/* ==========================================================================
   Prestatech — design system
   Bleu de marque #0090D8 conservé du logo existant.
   ========================================================================== */

:root{
  --brand:#0090D8;
  --brand-dark:#0B3A57;
  --brand-darker:#061F30;
  --brand-tint:#E3F0F8;
  --brand-tint-2:#F2F8FC;

  --ink:#12181D;
  --ink-soft:#4B5560;
  --ink-faint:#7A8590;

  --paper:#FFFFFF;
  --paper-alt:#F2F4F6;
  --line:#DDE3E8;
  --line-strong:#B9C3CA;

  --ok:#2F7A52;
  --crit:#A33A34;

  --radius:8px;
  --shadow: 0 1px 2px rgba(18,24,29,0.06), 0 12px 32px -16px rgba(11,58,87,0.28);
  --container: 1180px;

  --font-display:'Big Shoulders Display', 'Arial Narrow', sans-serif;
  --font-body:'Newsreader', Georgia, 'Times New Roman', serif;
  --font-mono:'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:18px;
  line-height:1.6;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  text-transform:uppercase;
  font-weight:800;
  letter-spacing:0.01em;
  line-height:0.98;
  margin:0 0 0.5em;
  text-wrap:balance;
  color:var(--ink);
}
h1{ font-size:clamp(36px,5.5vw,60px); }
h2{ font-size:clamp(26px,3.6vw,38px); }
h3{ font-size:20px; }

p{ margin:0 0 1em; max-width:65ch; }
a{ color:var(--brand-dark); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:3px solid var(--brand); outline-offset:2px;
}

.container{ max-width:var(--container); margin:0 auto; padding:0 24px; }
.eyebrow{
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--brand-dark); font-weight:600;
  display:inline-block; margin-bottom:14px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:14px; font-weight:600;
  text-transform:uppercase; letter-spacing:0.04em;
  padding:13px 22px; border-radius:6px; text-decoration:none;
  border:1px solid transparent; cursor:pointer; transition:background .15s,color .15s,border-color .15s;
}
.btn-primary{ background:var(--brand); color:#fff; }
.btn-primary:hover{ background:#0079B3; }
.btn-ghost{ background:transparent; color:var(--paper); border-color:rgba(255,255,255,0.5); }
.btn-ghost:hover{ border-color:#fff; }
.btn-outline{ background:transparent; color:var(--brand-dark); border-color:var(--line-strong); }
.btn-outline:hover{ border-color:var(--brand-dark); }
.btn-invert{ background:#fff; color:var(--brand-dark); }
.btn-invert:hover{ background:#EAF5FC; }

/* ---------- header / nav ---------- */
header.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,0.92); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-row{ display:flex; align-items:center; justify-content:space-between; padding:16px 0; }
.brand-mark{ display:flex; align-items:center; gap:10px; text-decoration:none; }
.brand-mark .brand-logo{ height:34px; width:auto; display:block; }
.brand-mark .logotype{
  font-family:var(--font-display); font-weight:800; font-size:22px;
  color:var(--ink); letter-spacing:0.02em;
}
.brand-mark .logotype b{ color:var(--brand); }
nav.primary-nav ul{ list-style:none; display:flex; gap:30px; margin:0; padding:0; }
nav.primary-nav a{
  font-family:var(--font-mono); font-size:13px; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--ink-soft); text-decoration:none; font-weight:600; padding:6px 0; border-bottom:2px solid transparent;
}
nav.primary-nav a:hover, nav.primary-nav a[aria-current="page"]{ color:var(--brand-dark); border-bottom-color:var(--brand); }
.nav-actions{ display:flex; align-items:center; gap:18px; }
.nav-cta{ display:none; }
@media (min-width:860px){ .nav-cta{ display:inline-flex; } }

.menu-toggle{
  display:none; background:none; border:1px solid var(--line-strong); border-radius:6px;
  width:42px; height:38px; align-items:center; justify-content:center; cursor:pointer;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after{
  content:""; display:block; width:20px; height:2px; background:var(--ink); position:relative; transition:transform .2s;
}
.menu-toggle span::before{ position:absolute; top:-6px; }
.menu-toggle span::after{ position:absolute; top:6px; }

@media (max-width:859px){
  .menu-toggle{ display:flex; }
  nav.primary-nav{
    position:absolute; top:100%; left:0; right:0; background:var(--paper);
    border-bottom:1px solid var(--line); box-shadow:var(--shadow);
    max-height:0; overflow:hidden; transition:max-height .25s ease;
  }
  nav.primary-nav.open{ max-height:400px; }
  nav.primary-nav ul{ flex-direction:column; gap:0; padding:8px 24px 20px; }
  nav.primary-nav a{ display:block; padding:12px 0; border-bottom:1px solid var(--line); }
}

/* ---------- hero ---------- */
.hero{
  background:linear-gradient(160deg, var(--brand-dark) 0%, var(--brand-darker) 100%);
  color:#fff; padding:88px 0 100px; position:relative; overflow:hidden;
}
.hero .container{ position:relative; z-index:1; }
.hero .eyebrow{ color:#BFE3F7; }
.hero h1{ color:#fff; max-width:15ch; }
.hero .lede{ color:#D7E6EF; font-style:italic; font-size:20px; max-width:52ch; margin-top:18px; }
.hero .actions{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }

/* ---------- pillars ---------- */
.pillars{ padding:80px 0; }
.pillars .grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:44px; }
.pillar{ background:var(--paper); padding:32px 28px; }
.pillar .num{ font-family:var(--font-mono); color:var(--brand); font-size:13px; }
.pillar h3{ margin:14px 0 10px; }
.pillar p{ color:var(--ink-soft); font-size:16px; margin:0; }

/* ---------- about teaser ---------- */
.about-teaser{ background:var(--paper-alt); padding:80px 0; }
.about-teaser .row{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:start; }
@media (max-width:820px){ .about-teaser .row{ grid-template-columns:1fr; } }
.fact-list{ list-style:none; margin:0; padding:0; display:grid; gap:16px; }
.fact-list li{ font-family:var(--font-mono); font-size:14px; color:var(--ink-soft); padding:14px 0; border-top:1px solid var(--line); }
.fact-list li:last-child{ border-bottom:1px solid var(--line); }
.fact-list b{ color:var(--ink); font-weight:600; }

/* ---------- trust / client wall ---------- */
.trust{ padding:70px 0; text-align:center; }
.client-wall{
  list-style:none; margin:36px 0 0; padding:24px;
  display:grid; grid-template-columns:repeat(auto-fit, minmax(130px,1fr)); gap:14px;
  border:1px solid var(--line); border-radius:var(--radius); background:var(--paper-alt);
}
.client-wall li{
  display:flex; align-items:center; justify-content:center;
  background:#fff; border:1px solid var(--line); border-radius:10px;
  padding:14px 18px; min-height:72px;
  transition:box-shadow .15s, border-color .15s;
}
.client-wall li:hover{ box-shadow:var(--shadow); border-color:var(--line-strong); }
.client-wall img{
  max-height:42px; max-width:100%; width:auto; object-fit:contain;
  filter:grayscale(1); opacity:0.82; transition:filter .2s, opacity .2s;
}
.client-wall li:hover img{ filter:grayscale(0); opacity:1; }
.client-wall span{
  display:none;
  font-family:var(--font-display); font-weight:700; text-transform:uppercase;
  letter-spacing:0.03em; font-size:17px; color:var(--ink-soft);
}

/* ---------- CTA band ---------- */
.cta-band{ background:var(--brand); color:#fff; padding:64px 0; text-align:center; }
.cta-band h2{ color:#fff; }
.cta-band p{ color:#E3F3FC; margin:0 auto 26px; }

/* ---------- footer ---------- */
footer.site-footer{ background:var(--brand-darker); color:#C9D6DE; padding:56px 0 30px; }
footer.site-footer .grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; }
@media (max-width:700px){ footer.site-footer .grid{ grid-template-columns:1fr; } }
footer.site-footer h4{ color:#fff; font-size:14px; letter-spacing:0.06em; margin-bottom:14px; }
footer.site-footer a{ color:#C9D6DE; text-decoration:none; font-family:var(--font-mono); font-size:14px; }
footer.site-footer a:hover{ color:#fff; }
footer.site-footer ul{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
footer.site-footer .bottom{
  margin-top:44px; padding-top:24px; border-top:1px solid rgba(255,255,255,0.12);
  font-family:var(--font-mono); font-size:12.5px; color:#8FA1AC;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}

/* ---------- generic page header (inner pages) ---------- */
.page-header{ background:var(--brand-darker); color:#fff; padding:64px 0 56px; }
.page-header h1{ color:#fff; max-width:20ch; }
.page-header .lede{ color:#CFE3ED; font-style:italic; max-width:56ch; margin-top:14px; }

.section{ padding:70px 0; }
.section-alt{ background:var(--paper-alt); }
.section h2{ margin-bottom:14px; }
.section .lede{ font-style:italic; color:var(--ink-soft); font-size:19px; max-width:60ch; }

.card-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:32px; }
.card{ background:var(--paper); padding:26px; }
.card h3{ font-size:18px; margin-bottom:8px; }
.card p{ color:var(--ink-soft); font-size:15.5px; margin:0; }

.placeholder-note{
  font-family:var(--font-mono); font-size:12.5px; color:var(--ink-faint);
  border-left:2px solid var(--line-strong); padding:6px 0 6px 12px; margin:18px 0;
}

/* ---------- contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; margin-top:16px; }
@media (max-width:820px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-info dl{ margin:0; }
.contact-info dt{ font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:0.06em; color:var(--ink-faint); margin-top:22px; }
.contact-info dd{ margin:6px 0 0; font-size:18px; }
.map-embed{
  margin-top:28px; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
  box-shadow:var(--shadow);
}
.map-embed iframe{ width:100%; height:280px; border:0; display:block; }
form.contact-form{ display:grid; gap:16px; }
form.contact-form label{ font-family:var(--font-mono); font-size:12.5px; text-transform:uppercase; letter-spacing:0.05em; color:var(--ink-soft); display:block; margin-bottom:6px; }
form.contact-form input, form.contact-form textarea{
  width:100%; font-family:var(--font-body); font-size:16px; padding:12px 14px;
  border:1px solid var(--line-strong); border-radius:6px; background:var(--paper); color:var(--ink);
}
form.contact-form textarea{ min-height:140px; resize:vertical; }