/* Base Styles & CSS Variables */
:root {
  /* Light Theme Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #333333;
  --text-secondary: #666666;
  --accent-color: #e50914;
  --accent-hover: #b20710;
  --border-color: #e1e8ed;
  --card-bg: #ffffff;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition: all 0.2s ease;
  --gradient-start: #ff0000;
  --gradient-end: #e50914;
}

/* Dark Theme Colors */
[data-theme="dark"] {
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --text-primary: #ffffff;
  --text-secondary: #bbbbbb;
  --accent-color: #e50914;
  --accent-hover: #ff0000;
  --border-color: #333333;
  --card-bg: #1e1e1e;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  --gradient-start: #ff0000;
  --gradient-end: #e50914;
}

/* Neon Glow Theme Colors (Enhanced Dark Theme) */
[data-theme="neon"] {
  --bg-primary: #0a0a1a;
  --bg-secondary: #151525;
  --text-primary: #ffffff;
  --text-secondary: #ffcccc;
  --accent-color: #e50914;
  --accent-hover: #ff0000;
  --border-color: #e50914;
  --card-bg: #151525;
  --shadow: 0 0 15px rgba(229, 9, 20, 0.3);
  --gradient-start: #ff0000;
  --gradient-end: #e50914;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.2s ease, color 0.2s ease;
  background-image: radial-gradient(circle at 10% 20%, rgba(229, 9, 20, 0.05) 0%, rgba(229, 9, 20, 0) 20%),
                    radial-gradient(circle at 90% 80%, rgba(229, 9, 20, 0.05) 0%, rgba(229, 9, 20, 0) 20%);
  overflow-x: hidden;
  perspective: 1000px;
  transform: translateZ(0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

[data-theme="neon"] body {
  background-image: radial-gradient(circle at 10% 20%, rgba(229, 9, 20, 0.05) 0%, rgba(229, 9, 20, 0) 20%),
                    radial-gradient(circle at 90% 80%, rgba(229, 9, 20, 0.05) 0%, rgba(229, 9, 20, 0) 20%);
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent-color);
  color: white;
  padding: 8px;
  z-index: 1000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* Card utility class for consistent styling */
.card-base {
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.card-base:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="neon"] .card-base:hover {
  box-shadow: 0 0 20px rgba(229, 9, 20, 0.15);
}

/* Theme Switcher */
.theme-switch-wrapper {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 15px 20px 0;
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-primary);
  border-radius: 0 0 0 10px;
  box-shadow: var(--shadow);
  padding: 10px 15px;
  border: 1px solid var(--border-color);
  transform: translateZ(0);
  will-change: transform;
}

#theme-label {
  margin-right: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.theme-selector {
  display: flex;
  gap: 5px;
}

.theme-option {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s ease, transform 0.2s ease;
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
  will-change: transform;
}

.theme-option.active {
  border-color: var(--text-primary);
  transform: scale(1.1);
}

.light-theme {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.dark-theme {
  background: linear-gradient(135deg, #2c3e50 0%, #1a1a2e 100%);
}

.neon-theme {
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  transform-style: preserve-3d;
  will-change: transform;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(229, 9, 20, 0.1) 0%, rgba(229, 9, 20, 0.05) 100%);
  z-index: -1;
  transform: translateZ(-1px);
}

.hero-title {
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(30px);
  animation: slideInDown 0.6s ease forwards;
}

.hero-title.animate {
  animation-delay: 0.1s;
}

[data-theme="neon"] .hero-title {
  text-shadow: 0 0 10px rgba(229, 9, 20, 0.5);
}

.hero-subtitle {
  color: var(--accent-color) !important;
  font-weight: 600;
  margin-bottom: 25px;
  opacity: 0;
  transform: translateY(30px);
  animation: slideInDown 0.6s ease forwards;
}

.hero-subtitle.animate {
  animation-delay: 0.2s;
}

.hero-description {
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(30px);
  animation: slideInDown 0.6s ease forwards;
}

.hero-description.animate {
  animation-delay: 0.3s;
}

.hero-buttons {
  opacity: 0;
  transform: translateY(30px);
  animation: slideInDown 0.6s ease forwards;
}

.hero-buttons.animate {
  animation-delay: 0.4s;
}

.hero-image-container {
  position: relative;
  display: inline-block;
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}

.hero-image-container.animate {
  animation-delay: 0.5s;
}

.hero-image-bg {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  z-index: -1;
  filter: blur(10px);
  opacity: 0.7;
}

.hero-image {
  border: 5px solid var(--card-bg) !important;
  box-shadow: 0 0 20px rgba(229, 9, 20, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  z-index: 2;
  transform: translateZ(0);
  will-change: transform;
}

.hero-image:hover {
  transform: scale(1.02);
  box-shadow: 0 0 30px rgba(229, 9, 20, 0.5);
}

[data-theme="neon"] .hero-image {
  box-shadow: 0 0 20px rgba(229, 9, 20, 0.4);
}

[data-theme="neon"] .hero-image:hover {
  box-shadow: 0 0 40px rgba(229, 9, 20, 0.7);
}

/* Stats Section */
.stats-section {
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.stat-card {
  padding: 25px 15px;
  border-radius: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background: rgba(229, 9, 20, 0.05);
  border: 1px solid rgba(229, 9, 20, 0.1);
  text-align: center;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.stat-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.stat-card:hover {
  transform: translateY(-5px);
  background: rgba(229, 9, 20, 0.1);
  box-shadow: 0 5px 15px rgba(229, 9, 20, 0.1);
}

.stat-icon {
  color: var(--accent-color);
  margin-bottom: 15px;
  font-size: 1.5rem;
  transition: transform 0.2s ease;
}

.stat-card:hover .stat-icon {
  transform: scale(1.1);
}

.stat-number {
  color: var(--accent-color) !important;
  text-shadow: 0 0 8px rgba(229, 9, 20, 0.3);
  margin-bottom: 8px;
  font-weight: 700;
}

[data-theme="neon"] .stat-number {
  text-shadow: 0 0 10px rgba(229, 9, 20, 0.4);
}

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

/* Section Titles */
.section-title {
  font-size: 2rem;
  font-weight: 800;
  margin: 40px 0 25px;
  color: var(--text-primary);
  position: relative;
  padding-bottom: 10px;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.section-title.animate {
  opacity: 1;
  transform: translateY(0);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(229, 9, 20, 0.4);
  transition: width 0.2s ease;
}

.section-title:hover::after {
  width: 80px;
}

[data-theme="neon"] .section-title::after {
  box-shadow: 0 0 10px rgba(229, 9, 20, 0.5);
}

/* About Section */
.about-section {
  background: var(--bg-primary);
  padding: 60px 0;
}

.skills-container .skill-item {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.skills-container .skill-item.animate {
  opacity: 1;
  transform: translateX(0);
}

.skills-container .skill-item:nth-child(1) { transition-delay: 0.1s; }
.skills-container .skill-item:nth-child(2) { transition-delay: 0.15s; }
.skills-container .skill-item:nth-child(3) { transition-delay: 0.2s; }
.skills-container .skill-item:nth-child(4) { transition-delay: 0.25s; }
.skills-container .skill-item:nth-child(5) { transition-delay: 0.3s; }
.skills-container .skill-item:nth-child(6) { transition-delay: 0.35s; }

.skills-container .skill-item .progress {
  height: 10px;
  border-radius: 5px;
  background-color: var(--bg-secondary);
  overflow: visible;
  position: relative;
}

.skills-container .skill-item .progress-bar {
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  border-radius: 5px;
  position: relative;
  overflow: visible;
  height: 100%;
  width: 0;
  transition: width 1s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.skill-name, .skill-percent {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.skill-percent {
  color: var(--accent-color);
  font-weight: 600;
}

/* Services Section */
.services-section {
  background: var(--bg-secondary) !important;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 60px 0;
}

.service-card {
  padding: 30px 20px;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.service-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.service-icon {
  color: var(--accent-color);
  transition: transform 0.2s ease;
  margin-bottom: 20px;
  font-size: 2rem;
}

.service-card:hover .service-icon {
  transform: scale(1.1);
}

.service-title {
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.service-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Projects Section */
.projects-section {
  background: var(--bg-primary);
  padding: 60px 0;
}

.toggle-bar {
  margin-bottom: 2rem;
}

.toggle-bar .btn-check:checked + .btn {
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  color: white;
  border-color: var(--accent-color);
}

.toggle-bar .btn {
  font-weight: 600;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.toggle-bar .btn:hover {
  background: rgba(229, 9, 20, 0.1);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

/* Toggle Slider Styles */
.toggle-slider-container {
  margin-bottom: 2rem;
}

.toggle-label {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 30px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-label-switch {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: .4s;
  border-radius: 30px;
}

.toggle-label-switch:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-secondary);
  transition: .4s;
  border-radius: 50%;
}

[data-theme="dark"] .toggle-label-switch:before {
  background-color: var(--text-secondary);
}

[data-theme="neon"] .toggle-label-switch:before {
  background-color: var(--text-secondary);
}

.toggle-checkbox:checked + .toggle-label-switch {
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  border-color: var(--accent-color);
}

.toggle-checkbox:checked + .toggle-label-switch:before {
  transform: translateX(30px);
  background-color: white;
}

.toggle-checkbox:checked + .toggle-label-switch:before {
  background-color: white;
}

.project-filter .nav-link {
  color: var(--text-secondary);
  font-weight: 600;
  margin: 0 5px;
  padding: 8px 15px;
  border-radius: 20px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  font-size: 0.9rem;
}

.project-filter .nav-link:hover, .project-filter .nav-link.active {
  color: var(--accent-color);
  background: rgba(229, 9, 20, 0.1);
  border-color: var(--accent-color);
}

.project-card {
  overflow: hidden;
  position: relative;
  height: 100%;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.project-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.project-image {
  position: relative;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.3s ease;
  transform: translateZ(0);
  will-change: transform;
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(229, 9, 20, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-content {
  padding: 20px;
}

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.project-description {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 15px;
  line-height: 1.5;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.tag {
  background: linear-gradient(90deg, rgba(229, 9, 20, 0.1), rgba(229, 9, 20, 0.1));
  color: var(--accent-color);
  padding: 3px 10px;
  border-radius: 15px;
  font-size: 0.7rem;
  font-weight: 600;
  border: 1px solid rgba(229, 9, 20, 0.2);
  transition: all 0.2s ease;
}

.tag:hover {
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  color: white;
  transform: translateY(-2px);
}

/* Tools Section */
.tools-grid {
  margin-top: 2rem;
}

.tool-category-title {
  color: var(--text-primary);
  font-weight: 700;
  position: relative;
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.tool-category-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  border-radius: 2px;
}

.tool-card {
  height: 100%;
}

.tool-icon {
  color: var(--accent-color);
  transition: transform 0.2s ease;
}

.tool-card:hover .tool-icon {
  transform: scale(1.1);
}

.tool-name {
  color: var(--text-primary);
  font-weight: 700;
  margin: 10px 0 5px;
  font-size: 1.1rem;
}

.tool-usage {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Certifications Section */
.certifications-section {
  background: var(--bg-secondary) !important;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 60px 0;
}

.certification-card {
  padding: 25px 20px;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.certification-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.certification-icon {
  transition: transform 0.2s ease;
  margin-bottom: 15px;
}

.certification-card:hover .certification-icon {
  transform: scale(1.1);
}

.certification-title {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.certification-issuer {
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 3px;
  font-size: 0.9rem;
}

.certification-date {
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.certification-description {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 15px;
}

/* Experience Section */
.experience-section {
  background: var(--bg-secondary) !important;
  padding: 60px 0;
}

.accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px !important;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.accordion-item.animate {
  opacity: 1;
  transform: translateY(0);
}

.accordion-item:nth-child(1) { transition-delay: 0.1s; }
.accordion-item:nth-child(2) { transition-delay: 0.15s; }
.accordion-item:nth-child(3) { transition-delay: 0.2s; }

.accordion-button {
  background: var(--card-bg);
  color: var(--text-primary);
  font-weight: 600;
  padding: 15px;
  border-radius: 8px !important;
  transition: all 0.2s ease;
  font-size: 0.95rem;
}

.accordion-button:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
  box-shadow: 0 0 0 0.2rem rgba(229, 9, 20, 0.25);
}

.accordion-button:not(.collapsed) {
  color: var(--accent-color);
  background: rgba(229, 9, 20, 0.05);
  box-shadow: none;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23e50914'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  transition: transform 0.2s ease;
}

[data-theme="dark"] .accordion-button::after,
[data-theme="neon"] .accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23e50914'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.company-logo {
  width: 40px;
  height: 40px;
  font-size: 1rem;
}

.accordion-body {
  background: var(--card-bg);
  color: var(--text-secondary);
  border-radius: 0 0 8px 8px !important;
  font-size: 0.9rem;
}

.accordion-body ul {
  padding-left: 1.2rem;
}

.accordion-body li {
  margin-bottom: 5px;
}

/* Contact Section */
.contact-section {
  background: var(--bg-primary);
  padding: 60px 0;
}

.form-control {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 15px;
  border-radius: 6px;
  transition: all 0.2s ease;
  margin-bottom: 15px;
  font-size: 0.9rem;
}

.form-control:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.2rem rgba(229, 9, 20, 0.2);
  background: var(--card-bg);
  color: var(--text-primary);
}

.form-label {
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 5px;
  font-size: 0.9rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.contact-item.animate {
  opacity: 1;
  transform: translateY(0);
}

.contact-item:nth-child(1) { transition-delay: 0.1s; }
.contact-item:nth-child(2) { transition-delay: 0.15s; }
.contact-item:nth-child(3) { transition-delay: 0.2s; }
.contact-item:nth-child(4) { transition-delay: 0.25s; }

.contact-icon {
  width: 40px;
  height: 40px;
  font-size: 1rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.contact-item:hover .contact-icon {
  transform: scale(1.1);
}

.contact-details h5 {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.contact-details p {
  color: var(--text-secondary);
  margin-bottom: 0;
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: var(--bg-secondary);
  color: var(--accent-color);
  font-size: 1rem;
  transition: all 0.2s ease;
  text-decoration: none;
  border: 1px solid var(--border-color);
}

.social-link:hover {
  background: var(--accent-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 3px 10px rgba(229, 9, 20, 0.2);
}

[data-theme="neon"] .social-link:hover {
  box-shadow: 0 0 15px rgba(229, 9, 20, 0.4);
}

/* Footer */
.footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 30px 0;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
  font-weight: 500;
  position: relative;
  padding: 3px 0;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent-color);
}

/* Buttons */
.btn {
  border-radius: 6px;
  padding: 10px 20px;
  font-weight: 600;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  border: none;
  font-size: 0.9rem;
}

/* Focus styles for accessibility */
.btn:focus, .form-control:focus, .nav-link:focus, .theme-option:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  color: white;
  box-shadow: 0 3px 10px rgba(229, 9, 20, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(229, 9, 20, 0.3);
}

[data-theme="neon"] .btn-primary {
  box-shadow: 0 0 15px rgba(229, 9, 20, 0.3);
}

[data-theme="neon"] .btn-primary:hover {
  box-shadow: 0 0 25px rgba(229, 9, 20, 0.5);
}

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

.btn-outline-primary:hover {
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 3px 10px rgba(229, 9, 20, 0.2);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

/* Responsive Design */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .hero-section {
    padding: 100px 0 60px;
    text-align: center;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .section-title {
    font-size: 1.6rem;
  }
  
  .theme-switch-wrapper {
    position: fixed;
    top: 10px;
    right: 10px;
    border-radius: 50px;
    padding: 6px 10px;
  }
  
  .theme-selector {
    gap: 3px;
  }
  
  .theme-option {
    width: 20px;
    height: 20px;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 1.6rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.4rem;
  }
  
  .project-filter .nav-link {
    padding: 6px 12px;
    margin: 3px;
    font-size: 0.8rem;
  }
  
  .social-links {
    justify-content: center;
  }
}