/* ===== VARIABLES ===== */
:root{--primary:#B5121B;--primary-dark:#8C0F16;--secondary:#111111;--dark:#1E1E1E;--silver:#C6C6C6;--light:#F4F4F4;--white:#FFFFFF;--glass:rgba(255,255,255,.03);--glass-border:rgba(255,255,255,.1);--shadow:0 4px 20px rgba(0,0,0,.08);--shadow-lg:0 12px 40px rgba(0,0,0,.12);--radius:12px;--radius-sm:8px;--transition:.4s cubic-bezier(.25,.8,.25,1)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:100px}
html,body{font-family:'Inter',sans-serif;color:var(--secondary);background:var(--white);overflow-x:hidden;line-height:1.7}
h1,h2,h3,h4,h5,h6{font-family:'Poppins',sans-serif;font-weight:700;line-height:1.2;color:var(--secondary)}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto}
section{padding:100px 0}
.section-header{text-align:center;margin-bottom:60px}
.section-header h2{font-size:2.8rem;margin-bottom:16px;position:relative;display:inline-block}
.section-header h2::after{content:'';position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:60px;height:4px;background:var(--primary);border-radius:2px}
.section-header p{font-size:1.1rem;color:#666;max-width:600px;margin:20px auto 0}

/* ===== BUTTONS ===== */
.btn-primary-custom{background:var(--primary);color:#fff;border:none;padding:16px 40px;border-radius:6px;font-weight:600;font-size:1.05rem;transition:var(--transition);display:inline-flex;align-items:center;gap:12px;white-space:nowrap}
.btn-primary-custom:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 25px rgba(181,18,27,.3);color:#fff}
.btn-outline-custom{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.8);padding:14px 38px;border-radius:6px;font-weight:600;font-size:1.05rem;transition:var(--transition);display:inline-flex;align-items:center;gap:12px;white-space:nowrap}
.btn-outline-custom:hover{background:#fff;color:var(--primary);transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.btn-accent{background:var(--secondary);color:#fff;border:none;padding:16px 40px;border-radius:6px;font-weight:600;transition:var(--transition);display:inline-flex;align-items:center;gap:12px;white-space:nowrap}
.btn-accent:hover{background:var(--dark);transform:translateY(-2px);box-shadow:0 8px 25px rgba(17,17,17,.3);color:#fff}

/* ===== LOADER ===== */
#loader{position:fixed;inset:0;background:var(--white);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:99999;transition:opacity .5s}
#loader img{width:150px;margin-bottom:30px;animation:pulse 1.5s infinite}
#loader .spinner{width:40px;height:40px;border:3px solid rgba(181,18,27,.1);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}
#loader.hidden{opacity:0;pointer-events:none}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}

/* ===== SCROLL PROGRESS ===== */
#scroll-progress{position:fixed;top:0;left:0;height:4px;background:var(--primary);z-index:100000;transition:width .1s}

/* ===== NAVBAR ===== */
.navbar{background:#fff;padding:15px 0;transition:var(--transition);z-index:9999;min-height:90px;box-shadow:0 2px 10px rgba(0,0,0,.03)}
.navbar.scrolled{background:rgba(255,255,255,.98)!important;backdrop-filter:blur(15px);padding:10px 0;box-shadow:0 4px 20px rgba(0,0,0,.08)}
.navbar-brand{flex-shrink:0;display:flex;align-items:center}
.navbar-brand img{height:65px;width:auto;flex-shrink:0;min-width:90px;transition:var(--transition);filter:drop-shadow(0px 2px 4px rgba(0,0,0,0.4))}
.navbar.scrolled .navbar-brand img{height:55px}
.navbar-nav .nav-link{color:#222222;font-weight:600;font-size:15px;padding:10px 12px!important;transition:var(--transition);position:relative}
.navbar-nav .nav-link:hover,.navbar-nav .nav-link.active{color:var(--primary)}
.navbar-nav .nav-link::after{content:'';position:absolute;bottom:0;left:12px;right:12px;height:2px;background:var(--primary);transform:scaleX(0);transition:var(--transition)}
.navbar-nav .nav-link:hover::after,.navbar-nav .nav-link.active::after{transform:scaleX(1)}
.navbar .btn-cta{background:var(--primary);color:#fff;padding:10px 22px;border-radius:6px;font-weight:600;font-size:15px;border:none;transition:var(--transition);white-space:nowrap}
.navbar .btn-cta:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 15px rgba(181,18,27,.3);color:#fff}
.navbar-toggler{border:none;padding:0;width:30px;height:24px;position:relative}
.navbar-toggler:focus{box-shadow:none}
.navbar-toggler span{display:block;width:100%;height:2px;background:var(--secondary);position:absolute;left:0;transition:var(--transition)}
.navbar-toggler span:nth-child(1){top:0}
.navbar-toggler span:nth-child(2){top:11px}
.navbar-toggler span:nth-child(3){bottom:0}
.navbar-toggler[aria-expanded="true"] span:nth-child(1){top:11px;transform:rotate(45deg)}
.navbar-toggler[aria-expanded="true"] span:nth-child(2){opacity:0}
.navbar-toggler[aria-expanded="true"] span:nth-child(3){bottom:11px;transform:rotate(-45deg)}

/* ===== HERO ===== */
.hero{min-height:100vh;background:linear-gradient(135deg,#1E1E1E 0%,#111111 60%,#4a060b 100%);display:flex;align-items:center;position:relative;overflow:hidden;padding-top:120px}
.hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='40' height='40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 40 L40 0 H20 L0 20' stroke='rgba(255,255,255,0.015)' stroke-width='1' fill='none'/%3E%3C/svg%3E");opacity:1}
.hero::after{content:'';position:absolute;top:0;left:0;right:0;height:40vh;background:radial-gradient(ellipse at top left,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none}
.hero-content{position:relative;z-index:2;padding-right:40px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 24px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:4px;color:#fff;font-weight:600;font-size:14px;margin-bottom:30px;letter-spacing:1px}
.hero-badge i{color:var(--primary)}
.hero h1{font-size:3.8rem;color:#fff;margin-bottom:24px;font-weight:800;line-height:1.15;letter-spacing:-1px}
.hero h1 span{color:var(--primary)}
.hero p{color:rgba(255,255,255,.8);font-size:1.2rem;line-height:1.7;margin-bottom:40px;max-width:90%;font-weight:300}
.hero-btns{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:40px}
.hero-visual{position:relative;z-index:2;height:100%;display:flex;align-items:center}
.hero-img-placeholder{width:100%;height:600px;background:url('../images/hero_realistic.png') center/cover no-repeat;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 20px 60px rgba(0,0,0,.4);position:relative;overflow:hidden}
.hero-img-placeholder::after{content:'';position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);border-radius:8px}
.hero-img-placeholder i{display:none}

/* Flotating Icons - refined */
.hero-float{position:absolute;width:50px;height:50px;background:rgba(255,255,255,.05);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.1);border-radius:6px;display:flex;align-items:center;justify-content:center;animation:floatSlow 8s ease-in-out infinite;box-shadow:0 8px 32px rgba(0,0,0,.2)}
.hero-float i{font-size:1.2rem;color:#fff}
.hero-float.f1{top:15%;right:5%;animation-delay:0s}
.hero-float.f2{bottom:25%;right:-10px;animation-delay:2s}
.hero-float.f3{bottom:15%;left:-20px;animation-delay:4s}
@keyframes floatSlow{0%,100%{transform:translateY(0)}50%{transform:translateY(-15px)}}

/* Normes */
.hero-norms{display:flex;gap:16px;flex-wrap:wrap;align-items:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}
.hero-norms span{color:rgba(255,255,255,.6);font-size:14px;font-weight:500;display:flex;align-items:center;gap:6px}
.hero-norms span i{color:var(--primary)}

/* Stats in Hero */
.hero-stats{display:flex;gap:40px;margin-top:40px;flex-wrap:wrap}
.hero-stat-item{display:flex;flex-direction:column}
.hero-stat-item .number{font-family:'Poppins',sans-serif;font-size:2.5rem;font-weight:700;color:#fff;line-height:1}
.hero-stat-item .label{color:rgba(255,255,255,.6);font-size:14px;margin-top:4px;font-weight:500}

/* ===== GLASS CARD ===== */
.glass-card{background:var(--white);border:1px solid #eaeaea;border-radius:var(--radius);padding:40px;transition:var(--transition);box-shadow:var(--shadow)}
.glass-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}

/* ===== SERVICE CARDS ===== */
.service-card{background:#fff;border-radius:var(--radius);padding:40px;text-align:left;box-shadow:var(--shadow);transition:var(--transition);border:1px solid #f0f0f0;position:relative;overflow:hidden;height:100%}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary);transform:scaleX(0);transition:var(--transition);transform-origin:left}
.service-card:hover::before{transform:scaleX(1)}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.service-card .icon-wrap{width:64px;height:64px;background:rgba(181,18,27,.05);border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:24px;border:1px solid rgba(181,18,27,.1)}
.service-card .icon-wrap i{font-size:1.6rem;color:var(--primary)}
.service-card h4{font-size:1.3rem;margin-bottom:16px;font-weight:700}
.service-card p{color:#555;font-size:1rem;line-height:1.6;margin:0}

/* ===== STATS SECTION ===== */
.stats-section{background:var(--secondary);padding:80px 0}
.stat-item{text-align:center;padding:30px}
.stat-item .number{font-family:'Poppins',sans-serif;font-size:3.5rem;font-weight:800;color:#fff;line-height:1;margin-bottom:8px}
.stat-item .label{color:rgba(255,255,255,.6);font-size:1.1rem;font-weight:500}

/* ===== ABOUT PREVIEW ===== */
.about-preview{background:var(--light)}
.about-preview .about-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);height:500px;background:url('../images/about_company.png') center/cover no-repeat;display:flex;align-items:center;justify-content:center}
.about-preview .about-img i{display:none}
.check-list{list-style:none;padding:0}
.check-list li{padding:10px 0;display:flex;align-items:center;gap:16px;font-size:1.1rem;color:#444}
.check-list li i{color:var(--primary);font-size:1.2rem}

/* ===== PROJECT CARDS ===== */
.project-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);background:#fff;height:100%;border:1px solid #f0f0f0}
.project-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.project-card .project-img{height:250px;background:url('../images/project_industrial.png') center/cover no-repeat;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.project-card .project-img i{display:none}
.project-card .project-img .overlay{position:absolute;inset:0;background:rgba(17,17,17,.85);display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition);backdrop-filter:blur(4px)}
.project-card:hover .project-img .overlay{opacity:1}
.project-card .project-body{padding:30px}
.project-card .project-body h5{margin-bottom:12px;font-size:1.2rem;line-height:1.4}
.project-card .project-body p{color:#666;font-size:1rem;margin-bottom:20px}

/* ===== CLIENTS ===== */
.clients-section{background:var(--light)}
.client-logo{height:auto;min-height:130px;background:#fff;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px 16px 14px;gap:10px;box-shadow:0 2px 10px rgba(0,0,0,.03);transition:var(--transition);border:1px solid #eaeaea}
.client-logo:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(181,18,27,.2)}
.client-logo img{max-height:55px;max-width:100%;object-fit:contain;filter:grayscale(0.4);transition:var(--transition)}
.client-logo:hover img{filter:grayscale(0);transform:scale(1.05)}
.client-logo span{font-weight:700;color:var(--secondary);font-size:.95rem;text-align:center;letter-spacing:.5px}

/* ===== TESTIMONIALS ===== */
.testimonial-card{background:#fff;border-radius:var(--radius);padding:50px;box-shadow:var(--shadow);text-align:center;border:1px solid #f0f0f0}
.testimonial-card .stars{color:#f59e0b;margin-bottom:20px;font-size:1.2rem}
.testimonial-card p{font-size:1.15rem;color:#444;font-style:italic;margin-bottom:24px;line-height:1.8}
.testimonial-card .author{font-weight:700;color:var(--secondary);font-size:1.1rem}
.testimonial-card .role{color:#777;font-size:.95rem;margin-top:4px}

/* ===== CTA SECTION ===== */
.cta-section{background:var(--secondary);padding:100px 0;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(255,255,255,.03) 0%,transparent 70%);border-radius:50%}
.cta-section h2{color:#fff;font-size:2.8rem;margin-bottom:20px}
.cta-section p{color:rgba(255,255,255,.7);font-size:1.15rem}
.cta-section .btn-outline-custom{border-color:rgba(255,255,255,.3)}

/* ===== CONTACT ===== */
.contact-form{background:#fff;border-radius:var(--radius);padding:50px;box-shadow:var(--shadow-lg);border:1px solid #eee}
.contact-form .form-control,.contact-form .form-select{border:1px solid #ddd;border-radius:6px;padding:16px 20px;font-size:1rem;transition:var(--transition);background:#fafafa}
.contact-form .form-control:focus,.contact-form .form-select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(181,18,27,.1);background:#fff;outline:none}
.contact-info-card{background:var(--secondary);border-radius:var(--radius);padding:50px;color:#fff;height:100%}
.contact-info-card h4{margin-bottom:40px;font-size:1.8rem}
.contact-info-item{display:flex;gap:20px;margin-bottom:30px}
.contact-info-item i{width:48px;height:48px;background:rgba(255,255,255,.05);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;font-size:1.2rem;border:1px solid rgba(255,255,255,.1)}
.contact-info-item .info-text h6{margin-bottom:6px;font-size:1rem;color:rgba(255,255,255,.6);font-weight:600}
.contact-info-item .info-text p{margin:0;font-size:1.05rem;line-height:1.5}
.map-container{border-radius:0;overflow:hidden;height:450px;background:#eee}

/* ===== NEWSLETTER ===== */
.newsletter-section{background:#1a1a1a;padding:80px 0;border-top:1px solid rgba(255,255,255,.05)}
.newsletter-form{display:flex;gap:12px;max-width:500px;margin:0 auto}
.newsletter-form input{flex:1;padding:16px 24px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03);border-radius:6px;color:#fff;font-size:1rem}
.newsletter-form input::placeholder{color:rgba(255,255,255,.4)}
.newsletter-form input:focus{outline:none;border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.05)}
.newsletter-form button{border-radius:6px}

/* ===== FOOTER ===== */
.footer{background:#111111;color:rgba(255,255,255,.6);padding:100px 0 0}
.footer h5{color:#fff;margin-bottom:30px;font-size:1.2rem;font-weight:700}
.footer p{font-size:1rem;line-height:1.7}
.footer a{color:rgba(255,255,255,.6);transition:var(--transition);text-decoration:none}
.footer a:hover{color:#fff}
.footer-links{list-style:none;padding:0}
.footer-links li{margin-bottom:14px}
.footer-links li a{display:flex;align-items:center;gap:10px}
.footer-links li a i{font-size:.8rem;color:rgba(255,255,255,.3);transition:var(--transition)}
.footer-links li a:hover i{color:var(--primary);transform:translateX(4px)}
.footer-social{display:flex;gap:12px;margin-top:24px}
.footer-social a{width:44px;height:44px;background:rgba(255,255,255,.05);border-radius:6px;display:flex;align-items:center;justify-content:center;transition:var(--transition);font-size:1.1rem;border:1px solid rgba(255,255,255,.05)}
.footer-social a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding:30px 0;margin-top:80px;text-align:center;font-size:.95rem}
.footer-logo{height:55px;margin-bottom:24px;filter:brightness(0) invert(1);opacity:.9}

/* ===== BACK TO TOP ===== */
#backToTop{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:var(--primary);color:#fff;border:none;border-radius:6px;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transition:var(--transition);z-index:9998;box-shadow:0 4px 15px rgba(0,0,0,.2)}
#backToTop.visible{opacity:1;visibility:visible}
#backToTop:hover{background:var(--primary-dark);transform:translateY(-4px)}

/* ===== WHATSAPP ===== */
#whatsapp-btn{position:fixed;bottom:30px;left:30px;width:56px;height:56px;background:#25D366;color:#fff;border:none;border-radius:50%;font-size:1.6rem;cursor:pointer;z-index:9998;box-shadow:0 4px 20px rgba(37,211,102,.3);transition:var(--transition);display:flex;align-items:center;justify-content:center}
#whatsapp-btn:hover{transform:scale(1.1)}

/* ===== PAGE HEADERS ===== */
.page-header{background:linear-gradient(135deg,#1E1E1E 0%,#111111 100%);padding:180px 0 100px;position:relative;overflow:hidden}
.page-header::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='40' height='40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 40 L40 0 H20 L0 20' stroke='rgba(255,255,255,0.015)' stroke-width='1' fill='none'/%3E%3C/svg%3E")}
.page-header h1{color:#fff;font-size:3.5rem;margin-bottom:16px;font-weight:800;letter-spacing:-1px}
.page-header p{color:rgba(255,255,255,.7);font-size:1.2rem;font-weight:300}
.page-header .breadcrumb{background:none;padding:0;margin-top:24px}
.page-header .breadcrumb-item,.page-header .breadcrumb-item a{color:rgba(255,255,255,.5);font-size:.95rem;font-weight:500}
.page-header .breadcrumb-item.active{color:var(--primary)}
.page-header .breadcrumb-item+.breadcrumb-item::before{color:rgba(255,255,255,.3)}

/* ===== TIMELINE ===== */
.timeline{position:relative;padding:20px 0}
.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:rgba(0,0,0,.05);transform:translateX(-50%)}
.timeline-item{position:relative;margin-bottom:60px;width:50%;padding-right:50px}
.timeline-item:nth-child(even){margin-left:50%;padding-right:0;padding-left:50px}
.timeline-item .timeline-dot{position:absolute;width:24px;height:24px;background:var(--primary);border-radius:50%;top:20px;border:4px solid #fff;box-shadow:0 0 0 4px rgba(181,18,27,.1)}
.timeline-item:nth-child(odd) .timeline-dot{right:-12px}
.timeline-item:nth-child(even) .timeline-dot{left:-12px}
.timeline-content{background:#fff;padding:40px;border-radius:var(--radius);box-shadow:var(--shadow);transition:var(--transition);border:1px solid #f0f0f0}
.timeline-content:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}

/* ===== EQUIPMENT CARDS ===== */
.equip-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);height:100%;border:1px solid #f0f0f0}
.equip-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.equip-card .equip-img{height:220px;background:var(--light);display:flex;align-items:center;justify-content:center}
.equip-card .equip-img i{font-size:4rem;color:#444}
.equip-card .equip-body{padding:30px}
.equip-card .equip-body h5{margin-bottom:12px;font-size:1.15rem;font-weight:700}
.equip-card .equip-body p{color:#666;font-size:1rem;margin-bottom:20px;line-height:1.6}
.equip-card .equip-body .badge-custom{background:rgba(17,17,17,.05);color:var(--secondary);padding:6px 14px;border-radius:4px;font-size:.85rem;font-weight:600}

/* ===== REFERENCE LOGOS ===== */
.ref-logo{background:#fff;border-radius:8px;padding:20px 16px 14px;text-align:center;box-shadow:var(--shadow);transition:var(--transition);border:1px solid #f0f0f0;min-height:130px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.ref-logo:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(181,18,27,.2)}
.ref-logo img{max-height:55px;max-width:100%;object-fit:contain;filter:grayscale(0.4);transition:var(--transition)}
.ref-logo:hover img{filter:grayscale(0);transform:scale(1.05)}
.ref-logo span{font-weight:700;font-size:.95rem;color:var(--secondary);letter-spacing:.5px}
.ref-label{margin:0;font-size:.75rem;color:#888;font-weight:500;letter-spacing:.5px;text-transform:uppercase}

/* ===== VALUES ===== */
.value-card{text-align:center;padding:40px 30px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid #f0f0f0;height:100%}
.value-card .icon-circle{width:80px;height:80px;background:rgba(181,18,27,.05);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;border:1px solid rgba(181,18,27,.1)}
.value-card .icon-circle i{font-size:2rem;color:var(--primary)}
.value-card h5{margin-bottom:16px;font-size:1.3rem;font-weight:700}
.value-card p{color:#555;font-size:1rem;line-height:1.6}