/* SEO landing — eredita le variabili tema da style.css (--color-*)
   Larghezza contenuto = quella di main.container del sito; le sezioni
   riempiono il container, così restano tutte allineate tra loro. */

/* HERO */
.seo-hero {
  padding: 4rem 0 3.5rem;
  max-width: 54rem;
}
.seo-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin: 0 0 1rem;
}
.seo-hero-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  line-height: 1.12;
  color: var(--color-headers);
  margin: 0 0 1.2rem;
}
.seo-hero-sub {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--color-dim);
  margin: 0 0 1.8rem;
}

/* SECTIONS */
.seo-section { padding: 3rem 0; }
/* Fascia alt: sfondo full-bleed (esteso a tutta la viewport) ma
   contenuto allineato con le altre sezioni. margin negativo estende
   il box, padding uguale e opposto riporta il contenuto in asse. */
.seo-section-alt {
  background: var(--color-card-bg);
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding-left: calc(50vw - 50%);
  padding-right: calc(50vw - 50%);
}
.seo-section-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: var(--color-headers);
  margin: 0 0 1.5rem;
}
.seo-section-title.seo-tight { margin-top: 0; }

.seo-prose p {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--color-foreground);
  margin: 0 0 1.1rem;
  max-width: 46rem;
}

/* SPLIT (testo + immagine) */
.seo-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.seo-split-text p {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--color-foreground);
  margin: 0 0 1.1rem;
}

/* STEPS */
.seo-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.seo-step {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.6rem;
  background: var(--color-card-bg);
}
.seo-step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-orange);
}
.seo-step h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--color-headers);
  margin: 0.5rem 0 0.7rem;
}
.seo-step p {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--color-dim);
  margin: 0;
}

/* BUTTONS */
.seo-btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-background);
  background: var(--color-headers);
  padding: 0.85rem 1.6rem;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid var(--color-headers);
  transition: opacity 0.15s ease;
}
.seo-btn:hover { opacity: 0.85; }
.seo-btn-lg { font-size: 1.1rem; padding: 1rem 2rem; }

/* CTA FINALE */
.seo-cta {
  text-align: center;
  padding: 4rem 1rem 4.5rem;
}
.seo-cta h2 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  color: var(--color-headers);
  margin: 0 0 0.8rem;
}
.seo-cta p {
  font-size: 1.1rem;
  color: var(--color-dim);
  margin: 0 auto 1.8rem;
  max-width: 34rem;
}

/* GRAFICO / IMMAGINE dati */
.seo-chart {
  display: block;
  width: 100%;
  max-width: 900px;
  margin: 2.2rem auto 0;
  border: 1px solid var(--color-border);
  border-radius: 10px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .seo-hero { padding: 2.5rem 0; }
  .seo-steps { grid-template-columns: 1fr; }
}