/** 
 * CSS Variables & Theme Configuration
 */
:root {
  --color-bg: #030712;
  --color-bg-secondary: #0f172a;
  --color-text: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-accent: #8b5cf6;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-glass: rgba(15, 23, 42, 0.6);
  --color-glass-border: rgba(255, 255, 255, 0.05);

  --font-main: 'Outfit', sans-serif;

  --transition-fast: 0.2s ease-out;
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  text-decoration: none;
  color: inherit;
}

/* Dynamic Background Elements */
.bg-gradient {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -2;
  opacity: 0.4;
  animation: float 20s ease-in-out infinite;
}

.bg-gradient-1 {
  background: var(--color-primary);
  width: 600px;
  height: 600px;
  top: -200px;
  left: -200px;
}

.bg-gradient-2 {
  background: var(--color-accent);
  width: 500px;
  height: 500px;
  bottom: -100px;
  right: -200px;
  animation-delay: -10s;
}

.noise {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(30px) scale(1.05);
  }
}

/** 
 * Typography & Utilities 
 */
.highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}

.glass-card {
  background: var(--color-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-glass-border);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.1);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 9999px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-primary-sm {
  background: var(--color-primary);
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn-primary-sm:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/** 
 * Navigation 
 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 1rem 0;
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-glass-border);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

/** 
 * Hero Section 
 */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.badge {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-top: 0.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
}

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

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: var(--color-border);
  transform: translateX(-50%);
}

.timeline-item {
  margin-bottom: 4rem;
  position: relative;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  background: var(--color-bg);
  border: 4px solid var(--color-primary);
  border-radius: 50%;
  z-index: 10;
  transition: all var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
  background: var(--color-primary);
  box-shadow: 0 0 15px var(--color-primary);
}

.timeline-content {
  width: 45%;
}

.timeline-date {
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.timeline-role {
  font-size: 1.5rem;
  margin: 0.5rem 0 0.25rem 0;
}

.timeline-company {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.timeline-text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-dot {
    left: 20px;
  }

  .timeline-item {
    flex-direction: column !important;
    align-items: flex-end;
  }

  .timeline-content {
    width: calc(100% - 50px);
  }
}

/** 
 * Skills Section 
 */
.skills-container {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}

.skills-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

.skills-badges img {
  border-radius: 4px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.skills-badges img:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 15px rgba(59, 130, 246, 0.4);
}

/** 
 * Certifications Section 
 */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.cert-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 2rem;
}

.cert-icon-wrapper {
  height: 180px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-icon {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 4px 12px rgba(255, 153, 0, 0.2));
  transition: transform var(--transition-normal);
}

.cert-card:hover .cert-icon {
  transform: scale(1.1) rotate(5deg);
}

.cert-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.cert-level {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/**
 * Personal Projects Section
 */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 2.5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  overflow: hidden;
}

.project-screenshot-link {
  display: block;
  text-decoration: none;
  overflow: hidden;
  border-radius: 24px 24px 0 0;
}

.project-screenshot-wrapper {
  position: relative;
  width: 100%;
  height: 260px;
  overflow: hidden;
}

.project-screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-screenshot-overlay {
  position: absolute;
  inset: 0;
  background: rgba(59, 130, 246, 0.15);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease-out;
}

.project-visit-label {
  background: var(--color-primary);
  color: white;
  padding: 0.6rem 1.4rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.5);
}

.project-screenshot-link:hover .project-screenshot {
  transform: scale(1.04);
}

.project-screenshot-link:hover .project-screenshot-overlay {
  opacity: 1;
}

.project-info {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
}

.project-link-badge {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(59, 130, 246, 0.25);
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.project-link-badge:hover {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.project-desc {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-screenshot-wrapper {
    height: 220px;
  }
}

/**
 * Footer
 */
.footer {
  border-top: 1px solid var(--color-glass-border);
  background: rgba(3, 7, 18, 0.5);
  padding: 4rem 2rem;
  text-align: center;
}

.footer-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.footer-text {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-link {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-text);
  text-decoration: underline;
}

.copyright {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  opacity: 0.5;
}

/**
 * Animations
 */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transition: opacity 1s ease-out;
}

.fade-in.visible {
  opacity: 1;
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}