/* Leka_Data : page d'accueil publique (préfixe lp-) */
.lp-body{height:auto;min-height:100%;background:#0a1020;color:#c5cde2;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow-x:hidden}
.lp-main{width:100%}
.lp-main a{color:inherit}
.lp-wrap{width:min(100% - 2.5rem,1160px);margin-inline:auto}
.lp-narrow{max-width:760px}

/* En-tête */
.lp-header{position:sticky;top:0;z-index:50;padding-top:env(safe-area-inset-top,0);border-bottom:1px solid transparent;transition:background .2s,border-color .2s}
.lp-header.is-scrolled{background:rgba(10,16,32,.85);backdrop-filter:blur(14px);border-color:rgba(255,255,255,.08)}
.lp-header-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;min-height:68px;gap:.5rem}
.lp-brand{display:inline-flex;align-items:center;gap:.55rem;color:#fff!important;font-weight:800;font-size:1.15rem;text-decoration:none}
.lp-brand .bi{color:#8ea2ff}
.lp-burger{width:44px;height:44px;border:1px solid rgba(255,255,255,.18);border-radius:.6rem;background:none;color:#fff;font-size:1.5rem;line-height:1}
.lp-nav-wrap{flex-basis:100%}
.lp-nav{display:flex;flex-direction:column;gap:.4rem;padding:.75rem 0 1rem}
.lp-nav a:not(.lp-btn){padding:.5rem 0;color:#c5cde2;font-size:.92rem;font-weight:600;text-decoration:none}
.lp-nav a:not(.lp-btn):hover{color:#fff}
@media(min-width:992px){.lp-nav-wrap{flex-basis:auto}.lp-nav{flex-direction:row;align-items:center;gap:1.6rem;padding:0}}

/* Boutons */
.lp-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:46px;padding:.65rem 1.2rem;border:1px solid transparent;border-radius:.8rem;font-size:.95rem;font-weight:700;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.lp-btn:hover{transform:translateY(-1px)}
.lp-btn:focus-visible,.lp-faq summary:focus-visible,.lp-demo-input:focus-visible{outline:3px solid rgba(142,162,255,.55);outline-offset:2px}
.lp-btn-primary{background:linear-gradient(135deg,#536fe0,#715ee2);color:#fff!important;box-shadow:0 8px 24px rgba(83,111,224,.35)}
.lp-btn-primary:hover{box-shadow:0 12px 30px rgba(83,111,224,.5)}
.lp-btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.2);color:#fff!important}
.lp-btn-ghost:hover{background:rgba(255,255,255,.1)}
.lp-btn-sm{min-height:38px;padding:.4rem .9rem;font-size:.85rem}

/* Hero */
.lp-hero{position:relative;overflow:hidden;padding:clamp(2.5rem,7vw,5.5rem) 0 clamp(3rem,7vw,6rem)}
.lp-hero::before{content:"";position:absolute;inset:-10% -10% auto;height:95%;background:radial-gradient(ellipse at 18% 20%,rgba(83,111,224,.38),transparent 55%),radial-gradient(ellipse at 85% 10%,rgba(113,94,226,.3),transparent 50%);animation:lp-drift 14s ease-in-out infinite alternate;pointer-events:none}
.lp-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse at 50% 0,#000 25%,transparent 72%);mask-image:radial-gradient(ellipse at 50% 0,#000 25%,transparent 72%);pointer-events:none}
.lp-hero-grid{position:relative;z-index:1;display:grid;gap:3rem;align-items:center}
@media(min-width:992px){.lp-hero-grid{grid-template-columns:1.05fr .95fr}}
.lp-pill{display:inline-flex;align-items:center;gap:.45rem;padding:.4rem .85rem;border:1px solid rgba(142,162,255,.3);border-radius:999px;background:rgba(83,111,224,.12);color:#b9c5ff;font-size:.78rem;font-weight:700}
.lp-hero h1{margin:1.2rem 0;color:#fff;font-size:clamp(2.1rem,5vw,3.6rem);font-weight:800;letter-spacing:-.035em;line-height:1.08}
.lp-rotator{display:inline-block;background:linear-gradient(135deg,#8ea2ff,#b9a3ff);-webkit-background-clip:text;background-clip:text;color:transparent;transition:opacity .25s,transform .25s}
.lp-rotator.is-out{opacity:0;transform:translateY(8px)}
.lp-lead{max-width:34rem;font-size:1.1rem;line-height:1.65}
.lp-cta{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.75rem 0}
.lp-badges{display:flex;flex-wrap:wrap;gap:.5rem 1.3rem;margin:0;padding:0;color:#93a0c0;font-size:.82rem;list-style:none}
.lp-badges .bi{margin-right:.35rem;color:#59c9a0}

/* Démo de chiffrement */
.lp-demo{padding:1.1rem 1.25rem 1.3rem;border:1px solid rgba(255,255,255,.12);border-radius:1.1rem;background:rgba(18,26,48,.75);backdrop-filter:blur(10px);box-shadow:0 30px 80px rgba(0,0,0,.45)}
.lp-demo-bar{display:flex;align-items:center;gap:.4rem;margin-bottom:1rem}
.lp-demo-bar span{width:10px;height:10px;border-radius:50%;background:#3a4668}
.lp-demo-bar small{margin-left:auto;color:#7d8aab;font-size:.72rem}
.lp-demo-label{display:flex;align-items:center;gap:.4rem;margin:.9rem 0 .4rem;color:#9aa8cc;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.lp-demo-input{width:100%;padding:.75rem .85rem;border:1px solid rgba(255,255,255,.14);border-radius:.7rem;background:rgba(6,10,22,.7);color:#fff;font-size:.92rem;resize:vertical}
.lp-demo-cipher{display:block;min-height:5.2rem;padding:.75rem .85rem;border:1px dashed rgba(142,162,255,.35);border-radius:.7rem;background:rgba(6,10,22,.7);color:#8ea2ff;font:.75rem/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-wrap:anywhere}
.lp-demo-meta{margin:.5rem 0 0;color:#7d8aab;font-size:.74rem}
.lp-demo-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.lp-demo-result{min-height:1.4rem;margin:.8rem 0 0;font-size:.85rem}
.lp-demo-result.is-ok{color:#59c9a0}
.lp-demo-result.is-fail{color:#ff8f8f}

/* Sections */
.lp-section{padding:clamp(3rem,7vw,5.5rem) 0}
.lp-alt{background:linear-gradient(180deg,rgba(255,255,255,.025),transparent)}
.lp-eyebrow{margin:0 0 .6rem;color:#8ea2ff;font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.lp-section h2,.lp-final h2{margin:0 0 2rem;color:#fff;font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:800;letter-spacing:-.03em}
.lp-grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.lp-card{padding:1.5rem;border:1px solid rgba(255,255,255,.09);border-radius:1rem;background:rgba(255,255,255,.03);transition:transform .2s,border-color .2s,background .2s}
.lp-card:hover{transform:translateY(-4px);border-color:rgba(142,162,255,.4);background:rgba(83,111,224,.08)}
.lp-card>.bi{display:grid;place-items:center;width:46px;height:46px;margin-bottom:1rem;border-radius:.9rem;background:rgba(83,111,224,.18);color:#9fb0ff;font-size:1.3rem}
.lp-card h3,.lp-steps h3{margin:0 0 .45rem;color:#fff;font-size:1.05rem;font-weight:750}
.lp-card p,.lp-steps p{margin:0;font-size:.92rem;line-height:1.6}
.lp-steps{display:grid;gap:1.1rem;margin:0;padding:0;list-style:none;counter-reset:s}
@media(min-width:768px){.lp-steps{grid-template-columns:repeat(3,1fr)}}
.lp-steps li{padding:1.5rem;border:1px solid rgba(255,255,255,.09);border-radius:1rem;background:rgba(255,255,255,.03)}
.lp-steps li>span{display:grid;place-items:center;width:38px;height:38px;margin-bottom:1rem;border-radius:50%;background:linear-gradient(135deg,#536fe0,#715ee2);color:#fff;font-weight:800}

/* FAQ */
.lp-faq{border-bottom:1px solid rgba(255,255,255,.1)}
.lp-faq summary{padding:1.1rem 0;color:#fff;font-weight:700;cursor:pointer}
.lp-faq p{margin:0 0 1.1rem;line-height:1.65}

/* Appel final et pied de page */
.lp-final{margin:2rem auto 4rem;padding:clamp(2rem,6vw,3.5rem) 1.5rem;border:1px solid rgba(142,162,255,.25);border-radius:1.3rem;background:radial-gradient(ellipse at 50% 0,rgba(83,111,224,.3),transparent 70%),rgba(255,255,255,.03);text-align:center}
.lp-footer{padding:1.6rem 0 calc(1.6rem + env(safe-area-inset-bottom,0px));border-top:1px solid rgba(255,255,255,.08);color:#7d8aab;font-size:.85rem}
.lp-footer .lp-wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem}

/* Apparition au défilement (actif seulement si le JS tourne) */
.lp-js .lp-reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.lp-js .lp-reveal.is-visible{opacity:1;transform:none}
.lp-d1{transition-delay:.1s!important}.lp-d2{transition-delay:.2s!important}
@keyframes lp-drift{to{transform:translate3d(3%,4%,0) scale(1.06)}}