/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #4caf50;
  --primary-light: #81c784;
  --primary-dark: #388e3c;
  --secondary-color: #2196f3;
  --secondary-light: #64b5f6;
  --secondary-dark: #1976d2;
  --accent-color: #ff9800;
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-light: #ffffff;
  --bg-light: #ffffff;
  --bg-gray: #f5f5f5;
  --bg-dark: #263238;
  --border-color: #e0e0e0;
  --success-color: #4caf50;
  --warning-color: #ffc107;
  --danger-color: #f44336;
  --border-radius: 8px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;
  background-color: var(--bg-light);
  color: var(--text-primary);
  line-height: 1.6;
}

.hidden {
  display: none !important;
}

/* Layout */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  overflow-x: hidden;
}

section {
  padding: 80px 20px;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
}

.section-divider {
  width: 80px;
  height: 4px;
  background-color: var(--primary-color);
  margin: 0 auto;
  border-radius: 2px;
}

/* Header and Navigation */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background-color: var(--bg-light);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  color: var(--primary-color);
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 5px 0;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary-color);
}

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

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

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
}

.mobile-menu-btn span {
  display: block;
  width: 30px;
  height: 3px;
  background-color: var(--text-primary);
  transition: var(--transition);
}

/* Buttons */
.primary-btn,
.secondary-btn,
.portfolio-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

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

.primary-btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.secondary-btn:hover {
  background-color: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-2px);
}

.portfolio-btn {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: 8px 16px;
  font-size: 0.9rem;
}

.portfolio-btn:hover {
  background-color: var(--primary-dark);
}

.icon-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  color: var(--primary-color);
}

/* Hero Section */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: calc(100vh - 80px);
  padding: 0 20px;
  position: relative;
}

.hero-content {
  flex: 1;
  max-width: 600px;
  z-index: 2;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.hero-content h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
}

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

.profile-image {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  object-fit: cover;
  border: 8px solid var(--bg-light);
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.blob-bg {
  position: absolute;
  width: 600px;
  height: 600px;
  opacity: 0.2;
  z-index: 1;
}

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

.about-content {
  display: flex;
  gap: 50px;
  align-items: center;
}

.about-image {
  flex: 1;
  max-width: 500px;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

.about-text {
  flex: 1;
}

.about-text h3 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.about-text p {
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.skills-container {
  margin: 30px 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.skill-item {
  text-align: center;
  padding: 15px;
  background-color: var(--bg-light);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.skill-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.skill-icon {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.skill-item h4 {
  font-size: 1rem;
  font-weight: 500;
}

.about-cta {
  display: flex;
  gap: 20px;
  margin-top: 30px;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--bg-light);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-md);
}

.service-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
}

.service-card p {
  color: var(--text-secondary);
}

/* Portfolio Section */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.portfolio-filter {
  background-color: var(--bg-light);
  border: none;
  padding: 8px 16px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.portfolio-filter:hover,
.portfolio-filter.active {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.portfolio-item {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  background-color: var(--bg-light);
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-md);
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  height: 400px;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.portfolio-image:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.portfolio-info {
  padding: 20px;
}

.portfolio-info h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 5px;
}

.portfolio-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials-section {
  background-color: var(--bg-gray);
  position: relative;
}

.testimonials-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.testimonial-slide {
  display: none;
  animation: fadeIn 0.5s ease forwards;
}

.testimonial-slide.active {
  display: block;
}

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

.testimonial-content {
  background-color: var(--bg-light);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--shadow-md);
}

.testimonial-text {
  position: relative;
  margin-bottom: 30px;
}

.quote-icon {
  color: var(--primary-light);
  opacity: 0.3;
  position: absolute;
  top: -10px;
  left: -10px;
}

.testimonial-text p {
  position: relative;
  z-index: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 15px;
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info h4 {
  font-weight: 600;
  margin-bottom: 5px;
}

.author-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.testimonial-controls {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.testimonial-control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--bg-light);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.testimonial-control.active,
.testimonial-control:hover {
  background-color: var(--primary-color);
}

/* Contact Section */
.contact-container {
  display: flex;
  gap: 50px;
}

.contact-info,
.contact-form-container {
  flex: 1;
}

.contact-info h3 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.contact-info > p {
  margin-bottom: 30px;
  color: var(--text-secondary);
}

.contact-details {
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
}

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

.contact-text h4 {
  font-weight: 600;
  margin-bottom: 5px;
}

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

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

.social-links h4 {
  margin-bottom: 15px;
  font-weight: 600;
}

.social-icons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-gray);
  color: var(--text-secondary);
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-5px);
}

.contact-form {
  background-color: var(--bg-light);
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

input,
textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: inherit;
  transition: var(--transition);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

textarea {
  resize: vertical;
}

/* Footer */
footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 50px 20px 20px;
}

.footer-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}

.footer-logo h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

.footer-content > p {
  margin-bottom: 30px;
  color: var(--text-light);
  opacity: 0.8;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 30px;
}

.footer-social a {
  color: var(--text-light);
  font-size: 1.2rem;
  transition: var(--transition);
}

.footer-social a:hover {
  color: var(--primary-light);
  transform: translateY(-5px);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--bg-light);
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease-out;
}

.portfolio-modal-content {
  max-width: 900px;
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

.portfolio-modal-body {
  padding: 30px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--success-color);
  color: var(--text-light);
  padding: 15px 20px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 300px;
  z-index: 1001;
  animation: slideUp 0.3s ease-out;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.toast.show {
  opacity: 1;
  visibility: visible;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 15px;
}

.toast-content i {
  font-size: 1.2rem;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Responsive styles */
@media (max-width: 1200px) {
  .hero-content h1 {
    font-size: 3rem;
  }

  .hero-content h2 {
    font-size: 1.8rem;
  }

  .profile-image {
    width: 350px;
    height: 350px;
  }

  .blob-bg {
    width: 500px;
    height: 500px;
  }
}

@media (max-width: 992px) {
  .hero-section {
    flex-direction: column;
    text-align: center;
    gap: 50px;
    padding: 50px 20px;
  }

  .hero-content {
    max-width: 100%;
  }

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

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

  .about-image {
    max-width: 100%;
  }

  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-container {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .main-nav ul {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .main-nav.active ul {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--bg-light);
    box-shadow: var(--shadow-md);
    padding: 20px;
    z-index: 100;
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 576px) {
  section {
    padding: 60px 15px;
  }

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

  .hero-content h2 {
    font-size: 1.5rem;
  }

  .profile-image {
    width: 280px;
    height: 280px;
  }

  .blob-bg {
    width: 400px;
    height: 400px;
  }

  .section-header h2 {
    font-size: 2rem;
  }

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

  .hero-buttons,
  .about-cta {
    flex-direction: column;
    gap: 15px;
  }

  .portfolio-filters {
    flex-direction: column;
    align-items: center;
  }

  .portfolio-filter {
    width: 100%;
    text-align: center;
  }
}