/* Wooji Kütüphane — koyu galeri/wiki (21st.dev ruhu). Monokrom kabuk +
   sektör-renkli preview'ler + Fraunces serif hero. CSP: her şey self-host. */

:root {
  --bg: #0a0a0b;
  --bg-2: #141417;
  --bg-3: #1c1c20;
  --line: rgba(255,255,255,0.08);
  --line-2: rgba(255,255,255,0.14);
  --ink: #f3f2ef;
  --muted: #9b9892;
  --faint: #6a6862;
  --accent: #d2774a;
  --accent-soft: rgba(210,119,74,0.14);
  --display: "Fraunces", Georgia, serif;
  --body: "Hanken", "Segoe UI", system-ui, sans-serif;
  --ease: cubic-bezier(.22,1,.36,1);
  --side-w: 250px;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body.lib {
  background: var(--bg); color: var(--ink);
  font-family: var(--body); font-size: 15px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
img, svg { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* ── Topbar ── */
.topbar {
  position: sticky; top: 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  height: 56px; padding: 0 clamp(1rem, 3vw, 1.75rem);
  background: rgba(10,10,11,0.85);
  border-bottom: 1px solid var(--line);
}
.tb-brand { display: inline-flex; align-items: baseline; gap: .45rem; font-weight: 700; letter-spacing: .01em; font-size: 1.05rem; }
.tb-spark { align-self: center; width: 14px; height: 14px; border-radius: 4px; background: conic-gradient(from 200deg, var(--accent), #e0a766, var(--accent)); }
.tb-sub { color: var(--faint); font-weight: 500; font-size: .82rem; letter-spacing: .04em; }
.tb-right { display: flex; align-items: center; gap: .4rem; }
.tb-link { font-size: .88rem; color: var(--muted); padding: 7px 12px; border-radius: 8px; transition: color .18s, background-color .18s; }
.tb-link:hover { color: var(--ink); background: var(--bg-2); }
.tb-cta { font-size: .85rem; font-weight: 600; color: #0a0a0b; background: var(--ink); padding: 8px 16px; border-radius: 8px; transition: transform .18s, background-color .18s; }
.tb-cta:hover { transform: translateY(-1px); background: #fff; }
.tb-burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.tb-burger span { width: 20px; height: 2px; background: var(--ink); border-radius: 2px; }

/* ── App shell ── */
.app { display: grid; grid-template-columns: var(--side-w) 1fr; align-items: start; }

/* ── Sidebar ── */
.side {
  position: sticky; top: 56px; align-self: start;
  height: calc(100vh - 56px); overflow-y: auto;
  border-right: 1px solid var(--line);
  padding: 1rem 0.85rem 1.5rem;
  display: flex; flex-direction: column; gap: .35rem;
}
/* katlanabilir grup (native <details>) */
.sgroup { border-radius: 10px; }
.sgroup-head { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: 9px 12px; border-radius: 9px; font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); transition: color .16s, background-color .16s; }
.sgroup-head::-webkit-details-marker { display: none; }
.sgroup-head:hover { color: var(--muted); background: var(--bg-2); }
.sgroup-chev { flex: 0 0 auto; transition: transform .25s var(--ease); }
.sgroup[open] > .sgroup-head { color: var(--ink); }
.sgroup[open] > .sgroup-head .sgroup-chev { transform: rotate(180deg); }
.side-links { display: flex; flex-direction: column; gap: 2px; padding-top: 2px; }
.side-links a { padding: 8px 12px; border-radius: 9px; font-size: .88rem; color: var(--muted); transition: color .16s, background-color .16s; }
.side-links a:hover { color: var(--ink); background: var(--bg-2); }
.side-nav { display: flex; flex-direction: column; gap: 2px; padding-top: 2px; }
.snav {
  display: flex; align-items: center; gap: .6rem; width: 100%; text-align: left;
  padding: 9px 12px; border-radius: 9px; font-size: .9rem; color: var(--muted);
  transition: background-color .16s, color .16s, box-shadow .16s;
}
.snav:hover { background: var(--bg-2); color: var(--ink); }
.snav.is-on { background: var(--accent-soft); color: var(--ink); box-shadow: inset 2px 0 0 var(--accent); }
.snav .count { margin-left: auto; font-size: .72rem; color: var(--faint); font-variant-numeric: tabular-nums; }
.side-label { padding: 0 12px; margin-top: .6rem; font-size: .68rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); }
.dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; }
.d-restoran { background: #c2693a; } .d-eticaret { background: #b08a5e; } .d-saas { background: #5f86a8; }
.d-saglik { background: #6f9a7a; } .d-emlak { background: #cda35a; } .d-kisisel { background: #b15568; }
.d-etkinlik { background: #d99a4e; } .d-spa { background: #c08a76; }
.side-foot { display: flex; flex-direction: column; gap: 2px; margin-top: auto; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.side-foot a { padding: 7px 12px; border-radius: 8px; font-size: .88rem; color: var(--muted); transition: color .16s, background-color .16s; }
.side-foot a:hover { color: var(--ink); background: var(--bg-2); }

/* ── Main ── */
.main { min-width: 0; padding: clamp(1.5rem, 4vw, 3rem) clamp(1.25rem, 4vw, 3rem) 4rem; max-width: 1300px; }

/* Hero */
.hero { padding-block: clamp(1.5rem, 4vw, 3rem) clamp(2rem, 4vw, 3rem); border-bottom: 1px solid var(--line); margin-bottom: clamp(2rem, 4vw, 3rem); }
.hero-kicker { display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.1rem; }
.hero-title { font-family: var(--display); font-weight: 500; font-size: clamp(2.4rem, 6vw, 4.5rem); line-height: 1.0; letter-spacing: -0.02em; }
.hero-title em { font-style: italic; color: var(--muted); }
.hero-lede { margin-top: 1.1rem; max-width: 60ch; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.15rem); }
.search {
  display: flex; align-items: center; gap: .7rem; margin-top: 1.75rem; max-width: 540px;
  padding: 13px 16px; border-radius: 13px; background: var(--bg-2); border: 1px solid var(--line-2);
  color: var(--faint); transition: border-color .2s, box-shadow .2s;
}
.search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.search input { flex: 1; min-width: 0; background: none; border: 0; color: var(--ink); font-size: .98rem; }
.search input::placeholder { color: var(--faint); }
.search input:focus { outline: none; }
.search kbd { font-family: var(--body); font-size: .72rem; color: var(--faint); border: 1px solid var(--line-2); border-radius: 6px; padding: 2px 7px; }

/* Shelf */
.shelf { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.shelf.hide { display: none; }
.shelf-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.shelf-head h2 { font-family: var(--display); font-weight: 500; font-size: clamp(1.4rem, 2.5vw, 1.9rem); letter-spacing: -0.01em; }
.shelf-note { font-size: .82rem; color: var(--faint); }

/* Grid */
.grid { display: grid; gap: clamp(1rem, 2vw, 1.5rem); grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.grid-feat { grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid-feat { grid-template-columns: repeat(3, 1fr); } }

/* Card */
.card { display: flex; flex-direction: column; gap: .85rem; padding: .7rem; border-radius: 16px; background: var(--bg-2); border: 1px solid var(--line); transition: transform .35s var(--ease), border-color .2s, background-color .2s; }
.card:hover { transform: translateY(-4px); border-color: var(--line-2); background: var(--bg-3); }
.card.hide { display: none; }
.thumb { position: relative; aspect-ratio: 16 / 10; border-radius: 10px; overflow: hidden; }
.card-lg .thumb { aspect-ratio: 16 / 11; }
.chrome { position: absolute; inset: 0 0 auto 0; z-index: 2; height: 22px; display: flex; align-items: center; gap: 5px; padding: 0 9px; background: rgba(0,0,0,0.28); }
.chrome i { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.4); }
.chrome b { margin-left: 8px; height: 8px; width: 52%; border-radius: 999px; background: rgba(255,255,255,0.16); }
.m { position: absolute; inset: 32px 14px 14px; border-radius: 5px;
  background:
    linear-gradient(rgba(255,255,255,.92), rgba(255,255,255,.92)) 0 0/44% 9px no-repeat,
    linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,.5)) 0 18px/72% 5px no-repeat,
    linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,.5)) 0 30px/58% 5px no-repeat; }
.m-grid { background:
    linear-gradient(rgba(255,255,255,.18), rgba(255,255,255,.18)) 0 0/30% 100% no-repeat,
    linear-gradient(rgba(255,255,255,.18), rgba(255,255,255,.18)) 35% 0/30% 100% no-repeat,
    linear-gradient(rgba(255,255,255,.18), rgba(255,255,255,.18)) 70% 0/30% 100% no-repeat; }
.m-app { background:
    linear-gradient(rgba(255,255,255,.22), rgba(255,255,255,.22)) 0 0/22% 100% no-repeat,
    linear-gradient(rgba(255,255,255,.85), rgba(255,255,255,.85)) 34% 100%/13% 35% no-repeat,
    linear-gradient(rgba(255,255,255,.6), rgba(255,255,255,.6)) 52% 100%/13% 55% no-repeat,
    linear-gradient(rgba(255,255,255,.85), rgba(255,255,255,.85)) 70% 100%/13% 78% no-repeat; }
.m-poster { background:
    linear-gradient(rgba(255,255,255,.92), rgba(255,255,255,.92)) 0 12%/82% 15px no-repeat,
    linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,.5)) 0 52%/55% 15px no-repeat; }
.m-dark, .m-cinematic { background:
    linear-gradient(rgba(255,255,255,.9), rgba(255,255,255,.9)) 50% 34%/52% 11px no-repeat,
    linear-gradient(rgba(255,255,255,.4), rgba(255,255,255,.4)) 50% 62%/34% 6px no-repeat; }
.m-soft { background:
    radial-gradient(circle at 16% 38%, rgba(255,255,255,.85) 0 13px, transparent 14px),
    linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,.5)) 42% 34%/46% 6px no-repeat,
    linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,.5)) 42% 52%/30% 6px no-repeat; }

/* sektör gradient'leri */
/* Gerçek sektör fotoğrafları (demo sitelerinden) + üstte ince scrim (chrome okunsun) */
.thumb.t-restoran { background: linear-gradient(180deg, rgba(0,0,0,.22), transparent 40%), url("/taslak/sicak-restoran/assets/img/g-a.jpg") center/cover; }
.thumb.t-eticaret { background: linear-gradient(180deg, rgba(0,0,0,.22), transparent 40%), url("/taslak/moda-eticaret/assets/img/look.jpg") center/cover; }
.thumb.t-saas { background: linear-gradient(180deg, rgba(0,0,0,.22), transparent 40%), url("/taslak/kurumsal-saas/assets/img/hero.jpg") center/cover; }
.thumb.t-saglik { background: linear-gradient(180deg, rgba(0,0,0,.22), transparent 40%), url("/taslak/saglik-klinik/assets/img/d-a.jpg") center/cover; }
.thumb.t-emlak { background: linear-gradient(180deg, rgba(0,0,0,.22), transparent 40%), url("/taslak/emlak-mimari/assets/img/v-a.jpg") center/cover; }
.thumb.t-kisisel { background: linear-gradient(180deg, rgba(0,0,0,.22), transparent 40%), url("/taslak/kisisel-marka/assets/img/p-d.jpg") center/cover; }
.thumb.t-etkinlik { background: linear-gradient(180deg, rgba(0,0,0,.22), transparent 40%), url("/taslak/etkinlik-lansman/assets/img/f-1.jpg") center/cover; }
.thumb.t-spa { background: linear-gradient(180deg, rgba(0,0,0,.22), transparent 40%), url("/taslak/guzellik-spa/assets/img/hero.jpg") center/cover; }
.thumb::after { content: ""; position: absolute; inset: 0; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='90'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.13'/%3E%3C/svg%3E"); mix-blend-mode: overlay; pointer-events: none; }

.meta { display: flex; flex-direction: column; gap: .22rem; padding: 0 .35rem .35rem; }
.cat { font-size: .66rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.meta h3 { font-size: 1.05rem; font-weight: 600; color: var(--ink); }
.go { margin-top: .35rem; font-size: .82rem; color: var(--muted); transition: color .18s; width: fit-content; }
.card:hover .go { color: var(--accent); }

.empty { padding: 3rem 1rem; text-align: center; color: var(--faint); }

/* Footer */
.lib-foot { margin-top: 3rem; padding-top: 1.75rem; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; color: var(--faint); font-size: .85rem; }
.lib-foot a { color: var(--ink); border-bottom: 1px solid var(--accent); padding-bottom: 1px; }
.lib-foot a:hover { color: var(--accent); }

/* ── Reveal (saf CSS, both ile final görünür) ── */
.card { animation: lib-rise .6s var(--ease) both; }
.grid .card:nth-child(2) { animation-delay: .04s; } .grid .card:nth-child(3) { animation-delay: .08s; }
.grid .card:nth-child(4) { animation-delay: .12s; } .grid .card:nth-child(5) { animation-delay: .16s; }
.grid .card:nth-child(6) { animation-delay: .2s; } .grid .card:nth-child(7) { animation-delay: .24s; } .grid .card:nth-child(8) { animation-delay: .28s; }
@keyframes lib-rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

/* ── Responsive ── */
@media (max-width: 880px) {
  .app { grid-template-columns: 1fr; }
  .tb-burger { display: flex; }
  .tb-right { display: none; }
  .side {
    position: fixed; top: 56px; left: 0; z-index: 55; width: 280px; max-width: 84vw;
    background: var(--bg); transform: translateX(-100%); transition: transform .3s var(--ease);
  }
  body.side-open .side { transform: translateX(0); }
  .side-scrim { position: fixed; inset: 56px 0 0 0; z-index: 54; background: rgba(0,0,0,0.5); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card { animation: none; }
}