@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');


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

body {
  font-family: 'Inter', sans-serif;
  background-color: #ffffff;
  color: #000000;
  line-height: 1.6;
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}


.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  width: 256px;
  background-color: #ffffff;
  border-right: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
  z-index: 1000;
}

.sidebar-logo {
  padding: 2rem;
  border-bottom: 1px solid #e5e7eb;
}

.sidebar-logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #000000;
}

.sidebar-nav {
  flex: 1;
  padding: 2rem;
}

.sidebar-nav ul {
  list-style: none;
}

.sidebar-nav li {
  margin-bottom: 1.5rem;
}

.sidebar-nav a {
  font-size: 1.125rem;
  color: #374151;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
  display: block;
}

.sidebar-nav a:hover {
  color: #000000;
}

.sidebar-nav a.active {
  color: #000000;
  font-weight: 600;
}

.mobile-menu a.active {
  background-color: #f3f4f6;
  font-weight: 600;
}

.sidebar-footer {
  padding: 2rem;
  border-top: 1px solid #e5e7eb;
}

.sidebar-footer p {
  font-size: 0.875rem;
  color: #6b7280;
}


.mobile-navbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.mobile-navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
  padding: 0 1rem;
}

.mobile-logo h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #000000;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.375rem;
  transition: background-color 0.2s;
}

.hamburger-btn:hover {
  background-color: #f3f4f6;
}

.hamburger-btn svg {
  width: 24px;
  height: 24px;
  stroke: #000000;
}

.mobile-menu {
  border-top: 1px solid #e5e7eb;
  background-color: #ffffff;
}

.mobile-menu ul {
  list-style: none;
  padding: 0.5rem;
}

.mobile-menu li {
  margin-bottom: 0.25rem;
}

.mobile-menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  color: #000000;
  text-decoration: none;
  font-weight: 500;
  border-radius: 0.375rem;
  transition: background-color 0.2s;
}

.mobile-menu a:hover {
  background-color: #f3f4f6;
}


.main-content {
  margin-left: 256px;
  min-height: 100vh;
}


.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: #ffffff;
  padding: 0 3rem;
}

.hero-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  color: #000000;
  line-height: 1.2;
}

.hero-title span {
  color: #374151;
}

.hero-subtitle {
  font-size: 1.875rem;
  color: #4b5563;
  font-weight: 500;
}

.hero-description {
  font-size: 1.125rem;
  color: #374151;
  line-height: 1.75;
  max-width: 600px;
}

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

.btn {
  padding: 0.75rem 2rem;
  font-weight: 500;
  border-radius: 0.375rem;
  text-decoration: none;
  text-align: center;
  transition: all 0.2s;
  font-size: 1rem;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background-color: #000000;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #1f2937;
}

.btn-secondary {
  background-color: #ffffff;
  color: #000000;
  border: 2px solid #000000;
}

.btn-secondary:hover {
  background-color: #f9fafb;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-container {
  width: 450px;
  height: 500px;
  background: linear-gradient(135deg, #a8daff 0%, #d4ebff 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  border: none;
}

/* Hero Social Icons */
.hero-social {
  display: flex;
  gap: 1.25rem;
  padding-top: 1.5rem;
  align-items: center;
}

.social-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f3f4f6;
  border-radius: 50%;
  color: #374151;
  transition: all 0.3s ease;
  text-decoration: none;
  border: 2px solid transparent;
}

.social-icon svg {
  width: 20px;
  height: 20px;
}

.social-icon:hover {
  background-color: #000000;
  color: #ffffff;
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  border-color: #000000;
}

.social-icon:active {
  transform: translateY(-1px) scale(1.05);
}



.about {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: #f3f4f6;
  padding: 5rem 3rem;
}

.about-container-simple {
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
}

.about-title {
  font-size: 3rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 3rem;
}


.about-simple-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}


.about-description p {
  color: #374151;
  line-height: 1.75;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.about-description strong {
  color: #000000;
  font-weight: 600;
}


.about-timeline {
  position: relative;
}

.timeline-heading {
  font-size: 1.5rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 2rem;
}

.timeline-items {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.timeline-item {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid #e5e7eb;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 0;
  width: 8px;
  height: 8px;
  background-color: #000000;
  border-radius: 50%;
}

.timeline-date {
  font-size: 0.875rem;
  color: #6b7280;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.timeline-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #000000;
  margin-bottom: 0.5rem;
}

.timeline-content p {
  color: #374151;
  line-height: 1.6;
  font-size: 0.9375rem;
}


.section-header {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-header::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #000000 0%, #374151 100%);
  margin: 1.5rem auto 0;
  border-radius: 2px;
}

.section-title {
  font-size: 3.5rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 0.75rem;
  position: relative;
  display: inline-block;
  padding: 0 1rem;
}

.section-title::before {
  content: '//';
  position: absolute;
  left: -20px;
  top: 0;
  font-size: 2.5rem;
  color: #e5e7eb;
  font-weight: 300;
}

.section-subtitle {
  font-size: 1.25rem;
  color: #6b7280;
  font-weight: 400;
  letter-spacing: 0.025em;
}


.skills {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: #ffffff;
  padding: 5rem 3rem;
}

.skills-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

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

.skill-category {
  background-color: #f9fafb;
  padding: 2rem;
  border-radius: 0.5rem;
  border: 1px solid #e5e7eb;
}

.skill-category h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #000000;
  margin-bottom: 1.5rem;
  text-align: center;
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.skill-item {
  background-color: #ffffff;
  padding: 0.75rem 1rem;
  border-radius: 0.375rem;
  border: 1px solid #e5e7eb;
  text-align: center;
  color: #374151;
  font-weight: 500;
}

/* Experience Section */
.experience-content {
  max-width: 800px;
}

.experience-card {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 0.75rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.experience-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
  border-color: #000000;
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.experience-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 0.25rem;
}

.experience-company {
  font-size: 1rem;
  color: #6b7280;
  font-weight: 500;
}

.experience-date {
  font-size: 0.875rem;
  color: #ffffff;
  background-color: #000000;
  padding: 0.35rem 0.85rem;
  border-radius: 0.375rem;
  font-weight: 500;
  white-space: nowrap;
}

.experience-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.experience-list li {
  position: relative;
  padding-left: 1.5rem;
  color: #374151;
  line-height: 1.6;
  font-size: 0.9375rem;
}

.experience-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: #000000;
  font-weight: bold;
}

/* Project Date */
.project-date {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: #6b7280;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
  background-color: #f3f4f6;
  border-radius: 0.25rem;
  border: 1px solid #e5e7eb;
}

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

/* Achievements Section */
.achievements {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: #f3f4f6;
  padding: 5rem 3rem;
}

.achievements-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.achievement-card {
  background-color: #ffffff;
  padding: 2.5rem;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
  position: relative;
}

.achievement-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  border-color: #000000;
}

.achievement-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #000000 0%, #374151 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: #ffffff;
}

.achievement-icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.achievement-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #000000;
  margin-bottom: 1rem;
}

.achievement-card p {
  color: #374151;
  line-height: 1.75;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.achievement-card strong {
  color: #000000;
  font-weight: 600;
}

.achievement-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: #000000;
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.achievement-badge.ongoing {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.8;
  }
}



.projects {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: #f9fafb;
  padding: 5rem 3rem;
}

.projects-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

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

.project-card {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
  transition: box-shadow 0.2s;
}

.project-card:hover {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.project-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #000000;
  margin-bottom: 1rem;
}

.project-card p {
  color: #374151;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

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

.tech-tag {
  padding: 0.25rem 0.75rem;
  background-color: #f3f4f6;
  color: #374151;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.375rem;
  border: 1px solid #e5e7eb;
}

.project-link {
  display: inline-block;
  margin-top: 1rem;
  color: #000000;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s, transform 0.2s;
}

.project-link:hover {
  color: #6b7280;
  transform: translateX(5px);
}


.contact {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: #ffffff;
  padding: 5rem 3rem;
}

.contact-container-simple {
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
}

.contact-title {
  font-size: 3rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 3rem;
}


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


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

.contact-intro {
  color: #374151;
  line-height: 1.75;
  font-size: 1rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #000000;
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

.contact-link:hover {
  color: #6b7280;
}

.contact-link-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  stroke: currentColor;
}


.contact-form-simple {
  display: flex;
  flex-direction: column;
}

.form-field {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

.form-field label {
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.5rem;
}

.form-field input,
.form-field textarea {
  padding: 0.75rem 1rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s, box-shadow 0.2s;
  background-color: #ffffff;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: #000000;
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

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

.btn-send-message {
  width: 100%;
  padding: 0.875rem 2rem;
  background-color: #000000;
  color: #ffffff;
  border: none;
  border-radius: 0.375rem;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
  margin-top: 0.5rem;
}

.btn-send-message:hover {
  background-color: #1f2937;
}

.btn-send-message:disabled {
  background-color: #9ca3af;
  cursor: not-allowed;
}


.footer {
  background-color: #f9fafb;
  border-top: 1px solid #e5e7eb;
  padding: 2rem;
  text-align: center;
}

.footer p {
  color: #374151;
  margin-bottom: 0.5rem;
}

.footer p:last-child {
  color: #6b7280;
}


@media (max-width: 1024px) {
  .sidebar {
    display: none;
  }

  .mobile-navbar {
    display: block;
  }

  .main-content {
    margin-left: 0;
    padding-top: 64px;
  }

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

  .hero-visual {
    display: flex;
    justify-content: center;
    order: -1;

  }

  .hero-image-container {
    width: 280px;
    height: 320px;
  }

  .hero-title {
    font-size: 3rem;
  }

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

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

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

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

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

  .hero,
  .about,
  .skills,
  .projects,
  .contact {
    padding: 3rem 1.5rem;
  }
}

@media (max-width: 640px) {
  .hero-image-container {
    width: 240px;
    height: 280px;
  }

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

  .hero-subtitle {
    font-size: 1.5rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-social {
    justify-content: center;
    gap: 1rem;
  }

  .social-icon {
    width: 40px;
    height: 40px;
  }

  .social-icon svg {
    width: 18px;
    height: 18px;
  }


  .section-title,
  .about-title,
  .contact-title {
    font-size: 2.5rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }
}


.hidden {
  display: none;
}