* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  body {
  font-family: 'Space Grotesk', sans-serif ;
}

}
html {
  scroll-behavior: smooth;
  
}


body {
  
  background-size: cover;
  min-height: 100vh;
  color: #fff;
  font-family: 'font-family: 'Space Grotesk', sans-serif;';
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}
body.inst-page{
  min-height: 50vh;
}
body.intro-page {
  background: url('nasa-Q1p7bh3SHj8-unsplash.jpg') no-repeat center center fixed;
  background-size: cover;
  padding-bottom: 0%;
  padding-left: 0%;
  padding-right: 0%;
}
body.inst-page {
  background: url('nasa-Q1p7bh3SHj8-unsplash.jpg') no-repeat center center fixed;
  background-size: cover;
  padding-bottom: 0%;
  padding-left: 0%;
  padding-right: 0%;
}

body.quiz-page {
  background: url('conny-schneider-xuTJZ7uD7PI-unsplash.jpg ') no-repeat center center fixed;
  background-size: cover;
   padding-left: 0%;
  padding-right: 0%;
  
}

body.result-page {
  background: url('nasa-Q1p7bh3SHj8-unsplash.jpg') no-repeat center center fixed;
  background-size: cover;
  padding-bottom: 0%;
   padding-left: 0%;
  padding-right: 0%;
}


h1, h2, h3{
  text-align: center;
   letter-spacing: 1px;
   font-weight: 600;
    font-family: 'Playfair Display', serif;
    
}
a{
  margin-left: 30px;
}
body.inst-page h1{
  padding-top: 30px;
}

.container h1 {
  text-align: center;
  font-size: 1.4em;
  margin-bottom: 1em;
}

.result-page h1 {
  font-size: 2em;
  
}

/* Navbar styles */
.navbar {
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  width: 100%;
  flex-direction: row;
  justify-content: space-between;
  padding-top: 0%;
  align-items: center;
  border-radius: 8px;
  padding: 1.5rem;
 

  
  position: sticky;
  top: 0;
  z-index: 1000; /* makes sure it stays above other elements */
  background-color: rgba(0, 0, 0, 0.2); /* or any solid/glass color */
  backdrop-filter: blur(6px); /* optional if using glassmorphism */
}



.logo {
  font-size: 1.5rem;
  font-weight: bold;
 
}
.logo span{
  color: #f4d58e;
}
.logo::first-letter{
  font-size: 1.6em;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

.hamburger {
  font-size: 1.8rem;
  cursor: pointer;
  display: block;
  
}
.hamburger:hover {
  font-size: 1.8rem;
  cursor: pointer;
  display: block;
  color: #6f2d98;
  
}
.hamburger.active {
  color: #7b2d9d;

}
/* Nav links */
.nav-links {
  list-style: none;
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  position: absolute;
  z-index: 998;
  padding: 1rem;
  transition: all 0.3s ease-in-out
}

.nav-links li a {
  text-decoration: none;
  color: #fff;
  font-weight: 500;
  transition: color 0.3s ease;
  
}

.nav-links li a:hover {
  color: #7b2d9d;

}
 
.nav-links.active {
  display: block;
  position: absolute;
  top: 60px;
  right: 20px;
  background-color: #2e2b3a;
  padding: 1rem;
  border-radius: 8px;
  color: #7b2d9d;
  z-index: 999 ;

}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 1rem;
  }

 button {
  background-color: #7dd099;
  border: none;
  padding: 8px 18px;      /* smaller padding */
  font-size: 0.9rem;      /* smaller text */
  font-weight: 500;
  border-radius: 20px;    /* slightly rounded */
  cursor: pointer;
  transition: 0.3s ease;
}

}

@media (max-width: 600px) {
  button {
    padding: 6px 14px;
    font-size: 0.8rem;
    border-radius: 18px;
  }
}
@media (max-width: 600px) {
  .quiz-buttons {
    flex-direction: row;
   
    align-items: center;
  }



  @media (max-width: 600px) {
  .option {
    flex: 1 1 100%;          /* full width */
    padding: 8px 12px;       /* smaller padding */
    font-size: 0.85rem;      /* smaller font */
    border-radius: 10px;
  }

  .options {
    flex-direction: column;
    align-items: stretch;
  }
}


  .quiz-buttons button {
    width: 650%;
    margin: 6px 0;
  }
}



.quiz-buttons{
  display: flex;
  flex-wrap: wrap;
  width: 80%;
  justify-content: space-evenly;
}


/* Intro section */
.intro-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 2rem;
  min-height: 70vh;
  margin: 0%;
}

.intro-section h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.intro-section p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.start-btn {
  background-color: #6f2d98;
  color: #ffffff;
  padding: 0.8rem 2rem;
  text-decoration: none;
  border-radius: 30px;
  font-weight: bold;
  transition: 0.3s ease;
  margin: 0%;
  width: 40%;
  display: flex;
  flex-direction: column;
  justify-content: center;

  
 
}

.start-btn:hover {
  background-color: #9b56cd;
   transform: scale(1.05);
}

#in-btn{
  
  text-align: center;
}
.inst-btn{
  display: flex;
  justify-content: center;
}

/* Instruction, quiz, and result page containers */
.container {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-bottom: 3rem;

 
}
.inst {
    display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-family: 'Courier New', Courier, monospace;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  margin-bottom: 2rem;
  animation: fadeIn 0.5s ease;
  color: #fff;
  font-family: 'Times New Roman', Times, serif;
  font-size: 1.2em;
}

button {
  background-color: #263277;
  border: none;
  padding: 12px 30px;
  font-size: 1rem;
  font-weight: bold;
  border-radius: 30px;
  cursor: pointer;
  transition: 0.3s ease;
  color: #ffffff;
  
  text-align: center;
  margin-left: 40x;
}

button:hover {
  background-color: #4169E1;
  transform: scale(1.05);
}


.question-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-family: 'Courier New', Courier, monospace;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  margin-bottom: 2rem;
  animation: fadeIn 0.5s ease;
   font-family: 'Times New Roman', Times, serif;
  font-size: 1.2em;
}

.options {
  margin-top: 1rem;
}

.option {
  display: block;
  width: 100%;
  margin: 0.6rem 0;
  padding: 12px 18px;
  border-radius: 12px;
  background-color: rgba(255, 255, 255, 0.9);
  color: #302d2d;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  padding-left: 4em;
  padding-right: 4em;
  text-align: center;
}

.option:hover {
  background-color: #94eec4;
  transform: scale(1.03);
}



.option.correct {
  background-color: #4ade80; /* green */
  color: white;
}

.option.incorrect {
  background-color: #ef4444; /* red */
  color: white;
}

.option.disabled {
  pointer-events: none;
  opacity: 0.8;
}



/* Result Stats */
.result-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
  padding-top: 30px;
}

.result-box {
  background-color: #444;
  padding: 1rem;
  border-radius: 10px;
  width: 140px;
  text-align: center;
}

.result-box h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.correct {
  color: #4caf50;
}

.incorrect {
  color: #f44336;
}

.unattempted {
  color: #ffc107;
}

/* Back to home button */
.back-to-home{
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  padding: 20px;
}

.back-home {
  display: inline-block;
  width: 40%;
  
  margin-top: 2rem;
  text-align: center;
  padding-top: 0.8em;
  padding-bottom: 0.8em;
  margin: 0.8rem 1.5rem;
  background-color: #762ead;
  color: #ffffff;
  text-decoration: none;
  border-radius: 30px;
  font-weight: bold;
  transition: 0.3s ease;
}


.back-home:hover {
  background-color: #8a50e1;
  transform: scale(1.05);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}



@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  0% {
    opacity: 0;
    transform: translateX(-100px);  /* more distance */
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  0% {
    opacity: 0;
    transform: translateX(100px);  /* more distance */
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}


.fade-up {
  animation: fadeInUp 0.8s ease forwards;
}

/*resut animation*/
.slide-left {
  animation: slideInLeft 1s ease forwards;
}

.slide-right {
  animation: slideInRight 1s ease forwards;
}

#result-stats {
  opacity: 0;
  animation: fadeInUp 1s ease forwards;
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(50px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}


.correct-card {
  border-left: 6px solid #22c55e; /* green */
  background: rgba(34, 197, 94, 0.1);
}

.incorrect-card {
  border-left: 6px solid #ef4444; /* red */
  background: rgba(239, 68, 68, 0.1);
}

#result-message{
  display: block;
}





.foot{
  align-items: center;
  margin-bottom: 0%;
  justify-content: center;
  background-color: rgb(40, 37, 52) !important;
  margin-top: 10px;
  
}
.foot a:hover{
  transform: scale(1.1);
  box-shadow: 2.5px 2.5px 16px whitesmoke;
  transition: 1s;
}
.anchor{
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  background-color: transparent;
  padding-top: 10px;
  margin: 0%;
  
  
}
.foot h3{
  color: white;
  font-family: papyrus;
  background-color: transparent;
 
  text-align: center;
}
.foot img{
 width: 100%;
 

}
.footer p {
 
  padding-top: 10px;
  text-align: center;
  display: block;
  width: 100%;
  background-color: rgb(40, 37, 52);
}
.footer{
  background-color: rgb(40, 37, 52);
  overflow: hidden;
  max-height: fit-content;
  margin-bottom: 0%;
  position: static;
  width: 100%;
}

.foot h3{
  
  padding-top: 10px;
  font-size: o.9rem;
  margin-top: 0.11rem;
  
}

.aa{
  display: flex;
  flex-direction: row;
  border-radius: 50px;
 
  height: 35px;
  background-color: transparent;
  
  margin-bottom: 0%;
 overflow: hidden;
 
}


.wrapper{
  width: 100%;
}


/* Inside the mobile menu */
#navLinks a {
  display: block;
  text-align: center;
  margin: 1rem 0; /* Adds spacing between links */
  font-size: 1.1rem;
  text-decoration: none;
  color: white;
  position: relative;
  transition: color 0.3s ease;
}

/* Underline on hover/click */
#navLinks a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: violet;
  transition: width 0.4s ease;
}

#navLinks a:hover::after,
#navLinks a:focus::after {
  width: 100%;
}
#navLinks.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  background-color: rgba(0, 0, 0, 0.9);
  border-radius: 10px;
}