:root {
  --bg: #f7faf8;
  --surface: #ffffff;
  --surface-soft: #edf4f1;
  --ink: #17211c;
  --muted: #5d6b66;
  --line: #d9e4df;
  --accent: #1f6f68;
  --accent-dark: #173f3a;
  --copper: #a76438;
  --copper-soft: #f5e6dc;
  --shadow: 0 18px 50px rgba(23, 33, 28, 0.12);
  --radius: 8px;
  --wrap: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
  letter-spacing: 0;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.wrap {
  width: min(var(--wrap), calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-160%);
  background: var(--ink);
  color: #fff;
  padding: 10px 12px;
  border-radius: var(--radius);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 250, 248, 0.92);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
}

.site-header[data-elevated="true"] {
  border-bottom-color: var(--line);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  background: var(--accent-dark);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  white-space: nowrap;
}

.brand small {
  color: var(--muted);
  font-size: 0.85rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
}

.nav-menu a:not(.button):hover,
.site-footer a:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease;
}

.button:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-1px);
}

.button-secondary {
  background: transparent;
  color: var(--accent-dark);
  border-color: var(--line);
}

.button-secondary:hover {
  background: var(--surface-soft);
  border-color: var(--accent);
  color: var(--accent-dark);
}

.button-small {
  min-height: 38px;
  padding-inline: 14px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 78px 0 52px;
  background:
    linear-gradient(135deg, rgba(31, 111, 104, 0.12), transparent 38%),
    linear-gradient(315deg, rgba(167, 100, 56, 0.12), transparent 36%),
    var(--bg);
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.58fr);
  gap: 54px;
  align-items: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--copper);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  max-width: 760px;
  font-size: 4.1rem;
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-size: 1.08rem;
}

.lede {
  max-width: 720px;
  margin: 24px 0 0;
  color: #34433e;
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0;
}

.availability {
  margin: 22px 0 0;
  max-width: 680px;
  color: var(--muted);
}

.hero-panel {
  display: grid;
  gap: 18px;
}

.portrait-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  aspect-ratio: 1 / 1.05;
}

.portrait-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-strip {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  color: var(--muted);
}

.contact-strip a {
  color: var(--accent-dark);
  font-weight: 800;
}

.stats-band {
  padding: 24px 0;
  background: var(--accent-dark);
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat {
  min-height: 122px;
  padding: 22px;
  background: var(--accent-dark);
}

.stat strong {
  display: block;
  color: #fff;
  font-size: 2.15rem;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.78);
}

.section {
  padding: 86px 0;
}

.section-muted {
  background: var(--surface-soft);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(220px, 0.45fr) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

.sticky-heading {
  position: sticky;
  top: 106px;
}

.prose p {
  margin: 0 0 18px;
  color: #3a4743;
  font-size: 1.05rem;
}

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

.section-heading {
  display: grid;
  max-width: 740px;
  gap: 4px;
  margin-bottom: 32px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card,
.timeline-item,
.panel,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.service-card {
  min-height: 220px;
  padding: 22px;
}

.service-card::before {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  margin-bottom: 20px;
  border-radius: 999px;
  background: var(--copper);
}

.service-card p,
.timeline-item p,
.panel p {
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  position: relative;
  padding: 22px 22px 22px 28px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 4px;
  background: var(--accent);
  border-radius: 999px;
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.timeline-meta strong {
  color: var(--copper);
}

.timeline-item p {
  margin-bottom: 0;
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.skill-group {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f9fbfa;
  color: #33433e;
  font-size: 0.92rem;
}

.education-grid,
.stacked {
  display: grid;
  gap: 16px;
}

.panel {
  padding: 24px;
}

.education-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.education-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.education-item:first-child {
  padding-top: 8px;
}

.education-item time {
  display: block;
  color: var(--copper);
  font-weight: 900;
}

.plain-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.plain-list li {
  position: relative;
  padding-left: 18px;
  color: #374640;
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 28px;
}

.link-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.research-link {
  display: grid;
  gap: 3px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.research-link:last-child {
  border-bottom: 0;
}

.research-link a {
  color: var(--accent);
  font-weight: 800;
}

.research-link span {
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-section {
  padding: 82px 0;
  background: var(--accent-dark);
  color: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.48fr);
  gap: 54px;
  align-items: start;
}

.contact-grid p {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.78);
}

.contact-card {
  display: grid;
  gap: 12px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.contact-card a {
  color: #fff;
  font-weight: 900;
}

.contact-card span,
.contact-card small {
  color: rgba(255, 255, 255, 0.75);
}

.site-footer {
  padding: 26px 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.admin-body {
  background: #eef4f1;
}

.admin-header {
  padding: 36px 0;
  background: var(--accent-dark);
  color: #fff;
}

.admin-header .section-kicker {
  color: #f0c19f;
}

.admin-header-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.admin-header h1 {
  font-size: 2.2rem;
}

.admin-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-layout {
  padding: 30px 0 60px;
}

.admin-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(23, 33, 28, 0.08);
}

.admin-tabs {
  display: flex;
  gap: 1px;
  padding: 8px;
  border-bottom: 1px solid var(--line);
  background: #f5f8f6;
  border-radius: var(--radius) var(--radius) 0 0;
}

.tab-button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  cursor: pointer;
}

.tab-button.is-active {
  background: var(--surface);
  border-color: var(--line);
  color: var(--accent-dark);
}

.admin-form {
  padding: 24px;
}

.tab-panel {
  display: none;
  gap: 18px;
}

.tab-panel.is-active {
  display: grid;
}

.form-grid,
.publish-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-form label {
  display: grid;
  gap: 7px;
  color: #25332f;
  font-weight: 800;
}

.admin-form input,
.admin-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 12px 13px;
  font-weight: 500;
}

.admin-form textarea {
  min-height: 96px;
  resize: vertical;
}

.admin-form input:focus,
.admin-form textarea:focus {
  outline: 3px solid rgba(31, 111, 104, 0.18);
  border-color: var(--accent);
}

.field-help,
.status-line {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.code-area {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92rem;
  line-height: 1.5;
}

@media (max-width: 980px) {
  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 1.85rem;
  }

  .hero-grid,
  .two-column,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .hero-panel {
    max-width: 430px;
  }

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

  .sticky-heading {
    position: static;
  }
}

@media (max-width: 760px) {
  .wrap {
    width: min(100% - 28px, var(--wrap));
  }

  .nav {
    min-height: 68px;
  }

  .brand strong {
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand small {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    left: 14px;
    right: 14px;
    top: 68px;
    display: none;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .nav-menu.is-open {
    display: grid;
  }

  .hero {
    padding-top: 48px;
  }

  h1 {
    font-size: 2.35rem;
  }

  .lede {
    font-size: 1.04rem;
  }

  .stats-grid,
  .card-grid,
  .skill-grid,
  .columns,
  .form-grid,
  .publish-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .contact-section {
    padding: 58px 0;
  }

  .admin-header-grid,
  .footer-grid {
    display: grid;
  }

  .admin-tabs {
    overflow-x: auto;
  }
}