:root{
  --brand:#3BA7FF; --brand-dark:#1F86F2;
  --ink:#1f2937; --muted:#6b7280; --bg:#f7f7f8; --card:#fff;
  --link:#0a60a8; --maxw:1200px; --radius:14px; --shadow:0 10px 24px rgba(0,0,0,.08);
  --logo-h: 56px;   /* << unified logo height (bigger) for header + footer */ 
}
*{box-sizing:border-box} html,body{margin:0}
body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:var(--link);text-decoration:none} a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* Header */
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #ececf0}
.nav{display:flex;align-items:center;justify-content:space-between;height:86px}
.brand{display:flex;align-items:center;gap:14px;font-weight:800}
.brand img{height:var(--logo-h);width:auto;display:block}
.brand span{font-size:1.05rem}
.menu{display:flex;gap:18px;align-items:center}
.menu a{color:#374151;font-weight:600}
.menu a:hover{color:var(--brand)}
.menu-toggle{display:none}
@media (max-width:820px){
  .menu-toggle{display:block;background:none;border:0;font-size:22px}
  .menu{display:none;position:absolute;top:86px;left:0;right:0;background:#fff;border-bottom:1px solid #ececf0;padding:16px 22px;flex-direction:column}
  .menu.open{display:flex}
}

/* Hero */
.hero{
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(59,167,255,.18), transparent 60%),
    linear-gradient(180deg,#fff 0%,#fff 70%,var(--bg) 100%);
  padding:56px 0 24px
}
.hero-inner{display:grid;gap:28px;grid-template-columns:1.15fr .85fr;align-items:center}
.hero .kicker{color:var(--brand);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:12px}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.2;letter-spacing:-.02em;margin:0 0 10px}
.hero p{font-size:clamp(16px,2.4vw,19px);max-width:60ch}
.hero-figure{
  width:100%;height:360px;border-radius:14px;background:linear-gradient(135deg,#eaf5ff,#fff);
  box-shadow:var(--shadow);border:1px solid #f1f1f4;display:flex;align-items:stretch;justify-content:stretch;padding:0;
}
.hero-panel{
  background:#fff;border:1px solid #e6eef7;border-left:6px solid var(--brand);
  border-radius:12px;padding:24px;width:100%;box-shadow:0 4px 14px rgba(31,134,242,.12);display:flex;align-items:flex-start;overflow-y:auto;
}
.hero-panel p{margin:0;font-size:15px;color:#334155;line-height:1.6}

.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;border:1px solid transparent;font-weight:700}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:#fff;border-color:#e5e7eb;color:#374151}

.stripe{padding:36px 0}
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:980px){.hero-inner{grid-template-columns:1fr}.hero-figure{height:240px}.grid-3{grid-template-columns:1fr 1fr}}
@media (max-width:680px){.grid-3,.grid-2{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid #eef0f4;border-radius:14px;padding:22px;box-shadow:0 1px 0 rgba(0,0,0,.03);
  transition:box-shadow .2s ease, transform .2s ease, border-color .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#e9e9ef}
.card h3{margin:0 0 6px}.meta{color:var(--muted);font-size:.92rem}

/* Footer */
.footer{background:#0f172a;color:#cbd5e1;padding:40px 0;margin-top:20px}
.footer a{color:#cbd5e1}
.footer .brand img{height:var(--logo-h)}
.cols{display:grid;gap:18px;grid-template-columns:2fr 1fr 1fr}
@media (max-width:820px){.cols{grid-template-columns:1fr}}

/* Ensure header/footer logos follow a unified size */
.brand img{height:var(--logo-h);width:auto;display:block}
.footer .brand img{height:var(--logo-h)}

/* keep header logos same height and nicely contained */
.brand img{height:var(--logo-h); width:auto; object-fit:contain; display:block}

/* Chart Styles */
.chart-container{position:relative;background:#fff;border:1px solid #eef0f4;border-radius:14px;padding:24px;margin:24px 0;box-shadow:0 1px 0 rgba(0,0,0,.03)}
.chart-controls{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.chart-controls button{background:#f7f7f8;border:1px solid #e5e7eb;padding:8px 16px;border-radius:6px;font-weight:600;font-size:14px;color:#374151;cursor:pointer;transition:all .2s ease}
.chart-controls button:hover{background:#e5e7eb}
.chart-controls button.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.chart-tooltip{position:absolute;background:rgba(0,0,0,.85);color:#fff;padding:10px 12px;border-radius:6px;font-size:13px;pointer-events:none;z-index:100;line-height:1.6}
.chart-tooltip strong{color:#3BA7FF}
.product-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:24px 0}
.stat-card{background:#f7f7f8;border:1px solid #e5e7eb;border-radius:10px;padding:16px;text-align:center}
.stat-card .label{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}
.stat-card .value{font-size:24px;font-weight:700;color:var(--ink)}
.blurred-value{filter:blur(12px);-webkit-filter:blur(12px);user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;pointer-events:none;color:transparent!important;text-shadow:0 0 12px rgba(31,41,55,0.8)!important}