/* ==========================================================================
   CLAUDIA CUNDARI - ARTE, LUCE, SPATOLATI E COLORI VIBRANTI
   Atelier Luminoso & Solare - Design System HTML5/CSS3
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Palette Atelier: Luminosità, Tele, Ocra, Oro Solare, Blu Oltremare e Corallo */
  --bg-page: #faf8f5;
  --bg-canvas: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-card-hover: #ffffff;
  
  --primary-ultramarine: #004d99;
  --primary-deep: #003366;
  --gold-warm: #d4a017;
  --gold-amber: #e6b800;
  --coral-accent: #e75a40;
  --emerald-accent: #2a9d8f;
  --lavender-accent: #7b4397;

  --text-title: #1a202c;
  --text-body: #374151;
  --text-muted: #6b7280;
  --text-light: #ffffff;

  --border-delicate: rgba(212, 160, 23, 0.25);
  --border-gold: rgba(212, 160, 23, 0.5);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 10px 30px rgba(0, 77, 153, 0.08), 0 4px 12px rgba(212, 160, 23, 0.08);
  --shadow-hover: 0 20px 45px rgba(0, 77, 153, 0.16), 0 8px 24px rgba(212, 160, 23, 0.2);

  --font-display: 'Cinzel', 'Playfair Display', Georgia, serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-page);
  color: var(--text-body);
  font-family: var(--font-sans);
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: 
    radial-gradient(circle at 10% 15%, rgba(212, 160, 23, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 40%, rgba(0, 77, 153, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 30% 80%, rgba(231, 90, 64, 0.05) 0%, transparent 40%),
    #faf8f5;
  background-attachment: fixed;
}

/* ==========================================================================
   PRELOADER CON PERCENTUALE & COLORI VIVI D'ATELIER
   ========================================================================== */
#preloader {
  position: fixed;
  inset: 0;
  background: #ffffff;
  z-index: 999999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-canvas-card {
  text-align: center;
  max-width: 480px;
  padding: 40px 30px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 77, 153, 0.12), 0 0 0 1px rgba(212, 160, 23, 0.2);
}

.brush-stroke-animation {
  width: 110px;
  height: 90px;
  margin: 0 auto 20px;
  position: relative;
  animation: brushPulse 2s ease-in-out infinite;
}

@keyframes brushPulse {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.06) rotate(-3deg); }
}

.loader-artist-title {
  font-family: var(--font-display);
  font-size: 2.3rem;
  letter-spacing: 3px;
  color: var(--primary-ultramarine);
  text-transform: uppercase;
  margin-bottom: 6px;
  font-weight: 700;
}

.loader-sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--gold-warm);
  margin-bottom: 25px;
}

.palette-dots-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 25px;
}

.palette-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  animation: dotBounce 1.4s infinite ease-in-out both;
}
.palette-dot:nth-child(1) { background: #004d99; animation-delay: -0.32s; }
.palette-dot:nth-child(2) { background: #e75a40; animation-delay: -0.16s; }
.palette-dot:nth-child(3) { background: #d4a017; animation-delay: 0s; }
.palette-dot:nth-child(4) { background: #2a9d8f; animation-delay: 0.16s; }
.palette-dot:nth-child(5) { background: #8e44ad; animation-delay: 0.32s; }

@keyframes dotBounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1.15); opacity: 1; }
}

.progress-track {
  width: 100%;
  height: 8px;
  background: #f1f4f9;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.06);
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary-ultramarine), var(--coral-accent), var(--gold-warm));
  border-radius: 10px;
  transition: width 0.15s ease-out;
}

.progress-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
}

.progress-percentage {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-ultramarine);
}

.progress-status {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   NAVBAR LUMINOSA & CRISTALLINA
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 50px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 77, 153, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: var(--transition);
}

.site-nav.scrolled {
  height: 70px;
  box-shadow: 0 6px 25px rgba(0, 77, 153, 0.09);
  background: rgba(255, 255, 255, 0.98);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  cursor: pointer;
}

.brand-monogram {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-ultramarine), #0066cc);
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 77, 153, 0.3);
  transition: var(--transition);
}

.nav-brand:hover .brand-monogram {
  transform: rotate(6deg) scale(1.05);
  box-shadow: 0 6px 18px rgba(0, 77, 153, 0.4);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 2px;
  color: var(--primary-ultramarine);
  text-transform: uppercase;
  font-weight: 700;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--coral-accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  color: var(--text-title);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-weight: 600;
  position: relative;
  padding: 6px 0;
  transition: color 0.25s;
  cursor: pointer;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background: linear-gradient(90deg, var(--primary-ultramarine), var(--coral-accent));
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-ultramarine);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-cta-btn {
  background: linear-gradient(135deg, var(--primary-ultramarine), #0066cc);
  color: #fff;
  padding: 10px 24px;
  border-radius: 30px;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0, 77, 153, 0.25);
  transition: var(--transition);
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0, 77, 153, 0.35);
  background: linear-gradient(135deg, #0055aa, var(--coral-accent));
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--primary-ultramarine);
  font-size: 1.8rem;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION LUMINOSA (Il Tocco Divino & Spatolati)
   ========================================================================== */
.hero-section {
  min-height: 94vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 130px 40px 80px;
  position: relative;
  overflow: hidden;
}

.hero-art-backdrop {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(231, 90, 64, 0.08) 0%, rgba(212, 160, 23, 0.08) 50%, transparent 70%);
  filter: blur(50px);
  z-index: 1;
}

.hero-container {
  max-width: 1280px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 70px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-frame-wrap {
  position: relative;
}

.hero-canvas-frame {
  background: #ffffff;
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: 
    0 25px 60px rgba(0, 77, 153, 0.14),
    0 10px 25px rgba(212, 160, 23, 0.12),
    0 0 0 1px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  position: relative;
}

.hero-canvas-frame:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow: 
    0 35px 80px rgba(0, 77, 153, 0.2),
    0 15px 35px rgba(231, 90, 64, 0.18);
}

.hero-canvas-frame img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  display: block;
}

.hero-frame-badge {
  position: absolute;
  bottom: -15px;
  right: 25px;
  background: #ffffff;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary-ultramarine);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
  border: 1px solid rgba(212, 160, 23, 0.3);
}

.hero-content {
  padding-right: 20px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 77, 153, 0.06);
  border: 1px solid rgba(0, 77, 153, 0.15);
  padding: 6px 16px;
  border-radius: 30px;
  color: var(--primary-ultramarine);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-main-title {
  font-family: var(--font-display);
  font-size: 3.4rem;
  line-height: 1.15;
  color: var(--text-title);
  font-weight: 700;
  margin-bottom: 24px;
}

.hero-main-title span.color-pop {
  background: linear-gradient(135deg, var(--primary-ultramarine), var(--coral-accent), var(--gold-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.poem-canvas-card {
  background: rgba(255, 255, 255, 0.85);
  border-left: 4px solid var(--primary-ultramarine);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 24px 28px;
  margin-bottom: 35px;
  box-shadow: var(--shadow-subtle);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.7;
  color: #2d3748;
  font-style: italic;
  position: relative;
}

.poem-canvas-card::before {
  content: '“';
  position: absolute;
  top: -10px;
  left: 12px;
  font-size: 4rem;
  color: rgba(0, 77, 153, 0.1);
  font-family: var(--font-display);
  line-height: 1;
}

.poem-author {
  margin-top: 14px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--primary-ultramarine);
  font-style: normal;
  text-transform: uppercase;
}

.hero-btn-row {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.btn-solar {
  background: linear-gradient(135deg, var(--primary-ultramarine) 0%, #005cb8 100%);
  color: #fff;
  padding: 16px 36px;
  border-radius: 35px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 25px rgba(0, 77, 153, 0.3);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-solar:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 35px rgba(0, 77, 153, 0.4);
  background: linear-gradient(135deg, #003d7a 0%, var(--coral-accent) 100%);
}

.btn-outline-solar {
  background: #ffffff;
  color: var(--primary-ultramarine);
  border: 2px solid var(--primary-ultramarine);
  padding: 14px 32px;
  border-radius: 35px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition);
}

.btn-outline-solar:hover {
  background: rgba(0, 77, 153, 0.05);
  transform: translateY(-3px);
  border-color: var(--coral-accent);
  color: var(--coral-accent);
}

/* ==========================================================================
   HUB DELLE COLLEZIONI (MasterMenu a Colori Vivaci)
   ========================================================================== */
.collections-section {
  padding: 100px 40px 60px;
  max-width: 1440px;
  margin: 0 auto;
}

.section-head-center {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 60px;
}

.section-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--coral-accent);
  margin-bottom: 12px;
}

.section-title-large {
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: var(--text-title);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-lead-text {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.collections-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 32px;
}

.collection-box {
  background: var(--bg-card);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
}

.collection-box:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(212, 160, 23, 0.4);
}

.collection-box-img-wrap {
  width: 100%;
  height: 240px;
  position: relative;
  overflow: hidden;
  background: #f0f2f5;
}

.collection-box-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.collection-box:hover .collection-box-img {
  transform: scale(1.08);
}

.collection-badge-count {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary-ultramarine);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.collection-box-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.collection-box-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--primary-ultramarine);
  font-weight: 700;
  margin-bottom: 8px;
  transition: color 0.3s;
}

.collection-box:hover .collection-box-title {
  color: var(--coral-accent);
}

.collection-box-desc {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.collection-box-link {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary-ultramarine);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s;
}

.collection-box:hover .collection-box-link {
  gap: 14px;
  color: var(--coral-accent);
}

/* ==========================================================================
   GALLERIA ATTIVA & FILTRI
   ========================================================================== */
.gallery-section-wrap {
  padding: 90px 40px;
  max-width: 1500px;
  margin: 0 auto;
}

.gallery-pills-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 50px;
}

.gallery-pill {
  background: #ffffff;
  border: 1px solid rgba(0, 77, 153, 0.15);
  color: var(--text-body);
  padding: 10px 22px;
  border-radius: 30px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition);
}

.gallery-pill:hover {
  border-color: var(--primary-ultramarine);
  color: var(--primary-ultramarine);
  transform: translateY(-2px);
}

.gallery-pill.active {
  background: var(--primary-ultramarine);
  border-color: var(--primary-ultramarine);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(0, 77, 153, 0.3);
}

.artworks-deck-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 34px;
}

.artwork-canvas-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.artwork-canvas-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.artwork-photo-stage {
  width: 100%;
  height: 350px;
  background: #f7f9fc;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-in;
  padding: 12px;
}

.artwork-photo-stage img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.4s ease;
}

.artwork-canvas-card:hover .artwork-photo-stage img {
  transform: scale(1.04);
}

.artwork-lens-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  color: var(--primary-ultramarine);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  opacity: 0;
  transition: opacity 0.3s;
}

.artwork-canvas-card:hover .artwork-lens-btn {
  opacity: 1;
}

.artwork-detail-info {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  background: #ffffff;
}

.artwork-category-kicker {
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--coral-accent);
  font-weight: 700;
  margin-bottom: 6px;
}

.artwork-name {
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--text-title);
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}

.artwork-specs {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.artwork-card-actions {
  margin-top: auto;
  border-top: 1px solid #f0f2f5;
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.artwork-zoom-trigger {
  background: transparent;
  border: none;
  color: var(--primary-ultramarine);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}

.artwork-zoom-trigger:hover {
  color: var(--coral-accent);
}

/* ==========================================================================
   BIOGRAFIA, MOSTRE & CRITICA
   ========================================================================== */
.atelier-paper-section {
  padding: 90px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.canvas-white-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 55px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.06);
}

.portrait-frame-right {
  float: right;
  max-width: 320px;
  margin: 0 0 30px 35px;
  border-radius: var(--radius-md);
  padding: 10px;
  background: #ffffff;
  box-shadow: 0 15px 35px rgba(0, 77, 153, 0.12);
  border: 1px solid rgba(0, 77, 153, 0.1);
}

.portrait-frame-right img {
  width: 100%;
  border-radius: var(--radius-sm);
  display: block;
}

.story-prose {
  font-size: 1.15rem;
  line-height: 1.95;
  color: #2d3748;
}

.story-prose p {
  margin-bottom: 24px;
}

.timeline-solar-list {
  list-style: none;
  margin-top: 30px;
}

.timeline-solar-item {
  position: relative;
  padding-left: 35px;
  margin-bottom: 26px;
  border-left: 3px solid var(--primary-ultramarine);
}

.timeline-solar-item::before {
  content: '';
  position: absolute;
  left: -8.5px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--coral-accent);
  box-shadow: 0 0 0 4px rgba(231, 90, 64, 0.2);
}

.timeline-year-tag {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-ultramarine);
}

.timeline-text-body {
  color: var(--text-body);
  font-size: 1rem;
  margin-top: 4px;
}

/* ==========================================================================
   LIGHTBOX MODALE A TUTTO SCHERMO
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 25, 0.95);
  backdrop-filter: blur(20px);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  padding: 30px;
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-dialog-window {
  max-width: 1240px;
  width: 100%;
  max-height: 92vh;
  display: flex;
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 35px 90px rgba(0,0,0,0.5);
  position: relative;
}

.lightbox-left-stage {
  flex: 1.5;
  background: #f4f6fa;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  min-width: 420px;
}

.lightbox-left-stage img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  border-radius: var(--radius-sm);
}

.lightbox-right-specs {
  flex: 1;
  padding: 50px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
  background: #ffffff;
}

.lightbox-dismiss-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: #f1f4f9;
  border: none;
  color: var(--text-title);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-dismiss-btn:hover {
  background: var(--coral-accent);
  color: #fff;
  transform: rotate(90deg);
}

.lightbox-cat-badge {
  display: inline-block;
  background: rgba(0, 77, 153, 0.08);
  color: var(--primary-ultramarine);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.lightbox-art-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--text-title);
  font-weight: 700;
  margin-bottom: 10px;
}

.lightbox-art-tech {
  font-size: 1.15rem;
  color: var(--coral-accent);
  font-weight: 600;
  margin-bottom: 24px;
}

/* ==========================================================================
   FOOTER SOLARE & PANNELLO CREDITI
   ========================================================================== */
footer {
  background: #ffffff;
  border-top: 1px solid rgba(0, 77, 153, 0.1);
  padding: 80px 40px 40px;
  margin-top: 100px;
  box-shadow: 0 -10px 40px rgba(0,0,0,0.02);
}

.footer-inner-grid {
  max-width: 1350px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
}

.footer-brand-title {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--primary-ultramarine);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1.5px;
}

.footer-brand-p {
  color: var(--text-body);
  line-height: 1.8;
  max-width: 520px;
  font-size: 0.98rem;
}

.footer-geo-pin {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  color: var(--primary-ultramarine);
  font-size: 0.9rem;
  font-weight: 700;
}

.footer-nav-col h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-title);
  margin-bottom: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.footer-nav-ul {
  list-style: none;
}

.footer-nav-ul li {
  margin-bottom: 12px;
}

.footer-nav-ul a {
  color: var(--text-body);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.25s;
}

.footer-nav-ul a:hover {
  color: var(--primary-ultramarine);
}

.credits-legal-bar {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(0,0,0,0.06);
  padding-top: 35px;
  margin-top: 35px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.credits-gold {
  color: var(--primary-ultramarine);
  font-weight: 700;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content {
    padding-right: 0;
  }
  .hero-btn-row {
    justify-content: center;
  }
  .lightbox-dialog-window {
    flex-direction: column;
    max-height: 95vh;
  }
  .lightbox-left-stage {
    min-width: unset;
    height: 48vh;
  }
}

@media (max-width: 768px) {
  .site-nav {
    padding: 0 20px;
  }
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-main-title {
    font-size: 2.4rem;
  }
  .footer-inner-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .canvas-white-box {
    padding: 28px;
  }
  .portrait-frame-right {
    float: none;
    max-width: 100%;
    margin: 0 0 24px 0;
  }
}

/* Logo Immagine Personalizzato */
.site-logo-img {
  height: 52px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.nav-brand:hover .site-logo-img {
  transform: scale(1.05);
}