/* ════════════════════════════════════════════════════════════════════════
   ProYA Engineering · projects.css  ·  Projeler liste + Proje-detay
   ────────────────────────────────────────────────────────────────────────
   Anasayfayla aynı tasarım sistemi: tokens + base + components + index
   yüklendikten SONRA gelir. Yalnız projeler/proje-detay'a özel .pj-*
   bölümleri burada. Nav/drawer/footer/cursor/button/link components.css
   + index.css'ten gelir, bozulmaz.

   Dil: "Tektonik Editorial" — mühendislik proje monografisi.
   Tek sinyal #0A5096, hairline ayrımlar, gölge yok, ≤6px köşe.
   ════════════════════════════════════════════════════════════════════════ */

/* Skeleton `section{display:flex}` (@layer proya-default) bölümleri flex'e
   çevirip içeriği daraltır; .pj-* bölümleri blok düzene sabitlenir. */
.pj-filter, .pj-feat, .pj-grid-sec,
.pj-spec, .pj-story, .pj-tech, .pj-quote-sec, .pj-gallery, .pj-standards,
.pj-related, .pj-cta { display: block; }

/* Ortak mono kicker (bölüm künyesi) */
.pj-kicker {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--ff-mono);
  font-size: var(--fs-hud);
  letter-spacing: var(--tracking-hud);
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 clamp(24px, 2.6vw, 36px);
}
.pj-kicker::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.pj-kicker .n { color: var(--signal); }

/* ─── 04A · Filter / sektör şeridi ─────────────────────────────────────── */
.pj-filter { padding-block: clamp(40px, 5vw, 72px) clamp(20px, 2.4vw, 32px); }
.pj-filter__row {
  display: flex; flex-wrap: wrap; gap: 10px 12px;
  border-top: var(--border-hair);
  border-bottom: var(--border-hair);
  padding-block: clamp(20px, 2.2vw, 30px);
  align-items: center;
}
.pj-filter__label {
  font-family: var(--ff-mono);
  font-size: var(--fs-hud);
  letter-spacing: var(--tracking-hud);
  text-transform: uppercase;
  color: var(--ink-3);
  margin-right: 8px;
}
.pjf-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border: var(--border-hair);
  border-radius: var(--r-chip);   /* 0px = full blueprint kare */
  font-family: var(--ff-display);
  font-size: 13px;
  letter-spacing: -0.005em;
  color: var(--ink-2);
  background: transparent;
  cursor: pointer;
  transition: border-color var(--dur-300) var(--ease),
              color var(--dur-300) var(--ease),
              background-color var(--dur-300) var(--ease);
}
.pjf-chip:hover { border-color: var(--ink); color: var(--ink); }
.pjf-chip.is-active {
  background: var(--ink); color: var(--bg); border-color: var(--ink);
}
.pjf-chip__n {
  font-family: var(--ff-mono); font-size: 11px;
  letter-spacing: 0.06em; color: var(--signal);
}
.pjf-chip.is-active .pjf-chip__n { color: oklch(0.78 0.040 250); }

/* ─── 04B · Featured / öne çıkan proje ─────────────────────────────────── */
.pj-feat { padding-block: clamp(32px, 4vw, 56px) clamp(48px, 5vw, 80px); }
.pj-feat__card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 3vw, 44px);
  border-top: var(--border-hair);
  padding-top: clamp(32px, 3.4vw, 48px);
}
@media (min-width: 900px) {
  .pj-feat__card { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(48px, 5vw, 80px); align-items: end; }
}
.pj-feat__media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  border-radius: var(--r-md);
  background: var(--bg-3);
}
.pj-feat__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--dur-900) var(--ease);
}
.pj-feat__card:hover .pj-feat__media img { transform: scale(1.03); }
.pj-feat__tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 10px;
  background: oklch(0.135 0.006 60 / 0.78);
  color: var(--ink-bone);
  border-radius: var(--r-xs);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.pj-feat__hud {
  display: flex; flex-wrap: wrap; gap: 6px 18px;
  font-family: var(--ff-mono);
  font-size: var(--fs-hud);
  letter-spacing: var(--tracking-hud);
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: clamp(14px, 1.6vw, 22px);
}
.pj-feat__hud .signal { color: var(--signal); }
.pj-feat__title {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
  text-wrap: balance;
  margin: 0 0 clamp(14px, 1.6vw, 20px);
}
.pj-feat__title .serif-i { color: var(--signal); letter-spacing: 0; }
.pj-feat__excerpt {
  font-family: var(--ff-display);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 56ch;
  margin: 0 0 clamp(20px, 2vw, 28px);
}
.pj-feat__cta {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 4px;
}
.pj-feat__cta:hover { color: var(--signal); border-color: var(--signal); }
.pj-feat__cta svg { width: 14px; height: 14px; stroke: currentColor; stroke-width: 1.6; fill: none; }

/* ─── 04C · Proje kart grid ────────────────────────────────────────────── */
.pj-grid-sec { padding-block: clamp(24px, 3vw, 40px) var(--section-y); }
.pj-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 3.2vw, 48px);
}
@media (min-width: 640px) {
  .pj-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .pj-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(32px, 3vw, 44px) clamp(28px, 2.6vw, 36px); }
}
.pjc {
  display: flex; flex-direction: column;
  gap: clamp(12px, 1.4vw, 18px);
}
.pjc__media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--r-sm);
  background: var(--bg-3);
}
.pjc__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--dur-900) var(--ease);
}
.pjc:hover .pjc__media img { transform: scale(1.04); }
.pjc__num {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-bone);
  text-shadow: 0 1px 4px oklch(0.135 0.006 60 / 0.45);
}
.pjc__hud {
  display: flex; flex-wrap: wrap; gap: 4px 14px;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.pjc__hud .signal { color: var(--signal); }
.pjc__title {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 4px 0 0;
}
.pjc__title a { color: inherit; }
.pjc__title a:hover { color: var(--signal); }
.pjc__excerpt {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.5;
  margin: 0;
}
.pjc__foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: var(--border-hair);
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--ff-mono); font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-3);
}
.pjc__foot strong { color: var(--ink); font-weight: 500; }

/* ─── DETAY · Künye spec dl ────────────────────────────────────────────── */
.pj-spec { padding-block: clamp(40px, 5vw, 76px) clamp(28px, 3.2vw, 48px); }
.pj-spec__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: var(--border-hair);
  border-left: var(--border-hair);
}
@media (min-width: 720px) {
  .pj-spec__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1100px) {
  .pj-spec__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.pj-spec__cell {
  display: flex; flex-direction: column; gap: 6px;
  padding: clamp(18px, 2vw, 28px) clamp(18px, 1.8vw, 24px);
  border-right: var(--border-hair);
  border-bottom: var(--border-hair);
}
.pj-spec__cell dt {
  font-family: var(--ff-mono);
  font-size: var(--fs-hud);
  letter-spacing: var(--tracking-hud);
  text-transform: uppercase;
  color: var(--ink-3);
}
.pj-spec__cell dd {
  margin: 0;
  font-family: var(--ff-display);
  font-size: clamp(15px, 1.1vw, 17px);
  color: var(--ink);
  line-height: 1.35;
}

/* ─── DETAY · Anlatı (problem / çözüm / sonuç) ─────────────────────────── */
.pj-story { padding-block: clamp(40px, 5vw, 88px); }
.pj-story__block + .pj-story__block { margin-top: clamp(40px, 5vw, 72px); }
.pj-story__lede {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(20px, 1.8vw, 28px);
  line-height: 1.4;
  color: var(--ink);
  text-wrap: balance;
  max-width: 56ch;
  letter-spacing: -0.01em;
  margin: 0;
}
.pj-story__lede .serif-i { color: var(--signal); }
.pj-story__body {
  max-width: 68ch;
  display: grid; gap: clamp(14px, 1.4vw, 20px);
  font-family: var(--ff-display);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: var(--lh-body);
  color: var(--ink-2);
  margin-top: clamp(20px, 2vw, 28px);
}
.pj-story__body p { margin: 0; }
.pj-story__body strong { color: var(--ink); font-weight: 600; }

/* ─── DETAY · Teknik spec kutusu ───────────────────────────────────────── */
.pj-tech { padding-block: clamp(20px, 2.4vw, 36px) clamp(40px, 5vw, 72px); }
.pj-tech__box {
  border: var(--border-hair);
  border-radius: var(--r-md);
  background: var(--bg-2);
  padding: clamp(24px, 2.6vw, 36px);
}
.pj-tech__head {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--ff-mono);
  font-size: var(--fs-hud);
  letter-spacing: var(--tracking-hud);
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: clamp(16px, 1.8vw, 24px);
}
.pj-tech__head .signal { color: var(--signal); }
.pj-tech__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}
@media (min-width: 720px) {
  .pj-tech__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.pj-tech__row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 14px;
  padding-block: 12px;
  border-top: var(--border-hair);
  align-items: baseline;
}
.pj-tech__row dt {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.pj-tech__row dd {
  margin: 0;
  font-family: var(--ff-display);
  font-size: 14.5px;
  color: var(--ink);
}

/* ─── DETAY · Pull quote ───────────────────────────────────────────────── */
.pj-quote-sec { padding-block: clamp(40px, 5vw, 80px); }
.pj-quote {
  border-top: var(--border-hair);
  border-bottom: var(--border-hair);
  padding-block: clamp(36px, 4vw, 60px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2vw, 28px);
}
@media (min-width: 800px) {
  .pj-quote { grid-template-columns: 1fr 2fr; gap: clamp(40px, 4vw, 60px); align-items: start; }
}
.pj-quote__label {
  font-family: var(--ff-mono);
  font-size: var(--fs-hud);
  letter-spacing: var(--tracking-hud);
  text-transform: uppercase;
  color: var(--ink-3);
}
.pj-quote__text {
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(22px, 2.4vw, 36px);
  line-height: 1.3;
  color: var(--ink);
  text-wrap: balance;
  margin: 0;
  letter-spacing: -0.005em;
}
.pj-quote__attr {
  margin-top: 16px;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.pj-quote__attr strong { color: var(--ink); font-weight: 500; }

/* ─── DETAY · Görsel galeri ────────────────────────────────────────────── */
.pj-gallery { padding-block: clamp(20px, 2.4vw, 36px) clamp(40px, 5vw, 72px); }
.pj-gallery__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.4vw, 32px);
}
@media (min-width: 720px) {
  .pj-gallery__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pj-gallery__item--wide { grid-column: 1 / -1; }
}
.pj-gallery__item { display: flex; flex-direction: column; gap: 10px; }
.pj-gallery__media {
  aspect-ratio: 3/2;
  overflow: hidden;
  border-radius: var(--r-sm);
  background: var(--bg-3);
}
.pj-gallery__item--wide .pj-gallery__media { aspect-ratio: 21/9; }
.pj-gallery__media img { width: 100%; height: 100%; object-fit: cover; }
.pj-gallery__cap {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.pj-gallery__cap-dot { width: 6px; height: 6px; background: var(--signal); flex: none; }
.pj-gallery__cap strong { color: var(--ink); font-weight: 500; }

/* ─── DETAY · Standartlar ──────────────────────────────────────────────── */
.pj-standards { padding-block: clamp(20px, 2.4vw, 36px) clamp(40px, 5vw, 76px); }
.pj-standards__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: var(--border-hair);
  border-left: var(--border-hair);
}
@media (min-width: 560px) { .pj-standards__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .pj-standards__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.pj-standards__cell {
  padding: clamp(16px, 1.8vw, 22px) clamp(16px, 1.6vw, 22px);
  border-right: var(--border-hair);
  border-bottom: var(--border-hair);
  display: flex; flex-direction: column; gap: 6px;
}
.pj-standards__code {
  font-family: var(--ff-mono); font-size: 12px;
  letter-spacing: 0.08em; color: var(--signal); text-transform: uppercase;
}
.pj-standards__name {
  font-family: var(--ff-display); font-size: 14.5px;
  color: var(--ink); line-height: 1.3;
}

/* ─── DETAY · İlgili projeler ──────────────────────────────────────────── */
.pj-related { padding-block: clamp(20px, 2.4vw, 36px) clamp(40px, 5vw, 72px); }
.pj-related__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.4vw, 32px);
}
@media (min-width: 700px) { .pj-related__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .pj-related__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* ─── Kapanış · dark CTA band (her iki sayfa için) ─────────────────────── */
.pj-cta {
  position: relative;
  overflow: hidden;
  background: var(--bg-deep);
  color: var(--ink-bone);
  padding-block: clamp(72px, 9vw, 132px);
}
.pj-cta__inner {
  display: grid; gap: clamp(20px, 2.4vw, 32px);
  max-width: 32ch;
}
.pj-cta__kicker {
  font-family: var(--ff-mono);
  font-size: var(--fs-hud);
  letter-spacing: var(--tracking-hud);
  text-transform: uppercase;
  color: oklch(0.78 0.010 65);
}
.pj-cta__title {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(34px, 4.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--ink-bone);
  text-wrap: balance;
  margin: 0;
}
.pj-cta__title .serif-i { color: oklch(0.96 0.020 60); letter-spacing: 0; }
.pj-cta__row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* ─── Reveal ──────────────────────────────────────────────────────────── */
.pj-reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--dur-900) var(--ease), transform var(--dur-900) var(--ease); }
.pj-reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .pj-reveal { opacity: 1; transform: none; transition: none; }
}