/* ============================================
   LinkedIn-Style Resume Website
   ============================================ */

:root {
  --linkedin-blue: #0a66c2;
  --linkedin-blue-hover: #004182;
  --linkedin-bg: #f4f2ee;
  --card-bg: #ffffff;
  --text-primary: #191919;
  --text-secondary: #666666;
  --text-muted: #00000099;
  --border-color: #e0dfdc;
  --hover-bg: #f5f5f5;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--linkedin-bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.nav-container {
  max-width: 1128px;
  margin: 0 auto;
  padding: 0 16px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 4px;
  transition: all 0.2s ease;
  position: relative;
}

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

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--text-primary);
}

.btn-resume {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border: 1px solid var(--linkedin-blue);
  border-radius: 16px;
  color: var(--linkedin-blue);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  background: transparent;
}

.btn-resume:hover {
  background: rgba(10, 102, 194, 0.08);
}

/* ============================================
   Profile Header
   ============================================ */

.profile-header {
  position: relative;
  margin-top: 52px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
}

.header-bg {
  height: 200px;
  background: linear-gradient(135deg, #004182 0%, #0a66c2 40%, #378fe9 100%);
  position: relative;
}

.header-bg::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.05));
}

.header-container {
  max-width: 1128px;
  margin: 0 auto;
  padding: 0 16px;
  position: relative;
}

.profile-avatar {
  position: absolute;
  top: 120px;
  left: 16px;
  z-index: 1;
}

.avatar-circle {
  width: 152px;
  height: 152px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0a66c2, #004182);
  border: 4px solid var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 52px;
  font-weight: 700;
  color: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  user-select: none;
}

.profile-info {
  padding: 80px 0 24px 0;
}

.profile-name {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.profile-title {
  font-size: 16px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.profile-location {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.profile-connections {
  font-size: 14px;
}

.contact-info {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--linkedin-blue);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.contact-link:hover {
  color: var(--linkedin-blue-hover);
  text-decoration: underline;
}

.separator {
  color: var(--text-muted);
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
  max-width: 1128px;
  margin: 24px auto;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card {
  background: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 24px;
}

.section-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
}

.subsection-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 20px 0 12px;
}

/* ============================================
   About Section
   ============================================ */

.about-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
}

/* ============================================
   Experience Section
   ============================================ */

.experience-item {
  display: flex;
  gap: 12px;
}

.experience-logo {
  flex-shrink: 0;
}

.logo-placeholder {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  background: var(--hover-bg);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.experience-content {
  flex: 1;
  min-width: 0;
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.experience-role {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.experience-company {
  font-size: 14px;
  color: var(--text-primary);
}

.experience-dept {
  font-size: 14px;
  color: var(--text-secondary);
}

.experience-meta {
  text-align: right;
  flex-shrink: 0;
}

.experience-date {
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.experience-location {
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.experience-list {
  margin-top: 12px;
  padding-left: 20px;
}

.experience-list li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.experience-list li::marker {
  color: var(--text-secondary);
}

.experience-divider {
  height: 1px;
  background: var(--border-color);
  margin: 20px 0;
}

/* ============================================
   Education Section
   ============================================ */

.education-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.education-logo {
  flex-shrink: 0;
}

.education-content {
  flex: 1;
}

.education-school {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.education-degree {
  font-size: 14px;
  color: var(--text-primary);
}

.education-date {
  font-size: 14px;
  color: var(--text-secondary);
}

.education-gpa {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.education-divider {
  height: 1px;
  background: var(--border-color);
  margin: 20px 0;
}

/* ============================================
   Skills Section
   ============================================ */

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-item {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: rgba(10, 102, 194, 0.08);
  border: 1px solid rgba(10, 102, 194, 0.2);
  border-radius: 16px;
  transition: all 0.2s ease;
}

.skill-item:hover {
  background: rgba(10, 102, 194, 0.15);
  border-color: rgba(10, 102, 194, 0.4);
}

.skill-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--linkedin-blue);
}

.certifications {
  margin-top: 8px;
}

.cert-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: linear-gradient(135deg, #0a66c2 0%, #004182 100%);
  color: white;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 1px 3px rgba(10, 102, 194, 0.3);
}

/* ============================================
   Projects Section
   ============================================ */

.project-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
}

.project-item:not(:last-child) {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
  margin-bottom: 4px;
}

.project-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(10, 102, 194, 0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-content {
  flex: 1;
}

.project-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.project-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 16px 0;
  margin-top: 24px;
  text-align: center;
}

.footer-container {
  max-width: 1128px;
  margin: 0 auto;
  padding: 0 16px;
}

.footer p {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ============================================
   Responsive Design
   ============================================ */

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

  .header-bg {
    height: 140px;
  }

  .avatar-circle {
    width: 120px;
    height: 120px;
    font-size: 40px;
    border-width: 3px;
  }

  .profile-avatar {
    top: 77px;
    left: 50%;
    transform: translateX(-50%);
  }

  .profile-info {
    padding: 72px 16px 24px;
    text-align: center;
  }

  .profile-name {
    font-size: 22px;
  }

  .contact-info {
    justify-content: center;
  }

  .experience-header {
    flex-direction: column;
    gap: 4px;
  }

  .experience-meta {
    text-align: left;
  }

  .experience-logo {
    display: none;
  }

  .education-logo {
    display: none;
  }

  .card {
    padding: 16px;
  }

  .section-title {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 12px;
  }

  .btn-resume {
    font-size: 12px;
    padding: 4px 12px;
  }

  .avatar-circle {
    width: 96px;
    height: 96px;
    font-size: 32px;
  }

  .profile-avatar {
    top: 89px;
  }

  .profile-info {
    padding: 68px 16px 24px;
  }

  .skills-grid {
    gap: 6px;
  }

  .skill-item {
    padding: 4px 12px;
  }

  .skill-name {
    font-size: 13px;
  }
}

/* ============================================
   Animations
   ============================================ */

.card {
  opacity: 0;
  transform: translateY(12px);
  animation: fadeInUp 0.4s ease forwards;
}

.about-card { animation-delay: 0.1s; }
.experience-card { animation-delay: 0.15s; }
.education-card { animation-delay: 0.2s; }
.skills-card { animation-delay: 0.25s; }
.projects-card { animation-delay: 0.3s; }

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

.card.visible {
  opacity: 1;
  transform: translateY(0);
}