/* Alap színek és változók */
:root {
  --primary-color: #2c3e50;
  --accent-color: #f4a261;
  --background-color: #ffffff;
  --text-color: #2d2d2d;
  --dark-background: #1a1a1a;
  --dark-text: #f1f1f1;
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
}

body.dark {
  background: var(--dark-background);
  color: var(--dark-text);
}

header, footer {
  background: var(--primary-color);
  color: white;
  padding: 1rem;
  text-align: center;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  padding: 0;
  margin: 0;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
}

.theme-toggle {
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: white;
}

#hero {
  padding: 3rem 1rem;
  text-align: center;
  background: #e0e0e0;
  animation: fadeInDown 1s ease forwards;
  opacity: 0;
}

.cta {
  background: var(--accent-color);
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  text-decoration: none;
  display: inline-block;
  margin-top: 1rem;
  transition: background 0.3s, transform 0.2s;
}

.cta:hover {
  background: #e76f51;
  transform: scale(1.05);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  padding: 2rem 1rem;
  max-width: 1200px;
  margin: auto;
}

.card {
  background: #fff;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s, opacity 0.6s ease;
  opacity: 0;
  transform: translateY(20px);
}

.card.visible {
  opacity: 1;
  transform: translateY(0);
}

.card img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  padding: 1rem;
}

.gallery img {
  max-width: 300px;
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: transform 0.3s, opacity 0.6s;
  opacity: 0;
  transform: scale(0.9);
}

.gallery img.visible {
  opacity: 1;
  transform: scale(1);
}

form {
  max-width: 600px;
  margin: auto;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input, textarea, button {
  font-size: 1rem;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button[type="submit"] {
  background: var(--accent-color);
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}

button[type="submit"]:hover {
  background: #e76f51;
}

@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: center;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .gallery {
    flex-direction: column;
    align-items: center;
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}