/* ===== Tokens ===== */
:root {
  --navy: #1e3a5f;
  --navy-deep: #12263f;
  --ink: #0b1626;
  --accent: #2f7de1;
  --accent-bright: #4f9cf5;
  --accent-soft: #e8f1fc;
  --text: #1c2430;
  --muted: #5b6676;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --border: #e2e7ee;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 32, 56, 0.06), 0 6px 20px rgba(16, 32, 56, 0.06);
  --shadow-hover: 0 2px 4px rgba(16, 32, 56, 0.08), 0 14px 34px rgba(16, 32, 56, 0.12);
  --header-h: 68px;
  --max-w: 1120px;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 8px);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0; color: var(--navy-deep); }
ul { margin: 0; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-inline: 24px;
}

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--navy);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  z-index: 300;
}
.skip-link:focus { left: 8px; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding-top: env(safe-area-inset-top, 0px);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.35s ease, visibility 0.35s;
}
.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 12px rgba(16, 32, 56, 0.05);
}
/* On the home page the header stays out of the way until the intro is scrolled past */
html.js .has-intro .site-header:not(.is-visible) {
  transform: translateY(-105%);
  visibility: hidden;
}

.nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.nav-logo:hover { text-decoration: none; }

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0;
}
.nav-links a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.94rem;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--navy); background: var(--bg-alt); text-decoration: none; }
.nav-links a.active { color: var(--accent); background: var(--accent-soft); }
.nav-email-item {
  margin-left: 6px;
  padding-left: 10px;
  border-left: 1px solid var(--border);
}
.nav-links a.nav-email {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.01em;
  color: var(--navy);
}
.nav-links a.nav-cta {
  margin-left: 8px;
  color: #fff;
  background: var(--accent);
  padding: 8px 16px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(47, 125, 225, 0.32);
}
.nav-links a.nav-cta:hover { background: #2368c4; color: #fff; }

/* The email only fits on wide screens; the mobile menu shows it again */
@media (min-width: 901px) and (max-width: 1139px) {
  .nav-email-item { display: none; }
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, color 0.15s, border-color 0.15s;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: var(--navy); color: #fff; box-shadow: 0 6px 18px rgba(30, 58, 95, 0.25); }
.btn-primary:hover { background: var(--navy-deep); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2); }
.btn-small {
  padding: 9px 16px;
  font-size: 0.9rem;
  border-color: var(--border);
  color: var(--navy);
  background: var(--bg);
}
.btn-small:hover { border-color: var(--navy); background: var(--navy); color: #fff; }
.btn-hero { background: #eef4fb; color: var(--ink); }
.btn-hero:hover { background: #fff; box-shadow: 0 8px 24px rgba(79, 156, 245, 0.28); }
.btn-hero-ghost { border-color: rgba(159, 192, 236, 0.5); color: #eef4fb; background: rgba(13, 27, 46, 0.4); }
.btn-hero-ghost:hover { border-color: #eef4fb; }

/* ===== Intro ===== */
.intro {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 540px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: #dbe6f4;
  background-color: var(--ink);
  background-image:
    radial-gradient(1000px 600px at 50% 35%, rgba(79, 156, 245, 0.10), transparent 70%),
    linear-gradient(rgba(143, 179, 224, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 179, 224, 0.055) 1px, transparent 1px);
  background-size: auto, 40px 40px, 40px 40px;
  background-position: center, center, center;
}

.intro-stage {
  --stage-top: calc(56px + env(safe-area-inset-top, 0px));
  position: relative;
  flex: 1;
  min-height: 0;
  padding: var(--stage-top) 16px 0;
  display: flex;
}
html.js .intro-stage { container-type: size; }
html:not(.js) .intro-stage { flex-direction: column; justify-content: center; gap: 28px; }
#intro-svg { width: 100%; height: 100%; display: block; overflow: visible; }

.intro-fallback { display: none; }
html:not(.js) .intro-fallback {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  width: 100%;
}
html:not(.js) #intro-svg { display: none; }
.intro-fallback-name { font-size: clamp(2.6rem, 8vw, 5rem); font-weight: 800; color: #f2f6fb; margin: 0; letter-spacing: -0.02em; }
.intro-fallback-tag { color: #9fb6d3; margin: 12px 0 0; }

.intro-footer {
  flex: 0 0 auto;
  height: calc(64px + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease 0.6s;
}
html:not(.js) .intro-footer,
.intro.is-done .intro-footer { opacity: 1; pointer-events: auto; }

/* Hero status + buttons. With JS it is pinned just under the SVG tagline. */
.intro-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 0 16px;
  text-align: center;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.7s ease 0.3s, transform 0.7s ease 0.3s;
}
/* Same scale the SVG uses (preserveAspectRatio "meet"), so the block tracks the tagline at any size */
html.js .intro-cta {
  --s: min(100cqw / var(--vb-w, 1200), 100cqh / var(--vb-h, 700));
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  top: calc(var(--stage-top) + (100cqh - var(--vb-h, 700) * var(--s)) / 2 + var(--cta-y, 350) * var(--s));
}
html:not(.js) .intro-cta,
.intro.is-done .intro-cta { opacity: 1; transform: none; pointer-events: auto; }
.intro-status {
  max-width: 46em;
  margin: 0;
  font: 500 0.8rem/1.5 var(--mono);
  letter-spacing: 0.05em;
  color: #b4c7df;
}
.intro-status .pulse { display: inline-block; vertical-align: 0.05em; margin-right: 10px; width: 8px; height: 8px; background: #3ccf7f; }
.intro-status .pulse::after { background: #3ccf7f; }
.intro-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.intro-actions .btn { padding: 11px 24px; font-size: 0.95rem; }

.intro-scroll:hover { color: #b4c7df; text-decoration: none; }
.intro-scroll {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #6f8fb8;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.chev {
  width: 8px; height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  animation: chev 1.6s ease-in-out infinite;
}
@keyframes chev {
  0%, 100% { transform: translateY(-2px) rotate(45deg); opacity: 0.5; }
  50% { transform: translateY(3px) rotate(45deg); opacity: 1; }
}

.intro-ctrl {
  position: absolute;
  z-index: 5;
  top: calc(18px + env(safe-area-inset-top, 0px));
  right: 18px;
  font: 500 0.78rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9fb6d3;
  background: rgba(13, 27, 46, 0.6);
  border: 1px solid rgba(111, 143, 184, 0.35);
  border-radius: 999px;
  padding: 9px 14px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, opacity 0.3s;
}
.intro-ctrl:hover { color: #fff; border-color: rgba(159, 192, 236, 0.8); }
html:not(.js) .intro-ctrl { display: none; }
.intro.is-done .intro-skip { opacity: 0; pointer-events: none; }

.intro-hud {
  position: absolute;
  z-index: 4;
  top: calc(18px + env(safe-area-inset-top, 0px));
  left: 18px;
  font: 400 0.7rem/1.7 var(--mono);
  color: #5f7fa8;
  letter-spacing: 0.04em;
  pointer-events: none;
  transition: opacity 0.6s;
}
.intro-hud > div { display: flex; gap: 10px; }
.intro-hud .hud-title { color: #8fb3e0; margin-bottom: 4px; letter-spacing: 0.1em; }
.intro-hud .hud-k { width: 3.4em; color: #3f5f88; }
html:not(.js) .intro-hud { display: none; }

/* SVG parts */
.arm-link { fill: #172a44; stroke: #6d93c4; stroke-width: 1.5; }
.arm-link-center { stroke: #33557f; stroke-width: 1; stroke-dasharray: 3 6; }
.arm-joint { fill: var(--ink); stroke: #9cc0ec; stroke-width: 2; }
.arm-joint-core { fill: var(--accent-bright); }
.arm-body { fill: #1d3352; stroke: #6d93c4; stroke-width: 1.5; }
.arm-finger { fill: #c9d6e6; }
.arm-rail { fill: #13233a; stroke: #2f4b70; stroke-width: 1.5; }
.arm-tick { stroke: #2f4b70; stroke-width: 1; }
.arm-bolt { fill: #6d93c4; }
.tray-line { stroke: #2f4b70; stroke-width: 1.5; }
.tray-tick { stroke: #2f4b70; stroke-width: 1; }
.tray-label, .rail-label { font-family: var(--mono); font-size: 12px; fill: #3f5f88; letter-spacing: 0.12em; }
.tray-group { transition: opacity 1s ease; }
.intro.is-done .tray-group { opacity: 0; }
.fixture { fill: #13233a; stroke: #2f4b70; stroke-width: 1.5; }
.axis-x { stroke: #4f9cf5; stroke-width: 1.4; opacity: 0.75; }
.axis-y { stroke: #3ccf9f; stroke-width: 1.4; opacity: 0.6; }
.axis-tip-x { fill: #4f9cf5; opacity: 0.75; }
.axis-tip-y { fill: #3ccf9f; opacity: 0.6; }
.rot-arc { fill: none; stroke: #4f9cf5; stroke-width: 1.4; stroke-dasharray: 4 3; }
.rot-label { font-family: var(--mono); font-size: 13px; fill: #8fb3e0; letter-spacing: 0.06em; }
.rot-group { opacity: 0; transition: opacity 0.25s ease; }
.rot-group.on { opacity: 1; }
.arm-beam { stroke: #4f9cf5; stroke-width: 1.5; opacity: 0; }
.arm-beam-glow { stroke: #4f9cf5; stroke-width: 10; opacity: 0; }
.arm-beam.on { opacity: 0.85; }
.arm-beam-glow.on { opacity: 0.16; }

.intro-letter {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-weight: 700;
  fill: #f2f6fb;
  transition: fill 0.7s ease;
}
.intro-letter.hot { fill: #6fb0ff; transition: none; }
.intro-tagline {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-weight: 500;
  fill: #9fb6d3;
  letter-spacing: 0.02em;
  opacity: 0;
  transition: opacity 0.9s ease 0.25s;
}
.intro.is-done .intro-tagline { opacity: 1; }
.intro-underline {
  stroke: var(--accent-bright);
  stroke-width: 2;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 0.9s cubic-bezier(.6, 0, .2, 1);
}
.intro-underline-tick { stroke: var(--accent-bright); stroke-width: 2; opacity: 0; transition: opacity 0.4s ease 0.7s; }
.intro.is-done .intro-underline { stroke-dashoffset: 0; }
.intro.is-done .intro-underline-tick { opacity: 1; }

/* ===== Sections ===== */
.section { padding-block: 96px; }
.section-alt { background-color: var(--bg-alt); }

/* Faint blueprint grid: minor 24px, major 120px */
.bp-grid {
  --grid-minor: rgba(30, 58, 95, 0.035);
  --grid-major: rgba(30, 58, 95, 0.06);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  background-position: center top;
}

/* Section headings: small sheet reference + a dimension line with end ticks */
.section-title {
  --dim: rgba(47, 125, 225, 0.75);
  width: fit-content;
  max-width: 100%;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 44px;
  position: relative;
  padding-bottom: 18px;
}
.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 9px;
  background:
    linear-gradient(var(--dim), var(--dim)) left center / 100% 1px no-repeat,
    linear-gradient(var(--dim), var(--dim)) left center / 1px 100% no-repeat,
    linear-gradient(var(--dim), var(--dim)) right center / 1px 100% no-repeat;
}

.date { font-family: var(--mono); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.01em; color: var(--muted); white-space: nowrap; }
.org { margin: 4px 0 0; color: var(--muted); font-style: italic; }

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-text p { margin: 0 0 18px; font-size: 1.08rem; }
.availability {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 10px;
  background: #e9f7ef;
  border: 1px solid #bfe6cf;
  color: #17653a;
  font-weight: 600;
  font-size: 1rem !important;
}
.pulse {
  position: relative;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #22a35a;
  flex: 0 0 auto;
}
.pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #22a35a;
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.6); opacity: 0; }
}
.about-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.about-facts { display: grid; gap: 20px; }
.fact-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.fact-card h3 {
  font: 500 0.74rem/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 10px;
}

/* Title block, styled like the corner of an engineering drawing */
.title-block {
  background: var(--bg);
  border: 1.5px solid var(--navy);
  box-shadow: var(--shadow);
}
.tb-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-bottom: 1.5px solid var(--navy);
}
.tb-name { font-weight: 800; font-size: 0.92rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--navy-deep); }
.tb-ref { font: 500 0.68rem/1 var(--mono); letter-spacing: 0.14em; color: var(--muted); white-space: nowrap; }
.title-block dl { margin: 0; }
.title-block dl > div {
  display: grid;
  grid-template-columns: 116px 1fr;
  border-bottom: 1px solid #cfd8e4;
}
.title-block dl > div:last-child { border-bottom: 0; }
.title-block dt {
  padding: 12px 16px;
  border-right: 1px solid #cfd8e4;
  font: 500 0.68rem/1.5 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.title-block dd { margin: 0; padding: 10px 16px; font-weight: 600; font-size: 0.95rem; color: var(--text); }
.fact-card p { margin: 0 0 6px; }
.fact-card ul { padding-left: 18px; margin-top: 8px; color: var(--muted); }
.fact-card li + li { margin-top: 4px; }

/* ===== Projects (horizontal row) ===== */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 44px;
}
.section-head .section-title { margin-bottom: 0; }
.scroll-btns { display: flex; gap: 10px; }
.scroll-btn {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.2s, transform 0.15s;
}
.scroll-btn svg { width: 20px; height: 20px; fill: none; stroke: var(--navy); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.scroll-btn:hover:not(:disabled) { background: var(--navy); border-color: var(--navy); transform: translateY(-1px); }
.scroll-btn:hover:not(:disabled) svg { stroke: #fff; }
.scroll-btn:disabled { opacity: 0.35; cursor: default; box-shadow: none; }

.project-track-wrap { position: relative; }
.project-track {
  --gutter: max(24px, calc((100vw - var(--max-w)) / 2 + 24px));
  display: flex;
  gap: 24px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--gutter);
  padding: 8px var(--gutter) 28px;
  scrollbar-width: none;
}
.project-track::-webkit-scrollbar { display: none; }
.project-track:focus-visible { outline-offset: -3px; }

.project-card {
  flex: 0 0 clamp(280px, 31vw, 360px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.project-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #f4f7fb;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.project-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* A real photo at images/<name>.jpg replaces the concept illustration once it loads */
.project-media .photo { opacity: 0; transition: opacity 0.4s ease; }
.project-media.has-photo .photo { opacity: 1; }
.project-media.has-photo .illus,
.project-media.has-photo .illus-label { visibility: hidden; }
.illus-label {
  position: absolute;
  z-index: 2;
  right: 10px;
  bottom: 10px;
  padding: 4px 7px;
  font: 500 0.62rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border);
  border-radius: 3px;
}

.part-no {
  display: inline-block;
  font: 500 0.68rem/1 var(--mono);
  letter-spacing: 0.14em;
  white-space: nowrap;
}
.project-media .part-no {
  position: absolute;
  z-index: 2;
  top: 12px;
  left: 12px;
  padding: 6px 8px;
  color: #fff;
  background: rgba(11, 22, 38, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 3px;
}
.part-no-inline {
  padding: 5px 8px;
  color: var(--navy);
  border: 1px solid var(--navy);
  border-radius: 3px;
}

.project-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.project-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.project-body h3 { font-size: 1.15rem; }
.project-role { margin: 0; font-size: 0.9rem; font-weight: 600; color: var(--text); }
.project-role .k {
  margin-right: 8px;
  font: 500 0.66rem/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.project-summary { margin: 0; color: var(--muted); font-size: 0.95rem; }
.tags {
  list-style: none;
  padding: 0;
  margin: auto 0 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tags li {
  padding: 5px 8px;
  font: 500 0.7rem/1.2 var(--mono);
  color: var(--navy);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 3px;
}
.project-body .btn { align-self: flex-start; }

/* Numbered pager under the project row */
.track-pager {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 4px;
}
.track-count { font: 500 0.85rem/1 var(--mono); letter-spacing: 0.08em; color: var(--muted); white-space: nowrap; }
.track-count strong { color: var(--navy-deep); font-weight: 500; }
.track-line { position: relative; flex: 1; height: 1px; background: #cfd8e4; max-width: 320px; }
.track-line-fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: calc(var(--p, 0.25) * 100%);
  background: var(--accent);
  transition: width 0.25s ease;
}
.track-nums { display: flex; gap: 6px; }
.track-nums button {
  min-width: 40px;
  height: 34px;
  padding: 0 8px;
  font: 500 0.78rem/1 var(--mono);
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.track-nums button:hover { color: var(--navy); border-color: var(--navy); }
.track-nums button[aria-current="true"] { color: #fff; background: var(--navy); border-color: var(--navy); }

.badge {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 3px;
  background: var(--accent-soft);
  color: var(--accent);
  font: 500 0.7rem/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.badge-award { background: #fff4dc; color: #a46a00; }

/* ===== Experience: timing diagram ===== */
.td {
  margin: 0 0 40px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.td-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 20px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font: 500 0.7rem/1.4 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.td-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.td-legend > span { display: inline-flex; align-items: center; gap: 7px; }
.sw { display: inline-block; width: 16px; height: 8px; border: 2px solid; border-bottom: 0; }
.sw-work { border-color: var(--accent); }
.sw-act { border-color: #1f8a7a; }
.sw-now { width: 0; height: 12px; border: 0; border-left: 2px solid #d9573f; }

.td-scroll { overflow-x: auto; overscroll-behavior-x: contain; }
.td-scroll:focus-visible { outline-offset: -3px; }
.td-inner {
  --lw: 220px;
  position: relative;
  min-width: 780px;
  padding-top: 28px;
}
.td-row, .td-axis {
  display: grid;
  grid-template-columns: var(--lw) 1fr;
}
.td-row { color: inherit; border-bottom: 1px solid #eef1f5; }
.td-row:hover { text-decoration: none; }
.td-label {
  position: sticky;
  left: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 9px 16px 9px 20px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  line-height: 1.3;
  transition: background 0.15s;
}
.td-label strong { font-size: 0.92rem; color: var(--navy-deep); }
.td-label small { font: 400 0.7rem/1.3 var(--mono); color: var(--muted); }
.td-row:hover .td-label { background: var(--bg-alt); }
.td-row:hover .td-label strong { color: var(--accent); }
.td-signal { position: relative; display: block; height: 54px; }
.td-signal svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.td-row { --sig: var(--accent); }
.td-row[data-kind="act"] { --sig: #1f8a7a; }
.td-wave {
  fill: none;
  stroke: var(--sig);
  stroke-width: 2;
  stroke-linejoin: miter;
  vector-effect: non-scaling-stroke;
}
.td-area { fill: var(--sig); opacity: 0.09; transition: opacity 0.15s; }
.td-row:hover .td-area { opacity: 0.18; }

.td-axis { height: 36px; }
.td-axis-label {
  position: sticky;
  left: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  padding-left: 20px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  font: 500 0.66rem/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #9aa5b4;
}
.td-years { position: relative; }
.td-year {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  font: 500 0.78rem/1 var(--mono);
  color: var(--navy);
}

.td-overlay {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--lw);
  right: 0;
  z-index: 2;
  pointer-events: none;
}
.td-gridline {
  position: absolute;
  top: 22px;
  bottom: 0;
  width: 0;
  border-left: 1px dashed #d5dde8;
}
.td-tick {
  position: absolute;
  bottom: 0;
  height: 5px;
  width: 0;
  border-left: 1px solid #cfd8e4;
}
.td-future {
  position: absolute;
  top: 22px;
  bottom: 36px;
  right: 0;
  background: repeating-linear-gradient(135deg, rgba(30, 58, 95, 0.045) 0 1px, transparent 1px 7px);
}
.td-now {
  position: absolute;
  top: 6px;
  bottom: 0;
  width: 0;
  border-left: 1.5px solid #d9573f;
}
.td-now span {
  position: absolute;
  top: 0;
  left: 0;
  transform: translateX(-50%);
  padding: 3px 6px;
  font: 500 0.62rem/1 var(--mono);
  letter-spacing: 0.12em;
  color: #fff;
  background: #d9573f;
  border-radius: 2px;
  white-space: nowrap;
}

.exp-list { display: grid; gap: 28px; }
.exp-card, .lead-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow);
}
.exp-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}
.exp-head.stacked { flex-direction: column; gap: 6px; }
.exp-head h3 { font-size: 1.15rem; }
.exp-card ul, .lead-card ul { padding-left: 20px; }
.exp-card li + li, .lead-card li + li { margin-top: 6px; }

/* ===== Leadership ===== */
.leadership-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

/* ===== Skills ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.skill-group {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 26px;
}
.skill-group h3 { font-size: 1.05rem; margin-bottom: 16px; }
.chips {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chips li {
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
}

/* ===== Contact ===== */
.section-dark {
  background: linear-gradient(135deg, var(--navy-deep), var(--navy));
  color: #fff;
}
.section-dark .section-title { color: #fff; --dim: rgba(127, 179, 245, 0.8); }
.section-dark.bp-grid {
  --grid-minor: rgba(255, 255, 255, 0.035);
  --grid-major: rgba(255, 255, 255, 0.06);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px),
    linear-gradient(135deg, var(--navy-deep), var(--navy));
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px, auto;
}
.contact-inner { text-align: center; }
.contact-inner .section-title { margin-inline: auto; }
.contact-lead { margin: -16px auto 36px; max-width: 540px; color: rgba(255, 255, 255, 0.8); font-size: 1.08rem; }
.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 36px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 260px;
  padding: 26px 30px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  transition: background 0.2s, transform 0.2s;
}
.contact-card:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-3px); text-decoration: none; }
.contact-card svg { width: 28px; height: 28px; fill: #7fb3f5; margin-bottom: 4px; }
.contact-label { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em; color: rgba(255, 255, 255, 0.65); }
.contact-value { font-weight: 600; font-size: 1.05rem; word-break: break-word; }

/* ===== Footer ===== */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 22px calc(22px + env(safe-area-inset-bottom, 0px));
  flex-wrap: wrap;
  gap: 10px;
}
.footer-inner p { margin: 0; }
.site-footer a { color: rgba(255, 255, 255, 0.75); }

/* ===== Project detail pages ===== */
.project-page { padding-top: calc(var(--header-h) + env(safe-area-inset-top, 0px)); }
.project-page .project-head { position: relative; }
.project-page .container { padding-block: 40px 96px; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--navy);
  padding: 8px 14px 8px 10px;
  margin-left: -10px;
  border-radius: 8px;
  transition: background 0.15s;
}
.back-link:hover { background: var(--bg-alt); text-decoration: none; }
.back-link .arrow { transition: transform 0.15s; }
.back-link:hover .arrow { transform: translateX(-3px); }

.project-head { margin: 28px 0 32px; max-width: 820px; }
.eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
}
.project-head h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}
.lede { margin: 16px 0 0; font-size: 1.15rem; color: var(--muted); }

.project-hero-media {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.project-hero-media { border: 1px solid var(--border); }
.project-hero-media .illus-label { right: 14px; bottom: 14px; font-size: 0.68rem; }

.project-detail-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}
.project-detail-main h2 { font-size: 1.4rem; margin-bottom: 16px; }
.project-detail-main ul { padding-left: 22px; font-size: 1.04rem; }
.project-detail-main li + li { margin-top: 10px; }

.project-facts {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 24px;
}
.project-facts h2 {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 14px;
}
.project-facts dl { margin: 0; display: grid; gap: 14px; }
.project-facts dt { font-family: var(--mono); font-size: 0.68rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); }
.project-facts dd { margin: 2px 0 0; font-weight: 500; color: var(--text); }

.project-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.pager-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.pager-link:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-2px); text-decoration: none; }
.pager-link small { color: var(--muted); font-family: var(--mono); font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.7rem; }
.pager-link span { font-weight: 700; color: var(--navy-deep); }
.pager-link.next { text-align: right; grid-column: 2; }

/* ===== Mechatronic details ===== */
/* Background drawings: gears, servos, linkages, joint frames. Decorative and very faint. */
.section, .project-page { position: relative; }
.section > .container,
.section > .project-track-wrap,
.project-page > .container { position: relative; z-index: 1; }
.deco {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  color: var(--navy);
  z-index: 0;
}
.section-dark .deco { color: #ffffff; }
.d {
  position: absolute;
  height: auto;
  opacity: 0.1;
  stroke-width: 1.2;
}
.section-dark .d { opacity: 0.09; }
.d-gear, .d-gear-s { aspect-ratio: 1; }
.d-servo { aspect-ratio: 160 / 100; }
.d-frame { aspect-ratio: 100 / 84; opacity: 0.16; }
.d-linkage { aspect-ratio: 200 / 120; }
.d-chain { aspect-ratio: 220 / 150; opacity: 0.14; }
.spin-slow { animation: spin 90s linear infinite; }
.spin-slow.rev { animation-direction: reverse; animation-duration: 60s; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Joint frames and the kinematic chain draw themselves in when scrolled into view */
html.js .d-frame, html.js .d-chain {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 1.6s cubic-bezier(.4, 0, .2, 1);
}
html.js .deco.in-view .d-frame,
html.js .deco.in-view .d-chain { stroke-dashoffset: 0; }

/* Section divider: a straight linkage whose pin joints turn as the page scrolls */
.linkage {
  position: absolute;
  z-index: 2;
  top: 0;
  left: max(24px, calc((100% - var(--max-w)) / 2 + 24px));
  right: max(24px, calc((100% - var(--max-w)) / 2 + 24px));
  height: 28px;
  transform: translateY(-50%);
  pointer-events: none;
}
.link-bar {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 10px;
  transform: translateY(-50%);
  border: 1px solid rgba(30, 58, 95, 0.28);
  border-radius: 5px;
  background: linear-gradient(#ffffff, #e6edf5);
}
.joint {
  position: absolute;
  top: 0;
  left: var(--x);
  width: 28px;
  height: 28px;
  transform: translateX(-50%);
  overflow: visible;
}
.joint .j-ring { fill: #ffffff; stroke: rgba(30, 58, 95, 0.45); stroke-width: 1.2; }
.joint .j-rot { fill: none; stroke: var(--accent); stroke-width: 1.2; transform: rotate(var(--shaft-rot, 0deg)); }
.joint.rev .j-rot { transform: rotate(calc(var(--shaft-rot, 0deg) * -1)); }
.joint .j-pin { fill: var(--navy); }
.linkage-inline { position: relative; left: auto; right: auto; top: auto; transform: none; margin: 72px 14px 0; }
.linkage-inline + .project-pager { margin-top: 28px; padding-top: 0; border-top: 0; }

/* Section headings: rotating gear, sheet reference and units */
.sec-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font: 500 0.7rem/1 var(--mono);
  letter-spacing: 0.18em;
  color: var(--muted);
}
.contact-inner .sec-tag { justify-content: center; }
.sec-gear {
  width: 15px;
  height: 15px;
  color: var(--accent);
  stroke-width: 1.4;
  animation: spin 12s linear infinite;   /* 5 RPM, as labelled */
}
.sec-unit { letter-spacing: 0.08em; color: #9aa5b4; }
.section-dark .sec-tag { color: rgba(255, 255, 255, 0.55); }
.section-dark .sec-gear { color: #7fb3f5; }
.section-dark .sec-unit { color: rgba(255, 255, 255, 0.4); }
.dim-val {
  position: absolute;
  left: calc(100% + 8px);
  bottom: -3px;
  font: 500 0.62rem/1 var(--mono);
  letter-spacing: 0.06em;
  color: rgba(47, 125, 225, 0.85);
  white-space: nowrap;
}
.section-dark .dim-val { color: rgba(127, 179, 245, 0.85); }
@media (max-width: 760px) {
  .dim-val { left: auto; right: 0; bottom: -15px; }
  .d-gear { max-width: 200px; }
}

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .skills-grid { grid-template-columns: 1fr; }
  .leadership-grid { grid-template-columns: 1fr; }
  .project-detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .project-facts { position: static; }
}


@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: calc(var(--header-h) + env(safe-area-inset-top, 0px));
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px 16px 18px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 24px rgba(16, 32, 56, 0.08);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  }
  .nav-links.open { opacity: 1; transform: none; visibility: visible; }
  .nav-links a { padding: 12px 14px; font-size: 1rem; }
  .nav-links a.nav-cta { margin: 6px 0 0; text-align: center; }
  .nav-email-item { margin: 4px 0 0; padding: 6px 0 0; border-left: 0; border-top: 1px solid var(--border); }
}

@media (max-width: 760px) {

  .section { padding-block: 72px; }
  .exp-head { flex-direction: column; gap: 4px; }
  .exp-card, .lead-card { padding: 22px; }

  /* Arrows give way to swiping on small screens */
  .scroll-btns { display: none; }
  .project-card { flex-basis: 82%; }

  .td-inner { --lw: 150px; min-width: 720px; }
  .td-label { padding-left: 14px; padding-right: 10px; }
  .td-label strong { font-size: 0.84rem; }
  .td-axis-label { padding-left: 14px; }
  .td-head { padding-inline: 14px; }

  .project-pager { grid-template-columns: 1fr; }
  .pager-link.next { grid-column: auto; }
}

@media (max-width: 640px) {
  .intro-hud { display: none; }
}

@media (max-width: 480px) {
  .container { padding-inline: 18px; }
  .about-actions .btn { flex: 1 1 100%; }
  .contact-card { min-width: 0; width: 100%; }
  .project-body { padding: 20px; }
}

/* ===== Project case study: sections, figures, tables, gallery, lightbox ===== */
.hero-cap {
  margin: 10px 2px 0;
  font: 500 0.7rem/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.project-detail-main h2 + p, .project-detail-main p { margin: 0 0 14px; font-size: 1.04rem; }
.project-detail-main h3 { font-size: 1.05rem; margin: 26px 0 10px; }
.project-detail-main section + section { margin-top: 44px; }

.case { margin-top: 72px; }
.case > .section-title { margin-bottom: 28px; }
.case-body { max-width: 820px; }
.case-body p { margin: 0 0 16px; font-size: 1.04rem; }
.case-body ul, .case-body ol { padding-left: 22px; font-size: 1.04rem; margin: 0 0 16px; }
.case-body li + li { margin-top: 8px; }
.case h3 { font-size: 1.1rem; margin: 34px 0 12px; }
.case-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: 40px;
  align-items: start;
}
.case-split.narrow-fig { grid-template-columns: minmax(0, 1fr) minmax(0, 300px); }
.note {
  margin: 0 0 20px;
  padding: 14px 18px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 8px 8px 0;
  font-size: 0.98rem;
}
.note strong { color: var(--navy-deep); }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; counter-reset: step; }
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  align-items: start;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.steps li + li { margin-top: 0; }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  font: 500 0.8rem/1.9 var(--mono);
  color: var(--accent);
}
.steps strong { color: var(--navy-deep); }

.fig { margin: 0; }
.fig figcaption { margin-top: 10px; font-size: 0.86rem; color: var(--muted); line-height: 1.5; }
.fig figcaption .k, .gallery-item .k {
  font: 500 0.68rem/1 var(--mono);
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-right: 6px;
}
.zoom {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
  cursor: zoom-in;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.zoom:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.zoom:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.zoom img { width: 100%; height: auto; margin-inline: auto; }
.fig-pad .zoom img { padding: 12px; }
.fig-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin: 8px 0 24px; }

.table-wrap {
  overflow-x: auto;
  margin: 0 0 24px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
}
.data-table { width: 100%; border-collapse: collapse; font-size: 0.93rem; line-height: 1.5; }
.data-table caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font: 500 0.7rem/1.3 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.data-table th, .data-table td { padding: 11px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.data-table thead th {
  font: 500 0.7rem/1.3 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  white-space: nowrap;
}
.data-table tbody tr:last-child > * { border-bottom: 0; }
.data-table tbody th { font-weight: 600; color: var(--navy-deep); }
.data-table td.num, .data-table th.num { text-align: right; font-family: var(--mono); font-size: 0.86rem; white-space: nowrap; }
.data-table code, .case code {
  font-family: var(--mono);
  font-size: 0.84em;
  padding: 1px 5px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.tables-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.tables-2 .table-wrap { margin-bottom: 0; }
.pf { display: inline-block; padding: 2px 7px; border-radius: 3px; font: 600 0.68rem/1.4 var(--mono); letter-spacing: 0.08em; }
.pf-fail { color: #a8321f; background: #fbe9e5; }
.pf-pass { color: #146c43; background: #e3f4ea; }

.code-block {
  margin: 0 0 24px;
  padding: 16px 18px;
  overflow-x: auto;
  font: 400 0.84rem/1.6 var(--mono);
  color: #dbe6f5;
  background: var(--ink);
  border-radius: 10px;
}
.code-block .c { color: #7f95b3; }

.takeaways { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin: 8px 0 24px; }
.takeaway { padding: 20px 22px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.takeaway h3 { margin: 0 0 8px; font-size: 1rem; }
.takeaway p { margin: 0; font-size: 0.95rem; color: var(--muted); }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.gallery-item { margin: 0; }
.gallery-item .zoom { aspect-ratio: 4 / 3; display: grid; place-items: center; background: #f4f7fb; }
.gallery-item .zoom img { width: 100%; height: 100%; object-fit: cover; }
.gallery-item.contain .zoom img { object-fit: contain; padding: 8px; background: #fff; }
.gallery-item figcaption { margin-top: 8px; font-size: 0.85rem; color: var(--muted); line-height: 1.45; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  grid-template-columns: 56px 1fr 56px;
  grid-template-rows: 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 24px max(12px, env(safe-area-inset-right)) 20px max(12px, env(safe-area-inset-left));
  background: rgba(11, 22, 38, 0.92);
}
.lightbox.open { display: grid; }
.lightbox-fig { grid-column: 2; grid-row: 1; margin: 0; height: 100%; min-height: 0; display: grid; place-items: center; }
.lightbox-fig img {
  max-width: 100%;
  max-height: calc(100vh - 140px);
  max-height: calc(100dvh - 140px);
  width: auto;
  height: auto;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  image-rendering: auto;
}
.lightbox-cap { grid-column: 1 / -1; grid-row: 2; margin: 0 auto; max-width: 760px; text-align: center; color: #dbe6f5; font-size: 0.92rem; }
.lightbox-cap .count { display: block; margin-bottom: 4px; font: 500 0.7rem/1 var(--mono); letter-spacing: 0.14em; color: #7fb3f5; }
.lb-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(159, 192, 236, 0.45);
  background: rgba(13, 27, 46, 0.6);
  color: #eef4fb;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}
.lb-btn:hover { border-color: #eef4fb; background: rgba(47, 125, 225, 0.35); }
.lb-btn:focus-visible { outline: 2px solid var(--accent-bright); outline-offset: 2px; }
.lb-prev { grid-column: 1; grid-row: 1; }
.lb-next { grid-column: 3; grid-row: 1; }
.lb-close { position: absolute; top: max(14px, env(safe-area-inset-top)); right: max(14px, env(safe-area-inset-right)); }
body.lb-lock { overflow: hidden; }

@media (max-width: 900px) {
  .case-split, .case-split.narrow-fig { grid-template-columns: 1fr; gap: 24px; }
  .case-split .fig { max-width: 420px; }
}
@media (max-width: 640px) {
  .case { margin-top: 56px; }
  .lightbox { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr auto auto; padding-top: 64px; }
  .lightbox-fig { grid-column: 1 / -1; }
  .lightbox-cap { grid-row: 2; }
  .lb-prev { grid-column: 1; grid-row: 3; justify-self: end; }
  .lb-next { grid-column: 2; grid-row: 3; justify-self: start; }
  .data-table th, .data-table td { padding: 10px 12px; }
}
.case-body .steps { padding-left: 0; }
.code-block code { padding: 0; background: none; border: 0; border-radius: 0; color: inherit; font-size: inherit; }
/* Label for renders that stand in for a photo */
.viz-label {
  position: absolute;
  z-index: 2;
  right: 10px;
  bottom: 10px;
  padding: 4px 7px;
  font: 500 0.62rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border);
  border-radius: 3px;
}
.project-hero-media .viz-label { right: 14px; bottom: 14px; font-size: 0.68rem; }
.project-media:not(.has-photo) .viz-label { visibility: hidden; }