:root {
  --paper: #ffffff;
  --ink: #111111;
  --mute: #8a8a8a;
  --line: #e6e6e6;
  --accent: #c8562a;
  --font: "Karla", system-ui, sans-serif;
  --side: 220px;
  --gap: 22px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 15px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
[hidden] { display: none !important; }

/* ---------- sidebar ---------- */
.side { position: fixed; top: 0; left: 0; bottom: 0; width: var(--side); padding: 36px 28px; display: flex; flex-direction: column; gap: 28px; }
.logo { display: block; }
.logo img { width: 118px; height: auto; }
.logo img + .logo-text { display: none; }
.logo-text { display: block; font-weight: 500; font-size: 1.05rem; line-height: 1.2; letter-spacing: .01em; }
.menu { display: flex; flex-direction: column; gap: 4px; }
.menu a { color: var(--mute); width: fit-content; padding: 1px 0; }
.menu a:hover { color: var(--ink); }
.menu a.is-on { color: var(--accent); }
.menu.secondary { margin-top: 4px; }
.lang { margin-top: auto; display: flex; gap: 6px; align-items: baseline; color: var(--mute); font-size: .9rem; }
.lang button { font: inherit; color: var(--mute); background: none; border: 0; padding: 0; cursor: pointer; }
.lang button:hover { color: var(--ink); }
.lang button.is-on { color: var(--accent); }
.social { margin-top: 14px; display: flex; flex-direction: column; gap: 4px; font-size: .9rem; color: var(--mute); }
.social a:hover { color: var(--ink); }

/* ---------- content ---------- */
.content { margin-left: var(--side); padding: 36px 36px 40px 28px; min-height: 100vh; }

.masonry { columns: 3; column-gap: var(--gap); }
@media (min-width: 1500px) { .masonry { columns: 4; } }
@media (max-width: 1100px) { .masonry { columns: 2; } }

/* project images: one row per song, watercolor left, pen and ink right */
.pairs { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); align-items: start; }
.pairs .piece { margin: 0; }

/* digital drawings: large image + three close-up crops that fill its height (or width) with equal gaps */
.dgroup { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 620px) 150px; gap: var(--gap); align-items: stretch; margin-bottom: 64px; }
.dgroup > .piece { margin: 0; position: relative; align-self: start; }
.dgroup > .piece figcaption { position: absolute; left: 0; top: 100%; margin-top: 10px; white-space: nowrap; }
.dgroup .dets { display: flex; flex-direction: column; gap: 14px; }
.dgroup .dets .piece { margin: 0; position: relative; flex: 1 1 0; min-height: 0; display: block; }
.dgroup .dets figure { position: absolute; inset: 0; }
.dgroup .dets img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; aspect-ratio: auto !important; }
.dgroup .dets figcaption { display: none; }
.dgroup.wide { grid-template-columns: minmax(0, 880px); gap: 14px; }
.dgroup.wide > .piece figcaption { position: static; margin-top: 8px; white-space: normal; }
.dgroup.wide .dets { flex-direction: row; }
.dgroup.wide .dets .piece { height: 150px; flex: 1 1 0; }

/* project cover */
.cover { display: block; break-inside: avoid; margin: 0 0 calc(var(--gap) + 4px); width: 100%; }
.cover .img { background: #f1f1f1; }
.cover img { width: 100%; height: auto; }
.cover .t { margin-top: 10px; font-weight: 500; line-height: 1.25; }
.cover .s { color: var(--mute); font-size: .9rem; }
.cover:hover .t { color: var(--accent); }
.cover.soon { cursor: default; }
.cover.soon .img { background: #f1f1f1; }
.cover.soon .t { color: var(--mute); }
.cover.soon:hover .t { color: var(--mute); }

/* image inside a project */
.piece { break-inside: avoid; margin: 0 0 var(--gap); display: block; width: 100%; background: none; border: 0; padding: 0; cursor: zoom-in; text-align: left; font: inherit; color: inherit; }
.piece img { width: 100%; height: auto; background: #f1f1f1; }
.piece figcaption { margin-top: 8px; font-size: .85rem; color: var(--mute); }
.empty { color: var(--mute); }

/* ---------- project header ---------- */
.back { display: inline-block; margin-bottom: 24px; color: var(--mute); }
.back::before { content: "← "; }
.back:hover { color: var(--ink); }
.p-top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) 200px; gap: clamp(20px, 3vw, 44px); margin-bottom: 40px; align-items: start; }
.p-title h1 { margin: 0; font-size: 1.05rem; font-weight: 500; }
.p-sub { margin: 4px 0 0; color: var(--mute); }
.p-text p { max-width: 60ch; }
.p-facts { margin: 0; display: grid; gap: 12px; }
.p-facts div { display: grid; gap: 1px; }
.p-facts dt { color: var(--mute); font-size: .85rem; }
.p-facts dd { margin: 0; }
.p-next { margin: 32px 0 8px; padding-top: 18px; border-top: 1px solid var(--line); }
.p-next a { display: inline-block; }
.p-next small { display: block; color: var(--mute); font-size: .85rem; }
.p-next a:hover span { color: var(--accent); }

/* ---------- about / contact ---------- */
.prose { max-width: 58ch; padding-top: 6px; }
.prose h1 { font-size: 1.05rem; font-weight: 500; margin: 0 0 22px; }
.prose p { font-size: 1.05rem; }
.prose .big { font-size: 1.5rem; margin-top: 28px; }
.prose a { border-bottom: 1px solid var(--line); }
.prose a:hover { border-bottom-color: var(--ink); }
.facts { margin: 32px 0 0; display: grid; gap: 10px; }
.facts div { display: grid; grid-template-columns: 90px 1fr; gap: 12px; }
.facts dt { color: var(--mute); }
.facts dd { margin: 0; }
.prose h2 { font-size: 1.05rem; font-weight: 500; margin: 44px 0 14px; }
.exh { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.exh li { display: grid; grid-template-columns: 90px 1fr; gap: 12px; }
.exh li span:first-child { color: var(--mute); }
.foot { margin-top: 48px; font-size: .85rem; color: var(--mute); }

/* ---------- lightbox ---------- */
dialog { border: 0; padding: 0; background: var(--paper); width: 100vw; height: 100vh; max-width: none; max-height: none; }
dialog::backdrop { background: rgba(255,255,255,.96); }
dialog figure { margin: 0; height: 100%; display: grid; place-items: center; align-content: center; gap: 14px; padding: 48px; }
dialog img { max-height: 84vh; max-width: 92vw; width: auto; }
dialog figcaption { font-size: .9rem; color: var(--mute); }
dialog .close { position: fixed; top: 22px; right: 28px; border: 0; background: none; font: inherit; color: var(--mute); cursor: pointer; }
dialog .close:hover { color: var(--ink); }
dialog .nav { position: fixed; top: 50%; transform: translateY(-50%); border: 0; background: none; font: inherit; font-size: 1.6rem; line-height: 1; color: var(--mute); cursor: pointer; padding: 18px 20px; }
dialog .nav:hover { color: var(--ink); }
dialog .prev { left: 6px; }
dialog .next { right: 6px; }
dialog .count { position: fixed; top: 24px; left: 28px; font-size: .9rem; color: var(--mute); }

/* ---------- small screens ---------- */
.menu-toggle { display: none; }
.side-nav { display: contents; }
@media (max-width: 1000px) { .p-top { grid-template-columns: 1fr 1fr; } .p-facts { grid-column: 1 / -1; grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 820px) {
  .side { position: sticky; top: 0; z-index: 20; width: auto; padding: 14px 20px; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0; max-height: 100vh; overflow-y: auto; }
  .logo { margin: 0; }
  .logo img { width: 84px; }
  .logo-text { font-size: .98rem; }
  .logo-text br { display: none; }
  .menu-toggle { display: block; font: inherit; color: var(--ink); background: none; border: 0; padding: 8px 0 8px 16px; cursor: pointer; }
  .side.open .menu-toggle { color: var(--accent); }
  .side-nav { display: none; width: 100%; flex-direction: column; gap: 22px; padding: 18px 0 8px; }
  .side.open .side-nav { display: flex; }
  .menu, .menu.secondary { flex-direction: column; gap: 2px; margin: 0; }
  .menu a { font-size: 1.1rem; padding: 6px 0; }
  .lang { margin-top: 0; font-size: 1rem; }
  .social { display: flex; flex-direction: row; gap: 20px; margin-top: 0; font-size: 1rem; }
  .content { margin-left: 0; padding: 20px 20px 40px; min-height: 0; }
  .masonry { columns: 2; column-gap: 14px; }
  .cover { margin-bottom: 20px; }
  .cover .t { font-size: .95rem; }
  .cover .s { font-size: .82rem; }
  .piece { margin-bottom: 14px; }
  .pairs { gap: 12px; }
  .p-top { grid-template-columns: 1fr; gap: 18px; margin-bottom: 28px; }
  .p-facts { grid-template-columns: 1fr; }
  .back { margin-bottom: 16px; }
  dialog figure { padding: 56px 12px 24px; }
  dialog img { max-width: 96vw; }
  dialog .nav { top: auto; bottom: 14px; transform: none; padding: 10px 18px; }
}
@media (max-width: 480px) { .pairs { grid-template-columns: 1fr; } .dgroup, .dgroup.wide { grid-template-columns: 1fr; } .dgroup > .piece figcaption { position: static; } .dgroup .dets, .dgroup.wide .dets { flex-direction: row; gap: 10px; } .dgroup .dets .piece, .dgroup.wide .dets .piece { height: auto; aspect-ratio: 1 / 1; flex: 1 1 0; } }

#view-about { max-width: 900px; }
.about-top { display: grid; grid-template-columns: minmax(0, 46ch) 250px; gap: 72px; align-items: center; margin-bottom: 8px; }
.about-text { max-width: 46ch; }
.about-img { width: 100%; height: auto; display: block; }
@media (max-width: 700px) { .about-top { grid-template-columns: 1fr; gap: 24px; } .about-img { order: -1; width: 170px; } }

.ico { width: 1.05em; height: 1.05em; flex: none; }
.social a, .soc-links a { display: inline-flex; align-items: center; gap: 8px; }
.prose .soc-links { display: flex; gap: 26px; margin-top: 40px; }
.prose .soc-links a { border-bottom: 0; color: var(--mute); }
.prose .soc-links a:hover { color: var(--ink); }
.cform { display: grid; gap: 16px; margin-top: 36px; max-width: 520px; }
.cform label { display: grid; gap: 6px; font-size: .9rem; color: var(--mute); }
.cform input, .cform textarea { font: inherit; font-size: 1rem; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 0; padding: 10px 12px; width: 100%; }
.cform input:focus, .cform textarea:focus { outline: none; border-color: var(--ink); }
.cform textarea { resize: vertical; }
.cform button { justify-self: start; font: inherit; color: #fff; background: var(--ink); border: 0; padding: 11px 22px; cursor: pointer; }
.cform button:hover { opacity: .85; }
.cform .cnote { font-size: .85rem; color: var(--mute); margin: 0; }
.cform .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.cform .cnote.ok { color: var(--ink); }
.cform .cnote.bad { color: #b3261e; }
.cform button:disabled { opacity: .5; cursor: default; }

/* covers: soft zoom on hover */
.cover .img { position: relative; overflow: hidden; }
.cover img { display: block; transition: transform .7s cubic-bezier(.2,.6,.2,1); }
.cover:hover img, .cover:focus-visible img { transform: scale(1.045); }
@media (prefers-reduced-motion: reduce) { .cover img { transition: none; } .cover:hover img { transform: none; } }

/* light image protection: no drag, no long-press save, no right-click "save image", hidden when printing */
img { -webkit-user-drag: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.cover .img::after, .piece::after { content: ""; position: absolute; inset: 0; z-index: 2; }
.piece { position: relative; }
@media print { img { display: none !important; } body::before { content: "© M. Feta Büyükköse"; } }

/* home covers: row-by-row masonry (columns built in script.js) */
.masonry.rows { columns: auto; display: flex; align-items: flex-start; gap: var(--gap); }
.masonry.rows .mcol { flex: 1 1 0; min-width: 0; }
@media (max-width: 820px) { .masonry.rows { gap: 14px; } }