, 255, 0.1);

  --amber-primary: #F59E0B;
  --amber-hover: #D97706;
  --amber-glow: rgba(245, 158, 11, 0.35);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-mono: #A0AEC0;

  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container-max: 1200px;
  --container-narrow: 860px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 9999px;

  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100vw;
  position: relative;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   TOP ANNOUNCEMENT STRIP
   ========================================================================== */
.sentinel-top-bar {
  background: #06080D;
  border-bottom: 1px solid rgba(0, 240, 255, 0.18);
  color: var(--cyan-primary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: center;
  padding: 7px 12px;
}

.sentinel-top-bar strong {
  color: #FFFFFF;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.sentinel-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 16, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 32px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav a:hover {
  color: var(--cyan-primary);
}

.btn-sentinel-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--cyan-primary);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-sentinel-nav:hover {
  background: var(--cyan-subtle);
  box-shadow: 0 0 15px var(--cyan-glow);
  border-color: var(--cyan-primary);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 32px;
  padding: 4px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.mobile-toggle span {
  width: 100%;
  height: 2px;
  background: var(--cyan-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ==========================================================================
   MOBILE DRAWER
   ========================================================================== */
.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

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

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-cyan);
  z-index: 1001;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  overflow-y: auto;
}

.mobile-drawer.active {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.drawer-close {
  font-size: 1.8rem;
  color: var(--text-secondary);
  line-height: 1;
  padding: 4px 8px;
}

.drawer-close:hover {
  color: var(--cyan-primary);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-grow: 1;
}

.drawer-nav a {
  font-size: 0.94rem;
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.drawer-nav a:hover {
  color: var(--cyan-primary);
}

.drawer-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   BUTTONS & COMMON COMPONENTS
   ========================================================================== */
.btn-sentinel-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--amber-primary) 0%, #D97706 100%);
  color: #0A0C10;
  font-weight: 700;
  font-size: 1rem;
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 20px var(--amber-glow);
  transition: all var(--transition-fast);
  text-align: center;
  border: none;
  cursor: pointer;
  letter-spacing: 0.01em;
}

.btn-sentinel-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(245, 158, 11, 0.5);
  background: linear-gradient(135deg, #FBBF24 0%, var(--amber-primary) 100%);
}

.btn-sentinel-primary:active {
  transform: translateY(0);
}

.btn-pkg-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background: linear-gradient(135deg, var(--cyan-primary) 0%, var(--cyan-deep) 100%);
  color: #0A0C10;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 20px;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  text-align: center;
  margin-top: 18px;
  box-shadow: 0 4px 16px var(--cyan-glow);
}

.btn-pkg-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 240, 255, 0.4);
}

.btn-featured {
  background: linear-gradient(135deg, var(--amber-primary) 0%, #D97706 100%) !important;
  color: #0A0C10 !important;
  box-shadow: 0 4px 20px var(--amber-glow) !important;
}

.btn-featured:hover {
  box-shadow: 0 6px 28px rgba(245, 158, 11, 0.5) !important;
}

.mono-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-cyan);
  color: var(--cyan-primary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--cyan-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan-primary);
  animation: pulseCyan 2s infinite;
}

@keyframes pulseCyan {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.sentinel-hero {
  padding: 48px 0 64px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.06) 0%, transparent 60%);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-copy-col {
  display: flex;
  flex-direction: column;
}

.sentinel-h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  color: #FFFFFF;
}

.sentinel-h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #00F0FF 0%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sentinel-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 580px;
}

.mobile-hero-visual {
  display: none;
}

.hero-hud-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 26px;
}

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

.hud-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.hud-val {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--cyan-primary);
  font-weight: 700;
  line-height: 1.2;
}

.hud-sub {
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.hero-cta-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-trust-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.trust-note-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.trust-note-item svg {
  width: 16px;
  height: 16px;
  fill: var(--cyan-primary);
  flex-shrink: 0;
}

.hero-visual-col {
  display: flex;
  justify-content: center;
  align-items: center;
}

.desktop-hero-visual {
  position: relative;
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-cyan);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 240, 255, 0.1);
  background: var(--bg-secondary);
}

.sentinel-hero-img {
  width: 100%;
  height: auto;
  display: block;
}

.floating-telemetry-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(10, 12, 16, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.telemetry-stars {
  color: #F59E0B;
  font-size: 1rem;
  letter-spacing: 2px;
}

.telemetry-meta {
  display: flex;
  flex-direction: column;
  font-size: 0.82rem;
}

.telemetry-meta strong {
  color: #FFFFFF;
}

.telemetry-meta span {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

/* ==========================================================================
   TELEMETRY STRIP (BENCHMARK BAR)
   ========================================================================== */
.sentinel-telemetry-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 0;
}

.telemetry-bar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.telemetry-metric {
  display: flex;
  align-items: center;
  gap: 12px;
}

.metric-icon {
  font-size: 1.4rem;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--cyan-subtle);
  border: 1px solid var(--border-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--cyan-primary);
}

.telemetry-metric strong {
  display: block;
  font-size: 0.88rem;
  color: #FFFFFF;
  line-height: 1.3;
}

.telemetry-metric span {
  display: block;
  font-size: 0.76rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   SECTIONS COMMON
   ========================================================================== */
.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-title-wrap {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-title-wrap h2 {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  margin-top: 8px;
  margin-bottom: 12px;
}

.section-title-wrap p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* ==========================================================================
   BENEFITS / ENGINEERING ARCHITECTURE
   ========================================================================== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.benefit-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-cyan);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 240, 255, 0.1);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--cyan-subtle);
  border: 1px solid var(--border-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--cyan-primary);
  margin-bottom: 20px;
}

.benefit-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.benefit-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   TECHNOLOGY SPOTLIGHT (110kHz Micro-Mesh)
   ========================================================================== */
.tech-spotlight-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.tech-media-col {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-cyan);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  background: var(--bg-card);
}

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

.tech-copy-col h2 {
  font-size: 2.1rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-top: 8px;
  margin-bottom: 16px;
  line-height: 1.2;
}

.tech-copy-col p {
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.65;
  margin-bottom: 16px;
}

.tech-specs-pills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.t-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.t-pill strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--cyan-primary);
  margin-bottom: 2px;
}

.t-pill span {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   HOW IT WORKS (3 RITUALS)
   ========================================================================== */
.rituals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ritual-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.ritual-card:hover {
  border-color: var(--border-cyan);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.ritual-img-wrap {
  position: relative;
  overflow: hidden;
  background: var(--bg-secondary);
}

.ritual-img-wrap img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.ritual-card:hover .ritual-img-wrap img {
  transform: scale(1.03);
}

.ritual-num {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 5;
  padding: 4px 12px;
  background: rgba(10, 12, 16, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--cyan-primary);
  color: var(--cyan-primary);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5), 0 0 10px rgba(0, 240, 255, 0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ritual-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  padding: 20px 20px 8px;
}

.ritual-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding: 0 20px 24px;
}

/* ==========================================================================
   12 PROTOCOLS / USE CASES
   ========================================================================== */
.protocols-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.protocol-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  transition: all var(--transition-fast);
}

.protocol-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-cyan);
}

.p-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan-primary);
  margin-bottom: 6px;
  display: block;
}

.protocol-card h4 {
  font-size: 0.96rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.protocol-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   UNBOXING & KIT MANIFEST
   ========================================================================== */
.unboxing-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.unboxing-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-cyan);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  background: var(--bg-card);
}

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

.unboxing-content h2 {
  font-size: 2.1rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-top: 8px;
  margin-bottom: 14px;
}

.unboxing-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.manifest-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.manifest-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.manifest-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan-primary);
  background: var(--cyan-subtle);
  border: 1px solid var(--border-cyan);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

/* ==========================================================================
   LIFESTYLE SPLIT
   ========================================================================== */
.lifestyle-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.lifestyle-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-cyan);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  background: var(--bg-card);
}

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

.lifestyle-copy h2 {
  font-size: 2.1rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-top: 8px;
  margin-bottom: 14px;
}

.lifestyle-copy p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.lifestyle-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lifestyle-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.lifestyle-list li svg {
  width: 18px;
  height: 18px;
  fill: var(--cyan-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   COMPARISON TABLE
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  margin-top: 24px;
}

.comparison-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.9rem;
}

.comparison-table th {
  background: var(--bg-secondary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.comparison-table .col-highlight {
  background: rgba(0, 240, 255, 0.05);
  border-left: 1px solid var(--border-cyan);
  border-right: 1px solid var(--border-cyan);
  color: #FFFFFF;
  font-weight: 600;
}

.comparison-table th.col-highlight {
  color: var(--cyan-primary);
  background: rgba(0, 240, 255, 0.1);
}

.check-yes {
  color: #10B981;
  font-weight: 700;
}

.check-no {
  color: #EF4444;
  font-weight: 700;
}

/* ==========================================================================
   SPECS MATRIX
   ========================================================================== */
.specs-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.spec-key {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.spec-val {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--cyan-primary);
  font-weight: 600;
}

/* ==========================================================================
   PACKAGE DISCOUNT TIERS (CARDS)
   ========================================================================== */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

.pkg-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
}

.pkg-card:hover {
  border-color: var(--border-cyan);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 240, 255, 0.12);
}

.pkg-card.featured {
  border-color: var(--amber-primary);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.06) 0%, var(--bg-card) 40%);
  box-shadow: 0 8px 32px rgba(245, 158, 11, 0.15);
}

.pkg-card.best-val {
  border-color: var(--cyan-primary);
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.06) 0%, var(--bg-card) 40%);
  box-shadow: 0 8px 32px rgba(0, 240, 255, 0.15);
}

.pkg-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--amber-primary) 0%, #D97706 100%);
  color: #0A0C10;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 10px var(--amber-glow);
  white-space: nowrap;
}

.pkg-card.best-val .pkg-ribbon {
  background: linear-gradient(135deg, var(--cyan-primary) 0%, var(--cyan-deep) 100%);
  box-shadow: 0 2px 10px var(--cyan-glow);
}

.pkg-badge-wrap {
  min-height: 18px;
  margin-bottom: 6px;
}

.pkg-tier-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.pkg-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.pkg-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.pkg-img-wrap {
  width: 100%;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.pkg-img-wrap img {
  max-height: 140px;
  width: auto;
  object-fit: contain;
}

.pkg-pricing-box {
  margin-bottom: 16px;
}

.pkg-price-compare {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  margin-bottom: 4px;
}

.pkg-retail {
  color: var(--text-muted);
  text-decoration: line-through;
}

.pkg-savings {
  color: #10B981;
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.pkg-price-main {
  display: flex;
  align-items: baseline;
  gap: 2px;
  line-height: 1;
}

.pkg-curr {
  font-size: 1.2rem;
  font-weight: 700;
  color: #FFFFFF;
}

.pkg-amount {
  font-size: 2.2rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}

.pkg-per-unit {
  font-size: 0.8rem;
  color: var(--cyan-primary);
  font-family: var(--font-mono);
  margin-top: 4px;
}

.pkg-features-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
  margin-bottom: 18px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  flex-grow: 1;
}

.pkg-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.pkg-features-list li svg {
  width: 14px;
  height: 14px;
  fill: var(--cyan-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   REVIEWS (VERIFIED OWNER INTEL)
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
}

.review-card:hover {
  border-color: var(--border-cyan);
  transform: translateY(-2px);
}

.review-stars {
  color: #F59E0B;
  font-size: 0.95rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.review-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.review-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
}

.reviewer-meta strong {
  color: #FFFFFF;
}

.reviewer-meta span {
  color: #10B981;
  font-size: 0.76rem;
  font-family: var(--font-mono);
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-cyan);
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.08);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  text-align: left;
  font-size: 0.98rem;
  font-weight: 700;
  color: #FFFFFF;
  cursor: pointer;
  background: transparent;
}

.faq-question:hover {
  color: var(--cyan-primary);
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--cyan-primary);
  font-family: var(--font-mono);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: 14px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
  padding: 0 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 20px 20px;
}

/* ==========================================================================
   GUARANTEE BANNER
   ========================================================================== */
.guarantee-banner {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(10, 12, 16, 0.95) 100%);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 48px;
}

.guarantee-icon {
  font-size: 2.8rem;
  flex-shrink: 0;
  color: var(--cyan-primary);
}

.guarantee-text h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.guarantee-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   FINAL INVITATION SECTION
   ========================================================================== */
.sentinel-invitation {
  padding: 80px 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
}

.invitation-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 240, 255, 0.15);
}

.invitation-card h2 {
  font-size: 2.4rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-top: 8px;
  margin-bottom: 14px;
}

.invitation-card p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 24px;
  line-height: 1.6;
}

.invitation-price {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--cyan-primary);
  margin-bottom: 24px;
}

.invitation-price strong {
  font-size: 1.8rem;
  color: #FFFFFF;
}

/* ==========================================================================
   STICKY BOTTOM ACTION DOCK (FLOATING 10PX MARGIN)
   ========================================================================== */
.action-dock {
  position: fixed;
  bottom: 10px;
  left: 12px;
  right: 12px;
  max-width: 480px;
  margin: 0 auto;
  z-index: 999;
  background: rgba(16, 22, 34, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), 0 0 15px rgba(0, 240, 255, 0.15);
  padding: 8px 16px;
  transform: translateY(140%);
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}

.action-dock.active {
  transform: translateY(0);
}

.dock-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.dock-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.dock-deal {
  font-size: 0.78rem;
  font-weight: 700;
  color: #FFFFFF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dock-price-line {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.dock-price {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  color: var(--cyan-primary);
}

.dock-savings {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #10B981;
}

.btn-dock-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--amber-primary) 0%, #D97706 100%);
  color: #0A0C10;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.84rem;
  letter-spacing: 0.03em;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  box-shadow: 0 2px 10px var(--amber-glow);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-dock-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.5);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.sentinel-footer {
  background: #06080D;
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 60px;
  text-align: center;
}

.footer-brand {
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--cyan-primary);
}

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

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .desktop-hero-visual {
    display: none;
  }

  .mobile-hero-visual {
    display: block;
    margin: 16px auto;
    max-width: 440px;
  }

  .benefits-grid,
  .rituals-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .packages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .protocols-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .tech-spotlight-row,
  .unboxing-layout,
  .lifestyle-split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav,
  .btn-sentinel-nav {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .sentinel-h1 {
    font-size: 2.1rem;
  }

  .telemetry-bar-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .benefits-grid,
  .rituals-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }

  .protocols-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .specs-matrix {
    grid-template-columns: 1fr;
    padding: 20px;
  }
}

/* MOBILE FOLD PRIORITY (<= 480px) */
@media (max-width: 480px) {
  .sentinel-top-bar {
    font-size: 0.7rem;
    padding: 6px 8px;
  }

  .sentinel-header {
    padding: 10px 0;
  }

  .brand-logo-img {
    height: 26px;
  }

  .sentinel-hero {
    padding: 14px 0 24px;
  }

  .mono-badge {
    font-size: 0.7rem;
    padding: 4px 10px;
    margin-bottom: 8px;
  }

  .sentinel-h1 {
    font-size: 1.6rem;
    line-height: 1.18;
    margin-bottom: 8px;
  }

  .sentinel-sub {
    font-size: 0.85rem;
    line-height: 1.45;
    margin-bottom: 10px;
  }

  .mobile-hero-visual {
    margin: 0 auto 10px;
    text-align: center;
  }

  .mobile-hero-img {
    max-height: 105px;
    width: auto;
    margin: 0 auto;
    object-fit: contain;
  }

  .hero-hud-strip {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    padding: 8px 6px;
    margin-bottom: 14px;
  }

  .hud-label {
    font-size: 0.58rem;
  }

  .hud-val {
    font-size: 0.88rem;
  }

  .hud-sub {
    font-size: 0.62rem;
  }

  .btn-sentinel-primary {
    font-size: 0.9rem;
    padding: 12px 18px;
    width: 100%;
  }

  .hero-trust-notes {
    font-size: 0.74rem;
    gap: 10px;
    justify-content: center;
  }

  .packages-grid {
    grid-template-columns: 1fr;
  }

  .protocols-grid {
    grid-template-columns: 1fr;
  }

  .telemetry-bar-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .section {
    padding: 44px 0;
  }

  .section-title-wrap {
    margin-bottom: 30px;
  }

  .section-title-wrap h2 {
    font-size: 1.65rem;
  }

  .action-dock {
    bottom: 10px;
    left: 10px;
    right: 10px;
    padding: 7px 12px;
  }

  .dock-deal {
    font-size: 0.72rem;
  }

  .dock-price {
    font-size: 0.92rem;
  }

  .btn-dock-cta {
    font-size: 0.76rem;
    padding: 7px 12px;
  }
}

/* SMALL MOBILE (<= 360px & 320px) */
@media (max-width: 360px) {
  .sentinel-h1 {
    font-size: 1.45rem;
  }

  .mobile-hero-img {
    max-height: 95px;
  }

  .hero-hud-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .action-dock {
    left: 8px;
    right: 8px;
    padding: 6px 10px;
  }

  .dock-container {
    gap: 8px;
  }

  .btn-dock-cta {
    font-size: 0.72rem;
    padding: 6px 10px;
  }
}