/* =========================================================
   MAXIME LOBBÉ — design tokens
   ========================================================= */
:root{
  --bg:            #F5F7FA;
  --bg-alt:        #EAEEF4;
  --ink:           #101826;
  --ink-soft:      #526071;
  --line:          rgba(16,24,38,0.10);
  --steel:         #2E5CB8;
  --steel-deep:    #0B1526;
  --amber:         #4C8DFF;
  --amber-deep:    #2E5CB8;
  --signal:        #34D399;
  --alert:         #E0554A;
  --paper:         #FFFFFF;

  --font-display:  'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body:     'IBM Plex Sans', -apple-system, Segoe UI, sans-serif;
  --font-mono:     'IBM Plex Mono', 'Courier New', monospace;

  --radius: 3px;
  --container: 1180px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 .5em;
}
p{ margin: 0 0 1em; color: var(--ink-soft); }
.container{
  width:100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}
.mono{ font-family: var(--font-mono); }
.eyebrow{
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber-deep);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom: .9em;
}
.eyebrow::before{
  content:"";
  width: 22px; height: 1px;
  background: var(--amber-deep);
  display:inline-block;
}
:focus-visible{
  outline: 2px solid var(--steel);
  outline-offset: 3px;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.55em;
  font-family: var(--font-mono);
  font-size: .85rem;
  letter-spacing: .04em;
  padding: .95em 1.5em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary{ background: var(--amber); color: #fff; }
.btn-primary:hover{ background: var(--amber-deep); transform: translateY(-1px); }
.btn-ghost{ border-color: rgba(246,244,238,.35); color: var(--paper); }
.btn-ghost:hover{ border-color: var(--paper); background: rgba(255,255,255,.08); }
.btn-outline{ border-color: var(--steel); color: var(--steel); }
.btn-outline:hover{ background: var(--steel); color: var(--paper); }

/* =========== HEADER =========== */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(245,247,250,.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.logo{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -.01em;
  display:flex; align-items:baseline; gap:.5em; white-space:nowrap;
}
.logo span{
  font-family: var(--font-mono);
  font-weight:400;
  color: var(--amber-deep);
  font-size: .78rem;
}
.nav-links{
  display:flex; gap: 2.2rem;
  font-size: .92rem;
}
.nav-links a{
  position:relative; padding: 4px 0;
  color: var(--ink);
}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:0;
  width:0; height:1px; background: var(--steel);
  transition: width .2s ease;
}
.nav-links a:hover::after, .nav-links a[aria-current]::after{ width:100%; }
.header-actions{ display:flex; align-items:center; gap:1.2rem; }
.phone-link{ font-family: var(--font-mono); font-size:.88rem; display:none; }
.nav-toggle{
  display:none; background:none; border:none; cursor:pointer;
  width: 34px; height: 34px; position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; height:2px; width: 22px; background: var(--ink);
  position:absolute; left:6px; transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span{ top:16px; }
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }

@media (min-width: 861px){ .phone-link{ display:inline-flex; } }

@media (max-width: 860px){
  .nav-links{
    position:fixed; inset: 76px 0 0 0; height: calc(100vh - 76px);
    background: var(--bg); flex-direction:column; padding: 2rem 28px;
    gap: 1.4rem; font-size: 1.05rem;
    transform: translateX(100%); transition: transform .25s ease;
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-toggle{ display:block; }
  body.menu-open{ overflow:hidden; }
}

/* =========== HERO =========== */
.hero{
  background: linear-gradient(180deg, var(--steel-deep) 0%, #101B29 100%);
  color: var(--paper);
  position: relative;
  overflow:hidden;
}
.hero .container{
  display:grid; grid-template-columns: 1.05fr .95fr; gap: 3rem;
  align-items:center;
  padding-top: 5.5rem; padding-bottom: 4.5rem;
  position:relative; z-index: 2;
}
.hero h1{
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  color: var(--paper);
}
.hero h1 em{
  font-style:normal; color: var(--amber);
}
.hero p.lead{
  color: rgba(246,244,238,.78);
  font-size: 1.08rem;
  max-width: 46ch;
}
.hero-cta{ display:flex; gap: 1rem; margin-top: 1.8rem; flex-wrap:wrap; }
.hero-meta{
  margin-top: 2.6rem; display:flex; gap: 1.8rem; flex-wrap:wrap;
  font-family: var(--font-mono); font-size:.78rem; color: rgba(246,244,238,.55);
}
.hero-meta strong{ color: var(--amber); display:block; font-size:.95rem; font-family: var(--font-body); font-weight:600; }

@media (max-width: 900px){
  .hero .container{ grid-template-columns: 1fr; padding-top: 3rem; }
  .hero-art{ order:-1; max-width: 380px; margin: 0 auto; }
}

/* =========== HERO PHOTO / ILLUSTRATION =========== */
.hero-art{ position:relative; }
.hero-illu{
  width:100%; height:auto; display:block;
  filter: drop-shadow(0 30px 50px rgba(0,0,0,.45));
}
.hero-photo-tag{
  position:absolute; left: 16px; bottom: -6px;
  background: rgba(11,21,38,.85); backdrop-filter: blur(4px);
  color: var(--paper); font-size:.75rem; padding: .5em .9em;
  border-radius: 999px; border: 1px solid rgba(255,255,255,.15);
}
@media (max-width: 900px){ .hero-photo-tag{ bottom: 6px; } }

/* =========== BANDEAU CTA MOBILE FIXE =========== */
.mobile-cta-bar{
  display:none; position: fixed; left:0; right:0; bottom:0; z-index: 70;
  background: var(--paper); border-top: 1px solid var(--line);
  box-shadow: 0 -10px 30px rgba(16,24,38,.12);
}
.mobile-cta-bar .container{ display:flex; gap:.7rem; padding: .65rem 16px; }
.mobile-cta-bar a{
  flex:1; text-align:center; padding: .85em .5em; border-radius: var(--radius);
  font-family: var(--font-mono); font-size:.82rem; display:flex; align-items:center;
  justify-content:center; gap:.5em;
}
.mobile-cta-bar .call{ background: var(--steel-deep); color:#fff; }
.mobile-cta-bar .quote{ background: var(--amber); color:#fff; }
.mobile-cta-bar svg{ width:16px; height:16px; flex-shrink:0; }
@media (max-width: 700px){
  .mobile-cta-bar{ display:block; }
  body{ padding-bottom: 66px; }
}

/* =========== ENCART COLLECTIVITÉS / B2B =========== */
.pro-callout{
  background: var(--steel-deep); color: var(--paper); border-radius: var(--radius);
  padding: 1.8rem 2rem; margin: 2.4rem 0;
}
.pro-callout h4{ color: var(--paper); font-size: 1.05rem; margin-bottom:.6rem; }
.pro-callout p{ color: rgba(246,244,238,.75); margin-bottom: 1.2rem; font-size:.95rem; }
.pro-callout .btn-primary{ background: var(--amber); }

/* =========== HUB SERVICES (page services.html) =========== */
.hub-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); margin-top: 1rem;
}
@media (max-width: 900px){ .hub-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px){ .hub-grid{ grid-template-columns: 1fr; } }

/* =========== SECTIONS GÉNÉRIQUES =========== */
section{ padding: 5.5rem 0; }
.section-head{ max-width: 640px; margin-bottom: 3rem; }
.section-alt{ background: var(--bg-alt); }
.section-dark{ background: var(--steel-deep); color: var(--paper); }
.section-dark p{ color: rgba(246,244,238,.72); }
.section-dark h2{ color: var(--paper); }

/* =========== GRID SERVICES =========== */
.services-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.service-card{
  background: var(--paper); padding: 2.2rem 1.9rem;
  position:relative; overflow:hidden;
  transition: background .2s ease;
}
.service-card::before{
  content:""; position:absolute; top:0; left:0; right:0; height:2px;
  background: var(--amber); transform: scaleX(0); transform-origin:left;
  transition: transform .25s ease;
}
.service-card:hover::before{ transform: scaleX(1); }
.service-card:hover{ background: var(--bg-alt); }
.service-icon{ width:36px; height:36px; color: var(--steel); margin-bottom:1.1rem; }
.service-card h3{ font-size:1.08rem; margin-bottom:.5rem; }
.service-card p{ font-size:.92rem; margin-bottom: 1rem; }
.service-card .tag{
  font-family: var(--font-mono); font-size: .72rem; color: var(--amber-deep);
  letter-spacing:.06em; text-transform:uppercase;
}
.service-card .more{
  font-family: var(--font-mono); font-size:.8rem; color: var(--steel);
  display:inline-flex; gap:.4em; margin-top: .4em;
}
@media (max-width: 900px){ .services-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px){ .services-grid{ grid-template-columns: 1fr; } }

/* =========== SERVICE CARD ILLUSTRATION =========== */
.service-photo{
  margin: -2.2rem -1.9rem 1.2rem; height: 130px;
  display:flex; align-items:center; justify-content:center;
}
.service-photo svg{ width: 130px; height: auto; }
.service-photo.accent-energie{ background: linear-gradient(150deg, #EAF1FF, #F5F7FA); }
.service-photo.accent-reseau{ background: linear-gradient(150deg, #E9F2FF, #F5F7FA); }
.service-photo.accent-securite{ background: linear-gradient(150deg, #FDECEA, #F5F7FA); }
.service-photo.accent-digital{ background: linear-gradient(150deg, #EAF6F0, #F5F7FA); }

/* =========== PROCESS =========== */
.process{ display:grid; grid-template-columns: repeat(4,1fr); gap: 2rem; }
.process-step{ border-top: 1px solid var(--line); padding-top: 1.4rem; }
.process-step .num{ font-family: var(--font-mono); color: var(--amber-deep); font-size:.85rem; }
.process-step h4{ font-size: 1.02rem; margin: .5rem 0 .4rem; }
.process-step p{ font-size: .9rem; }
@media (max-width: 860px){ .process{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px){ .process{ grid-template-columns: 1fr; } }

/* =========== À PROPOS =========== */
.about-wrap{ display:grid; grid-template-columns: .8fr 1.2fr; gap: 3.2rem; align-items:center; }
.about-photo img{
  width:100%; aspect-ratio: 5/6; object-fit:cover; border-radius: 8px;
  box-shadow: 0 24px 50px -25px rgba(16,24,38,.35);
}
.placeholder-photo{
  aspect-ratio: 5/6; border-radius: 8px; background: var(--bg-alt);
  border: 1px dashed var(--line);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap: .8rem;
}
.placeholder-photo svg{ width: 90px; opacity:.5; }
.placeholder-photo span{ font-size:.78rem; color: var(--ink-soft); }
.check-list{ margin: 1.6rem 0; }
.check-list li{
  display:flex; align-items:flex-start; gap:.7em; padding: .5em 0;
  font-size: .95rem; color: var(--ink-soft);
}
.check-list li::before{
  content:"✓"; color: var(--signal); font-weight:700; flex-shrink:0;
  width: 20px; height:20px; border-radius:50%; background: rgba(52,211,153,.12);
  display:flex; align-items:center; justify-content:center; font-size:.75rem;
}
@media (max-width: 780px){ .about-wrap{ grid-template-columns: 1fr; } .about-photo{ max-width: 320px; } }

/* =========== ZONE / MAP =========== */
.zone-wrap{ display:grid; grid-template-columns: .95fr 1.05fr; gap: 3rem; align-items:center; }
.zone-map{ background: var(--steel-deep); border-radius: var(--radius); padding: 2rem; }
.zone-map svg{ width:100%; height:auto; }
.zone-list{ display:flex; flex-wrap:wrap; gap: .6rem; margin-top: 1.4rem; }
.zone-pill{
  font-family: var(--font-mono); font-size: .78rem; padding: .45em .85em;
  border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft);
}
@media (max-width: 860px){ .zone-wrap{ grid-template-columns: 1fr; } }

/* =========== TÉMOIGNAGES =========== */
.testi-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; }
.testi-card{
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; font-size: .92rem;
}
.testi-card .quote{ color: var(--ink-soft); font-style: italic; min-height: 4.5em; }
.testi-card .who{ margin-top: 1rem; font-family: var(--font-mono); font-size: .78rem; color: var(--steel); }
@media (max-width: 860px){ .testi-grid{ grid-template-columns: 1fr; } }

/* =========== FAQ ACCORDION =========== */
.faq-list{ max-width: 780px; }
.faq-item{ border-top: 1px solid var(--line); }
.faq-item:last-child{ border-bottom: 1px solid var(--line); }
.faq-item summary{
  cursor:pointer; list-style:none; padding: 1.3rem 0; font-family: var(--font-display);
  font-weight:600; font-size: 1.02rem; display:flex; justify-content:space-between; gap: 1rem;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; font-family: var(--font-mono); color: var(--steel); font-size:1.3rem; flex-shrink:0; }
.faq-item[open] summary::after{ content:"–"; }
.faq-item p{ padding-bottom: 1.3rem; margin:0; max-width: 62ch; }

/* =========== CTA BAND =========== */
.cta-band{
  background: var(--amber); color: #fff;
  padding: 3.4rem 0;
}
.cta-band .container{
  display:flex; align-items:center; justify-content:space-between; gap:2rem; flex-wrap:wrap;
}
.cta-band h2{ margin:0; font-size: 1.7rem; color: #fff; }
.cta-band .btn-primary{ background: var(--steel-deep); color: var(--paper); }
.cta-band .btn-primary:hover{ background: #0d1826; }

/* =========== FOOTER =========== */
.site-footer{ background: var(--steel-deep); color: rgba(246,244,238,.75); padding: 4rem 0 2rem; }
.footer-grid{
  display:grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 2.5rem;
  padding-bottom: 2.5rem; border-bottom: 1px solid rgba(246,244,238,.12);
}
.footer-grid h5{
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .08em;
  text-transform:uppercase; color: var(--amber); margin: 0 0 1em;
}
.footer-grid ul li{ margin-bottom: .55em; font-size: .92rem; }
.footer-grid a:hover{ color: var(--paper); }
.footer-bottom{
  display:flex; justify-content:space-between; padding-top: 1.6rem;
  font-size: .8rem; font-family: var(--font-mono); flex-wrap:wrap; gap:.8rem;
}
@media (max-width: 780px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }

/* =========== PAGE HEADER (pages internes) =========== */
.page-hero{
  background: var(--steel-deep); color: var(--paper); padding: 4rem 0 3.2rem;
}
.page-hero h1{ color: var(--paper); font-size: clamp(1.8rem, 3.4vw, 2.6rem); max-width: 30ch; }
.page-hero p{ color: rgba(246,244,238,.72); max-width: 60ch; }
.breadcrumb{
  font-family: var(--font-mono); font-size: .78rem; color: rgba(246,244,238,.5);
  margin-bottom: 1.4rem;
}
.breadcrumb a{ color: var(--amber); }

/* =========== SERVICE DETAIL =========== */
.service-detail{
  display:grid; grid-template-columns: 1fr; gap: 1.2rem;
  padding: 3.6rem 0; border-top: 1px solid var(--line);
}
.service-detail:first-of-type{ border-top:none; }
.service-detail-head{ display:flex; align-items:center; gap: 1rem; margin-bottom:.6rem; }
.service-detail-head .num{ font-family: var(--font-mono); color: var(--amber-deep); }
.service-body{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 2.6rem; }
.feature-list li{
  padding: .6em 0; border-top: 1px solid var(--line); font-size: .95rem;
  display:flex; gap:.7em;
}
.feature-list li:first-child{ border-top:none; }
.feature-list li::before{ content:"—"; color: var(--amber-deep); flex-shrink:0; }
.service-aside{
  background: var(--bg-alt); border-radius: var(--radius); padding: 1.6rem;
  font-size: .9rem; height: fit-content;
}
.service-aside h4{ font-size: .95rem; margin-bottom:.6rem; }
@media (max-width: 780px){ .service-body{ grid-template-columns: 1fr; } }

/* =========== FORM (contact) =========== */
.contact-wrap{ display:grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.field{ margin-bottom: 1.2rem; }
.field label{
  display:block; font-family: var(--font-mono); font-size: .78rem;
  letter-spacing:.05em; text-transform:uppercase; margin-bottom:.5em; color: var(--ink-soft);
}
.field input, .field textarea, .field select{
  width:100%; border: 1px solid var(--line); background: var(--paper);
  padding: .8em .9em; font-family: var(--font-body); font-size: .95rem;
  border-radius: var(--radius); color: var(--ink);
}
.field input:focus, .field textarea:focus{ border-color: var(--steel); outline:none; }
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-info li{
  display:flex; gap: 1rem; padding: 1.1rem 0; border-top: 1px solid var(--line);
}
.contact-info li:first-child{ border-top:none; }
.contact-info .ico{ width:20px; height:20px; color: var(--steel); flex-shrink:0; margin-top:.15em; }
.contact-info strong{ display:block; font-size:.85rem; }
.contact-info span{ font-size: .88rem; color: var(--ink-soft); }
@media (max-width: 780px){ .contact-wrap, .field-row{ grid-template-columns: 1fr; } }

/* =========== LEGAL =========== */
.legal h2{ font-size: 1.2rem; margin-top: 2.2rem; }
.legal p, .legal li{ font-size: .95rem; }

/* utility */
.text-center{ text-align:center; }
.mt-lg{ margin-top: 3rem; }