:root {
  --bg: #0b1020;
  --card: #121830;
  --text: #e6e9f2;
  --muted: #a8b0c6;
  --primary: #3aa0ff;
  --primary-600: #2a7ed1;
  --accent: #38d6a7;
  --danger: #ff5c7a;
  --border: #223056;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji"; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1040px, 92vw); margin: 0 auto; }
.narrow { width: min(760px, 92vw); }
.site-header { border-bottom: 1px solid var(--border); position: sticky; top: 0; background: rgba(11,16,32,0.9); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 36px; height: 36px; display: grid; place-items: center; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #081225; font-weight: 800; border-radius: 8px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text .sub { color: var(--muted); font-size: 12px; }
.nav { display: flex; align-items: center; gap: 12px; }
.nav a { color: var(--text); padding: 6px 6px; border-radius: 6px; }
.nav a:hover { background: #12192f; text-decoration: none; }
.nav a.active { color: #041221; background: var(--primary); border-color: var(--primary-600); }
.btn { display: inline-block; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border); color: var(--text); background: transparent; }
.btn:hover { background: #12192f; text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary-600); color: #041221; font-weight: 600; }
.btn-primary:hover { background: var(--primary-600); }
.btn-secondary { background: #10172a; }

.hero { padding: 56px 0 28px; border-bottom: 1px solid var(--border); background: radial-gradient(1200px 800px at 80% 0%, rgba(58,160,255,0.15), transparent 60%), radial-gradient(800px 600px at 10% 10%, rgba(56,214,167,0.08), transparent 60%); }
.hero-inner { text-align: center; }
.hero h1 { font-size: clamp(28px, 4vw, 44px); margin: 0 0 12px; }
.hero p { color: var(--muted); margin: 0 auto 18px; max-width: 720px; }
.cta-group { display: flex; gap: 12px; justify-content: center; }

.value { padding: 32px 0; }
.value h2, .proof h2 { font-size: 22px; margin-bottom: 16px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }

.proof { padding: 8px 0 24px; }
.icp-list { margin: 8px 0 12px; padding-left: 18px; }
.muted { color: var(--muted); }

.cta-wrap { border-top: 1px solid var(--border); padding: 24px 0; text-align: center; }

.site-footer { border-top: 1px solid var(--border); padding: 16px 0; margin-top: 24px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; }

/* Light header variant for light-themed pages */
.light .site-header { background: rgba(255,255,255,0.92); border-bottom-color: #e5e7eb; }
.light .btn { color: #0b1b2b; border-color: #e5e7eb; }
.light .btn:hover { background: #f8fafc; }
.light .btn.btn-primary { background: #0ea5e9; border-color: #0284c7; color: #ffffff; }
.light .brand-text .sub, .light .muted { color: #64748b; }

form.card { margin: 12px 0; }
.questions { display: grid; gap: 16px; padding-left: 20px; }
.opts { display: flex; gap: 16px; margin-top: 8px; }
label { display: grid; gap: 6px; font-size: 14px; }
input, select, textarea { background: #0d1429; color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary-600); }

.form-grid fieldset { border: 1px solid var(--border); border-radius: 12px; padding: 12px; margin: 8px 0; }
.form-grid fieldset legend { color: var(--muted); font-size: 12px; padding: 0 6px; }
.form-grid { display: grid; gap: 12px; }

.actions { margin-top: 8px; display: flex; gap: 12px; }
.result { margin: 12px 0; padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: #0f1831; }
.hidden { display: none; }

.scheduler-frame { margin-top: 12px; }
.scheduler-frame iframe { width: 100%; height: 720px; background: #0d1429; border: 1px solid var(--border); border-radius: 12px; }
.light .nav a { color: #0b1b2b; }
.light .nav a:hover { background: #f1f5f9; }
.light .nav a.active { background: #0ea5e9; color: #ffffff; }