@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&family=Noto+Sans:wght@400;700&display=swap');

body {
  background: url(img/back5.jpg);
  font-family: 'Noto Sans', 'Poppins', sans-serif;
  color: #333;
}

.dark-mode {
  background-color: #181818;
  color: #fff;
}

.navbar,
.footer {
  background-color: rgba(248, 249, 250, 0.8);
  transition: background-color 0.5s, color 0.5s;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.dark-mode .navbar,
.dark-mode .footer {
  background-color: #333;
  color: #fff;
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: bold;
}

.nav-link {
  font-size: 1.1rem;
  padding: 0.5rem 1rem;
  transition: color 0.3s ease, text-decoration 0.3s ease;
  color: #555;
  position: relative;
}

.dark-mode .nav-link {
  color: #ddd;
}

.nav-link::after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  background: black;
  transition: width 0.3s ease;
  position: absolute;
  bottom: 0;
  left: 0;
}

.dark-mode .nav-link::after {
  background: white;
}

.nav-link:hover {
  color: #000;
}

.dark-mode .nav-link:hover {
  color: #fff;
}

.nav-link:hover::after {
  width: 100%;
}

.card {
  transition: background-color 0.5s, color 0.5s, box-shadow 0.3s, transform 0.3s ease;
  margin-bottom: 1rem;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.dark-mode .card {
  background-color: #444;
  color: #fff;
}

.card:hover {
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
  transform: scale(1.05);
  border: 2px solid rgba(0, 0, 0, 0.2);
}

.dark-mode .card:hover {
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
}

.card-text {
  margin-top: 0.8rem;
  font-size: 1.0rem;
  line-height: 1.7;
}

.lead {
  line-height: 1.8;
  font-weight: 350;
}

.about-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.about-content img {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 4px solid #ddd;
  width: 250px;
  height: 250px;
  object-fit: cover;
  border-radius: 50%;
  transition: box-shadow 0.3s ease;
}

.dark-mode .about-content img {
  border-color: #555;
}

.about-content img:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.about-content div {
  max-width: 950px;
}

.btn-primary,
.btn-primary:hover,
.btn-primary:focus {
  border: none;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body:not(.dark-mode) .btn-primary {
  background-color: #000;
  color: #fff;
}

body.dark-mode .btn-primary {
  background-color: #fff;
  color: #000;
}

.btn-primary {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border-radius: 5px;
}

.btn-primary:hover {
  opacity: 0.85;
}

.toggle-btn {
  background-color: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 1.5rem;
  transition: color 0.3s ease;
}

.toggle-btn:focus {
  outline: none;
}

#bio-details {
  display: none;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  font-size: 1.1rem;
}

#bio-btn {
  margin-top: 10px;
}

#coding img {
  transition: transform 0.3s ease;
  width: 100px;
  margin: 20px;
}

#coding img:hover {
  transform: scale(1.05);
}

.footer {
  padding: 2rem 0;
  text-align: center;
}

.footer span {
  font-size: 1rem;
  color: #777;
}

.dark-mode .footer span {
  color: #fff;
}

@media (max-width: 768px) {
  .about-content {
    flex-direction: column;
    text-align: center;
  }
  .about-content img {
    margin-bottom: 20px;
  }
  .navbar-brand {
    font-size: 1.5rem;
  }
  .nav-link {
    font-size: 1rem;
  }
}

ul.list-unstyled li {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

section {
  padding: 80px 0;
}

#about, #coding, #social-media {
  background-color: #f8f9fa;
}

.dark-mode #about, .dark-mode #coding, .dark-mode #social-media {
  background-color: #222;
}

#projects .card {
  margin: 20px 0;
}

#contact {
  background-color: #e9ecef;
}

.dark-mode #contact {
  background-color: #222;
}

.navbar-text {
  color: #333;
}

.dark-mode .navbar-text {
  color: #ddd;
}

.dark-mode #coding p, .dark-mode #coding h2, .dark-mode #coding h3, .dark-mode #coding ul li,
.dark-mode #social-media p, .dark-mode #social-media h2 {
  color: #fff;
}

h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 30px;
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 30px;
}

h3 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.cube-container {
  perspective: 1000px;
  width: 100px;
  height: 100px;
  margin: 20px auto;
}

.cube {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  animation: rotate 10s infinite linear;
}

.face {
  position: absolute;
  width: 100px;
  height: 100px;
  background: white;
  border: 2px solid black;
  opacity: 0.8;
}

.front {
  transform: translateZ(50px);
}

.back {
  transform: rotateY(180deg) translateZ(50px);
}

.left {
  transform: rotateY(-90deg) translateZ(50px);
}

.right {
  transform: rotateY(90deg) translateZ(50px);
}

.top {
  transform: rotateX(90deg) translateZ(50px);
}

.bottom {
  transform: rotateX(-90deg) translateZ(50px);
}

@keyframes rotate {
  from {
    transform: rotateX(0deg) rotateY(0deg);
  }
  to {
    transform: rotateX(360deg) rotateY(360deg);
  }
}

.dark-mode .face {
  background: black;
  border: 2px solid white;
}