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

body {
  font-family: sans-serif;
  background: #ffffff;
  color: #333;
}

/* HEADER */
header {
  background: white;
  padding: 20px;
  text-align: center;
  position: relative;
}

header h1 {
  margin-bottom: 10px;
}

/* NAVIGATION BAR — FULL-WIDTH YELLOW BAR */
nav {
  width: 100%;
  background: #ffd900; /* YELLOW BAR */
}

.menu {
  display: flex;
  justify-content: center;
  gap: 30px;
  list-style: none;
  padding: 14px 0;
}

.menu li a {
  text-decoration: none;
  color: black;
  font-weight: bold;
  font-size: 1.1rem;
}

/* HAMBURGER (hidden on desktop) */
.hamburger {
  display: none;
  position: absolute;
  right: 20px;
  top: 20px;
  font-size: 28px;
  cursor: pointer;
}

/* GALLERY */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  padding: 40px;
}

.gallery img {
  width: 100%;
  cursor: pointer;
  border-radius: 4px;
}

/* LIGHTBOX */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.lightbox-img {
  max-width: 90%;
  max-height: 90%;
}

.close {
  position: absolute;
  top: 30px;
  right: 40px;
  font-size: 40px;
  color: white;
  cursor: pointer;
}

/* LINKS PAGE — CENTERED LIST */
.links-list {
  display: flex;
  justify-content: center;
  margin-top: 50px;
}

.links-list ul {
  list-style: none;
  text-align: center;
}

.links-list li {
  margin: 15px 0;
}

.links-list a {
  text-decoration: none;
  color: #333; /* dark gray */
  font-size: 1.3rem;
  font-weight: bold;
}

.links-list a:hover {
  text-decoration: underline;
}

/* MOBILE MENU */
@media (max-width: 700px) {
  .hamburger {
    display: block;
  }

  .menu {
    display: none;
    flex-direction: column;
    background: #ffd900;
    padding: 20px 0;
  }

  nav.open .menu {
    display: flex;
  }
}