:root {
  --bg: #f5f3ef;
  --surface: #ffffff;
  --text: #1f1f1f;
  --muted: #6d6d6d;
  --accent: #b8860b;
  --accent-dark: #8c6a0b;
  --border: #e2ddd5;
}

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

html{
  font-size: 16px;
}

body {
  font-family: "Montserrat", sans-serif;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  font-size: 1.125rem;
}

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

a:hover {
  color: var(--accent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 243, 239, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
  padding: 18px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 54px;
  height: auto;
}

.brand-name {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.6rem, 2vw, 2.1rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  position: relative;
  width: 100%;
  max-width: 960px;
  display: flex;
  justify-content: center;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.site-nav a {
  position: relative;
  padding-bottom: 6px;
  transition: color 0.3s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0.5);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a:active::after {
  transform: scaleX(1);
  opacity: 1;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 50%;
  cursor: pointer;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

main {
  padding: 0 24px 64px;
}

section {
  padding: 80px 0;
  scroll-margin-top: 118.875px;
}

.section,
.hero {
  display: flex;
  justify-content: center;
}

.section-inner,
.hero-inner {
  width: min(1100px, 100%);
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.hero {
  background: linear-gradient(120deg, #f9f8f5 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border);
  border-radius: 28px;
  margin-bottom: 48px;
}

.hero-copy h1 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  margin-bottom: 16px;
  text-align: center;
}

.hero-copy p {
  color: var(--muted);
  max-width: 60ch;
  margin: 0 auto;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.photo-grid figure {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.photo-grid img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quote-box {
  align-self: center;
  text-align: center;
  max-width: 620px;
  padding: 28px 36px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  font-family: "Playfair Display", serif;
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--muted);
}

.quote-box cite {
  display: block;
  margin-top: 12px;
  font-family: "Montserrat", sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}

.section {
  background: var(--surface);
  border-radius: 28px;
  margin: 0 auto 48px;
  padding: 72px 48px;
  box-shadow: 0 24px 40px -32px rgba(0, 0, 0, 0.25);
}

.section-alt {
  background: linear-gradient(135deg, #f9f8f5 0%, #ffffff 100%);
}

.section h2 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 3vw, 2.6rem);
  letter-spacing: 0.04em;
}

.section p {
  color: var(--muted);
  max-width: 70ch;
}

.values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.values h3 {
  font-family: "Playfair Display", serif;
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.book-focus {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.book-focus article {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.book-focus h3 {
  font-family: "Playfair Display", serif;
  font-size: 1.3rem;
}

.note {
  font-size: 0.95rem;
  color: var(--text);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.event-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.event-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.event-card h3 {
  font-family: "Playfair Display", serif;
  font-size: 1.2rem;
}

.contatti {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  align-items: start;
}

.contact-info p + p {
  margin-top: 12px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form label {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fbfaf8;
  font: inherit;
  color: var(--text);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  align-self: flex-start;
  padding: 12px 28px;
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

.contact-form button:hover,
.contact-form button:focus {
  background: var(--accent-dark);
}

.site-footer {
  text-align: center;
  padding: 48px 24px;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .site-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .site-nav {
    justify-content: flex-end;
    width: auto;
  }

  .hamburger {
    display: flex;
    position: static;
  }

  .site-nav ul {
    position: absolute;
    top: 36px;
    right: 0;
    flex-direction: column;
    gap: 16px;
    padding: 20px 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 18px 40px -32px rgba(0, 0, 0, 0.5);
    display: none;
  }

  .site-nav ul.show {
    display: flex;
  }
}

.contact-map {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  margin-top: 18px;
}

@media (max-width: 640px) {
  body {
    line-height: 1.6;
  }

  main {
    padding: 0 16px 56px;
  }

  section {
    padding: 64px 0;
  }

  .section {
    padding: 56px 28px;
    border-radius: 24px;
  }

  .photo-grid {
    grid-template-columns: 1fr;
  }

  .quote-box {
    padding: 24px;
    font-size: 1.05rem;
  }
}

/* === Catalogo Libri === */

.catalogo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.libro {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 12px 28px -20px rgba(0, 0, 0, 0.25);
  display: flex;
  gap: 18px;
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.libro:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px -24px rgba(0, 0, 0, 0.3);
}

.libro img {
  width: 110px;
  height: 160px;
  border-radius: 12px;
  border: 1px solid var(--border);
  object-fit: cover;
}

.libro .info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.libro h3 {
  font-family: "Playfair Display", serif;
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.libro p {
  font-size: 0.95rem;
  color: var(--muted);
}

/* Form acquisto */
.libro form {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.libro label {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text);
}

.libro input[type="number"] {
  width: 70px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fbfaf8;
  font: inherit;
  color: var(--text);
}

.libro button {
  align-self: flex-start;
  padding: 10px 22px;
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

.libro button:hover,
.libro button:focus {
  background: var(--accent-dark);
}

.paypal-buttons {
  display: flex;
  flex-wrap: wrap;   /* manda a capo se non ci sta tutto */
  gap: 20px;         /* spazio tra i pulsanti */
  justify-content: center; /* allineamento orizzontale */
  align-items: center;     /* allineamento verticale */
}

.paypal-buttons > div {
  min-width: 300px;
}