/* ====== TOKENS ====== */
:root{
  --bg-base:#0A0E13;
  --bg-panel:#121922;
  --bg-panel-raised:#161E29;
  --bg-blueprint:#0C1B28;
  --accent-amber:#E2A33D;
  --accent-amber-dim:#8A6526;
  --accent-cyan:#57D6C2;
  --text-primary:#EDEFF2;
  --text-secondary:#8C98A4;
  --text-tertiary:#5C6671;
  --line:#1E2730;
  --line-bright:#2C3744;
  --radius:2px;
  --maxw:1180px;
  font-size:16px;
}

/* ====== RESET / BASE ====== */
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-base);
  color:var(--text-primary);
  font-family:'IBM Plex Sans',sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
h1,h2,h3{
  font-family:'Space Grotesk',sans-serif;
  font-weight:600;
  letter-spacing:-0.01em;
  line-height:1.1;
}
.mono{font-family:'IBM Plex Mono',monospace;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem;}
section{padding:6rem 0;position:relative;}

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

/* ====== EYEBROW / STATUS DOT ====== */
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:0.78rem;
  letter-spacing:0.12em;
  color:var(--accent-amber);
  text-transform:uppercase;
  display:flex;align-items:center;gap:0.5rem;
  margin-bottom:1rem;
}
.status-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent-cyan);
  box-shadow:0 0 0 0 rgba(87,214,194,0.6);
  animation:pulse 2.4s infinite;
  flex-shrink:0;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(87,214,194,0.5);}
  70%{box-shadow:0 0 0 6px rgba(87,214,194,0);}
  100%{box-shadow:0 0 0 0 rgba(87,214,194,0);}
}
@media (prefers-reduced-motion: reduce){
  .status-dot{animation:none;}
  html{scroll-behavior:auto;}
}

/* ====== NAV ====== */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(10,14,19,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
nav.wrap{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{
  font-family:'Space Grotesk',sans-serif;
  font-weight:700;font-size:1.25rem;letter-spacing:0.02em;
  display:flex;align-items:baseline;gap:0.4rem;
}
.logo span{color:var(--accent-amber);}
.logo-img{height:38px;width:auto;display:block;}
.nav-links{display:flex;gap:2rem;align-items:center;}
.nav-links a{font-size:0.9rem;color:var(--text-secondary);transition:color 0.2s;position:relative;}
.nav-links a:hover{color:var(--text-primary);}
.nav-links a.active{color:var(--accent-cyan);}
.nav-cta{
  border:1px solid var(--accent-amber-dim);
  color:var(--accent-amber) !important;
  padding:0.5rem 1.1rem;border-radius:var(--radius);
  font-family:'IBM Plex Mono',monospace;font-size:0.82rem;
}
.nav-cta:hover{background:rgba(226,163,61,0.08);}
.nav-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;}

@media (max-width:860px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;
    background:var(--bg-panel);
    flex-direction:column;align-items:flex-start;
    padding:1.5rem;gap:1.25rem;
    border-bottom:1px solid var(--line);
    transform:translateY(-8px);opacity:0;visibility:hidden;
    transition:opacity 0.2s,transform 0.2s,visibility 0.2s;
  }
  .nav-links.open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-toggle{display:block;}
}

/* ====== HERO ====== */
.hero{padding-top:11rem;padding-bottom:5rem;position:relative;overflow:hidden;}
.hero-grid-bg{position:absolute;inset:0;z-index:0;opacity:0.5;pointer-events:none;}
.hero-content{position:relative;z-index:1;max-width:760px;}
.hero h1{font-size:clamp(2.1rem,5vw,3.4rem);margin-bottom:1.4rem;}
.hero h1 em{font-style:normal;color:var(--accent-amber);}
.hero .tagline{font-family:'IBM Plex Mono',monospace;color:var(--accent-cyan);font-size:0.95rem;margin-bottom:1.2rem;}
.hero p.lead{font-size:1.1rem;color:var(--text-secondary);max-width:560px;margin-bottom:2.4rem;}

/* variante page courte (une page produit avec moins de contenu, ex: page SAFTIS OS) */
.hero.hero-compact{padding-bottom:3.5rem;}
.hero.hero-compact h1{font-size:clamp(2.4rem,6vw,4rem);margin-bottom:1rem;}
.hero.hero-compact p.lead{max-width:600px;margin-bottom:2rem;}

.cta-row{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:3.5rem;}

/* ====== BOUTONS ====== */
.btn{
  font-family:'IBM Plex Mono',monospace;
  font-size:0.85rem;padding:0.85rem 1.5rem;
  border-radius:var(--radius);
  transition:all 0.2s;
  cursor:pointer;border:1px solid transparent;
  display:inline-block;
  position:relative;overflow:hidden;
}
.btn-primary{background:var(--accent-amber);color:#1A1304;}
.btn-primary:hover{background:#F0B255;}
.btn-secondary{border:1px solid var(--line-bright);color:var(--text-primary);}
.btn-secondary:hover{border-color:var(--accent-amber-dim);}
.btn::after{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:0;
  background:radial-gradient(70px circle at var(--mx,50%) var(--my,50%), rgba(255,255,255,0.3), transparent 70%);
  transition:opacity .3s;
}
.btn:hover::after{opacity:1;}

/* ====== STAT READOUT (hero) ====== */
.stat-readout{display:flex;gap:2.5rem;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:1.8rem;}
.stat-readout div{display:flex;flex-direction:column;gap:0.3rem;}
.stat-readout .num{font-family:'Space Grotesk',sans-serif;font-size:1.6rem;font-weight:600;}
.stat-readout .label{font-family:'IBM Plex Mono',monospace;font-size:0.72rem;letter-spacing:0.08em;color:var(--text-tertiary);text-transform:uppercase;}

/* ====== EN-TÊTES DE SECTION ====== */
.section-head{max-width:620px;margin-bottom:3.5rem;}
.section-head h2{font-size:clamp(1.7rem,3.2vw,2.3rem);}
.section-head p{color:var(--text-secondary);margin-top:0.8rem;}

/* ====== SIGNATURE COINS (bracket-frame) ====== */
.bracket-frame{position:relative;}
.bracket-frame::before,.bracket-frame::after{
  content:'';position:absolute;width:14px;height:14px;
  border-color:var(--accent-amber);opacity:0;
  transition:opacity 0.25s;pointer-events:none;
}
.bracket-frame::before{top:-1px;left:-1px;border-top:2px solid;border-left:2px solid;}
.bracket-frame::after{bottom:-1px;right:-1px;border-bottom:2px solid;border-right:2px solid;}
.bracket-frame:hover::before,.bracket-frame:hover::after,
.bracket-frame.always::before,.bracket-frame.always::after{opacity:1;}

/* ====== SERVICES / TILES ====== */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
@media (max-width:860px){.services-grid{grid-template-columns:1fr;}}
.service-tile{background:var(--bg-panel);padding:2rem 1.8rem;position:relative;}
.tile-id{font-family:'IBM Plex Mono',monospace;font-size:0.72rem;color:var(--accent-cyan);letter-spacing:0.08em;display:block;margin-bottom:1.2rem;}
.service-tile h3{font-size:1.05rem;margin-bottom:0.7rem;letter-spacing:0;}
.service-tile p{color:var(--text-secondary);font-size:0.92rem;margin-bottom:1.2rem;}
.brand-tags{font-family:'IBM Plex Mono',monospace;font-size:0.74rem;color:var(--text-tertiary);}

/* ---- tuiles image (slider 2 photos en fondu, sans JS) ---- */
.tile-img-wrap{position:relative;margin:-2rem -1.8rem 1.4rem -1.8rem;overflow:hidden;height:190px;}
.tile-image{
  width:100%;height:190px;object-fit:cover;display:block;
  filter:grayscale(0.35) brightness(0.7) contrast(1.1);
  position:absolute;top:0;left:0;
  animation:tileFade 8s ease-in-out infinite;
}
.tile-image:nth-of-type(2){animation-delay:-4s;}
@keyframes tileFade{
  0%, 45% { opacity: 1; }
  50%, 95% { opacity: 0; }
  100% { opacity: 1; }
}
.tile-img-wrap::after{
  content:'';position:absolute;inset:0;pointer-events:none;z-index:1;
  background:
    linear-gradient(180deg, rgba(10,14,19,0) 40%, rgba(10,14,19,0.85) 100%),
    linear-gradient(120deg, rgba(87,214,194,0.15), rgba(226,163,61,0.1));
}
.tile-id-overlay{position:absolute;bottom:0.6rem;left:0.9rem;z-index:2;margin-bottom:0;background:rgba(10,14,19,0.55);padding:0.2rem 0.5rem;}
@media (prefers-reduced-motion: reduce){
  .tile-image{animation:none;opacity:1;}
  .tile-image:nth-of-type(2){display:none;}
}

/* ====== PROCESS (méthode) ====== */
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:1.8rem;}
@media (max-width:860px){.process-list{grid-template-columns:1fr;}}
.process-step{border-top:2px solid var(--accent-amber-dim);padding-top:1.2rem;}
.process-step .step-num{font-family:'IBM Plex Mono',monospace;color:var(--accent-amber);font-size:0.85rem;}
.process-step h3{font-size:1.05rem;margin:0.6rem 0 0.5rem;}
.process-step p{color:var(--text-secondary);font-size:0.9rem;}

/* ====== RÉALISATIONS ====== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;}
@media (max-width:860px){.case-grid{grid-template-columns:1fr;}}
.case-card{background:var(--bg-panel);border:1px solid var(--line);padding:2rem 1.6rem;}
.case-tag{
  display:inline-block;font-family:'IBM Plex Mono',monospace;
  font-size:0.7rem;letter-spacing:0.08em;color:var(--bg-base);
  background:var(--accent-cyan);padding:0.25rem 0.6rem;
  border-radius:var(--radius);margin-bottom:1.2rem;text-transform:uppercase;
}
.case-card h3{font-size:1.15rem;margin-bottom:0.6rem;}
.case-card p{color:var(--text-secondary);font-size:0.9rem;}
.case-note{
  margin-top:2rem;font-family:'IBM Plex Mono',monospace;
  font-size:0.78rem;color:var(--text-tertiary);
  border-left:2px solid var(--line-bright);padding-left:0.9rem;
}

/* ====== DEVICE CARDS (Box Edge / Dashboard) ====== */
.device-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:2.5rem;}
@media (max-width:860px){.device-grid{grid-template-columns:1fr;}}
.device-card{background:var(--bg-panel);padding:2.2rem 2rem;}
.device-card h3{font-size:1.15rem;margin:0.9rem 0 0.8rem;}
.device-card p{color:var(--text-secondary);font-size:0.92rem;}

/* ====== SCHÉMA D'ARCHITECTURE ====== */
.arch-diagram{
  border:1px dashed #2E5872;padding:1.5rem;overflow-x:auto;
  background:
    repeating-linear-gradient(0deg, rgba(87,214,194,0.04) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(87,214,194,0.04) 0 1px, transparent 1px 28px);
}
.arch-diagram svg{min-width:700px;width:100%;height:auto;display:block;}

/* ====== COMPARATIF MODÈLE ÉCONOMIQUE ====== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;}
@media (max-width:860px){.compare-grid{grid-template-columns:1fr;}}
.compare-col{background:var(--bg-panel);border:1px solid var(--line);padding:2.2rem;}
.compare-after{border-color:var(--accent-amber-dim);}
.compare-col h3{font-size:1.05rem;margin:0.7rem 0 1.2rem;}
.compare-list{list-style:none;display:flex;flex-direction:column;gap:0.8rem;}
.compare-list li{color:var(--text-secondary);font-size:0.9rem;padding-left:1.1rem;position:relative;}
.compare-list li::before{content:'—';position:absolute;left:0;color:var(--text-tertiary);}

/* ====== VISION / BLUEPRINT PANEL ====== */
.vision-section{background:var(--bg-blueprint);}
.vision-section h2{font-size:clamp(1.6rem,3vw,2.1rem);margin-bottom:1rem;}
.vision-section p{color:var(--text-secondary);max-width:640px;}
.blueprint-panel{
  border:1px dashed #2E5872;
  background:
    repeating-linear-gradient(0deg, rgba(87,214,194,0.05) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(87,214,194,0.05) 0 1px, transparent 1px 28px);
  padding:3rem 2.2rem;
}
/* variante deux colonnes (texte + schéma côte à côte) */
.blueprint-panel.split{display:grid;grid-template-columns:1.2fr 1fr;gap:2.5rem;align-items:center;}
@media (max-width:860px){.blueprint-panel.split{grid-template-columns:1fr;}}
.badge-dev{
  display:inline-flex;align-items:center;gap:0.5rem;
  font-family:'IBM Plex Mono',monospace;font-size:0.72rem;
  letter-spacing:0.1em;color:var(--accent-cyan);
  border:1px solid #2E5872;padding:0.35rem 0.7rem;
  margin-bottom:1.2rem;text-transform:uppercase;
}
.vision-diagram{
  aspect-ratio:1/1;border:1px dashed #2E5872;
  display:flex;align-items:center;justify-content:center;
  font-family:'IBM Plex Mono',monospace;color:var(--text-tertiary);
  font-size:0.75rem;text-align:center;padding:1rem;
}

/* ====== À PROPOS ====== */
.about-grid{display:grid;grid-template-columns:0.8fr 1.6fr;gap:3rem;align-items:start;}
@media (max-width:860px){.about-grid{grid-template-columns:1fr;}}
.avatar-frame{
  aspect-ratio:1/1;background:var(--bg-panel);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:'Space Grotesk',sans-serif;font-size:2.2rem;color:var(--accent-amber-dim);
}
.about-text p{color:var(--text-secondary);margin-bottom:1.1rem;}
.cert-row{display:flex;gap:0.6rem;flex-wrap:wrap;margin-top:1.5rem;}
.cert-tag{
  font-family:'IBM Plex Mono',monospace;font-size:0.74rem;
  border:1px solid var(--line-bright);padding:0.4rem 0.8rem;
  color:var(--text-secondary);
}

/* ====== CONTACT ====== */
.contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:3rem;}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}
form{display:flex;flex-direction:column;gap:1.1rem;}
.field label{
  display:block;font-family:'IBM Plex Mono',monospace;font-size:0.72rem;
  letter-spacing:0.06em;color:var(--text-tertiary);margin-bottom:0.45rem;text-transform:uppercase;
}
.field input,.field textarea{
  width:100%;background:var(--bg-panel);border:1px solid var(--line-bright);
  color:var(--text-primary);padding:0.75rem 0.9rem;font-family:'IBM Plex Sans',sans-serif;
  font-size:0.92rem;border-radius:var(--radius);
}
.field textarea{resize:vertical;min-height:100px;}
.field input:focus,.field textarea:focus{border-color:var(--accent-amber-dim);}
.contact-side{border-left:1px solid var(--line);padding-left:2rem;}
@media (max-width:860px){.contact-side{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:2rem;}}
.contact-side h3{font-size:1rem;margin-bottom:1rem;}
.contact-side p{color:var(--text-secondary);font-size:0.92rem;margin-bottom:1.5rem;}
.contact-side a.ext{font-family:'IBM Plex Mono',monospace;font-size:0.85rem;color:var(--accent-cyan);border-bottom:1px solid transparent;}
.contact-side a.ext:hover{border-color:var(--accent-cyan);}

/* ====== AUDIT INTERACTIF ====== */
.audit-wizard{
  background:var(--bg-panel);border:1px solid var(--line);
  padding:2.2rem;min-height:380px;display:flex;flex-direction:column;
  position:relative;overflow:hidden;
}
.audit-progress{height:3px;background:var(--line);margin:-2.2rem -2.2rem 2rem -2.2rem;}
.audit-progress-bar{height:100%;width:0%;background:var(--accent-amber);transition:width 0.4s ease;}
.audit-step{display:flex;flex-direction:column;gap:1.2rem;flex:1;}
.audit-step[hidden]{display:none;}
.step-label{color:var(--text-tertiary);font-size:0.78rem;letter-spacing:0.08em;}
.audit-step h3{font-size:1.25rem;}
.audit-step > p{color:var(--text-secondary);font-size:0.92rem;}
.option-grid{display:grid;grid-template-columns:1fr 1fr;gap:0.8rem;margin-top:0.4rem;}
@media (max-width:600px){.option-grid{grid-template-columns:1fr;}}
.option-card{
  background:var(--bg-panel-raised);border:1px solid var(--line-bright);
  color:var(--text-primary);padding:1rem 1.1rem;text-align:left;
  font-family:'IBM Plex Sans',sans-serif;font-size:0.92rem;cursor:pointer;
  border-radius:var(--radius);transition:all 0.15s;
}
.option-card:hover{border-color:var(--accent-amber-dim);}
.chip-row{display:flex;flex-wrap:wrap;gap:0.6rem;margin-top:0.4rem;}
.chip{
  background:var(--bg-panel-raised);border:1px solid var(--line-bright);
  color:var(--text-secondary);padding:0.55rem 1rem;font-size:0.85rem;
  border-radius:20px;cursor:pointer;transition:all 0.15s;font-family:'IBM Plex Mono',monospace;
}
.chip.selected{border-color:var(--accent-cyan);color:var(--accent-cyan);background:rgba(87,214,194,0.08);}
.audit-actions{margin-top:auto;display:flex;justify-content:space-between;align-items:center;padding-top:0.6rem;}
.scan-line-wrap{
  height:90px;border:1px solid var(--line-bright);position:relative;overflow:hidden;
  background:repeating-linear-gradient(90deg, rgba(87,214,194,0.04) 0 1px, transparent 1px 24px);
}
.scan-line{
  position:absolute;top:0;bottom:0;width:2px;background:var(--accent-cyan);
  box-shadow:0 0 14px var(--accent-cyan);
  animation:scan 1.6s ease-in-out infinite;
}
@keyframes scan{0%{left:0%;}50%{left:98%;}100%{left:0%;}}
@media (prefers-reduced-motion: reduce){.scan-line{animation:none;left:50%;}}
.result-box{border:1px solid var(--line-bright);background:var(--bg-panel-raised);padding:1.4rem;font-size:0.92rem;color:var(--text-secondary);}
.coverage-meter{height:6px;background:var(--line);margin:1rem 0;border-radius:3px;overflow:hidden;}
.coverage-meter-fill{height:100%;background:var(--accent-cyan);width:0%;transition:width 0.6s ease;}

/* ====== FOOTER ====== */
footer{
  border-top:1px solid var(--line);padding:2.5rem 0;
  font-family:'IBM Plex Mono',monospace;font-size:0.78rem;color:var(--text-tertiary);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;
}

/* ====== TEXTURE DE GRAIN ====== */
body::before{
  content:'';position:fixed;inset:0;z-index:999;pointer-events:none;
  opacity:0.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:140px 140px;
}

/* ====== CURSEUR PERSONNALISÉ ====== */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;pointer-events:none;display:none;border-radius:50%;}
.cursor-dot{width:5px;height:5px;background:var(--accent-cyan);z-index:9999;transform:translate(-50%,-50%);}
.cursor-ring{
  width:30px;height:30px;border:1px solid var(--accent-cyan);z-index:9998;
  transform:translate(-50%,-50%);transition:width .25s,height .25s,border-color .25s,background-color .25s;
}
@media (hover:hover) and (pointer:fine){
  body{cursor:none;}
  a,button{cursor:none;}
  .cursor-dot,.cursor-ring{display:block;}
}
body.cursor-active .cursor-ring{width:46px;height:46px;border-color:var(--accent-amber);background:rgba(226,163,61,0.08);}
body.cursor-active .cursor-dot{background:var(--accent-amber);}

/* ====== SPOTLIGHT AU SURVOL (cartes) ====== */
.service-tile,.case-card,.device-card,.option-card,.compare-col{position:relative;overflow:hidden;}
.service-tile::after,.case-card::after,.device-card::after,.option-card::after,.compare-col::after{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:0;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%), rgba(226,163,61,0.12), transparent 60%);
  transition:opacity .3s;
}
.service-tile:hover::after,.case-card:hover::after,.device-card:hover::after,.option-card:hover::after,.compare-col:hover::after{opacity:1;}

/* ====== SPOTLIGHT HERO + ANIMATION D'ENTRÉE ====== */
.hero-spotlight{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(380px circle at var(--hx,60%) var(--hy,30%), rgba(87,214,194,0.10), transparent 65%);
}
@keyframes bootIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.boot-sequence > *{opacity:0;animation:bootIn .7s ease forwards;}
@media (prefers-reduced-motion: reduce){.boot-sequence > *{opacity:1;animation:none;}}

/* ====== RÉVÉLATION AU SCROLL ====== */
.reveal{opacity:0;transform:translateY(16px) scale(0.98);transition:opacity 0.7s ease,transform 0.7s ease;}
.reveal.in{opacity:1;transform:translateY(0) scale(1);}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none;}}