/* ============================================================
   SIMUS-SA — Design tokens
   Signature: diagonal cut sections + circular photo frames,
   echoing the company's own brochure identity.
   ============================================================ */
:root{
  --primary:      #224181;   /* Bleu institutionnel */
  --primary-dark: #172c59;
  --primary-light:#3a5aa3;
  --accent:       #ee332e;   /* Rouge SIMUS */
  --accent-dark:  #c41f1b;
  --bg:           #f5f6f8;   /* Gris très clair, froid */
  --surface:      #ffffff;
  --line:         #e2e5eb;
  --ink:          #14161c;
  --ink-soft:     #5b6270;
  --radius: 2px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter', -apple-system, sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.font-display{
  font-family:'Space Grotesk', 'Inter', sans-serif;
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--primary-dark);
  margin:0;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'Space Grotesk',sans-serif;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;font-weight:600;font-size:15px;
  font-family:'Space Grotesk',sans-serif;
  border-radius:var(--radius);border:1.5px solid transparent;
  cursor:pointer;transition:transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline-dark{background:transparent;color:var(--primary-dark);border-color:var(--line);}
.btn-outline-dark:hover{border-color:var(--primary);color:var(--primary);}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(245,246,248,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;}
.logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:22px;color:var(--primary-dark);}
.logo .mark{width:34px;height:34px;flex-shrink:0;}
.nav-links{display:flex;align-items:center;gap:34px;}
.nav-links a{
  font-size:14.5px;font-weight:500;color:var(--ink);position:relative;padding:6px 0;
}
.nav-links a:hover{color:var(--primary);}
.nav-links .has-dropdown{position:relative;}
.dropdown{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%);
  background:#fff;border:1px solid var(--line);min-width:250px;
  box-shadow:0 18px 40px rgba(20,22,28,.12);
  opacity:0;visibility:hidden;translate:0 8px;
  transition:opacity .2s ease, translate .2s ease, visibility .2s ease;
  padding:8px;z-index:50;
}
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;translate:0 0;}
.dropdown a{display:flex;flex-direction:column;padding:10px 14px;font-size:14px;border-radius:2px;}
.dropdown a:hover{background:var(--bg);}
.dropdown a small{color:var(--ink-soft);font-weight:400;font-size:12.5px;}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px;}
.burger span{width:24px;height:2px;background:var(--primary-dark);display:block;transition:.3s;}
.mobile-menu{
  display:none;flex-direction:column;background:#fff;border-top:1px solid var(--line);
  padding:10px 24px 24px;
}
.mobile-menu a{padding:12px 0;border-bottom:1px solid var(--line);font-weight:500;}
.mobile-menu.open{display:flex;}

@media (max-width:920px){
  .nav-links{display:none;}
  .burger{display:flex;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:flex-end;
  background:linear-gradient(160deg,var(--primary-dark) 0%,var(--primary) 55%,var(--primary) 100%);
  overflow:hidden;color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:var(--hero-img);
  background-size:cover;background-position:center;
  opacity:.32;mix-blend-mode:luminosity;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(23,44,89,.15) 0%, rgba(23,44,89,.92) 100%);
}
.hero-diag{
  position:absolute;right:-10%;top:0;bottom:0;width:60%;
  background:var(--accent);
  clip-path:polygon(38% 0, 100% 0, 100% 100%, 8% 100%);
  opacity:.14;
}
.hero-content{position:relative;z-index:2;padding:120px 0 100px;width:100%;}
.hero h1{
  font-size:clamp(2.4rem,5.2vw,4.4rem);color:#fff;line-height:1.05;max-width:820px;margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero p.lead{font-size:19px;max-width:560px;color:rgba(255,255,255,.85);margin-bottom:38px;font-weight:400;}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;}

/* diagonal section transitions (the signature) */
.cut-top{
  position:relative;
}
.cut-top::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:90px;
  background:var(--bg);
  clip-path:polygon(0 100%, 100% 0, 100% 100%);
  z-index:3;
}
.section{padding:110px 0;position:relative;}
.section-tight{padding:80px 0;}
.section-navy{background:var(--primary-dark);color:#fff;}
.section-navy h2, .section-navy h3{color:#fff;}
.section-surface{background:var(--surface);}

/* ---------- Value cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:1fr 1fr;}
  .grid-2{grid-template-columns:1fr;}
}
@media (max-width:620px){
  .grid-3,.grid-4{grid-template-columns:1fr;}
}

.card{
  background:var(--surface);border:1px solid var(--line);padding:34px 28px;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(20,30,60,.08);border-color:transparent;}
.card .num{
  font-family:'Space Grotesk',sans-serif;font-size:13px;font-weight:700;color:var(--accent);
  letter-spacing:.08em;margin-bottom:16px;display:block;
}
.card h3{font-size:20px;margin-bottom:10px;}
.card p{color:var(--ink-soft);font-size:14.5px;margin:0;}
.icon-badge{
  width:52px;height:52px;border-radius:50%;background:rgba(34,65,129,.08);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--primary);
}
.icon-badge svg{width:24px;height:24px;}

/* pole cards (3 pôles) */
.pole-card{
  position:relative;overflow:hidden;background:var(--primary-dark);color:#fff;
  min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;padding:36px;
  border-radius:var(--radius);
}
.pole-card::before{
  content:"";position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55;
}
.pole-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(23,44,89,.05), rgba(10,16,33,.95));}
.pole-card .pole-inner{position:relative;z-index:2;}
.pole-card .eyebrow{color:var(--accent);}
.pole-card h3{color:#fff;font-size:26px;margin-bottom:10px;}
.pole-card p{color:rgba(255,255,255,.78);font-size:14.5px;margin-bottom:20px;}
.pole-card .pole-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;color:#fff;
  border-bottom:1.5px solid var(--accent);padding-bottom:3px;transition:gap .2s;
}
.pole-card:hover .pole-link{gap:14px;}

/* ---------- Circular photo frame (brochure motif) ---------- */
.circle-frame{
  border-radius:50%;overflow:hidden;border:6px solid var(--surface);
  box-shadow:0 20px 50px rgba(20,30,60,.18);
  width:260px;height:260px;
}
.circle-frame img{width:100%;height:100%;object-fit:cover;}

/* ---------- Stats ---------- */
.stat{text-align:left;}
.stat .figure{
  font-family:'Space Grotesk',sans-serif;font-size:clamp(2.2rem,4vw,3.4rem);font-weight:700;color:#fff;line-height:1;
}
.stat .figure .accent{color:var(--accent);}
.stat .label{color:rgba(255,255,255,.7);font-size:14px;margin-top:10px;}

/* ---------- Steps ---------- */
.step{display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);}
.step:last-child{border-bottom:none;}
.step .step-num{
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:22px;color:var(--accent);flex-shrink:0;width:46px;
}
.step h4{font-size:17px;margin-bottom:6px;}
.step p{color:var(--ink-soft);font-size:14.5px;margin:0;}

/* ---------- Checklist ---------- */
.checklist{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;}
@media (max-width:620px){.checklist{grid-template-columns:1fr;}}
.checklist li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-soft);}
.checklist li svg{flex-shrink:0;margin-top:3px;color:var(--accent);width:16px;height:16px;}

/* ---------- Testimonial / logos ---------- */
.logo-row{display:flex;flex-wrap:wrap;gap:0;align-items:center;justify-content:space-between;opacity:.75;}
.logo-row div{
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:15px;color:var(--ink-soft);
  padding:14px 22px;border-right:1px solid var(--line);flex:1;text-align:center;
}
.logo-row div:last-child{border-right:none;}
@media (max-width:800px){.logo-row div{border-right:none;flex:1 1 45%;padding:14px;}}

.testimonial{
  background:var(--surface);border-left:3px solid var(--accent);padding:32px 34px;font-size:16px;color:var(--ink);
}
.testimonial p{margin:0 0 16px;font-style:italic;}
.testimonial .who{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:14px;color:var(--primary);font-style:normal;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;background:var(--primary-dark);color:#fff;padding:90px 0;overflow:hidden;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:-10%;width:50%;height:100%;
  background:var(--accent);opacity:.1;clip-path:polygon(20% 0,100% 0,80% 100%,0 100%);
}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,3.4vw,2.8rem);max-width:700px;margin:0 auto 30px;}

/* ---------- Footer ---------- */
footer{background:var(--primary-dark);color:rgba(255,255,255,.75);padding:70px 0 26px;}
footer h4{color:#fff;font-size:15px;margin-bottom:18px;}
footer a{color:rgba(255,255,255,.68);font-size:14.5px;}
footer a:hover{color:var(--accent);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-bottom{display:flex;justify-content:space-between;padding-top:24px;font-size:13px;flex-wrap:wrap;gap:10px;}
.footer-logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:20px;color:#fff;margin-bottom:14px;}

/* ---------- Page header (inner pages) ---------- */
.page-hero{
  background:var(--primary-dark);color:#fff;padding:170px 0 90px;position:relative;overflow:hidden;
}
.page-hero .hero-diag{opacity:.16;}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.2vw,3.2rem);max-width:760px;}
.page-hero p{color:rgba(255,255,255,.78);max-width:560px;font-size:17px;margin-top:16px;}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:18px;}
.breadcrumb a:hover{color:#fff;}

/* ---------- Forms ---------- */
.form-field{margin-bottom:22px;}
.form-field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:var(--primary-dark);font-family:'Space Grotesk',sans-serif;}
.form-field input, .form-field select, .form-field textarea{
  width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:var(--radius);
  font-family:'Inter',sans-serif;font-size:15px;background:#fff;color:var(--ink);transition:border-color .2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none;border-color:var(--primary);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:620px){.form-row{grid-template-columns:1fr;}}
.form-note{font-size:13px;color:var(--ink-soft);margin-top:6px;}
#form-status{margin-top:18px;font-size:14.5px;padding:14px 16px;border-radius:var(--radius);display:none;}
#form-status.ok{display:block;background:rgba(34,65,129,.08);color:var(--primary-dark);border:1px solid rgba(34,65,129,.2);}
#form-status.err{display:block;background:rgba(238,51,46,.08);color:var(--accent-dark);border:1px solid rgba(238,51,46,.25);}

/* ---------- Contact info list ---------- */
.contact-info{display:flex;flex-direction:column;gap:26px;}
.contact-info .item{display:flex;gap:16px;align-items:flex-start;}
.contact-info .icon-badge{margin:0;flex-shrink:0;background:rgba(238,51,46,.08);color:var(--accent);}
.contact-info h4{font-size:15px;margin-bottom:4px;}
.contact-info p{margin:0;color:var(--ink-soft);font-size:14.5px;}
.map-frame{width:100%;height:260px;border:0;filter:grayscale(.2);margin-top:10px;}

/* ---------- Anchored sub-service blocks ---------- */
.subservice{padding:70px 0;border-top:1px solid var(--line);scroll-margin-top:100px;}
.subservice:first-of-type{border-top:none;}
.subservice-head{display:flex;align-items:center;gap:18px;margin-bottom:24px;}
.subservice-head .icon-badge{margin:0;}
.equip-tag{
  display:inline-block;background:var(--bg);border:1px solid var(--line);padding:7px 14px;font-size:13px;
  margin:0 8px 8px 0;color:var(--ink-soft);border-radius:20px;
}

/* ---------- Anim on scroll ---------- */
.reveal{opacity:0;translate:0 24px;transition:opacity .7s ease, translate .7s ease;}
.reveal.in{opacity:1;translate:0 0;}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{transition:none;opacity:1;translate:0 0;}
  .btn:hover, .card:hover{transform:none;}
}

/* ---------- Focus visibility ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2.5px solid var(--accent);outline-offset:2px;
}

/* ---------- Counter section bg pattern ---------- */
.pattern-dots{
  background-image: radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px);
  background-size: 22px 22px;
}