:root {
  color-scheme: light;
  --ink: #171819;
  --muted: #626a70;
  --line: #e1e4e7;
  --paper: #f7f7f3;
  --white: #ffffff;
  --charcoal: #20252b;
  --steel: #2f3842;
  --bluegray: #50606f;
  --orange: #fd790a;
  --orange-soft: #ffb168;
  --orange-deep: #b84d00;
  --orange-wash: #fff1e6;
  --shadow: 0 18px 45px rgba(23, 24, 25, 0.11);
  --shadow-hover: 0 28px 76px rgba(23, 24, 25, 0.16);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max-width: 1160px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(253, 121, 10, 0.13), transparent 28rem),
    radial-gradient(circle at 88% 16%, rgba(80, 96, 111, 0.11), transparent 24rem),
    radial-gradient(circle at 72% 88%, rgba(253, 121, 10, 0.08), transparent 26rem),
    linear-gradient(rgba(23, 24, 25, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 24, 25, 0.022) 1px, transparent 1px),
    var(--paper);
  background-size: auto, auto, auto, 72px 72px, 72px 72px, auto;
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(225, 228, 231, 0.9);
  background: rgba(247, 247, 243, 0.92);
  backdrop-filter: blur(16px);
  transition: background 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(23, 24, 25, 0.08);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 38px rgba(23, 24, 25, 0.09);
}

.nav-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2rem, var(--max-width));
  min-height: 76px;
  margin: 0 auto;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(253, 121, 10, 0.3);
  border-radius: 10px;
  background: linear-gradient(135deg, var(--orange), var(--orange-soft));
  box-shadow: 0 12px 30px rgba(253, 121, 10, 0.24);
  color: #181614;
  font-size: 0.9rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease);
}

.brand:hover .brand-mark,
.brand:focus-visible .brand-mark {
  box-shadow: 0 18px 42px rgba(253, 121, 10, 0.32);
  transform: translateY(-2px) rotate(-2deg);
}

.brand-mark::after {
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 7px;
  content: "";
  pointer-events: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-links a {
  min-height: 40px;
  padding: 0.55rem 0.8rem;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  background: var(--orange-wash);
  color: var(--ink);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
}

.nav-toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  background: var(--ink);
  transition: transform 220ms ease, opacity 220ms ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(560px, 78svh, 780px);
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 30%, rgba(253, 121, 10, 0.34), transparent 28rem),
    linear-gradient(90deg, rgba(28, 29, 31, 0.92) 0%, rgba(32, 37, 43, 0.76) 46%, rgba(32, 37, 43, 0.24) 100%),
    url("artifacts/photos/hero-aerospace.png") center / cover no-repeat;
  color: var(--white);
}

.hero::after,
.page-hero::after {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0 30%, rgba(255, 255, 255, 0.07) 45%, transparent 60%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.032) 0 1px, transparent 1px 92px);
  opacity: 0.42;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
  padding: 4.5rem 0;
}

.hero-copy-block {
  min-width: 0;
  animation: fade-rise 760ms var(--ease) both;
}

.hero h1,
.page-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 1.4rem 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--orange-soft);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  animation: fade-rise 840ms var(--ease) both;
  animation-delay: 120ms;
}

.hero-profile {
  display: grid;
  gap: 1rem;
  align-self: end;
  padding: 1rem;
  border: 1px solid rgba(255, 177, 104, 0.28);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(32, 37, 43, 0.7), rgba(23, 24, 25, 0.56));
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(10px);
  animation: fade-rise 900ms var(--ease) both, profile-drift 6s ease-in-out 1s infinite;
}

.hero-profile img {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 8px;
  object-fit: cover;
  object-position: 50% 30%;
}

.hero-profile p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
}

.hero-profile-name {
  color: var(--white) !important;
  font-size: 1.15rem;
  font-weight: 900;
}

.quick-nav {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(255, 248, 242, 0.96)),
    var(--white);
  border-bottom: 1px solid var(--line);
}

.quick-nav-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.quick-nav-grid a {
  display: grid;
  gap: 0.35rem;
  min-height: 96px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.88);
  transition: background 220ms ease, transform 220ms ease, box-shadow 220ms ease, color 220ms ease;
}

.quick-nav-grid a:hover,
.quick-nav-grid a:focus-visible {
  background: var(--orange-wash);
  box-shadow: inset 0 -4px 0 var(--orange);
  transform: translateY(-2px);
}

.quick-nav-grid span {
  color: var(--orange-deep);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.quick-nav-grid strong {
  font-size: 1.05rem;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.75rem 1rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  overflow: hidden;
  transition:
    transform 220ms var(--ease),
    box-shadow 220ms var(--ease),
    background 220ms ease,
    border-color 220ms ease;
}

.button::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  content: "";
  opacity: 0;
  pointer-events: none;
  transform: translateX(-60%);
  transition: opacity 220ms ease, transform 520ms var(--ease);
}

.button-primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-soft));
  color: #181614;
  box-shadow: 0 14px 32px rgba(253, 121, 10, 0.28);
}

.button-secondary {
  border-color: rgba(255, 177, 104, 0.45);
  color: var(--white);
  background: rgba(255, 255, 255, 0.045);
}

.button-light {
  background: var(--white);
  color: var(--ink);
}

.button:hover,
.button:focus-visible {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.button:hover::before,
.button:focus-visible::before {
  opacity: 1;
  transform: translateX(60%);
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-inner {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.section-light {
  background: var(--paper);
}

.section-white {
  background: var(--white);
}

.section-dark {
  background:
    radial-gradient(circle at 78% 20%, rgba(253, 121, 10, 0.22), transparent 28rem),
    radial-gradient(circle at 18% 80%, rgba(80, 96, 111, 0.22), transparent 24rem),
    linear-gradient(135deg, var(--charcoal), var(--steel));
  color: var(--white);
}

.intro-grid,
.split-band,
.about-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.split-band-light {
  color: var(--ink);
}

.intro-grid h2,
.section-heading h2,
.split-band h2,
.about-copy h2,
.contact-layout h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.intro-grid p:last-child,
.about-copy p,
.page-hero p {
  color: var(--muted);
  font-size: 1.05rem;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2rem;
}

.section-lede {
  max-width: 760px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.section-lede-light {
  color: rgba(255, 255, 255, 0.74);
}

.section-heading-row {
  display: flex;
  max-width: none;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.feature-grid,
.skill-grid,
.project-grid {
  display: grid;
  gap: 1rem;
}

.stat-grid,
.publication-list,
.timeline,
.project-detail-grid,
.resume-grid,
.project-directory-grid,
.project-page-grid,
.asset-placeholder-grid {
  display: grid;
  gap: 1rem;
}

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

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.project-card,
.project-tile,
.development-panel,
.asset-placeholder-panel,
.profile-panel,
.note-panel,
.skill-grid article,
.stat-card,
.publication-card,
.timeline-card,
.project-detail {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 251, 247, 0.96)),
    var(--white);
  box-shadow: var(--shadow);
  transition:
    transform 280ms var(--ease),
    box-shadow 280ms var(--ease),
    border-color 280ms ease,
    background 280ms ease;
}

.feature-card:hover,
.project-card:hover,
.project-tile:hover,
.project-tile:focus-visible,
.development-panel:hover,
.asset-placeholder-panel:hover,
.profile-panel:hover,
.note-panel:hover,
.skill-grid article:hover,
.stat-card:hover,
.publication-card:hover,
.timeline-card:hover,
.project-detail:hover,
.contact-list a:hover,
.resume-grid > div:hover {
  border-color: rgba(253, 121, 10, 0.36);
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

.feature-card {
  min-height: 230px;
  padding: 1.25rem;
}

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

.stat-card,
.timeline-card {
  padding: 1.25rem;
}

.stat-card span {
  color: var(--orange-deep);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.stat-card strong {
  display: block;
  margin-top: 1.3rem;
  font-size: 1.08rem;
  line-height: 1.2;
}

.stat-card p {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.feature-index,
.project-meta,
.panel-label {
  color: var(--orange-deep);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.feature-card h3,
.skill-grid h3,
.note-panel h3,
.timeline-card h3 {
  margin: 1.8rem 0 0.6rem;
  font-size: 1.25rem;
  line-height: 1.2;
}

.feature-card p,
.skill-grid p,
.project-card p,
.note-panel p,
.timeline-card p {
  margin: 0;
  color: var(--muted);
}

.publication-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem;
}

.publication-card h3 {
  margin: 0.5rem 0 0;
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  line-height: 1.16;
}

.publication-card p {
  max-width: 760px;
  margin: 0.85rem 0 0;
  color: var(--muted);
}

.publication-card a {
  justify-self: end;
  color: var(--orange-deep);
  font-weight: 900;
  overflow-wrap: anywhere;
}

.page-hero {
  position: relative;
  padding: clamp(4.5rem, 10vw, 8rem) 0;
  background:
    radial-gradient(circle at 76% 22%, rgba(253, 121, 10, 0.28), transparent 28rem),
    linear-gradient(90deg, rgba(28, 29, 31, 0.94), rgba(47, 56, 66, 0.84)),
    url("artifacts/photos/hero-aerospace.png") center / cover no-repeat;
  color: var(--white);
}

.page-hero .section-inner {
  position: relative;
  z-index: 1;
  animation: fade-rise 720ms var(--ease) both;
}

.page-hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.2rem);
}

.page-hero p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.76);
}

.profile-panel,
.note-panel {
  padding: 1.5rem;
}

.profile-panel-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  margin-bottom: 1.25rem;
  border-radius: 8px;
  object-fit: cover;
  object-position: 50% 24%;
}

.fact-list {
  margin: 1.5rem 0 0;
}

.fact-list div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.fact-list dt {
  color: var(--muted);
  font-weight: 700;
}

.fact-list dd {
  margin: 0;
  font-weight: 800;
}

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

.skill-grid article {
  min-height: 190px;
  padding: 1.4rem;
}

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

.project-card {
  position: relative;
  display: block;
  overflow: hidden;
  min-height: 330px;
  padding: 1.5rem;
}

.project-card-link {
  color: inherit;
}

.project-card-link:focus-visible {
  outline: 3px solid rgba(253, 121, 10, 0.46);
  outline-offset: 4px;
}

.card-action {
  display: inline-flex;
  margin-top: 1.5rem;
  color: var(--orange-deep);
  font-size: 0.9rem;
}

.card-action::after {
  content: " ->";
  transition: transform 180ms var(--ease);
}

.project-card-link:hover .card-action::after,
.project-card-link:focus-visible .card-action::after {
  transform: translateX(4px);
}

.project-directory-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.project-tile {
  position: relative;
  display: grid;
  min-height: 280px;
  aspect-ratio: 1 / 1;
  align-content: space-between;
  overflow: hidden;
  padding: 1.25rem;
}

.project-tile::after {
  position: absolute;
  inset: auto 1.25rem 1.25rem auto;
  color: rgba(80, 96, 111, 0.16);
  content: "Open";
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  font-weight: 900;
  line-height: 0.8;
  pointer-events: none;
  transform: translate(16px, 12px);
  transition: color 260ms var(--ease), transform 260ms var(--ease);
}

.project-tile:hover::after,
.project-tile:focus-visible::after {
  color: rgba(253, 121, 10, 0.22);
  transform: translate(8px, 4px);
}

.project-tile h2 {
  margin: 1.4rem 0 0.6rem;
  font-size: clamp(1.45rem, 2.8vw, 2.15rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.project-tile p {
  max-width: 29ch;
  margin: 0;
  color: var(--muted);
}

.project-tile > strong {
  position: relative;
  z-index: 1;
  color: var(--orange-deep);
  font-size: 0.9rem;
}

.project-card::before,
.project-detail::before,
.project-tile::before,
.timeline-card::before,
.feature-card::before,
.development-panel::before {
  display: block;
  width: 42px;
  height: 4px;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--orange), var(--orange-soft), var(--bluegray));
  content: "";
  transform: scaleX(0.65);
  transform-origin: left;
  transition: transform 260ms var(--ease);
}

.project-card:hover::before,
.project-detail:hover::before,
.project-tile:hover::before,
.project-tile:focus-visible::before,
.timeline-card:hover::before,
.feature-card:hover::before,
.development-panel:hover::before {
  transform: scaleX(1);
}

.project-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.project-card h2 {
  margin: 3rem 0 0.8rem;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.project-detail-grid {
  grid-template-columns: 1fr;
}

.project-page-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: start;
}

.breadcrumb {
  display: inline-flex;
  margin-bottom: 1.25rem;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 900;
}

.breadcrumb::before {
  content: "< ";
}

.project-detail {
  padding: clamp(1.2rem, 3vw, 2rem);
}

.development-panel,
.asset-placeholder-panel {
  padding: clamp(1.2rem, 3vw, 2rem);
}

.development-panel h2,
.asset-placeholder-panel h2 {
  margin: 1.5rem 0 0.8rem;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.05;
}

.development-panel p {
  max-width: 720px;
  color: var(--muted);
}

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

.asset-placeholder-grid div {
  min-height: 120px;
  padding: 1rem;
  border: 1px dashed rgba(253, 121, 10, 0.36);
  border-radius: 8px;
  background: rgba(253, 121, 10, 0.055);
}

.asset-placeholder-grid span {
  display: block;
  margin-bottom: 0.85rem;
  color: var(--orange-deep);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.asset-placeholder-grid strong {
  display: block;
  line-height: 1.2;
}

.project-detail h2 {
  margin: 2.5rem 0 0.35rem;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.project-detail p {
  color: var(--muted);
}

.project-subtitle {
  margin: 0 0 1rem;
  color: var(--orange-deep);
  font-weight: 900;
}

.bullet-list,
.compact-list {
  display: grid;
  gap: 0.55rem;
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.bullet-list li,
.compact-list li {
  color: var(--muted);
}

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

.timeline-card {
  border-left: 5px solid var(--orange);
}

.resume-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: start;
}

.resume-grid > div {
  min-height: 100%;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.resume-panel {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.resume-panel .button {
  justify-self: start;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 1.5rem 0 0;
  list-style: none;
}

.tag-list li {
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--steel);
  font-size: 0.82rem;
  font-weight: 800;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.project-card:hover .tag-list li,
.project-detail:hover .tag-list li,
.project-tile:hover .tag-list li,
.project-tile:focus-visible .tag-list li,
.development-panel:hover .tag-list li {
  border-color: rgba(253, 121, 10, 0.34);
  background: rgba(253, 121, 10, 0.08);
}

.contact-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.contact-list a {
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms ease;
}

.contact-list span {
  color: var(--orange-deep);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.contact-list strong {
  overflow-wrap: anywhere;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--white);
}

.js .reveal-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

.js .reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fade-rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes profile-drift {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .js .reveal-item {
    opacity: 1;
    transform: none;
  }
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
  padding: 1.2rem 0;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner > div {
  display: grid;
  gap: 0.15rem;
}

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

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.8rem;
  font-weight: 800;
}

.footer-links a {
  transition: color 180ms ease, transform 180ms ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--orange-deep);
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .nav-toggle {
    position: fixed;
    top: 17px;
    right: 1rem;
    display: grid;
    flex: 0 0 42px;
    margin-left: auto;
    z-index: 2;
  }

  .nav-links {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 68px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.6rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
  }

  .brand {
    min-width: 0;
  }

  .nav-shell,
  .section-inner,
  .footer-inner {
    width: calc(100vw - 2rem);
    max-width: var(--max-width);
  }

  .feature-grid,
  .project-grid,
  .project-directory-grid,
  .project-page-grid,
  .skill-grid,
  .stat-grid,
  .resume-grid,
  .hero-content,
  .intro-grid,
  .split-band,
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-content {
    width: calc(100vw - 2rem);
    max-width: none;
  }

  .hero-copy-block,
  .hero-copy,
  .hero-actions {
    width: 100%;
    max-width: calc(100vw - 2rem);
  }

  .hero-copy {
    max-width: 32ch;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
    max-width: calc(100vw - 3rem);
  }

  .hero-actions .button {
    width: 100%;
    max-width: 100%;
  }

  .hero-profile {
    width: 100%;
    max-width: 420px;
  }

  .feature-card,
  .project-card,
  .project-tile,
  .skill-grid article,
  .stat-card {
    min-height: 0;
  }

  .project-tile {
    aspect-ratio: auto;
  }
}

@media (max-width: 720px) {
  .hero {
    min-height: 680px;
    background:
      radial-gradient(circle at 80% 28%, rgba(253, 121, 10, 0.26), transparent 20rem),
      linear-gradient(180deg, rgba(28, 29, 31, 0.94), rgba(47, 56, 66, 0.78)),
      url("artifacts/photos/hero-aerospace.png") 62% center / cover no-repeat;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 4.8rem);
  }

  .hero-profile {
    max-width: 360px;
  }

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

  .footer-inner,
  .project-meta,
  .section-heading-row,
  .publication-card {
    align-items: stretch;
    flex-direction: column;
  }

  .section-heading-row {
    display: grid;
  }

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

  .publication-card a {
    justify-self: start;
  }

  .asset-placeholder-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .brand span:last-child {
    max-width: 168px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .button {
    width: 100%;
  }

  .fact-list div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}