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

:root {
  --primary-color: #E0218A;
  --secondary-color: #F7C8D7;
  --accent-color: #ff6bb3;
  --text-primary: #fbfbfb;
  --text-secondary: #e0e0e0;
  --text-muted: #b0bec5;
  --bg-primary: #0f0f0f;
  --bg-secondary: #1a1a1a;
  --bg-card: #242424;
  --border-color: #333;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================
   Navigation Bar
========================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 8%;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.navbar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.navbar.scrolled::after {
  transform: scaleX(1);
}

.navbar.scrolled {
  padding: 15px 8%;
  background-color: rgba(15, 15, 15, 0.98);
}

.logo {
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  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: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transition: var(--transition);
}

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

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

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

.menu-toggle:hover {
  color: var(--primary-color);
}

/* ==========================
   Hero Section
========================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 140px 8% 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  z-index: 1;
}

.hero-subtitle {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  color: var(--text-primary);
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 3rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-social {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 2rem;
}

.hero-social a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--bg-card);
  color: var(--text-secondary);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.hero-social a:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  transform: translateY(-3px);
  border-color: transparent;
  box-shadow: var(--shadow-md);
}

/* ==========================
   Buttons
========================== */
.btn-primary, .btn-secondary {
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

.btn-secondary:hover {
  background-color: var(--bg-card);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

/* ==========================
   Featured Section
========================== */
.featured-section, .skills-highlight, .cta-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 8%;
}

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

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.featured-card {
  background-color: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  opacity: 0;
  transform: translateY(30px);
}

.featured-card.animate-in {
  animation: slideUp 0.6s ease forwards;
}

@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.featured-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.card-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.card-badge {
  background-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: white;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.card-content {
  padding: 2rem;
}

.card-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.card-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.card-tech span {
  background-color: var(--bg-secondary);
  color: var(--primary-color);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
}

.card-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}

.card-link:hover {
  color: var(--accent-color);
  transform: translateX(5px);
}

.section-cta {
  text-align: center;
  margin-top: 3rem;
}

/* ==========================
   Skills Highlight
========================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.skill-category {
  background-color: var(--bg-card);
  padding: 2.5rem;
  border-radius: 16px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  opacity: 0;
  transform: translateY(30px);
}

.skill-category.animate-in {
  animation: slideUp 0.6s ease forwards;
}

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.skill-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.skill-category h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.skill-category p {
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* ==========================
   CTA Section
========================== */
.cta-section {
  text-align: center;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(240, 147, 251, 0.1));
  border-radius: 24px;
  padding: 80px 8%;
  border: 1px solid var(--border-color);
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.cta-section p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================
   General Sections
========================== */
main {
  width: 100%;
  margin-top: 80px;
}

section {
  margin-bottom: 0;
}

.content-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 8%;
}

.content-section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.content-section h3 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  margin-top: 2.5rem;
  color: var(--text-primary);
}

.content-section p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
  font-size: 1.05rem;
}

.content-section ul {
  list-style-type: none;
  margin-left: 0;
  margin-bottom: 2rem;
}

.content-section li {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.6;
}

.content-section li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* ==========================
   Project Cards
========================== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.project-card {
  background-color: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

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

.project-links a {
  color: var(--text-muted);
  transition: var(--transition);
}

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

/* ==========================
   Timeline
========================== */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 3rem auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
}

.timeline-item {
  margin-bottom: 3rem;
  position: relative;
  width: 50%;
  padding: 0 40px;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-content {
  background-color: var(--bg-card);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 20px;
  width: 0;
  height: 0;
  border: 10px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  right: -20px;
  border-left-color: var(--bg-card);
}

.timeline-item:nth-child(even) .timeline-content::before {
  left: -20px;
  border-right-color: var(--bg-card);
}

.timeline-content:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.timeline-date {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.timeline-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.timeline-subtitle {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.timeline-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================
   Skills Page
========================== */
.skill-bar-container {
  margin-bottom: 2rem;
}

.skill-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

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

.skill-level {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.skill-bar {
  height: 8px;
  background-color: var(--bg-secondary);
  border-radius: 10px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 10px;
  transition: width 1s ease;
}

/* ==========================
   Footer
========================== */
footer {
  background-color: var(--bg-secondary);
  padding: 3rem 8% 2rem;
  margin-top: 100px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-section p {
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.footer-section a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: var(--transition);
  font-size: 0.95rem;
}

.footer-section a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

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

/* ==========================
   Responsive Design
========================== */
@media (max-width: 1024px) {
  .navbar {
    padding: 20px 5%;
  }

  .hero, .featured-section, .skills-highlight, .cta-section, .content-section {
    padding-left: 5%;
    padding-right: 5%;
  }

  .timeline::before {
    left: 0;
  }

  .timeline-item {
    width: 100%;
    left: 0 !important;
    text-align: left !important;
    padding-left: 40px;
  }

  .timeline-content::before {
    left: -20px !important;
    border-right-color: var(--bg-card) !important;
    border-left-color: transparent !important;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    background-color: rgba(15, 15, 15, 0.98);
    position: absolute;
    top: 70px;
    right: 0;
    width: 100%;
    padding: 2rem 0;
    gap: 1.5rem;
    box-shadow: var(--shadow-md);
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 2rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .featured-grid, .skills-grid, .project-grid {
    grid-template-columns: 1fr;
  }

  .section-header h2, .content-section h2 {
    font-size: 2rem;
  }

  .cta-section {
    padding: 60px 5%;
  }

  .cta-section h2 {
    font-size: 1.8rem;
  }

  footer {
    padding: 2rem 5% 1rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .navbar {
    padding: 15px 5%;
  }

  .logo {
    font-size: 1.2rem;
  }

  .card-content, .timeline-content {
    padding: 1.5rem;
  }
}

/* ==========================
   Animations
========================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* ==========================
   Utility Classes
========================== */
.text-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }