/* OperatorIQ // shared design tokens + components */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #FFFFFF;
  --surface:    #FAF8F4;
  --surface-2:  #F4EFE6;
  --border:     #E8E1D2;
  --border-2:   #D4C9B0;
  --text:       #0F0F0F;
  --muted:      #5A5447;
  --muted-2:    #8A8270;
  --crimson:    #B22222;
  --crimson-deep: #8B1A1A;
  --gold:       #C9A961;
  --gold-deep:  #A88A4F;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: 'SF Mono', Monaco, Consolas, 'Liberation Mono', monospace;
  --max-w: 1080px;
  --radius: 8px;
}

html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--font); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ── NAV ────────────────────────────────────────────────── */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; height: 60px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-size: 17px; font-weight: 700; letter-spacing: -0.02em; color: var(--text); }
.nav-logo span { color: var(--crimson); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 14px; color: var(--muted); transition: color 0.15s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta { font-size: 13px; font-weight: 600; background: var(--crimson); color: #fff !important; padding: 8px 16px; border-radius: var(--radius); }
.nav-cta:hover { background: var(--crimson-deep); }
@media (max-width: 720px) { .nav-links a:not(.nav-cta) { display: none; } }

/* ── BUTTONS ───────────────────────────────────────────── */
.btn-primary { display: inline-block; background: var(--crimson); color: #fff; padding: 13px 22px; border-radius: var(--radius); font-size: 15px; font-weight: 600; transition: background 0.15s; }
.btn-primary:hover { background: var(--crimson-deep); color: #fff; }
.btn-secondary { display: inline-block; padding: 13px 22px; border-radius: var(--radius); border: 1px solid var(--border-2); font-size: 15px; font-weight: 500; color: var(--text); transition: border-color 0.15s, color 0.15s; }
.btn-secondary:hover { border-color: var(--crimson); color: var(--crimson); }

/* ── SECTION HEADERS ───────────────────────────────────── */
.section { padding: 64px 0; border-top: 1px solid var(--border); }
.section-label { font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-deep); margin-bottom: 10px; }
.section-title { font-size: clamp(24px, 3.2vw, 32px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.18; margin-bottom: 10px; }
.section-sub { font-size: 16px; color: var(--muted); max-width: 720px; margin-bottom: 28px; }

/* ── TIER GRID (used on library + per-blueprint + homepage) ── */
.library-cta { background: var(--surface-2); border-radius: 14px; padding: 40px 32px; }
.library-cta h2 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 820px) { .tier-grid { grid-template-columns: 1fr; } }
.tier { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 22px 20px; position: relative; }
.tier.featured { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold), 0 10px 28px rgba(201, 169, 97, 0.16); }
.tier.featured::before { content: 'RECOMMENDED'; position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--gold); color: #0F0F0F; font-size: 10px; font-weight: 700; letter-spacing: 0.14em; padding: 4px 11px; border-radius: 100px; }
.tier-name { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.tier-price { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 4px; }
.tier-price .freq { font-size: 13px; font-weight: 500; color: var(--muted); }
.tier-sub { font-size: 13px; color: var(--muted); margin-bottom: 14px; }

/* ── BRIEF CALLOUT (newsletter funnel, used site-wide) ───── */
.brief-callout { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 36px 32px; margin: 48px 0; }
.brief-callout .label { font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-deep); margin-bottom: 8px; }
.brief-callout h2 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.brief-callout p { font-size: 15px; color: var(--muted); max-width: 600px; margin-bottom: 18px; }
.brief-callout .brief-meta { font-size: 12px; color: var(--muted-2); margin-top: 14px; }

/* ── FOOTER ────────────────────────────────────────────── */
.site-footer { padding: 56px 0 36px; border-top: 1px solid var(--border); margin-top: 64px; }
.site-footer .footer-inner { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
.site-footer .footer-logo { font-size: 16px; font-weight: 700; }
.site-footer .footer-logo span { color: var(--crimson); }
.site-footer .footer-links { display: flex; flex-wrap: wrap; gap: 22px; font-size: 14px; color: var(--muted); }
.site-footer .footer-links a:hover { color: var(--text); }
.site-footer .footer-meta { font-size: 12px; color: var(--muted-2); margin-top: 12px; }