/* Layout: navy header + photo hero (house right, text left), white services, grey réalisations, navy contact band, navy footer — GSC navy/orange, Montserrat as in the logo. Single light look by design. */
:root{
  --navy:#132447; --navy-2:#0e1c3a; --navy-card:#16294f;
  --orange:#ef6a2b; --orange-2:#d9561b;
  --white:#ffffff; --grey:#f1f3f6; --ink:#132447; --text:#4b5670; --line:#dde2ea;
  --on-navy:#ffffff; --on-navy-2:#c7cee0;
  --font:"Montserrat","Helvetica Neue",Arial,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font:400 16px/1.65 var(--font);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--navy)}
img{display:block;max-width:100%}
[hidden]{display:none!important}
a{color:inherit}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
h1,h2,h3{margin:0;color:inherit;letter-spacing:-.01em;text-wrap:balance}
.eyebrow{display:flex;align-items:center;gap:14px;font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--ink)}
.eyebrow::before{content:"";width:32px;height:3px;background:var(--orange);border-radius:2px}
.btn{display:inline-flex;align-items:center;gap:12px;font:600 15px/1 var(--font);padding:17px 24px;background:var(--orange);color:#fff;text-decoration:none;border:0;border-radius:3px;cursor:pointer;transition:background .2s,transform .2s}
.btn:hover{background:var(--orange-2)}
.btn svg{width:17px;height:17px;transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--navy);color:#fff;border-bottom:1px solid rgba(255,255,255,.06)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:14px}
.logo{display:grid;justify-items:center;text-decoration:none;color:#fff;width:212px;flex:none}
.logo svg{width:150px;height:auto}
.logo b{display:block;font-weight:700;font-size:15.5px;line-height:1.08;text-align:center;letter-spacing:.01em;margin-top:6px;text-transform:uppercase}
.logo i{font-style:normal;font-weight:500;font-size:9.5px;letter-spacing:.02em;margin-top:4px;opacity:.9}
.logo i span{color:var(--orange)}
nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0}
nav a{display:block;text-decoration:none;font-weight:600;font-size:14.5px;padding-block:10px;position:relative}
nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--orange);transform:scaleX(0);transition:transform .25s}
nav a:hover::after,nav a.on::after{transform:scaleX(1)}
.mcall{display:none;place-items:center;width:44px;height:44px;background:var(--orange);border-radius:3px}
.mcall svg{width:19px;height:19px}
@media (max-width:1060px){nav{display:none}.mcall{display:grid}.logo{width:176px}.logo svg{width:124px}.logo b{font-size:13px}}

/* hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero .photo{position:absolute;top:0;right:0;bottom:0;width:72%;height:100%;object-fit:cover;object-position:60% 40%}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:
  linear-gradient(90deg,var(--navy) 0%,var(--navy) 27%,rgba(19,36,71,.88) 38%,rgba(19,36,71,.45) 52%,rgba(19,36,71,0) 68%),
  linear-gradient(0deg,rgba(19,36,71,.55) 0%,rgba(19,36,71,0) 30%)}
.hero .wrap{position:relative;z-index:2;padding-block:clamp(84px,10vw,128px) clamp(84px,10vw,124px)}
.hero .rule{width:54px;height:4px;background:var(--orange);border-radius:2px;margin-bottom:30px}
.hero h1{font-size:clamp(32px,4.1vw,50px);font-weight:700;line-height:1.1;white-space:nowrap}
.hero h1 .dot{color:var(--orange)}
.hero .tag{font-size:clamp(19px,1.9vw,24px);font-weight:600;margin:14px 0 26px}
.hero p{max-width:41ch;margin:0 0 34px;font-size:15.5px;color:#e6eaf3}
@media (max-width:900px){
  .hero .photo{width:100%;object-position:68% 40%}
  .hero::before{background:linear-gradient(90deg,rgba(19,36,71,.92) 0%,rgba(19,36,71,.75) 60%,rgba(19,36,71,.45) 100%)}
  .hero h1{white-space:normal}
}

section{padding-block:clamp(64px,8vw,96px)}
.sec-head{display:grid;grid-template-columns:1.1fr 1fr;gap:20px 70px;align-items:end;margin-bottom:44px}
.sec-head h2{font-size:clamp(28px,3.2vw,38px);font-weight:700;line-height:1.18;margin-top:16px}
.sec-head p{margin:0;color:var(--text);font-size:15px;max-width:48ch}
@media (max-width:800px){.sec-head,.real .sec-head{grid-template-columns:1fr}.real .sec-head .ghost{justify-self:start}}

/* services */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--navy-card);color:#fff;display:flex;flex-direction:column;min-width:0;text-decoration:none;box-shadow:0 10px 30px -18px rgba(19,36,71,.6)}
.card .ph{aspect-ratio:2/1;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.card:hover .ph img{transform:scale(1.05)}
.card .tx{padding:24px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card svg.ic{width:36px;height:36px;color:var(--orange)}
.card h3{font-size:19px;font-weight:700}
.card p{margin:0;font-size:14.5px;color:var(--on-navy-2);flex:1}
.card .more{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;color:var(--orange);margin-top:6px}
.card .more svg{width:15px;height:15px;transition:transform .2s}
.card:hover .more svg{transform:translateX(4px)}
@media (max-width:1100px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.cards{grid-template-columns:1fr;max-width:560px}}

/* réalisations */
.real{background:var(--grey)}
.real .sec-head{grid-template-columns:1fr auto}
@media (max-width:800px){.real .sec-head{grid-template-columns:1fr}}
.ghost{display:inline-flex;align-items:center;gap:10px;font:600 13.5px/1 var(--font);color:var(--ink);text-decoration:none;padding:14px 18px;border:1.5px solid var(--orange);border-radius:3px;white-space:nowrap;transition:background .2s,color .2s}
.ghost:hover{background:var(--orange);color:#fff}
.ghost svg{width:15px;height:15px;color:var(--orange)}
.ghost:hover svg{color:#fff}
.gal{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.gal button{all:unset;cursor:zoom-in;position:relative;display:block;aspect-ratio:5/4;overflow:hidden;background:var(--navy)}
.gal button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease,opacity .3s}
.gal span{position:absolute;left:0;right:0;bottom:0;padding:26px 12px 10px;font-size:12.5px;font-weight:600;color:#fff;background:linear-gradient(0deg,rgba(14,28,58,.85),rgba(14,28,58,0));opacity:0;transform:translateY(6px);transition:.3s}
.gal button:hover img{transform:scale(1.06)}
.gal button:hover span,.gal button:focus-visible span{opacity:1;transform:none}
@media (max-width:900px){.gal{grid-template-columns:repeat(2,1fr)}.gal button:first-child{grid-column:1/-1;aspect-ratio:16/9}.gal span{opacity:1;transform:none}}

.lb{position:fixed;inset:0;z-index:100;background:rgba(9,16,34,.94);display:grid;place-items:center;padding:max(20px,env(safe-area-inset-top,0px)) max(20px,env(safe-area-inset-right,0px)) max(20px,env(safe-area-inset-bottom,0px)) max(20px,env(safe-area-inset-left,0px))}
.lb figure{margin:0;display:grid;gap:12px;justify-items:center}
.lb img{max-height:82vh;max-width:min(1100px,100%);width:auto}
.lb figcaption{color:#fff;font-weight:600;font-size:14px}
.lb .x{position:absolute;top:max(14px,env(safe-area-inset-top,0px));right:max(14px,env(safe-area-inset-right,0px));all:unset;cursor:pointer;color:#fff;font-size:30px;line-height:1;padding:10px 14px}
.lb .x{position:absolute;top:max(14px,env(safe-area-inset-top,0px));right:max(14px,env(safe-area-inset-right,0px))}

/* contact */
.contact{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.contact .mark-bg{position:absolute;right:-60px;top:50%;transform:translateY(-50%);width:560px;opacity:.05;pointer-events:none}
.cgrid{position:relative;display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:40px 56px;align-items:center}
.cgrid .eyebrow{color:#fff}
.cgrid h2{font-size:clamp(28px,3vw,36px);font-weight:700;line-height:1.2;margin-top:16px}
.cgrid .mid{padding-right:56px;border-right:1px solid rgba(255,255,255,.18)}
.cgrid .mid p{margin:0 0 26px;color:var(--on-navy-2);font-size:15px;max-width:46ch}
.info{list-style:none;margin:0;padding:0;display:grid;gap:22px}
.info li{display:grid;grid-template-columns:28px 1fr;gap:14px;align-items:start;font-size:14.5px;line-height:1.45}
.info svg{width:24px;height:24px;color:var(--orange)}
.info strong{font-weight:600;user-select:all}
@media (max-width:960px){.cgrid{grid-template-columns:1fr}.cgrid .mid{padding-right:0;border-right:0;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.18)}}

footer{background:var(--navy-2);color:var(--on-navy-2);font-size:12.5px}
footer .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding-block:30px}
footer .logo{width:150px}footer .logo svg{width:104px}footer .logo b{font-size:11px}footer .logo i{font-size:7px}
footer ul{display:flex;flex-wrap:wrap;gap:8px 28px;list-style:none;margin:0;padding:0}
footer ul a{text-decoration:none;color:#fff;font-weight:500}
footer ul a:hover{color:var(--orange)}
footer .copy{display:flex;align-items:center;gap:14px}
footer .copy::before{content:"";width:22px;height:2px;background:var(--orange)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}