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

body {
  font-family: 'Segoe UI', sans-serif;
}

/* HEADER */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 40px;
  background: #f7f9fc;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 999;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 55px;
  height: 48px;
}

.logo span {
  font-size: 1.2rem;
  font-weight: 700;
  color: #1d1d1f;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 10px;
}

.nav-links a {
  text-decoration: none;
  color: #5f6472;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.nav-links a:hover {
  background-color: #e8f0ff;
  color: #3b82f6;
}

.nav-links a.active {
  background-color: #e8f0ff;
  color: #3b82f6;
}

.apply-button {
  background-color: #ff7b1d;
  color: white;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 18px;
  text-decoration: none;
  transition: background 0.3s ease;
}

.apply-button:hover {
  background-color: #ff924a;
}

/* CONTAINER */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.gallery-header {
  text-align: center;
  margin-bottom: 40px;
  background: linear-gradient(135deg, #0026ff, #009dff);
  color: white;
  padding: 40px 20px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.163);
}

.gallery-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.page-header p {
  font-size: 1.1rem;
  opacity: 1.6;
}

/* GALLERY SECTION */
.gallery-section {
  padding: 20px 20px;
  max-width: 2000px;
  margin: auto;
  text-align: center;
}

.gallery-section h2 {
  font-size: 2rem;
  margin-bottom: 40px;
  color: #1f2937;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.gallery img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
}

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

.hidden-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.show-more-btn {
  margin-top: 40px;
  padding: 12px 24px;
  font-size: 1rem;
  background-color: #3b82f6;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.show-more-btn:hover {
  background-color: #2563eb;
}

/* Lightbox Popup */
.popup {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.8);
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.popup img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0,0,0,0.6);
}

.close-btn {
  position: absolute;
  top: 30px;
  right: 40px;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  z-index: 1001;
  font-weight: bold;
  transition: 0.3s;
}

.close-btn:hover {
  transform: scale(1.1);
}


/* FOOTER */
.footer {
  background-color: #0f1a2c;
  color: #c9d1e0;
  padding: 50px 40px 20px;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
  max-width: 1200px;
  margin: auto;
}

.footer-section {
  flex: 1 1 220px;
}

.footer-section h3 {
  color: #ffffff;
  margin-bottom: 15px;
  font-size: 1.1rem;
}

.footer-section p {
  margin-bottom: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  margin-bottom: 8px;
}

.footer-section ul li a {
  text-decoration: none;
  color: #c9d1e0;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: #3b82f6;
}

.footer-section.contact i {
  margin-right: 8px;
  color: #3b82f6;
}

.social-icons a {
  color: #d1d5db;
  font-size: 18px;
  margin-right: 15px;
  transition: color 0.3s ease;
}

.social-icons a:hover {
  color: #3b82f6;
}

.footer-bottom {
  border-top: 1px solid #24344f;
  margin-top: 30px;
  padding-top: 15px;
  font-size: 0.9rem;
  text-align: center;
}

.footer-bottom a {
  color: #a1b2cd;
  margin: 0 5px;
  text-decoration: none;
}

.footer-bottom a:hover {
  text-decoration: underline;
}