.page-section {
  display: none;
  width: 100%;
  height: 100vh;
  min-height: 100vh;
  max-height: 100vh;
  overflow: hidden;
  box-sizing: border-box;
  position: relative;
}
.page-section.page-section--active {
  display: flex;
  flex-direction: column;
}
.page-section--scrollable {
  overflow-y: auto;
}
.nav-link-active {
  color: var(--text-dark) !important;
  font-weight: 600;
}
.nav-link-active::after {
  transform: scaleX(1) !important;
  transform-origin: bottom left !important;
}

.experience-item .experience-content {
  display: block !important;
}
.experience-item:not(.active) .experience-content {
  display: block !important;
}
/* .experience-item:not(.active) { padding-bottom: 12px; } */
.experience-item:not(.active) .experience-description {
  margin-bottom: 10px;
}
.experience-toggle {
  display: none !important;
}

.about-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 8px 0 60px;
}
.about-hero {
  position: relative;
  padding: 28px 0 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}
.about-hero__eyebrow {
  font-family: "Space Mono", monospace;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--primary-blue);
  text-transform: uppercase;
  margin-bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.about-hero__eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--primary-blue);
  display: inline-block;
}
.about-hero__name {
  font-size: 38px;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -1.2px;
  line-height: 1.05;
  margin: 0 0 8px;
}
.about-hero__name .accent {
  color: var(--primary-blue);
}
.about-hero__role {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0 0 14px;
  font-weight: 500;
}
.about-hero__tagline {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-gray);
  max-width: 640px;
  margin: 0;
}
[data-theme="dark"] .about-hero__tagline {
  color: #b8bcc6;
}
.about-intro {
  position: relative;
  padding: 8px 0 16px 20px;
  border-left: 2px solid var(--border-light);
  margin-bottom: 28px;
  transition: border-color 0.3s ease;
}
.about-intro:hover {
  border-left-color: var(--primary-blue);
}
.about-intro p {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-gray);
  margin: 0 0 12px;
}
.about-intro p:last-child {
  margin-bottom: 0;
}
.about-intro p strong {
  color: var(--text-dark);
  font-weight: 600;
}
[data-theme="dark"] .about-intro p {
  color: #b8bcc6;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 36px;
}
.about-card {
  position: relative;
  padding: 18px 18px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
  overflow: hidden;
}
.about-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--primary-blue);
  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.about-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary-blue);
  box-shadow: 0 8px 24px rgba(24, 62, 235, 0.08);
}
.about-card:hover::before {
  height: 100%;
}
[data-theme="dark"] .about-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.about-card__icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-card-alt);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-blue);
  font-size: 14px;
  margin-bottom: 12px;
}
.about-card__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
  margin: 0 0 6px;
  letter-spacing: -0.2px;
}
.about-card__text {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

/* ---- Illustration image variant of .fx-art (raster images) ---- */
.fx-art.fx-art--img {
  background: var(--bg-card-alt);
}
.fx-art.fx-art--img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition:
    transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1),
    filter 0.4s ease,
    opacity 0.4s ease;
}
.about-card:hover .fx-art--img img {
  transform: scale(1.04);
}
/* Dark theme: invert + hue-rotate keeps line-art readable on dark card bg */
[data-theme="dark"] .fx-art.fx-art--img img {
  filter: invert(1) hue-rotate(180deg) brightness(0.92) contrast(0.95);
  opacity: 0.9;
}
[data-theme="dark"] .about-card:hover .fx-art--img img {
  opacity: 1;
}

.about-section-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}
.about-section-header__index {
  font-family: "Space Mono", monospace;
  font-size: 11px;
  color: var(--primary-blue);
  letter-spacing: 1px;
  font-weight: 600;
}
.about-section-header__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0;
  letter-spacing: -0.4px;
}
.about-section-header__line {
  flex: 1;
  height: 1px;
  background: var(--border-light);
}

.about-skills {
  margin-bottom: 36px;
}
.about-skills__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.about-skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  background: var(--bg-card);
  border-radius: 20px;
  font-size: 12px;
  color: #111111;
  transition: all 0.25s ease;
  cursor: default;
}
.about-skill-chip i {
  font-size: 11px;
  color: #111111;
  transition: color 0.25s ease;
}
[data-theme="dark"] .about-skill-chip {
  color: #c5c9d3;
}

.experience-section {
  position: relative;
  padding: 8px 0 0;
}
.experience-list {
  position: relative;
}
/* .experience-list::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(to bottom, var(--primary-blue) 0%, var(--border-light) 50%, transparent 100%); } */
.experience-item {
  position: relative;
  padding: 0 0 0px;
  border-bottom: none;
}
.experience-item:last-child {
  padding-bottom: 0;
}
/* .experience-item::before { content: ""; position: absolute; left: -32px; top: 18px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg-card); border: 2px solid var(--primary-blue); z-index: 2; transition: all 0.3s ease; } */
/* .experience-item::after { content: ""; position: absolute; left: -28px; top: 22px; width: 8px; height: 8px; border-radius: 50%; background: var(--primary-blue); z-index: 3; transition: all 0.3s ease; } */
/* .experience-item:hover::before { transform: scale(1.2); box-shadow: 0 0 0 6px rgba(24, 62, 235, 0.10); }
.experience-item:hover::after { transform: scale(0.7); } */
.experience-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 0px;
  border-bottom: none;
  transition: border-color 0.3s ease;
}
/* .experience-item:hover .experience-header { border-color: var(--primary-blue); } */
.experience-logo {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: var(--bg-card);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
[data-theme="dark"] .experience-logo {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.experience-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}
.experience-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex: 1;
  min-width: 0;
  gap: 12px;
  flex-wrap: wrap;
}
.experience-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  min-width: 0;
}
.experience-meta h3 {
  margin: 0;
  font-size: 14px;
  letter-spacing: -0.2px;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.3;
}
.experience-meta a {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
  text-decoration: underline;
  text-decoration-color: var(--border-soft);
  text-underline-offset: 3px;
  transition: color 0.2s ease;
  font-weight: 500;
}
.experience-meta a:hover {
  color: var(--primary-blue);
  text-decoration-color: var(--primary-blue);
}
.experience-date {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--bg-card-alt);
  border: 1px solid var(--border-light);
  color: var(--text-dark);
  font-size: 10.5px;
  font-weight: 500;
  white-space: nowrap;
  letter-spacing: 0.2px;
}
/* .experience-date::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--primary-blue); display: inline-block; animation: expPulse 2.5s ease-in-out infinite; } */
@keyframes expPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}
.experience-content {
  margin-left: 0;
  padding: 14px 18px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-top: none;
  border-radius: 0 0 12px 12px;
  overflow: hidden;
}
.experience-description {
  margin: 0 0 12px;
  color: var(--text-gray);
  font-size: 13px;
  line-height: 1.7;
}
[data-theme="dark"] .experience-description {
  color: #b8bcc6;
}
.experience-content ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 16px;
}
.experience-content li {
  position: relative;
  padding-left: 20px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
}
.experience-content li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 12px;
  height: 1px;
  background: var(--primary-blue);
}
.experience-content li:hover {
  color: var(--text-dark);
}
.experience-item .experience-header,
.experience-item .experience-content {
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
}
/* .experience-item:hover .experience-header, .experience-item:hover .experience-content { box-shadow: 0 8px 24px rgba(24, 62, 235, 0.06); } */
[data-theme="dark"] .experience-item:hover .experience-header,
[data-theme="dark"] .experience-item:hover .experience-content {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

@media (max-width: 1023px) {
  .about-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-hero__name {
    font-size: 32px;
  }
}
@media (max-width: 640px) {
  .about-cards {
    grid-template-columns: 1fr;
  }
  .about-hero__name {
    font-size: 28px;
  }
  .experience-content ul {
    grid-template-columns: 1fr;
  }
  .experience-meta {
    gap: 6px 10px;
  }
  .experience-meta h3 {
    width: 100%;
  }
}