/* Base Styles for Header */
@font-face {
    font-family: 'CustomFont';
    src: url('custom-font.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

body {
    margin: 0;
    font-family: 'CustomFont', sans-serif;
    background: linear-gradient(to bottom, #0b0c10, #1f2833); /* Dark theme */
    color: #fff;
    text-align: center;
    overflow-x: hidden;
    height: 100%; /* Full height of the document */
    min-height: 100vh; /* Minimum height is full viewport height */
    position: relative; /* For positioning the canvas */
    cursor: url('custom-cursor.cur'), auto;  /* Set custom .cur cursor */
}

/* Light theme styles */
body.light {
    background: linear-gradient(to bottom, #ffffff, #f0f0f0); /* White gradient for light theme */
    color: #333;
}

/* Canvas for Snow Effect */
#snowCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* Disable interaction with canvas */
    z-index: -1; /* Ensure it stays behind the content */
}

/* Header Styling */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: #111;
    position: sticky; /* Makes the header sticky */
    top: 0; /* Ensures it sticks at the top of the page */
    z-index: 1000; /* Keeps it above other content */
}

/* Logo Styling */
header .logo {
    font-size: 50px;
    font-weight: 700;
    color: #4caf50;
    padding-left: 30px;
}

/* Navigation Styling */
header nav {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Navigation Links Styling */
header nav a {
    color: #bbb;
    text-decoration: none;
    margin: 0 10px;
    font-size: 30px;
    transition: color 0.3s;
    position: relative; /* Ensures proper positioning of dropdown */
}

header nav a:hover {
    color: #fff;
}

/* Dropdown Styling */
.dropdown {
    position: relative; /* Keeps dropdown in place */
    display: inline-block; /* Allows dropdown to take up space next to the navigation links */
}

/* Dropdown menu content (hidden by default) */
.dropdown-content {
    display: none;
    position: absolute; /* Position it directly below the button */
    background-color: #333;
    min-width: 160px;
    z-index: 1; /* Ensures it appears above other content */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3); /* Adds shadow for a better look */
}

/* Show dropdown content when hovered */
.dropdown:hover .dropdown-content {
    display: block;
}

/* Styling for items in the dropdown */
.dropdown-content a {
    color: #bbb;
    padding: 12px 16px;
    text-decoration: none;
    font-size: 18px;
    display: block; /* Ensures each item is in a new line */
}

/* Styling for dropdown items when hovered */
.dropdown-content a:hover {
    background-color: #555;
}

/* Twitter Icon Styling */
.twitter-icon {
    display: inline-block;
    margin: 0 10px;
}

.twitter-icon img {
    vertical-align: middle;
    transition: transform 0.3s ease, opacity 0.3s ease;
    width: 30px;
    height: 30px;
}

.twitter-icon:hover img {
    transform: scale(1.1);
    opacity: 0.8;
}

/* Hamburger Menu Styling */
.hamburger-menu {
    display: none; /* Hide hamburger menu by default */
    font-size: 30px;
    cursor: pointer;
    color: #bbb;
    padding: 10px;
}

/* Main Content Styling */
main {
    min-height: 100vh;  /* Ensures the main section takes up at least full screen */
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    position: relative;
}

.content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    width: 100%;
    max-width: 1200px;
    padding: 0;
}

.text {
    max-width: 50%;
    margin: 0;
    padding: 0;
}

.astronaut {
    width: 50%;
    display: flex;
    justify-content: center;
}

.astronaut img {
    max-width: 100%;
    height: auto;
}

main h1 {
    font-size: 3em;
    margin: 0;
}

main p {
    font-size: 1.2em;
    margin: 10px 0;
}

main p span {
    font-weight: bold;
    color: #f1c40f;
}

/* Prevent the appearance of black area when scrolling */
html {
    scroll-behavior: smooth;
}

/* Footer Styling */
footer {
    background-color: #111;
    color: #bbb;
    padding: 20px;
    text-align: center;
}

footer p {
    margin: 0;
    font-size: 16px;
}

footer a {
    color: #f1c40f;
    text-decoration: none;
    margin-top: 10px;
    display: inline-block;
    font-size: 16px;
}

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

/* Button Styles */
button {
    --button_radius: 0.75em;
    --button_color: #e8e8e8;
    --button_outline_color: #4caf50;
    font-size: 17px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    border-radius: var(--button_radius);
    background: var(--button_outline_color);
    padding: 0;
    margin-top: 20px;
}

.button_top {
    display: block;
    box-sizing: border-box;
    border: 2px solid var(--button_outline_color);
    border-radius: var(--button_radius);
    padding: 0.75em 1.5em;
    background: var(--button_color);
    color: var(--button_outline_color);
    transform: translateY(-0.2em);
    transition: transform 0.1s ease;
}

button:hover .button_top {
    transform: translateY(-0.33em);
}

button:active .button_top {
    transform: translateY(0);
}

/* Popup Gambar */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw; /* Memastikan popup mengambil seluruh lebar layar */
    height: 100vh; /* Memastikan popup mengambil seluruh tinggi layar */
    background-color: rgba(0, 0, 0, 0.8); /* Background transparan dengan sedikit hitam */
    padding: 0; /* Menghapus padding */
    z-index: 1000;
    text-align: center;
    border-radius: 0; /* Menghapus border-radius untuk full-screen */
}

/* Gambar dalam popup yang menutupi layar */
.popup-image {
    width: 100%;   /* Gambar mengambil 100% lebar layar */
    height: 100%;  /* Gambar mengambil 100% tinggi layar */
    object-fit: cover;  /* Memastikan gambar memenuhi area tanpa distorsi */
    border: none; /* Menghapus border */
}

/* Tombol close */
.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 30px;
    color: #fff;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.5); /* Background semi-transparan */
    padding: 10px;
    border-radius: 50%; /* Tombol close bulat */
    transition: background 0.3s ease;
}

.close-btn:hover {
    background: rgba(255, 0, 0, 0.8); /* Tombol close dengan background merah saat hover */
}

/* Gallery Styles */
.gallery {
  margin-top: 50px;
  padding: 20px;
  text-align: center;
  width: 100%;
  max-width: 100%;
}

/* Grid Container for Gallery */
.grid-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 columns for desktop */
  gap: 15px; /* Space between grid items */
  justify-items: center; /* Center images within grid items */
}

/* Grid Item Styling */
.grid-item img {
  width: 100%; /* Make images fill the grid item */
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hover Effect for Grid Images */
.grid-item img:hover {
  transform: scale(1.05); /* Zoom effect */
  opacity: 0.9;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .grid-container {
    grid-template-columns: repeat(2, 1fr); /* 2 columns for tablets */
  }
}

@media screen and (max-width: 480px) {
  .grid-container {
    grid-template-columns: 1fr; /* 1 column for mobile */
  }
}

/* Button Styles (same as the existing code) */
button {
  --button_radius: 0.75em;
  --button_color: #e8e8e8;
  --button_outline_color: #4caf50;
  font-size: 17px;
  font-weight: bold;
  border: none;
  cursor: pointer;
  border-radius: var(--button_radius);
  background: var(--button_outline_color);
  padding: 0;
  margin-top: 20px;
}

.button_top {
  display: block;
  box-sizing: border-box;
  border: 2px solid var(--button_outline_color);
  border-radius: var(--button_radius);
  padding: 0.75em 1.5em;
  background: var(--button_color);
  color: var(--button_outline_color);
  transform: translateY(-0.2em);
  transition: transform 0.1s ease;
}

button:hover .button_top {
  transform: translateY(-0.33em);
}

button:active .button_top {
  transform: translateY(0);
}