/* Custom CSS Properties - Space/Nebula Theme */
:root {
  /* Colors */
  --bg-dark: #020617; /* Very Dark Blue/Black */
  --bg-nav: rgba(2, 6, 23, 0.7);
  --glass-bg: rgba(30, 41, 59, 0.4);
  --glass-border: rgba(148, 163, 184, 0.15);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  
  --accent-purple: #8b5cf6;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  
  /* Gradients */
  --primary-gradient: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
  --glow-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
  
  /* Layout */
  --max-width: 1200px;
  --radius: 16px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.highlight {
  color: var(--accent-cyan);
}

/* Utilities */
.section-padding {
  padding: 100px 5%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: var(--glow-shadow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.6);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--accent-purple);
}

.btn-secondary:hover {
  background: rgba(139, 92, 246, 0.1);
  transform: translateY(-2px);
}

/* Background Effects (Nebula / Stars) */
.stars-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
  overflow: hidden;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-nav);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
  padding: 15px 5%;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.dot {
  color: var(--accent-purple);
}

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

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

.hamburger {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px; /* Offset for nav */
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  width: 100%;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.badge {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-cyan);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.title {
  font-size: clamp(3rem, 5vw, 5rem);
  margin: 0;
}

.subtitle {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--text-secondary);
  font-weight: 500;
}

.tagline {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: 10px;
}

.cta-group {
  display: flex;
  gap: 15px;
  margin-top: 10px;
}

/* Interactive Space Graphic */
.hero-visual {
  position: relative;
  height: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.galaxy {
  position: relative;
  width: 300px;
  height: 300px;
}

.planet {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #3b82f6, #020617);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.4), inset -20px -20px 40px rgba(0, 0, 0, 0.8);
  z-index: 10;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px dashed rgba(148, 163, 184, 0.3);
  animation: rotate linear infinite;
}

.orbit-1 {
  width: 240px;
  height: 240px;
  animation-duration: 15s;
}

.orbit-2 {
  width: 380px;
  height: 380px;
  animation-duration: 25s;
  animation-direction: reverse;
}

.satellite {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 30px;
  background: var(--glass-bg);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-primary);
}

.sat-2 {
  top: 50%;
  left: -15px;
  transform: translateY(-50%);
  color: #fbbf24;
}

@keyframes rotate {
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Section Titles */
.section-title {
  margin-bottom: 50px;
  text-align: center;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.section-title .line {
  width: 60px;
  height: 4px;
  background: var(--primary-gradient);
  margin: 0 auto;
  border-radius: 2px;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
}

.about-card {
  padding: 40px;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.about-card p {
  margin-bottom: 20px;
}

.about-card strong {
  color: var(--text-primary);
}

.about-card i.ph-quotes {
  font-size: 3rem;
  color: rgba(139, 92, 246, 0.3);
  margin-bottom: 20px;
  display: block;
}

.about-stats {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 30px;
}

.stat {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 1.2rem;
  font-weight: 500;
}

.stat i {
  font-size: 2rem;
  color: var(--accent-cyan);
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.project-card {
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.project-icon {
  width: 60px;
  height: 60px;
  background: rgba(139, 92, 246, 0.1);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
}

.project-icon i {
  font-size: 2rem;
  color: var(--accent-purple);
}

.project-content h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.project-content p {
  color: var(--text-secondary);
  margin-bottom: 25px;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.tech-tag {
  font-size: 0.85rem;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-links {
  border-top: 1px solid var(--glass-border);
  padding-top: 20px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.project-link:hover {
  color: var(--accent-blue);
}

/* Skills Section */
.skills-container {
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.skill-category h3 {
  margin-bottom: 25px;
  font-size: 1.3rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 10px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  font-weight: 500;
  transition: var(--transition);
}

.skill-item:hover {
  border-color: var(--accent-purple);
  transform: translateY(-3px);
  background: rgba(139, 92, 246, 0.1);
}

.skill-item i {
  font-size: 1.2rem;
  color: var(--accent-blue);
}

/* Experience Section */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 30px;
  height: 100%;
  width: 2px;
  background: var(--glass-border);
}

.timeline-item {
  position: relative;
  padding-left: 80px;
  margin-bottom: 40px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  top: 10px;
  left: 22px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
}

.timeline-content {
  padding: 25px;
  position: relative;
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 15px;
  left: -10px;
  border-style: solid;
  border-width: 10px 10px 10px 0;
  border-color: transparent var(--glass-border) transparent transparent;
}

.timeline-content h3 {
  font-size: 1.3rem;
  margin-bottom: 5px;
}

.timeline-date {
  color: var(--accent-purple);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 15px;
  display: inline-block;
}

.timeline-desc {
  color: var(--text-secondary);
}

/* Contact Section */
.contact-box {
  padding: 60px 40px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.contact-box h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.contact-box p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 25px;
}

.social-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--glass-border);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.8rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.social-icon:hover {
  background: var(--primary-gradient);
  transform: translateY(-5px) scale(1.1);
  box-shadow: var(--glow-shadow);
  border-color: transparent;
}

/* Footer */
footer {
  background: rgba(2, 6, 23, 0.9);
  border-top: 1px solid var(--glass-border);
  padding: 30px 5%;
  text-align: center;
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
}

footer p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Animations & Interactivity */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Responsive Design */
@media (max-width: 992px) {
  .hero-container, .about-content, .skills-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero {
    text-align: center;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .tagline {
    margin: 0 auto 20px;
  }
  
  .cta-group {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 70px;
    right: -100%;
    width: 250px;
    height: 100vh;
    background: var(--bg-nav);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--glass-border);
    flex-direction: column;
    padding: 40px;
    transition: var(--transition);
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .hamburger {
    display: block;
  }
  
  .title {
    font-size: 2.5rem;
  }
}