*{margin:0;padding:0;box-sizing:border-box;}:root{--accent:#e63946;--dark:#1a1a1a;--light:#f5f5f5;--text-dark:#1a1a1a;--text-light:#e5e5e5;--border:#d0d0d0;--border-dark:#2a2a2a;}html{scroll-behavior:smooth;}body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:#fff;color:var(--text-dark);line-height:1.6;}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.26);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:none;border-bottom:none;transform:translateY(-110%);opacity:0;pointer-events:none;transition:transform 0.28s ease,opacity 0.28s ease;}.navbar.is-visible{transform:translateY(0);opacity:1;pointer-events:auto;}.nav-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;}.logo{font-size:1.5rem;font-weight:700;text-decoration:none;color:var(--text-dark);}.logo-accent{color:var(--accent);}.menu-toggle{display:none;flex-direction:column;background:none;border:none;cursor:pointer;padding:0.5rem;}.menu-toggle span{width:25px;height:3px;background:var(--text-dark);margin:4px 0;transition:0.3s;border-radius:2px;}.nav-menu{display:flex;gap:2rem;align-items:center;}.nav-link{text-decoration:none;color:var(--text-dark);font-weight:500;transition:color 0.3s;}.nav-link:hover{color:var(--accent);}.hero{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);color:white;padding:0 2rem;text-align:center;min-height:100vh;display:flex;align-items:center;justify-content:center;background-image:url('assets/usine.jpg');background-size:cover;background-position:center;position:relative;}.hero-brand{position:absolute;top:1.75rem;left:2.1rem;z-index:3;display:inline-flex;align-items:center;justify-content:center;font-size:3rem;font-weight:800;line-height:1;text-decoration:none;color:var(--accent);transition:opacity 0.28s ease,transform 0.28s ease;}.hero-brand.is-hidden{opacity:0;transform:translateY(-8px);pointer-events:none;}.hero-brand .logo-accent{color:var(--accent);font-size:inherit;font-weight:800;line-height:1;letter-spacing:0.02em;}.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.4);}.hero-content{max-width:800px;position:relative;z-index:2;}.hero h1{font-size:clamp(2rem,6vw,4.5rem);font-weight:700;margin-bottom:1rem;line-height:1.2;}.hero p{font-size:1.25rem;margin-bottom:2rem;opacity:0.95;line-height:1.5;}.hero-content .btn-primary{margin-top:10rem;}.btn{display:inline-block;padding:0.875rem 2rem;border-radius:6px;text-decoration:none;font-weight:600;transition:all 0.3s;cursor:pointer;border:none;font-size:1rem;}.btn-primary{background:var(--accent);color:white;}.btn-primary:hover{background:#d62828;transform:translateY(-2px);box-shadow:0 8px 16px rgba(0,0,0,0.16);}.protect-section{padding:80px 2rem;background:var(--light);}.protect-container{max-width:1200px;margin:0 auto;}.protect-content{text-align:center;margin-bottom:4rem;}.protect-content h2{font-size:clamp(1.75rem,4vw,3rem);font-weight:700;margin-bottom:1rem;}.protect-content strong{color:var(--accent);font-size:1.1em;}.protect-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;}.feature-group{background:white;padding:2rem;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,0.05);}.feature-group h5{font-size:1.2rem;margin-bottom:0.75rem;color:var(--text-dark);}.feature-group p{color:#666;margin-bottom:1rem;}.feature-group ul{list-style:none;}.feature-group li{padding:0.5rem 0;padding-left:1.5rem;position:relative;color:#666;}.feature-group li::before{content:'▸';position:absolute;left:0;color:var(--accent);font-weight:bold;}.content-section{padding:80px 2rem;}.content-section:nth-child(odd){background:white;}.content-section:nth-child(even){background:var(--light);}.section-container{max-width:1000px;margin:0 auto;}.content-section h2{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;margin-bottom:1.5rem;color:var(--text-dark);}.content-section>.section-container>p{font-size:1.1rem;color:#666;margin-bottom:2.5rem;line-height:1.7;}.deployment-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:2rem;}.deployment-card{background:white;padding:2rem;border-radius:8px;text-align:center;box-shadow:0 1px 3px rgba(0,0,0,0.05);border-top:1px solid rgba(0,0,0,0.12);transition:transform 0.3s,box-shadow 0.3s;}.deployment-card:hover{transform:translateY(-4px);box-shadow:0 8px 16px rgba(0,0,0,0.1);}.deployment-icon{font-size:2.5rem;margin-bottom:1rem;}.deployment-card h4{font-size:1.25rem;margin-bottom:0.75rem;color:var(--text-dark);}.deployment-card p{color:#666;line-height:1.6;}.apps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:2rem;}.app-card{background:white;padding:2rem;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,0.05);transition:transform 0.3s,box-shadow 0.3s;border-left:1px solid rgba(0,0,0,0.12);}.app-card:hover{transform:translateY(-4px);box-shadow:0 8px 16px rgba(0,0,0,0.1);}.app-card h4{font-size:1.1rem;margin-bottom:0.75rem;color:var(--text-dark);}.app-card p{color:#666;line-height:1.6;}.analytics-diagram{margin-top:2rem;display:grid;grid-template-columns:minmax(240px,1fr) auto minmax(290px,1.2fr) auto minmax(240px,1fr);gap:1.2rem;align-items:stretch;}.diagram-panel{background:#f3f3f3;border:none;border-radius:10px;padding:1.45rem;box-shadow:none;}.diagram-panel h3{margin:0 0 0.85rem;font-size:1.15rem;text-align:center;color:#000;}.diagram-brand-mark{color:var(--accent);font-weight:800;}.diagram-data ul{margin:0;padding-left:1rem;color:#000;line-height:1.7;}.diagram-arrow{display:grid;place-items:center;font-size:1.7rem;font-weight:700;color:#000;}.core-stack{display:grid;gap:0.55rem;}.core-block{border:none;border-radius:8px;padding:0.82rem 0.9rem;text-align:center;font-weight:600;color:#000;background:#eaeaea;}.user-tags{display:flex;flex-wrap:wrap;gap:0.55rem;}.user-tags span{border:none;border-radius:999px;padding:0.42rem 0.78rem;font-size:0.9rem;color:#000;background:#eaeaea;}.analytics-section .section-container>p{color:#000;}.analytics-diagram+p{margin-top:2.2rem;}.about-section{background:white;}.about-section h3{font-size:1.75rem;margin-bottom:1.5rem;color:var(--text-dark);}.about-content{max-width:900px;}.about-content p{font-size:1rem;line-height:1.8;color:#666;margin-bottom:1.5rem;}.about-content strong{color:var(--text-dark);}.contact-section{background:var(--dark);color:white;padding:80px 2rem;}.contact-section .section-container{max-width:600px;}.contact-section h3{font-size:2rem;margin-bottom:1rem;}.contact-section>.section-container>p{color:rgba(255,255,255,0.8);margin-bottom:2rem;}.contact-form{margin-top:2rem;}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem;}.form-group{margin-bottom:1.5rem;}.form-group label{display:block;margin-bottom:0.5rem;font-weight:600;font-size:0.95rem;}.form-group input,.form-group textarea{width:100%;padding:0.875rem;border:1px solid rgba(255,255,255,0.2);background:rgba(255,255,255,0.05);color:white;border-radius:6px;font-family:inherit;font-size:1rem;transition:border-color 0.3s;}.form-group input::placeholder,.form-group textarea::placeholder{color:rgba(255,255,255,0.5);}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,0.08);}.contact-form .btn{width:100%;margin-top:1rem;}.footer{background:var(--text-dark);color:white;padding:2rem;text-align:center;}.footer-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;}.footer-link{color:var(--accent);text-decoration:none;font-weight:600;transition:opacity 0.3s;}.footer-link:hover{opacity:0.8;}@media (max-width:768px){.menu-toggle{display:flex;}.nav-menu{position:absolute;top:60px;left:0;right:0;background:white;flex-direction:column;gap:0;max-height:0;overflow:hidden;transition:max-height 0.3s;border-top:none;box-shadow:none;}.nav-menu.open{max-height:400px;border-top:1px solid var(--border);box-shadow:0 4px 8px rgba(0,0,0,0.1);}.nav-link{padding:1rem 2rem;border-bottom:1px solid var(--border);display:block;text-align:left;}.menu-toggle.open span:nth-child(1){transform:rotate(-45deg) translate(-8px,8px);}.menu-toggle.open span:nth-child(2){opacity:0;}.menu-toggle.open span:nth-child(3){transform:rotate(45deg) translate(-8px,-8px);}.hero{padding:80px 1rem;}.protect-section,.content-section{padding:60px 1rem;}.protect-features,.deployment-options,.apps-grid{grid-template-columns:1fr;}.analytics-diagram{grid-template-columns:1fr;gap:0.8rem;}.diagram-arrow{transform:rotate(90deg);font-size:1.25rem;line-height:1;}.form-row{grid-template-columns:1fr;}.contact-section{padding:60px 1rem;}.footer-content{flex-direction:column;text-align:center;}}@media (max-width:480px){.hero h1{font-size:2rem;}.hero p{font-size:1rem;}.content-section h2{font-size:1.5rem;}.nav-container{padding:0.75rem 1rem;}}