/* GLOBAL RESET */
* {
  box-sizing: border-box;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: auto;
  font-family: 'Montserrat', sans-serif;
  background: #ffffff;
  color: #333;
  line-height: 1.6;
}

/* HEADER */
header {
  width: 100%;
  padding: 40px 0;
  text-align: center;
  color: white;
  background: linear-gradient(180deg, #0b486b 0%, #16222A 100%);
  margin: 0;
  border: none;
}
header h1 {
  font-size: 32px;
  margin: 0;
}
header h3 {
  font-size: 20px;
  font-weight: 400;
  margin-top: 8px;
}

/* INFO SECTION */
.InfoContainer {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 40px 20px;
  text-align: center;
  flex-wrap: wrap;
  width: 100%;
  background: linear-gradient(180deg, #F2EEE9 0%, #C9D6DF 100%);
}
.InfoContainer div {
  flex: 1;
  max-width: 200px;
  border-radius: 10px;
  padding: 16px;
}
.InfoContainer i {
  font-size: 40px;
  color: #4682B4;
  margin-bottom: 10px;
}
.InfoContainer h2 {
  font-size: 18px;
  margin: 10px 0;
  color: #222;
}
.InfoContainer p {
  font-size: 14px;
  color: #555;
}

/* NAVIGATION */
.main-nav {
  background: #0b486b;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  padding: 12px 16px;
  flex-wrap: wrap;
}
.main-nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background .2s, color .2s;
}
.main-nav a:hover {
  color: #C9D6DF;
  background: rgba(255,255,255,.08);
  text-decoration: underline;
}

/* TOGGLE BUTTON */
.theme-btn {
  padding: 8px 14px;
  border: 1px solid #ffffff66;
  border-radius: 8px;
  background: #ffffff1a;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, transform .2s;
}
.theme-btn:hover {
  background: #ffffff2a;
  transform: translateY(-2px);
}

/* ABOUT ASTANA */
#top-banner {
  text-align: left;
  font-size: 26px;
  color: #0b486b;
  margin: 40px auto 10px;
  font-weight: bold;
  max-width: 800px;
  padding: 0 20px;
}
#top-banner::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #0b486b, #16222A);
  border-radius: 2px;
  margin-top: 8px;
}

.Description {
  max-width: 800px;
  margin: 0 auto;
  font-size: 19px;
  color: #66686b;
  line-height: 1.6;
  text-align: left;
  padding: 0 20px;
}

/* ATTRACTIONS SECTION */
.AttractionsTitle {
  text-align: left;
  font-size: 26px;
  color: #0b486b;
  margin: 40px auto 10px;
  font-weight: bold;
  max-width: 800px;
  padding: 0 20px;
}
.AttractionsTitle::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #0b486b, #16222A);
  border-radius: 2px;
  margin-top: 8px;
}

.LeftBank, .RightBank, .Culture, .Events {
  text-align: left;
  font-size: 22px;
  font-weight: 600;
  color: #0b486b;
  margin: 40px auto 10px;
  max-width: 800px;
  padding: 0 20px;
}

.LeftBankDescription,
.RightBankDescription,
.CultureDescription,
.EventsDescription {
  max-width: 800px;
  margin: 0 auto 40px;
  font-size: 19px;
  color: #435164;
  line-height: 1.6;
  text-align: left;
  padding: 0 20px;
}

/* GALLERY */
.GalleryTitle, .MapTitle {
  text-align: center;
  font-size: 28px;
  color: #0b486b;
  margin: 40px 0 20px;
}
.Gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}
.Gallery img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}
.Gallery img:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

/* MAP */
.MapContainer {
  width: 100%;
  margin: 30px 0;
  overflow: hidden;
}
.MapContainer iframe {
  width: 100%;
  height: 500px;
  border: none;
  display: block;
}

/* CONTACT FORM */
.FormTitle {
  text-align: center;
  font-size: 28px;
  color: #0b486b;
  margin: 40px 0 10px;
}
.contact-form {
  max-width: 600px;
  margin: 0 auto 40px;
  display: grid;
  gap: 12px;
  padding: 0 20px;
}
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: #0b486b;
  box-shadow: 0 0 0 3px rgba(11,72,107,.15);
}
.contact-form button {
  padding: 12px 16px;
  background: #0b486b;
  color: #fff;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  transition: background .2s, transform .2s;
}
.contact-form button:hover {
  background: #16222A;
  transform: translateY(-2px);
}

/* FOOTER */
.footer02 {
  width: 100%;
  text-align: center;
  padding: 15px;
  background: #0b3a5b;
  color: white;
  margin-top: 30px;
}
#github02 {
  display: inline-block;
  color: #f8f9fa;
  text-decoration: none;
  margin-top: 10px;
}
#github02:hover {
  color: #60a5fa;
}

/* RESPONSIVE DESIGN */
@media (max-width: 560px) {
  header { padding: 25px 10px; }
  header h1 { font-size: 24px; }
  header h3 { font-size: 16px; }
  .InfoContainer { flex-direction: column; align-items: center; gap: 20px; }
  .main-nav { flex-direction: column; gap: 10px; }
  .main-nav a { display: block; width: 100%; text-align: center; }
  .Description, .LeftBankDescription, .RightBankDescription, .CultureDescription, .EventsDescription {
    font-size: 16px; padding: 0 10px;
  }
  iframe { height: 350px; }
}
@media (min-width: 561px) and (max-width: 900px) {
  .InfoContainer { flex-wrap: wrap; gap: 25px; }
  .Gallery img { height: 180px; }
}

/* DARK MODE */
body.dark-mode {
  background: #0f172a;
  color: #f1f5f9;
}

/* Header */
body.dark-mode header {
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
}

/* Navigation */
body.dark-mode .main-nav {
  background: #1e293b;
}
body.dark-mode .main-nav a {
  color: #f8fafc;
}
body.dark-mode .main-nav a:hover {
  background: rgba(255,255,255,0.15);
  color: #bfdbfe;
}

/* Info Section */
body.dark-mode .InfoContainer {
  background: #0f172a; 
}
body.dark-mode .InfoContainer div {
  background: transparent; 
  box-shadow: none;        
}
body.dark-mode .InfoContainer i { color: #60a5fa; }
body.dark-mode .InfoContainer h2 { color: #bfdbfe; }
body.dark-mode .InfoContainer p { color: #e2e8f0; }

/* Text and Titles */
body.dark-mode #top-banner,
body.dark-mode .AttractionsTitle,
body.dark-mode .LeftBank,
body.dark-mode .RightBank,
body.dark-mode .Culture,
body.dark-mode .Events {
  color: #93c5fd;
  text-align: left;
}
body.dark-mode .Description,
body.dark-mode .LeftBankDescription,
body.dark-mode .RightBankDescription,
body.dark-mode .CultureDescription,
body.dark-mode .EventsDescription {
  color: #e2e8f0;
  text-align: left;
}

/* Gallery */
body.dark-mode .GalleryTitle { color: #93c5fd; }
body.dark-mode .Gallery img {
  filter: brightness(0.85);
  box-shadow: 0 2px 8px rgba(0,0,0,0.6);
}

/* Map */
body.dark-mode .MapContainer { background: #1e293b; }

/* Contact form */
body.dark-mode .contact-form input,
body.dark-mode .contact-form textarea {
  background: #1e293b;
  color: #f1f5f9;
  border-color: #475569;
}
body.dark-mode .contact-form button {
  background: #2563eb;
}
body.dark-mode .contact-form button:hover {
  background: #1d4ed8;
}

/* Footer */
body.dark-mode .footer02 {
  background: #1e293b;
  color: #f1f5f9;
}
body.dark-mode #github02 {
  color: #60a5fa;
}
body.dark-mode #github02:hover {
  color: #93c5fd;
}

/* Toggle Button */
body.dark-mode .theme-btn {
  background: #334155;
  border-color: #475569;
  color: #f8fafc;
}
body.dark-mode .theme-btn:hover {
  background: #475569;
}