/* ================================================================
   SENTINEL THEME — Immersive DTC Brand & Engineering Breakdown
   Style: Precision Hardware, Aerospace Dark Mode (Whoop / Dyson / Oura)
   Palette: Obsidian Black (#0A0C10) + Electric Cyan (#00F0FF) + Cool Titanium (#94A3B8)
   Fonts: Plus Jakarta Sans (Headings/Body), JetBrains Mono (Specs/Data)
   ================================================================ */

:root {
  --bg-obsidian:    #0A0C10;
  --bg-subtle:      #11141D;
  --bg-card:        #161B26;
  --border-cyan:    rgba(0, 240, 255, 0.25);
  --border-dim:     rgba(255, 255, 255, 0.08);

  --cyan-bright:    #00F0FF;
  --cyan-glow:      rgba(0, 240, 255, 0.35);
  --green-online:   #10B981;

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

  --font-sans:      'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono:      'JetBrains Mono', monospace;

  --container:      1180px;
  --container-narrow: 860px;
  --radius-sm:      4px;
  --radius-md:      10px;
  --radius-lg:      18px;
  --radius-pill:    9999px;
  --transition:     all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; color-scheme: dark; overflow-x: hidden; }
body.theme-sentinel {
  font-family: var(--font-sans);
  background-color: var(--bg-obsidian);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100%;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
h1, h2, h3, h4 { font-weight: 700; color: #fff; line-height: 1.15; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 24px; }
.mono-badge {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  color: var(--cyan-bright); background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-cyan); padding: 4px 12px; border-radius: var(--radius-sm);
  display: inline-block; letter-spacing: 0.1em;
}

/* ── NAVIGATION ────────────────────────────────────────────── */
.sentinel-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 12, 16, 0.9); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-dim); padding: 16px 0;
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; }
.brand-id { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; }
.crosshair { color: var(--cyan-bright); font-size: 20px; }
.system-code { font-family: var(--font-mono); font-size: 10px; color: var(--text-mono); border: 1px solid var(--border-dim); padding: 2px 6px; border-radius: var(--radius-sm); }
.nav-links { display: flex; gap: 16px; font-size: 11px; color: var(--text-secondary); font-family: var(--font-mono); text-transform: uppercase; }
.nav-links a:hover { color: var(--cyan-bright); }
.btn-sentinel-nav {
  background: transparent; border: 1px solid var(--cyan-bright); color: var(--cyan-bright);
  font-family: var(--font-mono); font-size: 12px; font-weight: 600; padding: 8px 18px; border-radius: var(--radius-sm);
  display: flex; align-items: center; gap: 6px; box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}
.btn-sentinel-nav:hover { background: var(--cyan-bright); color: var(--bg-obsidian); }

/* ── HERO & INTERACTIVE HOTSPOT CANVAS ─────────────────────── */
.sentinel-hero { padding: 70px 0 90px; text-align: center; position: relative; }
.hero-container { max-width: 960px; margin: 0 auto; }
.hero-top-meta { display: flex; justify-content: center; align-items: center; gap: 16px; margin-bottom: 24px; }
.live-pulse { font-family: var(--font-mono); font-size: 11px; color: var(--green-online); font-weight: 600; letter-spacing: 0.05em; }

.sentinel-h1 { font-size: clamp(2.6rem, 5.5vw, 4.4rem); margin-bottom: 18px; letter-spacing: -0.02em; }
.cyan-gradient {
  background: linear-gradient(135deg, #fff 30%, var(--cyan-bright) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.sentinel-sub { font-size: 1.15rem; color: var(--text-secondary); max-width: 680px; margin: 0 auto 48px; }

/* Hotspot Stage */
.hotspot-stage {
  background: var(--bg-subtle); border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg); position: relative; padding: 48px 24px 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6); overflow: hidden;
}
.radar-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px; pointer-events: none;
}
.hotspot-image-pod { position: relative; max-width: 520px; margin: 0 auto 36px; }
.hardware-img { margin: 0 auto; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.8)); }

/* Hotspot Dots */
.hotspot-point { position: absolute; z-index: 20; cursor: pointer; }
.point-1 { top: 25%; left: 15%; }
.point-2 { top: 10%; right: 20%; }
.point-3 { bottom: 20%; left: 22%; }

.ping {
  position: absolute; width: 24px; height: 24px; border-radius: 50%;
  border: 1px solid var(--cyan-bright); top: -6px; left: -6px;
  animation: radar-ping 2s infinite ease-out; pointer-events: none;
}
.core-dot {
  display: block; width: 12px; height: 12px; border-radius: 50%;
  background: var(--cyan-bright); box-shadow: 0 0 12px var(--cyan-bright);
}
@keyframes radar-ping { 0% { transform: scale(0.6); opacity: 1; } 100% { transform: scale(2.2); opacity: 0; } }

.spot-card {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  background: rgba(22, 27, 38, 0.95); backdrop-filter: blur(12px);
  border: 1px solid var(--border-cyan); border-radius: var(--radius-sm);
  padding: 12px 16px; width: 240px; text-align: left; pointer-events: none;
  opacity: 0; transition: var(--transition); box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.spot-title { font-family: var(--font-mono); font-size: 11px; color: var(--cyan-bright); font-weight: 700; display: block; margin-bottom: 4px; }
.spot-card p { font-size: 11px; color: var(--text-secondary); line-height: 1.4; }
.hotspot-point:hover .spot-card, .hotspot-point.active .spot-card { opacity: 1; transform: translateX(-50%) translateY(-6px); }

/* HUD Readout Strip */
.hud-readout-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  background: rgba(10, 12, 16, 0.8); border: 1px solid var(--border-dim);
  border-radius: var(--radius-md); padding: 18px 24px; position: relative; z-index: 10;
}
.hud-item { text-align: left; }
.hud-lbl { font-family: var(--font-mono); font-size: 10px; color: var(--text-mono); display: block; margin-bottom: 4px; }
.hud-val { font-family: var(--font-mono); font-size: 15px; font-weight: 700; color: #fff; }
.hud-cyan { color: var(--cyan-bright); }

.hero-deploy-row { margin-top: 36px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.btn-sentinel-hero {
  background: var(--cyan-bright); color: var(--bg-obsidian); font-family: var(--font-mono);
  font-size: 15px; font-weight: 800; padding: 18px 40px; border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; gap: 10px; box-shadow: 0 0 35px var(--cyan-glow);
  letter-spacing: 0.05em;
}
.btn-sentinel-hero:hover { transform: translateY(-2px); box-shadow: 0 0 50px var(--cyan-glow); }
.deploy-note { font-family: var(--font-mono); font-size: 12px; color: var(--text-mono); }

/* ── SPLIT-SCREEN STICKY STORYTELLING ──────────────────────── */
.sticky-story-section { padding: 100px 0; background: var(--bg-subtle); border-top: 1px solid var(--border-dim); }
.sticky-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; }

.sticky-visual-col { position: relative; }
.sticky-frame {
  position: sticky; top: 120px;
  background: var(--bg-card); border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg); padding: 36px; text-align: center;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5); overflow: hidden;
}
.frame-scanner {
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-bright), transparent);
  box-shadow: 0 0 15px var(--cyan-bright);
  animation: scan-vertical 4s infinite linear;
}
@keyframes scan-vertical { 0% { top: 0; } 50% { top: 100%; } 100% { top: 0; } }

.sticky-img { margin: 0 auto; filter: drop-shadow(0 15px 30px rgba(0,0,0,0.6)); }
.frame-hud-tag { font-family: var(--font-mono); font-size: 10px; color: var(--cyan-bright); margin-top: 20px; letter-spacing: 0.1em; }

.scrolling-content-col { display: flex; flex-direction: column; gap: 64px; }
.story-chapter { background: var(--bg-card); border: 1px solid var(--border-dim); border-radius: var(--radius-lg); padding: 36px; }
.chapter-code { font-family: var(--font-mono); font-size: 11px; color: var(--cyan-bright); font-weight: 700; display: block; margin-bottom: 12px; letter-spacing: 0.1em; }
.story-chapter h3 { font-size: 1.8rem; margin-bottom: 14px; }
.story-chapter p { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.7; margin-bottom: 20px; }

.spec-callout-card {
  background: rgba(0, 240, 255, 0.05); border-left: 3px solid var(--cyan-bright);
  padding: 12px 18px; border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 12px;
}
.spec-k { color: var(--text-mono); margin-right: 8px; }
.spec-v { color: #fff; font-weight: 600; }

/* ── WAVEFORMS SECTION ─────────────────────────────────────── */
.sentinel-waveforms-section { padding: 90px 0; border-top: 1px solid var(--border-dim); }
.waveform-stages-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; }
.w-card { background: var(--bg-card); border: 1px solid var(--border-dim); border-radius: var(--radius-md); padding: 24px; }
.w-freq { font-family: var(--font-mono); font-size: 11px; color: var(--cyan-bright); background: rgba(0, 240, 255, 0.08); padding: 3px 8px; border-radius: var(--radius-sm); display: inline-block; margin-bottom: 12px; font-weight: 700; }
.w-card h4 { font-size: 1.15rem; margin-bottom: 8px; color: #fff; }
.w-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.55; }

/* ── MULTI-ZONE SECTION ────────────────────────────────────── */
.sentinel-multizone-section { padding: 90px 0; background: var(--bg-subtle); border-top: 1px solid var(--border-dim); }
.multizone-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.mz-item { background: var(--bg-card); border: 1px solid var(--border-dim); border-radius: var(--radius-md); padding: 28px; display: flex; flex-direction: column; justify-content: space-between; }
.mz-tag { font-family: var(--font-mono); font-size: 10px; color: var(--cyan-bright); margin-bottom: 12px; letter-spacing: 0.1em; }
.mz-item h3 { font-size: 1.35rem; margin-bottom: 10px; }
.mz-item p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 18px; line-height: 1.6; }
.mz-specs { list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: 12px; font-family: var(--font-mono); color: #fff; }

/* ── EXPLODED SCHEMATIC ────────────────────────────────────── */
.schematic-section { padding: 90px 0; border-top: 1px solid var(--border-dim); }
.schematic-header { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.schematic-header h2 { font-size: clamp(2rem, 4vw, 2.8rem); margin-top: 14px; margin-bottom: 10px; }
.schematic-header p { color: var(--text-secondary); font-size: 1.05rem; }

.schematic-display-card {
  background: var(--bg-subtle); border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg); padding: 48px 36px; text-align: center;
}
.schematic-img { margin: 0 auto 40px; border-radius: var(--radius-md); border: 1px solid var(--border-dim); }
.schematic-grid-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; text-align: left; }
.note-box { background: var(--bg-card); border: 1px solid var(--border-dim); border-radius: var(--radius-md); padding: 24px; }
.note-num { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 800; color: var(--cyan-bright); display: block; margin-bottom: 8px; }
.note-box h4 { font-size: 1.2rem; margin-bottom: 8px; }
.note-box p { font-size: 0.9rem; color: var(--text-secondary); }

/* ── UNBOXING MANIFEST ─────────────────────────────────────── */
.sentinel-unboxing-section { padding: 90px 0; background: var(--bg-subtle); border-top: 1px solid var(--border-dim); }
.unboxing-card-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.unboxing-visual img { border-radius: var(--radius-lg); border: 1px solid var(--border-cyan); margin: 0 auto; }
.manifest-list { display: flex; flex-direction: column; gap: 12px; }
.manifest-row {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-card); border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm); padding: 14px 18px; font-family: var(--font-mono); font-size: 13px;
}
.m-qty { color: var(--cyan-bright); font-weight: 700; width: 40px; }
.m-item { color: #fff; flex: 1; }
.m-stat { font-size: 10px; color: var(--green-online); border: 1px solid rgba(16, 185, 129, 0.3); padding: 2px 6px; border-radius: 2px; }

/* ── TELEMETRY REVIEWS (6 GRID) ────────────────────────────── */
.sentinel-reviews { padding: 90px 0; border-top: 1px solid var(--border-dim); }
.telemetry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.telemetry-card { background: var(--bg-card); border: 1px solid var(--border-dim); border-radius: var(--radius-md); padding: 28px; display: flex; flex-direction: column; justify-content: space-between; }
.card-meta { display: flex; flex-direction: column; gap: 4px; margin-bottom: 16px; }
.user-id { font-family: var(--font-mono); font-size: 11px; color: var(--text-mono); }
.status-verified { font-family: var(--font-mono); font-size: 10px; color: var(--green-online); }
.telemetry-card h4 { font-size: 1.15rem; margin-bottom: 10px; color: #fff; }
.telemetry-card p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.6; }
.telemetry-stamp { font-family: var(--font-mono); font-size: 11px; color: var(--cyan-bright); }

/* ── MASTER SPEC SHEET ─────────────────────────────────────── */
.sentinel-specs { padding: 90px 0; background: var(--bg-subtle); border-top: 1px solid var(--border-dim); }
.spec-matrix-table {
  max-width: 860px; margin: 0 auto; background: var(--bg-card);
  border: 1px solid var(--border-dim); border-radius: var(--radius-md); overflow: hidden;
}
.matrix-row {
  display: flex; justify-content: space-between; padding: 16px 24px;
  border-bottom: 1px solid var(--border-dim); font-family: var(--font-mono); font-size: 13px;
}
.matrix-row .k { color: var(--text-mono); }
.matrix-row .v { color: #fff; font-weight: 600; text-align: right; }

/* ── FAQ ACCORDION ─────────────────────────────────────────── */
.sentinel-faq { padding: 90px 0; border-top: 1px solid var(--border-dim); }
.sentinel-faq-list { display: flex; flex-direction: column; gap: 14px; }
.s-faq-item {
  background: var(--bg-card); border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm); overflow: hidden;
}
.s-faq-q {
  padding: 18px 24px; display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; font-family: var(--font-mono); font-size: 13px; color: #fff; font-weight: 600;
}
.s-toggle { color: var(--cyan-bright); font-size: 18px; }
.s-faq-a { padding: 0 24px 20px; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; display: none; }
.s-faq-item.active .s-faq-a { display: block; }
.s-faq-item.active .s-toggle { transform: rotate(45deg); }

/* ── FINAL DEPLOYMENT STAGE ────────────────────────────────── */
.sentinel-final-deploy { padding: 90px 0 120px; }
.deploy-card {
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.05) 0%, var(--bg-subtle) 100%);
  border: 1px solid var(--border-cyan); border-radius: var(--radius-lg);
  padding: 60px 40px; text-align: center; max-width: 840px; margin: 0 auto; position: relative;
}
.deploy-card h2 { font-size: clamp(2.2rem, 4vw, 3.2rem); margin-top: 14px; margin-bottom: 12px; }
.deploy-sub { color: var(--text-secondary); font-size: 1.05rem; max-width: 600px; margin: 0 auto 32px; }

.deploy-pricing-strip { display: flex; justify-content: center; align-items: baseline; gap: 16px; margin-bottom: 32px; }
.deploy-pricing-strip .strike { font-size: 1.3rem; color: var(--text-mono); text-decoration: line-through; font-family: var(--font-mono); }
.deploy-pricing-strip .active-val { font-size: 3rem; font-weight: 800; font-family: var(--font-mono); color: var(--cyan-bright); }
.alloc-tag { font-family: var(--font-mono); font-size: 11px; background: rgba(0, 240, 255, 0.1); border: 1px solid var(--border-cyan); color: var(--cyan-bright); padding: 4px 10px; border-radius: var(--radius-sm); }
.deploy-footer-notes { display: flex; justify-content: center; gap: 24px; font-family: var(--font-mono); font-size: 12px; color: var(--text-mono); margin-top: 24px; }

/* ── FOOTER ────────────────────────────────────────────────── */
.sentinel-footer { padding: 48px 0; border-top: 1px solid var(--border-dim); font-size: 12px; color: var(--text-mono); text-align: center; }
.footer-grid { display: flex; flex-direction: column; gap: 14px; align-items: center; }
.footer-title { font-family: var(--font-mono); font-size: 14px; color: #fff; letter-spacing: 0.1em; }
.footer-disclaim { max-width: 640px; }

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 960px) {
  .sticky-grid { grid-template-columns: 1fr; }
  .sticky-frame { position: static; }
  .waveform-stages-grid { grid-template-columns: 1fr; }
  .multizone-grid { grid-template-columns: 1fr; }
  .hud-readout-strip { grid-template-columns: 1fr 1fr; }
  .schematic-grid-notes { grid-template-columns: 1fr; }
  .telemetry-grid { grid-template-columns: 1fr; }
  .unboxing-card-layout { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .container-narrow { padding: 0 16px; }
  .sentinel-h1 { font-size: 2.2rem; }
  .sentinel-sub { font-size: 1rem; margin-bottom: 32px; }
  .hero-top-meta { flex-direction: column; gap: 8px; }
  .hotspot-stage { padding: 24px 12px 16px; }
  .hud-readout-strip { grid-template-columns: 1fr; gap: 12px; padding: 14px 16px; }
  .btn-sentinel-hero { width: 100%; justify-content: center; font-size: 13px; padding: 16px 20px; }
  .deploy-card { padding: 36px 18px; }
  .deploy-pricing-strip { flex-direction: column; gap: 8px; align-items: center; }
  .deploy-footer-notes { flex-direction: column; gap: 8px; align-items: center; }
  .matrix-row { flex-direction: column; align-items: flex-start; gap: 4px; padding: 12px 16px; }
  .matrix-row .v { text-align: left; }
  .btn-sentinel-cta { width: 100%; justify-content: center; font-size: 14px; padding: 16px 20px; }
}

@media (max-width: 380px) {
  .container, .container-narrow { padding: 0 12px; }
  .btn-sentinel-nav { padding: 6px 12px; font-size: 11px; }
}




/* ═══ MOBILE NAVIGATION CONTROLS & DRAWER ═══ */
.nav-action-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
  transition: var(--transition);
}

.mobile-menu-toggle:hover {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--cyan-core);
}

.mobile-menu-toggle .bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--cyan-core);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu-toggle.open .bar-1 {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.open .bar-2 {
  opacity: 0;
}

.mobile-menu-toggle.open .bar-3 {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: rgba(13, 17, 23, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-cyan);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
  z-index: 999;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav-inner {
  padding: 24px 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 500px;
  margin: 0 auto;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mobile-nav-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  color: var(--cyan-core);
  padding-left: 6px;
}

.mobile-nav-cta-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.btn-mobile-nav-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--cyan-core) 0%, var(--cyan-dark) 100%);
  color: var(--bg-void);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 0 20px var(--cyan-glow);
}

.mobile-nav-subtext {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* ═══ MOBILE HOTSPOT CARDS (IN-FLOW) ═══ */
.mobile-hotspot-cards {
  display: none;
}

/* ═══ SECTION 3: HARDWARE SECTION ═══ */
.sentinel-hardware-section {
  padding: 80px 0;
  background: var(--bg-void);
  border-top: 1px solid var(--border-dim);
}

.hardware-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
  margin-top: 48px;
}

.hardware-media-frame {
  position: relative;
  background: var(--bg-subtle);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.hardware-detail-img {
  width: 100%;
  max-width: 440px;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.hardware-media-badge {
  position: absolute;
  bottom: 16px;
  left: 20px;
  right: 20px;
  text-align: center;
  background: rgba(13, 17, 23, 0.9);
  border: 1px solid var(--border-cyan);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--cyan-core);
  letter-spacing: 0.08em;
}

.hardware-text-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hardware-feature-item {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: var(--transition);
}

.hardware-feature-item:hover {
  border-color: var(--border-cyan);
  transform: translateY(-2px);
}

.hf-num {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan-core);
  padding-top: 2px;
}

.hf-body h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

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

/* ═══ SECTION 6: 3-STEP SETUP SECTION ═══ */
.sentinel-steps-section {
  padding: 80px 0;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border-dim);
}

.steps-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.step-card:hover {
  border-color: var(--border-cyan);
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(0, 240, 255, 0.1);
}

.step-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-void);
  overflow: hidden;
}

.step-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.step-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(13, 17, 23, 0.9);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--cyan-core);
  letter-spacing: 0.05em;
}

.step-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 12px;
}

.step-body h3 {
  font-size: 1.15rem;
  color: var(--text-primary);
}

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

.step-tip {
  margin-top: auto;
  background: rgba(0, 240, 255, 0.04);
  border-left: 2px solid var(--cyan-core);
  padding: 10px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 11px;
  line-height: 1.4;
}

.tip-label {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--cyan-core);
  margin-right: 4px;
}

.tip-text {
  color: var(--text-secondary);
}

/* ═══ SECTION 8: PRICING & PACKAGES SECTION ═══ */
.sentinel-pricing-section {
  padding: 90px 0;
  background: var(--bg-void);
  border-top: 1px solid var(--border-dim);
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

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

.pricing-card.featured {
  border-color: var(--cyan-core);
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.04) 0%, var(--bg-card) 40%);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.15);
}

.popular-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cyan-core);
  color: var(--bg-void);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.08em;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(0, 240, 255, 0.4);
}

.pricing-card-header {
  margin-bottom: 20px;
}

.package-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  border: 1px solid var(--border-dim);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.package-tag.tag-cyan {
  color: var(--cyan-core);
  border-color: var(--border-cyan);
  background: rgba(0, 240, 255, 0.05);
}

.package-name {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.package-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.pricing-figure-box {
  padding: 16px 0;
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
  margin-bottom: 20px;
}

.price-main {
  display: flex;
  align-items: baseline;
  color: var(--text-primary);
}

.price-main .currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cyan-core);
}

.price-main .amount {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.price-main .cents {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.badge-discount {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--cyan-core);
  letter-spacing: 0.02em;
}

.price-note {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
  font-family: var(--font-mono);
}

.pricing-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  flex-grow: 1;
}

.pricing-perks li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-perks li span {
  color: var(--cyan-core);
  font-weight: bold;
}

.btn-pricing-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-void);
  border: 1px solid var(--border-cyan);
  color: var(--cyan-core);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 13px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: var(--transition);
}

.btn-pricing-cta:hover {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--cyan-core);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.btn-pricing-cta.btn-cyan {
  background: linear-gradient(135deg, var(--cyan-core) 0%, var(--cyan-dark) 100%);
  color: var(--bg-void);
  border: none;
  box-shadow: 0 4px 20px var(--cyan-glow);
}

.btn-pricing-cta.btn-cyan:hover {
  box-shadow: 0 6px 25px rgba(0, 240, 255, 0.4);
  transform: translateY(-2px);
}

.pricing-guarantee-banner {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-top: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.pg-icon {
  font-size: 32px;
}

.pg-text h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.pg-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.stage-meta {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
}

.meta-label { color: var(--text-dim); }
.meta-status { font-weight: 700; letter-spacing: 0.05em; }
.status-warn { color: #FFAA00; }
.status-active { color: var(--cyan-core); }
.status-good { color: #00E676; }

.multizone-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  text-align: center;
  margin-top: 12px;
}

/* ═══ RESPONSIVE ADJUSTMENTS FOR NEW COMPONENTS ═══ */
@media (max-width: 960px) {
  .nav-links { display: none !important; }
  .mobile-menu-toggle { display: flex !important; }
  .hardware-detail-grid { grid-template-columns: 1fr; }
  .steps-grid-3col { grid-template-columns: 1fr; }
  .pricing-cards-grid { grid-template-columns: 1fr; max-width: 480px; margin: 40px auto 0; }
}

@media (max-width: 768px) {
  /* Prevent ANY hotspot overflow clipping */
  .hotspot-stage {
    padding: 24px 16px 20px;
    overflow: hidden;
  }
  .hotspot-point .spot-card {
    display: none !important;
  }
  .mobile-hotspot-cards {
    display: flex !important;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
    width: 100%;
  }
  .mobile-spot-card {
    background: rgba(22, 27, 38, 0.95);
    border: 1px solid var(--border-cyan);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    width: 100%;
    box-sizing: border-box;
  }
  .mobile-spot-card .spot-title {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--cyan-core);
    margin-bottom: 6px;
    font-weight: 600;
    letter-spacing: 0.05em;
  }
  .mobile-spot-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
  }
}

@media (max-width: 640px) {
  .btn-sentinel-nav { display: none; }
  .pricing-guarantee-banner { flex-direction: column; text-align: center; }
}