/* ============================================================
   Verity Fire Pro — Design Tokens & Base
   ============================================================ */
:root {
  /* Couleurs marque */
  --fire: #FF3B1E;
  --fire-dark: #CC2200;
  --ember: #FF7A45;
  --gold: #FFD700;
  --gold-dark: #FF8C00;
  
  /* Fonds */
  --smoke: #0A0E1A;
  --ash: #0F1524;
  --surface: #141B2D;
  --surface2: #1A2238;
  --surface3: #232E4A;
  
  /* Textes */
  --text: #E8EDF5;
  --text2: #9BACC8;
  --text3: #6B7A94;
  
  /* États */
  --green: #00C896;
  --yellow: #FFB800;
  --blue: #3B82F6;
  --purple: #8B5CF6;
  --red: #EF4444;
  
  /* Bordures */
  --border: rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.15);
  
  /* Espacements */
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  /* Typographie */
  --font: 'Space Grotesk', -apple-system, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Ombres */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
  --shadow-md: 0 10px 30px rgba(0,0,0,0.25);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.4);
  --shadow-fire: 0 10px 30px rgba(255,59,30,0.35);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--smoke);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--fire); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.8; }

/* =================== NAVBAR =================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,14,26,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 700;
  font-size: 20px;
}

.nav-logo {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--fire), var(--ember), var(--gold));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 14px;
  box-shadow: var(--shadow-fire);
}
.nav-brand span { color: var(--fire); }

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-link {
  color: var(--text2);
  padding: 8px 16px;
  border-radius: 10px;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.2s;
}
.nav-link:hover { background: var(--surface); color: var(--text); opacity: 1; }
.nav-link.active { color: var(--fire); }

.nav-cta {
  background: linear-gradient(135deg, var(--fire), var(--ember));
  color: white;
  padding: 10px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  box-shadow: var(--shadow-fire);
}
.nav-cta:hover { transform: translateY(-1px); opacity: 1; }

.nav-cta-app {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  margin-right: 10px;
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-cta-app:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--fire);
  color: var(--fire);
  transform: translateY(-1px);
}

/* =================== BUTTONS =================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--fire), var(--ember));
  color: white;
  box-shadow: var(--shadow-fire);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 40px rgba(255,59,30,0.5); opacity: 1; }

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border2);
}
.btn-secondary:hover { background: var(--surface2); opacity: 1; }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border2);
}
.btn-outline:hover { background: var(--surface); opacity: 1; }

.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-block { width: 100%; }

/* =================== CARDS =================== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.card-highlight {
  background: linear-gradient(135deg, rgba(255,59,30,0.05), rgba(255,140,0,0.02));
  border-color: rgba(255,215,0,0.3);
}

/* =================== FORMS =================== */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  transition: all 0.2s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--fire);
  background: var(--surface);
}

.form-input.error { border-color: var(--red); }
.form-hint { font-size: 12px; color: var(--text3); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--red); margin-top: 4px; display: none; }
.form-error.show { display: block; }

/* =================== BADGES =================== */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-primary { background: rgba(255,59,30,0.15); color: var(--fire); }
.badge-success { background: rgba(0,200,150,0.15); color: var(--green); }
.badge-warning { background: rgba(255,184,0,0.15); color: var(--yellow); }
.badge-info { background: rgba(59,130,246,0.15); color: var(--blue); }

/* =================== CONTAINER =================== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-sm { max-width: 680px; margin: 0 auto; padding: 0 24px; }

/* =================== FOOTER =================== */
.footer {
  background: var(--ash);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col a {
  display: block;
  color: var(--text2);
  padding: 4px 0;
  font-size: 14px;
}
.footer-col a:hover { color: var(--fire); }

.footer-brand-desc { color: var(--text2); font-size: 14px; margin: 16px 0; line-height: 1.6; }

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  color: var(--text3);
  font-size: 13px;
}

/* =================== UTILITIES =================== */
.text-center { text-align: center; }
.text-gradient {
  background: linear-gradient(135deg, var(--fire), var(--ember));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; } .mt-5 { margin-top: 48px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; } .mb-5 { margin-bottom: 48px; }

/* =================== RESPONSIVE =================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { font-size: 13px; padding: 8px 14px; }
  .nav-cta-app { font-size: 12px; padding: 7px 12px; margin-right: 6px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}