/* ============================================
   SG-AUTOMATION — Feuille de style
   Palette : acier / ardoise / signal ambre
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --bg: #EEF2F9;
  --bg-panel: #FFFFFF;
  --bg-deep: #0B1E42;
  --bg-deep-2: #123067;
  --ink: #16233B;
  --ink-soft: #4C6280;
  --ink-faint: #8695AA;
  --line: #D2DEEC;
  --line-deep: rgba(255,255,255,0.14);
  --primary: #2F5FBE;
  --primary-deep: #1F3F82;
  --accent: #2FB8CE;
  --accent-deep: #1C8FA3;
  --accent-soft: rgba(47,184,206,0.14);
  --radius: 3px;
  --maxw: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter', sans-serif;
  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:'Space Grotesk', sans-serif;
  color:var(--ink);
  margin:0 0 .5em 0;
  font-weight:600;
  letter-spacing:-0.01em;
}
.mono{
  font-family:'JetBrains Mono', monospace;
}
.eyebrow{
  font-family:'JetBrains Mono', monospace;
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-deep);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:1.1em;
}
.eyebrow::before{
  content:"";
  width:22px; height:2px;
  background:var(--accent);
  display:inline-block;
}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}

@media (max-width:640px){
  .wrap{ padding:0 20px; }
}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

@keyframes chip-pulse{
  0%, 100%{ opacity:1; }
  50%{ opacity:0.35; }
}
.chip-status-dot{ animation:chip-pulse 2s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- HEADER ---------- */
header.site{
  position:sticky; top:0; z-index:100;
  background:rgba(238,242,249,0.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:8px 32px;
  max-width:var(--maxw); margin:0 auto;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-family:'Space Grotesk', sans-serif;
  font-weight:700; font-size:19px; letter-spacing:-0.01em;
  color:var(--ink);
}
.logo .mark{ width:30px; height:30px; }
.logo b{ color:var(--primary); }
.logo .dot{ color:var(--accent); }
.logo-img{ height:130px; width:auto; display:block; }
.logo-plate{
  display:inline-flex; align-items:center;
  background:var(--bg); border-radius:6px;
  padding:18px 24px; margin-bottom:16px;
}
.logo-plate .logo-img{ height:80px; }

.navlinks{ display:flex; align-items:center; gap:36px; }
.navlinks a{
  font-size:14.5px; font-weight:500; color:var(--ink-soft);
  position:relative; padding:6px 0;
  transition:color .2s ease;
}
.navlinks a:hover{ color:var(--ink); }
.navlinks a.active{ color:var(--primary); }
.navlinks a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px; background:var(--accent);
}
.nav-cta{
  display:flex; align-items:center; gap:20px;
}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Inter',sans-serif; font-weight:600; font-size:14.5px;
  padding:12px 22px; border-radius:var(--radius);
  border:1px solid transparent; cursor:pointer;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{ background:var(--primary); color:#fff; }
.btn-primary:hover{ background:var(--primary-deep); box-shadow:0 6px 18px rgba(31,63,130,.32); transform:translateY(-1px); }
.btn-accent{ background:var(--accent); color:var(--primary-deep); }
.btn-accent:hover{ background:var(--accent-deep); color:#fff; transform:translateY(-1px); }
.btn-ghost{ background:transparent; border-color:var(--line); color:var(--ink); }
.btn-ghost:hover{ border-color:var(--primary); color:var(--primary); }
.btn-ghost-dark{ background:transparent; border-color:var(--line-deep); color:#fff; }
.btn-ghost-dark:hover{ border-color:var(--accent); color:var(--accent); }

.burger{ display:none; }

@media (max-width: 900px){
  .navlinks{ display:none; }
  .nav-cta .btn-ghost{ display:none; }
}

/* ---------- SIGNAL DIVIDER (signature motif) ---------- */
.signal{
  width:100%; height:34px; display:block;
  color:var(--line);
}
.signal path{ stroke:currentColor; }
.signal.on-dark{ color:var(--line-deep); }

/* ---------- HERO ---------- */
.hero{
  position:relative;
  padding:86px 0 60px;
  overflow:hidden;
  background:
    linear-gradient(var(--bg) 0%, var(--bg) 100%);
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:44px 44px;
  opacity:.35;
  mask-image:linear-gradient(to bottom, black, transparent 75%);
  pointer-events:none;
}
.hero-grid{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.1fr .9fr; gap:50px; align-items:center;
}
@media (max-width:900px){ .hero-grid{ grid-template-columns:1fr; } }

.hero h1{
  font-size:clamp(32px, 4.4vw, 52px);
  line-height:1.08;
  max-width:16ch;
}
.hero h1 .accent{ color:var(--primary); }
.hero p.lead{
  color:var(--ink-soft); font-size:17.5px; max-width:46ch; margin:18px 0 30px;
}
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; }

.hero-visual{
  position:relative;
}

/* stat readout strip */
.readout{
  margin-top:56px;
  border-top:1px solid var(--line);
  padding-top:26px;
  display:grid; grid-template-columns:repeat(4,1fr); gap:18px;
}
@media (max-width:760px){ .readout{ grid-template-columns:repeat(2,1fr); } }
.readout .stat b{
  font-family:'JetBrains Mono', monospace; font-size:26px; color:var(--primary);
  display:block;
}
.readout .stat span{
  font-size:12.5px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.06em;
}

/* ---------- SECTION GENERIC ---------- */
section{ padding:88px 0; }
.section-head{ max-width:640px; margin-bottom:50px; }
.section-head h2{ font-size:clamp(26px,3vw,36px); }
.section-head p{ color:var(--ink-soft); font-size:16.5px; }
.section-alt{ background:var(--bg-panel); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

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

.card{
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 28px;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{ transform:translateY(-3px); box-shadow:0 14px 30px rgba(31,63,130,.12); border-color:#B9C9DD; }
.card .icon{ width:38px; height:38px; color:var(--primary); margin-bottom:18px; }
.card h3{ font-size:18.5px; margin-bottom:8px; }
.card p{ color:var(--ink-soft); font-size:15px; margin:0; }
.card .tag{
  display:inline-block; font-family:'JetBrains Mono',monospace; font-size:11px;
  color:var(--accent-deep); background:var(--accent-soft); padding:3px 8px; border-radius:2px;
  margin-bottom:14px; letter-spacing:.05em;
}

/* process steps */
.steps{ display:grid; grid-template-columns:repeat(5,1fr); gap:0; position:relative; }
@media (max-width:900px){ .steps{ grid-template-columns:1fr; gap:26px; } }
.step{ position:relative; padding:0 20px 0 0; }
.step:first-child{ padding-left:0; }
.step .num{
  font-family:'JetBrains Mono',monospace; color:var(--accent-deep);
  font-size:13px; margin-bottom:10px; display:block;
}
.step h4{ font-size:16px; margin-bottom:8px; }
.step p{ font-size:14px; color:var(--ink-soft); margin:0; }
.step::after{
  content:""; position:absolute; top:6px; right:-4px; width:8px; height:8px;
  border-radius:50%; background:var(--line);
}
.step:last-child::after{ display:none; }
@media (max-width:900px){ .step::after{ display:none; } }

/* dark band */
.band-dark{
  background:radial-gradient(1200px 400px at 15% -10%, rgba(47,184,206,0.14), transparent), var(--bg-deep);
  color:#fff;
}
.band-dark .ink-soft{ color:#9FB2C2; }
.band-dark h2{ color:#fff; }
.band-dark .section-head p{ color:#9FB2C2; }

.cta-banner{
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
}
.cta-banner h2{ margin-bottom:6px; }
.cta-banner p{ color:#9FB2C2; margin:0; max-width:44ch; }

/* footer */
footer.site{ background:var(--primary-deep); color:#cfe0ec; padding:60px 0 26px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; }
@media (max-width:800px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
.footer-grid h4{ color:#fff; font-size:14px; text-transform:uppercase; letter-spacing:.08em; margin-bottom:16px; font-family:'JetBrains Mono',monospace; font-weight:500; }
.footer-grid a, .footer-grid p{ color:#9FB2C2; font-size:14.5px; }
.footer-grid li{ margin-bottom:9px; }
.footer-grid a:hover{ color:var(--accent); }
.footer-bottom{
  margin-top:46px; padding-top:22px; border-top:1px solid rgba(255,255,255,.1);
  display:flex; justify-content:space-between; color:#7C93A5; font-size:12.5px; flex-wrap:wrap; gap:10px;
}

/* page hero (sous-pages) */
.page-hero{
  padding:64px 0 46px;
  background:var(--bg);
  position:relative;
}
.page-hero .wrap{ position:relative; z-index:1; }
.page-hero h1{ font-size:clamp(28px,4vw,42px); max-width:20ch; }
.page-hero p{ color:var(--ink-soft); max-width:56ch; font-size:16.5px; margin-top:14px; }

/* form */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column:1 / -1; }
.field label{ font-size:13px; font-weight:600; color:var(--ink); }
.field input, .field textarea, .field select{
  font-family:'Inter',sans-serif; font-size:15px; padding:12px 14px;
  border:1px solid var(--line); border-radius:var(--radius); background:#fff; color:var(--ink);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field textarea:focus, .field select:focus{
  border-color:var(--primary); box-shadow:0 0 0 3px rgba(47,95,190,.15); outline:none;
}
.field textarea{ resize:vertical; min-height:130px; }

.info-list{ display:flex; flex-direction:column; gap:22px; }
.info-item{ display:flex; gap:16px; }
.info-item .ic{ width:22px; height:22px; color:var(--accent-deep); flex:none; margin-top:2px; }
.info-item h4{ font-size:15px; margin-bottom:3px; }
.info-item p, .info-item a{ color:var(--ink-soft); font-size:14.5px; }

.value-badge{
  display:inline-flex; align-items:center; gap:8px; background:var(--accent-soft);
  color:var(--accent-deep); font-family:'JetBrains Mono',monospace; font-size:12px;
  padding:5px 10px; border-radius:2px; letter-spacing:.05em;
}

.timeline{ display:flex; flex-direction:column; }
.tl-item{ display:grid; grid-template-columns:110px 1fr; gap:24px; padding:26px 0; border-top:1px solid var(--line); }
.tl-item:first-child{ border-top:none; }
.tl-item .yr{ font-family:'JetBrains Mono',monospace; color:var(--primary); font-weight:600; }
.tl-item h4{ margin-bottom:6px; font-size:17px; }
.tl-item p{ margin:0; color:var(--ink-soft); font-size:14.5px; }

/* clients / références */
.clients-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:16px;
}
@media (max-width:900px){ .clients-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:480px){ .clients-grid{ grid-template-columns:1fr; } }
.client-tile{
  display:flex; align-items:center; justify-content:center;
  min-height:96px; padding:18px 20px;
  background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius);
  transition:border-color .2s ease, transform .2s ease;
}
.client-tile:hover{ border-color:var(--primary); transform:translateY(-2px); }
.client-tile img{ max-height:300px; max-width:100%; width:auto; object-fit:contain; }
.client-tile span{
  font-family:'Space Grotesk', sans-serif; font-weight:600; font-size:15px;
  color:var(--ink-soft); text-align:center; letter-spacing:.01em;
}
@media (max-width:640px){ .tl-item{ grid-template-columns:1fr; gap:6px; } }