/* GEOTEM Expertise — feuille de style */
@font-face{font-family:'Archivo';src:url(fonts/archivo-latin-wdth-normal.woff2) format('woff2');font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:'Archivo';src:url(fonts/archivo-latin-ext-wdth-normal.woff2) format('woff2');font-weight:100 900;font-stretch:62% 125%;font-display:swap;unicode-range:U+0100-024F,U+1E00-1EFF}
@font-face{font-family:'IBM Plex Sans';src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url(fonts/ibm-plex-sans-latin-500-normal.woff2) format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url(fonts/ibm-plex-sans-latin-600-normal.woff2) format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url(fonts/ibm-plex-sans-latin-ext-400-normal.woff2) format('woff2');font-weight:400;font-display:swap;unicode-range:U+0100-024F}
@font-face{font-family:'IBM Plex Mono';src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2');font-weight:500;font-display:swap}

:root{
  --ground:#F3EFE6; --ground-2:#E9E3D6; --paper:#FFFFFF; --ink:#1C201E; --ink-2:#3D423F; --mute:#5C615D;
  --line:#D9D2C3; --clay:#9E4524; --clay-light:#E2A383; --forest:#24362F; --forest-line:#5E7169; --forest-text:#C9D1CC; --sand:#B9B3A6;
  --display:'Archivo',system-ui,sans-serif; --sans:'IBM Plex Sans',system-ui,sans-serif; --mono:'IBM Plex Mono',ui-monospace,monospace;
  --pad:clamp(20px,5.5vw,80px); --section:clamp(64px,8vw,112px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--clay)}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px}
.wrap{max-width:1440px;margin:0 auto;padding-inline:var(--pad)}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.16em;color:var(--clay);text-transform:uppercase;margin:0}
h1,h2,h3{font-family:var(--display);margin:0}
h2{font-weight:800;font-stretch:88%;font-size:clamp(34px,4.2vw,52px);line-height:1.04}
.lead{margin:0;max-width:420px;color:var(--ink-2)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;font-weight:600;border-radius:2px;border:1px solid transparent;font-family:var(--sans);font-size:16px;cursor:pointer}
.btn-clay{background:var(--clay);color:#fff}.btn-clay:hover{background:#86391d;color:#fff}
.btn-line{border-color:var(--ink)}.btn-line:hover{background:var(--ink);color:var(--ground)}
.btn-dark{background:var(--ink);color:var(--ground);min-height:46px;padding:0 22px}.btn-dark:hover{background:var(--clay);color:#fff}

/* En-tête */
.site-header{position:sticky;top:0;z-index:50;background:rgba(243,239,230,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.site-header .wrap{height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{height:60px;width:auto}
.nav{display:flex;align-items:center;gap:36px;font-weight:500;font-size:15px}
.menu-btn{display:none;width:48px;height:48px;border:1px solid var(--line);background:transparent;border-radius:2px;cursor:pointer;align-items:center;justify-content:center}
.menu-btn svg{width:22px;height:22px}

/* Hero */
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:640px}
.hero-text{padding:clamp(56px,7vw,96px) clamp(24px,4.5vw,64px) clamp(48px,5vw,72px) var(--pad);display:flex;flex-direction:column;justify-content:space-between;gap:48px;max-width:720px;margin-left:auto;width:100%}
.hero-text > div:first-child{display:flex;flex-direction:column;gap:28px}
.hero h1{font-weight:800;font-stretch:88%;font-size:clamp(46px,5.4vw,76px);line-height:.98;letter-spacing:-.01em}
.hero p:not(.eyebrow){margin:0;max-width:520px;font-size:clamp(17px,1.4vw,19px);color:var(--ink-2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px}
.hero-photo{position:relative;min-height:420px}
.hero-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tag{position:absolute;left:0;bottom:0;padding:12px 18px;background:var(--ground);font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase}

/* Chiffres */
.stats{background:var(--ink);color:var(--ground)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;padding-block:44px}
.stat b{display:block;font-family:var(--display);font-weight:800;font-size:clamp(36px,3.4vw,48px);line-height:1}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--sand)}

/* Sections */
.section{padding-block:var(--section)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:48px;margin-bottom:56px}
.section-head > div{display:flex;flex-direction:column;gap:16px}

/* Expertises */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--paper);border:1px solid var(--line);padding:36px;display:flex;flex-direction:column;gap:14px}
.card svg{width:40px;height:40px;stroke:var(--clay)}
.card h3{font-weight:700;font-size:23px;line-height:1.2}
.card p{margin:0;font-size:15px;color:var(--ink-2)}

/* Références */
.refs{background:var(--ground-2)}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:250px 250px 300px 300px;gap:20px}
.gallery figure{margin:0;position:relative;overflow:hidden;background:var(--line)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gallery figure:hover img{transform:scale(1.03)}
.gallery .big{grid-column:span 2;grid-row:span 2}
.gallery .tall{grid-row:span 2}
.gallery figcaption{position:absolute;left:0;bottom:0;padding:12px 16px;background:var(--ground);display:flex;flex-direction:column;gap:2px;max-width:calc(100% - 16px)}
.gallery figcaption strong{font-family:var(--display);font-weight:700;font-size:17px;line-height:1.25}
.gallery figcaption span{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--mute);text-transform:uppercase}
.gallery .big figcaption strong{font-size:20px}

/* Méthode */
.method{background:var(--forest);color:var(--ground)}
.method .eyebrow{color:var(--clay-light)}
.steps{list-style:none;margin:56px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.steps li{border-top:1px solid var(--forest-line);padding-top:20px;display:flex;flex-direction:column;gap:10px}
.steps small{font-family:var(--mono);font-size:13px;color:var(--clay-light)}
.steps strong{font-family:var(--display);font-weight:700;font-size:22px}
.steps span{font-size:15px;color:var(--forest-text)}

/* Implantation */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(48px,7vw,96px);align-items:center}
.split > div:first-child{display:flex;flex-direction:column;gap:20px}
.bars{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:18px}
.bars li{display:grid;grid-template-columns:minmax(120px,190px) 1fr 32px;align-items:center;gap:16px;font-size:15px;font-weight:500}
.bar{height:14px;background:var(--line)}
.bar i{display:block;height:100%;background:var(--clay)}
.bar i.alt{background:var(--forest)}
.bars em{font-style:normal;font-family:var(--mono);text-align:right}
.bars-note{font-family:var(--mono);font-size:12px;color:var(--mute);margin:8px 0 0;text-transform:uppercase}

/* Contact */
.contact{background:var(--paper);border-top:1px solid var(--line)}
.coords{display:grid;grid-template-columns:120px 1fr;row-gap:14px;margin:8px 0 0}
.coords dt{font-family:var(--mono);font-size:13px;color:var(--mute);padding-top:2px;text-transform:uppercase}
.coords dd{margin:0}
.form{display:flex;flex-direction:column;gap:16px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500}
.form input,.form select,.form textarea{font:inherit;font-size:16px;border:1px solid var(--sand);background:#FAF8F3;color:var(--ink);border-radius:2px;padding:0 14px;min-height:50px;width:100%}
.form textarea{padding:12px 14px;min-height:130px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--clay);outline-offset:0;border-color:var(--clay)}
.form .btn{align-self:flex-start}
.hp{position:absolute;left:-9999px}

/* Pied de page */
.site-footer{background:var(--ink);color:var(--sand);font-size:14px}
.site-footer .wrap{min-height:120px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:28px}
.site-footer img{height:48px;width:auto}

/* Tablette */
@media (max-width:1100px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:32px}
  .steps{grid-template-columns:repeat(2,1fr);gap:40px 32px}
  .gallery{grid-template-columns:repeat(2,1fr);grid-template-rows:none;grid-auto-rows:260px}
  .gallery .big{grid-column:span 2;grid-row:span 2}
  .gallery .tall{grid-row:span 2}
}
/* Mobile */
@media (max-width:860px){
  .site-header .wrap{height:72px}
  .brand img{height:48px}
  html{scroll-padding-top:72px}
  .menu-btn{display:inline-flex}
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--ground);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px var(--pad) 24px}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px}
  .nav a.btn-dark{margin-top:16px;border:none;padding:0 22px}
  .nav.open{display:flex}
  .hero{grid-template-columns:minmax(0,1fr);min-height:0}
  .hero-text{max-width:none;padding:48px var(--pad) 40px}
  .hero-photo{min-height:0;aspect-ratio:4/3}
  .section-head{flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:36px}
  .cards{grid-template-columns:1fr}
  .card{padding:28px}
  .split{grid-template-columns:minmax(0,1fr)}
  .form .row{grid-template-columns:1fr}
  .site-footer .wrap{flex-direction:column;align-items:flex-start;justify-content:center}
}
@media (max-width:560px){
  .stats .wrap{grid-template-columns:1fr 1fr;gap:28px 20px;padding-block:36px}
  .steps{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr;grid-auto-rows:240px}
  .gallery .big,.gallery .tall{grid-column:auto;grid-row:auto}
  .gallery .big{grid-row:span 1}
  .bars li{grid-template-columns:120px 1fr 28px;gap:10px;font-size:14px}
  .coords{grid-template-columns:1fr;row-gap:2px}
  .coords dd{margin-bottom:12px}
  .hero-cta .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.gallery img{transition:none}}
.site-footer .legal{display:flex;flex-direction:column;gap:4px;text-align:right;font-size:13px;line-height:1.5}
.coords a{text-decoration:underline;text-underline-offset:3px}
@media (max-width:860px){.site-footer .legal{text-align:left}}