:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #12161f;
  --bg-card: #1a1f2e;
  --accent: #00d4ff;
  --accent-dim: #0099cc;
  --text-primary: #e4e6eb;
  --text-secondary: #9ba3af;
  --border: #2a2f3e;
  --glow: rgba(0, 212, 255, 0.3);
}

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

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

/* Animated Background */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(90deg, var(--border) 1px, transparent 1px),
    linear-gradient(var(--border) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.03;
  z-index: 0;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

.glow-orb {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  z-index: 0;
  pointer-events: none;
}

.glow-orb-1 {
  background: var(--accent);
  top: -200px;
  right: -200px;
  animation: float 15s ease-in-out infinite;
}

.glow-orb-2 {
  background: #6366f1;
  bottom: -200px;
  left: -200px;
  animation: float 20s ease-in-out infinite reverse;
}

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

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 14, 23, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 1.5rem 0;
}

nav .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  font-family: "JetBrains Mono", monospace;
}

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

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

nav a:hover {
  color: var(--accent);
}

nav a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}

nav a:hover::after {
  width: 100%;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent) 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero .subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-family: "JetBrains Mono", monospace;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2rem;
}

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

.btn {
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-block;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 0 20px var(--glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 30px var(--glow);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-secondary:hover {
  background: var(--accent);
  color: var(--bg-primary);
}

/* Section */
section {
  padding: 6rem 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60%;
  height: 3px;
  background: var(--accent);
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent) 0%, transparent 100%);
}

.timeline-item {
  margin-bottom: 2rem;
  position: relative;
  animation: fadeInLeft 0.6s ease-out;
  animation-fill-mode: both;
}

.timeline-item:nth-child(1) {
  animation-delay: 0.1s;
}
.timeline-item:nth-child(2) {
  animation-delay: 0.2s;
}
.timeline-item:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.5rem;
  top: 5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--glow);
}

.timeline-item h3 {
  color: var(--accent);
  margin-bottom: 0.3rem;
  font-size: 1.2rem;
}

.timeline-item .date {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: "JetBrains Mono", monospace;
  margin-bottom: 0.5rem;
}

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

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s;
}

.skill-category:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.1);
}

.skill-category h3 {
  color: var(--accent);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-category h3::before {
  content: "▸";
  font-size: 1.5rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  transition: all 0.3s;
  font-family: "JetBrains Mono", monospace;
}

.skill-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Projects Section */
.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 250px;
}

.project-card:hover {
  transform: translateX(5px);
  border-color: var(--accent);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.15);
}

.project-image {
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--bg-secondary) 0%,
    var(--bg-primary) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--accent);
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-content h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

.project-content p {
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
  line-height: 1.6;
}

.project-content p strong {
  color: var(--accent);
}

.project-details {
  flex: 1;
}

.project-footer {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tech-badge {
  background: var(--bg-secondary);
  color: var(--accent);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-family: "JetBrains Mono", monospace;
  border: 1px solid var(--border);
}

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

.project-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.3s;
}

.project-link:hover {
  text-decoration: underline;
}

/* Contact Section */
.contact-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-content p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.1rem;
  transition: all 0.3s;
}

.contact-link:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero .subtitle {
    font-size: 1.2rem;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  nav ul {
    gap: 1rem;
  }

  .project-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .project-image {
    height: 200px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}