/* ==========================================================================
   TRAMUTOLI ART - FOGLIO DI STILE COMPLETO
   Palette: Dark Graphite (#121214), White (#f5f5f7), Red Accent (#d9383a)
   ========================================================================== */

:root {
  --bg-main: #121214;
  --bg-card: #1c1c20;
  --bg-overlay: rgba(18, 18, 20, 0.98);
  --text-main: #f5f5f7;
  --text-muted: #a1a1a6;
  --accent-red: #d9383a;
  --accent-hover: #b8282a;
  --border-color: #2c2c32;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition-speed: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Header & Logo Strip */
header {
  position: sticky;
  top: 0;
  background: var(--bg-overlay);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.logo-strip {
  background: #f7f7f9;
  border-bottom: 2px solid var(--accent-red);
  padding: 0.8rem 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.brand-logo {
  height: 95px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
  transition: transform var(--transition-speed);
}

.brand-logo:hover {
  transform: scale(1.02);
}

nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 0.85rem 1.5rem;
  background: rgba(18, 18, 20, 0.95);
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: color var(--transition-speed);
}

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

/* Hero */
.hero {
  padding: 4.5rem 1.5rem 3rem;
  text-align: center;
  max-width: 850px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  line-height: 1.7;
}

/* Sezioni */
.section {
  padding: 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.section-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 24px;
  background-color: var(--accent-red);
  border-radius: 2px;
}

.section-desc {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Filtri Categoria Opere (Astratti / Figurativi) */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1.4rem;
  border-radius: 25px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.filter-btn:hover {
  color: var(--text-main);
  border-color: var(--accent-red);
}

.filter-btn.active {
  background: var(--accent-red);
  color: #ffffff;
  border-color: var(--accent-red);
  font-weight: 600;
}

/* Griglia Galleria */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.art-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-speed), border-color var(--transition-speed);
}

.art-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-red);
}

.art-card img {
  width: 100%;
  height: 280px;
  object-fit: contain;
  background-color: #161618;
  display: block;
  padding: 0.5rem;
  cursor: zoom-in;
}

.art-info {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.art-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-red);
  margin-bottom: 0.3rem;
  font-weight: 600;
}

.art-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--text-main);
}

.art-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.art-price,
.art-status {
  display: none;
}

/* Finestra Lightbox (Ingrandimento opera a tutto schermo) */
.lightbox-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(10, 10, 12, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 2px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.9);
}

.lightbox-caption {
  margin-top: 1rem;
  text-align: center;
}

.lightbox-caption h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-main);
}

.lightbox-caption p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.2rem;
}

.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
}

.lightbox-close:hover {
  color: var(--accent-red);
}

/* Poesie & Spazio */
.poetry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.poetry-card {
  background: var(--bg-card);
  border-left: 3px solid var(--accent-red);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 1.8rem;
  border-radius: 0 4px 4px 0;
}

.poetry-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.poetry-card p {
  font-style: italic;
  color: #d1d1d6;
  white-space: pre-line;
  font-size: 0.95rem;
  line-height: 1.8;
}

.bio-box, .space-details {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 2.2rem;
  border-radius: 4px;
}

.bio-box h3 {
  color: var(--text-main);
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.bio-box p + p {
  margin-top: 1rem;
}

.highlight-quote {
  border-left: 3px solid var(--accent-red);
  padding-left: 1.2rem;
  font-style: italic;
  color: #ffffff;
  margin: 1.5rem 0;
}

.sustainability-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(217, 56, 58, 0.12);
  border: 1px solid var(--accent-red);
  color: #ffffff;
  padding: 0.45rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  margin-top: 1.2rem;
}

.space-details p {
  font-size: 1.05rem;
  color: #d1d1d6;
  line-height: 1.8;
}

.btn-contact {
  display: inline-block;
  margin-top: 1.8rem;
  background-color: var(--accent-red);
  color: #ffffff;
  padding: 0.85rem 1.8rem;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
}

.btn-contact:hover {
  background-color: var(--accent-hover);
}

footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer p + p {
  margin-top: 0.5rem;
}

@media (max-width: 768px) {
  .brand-logo {
    height: 65px;
  }
  nav {
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0.75rem 1rem;
  }
  .gallery-grid, .poetry-grid {
    grid-template-columns: 1fr;
  }
}
/* ==========================================================================
   SPAZIO ESPOSITIVO, TIMELINE EVENTI E INSTAGRAM
   ========================================================================== */

/* Griglia foto dello spazio */
.venue-photos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 3rem;
}

.venue-photo-card {
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.venue-photo-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.venue-photo-card p {
  padding: 0.8rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

/* Timeline cronologica eventi */
.timeline {
  position: relative;
  margin: 2.5rem 0;
  padding-left: 2rem;
  border-left: 2px solid var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.45rem;
  top: 0.3rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--accent-red);
  box-shadow: 0 0 0 4px var(--bg-main);
}

.timeline-date {
  font-size: 0.85rem;
  color: var(--accent-red);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.timeline-desc {
  font-size: 0.95rem;
  color: #c5c5cb;
  line-height: 1.6;
}

/* Tasto Instagram */
.btn-instagram {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.8rem 1.6rem;
  border-radius: 4px;
  text-decoration: none;
  font-size: 0.95rem;
  margin-left: 1rem;
  transition: all var(--transition-speed);
}

.btn-instagram:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
}