@import url("https://fonts.googleapis.com/css2?family=Catamaran&family=Grand+Hotel&display=swap");

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

html,
body {
  width: 100%;
  overflow-x: hidden;
}

.main {
  background: var(--mainDark);
}

/* class notes */
.class-notes {
  padding: 20px;
}

/* assignment qa */
.answer {
  display: none;
}

.correct {
  font-size: 20px;
  font-family: var(--headingFont);
  color: green;
}

.incorrect {
  font-size: 20px;
  font-family: var(--headingFont);
  color: red;
}

.options {
  font-family: var(--headingFont);
  font-size: 20px;
  color: #666;
}

.revealed-answer {
  font-family: var(--headingFont);
  font-size: 20px;
  color: green;
}

.reveal-button {
  font-size: 20px;
}

/* content containers */
.topic {
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.topic-title {
  font-family: var(--headingFont);
  font-size: 30px;
  color: #333;
  margin-bottom: 10px;
}

.topic-content {
  font-family: var(--headingFont);
  font-size: 20px;
  color: #666;
}

.output {
  border: 1px solid #888;
}

.output > b {
  color: red;
  padding-top: 0;
  font-size: 20px;
}

.sub-heading {
  font-weight: bold;
}

.topic-list {
  font-family: var(--headingFont);
  font-size: 20px;
  color: #666;
  margin-left: 20px;
}

/* list styling */
.topic-list {
  list-style-type: none;
  counter-reset: my-counter;
}

.topic-list > li {
  counter-increment: my-counter;
  margin-bottom: 10px;
}

.topic-list > li::before {
  content: counter(my-counter) ". ";
  font-weight: bold;
}

/* code blocks */
pre {
  background-color: #f4f4f4;
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 10px 10px 0px 4px;
  font-size: 18px;
  font-weight: bold;
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* buttons */
.reveal-button {
  color: var(--primaryColor);
  font-size: 1rem;
  animation: reveal-bounce 2s ease-in-out infinite;
  cursor: pointer;
  text-transform: uppercase;
  padding: 0.3rem 0.3rem;
  color: var(--mainDark);
  background-color: var(--primaryColor);
  font-weight: bolder;
  outline-offset: 6px;
  transition: var(--mainTransition);
}

.reveal-button:hover {
  color: var(--mainWhite);
  opacity: 0.8;
}

/* variables */
:root {
  --slantedText: "Grand Hotel", cursive;
  --headingFont: "Catamaran", sans-serif;
  --primaryColor: #698f3f;
  --secondaryColor: #fca311;
  --mainDark: #3a3e3b;
  --mainWhite: #fff;
  --mainGrey: #e5e5e5;
  --mainTransition: all 0.3s ease-in-out;
  --letterSpacing: 0.5rem;
}

/* base styles */
body {
  font-family: var(--headingFont);
  line-height: 1.5;
}

a {
  text-decoration: none;
}

.text-white {
  color: var(--mainWhite);
}

.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primaryColor);
}

/* layout */
.clearfix::after,
.clearfix::before {
  content: "";
  clear: both;
  display: table;
}

.section-center {
  padding: 4rem 0;
  width: 80vw;
  max-width: 1170px;
  margin: auto;
}

.section-subtitle {
  font-size: 2rem;
  font-family: var(--slantedText);
  letter-spacing: var(--letterSpacing);
  text-transform: capitalize;
  color: var(--primaryColor);
}

.section-title {
  font-size: 2rem;
  text-transform: uppercase;
}

/* original navigation (left) - FIXED WIDTH */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  /* Fixed width */
  height: 100%;
  z-index: 996;
  background: #373737;
  transform: translateX(-100%);
  transition: var(--mainTransition);
  overflow-y: auto;
  scrollbar-width: none;
  /* Hide scrollbar Firefox */
  -ms-overflow-style: none;
  /* Hide scrollbar IE/Edge */
}

.navbar::-webkit-scrollbar {
  display: none;
  /* Hide scrollbar Chrome/Safari */
}

.showNav {
  transform: translateX(0);
}

.nav-btn {
  position: fixed;
  z-index: 997;
  top: 1.8rem;
  left: 1.8rem;
  color: #ffd700;
  /* Pure gold color */
  font-size: 2rem;
  animation: bounce 2s ease-in-out infinite;
  cursor: pointer;
  text-shadow: 0 1px 0 #d4af37,
    /* First shadow layer (darker gold) */ 0 2px 5px rgba(0, 0, 0, 0.3);
  /* Second shadow layer (soft black) */
  transition: all 0.3s ease;
}

/* Optional: Add hover effect for extra interactivity */
.nav-btn:hover {
  color: #ffec8b;
  /* Lighter gold on hover */
  text-shadow: 0 1px 0 #ffd700, 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* Keep your existing bounce animation */
@keyframes bounce {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.2);
  }

  100% {
    transform: scale(1);
  }
}

.nav-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 2rem;
  color: var(--primaryColor);
  cursor: pointer;
}

.navbar-links {
  color: var(--primaryColor);
  font-size: 1.5rem;
  font-weight: bold;
  background-color: var(--mainWhite);
  border-radius: 20px;
  padding: 10px 20px;
  display: inline-block;
  margin: 15px 0;
}

.nav-items {
  list-style-type: none;
  padding-top: 60px;
}

.nav-link {
  display: block;
  font-size: 1.3rem;
  text-transform: uppercase;
  color: var(--mainWhite);
  padding: 0.8rem 1rem;
  transition: var(--mainTransition);
}

.nav-link:hover {
  color: #eece1a;
  padding-left: 1.2rem;
}

/* main navigation (right) - HIDDEN SCROLLBAR */
.menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  visibility: hidden;
  z-index: 999;
}

.menu.show {
  visibility: visible;
}

.menu-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100%;
  background: #373737;
  transform: translateX(100%);
  transition: var(--mainTransition);
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 80px 0;
}

.menu-nav::-webkit-scrollbar {
  display: none;
}

.menu-nav.show {
  transform: translateX(0);
}

.header-nav {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1000;
}

.menu-btn {
  position: fixed;
  z-index: 1001;
  right: 35px;
  top: 35px;
  cursor: pointer;
  color: red;
  transition: all 0.5s ease-out;
}

.menu-btn .btn-line {
  width: 28px;
  height: 3px;
  margin: 0 0 5px 0;
  transition: all 0.5s ease-out;
}

.menu-btn .btn-line {
  background: linear-gradient(
    90deg,
    #ffd700 0%,
    #ffec8b 25%,
    #ffd700 50%,
    #ffec8b 75%,
    #ffd700 100%
  );
  background-size: 200% 100%;
  animation: goldShine 3s linear infinite;
  height: 3px;
  /* Adjust thickness as needed */
  margin: 0 0 5px 0;
  border-radius: 2px;
  /* Optional: for rounded edges */
}

@keyframes goldShine {
  0% {
    background-position: 100% 0;
  }

  100% {
    background-position: -100% 0;
  }
}

.menu-btn.close {
  transform: rotate(180deg);
}

.menu-btn.close .btn-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-btn.close .btn-line:nth-child(2) {
  opacity: 0;
}

.menu-btn.close .btn-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.menu .nav-item {
  transform: translateX(100px);
  opacity: 0;
  transition: var(--mainTransition);
  padding: 1rem 0;
  text-align: center;
}

.menu .nav-item.show {
  transform: translateX(0);
  opacity: 1;
}

.menu .nav-link {
  color: white;
  font-size: 1.3rem;
  padding: 0.5rem 1rem;
  display: inline-block;
  text-transform: uppercase;
}

.menu .nav-item.current > a {
  color: #eece1a;
}

/* header/banner */
.header {
  min-height: 30vh;
  background-color: var(--mainDark);
  position: relative;
}

.banner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 100%;
  padding: 0 20px;
}

.banner-title {
  font-size: 2.2rem;
  color: white;
  margin-top: 2.5rem;
  text-transform: uppercase;
}

.banner-subtitle {
  font-size: 2rem;
  font-family: var(--slantedText);
  color: var(--primaryColor);
}

/* animations */
@keyframes reveal-bounce {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }

  100% {
    transform: scale(1);
  }
}

@keyframes bounce {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.5);
  }

  100% {
    transform: scale(1);
  }
}

@keyframes slideFromRight {
  0% {
    transform: translateX(1000px);
  }

  50% {
    transform: translateX(-200px);
  }

  75% {
    transform: translateX(50px);
  }

  100% {
    transform: translateX(0);
  }
}

@keyframes slideFromLeft {
  0% {
    transform: translateX(-1000px);
  }

  50% {
    transform: translateX(200px);
  }

  75% {
    transform: translateX(-60px);
  }

  100% {
    transform: translateX(0);
  }
}

/* responsive adjustments */
@media (max-width: 768px) {
  .navbar,
  .menu-nav {
    width: 280px;
  }

  .nav-btn {
    top: 1rem;
    left: 1rem;
  }

  .menu-btn {
    right: 20px;
    top: 20px;
  }

  .banner-title {
    font-size: 1.8rem;
  }

  .banner-subtitle {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .navbar,
  .menu-nav {
    width: 250px;
  }

  .nav-link,
  .menu .nav-link {
    font-size: 1.1rem;
  }
}

/* Footer Styles */
.footer {
  background-color: #f8f9fa;
  padding: 0.5rem 0;
  text-align: center;
  border-top: 1px solid #e9ecef;
  margin-top: 3rem;
}

.footer .section-center {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.footer .social-icons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.footer .social-icon {
  color: #495057;
  font-size: 1.5rem;
  transition: all 0.3s ease;
}

.footer .social-icon:hover {
  color: #212529;
  transform: translateY(-3px);
}

.footer .footer-text {
  color: #6c757d;
  font-size: 0.9rem;
  margin: 0;
}

.footer .text-primary {
  color: #0d6efd;
  font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .footer .social-icons {
    gap: 1rem;
  }

  .footer .social-icon {
    font-size: 1.3rem;
  }
}

.banner-title i {
  margin-right: 10px;
  color: #5383ed;
  /* Java blue color */
  font-size: 0.9em;
  /* Slightly smaller than text */
}