/* ============================================================
   K3J.COM — Styles principaux
   ============================================================ */
:root {
  --k3j-blue:      #2B4D9C;
  --k3j-red:       #E52520;
  --k3j-cyan:      #38AFE5;
  --k3j-orange:    #E84B1E;
  --k3j-dark:      #0f1f4a;
  --k3j-light:     #f0f4ff;
  --k3j-grey:      #f8f9fa;
  --text-dark:     #1a1a2e;
  --text-muted:    #6c757d;
  --shadow-sm:     0 4px 15px rgba(43,77,156,.12);
  --shadow-md:     0 8px 30px rgba(43,77,156,.18);
  --shadow-lg:     0 16px 50px rgba(43,77,156,.22);
  --radius:        14px;
  --radius-sm:     8px;
  --transition:    all .3s ease;
  --font-head:     'Poppins', sans-serif;
  --font-body:     'Open Sans', sans-serif;
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { text-decoration: none; transition: var(--transition); }

/* ------ Utilitaires ------ */
.section-padding   { padding: 90px 0; }
.bg-light-k3j      { background: var(--k3j-light); }
.bg-dark-k3j       { background: var(--k3j-dark); }
.section-label {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--k3j-red);
  background: rgba(229,37,32,.08);
  padding: 5px 16px;
  border-radius: 30px;
  margin-bottom: 14px;
}
.section-label.text-accent { color: var(--k3j-cyan); background: rgba(56,175,229,.12); }
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 14px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ------ Boutons ------ */
.btn-primary-k3j {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--k3j-red), var(--k3j-orange));
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .95rem;
  box-shadow: 0 6px 20px rgba(229,37,32,.3);
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary-k3j:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(229,37,32,.4);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.k3j-navbar {
  background: var(--k3j-blue) !important;
  padding: 14px 0;
  transition: var(--transition);
  border-bottom: 2px solid rgba(255,255,255,.08);
}
.k3j-navbar.scrolled {
  padding: 8px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
}
.navbar-logo {
  height: 52px;
  max-width: 200px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.navbar-brand-text {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
}
.navbar-brand-text .dot { color: var(--k3j-cyan); }
.k3j-navbar .nav-link {
  color: rgba(255,255,255,.88) !important;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: .92rem;
  padding: 8px 14px !important;
  border-radius: 6px;
  transition: var(--transition);
}
.k3j-navbar .nav-link:hover,
.k3j-navbar .nav-link.active {
  color: #fff !important;
  background: rgba(255,255,255,.1);
}
.btn-devis {
  background: linear-gradient(135deg, var(--k3j-red), var(--k3j-orange));
  color: #fff !important;
  padding: 9px 22px !important;
  border-radius: 50px;
  font-weight: 600;
  font-size: .88rem;
  box-shadow: 0 4px 16px rgba(229,37,32,.35);
}
.btn-devis:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(229,37,32,.45);
}
.navbar-toggler { border-color: rgba(255,255,255,.4); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ============================================================
   HERO
   ============================================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('assets/images/hero-default.jpg') center/cover no-repeat;
  background-color: var(--k3j-blue);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(15,31,74,.92) 0%,
    rgba(43,77,156,.75) 50%,
    rgba(232,75,30,.35) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 20px 60px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--k3j-cyan);
  background: rgba(56,175,229,.15);
  border: 1px solid rgba(56,175,229,.3);
  padding: 6px 20px;
  border-radius: 30px;
  margin-bottom: 22px;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.1;
  margin-bottom: 22px;
  background: linear-gradient(135deg, #fff 30%, var(--k3j-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 400;
  opacity: .9;
  max-width: 640px;
  margin: 0 auto 36px;
  color: rgba(255,255,255,.88);
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--k3j-red), var(--k3j-orange));
  color: #fff;
  padding: 15px 34px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 8px 28px rgba(229,37,32,.45);
  transition: var(--transition);
}
.btn-hero-primary:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(229,37,32,.55);
}
.btn-hero-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: #fff;
  padding: 14px 32px;
  border-radius: 50px;
  border: 2px solid rgba(255,255,255,.5);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
}
.btn-hero-outline:hover {
  color: #fff;
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.8);
  transform: translateY(-3px);
}
.hero-scroll-btn {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.7);
  font-size: 1.4rem;
  z-index: 3;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   À PROPOS
   ============================================================ */
.about-img-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img { width: 100%; border-radius: var(--radius); display: block; }
.about-badge {
  position: absolute;
  bottom: 24px;
  right: -12px;
  background: linear-gradient(135deg, var(--k3j-red), var(--k3j-orange));
  color: #fff;
  text-align: center;
  padding: 16px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  font-family: var(--font-head);
}
.about-badge i     { font-size: 1.4rem; margin-bottom: 4px; }
.about-badge strong { display: block; font-size: 1.6rem; font-weight: 700; }
.about-badge small  { font-size: .7rem; opacity: .9; }
.about-img-placeholder {
  border-radius: var(--radius);
  overflow: hidden;
  height: 380px;
}
.about-img-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  height: 100%;
}
.aig-item {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 2.5rem;
  color: #fff;
}
.aig-1 { background: linear-gradient(135deg, var(--k3j-blue), #1a3170); }
.aig-2 { background: linear-gradient(135deg, var(--k3j-red), var(--k3j-orange)); }
.aig-3 { background: linear-gradient(135deg, var(--k3j-cyan), #2596c4); }
.aig-4 { background: linear-gradient(135deg, var(--k3j-blue), var(--k3j-red)); }
.about-desc { color: var(--text-muted); font-size: 1.05rem; line-height: 1.8; }
.stat-box {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 18px 10px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.stat-box:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-number {
  display: block;
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--k3j-blue);
}
.stat-label {
  display: block;
  font-size: .78rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
}

/* ============================================================
   VALEURS
   ============================================================ */
.value-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  border-bottom: 4px solid transparent;
}
.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--k3j-red);
}
.value-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--k3j-blue), var(--k3j-cyan));
  transform: scaleX(0);
  transition: var(--transition);
}
.value-card:hover::before { transform: scaleX(1); }
.value-number {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 900;
  color: var(--k3j-light);
  position: absolute;
  top: 12px; right: 20px;
  line-height: 1;
  pointer-events: none;
}
.value-icon {
  width: 58px; height: 58px;
  background: linear-gradient(135deg, var(--k3j-blue), var(--k3j-cyan));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: 0 6px 20px rgba(43,77,156,.3);
}
.value-title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--k3j-blue);
  margin-bottom: 10px;
}
.value-text {
  font-size: .9rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

/* ============================================================
   SERVICES
   ============================================================ */
.service-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  height: 100%;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.service-img-wrap { position: relative; height: 180px; overflow: hidden; }
.service-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.service-card:hover .service-img-wrap img { transform: scale(1.06); }
.service-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,31,74,.6), transparent);
}
.service-card-body { padding: 26px 24px; }
.service-icon-wrap {
  width: 54px; height: 54px;
  background: linear-gradient(135deg, var(--k3j-red), var(--k3j-orange));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.3rem;
  color: #fff;
  box-shadow: 0 5px 16px rgba(229,37,32,.3);
}
.service-title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.service-text { font-size: .9rem; color: var(--text-muted); margin-bottom: 18px; }
.service-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 600;
  color: var(--k3j-blue);
}
.service-link:hover { color: var(--k3j-red); gap: 8px; }
.service-link i { transition: var(--transition); }
.service-link:hover i { transform: translateX(4px); }

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio-filters { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.pf-btn {
  padding: 7px 20px;
  border: 2px solid rgba(255,255,255,.25);
  background: transparent;
  color: rgba(255,255,255,.75);
  border-radius: 30px;
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.pf-btn:hover, .pf-btn.active {
  background: var(--k3j-red);
  border-color: var(--k3j-red);
  color: #fff;
}
.portfolio-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  height: 260px;
  box-shadow: var(--shadow-sm);
}
.portfolio-img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.portfolio-card:hover .portfolio-img { transform: scale(1.08); }
.portfolio-placeholder {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a2d6e, #0f1f4a);
  color: rgba(255,255,255,.3);
  font-size: .9rem;
  gap: 10px;
}
.portfolio-placeholder i { font-size: 2.5rem; }
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,31,74,.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  opacity: 0;
  transition: var(--transition);
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.portfolio-category {
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--k3j-cyan);
  margin-bottom: 6px;
}
.portfolio-title {
  color: #fff;
  font-family: var(--font-head);
  font-weight: 600;
  margin: 0;
  font-size: 1rem;
}
.portfolio-item.hidden { display: none; }

/* ============================================================
   PARTENAIRES
   ============================================================ */
.partners-swiper { padding: 10px 0 30px; }
.partner-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: #fff;
  border-radius: var(--radius);
  height: 110px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.partner-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.partner-logo {
  max-height: 70px;
  max-width: 160px;
  object-fit: contain;
  filter: grayscale(40%);
  transition: var(--transition);
}
.partner-item:hover .partner-logo { filter: grayscale(0); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-info-card {
  background: linear-gradient(135deg, var(--k3j-blue), var(--k3j-dark));
  color: #fff;
  border-radius: var(--radius);
  padding: 40px 36px;
  height: 100%;
  box-shadow: var(--shadow-lg);
}
.contact-info-card h4 { color: #fff; }
.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.contact-icon {
  width: 44px; height: 44px;
  min-width: 44px;
  background: rgba(255,255,255,.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--k3j-cyan);
}
.contact-item strong { display: block; font-weight: 600; margin-bottom: 4px; color: rgba(255,255,255,.9); }
.contact-item p { margin: 0; font-size: .9rem; color: rgba(255,255,255,.72); }
.contact-item a { color: rgba(255,255,255,.72); }
.contact-item a:hover { color: #fff; }
.contact-socials { display: flex; gap: 12px; }
.social-btn {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  transition: var(--transition);
}
.social-btn.facebook { background: #1877f2; }
.social-btn.facebook:hover { background: #0d5fd8; transform: translateY(-3px); }
.social-btn.whatsapp { background: #25d366; }
.social-btn.whatsapp:hover { background: #1ab857; transform: translateY(-3px); }

.contact-form-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px 36px;
  box-shadow: var(--shadow-md);
}
.form-floating > .form-control,
.form-floating > .form-select {
  border: 1.5px solid #dde4f0;
  border-radius: var(--radius-sm);
  background: #f8faff;
  transition: var(--transition);
}
.form-floating > .form-control:focus,
.form-floating > .form-select:focus {
  border-color: var(--k3j-blue);
  box-shadow: 0 0 0 3px rgba(43,77,156,.12);
  background: #fff;
}

/* ============================================================
   FOOTER
   ============================================================ */
.k3j-footer {
  background: var(--k3j-dark);
  color: rgba(255,255,255,.75);
  padding-top: 70px;
}
.footer-main { padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-logo { height: 50px; max-width: 180px; object-fit: contain; filter: brightness(0) invert(1); }
.footer-brand-text { font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: #fff; }
.footer-brand-text span { color: var(--k3j-cyan); }
.footer-tagline {
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--k3j-cyan);
  margin: 8px 0 14px;
}
.footer-desc { font-size: .88rem; line-height: 1.7; margin-bottom: 20px; }
.footer-socials { display: flex; gap: 10px; }
.footer-socials a {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.75);
  font-size: 1rem;
  transition: var(--transition);
}
.footer-socials a:hover { background: var(--k3j-red); color: #fff; transform: translateY(-3px); }
.footer-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--k3j-red);
  display: inline-block;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,.7); font-size: .9rem; transition: var(--transition); }
.footer-links a:hover { color: var(--k3j-cyan); padding-left: 6px; }
.footer-contact-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
  font-size: .88rem;
}
.footer-contact-item i { color: var(--k3j-cyan); margin-top: 4px; min-width: 16px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  font-size: .82rem;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-admin-link { color: rgba(255,255,255,.3); font-size: .8rem; }
.footer-admin-link:hover { color: rgba(255,255,255,.7); }

/* ============================================================
   BOUTON WHATSAPP FLOTTANT
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  width: 62px; height: 62px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  color: #fff;
  box-shadow: 0 6px 24px rgba(37,211,102,.5);
  transition: var(--transition);
}
.whatsapp-float:hover {
  color: #fff;
  transform: scale(1.1);
  box-shadow: 0 10px 30px rgba(37,211,102,.6);
}
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,.45);
  animation: waRipple 2s ease-out infinite;
}
@keyframes waRipple {
  0%   { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}
.whatsapp-tooltip {
  position: absolute;
  right: 74px;
  top: 50%;
  transform: translateY(-50%);
  background: #333;
  color: #fff;
  font-size: .78rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 6px 12px;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 991px) {
  .section-padding { padding: 70px 0; }
  .navbar-collapse  { background: var(--k3j-blue); padding: 16px; margin-top: 12px; border-radius: var(--radius-sm); }
  .k3j-navbar .nav-link { padding: 10px 12px !important; }
  .contact-form-card, .contact-info-card { padding: 28px 22px; }
}
@media (max-width: 767px) {
  .section-padding     { padding: 55px 0; }
  .hero-title          { font-size: 2.4rem; }
  .hero-ctas           { flex-direction: column; align-items: center; }
  .about-stats         { margin-top: 20px; }
  .stat-number         { font-size: 1.5rem; }
  .whatsapp-float      { bottom: 20px; right: 20px; width: 54px; height: 54px; font-size: 1.6rem; }
  .footer-bottom       { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .hero-title          { font-size: 2rem; }
  .portfolio-card      { height: 200px; }
}