:root {
  --ink: #17202a;
  --muted: #5b6876;
  --line: #dce3ea;
  --panel: #ffffff;
  --page: #f4f7fa;
  --accent: #216e7a;
  --accent-dark: #15525b;
  --accent-soft: #e7f3f4;
  --green: #2f7d59;
  --shadow: 0 18px 50px rgba(23, 32, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: var(--accent-dark);
}

a:hover,
a:focus {
  color: var(--accent);
}

.cv-container {
  max-width: 1060px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: #fff;
  border-radius: 6px;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(244, 247, 250, 0.92);
  border-bottom: 1px solid rgba(220, 227, 234, 0.9);
  backdrop-filter: blur(16px);
}

.header-inner,
.site-footer .cv-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-inner {
  min-height: 68px;
}

.site-mark,
.social-nav a,
.footer-links a,
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.site-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.section-nav,
.social-nav,
.footer-links,
.hero-actions,
.tag-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.section-nav {
  justify-content: center;
}

.section-nav a {
  min-height: 44px;
  padding: 0.65rem 0.8rem;
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
  border-radius: 6px;
}

.section-nav a:hover,
.section-nav a:focus {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.social-nav a,
.footer-links a {
  width: 44px;
  height: 44px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 50%;
}

.social-nav a:hover,
.social-nav a:focus,
.footer-links a:hover,
.footer-links a:focus {
  color: var(--accent-dark);
  border-color: var(--line);
  background: #fff;
}

.page-content {
  padding: 2rem 0 0;
}

.hero,
.content-section {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 2rem;
  align-items: center;
  padding: clamp(1.75rem, 4vw, 3rem);
  border-radius: 8px;
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.35rem, 5vw, 4.1rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 650px;
  margin: 1rem 0 1.2rem;
  color: #263543;
  font-size: 1.08rem;
  line-height: 1.45;
}

.hero-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  max-width: 760px;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
}

.hero-details li {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  min-width: 0;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.hero-details i {
  color: var(--accent);
}

.hero-portrait {
  justify-self: end;
}

.hero-portrait img {
  width: min(100%, 200px);
  height: auto;
  display: block;
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

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

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

.btn-secondary {
  background: #edf2f6;
  border-color: #edf2f6;
  color: var(--ink);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: #dfe7ee;
  border-color: #dfe7ee;
  color: var(--ink);
}

.btn-icon {
  width: 44px;
  padding: 0;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
}

.content-section {
  margin-top: 1.5rem;
  padding: clamp(1.35rem, 3vw, 2.25rem);
  border-radius: 8px;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 1.25rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 1.5rem;
}

.prose {
  max-width: 68ch;
  color: #30404f;
  font-size: 0.98rem;
}

.prose p:last-child,
.compact-role p:last-child {
  margin-bottom: 0;
}

.capability-grid,
.credential-grid {
  display: grid;
  gap: 0.85rem;
}

.capability-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.capability-grid article,
.credential-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.capability-grid article {
  padding: 0.9rem;
}

.capability-grid i {
  color: var(--accent);
  font-size: 1.2rem;
}

.capability-grid h3,
.credential-grid h3 {
  margin: 0.55rem 0 0.35rem;
  font-size: 1rem;
  font-weight: 800;
}

.capability-grid p,
.credential-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
  padding-left: 1.2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0.35rem;
  bottom: 0.35rem;
  left: 0.25rem;
  width: 2px;
  background: var(--line);
}

.timeline-card {
  position: relative;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: #fff;
}

.timeline-card::before {
  content: "";
  position: absolute;
  top: 1.55rem;
  left: -1.59rem;
  width: 0.72rem;
  height: 0.72rem;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--panel);
}

.timeline-card-muted {
  border-left-color: #9aa8b4;
}

.timeline-card-muted::before {
  border-color: #9aa8b4;
}

.is-current {
  border-color: rgba(33, 110, 122, 0.35);
  border-left-color: var(--green);
  background: linear-gradient(180deg, #ffffff 0%, #f8fcfa 100%);
}

.is-current::before {
  border-color: var(--green);
}

.role-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.role-head h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.25;
}

.timeline-card .h5 {
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.3;
}

.timeline-card .h6 {
  display: inline;
  font-size: 0.92rem;
}

.timeline-card .card-body {
  padding: 0;
}

.role-head p,
.role-date {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.role-date {
  margin-top: 0.35rem;
  font-weight: 700;
}

.current-chip,
.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
}

.current-chip {
  flex: 0 0 auto;
  padding: 0.2rem 0.7rem;
  background: #e7f5ec;
  color: #1f6b48;
}

.role-bullets {
  margin: 0.85rem 0 0;
  padding-left: 1.1rem;
  color: #30404f;
  font-size: 0.94rem;
}

.role-bullets li {
  margin-bottom: 0.42rem;
}

.role-bullets li:last-child {
  margin-bottom: 0;
}

.tag-list {
  margin-top: 1rem;
}

.tag-list span {
  padding: 0.2rem 0.65rem;
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.credential-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.credential-grid article {
  padding: 1rem;
}

.site-footer {
  padding: 2rem 0;
  color: var(--muted);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: var(--ink);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: left;
  }

  .hero-portrait {
    order: -1;
    justify-self: start;
  }

  .hero-portrait img {
    width: 150px;
  }

  .hero-details,
  .about-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .page-content {
    padding-top: 1rem;
  }

  .header-inner {
    display: grid;
    grid-template-columns: 42px 1fr auto;
    min-height: auto;
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
  }

  .section-nav {
    order: 3;
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .section-nav a {
    padding: 0.45rem 0.55rem;
  }

  .social-nav a:nth-child(2) {
    display: none;
  }

  .hero,
  .content-section {
    border-radius: 0;
    margin-left: -0.75rem;
    margin-right: -0.75rem;
  }

  .hero {
    padding: 1.4rem;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero-lede {
    font-size: 1.05rem;
  }

  .hero-details {
    gap: 0.5rem;
  }

  .hero-actions {
    align-items: stretch;
  }

  .btn:not(.btn-icon) {
    flex: 1 1 130px;
    justify-content: center;
  }

  .content-section {
    padding: 1.4rem;
  }

  .timeline {
    padding-left: 0;
  }

  .timeline::before,
  .timeline-card::before {
    display: none;
  }

  .timeline-card {
    padding: 1rem;
  }

  .role-head,
  .site-footer .cv-container {
    display: block;
  }

  .current-chip {
    margin-top: 0.65rem;
  }

  .credential-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    margin-top: 0.75rem;
  }
}

@media print {
  body {
    background: #fff;
  }

  .page-content {
    padding: 0;
  }

  .hero,
  .content-section {
    box-shadow: none;
    border-color: #ccc;
    break-inside: avoid;
  }
}