/* Professional Portfolio CSS */
:root {
  --primary-color: #3b82f6;
  --primary-dark: #2563eb;
  --primary-light: #60a5fa;
  --secondary-color: #8b5cf6;
  --accent-color: #06b6d4;
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-light: #9ca3af;
  --bg-primary: #111827;
  --bg-secondary: #1f2937;
  --bg-tertiary: #374151;
  --border-color: #374151;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3);
}

[data-theme="light"] {
  --primary-color: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --secondary-color: #7c3aed;
  --accent-color: #06b6d4;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

/* Typography */
h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all 0.3s ease;
}

[data-theme="light"] .navbar {
  background-color: rgba(255, 255, 255, 0.95);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.navbar-brand:hover {
  color: var(--primary-color);
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.navbar-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.3s ease;
  position: relative;
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

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

.navbar-menu a:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-primary);
}

.theme-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  margin-left: 1rem;
}

.theme-toggle:hover {
  background: var(--primary-color);
  color: white;
  transform: rotate(180deg);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #4c1d95 0%, #581c87 50%, #3b0764 100%);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
  animation: gradient-shift 15s ease infinite;
  background-size: 200% 200%;
}

[data-theme="light"] .hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
  animation: floatIn 1.2s ease-out;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.avatar-container {
  position: relative;
  width: 180px;
  height: 180px;
  transition: transform 0.3s ease;
}

.avatar-container:hover {
  transform: scale(1.05) rotate(5deg);
}

.avatar-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 5px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-xl);
}

.hero h1 {
  color: white;
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.5rem;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.875rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  display: inline-block;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.15);
  background-color: rgba(255, 255, 255, 0.95);
}

.btn-outline {
  background-color: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline:hover {
  background-color: white;
  color: var(--primary-color);
}

/* Discord Widget */
.discord-widget {
  max-width: 480px;
  margin: 3rem auto 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.discord-widget:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] .discord-widget {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.discord-widget-header {
  background: rgba(114, 137, 218, 0.25);
  padding: 0.875rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.discord-widget-header i {
  font-size: 1.25rem;
  color: #7289da;
}

.discord-widget-header span {
  font-weight: 600;
  color: white;
  font-size: 0.9375rem;
  letter-spacing: 0.5px;
}

.discord-widget-body {
  padding: 1.5rem;
}

.discord-main-info {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
}

.discord-avatar-wrapper {
  position: relative;
  flex-shrink: 0;
}

.discord-avatar-wrapper img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px solid rgba(114, 137, 218, 0.6);
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  display: block;
}

.discord-avatar-wrapper:hover img {
  border-color: #7289da;
  transform: scale(1.05);
}

.discord-status-indicator {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 4px solid rgba(0, 0, 0, 0.5);
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.discord-text-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.discord-username {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin: 0 0 0.25rem 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.discord-status-text {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  font-weight: 500;
}

.discord-activity-wrapper {
  margin-top: 0;
}

.activity-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 1.25rem 0 1rem 0;
}

.activity-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 600;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.activity-label i {
  color: #7289da;
  font-size: 0.875rem;
}

.activity-content {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  align-items: center;
}

.activity-image {
  width: 60px;
  height: 60px;
  border-radius: 8px;
  border: 2px solid rgba(114, 137, 218, 0.4);
  object-fit: cover;
  flex-shrink: 0;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  display: block;
}

.activity-image:hover {
  transform: scale(1.05);
  border-color: #7289da;
}

.activity-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.activity-title {
  font-weight: 700;
  font-size: 0.9375rem;
  color: white;
  margin: 0 0 0.375rem 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.activity-subtitle {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0.125rem 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.discord-footer-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  background: #7289da;
  color: white;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9375rem;
}

.discord-footer-btn:hover {
  background: #5b6eae;
}

.discord-footer-btn i {
  font-size: 0.875rem;
}

/* Sections */
section {
  padding: 6rem 2rem;
  animation: fadeIn 0.8s ease-in;
}

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

.section-container {
  max-width: 1280px;
  margin: 0 auto;
}

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

.section-title {
  position: relative;
  display: inline-block;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
  animation: expandWidth 0.8s ease-out 0.3s both;
}

@keyframes expandWidth {
  from {
    width: 0;
  }
  to {
    width: 60px;
  }
}

.section-description {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.25rem;
  color: var(--text-secondary);
}

/* About Section */
.about-section {
  background-color: var(--bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.stat-card {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  animation: popIn 0.5s ease forwards;
  opacity: 0;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes popIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

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

.about-content p {
  font-size: 1.25rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

/* Skills Section */
.skills-section {
  background-color: var(--bg-primary);
}

.skills-content {
  max-width: 1100px;
  margin: 0 auto;
}

.skills-content > p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: 3rem;
  color: var(--text-secondary);
  text-align: center;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.skill-category {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

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

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

.skill-category-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-category-title i {
  color: var(--primary-color);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  padding: 0.5rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.skill-tag:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.experience-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.experience-card {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--primary-color);
  transition: all 0.3s ease;
}

.experience-card:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.experience-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  color: white;
}

.experience-card h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.experience-card p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Projects Section */
.projects-section {
  background-color: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-primary);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

.project-card:hover .project-card-image {
  transform: scale(1.05);
}

.project-card-image {
  transition: transform 0.3s ease;
}

.project-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background-color: var(--bg-tertiary);
}

.project-card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.project-card-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-tag {
  padding: 0.25rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 0.75rem;
  color: var(--text-light);
  transition: all 0.3s ease;
}

.project-tag:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.project-card-footer {
  margin-top: auto;
}

.project-card-footer .btn {
  width: 100%;
  text-align: center;
  background-color: var(--primary-color);
  color: white;
  padding: 0.75rem 1.5rem;
}

.project-card-footer .btn:hover {
  background-color: var(--primary-dark);
}

/* Qualifications Section */
.qualifications-section {
  background-color: var(--bg-primary);
}

.qualifications-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.qualification-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  border-left: 4px solid var(--primary-color);
}

.qualification-item {
  animation: slideInLeft 0.5s ease forwards;
  opacity: 0;
}

.qualification-item:nth-child(1) { animation-delay: 0.1s; }
.qualification-item:nth-child(2) { animation-delay: 0.2s; }
.qualification-item:nth-child(3) { animation-delay: 0.3s; }
.qualification-item:nth-child(4) { animation-delay: 0.4s; }
.qualification-item:nth-child(5) { animation-delay: 0.5s; }
.qualification-item:nth-child(6) { animation-delay: 0.6s; }
.qualification-item:nth-child(7) { animation-delay: 0.7s; }
.qualification-item:nth-child(8) { animation-delay: 0.8s; }

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

.qualification-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(8px);
  border-left-width: 6px;
}

.qualification-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.qualification-meta {
  color: var(--text-light);
  font-size: 1rem;
}

/* Contact Section */
.contact-section {
  background: linear-gradient(135deg, #4c1d95 0%, #581c87 50%, #3b0764 100%);
  color: white;
}

[data-theme="light"] .contact-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.contact-section .section-title {
  color: white;
}

.contact-section .section-title::after {
  background: white;
}

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

.contact-content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2rem;
}

.contact-email {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: white;
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.125rem;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.contact-email:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

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

.social-link {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-link:hover {
  background: white;
  color: var(--primary-color);
  transform: translateY(-5px) rotate(360deg);
  box-shadow: var(--shadow-lg);
}

/* Footer */
footer {
  background-color: #0f172a;
  color: white;
  text-align: center;
  padding: 2rem;
}

[data-theme="light"] footer {
  background-color: #1f2937;
}

footer p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-4px);
}

/* Particles Background */
#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 0;
}

/* Progress Bar */
.track-progress {
  margin-top: 1rem;
  padding: 0;
  background: transparent;
  border-radius: 0;
  border: none;
}

.track-times {
  display: flex;
  justify-content: space-between;
  font-size: 0.6875rem;
  margin-bottom: 0.375rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
}

.progress-bar-bg {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  position: relative;
  overflow: visible;
}

.progress-bar-fill {
  height: 100%;
  background: #1db954;
  border-radius: 2px;
  transition: width 0.5s ease;
  position: relative;
}

.progress-marker {
  position: absolute;
  top: 50%;
  right: -5px;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  background: white;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease;
}

.progress-marker:hover {
  transform: translateY(-50%) scale(1.3);
}

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

  h2 {
    font-size: 2rem;
  }

  .navbar-menu {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .theme-toggle {
    margin-left: 0.5rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  .hero-avatars {
    gap: 1rem;
  }

  .avatar-container {
    width: 120px;
    height: 120px;
  }

  section {
    padding: 4rem 1.5rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .discord-widget {
    margin: 2rem 1rem 0;
  }

  .discord-widget-body {
    padding: 1.5rem;
  }

  .discord-main-info {
    gap: 1rem;
  }

  .discord-avatar-wrapper img {
    width: 60px;
    height: 60px;
  }

  .discord-username {
    font-size: 1.125rem;
  }

  .activity-content {
    flex-direction: row;
    align-items: flex-start;
  }

  .activity-image {
    width: 60px;
    height: 60px;
  }

  .activity-info {
    flex: 1;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  .hero-avatars {
    flex-direction: column;
    align-items: center;
  }

  .avatar-container {
    width: 150px;
    height: 150px;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
}

/* Utility Classes */
.hidden {
  display: none !important;
}

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

.mt-4 {
  margin-top: 1rem;
}

.mb-4 {
  margin-bottom: 1rem;
}