/* ==========================================================================
   AL Service – stile del sito
   Colori e font in :root: cambiandoli qui si aggiorna tutto il sito.
   ========================================================================== */

@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(assets/fonts/montserrat.woff2) format("woff2");
}
@font-face {
  font-family: "Montserrat";
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
  src: url(assets/fonts/montserrat-italic.woff2) format("woff2");
}

:root {
  --red: #ed2323;
  --dark: #0e0e0e;
  --black: #000;
  --white: #fff;
  --grey: #dbdbdb;
  --grey-text: #9f9f9f;
  --font: "Montserrat", system-ui, sans-serif;
  --container: 1440px;
  --header-h: 100px;
}

/* --- base ----------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body { margin: 0; font: 400 16px/1.5 var(--font); color: var(--dark); background: var(--white); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--red); text-decoration: none; }
h1, h2, h3 { margin: 0; line-height: 1.2; font-weight: 600; }
p { margin: 0 0 .9rem; }
p:last-child { margin-bottom: 0; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 10px; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 10px; top: 10px; z-index: 100; padding: 8px 12px; background: var(--white); }
.icon { width: 14px; height: 14px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 2; }
.icon--fill { fill: currentColor; stroke: none; }

/* titoletto rosso sopra i titoli ("Chi siamo", "Contattaci") */
.eyebrow { margin: 0 0 10px; font-size: 18px; font-weight: 600; text-transform: uppercase; color: var(--red); }

/* linea rossa doppia sotto i titoli */
.line { width: 10%; margin: 10px 0; border: 0; border-top: 3px double var(--red); }

/* --- barra superiore e header -------------------------------------------- */

/* sfondo a tutta larghezza, contatti dentro la larghezza del contenuto (come header e sezioni) */
.topbar { display: flex; justify-content: space-between; gap: 10px; padding: 10px max(10px, calc((100% - var(--container)) / 2 + 10px)); background: var(--black); }
.topbar a { display: inline-flex; align-items: center; gap: 5px; color: var(--white); }

.site-header { position: sticky; top: 0; z-index: 50; background: var(--white); }
.navbar { display: flex; align-items: center; justify-content: space-around; gap: 10px; min-height: var(--header-h); padding: 10px; }
.logo { width: 15%; min-width: 150px; }

.menu { display: flex; margin: 0; padding: 0; list-style: none; }
.menu a { display: block; padding: 13px 20px; font-weight: 600; text-transform: uppercase; color: var(--dark); }
.menu a:hover { color: var(--red); }

.menu-toggle { display: none; padding: 8px; border: 0; background: none; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--dark); transition: transform .2s, opacity .2s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- hero ----------------------------------------------------------------- */

.hero { position: relative; display: flex; align-items: center; min-height: 500px; overflow: hidden; color: var(--white); }
.hero::after { content: ""; position: absolute; inset: 0; background: var(--black); opacity: .33; }
.hero__slides, .hero__slides div { position: absolute; inset: 0; }
.hero__slides div { background: center / cover; opacity: 0; animation: hero 15s linear infinite; }
.hero__slides div:nth-child(1) { opacity: 1; }
.hero__slides div:nth-child(2) { animation-delay: 5s; }
.hero__slides div:nth-child(3) { animation-delay: 10s; }
.hero__content { position: relative; z-index: 1; padding-top: 10px; padding-bottom: 10px; }
.hero h1 { font-size: 65px; font-weight: 800; font-style: italic; line-height: 1; text-transform: uppercase; }
.hero p { font-size: 20px; font-weight: 500; }

/* ogni foto: dissolvenza in entrata, resta visibile 5 s con un leggero zoom, dissolvenza in uscita */
@keyframes hero {
  0%     { opacity: 0; transform: scale(1); }
  3.33%  { opacity: 1; }
  33.33% { opacity: 1; }
  36.66% { opacity: 0; transform: scale(1.3); }
  100%   { opacity: 0; transform: scale(1.3); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__slides div { animation: none; }
}

/* --- chi siamo ------------------------------------------------------------ */

.about { display: flex; align-items: center; gap: 10px; min-height: 400px; padding-top: 50px; padding-bottom: 50px; }
.about__text { flex: 1 1 57%; }
.about__text h2 { margin-bottom: 20px; font-size: 25px; color: var(--black); }
.about__img { flex: 0 1 38%; width: 38%; margin: 0 auto; border-radius: 10px; }

/* --- galleria ------------------------------------------------------------- */

.gallery { display: grid; grid-template-columns: repeat(4, 1fr); max-width: var(--container); margin: 30px auto 0; padding: 10px; }
.gallery img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.gallery a { display: block; overflow: hidden; }
.gallery a:hover img { transform: scale(1.04); transition: transform .3s; }

/* ingrandimento (creato da script.js) */
.lightbox { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; background: rgba(0, 0, 0, .9); }
.lightbox img { max-width: 92vw; max-height: 88vh; width: auto; }
.lightbox button { position: absolute; padding: 10px 16px; border: 0; background: none; color: var(--white); font-size: 40px; line-height: 1; cursor: pointer; }
.lightbox .close { top: 10px; right: 10px; }
.lightbox .prev { left: 10px; }
.lightbox .next { right: 10px; }

/* --- servizi -------------------------------------------------------------- */

.services { margin-top: 50px; }
.banner { position: relative; padding: 30px 10px; background: var(--red); color: var(--white); font-size: 25px; text-align: center; text-transform: uppercase; }
.banner::before { content: ""; position: absolute; inset: 0; background: url(assets/img/sfondo.webp) center / cover; opacity: .12; }

.services__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding-top: 50px; padding-bottom: 50px; }
.service { padding: 10px; text-align: center; }
.service img { width: 30%; margin: 0 auto 15px; }
.service h3 { margin-bottom: 10px; font-size: 20px; color: var(--red); }

/* --- contatti ------------------------------------------------------------- */

.contact { position: relative; padding: 80px 0; border-top: 1px solid var(--red); }
.contact::before { content: ""; position: absolute; inset: 0; background: url(assets/img/sfondo.webp) center / cover no-repeat; opacity: .09; }
.contact__inner { position: relative; display: flex; gap: 20px; min-height: 400px; }
.contact__text { flex: 1 1 50%; padding: 10px; }
.contact__text h2 { margin-bottom: 20px; font-size: 25px; color: var(--black); }

.form { flex: 0 0 50%; display: flex; flex-direction: column; gap: 10px; padding: 10px; }
.form input:not([type="checkbox"]), .form textarea {
  width: 100%; padding: 8px 5px; border: 0; border-bottom: 1px solid var(--grey); border-radius: 0;
  background: transparent; font: inherit; font-size: 15px; color: var(--dark);
}
.form ::placeholder { color: var(--grey-text); }
.form input:focus, .form textarea:focus { outline: none; border-bottom-color: var(--red); }
.form__privacy { display: flex; align-items: center; gap: 8px; color: var(--grey-text); font-size: 15px; }
.form__privacy input { accent-color: var(--red); }
.form button {
  width: 100%; padding: 12px 24px; border: 0; border-radius: 3px; background: var(--red);
  color: var(--white); font: 700 15px var(--font); text-transform: uppercase; cursor: pointer;
}
.form button:hover { filter: brightness(.92); }

/* --- footer --------------------------------------------------------------- */

.site-footer { padding: 50px 0; background: var(--dark); color: var(--white); }
.footer__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.footer__grid > div { padding: 10px; }
.site-footer h2 { font-size: 20px; }
.site-footer h2::after { content: ""; display: block; width: 20%; margin: 10px 0 20px; border-top: 3px double var(--red); }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { padding: 3px 0; }
.site-footer a { color: var(--white); }
.site-footer a:hover { color: var(--red); }

/* --- WhatsApp ------------------------------------------------------------- */

.whatsapp { position: fixed; left: 15px; bottom: 15px; z-index: 60; display: flex; padding: 12px; border-radius: 50%; background: #25d366; color: var(--white); box-shadow: 0 4px 12px rgba(0, 0, 0, .2); }
.whatsapp .icon { width: 28px; height: 28px; fill: currentColor; stroke: none; }

/* --- pagine di testo (privacy) -------------------------------------------- */

.page { max-width: 820px; margin: 0 auto; padding: 40px 20px 100px; }
.page h1 { margin-bottom: 1.5rem; font-size: 2.2rem; }
.page h2 { margin: 2rem 0 1rem; font-size: 1.4rem; }
.page li { margin-bottom: .35rem; }
.page h3 { margin: 1.2rem 0 .5rem; font-size: 1.1rem; }
.page .updated { margin-top: 2rem; color: var(--grey-text); font-size: .9em; }
.page--404 { padding: 100px 20px; text-align: center; }
.button { display: inline-block; padding: 12px 24px; border-radius: 3px; background: var(--red); color: var(--white); font-weight: 700; text-transform: uppercase; }
.button:hover { filter: brightness(.92); }

/* --- tablet --------------------------------------------------------------- */

@media (max-width: 1024px) {
  .topbar { display: none; }
  .navbar { justify-content: space-between; position: relative; }
  .menu-toggle { display: block; }
  .menu {
    display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column;
    background: var(--white); box-shadow: 0 10px 20px rgba(0, 0, 0, .08);
  }
  .menu.open { display: flex; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- mobile --------------------------------------------------------------- */

@media (max-width: 767px) {
  :root { --header-h: 80px; }
  .logo { width: 50%; }
  .hero { min-height: 270px; }
  .hero h1 { font-size: 30px; }
  .hero p { font-size: 17px; line-height: 1.3; }
  .line { width: 26%; }
  .about { flex-direction: column; padding-top: 20px; padding-bottom: 0; }
  .about__img { order: -1; width: 76%; }
  .services__grid { grid-template-columns: 1fr; }
  .contact { padding: 20px 0; }
  .contact__inner { flex-direction: column; }
  .footer__grid { grid-template-columns: 1fr; text-align: center; }
  .site-footer h2::after { width: 26%; margin-left: auto; margin-right: auto; }
}