styles.css

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

:root {
  --primary-color: #3b82f6;
  --secondary-color: #2563eb;
  --accent-color: #60a5fa;
  --dark-bg: #0f172a;
  --darker-bg: #020617;
  --card-bg: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --gradient-1: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  --gradient-2: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
  --gradient-3: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--darker-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border-color);
}

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

.nav-brand h2 {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.5rem;
  font-weight: 700;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-link:hover {
  color: var(--text-primary);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
  background: var(--darker-bg);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 50%,
      rgba(59, 130, 246, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(96, 165, 250, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  animation: fadeInUp 1s ease-out;
}

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 4rem;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.btn {
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  display: inline-block;
}

.btn-primary {
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.stat-item {
  text-align: center;
}

.stat-item h3 {
  font-size: 3rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.stat-item p {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Section Styles */
section {
  padding: 6rem 0;
}

section:nth-child(even) {
  background: var(--dark-bg);
}

section:nth-child(odd) {
  background: var(--darker-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.title-underline {
  width: 80px;
  height: 4px;
  background: var(--gradient-1);
  margin: 0 auto 1.5rem;
  border-radius: 2px;
}

.section-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* About Section */
.about {
  background: var(--dark-bg);
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

.highlight-item {
  text-align: center;
  padding: 2rem;
  background: var(--card-bg);
  border-radius: 12px;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.highlight-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.highlight-item i {
  font-size: 3rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.highlight-item h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.highlight-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Skills Section */
.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: 12px;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

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

.skill-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.skill-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

.skill-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.skill-bar {
  background: rgba(59, 130, 246, 0.2);
  height: 8px;
  border-radius: 10px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: var(--gradient-1);
  border-radius: 10px;
  animation: fillBar 2s ease-out;
}

@keyframes fillBar {
  from {
    width: 0;
  }
}

/* Projects Section */
.projects {
  background: var(--darker-bg);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.project-card {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

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

.project-thumbnail {
  width: 100%;
  height: 250px;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.project-thumbnail i {
  font-size: 5rem;
  color: white;
  opacity: 0.8;
}

.project-info {
  padding: 2rem;
}

.project-category {
  display: inline-block;
  padding: 0.3rem 1rem;
  background: rgba(99, 102, 241, 0.2);
  color: var(--primary-color);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.project-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.project-info p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

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

.tag {
  padding: 0.4rem 1rem;
  background: rgba(139, 92, 246, 0.2);
  color: var(--secondary-color);
  border-radius: 15px;
  font-size: 0.85rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.project-link:hover {
  gap: 1rem;
}

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

.certification-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

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

.cert-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-icon i {
  font-size: 2.5rem;
  color: white;
}

.certification-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

.cert-issuer {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.cert-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.cert-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.cert-link:hover {
  gap: 1rem;
}

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

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1000px;
  margin: 0 auto;
}

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

.contact-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon i {
  font-size: 1.5rem;
  color: white;
}

.contact-details h4 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.contact-details a,
.contact-details p {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.contact-details a:hover {
  color: var(--primary-color);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
  resize: vertical;
  font-family: inherit;
}

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

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

.footer-content p {
  color: var(--text-muted);
}

.social-links {
  display: flex;
  gap: 1.5rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-3px);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  animation: fadeIn 0.3s ease-out;
}

.modal-content {
  position: relative;
  width: 90%;
  max-width: 1200px;
  height: 90vh;
  margin: 5vh auto;
  background: var(--card-bg);
  border-radius: 15px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 1.5rem 2rem;
  background: var(--darker-bg);
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.3rem;
  color: var(--text-primary);
}

.close-modal {
  position: absolute;
  top: 20px;
  right: 30px;
  color: white;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  z-index: 2001;
  transition: var(--transition);
}

.close-modal:hover {
  color: var(--primary-color);
}

.pdf-viewer-container {
  width: 100%;
  flex: 1;
  background: var(--dark-bg);
  overflow-y: auto;
}

.pdf-options-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 3rem 2rem;
  color: white;
  text-align: center;
}

.pdf-icon-wrapper {
  width: 120px;
  height: 120px;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  animation: pulse 2s ease-in-out infinite;
}

.pdf-icon-wrapper i {
  font-size: 4rem;
  color: white;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.pdf-options-container h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pdf-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.pdf-actions {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.btn-large {
  padding: 1.2rem 2.5rem;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}

.pdf-embed-container {
  width: 100%;
  max-width: 900px;
  height: 600px;
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.pdf-embed-container iframe {
  width: 100%;
  height: 100%;
}

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

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

/* Responsive Design */
@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--dark-bg);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    padding: 2rem 0;
  }

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

  .hamburger {
    display: flex;
  }

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

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

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .about-highlights {
    grid-template-columns: 1fr;
  }

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

  .footer-content {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

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

@media (max-width: 576px) {
  .container {
    padding: 0 1rem;
  }

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

  .stat-item h3 {
    font-size: 2rem;
  }

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