/* Light theme for SignalPick */
:root{
  --bg:#ffffff; --panel:#f9fafb; --muted:#6b7280; --text:#1f2937;
  --brand:#7c3aed; --brand-2:#06b6d4;
  --ok:#16a34a; --warn:#d97706; --err:#dc2626;
  --radius:14px; --shadow:0 6px 20px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
}
*{box-sizing:border-box} html,body{height:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);background:var(--bg);line-height:1.55}

/* Layout */
.container{width:min(1120px,92vw);margin:0 auto;padding:24px 0}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid rgba(0,0,0,.06);z-index:40}
.nav{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;gap:10px;align-items:center;font-weight:700;color:var(--text);text-decoration:none}
.site-header nav a{color:var(--text);text-decoration:none;margin-left:16px;opacity:.85}
.site-header nav a:hover{opacity:1}

/* Buttons */
.btn{display:inline-block;padding:10px 16px;border-radius:999px;border:1px solid rgba(0,0,0,.12);
  text-decoration:none;color:var(--text);font-weight:600}
.btn.small{padding:8px 12px;font-size:14px}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));border:none;color:#fff}
.btn.ghost{background:transparent}
.btn.wide{width:100%;text-align:center}

/* Hero */
.hero{padding:56px 0 16px}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(36px,6vw,56px);line-height:1.05;margin:8px 0 12px;letter-spacing:-.02em}
.hero .sub{font-size:18px;color:var(--muted)}
.cta-row{display:flex;gap:12px;margin:20px 0 6px}

/* Visual card */
.hero-visual .visual-card{background:var(--panel);border:1px solid rgba(0,0,0,.08);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.visual-top{padding:16px}
.sparkline-wrap{position:relative}
.sparkline-title{font-size:13px;color:var(--muted);margin-bottom:6px}
.delta-badge{position:absolute;right:8px;top:0;transform:translateY(-50%);background:#ecfdf5;color:#065f46;border:1px solid #bbf7d0;
  font-weight:700;font-size:12px;padding:4px 8px;border-radius:999px}
.visual-kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding:0 16px 12px}
.chip{display:flex;justify-content:space-between;align-items:baseline;padding:10px 12px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:10px}
.chip span{color:var(--muted);font-size:13px}
.chip strong{font-size:18px}
.visual-footer{padding:12px 16px;background:rgba(0,0,0,.03);font-weight:600;display:flex;align-items:center;gap:8px}
.visual-footer .lock{font-size:16px}

/* Social proof */
.proof{border-top:1px solid rgba(0,0,0,.06);border-bottom:1px solid rgba(0,0,0,.06);background:#fff;margin-top:24px}
.proof-row{display:flex;gap:16px;align-items:center;justify-content:center;color:var(--muted);padding:10px 0;font-size:14px}
.proof-row .logos{display:flex;gap:18px;list-style:none;margin:0;padding:0}
.proof-row .logos li{color:#111827;font-weight:600}

/* Features */
.features{padding:40px 0 10px}
.features h2,.how h2,.faq h2{font-size:30px;margin-bottom:10px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{background:var(--panel);border:1px solid rgba(0,0,0,.08);border-radius:var(--radius);padding:16px}
.icon-circle{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;margin-bottom:10px}
.feature h3{margin:0 0 6px;font-size:18px}

/* Steps */
.how{padding:10px 0 24px}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.steps li{display:flex;gap:10px;align-items:center;background:var(--panel);border:1px solid rgba(0,0,0,.08);border-radius:12px;padding:12px 14px}
.step-icon{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:700}
.step-body strong{display:block}
.step-body span{color:var(--muted);font-size:14px}
.pipeline{margin-top:14px;border:1px dashed rgba(0,0,0,.08);border-radius:12px;padding:6px;background:#fff}

/* Form */
.waitlist{padding:10px 0 40px}
.form-card{background:var(--panel);border:1px solid rgba(0,0,0,.1);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.form-card .grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
label{display:grid;gap:6px;font-weight:600;font-size:14px}
input,select,textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid rgba(0,0,0,.18);background:#fff;color:var(--text);outline:none}
input:focus,select:focus,textarea:focus{border-color:rgba(124,58,237,.7);box-shadow:0 0 0 3px rgba(124,58,237,.25)}
.hidden{display:none}
.muted{color:var(--muted)} .tiny{font-size:12px;margin-top:6px}

/* FAQ */
.faq{padding:24px 0 56px}
details{background:var(--panel);border:1px solid rgba(0,0,0,.08);border-radius:var(--radius);padding:12px 14px;margin-bottom:10px}

/* Footer */
.site-footer{border-top:1px solid rgba(0,0,0,.08);background:#fff}
.footer-grid{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:12px}
.brandline{display:flex;align-items:center;gap:8px;font-weight:700}
.copy{color:var(--muted);font-size:14px;text-align:right}

/* Responsive */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr 1fr}
  .form-card .grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;text-align:center}
  .copy{text-align:center}
}