@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300..600;1,9..40,300..400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ═══════════════════════════════════════════
   DESIGN TOKENS
   ═══════════════════════════════════════════ */
:root {
  /* ENSTRÜMAN PALETİ
     Zemin nötr-soğuk; vurgu, bilgisayarlı görü araçlarının anotasyon rengi olan
     camgöbeği. Sınıf renkleri (--cls-*) YALNIZCA tespit kutularında ve sınıf
     rozetlerinde kullanılır — arayüzün geri kalanına sızarsa renk anlamını
     kaybeder ve sayfa dağılır. */
  --bg:            #0A0D12;
  --surface:       rgba(255,255,255,.026);
  --surface-hover: rgba(255,255,255,.048);
  --border:        rgba(255,255,255,.07);
  --border-hover:  rgba(34,211,238,.32);
  --text:          #E8EAF0;
  --text-secondary:#9AA3B4;
  --text-muted:    #7B8496;
  --text-dim:      #667085;

  --accent:        #22D3EE;
  --accent-dark:   #0FB6D1;
  --accent-light:  #67E8F9;
  --accent-pale:   #A5F3FC;
  --accent-bg:     rgba(34,211,238,.08);
  --accent-border: rgba(34,211,238,.20);
  /* Camgöbeği açık bir renk: üzerine beyaz metin okunmaz. Dolu her yüzeyde
     metin rengi bu token'dan gelir. */
  --on-accent:     #04222A;

  /* Sınıf aileleri — tespit kutuları ve sınıf rozetleri dışında kullanma. */
  --cls-sign:      #22D3EE;
  --cls-light:     #F0569E;
  --cls-park:      #A3E635;

  --font-display: 'Archivo', system-ui, sans-serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;
  --text-xs:   .75rem;
  --text-sm:   .85rem;
  --text-base: .95rem;
  --text-md:   1.05rem;

  --section-py: 130px;
  --section-px: 5%;
  --max-w:      1100px;
  --ease-out:   cubic-bezier(.16,1,.3,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);

  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
}

/* ═══════════════════════════════════════════
   RESET
   ═══════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  overflow-x: hidden;
  cursor: none !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}
* { cursor: none !important; }
::selection { background: rgba(34,211,238,.30); color: var(--text); }
::-webkit-scrollbar { width: 2px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
section { scroll-margin-top: 80px; }
strong { color: var(--text); font-weight: 500; }

/* ═══════════════════════════════════════════
   CURSOR
   ═══════════════════════════════════════════ */
#c-dot {
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  width: 6px; height: 6px; background: #fff; border-radius: 50%;
  mix-blend-mode: difference;
  will-change: transform;
}
#c-ring {
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  width: 40px; height: 40px;
  border: 1.2px solid rgba(255,255,255,.18);
  border-radius: 50%;
  will-change: transform;
  transition:
    width .35s var(--ease-spring),
    height .35s var(--ease-spring),
    border-color .3s ease,
    background .3s ease;
}
#c-ring.link {
  width: 60px; height: 60px;
  border-color: rgba(34,211,238,.65);
  background: rgba(34,211,238,.06);
}
#c-glow {
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 0;
  width: 700px; height: 700px;
  background: radial-gradient(circle at center, rgba(34,211,238,.04) 0%, transparent 60%);
  will-change: transform;
}

/* ═══════════════════════════════════════════
   BACKGROUND
   ═══════════════════════════════════════════ */
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.012) 1px, transparent 1px);
  background-size: 80px 80px;
}
.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: .32;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.78' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");
}

/* ═══════════════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════════════ */
@keyframes heroIn   { from { transform: translateY(110%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes fadeUp   { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse    { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
@keyframes scan     { from { transform: translateX(-100%); } to { transform: translateX(300%); } }
@keyframes orb1     { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(28px,-18px) scale(1.04); } }
@keyframes orb2     { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-20px,26px) scale(.97); } }
@keyframes ticker   { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes spinSlow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* ═══════════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════════ */
.rv {
  opacity: 0; transform: translateY(20px);
  transition: opacity .7s ease, transform .7s var(--ease-out);
}
.rv.on { opacity: 1; transform: none; }
.d1 { transition-delay: .06s; }  .d2 { transition-delay: .12s; }
.d3 { transition-delay: .18s; }  .d4 { transition-delay: .24s; }
.d5 { transition-delay: .30s; }  .d6 { transition-delay: .36s; }

/* ═══════════════════════════════════════════
   SECTION DIVIDER
   ═══════════════════════════════════════════ */
.s-div {
  height: 1px; margin: 0 5%;
  background: linear-gradient(90deg, transparent, rgba(34,211,238,.2) 30%, rgba(34,211,238,.2) 70%, transparent);
}

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */
.nav-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 var(--section-px);
  background: rgba(7,7,12,.72);
  backdrop-filter: blur(28px) saturate(1.6);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
  border-bottom: 1px solid rgba(255,255,255,.04);
  transition: box-shadow .4s, border-color .4s;
}
.nav-bar.scrolled {
  box-shadow: 0 1px 40px rgba(0,0,0,.5);
  border-bottom-color: rgba(255,255,255,.06);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav-logo { display: flex; align-items: center; gap: 9px; }
.nav-logo-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  animation: pulse 2.2s ease-in-out infinite;
}
.nav-logo-text {
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  letter-spacing: -.02em; color: var(--text);
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-l {
  color: var(--text-muted); font-size: var(--text-xs);
  letter-spacing: .1em; text-transform: uppercase; font-weight: 400;
  transition: color .25s; position: relative;
}
.nav-l::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--accent); transform: scaleX(0);
  transition: transform .3s var(--ease-out); transform-origin: right;
}
.nav-l:hover { color: var(--text); }
.nav-l:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta {
  background: var(--accent); color: var(--on-accent); padding: 8px 20px;
  border-radius: 100px; font-size: var(--text-xs); font-weight: 500;
  letter-spacing: .02em;
  transition: background .25s, box-shadow .25s, transform .2s;
}
.nav-cta:hover {
  background: var(--accent-dark); transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(34,211,238,.35);
}

.nav-right { display: flex; align-items: center; gap: 16px; }

/* ── CV butonu (nav) ──────────────────────────
   Varsayılan halde gizli. Sayfa kaydırılıp .scrolled devreye girdiğinde
   belirir; böylece hero'daki CV butonuyla aynı anda ekranda olmaz.        */
.nav-cv {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: var(--text-xs); font-weight: 500; letter-spacing: .02em;
  color: var(--accent-pale);
  background: var(--accent-bg);
  border: 1px solid rgba(34,211,238,.35);
  padding: 7px 15px; border-radius: 100px;
  opacity: 0; transform: translateY(-6px) scale(.96);
  pointer-events: none; visibility: hidden;
  transition: opacity .35s var(--ease-out), transform .35s var(--ease-out),
              visibility .35s, background .25s, border-color .25s;
}
.nav-bar.scrolled .nav-cv {
  opacity: 1; transform: none; pointer-events: auto; visibility: visible;
}
.nav-cv:hover { background: rgba(34,211,238,.16); border-color: rgba(34,211,238,.55); color: var(--accent-pale); }
.nav-cv-mobile { display: none; }

/* ── CV butonu (hero) ───────────────────────── */
.btn-cv { box-shadow: 0 6px 22px rgba(34,211,238,.22); }
.cv-meta {
  display: flex; align-items: center; gap: 7px;
  margin-top: 14px; font-size: var(--text-xs);
  color: var(--text-dim); letter-spacing: .04em;
}
.cv-meta svg { opacity: .6; flex-shrink: 0; }
.cv-meta-dot { opacity: .45; }

/* Language Toggle */
.lang-toggle {
  display: inline-flex; align-items: center;
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06);
  border-radius: 100px; padding: 3px; gap: 0;
  cursor: none !important;
}
.lang-opt {
  background: none; border: none;
  font-size: .68rem; letter-spacing: .08em; font-weight: 500;
  padding: 4px 10px; border-radius: 100px;
  color: var(--text-dim);
  transition: all .25s; cursor: none !important;
  font-family: var(--font-body);
}
.lang-opt.active {
  background: var(--accent); color: var(--on-accent);
}
.lang-opt:not(.active):hover { color: var(--text); }

/* Mobile hamburger */
.nav-toggle {
  display: none; background: none; border: none;
  width: 28px; height: 20px; position: relative;
  flex-direction: column; justify-content: space-between;
  cursor: none !important;
}
.nav-toggle span {
  display: block; width: 100%; height: 1.5px;
  background: var(--text); border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */
.btn-a {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: var(--on-accent); padding: 14px 28px;
  border-radius: 100px; font-size: var(--text-sm); font-weight: 500;
  font-family: var(--font-body); border: none;
  transition: all .25s; letter-spacing: .01em;
}
.btn-a:hover {
  background: var(--accent-dark); transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(34,211,238,.4);
}
.btn-b {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--text-muted); padding: 14px 28px;
  border-radius: 100px; font-size: var(--text-sm);
  border: 1px solid rgba(255,255,255,.08);
  font-family: var(--font-body);
  transition: all .25s;
}
.btn-b:hover {
  color: var(--text); border-color: rgba(255,255,255,.18);
  background: rgba(255,255,255,.03); transform: translateY(-1px);
}

/* ═══════════════════════════════════════════
   SECTION HEADER
   ═══════════════════════════════════════════ */
.section-tag { display: flex; align-items: center; gap: 10px; }
.section-tag.center { justify-content: center; }
.section-tag-line { width: 24px; height: 1px; background: var(--accent); }
.section-tag.center .section-tag-line { width: 0; }
.section-tag-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs); letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent-light); font-weight: 500;
}
.section-heading {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: -.04em; line-height: 1.05; margin-top: 14px;
  color: var(--text);
}
.section-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 48px; margin-bottom: 64px; flex-wrap: wrap;
}
.section-desc {
  max-width: 380px; color: var(--text-dim);
  font-size: var(--text-base); line-height: 1.75;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   EXPERIENCE CARDS
   ═══════════════════════════════════════════ */
.exp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  position: relative; overflow: hidden;
  transition: border-color .35s, transform .35s, box-shadow .35s;
}
.exp-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-pale));
  opacity: 0; transition: opacity .35s;
}
.exp-card:hover {
  border-color: var(--border-hover); transform: translateY(-2px);
  box-shadow: 0 20px 50px rgba(0,0,0,.4);
}
.exp-card:hover::before { opacity: 1; }
.exp-card-glow {
  position: absolute; top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(34,211,238,.05) 0%, transparent 70%);
  pointer-events: none; transition: opacity .35s; opacity: 0;
}
.exp-card:hover .exp-card-glow { opacity: 1; }
.exp-date {
  font-size: var(--text-xs); letter-spacing: .06em;
  color: var(--text-dim); text-transform: uppercase; margin-bottom: 8px;
}
.exp-location { display: flex; align-items: center; gap: 6px; font-size: var(--text-xs); color: var(--text-dim); }
.exp-company {
  font-family: var(--font-display); font-size: 1.5rem;
  font-weight: 700; letter-spacing: -.03em; margin-bottom: 4px;
}
.exp-role {
  font-size: var(--text-sm); color: var(--accent-light);
  font-weight: 500; margin-bottom: 18px; letter-spacing: .01em;
}
.exp-bullet {
  display: flex; gap: 10px; align-items: flex-start;
  margin-bottom: 8px; font-size: var(--text-sm);
  color: var(--text-secondary); line-height: 1.7;
}
.exp-tag {
  font-size: .68rem; letter-spacing: .06em; text-transform: uppercase;
  border: 1px solid rgba(255,255,255,.06); color: var(--text-dim);
  padding: 3px 10px; border-radius: 100px; white-space: nowrap;
}

/* ═══════════════════════════════════════════
   PROJECT CARDS
   ═══════════════════════════════════════════ */
/* ── Izgaralar ───────────────────────────────
   Sabit 12-kolon span yerine auto-fill: filtre sonucu kaç kart kalırsa
   kalsın satırlar boşluk bırakmadan kendini toparlar.                      */
.projects-grid { display: grid; gap: 14px; }
.projects-grid--feat { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.projects-grid--rest { grid-template-columns: repeat(auto-fill, minmax(262px, 1fr)); }

/* ── Filtre çubuğu ─────────────────────────── */
.pf-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; margin-bottom: 34px;
}
.pf-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.pf-chip {
  font-family: var(--font-body); font-size: var(--text-xs);
  letter-spacing: .06em; color: var(--text-muted);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.07);
  padding: 7px 15px; border-radius: 100px;
  transition: color .25s, background .25s, border-color .25s, transform .2s;
}
.pf-chip:hover { color: var(--text); border-color: rgba(255,255,255,.16); transform: translateY(-1px); }
.pf-chip.active {
  background: var(--accent-bg); border-color: rgba(34,211,238,.45);
  color: var(--accent-pale); font-weight: 500;
}
.pf-count {
  font-family: var(--font-mono);
  font-size: var(--text-xs); letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-dim); white-space: nowrap;
}
.pf-group + .pf-group { margin-top: 52px; }
.pf-group[hidden] { display: none; }
.pf-group-label {
  font-size: .7rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}
.pf-group-label::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,.07), transparent);
}
.pf-empty {
  text-align: center; color: var(--text-dim);
  font-size: var(--text-sm); padding: 48px 0;
}

/* ── Figür + altyazı (D disiplini) ──────────
   Öne çıkan projede görsel dekorasyon değil KANIT. Altyazı bir metrik taşır;
   metriksiz figür konmaz. `figure` boşsa kart eskisi gibi çalışır. */
.pc-figure {
  margin: 0 0 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  overflow: hidden; background: rgba(255,255,255,.02); position: relative;
}
.pc-figure img { width: 100%; height: auto; display: block; }
.pc-figure figcaption {
  font-size: var(--text-xs); color: var(--text-muted); line-height: 1.5;
  padding: 9px 12px; border-top: 1px solid var(--border);
}
.pc-figure figcaption b {
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .06em;
  color: var(--accent-light); font-weight: 500; margin-right: 6px;
}
/* Görsel gelene kadar duran yer tutucu: eksik dosya kırık ikon göstermez. */
.pc-figure--empty { border-style: dashed; }
.pc-figure--empty .ph {
  aspect-ratio: 16 / 9; display: grid; place-items: center;
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-dim);
}

/* ── Sınıf rozetleri — renk yalnızca burada bilgi taşır ── */
.cls { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .05em; padding: 2px 7px; border-radius: 2px; }
.cls--sign  { color: var(--on-accent); background: var(--cls-sign); }
.cls--light { color: #2A0716; background: var(--cls-light); }
.cls--park  { color: #16210A; background: var(--cls-park); }

/* ── Proje kartı ───────────────────────────── */
.pc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color .35s, transform .3s, box-shadow .35s;
}
/* [hidden] tek başına yetmez: .pc'nin display:flex kuralı tarayıcının
   varsayılan [hidden]{display:none} kuralını ezer. Filtre bu satıra dayanıyor. */
.pc[hidden] { display: none !important; }

.pc::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 30% -10%, rgba(34,211,238,.06), transparent 55%);
  opacity: 0; transition: opacity .35s;
}
.pc:hover {
  border-color: var(--border-hover); transform: translateY(-3px);
  box-shadow: 0 24px 56px rgba(0,0,0,.4);
}
.pc:hover::before { opacity: 1; }

/* Öne çıkan kart: daha geniş nefes alanı, üstte ince vurgu çizgisi. */
.pc--feat { padding: 30px 28px; }
.pc--feat::after {
  content: ''; position: absolute; top: 0; left: 24px; right: 24px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .55;
}

.pc-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.pc-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--accent-bg); border: 1px solid var(--accent-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-light); flex-shrink: 0; margin-bottom: 0;
}
.pc--feat .pc-icon { width: 46px; height: 46px; }

/* Durum rozeti — "[Geliştirme Aşamasında]" gibi açıklama metnine gömülmüş
   meta bilgiyi metinden çıkarıp taranabilir bir sinyale dönüştürür. */
.pc-status {
  font-family: var(--font-mono);
  font-size: .6rem; letter-spacing: .1em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 100px; white-space: nowrap;
  border: 1px solid transparent; flex-shrink: 0;
}
.pc-status--ongoing { color: #FBBF24; background: rgba(251,191,36,.08); border-color: rgba(251,191,36,.22); }
.pc-status--contest { color: var(--accent-pale); background: var(--accent-bg); border-color: rgba(34,211,238,.3); }
.pc-status--shipped { color: #4ADE80; background: rgba(74,222,128,.07); border-color: rgba(74,222,128,.2); }

.pc-title {
  font-family: var(--font-display); font-weight: 700;
  letter-spacing: -.03em; line-height: 1.25; margin-bottom: 8px;
  font-size: 1.08rem; color: var(--text);
}
.pc--feat .pc-title { font-size: 1.4rem; }

/* Metrik satırı: teknik değerlendiricinin ilk taradığı yer. */
.pc-metric {
  font-family: var(--font-mono);
  font-size: .72rem; letter-spacing: .02em;
  color: var(--accent-light); margin-bottom: 12px;
  display: flex; align-items: center; gap: 7px;
  font-variant-numeric: tabular-nums;
}
.pc-metric::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}

.pc-desc {
  font-size: var(--text-sm); color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 18px; flex-grow: 1;
}
/* Küçük kartlarda açıklama 3 satırla sınırlanır: ızgara hizası bozulmaz ve
   göz on kartı sırayla okumak zorunda kalmaz. */
.pc:not(.pc--feat) .pc-desc {
  display: -webkit-box; -webkit-box-orient: vertical;
  -webkit-line-clamp: 3; line-clamp: 3; overflow: hidden;
}

.pc-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: auto; }
.pc-tag {
  font-family: var(--font-mono);
  font-size: .62rem; letter-spacing: .06em; text-transform: uppercase;
  background: var(--accent-bg); border: 1px solid var(--accent-border);
  color: var(--accent-pale); padding: 3px 9px; border-radius: 100px;
}
.pc-tag--more { background: transparent; border-color: rgba(255,255,255,.09); color: var(--text-dim); }

.pc-links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 16px; }
.pc-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--text-xs); color: var(--accent-light);
  transition: color .2s, gap .2s; position: relative; z-index: 1;
}
.pc-link:hover { color: var(--text); gap: 8px; }
/* Kartın tamamını birincil linke tıklanabilir yapar; odak sırasında yine
   tek bir bağlantı görünür, yani klavye kullanıcısı için gürültü yaratmaz. */
.pc-link--primary::after { content: ''; position: absolute; inset: 0; z-index: 0; }
.pc:has(.pc-link--primary) { cursor: pointer; }

/* ═══════════════════════════════════════════
   SKILL PILL
   ═══════════════════════════════════════════ */
.sp {
  font-size: var(--text-sm); font-weight: 400;
  padding: 6px 14px; border-radius: 100px;
  background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.06);
  color: #c4c4d0; transition: all .25s;
  display: inline-flex; align-items: center; gap: 6px;
}
.sp:hover {
  background: rgba(34,211,238,.1); border-color: rgba(34,211,238,.3);
  color: var(--accent-pale); transform: translateY(-2px);
}

/* ═══════════════════════════════════════════
   INFO CARD
   ═══════════════════════════════════════════ */
.ic {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 16px 20px;
  display: flex; align-items: center; gap: 14px;
  transition: border-color .25s, transform .25s, background .25s;
}
.ic:hover {
  border-color: var(--border-hover); transform: translateX(4px);
  background: var(--surface-hover);
}
.ic-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--accent-bg); border: 1px solid var(--accent-border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--accent-light);
}
.ic-title { font-size: var(--text-sm); font-weight: 500; color: var(--text); margin-bottom: 1px; }
.ic-sub { font-size: var(--text-xs); color: var(--text-dim); }

/* ═══════════════════════════════════════════
   CONTACT LINKS
   ═══════════════════════════════════════════ */
.ctl {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: 100px;
  font-size: var(--text-sm); font-weight: 400; transition: all .25s;
}
.ctl.p {
  background: var(--accent); color: var(--on-accent); border: 1px solid transparent;
}
.ctl.p:hover {
  background: var(--accent-dark); transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(34,211,238,.4);
}
.ctl.o {
  background: transparent; color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,.08);
}
.ctl.o:hover {
  border-color: rgba(255,255,255,.18); color: var(--text);
  background: rgba(255,255,255,.03); transform: translateY(-2px);
}

/* ═══════════════════════════════════════════
   LANGUAGE BARS
   ═══════════════════════════════════════════ */
.lang-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 100px; width: 0;
  transition: width 1.4s var(--ease-out) .3s;
}

/* ═══════════════════════════════════════════
   CERT CARD
   ═══════════════════════════════════════════ */
.cert-c {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 16px;
  display: flex; gap: 10px; align-items: flex-start;
  transition: border-color .25s, transform .2s, background .25s;
}
.cert-c:hover {
  border-color: var(--border-hover); transform: translateX(2px);
  background: var(--surface-hover);
}
.cert-icon-wrap {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent-bg); border: 1px solid var(--accent-border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--accent-light);
}

.cert-name {
  font-size: var(--text-sm); color: var(--text); font-weight: 500;
  line-height: 1.3; display: flex; align-items: center; gap: 6px;
}
/* Doğrulama bağlantısı olan sertifika: ok ikonu yalnız hover'da belirir,
   böylece 17 kartın hepsinde ikon gürültüsü oluşmaz. */
.cert-verify { color: var(--accent-light); opacity: 0; transition: opacity .2s; flex-shrink: 0; display: inline-flex; }
.cert-c--link:hover .cert-verify,
.cert-c--link:focus-visible .cert-verify { opacity: 1; }
.cert-c--link:hover .cert-name { color: var(--accent-pale); }

/* Cert expand */
.certs-hidden { display: none; }
.certs-hidden.show { display: grid; }
.cert-toggle {
  background: none; border: 1px solid rgba(255,255,255,.06);
  color: var(--text-muted); font-size: var(--text-xs);
  padding: 8px 18px; border-radius: 100px; cursor: none !important;
  margin-top: 12px; transition: all .25s; font-family: var(--font-body);
  letter-spacing: .03em;
}
.cert-toggle:hover {
  border-color: rgba(255,255,255,.15); color: var(--text);
  background: rgba(255,255,255,.03);
}

/* ═══════════════════════════════════════════
   FOCUS AREA CARD
   ═══════════════════════════════════════════ */
.foc-c {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 18px 20px;
  display: flex; gap: 14px; align-items: center;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.foc-c:hover {
  border-color: var(--border-hover);
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  background: var(--surface-hover);
}
.foc-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--accent-bg); border: 1px solid var(--accent-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-light); flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   MARQUEE
   ═══════════════════════════════════════════ */
.marquee-wrap {
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.04);
  padding: 14px 0; position: relative; z-index: 2;
}
.marquee-track {
  display: flex; animation: ticker 40s linear infinite; width: max-content;
}
.marquee-item { display: flex; align-items: center; }
.marquee-text {
  font-size: var(--text-xs); letter-spacing: .12em;
  text-transform: uppercase; color: #3e3e5e;
  font-weight: 500; padding: 0 24px; white-space: nowrap;
}
.marquee-dot { color: var(--accent); font-size: 5px; opacity: .5; }

/* ═══════════════════════════════════════════
   CATEGORY LABEL
   ═══════════════════════════════════════════ */
.cat-label {
  font-size: .7rem; letter-spacing: .15em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  padding: 28px var(--section-px);
  border-top: 1px solid rgba(255,255,255,.04);
  position: relative; z-index: 2;
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-brand {
  font-family: var(--font-display); font-weight: 700;
  font-size: var(--text-sm); letter-spacing: -.02em;
}
.footer-copy { font-size: var(--text-xs); color: var(--text-dim); }
.footer-link {
  font-size: var(--text-xs); color: var(--text-dim);
  transition: color .2s;
}
.footer-link:hover { color: var(--text); }

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .hm { display: none !important; }
  #c-dot, #c-ring, #c-glow { display: none !important; }
  body, * { cursor: auto !important; }

  .nav-toggle { display: flex; }

  /* MOBIL MENU HATASI — backdrop-filter containing block yaratir.
     .nav-bar uzerindeki backdrop-filter, icindeki position:fixed ogeler icin
     yeni bir "containing block" olusturuyordu. Bu yuzden mobil menu viewport'a
     degil nav cubugunun 64px'lik kutusuna gore konumlaniyor, top:64px + bottom:0
     sifir yukseklige cokuyor ve linkler navin uzerine saciliyordu.
     Mobilde blur'u kaldirmak hem hatayi cozer hem de dusuk guclu cihazlarda
     her scroll karesinde alinan GPU maliyetini ortadan kaldirir. */
  .nav-bar {
    backdrop-filter: none; -webkit-backdrop-filter: none;
    background: rgba(7,7,12,.94);
  }

  .nav-links {
    position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
    background: rgba(7,7,12,.96); backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column; align-items: center; justify-content: center;
    gap: 28px; opacity: 0; pointer-events: none; transition: opacity .3s;
  }
  .nav-links.open { opacity: 1; pointer-events: auto; }
  .nav-l { font-size: var(--text-md); }

  /* Masaüstündeki kural `align-items: flex-end` veriyor; orada satır yönünde
     bu "alt kenarları hizala" demek. Mobilde yön sütuna dönünce aynı değer
     çapraz eksene, yani YATAYA geçiyor ve etiket+başlık bloğunu sağ kenara
     itiyordu: "KARİYER / Deneyim" sağda, altındaki açıklama solda kalıyordu.
     Sütun düzeninde hizayı açıkça başa çekiyoruz. */
  .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .section-desc { max-width: 100%; }
  .section-heading { font-size: clamp(2rem, 8vw, 3rem); }

  .exp-card { padding: 22px 18px; }
  .exp-grid-inner { grid-template-columns: 1fr !important; gap: 12px !important; }
  .exp-tags-col { flex-direction: row !important; flex-wrap: wrap !important; }

  .projects-grid--feat,
  .projects-grid--rest { grid-template-columns: 1fr; }
  .pf-bar { flex-direction: column; align-items: flex-start; gap: 12px; }
  /* Filtre çipleri mobilde alt alta yığılıp ekranın yarısını yemesin diye
     tek satırda yatay kaydırılır; kenardan taşma maskesi ile kırpılır. */
  .pf-chips {
    flex-wrap: nowrap; overflow-x: auto; width: 100%;
    padding-bottom: 4px; scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .pf-chips::-webkit-scrollbar { display: none; }
  .pf-chip { flex-shrink: 0; }
  .nav-cv { display: none; }
  .nav-cv-mobile {
    display: inline-flex; align-items: center; gap: 9px;
    background: var(--accent-bg); border: 1px solid rgba(34,211,238,.35);
    color: var(--accent-pale); padding: 12px 26px; border-radius: 100px;
    font-size: var(--text-sm); font-weight: 500;
  }
  .cv-meta { margin-top: 12px; }

  .skills-grid { grid-template-columns: 1fr !important; gap: 40px !important; }
  .certs-grid { grid-template-columns: 1fr !important; }

  .hero-title { font-size: clamp(2.8rem, 12vw, 5rem) !important; }
  .hero-stats { gap: 24px !important; }
  .contact-heading { font-size: clamp(2.5rem, 10vw, 4.5rem) !important; }
  .contact-links { flex-direction: column; align-items: center; }

  .about-grid { grid-template-columns: 1fr !important; gap: 36px !important; }
  .footer-inner { flex-direction: column; text-align: center; gap: 12px; }
}

@media (max-width: 480px) {
  :root { --section-py: 80px; }
  .exp-card { padding: 18px 14px; }
  .hero-stats { gap: 20px !important; }
  .hero-stat-number { font-size: 2rem !important; }
  .pc, .pc--feat { padding: 22px 18px; }
  .pc--feat .pc-title { font-size: 1.22rem; }
}

/* ═══════════════════════════════════════════
   ERİŞİLEBİLİRLİK
   ═══════════════════════════════════════════ */

/* Klavye odağı. `cursor: none` ile birlikte odak halkası olmaması,
   klavyeyle gezen bir kullanıcının sayfada nerede olduğunu tamamen
   kaybetmesi demekti. :focus-visible yalnızca klavye ile tetiklenir,
   fare tıklamasında görünmez. */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 3px;
  border-radius: 8px;
}

/* Ekran okuyucular için "içeriğe atla" bağlantısı. */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: var(--on-accent);
  padding: 12px 22px; border-radius: 0 0 var(--radius-sm) 0;
  font-size: var(--text-sm);
}
.skip-link:focus { left: 0; }

/* Mobil menü açıkken arka planın kaymasını engelle. */
body.menu-open { overflow: hidden; }

/* Dokunmatik ve kalem girdilerinde özel imleç mantıksız — `cursor: none`
   bu cihazlarda yalnızca risk üretir (JS yüklenmezse imleç hiç dönmez).
   Yalnızca gerçek hover destekli fare girdilerinde uygulanır. */
@media (hover: none), (pointer: coarse) {
  body, * { cursor: auto !important; }
  #c-dot, #c-ring, #c-glow { display: none !important; }
}

/* Kullanıcı sistem düzeyinde hareket azaltma istediyse tüm animasyonları
   durdur. Vestibüler rahatsızlığı olan ziyaretçiler için bu bir tercih
   değil, erişim koşuludur; ayrıca marquee/orb animasyonları düşük güçlü
   cihazlarda pili boşaltır. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .rv { opacity: 1 !important; transform: none !important; }
  .marquee-track { animation: none !important; }
  #c-dot, #c-ring, #c-glow { display: none !important; }
  body, * { cursor: auto !important; }
}

/* ═══════════════════════════════════════════
   PROJE DETAY SAYFASI
   ═══════════════════════════════════════════ */
.pp { padding: 132px var(--section-px) 90px; position: relative; z-index: 2; }
.pp-wrap { max-width: var(--max-w); margin: 0 auto; }

.pp-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 38px; transition: color .2s, gap .2s;
}
.pp-back svg { transform: rotate(180deg); }
.pp-back:hover { color: var(--accent-light); gap: 10px; }

.pp-eyebrow { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.pp-eyebrow > span:first-child {
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent-light);
}
.pp-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.2rem, 5.2vw, 3.6rem);
  letter-spacing: -.038em; line-height: 1.04; color: var(--text);
}
.pp-metric {
  font-family: var(--font-mono); font-size: .82rem; letter-spacing: .02em;
  color: var(--accent-light); margin-top: 16px;
  display: inline-flex; align-items: center; gap: 9px;
  font-variant-numeric: tabular-nums;
  border: 1px solid var(--accent-border); background: var(--accent-bg);
  padding: 7px 14px; border-radius: 3px;
}
.pp-head { padding-bottom: 34px; border-bottom: 1px solid var(--border); margin-bottom: 40px; }

/* Sayfa başı görseli — projenin ne olduğunu tek karede söyler. */
/* Orana bağımsız: kırpmayı görselin kendisi taşır, CSS yeniden kırpmaz.
   Yükseklik sınırı kare/dikey bir görselin sayfayı ele geçirmesini engeller,
   yatay görsel ise tam genişliğe kadar açılır. */
.pp-lead {
  margin: 0 auto 44px; border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  background: rgba(255,255,255,.02);
  display: flex; justify-content: center; width: fit-content; max-width: 100%;
}
.pp-lead img { display: block; max-height: 660px; max-width: 100%; width: auto; height: auto; }

.pp-body { display: grid; grid-template-columns: minmax(0,1fr) 290px; gap: 52px; align-items: start; }
.pp-lede { font-size: var(--text-md); color: var(--text-secondary); line-height: 1.85; }
.pp-h {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 700;
  letter-spacing: -.026em; color: var(--text); margin: 42px 0 14px;
}
.pp-p { font-size: var(--text-base); color: var(--text-secondary); line-height: 1.8; margin-top: 14px; }
.pp-ul { margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.pp-ul li {
  font-size: var(--text-base); color: var(--text-secondary); line-height: 1.7;
  padding-left: 20px; position: relative;
}
.pp-ul li::before {
  content: ''; position: absolute; left: 0; top: .68em;
  width: 7px; height: 1px; background: var(--accent); opacity: .8;
}
.pp-main .pc-figure { margin-top: 24px; }
/* Dikey ekran görüntüleri sayfayı ele geçirmesin: görsel en fazla 560 px
   yükseklikte, ortalanmış; art arda görseller yan yana bir galeride. */
.pp-main .pc-figure img { width: auto; max-width: 100%; max-height: 560px; margin: 0 auto; }
.pp-figs { display: grid; gap: 14px; margin-top: 24px; align-items: start; }
.pp-figs--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pp-figs--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pp-figs .pc-figure { margin: 0; }
.pp-figs .pc-figure img { max-height: 460px; }
@media (max-width: 640px) {
  .pp-figs--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pp-figs .pc-figure img { max-height: 360px; }
}

.pp-side { display: flex; flex-direction: column; gap: 14px; position: sticky; top: 92px; }
.pp-panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 18px 20px;
}
.pp-panel h4 {
  font-family: var(--font-mono); font-size: .66rem; font-weight: 500;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--text-dim); margin: 0 0 12px;
}
.pp-links { display: flex; flex-direction: column; gap: 10px; }
.pp-missing { color: var(--text-dim); font-size: var(--text-md); margin-bottom: 24px; }

/* ── Karttan detaya geçiş ── */
.pc-titlelink { color: inherit; }
/* Tüm kartı tıklanabilir yapar ama odak sırasında tek bağlantı görünür. */
.pc-titlelink::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.pc:hover .pc-titlelink { color: var(--accent-pale); }
.pc-cta { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-top: 16px; }
.pc-more {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .06em;
  color: var(--accent-light); display: inline-flex; align-items: center; gap: 6px;
  transition: gap .2s;
}
.pc:hover .pc-more { gap: 10px; }
/* Dış bağlantılar kartın üstünde kalmalı, yoksa ::after onları yutar. */
.pc-links { position: relative; z-index: 2; margin-top: 0; }

@media (max-width: 860px) {
  .pp-body { grid-template-columns: 1fr; gap: 34px; }
  .pp-side { position: static; }
}
@media (max-width: 480px) { .pp { padding-top: 108px; } }

/* ═══════════════════════════════════════════
   YETENEKLER — yeniden düzenlenmiş
   Eskiden üç kategori ve 18 sertifika 536px'lik tek kolona sıkışıyordu.
   Sertifikalar kendi sayfasına taşındı; kategoriler tam genişliğe yayıldı.
   ═══════════════════════════════════════════ */
.skill-cats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px 44px; margin-bottom: 56px;
}
.skill-pills { display: flex; flex-wrap: wrap; gap: 7px; }

.skills-lower {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 44px; padding-top: 44px; border-top: 1px solid var(--border);
}
.lang-list  { display: flex; flex-direction: column; gap: 16px; }
.lang-row   { display: flex; flex-direction: column; gap: 7px; }
.lang-head  { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.lang-name  { font-size: var(--text-sm); color: var(--text); }
.lang-level {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em;
  color: var(--text-dim); text-transform: uppercase;
}
.lang-track {
  height: 3px; border-radius: 100px; overflow: hidden;
  background: rgba(255,255,255,.06);
}
.focus-list { display: flex; flex-direction: column; gap: 9px; }

/* ── Sertifika şeridi (ana sayfa) ── */
.cert-strip { margin-top: 52px; padding-top: 40px; border-top: 1px solid var(--border); }
.cert-strip-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 16px;
}
.cert-strip-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .05em;
  color: var(--accent-light); transition: gap .2s, color .2s;
}
.cert-strip-link:hover { gap: 11px; color: var(--accent-pale); }
.cert-strip-items {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 8px;
}

/* ═══════════════════════════════════════════
   SERTİFİKALAR SAYFASI
   ═══════════════════════════════════════════ */
.cert-groups { display: flex; flex-direction: column; gap: 40px; }
.cert-group-title {
  font-family: var(--font-display); font-size: 1.12rem; font-weight: 700;
  letter-spacing: -.02em; color: var(--text);
  display: flex; align-items: center; gap: 11px; margin: 0 0 14px;
  padding-bottom: 11px; border-bottom: 1px solid var(--border);
}
.cert-group-count {
  font-family: var(--font-mono); font-size: .66rem; font-weight: 500;
  color: var(--accent-light); background: var(--accent-bg);
  border: 1px solid var(--accent-border); border-radius: 100px; padding: 2px 9px;
}
.cert-group-items { display: flex; flex-direction: column; gap: 6px; }

.cert-row {
  display: grid; grid-template-columns: 34px 1fr auto; gap: 13px; align-items: center;
  padding: 13px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); transition: border-color .25s, background .25s, transform .2s;
}
.cert-row-icon {
  width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center;
  background: var(--accent-bg); border: 1px solid var(--accent-border); color: var(--accent-light);
}
.cert-row-name { font-size: var(--text-sm); color: var(--text); line-height: 1.4; }
.cert-row-verify {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: .64rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent-light);
  opacity: 0; transition: opacity .2s; white-space: nowrap;
}
.cert-row--link:hover,
.cert-row--link:focus-visible {
  border-color: var(--border-hover); background: var(--surface-hover); transform: translateX(3px);
}
.cert-row--link:hover .cert-row-verify,
.cert-row--link:focus-visible .cert-row-verify { opacity: 1; }

.cert-note {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--rule, var(--border));
  font-size: var(--text-xs); color: var(--text-dim); line-height: 1.7; max-width: 62ch;
}

@media (max-width: 640px) {
  .cert-row { grid-template-columns: 30px 1fr; }
  /* Dokunmatikte hover yok: doğrulama etiketi kalıcı görünsün. */
  .cert-row-verify { grid-column: 2; opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════════════
   SAYFALAR ARASI GEÇİŞ (View Transitions, aynı köken)
   Ana sayfada bir projeye tıklanınca halkadaki ikon ve proje adı, proje
   sayfasının başlığındaki karşılıklarına "uçar". İsimler (ikon-<id>,
   ad-<id>) tıklama anında showcase.js'te veriliyor. Desteklemeyen
   tarayıcıda (Firefox) normal sayfa geçişi olur — hiçbir şey bozulmaz.
   ═══════════════════════════════════════════════════════════════════ */
@view-transition { navigation: auto; }
::view-transition-group(*) { animation-duration: .6s; animation-timing-function: cubic-bezier(.2, .8, .2, 1); }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .35s; }
@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
}

/* ═══════════════════════════════════════════════════════════════════
   PROJE SAYFASI — vitrindeki projelerin sahne başlığı
   Renk değişkenleri (--accent, --isik) project-page.js → temaUygula
   tarafından projenin halkadaki renginden veriliyor.
   ═══════════════════════════════════════════════════════════════════ */
@property --isik { syntax: '<color>'; inherits: true; initial-value: #0E7490; }
/* Işık ve hayalet başlık kenarlardan taşar; taşma sayfayı yatay kaydırmasın
   (mobil Safari body'deki overflow-x'i her zaman dinlemiyor). */
main.pp { overflow-x: clip; }
.pp-sahne {
  position: relative; margin: 8px 0 44px; padding: 52px 0 40px;
  border-bottom: 1px solid var(--border);
}
.pp-isik {
  position: absolute; inset: -160px -30vw -40px; pointer-events: none; z-index: -1;
  background: radial-gradient(38% 60% at 22% 42%, color-mix(in oklab, var(--isik) 60%, transparent), transparent 72%);
}
.pp-hayalet {
  position: absolute; right: -2vw; bottom: -.18em; z-index: -1; pointer-events: none;
  font-size: clamp(6rem, 17vw, 15rem); line-height: 1; letter-spacing: -.03em; white-space: nowrap;
  color: transparent !important; opacity: .5;
  -webkit-text-stroke: 1px color-mix(in oklab, var(--accent) 34%, transparent);
}
.pp-sahne-ic { display: grid; grid-template-columns: auto 1fr; gap: 34px; align-items: center; }
.pp-ikon {
  width: clamp(96px, 11vw, 148px); aspect-ratio: 1; border-radius: 23%;
  background-size: cover; background-position: center; background-color: #0d1016;
  box-shadow: 0 24px 60px -18px color-mix(in oklab, var(--accent) 55%, transparent),
              inset 0 1px 0 rgba(255,255,255,.22), inset 0 0 0 1px rgba(255,255,255,.06);
}
.pp-title--marka { font-size: clamp(2.8rem, 6.5vw, 5.4rem); line-height: .95; letter-spacing: -.02em; margin: 10px 0 0; }
.pp-altbaslik {
  margin-top: 10px; font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.05rem, 1.8vw, 1.4rem); color: var(--text-secondary); letter-spacing: -.01em;
}
.pp-sahne .pp-metric { margin-top: 16px; }
@media (max-width: 640px) {
  .pp-sahne { padding-top: 28px; }
  .pp-sahne-ic { grid-template-columns: 1fr; gap: 20px; }
  .pp-ikon { width: 84px; }
}

/* Arkada ana sayfadaki motif: projenin işini çizen soluk SVG, sağda */
.pp-motif { position: absolute; inset: -40px -8vw -20px 30%; z-index: -1; pointer-events: none; color: var(--accent); opacity: .16;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 35%); mask-image: linear-gradient(90deg, transparent, #000 35%); }
.pp-motif svg { width: 100%; height: 100%; }

/* Öne çıkan rakamlar — halkadaki sahneyle aynı dil */
.pp-rakamlar { display: flex; flex-wrap: wrap; gap: 0; margin: 34px 0 0; padding-top: 22px; border-top: 1px solid var(--border); }
.pp-rakamlar > div { padding: 0 28px; border-left: 1px solid var(--border); }
.pp-rakamlar > div:first-child { padding-left: 0; border-left: 0; }
.pp-rakamlar dd { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: clamp(1.5rem, 2.6vw, 2.1rem); letter-spacing: -.03em; color: var(--text); line-height: 1.1; }
.pp-rakamlar dt { margin-top: 4px; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .04em; color: var(--text-muted); }
.pp-rakamlar .pp-platform dd { font-family: var(--font-mono); font-size: .8rem; font-weight: 500; letter-spacing: .04em; color: var(--accent-light); padding-top: .7em; }
.pp-rozet { color: var(--accent) !important; }

/* Bölüm başlıkları numaralı: okuyan nerede olduğunu bilsin */
.pp-main { counter-reset: bolum; }
.pp-main .pp-h { display: flex; align-items: baseline; gap: 14px; padding-top: 22px; border-top: 1px solid var(--border); }
.pp-main .pp-h::before {
  counter-increment: bolum; content: counter(bolum, decimal-leading-zero);
  font-family: var(--font-mono); font-size: .72rem; font-weight: 500; letter-spacing: .06em; color: var(--accent);
}
.pp-main a:not([class]) { color: var(--accent-light); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--accent-border); }
.pp-main a:not([class]):hover { text-decoration-color: currentColor; }

/* Önceki / sonraki proje */
.pp-komsular { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 72px; padding-top: 28px; border-top: 1px solid var(--border); }
.pp-komsu {
  display: flex; align-items: center; gap: 16px; padding: 18px 20px; border-radius: var(--radius-md); text-decoration: none;
  background: var(--surface); border: 1px solid var(--border); transition: border-color .2s, transform .2s, background .2s;
}
.pp-komsu--sonraki { flex-direction: row-reverse; text-align: right; }
.pp-komsu:hover, .pp-komsu:focus-visible {
  border-color: color-mix(in oklab, var(--c) 45%, transparent); transform: translateY(-2px);
  background: color-mix(in oklab, var(--c) 7%, var(--surface));
}
.pp-komsu-ikon { flex: none; width: 56px; height: 56px; border-radius: 23%; background-size: cover; background-position: center;
  box-shadow: 0 12px 28px -12px color-mix(in oklab, var(--c) 70%, transparent); }
.pp-komsu-metin { display: flex; flex-direction: column; min-width: 0; }
.pp-komsu-ust { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .06em; color: var(--text-dim); text-transform: uppercase; }
.pp-komsu-ad { font-size: 1.45rem; line-height: 1.15; letter-spacing: -.01em; margin-top: 4px; }
.pp-komsu-rol { font-size: var(--text-xs); color: var(--text-muted); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 640px) {
  .pp-rakamlar { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 16px; }
  .pp-rakamlar > div { padding: 0 12px; }
  .pp-rakamlar > div:nth-child(3n+1) { padding-left: 0; border-left: 0; }
  .pp-rakamlar dd { font-size: 1.35rem; }
  .pp-rakamlar .pp-platform { grid-column: 1 / -1; padding: 0; border-left: 0; }
  .pp-komsular { grid-template-columns: 1fr; }
  .pp-komsu--sonraki { flex-direction: row; text-align: left; }
  .pp-motif { inset: -20px -20vw 0 10%; opacity: .1; }
}

/* Alt bilgideki sürüm numarası — GitHub'daki sürüm notlarına bağlanır */
.footer-surum {
  font-family: var(--font-mono); font-size: .66rem; color: var(--text-dim); text-decoration: none;
  padding: 2px 7px; border: 1px solid var(--border); border-radius: 999px; transition: color .2s, border-color .2s;
}
.footer-surum:hover { color: var(--accent); border-color: var(--accent-border); }