/* ═══ BLOG SELKERMO — stile condiviso ═══ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --nero: #030303; --navy: #0a111e; --navy-light: #0f1a2e;
  --blu-scuro: #1035B0; --blu-medio: #2680E9; --ciano: #3EC8F7;
  --ghiaccio: #e8f4ff; --ciano-vivid: #4FE3FF; --oro: #f5c842;
  --testo-secondario: #8aa4c8; --testo-dim: #4a6c96;
  --bordo: rgba(62, 200, 247, 0.14); --bordo-hover: rgba(79, 227, 255, 0.55);
  --radius: 18px; --radius-sm: 12px; --radius-pill: 100px; --max: 1200px;
  --grad-brand: linear-gradient(135deg, #2680E9 0%, #4FE3FF 100%);
  --success: #22d3a0; --warning: #ffb84d;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--nero); color: var(--ghiaccio);
  line-height: 1.75; overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: ""; position: fixed; inset: 0; z-index: -3; pointer-events: none;
  background:
    radial-gradient(1000px 700px at 12% -8%, rgba(16,53,176,0.28), transparent 60%),
    radial-gradient(900px 600px at 100% 5%, rgba(62,200,247,0.18), transparent 55%),
    radial-gradient(800px 700px at 50% 110%, rgba(38,128,233,0.16), transparent 60%);
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.15;
  color: var(--ghiaccio);
}

a { color: var(--ciano-vivid); text-decoration: none; transition: color 0.2s; }
a:hover { color: #7FEEFF; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ═══ HERO ARCHIVIO ═══ */
.blog-hero {
  padding: 140px 0 60px;
  text-align: center;
}
.blog-hero .eyebrow {
  display: inline-block; font-size: 13px; font-weight: 800;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ciano-vivid); margin-bottom: 18px;
}
.blog-hero h1 {
  font-size: clamp(34px, 5.5vw, 60px);
  margin-bottom: 20px;
  background: linear-gradient(180deg, #ffffff 30%, #8aa4c8 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.blog-hero h1 .grad {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.blog-hero p {
  font-size: 17px; color: var(--testo-secondario);
  max-width: 640px; margin: 0 auto 34px; line-height: 1.7;
}

/* ═══ FILTRI CATEGORIA ═══ */
.blog-filters {
  display: flex; gap: 10px; flex-wrap: wrap;
  justify-content: center; margin-bottom: 46px;
}
.blog-filter {
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--bordo);
  background: rgba(10, 17, 30, 0.6);
  color: var(--testo-secondario);
  font-family: 'Inter', sans-serif;
  font-size: 13.5px; font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  white-space: nowrap;
}
.blog-filter:hover { border-color: rgba(79, 227, 255, 0.5); color: var(--ciano-vivid); }
.blog-filter.active {
  background: var(--grad-brand); border-color: transparent;
  color: #02121d; box-shadow: 0 6px 20px rgba(38, 128, 233, 0.4);
}

/* ═══ GRIGLIA ARTICOLI ═══ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 26px;
  margin-bottom: 80px;
}

.blog-card {
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--navy-light), var(--navy));
  border: 1px solid var(--bordo);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(.2,.7,.2,1), border-color 0.3s, box-shadow 0.35s;
  position: relative;
}
.blog-card:hover {
  transform: translateY(-5px);
  border-color: var(--bordo-hover);
  box-shadow: 0 20px 50px rgba(0,0,0,0.55), 0 0 40px rgba(79, 227, 255, 0.1);
}
.blog-card-thumb {
  height: 180px;
  background: linear-gradient(135deg, rgba(38,128,233,0.35), rgba(79,227,255,0.15));
  position: relative;
  display: grid; place-items: center;
  font-size: 56px;
  overflow: hidden;
}
.blog-card-thumb::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(400px circle at 30% 30%, rgba(79, 227, 255, 0.25), transparent 60%);
}
.blog-card-body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; gap: 12px; }
.blog-card-cat {
  display: inline-block; font-size: 10.5px; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ciano-vivid);
  padding: 4px 12px; border-radius: var(--radius-pill);
  background: rgba(79, 227, 255, 0.08);
  border: 1px solid rgba(79, 227, 255, 0.25);
  align-self: flex-start;
}
.blog-card h3 {
  font-size: 20px; line-height: 1.3;
  letter-spacing: -0.01em;
  transition: color 0.25s;
}
.blog-card:hover h3 { color: var(--ciano-vivid); }
.blog-card p { font-size: 14px; color: var(--testo-secondario); line-height: 1.65; flex: 1; }
.blog-card-meta {
  display: flex; gap: 14px; align-items: center;
  font-size: 12px; color: var(--testo-dim);
  margin-top: 4px; padding-top: 14px;
  border-top: 1px solid rgba(62, 200, 247, 0.1);
}
.blog-card-meta span { display: inline-flex; align-items: center; gap: 5px; }

/* ═══ ARTICOLO ═══ */
.article-hero {
  padding: 130px 0 40px;
  text-align: center;
}
.article-hero .breadcrumb {
  display: flex; justify-content: center; gap: 8px;
  font-size: 13px; color: var(--testo-dim); margin-bottom: 22px;
}
.article-hero .breadcrumb a { color: var(--testo-dim); }
.article-hero .breadcrumb a:hover { color: var(--ciano-vivid); }
.article-hero .breadcrumb span { opacity: 0.5; }
.article-hero .cat {
  display: inline-block; font-size: 11px; font-weight: 800;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ciano-vivid);
  padding: 5px 14px; border-radius: var(--radius-pill);
  background: rgba(79, 227, 255, 0.08);
  border: 1px solid rgba(79, 227, 255, 0.3);
  margin-bottom: 22px;
}
.article-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  max-width: 820px; margin: 0 auto 22px;
  line-height: 1.15;
}
.article-meta {
  display: flex; gap: 18px; justify-content: center;
  flex-wrap: wrap; font-size: 13.5px; color: var(--testo-dim);
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta strong { color: var(--testo-secondario); font-weight: 600; }

/* Corpo articolo */
.article-body {
  max-width: 720px; margin: 0 auto;
  padding: 30px 24px 60px;
  font-size: 17px; line-height: 1.85;
  color: #b8d4ef;
}
.article-body p { margin-bottom: 22px; }
.article-body h2 {
  font-size: 28px; color: var(--ghiaccio);
  margin: 46px 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--bordo);
  display: flex; align-items: center; gap: 12px;
}
.article-body h2::before {
  content: ""; width: 4px; height: 22px;
  background: var(--grad-brand); border-radius: 2px;
  box-shadow: 0 0 12px rgba(79, 227, 255, 0.6);
}
.article-body h3 {
  font-size: 20px; color: var(--ghiaccio);
  margin: 34px 0 12px;
}
.article-body ul, .article-body ol {
  margin: 0 0 22px 22px;
}
.article-body li { margin-bottom: 10px; }
.article-body strong { color: var(--ghiaccio); font-weight: 700; }
.article-body em { color: var(--ciano-vivid); font-style: normal; font-weight: 600; }
.article-body a { border-bottom: 1px solid rgba(79, 227, 255, 0.4); }

.article-body .info-box {
  background: linear-gradient(135deg, rgba(38,128,233,0.12), rgba(79,227,255,0.05));
  border: 1px solid rgba(79, 227, 255, 0.3);
  border-radius: var(--radius);
  padding: 22px 26px; margin: 28px 0;
  font-size: 15px; line-height: 1.7; color: #b8d4ef;
}
.article-body .info-box strong {
  display: block; color: var(--ciano-vivid);
  margin-bottom: 8px; font-size: 12.5px;
  text-transform: uppercase; letter-spacing: 0.08em;
  font-weight: 800;
}

.article-body .price-table {
  width: 100%; border-collapse: collapse;
  margin: 24px 0; font-size: 14.5px;
  border: 1px solid var(--bordo); border-radius: var(--radius-sm);
  overflow: hidden;
}
.article-body .price-table th {
  background: rgba(38, 128, 233, 0.12);
  color: var(--ciano-vivid); text-align: left;
  padding: 14px 16px; font-weight: 700; font-size: 12.5px;
  text-transform: uppercase; letter-spacing: 0.06em;
  border-bottom: 1px solid var(--bordo);
}
.article-body .price-table td {
  padding: 12px 16px; border-bottom: 1px solid rgba(62, 200, 247, 0.08);
  color: #b8d4ef;
}
.article-body .price-table tr:last-child td { border-bottom: none; }
.article-body .price-table tr:hover td { background: rgba(79, 227, 255, 0.03); }

/* FAQ */
.article-faq {
  max-width: 720px; margin: 30px auto 60px;
  padding: 0 24px;
}
.article-faq h2 {
  font-size: 26px; margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.article-faq h2::before {
  content: ""; width: 4px; height: 22px;
  background: var(--grad-brand); border-radius: 2px;
}
.faq-item {
  background: linear-gradient(180deg, var(--navy-light), var(--navy));
  border: 1px solid var(--bordo);
  border-radius: var(--radius-sm);
  margin-bottom: 12px; overflow: hidden;
}
.faq-item summary {
  padding: 18px 24px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 600; font-size: 15.5px;
  color: var(--ghiaccio);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 24px; color: var(--ciano-vivid);
  font-weight: 300; transition: transform 0.3s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  padding: 0 24px 20px; color: var(--testo-secondario);
  font-size: 14.5px; line-height: 1.7;
}

/* CTA finale articolo */
.article-cta {
  max-width: 720px; margin: 0 auto 80px;
  padding: 40px 32px;
  background: linear-gradient(160deg, rgba(38,128,233,0.15), rgba(79,227,255,0.04));
  border: 1px solid rgba(79, 227, 255, 0.35);
  border-radius: var(--radius);
  text-align: center;
  position: relative; overflow: hidden;
}
.article-cta::before {
  content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 60%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79, 227, 255, 0.7), transparent);
}
.article-cta h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px; margin-bottom: 12px;
}
.article-cta p {
  color: var(--testo-secondario); margin-bottom: 22px;
  font-size: 15.5px; line-height: 1.7;
}
.article-cta .btn-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 32px; border-radius: var(--radius-pill);
  background: var(--grad-brand); color: #02121d;
  font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 700;
  box-shadow: 0 10px 30px rgba(38, 128, 233, 0.4);
  transition: transform 0.25s, box-shadow 0.25s;
  border: none; cursor: pointer;
}
.article-cta .btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(79, 227, 255, 0.5);
  color: #02121d;
}

/* Articoli correlati */
.related-posts {
  max-width: var(--max); margin: 0 auto;
  padding: 40px 24px 80px;
  border-top: 1px solid var(--bordo);
}
.related-posts h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px; margin-bottom: 28px;
  text-align: center;
}

@media (max-width: 640px) {
  .blog-hero { padding: 110px 0 40px; }
  .article-hero { padding: 110px 0 30px; }
  .article-body { font-size: 16px; padding: 20px 20px 50px; }
  .article-body h2 { font-size: 24px; }
  .blog-grid { grid-template-columns: 1fr; }
}

/* Fix header overlap — neutralizza il fixed di v21 sul <header> dell'articolo */
article > header.article-hero,
article > .blog-hero,
section.blog-hero {
  position: static !important;
  top: auto !important;
  left: auto !important;
  right: auto !important;
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border-bottom: none !important;
  -webkit-mask-image: none !important;
  mask-image: none !important;
  z-index: auto !important;
  padding: 180px 0 80px !important;
  text-align: center;
}

/* Breadcrumb e meta ben visibili */
.article-hero .breadcrumb a,
.article-hero .breadcrumb span {
  color: #8aa4c8 !important;
  opacity: 1 !important;
}
.article-hero .breadcrumb a:hover { color: var(--ciano-vivid) !important; }

/* Spazio extra prima dell'info-box */
.article-body > .info-box:first-of-type {
  margin-top: 40px;
}

/* Piccolo invito alla registrazione solo in fondo all'articolo */
.article-cta::after {
  content: "💡 Vuoi sbloccare i prezzi riservati? Registrati gratis in 30 secondi.";
  display: block;
  margin-top: 18px;
  font-size: 13px;
  color: var(--testo-dim);
  letter-spacing: 0.02em;
}

/* Disclaimer articolo */
.article-disclaimer {
  max-width: 720px;
  margin: 40px auto 20px;
  padding: 16px 20px;
  background: rgba(74, 108, 150, 0.06);
  border-left: 3px solid rgba(138, 164, 200, 0.4);
  border-radius: 8px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--testo-dim);
}
.article-disclaimer strong { color: var(--testo-secondario); }

/* Footer — stile identico a index (fallback se v21 non lo applica) */
footer {
  background: var(--navy);
  border-top: 1px solid var(--bordo);
  padding: 70px 0 30px;
  margin-top: 0;
  position: relative;
}
footer::before {
  content: ""; position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 70%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79, 227, 255, 0.6), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
}
.footer-brand .logo-container { margin-bottom: 18px; }
.footer-brand p {
  color: var(--testo-secondario);
  font-size: 14.5px; line-height: 1.7;
  max-width: 340px;
}
.footer-col h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px; font-weight: 700;
  color: var(--ghiaccio);
  margin-bottom: 18px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-col a {
  display: block;
  color: var(--testo-secondario);
  text-decoration: none;
  font-size: 14.5px;
  margin-bottom: 11px;
  transition: color 0.25s, transform 0.25s;
}
.footer-col a:hover {
  color: var(--ciano-vivid);
  transform: translateX(3px);
}
.footer-bottom {
  border-top: 1px solid var(--bordo);
  padding-top: 26px;
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 14px;
  font-size: 13.5px; color: var(--testo-dim);
}
.footer-bottom .brand-name {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; font-weight: 700;
}
.footer-bottom .piva strong {
  color: var(--testo-secondario); font-weight: 600;
}
.legal-links {
  margin-top: 22px; padding-top: 22px;
  border-top: 1px solid var(--bordo);
  display: flex; flex-wrap: wrap; justify-content: center;
  align-items: center; gap: 6px 4px;
  font-size: 13.5px;
}
.legal-links a {
  color: var(--testo-dim);
  text-decoration: none;
  padding: 2px 10px;
  transition: color 0.25s, text-shadow 0.25s;
}
.legal-links a:hover {
  color: var(--ciano-vivid);
  text-shadow: 0 0 12px rgba(79, 227, 255, 0.6);
}
.legal-links span { color: var(--testo-dim); opacity: 0.4; }