/* ══════════════════════════════════════════════════════════════════
   TrackSphere X — Premium CSS Design System
   Antigravity Technologies
══════════════════════════════════════════════════════════════════ */

/* ── PERFORMANCE DIRECTIVES ──────────────────────────────────────── */
#hero-img, #exploded-img, .ind-img, .mobile-ui-img, .buy-product-img {
  will-change: transform, opacity;
  transform: translateZ(0);
}
.section-showcase, .section-dashboard, .section-specs {
  contain: layout;
}

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

:root {
  --white: #ffffff;
  --black: #000000;
  --void: #05070a;
  --dark-gray: #0d0f14;
  --panel-bg: rgba(255, 255, 255, 0.03);
  --panel-border: rgba(255, 255, 255, 0.08);
  --blue: #2e7bff;
  --cyan: #4fe3ff;
  --silver: #c7ccd1;
  --silver-dim: #7d838c;
  --green: #27ae60;
  --red: #eb5757;
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-w: 1200px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  background: var(--void);
}

body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── SCROLLBAR ──────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb { background: #222; border-radius: 4px; }

/* ── CONTAINER ──────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
}

/* ── BUTTONS ────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--white);
  color: var(--black);
  font-size: 15px;
  font-weight: 600;
  padding: 16px 36px;
  border-radius: 100px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255, 255, 255, 0.25);
}
.btn-primary.large {
  padding: 18px 42px;
  font-size: 16px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.04);
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
  padding: 15px 36px;
  border-radius: 100px;
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(12px);
  transition: background 0.25s, transform 0.25s;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.09);
  transform: translateY(-2px);
}
.btn-ghost.large {
  padding: 17px 42px;
  font-size: 16px;
}

/* ── NAVIGATION BAR ─────────────────────────────────────────────── */
.navbar-local-unused {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(5, 7, 10, 0);
  backdrop-filter: blur(0px);
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease), border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.navbar-local-unused.scrolled {
  background: rgba(5, 7, 10, 0.85);
  backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid var(--panel-border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (max-width: 768px) {
  .nav-inner { padding: 0 20px; }
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}
.nav-logo-svg {
  width: 20px;
  height: 20px;
  color: var(--cyan);
}
.logo-sep {
  opacity: 0.3;
  font-weight: 300;
}
.logo-product {
  background: linear-gradient(90deg, var(--white), var(--silver));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 14px;
  color: var(--silver-dim);
  transition: color 0.25s;
}
.nav-links a:hover {
  color: var(--white);
}
.nav-links a.nav-active {
  color: var(--cyan);
}
.btn-buy-nav {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--panel-border);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  transition: background 0.25s, transform 0.2s;
}
.btn-buy-nav:hover {
  background: var(--white);
  color: var(--black);
  transform: scale(1.02);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  width: 20px;
  height: 1.5px;
  background: var(--white);
  display: block;
  transition: transform 0.3s;
}
.nav-mobile {
  display: none;
  background: rgba(5,7,10,0.98);
  padding: 20px 40px;
  border-top: 1px solid var(--panel-border);
}
.nav-mobile ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.nav-mobile a {
  display: block;
  font-size: 15px;
  padding: 12px 0;
  color: var(--silver);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-mobile .mobile-cta {
  color: var(--cyan);
  border-bottom: none;
}
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-actions { display: none; }
  .hamburger { display: flex; }
  .navbar.mobile-open .nav-mobile { display: block; }
}

/* ── TYPOGRAPHY & HEADERS ────────────────────────────────────────── */
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
}
.section-eyebrow.light {
  color: var(--cyan);
}
.section-eyebrow.light::before {
  background: var(--cyan);
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--black);
}
.section-headline.light {
  color: var(--white);
}
.section-headline em {
  font-style: italic;
  font-weight: 500;
  color: var(--blue);
}
.section-headline.light em {
  color: var(--cyan);
}

.section-subtitle {
  font-size: 17px;
  line-height: 1.6;
  color: var(--silver-dim);
  max-width: 580px;
  margin-top: 20px;
}
.section-subtitle.light {
  color: var(--silver);
}

/* ── HERO ───────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 100px;
  background: var(--void);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image: 
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 80%);
}
.hero-glow {
  position: absolute;
  top: -10%; left: 40%;
  width: 50%; height: 60%;
  background: radial-gradient(ellipse, rgba(46,123,255,0.18) 0%, transparent 70%);
  filter: blur(50px);
}
.hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  width: 100%;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 108px);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
}
.gradient-text {
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-tagline {
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 400;
  color: var(--silver);
  margin-bottom: 14px;
}
.hero-sub {
  font-size: 16px;
  line-height: 1.6;
  color: var(--silver-dim);
  max-width: 460px;
  margin-bottom: 40px;
}
.hero-ctas {
  display: flex;
  gap: 16px;
}
.hero-image-wrap {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 50%;
  max-width: 600px;
  z-index: 2;
}
.hero-img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 35px 70px rgba(46,123,255,0.3));
}
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 4;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--silver-dim);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
}

@media (max-width: 960px) {
  .hero {
    flex-direction: column;
    padding-top: 140px;
    padding-bottom: 80px;
    text-align: center;
  }
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-sub {
    margin-inline: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-image-wrap {
    position: relative;
    right: auto; top: auto;
    transform: none;
    width: 80%;
    margin-top: 40px;
  }
}

/* ── WHY GPS TRACKING ────────────────────────────────────────────── */
.section-philosophy {
  background: var(--white);
  color: var(--black);
  padding: 160px 0;
}
.philosophy-header {
  text-align: center;
  margin-bottom: 90px;
}
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 90px;
}
.philosophy-block {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 20px;
  padding: 44px 32px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.philosophy-block:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.06);
}
.philosophy-icon {
  font-size: 28px;
  color: var(--blue);
  margin-bottom: 24px;
}
.philosophy-block h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 14px;
}
.philosophy-block p {
  font-size: 14.5px;
  line-height: 1.65;
  color: #555;
}
.philosophy-statement {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  padding: 50px;
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f3fc 100%);
  border-radius: 24px;
}
.philosophy-statement blockquote {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  font-style: italic;
  line-height: 1.5;
  margin-bottom: 18px;
}
.philosophy-statement cite {
  font-size: 13px;
  color: var(--silver-dim);
  letter-spacing: 0.05em;
  font-style: normal;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .philosophy-grid { grid-template-columns: 1fr; gap: 20px; }
  .philosophy-statement { padding: 30px 20px; }
}

/* ── PRODUCT SHOWCASE ───────────────────────────────────────────── */
.section-showcase {
  background: var(--void);
  padding: 160px 0;
}
.showcase-header {
  text-align: center;
  margin-bottom: 80px;
}
.showcase-visual-row {
  display: flex;
  justify-content: center;
}
.showcase-main {
  position: relative;
  max-width: 900px;
  width: 100%;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
}
.showcase-img {
  width: 100%;
  height: auto;
  display: block;
}
.showcase-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 44px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
  backdrop-filter: blur(4px);
}
.showcase-overlay h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 10px;
}
.showcase-overlay p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--silver);
  max-width: 520px;
}

@media (max-width: 768px) {
  .showcase-overlay { padding: 20px; }
  .showcase-overlay h3 { font-size: 18px; }
  .showcase-overlay p { font-size: 13px; }
}

/* ── HOW IT WORKS ───────────────────────────────────────────────── */
.section-how {
  background: var(--white);
  color: var(--black);
  padding: 160px 0;
}
.how-header {
  text-align: center;
  margin-bottom: 90px;
}
.how-steps {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: rgba(0, 0, 0, 0.08);
  border-top: 1px solid rgba(0,0,0,0.08);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.how-step {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  padding: 48px 0;
  background: var(--white);
  transition: transform 0.3s var(--ease);
}
.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.1);
  line-height: 1;
}
.step-content h4 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}
.step-content p {
  font-size: 15px;
  color: #555;
  max-width: 620px;
}
@media (max-width: 768px) {
  .how-step { grid-template-columns: 1fr; gap: 14px; padding: 30px 0; }
  .step-num { font-size: 36px; }
}

/* ── GPS TECH ───────────────────────────────────────────────────── */
.section-gps-tech {
  background: var(--void);
  padding: 160px 0;
  border-bottom: 1px solid var(--panel-border);
}
.gps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.gps-info .body-text {
  font-size: 16px;
  line-height: 1.65;
  color: var(--silver-dim);
  margin-top: 24px;
}
.gps-stats-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 40px;
}
.gps-stat-box {
  border-left: 2px solid var(--cyan);
  padding-left: 20px;
}
.gps-val {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--white);
}
.gps-lbl {
  font-size: 13px;
  color: var(--silver-dim);
}
.gps-graphics {
  display: flex;
  justify-content: center;
}
.graphics-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0.06) 100%);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  overflow: hidden;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.radar-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: radarScan 3.5s infinite linear;
}
@keyframes radarScan {
  0% { transform: translateY(0); }
  50% { transform: translateY(220px); }
  100% { transform: translateY(0); }
}
.graphics-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.g-signal {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  font-weight: 600;
}
.g-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver-dim);
}
.g-status {
  font-family: var(--font-mono);
  font-size: 11px;
  margin-top: 8px;
}
.g-status.green { color: var(--green); }

@media (max-width: 900px) {
  .gps-grid { grid-template-columns: 1fr; gap: 48px; }
}

/* ── WEB DASHBOARD ──────────────────────────────────────────────── */
.section-dashboard {
  background: var(--void);
  padding: 160px 0;
}
.dash-header {
  text-align: center;
  margin-bottom: 80px;
}
.dashboard-mockup {
  display: grid;
  grid-template-columns: 240px 1fr;
  background: #090c10;
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 16/9;
  min-height: 520px;
}
.dash-sidebar {
  background: #05070a;
  border-right: 1px solid var(--panel-border);
  padding: 32px 24px;
}
.ds-logo {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 40px;
}
.ds-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ds-menu li {
  font-size: 13.5px;
  color: var(--silver-dim);
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.ds-menu li.active, .ds-menu li:hover {
  background: rgba(255,255,255,0.06);
  color: var(--white);
}
.dash-body {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.dash-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}
.dash-sync-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--green);
  background: rgba(39,174,96,0.1);
  padding: 4px 10px;
  border-radius: 4px;
}
.dash-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.dmetric-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--panel-border);
  padding: 24px 20px;
  border-radius: 16px;
}
.dm-val {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
}
.dm-lbl {
  font-size: 12px;
  color: var(--silver-dim);
  margin-top: 6px;
}
.dash-timeline-box {
  background: rgba(255,255,255,0.01);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 24px;
}
.dash-timeline-box h5 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.dash-log-row {
  display: grid;
  grid-template-columns: 120px 1fr 1fr 120px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 13.5px;
}
.dash-log-row:last-child { border-bottom: none; }
.dl-time { font-family: var(--font-mono); color: var(--silver-dim); }
.dl-name { font-weight: 500; }
.dl-dept { color: var(--silver-dim); }
.dl-status { font-weight: 600; text-align: right; }
.dl-status.green { color: var(--green); }
.dl-status.yellow { color: #f39c12; }
.dl-status.red { color: var(--red); }

@media (max-width: 960px) {
  .dashboard-mockup { grid-template-columns: 1fr; aspect-ratio: auto; }
  .dash-sidebar { display: none; }
  .dash-metrics { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .dash-metrics { grid-template-columns: 1fr; }
  .dash-log-row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .dl-dept, .dl-time { display: none; }
}

/* ── MOBILE APP ─────────────────────────────────────────────────── */
.section-mobile {
  background: var(--void);
  padding: 160px 0;
  border-bottom: 1px solid var(--panel-border);
}
.mobile-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.mobile-visual {
  display: flex;
  justify-content: center;
}
.mobile-ui-img {
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: 40px;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.6));
}
.mobile-info .body-text {
  font-size: 16px;
  line-height: 1.65;
  color: var(--silver-dim);
  margin-top: 24px;
}
.mobile-bullets {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 36px;
}
.mobile-bullets li {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--silver);
  position: relative;
  padding-left: 20px;
}
.mobile-bullets li::before {
  content: '●';
  position: absolute;
  left: 0; top: 0;
  color: var(--cyan);
}

@media (max-width: 900px) {
  .mobile-grid { grid-template-columns: 1fr; gap: 48px; }
  .mobile-visual { order: -1; }
}

/* ── INDUSTRIES ─────────────────────────────────────────────────── */
.section-industries {
  background: var(--void);
  padding: 160px 0;
}
.industries-header {
  text-align: center;
  margin-bottom: 80px;
}
.ind-showcase-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ind-card {
  background: #090c10;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.ind-card:hover {
  transform: translateY(-6px);
  border-color: rgba(79, 227, 255, 0.3);
}
.ind-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.ind-content {
  padding: 30px;
}
.ind-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--cyan);
  background: rgba(79,227,255,0.08);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
}
.ind-content h4 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 10px;
}
.ind-content p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--silver-dim);
}

@media (max-width: 900px) {
  .ind-showcase-row { grid-template-columns: 1fr; gap: 24px; }
}

/* ── AI FEATURES ────────────────────────────────────────────────── */
.section-ai-features {
  background: var(--white);
  color: var(--black);
  padding: 160px 0;
}
.ai-header {
  text-align: center;
  margin-bottom: 80px;
}
.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ai-card {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 20px;
  padding: 36px 30px;
  transition: transform 0.3s var(--ease);
}
.ai-card:hover {
  transform: translateY(-4px);
}
.ai-card-icon {
  font-size: 26px;
  color: var(--blue);
  margin-bottom: 20px;
}
.ai-card h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}
.ai-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #555;
}

@media (max-width: 900px) {
  .ai-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .ai-grid { grid-template-columns: 1fr; }
}

/* ── CLOUD PLATFORM ─────────────────────────────────────────────── */
.section-cloud {
  background: var(--void);
  padding: 160px 0;
  border-bottom: 1px solid var(--panel-border);
}
.cloud-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.cloud-info .body-text {
  font-size: 16px;
  line-height: 1.65;
  color: var(--silver-dim);
  margin-top: 24px;
}
.cloud-checks {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 36px;
}
.cloud-checks li {
  font-size: 14.5px;
  color: var(--silver);
  position: relative;
  padding-left: 24px;
}
.cloud-checks li::before {
  content: '✓';
  position: absolute;
  left: 0; top: 0;
  color: var(--cyan);
  font-weight: 700;
}
.cloud-visual {
  display: flex;
  justify-content: center;
}
.cloud-database-card {
  width: 100%;
  max-width: 440px;
  background: #090c10;
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 24px;
}
.db-line {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 14px;
  margin-bottom: 16px;
}
.db-logs {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--silver-dim);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.db-logs span {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 900px) {
  .cloud-grid { grid-template-columns: 1fr; gap: 48px; }
}

/* ── TECHNICAL SPECIFICATIONS ────────────────────────────────────── */
.section-specs {
  background: var(--void);
  padding: 160px 0;
}
.specs-header {
  text-align: center;
  margin-bottom: 80px;
}
.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.spec-card {
  background: #090c10;
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 32px 24px;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.spec-card:hover {
  transform: translateY(-4px);
  border-color: rgba(79,227,255,0.3);
}
.spec-icon {
  font-size: 24px;
  margin-bottom: 18px;
}
.spec-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--silver-dim);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.spec-value {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}
.spec-detail {
  font-size: 12.5px;
  color: var(--silver-dim);
}

@media (max-width: 960px) {
  .specs-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .specs-grid { grid-template-columns: 1fr; }
}

/* ── SECURITY ───────────────────────────────────────────────────── */
.section-security {
  background: var(--white);
  color: var(--black);
  padding: 160px 0;
}
.sec-header {
  text-align: center;
  margin-bottom: 80px;
}
.sec-header .section-subtitle {
  margin-inline: auto;
}
.sec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.sec-card {
  background: rgba(0,0,0,0.02);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 20px;
  padding: 36px 30px;
}
.sec-card h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}
.sec-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #555;
}
@media (max-width: 900px) {
  .sec-grid { grid-template-columns: 1fr; gap: 20px; }
}

/* ── COMPARISON TABLE ───────────────────────────────────────────── */
.section-compare {
  background: var(--void);
  padding: 160px 0;
}
.compare-header {
  text-align: center;
  margin-bottom: 80px;
}
.compare-table-wrap {
  overflow-x: auto;
  border-radius: 24px;
  border: 1px solid var(--panel-border);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: #090c10;
}
.compare-table th, .compare-table td {
  padding: 22px 26px;
  text-align: left;
  font-size: 14.5px;
  border-bottom: 1px solid var(--panel-border);
}
.compare-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--silver-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.compare-table thead th.col-ds {
  color: var(--cyan);
  font-weight: 600;
}
.compare-table tbody td:first-child {
  font-weight: 500;
}
.ds-val {
  color: var(--cyan);
  font-weight: 600;
}
.bad-val {
  color: var(--silver-dim);
}
.compare-table tbody tr:hover {
  background: rgba(255,255,255,0.01);
}

/* ── TESTIMONIALS ───────────────────────────────────────────────── */
.section-testimonials {
  background: var(--void);
  padding: 160px 0;
  border-bottom: 1px solid var(--panel-border);
}
.testimonials-header {
  text-align: center;
  margin-bottom: 80px;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tcard {
  background: #090c10;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 320px;
}
.tcard-stars {
  color: #f39c12;
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.tcard blockquote {
  font-size: 15px;
  line-height: 1.65;
  color: var(--silver);
  font-style: italic;
  margin-bottom: 30px;
}
.tcard-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}
.tcard-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tcard-info {
  display: flex;
  flex-direction: column;
}
.tcard-name {
  font-size: 14px;
  font-weight: 600;
}
.tcard-company {
  font-size: 12px;
  color: var(--silver-dim);
}

@media (max-width: 900px) {
  .testimonials-grid { grid-template-columns: 1fr; gap: 24px; }
}

/* ── FAQ ACCORDION ──────────────────────────────────────────────── */
.section-faq {
  background: var(--void);
  padding: 160px 0;
}
.faq-header {
  text-align: center;
  margin-bottom: 80px;
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--panel-border);
}
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  background: transparent;
  color: var(--white);
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: color 0.25s;
}
.faq-q:hover {
  color: var(--cyan);
}
.faq-q[aria-expanded="true"] {
  color: var(--cyan);
}
.faq-chevron {
  font-size: 22px;
  color: var(--silver-dim);
  transition: transform 0.3s;
}
.faq-q[aria-expanded="true"] .faq-chevron {
  transform: rotate(45deg);
  color: var(--cyan);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}
.faq-a p {
  padding: 0 0 24px 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--silver-dim);
}

/* ── EXPLODED VIEW SECTION ───────────────────────────────────────── */
.section-exploded {
  background: var(--void);
  padding: 160px 0;
}
.exploded-header {
  text-align: center;
  margin-bottom: 80px;
}
.exploded-wrap {
  display: flex;
  justify-content: center;
  background: radial-gradient(circle at 50% 50%, rgba(46,123,255,0.06), transparent 70%);
}
.exploded-img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 20px;
  filter: drop-shadow(0 20px 50px rgba(0,0,0,0.5));
}

/* ── FINAL BUY / CTA ────────────────────────────────────────────── */
.section-buy {
  background: var(--void);
  padding: 160px 0;
  position: relative;
  overflow: hidden;
}
.buy-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.buy-image {
  position: relative;
  display: flex;
  justify-content: center;
}
.buy-product-img {
  width: 100%;
  max-width: 480px;
  height: auto;
  filter: drop-shadow(0 35px 70px rgba(46,123,255,0.25));
}
.buy-img-glow {
  position: absolute;
  bottom: 0;
  width: 60%; height: 30%;
  background: radial-gradient(ellipse, rgba(46,123,255,0.2), transparent);
  filter: blur(40px);
}
.buy-content .buy-sub {
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--silver-dim);
  margin-top: 24px;
}
.buy-actions {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .buy-grid { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .buy-actions { justify-content: center; }
}

/* ── FOOTER ─────────────────────────────────────────────────────── */
.footer {
  background: #030406;
  border-top: 1px solid var(--panel-border);
  padding: 80px 0 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 3fr;
  gap: 80px;
  margin-bottom: 60px;
}
.footer-brand p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--silver-dim);
  margin-top: 18px;
  max-width: 280px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
}
.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--silver-dim);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a {
  font-size: 14px;
  color: var(--silver);
  transition: color 0.25s;
}
.footer-col a:hover {
  color: var(--white);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 30px;
  font-size: 12px;
  color: var(--silver-dim);
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr; gap: 48px; }
  .footer-links-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .footer-links-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* ── REVEALS & STATES ────────────────────────────────────────────── */
.reveal-text, .reveal-up, .reveal-left, .reveal-right, .reveal-fade, .reveal-scale {
  opacity: 0;
}
.reveal-text  { transform: translateY(24px); }
.reveal-up    { transform: translateY(32px); }
.reveal-left  { transform: translateX(-32px); }
.reveal-right { transform: translateX(32px); }
.reveal-scale { transform: scale(0.95); }

/* Animation active class names added by IntersectionObserver */
.reveal-text.is-visible,
.reveal-up.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--delay, 0s);
}
.reveal-left.is-visible,
.reveal-right.is-visible {
  opacity: 1;
  transform: translate(0);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--delay, 0s);
}
.reveal-fade.is-visible {
  opacity: 1;
  transition: opacity 1s var(--ease);
  transition-delay: var(--delay, 0s);
}
.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--delay, 0s);
}

/* ── READABILITY & CONTRAST ADJUSTMENTS ─────────────────────────── */

/* 1. Ensure high contrast in Light-themed sections */
.section-philosophy,
.section-how,
.section-ai-features,
.section-security {
  color: #1a1c20;
}
.section-philosophy .section-subtitle,
.section-how .section-subtitle,
.section-ai-features .section-subtitle,
.section-security .section-subtitle {
  color: #43464d !important;
}
.philosophy-block p,
.step-content p,
.ai-card p,
.sec-card p {
  color: #2c2f35 !important;
}
.philosophy-statement cite {
  color: #4b4f56 !important;
}

/* 2. Improve dim text readability in Dark-themed sections */
.section-showcase .section-subtitle,
.section-rfid-tech .body-text,
.section-dashboard .section-subtitle,
.section-mobile .body-text,
.section-cloud .body-text {
  color: #a4a9b2;
}

.spec-detail,
.dmetric-card .dm-lbl,
.dash-log-row .dl-dept,
.dash-log-row .dl-time,
.db-logs,
.faq-a p {
  color: #aeb2b9 !important;
}

.tcard blockquote {
  color: #e2e4e8;
}
.tcard-company {
  color: #9aa0aa;
}
.compare-table tbody td:first-child {
  color: #e2e4e8;
}
.bad-val {
  color: #8c9199;
}

/* 3. Automatic Header & Eyebrow colors for Dark Sections */
.section-showcase .section-headline,
.section-gps-tech .section-headline,
.section-dashboard .section-headline,
.section-mobile .section-headline,
.section-industries .section-headline,
.section-cloud .section-headline,
.section-specs .section-headline,
.section-compare .section-headline,
.section-testimonials .section-headline,
.section-faq .section-headline,
.section-exploded .section-headline,
.section-buy .section-headline {
  color: var(--white) !important;
}

.section-showcase .section-eyebrow,
.section-gps-tech .section-eyebrow,
.section-dashboard .section-eyebrow,
.section-mobile .section-eyebrow,
.section-industries .section-eyebrow,
.section-cloud .section-eyebrow,
.section-specs .section-eyebrow,
.section-compare .section-eyebrow,
.section-testimonials .section-eyebrow,
.section-faq .section-eyebrow,
.section-exploded .section-eyebrow,
.section-buy .section-eyebrow {
  color: var(--cyan) !important;
}

.section-showcase .section-eyebrow::before,
.section-gps-tech .section-eyebrow::before,
.section-dashboard .section-eyebrow::before,
.section-mobile .section-eyebrow::before,
.section-industries .section-eyebrow::before,
.section-cloud .section-eyebrow::before,
.section-specs .section-eyebrow::before,
.section-compare .section-eyebrow::before,
.section-testimonials .section-eyebrow::before,
.section-faq .section-eyebrow::before,
.section-exploded .section-eyebrow::before,
.section-buy .section-eyebrow::before {
  background: var(--cyan) !important;
}

/* ── GLOBAL RESPONSIVE FIXES ── */
@media (max-width: 960px) {
  .section-philosophy, .section-showcase, .section-how, .section-gps-tech,
  .section-dashboard, .section-mobile, .section-industries, .section-ai-features,
  .section-cloud, .section-specs, .section-security, .section-compare,
  .section-testimonials, .section-faq, .section-exploded, .section-buy {
    padding: 100px 0 !important;
  }
}

@media (max-width: 768px) {
  .section-philosophy, .section-showcase, .section-how, .section-gps-tech,
  .section-dashboard, .section-mobile, .section-industries, .section-ai-features,
  .section-cloud, .section-specs, .section-security, .section-compare,
  .section-testimonials, .section-faq, .section-exploded, .section-buy {
    padding: 70px 0 !important;
  }
  .section-headline { font-size: clamp(32px, 8vw, 42px) !important; line-height: 1.15; }
  .section-subtitle { font-size: 15px; }
  .philosophy-icon { margin-bottom: 16px; }
  .philosophy-block { padding: 30px 20px; }
}

@media (max-width: 600px) {
  .hero-eyebrow { font-size: 10px; }
  .hero-headline { font-size: 42px !important; }
  .hero-tagline { font-size: 18px; }
  .hero-sub { font-size: 14px; margin-bottom: 24px; }
  .hero-ctas { flex-direction: column; width: 100%; gap: 10px; }
  .hero-ctas .btn-primary, .hero-ctas .btn-ghost { width: 100%; text-align: center; justify-content: center; }
  .hero { padding-top: 100px; padding-bottom: 60px; }
  .scroll-indicator { display: none; }
  .nav-logo-svg { width: 16px; height: 16px; }
  .nav-logo { font-size: 15px; }
  .buy-actions { flex-direction: column; width: 100%; }
  .buy-actions .btn-primary, .buy-actions .btn-ghost { width: 100%; text-align: center; justify-content: center; }
  .gps-stats-list { gap: 16px; }
}