/* =================================================================
   EPHESUS CREATIVE — Stil sayfası
   Oyun & Dijital Sanat Stüdyosu
   Logodan türetilmiş altın/bordo palet, koyu premium tema.
   ================================================================= */

/* -----------------------------------------------------------------
   1. TASARIM JETONLARI (Design Tokens)
   Tüm site bu değişkenlerden beslenir — tek yerden yönetim.
   ----------------------------------------------------------------- */
:root {
  /* Marka renkleri (logodan) */
  --gold:          #c9a24b;
  --gold-light:    #e3c478;
  --gold-deep:     #9c7a32;
  --burgundy:      #5e1a24;
  --burgundy-deep: #3a0f16;
  --burgundy-soft: #7a2530;

  /* Yüzeyler ve metin (koyu tema) */
  --ink:        #0d0b0a;   /* Ana arka plan */
  --ink-soft:   #15110f;   /* Panel / kart */
  --ink-line:   #2a221d;   /* İnce çizgiler */
  --text:       #ece3d3;   /* Sıcak kırık beyaz gövde metni */
  --text-muted: #a89a82;   /* İkincil metin */

  /* Hero gökyüzü — JS saate göre günceller (varsayılan: alacakaranlık) */
  --hero-from: #2a0f16;
  --hero-to:   #0d0b0a;

  /* Tipografi */
  --font-display: "Cinzel", Georgia, serif;       /* Roma esintili başlıklar */
  --font-body:    "Inter", system-ui, sans-serif; /* Temiz gövde */

  /* Akışkan tipografi ölçeği (clamp: min, esnek, maks) */
  --fs-hero:  clamp(2.75rem, 7vw, 6rem);
  --fs-h2:    clamp(1.9rem, 4vw, 3rem);
  --fs-h3:    clamp(1.2rem, 2vw, 1.5rem);
  --fs-lead:  clamp(1.05rem, 1.6vw, 1.3rem);

  /* Boşluk ölçeği */
  --space-section: clamp(4.5rem, 10vw, 9rem);
  --container: 1180px;
  --gutter: clamp(1.25rem, 5vw, 3rem);

  /* Diğer */
  --radius: 14px;
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.7);
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1); /* yumuşak "ease-out-quint" */
  --tr-fast: 0.25s var(--ease);
  --tr: 0.45s var(--ease);
}

/* -----------------------------------------------------------------
   2. SIFIRLAMA & TEMEL
   ----------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;          /* JS yoksa da pürüzsüz kayar */
  scroll-padding-top: var(--header-h); /* Sabit başlık çapayı örtmesin */
}

body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* Erişilebilirlik: klavye odak halkası */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Hareket azaltma tercihi */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* -----------------------------------------------------------------
   3. TİPOGRAFİ & YARDIMCILAR
   ----------------------------------------------------------------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; letter-spacing: 0.01em; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }

.section { padding-block: var(--space-section); }
.section--alt { background: linear-gradient(180deg, var(--ink) 0%, var(--ink-soft) 50%, var(--ink) 100%); }

/* Bölüm başlığı: küçük "kicker" etiketi + büyük başlık */
.kicker {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.kicker::before { content: ""; width: 34px; height: 1px; background: var(--gold); opacity: 0.7; }

.section__title { font-size: var(--fs-h2); margin-block: 0.6rem 1rem; }
.section__lead { max-width: 60ch; color: var(--text-muted); font-size: var(--fs-lead); }

.text-gold {
  background: linear-gradient(120deg, var(--gold-light), var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* -----------------------------------------------------------------
   4. BUTONLAR
   ----------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: transform var(--tr-fast), box-shadow var(--tr-fast), background var(--tr-fast);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(120deg, var(--gold), var(--gold-deep));
  color: #1a1206;
  box-shadow: 0 12px 30px -10px rgba(201, 162, 75, 0.6);
}
.btn--primary:hover { box-shadow: 0 18px 40px -10px rgba(201, 162, 75, 0.75); }

.btn--ghost {
  border: 1px solid var(--ink-line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-light); }

/* -----------------------------------------------------------------
   5. BAŞLIK / NAVİGASYON
   Hero üzerinde şeffaf, kaydırınca bulanık zemin kazanır (.scrolled).
   ----------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--tr), border-color var(--tr), backdrop-filter var(--tr);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(13, 11, 10, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--ink-line);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.brand img { width: 40px; height: 40px; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text);
}

.nav ul { display: flex; gap: 2rem; }
.nav a {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding-block: 0.4rem;
  transition: color var(--tr-fast);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1.5px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--tr);
}
.nav a:hover { color: var(--text); }
.nav a:hover::after,
.nav a.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav a.is-active { color: var(--gold-light); }

.header-actions { display: flex; align-items: center; gap: 1rem; }

.lang-toggle {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  border: 1px solid var(--ink-line);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  transition: color var(--tr-fast), border-color var(--tr-fast);
}
.lang-toggle:hover { color: var(--gold-light); border-color: var(--gold); }

/* Hamburger (mobil) */
.nav-toggle { display: none; width: 44px; height: 44px; position: relative; }
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 11px;
  width: 22px; height: 2px;
  background: var(--text);
  transition: transform var(--tr-fast), opacity var(--tr-fast);
}
.nav-toggle span { top: 21px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

/* -----------------------------------------------------------------
   6. HERO — saate göre değişen "gökyüzü"
   ----------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(170deg, var(--hero-from) 0%, var(--hero-to) 70%);
  transition: background 1.2s ease;
}
/* Bordo radyal parıltı */
.hero::before {
  content: "";
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 50% 30%, rgba(201, 162, 75, 0.16), transparent 55%);
  pointer-events: none;
}

/* Arka plandaki büyük logo filigranı — kenarları radyal maske ile yumuşatılır
   (logonun siyah köşeleri böylece görünmez olur) */
.hero__watermark {
  position: absolute;
  width: min(82vmin, 760px);
  aspect-ratio: 1;
  opacity: 0.10;
  -webkit-mask-image: radial-gradient(circle, #000 52%, transparent 72%);
          mask-image: radial-gradient(circle, #000 52%, transparent 72%);
  animation: spin 90s linear infinite;
  pointer-events: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero__inner { position: relative; z-index: 2; padding-inline: var(--gutter); max-width: 900px; }
.hero__kicker { margin-bottom: 1.4rem; justify-content: center; }
.hero__title {
  font-size: var(--fs-hero);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}
.hero__tagline {
  margin: 1.6rem auto 2.4rem;
  max-width: 46ch;
  font-size: var(--fs-lead);
  color: var(--text-muted);
}
.hero__cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Aşağı kaydır göstergesi */
.scroll-cue {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: grid; place-items: center; gap: 0.5rem;
  font-size: 0.7rem; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--text-muted);
}
.scroll-cue__line { width: 1px; height: 46px; background: linear-gradient(var(--gold), transparent); animation: cue 2.2s var(--ease) infinite; transform-origin: top; }
@keyframes cue { 0%, 100% { transform: scaleY(0.4); opacity: 0.4; } 50% { transform: scaleY(1); opacity: 1; } }

/* -----------------------------------------------------------------
   7. YER TUTUCU BÖLÜMLER (Faz 2-5'te doldurulacak)
   ----------------------------------------------------------------- */
.placeholder-note {
  margin-top: 1.5rem;
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  border: 1px dashed var(--gold-deep);
  border-radius: 999px;
  padding: 0.45rem 1rem;
}

.store-buttons { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }

/* İletişim & footer sosyal bağlantıları */
.social-row { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 1.5rem; }
.social-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--ink-line);
  border-radius: 999px;
  font-size: 0.9rem; font-weight: 500;
  color: var(--text-muted);
  transition: color var(--tr-fast), border-color var(--tr-fast), transform var(--tr-fast);
}
.social-link:hover { color: var(--gold-light); border-color: var(--gold); transform: translateY(-2px); }
.social-ico { width: 18px; height: 18px; fill: currentColor; flex: none; }

/* -----------------------------------------------------------------
   7b. STÜDYO — vizyon & misyon + değer sütunları
   ----------------------------------------------------------------- */
.studio-statements {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(2.5rem, 6vw, 4rem);
}
.statement { padding-left: 1.5rem; border-left: 2px solid var(--gold-deep); }
.statement__label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.8rem;
}
.statement__text { color: var(--text); font-size: var(--fs-lead); line-height: 1.75; }

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: clamp(2.5rem, 6vw, 4rem);
}
.pillar {
  padding: 1.8rem;
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  transition: transform var(--tr), border-color var(--tr);
}
.pillar:hover { transform: translateY(-4px); border-color: var(--gold-deep); }
.pillar__num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold-deep);
  margin-bottom: 0.8rem;
}
.pillar__title { font-family: var(--font-display); font-size: 1.15rem; color: var(--text); margin-bottom: 0.5rem; }
.pillar__text { color: var(--text-muted); font-size: 0.95rem; }

/* -----------------------------------------------------------------
   7c. OYUNLAR — Aeon Tempus featured kartı + mobil şerit
   ----------------------------------------------------------------- */
.games { position: relative; overflow: hidden; }
/* Faint sinematik arka plan (oyun içi ekran görüntüsü), üst/alt yumuşatılmış */
.games::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../img/aeon-tempus/shot4.jpg") center / cover no-repeat;
  opacity: 0.12;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 28%, #000 72%, transparent);
          mask-image: linear-gradient(180deg, transparent, #000 28%, #000 72%, transparent);
  pointer-events: none;
}
.games .container { position: relative; z-index: 1; }

.featured {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  max-width: 940px;
  background: rgba(21, 17, 15, 0.88);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.featured__art { aspect-ratio: 460 / 215; background: #0a0809; }
.featured__art img { width: 100%; height: 100%; object-fit: cover; }
.featured__body { padding: clamp(1.5rem, 4vw, 2.6rem); }
.featured__tagline {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  color: var(--gold-light);
  letter-spacing: 0.03em;
  margin-bottom: 1rem;
}
.featured__desc { color: var(--text); max-width: 62ch; margin-bottom: 1.5rem; }

.meta-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.8rem; }
.meta-chips li {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border: 1px solid var(--ink-line);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
}
.meta-chips li.is-price { color: var(--gold-light); border-color: var(--gold-deep); }

.games__subtitle {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--text);
  margin: clamp(3rem, 7vw, 4.5rem) 0 1.5rem;
}
.mobile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}
.mcard { display: flex; }
.mcard a {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
  width: 100%;
  height: 100%;
  padding: 1.6rem;
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  transition: transform var(--tr), border-color var(--tr), box-shadow var(--tr);
}
.mcard a:hover { transform: translateY(-4px); border-color: var(--gold-deep); box-shadow: var(--shadow); }
.mcard__icon {
  width: 72px; height: 72px;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
}
.mcard__name { font-family: var(--font-display); font-size: 1.12rem; color: var(--text); margin-top: 0.3rem; }
.mcard__cat {
  font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold-deep);
  border-radius: 999px;
  padding: 0.22rem 0.7rem;
}
.mcard__desc { color: var(--text-muted); font-size: 0.92rem; line-height: 1.6; flex-grow: 1; }
.mcard__cta { font-size: 0.85rem; font-weight: 600; color: var(--gold-light); margin-top: 0.3rem; }
.mcard__cta::after { content: " ↗"; opacity: 0.7; }

/* -----------------------------------------------------------------
   7d. MEDYA — fragman kartı + galeri + lightbox
   ----------------------------------------------------------------- */
.trailer {
  position: relative;
  display: block;
  margin-top: clamp(2.5rem, 6vw, 4rem);
  max-width: 940px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--ink-line);
  box-shadow: var(--shadow);
}
.trailer img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.68); transition: transform var(--tr), filter var(--tr); }
.trailer:hover img { transform: scale(1.04); filter: brightness(0.85); }
.trailer__play {
  position: absolute; inset: 0; margin: auto;
  width: 84px; height: 84px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(201, 162, 75, 0.92);
  color: #1a1206;
  padding-left: 4px; /* üçgeni optik olarak ortala */
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.5);
  transition: transform var(--tr-fast);
}
.trailer:hover .trailer__play { transform: scale(1.08); }
.trailer__label {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 2.4rem 1.6rem 1.2rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.gallery {
  margin-top: clamp(2rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.9rem;
}
.shot {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  padding: 0;
  border: 1px solid var(--ink-line);
  border-radius: 10px;
  overflow: hidden;
  background: #0a0809;
  cursor: pointer;
}
.shot img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.9); transition: transform var(--tr), filter var(--tr); }
.shot:hover img { transform: scale(1.06); filter: brightness(1.05); }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: none;
  place-items: center;
  background: rgba(5, 4, 4, 0.93);
  backdrop-filter: blur(8px);
  padding: 4vmin;
}
.lightbox.open { display: grid; }
.lightbox__img { max-width: 92vw; max-height: 88vh; border-radius: 8px; box-shadow: var(--shadow); }
.lightbox__close,
.lightbox__nav {
  position: absolute;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.09);
  color: var(--text);
  transition: background var(--tr-fast), color var(--tr-fast);
}
.lightbox__close { top: 1.2rem; right: 1.4rem; width: 48px; height: 48px; font-size: 1.3rem; }
.lightbox__close:hover { background: var(--burgundy); }
.lightbox__nav { top: 50%; transform: translateY(-50%); width: 54px; height: 54px; font-size: 2rem; line-height: 1; }
.lightbox__nav:hover { background: var(--gold); color: #1a1206; }
.lightbox__prev { left: 2vmin; }
.lightbox__next { right: 2vmin; }
@media (max-width: 600px) { .lightbox__nav { width: 44px; height: 44px; font-size: 1.5rem; } }

/* -----------------------------------------------------------------
   7e. STÜDYO KÜNYESİ + İLETİŞİM
   ----------------------------------------------------------------- */
.studio-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  margin-top: clamp(2.5rem, 6vw, 3.5rem);
  padding-top: 2rem;
  border-top: 1px solid var(--ink-line);
}
.studio-facts li { display: flex; flex-direction: column; gap: 0.25rem; }
.studio-facts__k { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); }
.studio-facts__v { color: var(--text); font-size: 1.02rem; }

.contact__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: clamp(2.5rem, 6vw, 4rem);
  align-items: start;
}
.contact__email {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.55rem);
  color: var(--gold-light);
  border: 1px solid var(--gold-deep);
  border-radius: var(--radius);
  padding: 1.1rem 1.5rem;
  transition: background var(--tr-fast), color var(--tr-fast), transform var(--tr-fast);
}
.contact__email:hover {
  background: linear-gradient(120deg, var(--gold), var(--gold-deep));
  color: #1a1206;
  transform: translateY(-2px);
}
.contact__note { margin-top: 1.2rem; color: var(--text-muted); }
.contact__sociallabel {
  display: block;
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.contact .social-row { margin-top: 0; }
@media (max-width: 760px) { .contact__grid { grid-template-columns: 1fr; } }

/* -----------------------------------------------------------------
   8. FOOTER
   ----------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--ink-line);
  padding-block: 3rem;
  background: var(--ink-soft);
}
.site-footer .container { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.site-footer .brand img { width: 34px; height: 34px; }
.site-footer small { color: var(--text-muted); font-size: 0.85rem; }

/* -----------------------------------------------------------------
   8a. FOOTER SOSYAL · YUKARI-ÇIK · KAYDIRMA ÇUBUĞU
   ----------------------------------------------------------------- */
.footer-social { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.footer-social a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--text-muted);
  border: 1px solid var(--ink-line);
  transition: color var(--tr-fast), border-color var(--tr-fast), transform var(--tr-fast);
}
.footer-social a:hover { color: var(--gold-light); border-color: var(--gold); transform: translateY(-2px); }

.to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 90;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--gold), var(--gold-deep));
  color: #1a1206;
  box-shadow: 0 10px 26px -8px rgba(0, 0, 0, 0.6);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity var(--tr), transform var(--tr), visibility var(--tr);
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top.show:hover { transform: translateY(-3px); }

/* Temalı kaydırma çubuğu */
html { scrollbar-color: var(--burgundy) var(--ink); scrollbar-width: thin; }
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--burgundy); border: 3px solid var(--ink); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-deep); }

/* -----------------------------------------------------------------
   8b. GİRİŞ ANİMASYONLARI (scroll-reveal)
   Yalnızca JS aktifse (.js) ve kullanıcı hareketi kapatmadıysa devreye girer.
   ----------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .js .hero__inner > * { animation: fadeUp 0.9s var(--ease) both; }
  .js .hero__inner > *:nth-child(2) { animation-delay: 0.12s; }
  .js .hero__inner > *:nth-child(3) { animation-delay: 0.24s; }
  .js .hero__inner > *:nth-child(4) { animation-delay: 0.36s; }

  .js .section .container > * {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  }
  .js .section.in .container > * { opacity: 1; transform: none; }
  .js .section.in .container > *:nth-child(2) { transition-delay: 0.07s; }
  .js .section.in .container > *:nth-child(3) { transition-delay: 0.14s; }
  .js .section.in .container > *:nth-child(4) { transition-delay: 0.21s; }
  .js .section.in .container > *:nth-child(5) { transition-delay: 0.28s; }
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }

/* -----------------------------------------------------------------
   9. DUYARLI (RESPONSIVE)
   ----------------------------------------------------------------- */
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(13, 11, 10, 0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--ink-line);
    transform: translateY(-120%);
    transition: transform var(--tr);
    padding: 1.5rem var(--gutter) 2rem;
  }
  .nav.open { transform: translateY(0); }
  .nav ul { flex-direction: column; gap: 0.5rem; }
  .nav a { display: block; padding-block: 0.8rem; font-size: 1.05rem; }
  .brand__name { font-size: 0.95rem; }
}