:root{
  --bg: #FFFFFF;
  --bg-alt: #F2F2F2;
  --ink: #111111;
  --ink-soft: #5C5C5C;
  --green: #111111;
  --green-soft: #EFEFEF;
  --brass: #808080;
  --line: #E0E0E0;
  --serif: "Times New Roman", Times, serif;
  --mono: "JetBrains Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--green); color: var(--bg); }

/* ---------- Utility: corner registration marks ---------- */
.plate {
  position: relative;
  border: 1px solid var(--line);
}
.plate::before, .plate::after{
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
}
.plate::before{
  top: -1px; left: -1px;
  border-top: 1.5px solid var(--brass);
  border-left: 1.5px solid var(--brass);
}
.plate::after{
  bottom: -1px; right: -1px;
  border-bottom: 1.5px solid var(--brass);
  border-right: 1.5px solid var(--brass);
}

/* ---------- Nav ---------- */
header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: #0B1E3D;
  border-bottom: 1px solid #0B1E3D;
}
.header .brand,
header .brand{
  color: #FFFFFF;
}
header .brand .mono-tag{
  color: #9FB2D6;
}
header nav a{
  color: #C7D2E8;
}
header nav a:hover, header nav a.active{
  color: #FFFFFF;
}
header nav a::after{
  background: #FFFFFF;
}
.nav-inner{
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand{
  font-size: 19px;
  letter-spacing: 0.04em;
  font-weight: 400;
}
.brand .mono-tag{
  font-family: var(--mono);
  font-size: 10px;
  color: var(--brass);
  letter-spacing: 0.12em;
  display: block;
  margin-top: 2px;
}
nav ul{
  list-style: none;
  display: flex;
  gap: 34px;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
nav a{
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}
nav a:hover, nav a.active{ color: var(--green); }
nav a::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  width:0; height:1px;
  background: var(--brass);
  transition: width 0.25s ease;
}
nav a:hover::after, nav a.active::after{ width: 100%; }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 26px;
  height: 20px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  width: 100%;
  height: 2px;
  background: #FFFFFF;
}

/* ---------- Hero ---------- */
.hero{
  max-width: 1180px;
  margin: 0 auto;
  padding: 90px 40px 70px;
}
.hero-frame{
  padding: 56px 48px;
}
.eyebrow{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content:"";
  width: 26px; height: 1px;
  background: var(--brass);
  display:inline-block;
}
h1{
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}
h1 em{
  font-style: italic;
  color: var(--green);
}
.hero-sub{
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 560px;
  line-height: 1.65;
  margin: 0 0 34px;
}
.hero-meta{
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-top: 10px;
}
.hero-meta div span{
  display:block;
  color: var(--ink);
  font-size: 13px;
  margin-top: 4px;
}
.hero-meta .label{
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brass);
}
.hero-cta{
  display: flex;
  gap: 16px;
  margin-top: 34px;
  flex-wrap: wrap;
}
.btn{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  padding: 13px 24px;
  transition: all 0.2s ease;
  display: inline-block;
}
.btn:hover{
  background: var(--green);
  border-color: var(--green);
  color: var(--bg);
}
.btn.primary{
  background: var(--ink);
  color: var(--bg);
}
.btn.primary:hover{ background: var(--green); }

/* ---------- Section shell ---------- */
section{
  max-width: 1180px;
  margin: 0 auto;
  padding: 80px 40px;
}
.section-head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 46px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}
.section-head h2{
  font-family: var(--serif);
  font-weight: 400;
  font-size: 34px;
  margin: 0;
}
.section-head .count{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

/* ---------- Project grid ---------- */
.grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.grid.featured{
  grid-template-columns: repeat(2, 1fr);
}
.card{
  background: var(--bg);
  padding: 0 0 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover{
  transform: translateY(-4px);
  box-shadow: 0 18px 34px -22px rgba(20,23,28,0.35);
}
.card:hover.plate::before, .card:hover.plate::after{
  border-color: var(--green);
}
.thumb{
  aspect-ratio: 4/3;
  width: 100%;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 23px, var(--line) 23px, var(--line) 24px),
    repeating-linear-gradient(90deg, transparent, transparent 23px, var(--line) 23px, var(--line) 24px),
    var(--bg-alt);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.thumb .plate-id{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
  background: var(--bg);
  padding: 3px 8px;
  border: 1px solid var(--line);
}
.thumb img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.card-body{ padding: 20px 4px 0; }
.plate-num{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--brass);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.card h3{
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  margin: 0 0 8px;
}
.card p{
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0 0 14px;
}
.tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag{
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--green);
  background: var(--green-soft);
  padding: 4px 9px;
  border-radius: 2px;
}

/* ---------- About ---------- */
.about-wrap{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: start;
}
.about-wrap p{
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0 0 20px;
}
.about-wrap p:first-child{
  font-size: 20px;
  color: var(--ink);
  font-style: italic;
}
.skills-panel{
  border: 1px solid var(--line);
  padding: 28px 26px;
  position: relative;
}
.skills-panel h4{
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brass);
  margin: 0 0 18px;
}
.skill-row{
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.skill-row:first-of-type{ border-top: none; }
.skill-row span:last-child{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
}

/* ---------- Experience ---------- */
.experience-list{
  display: flex;
  flex-direction: column;
}
.experience-item{
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 30px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.experience-item:first-child{ border-top: none; }
.experience-item .exp-meta{
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  line-height: 1.7;
}
.experience-item .exp-meta .exp-dates{
  display: block;
  color: var(--brass);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.experience-item h3{
  font-family: var(--serif);
  font-weight: 400;
  font-size: 21px;
  margin: 0 0 4px;
}
.experience-item .exp-org{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin: 0 0 12px;
  display: block;
}
.experience-item p{
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.65;
  margin: 0;
  max-width: 620px;
}
.exp-figure{
  max-width: 320px;
  margin-top: 16px;
  border: 1px solid var(--line);
}
.exp-figure img{
  width: 100%;
  display: block;
}
@media (max-width: 700px){
  .experience-item{ grid-template-columns: 1fr; gap: 8px; }
}

a.card{
  display: block;
}
.card-link-label{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card:hover .card-link-label{ color: var(--ink-soft); }
.card-link-label .arrow{ transition: transform 0.2s ease; }
.card:hover .card-link-label .arrow{ transform: translateX(4px); }

/* ---------- Project detail page ---------- */
.project-hero{
  max-width: 900px;
  margin: 0 auto;
  padding: 70px 40px 20px;
}
.back-link{
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
}
.back-link:hover{ color: var(--ink); }
.project-hero .plate-num{ font-size: 12px; margin-bottom: 12px; }
.project-hero h1{ font-size: clamp(32px, 5vw, 46px); margin-bottom: 18px; }
.project-meta-row{
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  margin: 26px 0 10px;
}
.project-meta-row .label{
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brass);
  display: block;
  margin-bottom: 4px;
}
.project-body{
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 40px 90px;
}
.project-body .thumb{ margin-bottom: 40px; }
.project-body h2{
  font-family: var(--serif);
  font-weight: 400;
  font-size: 24px;
  margin: 42px 0 14px;
}
.project-body h2:first-child{ margin-top: 0; }
.project-body p{
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0 0 18px;
}
.body-figure{
  margin: 32px 0;
  border: 1px solid var(--line);
}
.body-figure img{
  width: 100%;
  display: block;
}
.body-figure figcaption{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
}
.project-nav{
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px 60px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
@media (max-width: 560px){
  .project-hero, .project-body, .project-nav{ padding-left: 22px; padding-right: 22px; }
  .project-meta-row{ gap: 20px; }
}

/* ---------- Contact ---------- */
.contact-panel{
  padding: 60px 48px;
  text-align: center;
}
.contact-panel .eyebrow{ justify-content: center; }
.contact-panel .eyebrow::before{ display:none; }
.contact-panel h2{
  font-family: var(--serif);
  font-weight: 400;
  font-size: 40px;
  margin: 0 0 18px;
}
.contact-panel > p{
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 480px;
  margin: 0 auto 34px;
  line-height: 1.6;
}
.contact-links{
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-detail-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
  text-align: left;
}
.contact-detail{
  border: 1px solid var(--line);
  padding: 22px 22px;
}
.contact-detail h4{
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brass);
  margin: 0 0 10px;
}
.contact-detail p, .contact-detail a{
  font-size: 15px;
  margin: 0;
  color: var(--ink);
}
.contact-detail a:hover{ color: var(--green); }

footer{
  border-top: 1px solid var(--line);
  padding: 26px 40px;
  display: flex;
  justify-content: space-between;
  max-width: 1180px;
  margin: 0 auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in{
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce){
  .reveal{ opacity: 1; transform: none; transition: none; }
  .card, nav a::after, .btn { transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
  .grid.featured{ grid-template-columns: 1fr; }
  .about-wrap{ grid-template-columns: 1fr; }
  .contact-detail-grid{ grid-template-columns: 1fr; }
  .nav-toggle{ display: flex; margin-left: auto; }
  .nav-inner{ position: relative; }
  nav ul{
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 8px 22px 18px;
    margin: 0;
    background: #0B1E3D;
  }
  header nav.open ul{ display: flex; }
  nav ul li{ padding: 14px 0; border-top: 1px solid rgba(255,255,255,0.15); }
  nav ul li:first-child{ border-top: none; }
}
@media (max-width: 560px){
  .grid{ grid-template-columns: 1fr; }
  .nav-inner, .hero, section{ padding-left: 22px; padding-right: 22px; }
  .hero-frame{ padding: 40px 26px; }
  .hero-meta{ gap: 24px; }
  footer{ flex-direction: column; gap: 8px; padding-left: 22px; padding-right: 22px; }
}

a:focus-visible, button:focus-visible{
  outline: 2px solid var(--green);
  outline-offset: 3px;
}