:root{--bg:#f7f9fc;--surface:#ffffff;--surface-muted:#edf3fa;--text:#173452;--text-soft:#5f6f82;--brand:#143c65;--brand-strong:#0d2b48;--brand-soft:#d8e6f5;--border:rgba(20,60,101,0.12);--shadow:0 24px 60px rgba(14,38,64,0.12);--radius-lg:28px;--radius-md:18px;--radius-sm:12px;--container:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Segoe UI Variable","Trebuchet MS",Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#f7f9fc 0%,#eef3f8 100%)}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}p{margin:0 0 1rem;color:var(--text-soft);line-height:1.72}ul{margin:0;padding-left:1.15rem;color:var(--text-soft);line-height:1.7}h1,h2,h3,h4{margin:0 0 1rem;color:var(--text);line-height:1.05}.page-shell{min-height:100vh}.container{width:min(var(--container),calc(100% - 2rem));margin:0 auto}.site-header{position:sticky;top:0;z-index:30;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(247,249,252,0.92);border-bottom:1px solid rgba(20,60,101,0.08);transition:background 0.25s ease,box-shadow 0.25s ease,border-color 0.25s ease}.site-header--overlay{position:absolute;inset:0 0 auto;background:linear-gradient(180deg,rgba(10,30,50,0.55),rgba(10,30,50,0));border-bottom:0;backdrop-filter:none}.site-header .container,.site-footer .container{display:flex;align-items:center;justify-content:space-between;gap:1.5rem}.nav-wrap{display:flex;align-items:center;gap:1.5rem;min-height:84px}.brand{display:inline-flex;align-items:center;gap:0.9rem;font-weight:800;letter-spacing:0.08em;text-transform:uppercase}.brand img{width:68px;height:68px;object-fit:contain}.brand span{display:inline-flex;flex-direction:column;gap:0.1rem;font-size:0.86rem}.brand small{color:var(--text-soft);font-size:0.7rem;letter-spacing:0.22em}.site-header--overlay .brand,.site-header--overlay .site-nav a,.site-header--overlay .nav-toggle{color:#ffffff}.site-header--overlay .brand small{color:rgba(255,255,255,0.78)}.site-nav{display:flex;align-items:center;gap:1.25rem}.site-nav a{font-size:0.96rem;font-weight:600;color:var(--text-soft);transition:color 0.2s ease,background 0.2s ease,border-color 0.2s ease,transform 0.2s ease}.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--brand)}.site-header--overlay .site-nav a:hover,.site-header--overlay .site-nav a[aria-current="page"]{color:#ffffff}.nav-toggle{display:none;border:0;position:relative;width:52px;height:52px;border-radius:16px;background:rgba(20,60,101,0.08);color:var(--text);font:inherit;font-size:0;line-height:1;padding:0;cursor:pointer;transition:background 0.2s ease,transform 0.2s ease,box-shadow 0.2s ease}.nav-toggle::before,.nav-toggle::after{content:"";position:absolute;left:14px;right:14px;height:2px;border-radius:999px;background:currentColor;transition:transform 0.25s ease,top 0.25s ease,opacity 0.2s ease,box-shadow 0.25s ease}.nav-toggle::before{top:19px;box-shadow:0 8px 0 currentColor}.nav-toggle::after{top:31px}.nav-toggle:hover{transform:translateY(-1px)}.site-header.is-open .nav-toggle::before{top:25px;box-shadow:none;transform:rotate(45deg)}.site-header.is-open .nav-toggle::after{top:25px;transform:rotate(-45deg)}.site-header--overlay .nav-toggle{background:rgba(255,255,255,0.12);box-shadow:inset 0 0 0 1px rgba(255,255,255,0.12)}.site-header.is-open{box-shadow:0 18px 40px rgba(10,30,49,0.18)}.hero{position:relative;isolation:isolate;color:#ffffff;background:#0d2b48}.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,33,56,0.82),rgba(9,33,56,0.35)),linear-gradient(180deg,rgba(255,255,255,0.06),rgba(255,255,255,0));z-index:-1}.hero--home{min-height:720px;background:linear-gradient(120deg,rgba(10,30,49,0.42),rgba(10,30,49,0.08)),url("assets/hero-home.jpg") center/cover no-repeat}.hero--inner{min-height:360px;display:grid;place-items:center;text-align:center}.hero--mecanique{background:linear-gradient(120deg,rgba(10,30,49,0.52),rgba(10,30,49,0.18)),url("assets/hero-mecanique.jpg") center/cover no-repeat}.hero--electricite{background:linear-gradient(120deg,rgba(10,30,49,0.58),rgba(10,30,49,0.2)),url("assets/hero-electricite.jpg") center/cover no-repeat}.hero--transformateur{background:linear-gradient(120deg,rgba(10,30,49,0.55),rgba(10,30,49,0.18)),url("assets/service-transformateur.jpg") center/cover no-repeat}.hero--contact{background:linear-gradient(120deg,rgba(10,30,49,0.7),rgba(10,30,49,0.28)),radial-gradient(circle at top right,rgba(255,255,255,0.18),transparent 42%),#143c65}.hero-content{width:min(var(--container),calc(100% - 2rem));margin:0 auto;padding:10rem 0 5rem}.hero--inner .hero-content{width:min(1400px,calc(100% - 2rem));display:flex;flex-direction:column;align-items:center;text-align:center}.hero-kicker{display:inline-flex;align-items:center;gap:0.6rem;margin-bottom:1.25rem;padding:0.45rem 0.95rem;border-radius:999px;background:rgba(255,255,255,0.14);font-size:0.85rem;font-weight:700;letter-spacing:0.12em;text-transform:uppercase}.hero h1{max-width:11ch;margin-bottom:1.2rem;font-size:clamp(3.6rem,9vw,7rem);font-weight:900;letter-spacing:0.02em;color:#ffffff;text-transform:uppercase}.hero--inner h1{width:100%;max-width:none;margin-bottom:0.6rem;margin-inline:auto;font-size:clamp(2.3rem,6vw,4.3rem)}.hero p,.hero .lead{max-width:48rem;margin-bottom:0;color:rgba(255,255,255,0.82);font-size:1.1rem}.breadcrumbs{display:inline-flex;gap:0.55rem;align-items:center;justify-content:center;color:rgba(255,255,255,0.84);font-size:0.93rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase}.breadcrumbs a:hover{text-decoration:underline}.hero-actions,.cta-actions{display:flex;flex-wrap:wrap;gap:0.9rem;margin-top:2rem}.button,.button-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0.85rem 1.4rem;border-radius:999px;font-weight:700;transition:transform 0.2s ease,box-shadow 0.2s ease,background 0.2s ease}.button{background:#ffffff;color:var(--brand);box-shadow:0 14px 32px rgba(0,0,0,0.16)}.button-secondary{border:1px solid rgba(255,255,255,0.28);color:#ffffff;background:rgba(255,255,255,0.08)}.button--brand{background:var(--brand);color:#ffffff}.button--ghost{border:1px solid var(--border);color:var(--brand);background:#ffffff}.button:hover,.button-secondary:hover,.button--brand:hover,.button--ghost:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(12,37,61,0.18)}.section{padding:5.5rem 0}.section--tight{padding-top:4rem;padding-bottom:4rem}.section-header{max-width:48rem;margin-bottom:2.2rem}.eyebrow{display:inline-block;margin-bottom:0.85rem;color:var(--brand);font-size:0.82rem;font-weight:800;letter-spacing:0.14em;text-transform:uppercase}.section-title{font-size:clamp(2rem,4vw,3.4rem);text-transform:uppercase}.grid{display:grid;gap:1.5rem}.service-list{gap:2rem}.service-card{display:grid;grid-template-columns:minmax(250px,1.2fr) minmax(0,1fr);gap:1.7rem;align-items:center;padding:1.4rem;border-radius:var(--radius-lg);background:rgba(255,255,255,0.92);border:1px solid rgba(20,60,101,0.1);box-shadow:var(--shadow)}.service-card img{width:100%;aspect-ratio:1.48 / 1;object-fit:cover;border-radius:calc(var(--radius-lg) - 8px)}.service-card h3{margin-bottom:0.7rem;font-size:clamp(1.4rem,3vw,2rem);text-transform:uppercase}.service-card p{margin-bottom:1.25rem}.service-card .eyebrow{margin-bottom:0.55rem}.gallery{grid-template-columns:repeat(4,minmax(0,1fr))}.gallery-card{overflow:hidden;border-radius:var(--radius-md);background:var(--surface);box-shadow:var(--shadow)}.gallery-card img{width:100%;height:100%;min-height:230px;object-fit:cover;transition:transform 0.3s ease}.gallery-card:hover img{transform:scale(1.04)}.departments{grid-template-columns:repeat(2,minmax(0,1fr))}.panel{padding:1.45rem 1.5rem;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--border);box-shadow:0 18px 40px rgba(14,38,64,0.08)}.panel h3{font-size:1.15rem;margin-bottom:0.85rem;text-transform:uppercase}.panel ul li + li{margin-top:0.35rem}.principles{grid-template-columns:repeat(3,minmax(0,1fr))}.principle-card{padding:1.6rem;border-radius:var(--radius-md);background:linear-gradient(180deg,#ffffff 0%,#f1f6fb 100%);border:1px solid var(--border);text-align:center}.principle-card strong{display:block;margin-bottom:0.55rem;color:var(--brand);font-size:1.05rem;text-transform:uppercase}.split{display:grid;grid-template-columns:minmax(0,0.95fr) minmax(0,1.05fr);gap:2rem}.info-card{padding:2rem;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow)}.info-card + .info-card{margin-top:1.4rem}.showcase-media{display:grid;place-items:center;min-height:360px;padding:1.25rem;overflow:hidden;background:radial-gradient(circle at top right,rgba(20,60,101,0.12),transparent 38%),linear-gradient(180deg,#f8fbff 0%,#edf3fa 100%)}.showcase-media img{width:100%;height:auto;max-height:520px;object-fit:contain;border-radius:calc(var(--radius-lg) - 10px);box-shadow:0 16px 34px rgba(14,38,64,0.12)}.content-stack{display:grid;gap:1.4rem}.list-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem}.callout{padding:2rem;border-radius:var(--radius-lg);background:linear-gradient(135deg,#133c65 0%,#244f7c 100%);color:#ffffff}.callout h2,.callout p{color:#ffffff}.contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}.contact-card{padding:1.7rem;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--border);box-shadow:0 16px 35px rgba(14,38,64,0.08)}.contact-card h3{font-size:1.05rem;margin-bottom:0.8rem}.contact-card a{color:var(--brand);font-weight:700}.site-footer{background:linear-gradient(180deg,#173f69 0%,#102e4d 100%);color:#ffffff}.site-footer .container{padding-top:3.5rem;padding-bottom:3rem;align-items:flex-start}.footer-grid{display:grid;grid-template-columns:1.25fr 0.8fr 1fr;gap:2rem;width:100%}.footer-brand{display:flex;flex-direction:column;gap:1rem}.footer-brand img{width:86px;height:86px;object-fit:contain}.site-footer h3{margin-bottom:1rem;font-size:1rem;color:#ffffff;text-transform:uppercase}.site-footer p,.site-footer li,.site-footer a{color:rgba(255,255,255,0.82)}.footer-links,.footer-contact{list-style:none;padding:0}.footer-links li + li,.footer-contact li + li{margin-top:0.55rem}.footer-bottom{border-top:1px solid rgba(255,255,255,0.12);text-align:center;color:rgba(255,255,255,0.72);font-size:0.9rem;padding:1rem 1rem 1.4rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:960px){.site-header .container{display:block}.nav-wrap{justify-content:space-between}.nav-toggle{display:inline-flex;align-items:center;justify-content:center}.site-nav{display:flex;flex-direction:column;align-items:stretch;gap:0.65rem;max-height:0;overflow:hidden;opacity:0;transform:translateY(-8px);margin:0;padding:0;pointer-events:none;transition:max-height 0.3s ease,opacity 0.22s ease,transform 0.22s ease,padding 0.22s ease,margin 0.22s ease}.site-header.is-open .site-nav{max-height:420px;opacity:1;transform:translateY(0);margin:0 0 1rem;padding:0.5rem;pointer-events:auto;border-radius:24px;background:rgba(255,255,255,0.96);border:1px solid rgba(20,60,101,0.1);box-shadow:0 22px 50px rgba(10,30,49,0.16);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.site-nav a{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0.95rem 1rem;border-radius:18px;border:1px solid transparent;background:transparent;color:var(--text);font-size:1rem}.site-nav a::after{content:"";width:9px;height:9px;border-top:2px solid currentColor;border-right:2px solid currentColor;opacity:0.45;transform:rotate(45deg);transition:transform 0.2s ease,opacity 0.2s ease}.site-nav a:hover::after,.site-nav a[aria-current="page"]::after{opacity:0.9;transform:translateX(2px) rotate(45deg)}.site-header--overlay.is-open{background:rgba(9,28,46,0.82);border-color:rgba(255,255,255,0.1);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.site-header--overlay.is-open .site-nav{background:rgba(13,40,66,0.9);border-color:rgba(255,255,255,0.1);box-shadow:0 26px 52px rgba(0,0,0,0.28)}.site-header--overlay.is-open .site-nav a{color:#ffffff}.site-header--overlay.is-open .site-nav a:hover,.site-header--overlay.is-open .site-nav a[aria-current="page"]{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.12);color:#ffffff}.service-card,.split,.footer-grid,.contact-grid,.departments,.list-grid{grid-template-columns:1fr}.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.principles{grid-template-columns:1fr}}@media (max-width:720px){.hero--home{min-height:640px}.hero-content{padding-top:8.6rem;padding-bottom:4rem}.hero h1{max-width:100%}.hero p,.hero .lead{font-size:1rem}.gallery{grid-template-columns:1fr}.section{padding-top:4.4rem;padding-bottom:4.4rem}.service-card{padding:1rem}.brand span{display:none}}