/* Nexa Solution — Landing
   Style conservé (dark/light + cartes), avec section offres optimisée conversion.
*/

:root{
  --bg: #0b1220;
  --surface: rgba(255,255,255,.06);
  --surface-2: rgba(255,255,255,.10);
  --border: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --muted-2: rgba(255,255,255,.55);

  --brand-1: #35c6ff;
  --brand-2: #f5d07a;
  --danger: #ff3b3b;
  --ok: #22c55e;

  --shadow: 0 18px 60px rgba(0,0,0,.35);
  --radius: 18px;

  --max: 1120px;
  --pad: 20px;
}

html[data-theme="light"]{
  --bg: #f6f7fb;
  --surface: rgba(10,20,40,.04);
  --surface-2: rgba(10,20,40,.07);
  --border: rgba(10,20,40,.10);
  --text: rgba(10,20,40,.92);
  --muted: rgba(10,20,40,.70);
  --muted-2: rgba(10,20,40,.55);
  --shadow: 0 18px 60px rgba(10,20,40,.10);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: "Manrope", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 600px at 70% -10%, rgba(53,198,255,.18), transparent 55%),
              radial-gradient(900px 500px at 20% 10%, rgba(245,208,122,.12), transparent 55%),
              radial-gradient(900px 500px at 90% 30%, rgba(255,59,59,.10), transparent 55%),
              var(--bg);
  color: var(--text);
}

a{color:inherit}
.container{max-width:var(--max); margin:0 auto; padding:0 var(--pad)}
.row{display:flex; gap:16px; align-items:center}
.spacer{flex:1}
.small{font-size:14px; color:var(--muted)}
.badge{
  display:inline-flex; gap:8px; align-items:center;
  padding:8px 12px; border:1px solid var(--border);
  background: var(--surface); border-radius:999px;
  color: var(--muted);
}

header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: linear-gradient(to bottom, rgba(0,0,0,.28), transparent);
  border-bottom:1px solid rgba(255,255,255,.06);
}
html[data-theme="light"] header{
  background: linear-gradient(to bottom, rgba(255,255,255,.70), rgba(255,255,255,.20));
  border-bottom:1px solid rgba(10,20,40,.08);
}

.nav{ height:68px; }
.logo{ display:flex; align-items:center; gap:10px; text-decoration:none; }
.logo img{
  width:34px; height:34px; border-radius:10px;
  box-shadow: 0 10px 25px rgba(0,0,0,.22);
}
.logo b{letter-spacing:.2px}
.navlinks{display:flex; gap:14px; align-items:center}
.navlinks a{
  text-decoration:none;
  padding:8px 10px;
  border-radius:10px;
  color: var(--muted);
}
.navlinks a:hover{background:var(--surface); color:var(--text)}
.iconbtn{
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  cursor:pointer;
}
.iconbtn:hover{background:var(--surface-2)}

.hero{padding:56px 0 24px}
.grid2{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:22px;
  align-items:stretch;
}
@media (max-width: 980px){
  .grid2{grid-template-columns:1fr}
  .navlinks{display:none}
}

.card{
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
html[data-theme="light"] .card{
  background: linear-gradient(180deg, rgba(255,255,255,.90), rgba(255,255,255,.70));
}

.heroCard{padding:26px}
.hTitle{
  font-family:"Space Grotesk", "Manrope", ui-sans-serif, system-ui;
  font-size:46px; line-height:1.05; margin:10px 0 10px;
  letter-spacing:-.6px;
}
@media (max-width: 560px){ .hTitle{font-size:36px} }
.hSub{font-size:18px; line-height:1.55; color:var(--muted); margin:0 0 18px}

.btns{display:flex; gap:12px; flex-wrap:wrap; margin-top:10px}
.btn{
  border-radius:14px;
  padding:12px 14px;
  border:1px solid var(--border);
  background: var(--surface);
  cursor:pointer;
  font-weight:700;
  text-decoration:none;
  display:inline-flex;
  gap:10px;
  align-items:center;
}
.btn:hover{background:var(--surface-2)}
.btnPrimary{
  border-color: rgba(53,198,255,.35);
  background: linear-gradient(90deg, rgba(53,198,255,.22), rgba(245,208,122,.16));
}
.btnDanger{
  border-color: rgba(255,59,59,.35);
  background: linear-gradient(90deg, rgba(255,59,59,.18), rgba(255,255,255,.06));
}

.kpis{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin-top:18px;
}
@media (max-width: 560px){ .kpis{grid-template-columns:1fr} }
.kpi{
  padding:14px;
  border-radius:14px;
  border:1px solid var(--border);
  background: var(--surface);
}
.kpi b{display:block; font-size:16px}
.kpi span{display:block; margin-top:4px; color:var(--muted); font-size:14px}

.sideCard{padding:22px}
.sideCard h3{margin:8px 0 8px}
.list{ margin:0; padding-left:18px; color:var(--muted); }
.list li{margin:8px 0}

.section{padding:34px 0}
.section h2{
  margin:0 0 8px;
  font-size:30px;
  line-height:1.15;
  letter-spacing:-.4px;
  font-family:"Space Grotesk", "Manrope", ui-sans-serif, system-ui;
}
.section p{margin:0 0 16px; color:var(--muted); line-height:1.6}

.cards3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
}
@media (max-width: 980px){ .cards3{grid-template-columns:1fr} }
.mini{
  padding:18px;
  border-radius:16px;
  border:1px solid var(--border);
  background: var(--surface);
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
}
.mini:hover{
  transform: translateY(-2px);
  border-color: rgba(53,198,255,.28);
}
.mini .top{display:flex; gap:10px; align-items:center}
.dot{
  width:10px; height:10px; border-radius:999px;
  background: var(--brand-1);
  box-shadow: 0 0 0 6px rgba(53,198,255,.12);
}
.dot.red{background: var(--danger); box-shadow: 0 0 0 6px rgba(255,59,59,.10)}
.dot.gold{background: var(--brand-2); box-shadow: 0 0 0 6px rgba(245,208,122,.10)}
.mini b{display:block}
.mini small{color:var(--muted-2)}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
@media (max-width: 980px){ .split{grid-template-columns:1fr} }

/* Offres */
.pricingGrid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
}
@media (max-width: 980px){ .pricingGrid{grid-template-columns:1fr} }
.pricingCard{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.pricingCard .btn{margin-top:auto}
.pricingTop{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
}
.price{
  font-size:34px;
  font-weight:800;
  letter-spacing:-.5px;
  line-height:1.1;
}
.price span{
  font-size:15px;
  color:var(--muted);
  font-weight:600;
  margin-left:4px;
}
.listClean{
  margin:0;
  padding:0;
  list-style:none;
  color:var(--muted);
  display:grid;
  gap:8px;
}
.listClean li{
  position:relative;
  padding-left:16px;
}
.listClean li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:6px;
  height:6px;
  border-radius:999px;
  background:var(--brand-1);
}

.demo{
  padding:18px;
  border-radius: 18px;
  border:1px solid var(--border);
  background: var(--surface);
}
.demoHead{
  display:flex; align-items:center; gap:10px;
  border-bottom:1px solid var(--border);
  padding-bottom:10px;
}
.pill{
  margin-left:auto;
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  color: var(--muted);
  background: rgba(0,0,0,.08);
}
html[data-theme="light"] .pill{background: rgba(255,255,255,.55)}

.chatbox{
  margin-top:12px;
  height:310px;
  overflow:auto;
  padding:12px;
  border-radius:14px;
  border:1px solid var(--border);
  background: rgba(0,0,0,.12);
}
html[data-theme="light"] .chatbox{background: rgba(255,255,255,.55)}
.msg{max-width: 80%; padding:10px 12px; border-radius:14px; margin:10px 0; line-height:1.4}
.msg.ai{background: rgba(53,198,255,.14); border:1px solid rgba(53,198,255,.22)}
.msg.me{margin-left:auto; background: rgba(255,255,255,.10); border:1px solid var(--border)}
.chatInput{ display:flex; gap:10px; margin-top:10px; }

.input{
  flex:1;
  border-radius:12px;
  padding:12px 12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
}
html[data-theme="light"] .input{background: rgba(255,255,255,.85); color: var(--text)}

.footer{
  padding:26px 0 40px;
  border-top:1px solid rgba(255,255,255,.08);
  color: var(--muted);
}
.footer a{color: var(--muted)}
.footer a:hover{color: var(--text)}
.footerGrid{ display:grid; gap:12px; grid-template-columns: 1.2fr .8fr; }
@media (max-width: 980px){ .footerGrid{grid-template-columns:1fr} }

.hr{height:1px; background: rgba(255,255,255,.08); margin:18px 0}
html[data-theme="light"] .hr{background: rgba(10,20,40,.10)}

/* Modal */
.modalOverlay{
  position:fixed; inset:0; z-index:100;
  background: rgba(0,0,0,.55);
  display:none;
  align-items:center;
  justify-content:center;
  padding: 18px;
}
.modal{
  width: min(620px, 100%);
  border-radius: 18px;
  border:1px solid var(--border);
  background: var(--bg);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.modalHead{
  display:flex; align-items:center; gap:10px;
  padding:14px 16px;
  border-bottom:1px solid var(--border);
}
.modalBody{padding:16px}
.formGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
@media (max-width: 560px){ .formGrid{grid-template-columns:1fr} }
label{display:block; font-size:13px; color: var(--muted); margin-bottom:6px}
textarea.input{min-height:110px; resize:vertical}
.notice{font-size:12px; color: var(--muted-2); line-height:1.4}
.hidden{display:none !important}

/* Reveal animations */
.reveal{
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .45s ease, transform .45s ease;
}
.reveal.visible{
  opacity: 1;
  transform: translateY(0);
}
.revealStagger > *{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .45s ease, transform .45s ease;
}
.revealStagger.visible > *{
  opacity: 1;
  transform: translateY(0);
}
.revealStagger.visible > *:nth-child(2){transition-delay:.07s}
.revealStagger.visible > *:nth-child(3){transition-delay:.14s}
.revealStagger.visible > *:nth-child(4){transition-delay:.21s}

@media (prefers-reduced-motion: reduce){
  .mini,
  .reveal,
  .revealStagger > *{
    transition:none !important;
    transform:none !important;
    opacity:1 !important;
  }
}

/* Landing V2 test: version prospection B2B plus concrete. */
.landing-v2{
  --bg:#f4fbf8;
  --surface:rgba(255,255,255,.78);
  --surface-2:rgba(255,255,255,.92);
  --border:rgba(24,24,20,.14);
  --text:#181814;
  --muted:rgba(24,24,20,.68);
  --muted-2:rgba(24,24,20,.50);
  --brand-1:#0aa6a6;
  --brand-2:#f0b429;
  --danger:#d64545;
  --ok:#168a53;
  --shadow:0 26px 80px rgba(24,24,20,.14);
  --radius:8px;
  font-family:"Archivo", ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif;
  background:
    linear-gradient(135deg, rgba(10,166,166,.10), transparent 38%),
    linear-gradient(215deg, rgba(240,180,41,.16), transparent 36%),
    repeating-linear-gradient(0deg, rgba(24,24,20,.035) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(90deg, rgba(24,24,20,.028) 0 1px, transparent 1px 88px),
    var(--bg);
}

.landing-v2,
.landing-v2 *{
  letter-spacing:0;
}

.landing-v2 h1,
.landing-v2 h2,
.landing-v2 h3,
.landing-v2 .hTitle{
  font-family:"Newsreader", Georgia, serif;
  letter-spacing:0;
}

.landing-v2 header{
  background:rgba(244,251,248,.88);
  border-bottom:1px solid var(--border);
}

.landing-v2 .nav{
  height:76px;
}

.landing-v2 .navlinks a{
  border-radius:8px;
}

.landing-v2 .logo img,
.landing-v2 .pill{
  border-radius:8px;
}

.landing-v2 .btn,
.landing-v2 .iconbtn,
.landing-v2 .mini,
.landing-v2 .card,
.landing-v2 .demo,
.landing-v2 .modal,
.landing-v2 .input{
  border-radius:8px;
}

.landing-v2 .btnPrimary{
  color:#071312;
  border-color:rgba(10,166,166,.42);
  background:linear-gradient(135deg, rgba(10,166,166,.30), rgba(240,180,41,.34));
}

.landing-v2 .btnDanger{
  border-color:rgba(214,69,69,.22);
  background:rgba(214,69,69,.08);
}

.landing-v2 .heroV2{
  padding:76px 0 42px;
}

.heroGrid{
  display:grid;
  grid-template-columns:minmax(0, .92fr) minmax(360px, 1.08fr);
  gap:28px;
  align-items:center;
}

.heroCopy{
  padding:8px 0;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
  padding:7px 10px;
  border:1px solid var(--border);
  border-radius:8px;
  background:rgba(255,255,255,.62);
  color:var(--muted);
  font-size:12px;
  font-weight:800;
  text-transform:uppercase;
}

.landing-v2 .hTitle{
  max-width:780px;
  font-size:64px;
  line-height:.96;
  margin:0 0 20px;
}

.landing-v2 .hSub{
  max-width:680px;
  font-size:20px;
  color:var(--muted);
}

.trustLine{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}

.trustLine span{
  padding:8px 10px;
  border:1px solid var(--border);
  border-radius:8px;
  background:rgba(255,255,255,.62);
  color:var(--muted);
  font-size:13px;
  font-weight:700;
}

.proofStage{
  min-height:560px;
  padding:18px;
  border:1px solid var(--border);
  border-radius:8px;
  background:
    linear-gradient(145deg, rgba(24,24,20,.95), rgba(24,24,20,.82)),
    #181814;
  box-shadow:var(--shadow);
}

.browserMock{
  height:100%;
  min-height:520px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:8px;
  overflow:hidden;
  background:#f8fcfa;
}

.browserTop{
  display:flex;
  align-items:center;
  gap:7px;
  height:38px;
  padding:0 12px;
  background:#25241f;
  color:rgba(255,255,255,.58);
  font-size:12px;
}

.browserTop span{
  width:9px;
  height:9px;
  border-radius:999px;
  background:#f05252;
}

.browserTop span:nth-child(2){background:#f0b429}
.browserTop span:nth-child(3){background:#0aa6a6}
.browserTop b{margin-left:8px; font-weight:600}

.siteMock{
  position:relative;
  min-height:482px;
  padding:28px;
  background:
    linear-gradient(180deg, rgba(10,166,166,.08), transparent 50%),
    #f8fcfa;
}

.siteHeroLine,
.siteCopyLine{
  height:18px;
  border-radius:8px;
  background:rgba(24,24,20,.13);
}

.siteHeroLine{width:46%; height:34px}
.siteCopyLine{width:62%; margin-top:14px}

.widgetCard{
  position:absolute;
  right:28px;
  bottom:28px;
  width:min(360px, calc(100% - 56px));
  padding:16px;
  border:1px solid rgba(24,24,20,.14);
  border-radius:8px;
  background:#fff;
  color:#181814;
  box-shadow:0 24px 60px rgba(24,24,20,.22);
}

.widgetHead{
  display:flex;
  align-items:center;
  gap:9px;
  margin-bottom:12px;
}

.widgetHead img{
  width:28px;
  height:28px;
  border-radius:8px;
}

.bubble{
  padding:10px 12px;
  border-radius:8px;
  margin:10px 0;
  line-height:1.42;
  font-size:14px;
}

.bubble.ai{
  background:rgba(10,166,166,.12);
  border:1px solid rgba(10,166,166,.20);
}

.bubble.me{
  margin-left:auto;
  max-width:78%;
  background:#181814;
  color:#fff;
}

.choiceGrid{
  display:grid;
  gap:8px;
  grid-template-columns:1fr 1fr;
}

.choiceGrid span{
  padding:9px;
  border:1px solid rgba(24,24,20,.14);
  border-radius:8px;
  font-size:12px;
  font-weight:800;
}

.formPreview{
  margin-top:12px;
  padding:12px;
  border-radius:8px;
  background:#eff8f5;
  border:1px solid rgba(24,24,20,.12);
}

.formPreview small{
  display:block;
  margin-top:6px;
  color:rgba(24,24,20,.66);
  line-height:1.45;
}

.sectionHead{
  max-width:760px;
  margin-bottom:22px;
}

.sectionHead h2{
  font-size:42px;
}

.proofBand{
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  background:rgba(255,255,255,.38);
}

.proofGrid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:12px;
}

.proofItem{
  padding:18px;
  border:1px solid var(--border);
  border-radius:8px;
  background:rgba(255,255,255,.72);
}

.proofItem b{
  display:block;
  font-size:17px;
}

.proofItem p{
  margin:10px 0 0;
  color:var(--muted);
}

.journey{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:12px;
}

.journey article{
  padding:22px;
  min-height:250px;
  border:1px solid var(--border);
  border-radius:8px;
  background:rgba(255,255,255,.72);
}

.journey span{
  display:inline-flex;
  margin-bottom:28px;
  font-weight:900;
  font-size:42px;
  color:rgba(10,166,166,.82);
}

.journey h3{
  margin:0 0 10px;
  font-size:28px;
  line-height:1;
}

.splitWide{
  display:grid;
  grid-template-columns:.78fr 1.22fr;
  gap:26px;
  align-items:start;
}

.caseList{
  display:grid;
  gap:12px;
}

.caseList article{
  padding:18px;
  border-left:4px solid var(--brand-1);
  background:rgba(255,255,255,.72);
  border-radius:8px;
}

.pilotSection{
  background:#181814;
  color:rgba(255,255,255,.94);
}

.pilotSection .small,
.pilotSection p,
.pilotSection .notice,
.pilotSection .eyebrow{
  color:rgba(255,255,255,.70);
}

.pilotGrid{
  display:grid;
  grid-template-columns:1fr minmax(320px,.72fr);
  gap:22px;
  align-items:center;
}

.pilotCopy h2{
  color:#fff;
  font-size:48px;
}

.pilotCard{
  padding:22px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:8px;
  background:rgba(255,255,255,.08);
}

.pilotCard .price{
  color:#fff;
  margin-bottom:16px;
}

.faqGrid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:12px;
}

.landing-v2 .demo{
  background:rgba(255,255,255,.72);
}

.landing-v2 .chatbox{
  background:rgba(24,24,20,.05);
}

html[data-theme="dark"] .landing-v2,
.landing-v2[data-theme="dark"]{
  --bg:#161511;
  --surface:rgba(255,255,255,.07);
  --surface-2:rgba(255,255,255,.11);
  --border:rgba(255,255,255,.14);
  --text:rgba(255,255,255,.94);
  --muted:rgba(255,255,255,.70);
  --muted-2:rgba(255,255,255,.50);
  background:
    linear-gradient(135deg, rgba(10,166,166,.16), transparent 38%),
    linear-gradient(215deg, rgba(240,180,41,.12), transparent 36%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 88px),
    var(--bg);
}

html[data-theme="dark"] .landing-v2 header{
  background:rgba(22,21,17,.86);
}

html[data-theme="dark"] .landing-v2 .proofItem,
html[data-theme="dark"] .landing-v2 .journey article,
html[data-theme="dark"] .landing-v2 .caseList article,
html[data-theme="dark"] .landing-v2 .demo{
  background:rgba(255,255,255,.07);
}

@media (max-width: 980px){
  .heroGrid,
  .splitWide,
  .pilotGrid{
    grid-template-columns:1fr;
  }
  .landing-v2 .hTitle{
    font-size:48px;
  }
  .proofGrid,
  .journey,
  .faqGrid{
    grid-template-columns:1fr;
  }
  .proofStage{
    min-height:auto;
  }
}

@media (max-width: 560px){
  .landing-v2 .hTitle{
    font-size:40px;
  }
  .sectionHead h2,
  .pilotCopy h2{
    font-size:34px;
  }
  .choiceGrid{
    grid-template-columns:1fr;
  }
  .widgetCard{
    position:relative;
    right:auto;
    bottom:auto;
    width:100%;
    margin-top:28px;
  }
  .siteMock{
    min-height:auto;
  }
}