/* -------------------------------------------------------
   Font dei titoli: Manrope (variabile, subset latino).
   Self-hosted: nessuna chiamata a Google Fonts, quindi
   nessun trasferimento di IP dei visitatori a terzi.
   ------------------------------------------------------- */
@font-face {
  font-family: "Manrope";
  src: url("/assets/fonts/manrope.woff2") format("woff2");
  font-weight: 400 800;       /* font variabile: un solo file per tutti i pesi */
  font-style: normal;
  font-display: swap;         /* il testo resta leggibile durante il caricamento */
}

/* =========================================================
   OPO S.R.L. — stile del sito
   Approccio mobile-first. Nessuna risorsa esterna:
   font di sistema, zero CDN (anche per conformita GDPR).
   ========================================================= */

:root {
  /* Colori brand: il verde e campionato dal logo OPO (#019049) */
  --verde: #019049;
  --verde-scuro: #006d37;   /* usato per testo e bottoni: contrasto AA su bianco */
  --verde-chiaro: #e8f5ee;

  --nero: #14181a;
  --grigio-testo: #4a5257;
  --grigio-bordo: #e2e6e8;
  --grigio-sfondo: #f6f8f8;
  --bianco: #ffffff;

  /* Spaziature */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2rem;
  --sp-5: 3rem;
  --sp-6: 4.5rem;

  --raggio: 10px;
  --ombra: 0 1px 2px rgba(20, 24, 26, .06), 0 8px 24px rgba(20, 24, 26, .06);
  --max-w: 1100px;
  --max-w-narrow: 720px;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-titoli: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--grigio-testo);
  background: var(--bianco);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-titoli);
  color: var(--nero);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -.025em;    /* tracking stretto: aspetto piu compatto e attuale */
  margin: 0 0 var(--sp-2);
}
h1 { font-size: clamp(2rem, 6.2vw, 3.2rem); }
h2 { font-size: clamp(1.55rem, 4.4vw, 2.2rem); }
h3 { font-size: 1.12rem; font-weight: 700; letter-spacing: -.015em; }
p  { margin: 0 0 var(--sp-2); }

a { color: var(--verde-scuro); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--nero); }

/* Focus visibile su tutti gli elementi interattivi (accessibilita) */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--verde);
  outline-offset: 3px;
  border-radius: 4px;
}

img, picture { max-width: 100%; height: auto; display: block; }

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

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 1000;
  background: var(--nero); color: var(--bianco);
  padding: var(--sp-1) var(--sp-2); text-decoration: none;
}
.skip-link:focus { left: var(--sp-2); top: var(--sp-2); color: var(--bianco); }

.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--sp-2);
}
.wrap.narrow { max-width: var(--max-w); }
.wrap.narrow > * { max-width: var(--max-w-narrow); }

/* ---------- Header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--grigio-bordo);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-2);
  padding-block: var(--sp-1);
  flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: var(--sp-1);
  text-decoration: none; color: var(--nero);
}
.brand img { width: 44px; height: 44px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong {
  font-family: var(--font-titoli);
  font-size: 1.35rem; font-weight: 800; letter-spacing: .02em;
}
.brand-text small { font-size: .72rem; color: var(--grigio-testo); letter-spacing: .02em; }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  background: none; border: 1px solid var(--grigio-bordo);
  border-radius: var(--raggio); cursor: pointer;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  display: block; width: 20px; height: 2px;
  background: var(--nero); border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle-bar { position: relative; }
.nav-toggle-bar::before,
.nav-toggle-bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after  { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after  { transform: translateY(-6px) rotate(-45deg); }

.nav { display: none; width: 100%; }
.nav.is-open { display: block; }
.nav ul {
  list-style: none; margin: 0; padding: 0 0 var(--sp-2);
  display: flex; flex-direction: column; gap: 2px;
}
.nav a {
  display: block; padding: var(--sp-1) var(--sp-1);
  text-decoration: none; color: var(--nero); font-weight: 500;
  border-radius: var(--raggio);
}
.nav a:hover { background: var(--verde-chiaro); color: var(--verde-scuro); }
.nav .nav-cta { color: var(--verde-scuro); }

@media (min-width: 800px) {
  .nav-toggle { display: none; }
  .nav { display: block; width: auto; }
  .nav ul { flex-direction: row; align-items: center; gap: var(--sp-1); padding: 0; }
  .nav .nav-cta {
    background: var(--verde-scuro); color: var(--bianco);
    padding-inline: var(--sp-2);
  }
  .nav .nav-cta:hover { background: var(--nero); color: var(--bianco); }
}

/* ---------- Hero ---------- */

.hero {
  padding-block: var(--sp-5) var(--sp-4);
  background:
    radial-gradient(60% 90% at 90% 0%, var(--verde-chiaro) 0%, transparent 62%),
    var(--bianco);
  border-bottom: 1px solid var(--grigio-bordo);
}
/* Hero a due colonne su schermi larghi: il marchio riempie lo spazio a destra */
.hero-grid { display: block; }
.hero-mark { display: none; }

@media (min-width: 900px) {
  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--sp-5);
  }
  .hero-mark { display: block; }
  .hero-mark img {
    width: 260px; height: 260px;
    border-radius: var(--raggio);
    box-shadow: var(--ombra);
  }
}

.eyebrow {
  text-transform: uppercase; letter-spacing: .1em;
  font-size: .75rem; font-weight: 600;
  color: var(--verde-scuro); margin-bottom: var(--sp-1);
}
.hero h1 { max-width: 16ch; }
.lead { font-size: 1.08rem; max-width: 62ch; margin-top: var(--sp-2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--sp-1); margin-top: var(--sp-3); }

.btn {
  display: inline-block;
  padding: .75rem 1.4rem;
  background: var(--verde-scuro); color: var(--bianco);
  border: 2px solid var(--verde-scuro); border-radius: var(--raggio);
  font-weight: 600; text-decoration: none;
  transition: background .18s ease, border-color .18s ease;
}
.btn:hover { background: var(--nero); border-color: var(--nero); color: var(--bianco); }
.btn-ghost { background: transparent; color: var(--verde-scuro); }
.btn-ghost:hover { background: var(--verde-chiaro); border-color: var(--verde-scuro); color: var(--verde-scuro); }

/* ---------- Sezioni ---------- */

.section { padding-block: var(--sp-5); }
.section-alt { background: var(--grigio-sfondo); border-block: 1px solid var(--grigio-bordo); }
.section-intro { max-width: 68ch; }
.note {
  margin-top: var(--sp-3);
  padding: var(--sp-2);
  border-left: 3px solid var(--verde);
  background: var(--bianco);
  border-radius: 0 var(--raggio) var(--raggio) 0;
  font-size: .95rem;
}

.cards {
  display: grid; gap: var(--sp-2);
  grid-template-columns: 1fr;
  margin-top: var(--sp-3);
}
/* Due card: si affiancano ma non si allargano oltre il leggibile */
@media (min-width: 620px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 760px; }
}

.card {
  background: var(--bianco);
  border: 1px solid var(--grigio-bordo);
  border-radius: var(--raggio);
  padding: var(--sp-2);
  box-shadow: var(--ombra);
}
.card h3 { margin-bottom: var(--sp-1); }
.card p:last-child { margin-bottom: 0; font-size: .95rem; }
.card-tag {
  display: inline-block;
  font-size: .68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--grigio-testo);
  background: var(--grigio-sfondo);
  border-radius: 999px;
  padding: .2rem .6rem;
  margin-bottom: var(--sp-1);
}
.card-tag-now { color: var(--verde-scuro); background: var(--verde-chiaro); }

.features { list-style: none; padding: 0; margin: var(--sp-2) 0; }
.features li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: var(--sp-1);
}
.features li::before {
  content: ""; position: absolute;
  left: 0; top: .55em;
  width: 10px; height: 10px;
  background: var(--verde); border-radius: 2px;
}

/* ---------- Contatti ---------- */

.section-dark { background: var(--nero); color: #c9d1d4; }
.section-dark h2 { color: var(--bianco); }
.section-dark a { color: #7fd6a4; }
.section-dark a:hover { color: var(--bianco); }
.contact-mail { font-size: clamp(1.2rem, 4vw, 1.6rem); font-weight: 600; margin-block: var(--sp-3) var(--sp-2); }
.contact-address { font-style: normal; line-height: 1.8; }
.contact-address strong { color: var(--bianco); }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--grigio-sfondo);
  border-top: 1px solid var(--grigio-bordo);
  padding-block: var(--sp-3);
  font-size: .88rem;
}
.footer-inner { display: flex; flex-direction: column; gap: var(--sp-2); }
.footer-legal p { margin-bottom: .25rem; }
.footer-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: var(--sp-2);
}
.linklike {
  background: none; border: 0; padding: 0;
  font: inherit; color: var(--verde-scuro);
  text-decoration: underline; text-underline-offset: 2px; cursor: pointer;
}
.linklike:hover { color: var(--nero); }

@media (min-width: 800px) {
  .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ---------- Pagine di testo (privacy / cookie / 404) ---------- */

.page-header { padding-block: var(--sp-4) var(--sp-2); border-bottom: 1px solid var(--grigio-bordo); }
.page-body { padding-block: var(--sp-4); }
.page-body h2 { margin-top: var(--sp-4); }
.page-body h2:first-child { margin-top: 0; }
.page-body h3 { margin-top: var(--sp-3); }
.page-body ul { padding-left: 1.25rem; }
.page-body li { margin-bottom: .4rem; }
.aggiornamento { font-size: .88rem; color: var(--grigio-testo); }

.tabella-cookie { width: 100%; border-collapse: collapse; margin-block: var(--sp-2); font-size: .9rem; }
.tabella-cookie th, .tabella-cookie td {
  border: 1px solid var(--grigio-bordo);
  padding: var(--sp-1); text-align: left; vertical-align: top;
}
.tabella-cookie th { background: var(--grigio-sfondo); color: var(--nero); }
.tabella-scroll { overflow-x: auto; }

/* ---------- Banner cookie ---------- */

.cookie-banner {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 900;
  background: var(--bianco);
  border-top: 2px solid var(--verde);
  box-shadow: 0 -6px 24px rgba(20, 24, 26, .12);
  padding: var(--sp-2);
}
.cookie-banner[hidden] { display: none !important; }
.cookie-banner-inner {
  max-width: var(--max-w); margin-inline: auto;
  display: flex; flex-direction: column; gap: var(--sp-2);
}
.cookie-banner h2 { font-size: 1.1rem; margin-bottom: var(--sp-1); }
.cookie-banner p { font-size: .9rem; margin-bottom: 0; }
.cookie-actions { display: flex; flex-wrap: wrap; gap: var(--sp-1); }
/* Accetta e Rifiuta hanno lo stesso peso visivo: richiesto dalle linee guida del Garante */
.cookie-actions .btn { flex: 1 1 auto; text-align: center; cursor: pointer; font-size: .95rem; }

@media (min-width: 800px) {
  .cookie-banner-inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .cookie-actions .btn { flex: 0 0 auto; }
}