:root{
  --bg:#07111f;--bg2:#0d1c33;--card:#10243f;--text:#f7fbff;--muted:#b7c7dc;
  --primary:#22d3ee;--primary2:#14b8a6;--accent:#f8c14a;--white:#fff;
  --shadow:0 22px 55px rgba(0,0,0,.35);--radius:28px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:linear-gradient(135deg,var(--bg),#06172a 50%,#10294c);color:var(--text)}
a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:18px 7vw;background:rgba(7,17,31,.78);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08)}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:1.25rem}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:15px;background:linear-gradient(145deg,var(--primary),var(--primary2));color:#042333;box-shadow:0 8px 0 #087a80,0 18px 30px rgba(34,211,238,.25)}
.nav{display:flex;gap:20px;align-items:center;color:var(--muted);font-weight:700;font-size:.92rem}.nav a:hover{color:var(--white)}.nav-cta{padding:12px 18px;border-radius:16px;background:rgba(34,211,238,.12);color:var(--primary)!important;border:1px solid rgba(34,211,238,.25)}.menu-btn{display:none;background:none;color:var(--white);border:0;font-size:2rem}
.hero{position:relative;min-height:88vh;display:grid;grid-template-columns:1.08fr .92fr;gap:50px;align-items:center;padding:80px 7vw 60px;overflow:hidden}.hero-bg{position:absolute;inset:auto -10% -30% auto;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,var(--primary),transparent 65%);filter:blur(40px);opacity:.3}.badge,.eyebrow{display:inline-flex;color:#073044;background:linear-gradient(145deg,#bff7ff,#8eeedd);font-weight:900;padding:10px 16px;border-radius:999px;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase}.hero h1{font-size:clamp(2.4rem,6vw,5.6rem);line-height:.96;margin:22px 0;font-weight:950;letter-spacing:-.07em}.hero-text{font-size:1.18rem;line-height:1.75;color:var(--muted);max-width:760px}.hero-actions{display:flex;gap:18px;flex-wrap:wrap;margin:34px 0}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:14px 22px;border-radius:18px;font-weight:900;border:0;transition:.2s transform,.2s box-shadow}.btn:hover{transform:translateY(-3px)}.btn-primary{background:linear-gradient(145deg,var(--primary),var(--primary2));color:#052433;box-shadow:0 7px 0 #087a80,0 22px 38px rgba(34,211,238,.25)}.btn-secondary{background:linear-gradient(145deg,#fff,#dce9f8);color:#0a1c33;box-shadow:0 7px 0 #8fa8c4,0 22px 38px rgba(255,255,255,.1)}.btn-dark{background:linear-gradient(145deg,#223a5f,#12243d);box-shadow:0 7px 0 #071323,0 22px 38px rgba(0,0,0,.25)}.full{width:100%}
.hero-stats{display:flex;gap:16px;flex-wrap:wrap}.hero-stats div{padding:16px 20px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:20px;min-width:150px}.hero-stats strong{display:block;font-size:1.4rem}.hero-stats span{color:var(--muted);font-size:.9rem}.hero-panel{position:relative;background:linear-gradient(145deg,rgba(255,255,255,.16),rgba(255,255,255,.05));border:1px solid rgba(255,255,255,.18);border-radius:36px;padding:24px;box-shadow:var(--shadow);transform:perspective(900px) rotateY(-7deg) rotateX(4deg)}.panel-header{display:flex;gap:8px;margin-bottom:22px}.panel-header span{width:13px;height:13px;border-radius:50%;background:var(--accent)}.panel-header span:nth-child(2){background:var(--primary)}.panel-header span:nth-child(3){background:#fb7185}.screen-card{background:linear-gradient(145deg,#eaffff,#b6f4ff);color:#08243a;border-radius:28px;padding:28px;box-shadow:0 10px 0 #73c7d1}.screen-card h3{font-size:2rem;margin:.25rem 0}.screen-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}.screen-grid div{background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.12);padding:24px;border-radius:22px;font-weight:900;text-align:center;color:#dff9ff}
.section{padding:86px 7vw}.intro{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:center;background:rgba(255,255,255,.04)}.section h2{font-size:clamp(2rem,4vw,3.6rem);line-height:1.05;margin:14px 0;font-weight:950;letter-spacing:-.04em}.section p{color:var(--muted);line-height:1.75}.section-head{max-width:860px;margin-bottom:34px}.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.app-card,.adv-grid div,.price-card,.contact-card{background:linear-gradient(145deg,rgba(255,255,255,.12),rgba(255,255,255,.045));border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:28px;box-shadow:0 10px 0 rgba(2,12,27,.75),var(--shadow)}.app-card{transition:.2s}.app-card:hover{transform:translateY(-6px)}.app-icon{display:grid;place-items:center;width:66px;height:66px;border-radius:22px;background:rgba(34,211,238,.16);font-size:2rem}.app-card h3{font-size:1.35rem;margin:20px 0 8px}.app-card ul{color:#d6eef7;padding-left:18px;line-height:1.9}.card-actions{display:flex;gap:12px;margin-top:22px}.card-actions a{flex:1;text-align:center;padding:13px;border-radius:15px;font-weight:900;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.22)}.card-actions a:last-child{background:rgba(248,193,74,.14);border-color:rgba(248,193,74,.22)}
.offers-overview{background:rgba(255,255,255,.025)}
.offer-nav-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.offer-nav-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;min-height:250px;padding:28px;border:1px solid rgba(255,255,255,.14);border-radius:28px;background:linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.045));box-shadow:0 10px 0 rgba(2,12,27,.72),var(--shadow);transition:.2s transform,.2s border-color}
.offer-nav-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.45)}
.offer-nav-card .offer-icon{display:grid;place-items:center;width:58px;height:58px;margin-bottom:28px;border-radius:19px;background:rgba(34,211,238,.14);font-size:1.8rem}
.offer-nav-card>strong{font-size:1.2rem;margin-bottom:14px}.offer-price{font-size:2.05rem;font-weight:950;color:var(--primary)}.offer-nav-card small{margin-top:5px;color:var(--muted);font-weight:800}
.offer-nav-card.android .offer-price{color:#8eeedd}.offer-nav-card.web .offer-price{color:var(--accent)}
.category-section{position:relative;border-top:1px solid rgba(255,255,255,.08);scroll-margin-top:75px}
.windows-section{background:rgba(34,211,238,.025)}.android-section{background:linear-gradient(135deg,rgba(20,184,166,.08),rgba(255,255,255,.025))}.web-section{background:linear-gradient(135deg,rgba(248,193,74,.07),rgba(255,255,255,.02))}
.category-banner{display:flex;align-items:center;justify-content:space-between;gap:28px;margin:0 0 38px;padding:25px 28px;border-radius:25px;border:1px solid rgba(34,211,238,.28);background:linear-gradient(135deg,rgba(34,211,238,.16),rgba(20,184,166,.08));box-shadow:0 8px 0 rgba(2,12,27,.6)}
.category-banner>div{display:flex;flex-direction:column;gap:8px}.category-label{color:var(--primary);font-size:.75rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.category-banner strong{font-size:clamp(2rem,4vw,3.25rem);line-height:1;color:#fff}.category-banner strong small,.web-price small{font-size:.42em;color:var(--muted)}
.android-banner{border-color:rgba(142,238,221,.28);background:linear-gradient(135deg,rgba(20,184,166,.2),rgba(34,211,238,.06))}
.empty-catalogue{display:flex;align-items:center;gap:22px;padding:28px;border:1px dashed rgba(142,238,221,.35);border-radius:24px;background:rgba(255,255,255,.045)}.empty-catalogue[hidden]{display:none}.empty-catalogue>span{display:grid;place-items:center;flex:0 0 64px;width:64px;height:64px;border-radius:20px;background:rgba(20,184,166,.17);font-size:2rem}.empty-catalogue h3{margin:0 0 5px}.empty-catalogue p{margin:0}
.android-app-card .app-icon{background:rgba(20,184,166,.2)}
.web-service-card{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;padding:28px;border:1px solid rgba(248,193,74,.28);border-radius:32px;background:linear-gradient(145deg,rgba(248,193,74,.13),rgba(255,255,255,.045));box-shadow:0 10px 0 rgba(2,12,27,.72),var(--shadow)}
.web-service-main{padding:18px}.web-price{display:block;margin:18px 0 12px;font-size:clamp(2.25rem,5vw,4.1rem);line-height:1;color:var(--accent)}.web-service-main p{max-width:610px}.web-service-main .btn{margin-top:12px}
.included-box{padding:28px;border-radius:25px;background:rgba(7,17,31,.5);border:1px solid rgba(255,255,255,.12)}.included-box h3{margin:0 0 20px;font-size:1.35rem}.included-box ul{display:grid;gap:15px;list-style:none;margin:0;padding:0}.included-box li{display:flex;gap:12px;align-items:center;font-weight:800}.included-box li span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:rgba(248,193,74,.17);color:var(--accent)}.included-box p{margin:22px 0 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);color:#fff;font-weight:900}
.advantages{background:rgba(255,255,255,.035)}.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.adv-grid span{font-size:2.1rem}.video-placeholder{display:grid;place-items:center;text-align:center;min-height:380px;border-radius:36px;background:linear-gradient(145deg,rgba(34,211,238,.18),rgba(20,184,166,.08));border:1px solid rgba(34,211,238,.24);padding:40px;box-shadow:var(--shadow)}.play{display:grid;place-items:center;width:94px;height:94px;border-radius:50%;background:var(--white);color:#06283d;font-size:2rem;box-shadow:0 9px 0 #9db4ca,0 18px 40px rgba(255,255,255,.16);margin-bottom:18px}.price-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.price{margin-bottom:3px!important;font-size:clamp(1.8rem,3vw,2.55rem)!important;font-weight:950;color:#fff!important}.price-unit{margin:0 0 17px;color:var(--primary)!important;font-weight:900}.featured{outline:2px solid rgba(34,211,238,.45);transform:translateY(-8px)}.price-category-icon{display:grid;place-items:center;width:52px;height:52px;margin-bottom:20px;border-radius:17px;background:rgba(34,211,238,.13);font-size:1.55rem}.web-price-card .price,.web-price-card .price-unit{color:var(--accent)!important}.contact{margin:50px 7vw 80px;padding:44px;display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;border-radius:38px;background:linear-gradient(145deg,#0fb5c5,#0c796f);box-shadow:0 12px 0 #064e4d,var(--shadow)}.contact p{color:#eaffff;line-height:1.7}.contact-card{display:grid;gap:16px;background:rgba(255,255,255,.16)}.contact-card small{color:#eaffff;line-height:1.5}footer{display:flex;justify-content:space-between;gap:20px;padding:28px 7vw;color:var(--muted);border-top:1px solid rgba(255,255,255,.08)}
@media(max-width:1100px){.menu-btn{display:block}.nav{position:absolute;left:7vw;right:7vw;top:78px;display:none;flex-direction:column;padding:22px;background:#0b1b31;border-radius:22px;border:1px solid rgba(255,255,255,.12)}.nav.open{display:flex}}
@media(max-width:980px){.hero,.intro,.contact,.web-service-card{grid-template-columns:1fr}.hero{padding-top:55px}.hero-panel{transform:none}.apps-grid,.adv-grid,.price-cards{grid-template-columns:1fr 1fr}.offer-nav-grid{grid-template-columns:1fr}.offer-nav-card{min-height:0}.featured{transform:none}}
@media(max-width:640px){.topbar{padding:14px 5vw}.hero,.section{padding-left:5vw;padding-right:5vw}.apps-grid,.adv-grid,.price-cards{grid-template-columns:1fr}.hero-actions,.card-actions{flex-direction:column}.contact{margin-left:5vw;margin-right:5vw;padding:28px}footer{flex-direction:column}.hero-stats div{width:100%}.category-banner{align-items:stretch;flex-direction:column}.empty-catalogue{align-items:flex-start;flex-direction:column}.web-service-card{padding:18px}.web-service-main,.included-box{padding:20px}.offer-nav-card{padding:24px}}

/* Catalogue compact et extensible */
.apps-grid{grid-template-columns:repeat(4,1fr);gap:18px}
.app-card{display:flex;flex-direction:column;padding:20px;border-radius:22px;transition:.2s}
.app-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.3)}
.app-card-top{display:flex;align-items:flex-start;justify-content:space-between}
.app-card .app-icon{width:52px;height:52px;border-radius:17px;font-size:1.6rem}
.app-number{color:rgba(255,255,255,.38);font-size:.78rem;font-weight:900;letter-spacing:.08em}
.app-card h3{font-size:1.05rem;line-height:1.35;margin:15px 0 7px}
.app-card p{font-size:.87rem;line-height:1.55;margin:0}
.app-card ul{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:14px 0 0}
.app-card li{padding:6px 8px;border-radius:999px;background:rgba(255,255,255,.07);font-size:.69rem;font-weight:700}
.app-card .card-actions{gap:8px;margin-top:auto;padding-top:16px}
.app-card .card-actions a{padding:10px 7px;border-radius:12px;font-size:.78rem}

/* Carte tarif Démo cliquable */
.price-card-link{position:relative;display:block;transition:.2s transform,.2s border-color}
.price-card-link:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.45)}
.price-arrow{position:absolute;right:24px;top:22px;font-size:1.5rem;color:var(--primary)}
.price-link-text{display:inline-block;margin-top:12px;color:var(--primary);font-weight:900;font-size:.88rem}

/* Page des démonstrations */
.back-link{padding:11px 16px;border-radius:14px;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.2);color:var(--primary);font-weight:800}
.demo-hero{padding:78px 7vw 62px;text-align:center;background:radial-gradient(circle at 50% 0,rgba(34,211,238,.23),transparent 48%)}
.demo-hero h1{max-width:850px;margin:20px auto 16px;font-size:clamp(2.4rem,6vw,5rem);line-height:1;letter-spacing:-.06em}
.demo-hero>p:last-child{max-width:760px;margin:0 auto;color:var(--muted);line-height:1.7}
.demo-catalogue{padding-top:45px}
.demo-head{display:flex;align-items:end;justify-content:space-between;gap:28px;max-width:none}
.search-box{display:grid;gap:8px;min-width:min(100%,360px);color:var(--muted);font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em}
.search-box input{width:100%;padding:15px 18px;border:1px solid rgba(255,255,255,.15);border-radius:16px;background:rgba(255,255,255,.08);color:#fff;font:inherit;outline:none}
.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,211,238,.12)}
.search-box input::placeholder{color:#8ca3bd}
.results-count{margin:-16px 0 22px;font-size:.88rem}
.download-grid{display:grid;gap:16px}
.download-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;padding:20px 22px;border:1px solid rgba(255,255,255,.11);border-radius:22px;background:linear-gradient(145deg,rgba(255,255,255,.1),rgba(255,255,255,.04));box-shadow:0 7px 0 rgba(2,12,27,.6);transition:.2s}
.download-card:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.3)}
.download-icon{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;background:rgba(34,211,238,.13);font-size:1.8rem}
.download-content h3{margin:5px 0 4px;font-size:1rem}
.download-content p{margin:0;font-size:.82rem;line-height:1.5}
.demo-label{color:var(--primary);font-size:.66rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.download-meta{display:flex;gap:12px;margin-top:8px;color:#d9edf7;font-size:.72rem;font-weight:700}
.download-btn{display:flex;align-items:center;gap:15px;padding:13px 16px;border-radius:14px;background:linear-gradient(145deg,var(--primary),var(--primary2));color:#052433;font-size:.82rem;font-weight:900;box-shadow:0 5px 0 #087a80}
.download-btn:hover{transform:translateY(-2px)}
.download-btn strong{font-size:1.25rem}
.no-results{text-align:center;padding:35px;border:1px dashed rgba(255,255,255,.2);border-radius:20px}

@media(max-width:1180px){.apps-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:980px){.apps-grid{grid-template-columns:1fr 1fr}.demo-head{align-items:stretch;flex-direction:column}.search-box{min-width:0}.download-card{grid-template-columns:auto 1fr}.download-btn{grid-column:1/-1;justify-content:center}}
@media(max-width:640px){.apps-grid{grid-template-columns:1fr}.app-card .card-actions{flex-direction:row}.demo-hero{padding:55px 5vw 40px}.back-link{font-size:.8rem}.download-card{grid-template-columns:1fr;text-align:center}.download-icon{margin:auto}.download-meta{justify-content:center}.download-btn{grid-column:auto}.demo-head{text-align:center}}