/* Sales Micro Learning — Option D "Skill Steps" brand system.
   Token palette + base components. See sales-microlearning-option-d-style-guide.md. */

:root {
  --brand-navy: #172554;   /* Conversion Navy — authority, dark surfaces */
  --brand-blue: #2563EB;   /* Trust Blue — primary CTA, links, active */
  --brand-blue-dark: #1D4ED8;
  --brand-teal: #0F766E;   /* Learning Teal — secondary CTA, first step */
  --brand-gold: #F59E0B;   /* Action Gold — accents, premium badges */
  --brand-gold-dark: #D97706;
  --brand-green: #16A34A;  /* Success — delivered/subscribed only */
  --brand-ink: #0F172A;    /* Primary text */
  --brand-slate: #475569;  /* Secondary text */
  --brand-cloud: #F8FAFC;  /* Soft background */
  --brand-line: #D8E0E8;   /* Borders */
  --brand-radius: 13px;
  --brand-font: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

/* ---- Shared site navigation ---- */
.site-nav {
  position: sticky; top: 0; z-index: 1000;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px;
  padding: 10px 22px; background: #fff; border-bottom: 1px solid var(--brand-line);
  font-family: var(--brand-font);
}
.site-nav__brand { display: inline-flex; align-items: center; gap: 9px; margin-right: auto; text-decoration: none; }
.site-nav__mark { height: 28px; width: auto; display: block; }
.site-nav__word { font-weight: 800; font-size: 18px; color: var(--brand-navy); letter-spacing: -0.01em; white-space: nowrap; }
.site-nav__links { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; }
.site-nav a { color: var(--brand-ink); text-decoration: none; font-size: 14px; font-weight: 650; }
.site-nav a:hover { color: var(--brand-blue); }
.site-nav a.cta { color: #fff; background: var(--brand-blue); padding: 7px 14px; border-radius: 9px; }
.site-nav a.cta:hover { background: var(--brand-blue-dark); color: #fff; }

/* Hamburger toggle (CSS-only, no JS) — hidden on desktop */
.site-nav__toggle { display: none; }
.site-nav__burger { display: none; flex-direction: column; justify-content: center; align-items: center;
  width: 44px; height: 40px; cursor: pointer; border-radius: 9px; border: 1px solid var(--brand-line); }
.site-nav__burger span { display: block; width: 22px; height: 2.5px; border-radius: 2px; background: var(--brand-navy); }
.site-nav__burger span + span { margin-top: 5px; }

@media (max-width: 760px) {
  .site-nav { gap: 6px 12px; padding: 10px 16px; }
  .site-nav__mark { height: 36px; }                 /* bigger logo on phones */
  .site-nav__word { font-size: 20px; }
  .site-nav__burger { display: inline-flex; }
  .site-nav__links { display: none; flex-direction: column; align-items: stretch; width: 100%; gap: 0; }
  .site-nav__links a { display: block; padding: 13px 4px; border-top: 1px solid var(--brand-line); font-size: 16px; }
  .site-nav__links a.cta { display: inline-block; width: auto; margin: 10px 0 4px; padding: 11px 16px; border-top: 0; }
  .site-nav__toggle:checked ~ .site-nav__links { display: flex; }
}

/* ---- Shared footer ---- */
.site-footer {
  background: #fff; border-top: 1px solid var(--brand-line);
  padding: 1.75rem 1rem; text-align: center; font-family: var(--brand-font);
}
.site-footer a { color: var(--brand-slate); text-decoration: none; margin: 0 0.85rem; font-weight: 600; font-size: 0.92rem; }
.site-footer a:hover { color: var(--brand-blue); text-decoration: underline; }

/* ---- Buttons (CTA rules) ---- */
.btn { display: inline-block; font-weight: 700; padding: 0.85rem 1.1rem; border-radius: 11px;
  border: 1px solid transparent; cursor: pointer; font-size: 1rem; text-decoration: none; text-align: center; }
.btn-primary { background: var(--brand-blue); color: #fff; }
.btn-primary:hover { background: var(--brand-blue-dark); }
.btn-secondary { background: #fff; color: var(--brand-navy); border-color: var(--brand-line); }
.btn-secondary:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.btn-teal { background: var(--brand-teal); color: #fff; }
.btn-accent { background: var(--brand-gold); color: var(--brand-ink); }  /* never white text on gold */
.btn-accent:hover { background: var(--brand-gold-dark); color: var(--brand-ink); }

/* ---- Badges ---- */
.badge-premium { background: var(--brand-gold); color: var(--brand-ink); font-size: 11px;
  font-weight: 800; padding: 2px 9px; border-radius: 10px; vertical-align: middle; }
.badge-success { background: var(--brand-green); color: #fff; font-size: 11px; font-weight: 800;
  padding: 2px 9px; border-radius: 10px; }

/* ---- Environment banner ---- */
.environment-banner { background: var(--brand-navy); color: #fff; font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.08em; padding: 0.5rem 1rem; text-align: center; text-transform: uppercase; }