/* ==================== */
/* CSS Variables */
/* ==================== */
:root {
  --primary-color: #00D9FF;
  --secondary-color: #FF006E;
  --dark-color: #000000;
  --light-color: #1a1a1a;
  --text-color: #FFFFFF;
  --background-color: #000000;
  --gradient: linear-gradient(135deg, #00D9FF 0%, #FF006E 100%);
  --card-bg: #111111;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 217, 255, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  margin-left: 15px;
}

.btn-secondary:hover {
  background: rgba(0, 217, 255, 0.1);
  transform: translateY(-3px);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient);
  border-radius: 2px;
}

.highlight {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==================== */
/* Navigation */
/* ==================== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: #000000 !important;
  box-shadow: 0 2px 20px rgba(0, 217, 255, 0.3);
  z-index: 1000;
  padding: 1rem 0;
  border-bottom: 2px solid rgba(0, 217, 255, 0.3);
}

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

.logo h2 {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.8rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: #FFFFFF;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: width 0.3s ease;
}

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

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

.burger {
  display: none;
  cursor: pointer;
}

.burger div {
  width: 25px;
  height: 3px;
  background-color: #FFFFFF;
  margin: 5px;
  transition: all 0.3s ease;
}

/* ==================== */
/* Hero Section */
/* ==================== */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at center, #0a0a0a 0%, #000000 70%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(0, 217, 255, 0.1) 0%, transparent 20%),
    radial-gradient(circle at 80% 70%, rgba(255, 0, 110, 0.1) 0%, transparent 20%);
  z-index: -1;
}

.hero-content {
  flex: 1;
  padding-top: 60px;
  animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

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

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.circle-bg {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: var(--gradient);
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.circle-bg::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border-radius: 50%;
  background: var(--dark-color);
}

/* ==================== */
/* About Section */
/* ==================== */
.about {
  padding: 100px 0;
  background: var(--light-color);
}

.about-content {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.about-text p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

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

.social-icon:hover {
  background: var(--gradient);
  color: white;
  transform: translateY(-5px);
}

/* ==================== */
/* Skills Section */
/* ==================== */
.skills {
  padding: 100px 0;
  background: var(--background-color);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.skill-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(0, 217, 255, 0.1);
}

.skill-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 217, 255, 0.2);
  border-color: rgba(0, 217, 255, 0.3);
}

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

.skill-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress {
  height: 100%;
  background: var(--gradient);
  border-radius: 5px;
  width: 0;
  transition: width 2s ease-in-out;
}

.percentage {
  font-weight: 600;
  color: var(--primary-color);
}

/* ==================== */
/* Projects Section */
/* ==================== */
.projects {
  padding: 100px 0;
  background: var(--light-color);
}

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

.project-card {
  background: var(--card-bg);
  border-radius: 15px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(0, 217, 255, 0.1);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 217, 255, 0.3);
  border-color: rgba(0, 217, 255, 0.3);
}

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

.project-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.project-info {
  padding: 1.5rem;
}

.project-info h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.project-info p {
  margin-bottom: 1rem;
  opacity: 0.8;
}

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

.tech-tag {
  background: rgba(0, 217, 255, 0.2);
  color: var(--primary-color);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* ==================== */
/* Testimonials Section */
/* ==================== */
.testimonials {
  padding: 100px 0;
  background: var(--background-color);
}

.testimonials-subtitle {
  text-align: center;
  font-size: 1.2rem;
  margin-bottom: 3rem;
  opacity: 0.8;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid rgba(0, 217, 255, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 217, 255, 0.2);
  border-color: rgba(0, 217, 255, 0.3);
}

.testimonial-header {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin-right: 1rem;
  border: 2px solid var(--primary-color);
}

.testimonial-info h3 {
  font-size: 1.2rem;
  margin-bottom: 0.2rem;
}

.testimonial-role {
  font-size: 0.9rem;
  opacity: 0.7;
}

.testimonial-rating {
  color: gold;
  margin-bottom: 1rem;
}

.testimonial-message {
  font-style: italic;
  line-height: 1.6;
}

/* ==================== */
/* Contact Section */
/* ==================== */
.contact {
  padding: 100px 0;
  background: var(--light-color);
}

.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-top: 0.3rem;
}

.contact-item h3 {
  margin-bottom: 0.5rem;
}

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

.contact-form input,
.contact-form textarea {
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  color: white;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.contact-form textarea {
  resize: vertical;
  min-height: 150px;
}

/* ==================== */
/* Footer */
/* ==================== */
.footer {
  background: var(--dark-color);
  padding: 50px 0 20px;
  border-top: 1px solid rgba(0, 217, 255, 0.1);
}

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

.footer-section h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-section h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--gradient);
  border-radius: 2px;
}

.footer-section p {
  opacity: 0.7;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--primary-color);
  transition: all 0.3s ease;
  text-decoration: none;
}

.footer-social-icon:hover {
  background: var(--gradient);
  color: white;
  transform: translateY(-3px);
}

.footer-links,
.footer-contact {
  list-style: none;
}

.footer-links li,
.footer-contact li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.footer-contact i {
  color: var(--primary-color);
  margin-top: 0.3rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.heart {
  color: #ff4757;
  animation: pulse 1.5s ease-in-out infinite;
}

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

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0px);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

.animate-fade-in {
  animation: fadeInUp 1s ease-out;
}

.animate-fade-in-delay {
  animation: fadeInUp 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
  animation: fadeInUp 1s ease-out 0.6s both;
}

.animate-slide-down {
  animation: slideDown 0.8s ease-out;
}

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

.animate-float {
  animation: float 6s ease-in-out infinite;
}

/* ==================== */
/* Responsive Design */
/* ==================== */
@media screen and (max-width: 768px) {
  .navbar {
    background: #000000 !important;
  }
  
  .nav-links {
    position: fixed;
    right: -100%;
    top: 70px;
    height: calc(100vh - 70px);
    width: 70%;
    background: #000000;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 2rem;
    transition: 0.5s ease;
    border-left: 2px solid var(--primary-color);
    box-shadow: -5px 0 15px rgba(0, 217, 255, 0.2);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links li {
    margin: 1.5rem 0;
  }

  .burger {
    display: block;
  }

  .burger.toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

  .burger.toggle .line2 {
    opacity: 0;
  }

  .burger.toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 80px;
  }

  .hero-content {
    padding: 2rem;
  }

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

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

  .about-content {
    flex-direction: column;
  }

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

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

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