/* ============================================================
   home.css — stili della sola homepage.
   index.html non carica styles.css (condiviso da 38 pagine):
   questo file e' autosufficiente, token compresi.
   ============================================================ */

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

:root {
  --bg: #F5F3EE;
  --text: #111110;
  --accent: #C8E63C;
  --accent-soft: #DEE8C4;
  --muted: #6B6B68;
  /* --muted su verde salvia da' 4.19:1, sotto la soglia AA di 4.5.
     Sulle sezioni salvia il testo secondario usa questa variante. */
  --muted-sage: #5A5A57;
  --border: #E0DDD6;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --nav-h: 76px;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

/* La nav e' fissa: senza questo gli anchor target finiscono sotto la barra.
   Difetto presente anche nella home attuale. */
[id] { scroll-margin-top: calc(var(--nav-h) + 1rem); }

img { max-width: 100%; height: auto; }

/* ===== PULSANTI ===== */
/* Rettangolari, spigoli vivi, maiuscolo. Sostituiscono le pillole nere. */
.btn {
  display: inline-block;
  padding: 0.95rem 2.1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1.5px solid transparent;
  border-radius: 0;
  transition: background .2s, color .2s, border-color .2s;
}
.btn-lime { background: var(--accent); color: var(--text); border-color: var(--text); }
.btn-lime:hover { background: var(--text); color: var(--accent); }

/* ===== NAV ===== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  min-height: var(--nav-h);
  padding: 1.25rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: rgba(245, 243, 238, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-logo img { height: 32px; display: block; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: opacity .2s;
}
.nav-links a:hover { opacity: 0.6; }
.nav-cta { padding: 0.7rem 1.5rem; font-size: 0.72rem; }

/* ===== IMPALCATURA DELLE SEZIONI ===== */
.section { padding: 7rem 3rem; border-bottom: 1px solid var(--border); }
.section-sage { background: var(--accent-soft); }
.section-dark { background: var(--text); color: var(--bg); }

.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 60px;
}
.section-dark .section-label { color: rgba(245, 243, 238, 0.5); }
.section-dark .section-label::after { background: rgba(245, 243, 238, 0.2); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  max-width: 800px;
}
.section-title em { font-style: italic; color: var(--muted); }
.section-dark .section-title { color: var(--bg); }
.section-dark .section-title em { color: var(--accent); }

.section-body {
  font-size: 1.0625rem;
  color: var(--muted);
  max-width: 640px;
  line-height: 1.8;
}
.section-dark .section-body { color: rgba(245, 243, 238, 0.7); }
/* Sul salvia il grigio standard non raggiunge il contrasto AA: si scurisce.
   .section-title em e' large text, quindi gli basterebbe 3:1, ma allinearlo
   evita di dover ragionare per soglie diverse dentro la stessa sezione. */
.section-sage .section-label,
.section-sage .section-body,
.section-sage .section-title em,
.section-sage .numero-label { color: var(--muted-sage); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 5rem) 3rem 5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  border-bottom: 1px solid var(--border);
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.75rem;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 5.5vw, 5rem);
  font-weight: 500;
  line-height: 1.08;
  margin-bottom: 2rem;
}
.hero-title em { font-style: italic; color: var(--muted); }
.hero-subtitle {
  font-size: 1.0625rem;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}
.hero-media { position: relative; }
.hero-media img { display: block; width: 100%; }
.hero-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--accent);
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.7rem 1.4rem;
}

/* ===== TICKER ===== */
.ticker-wrap {
  overflow: hidden;
  display: flex;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
.ticker-track {
  display: flex;
  gap: 3rem;
  padding-right: 3rem;
  flex-shrink: 0;
  animation: ticker 40s linear infinite;
}
.ticker-wrap:hover .ticker-track { animation-play-state: paused; }
.ticker-item {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ===== PILASTRI ===== */
.pilastri {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}
.pilastro-badge {
  display: inline-block;
  background: var(--text);
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  margin-bottom: 1rem;
}
.pilastro p { font-size: 0.9375rem; color: var(--text); line-height: 1.7; opacity: 0.75; }

/* ===== LAYOUT A DUE COLONNE ===== */
/* Usata dalla sezione Metodo. Definita anche in styles.css, che pero'
   la home non carica: senza questa regola il Metodo rende impilato. */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.two-col .section-title { max-width: 100%; }

/* ===== METODO ===== */
.metodo-steps { margin-top: 3rem; }
.metodo-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.step-num { font-family: var(--font-serif); font-size: 2.5rem; color: var(--accent-soft); font-weight: 500; line-height: 1; }
.step-content h3 { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 500; margin-bottom: 0.5rem; }
.step-content p { font-size: 0.9375rem; color: var(--muted); line-height: 1.7; }
.step-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  margin-bottom: 0.6rem;
}

/* ===== COMPETENZE OPERATIVE ===== */
.servizi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 3.5rem;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.servizio {
  padding: 2rem 1.75rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: background .2s;
}
a.servizio:hover { background: var(--accent-soft); }
a.servizio:focus-visible { background: var(--accent-soft); }
.servizio h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.servizio p { font-size: 0.875rem; color: var(--muted); line-height: 1.7; }

/* ===== NUMERI ===== */
.numeri-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-top: 3.5rem; }
.numero-card { padding: 2rem 0; border-top: 2px solid var(--text); }
.numero-val { font-family: var(--font-serif); font-size: 3.5rem; font-weight: 600; line-height: 1; margin-bottom: 0.5rem; }
.numero-label { font-size: 0.875rem; color: var(--muted); line-height: 1.5; }

/* ===== IMPATTO MISURABILE ===== */
.impatto-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 3.5rem; }
.impatto-card { border-left: 3px solid var(--accent); padding: 0.25rem 0 0.25rem 1.75rem; }
.impatto-val {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 600;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 0.9rem;
}
.impatto-desc { font-size: 1rem; color: rgba(245, 243, 238, 0.8); line-height: 1.7; margin-bottom: 0.9rem; }
.impatto-meta {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  /* 0.45 darebbe 4.22:1 su nero, sotto AA. 0.60 porta a 6.63:1. */
  color: rgba(245, 243, 238, 0.6);
}

/* ===== CTA FINALE ===== */
.cta-finale { text-align: center; }
.cta-finale .section-title { margin-left: auto; margin-right: auto; }
.cta-finale .section-body { margin: 0 auto 2.5rem; }

/* ===== FOOTER ===== */
.site-footer { padding: 4.5rem 3rem 2.5rem; }
.footer-cols {
  display: grid;
  grid-template-columns: 1.2fr 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}
.footer-logo img { height: 34px; display: block; }
.footer-head {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.1rem;
}
.footer-addr, .footer-orari { font-style: normal; font-size: 0.9375rem; line-height: 1.9; }
.footer-addr a { color: var(--text); text-decoration: none; }
.footer-addr a:hover { text-decoration: underline; }
.footer-chiuso { color: var(--muted); margin-top: 0.6rem; }
.footer-social { list-style: none; }
.footer-social a { font-size: 0.9375rem; line-height: 1.9; color: var(--text); text-decoration: none; }
.footer-social a:hover { text-decoration: underline; }
.footer-copy { padding-top: 1.75rem; font-size: 0.8rem; color: var(--muted); }

/* ===== RESPONSIVE — impalcatura ===== */
@media (max-width: 900px) {
  .site-nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .section { padding: 4rem 1.5rem; }
  .hero {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: calc(var(--nav-h) + 3rem) 1.5rem 3rem;
    min-height: auto;
  }
  .pilastri { grid-template-columns: 1fr; }
  .metodo-step { grid-template-columns: 48px 1fr; gap: 1rem; }
  .two-col { grid-template-columns: 1fr; gap: 2.5rem; }
  .servizi-grid { grid-template-columns: repeat(2, 1fr); }
  .numeri-grid { grid-template-columns: repeat(2, 1fr); }
  .impatto-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .site-footer { padding: 3rem 1.5rem 2rem; }
  .footer-cols { grid-template-columns: 1fr; gap: 2rem; }
}

@media (min-width: 901px) and (max-width: 1200px) {
  .servizi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .servizi-grid { grid-template-columns: 1fr; }
}