/* ============================
   GLOBAL BASE STYLES
============================ */
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #000;
  color: #e6e6e6;
  scroll-behavior: smooth;
  line-height: 1.6;
}

h1, h2, h3, p {
  margin: 0;
  padding: 0;
  color: #00fff7;
}

section {
  padding: 4rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

/* ============================
   BACKGROUNDS PER SECTION
============================ */
#hero, #skills, #certifications, #experience, footer {
  background: #000;
}

#about, #projects, #virtual-experience, #contact {
  background: #121212;
}

/* ============================
   HERO SECTION
============================ */
#hero {
  background: linear-gradient(135deg, #0a0a0a, #141414);
  padding: 6rem 1rem;
}

.hero-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.2rem;
  color: #cccccc;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta-buttons a {
  background: #00fff7;
  color: #000;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.3s ease;
}

.cta-buttons a:hover {
  background: #00bfa5;
}

/* ============================
   SKILLS SECTION
============================ */
/* 🛠️ Skills Section Styling */
#skills {
  background-color: #121212;
  padding: 4rem 1rem;
  text-align: center;
  color: #fff;
}

#skills h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #00fff7;
}

.skills-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.skills-grid details {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 10px;
  padding: 1rem 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 8px rgba(0, 255, 200, 0.05);
}

.skills-grid details:hover {
  box-shadow: 0 0 12px rgba(0, 255, 200, 0.2);
}

.skills-grid summary {
  font-size: 1.1rem;
  font-weight: 600;
  color: #00fff7;
  outline: none;
  cursor: pointer;
}

.skills-grid summary::-webkit-details-marker {
  display: none;
}

.skills-grid details[open] summary {
  color: #ff4fa3;
}

.skills-grid ul {
  list-style: none;
  margin: 0.8rem 0 0 1rem;
  padding: 0;
  text-align: left;
}

.skills-grid li {
  margin-bottom: 0.5rem;
  color: #dcdcdc;
  font-size: 0.95rem;
  position: relative;
  padding-left: 1rem;
}

.skills-grid li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #00fff7;
}


/* ============================
   PROJECTS SECTION
============================ */
.project-category {
  margin-top: 2rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.project-card {
  background: #1a1a1a;
  padding: 1.2rem;
  border-radius: 10px;
  border: 1px solid #2f2f2f;
  box-shadow: 0 0 10px rgba(0, 255, 200, 0.05);
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 15px rgba(0, 255, 200, 0.3);
}

.project-card p {
  font-size: 0.9rem;
  color: #cccccc;
}

/* ============================
   CERTIFICATIONS SECTION
============================ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.cert-card {
  background: #1a1a1a;
  padding: 1.2rem;
  border-radius: 10px;
  border: 1px solid #2f2f2f;
  box-shadow: 0 0 10px rgba(0, 255, 200, 0.05);
  transition: transform 0.3s ease;
}

.cert-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 15px rgba(0, 255, 200, 0.3);
}

.cert-card p {
  font-size: 0.9rem;
  color: #cccccc;
}

.cert-card.full-width {
  grid-column: span 2;
  background: #181818;
  border-left: 3px solid #00fff7;
}

/* ============================
   VIRTUAL EXPERIENCE SECTION
============================ */
.virtual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 0;
}

.virtual-grid .cert-card {
  background: #1a1a1a;
  padding: 1.2rem;
  border-radius: 10px;
  border: 1px solid #2f2f2f;
  box-shadow: 0 0 10px rgba(0, 255, 200, 0.05);
  transition: transform 0.3s ease;
}

.virtual-grid .cert-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 15px rgba(0, 255, 200, 0.3);
}

/* ============================
   INTERNSHIP / EXPERIENCE SECTION
============================ */
.experience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 2rem;
}

.exp-card {
  background: #1a1a1a;
  padding: 1.5rem;
  border-radius: 10px;
  border: 1px solid #2f2f2f;
  box-shadow: 0 0 10px rgba(0, 255, 200, 0.05);
  text-align: left;
  transition: transform 0.3s ease;
}

.exp-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 15px rgba(0, 255, 200, 0.3);
}

.exp-card p {
  color: #cccccc;
  margin-bottom: 1rem;
}

.exp-card ul {
  list-style-type: disc;
  padding-left: 1.2rem;
  color: #cccccc;
  font-size: 0.95rem;
}

/* ============================
   CONTACT SECTION & FOOTER
============================ */
/* ✅ CONTACT SECTION */
#contact {
  background: #121212;
  padding: 4rem 1rem;
  text-align: center;
}

#contact h2 {
  color: #00fff7;
  font-size: 1.8rem;
  margin-bottom: 2rem;
}

.contact-icons {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.contact-icons a {
  font-size: 2rem;
  color: #00fff7;
  transition: transform 0.3s, color 0.3s;
}

.contact-icons a:hover {
  color: #00ffee;
  transform: scale(1.2);
}

.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.contact-btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: #0f0f0f;
  color: #00fff7;
  border: 2px solid #00fff7;
  border-radius: 8px;
  font-weight: bold;
  transition: all 0.3s ease;
  text-decoration: none;
}

.contact-btn:hover {
  background: #00fff7;
  color: #121212;
  box-shadow: 0 0 10px #00fff7;
}

/* ✅ FOOTER */
footer {
  background-color: #0a0a0a;
  text-align: center;
  padding: 2rem 1rem;
  color: #888;
  font-size: 0.9rem;
}

.footer-icons {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
}

.footer-icons a {
  font-size: 1.8rem;
  color: #00fff7;
  transition: color 0.3s, text-shadow 0.3s;
}

.footer-icons a:hover {
  color: #00ffee;
  text-shadow: 0 0 8px #00fff7, 0 0 15px #00ffee;
}
/* ✅ NAVIGATION */
header {
  background: #0d0d0d;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 255, 247, 0.1);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #00fff7;
  text-shadow: 0 0 5px #00fff7;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links li a {
  color: #00fff7;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links li a:hover {
  color: #ffffff;
  text-shadow: 0 0 5px #00fff7;
}
#theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background-color: #0f0f0f;
  color: #00fff7;
  border: 2px solid #00fff7;
  border-radius: 50%;
  font-size: 1.5rem;
  padding: 0.5rem 0.6rem;
  cursor: pointer;
  z-index: 9999;
  transition: all 0.3s ease;
}

#theme-toggle:hover {
  background-color: #00fff7;
  color: #121212;
  box-shadow: 0 0 10px #00fff7;
}
body.light-mode {
  background-color: #ffffff;
  color: #000000;
}

body.light-mode section,
body.light-mode footer,
body.light-mode header {
  background-color: #f4f4f4;
  color: #000;
}

body.light-mode a {
  color: #0077cc;
}

body.light-mode .contact-btn,
body.light-mode .contact-icons a,
body.light-mode .footer-icons a {
  color: #0077cc;
  border-color: #0077cc;
}

body.light-mode .contact-btn:hover {
  background: #0077cc;
  color: #fff;
}

body.light-mode .footer-icons a:hover {
  color: #005fa3;
  text-shadow: none;
}
 /* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: #0d0d0d;
  color: #0ff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  z-index: 999;
  border-bottom: 1px solid #0ff3;
  font-family: 'Orbitron', sans-serif;
}

.logo {
  font-size: 1.4rem;
  letter-spacing: 1px;
}

/* Hamburger Icon */
.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  height: 3px;
  width: 25px;
  background: #0ff;
  display: block;
  transition: 0.3s;
  border-radius: 3px;
}

/* Navigation Links */
.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-menu a {
  text-decoration: none;
  color: #0ff;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: #fff;
}

/* Responsive Styling */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 70px;
    right: 0;
    background: #111;
    flex-direction: column;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
    z-index: 1000;
  }

  .nav-menu.open {
    max-height: 500px;
    border-top: 1px solid #0ff3;
  }

  .nav-menu a {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid #0ff1;
  }
}
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
}
/*/* Desktop view (default) */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: #111;
  color: #0ff;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-menu a {
  color: #0ff;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: #fff;
}

.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: #0ff;
  border-radius: 3px;
  transition: 0.3s;
}

/* Mobile view */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 70px;
    right: 0;
    flex-direction: column;
    background: #111;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-menu.open {
    max-height: 400px;
    border-top: 1px solid #0ff3;
  }

  .nav-menu a {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid #0ff1;
  }
}