/* ============================================================
   Étude Fall & Associés — styles.css
   Thème : Justice & Rigueur · Ivoire / Encre / Bordeaux #8B1A2F
   Typo  : Fraunces (serif variable) + DM Sans
   ============================================================ */

:root {
  --ivoire:        #F8F5F0;
  --ivoire-sombre: #EDE8DF;
  --ivoire-bord:   #DDD6C8;
  --bordeaux:      #8B1A2F;
  --bordeaux-light:#A82540;
  --bordeaux-dark: #6B1224;
  --bordeaux-pale: #F5EEF0;
  --encre:         #0F1419;
  --encre-doux:    #1E2A35;
  --encre-muted:   #5C6B7A;
  --blanc:         #FFFFFF;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- Numéros de section filigrane ---- */
.section-num {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(6rem, 12vw, 11rem);
  font-weight: 300;
  color: rgba(139, 26, 47, 0.05);
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* ---- Top bar ---- */
.top-bar {
  position: relative;
  z-index: 60;
}

/* ---- NAVBAR ---- */
#navbar {
  background: var(--ivoire);
  border-bottom: 1px solid var(--ivoire-bord);
  transition: box-shadow 0.3s ease;
}
#navbar.scrolled {
  box-shadow: 0 2px 24px rgba(15, 20, 25, 0.08);
  background: rgba(248, 245, 240, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-link {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--encre-muted);
  transition: color 0.2s ease;
}
.nav-link:hover { color: var(--bordeaux); }
.nav-link.active { color: var(--bordeaux); }

.mobile-link {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--encre);
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--ivoire-bord);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.mobile-link:hover { color: var(--bordeaux); padding-left: 1rem; }

/* Hamburger */
.burger-line {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--encre);
  transition: all 0.3s ease;
}
#menu-toggle.open .burger-line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
#menu-toggle.open .burger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
#menu-toggle.open .burger-line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---- HERO ---- */
.hero-text > * {
  animation: fade-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.hero-text > *:nth-child(1) { animation-delay: 0.05s; }
.hero-text > *:nth-child(2) { animation-delay: 0.15s; }
.hero-text > *:nth-child(3) { animation-delay: 0.25s; }
.hero-text > *:nth-child(4) { animation-delay: 0.35s; }
.hero-text > *:nth-child(5) { animation-delay: 0.45s; }
.hero-text > *:nth-child(6) { animation-delay: 0.55s; }

.hero-img {
  animation: img-in 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}
@keyframes img-in {
  from { opacity: 0; transform: scale(1.03); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Badges accréditation hero */
.accred-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--encre-muted);
  background: var(--blanc);
  border: 1px solid var(--ivoire-bord);
  padding: 0.4rem 0.85rem;
}

/* Hero bas bande */
.hero-tag {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* ---- EYEBROWS ---- */
.eyebrow {
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bordeaux);
}
.eyebrow-light {
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(168, 37, 64, 0.7);
}

/* Séparateurs */
.sep-line {
  width: 40px;
  height: 1px;
  background: var(--bordeaux);
}
.sep-line-light {
  width: 40px;
  height: 1px;
  background: var(--bordeaux);
  opacity: 0.6;
}

/* ---- REVEALS ---- */
.reveal, .reveal-right {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-right { transform: translateY(20px) translateX(20px); }
.reveal.visible, .reveal-right.visible {
  opacity: 1;
  transform: none;
}

/* ---- MISSION CARDS ---- */
.mission-card {
  background: var(--blanc);
  border: 1px solid var(--ivoire-bord);
  padding: 2rem;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}
.mission-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--bordeaux);
  transition: height 0.3s ease;
}
.mission-card:hover::before { height: 100%; }
.mission-card:hover {
  transform: translateY(-4px);
  border-color: var(--bordeaux);
  box-shadow: 0 10px 32px rgba(139, 26, 47, 0.07);
}

.mission-icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--ivoire-bord);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--bordeaux);
  transition: background 0.25s ease, border-color 0.25s ease;
}
.mission-card:hover .mission-icon {
  background: var(--bordeaux);
  border-color: var(--bordeaux);
  color: white;
}
.mission-card:hover .mission-icon svg { stroke: white; }

.mission-sep {
  width: 28px;
  height: 1px;
  background: var(--ivoire-bord);
  margin: 0.75rem 0 0.9rem;
  transition: background 0.25s ease, width 0.25s ease;
}
.mission-card:hover .mission-sep {
  background: var(--bordeaux);
  width: 40px;
}

/* ---- STAT CARDS ---- */
.stat-card {
  background: var(--blanc);
  border: 1px solid var(--ivoire-bord);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform 0.2s ease;
}
.stat-card:hover { transform: translateY(-3px); }

.stat-card-dark {
  background: var(--encre);
  border-color: transparent;
}

/* ---- ENGAGEMENT ITEMS ---- */
.engagement-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--ivoire-bord);
}
.engagement-item:last-child { border-bottom: none; }

.engagement-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bordeaux);
  flex-shrink: 0;
  margin-top: 5px;
}

/* ---- ÉQUIPE ---- */
.team-card {
  overflow: hidden;
  transition: transform 0.25s ease;
}
.team-card:hover { transform: translateY(-4px); }

.team-img-wrap {
  position: relative;
  overflow: hidden;
}

.team-photo {
  transition: transform 0.6s ease, filter 0.5s ease;
}
.team-card:hover .team-photo {
  transform: scale(1.03);
  filter: grayscale(0);
}

.team-overlay {
  position: absolute;
  inset: 0;
  background: rgba(139, 26, 47, 0);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
  transition: background 0.35s ease;
}
.team-card:hover .team-overlay {
  background: rgba(139, 26, 47, 0.35);
}

.team-contact-btn {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: white;
  background: var(--bordeaux);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  text-decoration: none;
}
.team-card:hover .team-contact-btn {
  opacity: 1;
  transform: translateY(0);
}

.team-body {
  background: var(--blanc);
  border: 1px solid var(--ivoire-bord);
  border-top: none;
  padding: 1.5rem;
}

.team-accent-line {
  width: 32px;
  height: 2px;
  background: var(--bordeaux);
  margin-bottom: 0.75rem;
}

/* ---- PROCÉDURE — Étapes ---- */
.step-card {
  position: relative;
  padding: 1.5rem;
  transition: transform 0.25s ease;
}
.step-card:hover { transform: translateY(-4px); }

.step-num-bg {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 5rem;
  font-weight: 300;
  color: rgba(139, 26, 47, 0.07);
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  line-height: 1;
  pointer-events: none;
}

.step-icon {
  width: 60px;
  height: 60px;
  border: 1px solid var(--ivoire-bord);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  color: var(--bordeaux);
  background: var(--blanc);
  position: relative;
  z-index: 1;
  transition: background 0.25s ease, border-color 0.25s ease;
}
.step-card:hover .step-icon {
  background: var(--bordeaux);
  border-color: var(--bordeaux);
  color: white;
}
.step-card:hover .step-icon svg { stroke: white; }

/* ---- TÉMOIGNAGES ---- */
.testi-card {
  background: var(--blanc);
  border: 1px solid var(--ivoire-bord);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.testi-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(15, 20, 25, 0.07);
}

.testi-quote {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 6rem;
  color: rgba(139, 26, 47, 0.06);
  line-height: 1;
  position: absolute;
  top: 0.5rem;
  right: 1.25rem;
  pointer-events: none;
}

.testi-sep {
  width: 32px;
  height: 1px;
  background: var(--bordeaux);
  opacity: 0.5;
}

/* ---- CONTACT (fond sombre) ---- */
.contact-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  transition: background 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
}
.contact-row:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(139, 26, 47, 0.4);
}

.contact-icon-wrap {
  width: 44px;
  height: 44px;
  background: rgba(139, 26, 47, 0.12);
  border: 1px solid rgba(139, 26, 47, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Formulaire fond sombre */
.form-label-dark {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 0.5rem;
}

.form-input-dark {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: white;
  padding: 0.75rem 1rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s ease;
  appearance: none;
}
.form-input-dark:focus { border-color: var(--bordeaux); }
.form-input-dark::placeholder { color: rgba(255,255,255,0.2); }
.form-input-dark option { background: var(--encre); color: white; }

/* ---- FOOTER ---- */
.footer-link {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 300;
  color: rgba(255,255,255,0.35);
  transition: color 0.2s ease;
  text-decoration: none;
}
.footer-link:hover { color: var(--bordeaux-light); }

/* ---- WhatsApp float ---- */
.wa-btn {
  animation: wa-glow 3s ease-in-out infinite;
}
@keyframes wa-glow {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.3); }
  50%       { box-shadow: 0 4px 32px rgba(37,211,102,0.55); }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--ivoire); }
::-webkit-scrollbar-thumb { background: var(--ivoire-bord); }
::-webkit-scrollbar-thumb:hover { background: var(--bordeaux); }