:root{--bg-dark:#020617;--bg-darker:#0f172a;--text-main:#f8fafc;--text-muted:#94a3b8;--card-bg:#1e293b80;--card-border:#33415580;--accent:#8b5cf6;--nav-height:70px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);min-height:100vh;font-family:Inter,sans-serif;overflow-x:hidden}.ambient-background{z-index:-1;pointer-events:none;background:radial-gradient(circle at 15%,#8b5cf614,#0000 30%),radial-gradient(circle at 85% 30%,#3b82f614,#0000 30%);position:fixed;inset:0}.navbar{width:100%;height:var(--nav-height);z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--card-border);background:#020617b3;justify-content:space-between;align-items:center;padding:0 2rem;display:flex;position:fixed;top:0}.logo{align-items:center;font-size:1.2rem;display:flex}.nav-links{gap:1rem;display:flex}.nav-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-family:Inter,sans-serif;font-size:.95rem;font-weight:600;transition:all .3s;display:flex}.nav-btn:hover{color:var(--text-main);background:#ffffff0d}.nav-btn.active{color:var(--accent);background:#8b5cf61a}.main-container{padding-top:calc(var(--nav-height) + 2rem);max-width:1200px;margin:0 auto;padding-bottom:3rem;padding-left:1rem;padding-right:1rem}.view{opacity:0;transition:opacity .4s;display:none}.view.active{opacity:1;display:block}.hero{text-align:center;border:1px solid var(--card-border);background:url(/hero_bg.png) 50%/cover no-repeat;border-radius:24px;margin-bottom:4rem;padding:4rem 2rem;position:relative;overflow:hidden;box-shadow:0 10px 30px #0000004d}.hero:before{content:"";-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:0;background:#020617b3;width:100%;height:100%;position:absolute;top:0;left:0}.hero h1,.hero p{z-index:1;position:relative}.hero h1{background:linear-gradient(135deg,#fff,#94a3b8);-webkit-text-fill-color:transparent;letter-spacing:-1px;-webkit-background-clip:text;margin-bottom:1rem;font-size:3rem;font-weight:900}.hero p{color:var(--text-muted);max-width:700px;margin:0 auto;font-size:1.2rem;line-height:1.6}.nist-grid{gap:1.5rem;display:grid}.nist-card{background:var(--card-bg);border:1px solid var(--card-border);text-align:center;cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;padding:2rem;transition:all .4s cubic-bezier(.175,.885,.32,1.275);position:relative;overflow:hidden}.nist-card:before{content:"";background:var(--bg-darker);width:100%;height:4px;transition:all .3s;position:absolute;top:0;left:0}.nist-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px #0006}.nist-card .card-icon{background:#ffffff0d;border-radius:12px;justify-content:center;align-items:center;width:60px;height:60px;margin:0 auto 1.5rem;transition:all .3s;display:flex}.nist-card h2{margin-bottom:.25rem;font-size:1.5rem;font-weight:800}.nist-card p{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;opacity:1;max-height:50px;margin-bottom:1rem;font-size:.9rem;font-weight:600;transition:all .4s}.card-hover-content{color:var(--text-muted);opacity:0;max-height:0;margin-top:0;font-size:.95rem;transition:all .4s;overflow:hidden;transform:translateY(10px)}.nist-card:hover .card-hover-content{opacity:1;max-height:200px;margin-top:1rem;transform:translateY(0)}.nist-card:hover p{opacity:0;max-height:0;margin-bottom:0;overflow:hidden}.identity:hover:before{background:#3b82f6}.identity:hover .card-icon{color:#3b82f6;background:#3b82f633}.devices:hover:before{background:#10b981}.devices:hover .card-icon{color:#10b981;background:#10b98133}.networks:hover:before{background:#f59e0b}.networks:hover .card-icon{color:#f59e0b;background:#f59e0b33}.applications:hover:before{background:#8b5cf6}.applications:hover .card-icon{color:#8b5cf6;background:#8b5cf633}.data:hover:before{background:#ec4899}.data:hover .card-icon{color:#ec4899;background:#ec489933}.back-nav{margin-bottom:2rem}.subsite-glass{background:var(--card-bg);border:1px solid var(--card-border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:24px;padding:3rem;position:relative;overflow:hidden}.subsite-header{z-index:2;align-items:center;gap:1.5rem;margin-bottom:3rem;display:flex;position:relative}.subsite-header .icon-container{background:#ffffff08;border:1px solid #ffffff1a;border-radius:20px;justify-content:center;align-items:center;width:80px;height:80px;display:flex}.subsite-header .icon-container i{width:40px;height:40px}.subsite-header h1{margin-bottom:.25rem;font-size:2.5rem;font-weight:900}.subsite-header p{color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;font-size:1.1rem;font-weight:600}.industry-selector{flex-wrap:wrap;gap:1rem;margin-top:1rem;display:flex}.industry-btn{color:var(--text-muted);cursor:pointer;background:#ffffff08;border:1px solid #ffffff1a;border-radius:12px;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-family:Inter,sans-serif;font-size:.95rem;font-weight:600;transition:all .3s;display:flex}.industry-btn:hover{color:var(--text-main);background:#ffffff14}.industry-btn.active{background:var(--btn-color);color:#fff;border-color:var(--btn-color);box-shadow:0 4px 15px #0003}.content-section{margin-bottom:4rem}.content-section h3{color:#fff;align-items:center;gap:.75rem;margin-bottom:1.5rem;font-size:1.3rem;display:flex}.implementations-list{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;display:grid}.impl-card{border:1px solid var(--card-border);background:#02061766;border-radius:16px;flex-direction:column;padding:1.5rem;transition:transform .3s;display:flex}.impl-card:hover{background:#0f172a99;transform:translateY(-5px)}.impl-icon{border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:1rem;display:flex}.example-tag{text-transform:uppercase;letter-spacing:1px;border-radius:99px;margin-bottom:1rem;padding:.25rem .75rem;font-size:.75rem;font-weight:700;display:inline-block}.impl-content h4{color:#fff;margin-bottom:.75rem;font-size:1.1rem}.impl-content p{color:var(--text-muted);font-size:.95rem;line-height:1.6}.impact-box{border-radius:8px;align-items:flex-start;gap:.75rem;margin-top:1.5rem;padding:1rem;display:flex}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.pulse-animation{animation:3s ease-in-out infinite pulse}.slide-up-fast{animation:.4s forwards slideUp}.slide-up-medium{animation:.6s forwards slideUp}.slide-up-slow{animation:.8s forwards slideUp}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.industry-banner-container{z-index:1;pointer-events:none;border-radius:0 24px 24px 0;width:50%;height:100%;position:absolute;top:0;right:0;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 40%);mask-image:linear-gradient(90deg,#0000,#000 40%)}.industry-banner{background-position:50%;background-size:cover;width:100%;height:100%;transition:all .5s}.banner-color-layer{mix-blend-mode:multiply;width:100%;height:100%;transition:all .5s;position:absolute;top:0;left:0}.methodology-grid{grid-template-columns:1fr;gap:1.5rem;margin-top:2rem;display:grid}