/* ==========================================================================
   Component Styles - Mayank Kumar Portfolio
   Aesthetic: Warm Creamy Off-White + Deep Charcoal
   Spacing: Compact, balanced, minimal vertical scroll
   Icons: Refined, subtle, and compact
   ========================================================================== */

/* --------------------------------------------------------------------------
   Navbar
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background-color: rgba(249, 248, 246, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  z-index: 100;
  transition: all 0.2s ease;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.brand-dot {
  width: 7px;
  height: 7px;
  background-color: var(--text-primary);
  border-radius: var(--radius-full);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--text-primary);
  transition: width 0.2s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-github-btn {
  display: none;
}

@media (min-width: 768px) {
  .nav-github-btn {
    display: inline-flex;
  }
}

/* Mobile Hamburger Button */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.menu-toggle:hover {
  background-color: var(--bg-subtle);
  border-color: var(--border-hover);
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

/* Mobile Navigation Drawer */
.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(24, 24, 27, 0.45);
  backdrop-filter: blur(4px);
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(80vw, 300px);
  background-color: var(--bg-surface-warm);
  border-left: 1px solid var(--border-light);
  box-shadow: var(--shadow-xl);
  z-index: 160;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
}

.drawer-close {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
}

.drawer-close:hover {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}

.drawer-link {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-md);
  transition: background-color 0.15s ease;
}

.drawer-link:hover {
  background-color: var(--bg-subtle);
}

/* --------------------------------------------------------------------------
   Hero Section (Compact & Circular Portrait)
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: calc(var(--navbar-height) + 1.5rem);
  padding-bottom: 3.5rem;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: center;
  width: 100%;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
  }
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background-color: var(--status-live-bg);
  border: 1px solid var(--status-live-border);
  color: var(--text-primary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: var(--text-primary);
  position: relative;
}

.status-indicator::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: var(--radius-full);
  background-color: rgba(24, 24, 27, 0.25);
  animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

.hero-heading {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 0.4rem;
}

@media (min-width: 768px) {
  .hero-heading {
    font-size: 3rem;
  }
}

.hero-subheading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: -0.015em;
  margin-bottom: 0.875rem;
}

@media (min-width: 768px) {
  .hero-subheading {
    font-size: 1.45rem;
  }
}

.hero-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 34rem;
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.hero-tech-stack {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hero-tech-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.hero-tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* Circular Portrait Frame */
.hero-portrait-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.portrait-circle-frame {
  width: 210px;
  height: 210px;
  border-radius: 50%;
  padding: 4px;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-light);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

@media (min-width: 768px) {
  .portrait-circle-frame {
    width: 240px;
    height: 240px;
  }
}

.portrait-circle-frame:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}

.portrait-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 50%;
  display: block;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

.about-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.focus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 600px) {
  .focus-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.focus-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.125rem;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s ease;
}

.focus-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.focus-icon {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.625rem;
}

.focus-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.focus-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   Experience Section (Timeline)
   -------------------------------------------------------------------------- */
.experience-wrapper {
  max-width: 48rem;
  margin: 0 auto;
}

.experience-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-xs);
  position: relative;
  transition: all 0.2s ease;
}

@media (min-width: 768px) {
  .experience-card {
    padding: 2rem;
  }
}

.experience-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}

.experience-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}

@media (min-width: 768px) {
  .experience-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.experience-role-title {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.015em;
}

.experience-company {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.experience-period-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background-color: var(--status-live-bg);
  border: 1px solid var(--status-live-border);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  align-self: flex-start;
}

.experience-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.experience-bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.bullet-check-icon {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  color: var(--text-primary);
  margin-top: 0.2rem;
}

.experience-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

/* --------------------------------------------------------------------------
   Projects Section (Unified Grid)
   -------------------------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s ease;
}

.project-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-top {
  display: flex;
  flex-direction: column;
}

.project-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.project-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.card-bottom {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
}

/* --------------------------------------------------------------------------
   Skills Section (Categorized)
   -------------------------------------------------------------------------- */
.skills-categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .skills-categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .skills-categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.skill-category-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s ease;
}

.skill-category-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-xs);
}

.category-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.875rem;
  padding-bottom: 0.625rem;
  border-bottom: 1px solid var(--border-light);
}

.category-icon-box {
  width: 1.85rem;
  height: 1.85rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.category-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
}

.category-badges-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.65rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  transition: all 0.15s ease;
}

.skill-chip:hover {
  background-color: var(--bg-subtle-hover);
  border-color: var(--border-hover);
}

.skill-chip.primary-tech {
  font-weight: 600;
  background-color: var(--bg-surface);
  border-color: var(--border-hover);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact-cta-card {
  background: linear-gradient(135deg, #FFFFFF 0%, #FAF7F2 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 2.25rem 1.5rem;
  text-align: center;
  max-width: 48rem;
  margin: 0 auto;
  box-shadow: var(--shadow-xs);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .contact-cta-card {
    padding: 3rem 2rem;
  }
}

.contact-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.contact-heading {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .contact-heading {
    font-size: 2.25rem;
  }
}

.contact-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 32rem;
  margin: 0 auto 1.75rem;
  line-height: 1.6;
}

.contact-links-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
}

.social-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  box-shadow: var(--shadow-xs);
  transition: all 0.2s ease;
}

.social-button:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xs);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border-light);
  background-color: var(--bg-surface);
  padding: 1.75rem 0;
  margin-top: 2.5rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    text-align: left;
  }
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer-nav-link {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

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