:root{
  --bg: #FAFAF8;
  --paper: #FFFFFF;
  --ink: #1A1A1A;
  --ink-soft: #55534E;
  --ink-faint: #8A877E;
  --line: #E4E1D9;
  --teal: #0F6E66;
  --teal-tint: #E4F1EF;
  --purple: #5B3A8C;
  --purple-tint: #EEE7F7;
}

*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter', sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

a{ color:inherit; }

.wrap{
  max-width:900px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Nav (shared across every page) ---------- */
nav{
  padding:24px 0;
  border-bottom:1px solid var(--line);
  background:var(--bg);
  position:sticky;
  top:0;
  z-index:100;
  transition:background-color 0.25s ease, backdrop-filter 0.25s ease, border-color 0.25s ease;
}

nav.scrolled{
  background:rgba(250,250,248,0.7);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-color:rgba(228,225,217,0.6);
}

nav .wrap{
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.nav-name{
  font-family:'Fraunces', serif;
  font-weight:500;
  font-size:1.1rem;
}

.nav-name a{
  color:var(--ink);
  text-decoration:none;
  transition:color 0.15s ease;
}

.nav-name a:hover{ color:var(--teal); }

.nav-links{
  display:flex;
  gap:28px;
  font-size:14.5px;
}

.nav-links a{
  color:var(--ink-soft);
  text-decoration:none;
  transition:color 0.15s ease;
}

.nav-links a:hover{ color:var(--teal); }
.nav-links a.active{ color:var(--ink); font-weight:600; }

/* ---------- Header / Hero (shared shape, pages may override sizing) ---------- */
header.hero{
  padding:80px 0 56px;
  border-bottom:1px solid var(--line);
}

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-bottom:18px;
}

h1.title{
  font-family:'Fraunces', serif;
  font-weight:500;
  font-size:clamp(2rem, 5vw, 2.9rem);
  line-height:1.1;
  letter-spacing:-0.01em;
  margin:0 0 14px;
}

.subtitle{
  font-size:16px;
  color:var(--ink-soft);
  margin:0;
}

/* ---------- Section rhythm ---------- */
section{
  padding:56px 0;
  border-bottom:1px solid var(--line);
}

section:last-of-type{ border-bottom:none; }

.section-label{
  font-family:'IBM Plex Mono', monospace;
  font-size:11px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin:0 0 14px;
}

h2{
  font-family:'Fraunces', serif;
  font-weight:500;
  font-size:1.6rem;
  line-height:1.25;
  margin:0 0 20px;
  letter-spacing:-0.01em;
}

h3{
  font-family:'Inter', sans-serif;
  font-weight:600;
  font-size:1rem;
  margin:26px 0 10px;
}

p{ margin:0 0 16px; font-size:16px; }
p.soft{ color:var(--ink-soft); }

ul{ margin:0 0 16px; padding-left:20px; }
li{ margin-bottom:8px; font-size:16px; }

strong{ font-weight:600; }

/* ---------- Image placeholders (shared everywhere until real screenshots exist) ---------- */
figure{ margin:26px 0; }

.placeholder{
  background:
    linear-gradient(135deg, #E9E7E1 25%, #E2DFD7 25%, #E2DFD7 50%, #E9E7E1 50%, #E9E7E1 75%, #E2DFD7 75%, #E2DFD7 100%);
  background-size: 26px 26px;
  border:1px solid var(--line);
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#9A978E;
  font-family:'IBM Plex Mono', monospace;
  font-size:11.5px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  min-height:220px;
  text-align:center;
  padding:20px;
}

.placeholder.tall{ min-height:340px; }
.placeholder.short{ min-height:140px; }

figcaption{
  font-size:13px;
  color:var(--ink-soft);
  margin-top:10px;
  font-style:italic;
}

.figure-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}

@media (max-width:600px){
  .figure-row{ grid-template-columns:1fr; }
}

/* ---------- Chips (used on resume + case studies for requirement/tag lists) ---------- */
.chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:20px 0 4px;
}

.chip, .tag{
  font-size:13.5px;
  padding:8px 14px;
  border-radius:20px;
  background:var(--purple-tint);
  color:var(--purple);
  border:1px solid #DCCBF0;
}

/* ---------- Lightbox (click any figure image to zoom) ---------- */
.lightbox-overlay{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(20,24,22,0.92);
  z-index:1000;
  align-items:center;
  justify-content:center;
  padding:40px;
  cursor:zoom-out;
}

.lightbox-overlay.active{ display:flex; }

.lightbox-img{
  max-width:100%;
  max-height:100%;
  border-radius:6px;
  box-shadow:0 20px 60px rgba(0,0,0,0.4);
  cursor:default;
}

.lightbox-close{
  position:absolute;
  top:24px;
  right:32px;
  font-size:36px;
  color:#F2F0E9;
  font-family:'Inter', sans-serif;
  line-height:1;
  cursor:pointer;
  font-weight:300;
}

/* ---------- Case study footer navigation (prev / next case study) ---------- */
.case-nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  padding:32px 0;
  border-top:1px solid var(--line);
  margin-bottom:32px;
}

@media (max-width:600px){
  .case-nav{ flex-direction:column; align-items:stretch; text-align:center; gap:20px; }
}

.case-nav .prev-link,
.case-nav .next-link{
  display:inline-flex;
  flex-direction:column;
}

.case-nav .next-link{
  margin-left:auto;
  text-align:right;
  align-items:flex-end;
}

.case-nav .prev-link{
  text-align:left;
  align-items:flex-start;
}

@media (max-width:600px){
  .case-nav .next-link{ margin-left:0; text-align:center; align-items:center; }
  .case-nav .prev-link{ text-align:center; align-items:center; }
}

.prev-link .nav-label,
.next-link .next-label{
  display:block;
  font-family:'IBM Plex Mono', monospace;
  font-size:11px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--ink-faint);
  margin-bottom:6px;
}

.prev-link .nav-title,
.next-link .next-title{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:'Fraunces', serif;
  font-size:1.15rem;
  font-weight:500;
  color:var(--ink);
}

.prev-link .arrow,
.next-link .arrow{
  transition:transform 0.15s ease;
}

.prev-link:hover .nav-title{ color:var(--teal); }
.prev-link:hover .arrow{ transform:translateX(-3px); }
.next-link:hover .next-title{ color:var(--teal); }
.next-link:hover .next-title .arrow{ transform:translateX(3px); }

/* ---------- Footer ---------- */
footer{
  padding:56px 0 96px;
  text-align:center;
  font-size:13px;
  color:var(--ink-faint);
}

footer a{ color:var(--teal); }
footer a:hover{ text-decoration:underline; }