/* Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-height);
  gap: var(--space-4);
  flex-wrap: nowrap;
}

.nav__brand {
  margin-right: auto;
  color: var(--color-accent);
  font-family: 'Charmonman', cursive;
  letter-spacing: 0.5em;
  font-size: 1.35rem;
  transition: all 0.35s ease;
}

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

.site-header.is-scrolled .nav__brand {
  letter-spacing: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__links a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  font-weight: 500;
}

.nav__links a:hover,
.nav__links a.is-active {
  color: var(--color-text);
}

.nav__links a.nav__cta {
  margin-left: 0.4rem;
  min-height: 36px;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  color: #fff;
}

.nav__links a.nav__cta:hover {
  color: #fff;
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-text);
}

.nav__toggle-bar,
.nav__toggle-bar::before,
.nav__toggle-bar::after {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: currentColor;
  border-radius: 2px;
  content: "";
}

.nav__toggle-bar {
  position: relative;
}

.nav__toggle-bar::before {
  position: absolute;
  top: -6px;
}

.nav__toggle-bar::after {
  position: absolute;
  top: 6px;
}

/* Hero */
.hero {
  padding: 4.5rem 0 3.5rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  align-items: center;
  gap: 3.5rem;
}

.hero__eyebrow {
  margin: 0 0 var(--space-3);
}

.hero__title {
  margin: 0 0 var(--space-4);
  font-size: var(--step-display);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.hero__lede {
  max-width: 34rem;
  margin: 0 0 var(--space-6);
  color: var(--color-text-muted);
  font-size: 1.125rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: var(--space-5);
}

.hero__socials {
  display: flex;
  gap: 0.65rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-muted);
  background: #fff;
}

.social-link:hover {
  color: var(--color-text);
  border-color: #cfd3cf;
}

.social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.hero__portrait-wrap {
  display: flex;
  justify-content: center;
}

.hero__portrait {
  width: min(340px, 100%);
  aspect-ratio: 1;
  padding: 0.7rem;
  border-radius: 50%;
  background: #eef1ee;
  box-shadow: var(--shadow-md);
}

.hero__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
}

/* Stats */
.stats {
  padding: 2.25rem 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.stat {
  text-align: center;
}

.stat__value {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.stat__label {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

.card:hover,
.card:focus-visible {
  transform: translateY(-3px);
  border-color: #d7dbd7;
  box-shadow: var(--shadow-md);
  color: inherit;
}

.card__media {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  padding: 1.1rem;
  background: #f1f3f1;
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.15rem 1.2rem 1.3rem;
}

.card__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.card__summary {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.card__meta {
  margin-top: auto;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

/* Experience timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.timeline__item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem 1.15rem;
  width: 100%;
  padding: 1rem 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

.timeline__item:hover,
.timeline__item:focus-visible {
  transform: translateY(-2px);
  border-color: #d7dbd7;
  box-shadow: var(--shadow-md);
  color: inherit;
}

.timeline__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0.35rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #fff;
}

.timeline__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.timeline__title {
  display: block;
  margin: 0;
  font-size: 1.02rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.timeline__company {
  display: block;
  margin: 0.15rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.timeline__dates {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  white-space: nowrap;
}

/* Education */
.education-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.education-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.15rem;
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.education-card__logo {
  width: 64px;
  height: 64px;
  padding: 0.35rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #fff;
}

.education-card__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.education-card h3 {
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.education-card__meta {
  margin: 0 0 0.75rem;
  color: var(--color-text-muted);
}

.education-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.35rem 0 0;
}

.education-card__group {
  margin-top: 0.75rem;
}

.education-card__group-label {
  margin: 0 0 0.4rem;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Articles */
.article-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.article-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: transform var(--ease), box-shadow var(--ease);
}

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

.article-card__media {
  aspect-ratio: 16 / 10;
  background: #f1f3f1;
}

.article-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-card__title {
  margin: 0;
  padding: 1rem 1.05rem 1.15rem;
  font-size: 0.98rem;
  font-weight: 650;
  line-height: 1.35;
}

/* Skills */
.skills-groups {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.skills-group h3 {
  margin: 0 0 0.7rem;
  font-size: 0.95rem;
  font-weight: 650;
}

.skills-group__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

/* Footer */
.site-footer {
  padding: 3.5rem 0 2rem;
  background: var(--color-footer);
  color: #fff;
}

.site-footer a {
  color: #fff;
}

.site-footer a:hover {
  color: #d9e8df;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer__title {
  margin: 0;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.footer__email {
  margin: 0;
  color: var(--color-footer-muted);
}

.footer__socials {
  display: flex;
  gap: 0.65rem;
}

.site-footer .social-link {
  background: transparent;
  border-color: #2b2b2b;
  color: #d5d5d5;
}

.site-footer .social-link:hover {
  border-color: #4a4a4a;
  color: #fff;
}

.footer__copy {
  margin: 1.25rem 0 0;
  color: var(--color-footer-muted);
  font-size: 0.85rem;
}

.brand-text {
  color: yellowgreen;
  font-family: 'Charmonman', cursive;
}

@media (max-width: 1024px) {
  .card-grid,
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .nav__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav__panel {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    padding: 0.85rem 1.25rem 1.35rem;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .site-header.is-open .nav__panel {
    display: block;
  }

  .nav__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .nav__links a.nav__cta {
    margin: 0.35rem 0 0;
  }

  .hero,
  .hero__grid {
    padding-top: 2rem;
  }

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

  .hero__portrait {
    width: min(240px, 70vw);
  }

  .stats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem 1rem;
  }

  .timeline__item {
    grid-template-columns: auto 1fr;
  }

  .timeline__dates {
    grid-column: 2;
    white-space: normal;
  }
}

@media (max-width: 640px) {
  .card-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .education-card {
    grid-template-columns: 1fr;
  }

  .hero__title {
    font-size: 2.35rem;
  }
}