/* ==========================================================================
   BizBuilder — SEO & Article Pages
   ========================================================================== */
:root {
  --pg-primary: #1e3a5f;
  --pg-accent: #2ca58d;
  --pg-accent-alt: #e8843b;
  --pg-bg: #f4f6f8;
  --pg-white: #ffffff;
  --pg-text: #1a2332;
  --pg-muted: #64748b;
  --pg-border: #dde3ea;
  --pg-radius: 14px;
  --pg-font: "Inter", system-ui, -apple-system, sans-serif;
  --pg-serif: "Lora", Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--pg-font);
  background: var(--pg-bg);
  color: var(--pg-text);
  line-height: 1.75;
  min-height: 100vh;
}

a { color: var(--pg-accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #248f7a; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Header */
.pg-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--pg-white);
  border-bottom: 1px solid var(--pg-border);
  box-shadow: 0 1px 8px rgba(30,58,95,0.06);
}

.pg-header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.pg-logo {
  display: flex; align-items: center; gap: 0.4rem;
  font-weight: 700; color: var(--pg-primary);
}
.pg-logo span:first-child { color: var(--pg-accent); }

.pg-nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.pg-nav a {
  font-size: 0.82rem; font-weight: 600;
  color: var(--pg-muted); text-transform: uppercase;
  letter-spacing: 0.04em;
}
.pg-nav a:hover, .pg-nav a.active { color: var(--pg-accent); }

/* Hero */
.pg-hero {
  background: linear-gradient(135deg, var(--pg-primary) 0%, #2a5080 55%, #1a4a42 100%);
  color: #fff;
  padding: 3.5rem 1.25rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pg-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(44,165,141,0.25), transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(232,132,59,0.15), transparent 50%);
  pointer-events: none;
}

.pg-hero-inner { max-width: 720px; margin: 0 auto; position: relative; }

.pg-breadcrumb {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 1rem;
}
.pg-breadcrumb a { color: rgba(255,255,255,0.85); }

.pg-hero h1 {
  font-family: var(--pg-serif);
  font-size: clamp(1.8rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.85rem;
}

.pg-hero .pg-lead {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: rgba(255,255,255,0.88);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.65;
}

.pg-tag {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.35rem 0.9rem;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
}

/* Article body */
.pg-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.pg-article {
  background: var(--pg-white);
  border: 1px solid var(--pg-border);
  border-radius: var(--pg-radius);
  padding: 2.5rem 2rem;
  box-shadow: 0 8px 32px rgba(30,58,95,0.07);
}

.pg-article h2 {
  font-family: var(--pg-serif);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--pg-primary);
  margin: 2rem 0 0.75rem;
  line-height: 1.25;
}
.pg-article h2:first-child { margin-top: 0; }
.pg-article h2 .acc { font-style: italic; color: var(--pg-accent); font-weight: 600; }

.pg-article h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--pg-primary);
  margin: 1.5rem 0 0.5rem;
}
.pg-article h3 .acc { font-style: italic; color: var(--pg-accent-alt); font-weight: 600; }
.pg-article h3 .num { color: var(--pg-accent); }

.pg-hero h1 .acc { font-style: italic; }
.pg-hero h1 .hl { font-weight: 800; }

.pg-article p em { font-style: italic; color: var(--pg-text); }
.pg-article p .hl { font-weight: 600; color: var(--pg-text); }

.pg-stat .stat-num,
.pg-stat strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--pg-accent);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.pg-article p {
  color: var(--pg-muted);
  margin-bottom: 1rem;
  font-size: 0.97rem;
}

.pg-article ul, .pg-article ol {
  margin: 0.75rem 0 1.25rem 1.25rem;
  color: var(--pg-muted);
  font-size: 0.95rem;
}
.pg-article li { margin-bottom: 0.45rem; }
.pg-article li strong { color: var(--pg-text); }

/* SEO checklist grid */
.pg-checklist {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.85rem;
  margin: 1.5rem 0;
  list-style: none;
  padding: 0;
}

.pg-checklist li {
  padding: 1rem 1.1rem;
  background: var(--pg-bg);
  border: 1px solid var(--pg-border);
  border-radius: 10px;
  font-size: 0.88rem;
  color: var(--pg-text);
  margin: 0;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.pg-checklist li:hover {
  border-color: var(--pg-accent);
  box-shadow: 0 4px 14px rgba(44,165,141,0.12);
}
.pg-checklist li::before {
  content: "✓";
  display: inline-block;
  width: 22px; height: 22px;
  background: var(--pg-accent);
  color: #fff;
  border-radius: 50%;
  text-align: center;
  line-height: 22px;
  font-size: 0.7rem;
  font-weight: 700;
  margin-right: 0.5rem;
  vertical-align: top;
}
.pg-checklist .cl-label { font-weight: 600; color: var(--pg-text); }

/* Highlight box */
.pg-callout {
  margin: 1.75rem 0;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, rgba(44,165,141,0.08), rgba(30,58,95,0.05));
  border-left: 4px solid var(--pg-accent);
  border-radius: 0 10px 10px 0;
}
.pg-callout p { margin: 0; color: var(--pg-text); }

/* Stats row */
.pg-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.75rem 0;
}
.pg-stat {
  text-align: center;
  padding: 1.25rem 0.75rem;
  background: var(--pg-bg);
  border-radius: 10px;
  border: 1px solid var(--pg-border);
}
.pg-stat .stat-num,
.pg-stat strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--pg-accent);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.pg-stat span { font-size: 0.78rem; color: var(--pg-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* Steps */
.pg-steps { counter-reset: step; list-style: none; padding: 0; margin: 1.25rem 0; }
.pg-steps li {
  counter-increment: step;
  position: relative;
  padding: 1rem 1rem 1rem 3.25rem;
  margin-bottom: 0.75rem;
  background: var(--pg-bg);
  border-radius: 10px;
  border: 1px solid var(--pg-border);
  color: var(--pg-muted);
  font-size: 0.94rem;
}
.pg-steps .step-label { font-weight: 600; color: var(--pg-text); }
.pg-steps li::before {
  content: counter(step);
  position: absolute; left: 1rem; top: 50%;
  transform: translateY(-50%);
  width: 28px; height: 28px;
  background: var(--pg-primary);
  color: #fff;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.8rem; font-weight: 700;
}

/* CTA */
.pg-cta {
  margin-top: 2rem;
  padding: 1.75rem;
  text-align: center;
  background: linear-gradient(135deg, var(--pg-primary), #2a5080);
  border-radius: var(--pg-radius);
  color: #fff;
}
.pg-cta h3 { color: #fff; margin-bottom: 0.5rem; font-size: 1.25rem; }
.pg-cta p { color: rgba(255,255,255,0.85); margin-bottom: 1.25rem; font-size: 0.92rem; }
.pg-cta-btns { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.pg-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.75rem 1.4rem;
  border-radius: 9px;
  font-weight: 600; font-size: 0.9rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.pg-btn:hover { transform: translateY(-2px); }
.pg-btn-primary { background: var(--pg-accent); color: #fff; box-shadow: 0 4px 16px rgba(44,165,141,0.35); }
.pg-btn-wa { background: #25d366; color: #fff; box-shadow: 0 4px 16px rgba(37,211,102,0.35); }
.pg-btn-ghost { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.25); }

/* Footer */
.pg-footer {
  background: var(--pg-primary);
  color: rgba(255,255,255,0.7);
  padding: 2rem 1.25rem;
  text-align: center;
  font-size: 0.85rem;
}
.pg-footer a { color: var(--pg-accent); }
.pg-footer-links {
  display: flex; gap: 1.25rem; justify-content: center;
  flex-wrap: wrap; margin-bottom: 0.75rem;
}
.pg-footer-links a { color: rgba(255,255,255,0.85); font-weight: 500; }
.pg-footer-links a:hover { color: #fff; }

/* WhatsApp float */
.pg-wa-float {
  position: fixed;
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  right: max(1.25rem, env(safe-area-inset-right));
  z-index: 200;
  width: 54px; height: 54px;
  background: #25d366; color: #fff;
  border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: 0 6px 22px rgba(37,211,102,0.45);
  transition: transform 0.2s;
}
.pg-wa-float:hover { transform: scale(1.08); color: #fff; }
.pg-wa-float svg { width: 28px; height: 28px; fill: currentColor; }

@media (max-width: 640px) {
  .pg-article { padding: 1.5rem 1.15rem; }
  .pg-stats { grid-template-columns: 1fr; }
  .pg-nav { display: none; }
  .pg-checklist { grid-template-columns: 1fr; }
}