/* ==========================================================================
   UTKU TÜRER — Portfolyo
   Görsel dünya: "Kâğıt & Mürekkep" + logodan türetilen kromatik katmanlar
   Fontlar: Instrument Serif / Inter Tight / JetBrains Mono
   ========================================================================== */

:root {
  --paper: #f2efe9;
  --paper-2: #e8e4dc;
  --paper-wash: rgba(17, 17, 17, 0.035); /* Çok hafif, sıcak açık gri tül (desen arkasından görünür) */
  --paper-wash-subtle: rgba(17, 17, 17, 0.02);
  --paper-wash-strong: rgba(17, 17, 17, 0.05); /* İletişim bölümü için tül */
  --ink: #111111;
  --ink-2: #55524c;
  --ink-3: #8c877f;
  --line: rgba(17, 17, 17, 0.14);
  --line-strong: rgba(17, 17, 17, 0.24);
  --green: #29b473;
  --cyan: #0097bf;

  --serif: 'Instrument Serif', 'Times New Roman', serif;
  --sans: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --pad: clamp(20px, 5vw, 72px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--ink); color: var(--paper); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* Arkaplan Deseni (UTKU_TURER_arkaplan.svg — %7 Opaklık) */
.bg-pattern {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("../UTKU_TURER_arkaplan.svg");
  background-repeat: repeat;
  background-size: 108.5px 108.5px;
  opacity: 0.07;
}

/* Film greni */
.grain {
  position: fixed; inset: 0; z-index: 200; pointer-events: none;
  opacity: 0.07; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Ortak tipografi */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.serif { font-family: var(--serif); font-weight: 400; }
.serif-i { font-family: var(--serif); font-style: italic; font-weight: 400; }

/* ==========================================================================
   ÜST BAR (yalnızca logo + menü)
   ========================================================================== */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px var(--pad);
  pointer-events: none;
}
.topbar > * { pointer-events: auto; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand svg { width: 40px; height: auto; transition: transform 0.5s var(--ease); }
.brand:hover svg { transform: translate(-2px, -2px); }
.brand-name { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; }

.menu-btn {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 10px 16px; border: 1px solid var(--ink); border-radius: 40px;
  background: var(--paper);
  transition: background 0.3s, color 0.3s;
}
.menu-btn:hover, .menu-btn[aria-expanded="true"] { background: var(--ink); color: var(--paper); }
.menu-lines { display: grid; gap: 4px; }
.menu-lines i { display: block; width: 16px; height: 1.5px; background: currentColor; transition: transform 0.4s var(--ease); }
.menu-btn[aria-expanded="true"] .menu-lines i:first-child { transform: translateY(2.75px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-lines i:last-child { transform: translateY(-2.75px) rotate(-45deg); }

/* Menü katmanı */
.nav-overlay {
  position: fixed; inset: 0; z-index: 90;
  background: var(--paper);
  display: flex; flex-direction: column; justify-content: center;
  padding: 120px var(--pad) 60px;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.8s var(--ease);
  visibility: hidden;
}
.nav-overlay.open { clip-path: inset(0 0 0 0); visibility: visible; }
.nav-list { list-style: none; }
.nav-list a {
  display: flex; align-items: baseline; gap: 24px;
  font-family: var(--serif); font-size: clamp(2.6rem, 8vw, 6.5rem); line-height: 1.05;
  border-bottom: 1px solid var(--line);
  padding: 6px 0;
  transition: padding 0.5s var(--ease), color 0.3s;
}
.nav-list a span { font-family: var(--mono); font-size: 12px; color: var(--ink-3); letter-spacing: 0.1em; }
.nav-list a:hover { padding-left: 24px; font-style: italic; }
.nav-foot { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; margin-top: 40px; }

/* ==========================================================================
   GİRİŞ
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  padding: 85px var(--pad) 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  overflow: hidden;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px 28px;
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

/* Ortalanmış Sahne (Logo + Başlık + Manifesto) */
.hero-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin: auto 0;
  width: 100%;
  max-width: 960px;
  position: relative;
  z-index: 2;
  padding: 8px 0;
}

/* Logo kompozisyonu: dekonstrüksiyon — Büyütülmüş Merkez Odak */
.logo-comp {
  position: relative;
  width: clamp(260px, 28vw, 420px);
  aspect-ratio: 162.7 / 118.6;
  margin: 0 auto 26px;
  z-index: 1;
}
.logo-comp > div { position: absolute; will-change: transform; }
.lc-green { left: 0; top: 0; width: 66.7%; height: 76.6%; background: linear-gradient(to top, var(--green), rgba(41,180,115,0)); }
.lc-cyan  { left: 33.3%; top: 23.4%; width: 66.7%; height: 76.6%; background: linear-gradient(to bottom, var(--cyan), rgba(0,151,191,0)); mix-blend-mode: multiply; }
.lc-bar1  { left: 0; top: 76.6%; width: 66.7%; height: 23.4%; background: var(--ink); }
.lc-bar2  { left: 33.3%; top: 0; width: 66.7%; height: 23.4%; background: var(--ink); }

.lc-green, .lc-bar1 { animation: drift-a 16s ease-in-out infinite alternate; }
.lc-cyan, .lc-bar2  { animation: drift-b 19s ease-in-out infinite alternate; }
@keyframes drift-a { to { translate: -12px 8px; } }
@keyframes drift-b { to { translate: 12px -8px; } }

/* Kaydırınca katmanlar ayrışır */
@supports (animation-timeline: scroll()) {
  .lc-green, .lc-bar1 {
    animation: drift-a 16s ease-in-out infinite alternate, split-a linear both;
    animation-timeline: auto, scroll(root);
    animation-range: normal, 0 90vh;
  }
  .lc-cyan, .lc-bar2 {
    animation: drift-b 19s ease-in-out infinite alternate, split-b linear both;
    animation-timeline: auto, scroll(root);
    animation-range: normal, 0 90vh;
  }
  @keyframes split-a { to { transform: translate(-14%, 18%); opacity: 0.35; } }
  @keyframes split-b { to { transform: translate(14%, -18%); opacity: 0.35; } }
}

.hero-title {
  position: relative;
  z-index: 3;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.2rem, 7.8vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  text-align: center;
  color: var(--ink);
  margin: 0;
}
.hero-title em { font-style: italic; }

.hero-intro {
  position: relative;
  z-index: 2;
  max-width: 660px;
  margin: 20px auto 0;
  text-align: center;
  font-size: clamp(1.05rem, 1.45vw, 1.3rem);
  line-height: 1.5;
  color: var(--ink-2);
}
.hero-intro em { font-family: var(--serif); font-size: 1.25em; color: var(--ink); font-style: italic; }

.hero-bottom {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 16px;
  width: 100%;
}
.scroll-cue { display: inline-flex; align-items: center; gap: 10px; }
.scroll-cue i { display: block; width: 1px; height: 28px; background: var(--ink); animation: cue 2.2s var(--ease) infinite; transform-origin: top; }
@keyframes cue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ==========================================================================
   MARKA BANDI
   ========================================================================== */
.band {
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
  padding: 18px 0;
  background: var(--paper-wash-subtle);
  position: relative; z-index: 2;
}
.band-track { display: flex; width: max-content; animation: band 90s linear infinite; }
.band:hover .band-track { animation-play-state: paused; }
.band-item {
  font-family: var(--serif); font-size: clamp(1.8rem, 3.6vw, 3rem); line-height: 1;
  white-space: nowrap; padding-right: 0.6em;
  display: inline-flex; align-items: center; gap: 0.6em;
}
.band-item:nth-child(even) { font-style: italic; color: var(--ink-2); }
.band-item::after { content: ''; width: 0.42em; height: 0.3em; background: linear-gradient(135deg, var(--green) 50%, var(--cyan) 50%); }
@keyframes band { to { transform: translateX(-50%); } }

/* ==========================================================================
   BÖLÜM BAŞLIKLARI & EDİTORYAL TON AYRIMLARI
   ========================================================================== */
.section {
  padding: clamp(80px, 11vw, 150px) var(--pad);
  position: relative;
}

/* Yarı saydam açık gri tül zemin (arkadaki SVG desen %7 olarak süzülür) */
.section-tint {
  background: var(--paper-wash);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  position: relative;
  z-index: 2;
  display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 24px;
  margin-bottom: clamp(32px, 5vw, 64px);
}
.section-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(3rem, 8vw, 7.5rem); line-height: 0.92; letter-spacing: -0.02em;
}
.section-title em { font-style: italic; }
.section-note { max-width: 360px; color: var(--ink-2); font-size: 15px; }

/* Devasa Editoryal Bölüm Numaraları (Watermark) */
.section-num-watermark {
  position: absolute;
  right: var(--pad);
  top: 18px;
  font-family: var(--serif);
  font-size: clamp(5.5rem, 15vw, 12rem);
  line-height: 0.75;
  font-style: italic;
  font-weight: 400;
  color: var(--ink);
  opacity: 0.055;
  pointer-events: none;
  user-select: none;
  z-index: 1;
  letter-spacing: -0.04em;
}

/* Logo motifli ayraç: kaydırılmış çift çizgi */
.rule { position: relative; height: 8px; margin-bottom: 20px; }
.rule::before, .rule::after { content: ''; position: absolute; left: 0; right: 0; height: 1px; }
.rule::before { top: 0; background: var(--green); right: 6px; }
.rule::after  { top: 6px; background: var(--cyan); left: 6px; }

/* ==========================================================================
   AJANSLAR (yatay şerit)
   ========================================================================== */
.agency-rail {
  overflow-x: auto; scrollbar-width: none;
  margin: 0 calc(var(--pad) * -1);
  padding: 0 var(--pad) 8px;
  cursor: grab;
  scroll-snap-type: x proximity;
}
.agency-rail::-webkit-scrollbar { display: none; }
.agency-rail.dragging { cursor: grabbing; scroll-snap-type: none; }
.agency-track { display: flex; width: max-content; border-left: 1px solid var(--line); }

.agency {
  position: relative;
  width: clamp(280px, 26vw, 360px);
  min-height: 380px;
  padding: 24px 24px 28px;
  border-right: 1px solid var(--line);
  border-top: 1px solid var(--ink);
  display: flex; flex-direction: column;
  scroll-snap-align: start;
  user-select: none;
  transition: background 0.5s var(--ease);
}
.agency:hover { background: var(--paper-2); }
.agency-top { display: flex; justify-content: space-between; }
.agency-name {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.2rem, 3vw, 2.8rem); line-height: 1; margin-top: 64px;
  transition: transform 0.6s var(--ease);
}
.agency:hover .agency-name { transform: translateY(-10px); font-style: italic; }
.agency-role { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; margin-top: 12px; color: var(--ink-2); }
.agency-brands {
  list-style: none; margin-top: auto; padding-top: 28px;
  display: flex; flex-wrap: wrap; gap: 4px 14px;
  font-size: 13px; letter-spacing: 0.04em;
}
/* Hover ile marka listesi açılır (dokunmatik cihazlarda her zaman görünür) */
@media (hover: hover) {
  .agency-brands li { opacity: 0; transform: translateY(8px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
  .agency:hover .agency-brands li, .agency:focus-within .agency-brands li { opacity: 1; transform: none; }
  .agency-brands li:nth-child(2) { transition-delay: 0.04s; }
  .agency-brands li:nth-child(3) { transition-delay: 0.08s; }
  .agency-brands li:nth-child(4) { transition-delay: 0.12s; }
  .agency-brands li:nth-child(5) { transition-delay: 0.16s; }
  .agency-brands li:nth-child(n+6) { transition-delay: 0.2s; }
  .agency-hint { transition: opacity 0.3s; }
  .agency:hover .agency-hint { opacity: 0; }
}
@media (hover: none) { .agency-hint { display: none; } }
.agency-hint { position: absolute; left: 24px; bottom: 28px; color: var(--ink-3); }

.rail-ctrl { display: flex; gap: 8px; }
.circle-btn {
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--ink);
  display: grid; place-items: center;
  transition: background 0.3s, color 0.3s;
}
.circle-btn:hover { background: var(--ink); color: var(--paper); }

/* ==========================================================================
   PROJELER
   ========================================================================== */
.work-bar {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px;
  border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line);
  padding: 12px 0; margin-bottom: 28px;
}
.chip-group { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 8px 14px; border-radius: 40px; border: 1px solid var(--line);
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip sup { font-size: 10px; margin-left: 2px; opacity: 0.6; }
.view-group .chip[aria-pressed="true"] { background: var(--green); border-color: var(--green); color: #fff; }

.view { display: none; }
.view.active { display: block; }

/* İş kartı (ortak) */
.tile {
  position: relative; display: block; width: 100%;
  aspect-ratio: 4 / 3; overflow: visible;
  background: var(--paper-2);
  text-align: left;
  cursor: pointer;
}
.tile-img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease), filter 0.6s; }
.tile-clip { position: absolute; inset: 0; overflow: hidden; }
.tile:hover .tile-img { transform: scale(1.04); }
.tile-info {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 14px;
  color: #fff;
  background: linear-gradient(to top, rgba(10,10,10,0.82), rgba(10,10,10,0));
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}
.tile:hover .tile-info, .tile:focus-visible .tile-info { opacity: 1; transform: none; }
.tile-client { font-family: var(--serif); font-size: 1.5rem; line-height: 1.05; }
.tile-role { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.85; margin-top: 4px; }

/* Logo motifi: hover'da kaydırılmış çift çerçeve */
.tile::before, .tile::after {
  content: ''; position: absolute; inset: 0; border: 2px solid; z-index: 2;
  opacity: 0; pointer-events: none;
  transition: opacity 0.4s, transform 0.5s var(--ease);
}
.tile::before { border-color: var(--green); }
.tile::after  { border-color: var(--cyan); }
.tile:hover::before { opacity: 1; transform: translate(-6px, -6px); }
.tile:hover::after  { opacity: 1; transform: translate(6px, 6px); }

/* MOD 1 — Duvar (marquee) */
.wall { display: grid; gap: 14px; margin: 0 calc(var(--pad) * -1); overflow: hidden; padding: 10px 0; }
.wall-row { overflow: visible; }
.wall-track { display: flex; width: max-content; animation: wall var(--dur, 120s) linear infinite; }
.wall-row.rev .wall-track { animation-direction: reverse; }
.wall-row:hover .wall-track, .wall.paused .wall-track { animation-play-state: paused; }
.wall-track .tile { width: clamp(220px, 24vw, 360px); margin-right: 14px; flex: none; }
@keyframes wall { to { transform: translateX(-50%); } }

.flow-btn { display: inline-flex; align-items: center; gap: 8px; }
.flow-btn i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.wall.paused + .wall-foot .flow-btn i, .flow-btn[aria-pressed="false"] i { background: var(--ink-3); }
.wall-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; gap: 16px; flex-wrap: wrap; }

/* MOD 2 — Kontakt baskı ızgarası */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 14px; }
::view-transition-group(*) { animation-duration: 0.55s; animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1); }

/* MOD 3 — İndeks listesi */
.index-head, .index-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 2.4fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px; align-items: baseline;
}
.index-head { padding: 0 0 10px; border-bottom: 1px solid var(--ink); }
.index-row {
  width: 100%; text-align: left;
  padding: 16px 0; border-bottom: 1px solid var(--line);
  transition: background 0.3s;
}
.index-row:hover { background: var(--paper-2); }
.index-title { font-family: var(--serif); font-size: clamp(1.3rem, 2.2vw, 2rem); line-height: 1.15; transition: transform 0.5s var(--ease); }
.index-row:hover .index-title { transform: translateX(12px); font-style: italic; }
.index-cell { font-size: 14px; color: var(--ink-2); }
.cursor-preview {
  position: fixed; left: 0; top: 0; z-index: 80;
  width: 300px; aspect-ratio: 4 / 3;
  pointer-events: none;
  opacity: 0; scale: 0.9;
  transition: opacity 0.3s, scale 0.4s var(--ease);
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.cursor-preview.on { opacity: 1; scale: 1; }
.cursor-preview img { width: 100%; height: 100%; object-fit: cover; }

/* ==========================================================================
   DİSİPLİNLER
   ========================================================================== */
.disc-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); }
.disc { padding: 24px 24px 32px 0; border-right: 1px solid var(--line); }
.disc + .disc { padding-left: 24px; }
.disc:last-child { border-right: 0; }
.disc h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.8rem, 2.6vw, 2.4rem); line-height: 1.05; margin: 40px 0 14px; }
.disc p { color: var(--ink-2); font-size: 15px; }

/* ==========================================================================
   HAKKINDA
   ========================================================================== */
.about {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.about-eyebrow {
  margin-bottom: 24px;
}
.about-lead {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.6vw, 3.3rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  text-align: center;
  color: var(--ink);
}
.about-lead em {
  font-style: italic;
  color: var(--ink-2);
}
.about-body {
  color: var(--ink-2);
  margin-top: 28px;
  max-width: 700px;
  font-size: clamp(1.05rem, 1.45vw, 1.25rem);
  line-height: 1.65;
  text-align: center;
}

/* ==========================================================================
   İLETİŞİM (Açık, tül zeminli, desenin aktığı editoryal alan)
   ========================================================================== */
.contact {
  background: var(--paper-wash-strong);
  color: var(--ink);
  border-top: 1px solid var(--ink);
}
.contact .eyebrow { color: var(--ink-2); }
.contact .section-note { color: var(--ink-2); }
.contact-big {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(3rem, 10vw, 9.5rem); line-height: 0.92; letter-spacing: -0.02em;
  margin: 24px 0 48px;
  color: var(--ink);
}
.contact-big em { font-style: italic; }
.contact-form-wrap {
  max-width: 760px;
  margin-top: 24px;
}
.form { display: grid; gap: 20px; }
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 640px) {
  .form-row-2 { grid-template-columns: 1fr; gap: 16px; }
}
.field {
  width: 100%; background: transparent; color: var(--ink);
  border: 0; border-bottom: 1px solid var(--line-strong);
  padding: 14px 0; font: inherit; font-size: 16px;
  border-radius: 0;
  transition: border-color 0.3s;
}
.field::placeholder { color: var(--ink-3); }
.field:focus { outline: none; border-color: var(--cyan); }
textarea.field { resize: vertical; min-height: 120px; }

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.submit {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 14px 30px; border-radius: 40px; background: var(--ink); color: var(--paper);
  transition: background 0.3s, color 0.3s, transform 0.2s;
  cursor: pointer;
}
.submit:hover { background: var(--green); color: #fff; transform: translateY(-1px); }
.form-note { font-size: 13px; color: var(--ink-2); }

.footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px;
  padding: 28px var(--pad);
  background: var(--paper-wash-strong); color: var(--ink-2);
  border-top: 1px solid var(--line);
}
.footer a:hover { color: var(--ink); }

/* ==========================================================================
   LIGHTBOX
   ========================================================================== */
.lightbox {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(12, 12, 12, 0.96);
  display: grid; grid-template-columns: 1fr 360px;
  opacity: 0; visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lb-stage { position: relative; display: grid; place-items: center; padding: 64px; min-height: 0; }
.lb-img { max-width: 100%; max-height: calc(100svh - 128px); object-fit: contain; }
.lb-panel { background: var(--paper); padding: 32px 28px; overflow-y: auto; display: flex; flex-direction: column; gap: 18px; }
.lb-title { font-family: var(--serif); font-weight: 400; font-size: 2rem; line-height: 1.08; }
.lb-facts { list-style: none; border-top: 1px solid var(--ink); }
.lb-facts li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.lb-desc { color: var(--ink-2); font-size: 15px; }
.lb-nav { position: absolute; top: 50%; translate: 0 -50%; color: var(--paper); border-color: var(--paper); }
.lb-nav:hover { background: var(--paper); color: var(--ink); }
.lb-prev { left: 16px; }
.lb-next { right: 16px; }
.lb-close { position: absolute; top: 16px; right: 16px; color: var(--paper); border-color: var(--paper); }
.lb-close:hover { background: var(--paper); color: var(--ink); }
.lb-count { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 210;
  translate: -50% 120px;
  background: var(--ink); color: var(--paper);
  font-size: 14px; padding: 12px 20px; border-radius: 40px;
  transition: translate 0.5s var(--ease);
}
.toast.show { translate: -50% 0; }

/* ==========================================================================
   BAŞA DÖN BUTONU (Minimalist Editoryal Yüzen Buton)
   ========================================================================== */
.back-to-top {
  position: fixed;
  right: clamp(16px, 3vw, 36px);
  bottom: clamp(20px, 3vw, 36px);
  z-index: 85;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 40px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), background 0.3s, color 0.3s;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-2px);
}
.back-to-top svg {
  transition: transform 0.3s var(--ease);
}
.back-to-top:hover svg {
  transform: translateY(-3px);
}

/* Görünür olunca açılma */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ==========================================================================
   DUYARLI
   ========================================================================== */
@media (max-width: 960px) {
  .disc-grid { grid-template-columns: 1fr 1fr; }
  .disc:nth-child(2) { border-right: 0; }
  .disc:nth-child(3) { padding-left: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .lightbox { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .lb-panel { max-height: 38svh; }
  .lb-stage { padding: 56px 16px 16px; }
  .lb-img { max-height: calc(62svh - 72px); }
  .index-head, .index-row { grid-template-columns: 40px minmax(0, 1fr) minmax(0, 0.8fr); }
  .index-head > :nth-child(n+4), .index-row > :nth-child(n+4) { display: none; }
}
@media (max-width: 640px) {
  .brand-name { display: none; }
  .hero { padding: 80px var(--pad) 20px; min-height: 100svh; }
  .hero-meta { gap: 6px 14px; font-size: 10.5px; }
  .hero-stage { padding: 8px 0; }
  .logo-comp { width: clamp(200px, 58vw, 260px); margin: 0 auto 20px; }
  .hero-title { font-size: clamp(2.5rem, 11vw, 3.6rem); }
  .hero-intro { margin-top: 14px; font-size: 0.98rem; line-height: 1.45; }
  .hero-bottom { flex-direction: column; align-items: center; text-align: center; gap: 10px; }
  .section-head { grid-template-columns: 1fr; }
  .disc-grid { grid-template-columns: 1fr; }
  .disc, .disc + .disc { padding-left: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .cursor-preview { display: none; }
}

/* Hareket hassasiyeti */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .wall-track { flex-wrap: wrap; width: auto; }
}