/* Global Styles */
:root {
  --bg-color: #ffffff;
  --text-color: #333;
  --accent-color: #0077ff;
  --bg-dark: #121212;
  --text-dark: #f0f0f0;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  transition: background 0.3s, color 0.3s;
}

.dark-mode {
  background: var(--bg-dark);
  color: var(--text-dark);
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  background: inherit;
  z-index: 1000;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
}
.nav-links li a {
  text-decoration: none;
  color: inherit;
}
.hamburger {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}
.theme-toggle {
  margin-left: 1rem;
  cursor: pointer;
  border: none;
  background: none;
  font-size: 1.2rem;
}


/* Hero Section */
.hero {
  background: linear-gradient(135deg, #0077b5, #00aaff);
  color: white;
  padding: 6rem 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
  max-width: 1200px;
}

.hero-text {
  max-width: 600px;
  text-align: left;
}

.hero-text h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.hero-text h1 .highlight {
  color: #ffd700; /* golden accent */
}

.hero-text h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  font-weight: 400;
}

.hero-text p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.hero .cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  background: #ffd700;
  color: #0077b5;
  padding: 0.7rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s, background 0.3s;
}

.btn:hover {
  transform: translateY(-3px);
  background: #ffbf00;
}

.btn-outline {
  background: transparent;
  border: 2px solid #ffd700;
  color: #ffd700;
}

.btn-outline:hover {
  background: #ffd700;
  color: #0077b5;
}

/* Hero Image */
.hero-image img {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  border: 4px solid white;
  object-fit: cover;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}


/* About Section */
.about {
  display: flex;
  justify-content: center;
  padding: 6rem 2rem;
  background: linear-gradient(135deg, #e0f7fa, #f0f8ff);
}

.about-card {
  position: relative;
  max-width: 800px;
  padding: 3rem 2rem;
  border-radius: 25px;
  background: linear-gradient(145deg, #ffffff, #f9f9f9);
  box-shadow: 0 15px 35px rgba(0,0,0,0.12);
  text-align: center;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  overflow: hidden;
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 60px rgba(0,0,0,0.18);
}

/* Decorative accent circle */
.about-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: rgba(0, 119, 181, 0.1);
  border-radius: 50%;
  z-index: 0;
}

.about-card h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  position: relative;
  display: block;
}

.about-card h2::after {
  content: "";
  display: block;
  width: 80px;
  height: 3px;
  background: #0077b5;
  margin: 0.5rem auto 0;
  border-radius: 2px;
}

.about-card p {
  font-size: 1.2rem;
  line-height: 2;
  color: #333;
  letter-spacing: 0.3px;
  z-index: 1;
  position: relative;
}

/* Highlight key skills with bullets */
.about-bullets {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: 1.1rem;
}

.about-bullets span {
  background: #0077b5;
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-weight: 500;
  transition: transform 0.3s ease, background 0.3s ease;
}

.about-bullets span:hover {
  transform: translateY(-3px);
  background: #005983;
}

/* Responsive */
@media(max-width: 768px) {
  .about-card {
    padding: 2.5rem 1.5rem;
  }
  .about-card h2 { font-size: 2rem; }
  .about-card p { font-size: 1.05rem; }
  .about-bullets { gap: 0.8rem; font-size: 1rem; }
}



/* Social Buttons */
.social-links {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, background 0.3s;
  color: white;
}

.social-btn img {
  width: 20px;
  height: 20px;
}



/* About Section */
.about {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  background: var(--card-bg, #ffffff);
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: background 0.3s, box-shadow 0.3s;
}

.about h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
  padding-bottom: 0.5rem;
}

.about h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: #0077b5; /* accent color */
  border-radius: 2px;
}

.about p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #444;
  margin-top: 1rem;
}




/* Skills Section */
.skills {
  text-align: center;
  padding: 3rem 1.5rem;
}

.skills h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
  padding-bottom: 0.5rem;
}

.skills h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: #0077b5; /* accent color */
  border-radius: 2px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.skill-card {
  background: var(--card-bg, #ffffff);
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s, box-shadow 0.3s;
}

.skill-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.skill-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: #0077b5;
}

.skill-card p {
  font-size: 1rem;
  color: #444;
}


/* Projects Section */
.projects {
  text-align: center;
  padding: 5rem 1.5rem;
  background: #f0f8ff;
}

.projects h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
  padding-bottom: 0.5rem;
}

.projects h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 3px;
  background: #0077b5;
  border-radius: 2px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

/* Project Card */
.project-card {
  background: #ffffff;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  text-align: left;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  border-top: 4px solid #0077b5;
}

.project-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
  background: linear-gradient(145deg, #f0f8ff, #e0f7fa);
}

.project-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: #0077b5;
}

.project-card p {
  font-size: 1.05rem;
  color: #444;
  margin: 0.5rem 0;
}

/* Tech Tags */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.8rem 0 1.2rem 0;
}

.tech-tags span {
  background: #0077b5;
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: transform 0.2s, background 0.3s;
}

.tech-tags span:hover {
  transform: translateY(-2px);
  background: #005983;
}

/* GitHub Button */
.github-btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: #24292e;
  color: #fff;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.3s, transform 0.2s;
}

.github-btn:hover {
  background: #000;
  transform: translateY(-2px);
}

/* Responsive */
@media(max-width: 768px) {
  .projects h2 { font-size: 2rem; }
  .project-card { padding: 1.8rem; }
  .project-card h3 { font-size: 1.3rem; }
}



/* Contact Section */
.contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 6rem 2rem;
  background: linear-gradient(135deg, #0077b5, #00aaff);
  position: relative;
  overflow: hidden;
  color: white;
}

/* Optional: Floating abstract shapes */
.contact::before, .contact::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
  z-index: 0;
}

.contact::before {
  width: 300px;
  height: 300px;
  background: #ffd700;
  top: -100px;
  left: -100px;
}

.contact::after {
  width: 400px;
  height: 400px;
  background: #ffffff;
  bottom: -150px;
  right: -150px;
}

/* Contact Form Card */

.contact-card {
  position: relative;
  max-width: 600px;
  width: 100%;
  padding: 2.5rem;
  border-radius: 25px;
  background: rgba(255,255,255,0.95);
  box-shadow: 0 15px 35px rgba(0,0,0,0.15);
  z-index: 1; /* makes sure it appears above shapes */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 60px rgba(0,0,0,0.2);
}


#contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

#contact-form input,
#contact-form textarea {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid #ccc;
  font-size: 1rem;
  transition: border 0.3s ease, box-shadow 0.3s ease;
}

#contact-form input:focus,
#contact-form textarea:focus {
  border-color: #0077b5;
  box-shadow: 0 0 10px rgba(0, 119, 181, 0.2);
  outline: none;
}

#contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

#contact-form button {
  padding: 0.8rem 1.5rem;
  border-radius: 12px;
  border: none;
  background: #0077b5;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

#contact-form button:hover {
  background: #005983;
  transform: translateY(-3px);
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  background: #0077b5;
  color: white;
  font-weight: 500;
}

footer p {
  margin: 0;
  font-size: 0.95rem;
}

/* Responsive */
@media(max-width:768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    right: 10px;
    background: inherit;
    padding: 1rem;
    border-radius: 5px;
  }
  .nav-links.show {
    display: flex;
  }
  .hamburger {
    display: block;
  }
}