/* Styles for Borghi Interactive Hub */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;1,400&display=swap');

:root {
  --primary: #1e3a8a;
  --primary-light: #3b82f6;
  --primary-dark: #0f172a;
  --accent: #d97706;
  --accent-light: #f59e0b;
  --bg-main: #f8fafc;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #475569;
  --quote-bg: #f1f5f9;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.03);
  --shadow-md: 0 8px 20px -4px rgba(0,0,0,0.06);
  --shadow-lg: 0 15px 30px -10px rgba(30, 58, 138, 0.1);
  --radius-lg: 16px;
  --radius-md: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-main: #0f172a;
  --card-bg: #1e293b;
  --card-border: #334155;
  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --quote-bg: #1e1b4b;
  --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.4);
}

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

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.65;
  min-height: 100vh;
  padding-bottom: 60px;
}

/* Top Nav Bar */
.top-nav-bar {
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.back-home-link {
  color: #fbbf24;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.back-home-link:hover {
  color: #ffffff;
  transform: translateX(-3px);
}

/* Hero Banner - Smooth Gradient Fade to Body Background */
.hero-header {
  background: linear-gradient(180deg, #0f172a 0%, #1e3a8a 50%, var(--bg-main) 100%);
  color: #ffffff;
  padding: 55px 20px 30px;
  text-align: center;
  position: relative;
}

.hero-container {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.badge-author {
  display: inline-block;
  background: rgba(217, 119, 6, 0.25);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fbbf24;
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: 3.4rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.1;
  letter-spacing: 1px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: #e2e8f0;
  font-weight: 300;
  max-width: 780px;
  margin: 0 auto 24px;
}

/* Control Bar & Nav Tabs - Distinct Colored Borders for Clickable Feel */
.controls-bar {
  max-width: 1100px;
  margin: 0 auto 35px;
  padding: 0 20px;
}

.controls-inner {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  padding: 14px 18px;
  border-radius: 50px;
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: center;
  align-items: center;
}

[data-theme="dark"] .controls-inner {
  background: rgba(30, 41, 59, 0.85);
  border-color: rgba(51, 65, 85, 0.9);
}

.nav-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  width: 100%;
}

/* Distinct light colored borders per button for clear clickability */
.tab-btn {
  padding: 11px 22px;
  border-radius: 30px;
  background: var(--card-bg);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

/* Color 1: Blue border for Tab 1 */
#tab-tesi {
  border: 2px solid #3b82f6;
}
#tab-tesi:hover, #tab-tesi.active {
  background: #3b82f6;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

/* Color 2: Terracotta border for Tab 2 */
#tab-manifesto {
  border: 2px solid #e05a47;
}
#tab-manifesto:hover, #tab-manifesto.active {
  background: #e05a47;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(224, 90, 71, 0.35);
}

/* Color 3: Mustard Gold border for Tab 3 */
#tab-officina {
  border: 2px solid #d97706;
}
#tab-officina:hover, #tab-officina.active {
  background: #d97706;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}

/* Color 4: Emerald border for Tab 4 (Circolo vizioso dei borghi) */
#tab-circolo {
  border: 2px solid #10b981;
}
#tab-circolo:hover, #tab-circolo.active {
  background: #10b981;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
}

.theme-toggle-btn:hover {
  background: rgba(255,255,255,0.25);
}

/* Main Container */
.main-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-pane {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.section-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Section Header */
.section-intro {
  margin-bottom: 28px;
  border-bottom: 2px solid var(--card-border);
  padding-bottom: 16px;
}

.section-intro h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2.1rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.section-intro p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(59, 130, 246, 0.3);
}

.card-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.45rem;
  color: var(--text-main);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-number {
  background: var(--primary);
  color: #ffffff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  flex-shrink: 0;
}

/* Quotes Styling */
blockquote.quote-box {
  background: var(--quote-bg);
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  margin: 14px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--text-main);
}

blockquote.quote-box p {
  margin: 0;
  font-size: 1.02rem;
}

/* Interactive Slide Presentation Player - Compact Sizing */
.slide-player-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-md);
  margin-top: 16px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.slide-display-container {
  position: relative;
  width: 100%;
  background: #0f172a;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 480px;
}

.slide-img-element {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: contain;
  display: block;
  transition: opacity 0.3s ease;
}

.slide-player-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--card-border);
}

.player-btn-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.player-btn {
  background: var(--quote-bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.player-btn:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.player-btn.play-btn {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent-light);
}

.player-btn.play-btn:hover {
  background: var(--accent-light);
}

.slide-counter-badge {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Articles Cards Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 16px;
}

.article-card-item {
  background: var(--quote-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.article-card-item:hover {
  border-color: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.article-card-item h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.3;
}

.article-card-item p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.article-btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.article-btn-link:hover {
  color: var(--accent-light);
  transform: translateX(3px);
}

/* Manifesto Points List */
.manifesto-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.manifesto-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.manifesto-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.manifesto-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.manifesto-num-badge {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: #ffffff;
  font-weight: 700;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 3px 8px rgba(217, 119, 6, 0.3);
}

.manifesto-body p {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 12px;
}

.author-note {
  background: var(--quote-bg);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.92rem;
  color: var(--text-muted);
  border-left: 3px solid var(--primary-light);
  margin-top: 10px;
}

/* External Sites Promotion Bar (Footer) */
.promo-sites-bar {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  margin-top: 50px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.promo-sites-bar h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.promo-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 20px;
}

.btn-promo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 40px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.25);
}

.btn-promo:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title { font-size: 2.2rem; }
  .controls-inner { border-radius: 20px; }
  .nav-tabs { flex-direction: column; }
  .tab-btn { width: 100%; justify-content: center; }
  .promo-btns { flex-direction: column; }
  .btn-promo { width: 100%; justify-content: center; }
  .slide-player-controls { flex-direction: column; gap: 10px; }
}