:root{
    --navy-950:#0F1B2D;
    --navy-800:#1C2E4A;
    --navy-700:#26385A;
    --amber-500:#F2A93B;
    --amber-600:#D68A1F;
    --grey-50:#EEF1F5;
    --white:#FFFFFF;
    --text-dark:#14202E;
    --text-muted:#5B6675;
    --radius-sm:2px;
  }

  *{box-sizing:border-box;}

  body{
    font-family:'Work Sans', sans-serif;
    color:var(--text-dark);
    background:var(--white);
    -webkit-font-smoothing:antialiased;
  }

  h1,h2,h3,h4,.font-display{
    font-family:'Oswald', sans-serif;
    letter-spacing:0.2px;
  }

  a{ text-decoration:none; }

  .container-narrow{ max-width:1140px; margin:0 auto; padding:0 1.25rem; }

  /* ---------- HEADER ---------- */
  header.site-header{
    background:var(--navy-950);
    position:sticky;
    top:0;
    z-index:1000;
    border-bottom:3px solid var(--amber-500);
  }
  .navbar-brand-custom{
    font-family:'Oswald', sans-serif;
    font-weight:700;
    font-size:1.35rem;
    color:var(--white) !important;
    display:flex;
    align-items:center;
    gap:.5rem;
  }
  .navbar-brand-custom .bolt{ color:var(--amber-500); }
  .site-header .nav-link{
    color:#C9D2DE !important;
    font-weight:500;
    font-size:0.95rem;
    padding:0.5rem 1rem !important;
    transition:color .15s ease;
  }
  .site-header .nav-link:hover,
  .site-header .nav-link.active{ color:var(--white) !important; }
  .btn-devis-header{
    background:var(--amber-500);
    color:var(--navy-950);
    font-weight:600;
    border-radius:var(--radius-sm);
    padding:.5rem 1.25rem;
    border:none;
    transition:background .15s ease;
  }
  .btn-devis-header:hover{ background:var(--amber-600); color:var(--navy-950); }

  /* ---------- HERO ---------- */
  .hero{
    background:var(--navy-950);
    position:relative;
    overflow:hidden;
    padding:5rem 0 6rem;
  }
  .hero::before{
    content:"";
    position:absolute;
    right:-10%;
    top:-20%;
    width:60%;
    height:140%;
    background:var(--navy-800);
    transform:skewX(-8deg);
    z-index:0;
  }
  .hero .row{ position:relative; z-index:1; }
  .hero-eyebrow{
    color:var(--amber-500);
    font-weight:600;
    font-size:0.95rem;
    margin-bottom:.75rem;
  }
  .hero h1{
    color:var(--white);
    font-size:2.75rem;
    font-weight:700;
    line-height:1.15;
    margin-bottom:1.25rem;
  }
  .hero p.lead-custom{
    color:#B9C3D1;
    font-size:1.1rem;
    max-width:520px;
    margin-bottom:2rem;
  }
  .btn-amber{
    background:var(--amber-500);
    color:var(--navy-950);
    font-weight:600;
    padding:.75rem 1.75rem;
    border-radius:var(--radius-sm);
    border:none;
    transition:background .15s ease, transform .15s ease;
  }
  .btn-amber:hover{ background:var(--amber-600); color:var(--navy-950); transform:translateY(-1px); }
  .btn-outline-light-custom{
    border:1.5px solid #4A5A72;
    color:var(--white);
    font-weight:500;
    padding:.75rem 1.5rem;
    border-radius:var(--radius-sm);
    transition:border-color .15s ease, background .15s ease;
  }
  .btn-outline-light-custom:hover{ border-color:var(--amber-500); background:rgba(242,169,59,0.08); color:var(--white); }

  .hero-photo-wrap{ position:relative; }
  .hero-photo-wrap img{
    width:100%;
    border-radius:var(--radius-sm);
    box-shadow:0 25px 50px -12px rgba(0,0,0,0.45);
  }
  .hero-stat-card{
    position:absolute;
    bottom:-1.5rem;
    left:-1.5rem;
    background:var(--white);
    padding:1.1rem 1.5rem;
    border-radius:var(--radius-sm);
    box-shadow:0 15px 30px -10px rgba(0,0,0,0.3);
    border-left:4px solid var(--amber-500);
  }
  .hero-stat-card .num{
    font-family:'Oswald', sans-serif;
    font-size:1.9rem;
    font-weight:700;
    color:var(--navy-950);
    line-height:1;
  }
  .hero-stat-card .label{
    font-size:0.85rem;
    color:var(--text-muted);
  }

  /* ---------- SECTION HEADINGS ---------- */
  .section{ padding:5.5rem 0; }
  .section-alt{ background:var(--grey-50); }
  .section-head{ margin-bottom:3rem; max-width:640px; }
  .section-head h2{
    font-size:2.1rem;
    font-weight:700;
    color:var(--navy-950);
    margin-bottom:.75rem;
  }
  .section-head p{ color:var(--text-muted); font-size:1.05rem; }
  .section-head .rule{
    width:56px;
    height:3px;
    background:var(--amber-500);
    margin-bottom:1.25rem;
  }

  /* ---------- SERVICES ---------- */
  .service-card{
    background:var(--white);
    border:1px solid #E3E7ED;
    border-left:3px solid var(--amber-500);
    padding:2rem 1.75rem;
    height:100%;
    transition:transform .15s ease, box-shadow .15s ease;
  }
  .service-card:hover{
    transform:translateY(-3px);
    box-shadow:0 12px 24px -10px rgba(15,27,45,0.18);
  }
  .service-card .icon{
    width:52px; height:52px;
    display:flex; align-items:center; justify-content:center;
    background:var(--navy-950);
    color:var(--amber-500);
    font-size:1.4rem;
    border-radius:var(--radius-sm);
    margin-bottom:1.25rem;
  }
  .service-card h3{
    font-size:1.2rem;
    font-weight:600;
    margin-bottom:.6rem;
    color:var(--navy-950);
  }
  .service-card p{ color:var(--text-muted); font-size:0.95rem; margin-bottom:0; }

  /* ---------- REALISATIONS ---------- */
  .realisations{ background:var(--navy-950); }
  .realisations .section-head h2{ color:var(--white); }
  .realisations .section-head p{ color:#9FACC0; }
  .real-tile{
    position:relative;
    overflow:hidden;
    border-radius:var(--radius-sm);
  }
  .real-tile img{
    width:100%;
    height:230px;
    object-fit:cover;
    display:block;
    transition:transform .35s ease;
  }
  .real-tile:hover img{ transform:scale(1.06); }
  .real-caption{
    position:absolute;
    inset:auto 0 0 0;
    background:linear-gradient(0deg, rgba(15,27,45,0.92) 10%, transparent 100%);
    color:var(--white);
    padding:1.25rem 1rem .85rem;
    font-size:0.9rem;
    font-weight:500;
  }
  .real-caption span{
    display:block;
    color:var(--amber-500);
    font-size:0.78rem;
    font-weight:600;
    margin-bottom:.15rem;
  }

  /* ---------- A PROPOS ---------- */
  .about-photo{
    border-radius:var(--radius-sm);
    width:100%;
    box-shadow:0 20px 40px -15px rgba(15,27,45,0.3);
  }
  .credential-list li{
    display:flex;
    align-items:flex-start;
    gap:.65rem;
    margin-bottom:.85rem;
    color:var(--text-dark);
    font-weight:500;
  }
  .credential-list i{ color:var(--amber-600); font-size:1.05rem; margin-top:.15rem; }
  .about-name{
    font-family:'Oswald', sans-serif;
    font-weight:700;
    font-size:1.55rem;
    color:var(--navy-950);
    margin-bottom:.15rem;
  }
  .about-title{
    color:var(--amber-600);
    font-weight:600;
    font-size:0.95rem;
    margin-bottom:1.25rem;
  }
  .about-bio{ color:var(--text-muted); margin-bottom:1.75rem; }

  .quote-box{
    background:var(--white);
    border-left:4px solid var(--amber-500);
    padding:1.5rem 1.75rem;
    box-shadow:0 10px 25px -12px rgba(15,27,45,0.15);
  }
  .quote-box p{
    font-style:italic;
    font-size:1.05rem;
    color:var(--text-dark);
    margin-bottom:.5rem;
  }
  .quote-box .who{ color:var(--text-muted); font-size:0.88rem; }

  /* ---------- TEMOIGNAGES ---------- */
  .testi-card{
    background:var(--white);
    border:1px solid #E3E7ED;
    padding:1.85rem;
    height:100%;
  }
  .testi-card .stars{ color:var(--amber-500); margin-bottom:.9rem; font-size:0.9rem; }
  .testi-card p.txt{ color:var(--text-dark); margin-bottom:1.1rem; }
  .testi-card .client{ font-weight:600; color:var(--navy-950); font-size:0.92rem; }
  .testi-card .client small{ display:block; color:var(--text-muted); font-weight:400; }

  /* ---------- CONTACT ---------- */
  .contact-info-item{ display:flex; gap:.85rem; align-items:flex-start; margin-bottom:1.4rem; }
  .contact-info-item .icon-sm{
    width:42px; height:42px;
    background:var(--navy-950);
    color:var(--amber-500);
    display:flex; align-items:center; justify-content:center;
    border-radius:var(--radius-sm);
    flex-shrink:0;
    font-size:1.05rem;
  }
  .contact-info-item .label-sm{ font-size:0.82rem; color:var(--text-muted); }
  .contact-info-item .value-sm{ font-weight:600; color:var(--navy-950); }

  .social-row{ display:flex; gap:.65rem; margin-top:1.5rem; }
  .social-row a{
    width:42px; height:42px;
    display:flex; align-items:center; justify-content:center;
    background:var(--navy-950);
    color:var(--white);
    border-radius:50%;
    transition:background .15s ease, transform .15s ease;
    font-size:1.05rem;
  }
  .social-row a:hover{ background:var(--amber-500); color:var(--navy-950); transform:translateY(-2px); }

  .form-control-custom{
    border:1px solid #D8DDE5;
    border-radius:var(--radius-sm);
    padding:.75rem 1rem;
    font-size:0.95rem;
  }
  .form-control-custom:focus{
    border-color:var(--amber-500);
    box-shadow:0 0 0 3px rgba(242,169,59,0.2);
  }
  label.form-label-custom{
    font-weight:600;
    font-size:0.88rem;
    color:var(--navy-950);
    margin-bottom:.35rem;
  }

  /* ---------- FOOTER ---------- */
  footer.site-footer{
    background:var(--navy-950);
    color:#8B96A8;
    padding:2.25rem 0;
    border-top:1px solid #1F3049;
    font-size:0.9rem;
  }
  footer.site-footer a{ color:#C9D2DE; }
  footer.site-footer a:hover{ color:var(--amber-500); }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width: 991.98px){
    .hero{ padding:3.5rem 0 4.5rem; text-align:center; }
    .hero p.lead-custom{ margin-left:auto; margin-right:auto; }
    .hero::before{ display:none; }
    .hero-stat-card{ position:static; margin-top:1.5rem; display:inline-block; }
    .hero-photo-wrap{ margin-top:2.5rem; }
    .section{ padding:3.5rem 0; }
  }
  @media (max-width: 575.98px){
    .hero h1{ font-size:2.1rem; }
  }

  /* focus visibility for accessibility */
  a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
    outline:2px solid var(--amber-500);
    outline-offset:2px;
  }

  @media (prefers-reduced-motion: reduce){
    *{ transition:none !important; }
  }