/* ============================================================
   ΕΘΝΟΜΟΥΣΙΚΟΛΟΓΙΚΟ ΙΔΡΥΜΑ ΠΕΤΡΟΥ Γ. ΖΗΣΗ
   Theme: "Cycladic Museum" (Minimalist, Geometric, High-End Editorial)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Jost:wght@300;400;500;600&display=swap');

:root {
  /* Colors - Minimalist Palette */
  --color-black:       #0a0a0a;
  --color-white:       #ffffff;
  --color-off-white:   #f9f9f9;
  --color-gray-light:  #e5e5e5;
  --color-gray-dark:   #666666;
  
  /* Accent (Used very sparingly, e.g., for hover or specific active states) */
  --color-accent:      #b89b72; /* Sand/Stone color */

  /* Typography - Simulating CF Asty */
  --font-primary:      'Jost', 'Futura', sans-serif;
  
  /* Spacing */
  --space-xs:          1rem;
  --space-sm:          2rem;
  --space-md:          4rem;
  --space-lg:          6rem;
  --space-xl:          10rem;
  
  /* Transitions */
  --transition:        all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-white);
  color: var(--color-black);
  line-height: 1.6;
  font-size: 17px;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 {
  font-weight: 400;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family:'Noto Serif Display', 'serif';
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  margin-bottom: var(--space-sm);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: var(--space-md);
  border-top: 1px solid var(--color-black);
  padding-top: var(--space-xs);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.text-meta {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-dark);
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5%;
}

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

.section-bg-gray {
  background-color: var(--color-off-white);
}

/* ============================================================
   NAVBAR (Museum Style - Stark, Minimal)
   ============================================================ */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 5%;
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  border-bottom: 1px solid var(--color-gray-light);
  padding: 1rem 5%;
}

.navbar-brand {
  font-weight: 500;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--color-gray-dark);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 5% var(--space-md) 5%;
  background-color: var(--color-off-white);
  position: relative;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 70vh;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.1);
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  background: var(--color-white);
  padding: var(--space-md) var(--space-md) 0 2rem;
  margin-top: 50vh;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 500;
  border: 1px solid var(--color-black);
  background: transparent;
  color: var(--color-black);
  cursor: pointer;
}

.btn:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.btn-solid {
  background: var(--color-black);
  color: var(--color-white);
}

.btn-solid:hover {
  background: transparent;
  color: var(--color-black);
}

/* ============================================================
   GRID & CARDS (Exhibitions / Programs style)
   ============================================================ */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

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

.card {
  display: flex;
  flex-direction: column;
}

.card-img-wrap {
  width: 100%;
  aspect-ratio: 4/5;
  overflow: hidden;
  margin-bottom: var(--space-sm);
  background: var(--color-gray-light);
}

.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /*filter: grayscale(100%);*/
  transition: filter 0.5s ease;
}

.card:hover img {
  filter: grayscale(0%);
}

.card-content h3 {
  margin-bottom: 0.5rem;
}

/* ============================================================
   LISTS (Events style)
   ============================================================ */
.event-list {
  list-style: none;
  border-top: 1px solid var(--color-black);
}

.event-item {
  display: grid;
  grid-template-columns: 1fr 3fr 1fr;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-gray-light);
  align-items: center;
}

.event-date {
  font-weight: 500;
  font-size: 1.2rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: var(--space-lg) 5% var(--space-md);
}

.footer a {
  color: var(--color-gray-light);
}

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

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

.footer-title {
  color: var(--color-gray-dark);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  .event-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none; /* In a real scenario, add a minimal hamburger menu */
  }
}