/* Umut Eren Demirci · portfolio. Dark game-shelf theme; pages are generated by src/site_v2.py. */
:root {
  color-scheme: dark;
  --bg: #0b0f18;
  --bg-2: #10162299;
  --panel: #141b2a;
  --panel-2: #1a2336;
  --line: rgba(255, 255, 255, .08);
  --line-2: rgba(255, 255, 255, .14);
  --text: #eef0f6;
  --muted: #a2abc0;
  --faint: #6f7891;
  --accent: #ff7a33;
  --accent-2: #ffb07a;
  --radius: 18px;
  --wrap: 1120px;
  --shadow: 0 18px 50px rgba(0, 0, 0, .45);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
html, body { margin: 0; overflow-x: hidden; }
body {
  font-family: Inter, system-ui, Arial, sans-serif; font-size: 16px; line-height: 1.65; color: var(--text);
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(255, 122, 51, .10), transparent 60%),
    radial-gradient(900px 600px at -10% 20%, rgba(90, 120, 255, .08), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}
h1, h2, h3 { font-family: Fraunces, Georgia, serif; font-weight: 600; letter-spacing: -.01em; margin: 0; line-height: 1.12; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
img, video { display: block; max-width: 100%; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }
.kicker { font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }
.muted { color: var(--muted); }
.note { font-size: 14px; color: var(--faint); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* ---------- header ---------- */
.site-head { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(11, 15, 24, .72); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 66px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: .01em; }
.brand svg { width: 36px; height: 36px; flex: none; }
.site-head nav { display: flex; align-items: center; gap: 4px; }
.site-head nav a { padding: 8px 12px; border-radius: 10px; color: var(--muted); font-weight: 500; font-size: 15px; transition: color .15s, background .15s; }
.site-head nav a:hover { color: var(--text); background: rgba(255, 255, 255, .06); }
.site-head nav a.cv { color: var(--text); border: 1px solid var(--line-2); margin-left: 6px; }
.site-head nav a.lang { color: var(--text); font-weight: 700; font-size: 13px; letter-spacing: .06em; margin-left: 6px; padding: 7px 10px;
  border: 1px solid var(--line-2); border-radius: 10px; }
.site-head nav a.lang:hover { border-color: var(--text); }
.en-badge { display: inline-block; margin-left: 8px; padding: 1px 6px; border-radius: 6px; font-size: 10px; font-weight: 700;
  letter-spacing: .08em; vertical-align: 2px; color: var(--muted); border: 1px solid var(--line-2); text-transform: none; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 12px; font-weight: 600; font-size: 15px;
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); margin: 6px 8px 0 0; transition: transform .15s, background .15s, border-color .15s; }
.btn:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .28); transform: translateY(-1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #1b0c03; }
.btn.primary:hover { background: #ff8c4d; }

/* ---------- about (the hero) ---------- */
.about { padding: 72px 0 56px; }
.about .wrap { display: grid; grid-template-columns: 1.35fr .65fr; gap: 56px; align-items: center; }
.about h1 { font-size: clamp(40px, 6.2vw, 68px); margin: 10px 0 6px; }
.about .role { font-size: 20px; font-weight: 600; margin-bottom: 22px; }
.about .role span { color: var(--accent); }
.about .lead { font-size: 19px; color: var(--text); max-width: 620px; }
.about .story { color: var(--muted); max-width: 640px; }
.portrait { position: relative; justify-self: end; width: min(300px, 100%); }
.portrait img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 50%; position: relative; z-index: 1;
  border: 4px solid var(--bg); }
.portrait::before { content: ""; position: absolute; inset: -10px; border-radius: 50%;
  background: conic-gradient(from 200deg, var(--accent), #ffcf5a, #5fd4c4, #a284ff, var(--accent)); filter: blur(.5px); opacity: .9; }
.portrait::after { content: ""; position: absolute; inset: -40px; border-radius: 50%; z-index: -1;
  background: radial-gradient(closest-side, rgba(255, 122, 51, .25), transparent); }
.facts { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 8px; padding: 0; list-style: none; }
.facts li { font-size: 14px; color: var(--muted); padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .02); }

/* ---------- sections ---------- */
.block { padding: 64px 0; border-top: 1px solid var(--line); }
.block-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; flex-wrap: wrap; }
.block h2 { font-size: clamp(30px, 4vw, 40px); margin-top: 6px; }
.block-head p { margin: 0; color: var(--muted); max-width: 440px; }
.hint-touch { display: none; }
@media (hover: none) { .hint-touch { display: inline; } .hint-hover { display: none; } }

/* ---------- game cards ---------- */
.shelf { display: flex; flex-wrap: wrap; justify-content: center; gap: 28px; }
.gcard { --g: var(--accent); position: relative; width: 300px; aspect-ratio: 9 / 15; perspective: 1400px; display: block; }
.gcard-inner { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .75s cubic-bezier(.2, .75, .2, 1); }
.face { position: absolute; inset: 0; border-radius: var(--radius); overflow: hidden; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  background: var(--panel); border: 1px solid var(--line-2); box-shadow: var(--shadow); }
.face::after { content: ""; position: absolute; inset: 7px; border-radius: 13px; border: 1px solid color-mix(in srgb, var(--g) 45%, transparent);
  pointer-events: none; }
.front img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.front::before { content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(11, 15, 24, 0) 38%, rgba(11, 15, 24, .82) 70%, rgba(11, 15, 24, .97)); }
.front-meta { position: absolute; left: 22px; right: 22px; bottom: 22px; z-index: 2; }
.front-meta h3 { font-size: 30px; margin: 4px 0 8px; }
.front-meta .tags { display: flex; flex-wrap: wrap; gap: 6px; }
.front-meta .tags span { font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; color: var(--text);
  background: rgba(255, 255, 255, .08); border: 1px solid var(--line-2); }
.numeral { position: absolute; top: 18px; left: 20px; z-index: 2; font-family: Fraunces, serif; font-weight: 700; font-size: 15px;
  letter-spacing: .12em; color: var(--g); text-shadow: 0 1px 8px rgba(0, 0, 0, .8); }
.ribbon { position: absolute; top: 16px; right: 16px; z-index: 2; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  padding: 4px 9px; border-radius: 999px; background: var(--g); color: #0b0f18; }
.flip-hint { position: absolute; top: 50px; right: 18px; z-index: 2; font-size: 12px; color: rgba(255, 255, 255, .75);
  text-shadow: 0 1px 6px #000; opacity: 0; transition: opacity .3s; }
.back { transform: rotateY(180deg); background: #000; }
.back video, .back .poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.back::before { content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(5, 7, 12, 0) 34%, rgba(5, 7, 12, .78) 54%, rgba(5, 7, 12, .96) 70%, rgba(5, 7, 12, .99)); }
.back-meta { position: absolute; left: 22px; right: 22px; bottom: 20px; z-index: 2; }
.back-meta .pitch { font-size: 15px; line-height: 1.5; margin: 0 0 12px; color: #fff; }
.back-meta .open { font-weight: 700; font-size: 14px; color: var(--g); }
.back-meta .open::after { content: " →"; }

.gcard:focus-visible { outline: none; }
.gcard:focus-visible .face { outline: 2px solid var(--g); outline-offset: 4px; }
.gcard.flipped .gcard-inner { transform: rotateY(180deg); }
@media (hover: hover) and (pointer: fine) {
  .gcard:hover .gcard-inner, .gcard:focus-visible .gcard-inner { transform: rotateY(180deg); }
  .gcard:hover .front img { transform: scale(1.04); }
  .gcard .flip-hint { opacity: 1; }
}
.gcard:hover .face, .gcard.flipped .face { box-shadow: 0 24px 60px rgba(0, 0, 0, .55), 0 0 0 1px color-mix(in srgb, var(--g) 40%, transparent),
  0 0 40px color-mix(in srgb, var(--g) 22%, transparent); }
@media (prefers-reduced-motion: reduce) {
  .gcard-inner { transition: none; transform: none !important; }
  .back { transform: none; opacity: 0; transition: opacity .25s; }
  .gcard.flipped .back { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) and (hover: hover) and (pointer: fine) {
  .gcard:hover .back, .gcard:focus-visible .back { opacity: 1; }
}

/* ---------- more work ---------- */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tiles.samples { grid-template-columns: repeat(2, 1fr); }
.tiles.samples .tile.feature { grid-column: 1 / -1; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column;
  transition: border-color .2s, transform .2s; }
.tile:hover { border-color: var(--line-2); transform: translateY(-2px); }
.tile h3 { font-size: 24px; margin: 8px 0 10px; }
.tile p { color: var(--muted); font-size: 15px; }
.tile .more { margin-top: auto; font-weight: 600; color: var(--accent-2); }
.tile .more::after { content: " →"; }
.tile img { border-radius: 10px; margin: 4px 0 16px; border: 1px solid var(--line); }

/* ---------- contact / footer ---------- */
.contact { text-align: center; }
.contact h2 { margin-bottom: 10px; }
.contact p { color: var(--muted); }
.site-foot { padding: 32px 0 48px; border-top: 1px solid var(--line); color: var(--faint); font-size: 14px; }
.site-foot .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- game page ---------- */
.crumb { display: inline-block; margin: 26px 0 0; color: var(--muted); font-size: 14px; font-weight: 600; }
.crumb:hover { color: var(--text); }
.ghero { --g: var(--accent); padding: 26px 0 40px; }
.ghero .wrap { display: grid; grid-template-columns: 1fr 340px; gap: 56px; align-items: center; }
.ghero.wide .wrap { grid-template-columns: 1fr; gap: 30px; }
.ghero .kicker { color: var(--g); }
.ghero h1 { font-size: clamp(40px, 6vw, 64px); margin: 10px 0 8px; }
.ghero .tagline { font-family: Fraunces, serif; font-size: 22px; font-style: italic; color: var(--muted); margin-bottom: 20px; }
.ghero .lead { font-size: 18px; }
.ghero .role { color: var(--muted); }
.ghero .btn.primary { background: var(--g); border-color: var(--g); color: #0b0f18; }
.ghero .btn.primary:hover { filter: brightness(1.1); background: var(--g); }
.phone { position: relative; border-radius: 34px; padding: 10px; background: #05070c; border: 1px solid var(--line-2);
  box-shadow: var(--shadow), 0 0 80px color-mix(in srgb, var(--g) 25%, transparent); }
.phone video { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 25px; background: #000; }
.screen-wide { border-radius: 16px; overflow: hidden; border: 1px solid var(--line-2);
  box-shadow: var(--shadow), 0 0 80px color-mix(in srgb, var(--g) 18%, transparent); }
.screen-wide video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; image-rendering: pixelated; background: #000; }
.ghero.wide .text { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 26px 0 8px; }
.stats div { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; font-size: 14px; color: var(--muted); }
.stats b { display: block; font-family: Fraunces, serif; font-size: 28px; color: var(--text); line-height: 1.1; margin-bottom: 4px; }

.design { --g: var(--accent); }
.design .wrap { display: grid; grid-template-columns: 240px 1fr; gap: 48px; align-items: start; }
.toc { position: sticky; top: 92px; font-size: 14px; }
.toc .kicker { color: var(--g); display: block; margin-bottom: 10px; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line-2); }
.toc a { display: block; padding: 5px 0 5px 14px; margin-left: -1px; border-left: 2px solid transparent; color: var(--muted); }
.toc a:hover { color: var(--text); }
.toc a.on { color: var(--text); border-left-color: var(--g); }
.design-intro { color: var(--muted); margin-bottom: 26px; max-width: 680px; }
.summary { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px 22px; margin-bottom: 16px; }
.summary h3 { font-size: 23px; margin-bottom: 12px; display: flex; gap: 14px; align-items: baseline; }
.summary h3 .n { font-family: Inter, sans-serif; font-size: 13px; font-weight: 700; color: var(--g); letter-spacing: .08em; min-width: 22px; }
.summary p, .summary li { color: #cdd3e1; }
.summary ul { margin: 0 0 1em; padding-left: 20px; }
.summary li { margin-bottom: 6px; }
.summary b { color: var(--text); }
.summary .full { display: inline-flex; gap: 6px; font-weight: 600; font-size: 14px; color: var(--g); border-top: 1px solid var(--line); padding-top: 12px; width: 100%; }
.summary .full:hover { text-decoration: underline; }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.gallery.wide { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.gallery img { width: 100%; border-radius: 12px; border: 1px solid var(--line); cursor: zoom-in; transition: transform .2s, border-color .2s; }
.gallery img:hover { transform: translateY(-3px); border-color: var(--line-2); }
.gallery.wide img { image-rendering: pixelated; }
.docs { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.doc { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; transition: border-color .2s, transform .2s; }
.doc:hover { border-color: var(--g, var(--accent)); transform: translateY(-2px); }
.doc b { display: block; font-size: 15px; }
.doc span { font-size: 13px; color: var(--muted); }
.doc .pdf { float: right; font-size: 11px; font-weight: 700; color: var(--faint); letter-spacing: .1em; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pager a { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px 20px; transition: border-color .2s; }
.pager a:hover { border-color: var(--line-2); }
.pager small { display: block; color: var(--muted); font-size: 13px; }
.pager b { font-family: Fraunces, serif; font-size: 20px; }
.pager .next { text-align: right; }

/* ---------- lightbox ---------- */
#lb { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center;
  background: rgba(5, 7, 12, .94); padding: 56px 16px 64px; }
#lb.open { display: flex; }
#lb img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 10px; box-shadow: 0 16px 48px rgba(0, 0, 0, .5); }
#lb img.px { image-rendering: pixelated; }
#lb p { position: absolute; left: 16px; right: 16px; bottom: 18px; margin: 0; text-align: center; color: #ddd; font-size: 14px; }
#lb button { position: absolute; background: rgba(255, 255, 255, .12); color: #fff; border: 0; border-radius: 50%;
  width: 44px; height: 44px; font-size: 22px; line-height: 44px; cursor: pointer; }
#lb button:hover { background: rgba(255, 255, 255, .25); }
#lb .x { top: 10px; right: 12px; } #lb .prev { left: 12px; top: 50%; } #lb .next { right: 12px; top: 50%; }
body.lb-lock { overflow: hidden; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .tiles { grid-template-columns: 1fr 1fr; }
  .design .wrap { grid-template-columns: 1fr; }
  .toc { display: none; }
  .ghero.wide .text { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 820px) {
  .about .wrap, .ghero .wrap { grid-template-columns: 1fr; gap: 32px; }
  .portrait { justify-self: start; width: 170px; order: -1; }
  .ghero .phone { max-width: 300px; }
  .site-head nav a:not(.cv):not(.lang) { display: none; }
}
@media (max-width: 680px) {
  .gcard { width: calc(50% - 8px); }
  .shelf { gap: 16px; }
  .front-meta, .back-meta { left: 14px; right: 14px; bottom: 14px; }
  .front-meta h3 { font-size: 21px; }
  .front-meta .tags span:nth-child(2) { display: none; }
  .back-meta .pitch { font-size: 12.5px; margin-bottom: 8px; }
  .numeral { top: 13px; left: 15px; }
  .ribbon { top: 11px; right: 11px; font-size: 10px; }
  .tiles, .stats { grid-template-columns: 1fr; }
  .pager { grid-template-columns: 1fr; }
  .summary { padding: 22px 20px 18px; }
  .about { padding-top: 40px; }
}
@media (max-width: 420px) {
  .gcard { width: min(320px, 100%); }
  .front-meta h3 { font-size: 26px; }
  .front-meta .tags span:nth-child(2) { display: inline; }
  .back-meta .pitch { font-size: 14px; }
}

@media (max-width: 680px) { .tiles.samples { grid-template-columns: 1fr; } }