:root{--bg:#06101d;--panel:#0b1b2f;--line:#1d3b59;--cyan:#27d5ff;--blue:#3b82f6;--text:#f4f8fc;--muted:#96a9bd}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:radial-gradient(circle at 64% 8%,rgba(18,109,165,.18),transparent 33rem),var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}.site-header{height:78px;padding:0 clamp(22px,5vw,84px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(5,14,26,.82);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:13px;font-weight:850;letter-spacing:.04em}.brand-mark{width:38px;height:38px;display:grid;place-items:center;color:#04111f;font-weight:950;font-size:22px;background:linear-gradient(145deg,var(--cyan),var(--blue));clip-path:polygon(50% 0,100% 24%,89% 82%,50% 100%,11% 82%,0 24%)}nav{display:flex;gap:28px;color:var(--muted);font-size:14px}nav a:hover{color:var(--cyan)}.hero{position:relative;min-height:490px;padding:95px clamp(22px,6vw,96px) 84px;display:flex;align-items:center;overflow:hidden}.hero-grid{position:absolute;inset:0 0 0 45%;opacity:.23;background-image:linear-gradient(rgba(55,139,195,.24) 1px,transparent 1px),linear-gradient(90deg,rgba(55,139,195,.24) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(90deg,transparent,#000)}.hero-grid:after{content:"";position:absolute;inset:15% 0 0;background:linear-gradient(155deg,transparent 47%,rgba(39,213,255,.2) 48%,transparent 49%)}.hero-copy{position:relative;max-width:920px;z-index:1}.eyebrow{margin:0 0 22px;color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.28em}h1{margin:0;max-width:900px;font-size:clamp(54px,6.5vw,92px);line-height:.98;letter-spacing:-.055em}.lead{max-width:760px;margin:30px 0 0;color:#b9c8d8;font-size:clamp(18px,2vw,25px);line-height:1.55}.hero-actions{margin-top:38px;display:flex;align-items:center;gap:28px;color:var(--muted);font-size:14px}.primary-button{padding:14px 20px;color:#04111f;background:var(--cyan);border-radius:8px;font-weight:800}.live-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#39e58c;margin-right:7px;box-shadow:0 0 12px #39e58c}.tools-section,.explain-section{padding:80px clamp(22px,5vw,84px)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:26px}h2{margin:0;font-size:clamp(34px,4vw,56px);letter-spacing:-.04em;line-height:1.06}.section-heading>p{color:var(--muted);max-width:410px;line-height:1.65}.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.filter-row span{border:1px solid var(--line);color:#aac0d5;border-radius:999px;padding:7px 12px;font-size:12px}.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.tool-card{min-height:430px;padding:24px;display:flex;flex-direction:column;border:1px solid #245072;border-radius:14px;background:linear-gradient(155deg,rgba(16,39,64,.92),rgba(7,24,42,.92));transition:.2s ease}.tool-card:hover{transform:translateY(-5px);border-color:var(--cyan);box-shadow:0 24px 70px rgba(7,102,155,.24)}.mini-chart{height:120px;margin-bottom:22px;position:relative;overflow:hidden;border-bottom:1px solid rgba(74,136,181,.25)}.flow-chart{display:flex;align-items:center;justify-content:space-around;gap:6px;padding:16px 4px 0}.flow-chart i{flex:1;max-width:16px;background:linear-gradient(#25d5ff,#327ff4);border-radius:2px 2px 0 0}.flow-chart i.negative{align-self:flex-end;height:35%!important;background:#ff5c70}.depth-chart:before,.depth-chart:after{content:"";position:absolute;bottom:18px;width:44%;height:76px}.depth-chart:before{left:2%;background:linear-gradient(145deg,transparent 49%,#29db9a 50%)}.depth-chart:after{right:2%;background:linear-gradient(215deg,transparent 49%,#ff5369 50%)}.depth-chart b{position:absolute;bottom:0;font-size:11px}.depth-chart b:first-of-type{left:6px;color:#38dda2}.depth-chart b:last-of-type{right:6px;color:#ff6478}.profile-chart,.heat-chart{display:flex;flex-direction:column;justify-content:center;gap:6px}.profile-chart i{display:block;height:8px;background:linear-gradient(90deg,#2666c7,#27d5ff);border-radius:0 4px 4px 0}.heat-chart i{display:block;height:12px;background:linear-gradient(90deg,#123b79,#27d5ff 60%,#64e7ac)}.pulse-chart span{position:absolute;inset:46% 0 auto;height:2px;background:linear-gradient(90deg,#327ff4,#27d5ff,#327ff4);transform:skewY(-8deg)}.card-meta{display:flex;justify-content:space-between;gap:10px;color:var(--cyan);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.card-meta span:last-child{color:var(--muted)}.tool-card h3{margin:16px 0 12px;font-size:23px}.tool-card>p{color:#aebed0;line-height:1.62;margin:0;font-size:15px}.card-link{margin-top:auto;padding-top:24px;color:var(--cyan);font-weight:700;display:flex;justify-content:space-between}.explain-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;background:rgba(8,27,47,.7);border-block:1px solid var(--line)}.explain-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.explain-grid article{border-top:1px solid #2a4b68;padding-top:20px}.explain-grid p,.notice{color:var(--muted);line-height:1.6}footer{min-height:110px;padding:34px clamp(22px,5vw,84px);display:flex;align-items:center;gap:30px;color:var(--muted);font-size:13px}footer span{color:var(--text);font-weight:850;margin-right:auto}.admin-shell{min-height:100vh;padding:50px clamp(20px,5vw,72px)}.admin-top{max-width:1120px;margin:0 auto 32px;display:flex;justify-content:space-between;align-items:center}.admin-panel{max-width:1120px;margin:auto;display:grid;grid-template-columns:380px 1fr;gap:24px}.admin-card{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:24px}.admin-card h2{font-size:24px;margin-bottom:18px}.admin-card label{display:block;color:var(--muted);font-size:12px;margin:13px 0 6px}.admin-card input,.admin-card textarea,.admin-card select{width:100%;border:1px solid #2b4b67;border-radius:7px;padding:11px 12px;color:var(--text);background:#071524;font:inherit}.admin-card textarea{min-height:105px;resize:vertical}.admin-card button{border:0;border-radius:7px;padding:11px 14px;cursor:pointer;font-weight:750;color:var(--text);background:#18324e}.save-button{width:100%;margin-top:16px!important;background:var(--cyan)!important;color:#03111e!important}.secondary-button{width:100%;margin-top:8px}.login-card{max-width:520px;margin:80px auto}.tool-list{display:grid;gap:10px}.tool-list-row{border:1px solid var(--line);border-radius:9px;padding:14px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.tool-list-row p{color:var(--muted);font-size:12px;margin:4px 0 0}.row-actions{display:flex;gap:7px}.row-actions .delete{color:#ff8996;background:rgba(255,83,105,.12)}.list-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.checkbox{display:flex!important;align-items:center}.checkbox input{width:auto;margin-right:8px}.error{color:#ff8996}.hidden{display:none!important}@media(max-width:1050px){.tool-grid{grid-template-columns:repeat(2,1fr)}.admin-panel{grid-template-columns:1fr}}@media(max-width:720px){nav{display:none}.brand{font-size:14px}.hero{min-height:450px;padding-top:74px}.hero-actions,.section-heading,footer{align-items:flex-start;flex-direction:column}.tool-grid,.explain-grid,.explain-section{grid-template-columns:1fr}.tool-card{min-height:390px}.explain-section{gap:35px}footer span{margin:0}.row-actions{flex-direction:column}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}