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

:root {
  --blue: #3B82F6;
  --blue-dark: #1D4ED8;
  --blue-dim: rgba(59,130,246,0.12);
  --blue-border: rgba(59,130,246,0.25);
  --bg: #1A1F2E;
  --bg2: #1F2537;
  --bg3: #252C42;
  --bg4: #2B3350;
  --border: rgba(255,255,255,0.09);
  --border2: rgba(255,255,255,0.15);
  --text: #EDF0F8;
  --text-muted: #8892AA;
  --text-dim: #5A6280;
  --white: #FFFFFF;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(26,31,46,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 48px;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.nav-logo {
  font-family: 'Inter', sans-serif;
  font-weight: 800; font-size: 22px;
  color: var(--text); letter-spacing: -0.5px;
  text-decoration: none;
}
.nav-logo span { color: var(--blue); }
.nav-links { display: flex; gap: 32px; list-style: none; align-items: center; }
.nav-links a {
  text-decoration: none; font-size: 15px; font-weight: 500;
  color: var(--text-muted); transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active { color: var(--blue); }
.nav-cta {
  background: var(--blue) !important; color: white !important;
  padding: 9px 20px; border-radius: 8px;
  font-size: 15px !important; font-weight: 500 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--blue-dark) !important; }

.btn-primary {
  background: var(--blue); color: white;
  padding: 13px 26px; border-radius: 10px;
  font-weight: 500; font-size: 14px;
  text-decoration: none; border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background 0.2s, transform 0.15s;
  font-family: 'Inter', sans-serif;
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--blue);
  padding: 11px 22px; border-radius: 10px;
  font-weight: 500; font-size: 14px;
  text-decoration: none; border: 1px solid var(--blue-border); cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background 0.2s, border-color 0.2s;
  font-family: 'Inter', sans-serif;
}
.btn-outline:hover { background: var(--blue-dim); border-color: var(--blue); }
.btn-ghost {
  color: var(--text-muted); font-size: 14px; font-weight: 500;
  text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
  transition: color 0.2s; background: none; border: none; cursor: pointer;
  font-family: 'Inter', sans-serif;
}
.btn-ghost:hover { color: var(--text); }

.page-hero {
  padding: 72px 48px 60px;
  max-width: 1200px; margin: 0 auto;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-family: 'Inter', sans-serif;
  font-size: 42px; font-weight: 800;
  letter-spacing: -1.5px; color: var(--white);
  margin-bottom: 16px; line-height: 1.12;
  margin-top: 14px;
}
.page-hero p { font-size: 15px; color: var(--text-muted); max-width: 560px; line-height: 1.75; }

section { padding: 72px 48px; max-width: 1200px; margin: 0 auto; }

.section-label {
  font-size: 11px; font-weight: 600; color: var(--blue);
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 10px;
}

h2 {
  font-family: 'Inter', sans-serif; font-size: 30px; font-weight: 800;
  letter-spacing: -0.8px; color: var(--white); margin-bottom: 12px; line-height: 1.2;
}
h3 {
  font-family: 'Inter', sans-serif; font-weight: 700; font-size: 17px;
  color: var(--white); margin-bottom: 8px; letter-spacing: -0.2px;
}
.section-desc { font-size: 15px; color: var(--text-muted); max-width: 520px; margin-bottom: 48px; line-height: 1.75; }

.card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}
.card:hover { border-color: var(--blue-border); transform: translateY(-3px); background: var(--bg3); }
.card-icon {
  width: 46px; height: 46px;
  background: var(--blue-dim); border: 1px solid var(--blue-border);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; font-size: 20px;
}
.card-tag {
  display: inline-block; margin-top: 14px;
  font-size: 11px; font-weight: 600; color: var(--blue);
  background: var(--blue-dim); border: 1px solid var(--blue-border);
  padding: 4px 11px; border-radius: 100px; letter-spacing: 0.03em;
}

.form-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--text-muted); letter-spacing: 0.03em; }
.form-group input, .form-group select, .form-group textarea {
  padding: 11px 15px; border: 1px solid var(--border2);
  border-radius: 10px; font-family: 'Inter', sans-serif;
  font-size: 14px; color: var(--text); background: var(--bg3);
  outline: none; transition: border-color 0.2s; width: 100%;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-dim); }
.form-group select option { background: var(--bg3); color: var(--text); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--blue); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.full-divider { height: 1px; background: var(--border); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--blue-dim); border: 1px solid var(--blue-border);
  color: var(--blue); font-size: 11px; font-weight: 600;
  padding: 5px 12px; border-radius: 100px; letter-spacing: 0.06em; text-transform: uppercase;
}
.badge::before { content: ''; width: 6px; height: 6px; background: var(--blue); border-radius: 50%; }

footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  color: var(--text-dim); padding: 48px 48px 32px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  margin-bottom: 40px;
}
.footer-logo {
  font-family: 'Inter', sans-serif; font-weight: 800; font-size: 18px;
  color: var(--white); margin-bottom: 12px; display: block;
  text-decoration: none; letter-spacing: -0.3px;
}
.footer-logo span { color: var(--blue); }
.footer-desc { font-size: 13px; color: var(--text-dim); line-height: 1.75; }
.footer-col h4 {
  font-family: 'Inter', sans-serif; font-weight: 600; font-size: 11px;
  color: var(--text-muted); margin-bottom: 16px; letter-spacing: 0.1em; text-transform: uppercase;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { text-decoration: none; font-size: 13px; color: var(--text-dim); transition: color 0.2s; }
.footer-col ul a:hover { color: var(--blue); }
.footer-bottom {
  max-width: 1200px; margin: 0 auto;
  border-top: 1px solid var(--border); padding-top: 24px;
  display: flex; justify-content: space-between; font-size: 12px; color: var(--text-dim);
}

@media (max-width: 900px) {
  nav { padding: 0 24px; }
  .nav-links { gap: 16px; }
  section, .page-hero { padding: 48px 24px; }
  .page-hero h1 { font-size: 30px; }
  h2 { font-size: 24px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  footer { padding: 36px 24px 24px; }
}
@media (max-width: 600px) {
  .nav-links li:not(:last-child) { display: none; }
  section, .page-hero { padding: 36px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}


/* ── WATERMARK FILIGRANE ── */
body::before {
  content: 'CB-DIAGAUTO78 © cb-diagauto78.com';
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-35deg);
  font-size: 28px;
  font-weight: 800;
  color: rgba(255,255,255,0.04);
  white-space: nowrap;
  pointer-events: none;
  z-index: 9998;
  letter-spacing: 2px;
  user-select: none;
}

/* ── COUCHE PROTECTION INVISIBLE ── */
#copy-shield {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 9997;
  background: transparent;
  pointer-events: none; /* laisse passer les clics sur formulaires */
  user-select: none;
  -webkit-user-select: none;
}

/* Bloque la sélection sur tout sauf les inputs */
*:not(input):not(textarea):not(select) {
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
  -ms-user-select: none !important;
  user-select: none !important;
}

input, textarea, select {
  -webkit-user-select: text !important;
  -moz-user-select: text !important;
  -ms-user-select: text !important;
  user-select: text !important;
}