/* ============================================================
   Π.Ο.Α.Σ. ΚΕΡΚΙΝΗΣ — Design System & Complete Stylesheet
   Colors: Terracotta #E87722 | Forest Green #2D6A4F | Cream #F5F0E8 | Dark #1B1B1B
   Typography: Playfair Display (headings) + Inter (body)
   ============================================================ */

/* --- CSS Custom Properties --------------------------------- */
:root {
  /* Colors */
  --color-primary: #E87722;
  --color-primary-dark: #C5611A;
  --color-primary-light: #F0A060;
  --color-secondary: #2D6A4F;
  --color-secondary-dark: #1E4A36;
  --color-secondary-light: #4A8F6E;
  --color-bg: #F5F0E8;
  --color-bg-alt: #EDE6DA;
  --color-text: #1B1B1B;
  --color-text-light: #5C5C5C;
  --color-white: #FFFFFF;
  --color-border: rgba(27, 27, 27, 0.1);
  --color-overlay: rgba(27, 27, 27, 0.6);
  --color-overlay-hero: rgba(27, 27, 27, 0.35);
  --color-focus: #E87722;
  --color-error: #C62828;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-section: 5rem;

  /* Layout */
  --container-max: 1200px;
  --container-padding: 1.5rem;
  --nav-height: 4.5rem;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-section) 0;
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-heading {
  margin-bottom: var(--space-lg);
}

.pillars > .container > .section-label,
.pillars > .container > .section-heading,
.lessons > .container > .section-label,
.lessons > .container > .section-heading,
.gallery > .container > .section-label,
.gallery > .container > .section-heading,
.news > .container > .section-label,
.news > .container > .section-heading {
  display: block;
  text-align: center;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 36rem;
  margin-top: var(--space-sm);
}

/* --- Focus Styles (WCAG AA) ------------------------------- */
:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* --- Skip Link (WCAG AA) ---------------------------------- */
.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-secondary);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: 0.75rem;
  color: var(--color-white);
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

/* --- Navigation ------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.nav.scrolled {
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  z-index: 1001;
  transform: translateY(calc(var(--nav-height) * 0.25 + 0.125rem));
}

.nav-logo img {
  height: calc(var(--nav-height) * 1.5 - 0.25rem);
  width: auto;
}

.nav-logo span {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-links .nav-lang a::after {
  display: none;
}

.nav-lang {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 1001;
}

.nav-lang a {
  color: var(--color-text-light);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-lang a.active {
  color: var(--color-primary);
  background: rgba(232, 119, 34, 0.1);
}

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

.nav-lang-sep {
  color: var(--color-border);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero ------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background-color: var(--color-text);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/hero-bg.webp');
  background-size: cover;
  background-position: center;
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay-hero);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 var(--container-padding);
  color: var(--color-white);
}

.hero-logo {
  width: min(260px, 55vw);
  height: auto;
  margin: 0 auto var(--space-2xl);
  display: block;
}

.hero-tagline-el {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.hero-cta {
  display: inline-block;
  padding: 0.875rem 2.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
  min-height: 48px;
}

.hero-cta:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8125rem;
  animation: bounce 2s infinite;
}

.hero-scroll-chevron {
  width: 24px;
  height: 24px;
  border-right: 2px solid rgba(255, 255, 255, 0.7);
  border-bottom: 2px solid rgba(255, 255, 255, 0.7);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

/* --- About ------------------------------------------------ */
.about {
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-text h2 {
  margin-bottom: var(--space-lg);
}

.about-text p {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.about-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-secondary);
}

.about-badge-icon {
  display: flex;
  align-items: center;
  color: var(--color-secondary);
}

.about-image {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  aspect-ratio: 4 / 5;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Pillars ---------------------------------------------- */
.pillars {
  background: var(--color-bg-alt);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.pillar-card {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.pillar-card:nth-child(1)::before { background: var(--color-primary); }
.pillar-card:nth-child(2)::before { background: var(--color-secondary); }
.pillar-card:nth-child(3)::before { background: linear-gradient(90deg, var(--color-primary), var(--color-secondary)); }

.pillar-card:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}

.pillar-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 2rem;
}

.pillar-card:nth-child(1) .pillar-icon { background: rgba(232, 119, 34, 0.1); }
.pillar-card:nth-child(2) .pillar-icon { background: rgba(45, 106, 79, 0.1); }
.pillar-card:nth-child(3) .pillar-icon { background: rgba(232, 119, 34, 0.08); }

.pillar-card h3 {
  margin-bottom: var(--space-md);
  font-size: 1.375rem;
}

.pillar-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.pillar-link {
  display: inline-block;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* --- Lessons ---------------------------------------------- */
.lessons {
  background: var(--color-bg);
}

.lessons-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  justify-content: center;
}

.filter-btn {
  padding: 0.625rem 1.375rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.lessons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.lesson-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.lesson-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.lesson-card-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.lesson-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.lesson-card:hover .lesson-card-image img {
  transform: scale(1.05);
}

.lesson-card-badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-cultural { background: var(--color-primary); color: var(--color-white); }
.badge-ecological { background: var(--color-secondary); color: var(--color-white); }
.badge-athletic { background: #1B1B1B; color: var(--color-white); }

.lesson-card-body {
  padding: var(--space-lg);
}

.lesson-card-body h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.lesson-card-schedule {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.lesson-card-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* --- Modals (Lessons & News) ------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.modal {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  max-height: 85dvh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-xl);
}

.modal-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
  background: var(--color-bg-alt);
}

.modal-body {
  padding: var(--space-2xl);
}

.modal-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.modal-body h2 {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
}

.modal-body p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.modal-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-lg);
}

.modal-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.modal-meta-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.modal-meta-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--color-text);
  box-shadow: var(--shadow-md);
  z-index: 10;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg-alt);
}

body.modal-open {
  overflow: hidden;
}

/* News modal specific */
.modal-date {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.modal-content-text {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text);
  white-space: pre-line;
}

/* --- Gallery ---------------------------------------------- */
.gallery {
  background: var(--color-bg-alt);
}

.gallery-grid {
  columns: 3;
  column-gap: var(--space-lg);
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--space-lg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  background: var(--color-bg);
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: var(--color-white);
  font-size: 0.9375rem;
  font-weight: 500;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--border-radius);
}

.lightbox-caption {
  color: var(--color-white);
  font-size: 1rem;
  text-align: center;
  margin-top: var(--space-lg);
  max-width: 600px;
  line-height: 1.5;
}

.lightbox-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-white);
  font-size: 1.5rem;
  z-index: 10;
  transition: background var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-white);
  font-size: 1.25rem;
  z-index: 10;
  transition: background var(--transition-fast);
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-prev { left: var(--space-lg); }
.lightbox-next { right: var(--space-lg); }

.lightbox-counter {
  position: absolute;
  top: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  font-weight: 500;
}

/* --- News ------------------------------------------------- */
.news {
  background: var(--color-bg);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.news-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.news-card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-card-image img {
  transform: scale(1.05);
}

.news-card-body {
  padding: var(--space-lg);
}

.news-card-date {
  font-size: 0.8125rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.news-card-body h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.news-card-excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- Location --------------------------------------------- */
.location {
  background: var(--color-bg-alt);
  position: relative;
}

.location-inner {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: center;
  background: var(--color-text);
}

.location-bg {
  position: absolute;
  inset: 0;
}

.location-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.location-card {
  position: relative;
  z-index: 2;
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--space-2xl);
  margin: var(--space-2xl);
  max-width: 480px;
  box-shadow: var(--shadow-xl);
}

.location-card h3 {
  margin-bottom: var(--space-md);
}

.location-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.location-address {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
}

.location-address-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--color-primary);
}

/* --- Footer ----------------------------------------------- */
.footer {
  background: var(--color-text);
  color: var(--color-white);
  padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand img {
  height: 6rem;
  width: auto;
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.footer-links h4,
.footer-social h4 {
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.footer-links a {
  display: block;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 0.9375rem;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-social-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-social a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer-social a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-credit {
  text-align: center;
  padding-top: var(--space-md);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer-credit a {
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-credit a:hover {
  color: var(--color-white);
}

/* --- Back to Top ------------------------------------------ */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* --- Animations (GSAP support) ---------------------------- */
/* GSAP handles all animations via inline styles.
   No opacity hiding in CSS — content must be visible without JS.
   Elements animate on scroll via GSAP ScrollTrigger. */

/* --- Reduced Motion --------------------------------------- */
@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-scroll {
    animation: none;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
  }
}

/* --- Responsive: Tablet (768–1023px) ---------------------- */
@media (max-width: 1023px) {
  :root {
    --space-section: 4rem;
    --container-padding: 1.25rem;
  }

  /* Nav */
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: calc(100vh - var(--nav-height));
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-2xl);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }

  .nav-links.active {
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    font-size: 1.25rem;
  }

  .nav-lang {
    margin-top: var(--space-sm);
    font-size: 1rem;
  }

  .nav-lang a {
    font-size: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about-image {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }

  /* Pillars */
  .pillars-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  /* Lessons */
  .lessons-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Gallery */
  .gallery-grid {
    columns: 2;
  }

  /* News */
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  /* Lightbox */
  .lightbox-nav {
    width: 40px;
    height: 40px;
  }

  .lightbox-prev { left: var(--space-sm); }
  .lightbox-next { right: var(--space-sm); }
}

/* --- Responsive: Mobile (<768px) -------------------------- */
@media (max-width: 767px) {
  :root {
    --space-section: 3rem;
    --container-padding: 1rem;
    --nav-height: 4rem;
  }

  /* Hero */
  .hero-tagline-el {
    font-size: 1.5rem;
  }

  .hero-tagline-en {
    font-size: 1rem;
  }

  .hero-cta {
    padding: 0.75rem 2rem;
    font-size: 1rem;
  }

  /* About */
  .about-text .section-label,
  .about-text h2 {
    display: block;
    text-align: center;
  }

  /* About badges */
  .about-badges {
    flex-direction: column;
  }

  /* Lessons */
  .lessons-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
    margin: 0 auto;
  }

  .lessons-filters {
    gap: var(--space-xs);
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    min-height: 40px;
  }

  /* Gallery */
  .gallery-grid {
    columns: 1;
    max-width: 500px;
    margin: 0 auto;
  }

  /* News */
  .news-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
    margin: 0 auto;
  }

  /* Location */
  .location-card {
    margin: var(--space-lg);
    padding: var(--space-lg);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* Modal */
  .modal-body {
    padding: var(--space-lg);
  }

  .modal-meta {
    grid-template-columns: 1fr;
  }

  .modal-close {
    top: var(--space-sm);
    right: var(--space-sm);
  }

  /* Lightbox */
  .lightbox-content {
    max-width: 95vw;
  }

  .lightbox-close {
    top: var(--space-sm);
    right: var(--space-sm);
    width: 40px;
    height: 40px;
  }
}

/* --- Print Styles ----------------------------------------- */
@media print {
  .nav,
  .back-to-top,
  .hero-scroll,
  .lightbox,
  .modal-overlay {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  .section {
    padding: 2rem 0;
    page-break-inside: avoid;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}