/* ===== CSS Variables ===== */
:root {
  --bg-color: #050505;
  --bg-secondary: #0a0a0a;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --neon-cyan: #00f0ff;
  --neon-cyan-glow: rgba(0, 240, 255, 0.3);
  --border-color: #1a1a1a;
  --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --transition: all 0.3s ease;
}

/* ===== Global Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(5, 5, 5, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 5%;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.logo {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--neon-cyan);
  text-decoration: none;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--neon-cyan);
  transition: var(--transition);
  box-shadow: 0 0 10px var(--neon-cyan);
}

.nav-links a:hover {
  color: var(--neon-cyan);
}

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

/* ===== Hero Section ===== */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 5%;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  letter-spacing: 3px;
  text-shadow: 0 0 20px var(--neon-cyan-glow);
}

.hero-title {
  font-size: 1.8rem;
  color: var(--neon-cyan);
  margin-bottom: 1.5rem;
  font-weight: 600;
  letter-spacing: 2px;
}

.hero-tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

.hero-buttons {
  margin-top: 2.5rem;
  display: flex;
  gap: 1.5rem;
}

.btn {
  padding: 12px 30px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 5px;
  transition: var(--transition);
  cursor: pointer;
  display: inline-block;
  border: 2px solid var(--neon-cyan);
  background: transparent;
  color: var(--neon-cyan);
  letter-spacing: 1px;
}
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.btn:hover {
  background-color: var(--neon-cyan);
  color: var(--bg-color);
  box-shadow: 0 0 20px var(--neon-cyan-glow);
  transform: translateY(-2px);
}

/* ===== Section Styles ===== */
section {
  padding: 80px 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-primary);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
}

/* ===== About Section ===== */
.about {
  background-color: var(--bg-secondary);
  max-width: 100%;
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

/* ===== Skills Section ===== */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.skill-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2rem;
  text-align: center;
  border-radius: 10px;
  transition: var(--transition);
  cursor: default;
}

.skill-card:hover {
  border-color: var(--neon-cyan);
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0, 240, 255, 0.1);
}

.skill-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--neon-cyan);
}

.skill-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== Projects Section ===== */
.projects {
  background-color: var(--bg-secondary);
  max-width: 100%;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
}

.project-card {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  border-color: var(--neon-cyan);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.15);
}

.project-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-color);
}

.project-image span {
  color: var(--text-secondary);
  font-size: 3rem;
}

.project-info {
  padding: 1.5rem;
}

.project-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.project-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.project-buttons {
  display: flex;
  gap: 1rem;
}

.project-buttons .btn {
  padding: 8px 20px;
  font-size: 0.9rem;
  flex: 1;
  text-align: center;
}

/* ===== Contact Section ===== */
.contact {
  max-width: 900px;
  margin: 0 auto;
}

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

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 10px;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--neon-cyan);
  transform: translateY(-5px);
}

.contact-card h3 {
  color: var(--neon-cyan);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.contact-card p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.contact-card a {
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.contact-card a:hover {
  color: var(--neon-cyan);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
  font-family: var(--font-main);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan-glow);
}

.form-group textarea {
  height: 150px;
  resize: vertical;
}

.submit-btn {
  width: 100%;
  padding: 15px;
  background: transparent;
  border: 2px solid var(--neon-cyan);
  color: var(--neon-cyan);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 1px;
}

.submit-btn:hover {
  background-color: var(--neon-cyan);
  color: var(--bg-color);
  box-shadow: 0 0 20px var(--neon-cyan-glow);
}

/* ===== Footer ===== */
footer {
  background-color: var(--bg-secondary);
  padding: 2rem 5%;
  text-align: center;
  border-top: 2px solid var(--accent-navy);
  box-shadow: 0 -2px 10px var(--accent-navy-glow);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

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

.footer-social a {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: 2px solid var(--accent-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: var(--transition);
  background-color: var(--bg-color);
  text-decoration: none;
}

.footer-social a:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-5px) rotate(360deg);
  box-shadow: 0 5px 20px var(--accent-gold-glow);
}

footer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}


/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero-title {
    font-size: 1.4rem;
  }
  
  .hero-tagline {
    font-size: 1rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .skills-container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .skills-container {
    grid-template-columns: 1fr;
  }
  
  section {
    padding: 60px 5%;
  }
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
  background: var(--neon-cyan);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neon-cyan-glow);
}