/* ============================================================
   KADER SALHI — AI delivery & adoption — Charte v3
   "Minuit Méditerranée" (dark-dominant) + grammaire "Trait"
   Motifs ligne-fine d'héritage amazigh, ambre sur minuit.
   Space Grotesk (display) · Inter (corps)
   ============================================================ */

:root{
  --bg:#F4F1EA;
  --bg-raised:#FCFAF5;
  --bg-2:#EBE7DF;
  --line:#DCD6CB;
  --line-soft:#EAE5DB;
  --ink:#181C20;
  --muted:#4C5157;
  --faint:#868B90;
  --accent:#1C6B61;
  --accent-bright:#2C8C81;
  --accent-deep:#124A43;
  --on-accent:#F4F2EC;

  --ff-display:'Space Grotesk','Inter',-apple-system,sans-serif;
  --ff-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;

  --container:1180px;
  --narrow:840px;
  --radius:18px;
  --radius-sm:11px;
  --shadow:0 20px 50px -30px rgba(20,25,35,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ff-body);background:var(--bg);color:var(--muted);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-bright)}

h1,h2,h3,h4{font-family:var(--ff-display);color:var(--ink);font-weight:500;line-height:1.1;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5vw,3.95rem);font-weight:500}
h2{font-size:clamp(1.85rem,3.5vw,2.8rem)}
h3{font-size:clamp(1.2rem,2.1vw,1.55rem)}
p{margin:0 0 1.1em}
strong{color:var(--ink);font-weight:600}
.accent{color:var(--accent)}

/* ---------- Layout ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 28px}
.narrow{max-width:var(--narrow);margin-left:auto;margin-right:auto}
.section{padding:clamp(64px,9vw,120px) 0;position:relative;overflow:hidden}
.section--tight{padding:clamp(46px,6vw,80px) 0}
.section--panel{background:var(--bg-raised)}
.section--line-top{border-top:1px solid var(--line-soft)}

.eyebrow{font-family:var(--ff-body);font-size:.74rem;font-weight:600;letter-spacing:.2em;
  text-transform:uppercase;color:var(--accent);margin:0 0 1.1rem;display:flex;align-items:center;gap:.7rem}
.eyebrow::before{content:"";width:9px;height:9px;border:1.5px solid var(--accent);border-radius:50%;display:inline-block}
.section-head{max-width:780px;margin-bottom:clamp(36px,5vw,60px)}
.section-intro{font-size:1.18rem;color:var(--muted);max-width:700px}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(244,241,234,.85);
  backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid var(--line-soft)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:11px}
.brand .brand-txt{display:flex;flex-direction:column;line-height:1.05}
.brand .brand-name{font-family:var(--ff-display);font-size:1.12rem;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.brand .brand-sub{font-size:.63rem;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--muted);position:relative;padding:6px 0;white-space:nowrap}
.nav-links a:hover,.nav-links a.is-active{color:var(--ink)}
.nav-links a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:16px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;padding:8px}
.nav-toggle span{display:block;height:2px;background:var(--ink);margin:5px 0;transition:.3s var(--ease)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--ff-body);font-size:.96rem;font-weight:600;
  padding:.78em 1.5em;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:.22s var(--ease);line-height:1}
.btn-accent{background:var(--accent);color:var(--on-accent)}
.btn-accent:hover{background:var(--accent-bright);color:var(--on-accent);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn .arr{transition:transform .22s var(--ease)}
.btn:hover .arr{transform:translateX(3px)}

/* ---------- Hero ---------- */
.hero{padding:clamp(56px,8vw,96px) 0 clamp(48px,7vw,84px)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,5vw,64px);align-items:center}
.hero-title{margin-bottom:.4em}
.hero-title .accent{color:var(--accent)}
.hero-lede{font-size:1.24rem;color:var(--muted);max-width:560px;margin-bottom:1.7em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-geo{display:flex;justify-content:center;align-items:center}
.hero-geo svg{width:100%;max-width:540px;height:auto}

/* ---------- Thèse / pull quote ---------- */
.thesis-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(32px,5vw,64px);align-items:center}
.thesis{font-family:var(--ff-display);font-weight:500;font-size:clamp(1.5rem,3vw,2.3rem);line-height:1.25;color:var(--ink);letter-spacing:-.02em;margin:0}
.thesis-aside{color:var(--muted);font-size:1.08rem}
.thesis-aside p:last-child{margin-bottom:0}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cards-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--radius);padding:32px 30px;display:flex;flex-direction:column;transition:.25s var(--ease)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent-deep)}
.card-num{font-family:var(--ff-display);font-size:.95rem;color:var(--accent);letter-spacing:.04em;margin-bottom:14px}
.card h3{margin-bottom:.45em}
.card-text{color:var(--muted);font-size:1rem;flex:1}
.card-link{margin-top:18px;font-weight:600;font-size:.95rem;display:inline-flex;gap:.45em;align-items:center}
.card-tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);background:rgba(28,107,97,.12);padding:.35em .7em;border-radius:999px;margin-bottom:16px;align-self:flex-start}

/* ---------- Feature ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:center}
.feature--narrow-aside{grid-template-columns:1.3fr 1fr}
.aside-card{background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.aside-list{list-style:none;margin:0;padding:0}
.aside-list li{padding:14px 0 14px 26px;border-bottom:1px solid var(--line-soft);position:relative}
.aside-list li:last-child{border-bottom:0;padding-bottom:0}
.aside-list li::before{content:"";position:absolute;left:0;top:1.3em;width:9px;height:9px;border:1.5px solid var(--accent);border-radius:50%}
.aside-list .k{font-weight:600;color:var(--accent);font-family:var(--ff-display);margin-right:.5em}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:10px;padding-left:30px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:var(--line)}
.tl-item{position:relative;padding:0 0 34px 8px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-29px;top:5px;width:12px;height:12px;border:1.5px solid var(--accent);border-radius:50%;background:var(--bg)}
.tl-item.is-major::before{background:var(--accent)}
.tl-date{font-family:var(--ff-display);font-size:1.02rem;color:var(--accent);margin-bottom:3px;font-weight:500}
.tl-body{color:var(--muted)}

/* ---------- Logos / frise ---------- */
.logos{display:flex;flex-wrap:wrap;gap:14px}
.logo-chip{border:1px solid var(--line);background:var(--bg-raised);border-radius:999px;padding:.7em 1.3em;font-weight:600;font-size:.95rem;color:var(--ink)}
.logo-chip .tiny{font-size:.72rem;color:var(--faint);font-weight:500;margin-left:.4em}

/* ---------- Marqueur [À CONFIRMER] ---------- */
.flag{display:inline-block;font-family:var(--ff-body);font-size:.6em;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--accent-deep);background:rgba(28,107,97,.12);border:1px solid rgba(28,107,97,.32);
  padding:.18em .5em;border-radius:5px;vertical-align:middle;margin-left:.45em;white-space:nowrap;line-height:1.4}

/* ---------- Séparateur "Onde" (motif Trait) ---------- */
.trule{display:flex;justify-content:center;align-items:center;gap:0;margin:0;color:var(--line)}
.trule svg{width:min(420px,80%);height:22px;opacity:.9}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:var(--bg-raised);border:1px solid var(--line);color:var(--muted);border-radius:var(--radius);
  padding:clamp(44px,5vw,68px);text-align:center;overflow:hidden}
.cta-band h2{max-width:20ch;margin-left:auto;margin-right:auto}
.cta-band p{max-width:56ch;margin:0 auto 1.8em}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.cta-motif{position:absolute;opacity:.10;color:var(--accent);pointer-events:none}
.cta-motif.m1{top:-60px;right:-40px;width:240px}
.cta-motif.m2{bottom:-80px;left:-50px;width:280px}

/* ---------- Formulaire ---------- */
.form{display:grid;gap:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:.9rem;font-weight:600;color:var(--ink)}
.field input,.field textarea,.field select{font-family:var(--ff-body);font-size:1rem;color:var(--ink);background:var(--bg);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:.8em .9em;width:100%}
.field input::placeholder,.field textarea::placeholder{color:var(--faint)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(28,107,97,.18)}
.field textarea{min-height:140px;resize:vertical}
.field select{appearance:none}
.form-note{font-size:.86rem;color:var(--faint)}
.form-status{margin:0;padding:.85em 1em;border-radius:var(--radius-sm);font-size:.95rem;border:1px solid var(--line)}
.form-status.is-pending{color:var(--muted);background:var(--bg-raised)}
.form-status.is-ok{color:var(--accent-deep);background:rgba(28,107,97,.10);border-color:rgba(28,107,97,.32)}
.form-status.is-err{color:#9a3324;background:rgba(154,51,36,.08);border-color:rgba(154,51,36,.28)}

/* ---------- Footer ---------- */
.footer{background:#EDE9E1;color:var(--muted);padding:64px 0 30px;font-size:.95rem;border-top:1px solid var(--line-soft)}
.footer a{color:var(--muted)}.footer a:hover{color:var(--accent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px;border-bottom:1px solid var(--line-soft)}
.footer-brand .brand-name{font-family:var(--ff-display);font-size:1.3rem;color:var(--ink);font-weight:600;display:flex;align-items:center;gap:10px}
.footer-brand p{margin-top:14px;color:var(--faint);max-width:34ch}
.footer-col h4{font-family:var(--ff-body);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:11px}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;padding-top:24px;color:var(--faint);font-size:.86rem}
.footer-note{margin-top:14px;font-size:.82rem;color:var(--faint);max-width:64ch;line-height:1.55}
.footer-note .flag{font-size:.66rem;margin-left:0;margin-right:.3em}

/* ---------- Utilities ---------- */
.text-center{text-align:center}
.mb-0{margin-bottom:0}.mt-0{margin-top:0}
.prose-lead{font-size:1.22rem;line-height:1.7;color:var(--ink)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-geo{order:-1;justify-content:flex-start}
  .hero-geo svg{max-width:210px}
  .thesis-wrap,.feature,.feature--narrow-aside{grid-template-columns:1fr;gap:32px}
  .cards,.cards-2{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:680px){
  body{font-size:16px}
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:block}
  .site-header.is-open .nav-links{display:flex;position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:4px;background:var(--bg);border-bottom:1px solid var(--line);padding:14px 28px 22px}
  .site-header.is-open .nav-links a{padding:11px 0;width:100%;border-bottom:1px solid var(--line-soft)}
  .cards,.cards-2{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

/* ============================================================
   MOTIF NEURONAL ANIMÉ (grammaire Trait)
   Neurones (points grossis) + connexions (traits géométriques)
   + mouvement léger & mécanique = réseau actif.
   ============================================================ */
.neuro-edge{stroke:var(--line);stroke-width:1;fill:none}
.neuro-edge-soft{stroke:var(--line-soft);stroke-width:1;fill:none}
.neuro-ring{fill:none;stroke:var(--line);stroke-width:1.3}
.neuro-node{fill:var(--accent)}
.neuro-node-dim{fill:var(--accent);opacity:.5}
.neuro-halo{fill:none;stroke:var(--accent);stroke-width:1.2;transform-box:fill-box;transform-origin:center;opacity:0;animation:nHalo 3.6s ease-out infinite}
.neuro-pulse{transform-box:fill-box;transform-origin:center;animation:nPulse 2.8s ease-in-out infinite}
.neuro-signal{stroke:var(--accent-bright);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-dasharray:7 150;stroke-dashoffset:157;animation:nFlow 3.4s ease-in-out infinite alternate}
.neuro-signal-2{stroke-dasharray:6 110;stroke-dashoffset:116;animation:nFlow2 3.8s linear infinite}
.neuro-spin{transform-box:fill-box;transform-origin:center;animation:nSpin 72s linear infinite}
.neuro-spin-rev{transform-box:fill-box;transform-origin:center;animation:nSpin 96s linear infinite reverse}
@keyframes nPulse{0%,100%{opacity:.4}50%{opacity:1}}
@keyframes nHalo{0%{transform:scale(.5);opacity:.55}80%{opacity:0}100%{transform:scale(2.2);opacity:0}}
@keyframes nFlow{to{stroke-dashoffset:0}}
@keyframes nFlow2{to{stroke-dashoffset:0}}
@keyframes nSpin{to{transform:rotate(360deg)}}

/* Séparateur neuronal — guide la navigation (signal qui avance) */
.neuro-rule{display:flex;justify-content:center;padding:6px 0}
.neuro-rule svg{width:min(440px,80%);height:34px}

@media (prefers-reduced-motion:reduce){
  .neuro-halo,.neuro-pulse,.neuro-signal,.neuro-signal-2,.neuro-spin,.neuro-spin-rev{animation:none}
  .neuro-halo{opacity:0}
}

/* ---------- Portrait (photo) ---------- */
.portrait{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--bg-raised);aspect-ratio:4/5}
.portrait>.ph,.portrait>img{position:absolute;inset:0;width:100%;height:100%}
.portrait>img{object-fit:cover;display:block}
.portrait>.ph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--faint);text-align:center;padding:24px;font-size:.82rem;line-height:1.45}
.portrait--sm{aspect-ratio:1/1;margin-bottom:22px}
/* Courbe signature — portrait à arche haute */
.portrait--arch{border-radius:50vw 50vw var(--radius) var(--radius)}
.portrait--arch.portrait--sm{border-radius:50% 50% var(--radius) var(--radius)}
/* Héros accueil — portrait studio mis en avant */
.hero-portrait{position:relative;margin:0;display:flex;justify-content:center}
.hero-portrait .portrait{width:100%;max-width:420px}
.hero-portrait .badge{position:absolute;left:-14px;bottom:34px;background:var(--bg-raised);border:1px solid var(--line);border-radius:999px;padding:.6em 1.1em;font-family:var(--ff-display);font-size:.84rem;color:var(--ink);box-shadow:var(--shadow);display:flex;align-items:center;gap:.55em}
.hero-portrait .badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
@media(max-width:920px){.hero-portrait .portrait{max-width:300px}.hero-portrait .badge{left:0}}
/* ---------- Valeurs / Posture ---------- */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value-card{background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s var(--ease)}
.value-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent-deep)}
.value-figure{aspect-ratio:1/1;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;border-bottom:1px solid var(--line)}
.value-figure img{width:100%;height:100%;object-fit:contain;display:block}
.value-card h3{margin:20px 26px 6px;font-size:1.2rem}
.value-card p{margin:0 26px 24px;color:var(--muted);font-size:.97rem}
@media(max-width:920px){.values{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.values{grid-template-columns:1fr}}

/* ---------- Valeur — accent réparti ---------- */
.value-accent{display:grid;grid-template-columns:190px 1fr;gap:34px;align-items:center}
.value-accent--rev{grid-template-columns:1fr 190px}
.value-accent--rev>figure{order:2}
.value-accent-fig{margin:0;aspect-ratio:1/1;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center}
.value-accent-fig img{width:100%;height:100%;object-fit:contain;display:block}
@media(max-width:680px){.value-accent,.value-accent--rev{grid-template-columns:1fr;gap:18px}.value-accent--rev>figure{order:0}.value-accent-fig{max-width:150px}}

/* ---------- Carte illustrée / vignette d'illustration ---------- */
.card--ill{overflow:hidden}
.card-ill{margin:-32px -30px 22px;aspect-ratio:16/10;background:#fff;border-bottom:1px solid var(--line);overflow:hidden;display:flex;align-items:center;justify-content:center}
.card-ill img,.card-ill svg{width:100%;height:100%;object-fit:contain;display:block}
.ill-thumb{float:right;width:128px;aspect-ratio:1/1;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;margin:0 0 14px 22px;display:flex;align-items:center;justify-content:center}
.ill-thumb img{width:100%;height:100%;object-fit:contain;display:block}
@media(max-width:680px){.ill-thumb{width:96px;margin-left:14px}}

/* ---------- Carte illustrée : carnet N&B + diagramme incrusté ---------- */
.card-ill--note{position:relative;background:#fff}
.card-ill--note .img-nb{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card-ill--note .scrim{position:absolute;inset:0;background:rgba(250,249,247,.12)}
.card-ill--note .proc{position:absolute;right:7%;bottom:9%;width:55%;height:auto}