/* ===== SOFTECH Ingénierie — shared stylesheet ===== */
:root{
  --indigo:#4E52B8;
  --indigo-dark:#2A2C6B;
  --indigo-darker:#1E1F52;
  --ink:#1B1C2E;
  --ink-soft:#54566E;
  --amber:#E7A23A;
  --teal:#1FA69C;
  --paper:#F6F6FB;
  --white:#FFFFFF;
  --line:#E4E4F0;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  color:var(--indigo-dark);
  line-height:1.15;
  font-weight:600;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{list-style:none;}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
section{padding:96px 0;}
@media(max-width:720px){ section{padding:60px 0;} }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--amber);outline-offset:3px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-weight:600;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{background:var(--amber);color:#3A2405;box-shadow:0 6px 18px rgba(231,162,58,.35);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(231,162,58,.45);}
.btn-ghost{background:transparent;border-color:var(--indigo);color:var(--indigo);}
.btn-ghost:hover{background:var(--indigo);color:#fff;}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:#fff;color:var(--indigo-dark);}
.btn-light{background:#fff;color:var(--indigo-dark);}
.btn-light:hover{transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- Header / nav ---------- */
header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,0.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 28px;max-width:1180px;margin:0 auto;}
.brand{display:flex;align-items:center;gap:10px;}
.brand img{height:42px;width:auto;}
.nav-links{display:flex;gap:6px;align-items:center;}
.nav-links > a, .nav-item > button{
  font-size:15px;font-weight:500;color:var(--ink-soft);
  padding:10px 14px;border-radius:8px;
  transition:color .15s ease, background .15s ease;
  background:none;border:none;cursor:pointer;font-family:'Inter',sans-serif;
  display:flex;align-items:center;gap:5px;
}
.nav-links > a:hover, .nav-item > button:hover{color:var(--indigo);background:#EDEEFA;}
.nav-links > a.active{color:var(--indigo);font-weight:600;}
.nav-item{position:relative;}
.nav-item > button svg{width:13px;height:13px;transition:transform .15s ease;}
.nav-item:hover > button svg{transform:rotate(180deg);}
.dropdown{
  position:absolute;top:calc(100% + 6px);left:0;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 16px 32px rgba(30,31,82,.14);
  min-width:250px;padding:8px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .15s ease, transform .15s ease, visibility .15s ease;
}
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown a{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:8px;font-size:14.5px;color:var(--ink);}
.dropdown a:hover{background:var(--paper);color:var(--indigo);}
.dropdown a span{font-size:12.5px;color:var(--ink-soft);font-weight:400;}
.nav-cta{margin-left:8px;}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--indigo-dark);margin:5px 0;transition:.2s;}

@media(max-width:960px){
  .nav-links{
    position:fixed;top:69px;left:0;right:0;bottom:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:8px 0 24px;overflow-y:auto;
    transform:translateX(100%);transition:transform .25s ease;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links > a, .nav-item{width:100%;}
  .nav-links > a, .nav-item > button{width:100%;justify-content:space-between;padding:16px 28px;border-radius:0;border-bottom:1px solid var(--line);}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;display:none;background:var(--paper);border-radius:0;}
  .nav-item.open .dropdown{display:block;}
  .nav-item.open > button svg{transform:rotate(180deg);}
  .nav-cta{margin:16px 28px;}
  .menu-toggle{display:block;}
}

/* ---------- Page hero (internal pages) ---------- */
.page-hero{
  padding:64px 0 56px;
  background:linear-gradient(180deg,#EDEEFA 0%, var(--paper) 100%);
  border-bottom:1px solid var(--line);
}
.breadcrumb{font-size:13.5px;color:var(--ink-soft);margin-bottom:18px;}
.breadcrumb a{color:var(--indigo);}
.breadcrumb span{margin:0 6px;}
.page-hero h1{font-size:clamp(30px,4vw,44px);max-width:20ch;}
.page-hero p{color:var(--ink-soft);font-size:17px;max-width:60ch;margin-top:16px;}

/* ---------- Hero (home) ---------- */
.hero{padding:72px 0 96px;overflow:hidden;}
.hero .wrap{display:grid;grid-template-columns:1.05fr 0.95fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(34px,4.4vw,54px);letter-spacing:-0.01em;margin-bottom:22px;}
.hero p.lead{font-size:18px;color:var(--ink-soft);max-width:52ch;margin-bottom:32px;}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px;}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;}
.tag{font-size:13px;font-weight:500;color:var(--indigo-dark);background:#EDEEFA;border:1px solid var(--line);padding:7px 14px;border-radius:999px;}
.hero-art{position:relative;display:flex;align-items:center;justify-content:center;}
.hero-art svg{width:100%;max-width:440px;height:auto;}
.orbit{animation:spin 60s linear infinite;transform-origin:220px 220px;}
@media (prefers-reduced-motion: reduce){ .orbit{animation:none;} }
@keyframes spin{ to{ transform:rotate(360deg);} }
@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;}
  .hero-art{order:-1;max-width:300px;margin:0 auto;}
}

/* ---------- Section heads ---------- */
.section-head{max-width:640px;margin-bottom:52px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(26px,3.2vw,36px);margin-bottom:14px;}
.section-head p{color:var(--ink-soft);font-size:16.5px;}
.eyebrow{font-size:13.5px;font-weight:600;color:var(--teal);margin-bottom:10px;display:block;}

/* ---------- Services grid ---------- */
.services{background:var(--white);}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media(max-width:900px){ .service-grid{grid-template-columns:1fr;} }
.service-card{border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;background:var(--paper);transition:border-color .15s ease, transform .15s ease;display:flex;flex-direction:column;}
.service-card:hover{border-color:var(--indigo);transform:translateY(-3px);}
.service-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--indigo-dark);margin-bottom:20px;}
.service-icon svg{width:26px;height:26px;stroke:#fff;}
.service-card h3{font-size:20px;margin-bottom:10px;}
.service-card p{color:var(--ink-soft);font-size:15px;margin-bottom:16px;flex-grow:1;}
.service-card ul{margin-bottom:16px;}
.service-card li{font-size:14.5px;color:var(--ink);padding-left:20px;position:relative;margin-bottom:8px;}
.service-card li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--amber);}
.service-card .card-link{font-size:14.5px;font-weight:600;color:var(--indigo);display:inline-flex;align-items:center;gap:6px;margin-top:auto;}
.service-card .card-link svg{width:14px;height:14px;transition:transform .15s ease;}
.service-card:hover .card-link svg{transform:translateX(3px);}

/* ---------- Trust / clients ---------- */
.trust{background:var(--indigo-darker);padding:64px 0;}
.trust .section-head{margin-bottom:36px;}
.trust .section-head h2, .trust .section-head p{color:#fff;}
.trust .section-head p{color:#C7C9EE;}
.trust-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
@media(max-width:860px){ .trust-grid{grid-template-columns:repeat(3,1fr);} }
@media(max-width:560px){ .trust-grid{grid-template-columns:repeat(2,1fr);} }
.trust-tile{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:12px;
  padding:20px 14px;display:flex;align-items:center;justify-content:center;text-align:center;
  min-height:78px;color:#C7C9EE;font-size:13.5px;font-weight:600;letter-spacing:.01em;
}
.trust-note{margin-top:24px;font-size:13px;color:#8F92C4;text-align:center;}

/* ---------- Approach ---------- */
.approach{background:var(--indigo-dark);color:#fff;}
.approach .section-head h2,.approach .section-head p{color:#fff;}
.approach .section-head p{color:#C7C9EE;}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
@media(max-width:900px){ .steps{grid-template-columns:1fr 1fr;} }
@media(max-width:560px){ .steps{grid-template-columns:1fr;} }
.step{border-top:2px solid var(--amber);padding-top:18px;}
.step .num{font-family:'Space Grotesk',sans-serif;font-size:14px;color:var(--amber);font-weight:600;margin-bottom:10px;}
.step h4{color:#fff;font-size:17px;margin-bottom:8px;}
.step p{color:#C7C9EE;font-size:14.5px;}

/* ---------- Case studies / réalisations ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media(max-width:960px){ .case-grid{grid-template-columns:1fr;} }
.case-card{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--white);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .15s ease, box-shadow .15s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(30,31,82,.10);}
.case-media{height:150px;display:flex;align-items:center;justify-content:center;position:relative;}
.case-media svg{width:64px;height:64px;}
.case-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex-grow:1;}
.case-sector{font-size:12.5px;font-weight:600;color:var(--teal);text-transform:none;margin-bottom:8px;}
.case-body h3{font-size:19px;margin-bottom:10px;}
.case-body p{font-size:14.5px;color:var(--ink-soft);margin-bottom:16px;flex-grow:1;}
.case-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;}
.case-tags span{font-size:12px;background:var(--paper);border:1px solid var(--line);color:var(--ink-soft);padding:5px 10px;border-radius:999px;}
.case-body .card-link{font-size:14.5px;font-weight:600;color:var(--indigo);display:inline-flex;align-items:center;gap:6px;}
.case-body .card-link svg{width:14px;height:14px;transition:transform .15s ease;}
.case-card:hover .card-link svg{transform:translateX(3px);}

/* case detail page */
.case-detail{background:var(--white);}
.case-detail .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;}
@media(max-width:900px){ .case-detail .wrap{grid-template-columns:1fr;} }
.case-detail h2{font-size:24px;margin:28px 0 12px;}
.case-detail p{color:var(--ink-soft);margin-bottom:14px;font-size:15.5px;}
.case-detail ul{margin:0 0 20px;display:grid;gap:10px;}
.case-detail li{font-size:14.5px;color:var(--ink);padding-left:20px;position:relative;}
.case-detail li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:2px;background:var(--amber);}
.case-side{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px;height:fit-content;}
.case-side dl{display:grid;gap:16px;}
.case-side dt{font-size:12.5px;font-weight:600;color:var(--indigo-dark);margin-bottom:4px;}
.case-side dd{font-size:14.5px;color:var(--ink-soft);}

/* ---------- About ---------- */
.about .wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
@media(max-width:900px){ .about .wrap{grid-template-columns:1fr;} }
.about h2{font-size:clamp(26px,3.2vw,34px);margin-bottom:18px;}
.about p{color:var(--ink-soft);margin-bottom:16px;font-size:16px;}
.about-list{margin-top:24px;display:grid;gap:14px;}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink);}
.about-list svg{flex-shrink:0;width:20px;height:20px;stroke:var(--teal);margin-top:2px;}
.about-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:36px;}
.about-panel .domain{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);gap:16px;}
.about-panel .domain:last-child{border-bottom:none;}
.about-panel .domain span:first-child{font-weight:600;color:var(--indigo-dark);font-size:15.5px;}
.about-panel .domain span:last-child{color:var(--ink-soft);font-size:13.5px;text-align:right;}

/* values grid (apropos page) */
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
@media(max-width:960px){ .values-grid{grid-template-columns:1fr 1fr;} }
@media(max-width:560px){ .values-grid{grid-template-columns:1fr;} }
.value-card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:var(--white);}
.value-card .service-icon{margin-bottom:16px;width:44px;height:44px;}
.value-card .service-icon svg{width:22px;height:22px;}
.value-card h4{font-size:16.5px;margin-bottom:8px;}
.value-card p{font-size:14px;color:var(--ink-soft);}

/* timeline (apropos) */
.timeline{display:grid;gap:0;border-left:2px solid var(--line);margin-left:8px;}
.timeline-item{position:relative;padding:0 0 34px 30px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{content:"";position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--amber);border:3px solid var(--paper);}
.timeline-item h4{font-size:16px;margin-bottom:6px;}
.timeline-item p{font-size:14.5px;color:var(--ink-soft);}
.timeline-year{font-size:13px;color:var(--teal);font-weight:600;margin-bottom:4px;display:block;}

/* ---------- Pricing / process list style used in service pages ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;}
@media(max-width:900px){ .split{grid-template-columns:1fr;} }
.feature-list{display:grid;gap:18px;}
.feature-list li{display:flex;gap:14px;align-items:flex-start;}
.feature-list .fi{width:34px;height:34px;border-radius:9px;background:#EDEEFA;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.feature-list .fi svg{width:17px;height:17px;stroke:var(--indigo);}
.feature-list h4{font-size:15.5px;margin-bottom:3px;color:var(--indigo-dark);}
.feature-list p{font-size:14px;color:var(--ink-soft);}

.info-panel{background:var(--indigo-dark);color:#fff;border-radius:var(--radius);padding:34px;}
.info-panel h3{color:#fff;font-size:19px;margin-bottom:12px;}
.info-panel p{color:#C7C9EE;font-size:14.5px;margin-bottom:20px;}
.info-panel .btn{width:100%;}

/* product/material category cards */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media(max-width:960px){ .cat-grid{grid-template-columns:1fr 1fr;} }
@media(max-width:560px){ .cat-grid{grid-template-columns:1fr;} }
.cat-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:var(--white);text-align:left;}
.cat-card .service-icon{margin-bottom:14px;width:42px;height:42px;}
.cat-card .service-icon svg{width:20px;height:20px;}
.cat-card h4{font-size:15.5px;margin-bottom:6px;}
.cat-card p{font-size:13.5px;color:var(--ink-soft);}

/* CTA band */
.cta-band{background:var(--amber);}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:52px 28px;}
.cta-band h2{color:#3A2405;font-size:clamp(22px,3vw,30px);max-width:26ch;}
.cta-band p{color:#5A3B0D;margin-top:8px;font-size:15px;}
.cta-band .btn-light{box-shadow:0 8px 20px rgba(58,36,5,.15);}

/* FAQ */
.faq{display:grid;gap:14px;max-width:800px;}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--white);overflow:hidden;}
.faq-q{width:100%;text-align:left;padding:20px 22px;background:none;border:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:'Space Grotesk',sans-serif;font-size:16px;font-weight:600;color:var(--indigo-dark);}
.faq-q svg{width:16px;height:16px;flex-shrink:0;transition:transform .2s ease;}
.faq-item.open .faq-q svg{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:220px;}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--ink-soft);}

/* ---------- Contact ---------- */
.contact{background:var(--white);}
.contact .wrap{display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;}
@media(max-width:900px){ .contact .wrap{grid-template-columns:1fr;} }
.contact-info h2{font-size:clamp(26px,3.2vw,34px);margin-bottom:16px;}
.contact-info > p{color:var(--ink-soft);margin-bottom:32px;font-size:16px;max-width:44ch;}
.info-row{display:flex;gap:16px;align-items:flex-start;margin-bottom:26px;}
.info-row .ic{width:40px;height:40px;border-radius:10px;background:#EDEEFA;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.info-row .ic svg{width:19px;height:19px;stroke:var(--indigo);}
.info-row h4{font-size:15px;color:var(--indigo-dark);margin-bottom:3px;}
.info-row p, .info-row a{font-size:15px;color:var(--ink-soft);}
.info-row a:hover{color:var(--indigo);}
.map-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-top:8px;height:220px;}
.map-frame iframe{width:100%;height:100%;border:0;}

form{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:grid;gap:18px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media(max-width:560px){ .form-row{grid-template-columns:1fr;} }
label{font-size:13.5px;font-weight:600;color:var(--indigo-dark);margin-bottom:6px;display:block;}
input,textarea,select{
  width:100%;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;
  font-family:'Inter',sans-serif;font-size:14.5px;background:#fff;color:var(--ink);
  transition:border-color .15s ease;
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--indigo);}
textarea{resize:vertical;min-height:110px;}
.form-note{font-size:13px;color:var(--ink-soft);}

/* ---------- Footer ---------- */
footer{background:var(--indigo-dark);color:#C7C9EE;padding:56px 0 28px;}
.footer-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:24px;}
.footer-logo-box{display:inline-block;background:#fff;padding:10px 16px;border-radius:10px;margin-bottom:16px;}
.footer-logo-box img{height:34px;width:auto;display:block;}
.footer-brand p{max-width:34ch;font-size:14px;color:#A9ACD9;}
.footer-contact{margin-top:16px;display:grid;gap:6px;}
.footer-contact a{font-size:14px;color:#C7C9EE;}
.footer-contact a:hover{color:#fff;}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap;}
.footer-col h5{color:#fff;font-size:14.5px;margin-bottom:14px;font-family:'Space Grotesk',sans-serif;}
.footer-col a{display:block;font-size:14px;color:#A9ACD9;margin-bottom:10px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#8F92C4;}

/* utility */
.stack-gap{display:grid;gap:16px;}
.center-text{text-align:center;}
.mt-40{margin-top:40px;}