/* ============================================================
   SUV BACKEND - CSS commun (branding + responsive)
   Palette : doré + anthracite (base) + bleu SUV pour onglets/divs
   ============================================================ */

:root {
  --suv-anthracite:    #1A1A1A;
  --suv-anthracite-2:  #222222;
  --suv-gold:          #C9A14A;
  --suv-gold-light:    #E0BC73;
  --suv-gold-dark:     #A8842F;
  --suv-blue:          #21345E;
  --suv-blue-light:    #2C4783;
  --suv-blue-premium:  #1E3A8A;
  --suv-blue-modern:   #2563EB;
  --suv-gray-soft:     #E5E7EB;
  --suv-gray-border:   #D1D5DB;
  --suv-gray-bg:       #F8F9FB;
  --suv-white:         #FFFFFF;
  --suv-text:          #1A1A1A;
  --suv-text-soft:     #4B5563;
  --suv-text-muted:    #6B7280;
  --suv-success:       #10B981;
  --suv-warning:       #F59E0B;
  --suv-danger:        #DC2626;

  --suv-shadow-card:   0 10px 30px rgba(0,0,0,0.05);
  --suv-shadow-elev:   0 4px 16px rgba(0,0,0,0.08);
  --suv-shadow-gold:   0 4px 14px rgba(201,161,74,0.35);

  --suv-radius:        12px;
  --suv-radius-sm:     8px;
  --suv-radius-lg:     18px;

  --suv-font-sans:     'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  --suv-font-serif:    'Cormorant Garamond',Georgia,serif;
}

/* === RESET === */
*,*::before,*::after { box-sizing:border-box; }
html,body { margin:0; padding:0; }
body {
  font-family: var(--suv-font-sans);
  color: var(--suv-text);
  background: var(--suv-gray-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { color: var(--suv-blue); text-decoration: none; }
a:hover { color: var(--suv-blue-premium); }
button { font-family: inherit; cursor: pointer; }

/* === TYPOGRAPHIE === */
.suv-h1, h1.suv-h1 {
  font-family: var(--suv-font-serif);
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  font-weight: 700;
  color: var(--suv-anthracite);
  margin: 0 0 12px;
  letter-spacing: 0.3px;
}
.suv-h2 {
  font-family: var(--suv-font-serif);
  font-size: clamp(1.25rem, 1.8vw, 1.6rem);
  font-weight: 700;
  color: var(--suv-anthracite);
  margin: 0 0 10px;
}
.suv-eyebrow {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--suv-gold-dark);
  font-weight: 700;
}

/* === BOUTONS === */
.suv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--suv-radius-sm);
  border: none;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.3px;
  transition: all 0.2s ease;
  text-decoration: none;
  cursor: pointer;
}
.suv-btn-gold {
  background: linear-gradient(135deg, var(--suv-gold) 0%, var(--suv-gold-dark) 100%);
  color: var(--suv-anthracite);
  box-shadow: var(--suv-shadow-gold);
}
.suv-btn-gold:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(201,161,74,0.5); color: var(--suv-anthracite); }
.suv-btn-blue {
  background: var(--suv-blue);
  color: #fff;
}
.suv-btn-blue:hover { background: var(--suv-blue-light); color:#fff; }
.suv-btn-dark {
  background: var(--suv-anthracite);
  color: #fff;
}
.suv-btn-dark:hover { background: #000; color:#fff; }
.suv-btn-ghost {
  background: transparent;
  color: var(--suv-text);
  border: 1px solid var(--suv-gray-border);
}
.suv-btn-ghost:hover { background: var(--suv-gray-soft); }

/* === CARDS === */
.suv-card {
  background: #fff;
  border-radius: var(--suv-radius);
  box-shadow: var(--suv-shadow-card);
  padding: 24px;
  border: 1px solid rgba(0,0,0,0.04);
}

/* === FORMULAIRES === */
.suv-input,
.suv-select,
.suv-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--suv-gray-border);
  border-radius: var(--suv-radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
  color: var(--suv-text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.suv-input:focus,
.suv-select:focus,
.suv-textarea:focus {
  outline: none;
  border-color: var(--suv-gold);
  box-shadow: 0 0 0 3px rgba(201,161,74,0.15);
}
.suv-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--suv-text-soft);
  margin-bottom: 6px;
}

/* === ALERTS / MESSAGES === */
.suv-alert {
  padding: 12px 16px;
  border-radius: var(--suv-radius-sm);
  margin-bottom: 14px;
  font-size: 0.92rem;
  border-left: 4px solid;
}
.suv-alert-error   { background: #FEF2F2; color: #991B1B; border-color: var(--suv-danger); }
.suv-alert-success { background: #ECFDF5; color: #065F46; border-color: var(--suv-success); }
.suv-alert-info    { background: #EFF6FF; color: #1E3A8A; border-color: var(--suv-blue-modern); }
.suv-alert-warning { background: #FFFBEB; color: #92400E; border-color: var(--suv-warning); }

/* === SVG ICONS === */
.suv-icon { width: 20px; height: 20px; flex-shrink: 0; }
.suv-icon-lg { width: 28px; height: 28px; }
.suv-icon-sm { width: 16px; height: 16px; }