/* ==========================================================================
   ImEdge — Design tokens
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@500&family=Poppins:wght@500;600;700&display=swap');

:root{
  --ink:        #0B2A4D;   /* bleu ImEdge — titres, structure, nav */
  --deep:       #163A63;   /* bleu profond — fonds sombres, dégradés */
  --paper:      #FAFAF8;   /* fond principal */
  --paper-dim:  #F1F0EA;   /* fond de section alterné */
  --halo:       #E8B23D;   /* jaune halo — accent rare */
  --charcoal:   #1C1F24;   /* texte principal */
  --slate:      #5B6472;   /* texte secondaire */
  --line:       rgba(11,42,77,0.12);

  --serif: 'Fraunces', Georgia, serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:  'IBM Plex Mono', ui-monospace, monospace;

  --max: 720px;
  --max-wide: 1120px;
  --radius: 2px;
}

*,*::before,*::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  font-family: var(--sans);
  color: var(--charcoal);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }

a{ color: inherit; text-decoration:none; }

h1,h2,h3{
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1{ font-family: 'Poppins', sans-serif; font-weight: 600; letter-spacing: 0; font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2{ font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3{ font-size: 1.15rem; font-weight: 600; font-family: var(--sans); }

p{ margin: 0 0 1.1em; color: var(--charcoal); }

.eyebrow{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  display:flex;
  align-items:center;
  gap: 0.6em;
  margin-bottom: 1em;
}
.eyebrow::before{
  content:'';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--halo);
  box-shadow: 0 0 8px 2px rgba(232,178,61,0.55);
  flex-shrink:0;
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }
.wrap-wide{ max-width: var(--max-wide); margin: 0 auto; padding: 0 1.5rem; }

section{ padding: 5.5rem 0; }
section.tight{ padding: 3.5rem 0; }
.dim{ background: var(--paper-dim); }
.dark{ background: var(--ink); color: #E7ECF2; position:relative; overflow:hidden; }
.dark h1, .dark h2, .dark h3{ color: #fff; }
.dark p{ color: #C9D3DE; }
.dark .eyebrow{ color: #8FA3BC; }

hr.rule{
  border:none; border-top: 1px solid var(--line); margin: 0;
}

/* ==========================================================================
   Nav
   ========================================================================== */

header.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(250,250,248,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav{
  max-width: var(--max-wide); margin:0 auto; padding: 1.1rem 1.5rem;
  display:flex; align-items:center; justify-content:space-between;
  gap: 1.1rem; flex-wrap: wrap; row-gap: 0.6rem;
  position: relative;
}
.brand{
  font-family: var(--serif); font-size: 1.15rem; color: var(--ink);
  display:flex; flex-direction:column; line-height:1.1;
  flex-shrink: 0;
}
.brand small{
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.1em;
  color: var(--slate); text-transform:uppercase; font-weight:500; margin-top:2px;
}
.nav-links{
  display:flex; gap: 1.35rem; list-style:none; margin:0; padding:0;
  font-size: 0.87rem; flex-shrink: 0;
}
.nav-links li{ flex-shrink: 0; }
.nav-links a{
  position:relative; padding: 0.3rem 0; color: var(--charcoal);
  white-space: nowrap;
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background: var(--halo); transition: width 0.25s ease;
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ width:100%; }
.nav-links a[aria-current="page"]{ color: var(--ink); font-weight:600; }

.nav-cta{
  font-size: 0.85rem; font-weight:600; padding: 0.6rem 1.1rem;
  border: 1px solid var(--ink); border-radius: var(--radius);
  white-space:nowrap; flex-shrink: 0;
}
.nav-cta:hover{ background: var(--ink); color:#fff; }

.lang-switch{
  display:flex; gap: 0.2rem; align-items:center; flex-shrink: 0;
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.02em;
  white-space: nowrap;
}
.lang-switch a{
  padding: 0.22rem 0.38rem; color: var(--slate); border-radius: var(--radius);
}
.lang-switch a:hover{ color: var(--ink); }
.lang-switch a[aria-current="true"]{ color: var(--ink); font-weight:700; background: var(--paper-dim); }
.lang-switch span{ color: var(--line); }

.nav-toggle{ display:none; background:none; border:none; cursor:pointer; }

/* ==========================================================================
   Hero + halo signature
   ========================================================================== */

.hero{
  position:relative; overflow:hidden;
  padding: 6.5rem 0 5rem;
  background: linear-gradient(180deg, var(--ink) 0%, var(--deep) 100%);
  color:#fff;
}
.hero-inner{ position:relative; z-index:1; max-width: var(--max-wide); margin:0 auto; padding: 0 1.5rem; }
.hero.sub{ padding: 4.2rem 0 3.4rem; }
.hero.sub h1{ font-size: clamp(1.9rem, 4vw, 2.8rem); max-width: 20ch; }
.hero.sub .lead{ font-size: 1.02rem; }

/* Faisceaux lumineux — signature visuelle (remplace toute photo/illustration) */
.beam-field{
  position:absolute; top:0; right:0; width:58%; height:100%;
  overflow:hidden; pointer-events:none; z-index:0;
}
.beam-field svg{ display:block; width:100%; height:100%; }

.beam-1{ stroke-dasharray: 820; stroke-dashoffset: 820; animation: beam-draw-1 9s ease-in-out infinite; }
.beam-2{ stroke-dasharray: 706; stroke-dashoffset: 706; animation: beam-draw-2 9s ease-in-out infinite; animation-delay: 1.6s; }
.beam-3{ stroke-dasharray: 730; stroke-dashoffset: 730; animation: beam-draw-3 9s ease-in-out infinite; animation-delay: 3.2s; }

@keyframes beam-draw-1{
  0%   { stroke-dashoffset: 820; opacity: 0; }
  3%   { opacity: 1; }
  18%  { stroke-dashoffset: 0; }
  82%  { stroke-dashoffset: 0; opacity: 1; }
  96%  { opacity: 0; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}
@keyframes beam-draw-2{
  0%   { stroke-dashoffset: 706; opacity: 0; }
  3%   { opacity: 1; }
  18%  { stroke-dashoffset: 0; }
  82%  { stroke-dashoffset: 0; opacity: 1; }
  96%  { opacity: 0; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}
@keyframes beam-draw-3{
  0%   { stroke-dashoffset: 730; opacity: 0; }
  3%   { opacity: 1; }
  18%  { stroke-dashoffset: 0; }
  82%  { stroke-dashoffset: 0; opacity: 1; }
  96%  { opacity: 0; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}
@media (prefers-reduced-motion: reduce){
  .beam-1, .beam-2, .beam-3{ animation:none; stroke-dashoffset:0; opacity:0.85; }
}
.hero h1{ color:#fff; max-width: 14ch; }
.hero .lead{
  max-width: 46ch; font-size: 1.1rem; color:#C9D3DE; margin-bottom: 2.2rem;
}
.cta-row{ display:flex; gap: 1rem; flex-wrap:wrap; }

.btn{
  display:inline-block; font-weight:600; font-size:0.94rem;
  padding: 0.85rem 1.5rem; border-radius: var(--radius);
  border: 1px solid transparent; transition: all 0.2s ease;
}
.btn-primary{ background: #fff; color: var(--ink); }
.btn-primary:hover{ background: var(--halo); color: var(--ink); }
.btn-ghost{ border-color: rgba(255,255,255,0.4); color:#fff; }
.btn-ghost:hover{ border-color:#fff; background: rgba(255,255,255,0.08); }

/* on light backgrounds */
.btn-primary.on-light{ background: var(--ink); color:#fff; }
.btn-primary.on-light:hover{ background: var(--halo); color: var(--ink); }
.btn-ghost.on-light{ border-color: var(--line); color: var(--ink); }
.btn-ghost.on-light:hover{ border-color: var(--ink); background: rgba(11,42,77,0.04); }

/* ==========================================================================
   Content blocks
   ========================================================================== */

.section-head{ max-width: 56ch; margin-bottom: 2.2rem; }

.quote{
  font-family: var(--serif); font-weight: 400; font-style: italic;
  font-size: clamp(1.2rem, 2.3vw, 1.55rem); color: var(--ink);
  border-left: 2px solid var(--halo);
  padding: 0.2rem 0 0.2rem 1.4rem;
  margin: 2rem 0;
  line-height:1.5;
}

ul.plain{ list-style:none; margin:0; padding:0; }
ul.plain li{
  padding: 0.55rem 0 0.55rem 1.3rem; position:relative;
  border-bottom: 1px solid var(--line);
  color: var(--charcoal);
}
ul.plain li::before{
  content:''; position:absolute; left:0; top:1.05rem;
  width:5px; height:5px; border-radius:50%; background: var(--halo);
}
ul.plain li:last-child{ border-bottom:none; }

/* Process flow: Identifier / Coordonner / Activer (a real sequence) */
.flow{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  margin-top: 2.5rem; position:relative;
}
.flow::before{
  content:''; position:absolute; top: 1.4rem; left: 8%; right: 8%; height:1px;
  background: var(--line); z-index:0;
}
.flow-step{ position:relative; z-index:1; padding: 0 1.4rem 0 0; }
.flow-num{
  font-family: var(--mono); font-size: 0.75rem; color:#fff;
  width: 2.1rem; height: 2.1rem; border-radius:50%;
  background: var(--ink); display:flex; align-items:center; justify-content:center;
  margin-bottom: 1.1rem;
}
.flow-step h3{ margin-bottom: 0.4em; }
.flow-step p{ color: var(--slate); font-size: 0.96rem; }

/* Card grid (partners, situations) */
.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 2.2rem; }
.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1.8rem; }

.card{
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; background: var(--paper);
}
.card h3{ margin-bottom: 0.5em; }
.card p{ color: var(--slate); font-size: 0.95rem; margin-bottom:0; }

.journey{
  display:flex; flex-direction:column; gap: 0;
}
.journey-step{
  display:grid; grid-template-columns: 3rem 1fr; gap: 1.2rem;
  padding: 1.1rem 0; border-bottom: 1px solid var(--line);
}
.journey-step:last-child{ border-bottom:none; }
.journey-step .flow-num{ margin-bottom:0; }

/* Page-role note (small italic intro used at top of inner pages) */
.role-note{
  font-style: italic; color: var(--slate); max-width: 52ch;
  font-size: 0.98rem;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-top: 2rem;
}
.field{ display:flex; flex-direction:column; gap: 0.4rem; }
.field.full{ grid-column: 1 / -1; }
label{ font-size: 0.85rem; font-weight:600; color: var(--ink); }
input, textarea{
  font-family: var(--sans); font-size: 0.95rem;
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.75rem 0.9rem; background:#fff; color: var(--charcoal);
}
input:focus, textarea:focus{
  outline: 2px solid var(--halo); outline-offset: 1px; border-color: var(--ink);
}
textarea{ resize: vertical; min-height: 120px; }
.consent{
  display:flex; gap: 0.7rem; align-items:flex-start; font-size: 0.86rem;
  color: var(--slate); margin-top: 0.4rem;
}
.consent input{ margin-top: 0.2rem; }

#form-error{
  display:none; margin-top: 1.1rem; padding: 0.9rem 1.1rem;
  border: 1px solid var(--line); border-left: 2px solid var(--halo);
  border-radius: var(--radius); font-size: 0.9rem; color: var(--charcoal);
  background: var(--paper-dim);
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer.site-footer{
  background: var(--ink); color: #B9C5D4; padding: 3.5rem 0 2.2rem;
}
.footer-grid{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem;
  padding-bottom: 2.2rem; border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand{ font-family: var(--serif); color:#fff; font-size: 1.1rem; margin-bottom:0.5rem; }
footer.site-footer h4{
  font-family: var(--mono); font-size: 0.7rem; letter-spacing:0.1em; text-transform:uppercase;
  color: #7E93AC; margin-bottom: 1rem;
}
footer.site-footer ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:0.6rem; font-size:0.9rem; }
footer.site-footer a:hover{ color:#fff; }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1rem;
  padding-top: 1.8rem; font-size: 0.82rem; color: #7E93AC;
}

/* ==========================================================================
   Cookie banner
   ========================================================================== */

#cookie-banner{
  position: fixed; left: 1.2rem; right: 1.2rem; bottom: 1.2rem; z-index: 100;
  max-width: 640px; margin: 0 auto;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.4rem 1.6rem;
  box-shadow: 0 12px 40px rgba(11,42,77,0.18);
  display:none;
}
#cookie-banner.show{ display:block; }
#cookie-banner p{ font-size: 0.88rem; color: var(--slate); margin-bottom: 1rem; }
.cookie-actions{ display:flex; gap: 0.7rem; flex-wrap:wrap; }
.cookie-actions button{
  font-family: var(--sans); font-size: 0.85rem; font-weight:600;
  padding: 0.6rem 1rem; border-radius: var(--radius); cursor:pointer;
  border: 1px solid var(--line); background:#fff;
}
.cookie-actions button.accept{ background: var(--ink); color:#fff; border-color: var(--ink); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1180px){
  .nav-links{
    display:none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 24px rgba(11,42,77,0.10);
    padding: 0.5rem 1.5rem 1rem;
    z-index: 60;
  }
  .nav-links.mobile-open{ display:flex; }
  .nav-links li{ width:100%; }
  .nav-links a{ display:block; padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
  .nav-links a::after{ display:none; }
  .nav-toggle{ display:block; font-size: 1.3rem; }
}

@media (max-width: 860px){
  .nav-links{ display:none; }
  .nav-toggle{ display:block; }
  .grid-2, .grid-3{ grid-template-columns: 1fr; }
  .flow{ grid-template-columns: 1fr; gap: 2rem; }
  .flow::before{ display:none; }
  .footer-grid{ grid-template-columns: 1fr; gap: 2rem; }
  .form-grid{ grid-template-columns: 1fr; }
  section{ padding: 3.5rem 0; }
  .hero{ padding: 4.5rem 0 3rem; }
}