/* ═══════════════════════════════════════════════════════════════════════
   CELIK — components.css · REDESIGN v2 (AÇIK TEMA)
   Paylaşılan bileşenler. Fotoğraf-öncelikli editoryal görünüm:
   beyaz zemin, grafit metin, altın yalnız vurgu, ince 1px çizgiler.
   Foto üstünde yalnız İNCE okunabilirlik degradesi (R1) — tam scrim YOK.
   Animasyon (R5): yalnız hero fade, .reveal, kart görsel scale(1.03) 500ms,
   link altın alt çizgi geçişi.
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Butonlar ────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 14px 28px;
  font-size: var(--text-sm);
  font-weight: var(--fw-extrabold);
  letter-spacing: 0.02em;
  line-height: 1.2;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast);
}

/* Primary: altın zemin + grafit metin (R0) */
.btn--primary {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-graphite);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-gold-soft);
  border-color: var(--color-gold-soft);
}

/* Ghost: grafit ince çerçeve, açık zeminde (R0) */
.btn--ghost {
  background-color: transparent;
  border-color: var(--color-line-strong);
  color: var(--color-graphite);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--color-graphite);
  background-color: var(--color-surface);
}

/* Light: foto/koyu zemin üstünde — beyaz yarı saydam çerçeve, beyaz metin (R2) */
.btn--light {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--color-white);
}

.btn--light:hover,
.btn--light:focus-visible {
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.12);
}

.btn--sm {
  padding: 9px 18px;
  font-size: var(--text-xs);
}

.btn__arrow {
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

/* ── Eyebrow ─────────────────────────────────────────────────────────── */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-gold);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background-color: var(--color-gold);
  opacity: 0.7;
}

/* ── Ok bağlantısı — grafit metin, altın alt çizgi geçişi (R5) ───────── */

.link-arrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--fw-extrabold);
  letter-spacing: 0.02em;
  color: var(--color-graphite);
  transition: color var(--transition-fast);
}

.link-arrow::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -4px;
  height: 2px;
  background-color: var(--color-gold);
  transition: right var(--transition);
}

.link-arrow:hover::after,
.link-arrow:focus-visible::after {
  right: 0;
}

.link-arrow svg {
  flex-shrink: 0;
  color: var(--color-gold);
  transition: transform var(--transition-fast);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

.link-arrow--back svg {
  transition: transform var(--transition-fast);
}

.link-arrow--back:hover svg {
  transform: translateX(-4px);
}

/* ── Dil değiştirici ─────────────────────────────────────────────────── */

.lang {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  padding: 2px;
}

.lang__btn {
  padding: 5px 12px;
  font-size: var(--text-xs);
  font-weight: var(--fw-extrabold);
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  border-radius: var(--radius-pill);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.lang__btn:hover {
  color: var(--color-graphite);
}

.lang__btn[aria-pressed="true"] {
  color: var(--color-graphite);
  background-color: var(--color-gold);
}

/* ── Burger — grafit çizgiler (beyaz header) ─────────────────────────── */

.burger {
  display: none;               /* ≤1024'te responsive.css açar */
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
}

.burger__box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 22px;
}

.burger__line {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-graphite);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition-fast);
}

.burger[aria-expanded="true"] .burger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger[aria-expanded="true"] .burger__line:nth-child(2) {
  opacity: 0;
}

.burger[aria-expanded="true"] .burger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Altın vurgu (başlık satırı) ─────────────────────────────────────── */

.is-gold {
  color: var(--color-gold);
}

/* ── Breadcrumb (R4/R6 — küçük gri: Главная / Проекты) ──────────────── */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

.breadcrumb ol,
.breadcrumb ul {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--color-line-strong);
}

.breadcrumb__sep {
  color: var(--color-line-strong);
}

.breadcrumb a {
  color: var(--color-text-faint);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--color-graphite);
}

.breadcrumb [aria-current="page"],
.breadcrumb__current {
  color: var(--color-text-muted);
}

/* ── İç sayfa başlık bandı — AÇIK zemin, dev grafit başlık (R4/R6) ───── */

.page-hero {
  position: relative;
  padding-block: var(--space-8) var(--space-8);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-line-soft);
}

.page-hero h1,
.page-hero__title {
  max-width: 900px;
  font-size: var(--text-h1);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-graphite);
}

.page-hero__lead {
  margin-top: var(--space-5);
  max-width: 640px;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

/* ── Bölüm başlığı ───────────────────────────────────────────────────── */

.section-head {
  max-width: 780px;
  margin-bottom: var(--space-7);
}

.section-head__lead {
  margin-top: var(--space-4);
  max-width: 640px;
  font-size: var(--text-md);
  color: var(--color-text-muted);
}

/* ── Split (metin + görsel) ──────────────────────────────────────────── */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.split--wide-text {
  grid-template-columns: 1.15fr 0.85fr;
}

.split--reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

/* Fotoğraflar parlak ve temiz — karartma yok (R1) */
.split__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.split__body > p {
  margin-top: var(--space-4);
}

.split__body > p:first-of-type {
  margin-top: 0;
}

/* ── İstatistikler — 64–80px 800 grafit rakam, gri etiket (R4) ───────── */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-7);
}

.stat {
  display: flex;
  flex-direction: column;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line);
}

.stat__value {
  font-size: var(--text-stat);
  font-weight: var(--fw-extrabold);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
  color: var(--color-graphite);
}

.stat__label {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
}

.stat__sub {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ── Hizmet kartı (anasayfa özeti) ───────────────────────────────────── */

.service-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background-color: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.service-card:hover,
.service-card:focus-within {
  border-color: var(--color-line-strong);
}

.service-card__num {
  font-size: var(--text-sm);
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--tracking-wide);
  color: var(--color-gold);
  margin-bottom: var(--space-5);
}

.service-card__num::after {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  margin-top: var(--space-3);
  background-color: var(--color-gold-line);
}

.service-card__title {
  font-size: var(--text-h3);
  margin-bottom: var(--space-3);
}

.service-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── Adımlar (anasayfa kısa yaklaşım grid'i) ─────────────────────────── */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-7) var(--space-6);
}

.step {
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line);
  transition: border-color var(--transition);
}

.step:hover {
  border-top-color: var(--color-gold-line);
}

.step__num {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--tracking-wide);
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.step__title {
  font-size: var(--text-h3);
  margin-bottom: var(--space-3);
}

.step__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── Dikey zaman çizgisi (yaklaşım — R6: sol altın çizgi + numara) ───── */

.timeline {
  position: relative;
  max-width: 860px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 23px;
  top: var(--space-2);
  bottom: var(--space-2);
  width: 2px;
  background-color: var(--color-gold-line);
}

.timeline__item {
  position: relative;
  padding-left: 88px;
  padding-bottom: var(--space-8);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__num {
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-bg);
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  color: var(--color-graphite);
  font-weight: var(--fw-extrabold);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
}

.timeline__title {
  padding-top: var(--space-2);
  font-size: 1.375rem;
  color: var(--color-graphite);
}

.timeline__text,
.timeline__detail {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
}

/* ── Bilgi kutusu ────────────────────────────────────────────────────── */

.notice {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-gold-tint);
  border: 1px solid rgba(200, 159, 45, 0.28);
  border-left: 3px solid var(--color-gold);
  border-radius: var(--radius-sm);
}

.notice__icon {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-gold);
}

.notice p {
  font-size: var(--text-sm);
  color: var(--color-text);
}

/* ── CTA bandı — tek koyu bölüm: grafit zemin + altın buton (R0) ─────── */

.cta {
  position: relative;
  padding-block: var(--space-9);
  background-color: var(--color-graphite);
  overflow: hidden;
}

.cta__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
}

.cta__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(27, 31, 36, 0.9) 0%, rgba(27, 31, 36, 0.55) 100%);
}

.cta__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.cta__title {
  max-width: 640px;
  color: var(--color-white);
}

.cta__lead {
  margin-top: var(--space-4);
  max-width: 560px;
  font-size: var(--text-md);
  color: var(--color-inv-muted);
}

/* ── Durum rozeti — okunur kontrast (R0 kontrast kuralı) ─────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 5px 14px;
  font-size: var(--text-xs);
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  white-space: nowrap;
  border-radius: var(--radius-pill);
  background-color: rgba(27, 31, 36, 0.08);
  color: var(--color-graphite);
}

/* Devam eden: altın zemin, grafit metin */
.badge--ongoing {
  background-color: var(--color-gold);
  color: var(--color-graphite);
}

.badge--ongoing::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-graphite);
}

/* Tamamlanan: grafit %8 zemin, grafit metin */
.badge--done {
  background-color: rgba(27, 31, 36, 0.08);
  color: var(--color-graphite);
}

/* Foto üstünde "done" rozet beyaz zemine döner — okunurluk */
.project-row .badge--done,
.project-card__media .badge--done {
  background-color: rgba(255, 255, 255, 0.92);
}

.project-row .badge--ongoing,
.project-card__media .badge--ongoing {
  background-color: var(--color-gold);
}

/* ── Proje satır kartı — tam genişlik büyük foto kart (R3) ───────────── */

/*
  <a class="project-row" href="project.html?id=...">
    <img class="project-row__img" ...>
    <div class="project-row__veil"></div>
    <div class="project-row__head">
      <h3 class="project-row__title">…</h3>
      <p class="project-row__loc">…</p>
    </div>
    <span class="badge ...">…</span>
  </a>
*/

.projects-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.project-row {
  position: relative;
  display: block;
  height: 56vh;
  min-height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-graphite);
}

.project-row__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);   /* 500ms — tek izinli efekt */
}

.project-row:hover .project-row__img,
.project-row:focus-visible .project-row__img {
  transform: scale(1.03);
}

/* Üst ince okunabilirlik degradesi (R1) — fotoğrafın %70+'ı temiz kalır */
.project-row__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: var(--veil-top);
}

.project-row__head {
  position: absolute;
  top: var(--space-6);
  left: var(--space-6);
  right: 190px;
  z-index: 1;
}

.project-row__title {
  font-size: clamp(1.25rem, 1rem + 1.2vw, 1.75rem);
  line-height: var(--leading-snug);
  color: var(--color-white);
}

.project-row__loc {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.78);
}

.project-row .badge {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  z-index: 1;
}

/* Anasayfa "featured": aynı bileşenin 2 sütunlu kompakt hali (R3) */
.project-row--half {
  height: 380px;
  min-height: 0;
}

.project-row--half .project-row__head {
  top: var(--space-5);
  left: var(--space-5);
  right: 150px;
}

.project-row--half .project-row__title {
  font-size: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
}

.project-row--half .badge {
  top: var(--space-5);
  right: var(--space-5);
}

/* ── Proje grid'i (eski kart bileşeni de çalışmaya devam eder) ───────── */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-5);
}

/* Yeni satır kartları grid'e düşerse: liste tek kolon, featured 2 kolon */
.project-grid:has(.project-row) {
  grid-template-columns: 1fr;
}

.project-grid--rows,
.project-grid:has(.project-row--half) {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.project-card:hover,
.project-card:focus-visible,
.project-card:focus-within {
  border-color: var(--color-line-strong);
}

.project-card__media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background-color: var(--color-bg-alt);
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__media img,
.project-card:focus-visible .project-card__media img {
  transform: scale(1.03);
}

.project-card__media .badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 1;
}

.project-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
  flex-grow: 1;
}

.project-card__title {
  font-size: var(--text-md);
  line-height: var(--leading-snug);
  transition: color var(--transition-fast);
}

.project-card:hover .project-card__title {
  color: var(--color-gold);
}

.project-card__location {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

/* ── Metin sekmeleri (.tabs) + eski .filter aynı görünüme taşınır (R3) ─ */

.tabs,
.filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
}

.tabs__btn,
.tabs button,
.filter__btn,
.filter button {
  position: relative;
  padding: var(--space-2) 0;
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  background: none;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.tabs__btn::after,
.tabs button::after,
.filter__btn::after,
.filter button::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: right var(--transition);
}

.tabs__btn:hover,
.tabs button:hover,
.filter__btn:hover,
.filter button:hover {
  color: var(--color-graphite);
}

/* Aktif: altın + alt çizgi */
.tabs__btn[aria-pressed="true"],
.tabs button[aria-pressed="true"],
.tabs__btn.is-active,
.tabs button.is-active,
.filter__btn[aria-pressed="true"],
.filter button[aria-pressed="true"],
.filter__btn.is-active,
.filter button.is-active {
  color: var(--color-gold);
  font-weight: var(--fw-extrabold);
}

.tabs__btn[aria-pressed="true"]::after,
.tabs button[aria-pressed="true"]::after,
.tabs__btn.is-active::after,
.tabs button.is-active::after,
.filter__btn[aria-pressed="true"]::after,
.filter button[aria-pressed="true"]::after,
.filter__btn.is-active::after,
.filter button.is-active::after {
  right: 0;
}

/* ── Künye listesi (proje detayı) ────────────────────────────────────── */

.meta-list {
  border-top: 1px solid var(--color-line);
}

.meta-list > div,
.meta-list__item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-line-soft);
}

.meta-list dt,
.meta-list__label {
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-faint);
  align-self: center;
}

.meta-list dd,
.meta-list__value {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
}

/* ── Galeri + Lightbox ───────────────────────────────────────────────── */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
}

.gallery a,
.gallery button,
.gallery__item {
  position: relative;
  display: block;
  padding: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
  border: 0;
  background-color: var(--color-bg-alt);
  cursor: zoom-in;
}

.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery a:hover img,
.gallery a:focus-visible img,
.gallery button:hover img,
.gallery button:focus-visible img,
.gallery__item:hover img {
  transform: scale(1.03);
}

/* gallery.js görünürlüğü [hidden] özniteliğiyle yönetir */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background-color: var(--color-overlay);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-width: min(90vw, 1100px);
  max-height: 82vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.lightbox__caption {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  max-width: 80vw;
  font-size: var(--text-sm);
  color: var(--color-gray);
  text-align: center;
}

.lightbox__prev[hidden],
.lightbox__next[hidden],
.lightbox__counter[hidden] {
  display: none;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  background-color: rgba(13, 16, 20, 0.65);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover,
.lightbox__close:focus-visible,
.lightbox__prev:focus-visible,
.lightbox__next:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold-soft);
}

.lightbox__close {
  top: var(--space-5);
  right: var(--space-5);
}

.lightbox__prev {
  left: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
}

/* ── Müşteri logoları — beyaz kart, İNCE gri çerçeve, gölgesiz (R6) ──── */

.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
}

.logo-grid__item,
.logo-grid > li,
.logo-grid > div {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 112px;
  padding: var(--space-5);
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
  transition: border-color var(--transition);
}

.logo-grid__item:hover,
.logo-grid > li:hover,
.logo-grid > div:hover {
  border-color: var(--color-line-strong);
}

.logo-grid img {
  max-height: 56px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
}

/* ── Referans mektupları / sertifikalar — beyaz kart + ince çerçeve ──── */

.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-5);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-5);
}

.ref-grid a,
.ref-grid button,
.ref-grid__item,
.cert-grid a,
.cert-grid button,
.cert-grid__item {
  display: block;
  padding: var(--space-3);
  background-color: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  cursor: zoom-in;
  transition: border-color var(--transition);
}

.ref-grid a:hover,
.ref-grid a:focus-visible,
.ref-grid button:hover,
.ref-grid button:focus-visible,
.ref-grid__item:hover,
.cert-grid a:hover,
.cert-grid a:focus-visible,
.cert-grid button:hover,
.cert-grid button:focus-visible,
.cert-grid__item:hover {
  border-color: var(--color-line-strong);
}

.ref-grid img,
.cert-grid img {
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.ref-grid figcaption,
.ref-grid__caption,
.cert-grid figcaption,
.cert-grid__caption {
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
}

/* ── Form — açık tema: beyaz input, grafit çerçeve, altın odak (R6) ──── */

.form {
  display: grid;
  gap: var(--space-5);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form__group,
.form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form label {
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form input:not([type="checkbox"]):not([type="radio"]),
.form textarea,
.form select {
  width: 100%;
  padding: 13px 16px;
  font-size: var(--text-sm);
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form input::placeholder,
.form textarea::placeholder {
  color: var(--color-text-faint);
}

.form input:hover,
.form textarea:hover,
.form select:hover {
  border-color: var(--color-graphite);
}

.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-tint);
}

.form textarea {
  min-height: 150px;
  resize: vertical;
}

.form__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.form__note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ── Reveal (main.js IntersectionObserver — 500ms, R5) ───────────────── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Çok uzun konteynerlerde reveal devre dışı: main.js IO threshold'u (0.1)
   ~10000px'lik tek kolon proje listesinde asla tetiklenmez — liste gizli
   kalırdı. Kartlar zaten görünür doğar; animasyon yalnız kısa bloklarda. */
.project-grid.reveal,
.projects-list.reveal {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .project-row__img,
  .project-card__media img,
  .gallery img {
    transition: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════════
   R9 — CİLALAMA TURU · ORTAK BİLEŞENLER (yalnız bu core dosyada)
   Referans: msconst-onas (istatistik kart mozaiği + foto bandı + damalı
   bloklar + coğrafya) · msconst-uslugi (numaralı medya satırları).
   Az animasyon kuralı sürüyor; scrim/filigran yok; kontrast AA.
   ═══════════════════════════════════════════════════════════════════════ */

/* ── .stat-cards — istatistik kart mozaiği (R9.1) ─────────────────────
   DOM: .stat-cards > .stat-card[--gold|--graphite|--soft]
          > .stat-card__value + .stat-card__label (+ .stat-card__sub)
   Asimetrik renk dağılımı varyantlarla; radius 12; rakam 44–64px 800. */

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-height: 224px;
  padding: var(--space-6);
  border-radius: 12px;
  background-color: var(--color-white);
  border: 1px solid var(--color-line);
}

.stat-card__value {
  font-size: clamp(2.75rem, 2.1rem + 2vw, 4rem);   /* 44–64px */
  font-weight: var(--fw-extrabold);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
  color: var(--color-graphite);
  font-variant-numeric: tabular-nums;
}

/* Etiket alta yaslanır — rakam üstte, etiket altta (referans düzeni) */
.stat-card__label {
  display: block;
  margin-top: auto;
  padding-top: var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  line-height: var(--leading-snug);
  color: var(--color-text-muted);
}

.stat-card__sub {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.stat-card a {
  color: inherit;
}

/* Altın kart: altın zemin + grafit metin (AA: 6.6:1) */
.stat-card--gold {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
}

.stat-card--gold .stat-card__value {
  color: var(--color-graphite);
}

.stat-card--gold .stat-card__label,
.stat-card--gold .stat-card__sub {
  color: rgba(27, 31, 36, 0.82);   /* altın üstünde AA küçük metin */
}

/* Grafit kart: grafit zemin + beyaz rakam, gri etiket (AA: 7.6:1) */
.stat-card--graphite {
  background-color: var(--color-graphite);
  border-color: var(--color-graphite);
}

.stat-card--graphite .stat-card__value {
  color: var(--color-white);
}

.stat-card--graphite .stat-card__label {
  color: var(--color-inv-muted);
}

.stat-card--graphite .stat-card__sub {
  color: var(--color-inv-faint);
}

/* Yumuşak kart: açık gri zemin */
.stat-card--soft {
  background-color: var(--color-bg-alt);
  border-color: var(--color-line-soft);
}

/* ── .photo-band — sayfa başlığı altı tam-konteyner foto bandı (R9.1) ─
   DOM: .container > .photo-band > img — scrim YOK (R1). */

.photo-band {
  height: 46vh;
  min-height: 300px;
  max-height: 560px;
  overflow: hidden;
  border-radius: 12px;
  background-color: var(--color-bg-alt);
}

.photo-band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── .mosaic — 2 sütunlu damalı blok (R9.1) ──────────────────────────
   DOM: .mosaic > .mosaic__panel (grafit; eyebrow + .mosaic__title +
   .mosaic__text × n + .mosaic__more) + .mosaic__photo > img.
   Çok satırlı damalı düzen DOM sırasıyla kurulur (panel,foto,foto,panel);
   tek satırda ters sıra için .mosaic--flip. Mobilde tek sütun. */

.mosaic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-radius: 12px;
  overflow: hidden;
  background-color: var(--color-graphite);
}

.mosaic__panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-4);
  padding: clamp(2rem, 1.4rem + 2.5vw, 3.5rem);
  background-color: var(--color-graphite);
}

.mosaic__panel h2,
.mosaic__panel h3,
.mosaic__title {
  color: var(--color-white);
}

.mosaic__title {
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
  line-height: var(--leading-snug);
}

.mosaic__text {
  max-width: 52ch;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.82);   /* grafit üstünde AA */
}

/* Panel içi altın vurgular — foto/koyu zeminde yumuşak altın */
.mosaic__panel .eyebrow {
  margin-bottom: 0;
  color: var(--color-gold-soft);
}

.mosaic__panel .eyebrow::before {
  background-color: var(--color-gold-soft);
}

.mosaic__panel .is-gold {
  color: var(--color-gold-soft);
}

/* Panel içi ok bağlantısı beyaza döner */
.mosaic__panel .link-arrow {
  color: var(--color-white);
}

.mosaic__panel .link-arrow svg {
  color: var(--color-gold-soft);
}

.mosaic__panel .link-arrow::after {
  background-color: var(--color-gold-soft);
}

.mosaic__more {
  margin-top: var(--space-2);
}

.mosaic__photo {
  position: relative;
  min-height: 380px;
}

.mosaic__photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Tek satırlı mosaic'te ters sıra: foto solda, panel sağda */
.mosaic--flip .mosaic__panel {
  order: 2;
}

/* ── .logo-strip — anasayfa müşteri logoları şeridi (R9.1) ───────────
   DOM: .logo-strip > figure.logo-strip__item
          > span.logo-strip__box > img  +  figcaption.logo-strip__name
   Beyaz kutu, ince gri çerçeve; hover efekti YOK (animasyon az). */

.logo-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--space-4);
}

.logo-strip__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0;
}

.logo-strip__box {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-grow: 1;
  min-height: 128px;
  padding: var(--space-5) var(--space-6);
  background-color: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.logo-strip__box img {
  max-height: 52px;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.logo-strip__name {
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-faint);
  text-align: center;
}

/* ── .geo — coğrafya bölümü (R9.1) ───────────────────────────────────
   DOM: .geo > .geo__intro (eyebrow + h2 + .geo__lead)
            + .geo__cols > .geo__col (h3.geo__country + ul.geo__list) */

.geo {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-8);
  align-items: start;
}

.geo__lead {
  margin-top: var(--space-4);
  max-width: 46ch;
  color: var(--color-text-muted);
}

.geo__cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-7) var(--space-6);
  padding-top: var(--space-2);
}

.geo__country {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-line);
  font-size: var(--text-xs);
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.geo__list {
  display: grid;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Altın nokta işaretli şehir satırları */
.geo__list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  color: var(--color-text);
}

.geo__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-gold);
}

/* ── .service-media-row — hizmet satırı + foto karo (R9.1) ───────────
   DOM: .service-media-row > .service-media-row__num
          + .service-media-row__body (__title + __text × n + ul > li)
          + .service-media-row__media > img (4:3, radius 10)
   Satırlar arası ince çizgi; foto hover'da hafif scale (mevcut kural). */

.service-media-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) minmax(280px, 360px);
  gap: var(--space-5) var(--space-7);
  align-items: start;
  padding-block: var(--space-7);
  border-top: 1px solid var(--color-line);
}

.service-media-row__num {
  padding-top: var(--space-2);
  font-size: 1.5rem;
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--tracking-wide);
  line-height: 1;
  color: var(--color-gold);
}

.service-media-row__title {
  margin-bottom: var(--space-3);
  font-size: clamp(1.25rem, 1.05rem + 0.8vw, 1.625rem);
  line-height: var(--leading-snug);
}

.service-media-row__text {
  max-width: 56ch;
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

.service-media-row__text + .service-media-row__text {
  margin-top: var(--space-3);
}

.service-media-row__body ul {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.service-media-row__body li {
  position: relative;
  padding-left: 18px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.service-media-row__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 2px;
  background-color: var(--color-gold);
}

.service-media-row__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-alt);
}

.service-media-row__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);   /* 500ms — tek izinli efekt */
}

.service-media-row:hover .service-media-row__media img,
.service-media-row:focus-within .service-media-row__media img {
  transform: scale(1.03);
}

/* ── Hero slider cilası (R9.1) ───────────────────────────────────────
   Caption chip: yarı saydam koyu blur zemin (home.css konumlandırır;
   buradaki yüksek özgüllük zemin/çerçeveyi uygular). */

.hero-slider .hero-slider__caption {
  padding: var(--space-3) var(--space-4);
  background-color: rgba(13, 16, 20, 0.68);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  text-shadow: none;
}

.hero-slider .hero-slider__ploc {
  color: rgba(255, 255, 255, 0.85);
}

/* İlerleme çizgisi: aktif slide süresince dolar. hero-slider.js her slide
   değişiminde .is-running'i kaldırıp (reflow) yeniden ekler → width 0'dan
   6 sn'de %100'e (süre = INTERVAL). DOM: span.hero-slider__progress > i */
.hero-slider__progress {
  display: inline-block;
  width: 72px;
  height: 2px;
  border-radius: 1px;
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.28);
}

.hero-slider__progress i {
  display: block;
  width: 0;
  height: 100%;
  background-color: var(--color-gold-soft);
}

.hero-slider__progress.is-running i {
  width: 100%;
  transition: width 6s linear;   /* = hero-slider.js INTERVAL (6000ms) */
}

/* ── Genel mikro-cila (R9) ───────────────────────────────────────────── */

/* Ok bağlantısı: klavye odağında da kayar (hover ile eşlik) */
.link-arrow:focus-visible svg {
  transform: translateX(4px);
}

/* Buton basma hissi — geçişsiz 1px, animasyon bütçesi dışı */
.btn:active {
  transform: translateY(1px);
}

/* Bölüm başlığı boşluk ritmi: masaüstünde biraz daha nefes (48→~58px) */
.section-head {
  margin-bottom: clamp(3rem, 2.2rem + 1.6vw, 3.75rem);
}

/* Footer üst boşluğu — koyu blok başlamadan önce daha ferah giriş */
.footer {
  padding-block: var(--space-9) var(--space-6);
}

/* ── R9 azaltılmış hareket ───────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  /* Otomatik ilerleme kapalı (hero-slider.js) — çizgi gizlenir */
  .hero-slider__progress {
    display: none;
  }

  .service-media-row__media img {
    transition: none;
  }
}