/* ===== Reset and Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #f9f9f9, #e3f2fd);
  color: #000;
  overflow-x: hidden;
}

/* ====== Particles Container ====== */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  background: #eef2ff;
  z-index: -1;
  top: 0;
  left: 0;
}

/* ====== Main Content ====== */
main {
  position: relative;
  z-index: 1;
}

/* ====== Navbar ====== */
nav {
  background: #fff;
  padding: 1rem 2rem;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.navbar {
  display: flex;
  list-style: none;
  gap: 2rem;
  font-weight: 600;
}

.navbar a {
  text-decoration: none;
  color: #333;
  padding-bottom: 5px;
  transition: all 0.3s ease;
}

.navbar a.active {
  color: #6c63ff;
  border-bottom: 3px solid #6c63ff;
}

/* ====== Hero Section ====== */
.hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: 4rem 6rem;
  min-height: 100vh;
}

.intro-text h1 {
  font-size: 3rem;
  line-height: 1.4;
  color: #0a1034;
}

.orange {
  color: #ff9800;
}

.red {
  color: #e91e63;
  font-weight: bold;
}

.intro-text p {
  font-size: 1.5rem;
  margin: 1rem 0;
}

.btn {
  display: inline-block;
  margin: 1.5rem 0;
  padding: 0.8rem 1.8rem;
  background: #6c63ff;
  color: #fff;
  border-radius: 40px;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.3s ease;
  cursor: pointer;
  min-height: 48px;
  min-width: 48px;
}

.btn:hover {
  background: #5f27cd;
}

.social-icons {
  margin-top: 1.5rem;
  display: flex;
  gap: 1.2rem;
}

.social-icons a {
  text-decoration: none;
  font-size: 1.4rem;
  color: #000;
  background: #eee;
  padding: 0.7rem;
  border-radius: 50%;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.social-icons a:hover {
  background: #d1d1d1;
  color: #6c63ff;
  transform: scale(1.1);
}

.hero-image img {
  width: 340px;
  height: 340px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

/* ====== About Section ====== */
.about-section {
  padding: 4rem 2rem;
  background: #fff;
  color: #333;
}

.about-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.about-img img {
  width: 300px;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.about-text {
  flex: 1;
  max-width: 600px;
  color: #222;
  animation: slideUp 1s ease forwards;
  opacity: 0;
  transform: translateY(40px);
}

.about-text h2 {
  font-size: 2.5rem;
  color: #000;
  margin-bottom: 0.5rem;
}

.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 0.3rem;
  font-weight: bold;
}

.about-text .name-purple {
  color: #6c63ff;
}

.about-text .title {
  font-size: 1.1rem;
  font-weight: bold;
  color: #3f51b5;
  margin-bottom: 1rem;
}

.about-text p {
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.6;
}

.about-text a {
  color: #3f51b5;
  text-decoration: none;
}

.about-text a:hover {
  text-decoration: underline;
}

/* ===== Skills Section ===== */
.skills-section {
  padding: 50px 20px;
  background: linear-gradient(180deg, #4b0082, #5f0ebc);
  color: white;
  text-align: center;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 25px;
  margin-top: 40px;
  max-width: 1200px;
  margin-inline: auto;
}

.skill-card {
  background-color: #0b0624;
  border-radius: 12px;
  padding: 20px;
  font-weight: 500;
  font-size: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card img {
  width: 50px;
  height: 50px;
  margin-bottom: 15px;
}

.skill-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

/* ===== Education Section ===== */
.education-section {
  padding: 3rem 1rem;
  background: #edf3ff;
  text-align: center;
  opacity: 0;
  transform: translateY(-50px);
  transition: all 0.8s ease;
}

.education-section.show {
  opacity: 1;
  transform: translateY(0);
}

.edu-card {
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  margin: 1.5rem auto;
  max-width: 1000px;
  border-radius: 10px;
  padding: 1.5rem;
  gap: 1rem;
}

.edu-img {
  width: 250px;
  border-radius: 10px;
}

.edu-content h3 {
  font-size: 1.4rem;
  color: #002366;
  margin-bottom: 0.5rem;
}

.status {
  font-weight: bold;
  margin-top: 0.5rem;
}

.status.pursuing {
  color: green;
}

.status.completed {
  color: darkgreen;
}

/* ===== Project Section ===== */
.projects-section {
  background: #020230;
  padding: 60px 20px;
  text-align: center;
}

.projects-section h2 {
  font-size: 36px;
  color: #fff;
  margin-bottom: 40px;
}

.projects-section .highlight-yellow {
  color: #ffd700;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: auto;
}

.project-card {
  background: #fff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease;
  position: relative;
  cursor: pointer;
}

.project-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.project-card:hover {
  transform: scale(1.05);
}

.project-title {
  background: #ffd700;
  font-weight: bold;
  font-size: 18px;
  padding: 10px 15px;
  color: #000;
  text-align: left;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 20px;
  height: 100%;
  width: 100%;
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 0.4s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.btn-view {
  background-color: #ffd700;
  color: #000;
  padding: 8px 15px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.btn-view:hover {
  background-color: #fff;
  color: #111;
}

/* ===== Footer ===== */
.footer {
  background: #000;
  color: #fff;
  padding: 50px 20px;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1200px;
  margin: auto;
  gap: 30px;
}

.footer-column {
  flex: 1;
  min-width: 250px;
}

.footer-column h3 {
  font-size: 24px;
  margin-bottom: 20px;
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column ul li a {
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  transition: 0.3s;
}

.footer-column ul li a:hover {
  color: #ffd700;
}

.footer-social a {
  display: inline-block;
  background: #ddd;
  color: #000;
  padding: 10px;
  margin: 10px 10px 0 0;
  border-radius: 50%;
  font-size: 18px;
  transition: 0.3s;
}

.footer-social a:hover {
  background: #ffd700;
  color: #000;
}

/* ===== Scroll To Top Button ===== */
#scrollToTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #ffd700;
  color: #000;
  border: none;
  outline: none;
  padding: 15px;
  border-radius: 50%;
  font-size: 18px;
  z-index: 999;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  transition: background 0.3s;
}

#scrollToTopBtn:hover {
  background: #fff;
}

/* ===== Animations ===== */
@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.slide-down {
  opacity: 0;
  transform: translateY(-40px);
  transition: 0.6s ease-out;
}

.slide-down.show {
  animation: slideDownFade 0.7s ease-out forwards;
}

/* ===== Responsive Design ===== */
@media screen and (max-width: 768px) {
  .hero,
  .about-container {
    flex-direction: column;
    text-align: center;
    padding: 2rem;
  }

  .hero-image {
    margin-top: 2rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .edu-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .edu-img {
    width: 100%;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card img {
    height: 200px;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }

  h2 {
    font-size: 1.8rem;
  }

  h3 {
    font-size: 1.2rem;
  }

  .btn {
    font-size: 16px;
    padding: 10px 25px;
  }
}