/* ============================================
   JLV CONCEPT — Feuille de style principale
   Palette : bordeaux #BD0926, noir #111, blanc #FAFAF8, gris
   ============================================ */

:root {
  --bordeaux:     #BD0926;
  --bordeaux-dark:#96071E;
  --bordeaux-light:#D42040;
  --noir:         #111111;
  --noir-soft:    #1E1E1E;
  --blanc:        #FAFAF8;
  --blanc-warm:   #F4F2ED;
  --gris-light:   #EDEBE6;
  --gris-mid:     #C5C3BE;
  --gris-text:    #6B6968;
  --gris-dark:    #3A3836;
  --border:       rgba(17,17,17,0.10);
  --border-mid:   rgba(17,17,17,0.18);
  --shadow-sm:    0 2px 12px rgba(123,30,46,0.08);
  --shadow-md:    0 8px 32px rgba(123,30,46,0.12);
  --radius:       3px;
  --radius-md:    6px;
  --transition:   0.22s ease;
}

/* RESET */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--blanc);
  color: var(--noir);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; }

/* TYPOGRAPHY */
h1, h2, h3, h4 {
  font-family: 'Nunito Sans', sans-serif;
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.serif { font-family: 'Nunito Sans', sans-serif; }
.label {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bordeaux);
}
.label-dark { color: var(--gris-mid); }

/* ============ NAVIGATION ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 52px;
  background: rgba(250,250,248,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.nav-logo {
  display: flex; align-items: center; gap: 10px;
}
.nav-logo-text {
  font-family: 'Nunito Sans', sans-serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--noir);
}
.nav-logo-text span { color: var(--bordeaux); }
.nav-logo-tagline {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gris-text);
  padding-left: 12px;
  margin-left: 12px;
  border-left: 1px solid var(--border-mid);
}
.nav-links {
  display: flex;
  gap: 38px;
  align-items: center;
}
.nav-links a {
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gris-text);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--bordeaux);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.nav-links a:hover,
.nav-links a.active { color: var(--noir); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-cta {
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 10px 22px;
  background: var(--bordeaux);
  color: var(--blanc) !important;
  transition: background var(--transition);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--bordeaux-dark); }

/* ============ FOOTER ============ */
.footer {
  background: var(--noir);
  color: rgba(255,255,255,0.35);
  padding: 60px 52px 36px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .footer-logo-text {
  font-family: 'Nunito Sans', sans-serif;
  font-size: 24px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.footer-brand .footer-logo-text span { color: var(--bordeaux-light); }
.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.4);
  max-width: 280px;
}
.footer-col h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.38);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-col a:hover { color: rgba(255,255,255,0.75); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 11.5px;
}
.footer-bottom a { transition: color var(--transition); }
.footer-bottom a:hover { color: rgba(255,255,255,0.6); }

/* ============ BOUTONS ============ */
.btn {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  padding: 13px 30px;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--bordeaux);
  color: var(--blanc);
}
.btn-primary:hover { background: var(--bordeaux-dark); }
.btn-secondary {
  background: transparent;
  color: var(--noir);
  border: 1px solid var(--border-mid);
}
.btn-secondary:hover {
  border-color: var(--noir);
  background: var(--gris-light);
}
.btn-white {
  background: var(--blanc);
  color: var(--bordeaux);
}
.btn-white:hover { background: var(--blanc-warm); }
.btn-outline-white {
  background: transparent;
  color: rgba(255,255,255,0.75);
  border: 1px solid rgba(255,255,255,0.22);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.07);
  color: var(--blanc);
}

/* ============ PAGE HERO (pages internes) ============ */
.page-hero {
  padding: 140px 52px 80px;
  background: var(--blanc-warm);
  border-bottom: 1px solid var(--border);
}
.page-hero .label { margin-bottom: 14px; display: block; }
.page-hero h1 {
  font-size: clamp(40px, 5vw, 64px);
  color: var(--noir);
  max-width: 640px;
}
.page-hero h1 em {  color: var(--bordeaux); }
.page-hero p {
  font-size: 16px;
  color: var(--gris-text);
  max-width: 520px;
  margin-top: 20px;
  line-height: 1.75;
}

/* ============ SECTION LAYOUT ============ */
.section { padding: 96px 52px; }
.section-sm { padding: 72px 52px; }
.section-bg { background: var(--blanc-warm); }
.section-dark { background: var(--noir); }
.section-bordeaux { background: var(--bordeaux); }

.section-header { margin-bottom: 56px; }
.section-header h2 {
  font-size: clamp(36px, 4vw, 54px);
  margin-top: 12px;
  max-width: 540px;
}
.section-header h2 em {  color: var(--bordeaux); }
.section-header p {
  font-size: 15px;
  color: var(--gris-text);
  max-width: 480px;
  margin-top: 16px;
  line-height: 1.75;
}
.section-header.centered { text-align: center; }
.section-header.centered h2 { margin: 12px auto 0; }
.section-header.centered p { margin: 16px auto 0; }

/* ============ CARDS ============ */
.card {
  background: var(--blanc);
  border: 1px solid var(--border);
  padding: 36px 32px;
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--bordeaux);
  transform: translateY(-3px);
}

/* ============ DIVIDER ============ */
.divider {
  width: 40px; height: 2px;
  background: var(--bordeaux);
  margin: 20px 0;
}
.divider.centered { margin: 20px auto; }

/* ============ FORM STYLES ============ */
.form-group { margin-bottom: 22px; }
.form-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gris-text);
  margin-bottom: 8px;
}
.form-control {
  width: 100%;
  padding: 13px 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  color: var(--noir);
  background: var(--blanc);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-control:focus {
  border-color: var(--bordeaux);
  box-shadow: 0 0 0 3px rgba(123,30,46,0.08);
}
.form-control::placeholder { color: var(--gris-mid); }
textarea.form-control { resize: vertical; min-height: 130px; }
select.form-control { cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-error {
  font-size: 12px; color: #c0392b;
  margin-top: 5px; display: none;
}
.form-success {
  padding: 20px 24px;
  background: #f0faf4;
  border: 1px solid #27ae60;
  border-radius: var(--radius-md);
  color: #1e8449;
  font-size: 14px;
  display: none;
  margin-bottom: 24px;
}
.form-global-error {
  padding: 16px 20px;
  background: #fdf2f2;
  border: 1px solid #e74c3c;
  border-radius: var(--radius-md);
  color: #c0392b;
  font-size: 13px;
  display: none;
  margin-bottom: 20px;
}

/* Honeypot anti-spam */
.hp-field { position: absolute; opacity: 0; height: 0; width: 0; z-index: -1; }

/* CAPTCHA visuel simple */
.captcha-box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--gris-light);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
}
.captcha-question {
  font-family: 'Courier New', monospace;
  font-size: 18px;
  font-weight: bold;
  color: var(--noir);
  letter-spacing: 0.1em;
  user-select: none;
}
.captcha-input {
  width: 80px !important;
  text-align: center;
  font-size: 18px !important;
  padding: 8px !important;
}
.captcha-refresh {
  background: none; border: none;
  color: var(--gris-text); cursor: pointer;
  font-size: 18px; padding: 4px;
  transition: transform 0.3s;
}
.captcha-refresh:hover { transform: rotate(180deg); color: var(--bordeaux); }

/* ============ BREADCRUMB ============ */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--gris-text);
  margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--bordeaux); }
.breadcrumb span { color: var(--gris-mid); }

/* ============ UTILITIES ============ */
.text-center { text-align: center; }
.text-bordeaux { color: var(--bordeaux); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .nav { padding: 0 28px; }
  .nav-logo-tagline { display: none; }
  .section, .section-sm { padding: 72px 28px; }
  .page-hero { padding: 120px 28px 60px; }
  .footer { padding: 48px 28px 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nav-links { gap: 22px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}