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

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #e0eafc, #cfdef3);
    color: #333;
    line-height: 1.6;
}

/* Main Header */
#main-header {
    background-image: url('images/winter.jpg'); 
    background-size: cover; /* Ensure the image covers the entire header */
    background-position: center; /* Center the image */
    color: #fff;
    padding: 4rem 1rem; /* Adjust padding for better spacing */
    text-align: center;
    position: relative; /* To position the background overlay */
    height: 100vh; /* Ensure header covers the full height of the viewport */
}

/* Overlay for both light and dark themes */
#main-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%; /* Ensure the overlay spans the entire header */
    height: 100%; /* Make sure the overlay covers the entire header */
    z-index: -1; /* Place the overlay behind the text */
    transition: background 0.3s ease; /* Smooth transition for overlay */
}

/* Light Mode Overlay */
body.light-mode #main-header::before {
    background: rgba(255, 255, 255, 0.6); /* Lighter overlay for light theme */
}

/* Dark Mode Overlay */
body.dark-mode #main-header::before {
    background: rgba(0, 0, 0, 0.6); /* Darker overlay for dark theme */
}

/* Text Styling for Main Header */
#main-header h1, #main-header p, #countdown {
    z-index: 1;
    position: relative; /* Ensure text is on top of the overlay */
    padding: 1rem 2rem;
    border-radius: 10px; /* Round corners for a soft look */
    font-weight: bold;
    font-family: 'Times New Roman', Times, serif;
    font-size: 13rem;
    text-align: center;
    color: #d4af37; /* Golden hue for elegance */
    text-shadow: 2px 2px 4px #000000; /* Subtle shadow for depth */
    letter-spacing: 2px;
    display: inline-block;
    padding-bottom: 10px;
}

/* Main Header Title */
#main-header h1 {
    font-size: 3rem; /* Adjusted font size for better balance */
    color: #ffffff; /* Golden color for the header */
    margin-top: 500px;
    text-transform: uppercase;
    background-color: rgba(4, 23, 59, 0.5);
    padding: 0%;
    font-family: 'Poppins', sans-serif;
}

/* Main Header Subtitle or Description */
#main-header p {
    font-size: 1.1rem; /* Adjusted font size */
    color: #fff;
    max-width: 800px;
    margin: 0 auto;
}

/* Countdown Text */
#countdown {
    font-size: 1.8rem; /* Adjust countdown font size */
    color: #ff8c00;
    font-weight: bold;
    text-align: center;
    background-color: rgba(20, 49, 104, 0.5);
}

/* Countdown Box */
#countdown-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.6);
    padding: 1rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Navigation */
nav {
    padding: 1rem 0; /* Adjust padding for spacing */
    margin-top: -620px;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1rem 2rem;
    background-color: rgba(20, 49, 104, 0.5); /* 50% opacity */
}

nav ul li a {
    text-decoration: none;
    font-size: 1.2rem;
    color: #fff; /* White text to contrast with the background */
    transition: color 0.3s ease;
    font-weight: 100;
    padding: 1rem;
    border-radius: 12px;
}

nav ul li a:hover {
    color: #ff9800; /* Change color on hover */
}

/* Sections */
section {
    margin: 3rem auto;
    padding: 2rem;
    width: 90%;
    max-width: 1400px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(60, 157, 241, 0.2);
    transition: transform 0.3s ease;
}

section:hover {
    transform: translateY(-5px);
}

section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #2c87d7;
    display: inline-block;
}

/* Footer */
footer {
    background: #000428;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    margin-top: 0; /* Remove extra spacing */
}

footer a {
    color: #ff9800;
    text-decoration: none;
}

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

/* Back to Top */
#back-to-top {
    background: #003366;
    color: white;
    text-align: center;
    cursor: pointer;
    padding: 1rem;
    margin: 0; /* Remove margin */
}

/* Theme Switcher */
#theme-switcher {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    padding: 0.7rem 2rem;
    background: linear-gradient(135deg, #ff9800, #ff5722);
    color: white;
    border: none;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

#theme-switcher:hover {
    background: linear-gradient(135deg, #ff5722, #ff9800);
    transform: scale(1.05);
}

/* Snowfall Effect */
.snowflake {
    position: fixed;
    top: -10px;
    z-index: 9999;
    pointer-events: none;
    user-select: none;
    font-size: 1.5rem;
    color: #fff;
    animation: snowfall 10s linear infinite;
}

@keyframes snowfall {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(50px) translateY(100vh);
    }
}

/* Dark Mode Styles */
body.dark-mode {
    background: linear-gradient(135deg, #121212, #333333);
    color: #f4f4f4;
}

body.dark-mode #main-header {
    background-image: url('images/winter.jpg');
    background-size: cover;
    background-position: center;
}

body.dark-mode section {
    background: rgba(0, 0, 0, 0);
    color: #f4f4f4;
}

body.dark-mode footer {
    background: #1b1b1b;
}

body.dark-mode nav ul li a {
    color: #f4f4f4;
}

body.dark-mode nav ul li a:hover {
    color: #ff9800;
}

body.dark-mode .snowflake {
    color: #b0e0e6;
}

body.dark-mode #hemispheres {
    background: rgba(0, 0, 0, 0);
    color: #f4f4f4;
}

body.dark-mode #northern-hemisphere {
    background: rgba(0, 0, 0, 0);
    color: #ffffff;
}

body.dark-mode #southern-hemisphere {
    background: rgba(0, 0, 0, 0);
    color: #ffffff;
}
body.dark-mode #hemispheres article {
    box-shadow: 0 10px 20px rgba(60, 157, 241, 0.2);
    color: white;
}

body.dark-mode .hemisphere p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #fff9f9;
}

body.dark-mode #celebrations{
    background: rgba(0, 0, 0, 0);
}

body.dark-mode #celebrations article {
    box-shadow: 0 10px 20px rgba(60, 157, 241, 0.2);
    color: white;
}

body.dark-mode .celebration p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #fff9f9;
}

body.dark-mode #newgrange{
    background: rgba(0, 0, 0, 0);
}

body.dark-mode #stonehenge{
    background: rgba(0, 0, 0, 0);
}

body.dark-mode #chichenitza{
    background: rgba(0, 0, 0, 0);
}

body.dark-mode #japan{
    background: rgba(0, 0, 0, 0);
}

body.dark-mode #traditions{
    background: rgba(0, 0, 0, 0);
    box-shadow: 0 10px 20px rgba(60, 157, 241, 0.2);
    color: white;
}

body.dark-mode #traditions li {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #ffffff;
    margin-bottom: 1.2rem;
    padding-left: 1.5rem;
    position: relative;
}

body.dark-mode #conclusion{
    background: rgba(0, 0, 0, 0);
    box-shadow: 0 10px 20px rgba(60, 157, 241, 0.2);
    color: white;
}
body.dark-mode #conclusion p{
    color: white;
}
/* Light Mode Styles */
body.light-mode {
    background: linear-gradient(135deg, #f0f4f7, #ffffff);
    color: #333;
}

body.light-mode #main-header {
    background-image: url('images/winter.jpg');
    background-size: cover;
    background-position: center;
}

body.light-mode section {
    background: rgba(255, 255, 255, 0.9);
    color: #333;
}

body.light-mode footer {
    background: #003366;
}

body.light-mode nav ul li a {
    color: #004e92;
}

body.light-mode nav ul li a:hover {
    color: #ff9800;
}

body.light-mode .snowflake {
    color: #b0e0e6;
}

/* Responsiveness */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
    }

    section {
        padding: 1.5rem;
    }

    #theme-switcher {
        bottom: 0.5rem;
        right: 0.5rem;
    }

    #countdown-container {
        top: 1rem;
        right: 1rem;
        padding: 0.5rem;
    }

    #countdown {
        font-size: 1.5rem;
    }
}

#science{
    height: 600px;
    max-width: 570px;
}

#science-div{
    padding: 2%;
    display: flex;
    gap: 30px;
}
#science1 img{
    display: flex;
    align-items: center;
    justify-content: center;
    height: 550px;
    width: 850px;
    
}
#science1{
    background-color: #02203e;
    border-radius: 2%;
}
#img{
    width: 1600px;
}

/* Styling for the celebrations section */
#celebrations {
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 10 auto;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

#celebrations h2 {
    font-size: 2.5rem;
    color: #2c87d7;
    margin-bottom: 2rem;
    text-align: center;
    text-transform: uppercase;
}

.celebration {
    margin-bottom: 2rem;
}

.celebration h3 {
    font-size: 2rem;
    color:  #2c87d7;
    margin-bottom: 1rem;
    font-family: 'Poppins', sans-serif;
    text-transform: capitalize;
}

.celebration p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333;
}

.celebration span {
    font-weight: bold;
}

/* Styling for specific highlighted spans in text */
.celebration span[style*="color: #ff8c00"] {
    color: #ff8c00;
}

#celebrations article {
    background: rgba(240, 240, 240, 0.8);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

#celebrations article:hover {
    transform: translateY(-5px);
}
/* Additional styling for the hemisphere section */
#hemispheres {
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

#hemispheres h2 {
    font-size: 2.5rem;
    color: #2c87d7;
    margin-bottom: 2rem;
    text-align: center;
    text-transform: uppercase;
}

.hemisphere {
    margin-bottom: 2rem;
}

.hemisphere h3 {
    font-size: 2rem;
    color: #2c87d7;
    margin-bottom: 1rem;
    font-family: 'Poppins', sans-serif;
    text-transform: capitalize;
}

.hemisphere p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #000000;
}

.hemisphere span {
    font-weight: bold;

}

/* Styling for specific highlighted spans in text */
.hemisphere span[style*="font-size: 1.2rem"] {
    font-size: 1.2rem;
    font-weight: bold;
    color: #d4af37;
}


.hemisphere span[style*="color: #ff8c00"] {
    color: #ff8c00;
} 

#hemispheres article {
    background: rgba(240, 240, 240, 0.8);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

#hemispheres article:hover {
    transform: translateY(-5px);
}
/* Styling for the traditions section */
#traditions {
    padding: 2.5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

#traditions h2 {
    font-size: 2.5rem;
    color: #d4af37;
    margin-bottom: 1.5rem;
    text-align: center;
    text-transform: uppercase;
    font-family: 'Poppins', sans-serif;
}

#traditions ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#traditions li {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #333;
    margin-bottom: 1.2rem;
    padding-left: 1.5rem;
    position: relative;
}

#traditions li::before {
    content: "✔";
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: 0;
    color: #ff8c00;
}

#traditions li strong {
    font-weight: bold;
    color: #2c87d7;
}
/* Styling for the conclusion section */
#conclusion {
    padding: 2.5rem 2rem;
    max-width: 1200px;
    margin: 10 auto;
    background-color: #f0f8ff;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

#conclusion h2 {
    font-size: 2.5rem;
    color: #d4af37;
    text-align: center;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    font-family: 'Poppins', sans-serif;
}

#conclusion p {
    font-size: 1.2rem;
    color: #333;
    line-height: 1.8;
    margin-bottom: 1rem;
    text-align: justify;
}

#ireland-div {
    display: flex;
    gap: 20px;
}

#uk-div{
    display: flex;
    gap: 20px;
}

#mexico-div{
    display: flex;
    gap: 20px;
}

#japan-div{
    display: flex;
    gap: 20px;
}


button {
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    background: #fbc811;
    color: rgb(0, 0, 0);
    border: none;
    border-radius: 5px;
  }
  
  button:hover {
    background: #ffc800;
  }
  
  /* Modal Styles */
  .modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 10;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.8);
  }
  
  /* Slideshow Styles */
  .slideshow-container {
    position: relative;
    width: 80%;
    margin: 50px auto;
    max-height: 500px;
  }
  
  .slide {
    display: none;
  }
  
  .slide img {
    width: 100%;
    border-radius: 10px;
  }
  
  /* Navigation Buttons */
  .prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 10px;
    margin-top: -22px;
    color: white;
    font-weight: bold;
    font-size: 20px;
    transition: 0.3s;
    user-select: none;
  }
  
  .prev {
    left: 10px;
  }
  
  .next {
    right: 10px;
  }
  
  .prev:hover, .next:hover {
    background-color: rgba(0, 0, 0, 0.8);
    border-radius: 50%;
  }
  
  /* Close Button */
  .close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: white;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
  }
  
  .close:hover {
    color: #ccc;
  }
  
  /* Fading Animation */
  .fade {
    animation: fadeEffect 1.5s;
  }
  
  @keyframes fadeEffect {
    from {
      opacity: 0.4;
    }
    to {
      opacity: 1;
    }
  }