@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

/* ── Tokens ── */
:root {
  --white:  #ffffff;
  --black:  #111111;
  --gray:   #999999;
  --border: #e8e8e8;
  --f:      'Inter', sans-serif;
  --nav-w:  220px;
  --top-h:  48px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  background: var(--white);
  color: var(--black);
  font-family: var(--f);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { background: none; border: none; cursor: pointer; font: inherit; }
::selection { background: var(--black); color: var(--white); }

/* ════════════════════════════
   LAYOUT
════════════════════════════ */
.layout { display: flex; min-height: 100vh; }

/* ════════════════════════════
   SIDEBAR
════════════════════════════ */
.sidebar {
  width: var(--nav-w);
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  padding: 40px 24px 40px 32px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  background: var(--white);
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.site-title {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 36px;
  display: block;
  color: var(--black);
  transition: color .15s;
}
.site-title:hover { color: var(--gray); }

.nav-group { margin-bottom: 4px; }
.nav-cat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--black);
  padding: 6px 0;
  cursor: pointer;
  user-select: none;
  transition: color .15s;
}
.nav-cat:hover { color: var(--gray); }
.nav-cat-arrow { font-size: 10px; color: var(--gray); transition: transform .2s; }
.nav-cat.open .nav-cat-arrow { transform: rotate(90deg); }

.nav-sub { display: none; flex-direction: column; padding: 2px 0 8px 0; }
.nav-sub.open { display: flex; }
.nav-sub a {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray);
  padding: 4px 0;
  transition: color .15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-sub a:hover, .nav-sub a.active { color: var(--black); }
.nav-sub-all { font-style: italic; color: var(--black) !important; opacity: .55; }
.nav-sub-all:hover, .nav-sub-all.active { opacity: 1; }

.nav-link {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--black);
  padding: 6px 0;
  margin-top: 4px;
  transition: color .15s;
}
.nav-link:hover, .nav-link.active { color: var(--gray); }

.sidebar-bottom { margin-top: auto; padding-top: 32px; }
.sidebar-bottom a { font-size: 12px; font-weight: 400; color: var(--gray); transition: color .15s; }
.sidebar-bottom a:hover { color: var(--black); }

/* ════════════════════════════
   MAIN
════════════════════════════ */
.main { margin-left: var(--nav-w); flex: 1; min-width: 0; }

/* ════════════════════════════
   MOBILE TOP BAR
════════════════════════════ */
.topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--top-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 200;
}
.topbar-title { font-size: 15px; font-weight: 500; }
.topbar-burger { display: flex; flex-direction: column; gap: 4px; padding: 4px; }
.topbar-burger span {
  display: block; width: 18px; height: 1px;
  background: var(--black); transition: all .25s; transform-origin: center;
}
.topbar-burger.open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.topbar-burger.open span:nth-child(2) { opacity: 0; }
.topbar-burger.open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
.mobile-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.25); z-index: 98;
}
.mobile-overlay.open { display: block; }

/* ════════════════════════════
   HOME PAGE
════════════════════════════ */
.home-wrap {
  height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 32px;
  position: relative;
}
.home-name {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 300;
  letter-spacing: -.02em;
  line-height: 1;
  margin-bottom: 28px;
}
.home-cats {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
  line-height: 2.2;
}
.home-cats a { transition: color .15s; white-space: nowrap; }
.home-cats a:hover { color: var(--gray); }
.pipe { padding: 0 12px; color: var(--border); }
.dbl  { padding: 0 10px; color: var(--border); }
.home-copy {
  position: absolute;
  bottom: 24px;
  font-size: 11px;
  color: var(--gray);
  letter-spacing: .04em;
}

/* ════════════════════════════
   CATEGORY / GALLERY PAGE
════════════════════════════ */
.gallery-page { padding: 40px 56px 80px; max-width: 1410px; }

.gallery-h {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 32px;
  color: var(--gray);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
}
.gallery-item {
  display: block;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}
.gallery-item.wide { grid-column: span 2; }
.gallery-item:hover .gi-cap { opacity: 1; }
.gallery-item:hover .gi-ph  { transform: scale(1.02); }

.gi-ph {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -.01em;
  color: #888;
  transition: transform .5s cubic-bezier(.16,1,.3,1);
}
.gi-ph[style*="#1"] { color: #888; }
.gi-cap {
  position: absolute; inset: 0;
  background: rgba(255,255,255,.92);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px;
  opacity: 0;
  transition: opacity .2s;
}
.gi-cat   { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--gray); margin-bottom: 8px; }
.gi-title { font-size: 17px; font-weight: 500; color: var(--black); margin-bottom: 4px; line-height: 1.3; }
.gi-sub   { font-size: 13px; font-weight: 400; color: var(--gray); }

/* ════════════════════════════
   PROJECT DETAIL PAGE
════════════════════════════ */
.proj-page { padding: 40px 56px 100px; max-width: 1410px; }

.proj-back {
  display: inline-block;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 24px;
  transition: color .15s;
}
.proj-back:hover { color: var(--black); }

.proj-header {
  margin-bottom: 44px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.proj-title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -.01em;
  line-height: 1.3;
  margin-bottom: 12px;
}
.proj-sub {
  font-size: 15px;
  font-weight: 400;
  color: var(--gray);
  line-height: 1.7;
}
.proj-meta { display: flex; gap: 36px; margin-top: 24px; flex-wrap: wrap; }
.meta-label {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 4px;
}
.meta-val { font-size: 14px; font-weight: 500; color: var(--black); }

/* Images */
.proj-images { margin-bottom: 52px; padding: 10px; }
.img-full { width: 100%; display: block; margin-bottom: 20px; line-height: 0; }
.img-full img { width: 100%; height: auto; display: block; }
.img-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.img-row img { width: 100%; height: auto; display: block; }
.img-row-single { grid-template-columns: 1fr 1fr; }
.img-row-single img { grid-column: 1; }
/* 50% width, left-aligned */
.img-half-left { display: block; margin-bottom: 20px; line-height: 0; }
.img-half-left img { width: 50%; height: auto; display: block; }

/* Body text */
.proj-body h2 {
  font-size: 13px;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray);
}
.proj-body p {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.85;
  color: #333;
  margin-bottom: 14px;
}
.proj-body ul { margin-bottom: 18px; }
.proj-body ul li {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: #333;
  padding: 4px 0 4px 16px;
  position: relative;
}
.proj-body ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gray);
  font-size: 11px;
  top: 6px;
}

/* Tags */
.proj-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.proj-tag {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray);
  border: 1px solid var(--border);
  padding: 5px 11px;
}

/* Prev / Next navigation */
.proj-nav {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  gap: 24px;
}
.proj-nav-prev { flex: 1; text-align: left; }
.proj-nav-next { flex: 1; text-align: right; }
.proj-nav-label {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
}
.proj-nav-link {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -.01em;
  color: var(--black);
  display: inline-block;
  transition: opacity .2s;
}
.proj-nav-link:hover { opacity: .5; }
.proj-nav-disabled {
  font-size: 20px;
  font-weight: 400;
  color: var(--border);
  cursor: default;
}
@media (max-width: 768px) {
  .proj-nav { flex-direction: column; gap: 32px; }
  .proj-nav-next { text-align: left; }
}

/* ════════════════════════════
   PHOTOGRAPHY PAGE
════════════════════════════ */
.photo-page { padding: 40px 56px 100px; max-width: 1410px; }
.photo-page .photo-h {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 4px;
}
.photo-page .photo-title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -.01em;
  margin-bottom: 6px;
}
.photo-page .photo-sub {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 20px;
}
.photo-item { display: block; }
.photo-frame {
  width: 100%;
  aspect-ratio: 4/3;
  background: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #555;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.photo-cap {
  font-size: 12px;
  color: var(--gray);
  margin-top: 10px;
  line-height: 1.55;
}
@media (max-width: 900px) {
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .photo-grid { grid-template-columns: 1fr; }
  .photo-page { padding: 24px 20px 80px; }
}

/* ════════════════════════════
   ABOUT PAGE
════════════════════════════ */
.about-page { padding: 40px 56px 100px; max-width: 1410px; }
.about-page h1 { font-size: 22px; font-weight: 500; margin-bottom: 6px; }

.about-contact {
  font-size: 14px;
  font-weight: 400;
  color: var(--gray);
  margin-bottom: 48px;
  line-height: 2;
}
.about-contact a { border-bottom: 1px solid var(--border); transition: border-color .15s, color .15s; }
.about-contact a:hover { border-color: var(--black); color: var(--black); }

.about-section { margin-bottom: 44px; }
.about-section h2 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gray);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.about-section p { font-size: 15px; font-weight: 400; line-height: 1.85; color: #333; margin-bottom: 10px; }
.about-section ul li {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: #333;
  padding: 4px 0 4px 16px;
  position: relative;
}
.about-section ul li::before { content: '—'; position: absolute; left: 0; color: var(--gray); font-size: 11px; top: 6px; }

.exp-item {
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.exp-item:first-of-type { border-top: 1px solid var(--border); }
.exp-date    { font-size: 12px; font-weight: 400; color: var(--gray); padding-top: 1px; line-height: 1.5; }
.exp-role    { font-size: 15px; font-weight: 500; color: var(--black); margin-bottom: 2px; }
.exp-company { font-size: 14px; font-weight: 400; color: var(--gray); margin-bottom: 6px; }
.exp-desc    { font-size: 14px; font-weight: 400; color: #444; line-height: 1.7; }
.exp-desc ul li { font-size: 14px; padding: 3px 0 3px 14px; position: relative; }
.exp-desc ul li::before { content: '—'; position: absolute; left: 0; color: var(--gray); font-size: 10px; top: 5px; }

/* ════════════════════════════
   RESPONSIVE
════════════════════════════ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform .3s cubic-bezier(.16,1,.3,1);
    top: var(--top-h); z-index: 99;
    padding: 24px 24px 40px;
  }
  .sidebar.open { transform: translateX(0); }
  .topbar { display: flex; }
  .main { margin-left: 0; padding-top: var(--top-h); }

  .gallery-page { padding: 32px 20px 60px; }
  .proj-page    { padding: 24px 20px 80px; }
  .about-page   { padding: 24px 20px 80px; }

  .img-row { grid-template-columns: 1fr; }
  .img-row-single { grid-template-columns: 1fr; }
  .img-half-left img { width: 75%; }
  .proj-meta { gap: 18px; }
  .exp-item { grid-template-columns: 1fr; gap: 4px; }

  .home-name { font-size: clamp(26px, 8vw, 40px); }
  .home-cats {
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 12px;
  }
  .pipe, .dbl { display: none; }
}
@media (max-width: 500px) {
  .gallery-grid { grid-template-columns: 1fr; gap: 2px; }
  .gallery-item.wide { grid-column: span 1; }
  .gi-ph { aspect-ratio: 4/3 !important; grid-column: span 1 !important; }
  .gi-cap { opacity: 1; background: rgba(255,255,255,.88); padding: 14px; }
}
@media (max-width: 600px) {
  .img-row-single { grid-template-columns: 1fr; }
}