/* ============================================================
   YSF — Feuille de styles principale
   Reset + composants réutilisables + mise en page du site.
   Importe tokens.css en premier (variables).
   ============================================================ */

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-body);font-size:var(--text-base);line-height:1.65;
  color:var(--text-body);background:var(--surface-page);-webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;overflow-x:clip;
}
h1,h2,h3,h4,h5{font-family:var(--font-display);color:var(--text-strong);font-weight:700;
  line-height:1.1;letter-spacing:-.02em;margin:0 0 .5em;text-wrap:balance;}
p{margin:0 0 1em;text-wrap:pretty;}
a{color:var(--blue-600);text-decoration:none;}
img{max-width:100%;display:block;}
::selection{background:rgba(27,159,228,.22);color:var(--slate-900);}
:focus-visible{outline:none;box-shadow:var(--shadow-ring);border-radius:var(--radius-xs);}

/* ---------- Layout helpers ---------- */
.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--gutter);}
.container--wide{max-width:var(--container-wide);}
.section{padding-block:var(--section-pad-y);}
.section--tight{padding-block:clamp(3rem,5vw,5rem);}
.section--sunken{background:var(--slate-100);}
.section--ink{background:var(--grad-ink);color:#fff;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:13px;
  font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-600);margin:0 0 16px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad-brand);border-radius:2px;}
.eyebrow--center{justify-content:center;}
.eyebrow--light{color:var(--cyan-400);}

.head{max-width:680px;}
.head--center{margin-inline:auto;text-align:center;}
.head h2{font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.08;margin:0 0 16px;letter-spacing:-.025em;}
.head p{font-size:clamp(1.02rem,1.4vw,1.18rem);color:var(--text-muted);margin:0;}
.section--ink .head h2{color:#fff;}
.section--ink .head p{color:rgba(255,255,255,.72);}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ============================================================
   COMPOSANTS RÉUTILISABLES
   ============================================================ */

/* ---- Boutons ---- */
.btn{--_h:44px;--_px:20px;--_fz:15px;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:var(--_h);padding:0 var(--_px);font-family:var(--font-display);font-weight:600;font-size:var(--_fz);
  line-height:1;border-radius:var(--radius-pill);border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-base) var(--ease-out),
  background var(--dur-base) var(--ease-out),color var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out);}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(1px) scale(.99);}
.btn .ic{width:18px;height:18px;}
.btn--sm{--_h:36px;--_px:16px;--_fz:14px;}
.btn--lg{--_h:54px;--_px:28px;--_fz:17px;}
.btn--primary{background:var(--blue-600);color:#fff;}
.btn--primary:hover{background:var(--blue-700);box-shadow:var(--shadow-glow);}
.btn--gradient{background:var(--grad-brand);color:#fff;background-size:140% 140%;}
.btn--gradient:hover{box-shadow:var(--shadow-glow);background-position:100% 100%;}
.btn--secondary{background:#fff;color:var(--blue-700);border-color:var(--slate-300);}
.btn--secondary:hover{border-color:var(--blue-400);background:var(--blue-50);}
.btn--ghost{background:transparent;color:var(--slate-700);}
.btn--ghost:hover{background:var(--slate-100);color:var(--slate-900);}
.btn--block{width:100%;}

/* ---- Badges ---- */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--radius-pill);
  font-weight:600;font-size:12px;line-height:1;border:1px solid transparent;}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;}
.badge--neutral{background:var(--slate-100);color:var(--slate-600);border-color:var(--slate-200);}
.badge--brand{background:var(--blue-50);color:var(--blue-700);border-color:var(--blue-100);}
.badge--success{background:var(--success-50);color:var(--success-600);border-color:#BBE9CC;}
.badge--warning{background:var(--warning-50);color:var(--warning-600);border-color:#F6E0B0;}
.badge--danger{background:var(--danger-50);color:var(--danger-600);border-color:#F7C2CD;}

/* ---- Cartes ---- */
.card{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);transition:transform var(--dur-base) var(--ease-out),
  box-shadow var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out);}
.card--pad{padding:var(--space-6);}
.card--interactive{cursor:pointer;}
.card--interactive:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--blue-200);}

/* ---- Carte service ---- */
.feature{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-6);
  box-shadow:var(--shadow-sm);transition:transform var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out);}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--blue-200);}
.feature__icon{width:52px;height:52px;border-radius:var(--radius-md);display:grid;place-items:center;margin-bottom:var(--space-4);
  color:#fff;background:var(--grad-brand);box-shadow:var(--shadow-glow);}
.feature__icon--soft{background:var(--blue-50);color:var(--blue-600);box-shadow:none;}
.feature__icon .ic{width:26px;height:26px;}
.feature h3{font-size:19px;margin:0 0 8px;letter-spacing:-.01em;}
.feature p{font-size:14.5px;line-height:1.6;color:var(--text-muted);margin:0;}

/* ---- Champs de formulaire ---- */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px;}
.field label{font-size:13px;font-weight:600;color:var(--text-strong);}
.control{width:100%;height:46px;padding:0 14px;font-family:var(--font-body);font-size:15px;color:var(--text-strong);
  background:#fff;border:1.5px solid var(--border-default);border-radius:var(--radius-md);outline:none;
  transition:border-color var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out);}
.control::placeholder{color:var(--text-faint);}
.control:hover{border-color:var(--slate-400);}
.control:focus{border-color:var(--blue-500);box-shadow:var(--shadow-ring);}
textarea.control{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.55;font-family:var(--font-body);}
.select-wrap{position:relative;}
.select-wrap::after{content:"";position:absolute;right:15px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--slate-500);border-bottom:2px solid var(--slate-500);
  transform:translateY(-65%) rotate(45deg);pointer-events:none;}
select.control{appearance:none;-webkit-appearance:none;padding-right:38px;cursor:pointer;}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--border-subtle);}
.nav__inner{display:flex;align-items:center;gap:28px;height:72px;}
.nav__logo{height:34px;width:auto;}
.nav__links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav__link{font-weight:600;font-size:15px;color:var(--slate-700);transition:color var(--dur-base) var(--ease-out);}
.nav__link:hover{color:var(--blue-600);}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.lang{display:inline-flex;border:1px solid var(--border-default);border-radius:var(--radius-pill);overflow:hidden;}
.lang button{border:0;background:transparent;font-family:var(--font-mono);font-size:12px;font-weight:600;
  letter-spacing:.04em;padding:6px 11px;color:var(--slate-500);cursor:pointer;}
.lang button.is-active{background:var(--blue-600);color:#fff;}
.nav__burger{display:none;border:0;background:transparent;cursor:pointer;color:var(--slate-800);}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;padding-top:clamp(3rem,6vw,5.5rem);padding-bottom:clamp(3rem,6vw,5rem);overflow:clip;}
.hero__bg{position:absolute;inset:0;z-index:0;pointer-events:none;}
.hero__glow{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;}
.hero__grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,4vw,4rem);align-items:center;position:relative;z-index:1;}
.hero h1{font-size:clamp(2.6rem,5.4vw,4.1rem);line-height:1.02;letter-spacing:-.03em;margin:0 0 22px;}
.hero__sub{font-size:clamp(1.08rem,1.6vw,1.3rem);color:var(--text-muted);max-width:540px;margin:0 0 30px;}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.hero__meta{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap;}
.hero__meta .m{display:flex;flex-direction:column;gap:2px;}
.hero__meta .m b{font-family:var(--font-display);font-weight:700;font-size:26px;color:var(--text-strong);letter-spacing:-.02em;}
.hero__meta .m span{font-size:13px;color:var(--text-muted);}

/* ---- Mock tableau de bord ---- */
.mock{position:relative;}
.mock__card{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);overflow:hidden;}
.mock__bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--slate-100);}
.mock__dot{width:10px;height:10px;border-radius:50%;background:var(--slate-200);}
.mock__title{margin-left:10px;font-family:var(--font-mono);font-size:12px;color:var(--text-muted);}
.mock__body{display:grid;grid-template-columns:1.4fr 1fr;}
.mock__map{position:relative;min-height:300px;border-right:1px solid var(--slate-100);overflow:hidden;
  background:radial-gradient(120% 100% at 70% 10%,rgba(43,196,240,.10),transparent 60%),linear-gradient(180deg,#EEF4FB,#E4ECF6);}
.mock__panel{padding:16px;display:flex;flex-direction:column;gap:12px;background:var(--slate-50);}
.veh{display:flex;align-items:center;gap:10px;padding:9px 11px;background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-md);}
.veh__avatar{width:30px;height:30px;border-radius:50%;background:var(--grad-brand-soft);display:grid;place-items:center;color:#fff;font-family:var(--font-display);font-weight:700;font-size:13px;}
.veh__name{font-size:13px;font-weight:600;color:var(--text-strong);}
.veh__plate{font-family:var(--font-mono);font-size:11px;color:var(--text-faint);}
.veh__score{margin-left:auto;font-family:var(--font-mono);font-weight:600;font-size:15px;}
.pin{position:absolute;width:18px;height:18px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);border:2.5px solid #fff;box-shadow:var(--shadow-md);}
.float-card{position:absolute;background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:12px 14px;display:flex;align-items:center;gap:11px;}
.score-ring{display:inline-grid;place-items:center;position:relative;}
.score-ring svg{transform:rotate(-90deg);}
.score-ring__val{position:absolute;font-family:var(--font-mono);font-weight:600;color:var(--text-strong);line-height:1;}

/* ---- Strip confiance ---- */
.trust__label{text-align:center;font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);margin-bottom:26px;}
.trust{display:flex;align-items:center;justify-content:center;gap:clamp(24px,5vw,60px);flex-wrap:wrap;}
.trust__item{font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--slate-400);display:inline-flex;align-items:center;gap:8px;}
.trust__item .ic{width:20px;height:20px;}

/* ---- Étapes ---- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.step__n{font-family:var(--font-mono);font-weight:600;font-size:13px;color:var(--blue-600);letter-spacing:.1em;}
.step__icon{width:56px;height:56px;border-radius:var(--radius-lg);display:grid;place-items:center;color:#fff;background:var(--grad-brand);box-shadow:var(--shadow-glow);margin:14px 0 16px;}
.step h3{font-size:20px;margin:0 0 8px;}
.step p{margin:0;color:var(--text-muted);font-size:15px;}

/* ---- Section boîtier ---- */
.device{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;}
.device__visual{position:relative;aspect-ratio:4/3;border-radius:var(--radius-2xl);overflow:hidden;display:grid;place-items:center;box-shadow:var(--shadow-xl);
  background:radial-gradient(90% 80% at 30% 20%,rgba(43,196,240,.22),transparent 60%),var(--grad-ink);}
.device__obd{width:54%;aspect-ratio:1/1.1;border-radius:18px;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:linear-gradient(160deg,#1b2536,#0d1622);border:1px solid rgba(255,255,255,.1);box-shadow:0 30px 60px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.08);}
.device__obd::after{content:"";position:absolute;bottom:-1px;width:38%;height:16px;border-radius:0 0 6px 6px;background:linear-gradient(#243044,#161f2e);}
.device__obd img{width:46%;filter:drop-shadow(0 4px 14px rgba(43,196,240,.4));}
.device__obd span{font-family:var(--font-display);font-weight:700;color:#fff;font-size:15px;letter-spacing:.08em;}
.device__led{width:9px;height:9px;border-radius:50%;background:var(--cyan-500);box-shadow:0 0 12px var(--cyan-500);}
.bullet{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--slate-100);}
.bullet:last-child{border-bottom:0;}
.bullet__ic{flex:none;width:40px;height:40px;border-radius:var(--radius-md);display:grid;place-items:center;background:var(--blue-50);color:var(--blue-600);}
.bullet__ic .ic{width:20px;height:20px;}
.bullet h4{margin:0 0 3px;font-size:16px;}
.bullet p{margin:0;font-size:14px;color:var(--text-muted);line-height:1.5;}

/* ---- Impact ---- */
.impact{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.impact b{display:block;font-family:var(--font-display);font-weight:700;font-size:clamp(2.2rem,4vw,3rem);letter-spacing:-.03em;
  background:var(--grad-brand-soft);-webkit-background-clip:text;background-clip:text;color:transparent;}
.impact span{color:rgba(255,255,255,.7);font-size:15px;}

/* ---- CTA contact ---- */
.cta-band{background:var(--grad-brand);border-radius:var(--radius-2xl);padding:clamp(2.2rem,4vw,3.5rem);
  display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(2rem,4vw,3.5rem);align-items:center;box-shadow:var(--shadow-xl);}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,3vw,2.5rem);margin:0 0 12px;line-height:1.1;letter-spacing:-.02em;}
.cta-band p{color:rgba(255,255,255,.85);margin:0;font-size:1.05rem;}
.cta-band .contact-lines{display:flex;gap:22px;margin-top:26px;flex-wrap:wrap;}
.cta-band .contact-lines span{display:inline-flex;align-items:center;gap:9px;color:#fff;font-weight:600;font-size:15px;}
.cta-band .contact-lines .ic{width:18px;height:18px;}
.cta-form{background:#fff;border-radius:var(--radius-xl);padding:22px;box-shadow:var(--shadow-lg);}
.cta-form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-success{text-align:center;padding:20px 8px;}
.form-success .tick{width:52px;height:52px;margin:0 auto 14px;border-radius:50%;background:var(--success-50);color:var(--success-600);display:grid;place-items:center;}
.form-success p{font-family:var(--font-display);font-weight:600;font-size:18px;color:var(--text-strong);margin:0;}

/* ---- Footer ---- */
.footer{background:var(--ink-black);color:rgba(255,255,255,.66);padding-block:56px 30px;}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer__logo{height:40px;width:auto;margin-bottom:16px;}
.footer__about{font-size:14px;line-height:1.6;max-width:280px;}
.footer__social{display:flex;gap:10px;margin-top:18px;}
.footer__social a{width:36px;height:36px;border-radius:9px;display:grid;place-items:center;background:rgba(255,255,255,.08);color:rgba(255,255,255,.7);}
.footer__social .ic{width:17px;height:17px;}
.footer h5{font-family:var(--font-display);font-size:14px;color:#fff;margin:0 0 14px;}
.footer__col a{display:block;color:rgba(255,255,255,.62);font-size:14px;padding:5px 0;}
.footer__col a:hover{color:var(--cyan-400);}
.footer__bottom{display:flex;align-items:center;justify-content:space-between;padding-top:22px;font-size:13px;color:rgba(255,255,255,.45);flex-wrap:wrap;gap:12px;}
.footer__bottom .mono{font-family:var(--font-mono);}

/* ============================================================
   RESPONSIVE
   ============================================================ */
.mobile-menu{display:none;}
@media (max-width:920px){
  .nav__links{display:none;}
  .nav__burger{display:inline-flex;}
  .nav__cta{display:none;}
  .hero__grid,.device,.mock__body,.cta-band{grid-template-columns:1fr;}
  .grid-3,.grid-4,.steps,.impact{grid-template-columns:1fr 1fr;}
  .footer__top{grid-template-columns:1fr 1fr;}
  .cta-form .row{grid-template-columns:1fr;}
  /* menu mobile déroulant */
  .mobile-menu.is-open{display:flex;flex-direction:column;gap:4px;padding:12px var(--gutter) 18px;
    background:#fff;border-bottom:1px solid var(--border-subtle);}
  .mobile-menu a{padding:10px 0;font-weight:600;color:var(--slate-700);}
  .mobile-menu .btn{margin-top:8px;}
}
@media (max-width:560px){
  .grid-3,.grid-4,.steps,.impact,.grid-2,.footer__top{grid-template-columns:1fr;}
  .hero__meta{gap:18px;}
}

/* Accessibilité : réduire le mouvement */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}