/* ============================================================
   SMARTENSITY — Feuille de style partagée
   Palette : navy + green + Inter
   ============================================================ */
:root{
  --navy:#0A2540;
  --navy-deep:#06192C;
  --green:#00D084;
  --green-soft:#00B574;
  --blue:#2E90FA;
  --bg:#F7F9FC;
  --white:#FFFFFF;
  --grey-50:#F2F4F7;
  --grey-100:#E4E7EC;
  --grey-300:#98A2B3;
  --grey-500:#667085;
  --grey-700:#344054;
  --dark:#1A1D23;
  --radius:14px;
  --shadow:0 1px 2px rgba(10,37,64,.05), 0 8px 24px rgba(10,37,64,.06);
  --shadow-lg:0 24px 60px rgba(10,37,64,.12);
  --gradient:linear-gradient(135deg,#2E90FA 0%,#00D084 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,Arial,sans-serif;
  color:var(--dark);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ===== NAVBAR ===== */
header.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--grey-100);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px;}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-1px;font-size:22px;color:var(--navy);flex-shrink:0;}
.logo svg{width:40px;height:40px}
.nav-links{display:flex;gap:30px;flex-wrap:wrap;justify-content:center;flex:1;}
.nav-links a{font-size:14px;font-weight:500;color:var(--grey-700);transition:color .2s;position:relative;}
.nav-links a:hover{color:var(--navy)}
.nav-links a.active{color:var(--navy);font-weight:700;}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-22px;height:2px;background:var(--green);}
.cta{
  background:var(--navy);color:var(--white);
  padding:11px 22px;border-radius:10px;
  font-weight:600;font-size:14px;
  transition:all .2s;
  display:inline-flex;align-items:center;gap:8px;
  border:none;cursor:pointer;white-space:nowrap;
}
.cta:hover{background:var(--navy-deep);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.cta.green{background:var(--green);color:var(--navy)}
.cta.green:hover{background:var(--green-soft);color:var(--white)}
.cta.ghost{background:transparent;color:var(--navy);border:1.5px solid var(--grey-100)}
.cta.ghost:hover{border-color:var(--navy);background:var(--white)}
.cta.ghost-light{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.25);}
.cta.ghost-light:hover{border-color:var(--white);background:rgba(255,255,255,.05);}

/* Mobile menu */
.burger{display:none;background:transparent;border:none;cursor:pointer;width:40px;height:40px;align-items:center;justify-content:center;color:var(--navy);}
.burger svg{width:24px;height:24px;}

/* ===== HERO PAGE GÉNÉRIQUE ===== */
.hero-page{
  padding:80px 0 70px;
  background:
    radial-gradient(ellipse 70% 60% at 80% 20%, rgba(0,208,132,.08), transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 90%, rgba(46,144,250,.07), transparent 60%),
    var(--bg);
  position:relative;overflow:hidden;
}
.hero-page::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(10,37,64,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,37,64,.04) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 60% 70% at 50% 40%, #000 30%, transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 60% 70% at 50% 40%, #000 30%, transparent 80%);
}
.hero-page .container{position:relative;z-index:2;}
.hero-page h1{
  font-size:clamp(36px,5vw,58px);
  font-weight:800;letter-spacing:-2px;line-height:1.05;
  color:var(--navy);margin-bottom:22px;max-width:920px;
}
.hero-page h1 span{
  background:var(--gradient);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-page .lead-hero{
  font-size:19px;color:var(--grey-700);max-width:760px;margin-bottom:32px;line-height:1.6;
}
.breadcrumb{font-size:13px;color:var(--grey-500);margin-bottom:18px;letter-spacing:.3px;}
.breadcrumb a{color:var(--green-soft);}
.breadcrumb a:hover{color:var(--navy);text-decoration:underline;}

/* ===== SECTIONS GÉNÉRIQUES ===== */
section{padding:90px 0;position:relative}
section.tight{padding:60px 0;}
.eyebrow{
  text-transform:uppercase;letter-spacing:2.5px;
  font-size:12px;font-weight:700;color:var(--green-soft);
  margin-bottom:14px;display:block;
}
h2{
  font-size:clamp(28px,3.4vw,42px);font-weight:800;letter-spacing:-1.5px;
  color:var(--navy);line-height:1.1;margin-bottom:18px;
}
h2 span.gradient{
  background:var(--gradient);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{font-size:17px;color:var(--grey-700);max-width:720px;margin-bottom:50px;line-height:1.65;}

/* ===== CARDS ===== */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}

.card{
  padding:32px 28px;background:var(--white);
  border:1px solid var(--grey-100);border-radius:var(--radius);
  transition:all .3s;position:relative;overflow:hidden;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:transparent;}
.card .ico{
  width:46px;height:46px;border-radius:11px;
  background:var(--navy);color:var(--white);
  display:grid;place-items:center;font-size:20px;margin-bottom:18px;
}
.card.green-accent{border-left:3px solid var(--green);}
.card.gradient-top::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient);}
.card h3{font-size:18px;font-weight:700;color:var(--navy);margin-bottom:10px;letter-spacing:-.3px;line-height:1.25;}
.card p{font-size:14.5px;color:var(--grey-700);line-height:1.6;}
.card .step-num{
  font-size:14px;font-weight:700;color:var(--green-soft);
  letter-spacing:1.5px;margin-bottom:12px;
}

/* Layered card (with top accent gradient) */
.card-layer{padding:32px;background:linear-gradient(135deg,var(--grey-50) 0%,var(--white) 100%);
  border-radius:var(--radius);border:1px solid var(--grey-100);
  position:relative;overflow:hidden;}
.card-layer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient);}

/* ===== STEPS LIST (numbered) ===== */
.steps-list{display:flex;flex-direction:column;gap:14px;}
.step-row{
  display:grid;grid-template-columns:90px 1fr;gap:24px;
  padding:26px 30px;background:var(--white);
  border-radius:var(--radius);border:1px solid var(--grey-100);
  align-items:start;transition:all .3s;
}
.step-row:hover{box-shadow:var(--shadow);border-color:var(--green);}
.step-row .num{
  font-size:42px;font-weight:800;color:var(--green-soft);
  letter-spacing:-2px;line-height:1;
}
.step-row h3{font-size:18px;font-weight:700;color:var(--navy);margin-bottom:8px;letter-spacing:-.3px;}
.step-row p{font-size:14.5px;color:var(--grey-700);line-height:1.6;margin-bottom:12px;}
.step-row .deliverable{
  display:inline-block;background:var(--navy);color:var(--white);
  padding:5px 14px;border-radius:100px;font-size:11px;font-weight:600;
  letter-spacing:.6px;text-transform:uppercase;
}

/* ===== BLOC NAVY ===== */
.section-dark{background:var(--navy);color:var(--white);position:relative;overflow:hidden;}
.section-dark::before{
  content:"";position:absolute;top:-50%;right:-20%;width:80%;height:200%;
  background:radial-gradient(ellipse,rgba(0,208,132,.12),transparent 60%);
}
.section-dark .container{position:relative;z-index:2;}
.section-dark h2{color:var(--white);}
.section-dark .eyebrow{color:var(--green);}
.section-dark .lead{color:rgba(255,255,255,.75);}
.section-dark .card{
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.08);
}
.section-dark .card:hover{background:rgba(255,255,255,.07);border-color:rgba(0,208,132,.4);}
.section-dark .card h3{color:var(--white);}
.section-dark .card p{color:rgba(255,255,255,.7);}

/* ===== BANDEAU CTA FINAL ===== */
.final-cta{
  background:var(--navy);color:var(--white);
  padding:110px 0;position:relative;overflow:hidden;
}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse 50% 60% at 20% 50%, rgba(0,208,132,.15), transparent 60%),
    radial-gradient(ellipse 50% 60% at 80% 50%, rgba(46,144,250,.12), transparent 60%);
}
.final-cta .container{position:relative;z-index:2;text-align:center;max-width:780px;}
.final-cta h2{color:var(--white);font-size:clamp(32px,4.2vw,52px);margin-bottom:22px;}
.final-cta p{font-size:18px;color:rgba(255,255,255,.8);margin-bottom:36px;}
.final-cta .ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.final-cta .cta{background:var(--green);color:var(--navy);font-weight:700;}
.final-cta .cta:hover{background:var(--green-soft);color:var(--white);}

/* ===== FOOTER ===== */
footer{background:var(--navy-deep);color:rgba(255,255,255,.6);padding:60px 0 30px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
footer h5{color:var(--white);font-size:13px;font-weight:700;letter-spacing:1.5px;margin-bottom:18px;text-transform:uppercase}
footer ul{list-style:none}
footer li{padding:5px 0}
footer a{color:rgba(255,255,255,.65);transition:color .2s}
footer a:hover{color:var(--green)}
.foot-brand p{margin-top:18px;max-width:340px;line-height:1.65}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;
}
.foot-brand .logo{color:#fff;}

/* ===== INFO BLOCKS ===== */
.info-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;}
.info-grid-2 ul{list-style:none;margin-top:24px;}
.info-grid-2 li{padding:10px 0 10px 28px;position:relative;color:var(--grey-700);font-size:15px;line-height:1.55;}
.info-grid-2 li::before{
  content:"";position:absolute;left:0;top:18px;width:14px;height:2px;background:var(--green);
}

/* ===== TABLE COMPARATIVE ===== */
.diff-table{
  background:var(--white);border-radius:18px;overflow:hidden;
  border:1px solid var(--grey-100);box-shadow:var(--shadow);
  margin-top:40px;
}
.diff-row{
  display:grid;grid-template-columns:2fr repeat(4,1fr);
  padding:18px 24px;border-bottom:1px solid var(--grey-100);align-items:center;gap:8px;
}
.diff-row:last-child{border-bottom:none}
.diff-row.head{background:var(--navy);color:var(--white)}
.diff-row.head .col{color:var(--white);font-weight:700;font-size:12.5px;letter-spacing:.4px}
.col{font-size:14.5px;color:var(--grey-700)}
.col.label{font-weight:600;color:var(--navy)}
.chk{font-size:18px;font-weight:800;display:inline-block;text-align:center;}
.chk.yes{color:var(--green-soft)}
.chk.no{color:#E04F5F}
.chk.partial{color:#F79009}
.diff-row .col:last-child{background:rgba(0,208,132,.05);border-left:2px solid var(--green);padding-left:10px;text-align:center;border-radius:4px;}
.diff-row.head .col:last-child{background:rgba(0,208,132,.18);color:var(--green);border-left:none;}

/* ===== KPI / STATS ===== */
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px;}
.kpi{padding:28px;background:var(--white);border:1px solid var(--grey-100);border-radius:var(--radius);text-align:center;}
.kpi .v{font-size:42px;font-weight:900;background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-1.5px;line-height:1;margin-bottom:6px;}
.kpi .lbl{font-size:13px;color:var(--grey-700);font-weight:500;line-height:1.5;}

/* ===== TIMELINE VERTICAL ===== */
.timeline{position:relative;padding-left:38px;margin-top:40px;}
.timeline::before{content:"";position:absolute;left:14px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--green),var(--blue));}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--white);border:3px solid var(--green);
}
.timeline-item h4{font-size:17px;font-weight:700;color:var(--navy);margin-bottom:6px;}
.timeline-item p{font-size:14.5px;color:var(--grey-700);line-height:1.6;}

/* ===== TAG / BADGE ===== */
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:100px;
  background:rgba(0,208,132,.1);
  color:var(--green-soft);
  font-weight:600;font-size:13px;letter-spacing:.2px;
  margin-bottom:22px;
  border:1px solid rgba(0,208,132,.2);
}
.tag .dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* ===== INTRO BLOCK / SPLIT ===== */
.split-2{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;}
.split-2 .img-wrap{
  background:linear-gradient(135deg,var(--grey-50),var(--white));
  border-radius:18px;padding:30px;border:1px solid var(--grey-100);
  box-shadow:var(--shadow);
}

/* ===== MOCKUP DASHBOARD ===== */
.mock{
  background:var(--white);border-radius:14px;padding:20px;
  box-shadow:var(--shadow-lg);border:1px solid var(--grey-100);
  font-family:'Inter',sans-serif;
}
.mock-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;}
.mock-title{font-weight:700;color:var(--navy);font-size:14px;}
.mock-status{font-size:11px;color:var(--green-soft);font-weight:600;display:flex;align-items:center;gap:6px;}
.mock-status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(0,208,132,.18);}
.mock-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px;}
.mock-kpi{background:var(--grey-50);border-radius:9px;padding:12px;}
.mock-kpi .l{font-size:10px;color:var(--grey-500);font-weight:600;text-transform:uppercase;letter-spacing:.5px;}
.mock-kpi .v{font-size:19px;font-weight:800;color:var(--navy);margin-top:3px;letter-spacing:-.4px;}
.mock-chart{height:120px;background:linear-gradient(180deg,rgba(46,144,250,.06),transparent);border-radius:9px;position:relative;overflow:hidden;}
.mock-chart svg{width:100%;height:100%;}

/* ===== CALL-OUT BLOCK ===== */
.callout{
  background:linear-gradient(135deg,rgba(0,208,132,.07),rgba(46,144,250,.05));
  border-left:4px solid var(--green);
  padding:24px 28px;border-radius:var(--radius);
  margin:30px 0;
}
.callout strong{color:var(--navy);}

/* ===== RESPONSIVE ===== */
@media (max-width:1100px){
  .nav-links{gap:18px;}
  .nav-links a{font-size:13.5px;}
  .diff-row{padding:14px 16px;}
  .diff-row .col{font-size:13px;}
  .diff-row.head .col{font-size:11.5px;}
}
@media (max-width:980px){
  .container{padding:0 20px;}
  .nav-inner{height:64px;gap:12px;}
  .logo{font-size:19px;}
  .logo svg{width:34px;height:34px;}
  .nav-inner .cta{padding:9px 16px;font-size:13px;}
  .cards-3,.cards-4{grid-template-columns:1fr;}
  .cards-4{grid-template-columns:repeat(2,1fr);}
  .cards-2{grid-template-columns:1fr;}
  .info-grid-2,.split-2{grid-template-columns:1fr;gap:40px;}
  .kpi-row{grid-template-columns:repeat(2,1fr);}
  .diff-row{grid-template-columns:1.6fr 1fr;}
  .diff-row .col:nth-child(2),.diff-row .col:nth-child(3),.diff-row .col:nth-child(4){display:none;}
  .diff-row .col:last-child{background:rgba(0,208,132,.06);}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--white);
    flex-direction:column;align-items:stretch;padding:8px 0;border-bottom:1px solid var(--grey-100);
    box-shadow:var(--shadow);gap:0;z-index:200;}
  .nav-links.open{display:flex;}
  .nav-links a{padding:14px 24px;border-bottom:1px solid var(--grey-50);font-size:15px;}
  .nav-links a.active{background:var(--bg);}
  .nav-links a.active::after{display:none;}
  .burger{display:inline-flex;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  section{padding:54px 0;}
  .hero-page{padding:50px 0 50px;}
  .hero-page h1{font-size:clamp(28px,7vw,38px);letter-spacing:-1.2px;margin-bottom:16px;}
  .hero-page .lead-hero{font-size:16px;margin-bottom:24px;}
  h2{font-size:clamp(24px,5.5vw,32px);letter-spacing:-.8px;margin-bottom:14px;}
  .lead{font-size:15.5px;margin-bottom:36px;}
  .step-row{grid-template-columns:50px 1fr;gap:14px;padding:18px 18px;}
  .step-row .num{font-size:28px;}
  .step-row h3{font-size:16.5px;}
  .step-row p{font-size:14px;}
  .step-row .deliverable{font-size:10px;padding:4px 10px;}
  .quote-block p{font-size:17px;}
  .timeline{padding-left:30px;}
  .timeline::before{left:10px;}
  .timeline-item::before{left:-26px;width:12px;height:12px;}
  .timeline-item h4{font-size:15.5px;}
  .timeline-item p{font-size:14px;}
  .card{padding:24px 22px;}
  .card h3{font-size:17px;}
  .card p{font-size:14px;}
  .callout{padding:18px 20px;font-size:14px;}
  .final-cta{padding:70px 0;}
  .final-cta h2{font-size:clamp(26px,6vw,38px);}
  .final-cta p{font-size:16px;}
  .final-cta .ctas{flex-direction:column;align-items:stretch;}
  .final-cta .ctas .cta{width:100%;justify-content:center;text-align:center;}
  .hero-ctas .cta, .hero-page .cta{width:100%;justify-content:center;}
  .breadcrumb{font-size:12px;margin-bottom:14px;}
}
@media (max-width:620px){
  .cards-4{grid-template-columns:1fr;}
  .kpi-row{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;text-align:center;gap:10px;}
  section{padding:46px 0;}
  .archi-layer{grid-template-columns:1fr !important;gap:6px;padding:16px;}
  .endpoint-grid{grid-template-columns:1fr;}
  .tab-row{flex-direction:column;gap:4px;}
  .tab-btn{border-radius:8px;border-bottom:1px solid var(--grey-100);}
  .tab-btn.on{border-radius:8px;}
  .tab-panel{border-radius:var(--radius);}
  .tab-mock .row-mock{grid-template-columns:repeat(2,1fr);}
  .code-card{font-size:11.5px;padding:18px 16px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .nav-inner .cta{padding:8px 12px;font-size:12px;}
  .nav-inner .cta span{display:none;}
  .logo{font-size:17px;letter-spacing:-.5px;}
  .tab-mock .row-mock{grid-template-columns:1fr;}
  h1, .hero-page h1{font-size:28px !important;}
  h2{font-size:24px !important;}
  .hero-page{padding:40px 0;}
}

/* ===== ANIMATIONS ===== */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease;}
.reveal.shown{opacity:1;transform:translateY(0);}