/* ═══════════════════════════════════════════════════════════
   stil.css — Kadri Doğan portfolyo · ortak tasarım sistemi
   "Sahne" — sinematik / editoryal film-geçidi dili
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg:        #0b0b0a;
  --bg-2:      #121210;
  --fg:        #F0ECE6;
  --fg-dim:    rgba(240,236,230,.55);
  --fg-faint:  rgba(240,236,230,.30);

  --yellow:    #E8D44D;
  --blue:      #6B7BFF;
  --blue-light:#8B96FF;
  --red:       #E84040;

  --muted:     #565049;
  --border:    rgba(240,236,230,0.11);
  --line:      rgba(240,236,230,0.06);

  --accent:    var(--fg);   /* genel/krom aksanı — kategori dışı sayfalar */

  --font-d: 'Bricolage Grotesque', sans-serif;  /* display */
  --font-b: 'Archivo', sans-serif;               /* body */
  --font-c: 'Space Mono', monospace;             /* technical labels */

  --gut: 2.6rem;      /* yatay sayfa boşluğu */
  --frame: 15px;      /* sabit çerçeve ofseti */
  --ease: cubic-bezier(.16,1,.3,1);

  /* nav'ın gerçek yüksekliği — ortak.js her yeniden ölçümde günceller.
     Yapışkan filtre çubuğu ve mobil vitrin bu değere dayanır. */
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth; -webkit-font-smoothing: antialiased;
  /* iOS Safari'nin metinleri kendiliğinden büyütmesini engelle */
  -webkit-text-size-adjust: 100%; text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-b);
  overflow-x: hidden;
  position: relative;
}
::selection { background: var(--accent); color: var(--bg); }

img { max-width: 100%; display: block; }
a { color: inherit; }

/* ── Sayfa giriş örtüsü ─────────────────────────────────── */
.page-veil {
  position: fixed; inset: 0; z-index: 9000;
  background: var(--bg);
  pointer-events: none;
  animation: veilOut .9s .05s var(--ease) forwards;
}
@keyframes veilOut { to { opacity: 0; visibility: hidden; } }

/* ── GRAIN + VIGNETTE ───────────────────────────────────── */
.grain, .vignette {
  position: fixed; inset: 0; pointer-events: none; z-index: 8000;
}
.grain {
  opacity: .045; mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 240px;
}
.vignette {
  box-shadow: inset 0 0 220px 60px rgba(0,0,0,.55);
  z-index: 7000;
}

/* ── SABİT ÇERÇEVE (film geçidi) ────────────────────────── */
.gate {
  position: fixed; z-index: 7500; pointer-events: none;
  inset: var(--frame);
  border: 1px solid var(--border);
}
.gate::before, .gate::after,
.gate > i::before, .gate > i::after {
  content: ''; position: absolute; width: 9px; height: 9px;
  border: 1px solid var(--fg-faint);
}
.gate::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.gate::after  { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.gate > i::before { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.gate > i::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* ── KENAR RAYLARI — kesintisiz akan şerit ─────────────── */
.rail {
  position: fixed; top: var(--frame); bottom: var(--frame); width: var(--frame);
  z-index: 120; overflow: hidden; pointer-events: none; display: flex; justify-content: center;
}
.rail.left  { left: 0;  }
.rail.right { right: 0; }
.rail-track {
  display: flex; flex-direction: column; align-items: center;
  animation: railMarq 60s linear infinite; will-change: transform;
}
.rail.left .rail-track { animation-direction: reverse; }
.rail-track span {
  writing-mode: vertical-rl; white-space: nowrap;
  font-family: var(--font-c); font-size: .54rem;
  letter-spacing: .26em; text-transform: uppercase;
  color: color-mix(in oklab, var(--accent) 42%, transparent);
}
.rail.left .rail-track span { transform: rotate(180deg); }
@keyframes railMarq { from { transform: translateY(0); } to { transform: translateY(-50%); } }

/* ── PROGRESS ÇİZGİSİ ───────────────────────────────────── */
.scroll-prog {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: var(--accent); z-index: 300;
  transition: width .1s linear;
}

/* ── NAV ────────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  padding: 1.5rem var(--gut);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  transition: background .45s, backdrop-filter .45s, border-color .45s, padding .45s;
  border-bottom: 1px solid transparent;
}
nav.scrolled {
  background: rgba(11,11,10,.78);
  backdrop-filter: blur(16px) saturate(1.2); -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom-color: var(--line);
  padding-top: 1.05rem; padding-bottom: 1.05rem;
}
.nav-logo {
  font-family: var(--font-d); font-size: 1.32rem;
  letter-spacing: .07em; text-decoration: none; color: var(--fg);
  display: inline-flex; align-items: center; gap: .55rem;
  transition: opacity .2s; justify-self: start;
}
.nav-logo:hover { opacity: .65; }
.nav-logo .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); display: inline-block;
  transition: background .4s;
}
.nav-mid {
  font-family: var(--font-c); font-size: .56rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--fg-faint); justify-self: center;
  white-space: nowrap;
}
.nav-links { display: flex; gap: 1.9rem; align-items: center; list-style: none; justify-self: end; }
.nav-link {
  font-family: var(--font-c); font-size: .68rem;
  letter-spacing: .1em; text-transform: uppercase;
  text-decoration: none; color: var(--fg);
  position: relative; padding-bottom: 3px;
  opacity: .45; transition: opacity .25s;
}
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--accent); transition: width .3s var(--ease);
}
.nav-link:hover, .nav-link.active { opacity: 1; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* ── KESİT ETİKETİ (index + başlık) ─────────────────────── */
.eyebrow {
  font-family: var(--font-c); font-size: .62rem;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); display: inline-flex; align-items: center; gap: .7rem;
}
.eyebrow .idx { color: var(--fg-faint); font-variant-numeric: tabular-nums; }

/* başlık + yatay çizgi */
.rule-label {
  display: flex; align-items: center; gap: 1.1rem;
  font-family: var(--font-c); font-size: .62rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
}
.rule-label::after { content: ''; flex: 1; height: 1px; background: var(--line); }

/* ── BUTON ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .8rem;
  padding: .7rem 1.4rem;
  font-family: var(--font-c); font-size: .68rem;
  letter-spacing: .1em; text-transform: uppercase;
  text-decoration: none; color: var(--fg);
  border: 1px solid var(--border); border-radius: 2px;
  background: transparent; cursor: pointer;
  position: relative; overflow: hidden; transition: color .35s;
}
.btn::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: var(--accent); transform: translateY(101%);
  transition: transform .4s var(--ease);
}
.btn:hover { color: var(--bg); border-color: var(--accent); }
.btn:hover::before { transform: translateY(0); }
.btn svg { width: 13px; height: 13px; fill: currentColor; }

/* ── FOOTER ─────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 3.5rem var(--gut) 2.4rem;
  display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end;
}
.foot-cta {
  font-family: var(--font-d); font-weight: 700;
  font-size: clamp(1.5rem, 3.2vw, 2.6rem); line-height: 1;
  letter-spacing: -.01em; text-decoration: none; color: var(--fg);
  display: inline-block; transition: color .3s; word-break: break-word;
}
.foot-cta:hover { color: var(--accent); }
.foot-meta { display: flex; flex-direction: column; gap: .35rem; text-align: right; }
.foot-meta span, .foot-meta a {
  font-family: var(--font-c); font-size: .66rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted); text-decoration: none;
  transition: color .25s;
}
.foot-meta a:hover { color: var(--fg); }
.foot-base {
  border-top: 1px solid var(--line); padding: 1.1rem var(--gut);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.foot-base span {
  font-family: var(--font-c); font-size: .62rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted);
}

/* ── CUSTOM CURSOR ──────────────────────────────────────── */
.cursor-dot, .cursor-ring {
  position: fixed; top: 0; left: 0; z-index: 9500; pointer-events: none;
  border-radius: 50%; mix-blend-mode: difference;
  transform: translate(-50%, -50%);
}
.cursor-dot  { width: 6px; height: 6px; background: var(--fg); }
.cursor-ring {
  width: 34px; height: 34px; border: 1px solid var(--fg-faint);
  transition: width .25s, height .25s, background .25s, border-color .25s, opacity .25s;
}
.cursor-ring.hot { width: 54px; height: 54px; border-color: var(--fg); }

/* ── SCROLL REVEAL ──────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }

/* mask reveal (kelime) — kurşungeçirmez: opacity/clip YOK, sadece küçük kayma.
   Animasyon donsa bile metin daima görünür kalır. */
.mask { display: inline-block; vertical-align: bottom; }
.mask > span { display: inline-block; }
.mask.in > span { animation: maskUp .8s var(--ease) both; }
@keyframes maskUp { from { transform: translateY(16px); } to { transform: translateY(0); } }

@keyframes fadeUp { from{opacity:0;transform:translateY(22px)} to{opacity:1;transform:translateY(0)} }

/* ── RENK YARDIMCILARI ──────────────────────────────────── */
.acc-y { --accent: var(--yellow); }
.acc-b { --accent: var(--blue); }
.acc-r { --accent: var(--red); }

/* ── MOBİL ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  :root { --gut: 1.4rem; --frame: 9px; }
  .rail, .gate > i { display: none; }
  .cursor-dot, .cursor-ring { display: none; }
  .nav-mid { display: none; }
  nav { grid-template-columns: 1fr auto; padding: 1.15rem var(--gut); gap: 1rem; }
  .nav-logo { font-size: 1.12rem; letter-spacing: .04em; gap: .45rem; }
  .nav-links { gap: 1.4rem; }
  .nav-link { font-size: .78rem; letter-spacing: .08em; padding: .4rem 0 .45rem; }
  .site-footer { grid-template-columns: 1fr; gap: 2rem; }
  .foot-meta { text-align: left; }
  .foot-cta { font-size: clamp(1.4rem, 6vw, 2.2rem); }
}

@media (max-width: 540px) {
  .nav-logo { font-size: 1.02rem; }
  .nav-logo .dot { width: 6px; height: 6px; }
  .nav-links { gap: 1.1rem; }
  .nav-link { font-size: .74rem; letter-spacing: .06em; }
}

@media (hover: none) {
  .cursor-dot, .cursor-ring { display: none !important; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .mask > span { transform: none; }
}


/* ═══════════════════════════════════════════════════════════
   AI kategorisi (yeşil), durum göstergesi ve kategori renk
   döngüsü — 2026 revizyonu
   ═══════════════════════════════════════════════════════════ */
:root { --green: #4FB477; }
.acc-g { --accent: var(--green); }

/* 4 kategori rengi arasında geçişsiz döngü */
@keyframes hueCycle {
  0%   { color: var(--red); }
  25%  { color: var(--yellow); }
  50%  { color: var(--blue); }
  75%  { color: var(--green); }
  100% { color: var(--red); }
}
.hue { animation: hueCycle 8s steps(1, end) infinite; }
/* kenar şeritleri: rengi SPAN'da döndür — kaydırma .rail-track'te kalsın */
.rail-track span { animation: hueCycle 8s steps(1, end) infinite; color: var(--red); opacity: .62; }

/* "işlere açık" göstergesi */
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .45; transform: scale(.8); }
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--green);
  display: inline-block; flex: 0 0 auto;
  animation: pulseDot 2.2s ease-in-out infinite;
}
.nav-mid {
  display: inline-flex; align-items: center; gap: .6rem;
  color: rgba(240,236,230,.55);
}
.foot-status { display: inline-flex; align-items: center; gap: .6rem; color: rgba(240,236,230,.72) !important; }
.foot-meta { align-items: flex-end; }
.foot-cta:hover { color: var(--fg); }
.foot-base { justify-content: flex-start; }

@media (max-width: 900px) {
  .foot-meta { align-items: flex-start; }
  /* Mobilde nav tek satır kalmalı: "Available for work" gizli.
     (Bu satır olmazsa nav iki satıra çıkıp vitrini ve filtreyi eziyor.
     Durum bilgisi footer'da zaten var.) */
  .nav-mid { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hue, .hue span, .status-dot { animation: none !important; }
}

.k-empty {
  padding: clamp(3rem, 9vw, 6rem) 0;
  display: flex; flex-direction: column; gap: 1rem; align-items: flex-start;
}
.k-empty h2 { font-family: var(--font-d); font-weight: 700; font-size: clamp(1.6rem, 4vw, 2.4rem); line-height: 1.05; letter-spacing: -.02em; max-width: 24ch; }
.k-empty p  { font-family: var(--font-b); font-weight: 300; font-size: 1rem; line-height: 1.6; color: var(--fg-dim); max-width: 40ch; }


/* ═══════════════════════════════════════════════════════════
   Yukarı çık düğmesi — vitrin geçildikten sonra belirir
   ═══════════════════════════════════════════════════════════ */
.to-top {
  position: fixed; z-index: 7600;
  right: calc(var(--frame) + .85rem); bottom: calc(var(--frame) + .85rem);
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-c); font-size: .95rem; line-height: 1;
  color: var(--fg-dim); cursor: pointer;
  background: rgba(11,11,10,.72);
  backdrop-filter: blur(14px) saturate(1.2); -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border: 1px solid var(--border); border-radius: 2px;
  opacity: 0; transform: translateY(10px); pointer-events: none;
  transition: opacity .35s var(--ease), transform .35s var(--ease),
              color .25s, border-color .25s;
}
.to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { color: var(--fg); border-color: var(--accent); }
.to-top:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }

@media (max-width: 900px) {
  .to-top {
    width: 46px; height: 46px;
    right: calc(var(--frame) + .6rem);
    /* iOS'ta alt tarayıcı çubuğunun üstünde kalsın */
    bottom: calc(var(--frame) + .6rem + env(safe-area-inset-bottom, 0px));
  }
}