/* ══════════════════════════════════
   TOKENS — palette stricte
══════════════════════════════════ */
:root {
  --blue-dark:  #1F3E56;
  --blue-main:  #2F5D7C;
  --teal:       #2FA4A9;
  --teal-light: #6ECBD0;
  /* Teal lisible sur fond clair (étiquettes, badges) */
  --teal-on-light: #0a5c56;
  --flynas-brand: #00b7ac;
  /* Flynas lisible sur fond clair (WCAG AA texte courant) */
  --flynas-on-light: #047169;
  --bg-light:   #F5F7F8;
  --bg-soft:    #E6F4F5;
  --text:       #4A4A4A;
  --white:      #FFFFFF;

  /* dérivés utilitaires — gris assombri pour AA sur blanc / bg-light */
  --text-muted:    #4D5766;
  --text-strong:   #1F3E56;
  --border:        rgba(47,93,124,0.12);
  --shadow-sm:     0 2px 12px rgba(31,62,86,0.08);
  --shadow-md:     0 8px 32px rgba(31,62,86,0.12);
  --shadow-lg:     0 20px 60px rgba(31,62,86,0.14);
  --radius:        10px;
  --radius-lg:     18px;

  --font-display: 'Playfair Display', serif;
  --font-body:    'DM Sans', sans-serif;
  --ease:         cubic-bezier(0.22,1,0.36,1);

  /* Footer — texte sur --blue-dark (contraste WCAG 2.1 AA, accessibilité / SEO) */
  --footer-text-body:     #C9D5DC;
  --footer-link:          #DCE8EE;
  --footer-heading:       #B8EBEE;
  --footer-bottom-text:   #B8C9D6;
}

/* Nom de marque Flynas (couleur partenaire, contraste renforcé sur fond clair) */
.flynas-name {
  color: var(--flynas-on-light);
  font-weight: inherit;
}

strong.flynas-name {
  font-weight: 700;
}

.nav-links a .flynas-name {
  color: var(--flynas-on-light);
}

.footer-col ul li a .flynas-name {
  color: var(--footer-heading);
}

#flynas-band .fb-text strong.flynas-name {
  color: #a8f0ea;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-light);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-soft); }
::-webkit-scrollbar-thumb { background: var(--teal); border-radius: 4px; }

/* ══════════ NAV ══════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: 72px;
  display: flex; align-items: center;
  padding: 0 5%;
  transition: all 0.4s var(--ease);
}

nav.scrolled {
  background: var(--white);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
  height: 64px;
}

.nav-inner {
  width: 100%; max-width: 1240px;
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}

.nav-logo-img {
  height: 40px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  flex-shrink: 0;
}

.nav-monogram {
  width: 40px; height: 40px;
  background: var(--blue-dark);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 700; color: var(--white);
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(31,62,86,0.3);
}

.nav-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-brand-text b {
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 700;
  color: var(--blue-dark); letter-spacing: 1.5px;
}
.nav-brand-text small {
  font-size: 0.58rem; font-weight: 500; letter-spacing: 3px;
  text-transform: uppercase; color: var(--teal-on-light);
}

.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.5px;
  color: var(--text-muted); text-decoration: none;
  transition: color 0.25s;
  position: relative; padding-bottom: 3px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--teal);
  border-radius: 2px; transition: width 0.3s var(--ease);
}
.nav-links a:hover { color: var(--blue-dark); }
.nav-links a:hover::after { width: 100%; }

/* Sur le hero (navbar transparente) : liens plus foncés + léger halo pour la lisibilité sur photo / dégradé */
#navbar:not(.scrolled) .nav-links a:not(.nav-btn) {
  color: var(--blue-dark);
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.95), 0 0 1px rgba(255, 255, 255, 0.9);
}
#navbar:not(.scrolled) .nav-links a:not(.nav-btn):hover {
  color: var(--blue-main);
}
#navbar:not(.scrolled) .nav-links a:not(.nav-btn) .flynas-name {
  color: var(--flynas-on-light);
  font-weight: 700;
}

.nav-btn {
  background: var(--teal) !important;
  color: var(--white) !important;
  padding: 10px 22px !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important; letter-spacing: 0.3px !important;
  box-shadow: 0 4px 16px rgba(47,164,169,0.35) !important;
  transition: all 0.3s !important;
}
.nav-btn:hover {
  background: var(--blue-main) !important;
  box-shadow: 0 6px 24px rgba(47,93,124,0.4) !important;
  transform: translateY(-1px);
}
.nav-btn::after { display: none !important; }

.nav-burger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 6px;
}
.nav-burger span {
  display: block; width: 24px; height: 2px;
  background: var(--blue-dark); border-radius: 2px;
  transition: all 0.3s;
}

/* ══════════ HERO ══════════ */
#hero {
  min-height: 100vh;
  background: transparent;
  position: relative; overflow: hidden;
  display: flex; align-items: center;
}

.hero-bg-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--bg-light);
  background-image: url('../images/avion_flynas.png');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 72% 45%;
  opacity: 0.3;
  pointer-events: none;
}

/* Voile léger surtout sous la colonne texte ; la droite reste ouverte pour l’avion */
.hero-bg-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    105deg,
    rgba(255, 255, 255, 0.82) 0%,
    rgba(245, 247, 248, 0.42) 26%,
    rgba(245, 247, 248, 0.12) 44%,
    transparent 62%
  );
}

/* Plane path SVG */
.hero-plane-path {
  position: absolute; right: 6%; top: 50%; transform: translateY(-50%);
  width: 400px; height: 400px; z-index: 2;
}

.plane-icon {
  position: absolute; z-index: 2;
  right: calc(8% + 190px); top: 50%;
  font-size: 1.6rem;
  animation: orbitPlane 14s linear infinite;
  transform-origin: -190px 0;
  filter: drop-shadow(0 4px 8px rgba(47,93,124,0.3));
}

@keyframes orbitPlane {
  from { transform: rotate(0deg) translateX(190px) rotate(90deg); }
  to   { transform: rotate(360deg) translateX(190px) rotate(90deg); }
}

.hero-content {
  position: relative; z-index: 5;
  padding: 120px 5% 80px;
  max-width: 620px;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-soft);
  border: 1px solid rgba(47,164,169,0.25);
  color: var(--teal-on-light);
  padding: 6px 16px; border-radius: 50px;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 28px;
  opacity: 0; animation: fadeUp 0.7s 0.2s forwards;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal);
  animation: blink 2s ease infinite;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  font-weight: 700; line-height: 1.12;
  color: var(--blue-dark);
  margin-bottom: 20px;
  opacity: 0; animation: fadeUp 0.8s 0.4s forwards;
}

.hero-title .accent { color: var(--teal-on-light); }

.hero-title .sub-line {
  display: block;
  font-size: 0.42em; font-weight: 400;
  font-family: var(--font-body);
  letter-spacing: 4px; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 10px;
}

.hero-desc {
  font-size: 1.02rem; font-weight: 300; line-height: 1.85;
  color: var(--text);
  margin-bottom: 40px; max-width: 500px;
  opacity: 0; animation: fadeUp 0.8s 0.6s forwards;
}

.hero-desc strong { color: var(--blue-dark); font-weight: 600; }

.hero-ctas {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  opacity: 0; animation: fadeUp 0.8s 0.8s forwards;
}

.btn-fill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue-dark); color: var(--white);
  padding: 15px 32px; border-radius: var(--radius);
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.5px;
  text-decoration: none;
  box-shadow: 0 6px 24px rgba(31,62,86,0.28);
  transition: all 0.3s var(--ease);
}
.btn-fill:hover {
  background: var(--blue-main);
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(31,62,86,0.35);
}

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--blue-dark); text-decoration: none;
  padding: 15px 28px; border-radius: var(--radius);
  border: 1.5px solid var(--border);
  font-size: 0.82rem; font-weight: 500;
  background: var(--white);
  transition: all 0.3s var(--ease);
}
.btn-ghost:hover {
  border-color: var(--teal); color: var(--teal-on-light);
  background: var(--bg-soft);
}

.hero-stats {
  display: flex; gap: 36px;
  margin-top: 52px; padding-top: 36px;
  border-top: 1px solid var(--border);
  opacity: 0; animation: fadeUp 0.8s 1s forwards;
}

.h-stat { display: flex; flex-direction: column; }

.h-stat-val {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 700;
  color: var(--blue-dark); line-height: 1;
}
.h-stat-val span { color: var(--teal-on-light); }

.h-stat-lbl {
  font-size: 0.68rem; font-weight: 500;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--text-muted); margin-top: 4px;
}

/* Flynas highlight card */
.flynas-card {
  position: absolute; right: 5%; bottom: 10%; z-index: 6;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 16px;
  min-width: 240px;
  border: 1px solid var(--border);
  opacity: 0; animation: fadeUp 0.8s 1.2s forwards;
}

.flynas-logo {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-main));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(31,62,86,0.25);
}
.flynas-logo span {
  font-family: var(--font-display);
  font-size: 0.85rem; font-weight: 700; color: var(--white);
  letter-spacing: 1px;
}

.flynas-info h4 {
  font-size: 0.9rem; font-weight: 700; color: var(--flynas-on-light);
}
.flynas-info p {
  font-size: 0.72rem; color: var(--text-muted); margin-top: 2px;
}
.flynas-tag {
  margin-top: 6px;
  display: inline-block;
  background: var(--bg-soft);
  color: var(--flynas-on-light);
  padding: 3px 10px; border-radius: 20px;
  font-size: 0.63rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
}

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

/* ══════════ SECTION BASE ══════════ */
section { padding: 96px 5%; }

.container { max-width: 1240px; margin: 0 auto; }

.s-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.65rem; font-weight: 600; letter-spacing: 3.5px;
  text-transform: uppercase; color: var(--teal-on-light);
  margin-bottom: 14px;
}
.s-tag::before {
  content: ''; display: block;
  width: 20px; height: 2px;
  background: var(--teal); border-radius: 2px;
}

.s-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700; line-height: 1.2;
  color: var(--blue-dark); margin-bottom: 16px;
}

/* ══════════ BAND: FLYNAS ══════════ */
#flynas-band {
  padding: 22px 5%;
  background: var(--blue-dark);
  display: flex; align-items: center; justify-content: center;
  gap: 18px; flex-wrap: wrap;
}

.fb-text {
  font-size: 0.82rem; font-weight: 500;
  color: var(--footer-text-body); letter-spacing: 0.5px;
}
.fb-text strong { color: var(--white); }

.fb-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: #d2f7f4; border-radius: 50px;
  padding: 5px 16px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
}

/* ══════════ ABOUT ══════════ */
#about { background: var(--white); }

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}

.about-text .s-title { margin-bottom: 20px; }

.about-body {
  font-size: 0.96rem; line-height: 1.9;
  color: var(--text); font-weight: 400;
}
.about-body p + p { margin-top: 16px; }
.about-body strong { color: var(--blue-dark); font-weight: 600; }

.about-quote {
  margin-top: 28px; padding: 20px 24px;
  background: var(--bg-soft);
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.about-quote p {
  font-family: var(--font-display);
  font-size: 1.05rem; font-style: italic;
  color: var(--blue-dark); line-height: 1.6;
}

/* Visual column */
.about-visual { position: relative; }

.about-main-card {
  background: var(--blue-dark);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
}
.about-main-card::before {
  content: '';
  position: absolute; bottom: -60px; right: -60px;
  width: 200px; height: 200px;
  background: rgba(47,164,169,0.12);
  border-radius: 50%;
}

.about-card-icon {
  width: 56px; height: 56px;
  background: rgba(110,203,208,0.15);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 22px;
}

.about-main-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 600;
  color: var(--white); margin-bottom: 10px;
}
.about-main-card p {
  font-size: 0.88rem; line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
}

.about-mini-cards {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin-top: 16px;
}

.mini-card {
  background: var(--bg-soft);
  border: 1px solid rgba(47,164,169,0.15);
  border-radius: var(--radius);
  padding: 18px 16px;
  display: flex; flex-direction: column; gap: 6px;
  transition: all 0.3s var(--ease);
}
.mini-card:hover {
  background: var(--white);
  border-color: var(--teal);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.mini-card-icon { font-size: 1.3rem; }
.mini-card h5 {
  font-size: 0.8rem; font-weight: 700;
  color: var(--blue-dark);
}
.mini-card p {
  font-size: 0.72rem; color: var(--text-muted); line-height: 1.5;
}

/* ══════════ SERVICES ══════════ */
#services { background: var(--bg-light); }

.services-header {
  text-align: center; max-width: 580px;
  margin: 0 auto 56px;
}
.services-header .s-tag { justify-content: center; }
.services-header .s-tag::before { display: none; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.svc-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative; overflow: hidden;
  transition: all 0.4s var(--ease);
  cursor: default;
}

.svc-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--blue-main));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease);
  border-radius: 3px 3px 0 0;
}

.svc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(47,164,169,0.2);
}
.svc-card:hover::after { transform: scaleX(1); }

.svc-icon {
  width: 52px; height: 52px;
  background: var(--bg-soft);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 22px;
  transition: all 0.4s;
}
.svc-card:hover .svc-icon {
  background: linear-gradient(135deg, var(--teal), var(--blue-main));
  box-shadow: 0 6px 18px rgba(47,164,169,0.35);
}

.svc-card h3 {
  font-size: 1rem; font-weight: 700;
  color: var(--blue-dark); margin-bottom: 10px;
}
.svc-card p {
  font-size: 0.86rem; color: var(--text); line-height: 1.8;
}

.svc-card-featured {
  background: var(--blue-dark);
  border-color: transparent;
}
.svc-card-featured h3 { color: var(--white); }
.svc-card-featured p { color: rgba(255, 255, 255, 0.88); }
.svc-card-featured .svc-icon {
  background: rgba(110,203,208,0.15);
}
.svc-card-featured:hover {
  background: var(--blue-main);
  border-color: transparent;
}
.svc-card-featured:hover .svc-icon {
  background: rgba(110,203,208,0.25);
}

/* ══════════ FLYNAS SECTION ══════════ */
#partner { background: var(--white); }

.partner-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}

.partner-visual {
  position: relative;
}

.partner-hero-card {
  background: linear-gradient(145deg, var(--blue-dark) 0%, var(--blue-main) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.partner-hero-card::before {
  content: '';
  position: absolute; top: -60px; right: -60px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(110,203,208,0.12), transparent 70%);
  border-radius: 50%;
}

.fn-logo-big {
  width: 80px; height: 80px;
  background: var(--white);
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 28px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.fn-logo-big span {
  font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 700;
  color: var(--flynas-on-light);
}

.partner-hero-card h3 {
  font-family: var(--font-display);
  font-size: 1.8rem; font-weight: 700;
  color: var(--flynas-brand); margin-bottom: 8px;
}
.partner-hero-card > p {
  font-size: 0.88rem; color: var(--footer-text-body);
  line-height: 1.7; margin-bottom: 28px;
}

.fn-stats {
  display: flex; gap: 24px;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.12);
}

.fn-stat { display: flex; flex-direction: column; }
.fn-stat-val {
  font-family: var(--font-display);
  font-size: 1.6rem; font-weight: 700;
  color: var(--teal-light); line-height: 1;
}
.fn-stat-lbl {
  font-size: 0.65rem; font-weight: 500;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78); margin-top: 4px;
}

.partner-content .s-title { margin-bottom: 20px; }

.partner-desc {
  font-size: 0.96rem; line-height: 1.9;
  color: var(--text); margin-bottom: 32px;
}

.partner-pillars {
  display: flex; flex-direction: column; gap: 14px;
  margin-bottom: 36px;
}

.pillar {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 16px 18px;
  background: var(--bg-light);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.pillar:hover {
  background: var(--bg-soft);
  border-color: rgba(47,164,169,0.25);
  transform: translateX(4px);
}

.pillar-dot {
  width: 8px; height: 8px; flex-shrink: 0;
  background: var(--teal); border-radius: 50%;
  margin-top: 7px;
}

.pillar p {
  font-size: 0.88rem; color: var(--text); line-height: 1.6;
}
.pillar p strong { color: var(--blue-dark); }

/* ══════════ WHY ══════════ */
#why { background: var(--bg-soft); }

.why-header { text-align: center; max-width: 520px; margin: 0 auto 56px; }
.why-header .s-tag { justify-content: center; }
.why-header .s-tag::before { display: none; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.why-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 22px;
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  gap: 14px;
  transition: all 0.35s var(--ease);
}
.why-card:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.why-card:hover .why-num { color: #9ee8ec; }
.why-card:hover h4 { color: var(--white); }
.why-card:hover p { color: rgba(255, 255, 255, 0.88); }
.why-card:hover .why-icon { background: rgba(110,203,208,0.15); }

.why-icon {
  width: 48px; height: 48px;
  background: var(--bg-soft);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  transition: all 0.35s;
}

.why-num {
  font-family: var(--font-display);
  font-size: 2.2rem; font-weight: 700;
  color: #8B9BAB;
  line-height: 1;
}

.why-card h4 {
  font-size: 0.82rem; font-weight: 700;
  color: var(--blue-dark); letter-spacing: 0.5px;
  text-transform: uppercase; line-height: 1.3;
  transition: all 0.35s;
}
.why-card p {
  font-size: 0.8rem; color: var(--text-muted); line-height: 1.6;
  transition: all 0.35s;
}

/* ══════════ CONTACT ══════════ */
#contact { background: var(--white); }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1.3fr;
  gap: 72px; align-items: start;
}

.contact-left .section-body {
  font-size: 0.95rem; color: var(--text);
  line-height: 1.85; margin-bottom: 32px;
}

.contact-tiles { display: flex; flex-direction: column; gap: 12px; }

.contact-tile {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px;
  background: var(--bg-light);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.contact-tile:hover {
  background: var(--bg-soft);
  border-color: rgba(47,164,169,0.25);
  transform: translateX(4px);
}

.ct-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--bg-soft);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}

.ct-label {
  font-size: 0.67rem; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-muted);
}
.ct-value {
  font-size: 0.88rem; font-weight: 600;
  color: var(--blue-dark); margin-top: 1px;
}

/* Form */
.form-box {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px;
}
.form-box-head { margin-bottom: 28px; }
.form-box-head h3 {
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 700;
  color: var(--blue-dark);
}
.form-box-head p {
  font-size: 0.82rem; color: var(--text-muted); margin-top: 4px;
}

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 15px;
  font-family: var(--font-body);
  font-size: 0.9rem; color: var(--blue-dark);
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(74, 74, 74, 0.55); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(47,164,169,0.12);
}
.form-group textarea { resize: vertical; min-height: 110px; }

.form-submit {
  background: var(--blue-dark); color: var(--white);
  border: none; cursor: pointer;
  padding: 15px 28px; border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.82rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: all 0.35s var(--ease);
  box-shadow: 0 6px 20px rgba(31,62,86,0.25);
}
.form-submit:hover {
  background: var(--teal);
  box-shadow: 0 10px 28px rgba(47,164,169,0.35);
  transform: translateY(-2px);
}

/* ══════════ FOOTER ══════════ */
footer {
  background: var(--blue-dark);
  padding: 64px 5% 28px;
  position: relative; overflow: hidden;
}
footer::before {
  content: '';
  position: absolute; bottom: 0; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(47,164,169,0.07), transparent 60%);
  border-radius: 50%;
}

.footer-top {
  max-width: 1240px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-logo-img {
  display: block;
  height: 70px;
  width: auto;
  max-width: 200px;
  padding: 2px;
  border-radius: 4px;
  background: #fff;
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
  /* Évite le rendu « mou » (sous-pixels) des <img> en flex sur Chrome/Safari */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
}
.footer-mono {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--white);
}
.footer-brand-text b {
  font-family: var(--font-display);
  font-size: 0.95rem; color: var(--white); letter-spacing: 1px;
}
.footer-brand-text small {
  display: block; font-size: 0.55rem; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--footer-heading); margin-top: 1px;
}

.footer-desc {
  font-size: 0.84rem; color: var(--footer-text-body);
  line-height: 1.8; max-width: 280px;
}

.footer-col h5 {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--footer-heading);
  margin-bottom: 10px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column;  }
.footer-col ul li a {
  font-size: 0.83rem; color: var(--footer-link);
  text-decoration: none; transition: color 0.25s;
}
.footer-col ul li a:hover { color: var(--white); }
.footer-col ul li a:focus-visible {
  outline: 2px solid var(--footer-heading);
  outline-offset: 3px;
  border-radius: 2px;
}

.footer-siege {
  font-style: normal;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8rem;
  color: var(--footer-text-body);
  line-height: 1.65;
}
.footer-siege p { margin: 0; }
.footer-siege .footer-siege-city {
  margin-top: 1.1rem;
  letter-spacing: 0.04em;
  font-weight: 600;
  color: var(--footer-link);
}
.footer-siege p:last-child { margin-top: 0.85rem; }

.footer-contact-row {
  max-width: 1240px;
  margin: 0 auto 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 64px;
  position: relative;
  z-index: 1;
}

.footer-contact-title {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--footer-heading);
  margin-bottom: 18px;
}

.footer-contact-line {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.83rem;
  color: var(--footer-link);
  text-decoration: none;
  transition: color 0.25s;
  margin-bottom: 12px;
}
.footer-contact-line:last-of-type { margin-bottom: 0; }
.footer-contact-line:hover { color: var(--white); }
.footer-contact-line:focus-visible {
  outline: 2px solid var(--footer-heading);
  outline-offset: 3px;
  border-radius: 2px;
}

.footer-contact-icon {
  flex-shrink: 0;
  font-size: 0.95rem;
  line-height: 1.35;
  opacity: 0.95;
}

.footer-contact-address {
  font-style: normal;
  font-size: 0.83rem;
  color: var(--footer-text-body);
  line-height: 1.75;
}

.contact-tiles .ct-value a {
  color: var(--blue-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 164, 169, 0.35);
  transition: color 0.2s, border-color 0.2s;
}
.contact-tiles .ct-value a:hover {
  color: var(--teal-on-light);
  border-bottom-color: var(--teal);
}

.footer-bottom {
  max-width: 1240px; margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.14);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px;
}
.footer-bottom p { font-size: 0.74rem; color: var(--footer-bottom-text); }
.footer-bottom span { color: var(--footer-heading); }

/* ══════════ WHATSAPP FLOAT ══════════ */
.whatsapp-float {
  position: fixed;
  left: max(20px, env(safe-area-inset-left, 0px));
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 190;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: #25d366;
  box-shadow:
    0 4px 14px rgba(37, 211, 102, 0.4),
    0 10px 28px rgba(47, 93, 124, 0.22);
  text-decoration: none;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  overflow: visible;
}
.whatsapp-float svg {
  position: relative;
  z-index: 1;
}
.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow:
    0 8px 22px rgba(47, 164, 169, 0.42),
    0 14px 36px rgba(47, 93, 124, 0.28);
  color: #fff;
}
.whatsapp-float:active {
  transform: translateY(-1px) scale(1);
}
.whatsapp-float:focus-visible {
  outline: 3px solid rgba(37, 211, 102, 0.65);
  outline-offset: 4px;
}

.whatsapp-float__pulse {
  position: absolute;
  inset: -4px;
  z-index: 0;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.55);
  animation: whatsapp-pulse 2.2s var(--ease) infinite;
  pointer-events: none;
}

@keyframes whatsapp-pulse {
  0% {
    transform: scale(1);
    opacity: 0.85;
  }
  70% {
    transform: scale(1.18);
    opacity: 0;
  }
  100% {
    transform: scale(1.18);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float__pulse {
    animation: none;
    opacity: 0.35;
  }
}

/* ══════════ BACK TO TOP ══════════ */
.back-to-top {
  position: fixed;
  right: max(20px, env(safe-area-inset-right, 0px));
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 190;
  width: 52px;
  height: 52px;
  padding: 0;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: linear-gradient(150deg, var(--teal) 0%, var(--blue-main) 55%, var(--blue-dark) 100%);
  box-shadow:
    0 4px 6px rgba(31, 62, 86, 0.12),
    0 14px 32px rgba(31, 62, 86, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition:
    opacity 0.4s var(--ease),
    visibility 0.4s,
    transform 0.4s var(--ease),
    box-shadow 0.3s var(--ease);
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.back-to-top:hover {
  box-shadow:
    0 6px 12px rgba(47, 164, 169, 0.25),
    0 18px 40px rgba(31, 62, 86, 0.32);
  transform: translateY(-3px) scale(1.03);
}
.back-to-top.is-visible:hover {
  transform: translateY(-3px) scale(1.03);
}
.back-to-top:active {
  transform: translateY(0) scale(0.98);
}
.back-to-top:focus-visible {
  outline: 2px solid var(--teal-light);
  outline-offset: 4px;
}
@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition-duration: 0.15s;
  }
}

/* ══════════ SCROLL REVEAL ══════════ */
.reveal, .reveal-l, .reveal-r {
  opacity: 0;
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal { transform: translateY(32px); }
.reveal-l { transform: translateX(-32px); }
.reveal-r { transform: translateX(32px); }
.reveal.on, .reveal-l.on, .reveal-r.on { opacity:1; transform: none; }
.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; }
.d4 { transition-delay: 0.32s; }
.d5 { transition-delay: 0.40s; }
.d6 { transition-delay: 0.48s; }

/* ══════════ RESPONSIVE ══════════ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-contact-row { grid-template-columns: 1fr 1fr; gap: 36px 48px; }
}

@media (max-width: 768px) {
  nav { padding: 0 6%; }
  section { padding: 72px 6%; }

  .nav-links {
    position: fixed; top: 0; right: -100%; bottom: 0;
    width: 72%; max-width: 300px;
    background: var(--white);
    flex-direction: column; align-items: flex-start;
    padding: 90px 36px 40px;
    gap: 22px;
    box-shadow: -4px 0 40px rgba(31,62,86,0.14);
    transition: right 0.4s var(--ease); z-index: 199;
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 0.88rem; color: var(--blue-dark); }
  .nav-burger { display: flex; z-index: 201; }

  .hero-plane-path, .plane-icon { display: none; }
  .hero-bg-photo {
    opacity: 0.48;
    background-position: 58% 35%;
  }
  .hero-bg-scrim {
    background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.88) 0%,
      rgba(245, 247, 248, 0.5) 38%,
      rgba(245, 247, 248, 0.18) 58%,
      transparent 78%
    );
  }
  .hero-content { padding: 110px 6% 90px; max-width: 100%; }
  .flynas-card { display: none; }
  .hero-stats { gap: 24px; }

  .about-grid, .partner-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-contact-row { grid-template-columns: 1fr; gap: 28px; padding-top: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .fn-stats { flex-wrap: wrap; gap: 16px; }
}

@media (max-width: 480px) {
  .why-grid { grid-template-columns: 1fr; }
  .about-mini-cards { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .btn-fill, .btn-ghost { width: 100%; justify-content: center; }
}