:root {
  --background: #f8fafc;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5d687a;
  --border: #dbe3ee;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --dark: #0f172a;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.headshot {
  display: block;
  width: 150px;
  height: 150px;
  margin: 0 0 24px;
  border: 4px solid #ffffff;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--dark);
  font-size: 1.05rem;
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: block;
  width: 75px;
  height: 75px;
  border-radius: 12px;
  object-fit: contain;
}

.brand:hover {
  color: var(--primary);
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
}

nav a:hover {
  color: var(--primary);
}

.hero,
.section {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  max-width: 900px;
  padding: 92px 0 88px;
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--dark);
  line-height: 1.15;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 4.75rem);
  letter-spacing: -0.05em;
}

h2 {
  max-width: 760px;
  margin: 0 0 22px;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.03em;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
}

.hero-copy {
  max-width: 750px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 1.15rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  transition: 0.2s ease;
}

.button-primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
}

.button-primary:hover {
  border-color: var(--primary-dark);
  background: var(--primary-dark);
}

.button-secondary {
  background: var(--surface);
  color: var(--dark);
}

.button-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.section {
  padding: 76px 0;
}

.section p:not(.section-label) {
  max-width: 780px;
  color: var(--muted);
}

.section-alt {
  width: 100%;
  max-width: none;
  padding-right: max(20px, calc((100% - var(--max-width)) / 2));
  padding-left: max(20px, calc((100% - var(--max-width)) / 2));
  background: #eef4ff;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.card p {
  margin: 0;
  font-size: 0.96rem;
}

.credential-list {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
}

.contact-section {
  padding-bottom: 100px;
}

.contact-link {
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 750;
  text-decoration: none;
}

.contact-link:hover {
  text-decoration: underline;
}

footer {
  padding: 30px 20px;
  background: var(--dark);
  color: #cbd5e1;
  font-size: 0.9rem;
  text-align: center;
}

.footer-mark {
  display: block;
  width: 60px;
  height: 60px;
  margin: 0 auto 12px;
  border-radius: 7px;
  object-fit: contain;
}

footer p {
  margin: 0;
}

/* Homepage project cards */
.projects-section {
  padding-top: 86px;
  padding-bottom: 86px;
}

.projects-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  align-items: end;
  gap: 32px;
  margin-bottom: 34px;
}

.projects-heading h2 {
  margin-bottom: 0;
}

.projects-intro {
  max-width: 500px;
  margin: 0;
  color: var(--muted);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.project-card {
  display: flex;
  min-height: 342px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.project-card:hover {
  border-color: #b9cdfb;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
  transform: translateY(-3px);
}

.project-card-featured {
  border-color: #b9cdfb;
  background: linear-gradient(145deg, #ffffff 0%, #f5f9ff 100%);
}

.project-card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.project-category {
  margin: 0;
  color: var(--primary);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.project-status {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 750;
  line-height: 1;
}

.project-status-complete {
  border: 1px solid #bbf7d0;
  background: #f0fdf4;
  color: #166534;
}

.project-status-progress {
  border: 1px solid #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
}

.project-status-planned {
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  color: #475569;
}

.project-card h3 {
  margin: 0 0 14px;
  font-size: clamp(1.2rem, 2vw, 1.42rem);
  letter-spacing: -0.02em;
}

.project-summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.project-tags span {
  padding: 5px 9px;
  border: 1px solid #dbe3ee;
  border-radius: 999px;
  background: #f8fafc;
  color: #475569;
  font-size: 0.76rem;
  font-weight: 650;
  line-height: 1.2;
}

.project-card-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid #e8edf3;
}

.project-meta {
  color: #64748b;
  font-size: 0.8rem;
}

.project-link {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 5px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
}

.project-link:hover {
  text-decoration: underline;
}

.project-link-disabled {
  color: #64748b;
  cursor: default;
}

.project-link-disabled:hover {
  text-decoration: none;
}

/* Infrastructure project page */
.project-hero {
  padding: 72px 0 62px;
  background: linear-gradient(180deg, #f8fafc 0%, #eef4ff 100%);
}

.project-hero-content,
.project-layout {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 38px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
}

.back-link:hover {
  color: var(--primary);
}

.project-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
}

.project-title-row h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(2.25rem, 5vw, 4rem);
  letter-spacing: -0.045em;
}

.project-lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.15rem;
}

.project-hero-tags {
  margin-top: 28px;
}

.project-content-section {
  padding: 72px 0 100px;
}

.project-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  align-items: start;
  gap: 68px;
}

.project-sidebar {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 16px;
}

.project-sidebar-card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.sidebar-label,
.article-kicker {
  margin: 0 0 13px;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.project-facts {
  display: grid;
  gap: 17px;
  margin: 0;
}

.project-facts div {
  display: grid;
  gap: 3px;
}

.project-facts dt {
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 700;
}

.project-facts dd {
  margin: 0;
  color: var(--dark);
  font-size: 0.92rem;
  font-weight: 650;
}

.project-sidebar-note {
  border-color: #cbd5e1;
  background: #f8fafc;
}

.project-sidebar-note p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.project-article {
  min-width: 0;
}

.project-article-section {
  padding: 0 0 58px;
  margin-bottom: 58px;
  border-bottom: 1px solid var(--border);
}

.project-article-section:last-of-type {
  margin-bottom: 0;
}

.project-article-section h2 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

.project-article-section > p:not(.article-kicker):not(.project-caption) {
  max-width: 780px;
  color: var(--muted);
}

.project-checklist {
  display: grid;
  gap: 13px;
  max-width: 780px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-checklist li {
  position: relative;
  padding-left: 29px;
  color: var(--muted);
}

.project-checklist li::before {
  position: absolute;
  top: 0.2em;
  left: 0;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: #dbeafe;
  color: var(--primary);
  content: "✓";
  font-size: 0.72rem;
  font-weight: 900;
  line-height: 17px;
  text-align: center;
}

.architecture-diagram {
  margin: 30px 0 14px;
  padding: 28px;
  border: 1px solid #cbd5e1;
  border-radius: 14px;
  background: var(--dark);
  color: #e2e8f0;
}

.architecture-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  overflow-x: auto;
}

.architecture-node {
  flex: 0 0 auto;
  padding: 11px 13px;
  border: 1px solid #