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

:root {
  /* Dark Theme Colors */
  --primary-color: #00d4ff;
  --secondary-color: #ff6b6b;
  --accent-color: #4ecdc4;
  --text-color: #ffffff;
  --text-secondary: #b0b3b8;
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #2a2a2a;
  --border-color: #333333;
  --shadow-light: rgba(0, 212, 255, 0.1);
  --shadow-dark: rgba(0, 0, 0, 0.5);
  --gradient-primary: linear-gradient(135deg, #00d4ff, #4ecdc4);
  --gradient-secondary: linear-gradient(135deg, #ff6b6b, #ff8e53);

  /* Fonts */
  --font-primary: "Poppins", sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --container-max-width: 1200px;
  --section-padding: 100px 0;
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}

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

/* Animated Background */
.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.floating-particles {
  position: absolute;
  width: 100%;
  height: 100%;
}

.floating-particles::before,
.floating-particles::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: float 15s infinite linear;
  opacity: 0.3;
}

.floating-particles::before {
  left: 10%;
  animation-delay: 0s;
}

.floating-particles::after {
  left: 80%;
  animation-delay: 7s;
}

@keyframes float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(-100vh) rotate(360deg);
    opacity: 0;
  }
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.98);
  box-shadow: 0 2px 20px var(--shadow-dark);
}

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

.logo-text {
  font-size: 1.8rem;
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-color);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition);
}

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

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

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-color);
  margin: 3px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--section-padding);
  position: relative;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 212, 255, 0.05) 0%,
    transparent 70%
  );
}

.hero-container {
  width: 100%;
  max-width: var(--container-max-width);
  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;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.typing-text {
  display: block;
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.5s forwards;
}

.name-highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 1s ease-out 1s forwards;
  opacity: 0;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 1.5s forwards;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
  opacity: 0;
  animation: fadeInUp 1s ease-out 2s forwards;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 2.5s forwards;
}

.btn {
  padding: 12px 30px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-color);
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: var(--transition);
}

.btn-primary:hover::before {
  left: 100%;
}

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

.btn-secondary:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 212, 255, 0.3);
}

.social-links {
  display: flex;
  gap: 1rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 3s forwards;
}

.social-link {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-secondary);
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
  font-size: 1.2rem;
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px var(--shadow-light);
}

.hero-image {
  display: flex;
  justify-content: center;
  opacity: 0;
  animation: fadeInRight 1s ease-out 1s forwards;
}

.profile-picture {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: var(--gradient-primary);
  padding: 5px;
  position: relative;
  overflow: hidden;
}

.image-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 3rem;
}

.image-placeholder p {
  font-size: 1rem;
  margin-top: 1rem;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fadeIn 1s ease-out 4s forwards;
}

.scroll-arrow {
  width: 2px;
  height: 30px;
  background: var(--primary-color);
  position: relative;
  animation: bounce 2s infinite;
}

.scroll-arrow::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: -3px;
  width: 8px;
  height: 8px;
  border-bottom: 2px solid var(--primary-color);
  border-right: 2px solid var(--primary-color);
  transform: rotate(45deg);
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
}

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

.about::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gradient-primary);
}

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

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--text-color);
}

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

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-tertiary);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px var(--shadow-dark);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

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

.about-image .image-placeholder {
  width: 100%;
  height: 400px;
  border-radius: var(--border-radius);
  background: var(--bg-tertiary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 3rem;
}

/* Skills Section */
.skills {
  padding: var(--section-padding);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
}

.skill-category {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px var(--shadow-dark);
  border-color: var(--primary-color);
}

.category-title {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
  text-align: center;
}

.skill-item {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.skill-item i {
  font-size: 1.5rem;
  margin-right: 1rem;
  color: var(--primary-color);
  width: 30px;
}

.skill-item span {
  flex: 1;
  font-weight: var(--font-weight-medium);
}

.skill-progress {
  width: 100px;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin-left: 1rem;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 3px;
  width: 0;
  transition: width 2s ease-in-out;
}

/* Projects Section */
.projects {
  padding: var(--section-padding);
}

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

.project-card {
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px var(--shadow-dark);
  border-color: var(--primary-color);
}

.project-image {
  height: 200px;
  overflow: hidden;
}

.project-image .image-placeholder {
  width: 100%;
  height: 100%;
  background: var(--bg-tertiary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 2rem;
  border-radius: 0;
}

.project-content {
  padding: 2rem;
}

.project-title {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

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

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

.tech-tag {
  background: rgba(0, 212, 255, 0.1);
  color: var(--primary-color);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: var(--font-weight-medium);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

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

.project-link {
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: var(--font-weight-medium);
  transition: var(--transition);
}

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

/* Contact Section */
.contact {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

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

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

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

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-item i {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--bg-primary);
}

.contact-item h4 {
  margin-bottom: 0.25rem;
  color: var(--text-color);
}

.contact-item p {
  color: var(--text-secondary);
  margin: 0;
}

.contact-form {
  background: var(--bg-tertiary);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-color);
  font-family: var(--font-primary);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-secondary);
}

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

/* Footer */
.footer {
  background: var(--bg-primary);
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

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

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

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

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

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: rgba(10, 10, 10, 0.98);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    backdrop-filter: blur(10px);
    padding: 2rem 0;
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

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

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

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

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

  .stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

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

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

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

  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

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

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

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

  .image-placeholder {
    font-size: 2rem;
  }
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

/* Certifications Section */
.certifications {
  padding: 80px 0;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.cert-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  padding: 30px;
  border: 1px solid rgba(100, 255, 218, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #64ffda, #4ecdc4);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.cert-card:hover::before {
  transform: scaleX(1);
}

.cert-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(100, 255, 218, 0.1);
  border-color: rgba(100, 255, 218, 0.3);
}

.cert-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #64ffda, #4ecdc4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.cert-icon i {
  font-size: 24px;
  color: #1a1a1a;
}

.cert-title {
  font-size: 1.4rem;
  color: #ffffff;
  margin-bottom: 10px;
  font-weight: 600;
}

.cert-issuer {
  color: #64ffda;
  font-weight: 500;
  margin-bottom: 5px;
}

.cert-date {
  color: #b3b3b3;
  margin-bottom: 20px;
}

.cert-actions {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.cert-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(100, 255, 218, 0.1);
  color: #64ffda;
  text-decoration: none;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 1px solid rgba(100, 255, 218, 0.2);
}

.cert-link:hover {
  background: rgba(100, 255, 218, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(100, 255, 218, 0.3);
}

.cert-link i {
  font-size: 14px;
}

/* Mobile Responsiveness for Certifications */
@media (max-width: 768px) {
  .certifications-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .cert-card {
    padding: 20px;
  }
  
  .cert-actions {
    flex-direction: column;
  }
  
  .cert-link {
    justify-content: center;
  }
}