/* GuidaSacchetti – style.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0f172a;
  --navy-mid: #1e293b;
  --green: #16a34a;
  --green-light: #dcfce7;
  --green-dark: #15803d;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-700: #334155;
  --white: #ffffff;
  --text: #0f172a;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.06);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

/* HEADER */
header {
  background: var(--navy);
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -.02em;
}
.logo span { color: var(--green); }

nav { display: flex; gap: .25rem; flex-wrap: wrap; }
nav a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: .82rem;
  padding: .35rem .6rem;
  border-radius: 4px;
  transition: color .2s, background .2s;
}
nav a:hover, nav a.active {
  color: var(--white);
  background: rgba(255,255,255,.08);
}

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 60%, #0a3d1f 100%);
  color: var(--white);
  padding: 4rem 1.5rem 3.5rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.25;
  max-width: 820px;
  margin: 0 auto .9rem;
  letter-spacing: -.02em;
}
.hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.78);
  max-width: 640px;
  margin: 0 auto 1.6rem;
}
.hero-meta {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: .5rem;
}

/* BREADCRUMB */
.breadcrumb {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  padding: .6rem 1.5rem;
  font-size: .8rem;
  color: var(--gray-600);
}
.breadcrumb a { color: var(--green); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 .3rem; }

/* MAIN LAYOUT */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2.5rem;
  align-items: start;
}
.container.full { grid-template-columns: 1fr; max-width: 820px; }

article { min-width: 0; }

/* ARTICLE CONTENT */
article h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--navy);
  margin: 2rem 0 .7rem;
  line-height: 1.3;
  letter-spacing: -.01em;
}
article h2:first-child { margin-top: 0; }
article h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy-mid);
  margin: 1.5rem 0 .5rem;
}
article p { margin-bottom: 1rem; color: var(--gray-700); }
article ul, article ol {
  margin: .6rem 0 1rem 1.4rem;
  color: var(--gray-700);
}
article li { margin-bottom: .35rem; }

/* FEATURED IMAGE */
.featured-img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 1.8rem;
  aspect-ratio: 16/7;
  object-fit: cover;
  display: block;
}

/* INFOBOX / NOTA REDAZIONE */
.nota-redazione {
  background: var(--green-light);
  border-left: 4px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.2rem;
  margin: 1.5rem 0;
  font-size: .9rem;
  color: var(--navy-mid);
}
.nota-redazione strong { color: var(--green-dark); }

.infobox {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  margin: 1.5rem 0;
}
.infobox h4 { font-size: .95rem; font-weight: 700; color: var(--navy); margin-bottom: .6rem; }

/* WARNING */
.warning {
  background: #fef9c3;
  border-left: 4px solid #ca8a04;
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.2rem;
  margin: 1.5rem 0;
  font-size: .9rem;
  color: #713f12;
}

/* TABLE */
.table-wrap { overflow-x: auto; margin: 1.5rem 0; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th {
  background: var(--navy);
  color: var(--white);
  padding: .7rem 1rem;
  text-align: left;
  font-weight: 600;
}
td { padding: .65rem 1rem; border-bottom: 1px solid var(--gray-200); color: var(--gray-700); }
tr:hover td { background: var(--gray-50); }

/* AUTHOR BOX */
.author-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1rem 1.3rem;
  margin: 2rem 0;
}
.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}
.author-info { font-size: .85rem; color: var(--gray-600); }
.author-info strong { color: var(--navy); font-size: .95rem; display: block; }

/* SIDEBAR */
aside { position: sticky; top: 80px; }

.sidebar-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.2rem;
  margin-bottom: 1.5rem;
}
.sidebar-card h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .8rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--green);
}
.sidebar-card ul { list-style: none; padding: 0; margin: 0; }
.sidebar-card li { margin-bottom: .4rem; }
.sidebar-card a {
  color: var(--green-dark);
  text-decoration: none;
  font-size: .875rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.sidebar-card a:hover { text-decoration: underline; }
.sidebar-card a::before { content: "→"; color: var(--green); }

.cta-card {
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.4rem;
  text-align: center;
  margin-bottom: 1.5rem;
}
.cta-card h3 { color: var(--white); margin-bottom: .6rem; font-size: 1rem; }
.cta-card p { color: rgba(255,255,255,.75); font-size: .85rem; margin-bottom: 1rem; }
.btn {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  padding: .65rem 1.4rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: .9rem;
  transition: background .2s;
}
.btn:hover { background: var(--green-dark); }

/* CARD GRID */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.2rem;
  margin: 1.5rem 0;
}
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.3rem;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: box-shadow .2s, transform .2s;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.card:hover { box-shadow: 0 6px 20px rgba(0,0,0,.1); transform: translateY(-2px); }
.card-icon { font-size: 1.6rem; }
.card h3 { font-size: 1rem; font-weight: 700; color: var(--navy); }
.card p { font-size: .85rem; color: var(--gray-600); line-height: 1.5; }

/* FAQ */
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: .8rem;
  overflow: hidden;
}
.faq-q {
  background: var(--gray-50);
  padding: 1rem 1.2rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-a { padding: 1rem 1.2rem; color: var(--gray-700); font-size: .95rem; }

/* STATS */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.stat-box {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.2rem;
  text-align: center;
}
.stat-box .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
  display: block;
}
.stat-box .label { font-size: .78rem; color: rgba(255,255,255,.65); margin-top: .3rem; }

/* FOOTER */
footer {
  background: var(--navy);
  color: rgba(255,255,255,.6);
  padding: 2.5rem 1.5rem;
  margin-top: 3rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
}
footer h4 { color: var(--white); font-size: .9rem; margin-bottom: .8rem; }
footer p { font-size: .82rem; line-height: 1.6; }
footer ul { list-style: none; }
footer li { margin-bottom: .3rem; }
footer a { color: rgba(255,255,255,.55); text-decoration: none; font-size: .82rem; }
footer a:hover { color: var(--green); }
.footer-bottom {
  max-width: 1100px;
  margin: 1.5rem auto 0;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .78rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .container { grid-template-columns: 1fr; }
  aside { position: static; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  nav { gap: .1rem; }
  nav a { font-size: .75rem; padding: .3rem .45rem; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}