/* ==========================================================================
   Επίσημη Ιστοσελίδα Μνήμης και Έργου Αναστασίου Ν. Δάρδα (1948–2024)
   Κύριο Φύλλο Στυλ (Main Stylesheet)
   Visual Identity: Byzantine Burgundy & Antique Gold
   ========================================================================== */

:root {
  /* Χρωματική Παλέτα (Visual Identity Palette) - Imperial Byzantine Burgundy & Gold */
  --color-primary: #6B1D24;         /* Deep Imperial Burgundy / Βαθύ Μπορντό */
  --color-primary-dark: #460F14;    /* Dark Maroon / Σκούρο Βυσσινί */
  --color-primary-light: #8E2933;   /* Rich Cardinal Burgundy */
  --color-primary-subtle: rgba(107, 29, 36, 0.08); /* Soft burgundy tint */
  --color-charcoal: #252422;        /* Rich Charcoal */
  --color-ivory: #F7F3EA;           /* Warm Ivory */
  --color-ivory-light: #FCFAF5;     /* Light Cream / Card Background */
  --color-ivory-warm: #EFE6D5;      /* Parchment tint */
  --color-gold: #B49A62;            /* Antique Gold */
  --color-gold-light: #D6C296;      /* Light Antique Gold */
  --color-gold-dark: #8C733F;       /* Burnished Gold */
  --color-gray: #5E5D57;            /* Warm Gray */
  --color-gray-light: #8E8D86;      /* Muted Gray */
  --color-border: rgba(180, 154, 98, 0.32); /* Subtle Gold Border */
  --color-border-burgundy: rgba(107, 29, 36, 0.16);

  /* Τυπογραφία (Typography) */
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Σκιές (Shadows) */
  --shadow-sm: 0 2px 8px rgba(70, 15, 20, 0.06);
  --shadow-md: 0 8px 24px rgba(70, 15, 20, 0.1);
  --shadow-lg: 0 16px 42px rgba(70, 15, 20, 0.16);
  --shadow-book: -8px 12px 30px rgba(70, 15, 20, 0.38), 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-book-hover: -14px 22px 46px rgba(70, 15, 20, 0.48), 0 4px 14px rgba(0, 0, 0, 0.28);

  /* Μεταβάσεις (Transitions) */
  --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.2s ease-in-out;

  /* Διαστάσεις & Layout */
  --container-max: 1240px;
  --header-height: 86px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  background-color: var(--color-ivory);
  color: var(--color-charcoal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  line-height: 1.7;
  color: var(--color-charcoal);
  background: var(--color-ivory);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(180, 154, 98, 0.06) 0%, transparent 60%),
    linear-gradient(to bottom, #FCFAF5 0%, var(--color-ivory) 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--color-gold-dark);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Accessibility: Focus visible */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--color-primary);
  color: var(--color-ivory);
  padding: 10px 18px;
  font-size: 0.95rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
  font-weight: 500;
  box-shadow: var(--shadow-md);
}

.skip-link:focus {
  top: 15px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* --------------------------------------------------------------------------
   Typography Hierarchy
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
}

h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
}

h4 {
  font-size: 1.2rem;
}

p {
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
  color: var(--color-charcoal);
}

p.lead {
  font-size: 1.25rem;
  line-height: 1.75;
  color: var(--color-gray);
  font-weight: 400;
}

.text-gold {
  color: var(--color-gold);
}

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--color-gray);
}

/* Classical Ornaments & Dividers */
.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 20px auto;
  color: var(--color-gold);
}

.ornament::before,
.ornament::after {
  content: "";
  display: block;
  height: 1px;
  width: 60px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.ornament-symbol {
  font-size: 1.2rem;
  color: var(--color-gold);
  line-height: 1;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-sans);
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  background: rgba(107, 29, 36, 0.08);
  padding: 5px 14px;
  border-radius: 30px;
  margin-bottom: 14px;
  border: 1px solid rgba(107, 29, 36, 0.22);
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 46px auto;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  color: var(--color-gray);
  font-size: 1.15rem;
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(247, 243, 234, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(247, 243, 234, 0.98);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  gap: 2px;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  line-height: 1.1;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.brand-link:hover .brand-name {
  color: var(--color-primary-light);
}

.brand-dates {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-gold-dark);
  font-weight: 500;
  letter-spacing: 0.12em;
}

/* Navigation Links */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--color-charcoal);
  padding: 8px 0;
  position: relative;
  transition: color 0.2s ease;
  letter-spacing: 0.01em;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

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

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

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

/* Mobile Toggle Hamburger */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Buttons & CTAs
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-size: 0.98rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
  transition: var(--transition-smooth);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border: 1px solid var(--color-primary);
  box-shadow: 0 4px 14px rgba(107, 29, 36, 0.28);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: #fff;
  border-color: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(107, 29, 36, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: rgba(107, 29, 36, 0.06);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-gold {
  background-color: var(--color-gold);
  color: #ffffff;
  border: 1px solid var(--color-gold);
  box-shadow: 0 4px 14px rgba(180, 154, 98, 0.3);
}

.btn-gold:hover {
  background-color: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(180, 154, 98, 0.4);
}

.btn-outline-gold {
  background-color: transparent;
  color: var(--color-gold-dark);
  border: 1px solid var(--color-gold);
}

.btn-outline-gold:hover {
  background-color: rgba(180, 154, 98, 0.1);
  color: var(--color-gold-dark);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.88rem;
}

.btn-icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* --------------------------------------------------------------------------
   Εφέ 1: Hero Section & Reveal Animation
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 75px 0 90px 0;
  overflow: hidden;
  background: 
    radial-gradient(ellipse at 80% 20%, rgba(180, 154, 98, 0.14) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(107, 29, 36, 0.06) 0%, transparent 60%);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  opacity: 0;
  transform: translateY(22px);
  animation: heroFadeUp 1.1s cubic-bezier(0.2, 0.8, 0.2, 1) 0.15s forwards;
}

.hero-title-group {
  margin-bottom: 24px;
}

.hero-title {
  color: var(--color-primary);
  margin-bottom: 8px;
  font-size: clamp(2.6rem, 5vw, 4.1rem);
  line-height: 1.15;
}

.gold-line-reveal {
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-light) 60%, transparent 100%);
  margin: 16px 0 24px 0;
  animation: expandGoldLine 1.2s cubic-bezier(0.25, 1, 0.5, 1) 0.85s forwards;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.3vw, 1.85rem);
  color: var(--color-primary-light);
  font-style: italic;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 18px;
}

.hero-description {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--color-charcoal);
  margin-bottom: 34px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* Hero Portrait */
.hero-portrait-wrapper {
  position: relative;
  opacity: 0;
  transform: translateY(18px);
  animation: portraitReveal 1.3s cubic-bezier(0.2, 0.8, 0.2, 1) 0.4s forwards;
}

.portrait-frame {
  position: relative;
  border-radius: var(--radius-md);
  padding: 12px;
  background: var(--color-ivory-light);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--color-border);
  overflow: hidden;
}

.portrait-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(255, 255, 255, 0.35) 0%, transparent 70%);
  pointer-events: none;
  z-index: 2;
  opacity: 0.6;
  transition: opacity 0.5s ease;
}

.portrait-frame:hover::before {
  opacity: 0.8;
}

.portrait-img {
  width: 100%;
  max-height: 540px;
  object-fit: cover;
  object-position: top center;
  border-radius: 4px;
  display: block;
  filter: contrast(1.02) brightness(1.01);
  transition: filter 0.6s ease, transform 0.6s ease;
}

.portrait-caption-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(70, 15, 20, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-ivory);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-gold);
  font-size: 0.88rem;
  line-height: 1.4;
  z-index: 3;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

.portrait-caption-badge strong {
  color: var(--color-gold-light);
  display: block;
  font-size: 0.92rem;
  margin-bottom: 2px;
}

@keyframes heroFadeUp {
  0% {
    opacity: 0;
    transform: translateY(24px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes expandGoldLine {
  0% {
    width: 0%;
  }
  100% {
    width: 140px;
  }
}

@keyframes portraitReveal {
  0% {
    opacity: 0;
    transform: translateY(22px) scale(0.98);
    filter: brightness(0.92);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: brightness(1);
  }
}

/* --------------------------------------------------------------------------
   Εφέ 2: Παρουσίαση Βιβλίου (Book Presentation)
   -------------------------------------------------------------------------- */
.book-section {
  padding: 90px 0;
  background: 
    linear-gradient(180deg, var(--color-ivory) 0%, #EFE5D5 50%, var(--color-ivory) 100%);
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.book-presentation-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: center;
}

.book-stage {
  perspective: 1200px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.book-3d {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1 / 1.52;
  cursor: pointer;
  transform-style: preserve-3d;
  transform: rotateY(-14deg) rotateX(4deg) translateZ(0);
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s ease;
  border-radius: 4px;
}

.book-3d:hover {
  transform: rotateY(-4deg) rotateX(2deg) translateY(-8px) scale(1.02);
}

.book-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 3px 6px 6px 3px;
  box-shadow: var(--shadow-book);
  transition: box-shadow 0.4s ease;
  position: relative;
  z-index: 2;
  display: block;
}

.book-3d:hover .book-cover-img {
  box-shadow: var(--shadow-book-hover);
}

.book-spine-effect {
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 100%;
  background: linear-gradient(90deg, 
    rgba(0, 0, 0, 0.35) 0%, 
    rgba(255, 255, 255, 0.18) 45%, 
    rgba(0, 0, 0, 0.15) 100%);
  z-index: 3;
  pointer-events: none;
  border-radius: 3px 0 0 3px;
}

.book-pages-effect {
  position: absolute;
  right: -12px;
  top: 6px;
  bottom: 6px;
  width: 14px;
  background: repeating-linear-gradient(
    to bottom,
    #fcf8ef 0px,
    #ede5d0 2px,
    #d9ceb4 3px
  );
  transform: rotateY(90deg);
  transform-origin: left;
  border-radius: 0 2px 2px 0;
  box-shadow: 2px 0 4px rgba(0,0,0,0.15);
  z-index: 1;
}

.book-meta-details {
  display: flex;
  flex-direction: column;
}

.book-publication-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.book-title {
  font-size: clamp(2rem, 3.4vw, 2.9rem);
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.book-subtitle {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--color-primary-light);
  font-style: italic;
  margin-bottom: 22px;
}

.book-summary {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--color-charcoal);
  margin-bottom: 28px;
}

.book-specs-card {
  background: var(--color-ivory-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.book-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.spec-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray-light);
  font-weight: 600;
}

.spec-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
}

.book-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* --------------------------------------------------------------------------
   Enhanced Dual-Mode PDF Reader Container
   -------------------------------------------------------------------------- */
.reader-container {
  margin-top: 40px;
  background: var(--color-primary-dark);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(180, 154, 98, 0.35);
  overflow: hidden;
  color: var(--color-ivory);
  transition: var(--transition-smooth);
}

.reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #330B0F;
  border-bottom: 1px solid rgba(180, 154, 98, 0.3);
  flex-wrap: wrap;
  gap: 12px;
}

.reader-toolbar-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.reader-btn {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-ivory);
  border: 1px solid rgba(180, 154, 98, 0.35);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
  cursor: pointer;
}

.reader-btn:hover:not(:disabled) {
  background: rgba(180, 154, 98, 0.28);
  border-color: var(--color-gold);
  color: #fff;
}

.reader-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.reader-page-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 500;
}

.reader-page-input {
  width: 55px;
  padding: 5px 8px;
  text-align: center;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(180, 154, 98, 0.4);
  border-radius: var(--radius-sm);
  color: var(--color-ivory);
  font-family: inherit;
  font-size: 0.9rem;
}

.reader-viewport {
  position: relative;
  min-height: 640px;
  max-height: 85vh;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px 16px;
  background: 
    radial-gradient(circle at center, #521319 0%, #2A080B 100%);
}

.reader-canvas-wrapper {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  transition: transform 0.2s ease-out;
}

.reader-canvas {
  background: #ffffff;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 0, 0, 0.15);
  border-radius: 2px;
  display: block;
  max-width: 100%;
  height: auto;
}

.reader-loading {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--color-gold);
  font-size: 1.05rem;
  z-index: 10;
}

.reader-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(180, 154, 98, 0.2);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Native Embedded PDF Frame View */
.reader-embed-frame {
  width: 100%;
  height: 80vh;
  min-height: 650px;
  border: none;
  background: #ffffff;
  display: block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   Back Cover Presentation Section («Η έκδοση του βιβλίου»)
   -------------------------------------------------------------------------- */
.edition-section {
  padding: 85px 0;
  background: var(--color-ivory-light);
  border-bottom: 1px solid var(--color-border);
}

.edition-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.back-cover-frame {
  max-width: 380px;
  margin: 0 auto;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--color-border);
  background: #ffffff;
  padding: 8px;
  transition: transform 0.4s ease;
}

.back-cover-frame:hover {
  transform: scale(1.02);
}

.back-cover-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
}

.edition-quote {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--color-charcoal);
  font-style: italic;
  position: relative;
  padding-left: 28px;
  border-left: 3px solid var(--color-gold);
  margin: 24px 0;
}

.quote-author {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-style: normal;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 10px;
}

/* --------------------------------------------------------------------------
   Section 8: Βιογραφική Παρουσίαση & Dedicated Page
   -------------------------------------------------------------------------- */
.biography-section {
  padding: 90px 0;
  background: var(--color-ivory);
  border-bottom: 1px solid var(--color-border);
}

.bio-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.bio-card {
  background: var(--color-ivory-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  position: relative;
  display: flex;
  flex-direction: column;
}

.bio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold);
}

.bio-card-badge {
  align-self: flex-start;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: rgba(107, 29, 36, 0.08);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
  border-left: 2px solid var(--color-gold);
}

.bio-card h3 {
  margin-bottom: 14px;
  color: var(--color-primary);
}

.bio-card p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-charcoal);
  margin-bottom: 12px;
}

.bio-card ul {
  list-style: none;
  margin: 12px 0;
}

.bio-card li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 0.98rem;
  line-height: 1.6;
}

.bio-card li::before {
  content: "•";
  position: absolute;
  left: 4px;
  top: -1px;
  color: var(--color-gold);
  font-size: 1.3rem;
}

/* Featured Honors Box (Burgundy & Gold) */
.honors-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-ivory);
  border-radius: var(--radius-md);
  padding: 38px 34px;
  margin: 40px 0 30px 0;
  border: 1px solid rgba(180, 154, 98, 0.5);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
}

.honors-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(180, 154, 98, 0.22);
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-size: 2.2rem;
  flex-shrink: 0;
}

.honors-content h3 {
  color: var(--color-gold-light);
  font-size: 1.65rem;
  margin-bottom: 8px;
}

.honors-content p {
  color: var(--color-ivory);
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.honors-content .honors-details {
  color: rgba(247, 243, 234, 0.9);
  font-size: 0.96rem;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Section 9: Η Πνευματική και Εκπαιδευτική Παρακαταθήκη
   -------------------------------------------------------------------------- */
.legacy-section {
  padding: 90px 0;
  background: 
    linear-gradient(180deg, var(--color-ivory-light) 0%, var(--color-ivory) 100%);
  border-bottom: 1px solid var(--color-border);
}

.legacy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 36px;
  margin-top: 36px;
}

.legacy-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 34px 30px;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--color-gold);
}

.legacy-card-icon {
  color: var(--color-gold);
  font-size: 2rem;
  margin-bottom: 18px;
  display: block;
}

.legacy-card h3 {
  margin-bottom: 14px;
}

.monographs-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.monograph-item {
  background: var(--color-ivory-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  display: flex;
  gap: 16px;
  transition: var(--transition-fast);
}

.monograph-item:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-sm);
}

.monograph-number {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.monograph-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
  line-height: 1.4;
}

.monograph-year {
  font-size: 0.85rem;
  color: var(--color-gray);
}

/* Home Highlights Card (for clean streamlined homepage) */
.home-highlight-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 44px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

/* --------------------------------------------------------------------------
   Εφέ 3: Φωτογραφική Συλλογή & Lightbox
   -------------------------------------------------------------------------- */
.gallery-section {
  padding: 90px 0;
  background: var(--color-ivory);
}

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 30px;
  background: var(--color-ivory-light);
  color: var(--color-charcoal);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  background: rgba(107, 29, 36, 0.08);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold);
}

.gallery-thumb-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #eae4d5;
}

.gallery-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: block;
}

.gallery-item:hover .gallery-thumb {
  transform: scale(1.06);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(70, 15, 20, 0.75) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-view-icon {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(247, 243, 234, 0.95);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  opacity: 0;
  transform: scale(0.8);
  transition: var(--transition-fast);
}

.gallery-item:hover .gallery-view-icon {
  opacity: 1;
  transform: scale(1);
}

.gallery-caption-box {
  padding: 14px 16px;
  background: #ffffff;
}

.gallery-caption {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--color-charcoal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.gallery-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold-dark);
  margin-bottom: 4px;
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(22, 6, 8, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 9999;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-ivory);
  width: 100%;
}

.lightbox-counter {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-gold-light);
}

.lightbox-close {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-ivory);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  background: var(--color-gold);
  color: #fff;
}

.lightbox-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.lightbox-img {
  max-height: 72vh;
  max-width: 88vw;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  transition: transform 0.2s ease;
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(70, 15, 20, 0.8);
  color: var(--color-ivory);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  border: 1px solid rgba(180, 154, 98, 0.4);
  cursor: pointer;
  transition: var(--transition-fast);
  z-index: 10;
}

.lightbox-nav-btn:hover {
  background: var(--color-gold);
  color: #fff;
}

.lightbox-prev {
  left: 10px;
}

.lightbox-next {
  right: 10px;
}

.lightbox-caption-area {
  text-align: center;
  max-width: 800px;
  margin: 12px auto 0 auto;
  color: var(--color-ivory);
  font-size: 1rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Pages: Ο Όσιος Ναούμ & Επικοινωνία
   -------------------------------------------------------------------------- */
.naoum-hero {
  padding: 75px 0 55px 0;
  background: 
    radial-gradient(circle at 50% 30%, rgba(180, 154, 98, 0.16) 0%, transparent 60%),
    linear-gradient(180deg, var(--color-ivory-light) 0%, var(--color-ivory) 100%);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.naoum-hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  margin-bottom: 18px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.naoum-author {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.naoum-content-section {
  padding: 80px 0;
}

.naoum-text-block {
  max-width: 860px;
  margin: 0 auto 50px auto;
  background: #ffffff;
  padding: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.naoum-text-block h3 {
  color: var(--color-primary);
  margin: 32px 0 16px 0;
}

.naoum-text-block h3:first-child {
  margin-top: 0;
}

.naoum-text-block p {
  font-size: 1.06rem;
  line-height: 1.85;
}

.contact-section {
  padding: 90px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 40px;
}

.contact-card {
  background: var(--color-ivory-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px 36px;
  box-shadow: var(--shadow-sm);
}

.phone-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.phone-item:last-child {
  border-bottom: none;
}

.phone-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(107, 29, 36, 0.08);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.phone-meta {
  display: flex;
  flex-direction: column;
}

.phone-type {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray);
  font-weight: 600;
}

.phone-link {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.phone-link:hover {
  color: var(--color-gold-dark);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-ivory);
  padding: 70px 0 35px 0;
  border-top: 3px solid var(--color-gold);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand h3 {
  color: var(--color-ivory);
  font-size: 1.7rem;
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.footer-brand .footer-dates {
  color: var(--color-gold-light);
  font-size: 0.95rem;
  margin-bottom: 18px;
  display: block;
}

.footer-brand p {
  color: rgba(247, 243, 234, 0.82);
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-col h4 {
  color: var(--color-gold-light);
  font-size: 1.15rem;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: rgba(247, 243, 234, 0.88);
  font-size: 0.96rem;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--color-gold);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(180, 154, 98, 0.25);
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.88rem;
  color: rgba(247, 243, 234, 0.7);
}

/* --------------------------------------------------------------------------
   Reduced Motion Accessibility
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .hero-content,
  .hero-portrait-wrapper,
  .gold-line-reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  
  .gold-line-reveal {
    width: 140px !important;
  }

  .book-3d {
    transform: none !important;
  }
}