:root{
  --bg:#070b16; --bg2:#0d1324; --card:#111a30; --card2:#16213d; --line:#22305a;
  --text:#e9eefc; --muted:#9aa7c7; --dim:#6b7899;
  --c1:#22d3ee; --c2:#8b5cf6; --c3:#f472b6; --ok:#34d399; --warn:#fbbf24; --bad:#f87171;
  --grad:linear-gradient(120deg,#22d3ee 0%,#8b5cf6 55%,#f472b6 100%);
  --r:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:radial-gradient(1200px 600px at 85% -10%,rgba(139,92,246,.18),transparent 60%),radial-gradient(900px 500px at -10% 10%,rgba(34,211,238,.12),transparent 60%),var(--bg);color:var(--text);font-family:Inter,"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;line-height:1.5;min-height:100vh}
a{color:var(--c1);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(7,11,22,.78);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:18px;flex-wrap:wrap;min-height:62px;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px;color:var(--text);font-size:18px}
.brand:hover{text-decoration:none}
.logo{width:30px;height:30px;border-radius:9px;background:var(--grad);display:grid;place-items:center;color:#0b1020;font-weight:900;font-size:16px;box-shadow:0 0 24px rgba(139,92,246,.45)}
.brand small{display:block;font-weight:500;color:var(--muted);font-size:11px;letter-spacing:1.4px;text-transform:uppercase;line-height:1}
.nav-links{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto}
.nav-links a{color:var(--muted);padding:8px 12px;border-radius:10px;font-size:14px;font-weight:600}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--card);text-decoration:none}
.nav-links a.cta{background:var(--grad);color:#0b1020}

/* demo badge */
.demo-badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:#0b1020;background:var(--warn);padding:3px 9px;border-radius:999px;white-space:nowrap}
.demo-ribbon{background:repeating-linear-gradient(45deg,rgba(251,191,36,.14) 0 12px,rgba(251,191,36,.06) 12px 24px);border-bottom:1px solid rgba(251,191,36,.35);color:#fde68a;font-size:13px;text-align:center;padding:6px 12px}

/* hero */
.hero{padding:72px 0 40px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--c1);border:1px solid rgba(34,211,238,.35);padding:5px 12px;border-radius:999px}
h1{font-size:clamp(32px,5vw,56px);line-height:1.08;margin:18px 0 16px;letter-spacing:-1px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:720px}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;font-size:15px;border:1px solid var(--line);background:var(--card);color:var(--text);cursor:pointer;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);text-decoration:none;box-shadow:0 8px 30px rgba(34,211,238,.15)}
.btn.primary{background:var(--grad);color:#0b1020;border:0}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:10px}
.btn.done{background:rgba(52,211,153,.15);border-color:rgba(52,211,153,.5);color:var(--ok)}

/* cards & grid */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:960px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:var(--r);padding:20px;position:relative;min-width:0}
.card h3{margin:0 0 4px;font-size:16px}
.card .sub{color:var(--muted);font-size:13px;margin:0 0 14px}
.feature .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(139,92,246,.15);border:1px solid rgba(139,92,246,.4);font-size:20px;margin-bottom:12px}
.section{padding:36px 0}
.section h2{font-size:clamp(22px,3vw,30px);margin:0 0 8px}
.muted{color:var(--muted)} .dim{color:var(--dim)}
.pill{display:inline-block;font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}

/* KPI */
.kpi .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;font-weight:700}
.kpi .val{font-size:clamp(24px,3vw,32px);font-weight:800;margin:6px 0 2px;letter-spacing:-.5px}
.kpi .hint{font-size:12px;color:var(--dim)}
.kpi.bad .val{color:var(--bad)} .kpi.ok .val{color:var(--ok)} .kpi.warn .val{color:var(--warn)}

/* dashboard header & filters */
.dash-head{display:flex;gap:16px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;padding:24px 0 12px}
.dash-head h1{font-size:clamp(24px,3.2vw,34px);margin:6px 0 2px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted);font-weight:600}
select,input[type=number],input[type=text]{background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:14px;font-family:inherit;min-width:0}
select:focus,input:focus{outline:2px solid rgba(34,211,238,.5);outline-offset:1px}
.seg{display:inline-flex;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px}
.seg button{background:transparent;color:var(--muted);border:0;border-radius:8px;padding:7px 12px;font-weight:700;font-size:13px;cursor:pointer;font-family:inherit}
.seg button.on{background:var(--grad);color:#0b1020}

/* tabs */
.tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin:14px 0 20px}
.tab{background:transparent;border:0;color:var(--muted);font-weight:700;font-size:14px;padding:12px 14px;cursor:pointer;border-bottom:2px solid transparent;font-family:inherit}
.tab:hover{color:var(--text)}
.tab.on{color:var(--text);border-bottom-color:var(--c1)}
.tab .n{display:inline-block;margin-left:6px;font-size:11px;background:var(--card2);padding:1px 7px;border-radius:999px;color:var(--muted)}
.panel{display:none}
.panel.on{display:block;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.chart-box{position:relative;height:280px}
.chart-box.tall{height:340px}
.chart-box.short{height:220px}

/* tables */
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.8px;font-weight:700;cursor:pointer;user-select:none}
td.num,th.num{text-align:right}
tr:hover td{background:rgba(34,211,238,.04)}
.risk{display:inline-block;min-width:44px;text-align:center;padding:2px 8px;border-radius:999px;font-weight:800;font-size:12px}
.risk.h{background:rgba(248,113,113,.15);color:var(--bad)} .risk.m{background:rgba(251,191,36,.15);color:var(--warn)} .risk.l{background:rgba(52,211,153,.15);color:var(--ok)}
.bar-in{height:6px;border-radius:6px;background:var(--card2);overflow:hidden;min-width:80px}
.bar-in span{display:block;height:100%;background:var(--grad)}

/* recos */
.reco{display:flex;flex-direction:column;gap:10px}
.reco .top{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.reco h4{margin:0;font-size:17px;line-height:1.3}
.reco p{margin:0;color:var(--muted);font-size:14px}
.reco .foot{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto}
.reco .save{font-weight:800;color:var(--ok)}
.tag{font-size:11px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;padding:3px 8px;border-radius:6px}
.tag.lic{background:rgba(34,211,238,.15);color:var(--c1)} .tag.sec{background:rgba(248,113,113,.15);color:var(--bad)} .tag.adp{background:rgba(139,92,246,.18);color:#c4b5fd}
.prio{font-size:12px;color:var(--dim)}

/* gauge */
.gauge{display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge .g-val{font-size:40px;font-weight:900;margin-top:-70px}
.gauge .g-lbl{color:var(--muted);font-size:13px}

/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:20px;align-items:start}
@media(max-width:900px){.calc{grid-template-columns:1fr}}
.calc .field{margin-bottom:14px}
.calc .field input,.calc .field select{width:100%}
.range-row{display:flex;gap:10px;align-items:center}
.range-row input[type=range]{flex:1;accent-color:#8b5cf6}
.range-row output{min-width:52px;text-align:right;font-weight:800;color:var(--text)}
.res-big{font-size:clamp(30px,4.5vw,46px);font-weight:900;letter-spacing:-1px;line-height:1.1}
.note{font-size:12px;color:var(--dim);margin-top:6px}
.assume{border:1px dashed rgba(251,191,36,.45);background:rgba(251,191,36,.05);border-radius:var(--r);padding:16px 18px}
.assume h4{margin:0 0 8px;color:#fde68a}
.assume ul{margin:0;padding-left:18px;color:var(--muted);font-size:13px}
.cta-box{margin:36px 0;padding:34px;border-radius:22px;background:linear-gradient(120deg,rgba(34,211,238,.15),rgba(139,92,246,.18),rgba(244,114,182,.15));border:1px solid rgba(139,92,246,.45);text-align:center}
.cta-box h2{margin:0 0 8px;font-size:clamp(22px,3vw,30px)}

footer{border-top:1px solid var(--line);margin-top:40px;padding:26px 0;color:var(--dim);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.hide-sm{} @media(max-width:640px){.hide-sm{display:none}}
[data-tip]{position:relative;cursor:help}
[data-tip]:hover::after{content:attr(data-tip);position:absolute;left:50%;bottom:calc(100% + 8px);transform:translateX(-50%);background:#0b1020;color:var(--text);border:1px solid var(--line);padding:8px 10px;border-radius:8px;font-size:12px;font-weight:500;line-height:1.4;white-space:normal;width:max-content;max-width:240px;z-index:20;box-shadow:0 10px 30px rgba(0,0,0,.4);text-transform:none;letter-spacing:0}
.kpi[data-tip]:hover::after{left:20px;transform:none;bottom:auto;top:calc(100% - 8px)}
.legend-row{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:8px}
.legend-row i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.sim-bar{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:16px}