:root {
  --bg:        #0a0e1a;
  --panel:     #0f1628;
  --panel2:    #0c1220;
  --border:    #1e2d4a;
  --accent:    #00d4ff;
  --accent2:   #ff6b35;
  --green:     #00ff9d;
  --yellow:    #ffd700;
  --text:      #e0eeff;
  --muted:     #7b93b8;
  --mono:      'Share Tech Mono', monospace;
  --sans:      'Exo 2', sans-serif;
  --maxw:      880px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  /* Grille radar en arrière-plan */
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 70%);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
header.site {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 22, 40, 0.7);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  font-family: var(--mono);
  font-size: 1.05rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.brand a { color: var(--text); }
.brand a:hover { text-decoration: none; }
.brand .aero  { color: var(--accent); }
.brand .trace { color: var(--accent2); }
.brand .gps   { color: var(--accent); }

nav.site-nav { display: flex; align-items: center; gap: 24px; font-size: 0.9rem; }
nav.site-nav a { color: var(--muted); }
nav.site-nav a:hover { color: var(--accent); text-decoration: none; }

.lang-switch {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 1px;
  display: flex;
  gap: 6px;
  padding-left: 20px;
  border-left: 1px solid var(--border);
}
.lang-switch a { color: var(--muted); }
.lang-switch a.active { color: var(--accent); pointer-events: none; }
.lang-switch a:hover { color: var(--accent); text-decoration: none; }

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 56px;
  text-align: center;
  position: relative;
}
.hero .eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.hero h1 {
  font-family: var(--mono);
  font-size: clamp(2rem, 6vw, 3.2rem);
  letter-spacing: 1px;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero h1 .aero  { color: var(--accent); }
.hero h1 .trace { color: var(--accent2); }
.hero h1 .gps   { color: var(--accent); }

.hero p.tagline {
  max-width: 620px;
  margin: 0 auto 28px;
  font-size: 1.1rem;
  color: var(--muted);
}

.pulse-dot {
  display: inline-block;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.8);
  animation: pulse 2s infinite;
  vertical-align: middle;
  margin: 0 8px;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 4px rgba(0, 212, 255, 0.6); }
  50%  { box-shadow: 0 0 16px rgba(0, 212, 255, 1); }
  100% { box-shadow: 0 0 4px rgba(0, 212, 255, 0.6); }
}

.chips {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.chip {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 1px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--muted);
}

.hero-shot {
  max-width: 300px;
  margin: 0 auto;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px -20px rgba(0, 212, 255, 0.15);
}
.hero-shot img { display: block; width: 100%; }

/* ---------- Feature sections ---------- */
.feature {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}
.feature .wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}
@media (min-width: 760px) {
  .feature .wrap { grid-template-columns: 1fr 1fr; gap: 56px; }
  .feature.reverse .wrap { direction: rtl; }
  .feature.reverse .wrap > * { direction: ltr; }
}

.feature .tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 10px;
  display: block;
}
.feature h2 {
  font-family: var(--mono);
  font-size: 1.5rem;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.feature p { color: var(--muted); margin-bottom: 18px; }
.feature ul { list-style: none; }
.feature ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 0.96rem;
}
.feature ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.shot {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--panel);
}
.shot img { display: block; width: 100%; }
.shot.placeholder {
  aspect-ratio: 9 / 16;
  max-width: 260px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  padding: 20px;
}

/* ---------- CTA ---------- */
.cta {
  padding: 72px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}
.cta h2 {
  font-family: var(--mono);
  font-size: 1.6rem;
  margin-bottom: 14px;
}
.cta p { color: var(--muted); margin-bottom: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 1px;
  padding: 12px 24px;
  border: 1.5px solid var(--accent);
  border-radius: 6px;
  color: var(--accent);
  transition: all 0.2s;
}
.btn:hover {
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
}

/* ---------- Footer ---------- */
footer.site {
  border-top: 1px solid var(--border);
  padding: 32px 0 48px;
}
footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--muted);
}
footer.site nav { display: flex; gap: 20px; }
footer.site nav a { color: var(--muted); }
footer.site nav a:hover { color: var(--accent); }

/* ---------- Content pages (Support / Privacy) ---------- */
.page-header {
  padding: 56px 0 24px;
  border-bottom: 1px solid var(--border);
}
.page-header .eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 10px;
  display: block;
}
.page-header h1 {
  font-family: var(--mono);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
}
.page-header .updated {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.content { padding: 48px 0 80px; }
.content h2 {
  font-family: var(--mono);
  font-size: 1.15rem;
  margin: 40px 0 14px;
  color: var(--accent);
}
.content h2:first-child { margin-top: 0; }
.content p { margin-bottom: 14px; color: var(--text); }
.content ul, .content ol { margin: 0 0 14px 20px; color: var(--text); }
.content li { margin-bottom: 8px; }
.content .callout {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 20px 0;
  font-size: 0.92rem;
  color: var(--muted);
}
.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.9rem;
}
.content th, .content td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}
.content th {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--panel);
}

@media (prefers-reduced-motion: reduce) {
  .pulse-dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Modules ---------- */
.modules { display: grid; gap: 28px; padding: 8px 0 72px; }
.module {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
}
@media (max-width: 680px) { .module { grid-template-columns: 1fr; } }
.module .shot { min-height: 160px; display: flex; align-items: center; justify-content: center; text-align: center; }
.module .role { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 2px; color: var(--accent2); text-transform: uppercase; }
.module h2 { font-family: var(--mono); font-size: 1.25rem; margin: 4px 0 10px; }
.module p { color: var(--muted); margin-bottom: 12px; }
.module ul { list-style: none; margin-bottom: 16px; }
.module li { padding-left: 18px; position: relative; font-size: 0.95rem; }
.module li::before { content: '›'; position: absolute; left: 4px; color: var(--accent); }
.dl-title { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 2px; color: var(--muted); margin-bottom: 8px; text-transform: uppercase; }
.dl-links { display: flex; flex-wrap: wrap; gap: 8px; }
.btn-dl {
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 1px;
  border: 1px solid var(--accent); border-radius: 4px; padding: 6px 12px; color: var(--accent);
}
.btn-dl:hover { background: rgba(0, 212, 255, 0.1); text-decoration: none; }
/* Lien pas encore renseigné (href="#") en grisé et inactif */
.btn-dl[href="#"] { border-color: var(--border); color: var(--muted); opacity: 0.6; pointer-events: none; }

/* Badge App Store */
.appstore { display: inline-flex; padding-left: 20px; border-left: 1px solid var(--border); }
.appstore img { height: 34px; width: auto; display: block; }
.appstore:hover { text-decoration: none; opacity: 0.85; }
@media (max-width: 680px) { .appstore { padding-left: 12px; } .appstore img { height: 28px; } }

/* ---------- Header iPhone portrait ---------- */
@media (max-width: 680px) {
  header.site { position: static; }          
  
  header.site .wrap {
    flex-wrap: wrap;
    row-gap: 10px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  nav.site-nav {
    flex: 1 1 100%;                          
    flex-wrap: wrap;
    gap: 8px 16px;
    font-size: 0.85rem;
  }

  .lang-switch {
    padding-left: 0;
    border-left: none;
    margin-left: auto;                       
  }

  .appstore {
    padding-left: 0;
    border-left: none;
  }
  .appstore img { height: 28px; }
}

/* ---------- Tableau de câblage (pages modules) ---------- */
.module .pin-table {
  --pin-line: rgba(0, 212, 255, 0.45);   
  width: 100%;
  max-width: 380px;
  table-layout: fixed;                    
  border-collapse: collapse;
  margin: 0 0 18px;
  font-size: 0.9rem;
  border: 1px solid var(--pin-line);
}
.module .pin-table th,
.module .pin-table td {
  border: 1px solid var(--pin-line);
  padding: 8px 12px;
  text-align: center;                     
  vertical-align: middle;
}
/* Case du haut GPS → Heltec sur les deux colonnes */
.module .pin-table thead tr:first-child th {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 1px;
  color: var(--accent);
  background: var(--panel2);
}
/* Ligne GPS | Heltec  */
.module .pin-table thead tr:last-child th {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--panel);
}
.module .pin-table td {
  font-family: var(--mono);
  color: var(--text);
}