/* =========================================================
   PIETRE DI LUCE — foglio di stile principale
   Palette: pietra chiara, tortora, oro caldo (luce)
   ========================================================= */

:root {
  --pietra-chiara: #f3efe7;
  --pietra-media: #e6ddcd;
  --pietra-scura: #2b2723;
  --tortora: #5b564c;
  --oro: #b8935a;
  --oro-chiaro: #d8b98a;
  --bianco: #fffdf9;
  --ombra: 0 10px 30px rgba(43, 39, 35, 0.12);

  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-corpo: 'Jost', 'Helvetica Neue', Arial, sans-serif;

  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--pietra-chiara);
  color: var(--pietra-scura);
  font-family: var(--font-corpo);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .5em;
  color: var(--pietra-scura);
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 500; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }

p { margin: 0 0 1em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .72rem;
  color: var(--oro);
  margin-bottom: .9em;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: .9em 1.8em;
  border-radius: 2px;
  font-size: .85rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 600;
  transition: all .25s ease;
  border: 1px solid var(--pietra-scura);
  cursor: pointer;
}

.btn-primario {
  background: var(--pietra-scura);
  color: var(--bianco);
}
.btn-primario:hover { background: var(--oro); border-color: var(--oro); }

.btn-outline {
  background: transparent;
  color: var(--pietra-scura);
}
.btn-outline:hover { background: var(--pietra-scura); color: var(--bianco); }

.btn-chiaro {
  border-color: var(--bianco);
  color: var(--bianco);
}
.btn-chiaro:hover { background: var(--bianco); color: var(--pietra-scura); }

/* ---------- HEADER ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243, 239, 231, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(43, 39, 35, 0.08);
}

.site-header .container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: .04em;
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo span {
  font-family: var(--font-corpo);
  font-size: .6rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--oro);
  margin-top: .4em;
}

.nav-principale {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-principale a {
  font-size: .85rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
  padding: .3em 0;
}

.nav-principale a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--oro);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s ease;
}
.nav-principale a:hover::after,
.nav-principale a.attivo::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-principale a.attivo { color: var(--oro); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5em;
}
.menu-toggle span {
  width: 26px;
  height: 2px;
  background: var(--pietra-scura);
  transition: all .25s ease;
}

/* ---------- HERO ---------- */

.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: flex-end;
  color: var(--bianco);
  background: linear-gradient(180deg, rgba(43,39,35,.25), rgba(43,39,35,.75)),
              url('../immagini/logo/copertina.jpg') center/cover no-repeat;
  background-color: var(--tortora);
}

.hero .container {
  padding-bottom: 4.5rem;
  width: 100%;
}

.hero-testo { max-width: 640px; }

.hero h1 {
  color: var(--bianco);
}

.hero p.intro {
  font-size: 1.1rem;
  max-width: 480px;
  opacity: .92;
}

.hero-azioni {
  display: flex;
  gap: 1rem;
  margin-top: 1.6rem;
  flex-wrap: wrap;
}

/* ---------- SEZIONI GENERICHE ---------- */

section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }

.sezione-intro {
  max-width: 640px;
  margin-bottom: 3rem;
}

.sezione-chiara { background: var(--bianco); }
.sezione-scura {
  background: var(--pietra-scura);
  color: var(--pietra-chiara);
}
.sezione-scura h2, .sezione-scura h3 { color: var(--bianco); }
.sezione-scura .eyebrow { color: var(--oro-chiaro); }

/* ---------- GRIGLIA APPARTAMENTI (home) ---------- */

.griglia-app {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.card-app {
  background: var(--bianco);
  box-shadow: var(--ombra);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease;
}
.card-app:hover { transform: translateY(-6px); }

.card-app .thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--pietra-media);
}
.card-app .thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.card-app:hover .thumb img { transform: scale(1.06); }

.card-app .info p {
    color: #444;
}

.card-app .info { padding: 1.4rem 1.5rem 1.7rem; flex: 1; display: flex; flex-direction: column; }
.card-app .info h3 { margin-bottom: .3em; }
.card-app .tag-riga {
  display: flex; gap: .6rem; flex-wrap: wrap;
  font-size: .75rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--tortora); margin-bottom: .8em;
}
.card-app .tag-riga span::after { content: '·'; margin-left: .6rem; color: var(--oro); }
.card-app .tag-riga span:last-child::after { content: ''; }
.card-app .link-scopri {
  margin-top: auto;
  font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 600;
  color: var(--pietra-scura); border-bottom: 1px solid var(--oro); padding-bottom: 2px; align-self: flex-start;
}

/* ---------- CARATTERISTICHE / SERVIZI ---------- */

.griglia-servizi {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.servizio { text-align: left; }
.servizio .numero {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--oro);
  margin-bottom: .2em;
  display: block;
}

/* ---------- PAGINA APPARTAMENTO ---------- */

.scheda-app {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}
.scheda-app .galleria-principale img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  margin-bottom: .8rem;
}
.galleria-thumb {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .6rem;
}
.galleria-thumb img {
  aspect-ratio: 1/1;
  object-fit: cover;
  cursor: pointer;
  opacity: .85;
  transition: opacity .2s;
}
.galleria-thumb img:hover { opacity: 1; }

.lista-dotazioni {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .6rem 1rem;
}
.lista-dotazioni li {
  font-size: .92rem;
  padding-left: 1.3em;
  position: relative;
}
.lista-dotazioni li::before {
  content: '—';
  position: absolute; left: 0; color: var(--oro);
}

.blocco-appartamenti {
  border-top: 1px solid rgba(43,39,35,.1);
  margin-top: 4rem;
  padding-top: 3rem;
}

/* ---------- GALLERIA FOTO/VIDEO ---------- */

.tab-cartelle {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 2.5rem;
}
.tab-cartelle button {
  background: var(--bianco);
  border: 1px solid var(--pietra-media);
  padding: .6em 1.3em;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  cursor: pointer;
  transition: all .2s;
}
.tab-cartelle button.attivo,
.tab-cartelle button:hover {
  background: var(--pietra-scura);
  color: var(--bianco);
  border-color: var(--pietra-scura);
}

.griglia-foto {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .8rem;
}
.griglia-foto figure {
  margin: 0;
  aspect-ratio: 1/1;
  overflow: hidden;
  cursor: pointer;
}
.griglia-foto img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.griglia-foto figure:hover img { transform: scale(1.08); }

.cartella-video { display: none; }
.cartella-video.attiva { display: grid; }
.cartella-foto { display: none; }
.cartella-foto.attiva { display: grid; }

.griglia-video {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.riquadro-video {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--pietra-scura);
  overflow: hidden;
}
.riquadro-video video {
  width: 100%; height: 100%; object-fit: cover;
}

/* lightbox */
.lightbox {
  position: fixed; inset: 0; background: rgba(20,18,16,.94);
  display: none; align-items: center; justify-content: center;
  z-index: 1000; padding: 2rem;
}
.lightbox.aperta { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; object-fit: contain; }
.lightbox-chiudi {
  position: absolute; top: 1.5rem; right: 1.8rem;
  color: var(--bianco); font-size: 2rem; background: none; border: none; cursor: pointer;
  line-height: 1;
}

/* ---------- MAPPA / DINTORNI ---------- */

.blocco-mappa {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  box-shadow: var(--ombra);
}
.blocco-mappa iframe {
  width: 100%; height: 100%; min-height: 380px; border: 0;
}
.blocco-mappa .testo-mappa {
  background: var(--pietra-scura);
  color: var(--pietra-chiara);
  padding: clamp(2rem, 4vw, 3.5rem);
  display: flex; flex-direction: column; justify-content: center;
}
.blocco-mappa .testo-mappa h2 { color: var(--bianco); }
.blocco-mappa .testo-mappa a.btn { margin-top: 1.2rem; align-self: flex-start; }

/* ---------- CONTATTI ---------- */

.griglia-contatti {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}
.riquadro-contatto {
  background: var(--bianco);
  padding: 2.5rem 1.5rem;
  box-shadow: var(--ombra);
}
.riquadro-contatto .icona {
  width: 46px; height: 46px; margin: 0 auto 1rem;
  color: var(--oro);
}
.riquadro-contatto a, .riquadro-contatto p { font-size: 1rem; }
.riquadro-contatto .etichetta {
  text-transform: uppercase; letter-spacing: .08em; font-size: .72rem;
  color: var(--tortora); margin-bottom: .6em; display: block;
}

/* ---------- FOOTER ---------- */

.site-footer {
  background: var(--pietra-scura);
  color: var(--pietra-media);
  padding: 3.5rem 0 2rem;
}
.footer-griglia {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-griglia h4 { color: var(--bianco); font-size: 1rem; margin-bottom: 1em; }
.footer-griglia a, .footer-griglia p { font-size: .9rem; color: var(--pietra-media); }
.footer-griglia ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .6em; }
.footer-social {
  display: flex; gap: .9rem; margin-top: 1rem;
}
.footer-social a {
  width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.25);
  display: flex; align-items: center; justify-content: center; border-radius: 50%;
  transition: all .2s;
}
.footer-social a:hover { background: var(--oro); border-color: var(--oro); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 1.5rem;
  font-size: .78rem;
  color: var(--tortora);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 980px) {
  .griglia-app { grid-template-columns: repeat(2, 1fr); }
  .griglia-servizi { grid-template-columns: repeat(2, 1fr); }
  .scheda-app { grid-template-columns: 1fr; gap: 2rem; }
  .blocco-mappa { grid-template-columns: 1fr; }
  .blocco-mappa iframe { min-height: 320px; }
  .griglia-contatti { grid-template-columns: 1fr; }
  .footer-griglia { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav-principale {
    position: absolute;
    top: calc(100% + 12px);
    right: clamp(1.25rem, 4vw, 2.5rem);
    background: var(--bianco);
    flex-direction: column;
    align-items: stretch;
    min-width: 210px;
    padding: 1.1rem 0;
    gap: 0;
    box-shadow: var(--ombra);
    border-radius: 4px;
    transform-origin: top right;
    transform: scale(.96);
    opacity: 0;
    visibility: hidden;
    transition: transform .2s ease, opacity .2s ease, visibility .2s;
  }
  .nav-principale.aperto {
    transform: scale(1);
    opacity: 1;
    visibility: visible;
  }
  .nav-principale a {
    font-size: 1rem;
    padding: .75em 1.6em;
  }
  .nav-principale a::after { display: none; }
  .nav-principale a.attivo,
  .nav-principale a:hover {
    background: var(--pietra-chiara);
    color: var(--oro);
  }
  .menu-toggle {
    display: flex;
    position: relative;
    z-index: 101;
  }
  .menu-toggle.attivo span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.attivo span:nth-child(2) { opacity: 0; }
  .menu-toggle.attivo span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { min-height: 78vh; }
  .griglia-app { grid-template-columns: 1fr; }
  .griglia-servizi { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .griglia-foto { grid-template-columns: repeat(2, 1fr); }
  .griglia-video { grid-template-columns: 1fr; }
  .footer-griglia { grid-template-columns: 1fr; gap: 1.8rem; }
  .lista-dotazioni { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .site-header .container { height: 70px; }
  .hero-azioni { flex-direction: column; align-items: stretch; }
  .hero-azioni .btn { justify-content: center; }
}