/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-medium);
  font-size: var(--fs-base);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast);
  text-align: center;
  min-height: 48px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: var(--color-primary);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-surface);
  border-color: var(--color-surface);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background-color: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-surface);
}

/* ===== Hero / About (merged) ===== */
.hero {
  position: relative;
  /* Nav is 64px tall. We also subtract another 64px so a strip of the
     Education section below remains visible at the bottom of the
     viewport — acts as a "scroll down for more" cue and matches what
     the "About" nav link scrolls to (see scroll-padding-top in style.css). */
  min-height: calc(100vh - 128px);
  min-height: calc(100svh - 128px);
  background-color: var(--color-dark);
  color: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: var(--space-6);
}

.hero__scroll {
  position: absolute;
  bottom: 24px;
  right: 32px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1;
  opacity: 0;
  animation: hero-scroll-fade 600ms ease-out 1500ms forwards;
  transition: color var(--transition-fast);
}

.hero__scroll:hover,
.hero__scroll:focus-visible {
  color: var(--color-accent-light);
}

.hero__scroll-arrow {
  font-size: 16px;
  line-height: 1;
  animation: hero-scroll-bounce 1.8s ease-in-out infinite;
  animation-delay: 1500ms;
}

@keyframes hero-scroll-fade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes hero-scroll-bounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__scroll {
    opacity: 1;
    animation: none;
  }
  .hero__scroll-arrow {
    animation: none;
  }
}

@media (max-width: 540px) {
  .hero__scroll {
    bottom: 16px;
    right: 18px;
  }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: center;
  justify-items: center;
  text-align: center;
  opacity: 0;
  animation: hero-fade-in 800ms ease-out 100ms forwards;
}

@keyframes hero-fade-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__inner {
    opacity: 1;
    animation: none;
  }
}

.hero__media {
  display: flex;
  justify-content: center;
}

.hero__photo {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  overflow: hidden;
  border: 6px solid var(--color-surface);
}

.hero__photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  max-width: 640px;
}

.hero__title {
  color: var(--color-surface);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  letter-spacing: -0.02em;
  margin: 0;
}

.hero__subtitle {
  color: var(--color-accent);
  font-weight: var(--fw-medium);
  font-size: clamp(1rem, 2.4vw, 1.125rem);
  margin: 0;
  line-height: var(--lh-snug);
}

.hero__subtitle span {
  color: rgba(202, 240, 248, 0.45);
  margin-inline: var(--space-2);
}

.hero__stats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

.hero__chip {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-surface);
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(202, 240, 248, 0.25);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.hero__bio {
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  margin: 0;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-2);
}

@media (max-width: 540px) {
  .hero__title {
    font-size: clamp(1.5rem, 7vw, 2rem);
  }

  .hero__bio {
    font-size: var(--fs-sm);
  }

  .hero__photo {
    width: 160px;
    height: 160px;
    border-width: 5px;
  }

  .hero__cta {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }

  .hero__cta .btn {
    width: 100%;
  }
}

@media (min-width: 900px) {
  .hero__inner {
    grid-template-columns: minmax(200px, 240px) 1fr;
    gap: var(--space-7);
    justify-items: start;
    text-align: left;
  }

  .hero__media {
    justify-self: center;
  }

  .hero__photo {
    width: 200px;
    height: 200px;
  }

  .hero__content {
    align-items: flex-start;
  }

  .hero__stats,
  .hero__cta {
    justify-content: flex-start;
  }
}

@media (min-width: 1024px) {
  .hero__title {
    white-space: nowrap;
  }

  .hero__photo {
    width: 220px;
    height: 220px;
  }

  .hero__bio {
    font-size: var(--fs-md);
  }
}

/* ===== Shared ===== */
.eyebrow {
  font-weight: var(--fw-medium);
  font-size: var(--fs-sm);
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 var(--space-3);
}

/* About section removed — merged into Hero */

/* ===== Section headers ===== */
.section__header {
  margin-bottom: 24px;
  max-width: 720px;
}

.section__header h2 {
  margin: 0;
}

/* ===== Section backgrounds ===== */
.education {
  background-color: var(--color-bg);
}

.experience {
  background-color: var(--color-surface);
}

/* Cards inside white-background sections use grey bg for contrast */
.experience .exp-card {
  background-color: var(--color-bg);
}

.campus .org-card {
  background-color: var(--color-bg);
}

.academic {
  background-color: var(--color-bg);
}

.campus {
  background-color: var(--color-surface);
}

.projects {
  background-color: var(--color-bg);
}

.skills {
  background-color: var(--color-surface);
}

.contact {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-block: var(--space-5);
  font-size: var(--fs-sm);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
}

.footer p {
  margin: 0;
}

.footer__name {
  font-weight: var(--fw-medium);
  color: var(--color-surface);
}

.footer__top {
  color: rgba(255, 255, 255, 0.7);
  font-weight: var(--fw-medium);
  transition: color var(--transition-fast);
}

.footer__top:hover,
.footer__top:focus-visible {
  color: var(--color-accent);
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    gap: var(--space-4);
  }
}

/* ===== Contact ===== */
.contact__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  max-width: 640px;
}

.contact__title {
  color: var(--color-surface);
  margin: 0;
}

.contact__lede {
  color: var(--color-text-muted);
  margin: 0;
  font-size: var(--fs-md);
  line-height: var(--lh-normal);
}

.contact__links {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent);
  color: var(--color-primary);
  transition: background-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-fast);
}

.icon-btn:hover,
.icon-btn:focus-visible {
  background-color: var(--color-accent-light);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.icon-btn svg {
  width: 26px;
  height: 26px;
}

.contact__email {
  margin: var(--space-4) 0 0;
  font-size: var(--fs-md);
  color: var(--color-surface);
}

.contact__email a {
  color: var(--color-surface);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  transition: color var(--transition-fast);
}

.contact__email a:hover {
  color: var(--color-accent);
}

@media (min-width: 640px) {
  .contact__links {
    gap: var(--space-5);
  }

  .icon-btn {
    width: 64px;
    height: 64px;
  }

  .icon-btn svg {
    width: 30px;
    height: 30px;
  }
}

/* ===== Skills ===== */
.skills__groups {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.skill-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.skill-group__label {
  margin: 0;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.skill-group__chips {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.skill-chip {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-dark);
  background-color: var(--color-accent-light);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  line-height: 1.2;
}

/* ===== Projects ===== */
.projects__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

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

.project-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.project-card__title {
  margin: 0;
  font-size: var(--fs-xl);
  color: var(--color-primary);
}

.project-card__desc {
  margin: 0;
  color: var(--color-text);
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.tag {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-primary);
  background-color: var(--color-accent-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.project-card__cta {
  margin-top: auto;
  align-self: flex-start;
}

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  font-size: var(--fs-sm);
  padding: var(--space-2) var(--space-5);
  min-height: 40px;
}

.btn--accent:hover,
.btn--accent:focus-visible {
  background-color: var(--color-dark);
  border-color: var(--color-dark);
  color: var(--color-surface);
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal[hidden] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(28, 36, 50, 0.6);
  animation: modal-fade 200ms ease-out;
}

.modal__panel {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: calc(100vh - 2 * var(--space-4));
  overflow-y: auto;
  padding: var(--space-7) var(--space-5) var(--space-5);
  box-shadow: var(--shadow-lg);
  animation: modal-pop 220ms ease-out;
}

@media (min-width: 640px) {
  .modal__panel {
    padding: var(--space-7) var(--space-6) var(--space-6);
  }
}

.modal__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  line-height: 1;
}

.modal__close:hover,
.modal__close:focus-visible {
  background-color: var(--color-bg);
  color: var(--color-primary);
}

.modal__body h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--fs-2xl);
  color: var(--color-primary);
}

.modal__body .modal__desc {
  color: var(--color-text);
  margin: 0 0 var(--space-5);
}

.modal__meta {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.modal__meta-block h4 {
  margin: 0 0 var(--space-2);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.modal__meta-block p,
.modal__meta-block ul {
  margin: 0;
  color: var(--color-text);
  font-size: var(--fs-sm);
}

.modal__meta-block ul {
  list-style: disc;
  padding-left: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.modal__meta-block ul li::marker {
  color: var(--color-accent);
}

.modal__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

body.modal-open {
  overflow: hidden;
}

@keyframes modal-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modal-pop {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ===== Campus involvement (carousel) ===== */
.carousel {
  position: relative;
  padding-left: 48px;
  padding-right: 48px;
}

@media (min-width: 640px) {
  .carousel {
    padding-left: 56px;
    padding-right: 56px;
  }
}

.carousel__track {
  list-style: none;
  padding: var(--space-2) var(--space-1);
  margin: 0;
  display: flex;
  gap: var(--space-5);
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
}

.carousel__track::-webkit-scrollbar {
  display: none;
}

.carousel__track.is-dragging {
  scroll-behavior: auto;
  cursor: grabbing;
  scroll-snap-type: none;
  user-select: none;
}

.carousel__item {
  flex: 0 0 340px;
  scroll-snap-align: start;
}

.carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background-color: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  opacity: 0.7;
  transition: opacity var(--transition-fast),
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.carousel__arrow:hover,
.carousel__arrow:focus-visible {
  opacity: 1;
  background-color: var(--color-accent);
  color: var(--color-surface);
}

.carousel__arrow svg {
  width: 18px;
  height: 18px;
}

.carousel__arrow--prev { left: 0; }
.carousel__arrow--next { right: 0; }

.carousel__arrow[disabled] {
  opacity: 0;
  pointer-events: none;
}

.org-card {
  background-color: var(--color-surface);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.org-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.org-card__name {
  margin: 0;
  font-size: var(--fs-lg);
  color: var(--color-primary);
  min-width: 0;
  flex: 1 1 auto;
  overflow-wrap: break-word;
}

.org-card__logo {
  position: relative;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-accent-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  overflow: hidden;
}

.org-card__logo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 6px;
  background-color: var(--color-surface);
  padding: 2px;
}

.org-card__role {
  margin: 0;
  font-weight: var(--fw-medium);
  color: var(--color-accent);
  font-size: var(--fs-sm);
}

.org-card__dates {
  margin: 0;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: var(--fw-medium);
}

.org-card__desc {
  margin: var(--space-2) 0 0;
  color: var(--color-text);
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
}

@media (min-width: 640px) {
  .campus__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* ===== Education ===== */
.edu-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.edu-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  transition: transform var(--transition-base), border-left-color var(--transition-base);
}

.edu-card:hover {
  transform: translateX(2px);
  border-left-color: var(--color-dark);
}

.edu-card__logo {
  position: relative;
  flex: 0 0 56px;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-accent-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  overflow: hidden;
}

.edu-card__logo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 6px;
  background-color: var(--color-surface);
  padding: 2px;
}

.edu-card__body {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.edu-card__institution {
  margin: 0;
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  line-height: var(--lh-tight);
  overflow-wrap: break-word;
}

.edu-card__degree {
  margin: 0;
  font-weight: var(--fw-regular);
  color: var(--color-text);
  font-size: var(--fs-base);
}

.edu-card__meta {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.edu-card__gpa {
  margin: 0;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-primary);
}

.edu-card__notes {
  margin: var(--space-1) 0 0;
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: var(--lh-normal);
}

.edu-card__notes-list {
  list-style: disc;
  padding-left: var(--space-5);
  margin: var(--space-1) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: var(--lh-normal);
}

.edu-card__notes-list li::marker {
  color: var(--color-accent);
}

@media (max-width: 559px) {
  .edu-card {
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-5);
  }
}

/* ===== Publications ===== */
.publications {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-accent);
}

.publications__heading {
  margin: 0 0 16px;
  font-size: var(--fs-xl);
  color: var(--color-primary);
}

.publications__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.pub-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(28, 36, 50, 0.08);
}

.pub-item:last-child {
  border-bottom: none;
}

.pub-item__main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.pub-item__title {
  margin: 0;
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  line-height: var(--lh-snug);
}

.pub-item__meta {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.pub-item__link {
  flex-shrink: 0;
}

.btn--accent-outline {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  padding: var(--space-2) var(--space-4);
  min-height: 36px;
}

.btn--accent-outline:hover,
.btn--accent-outline:focus-visible {
  background-color: var(--color-accent);
  color: var(--color-surface);
  border-color: var(--color-accent);
}

@media (max-width: 639px) {
  .pub-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}

/* ===== Experience timeline ===== */
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.timeline__item {
  position: relative;
}

.exp-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform var(--transition-base), border-left-color var(--transition-base);
}

.exp-card:hover {
  transform: translateX(2px);
  border-left-color: var(--color-dark);
}

/* Experience cards with a logo column (Experience section only) */
.exp-card--with-logo {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-4);
}

.exp-card__logo {
  position: relative;
  flex: 0 0 56px;
  flex-shrink: 0;
  flex-grow: 0;
  width: 56px;
  height: 56px;
  min-width: 56px;
  max-width: 56px;
  min-height: 56px;
  max-height: 56px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  overflow: hidden;
}

.exp-card__logo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 6px;
  background-color: var(--color-surface);
  padding: 2px;
}

.exp-card__body {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.exp-card__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.exp-card__company {
  margin: 0;
  font-size: var(--fs-xl);
  color: var(--color-primary);
}

.exp-card__role {
  margin: 0;
  font-weight: var(--fw-medium);
  color: var(--color-accent);
}

.exp-card__meta {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.exp-card__list {
  list-style: disc;
  padding-left: var(--space-5);
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.exp-card__list li {
  color: var(--color-text);
  line-height: var(--lh-normal);
}

.exp-card__list li::marker {
  color: var(--color-accent);
}

@media (min-width: 768px) {
  .timeline {
    padding-left: var(--space-7);
    gap: 20px;
  }

  .timeline::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background-color: var(--color-accent-light);
    border-radius: var(--radius-full);
  }

  .timeline__item::before {
    content: "";
    position: absolute;
    left: -46px;
    top: var(--space-5);
    width: 14px;
    height: 14px;
    border-radius: var(--radius-full);
    background-color: var(--color-accent);
    border: 3px solid var(--color-bg);
  }
}

/* ===== Navigation ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-primary);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: var(--space-4);
}

.nav__brand {
  font-weight: var(--fw-bold);
  font-size: var(--fs-lg);
  color: var(--color-surface);
  letter-spacing: -0.01em;
}

.nav__brand:hover {
  color: var(--color-accent);
}

.nav__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-surface);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__list {
  display: none;
  list-style: none;
}

.nav__link {
  display: block;
  font-weight: var(--fw-medium);
  font-size: var(--fs-sm);
  color: var(--color-surface);
  padding: var(--space-3) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-accent);
}

.nav__link.is-active {
  color: var(--color-accent);
}

/* Mobile + small tablet: full-width dropdown */
@media (max-width: 959px) {
  .nav__list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-primary);
    padding: var(--space-3) var(--container-padding) var(--space-5);
    gap: var(--space-1);
  }

  .nav__list[hidden] {
    display: none;
  }

  .nav__list:not([hidden]) {
    display: flex;
  }

  .nav__link {
    padding: var(--space-3) 0;
    font-size: var(--fs-base);
  }

  .nav__link.is-active::before {
    content: "";
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 16px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
  }
}

/* Desktop: inline links */
@media (min-width: 960px) {
  .nav__toggle {
    display: none;
  }

  .nav__list {
    display: flex;
    gap: var(--space-5);
  }

  .nav__list[hidden] {
    display: flex;
  }

  .nav__link.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 2px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
  }
}