:root{
  --bg: #fbfbf8;
  --bg2:#f3f3ee;
  --text:#1f1f1f;
  --muted:#6a6a6a;
  --card:#ffffff;
  --border: rgba(0,0,0,.08);
  --shadow: 0 18px 40px rgba(0,0,0,.08);
  --accent:#1f1f1f;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }

body{
  font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height:1.6;
}

h1,h2,h3,h4{
  font-family:"Playfair Display", Georgia, serif;
  line-height:1.15;
  margin:0 0 .6rem 0;
}

.container{
  width:min(1100px, 92%);
  margin:0 auto;
}

/* ===== HEADER ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:10;
  background:rgba(251,251,248,.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom:1px solid var(--border);
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1.1rem 0;
}

.brand h1{
  font-size: clamp(2rem, 3vw, 3.2rem);
  letter-spacing:.2px;
}

.tagline{
  margin:.2rem 0 0 0;
  color:var(--muted);
  font-weight:400;
}

.nav{
  display:flex;
  align-items:center;
  gap:.9rem;
  flex-wrap:wrap;
  justify-content:flex-end;
}

.nav a{
  color:var(--text);
  text-decoration:none;
  font-weight:500;
  opacity:.9;
}

.nav a:hover{ opacity:1; }

/* ===== BUTTONS ===== */
.btn{
  display:inline-block;
  padding:.7rem 1rem;
  border:1px solid var(--text);
  border-radius:999px;
  text-decoration:none;
  color: var(--bg);
  background:var(--text);
  font-weight:600;
  transition: transform .08s ease;
}

.btn:hover{ transform: translateY(-1px); }

.btn.ghost{
  background:transparent;
  color:var(--text);
}

/* ===== SECTIONS ===== */
.section{ padding: 4rem 0; }

.section.alt{
  background: var(--bg2);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}

.grid-2{
  display:grid;
  grid-template-columns: 1.3fr .7fr;
  gap:2rem;
}

@media (max-width: 900px){
  .grid-2{ grid-template-columns: 1fr; }
  .nav{ justify-content:flex-start; }
}

/* ===== CARD ===== */
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  padding:1.2rem 1.2rem;
  box-shadow: var(--shadow);
}

.bullets{
  margin:.8rem 0 0 0;
  padding-left: 1.1rem;
  color:var(--muted);
}

.bullets li{ margin:.35rem 0; }

/* ===== HERO (patinata con testo sopra, leggibile) ===== */
.hero{
  position:relative;
  min-height: 62vh;
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--border);
  overflow:hidden;
}

.hero-bg{
  position:absolute;
  inset:0;
  background-image: url("assets/hero.jpg");
  background-size: cover;
  background-position:center;
  filter: grayscale(100%);
  opacity:.25;
}

/* overlay "versione A": più editoriale e leggibile */
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.55),
    rgba(0,0,0,0.35)
  );
  opacity: .55;
}

.hero-content{
  position:relative;
  padding: 3.2rem 0;
}

/* testi hero */
.kicker{
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:.85rem;
  color: rgba(255,255,255,.78);
  margin:0 0 .6rem 0;
}

.hero h2{
  font-size: clamp(2.2rem, 3.4vw, 3.6rem);
  max-width: 18ch;
  color:#fff;
  text-shadow: 0 8px 30px rgba(0,0,0,0.35);
}

.lead{
  max-width: 60ch;
  color: rgba(255,255,255,.86);
  font-size: 1.05rem;
  text-shadow: 0 8px 30px rgba(0,0,0,0.28);
}

.hero-actions{
  display:flex;
  gap:.8rem;
  margin-top: 1.2rem;
  flex-wrap:wrap;
}

/* in hero, il bottone ghost deve essere bianco */
.hero .btn.ghost{
  border-color: rgba(255,255,255,.9);
  color:#fff;
}

/* ===== SWITCH LINGUA (IT) ===== */
.lang-switch{
  position: fixed;
  top: 18px;
  right: 18px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  gap: 8px;
  align-items: center;
  z-index: 9999;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.lang-link{
  text-decoration: none;
  color: #111;
  opacity: 0.85;
}

.lang-link:hover{
  opacity: 1;
  text-decoration: underline;
}

.lang-sep{
  opacity: 0.45;
  color:#111;
}

/* ===== BOOKS ===== */
.section-intro{
  margin-top:-.3rem;
  color:var(--muted);
}

.books{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:1.2rem;
  margin-top:1.2rem;
}

@media (max-width: 900px){
  .books{ grid-template-columns: 1fr; }
}

.book{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  box-shadow: var(--shadow);
  display:grid;
  grid-template-columns: 180px 1fr;
}

@media (max-width: 520px){
  .book{ grid-template-columns: 1fr; }
}

.book-cover{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.book-body{
  padding:1.2rem 1.2rem;
}

.meta{
  margin:.15rem 0 0 0;
  color:var(--muted);
  font-weight:500;
}

.book-actions{ margin-top: .9rem; }

/* ===== GALLERY ===== */
.gallery{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .8rem;
  margin-top: 1.2rem;
}

@media (max-width: 900px){
  .gallery{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px){
  .gallery{ grid-template-columns: 1fr; }
}

.gallery img{
  width:100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 14px;
  border:1px solid var(--border);
  box-shadow: 0 10px 28px rgba(0,0,0,.06);
}

/* ===== CONTACT ===== */
.contact{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 1.4rem;
}

@media (max-width: 900px){
  .contact{ grid-template-columns: 1fr; }
}

.contact-line a{
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  text-decoration:none;
  border-bottom: 1px solid rgba(0,0,0,.2);
}

.contact-line a:hover{
  border-bottom-color: rgba(0,0,0,.55);
}

.small{
  color: var(--muted);
  font-size: .95rem;
}

/* ===== FOOTER ===== */
.site-footer{ padding: 2rem 0; }

.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:1rem;
  border-top:1px solid var(--border);
  padding-top:1.2rem;
}
/* FIX: copertine libri non giganti */
.book{
  grid-template-columns: 180px 1fr;
}

.book-cover{
  width: 180px;
  height: 260px;
  object-fit: cover;
}

@media (max-width: 520px){
  .book-cover{
    width: 100%;
    height: 320px;
  }
}