:root {
  --ink: #0b1d2a;
  --paper: #f4f1e8;
  --paper-deep: #e8e2d4;
  --line: rgba(11, 29, 42, .18);
  --blue: #1b7b8c;
  --orange: #e35d2f;
  --white: #fffdf7;
  --max: 1420px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(11,29,42,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,29,42,.035) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: "Aptos", "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: white; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background: rgba(244, 241, 232, .92);
  backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; color: var(--white); background: var(--ink); font-weight: 800; letter-spacing: -.05em; }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: .95rem; }
.brand-copy small { margin-top: .18rem; color: #56636b; font-size: .72rem; letter-spacing: .04em; text-transform: uppercase; }
nav { display: flex; align-items: center; gap: clamp(.75rem, 2vw, 1.75rem); }
nav a { font-size: .82rem; font-weight: 750; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
nav a:not(.nav-resume) { border-bottom: 1px solid transparent; }
nav a:hover:not(.nav-resume) { border-color: currentColor; }
.nav-resume { padding: .65rem .9rem; color: var(--white); background: var(--orange); }

main { overflow: clip; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: center;
  width: min(var(--max), calc(100% - 2rem));
  min-height: calc(100vh - 76px);
  margin: auto;
  padding: clamp(4rem, 8vw, 8rem) clamp(1rem, 3vw, 3rem);
}
.eyebrow { margin: 0 0 1rem; color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 500; line-height: 1.02; letter-spacing: -.04em; }
h1 { max-width: 12ch; font-size: clamp(3.25rem, 7vw, 7.75rem); }
h1 em { color: var(--orange); font-style: italic; }
.lede { max-width: 680px; margin: 1.75rem 0 0; color: #43525b; font-size: clamp(1.05rem, 1.5vw, 1.35rem); }
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .8rem 1.05rem; border: 1px solid var(--ink); font-size: .82rem; font-weight: 800; letter-spacing: .04em; text-decoration: none; text-transform: uppercase; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--ink); }
.button-quiet { border-color: var(--line); background: rgba(255,255,255,.28); }
.quick-facts { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 620px; margin: 3.5rem 0 0; border-top: 1px solid var(--line); }
.quick-facts div { padding: 1.15rem 1rem 0 0; }
.quick-facts dt { font-family: Georgia, serif; font-size: clamp(1.5rem, 3vw, 2.4rem); }
.quick-facts dd { margin: .25rem 0 0; color: #627078; font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; }

.hero-visual { position: relative; padding: 1rem; border: 1px solid var(--line); background: rgba(255,255,255,.48); box-shadow: 22px 22px 0 var(--paper-deep); }
.visual-meta { display: flex; justify-content: space-between; margin-bottom: .8rem; color: #627078; font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.hero-visual img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; background: #f1f1f1; filter: saturate(.78) contrast(1.04); }
.visual-caption { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: .9rem; }
.visual-caption p { margin: 0; text-align: right; font-size: .85rem; }
.status { display: inline-flex; align-items: center; gap: .45rem; color: var(--orange); font-size: .69rem; font-weight: 800; text-transform: uppercase; letter-spacing: .09em; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 5px rgba(227,93,47,.14); }

.manifesto { padding: clamp(4rem, 8vw, 8rem) max(1.5rem, calc((100% - var(--max)) / 2 + 3rem)); color: var(--white); background: var(--ink); }
.manifesto p { max-width: 1100px; margin: 0; font-family: Georgia, serif; font-size: clamp(2rem, 4.3vw, 4.8rem); line-height: 1.15; letter-spacing: -.035em; }
.manifesto strong { color: #82c6ce; font-weight: 500; }

.work { width: min(var(--max), calc(100% - 2rem)); margin: auto; padding: clamp(5rem, 9vw, 9rem) clamp(1rem, 3vw, 3rem); }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; align-items: end; gap: 2rem; margin-bottom: 5rem; }
.section-heading .eyebrow { align-self: start; }
.section-heading h2, .about h2 { font-size: clamp(2.75rem, 5.5vw, 5.7rem); }
.project { padding: clamp(3rem, 6vw, 6rem) 0; border-top: 1px solid var(--line); }
.project-feature { display: grid; grid-template-columns: minmax(320px, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 7rem); align-items: center; }
.project-media { position: relative; padding: 1.1rem; background: #eef0ed; border: 1px solid var(--line); }
.project-media::before, .project-media::after { content: ""; position: absolute; width: 36px; height: 36px; border-color: var(--orange); }
.project-media::before { left: -.5rem; top: -.5rem; border-left: 2px solid; border-top: 2px solid; }
.project-media::after { right: -.5rem; bottom: -.5rem; border-right: 2px solid; border-bottom: 2px solid; }
.project-media img { width: 100%; }
.media-label { position: absolute; right: 1.5rem; bottom: 1.5rem; padding: .45rem .65rem; color: var(--white); background: rgba(11,29,42,.9); font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; }
.project-index { color: var(--orange); font-family: Georgia, serif; font-size: 1.6rem; }
.project-type { margin: .3rem 0 1rem; color: #647078; font-size: .76rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.project h3 { max-width: 15ch; font-size: clamp(2.4rem, 4.5vw, 4.9rem); }
.project-intro { max-width: 760px; margin: 1.4rem 0 2rem; color: #3e4f58; font-size: clamp(1rem, 1.4vw, 1.2rem); }
.project-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.project-grid section { padding: 1.2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.project-grid h4 { margin: 0 0 .5rem; color: var(--blue); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.project-grid p { margin: 0; font-size: .9rem; }
.tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.5rem; }
.tags span { padding: .35rem .6rem; border: 1px solid var(--line); background: rgba(255,255,255,.35); font-size: .7rem; font-weight: 750; text-transform: uppercase; letter-spacing: .06em; }

.project-split { display: grid; grid-template-columns: minmax(0, .8fr) minmax(420px, 1.2fr); gap: clamp(2rem, 6vw, 7rem); align-items: center; }
.project-reverse .project-copy { order: 2; }
.project-reverse .air-engine-media { order: 1; }
.evidence-list { display: grid; gap: .8rem; margin: 1.75rem 0 0; padding: 0; list-style: none; }
.evidence-list li { position: relative; padding-left: 1.35rem; color: #34464f; }
.evidence-list li::before { content: "↳"; position: absolute; left: 0; color: var(--orange); font-weight: 800; }
.lab-gallery { display: grid; grid-template-columns: 1.25fr .75fr; gap: .8rem; align-items: stretch; }
.lab-gallery figure, .air-engine-media { margin: 0; padding: .65rem; border: 1px solid var(--line); background: rgba(255,255,255,.5); }
.lab-gallery img { width: 100%; height: 100%; object-fit: cover; }
.gallery-wide img { object-position: center; }
.gallery-detail img { object-position: center; }
figcaption { padding: .6rem .15rem .1rem; color: #647078; font-size: .67rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.air-engine-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

.about { padding: clamp(5rem, 9vw, 9rem) max(1.5rem, calc((100% - var(--max)) / 2 + 3rem)); background: var(--paper-deep); }
.about-lead { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: end; }
.about-lead .eyebrow { grid-column: 1 / -1; margin-bottom: -1rem; }
.about-lead p:last-child { margin: 0; color: #40515a; font-size: 1.1rem; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 4rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.capability-grid section { min-height: 230px; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-grid span { color: var(--orange); font-family: Georgia, serif; }
.capability-grid h3 { margin-top: 2.2rem; font-family: inherit; font-size: 1.1rem; font-weight: 800; letter-spacing: -.02em; }
.capability-grid p { color: #4c5c64; font-size: .92rem; }
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 4rem; }
.timeline div { padding-top: 1rem; border-top: 4px solid var(--ink); }
.timeline span { color: var(--orange); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.timeline strong { display: block; margin-top: .5rem; font-size: 1.05rem; }
.timeline p { margin: .2rem 0 0; color: #57676f; font-size: .86rem; }

.contact { position: relative; isolation: isolate; overflow: hidden; padding: clamp(6rem, 12vw, 11rem) max(1.5rem, calc((100% - var(--max)) / 2 + 3rem)); color: var(--white); background: var(--blue); }
.contact .eyebrow { color: #bde7eb; }
.contact h2 { max-width: 12ch; font-size: clamp(3rem, 6.5vw, 7rem); }
.contact > p:not(.eyebrow) { max-width: 650px; font-size: 1.1rem; }
.button-light { color: var(--ink); border-color: var(--white); background: var(--white); }
.button-outline-light { color: var(--white); border-color: rgba(255,255,255,.65); }
.contact-orbit { position: absolute; z-index: -1; right: -8vw; top: 50%; width: min(52vw, 700px); aspect-ratio: 1; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; transform: translateY(-50%); }
.contact-orbit::before, .contact-orbit::after { content: ""; position: absolute; inset: 16%; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; }
.contact-orbit::after { inset: 34%; background: rgba(255,255,255,.05); }
footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.5rem clamp(1rem, 4vw, 4rem); color: #6c777e; background: var(--ink); border-top: 1px solid rgba(255,255,255,.12); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }

.reveal { opacity: 1; transform: none; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-visual { max-width: 720px; }
  .project-feature, .project-split { grid-template-columns: 1fr; }
  .project-reverse .project-copy, .project-reverse .air-engine-media { order: initial; }
  .about-lead { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid section { min-height: auto; }
}

@media (max-width: 700px) {
  .site-header { min-height: 68px; }
  .brand-copy small { display: none; }
  nav a:not(.nav-resume) { display: none; }
  .hero { width: 100%; padding-top: 3.5rem; }
  h1 { font-size: clamp(3rem, 16vw, 5.5rem); }
  .quick-facts { grid-template-columns: 1fr; }
  .quick-facts div { display: flex; align-items: baseline; gap: 1rem; }
  .section-heading { grid-template-columns: 1fr; }
  .project-grid, .lab-gallery, .timeline { grid-template-columns: 1fr; }
  .lab-gallery img { max-height: 420px; }
  .visual-meta { gap: 1rem; }
  .visual-meta span:last-child { text-align: right; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}