/* Reset και βασικές ρυθμίσεις */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Arial', sans-serif;
   background-image: url('Light-Blue.jpg');
  background-color: #f7f7f7;
  color: #333;
  padding-top: 100px; /* για να κατεβαίνει κάτω από το header */
  margin-top: 40px;
  line-height: 1.6;
}
/* Header */
header {
  background-color: #ffffffcc;
  background-size: cover;
  background-position: center;
  margin-top: 20px;
  padding: 15px 30px;
  position:fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Τίτλος */
header h1 a {
  color: #4a90e2;
  font-family: 'Dancing Script', cursive;
  font-size: 2.5rem;
  text-decoration: none;
  transition: color 0.3s ease;
}

header h1 a:hover {
  color: #357ABD;
}
/* Πλοήγηση */
nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
}
nav ul li a {
  text-decoration: none;
  color: #555;
  font-weight: 600;
  font-size: 1rem;
  transition: color 0.3s ease;
}

nav ul li a:hover,
nav ul li a.active {
  color: #4a90e2;
}

/* Gallery Section */
.category {
  max-width: 1200px;
  margin: 0 auto 60px;
  padding: 0 20px;
}

.category h2 {
  margin-bottom: 25px;
  text-align: center;
  font-size: 2rem;
  color: #4a90e2;
}

/* Gallery Grid */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.gallery img {
  width: 100%;
  height: auto;
  cursor: pointer;
  border-radius: 10px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.gallery img:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

/* Lightbox Overlay */
.lightbox {
  position: fixed;
  display: none;
  justify-content: center;
  align-items: center;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  z-index: 1000;
  cursor: default;
}

/* Εικόνα μέσα στο Lightbox */
.lightbox-img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 12px;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
  user-select: none;
}

 #lang-switcher img {
    width: 32px;
    height: 20px;
    border-radius: 3px;
  }
  /* Στυλ για κουμπί Airbnb */
.bottom-button {
  display: inline-block;
  padding: 12px 24px;
  background-color: #FF5A5F; /* Airbnb red */
  color: white;
  text-decoration: none;
  font-weight: bold;
  font-size: 1rem;
  border-radius: 8px;
  transition: background-color 0.3s ease, transform 0.2s ease;
  margin: 20px auto;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.bottom-button:hover {
  background-color: #e04e53;
  transform: scale(1.05);
}
/* Responsive – Οριζόντια διάταξη για κινητές συσκευές */
@media (max-width: 768px) {
    header {
        padding: 10px 15px;
        flex-wrap: wrap;
    }

    header h1 a {
        font-size: 1.8rem;
    }

    nav ul {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    nav ul li a {
        font-size: 0.9rem;
    }

    main {
        padding-top: 150px;
        padding-bottom: 140px;
    }

    main h2 {
        font-size: 1.2rem;
        padding: 15px 20px;
        margin-bottom: 30px;
    }

    main .buttons-row {
        flex-direction: row;
        justify-content: space-between;
        gap: 10px;
        padding: 0 20px;
        position: fixed;
        bottom: 20px;
        left: 0;
    }

    main .bottom-button {
        min-width: 45%;
        font-size: 1rem;
        padding: 10px 16px;
    }

    .language-switch img {
        width: 28px;
    }
}