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

:root {
  --primary-color: #8b5cf6;
  --secondary-color: #6d28d9;
  --accent-color: #ec4899;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #faf5ff;
  --white: #ffffff;
  --gradient-1: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  --gradient-2: linear-gradient(135deg, #a78bfa 0%, #f472b6 100%);
  --shadow: 0 2px 10px rgba(139, 92, 246, 0.1);
  --shadow-lg: 0 10px 30px rgba(139, 92, 246, 0.15);
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.7;
  color: var(--text-dark);
  overflow-x: hidden;
}

/* Navigation */
nav {
  position: fixed;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: width 0.3s ease;
}

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

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

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

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-dark);
  margin: 4px 0;
  transition: 0.3s;
  border-radius: 2px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-1);
  color: var(--white);
  padding: 100px 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.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"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
  opacity: 0.3;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.2;
  animation: fadeInUp 0.8s ease;
}

.hero-content .subtitle {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  opacity: 0.95;
  font-weight: 500;
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-content p {
  font-size: 1.15rem;
  max-width: 650px;
  margin: 0 auto 2.5rem;
  opacity: 0.9;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.4s backwards;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s ease 0.6s backwards;
}

.btn {
  padding: 0.9rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border: 2px solid var(--white);
}

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

.social-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  animation: fadeInUp 0.8s ease 0.8s backwards;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 55px;
  height: 55px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--white);
  font-size: 1.4rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.social-links a:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-5px);
}

/* Section Styles */
section {
  padding: 5rem 2rem;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
  font-weight: 700;
  position: relative;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 1.05rem;
  margin-bottom: 3.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-title::after {
  content: "";
  display: block;
  width: 70px;
  height: 4px;
  background: var(--gradient-1);
  margin: 1.2rem auto 0;
  border-radius: 2px;
}

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

/* Skills Section */
#skills {
  background: var(--bg-light);
}

.skills-container {
  max-width: 900px;
  margin: 0 auto;
}

.skill-category {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

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

.skill-category h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.3rem;
}

.skill-category h3 i {
  font-size: 1.5rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.skill-item {
  background: var(--bg-light);
  padding: 0.7rem 1.3rem;
  border-radius: 25px;
  font-size: 0.95rem;
  color: var(--text-dark);
  font-weight: 500;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.skill-item:hover {
  background: var(--gradient-1);
  color: var(--white);
  transform: scale(1.05);
  border-color: var(--primary-color);
}

/* Experience Section */
.experience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.experience-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.experience-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--gradient-1);
}

.ui-path-exp {
  width: 78.3vw;
  /* Default for desktop/laptop */
}

/* Mobile view */
@media (max-width: 768px) {
  .ui-path-exp {
    width: 100% !important;
  }
}

.experience-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.experience-header {
  margin-bottom: 1.5rem;
}

.experience-header h3 {
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}

.experience-header .company {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.experience-card p {
  color: var(--text-light);
  line-height: 1.8;
}

/* Certifications Section */
#certifications {
  background: var(--bg-light);
}

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

.cert-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  border: 2px solid transparent;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.cert-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.cert-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
  background: var(--gradient-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
}

.cert-card h3 {
  color: var(--text-dark);
  margin-bottom: 0.8rem;
  font-size: 1.15rem;
}

.cert-card .issuer {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-light);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  color: var(--primary-color);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Contact Section */
.contact-container {
  max-width: 700px;
  margin: 0 auto;
  background: var(--white);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
}

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

.contact-item i {
  font-size: 1.8rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-item div h4 {
  color: var(--text-dark);
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}

.contact-item div p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 1.8rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--text-dark);
  font-weight: 600;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid #e9ecef;
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.submit-btn {
  width: 100%;
  padding: 1.1rem;
  background: var(--gradient-1);
  color: var(--white);
  border: none;
  border-radius: 30px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(139, 92, 246, 0.3);
}

/* Footer */
footer {
  background: var(--text-dark);
  color: var(--white);
  text-align: center;
  padding: 3rem 2rem;
}

footer p {
  margin-bottom: 1rem;
  opacity: 0.8;
}

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

.footer-links a {
  color: var(--white);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.footer-links a:hover {
  opacity: 1;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    left: -100%;
    top: 73px;
    flex-direction: column;
    background: var(--white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
    gap: 0;
  }

  .nav-links li {
    padding: 1rem 0;
  }

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

  .menu-toggle {
    display: flex;
  }

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

  .hero-content .subtitle {
    font-size: 1.3rem;
  }

  .section-title {
    font-size: 2.2rem;
  }

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

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

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

  .contact-container {
    padding: 2rem 1.5rem;
  }

  section {
    padding: 4rem 1.5rem;
  }
}

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

  .social-links a {
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
  }

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