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

:root {
  --primary-color: #00ff41;
  --secondary-color: #00cc33;
  --accent-color: #39ff14;
  --dark-bg: #0a0a0a;
  --darker-bg: #000000;
  --card-bg: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --text-muted: #888888;
  --border-color: #333333;
  --glow-color: #00ff41;
  --shadow-color: rgba(0, 255, 65, 0.3);
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Playfair Display", serif;
  font-weight: 700;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo .logo-text {
  font-family: "Playfair Display", serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--primary-color);
  text-shadow: 0 0 10px var(--glow-color);
  letter-spacing: 2px;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 400;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
  box-shadow: 0 0 10px var(--glow-color);
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  text-shadow: 0 0 5px var(--glow-color);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  margin: 3px 0;
  transition: 0.3s;
  box-shadow: 0 0 5px var(--glow-color);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  position: relative;
  overflow: hidden;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.greeting {
  display: block;
  color: var(--text-secondary);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.name {
  color: var(--primary-color);
  text-shadow: 0 0 20px var(--glow-color);
  animation: glow 2s ease-in-out infinite alternate;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 12px 24px;
  border: none;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(
    45deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: var(--darker-bg);
  box-shadow: 0 0 20px var(--shadow-color);
}

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

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: 0 0 10px var(--shadow-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--darker-bg);
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--shadow-color);
}

/* Profile Image */
.profile-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-image {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--card-bg), var(--darker-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  border: 3px solid var(--primary-color);
  box-shadow: 0 0 30px var(--shadow-color);
}

.profile-placeholder {
  font-size: 4rem;
  color: var(--primary-color);
  text-shadow: 0 0 10px var(--glow-color);
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--primary-color);
  box-shadow: 0 0 20px var(--shadow-color);
}

.profile-glow {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
  opacity: 0.4;
  animation: pulse 2s ease-in-out infinite;
  z-index: 1;
}

/* Social Section */
.social-section {
  padding: 2rem 0;
  background: rgba(0, 0, 0, 0.3);
}

.social-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--card-bg);
  color: var(--primary-color);
  text-decoration: none;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.social-icon:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 20px var(--shadow-color);
  background: var(--primary-color);
  color: var(--darker-bg);
}

/* Section Titles */
.section-title {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--primary-color);
  text-shadow: 0 0 15px var(--glow-color);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--primary-color);
  box-shadow: 0 0 10px var(--glow-color);
}

/* About Section */
.about-section {
  padding: 100px 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-bio p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.about-actions {
  margin-top: 2rem;
}

.about-image {
  display: flex;
  justify-content: center;
}

/* Skills Section */
.skills-section {
  padding: 100px 0;
  min-height: 100vh;
}

.skills-category {
  margin-bottom: 4rem;
}

.category-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
  text-shadow: 0 0 10px var(--glow-color);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.skill-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  color: var(--primary-color);
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.skill-pill:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 20px var(--shadow-color);
  border-color: var(--primary-color);
}

.skill-pill i {
  font-size: 1.2rem;
  color: var(--accent-color);
}

/* Progress Bars */
.progress-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.progress-item {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.progress-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.percentage {
  color: var(--primary-color);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 4px;
  transition: width 2s ease;
  box-shadow: 0 0 10px var(--shadow-color);
}

/* Education Section */
.education-section {
  padding: 100px 0;
  min-height: 100vh;
}

.education-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.education-timeline::before {
  content: "";
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary-color);
  box-shadow: 0 0 10px var(--glow-color);
}

.education-item {
  display: flex;
  margin-bottom: 3rem;
  position: relative;
}

.education-icon {
  width: 60px;
  height: 60px;
  background: var(--card-bg);
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 2rem;
  z-index: 2;
  box-shadow: 0 0 15px var(--shadow-color);
}

.education-icon i {
  color: var(--primary-color);
  font-size: 1.5rem;
}

.education-content {
  flex: 1;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  position: relative;
}

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

.education-title {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

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

.education-institution {
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

.education-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.education-highlights {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.highlight {
  background: var(--primary-color);
  color: var(--darker-bg);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* CV Section */
.cv-section {
  margin-top: 4rem;
  text-align: center;
  padding: 3rem;
  background: var(--card-bg);
  border-radius: 15px;
  border: 1px solid var(--border-color);
}

.cv-title {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.cv-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.cv-download {
  font-size: 1.1rem;
  padding: 15px 30px;
}

/* Projects Section */
.projects-section {
  padding: 100px 0;
  min-height: 100vh;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 0 30px var(--shadow-color);
  border-color: var(--primary-color);
}

.project-image {
  height: 200px;
  background: var(--darker-bg);
  position: relative;
  overflow: hidden;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary-color);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 255, 65, 0.1);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.project-tech {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.tech-tag {
  background: var(--primary-color);
  color: var(--darker-bg);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
}

.project-content {
  padding: 2rem;
}

.project-title {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

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

.feature {
  background: var(--border-color);
  color: var(--text-secondary);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
}

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

.project-link {
  font-size: 0.9rem;
  padding: 8px 16px;
}

/* More Projects */
.more-projects {
  text-align: center;
  padding: 3rem;
  background: var(--card-bg);
  border-radius: 15px;
  border: 1px solid var(--border-color);
}

.more-title {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.more-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Contact Section */
.contact-section {
  padding: 100px 0;
  min-height: 100vh;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-subtitle {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.contact-description {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-methods {
  margin-bottom: 3rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--card-bg);
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--darker-bg);
  font-size: 1.2rem;
  box-shadow: 0 0 15px var(--shadow-color);
}

.contact-details h3 {
  color: var(--primary-color);
  margin-bottom: 0.3rem;
}

.contact-details p {
  color: var(--text-secondary);
}

.social-links h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Contact Form */
.contact-form-container {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-input,
.form-textarea {
  padding: 12px;
  background: var(--darker-bg);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  color: var(--text-primary);
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 10px var(--shadow-color);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  margin-top: 1rem;
  font-size: 1.1rem;
  padding: 15px 30px;
}

/* Matrix Background Effect */
.matrix-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.matrix-line {
  position: absolute;
  width: 2px;
  height: 100px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--primary-color),
    transparent
  );
  animation: matrix-fall 3s linear infinite;
  opacity: 0.3;
}

.matrix-line:nth-child(1) {
  left: 10%;
  animation-delay: 0s;
}

.matrix-line:nth-child(2) {
  left: 30%;
  animation-delay: 1s;
}

.matrix-line:nth-child(3) {
  left: 50%;
  animation-delay: 2s;
}

.matrix-line:nth-child(4) {
  left: 70%;
  animation-delay: 0.5s;
}

.matrix-line:nth-child(5) {
  left: 90%;
  animation-delay: 1.5s;
}

/* Animations */
@keyframes glow {
  0% {
    text-shadow: 0 0 20px var(--glow-color);
  }
  100% {
    text-shadow: 0 0 30px var(--glow-color), 0 0 40px var(--glow-color);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.08);
  }
}

@keyframes matrix-fall {
  0% {
    transform: translateY(-100px);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(100vh);
    opacity: 0;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--darker-bg);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

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

  .hero-buttons {
    justify-content: center;
  }

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

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

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

  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

  .education-timeline::before {
    left: 20px;
  }

  .education-icon {
    width: 40px;
    height: 40px;
    margin-right: 1rem;
  }

  .education-content {
    padding: 1.5rem;
  }

  .education-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .profile-image {
    width: 250px;
    height: 250px;
  }

  .profile-glow {
    width: 270px;
    height: 270px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero-title {
    font-size: 2rem;
  }

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

  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .profile-image {
    width: 200px;
    height: 200px;
  }

  .profile-glow {
    width: 220px;
    height: 220px;
  }

  .social-icons {
    gap: 1rem;
  }

  .social-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

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

/* Focus styles for accessibility */
button:focus,
input:focus,
textarea:focus,
a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Loading animation for progress bars */
.progress-fill {
  animation: progress-load 2s ease-out;
}

@keyframes progress-load {
  from {
    width: 0;
  }
}

/* Hover effects for interactive elements */
.nav-link:hover,
.social-icon:hover,
.skill-pill:hover,
.project-card:hover,
.contact-method:hover {
  transform: translateY(-2px);
  transition: transform 0.3s ease;
}

/* Interests Section */
.interests-section {
  padding: 100px 0;
  min-height: 100vh;
}

.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.interest-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.interest-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 30px var(--shadow-color);
  border-color: var(--primary-color);
}

.interest-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--darker-bg);
  font-size: 2rem;
  box-shadow: 0 0 20px var(--shadow-color);
}

.interest-title {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-shadow: 0 0 10px var(--glow-color);
}

.interest-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.interest-highlights {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.interest-highlights .highlight {
  background: var(--primary-color);
  color: var(--darker-bg);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Additional Interests */
.additional-interests {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 3rem;
  text-align: center;
}

.additional-title {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-shadow: 0 0 10px var(--glow-color);
}

.additional-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.additional-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.additional-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem;
  background: var(--darker-bg);
  border-radius: 10px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.additional-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 20px var(--shadow-color);
  border-color: var(--primary-color);
}

.additional-item i {
  font-size: 2rem;
  color: var(--primary-color);
  text-shadow: 0 0 10px var(--glow-color);
}

.additional-item span {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Additional glow effects */
.btn-primary:hover,
.submit-btn:hover {
  animation: button-glow 0.3s ease;
}

@keyframes button-glow {
  0% {
    box-shadow: 0 0 20px var(--shadow-color);
  }
  50% {
    box-shadow: 0 0 30px var(--shadow-color), 0 0 40px var(--shadow-color);
  }
  100% {
    box-shadow: 0 0 20px var(--shadow-color);
  }
}