:root{--bg-primary:#ffffff;--bg-secondary:#f5f7fa;--bg-tertiary:#edf1f7;--bg-card:#ffffff;--bg-dark:#0c1220;--bg-dark-2:#111827;--text-primary:#0c1220;--text-secondary:#4a5568;--text-muted:#8896a6;--text-on-dark:#e8ecf2;--text-on-dark-muted:#8896a6;--accent:#0074d4;--accent-light:#2d9cff;--accent-dark:#004fa3;--accent-gradient:linear-gradient(135deg,#00A0E3 0%,#1C69B4 50%,#393285 100%);--border:rgba(12,18,32,0.08);--border-strong:rgba(0,116,212,0.2);--border-dark:rgba(255,255,255,0.08);--border-dark-strong:rgba(255,255,255,0.15);--shadow-sm:0 1px 3px rgba(0,0,0,0.06);--shadow-md:0 8px 30px rgba(0,0,0,0.08);--shadow-lg:0 20px 60px rgba(0,0,0,0.1);--font-display:'Playfair Display',Georgia,serif;--font-body:'DM Sans',sans-serif;--ease-out:cubic-bezier(0.16,1,0.3,1)}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul{list-style:none}
.container{max-width:1280px;margin:0 auto;padding:0 clamp(1.5rem,4vw,4rem)}
.logo-svg{height:36px;width:auto}

/* ── NAV ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:1.25rem 0;transition:all .5s var(--ease-out)}
.nav.scrolled,.nav.nav-light{background:rgba(255,255,255,0.95);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:.75rem 0;box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between}

/* Desktop nav links */
.nav-links{display:flex;gap:2.5rem;align-items:center}
.nav-links a{font-size:.85rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,0.75);transition:color .5s;position:relative}
.nav.scrolled .nav-links a,.nav.nav-light .nav-links a{color:var(--text-secondary)}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent-gradient);transition:width .4s var(--ease-out)}
.nav-links a:hover{color:#fff}
.nav.scrolled .nav-links a:hover,.nav.nav-light .nav-links a:hover{color:var(--accent)}
.nav-links a:hover::after{width:100%}
.nav-cta{padding:.6rem 1.5rem!important;background:var(--accent)!important;color:#fff!important;font-size:.8rem!important;letter-spacing:.08em!important;text-transform:uppercase!important;border-radius:4px;transition:all .3s var(--ease-out)!important}
.nav-cta:hover{background:var(--accent-dark)!important;transform:translateY(-1px);box-shadow:0 4px 15px rgba(0,116,212,0.3);color:#fff!important}
.nav-cta::after{display:none!important}

/* Logo: white on hero, original on scroll/light pages */
.nav .logo-grad-path{fill:#ffffff;transition:fill .5s var(--ease-out)}
.nav .logo-text-path{fill:rgba(255,255,255,0.85);transition:fill .5s var(--ease-out)}
.nav.scrolled .logo-grad-path,.nav.nav-light .logo-grad-path{fill:url(#lg)}
.nav.scrolled .logo-text-path,.nav.nav-light .logo-text-path{fill:#585C5F}

.nav-burger{display:none;background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer;transition:color .5s;padding:0.5rem}
.nav.scrolled .nav-burger,.nav.nav-light .nav-burger{color:var(--text-primary)}

/* ── OFFCANVAS ── */
.offcanvas-overlay{position:fixed;inset:0;background:rgba(12,18,32,0.6);z-index:1100;opacity:0;pointer-events:none;transition:opacity .4s var(--ease-out);backdrop-filter:blur(4px)}
.offcanvas-overlay.active{opacity:1;pointer-events:auto}

.offcanvas{position:fixed;top:0;right:0;width:380px;max-width:85vw;height:100vh;background:var(--bg-dark);z-index:1200;transform:translateX(100%);transition:transform .5s var(--ease-out);display:flex;flex-direction:column;overflow-y:auto}
.offcanvas.active{transform:translateX(0)}

.offcanvas-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem 2rem;border-bottom:1px solid var(--border-dark)}
.offcanvas-close{background:none;border:none;color:var(--text-on-dark-muted);font-size:1.5rem;cursor:pointer;transition:color .3s;padding:0.25rem}
.offcanvas-close:hover{color:#fff}

.offcanvas-body{flex:1;padding:2rem}
.offcanvas-nav{display:flex;flex-direction:column;gap:0}
.offcanvas-nav a{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 0;font-size:1.1rem;font-weight:500;color:var(--text-on-dark);border-bottom:1px solid var(--border-dark);transition:color .3s,padding-left .3s}
.offcanvas-nav a:hover{color:var(--accent-light);padding-left:.5rem}
.offcanvas-nav a i{font-size:.8rem;color:var(--text-on-dark-muted);transition:color .3s}
.offcanvas-nav a:hover i{color:var(--accent-light)}

.offcanvas-footer{padding:1.5rem 2rem;border-top:1px solid var(--border-dark)}
.offcanvas-contact{display:flex;flex-direction:column;gap:.75rem}
.offcanvas-contact a{display:flex;align-items:center;gap:.75rem;font-size:.9rem;color:var(--text-on-dark-muted);transition:color .3s}
.offcanvas-contact a:hover{color:var(--accent-light)}
.offcanvas-contact a i{width:24px;color:var(--accent-light)}
.offcanvas-social{display:flex;gap:.75rem;margin-top:1rem}
.offcanvas-social a{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-dark);border-radius:8px;color:var(--text-on-dark-muted);transition:all .3s}
.offcanvas-social a:hover{color:var(--accent-light);border-color:var(--accent-light)}

/* ── SECTIONS ── */
section{padding:clamp(4rem,8vw,8rem) 0}
.section-label{display:inline-flex;align-items:center;gap:.75rem;font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:1.5rem}
.section-label::before{content:'';width:40px;height:2px;background:var(--accent-gradient)}
.section-title{font-family:var(--font-display);font-size:clamp(2rem,4vw,3.2rem);font-weight:500;line-height:1.2;letter-spacing:-.01em;margin-bottom:1.25rem}
.section-desc{font-size:1.05rem;color:var(--text-secondary);max-width:600px;line-height:1.8}
.services-header{text-align:center;margin-bottom:4rem}
.services-header .section-desc{margin:0 auto}

/* ── PAGE HERO (sub-pages) ── */
.page-hero{padding:10rem 0 5rem;background:var(--bg-dark);color:#fff;position:relative;overflow:hidden}
.page-hero-bg{position:absolute;inset:0;background:url('https://images.unsplash.com/photo-1504917595217-d4dc5ede4bcd?w=1920&q=80') center/cover no-repeat;opacity:.15}
.page-hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(12,18,32,0.7),rgba(12,18,32,0.95))}
.page-hero .container{position:relative;z-index:2}
.page-hero .section-label{color:var(--accent-light)}
.page-hero .section-title{color:#fff;font-size:clamp(2.2rem,5vw,3.8rem)}
.page-hero .section-desc{color:var(--text-on-dark-muted)}
.breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--text-on-dark-muted);margin-bottom:1.5rem}
.breadcrumb a{color:var(--accent-light);transition:color .3s}
.breadcrumb a:hover{color:#fff}

/* ── HERO (home) ── */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;background:var(--bg-dark);color:#fff}
.hero-video{position:absolute;inset:0;z-index:0}
.hero-video video{width:100%;height:100%;object-fit:cover;opacity:.25}
.hero-bg{position:absolute;inset:0;z-index:1;background:linear-gradient(to right,rgba(12,18,32,0.92) 0%,rgba(12,18,32,0.7) 45%,rgba(12,18,32,0.4) 100%)}
.hero-grid{position:absolute;inset:0;z-index:2;background-image:linear-gradient(rgba(0,160,227,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,160,227,0.04) 1px,transparent 1px);background-size:80px 80px;mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,black 20%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,black 20%,transparent 70%)}
.hero-content{position:relative;z-index:5;max-width:680px}
.hero-badge{display:inline-flex;align-items:center;gap:.75rem;padding:.5rem 1.25rem;border:1px solid var(--border-dark-strong);border-radius:100px;font-size:.75rem;letter-spacing:.15em;text-transform:uppercase;color:var(--accent-light);margin-bottom:2.5rem;opacity:0;transform:translateY(20px);animation:fadeUp .8s var(--ease-out) .3s forwards}
.hero-badge i{font-size:.6rem}
.hero h1{font-family:var(--font-display);font-size:clamp(2.8rem,6vw,5.5rem);font-weight:500;line-height:1.1;letter-spacing:-.02em;margin-bottom:1.75rem;opacity:0;transform:translateY(30px);animation:fadeUp 1s var(--ease-out) .5s forwards}
.hero h1 em{font-style:italic;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:1.1rem;color:var(--text-on-dark-muted);max-width:550px;line-height:1.8;margin-bottom:3rem;opacity:0;transform:translateY(30px);animation:fadeUp 1s var(--ease-out) .7s forwards}
.hero-actions{display:flex;gap:1.25rem;align-items:center;opacity:0;transform:translateY(30px);animation:fadeUp 1s var(--ease-out) .9s forwards}
.hero-stats{display:flex;gap:3rem;margin-top:5rem;padding-top:3rem;border-top:1px solid var(--border-dark);opacity:0;transform:translateY(30px);animation:fadeUp 1s var(--ease-out) 1.1s forwards}
.hero-stat h3{font-family:var(--font-display);font-size:2.5rem;font-weight:500;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:.5rem}
.hero-stat p{font-size:.8rem;color:var(--text-on-dark-muted);text-transform:uppercase;letter-spacing:.1em}
.hero-line{position:absolute;right:10%;top:15%;width:1px;height:300px;background:linear-gradient(to bottom,transparent,var(--accent-light),transparent);opacity:.12;animation:lineGlow 3s ease-in-out infinite}
.hero-line-h{position:absolute;right:5%;top:50%;width:200px;height:1px;background:linear-gradient(to right,transparent,var(--accent-light),transparent);opacity:.08}

/* ── BUTTONS ── */
.btn-primary{display:inline-flex;align-items:center;gap:.75rem;padding:1rem 2.25rem;background:var(--accent);color:#fff;font-family:var(--font-body);font-size:.85rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;border:none;border-radius:4px;cursor:pointer;transition:all .4s var(--ease-out);position:relative;overflow:hidden}
.btn-primary::before{content:'';position:absolute;inset:0;background:var(--accent-gradient);opacity:0;transition:opacity .4s var(--ease-out)}
.btn-primary:hover::before{opacity:1}
.btn-primary span,.btn-primary i{position:relative;z-index:1}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,116,212,0.35)}
.btn-ghost{display:inline-flex;align-items:center;gap:.5rem;padding:1rem 1.5rem;color:var(--text-on-dark-muted);font-size:.85rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;transition:color .3s}
.btn-ghost:hover{color:var(--accent-light)}
.btn-outline{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border:1px solid var(--accent);color:var(--accent);font-size:.85rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;border-radius:4px;transition:all .3s var(--ease-out)}
.btn-outline:hover{background:var(--accent);color:#fff}

/* ── SERVICES ── */
.services{background:var(--bg-primary)}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
.service-card{background:var(--bg-card);border:1px solid var(--border);padding:2.5rem 2rem;border-radius:8px;position:relative;overflow:hidden;transition:all .5s var(--ease-out);cursor:default}
.service-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:var(--accent-gradient);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease-out)}
.service-card:hover::before{transform:scaleX(1)}
.service-card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.service-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border-radius:12px;color:var(--accent);font-size:1.3rem;margin-bottom:1.75rem;transition:all .4s var(--ease-out)}
.service-card:hover .service-icon{background:var(--accent);color:#fff}
.service-card h3{font-family:var(--font-display);font-size:1.3rem;font-weight:500;margin-bottom:.75rem}
.service-card p{font-size:.9rem;color:var(--text-secondary);line-height:1.7}

/* ── ABOUT ── */
.about{background:var(--bg-secondary)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}
.about-visual{position:relative;height:500px}
.about-box{position:absolute;border-radius:12px}
.about-box-1{top:0;left:0;width:75%;height:70%;background:var(--bg-dark);display:flex;align-items:center;justify-content:center;overflow:hidden}
.about-box-1 img{width:100%;height:100%;object-fit:cover;opacity:.4}
.about-box-1 .about-icon-large{position:absolute;font-size:5rem;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;opacity:.3}
.about-box-2{bottom:0;right:0;width:55%;height:50%;background:var(--accent-gradient);display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 20px 50px rgba(0,116,212,0.3);border-radius:12px}
.about-box-2 h3{font-family:var(--font-display);font-size:4rem;font-weight:600;color:#fff;line-height:1}
.about-box-2 p{font-size:.85rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:rgba(255,255,255,0.75);margin-top:.5rem}
.about-content .section-desc{margin-bottom:2.5rem}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.about-feature{display:flex;gap:1rem;align-items:flex-start}
.about-feature i{color:var(--accent);font-size:1.1rem;margin-top:.2rem;flex-shrink:0}
.about-feature h4{font-size:.95rem;font-weight:600;margin-bottom:.25rem}
.about-feature p{font-size:.8rem;color:var(--text-muted)}

/* ── ENGAGEMENTS ── */
.engagements{background:var(--bg-dark);color:#fff}
.engagements .section-label{color:var(--accent-light)}
.engagements .section-title{color:#fff}
.engagements-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:3.5rem;border:1px solid var(--border-dark);border-radius:12px;overflow:hidden}
.engagement-item{padding:3rem 2rem;text-align:center;border-right:1px solid var(--border-dark);transition:background .4s}
.engagement-item:last-child{border-right:none}
.engagement-item:hover{background:var(--bg-dark-2)}
.engagement-num{font-family:var(--font-display);font-size:3rem;font-weight:300;color:rgba(255,255,255,0.15);line-height:1;margin-bottom:1.5rem}
.engagement-item h3{font-family:var(--font-display);font-size:1.15rem;font-weight:500;margin-bottom:.75rem}
.engagement-item p{font-size:.85rem;color:var(--text-on-dark-muted);line-height:1.6}

/* ── REALISATIONS ── */
.realisations-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.realisation-card{position:relative;border-radius:12px;overflow:hidden;cursor:pointer;transition:all .5s var(--ease-out);height:380px}
.realisation-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.realisation-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out)}
.realisation-card:hover img{transform:scale(1.05)}
.realisation-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(12,18,32,0.95) 0%,rgba(12,18,32,0.2) 50%,transparent 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:2rem;transition:opacity .4s}
.realisation-overlay h3{font-family:var(--font-display);font-size:1.2rem;font-weight:500;color:#fff;margin-bottom:.5rem}
.realisation-overlay p{font-size:.85rem;color:var(--text-on-dark-muted);line-height:1.5}
.realisation-tag{display:inline-block;padding:.25rem .75rem;background:rgba(0,116,212,0.2);color:var(--accent-light);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;border-radius:4px;margin-bottom:.75rem}

/* ── BEFORE/AFTER SLIDER ── */
.ba-container{margin-bottom:3rem}
.ba-slider{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:12px;cursor:col-resize;-webkit-user-select:none;user-select:none;background:var(--bg-dark)}
.ba-after,.ba-before{position:absolute;top:0;left:0;width:100%;height:100%}
.ba-after img,.ba-before img{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none}
.ba-before{width:50%;overflow:hidden;z-index:2}
.ba-handle{position:absolute;top:0;bottom:0;width:4px;background:#fff;left:50%;transform:translateX(-50%);z-index:10;cursor:col-resize;box-shadow:0 0 12px rgba(0,0,0,0.4)}
.ba-handle::before{content:'\2194';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 12px rgba(0,0,0,0.35);font-size:1.2rem;color:var(--accent);line-height:44px;text-align:center}
.ba-label{position:absolute;top:1rem;padding:.4rem .9rem;background:rgba(12,18,32,0.85);color:#fff;font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;border-radius:4px;font-weight:600;z-index:15}
.ba-label-before{left:1rem}
.ba-label-after{right:1rem}

/* ── PROJECT DETAIL ── */
.project-info{display:grid;grid-template-columns:1fr 1fr;gap:4rem;margin-top:3rem}
.project-meta{display:flex;flex-direction:column;gap:1.5rem}
.project-meta-item{display:flex;gap:1rem;align-items:flex-start}
.project-meta-item i{color:var(--accent);font-size:1.1rem;margin-top:.2rem}
.project-meta-item h4{font-size:.9rem;font-weight:600;margin-bottom:.15rem}
.project-meta-item p{font-size:.85rem;color:var(--text-secondary)}
.project-gallery{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.project-gallery img{border-radius:8px;width:100%;height:200px;object-fit:cover}

/* ── TESTIMONIALS ── */
.testimonials{background:var(--bg-secondary)}
.testimonials-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.testimonial-card{background:var(--bg-card);border:1px solid var(--border);padding:2.5rem;border-radius:12px;transition:all .4s var(--ease-out)}
.testimonial-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md)}
.testimonial-quote{font-size:2.5rem;color:var(--accent);opacity:.3;font-family:var(--font-display);line-height:1;margin-bottom:1rem}
.testimonial-card>p{font-size:.95rem;color:var(--text-secondary);line-height:1.8;margin-bottom:1.5rem;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:1rem}
.testimonial-avatar{width:44px;height:44px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;color:var(--accent);border:2px solid var(--border-strong)}
.testimonial-info h4{font-size:.9rem;font-weight:600}
.testimonial-info span{font-size:.75rem;color:var(--text-muted)}
.testimonial-stars{margin-left:auto;color:#f0b429;font-size:.85rem;display:flex;gap:.15rem}

/* ── CONTACT ── */
.contact{background:var(--bg-primary)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem}
.contact-info-list{margin-top:2.5rem;display:flex;flex-direction:column;gap:2rem}
.contact-item{display:flex;gap:1.25rem;align-items:flex-start}
.contact-item-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border-radius:12px;color:var(--accent);font-size:1.1rem;flex-shrink:0}
.contact-item h4{font-size:.95rem;font-weight:600;margin-bottom:.25rem}
.contact-item p,.contact-item a{font-size:.9rem;color:var(--text-secondary)}
.contact-item a:hover{color:var(--accent)}
.contact-form{background:var(--bg-secondary);border:1px solid var(--border);padding:3rem;border-radius:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-bottom:1.25rem}
.form-group{margin-bottom:1.25rem}
.form-group label{display:block;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:.5rem}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:.9rem 1.25rem;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-family:var(--font-body);font-size:.9rem;transition:border-color .3s,box-shadow .3s;outline:none}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,116,212,0.1)}
.form-group textarea{resize:vertical;min-height:140px}
.form-group select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%234a5568' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1.25rem center;padding-right:3rem}
.form-submit{width:100%;padding:1rem;background:var(--accent);color:#fff;font-family:var(--font-body);font-size:.85rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;border:none;border-radius:6px;cursor:pointer;transition:all .4s var(--ease-out);display:flex;align-items:center;justify-content:center;gap:.75rem;position:relative;overflow:hidden}
.form-submit::before{content:'';position:absolute;inset:0;background:var(--accent-gradient);opacity:0;transition:opacity .4s}
.form-submit:hover::before{opacity:1}
.form-submit span,.form-submit i{position:relative;z-index:1}
.form-submit:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,116,212,0.3)}

/* ── FOOTER ── */
.footer{background:var(--bg-dark);color:var(--text-on-dark);padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand p{font-size:.9rem;color:var(--text-on-dark-muted);line-height:1.7;max-width:300px;margin-top:1.25rem}
.footer-col h4{font-size:.8rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:#fff;margin-bottom:1.25rem}
.footer-col ul li{margin-bottom:.75rem}
.footer-col ul li a{font-size:.9rem;color:var(--text-on-dark-muted);transition:color .3s}
.footer-col ul li a:hover{color:var(--accent-light)}
.footer-social{display:flex;gap:1rem;margin-top:1.5rem}
.footer-social a{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-dark);border-radius:8px;color:var(--text-on-dark-muted);transition:all .3s}
.footer-social a:hover{color:var(--accent-light);border-color:var(--accent-light)}
.footer-bottom{padding-top:2rem;border-top:1px solid var(--border-dark);display:flex;justify-content:space-between;align-items:center}
.footer-bottom p{font-size:.8rem;color:var(--text-on-dark-muted)}
.footer-bottom a{color:var(--text-on-dark-muted);transition:color .3s}
.footer-bottom a:hover{color:var(--accent-light)}
.logo-svg-footer{height:32px;width:auto}

/* ── ANIMATIONS ── */
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}
@keyframes lineGlow{0%,100%{opacity:.08}50%{opacity:.2}}
.reveal{opacity:0;transform:translateY(40px);transition:all .8s var(--ease-out)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}.reveal-delay-2{transition-delay:.2s}.reveal-delay-3{transition-delay:.3s}.reveal-delay-4{transition-delay:.4s}.reveal-delay-5{transition-delay:.5s}

/* ── RESPONSIVE ── */
@media(max-width:1024px){.about-grid{grid-template-columns:1fr;gap:3rem}.about-visual{height:350px}.contact-grid{grid-template-columns:1fr;gap:3rem}.footer-grid{grid-template-columns:1fr 1fr}.engagements-grid{grid-template-columns:repeat(2,1fr)}.engagement-item:nth-child(2){border-right:none}.project-info{grid-template-columns:1fr}}
@media(max-width:768px){.nav-links{display:none}.nav-burger{display:block}.hero-stats{display:none}.hero-actions{flex-direction:column;align-items:flex-start}.hero h1{font-size:clamp(2rem,8vw,3.5rem)}.hero-content{max-width:100%}.hero-desc{font-size:1rem}.services-grid{grid-template-columns:1fr}.realisations-grid{grid-template-columns:1fr}.testimonials-grid{grid-template-columns:1fr}.engagements-grid{grid-template-columns:1fr}.engagement-item{border-right:none;border-bottom:1px solid var(--border-dark)}.engagement-item:last-child{border-bottom:none}.about-features{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:.75rem;text-align:center}.project-gallery{grid-template-columns:1fr}}

/* ── REALISATIONS GRID (overview) ── */
.real-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.real-card{position:relative;border-radius:12px;overflow:hidden;background:var(--bg-dark);aspect-ratio:4/3;cursor:pointer;transition:all .5s var(--ease-out)}
.real-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.real-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out),opacity .4s}
.real-card:hover img{transform:scale(1.06);opacity:.7}
.real-card-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:2rem;background:linear-gradient(to top,rgba(12,18,32,0.9) 0%,rgba(12,18,32,0.3) 40%,transparent 70%)}
.real-card-tag{display:inline-block;width:fit-content;padding:.25rem .75rem;background:rgba(0,116,212,0.25);color:var(--accent-light);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;border-radius:4px;margin-bottom:.75rem;font-weight:600}
.real-card-content h3{font-family:var(--font-display);font-size:1.3rem;font-weight:500;color:#fff;margin-bottom:.4rem}
.real-card-content p{font-size:.85rem;color:var(--text-on-dark-muted);line-height:1.5}
.real-card-arrow{position:absolute;top:1.5rem;right:1.5rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,0.1);border-radius:50%;color:#fff;font-size:.9rem;opacity:0;transform:translateX(-10px);transition:all .4s var(--ease-out)}
.real-card:hover .real-card-arrow{opacity:1;transform:translateX(0)}

/* ── PROJECT DETAIL PAGE ── */
.project-hero{position:relative;aspect-ratio:21/9;max-height:550px;overflow:hidden;border-radius:12px;margin-bottom:3rem}
.project-hero img{width:100%;height:100%;object-fit:cover}
.project-hero-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(12,18,32,0.6),transparent 50%)}
.project-detail{display:grid;grid-template-columns:2fr 1fr;gap:4rem}
.project-text h2{font-family:var(--font-display);font-size:1.5rem;font-weight:500;margin-bottom:1rem;margin-top:2.5rem}
.project-text h2:first-child{margin-top:0}
.project-text p{font-size:.95rem;color:var(--text-secondary);line-height:1.85;margin-bottom:1rem}
.project-sidebar{position:sticky;top:120px;align-self:start}
.project-sidebar-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:2rem;margin-bottom:1.5rem}
.project-sidebar-card h4{font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:1.25rem}
.project-sidebar-item{display:flex;gap:.75rem;align-items:flex-start;margin-bottom:1rem}
.project-sidebar-item:last-child{margin-bottom:0}
.project-sidebar-item i{color:var(--accent);margin-top:.15rem}
.project-sidebar-item span{font-size:.9rem;color:var(--text-secondary)}
.project-sidebar-item strong{display:block;font-size:.85rem;font-weight:600;color:var(--text-primary);margin-bottom:.1rem}
.project-photos{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:2.5rem 0}
.project-photos img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px;transition:transform .4s var(--ease-out)}
.project-photos img:hover{transform:scale(1.03)}
.project-photos.full img{grid-column:1/-1;aspect-ratio:16/9}
.project-nav{display:flex;justify-content:space-between;align-items:center;padding:2.5rem 0;border-top:1px solid var(--border);margin-top:3rem}
.project-nav a{display:flex;align-items:center;gap:.75rem;font-size:.85rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-secondary);transition:color .3s}
.project-nav a:hover{color:var(--accent)}
.project-nav a i{font-size:1.1rem}

@media(max-width:1024px){.project-detail{grid-template-columns:1fr}.project-sidebar{position:static}}
@media(max-width:768px){.real-grid{grid-template-columns:1fr}.project-photos{grid-template-columns:1fr}}

/* ── REALISATIONS SLIDER ── */
.slider-wrapper{position:relative;padding:0 0 2rem}
.slider-track{display:flex;gap:1.5rem;overflow-x:auto;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:0 clamp(1.5rem,4vw,4rem)}
.slider-track::-webkit-scrollbar{display:none}
.slide-card{flex:0 0 340px;position:relative;border-radius:12px;overflow:hidden;aspect-ratio:4/3;cursor:pointer;transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out);text-decoration:none}
.slide-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.slide-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out)}
.slide-card:hover img{transform:scale(1.06)}
.slide-card-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:1.5rem;background:linear-gradient(to top,rgba(12,18,32,0.9) 0%,rgba(12,18,32,0.2) 50%,transparent 70%)}
.slide-tag{display:inline-block;width:fit-content;padding:.25rem .7rem;background:var(--accent);color:#fff;font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;border-radius:4px;margin-bottom:.5rem;font-weight:600}
.slide-card-content h3{font-family:var(--font-display);font-size:1.15rem;font-weight:500;color:#fff;margin-bottom:.25rem}
.slide-card-content p{font-size:.8rem;color:var(--text-on-dark-muted)}
.slider-controls{display:flex;gap:.75rem;justify-content:center;margin-top:1.5rem}
.slider-btn{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--bg-card);border:1px solid var(--border);border-radius:50%;color:var(--text-primary);font-size:1rem;cursor:pointer;transition:all .3s var(--ease-out)}
.slider-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
@media(max-width:768px){.slide-card{flex:0 0 280px}}
@media(max-width:480px){.slide-card{flex:0 0 85vw}}

/* ── HERO FX : plan technique + soudure (canvas maison) ── */
.hero .container{width:100%}
.hero-content{max-width:760px}
.hero-photo{position:absolute;inset:0;z-index:0;background:url('https://images.unsplash.com/photo-1504917595217-d4dc5ede4bcd?w=1920&q=80') center/cover no-repeat;opacity:.16;filter:grayscale(.4) contrast(1.08)}
.hero-steel{position:absolute;inset:0;z-index:2;pointer-events:none;background:repeating-linear-gradient(101deg,rgba(255,255,255,.014) 0px,rgba(255,255,255,.014) 1px,transparent 1px,transparent 5px),radial-gradient(ellipse 70% 60% at 76% 52%,rgba(0,160,227,.10),transparent 72%)}
.hero-fx{position:absolute;inset:0;z-index:3;pointer-events:none;display:block}
.hero-sheen{position:absolute;inset:0;z-index:4;pointer-events:none;overflow:hidden}
.hero-sheen::before{content:'';position:absolute;top:-50%;left:-60%;width:38%;height:200%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.05),transparent);transform:rotate(9deg);animation:steelSweep 13s ease-in-out infinite}
@keyframes steelSweep{0%{left:-60%}42%{left:135%}100%{left:135%}}
.hero::after{content:'';position:absolute;inset:0;z-index:4;pointer-events:none;background:linear-gradient(to right,rgba(12,18,32,.62) 0%,rgba(12,18,32,.42) 38%,rgba(12,18,32,.05) 60%,transparent 75%)}
@media(max-width:900px){.hero::after{background:linear-gradient(to bottom,rgba(12,18,32,.75) 0%,rgba(12,18,32,.4) 45%,rgba(12,18,32,.6) 100%)}.hero-content{max-width:100%}}
@media(prefers-reduced-motion:reduce){.hero-sheen::before{animation:none;opacity:0}}
.hero h1{position:relative;background:linear-gradient(100deg,#fff 0%,#fff 42%,#cfe6ff 48%,#fff 54%,#fff 100%);background-size:300% 100%;background-position:130% 0;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:fadeUp 1s var(--ease-out) .5s forwards,titleSheen 9s ease-in-out 3.6s infinite}
@keyframes titleSheen{0%{background-position:130% 0}32%{background-position:-30% 0}100%{background-position:-30% 0}}
@media(prefers-reduced-motion:reduce){.hero h1{animation:fadeUp .01s linear forwards}}