/* ==========================================================================
   DersTeders - Zengin Statik Sayfa Katmanı (sayfa.css)
   --------------------------------------------------------------------------
   Hakkımızda, İletişim, yasal metinler, kaynak ve konu sayfaları için ortak
   bileşenler. Marka paleti: petrol #0F6B7C, altın #C5923E.
   Renkler mevcut CSS değişkenlerinden okunur; yoksa marka tonlarına düşer.
   ========================================================================== */

:root {
  --dk-petrol: #0F6B7C;
  --dk-petrol-mid: #12879C;
  --dk-petrol-dark: #0A3D4A;
  --dk-gold: #C5923E;
  --dk-gold-bright: #F5C542;
  --dk-surface: var(--surface, #FFFFFF);
  --dk-surface-2: var(--surface-2, #F5F5F4);
  --dk-ink: var(--ink, #17150F);
  --dk-ink-2: var(--ink-2, #44403C);
  --dk-muted: var(--muted, #78716C);
  --dk-border: var(--border, #E7E5E4);
  --dk-accent: var(--accent, #0F6B7C);
  --dk-accent-light: var(--accent-light, #E3F1F4);
  --dk-radius: 16px;
  --dk-shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);
  --dk-shadow-md: 0 10px 30px -12px rgba(10, 61, 74, .28);
  --dk-ease: cubic-bezier(.22, .61, .36, 1);
}

[data-theme="dark"] {
  --dk-surface: var(--surface, #1C1917);
  --dk-surface-2: var(--surface-2, #292524);
  --dk-ink: var(--ink, #FAFAF9);
  --dk-ink-2: var(--ink-2, #D6D3D1);
  --dk-muted: var(--muted, #A8A29E);
  --dk-border: var(--border, #44403C);
  --dk-accent: var(--accent, #2AA3B8);
  --dk-accent-light: var(--accent-light, #0E2A33);
  --dk-shadow-md: 0 14px 34px -14px rgba(0, 0, 0, .6);
}

/* --------------------------------------------------------------------------
   Temel yerleşim
   -------------------------------------------------------------------------- */
.dk-wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.dk-narrow { max-width: 820px; margin: 0 auto; }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.dk-hero {
  position: relative;
  overflow: hidden;
  margin-top: 72px;
  padding: clamp(56px, 9vw, 104px) 0 clamp(48px, 7vw, 84px);
  background:
    radial-gradient(1200px 480px at 15% -10%, rgba(197, 146, 62, .16), transparent 60%),
    linear-gradient(135deg, var(--dk-petrol-dark) 0%, var(--dk-petrol) 60%, var(--dk-petrol-mid) 100%);
  color: #fff;
  text-align: center;
}
.dk-hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 75%);
  pointer-events: none;
}
.dk-hero-inner { position: relative; z-index: 1; }
.dk-hero h1 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  margin: 0 0 16px;
  color: #fff;
}
.dk-hero p {
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto;
  color: rgba(255, 255, 255, .86);
}
.dk-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: #FFF3DD;
  background: rgba(197, 146, 62, .22);
  border: 1px solid rgba(245, 197, 66, .45);
}
.dk-hero-actions {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
  margin-top: 30px;
}

/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */
.dk-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: .84rem;
  color: var(--dk-muted);
  margin: 22px 0 0;
}
.dk-crumbs a { color: var(--dk-accent); text-decoration: none; font-weight: 600; }
.dk-crumbs a:hover { text-decoration: underline; }
.dk-crumbs .sep { opacity: .45; }
.dk-crumbs [aria-current="page"] { color: var(--dk-ink-2); }

/* --------------------------------------------------------------------------
   Bölüm başlıkları
   -------------------------------------------------------------------------- */
.dk-section { padding: clamp(48px, 7vw, 84px) 0; }
.dk-section.alt { background: var(--dk-surface-2); }
.dk-head { text-align: center; max-width: 720px; margin: 0 auto clamp(32px, 5vw, 52px); }
.dk-eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--dk-gold);
  margin-bottom: 12px;
}
.dk-head h2 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  line-height: 1.18;
  color: var(--dk-ink);
  margin: 0 0 12px;
}
.dk-head p { color: var(--dk-ink-2); font-size: 1.03rem; line-height: 1.7; margin: 0; }
.dk-head .bar {
  width: 56px; height: 3px; border-radius: 2px; margin: 16px auto 0;
  background: linear-gradient(90deg, var(--dk-gold), var(--dk-gold-bright));
}

/* --------------------------------------------------------------------------
   Prose (yasal metinler / uzun okuma)
   -------------------------------------------------------------------------- */
.dk-prose { color: var(--dk-ink-2); line-height: 1.85; font-size: 1rem; }
.dk-prose > *:first-child { margin-top: 0; }
.dk-prose h2 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  font-size: 1.5rem;
  color: var(--dk-ink);
  margin: 2.4rem 0 .9rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--dk-border);
  scroll-margin-top: 96px;
}
.dk-prose h2::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--dk-gold);
  vertical-align: middle;
  transform: translateY(-3px);
}
.dk-prose h3 {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--dk-ink);
  margin: 1.6rem 0 .5rem;
}
.dk-prose p { margin: 0 0 1rem; }
.dk-prose a { color: var(--dk-accent); text-decoration: underline; text-underline-offset: 2px; }
.dk-prose a:hover { color: var(--dk-petrol-dark); }
.dk-prose ul, .dk-prose ol { margin: 0 0 1.2rem; padding-left: 1.3rem; }
.dk-prose li { margin-bottom: .5rem; }
.dk-prose ul li::marker { color: var(--dk-gold); }
.dk-prose strong { color: var(--dk-ink); font-weight: 700; }
.dk-prose blockquote {
  margin: 1.4rem 0;
  padding: 14px 20px;
  border-left: 4px solid var(--dk-gold);
  background: var(--dk-surface-2);
  border-radius: 0 12px 12px 0;
  color: var(--dk-ink-2);
}
.dk-prose table { width: 100%; border-collapse: collapse; margin: 1.4rem 0; font-size: .92rem; }
.dk-prose th, .dk-prose td { padding: .7rem .9rem; border: 1px solid var(--dk-border); text-align: left; }
.dk-prose th { background: var(--dk-surface-2); color: var(--dk-ink); font-weight: 600; }

/* --------------------------------------------------------------------------
   Doküman yerleşimi + içindekiler (TOC)
   -------------------------------------------------------------------------- */
.dk-layout {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.dk-toc {
  position: sticky;
  top: 96px;
  align-self: start;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding: 20px;
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: var(--dk-radius);
  box-shadow: var(--dk-shadow-sm);
}
.dk-toc h2 {
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--dk-muted);
  margin: 0 0 12px;
}
.dk-toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.dk-toc a {
  display: flex;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 9px;
  font-size: .86rem;
  line-height: 1.4;
  color: var(--dk-ink-2);
  text-decoration: none;
  transition: background .2s var(--dk-ease), color .2s var(--dk-ease);
}
.dk-toc a::before {
  counter-increment: toc;
  content: counter(toc) ".";
  color: var(--dk-gold);
  font-weight: 700;
  flex-shrink: 0;
}
.dk-toc a:hover { background: var(--dk-surface-2); color: var(--dk-accent); }
.dk-toc a.active { background: var(--dk-accent-light); color: var(--dk-accent); font-weight: 700; }
.dk-doc-card {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: var(--dk-radius);
  padding: clamp(24px, 4vw, 48px);
  box-shadow: var(--dk-shadow-sm);
}
.dk-updated {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  padding: 8px 14px;
  border-radius: 10px;
  background: var(--dk-surface-2);
  border: 1px solid var(--dk-border);
  font-size: .82rem;
  color: var(--dk-muted);
}

/* Yasal sayfalardaki eski .policy-content stillerini marka prose'una bağla.
   sayfa.css inline <style>'dan sonra yüklendiği için bu kurallar kazanır. */
.dk-prose.policy-content { max-width: none; margin: 0; line-height: 1.85; }
.dk-prose.policy-content h2 { font-size: 1.5rem; color: var(--dk-ink); border-bottom: 1px solid var(--dk-border); }
.dk-prose.policy-content p, .dk-prose.policy-content li { color: var(--dk-ink-2); font-size: 1rem; }
.dk-prose.policy-content table { font-size: .92rem; }
.dk-prose.policy-content th { background: var(--dk-surface-2); color: var(--dk-ink); }
.dk-prose.policy-content td { color: var(--dk-ink-2); }

/* Yasal sayfalara özgü bilgi kutuları (inline stil kaldırılsa da görünür kalsın) */
.dk-prose .warning-box,
.dk-prose .notice-box,
.dk-prose .revoke-section {
  margin: 1.4rem 0;
  padding: 16px 20px;
  border-radius: 12px;
  background: var(--dk-surface-2);
  border: 1px solid var(--dk-border);
  border-left: 4px solid var(--dk-gold);
}
.dk-prose .warning-box { border-left-color: #D64545; }
.dk-prose .notice-box { border-left-color: var(--dk-petrol); }
.dk-prose .revoke-section { border-left-color: var(--dk-accent); }
.dk-prose .warning-box h3,
.dk-prose .notice-box h3,
.dk-prose .revoke-section h3 { margin-top: 0; }

/* --------------------------------------------------------------------------
   İstatistik bandı
   -------------------------------------------------------------------------- */
.dk-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
}
.dk-stat {
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--dk-radius);
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  transition: transform .3s var(--dk-ease), box-shadow .3s var(--dk-ease), border-color .3s var(--dk-ease);
}
.dk-stat:hover { transform: translateY(-5px); box-shadow: var(--dk-shadow-md); border-color: var(--dk-accent); }
.dk-stat-icon { color: var(--dk-gold); margin-bottom: 10px; }
.dk-stat-num {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(2rem, 4vw, 2.6rem);
  line-height: 1;
  color: var(--dk-accent);
}
.dk-stat-label { margin-top: 8px; font-size: .88rem; color: var(--dk-muted); font-weight: 600; }

/* --------------------------------------------------------------------------
   Değer kartları
   -------------------------------------------------------------------------- */
.dk-values { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.dk-value {
  position: relative;
  padding: 28px 26px;
  border-radius: var(--dk-radius);
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  overflow: hidden;
  transition: transform .3s var(--dk-ease), box-shadow .3s var(--dk-ease);
}
.dk-value::before {
  content: "";
  position: absolute; inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--dk-gold), var(--dk-petrol));
}
.dk-value:hover { transform: translateY(-4px); box-shadow: var(--dk-shadow-md); }
.dk-value h3 { font-family: 'Instrument Serif', Georgia, serif; font-weight: 400; font-size: 1.2rem; color: var(--dk-ink); margin: 0 0 8px; }
.dk-value p { margin: 0; color: var(--dk-ink-2); font-size: .92rem; line-height: 1.65; }
.dk-value .dk-ico { color: var(--dk-petrol); margin-bottom: 12px; }

/* --------------------------------------------------------------------------
   Timeline
   -------------------------------------------------------------------------- */
.dk-timeline { position: relative; margin: 0; padding: 0 0 0 6px; list-style: none; }
.dk-timeline::before {
  content: "";
  position: absolute;
  left: 15px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--dk-gold), var(--dk-accent));
  opacity: .45;
}
.dk-tl-item { position: relative; padding: 0 0 30px 48px; }
.dk-tl-item:last-child { padding-bottom: 0; }
.dk-tl-dot {
  position: absolute;
  left: 4px; top: 2px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--dk-surface);
  border: 2px solid var(--dk-accent);
  display: grid; place-items: center;
  color: var(--dk-accent);
}
.dk-tl-year { font-family: 'Instrument Serif', Georgia, serif; font-size: 1.15rem; color: var(--dk-gold); }
.dk-tl-item h3 { font-size: 1.02rem; color: var(--dk-ink); margin: 2px 0 4px; }
.dk-tl-item p { margin: 0; color: var(--dk-ink-2); font-size: .92rem; line-height: 1.65; }

/* --------------------------------------------------------------------------
   Ekip
   -------------------------------------------------------------------------- */
.dk-team { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; }
.dk-member {
  text-align: center;
  padding: 30px 22px;
  border-radius: var(--dk-radius);
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  transition: transform .3s var(--dk-ease), box-shadow .3s var(--dk-ease), border-color .3s var(--dk-ease);
}
.dk-member:hover { transform: translateY(-5px); box-shadow: var(--dk-shadow-md); border-color: var(--dk-accent); }
.dk-avatar {
  width: 84px; height: 84px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.7rem;
  color: #fff;
  background: linear-gradient(135deg, var(--dk-petrol), var(--dk-petrol-mid));
  box-shadow: 0 0 0 4px var(--dk-accent-light);
}
.dk-member:nth-child(2n) .dk-avatar { background: linear-gradient(135deg, var(--dk-gold), #E0B15E); }
.dk-member:nth-child(3n) .dk-avatar { background: linear-gradient(135deg, #2E8B57, #4FB477); }
.dk-member h3 { font-size: 1.05rem; color: var(--dk-ink); margin: 0 0 4px; }
.dk-member .role { color: var(--dk-accent); font-weight: 600; font-size: .85rem; }
.dk-member p { margin: 10px 0 0; color: var(--dk-ink-2); font-size: .88rem; line-height: 1.6; }

/* --------------------------------------------------------------------------
   SSS akordeonu
   -------------------------------------------------------------------------- */
.dk-faq { display: grid; gap: 12px; max-width: 860px; margin: 0 auto; }
.dk-faq-item {
  border: 1px solid var(--dk-border);
  border-radius: 14px;
  background: var(--dk-surface);
  overflow: hidden;
  transition: border-color .25s var(--dk-ease), box-shadow .25s var(--dk-ease);
}
.dk-faq-item.open { border-color: var(--dk-accent); box-shadow: var(--dk-shadow-sm); }
.dk-faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dk-ink);
}
.dk-faq-q:hover { color: var(--dk-accent); }
.dk-faq-q .chev {
  flex-shrink: 0;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--dk-surface-2);
  color: var(--dk-accent);
  transition: transform .3s var(--dk-ease), background .3s var(--dk-ease);
}
.dk-faq-item.open .dk-faq-q .chev { transform: rotate(180deg); background: var(--dk-accent-light); }
.dk-faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .32s var(--dk-ease);
}
.dk-faq-item.open .dk-faq-a { grid-template-rows: 1fr; }
.dk-faq-a > div { overflow: hidden; }
.dk-faq-a p { margin: 0; padding: 0 22px 20px; color: var(--dk-ink-2); line-height: 1.7; font-size: .94rem; }

/* --------------------------------------------------------------------------
   İletişim
   -------------------------------------------------------------------------- */
.dk-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: 28px;
  align-items: start;
}
.dk-card {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: var(--dk-radius);
  padding: clamp(22px, 3vw, 34px);
  box-shadow: var(--dk-shadow-sm);
}
.dk-card h2 { font-family: 'Instrument Serif', Georgia, serif; font-weight: 400; font-size: 1.5rem; margin: 0 0 6px; color: var(--dk-ink); }
.dk-card .sub { color: var(--dk-muted); font-size: .92rem; margin: 0 0 22px; }
.dk-info-list { display: grid; gap: 14px; }
.dk-info-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 12px;
  background: var(--dk-surface-2);
  border: 1px solid var(--dk-border);
  transition: border-color .25s var(--dk-ease), transform .25s var(--dk-ease);
}
.dk-info-row:hover { border-color: var(--dk-accent); transform: translateX(3px); }
.dk-info-row .ico {
  flex-shrink: 0;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--dk-accent-light);
  color: var(--dk-accent);
}
.dk-info-row h3 { margin: 0 0 3px; font-size: .95rem; color: var(--dk-ink); }
.dk-info-row p, .dk-info-row a { margin: 0; font-size: .88rem; color: var(--dk-ink-2); line-height: 1.55; }
.dk-info-row a { color: var(--dk-accent); font-weight: 600; text-decoration: none; }
.dk-info-row a:hover { text-decoration: underline; }

.dk-form { display: grid; gap: 16px; }
.dk-field { display: grid; gap: 6px; }
.dk-field label { font-size: .86rem; font-weight: 600; color: var(--dk-ink-2); }
.dk-field .req { color: #D64545; }
.dk-input, .dk-select, .dk-textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 11px;
  border: 1.5px solid var(--dk-border);
  background: var(--dk-surface);
  color: var(--dk-ink);
  font-family: inherit;
  font-size: .95rem;
  transition: border-color .2s var(--dk-ease), box-shadow .2s var(--dk-ease);
}
.dk-textarea { min-height: 140px; resize: vertical; }
.dk-input:focus, .dk-select:focus, .dk-textarea:focus {
  outline: none;
  border-color: var(--dk-accent);
  box-shadow: 0 0 0 3px var(--dk-accent-light);
}
.dk-hint { font-size: .78rem; color: var(--dk-muted); }
.dk-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.dk-check { display: flex; gap: 10px; align-items: flex-start; font-size: .85rem; color: var(--dk-ink-2); line-height: 1.55; }
.dk-check input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--dk-accent); flex-shrink: 0; }
.dk-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.dk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 28px;
  border-radius: 12px;
  border: 1.5px solid transparent;
  background: linear-gradient(135deg, var(--dk-petrol) 0%, var(--dk-petrol-mid) 100%);
  color: #fff;
  font-family: inherit;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s var(--dk-ease), box-shadow .2s var(--dk-ease), filter .2s var(--dk-ease);
}
.dk-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(15, 107, 124, .32); filter: brightness(1.04); }
.dk-btn:disabled { opacity: .65; cursor: not-allowed; transform: none; box-shadow: none; }
.dk-btn.gold { background: linear-gradient(135deg, var(--dk-gold) 0%, #E0B15E 100%); color: #2A1F0D; }
.dk-btn.ghost { background: transparent; border-color: var(--dk-border); color: var(--dk-ink); }
.dk-btn.ghost:hover { border-color: var(--dk-accent); color: var(--dk-accent); box-shadow: none; }
.dk-alert {
  display: none;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 16px;
  border-radius: 11px;
  font-size: .88rem;
  line-height: 1.55;
  margin-bottom: 4px;
}
.dk-alert.show { display: flex; }
.dk-alert.ok { background: rgba(22, 163, 74, .12); color: #14713C; border: 1px solid rgba(22, 163, 74, .35); }
.dk-alert.err { background: rgba(214, 69, 69, .1); color: #B02A2A; border: 1px solid rgba(214, 69, 69, .35); }
[data-theme="dark"] .dk-alert.ok { color: #5FD08A; }
[data-theme="dark"] .dk-alert.err { color: #F19393; }
.dk-spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255, 255, 255, .45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: dk-spin .7s linear infinite;
}
@keyframes dk-spin { to { transform: rotate(360deg); } }

/* Sosyal medya */
.dk-social { display: flex; flex-wrap: wrap; gap: 10px; }
.dk-social a {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--dk-surface-2);
  border: 1px solid var(--dk-border);
  color: var(--dk-ink-2);
  transition: transform .25s var(--dk-ease), color .25s var(--dk-ease), border-color .25s var(--dk-ease), background .25s var(--dk-ease);
}
.dk-social a:hover { transform: translateY(-3px); color: #fff; background: var(--dk-petrol); border-color: var(--dk-petrol); }

/* Harita alanı */
.dk-map {
  position: relative;
  border-radius: var(--dk-radius);
  border: 1px solid var(--dk-border);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(15, 107, 124, .10), rgba(197, 146, 62, .10)),
    var(--dk-surface-2);
  min-height: 240px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 30px;
}
.dk-map::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--dk-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--dk-border) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: .35;
}
.dk-map-inner { position: relative; z-index: 1; }
.dk-map-inner .dk-ico { color: var(--dk-accent); margin-bottom: 10px; }
.dk-map-inner h3 { margin: 0 0 6px; color: var(--dk-ink); font-size: 1.05rem; }
.dk-map-inner p { margin: 0; color: var(--dk-ink-2); font-size: .88rem; }

/* --------------------------------------------------------------------------
   Görsel mockup galerisi
   -------------------------------------------------------------------------- */
.dk-mockups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}
.dk-shot {
  border-radius: var(--dk-radius);
  overflow: hidden;
  border: 1px solid var(--dk-border);
  background: var(--dk-surface);
  box-shadow: var(--dk-shadow-sm);
  transition: transform .35s var(--dk-ease), box-shadow .35s var(--dk-ease);
}
.dk-shot:hover { transform: translateY(-6px); box-shadow: var(--dk-shadow-md); }
.dk-shot img { display: block; width: 100%; height: auto; }
.dk-shot figcaption { padding: 12px 16px; font-size: .86rem; font-weight: 600; color: var(--dk-ink-2); border-top: 1px solid var(--dk-border); }

/* --------------------------------------------------------------------------
   Alt CTA
   -------------------------------------------------------------------------- */
.dk-cta {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  padding: clamp(32px, 5vw, 56px);
  text-align: center;
  color: #fff;
  background: linear-gradient(135deg, var(--dk-petrol-dark) 0%, var(--dk-petrol) 100%);
}
.dk-cta::before {
  content: "";
  position: absolute; top: -40%; right: -10%;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 197, 66, .3), transparent 70%);
}
.dk-cta h2 { position: relative; font-family: 'Instrument Serif', Georgia, serif; font-weight: 400; font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 12px; }
.dk-cta p { position: relative; max-width: 560px; margin: 0 auto 26px; color: rgba(255, 255, 255, .88); line-height: 1.7; }
.dk-cta .dk-hero-actions { position: relative; margin-top: 0; }

/* --------------------------------------------------------------------------
   Kaynak kartları (devre-kaynaklari uyumu)
   -------------------------------------------------------------------------- */
.dk-res-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.dk-res {
  padding: 24px;
  border-radius: var(--dk-radius);
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  transition: transform .3s var(--dk-ease), box-shadow .3s var(--dk-ease), border-color .3s var(--dk-ease);
}
.dk-res:hover { transform: translateY(-5px); box-shadow: var(--dk-shadow-md); border-color: var(--dk-accent); }
.dk-res .top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.dk-res h3 { font-size: 1.05rem; color: var(--dk-ink); margin: 0; }
.dk-res p { margin: 0 0 14px; color: var(--dk-ink-2); font-size: .9rem; line-height: 1.6; }
.dk-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  background: var(--dk-surface-2);
  border: 1px solid var(--dk-border);
  color: var(--dk-ink-2);
  margin: 0 6px 6px 0;
}
.dk-badge {
  padding: 4px 11px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  white-space: nowrap;
}
.dk-badge.easy { background: rgba(22, 163, 74, .14); color: #14713C; }
.dk-badge.medium { background: rgba(197, 146, 62, .18); color: #8A6318; }
.dk-badge.hard { background: rgba(214, 69, 69, .12); color: #B02A2A; }
.dk-badge.free { background: rgba(15, 107, 124, .14); color: var(--dk-petrol); }
[data-theme="dark"] .dk-badge.easy { color: #6FD08C; }
[data-theme="dark"] .dk-badge.medium { color: #E7C778; }
[data-theme="dark"] .dk-badge.hard { color: #F19393; }
[data-theme="dark"] .dk-badge.free { color: #6FD3E4; }
.dk-res .links { display: flex; flex-wrap: wrap; gap: 8px 16px; padding-top: 14px; border-top: 1px solid var(--dk-border); font-size: .85rem; }
.dk-res .links a { color: var(--dk-accent); font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.dk-res .links a:hover { text-decoration: underline; }

/* --------------------------------------------------------------------------
   Konu sayfası (konu.html) okunabilirlik katmanı
   -------------------------------------------------------------------------- */
.page-wrapper .topic-content {
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--dk-ink-2);
}
.page-wrapper .topic-content h2 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  font-size: 1.6rem;
  color: var(--dk-ink);
  margin: 2rem 0 .8rem;
}
.page-wrapper .topic-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--dk-ink);
  margin: 1.5rem 0 .5rem;
}
.page-wrapper .topic-content p { margin: 0 0 1rem; }
.page-wrapper .topic-content ul, .page-wrapper .topic-content ol { margin: 0 0 1.1rem; padding-left: 1.3rem; }
.page-wrapper .topic-content li { margin-bottom: .45rem; }
.page-wrapper .topic-content ul li::marker { color: var(--dk-gold); }
.page-wrapper .topic-content strong { color: var(--dk-ink); }
.page-wrapper .topic-content a { color: var(--dk-accent); text-decoration: underline; text-underline-offset: 2px; }
.page-wrapper .topic-content blockquote {
  margin: 1.2rem 0; padding: 12px 18px;
  border-left: 4px solid var(--dk-gold);
  background: var(--dk-surface-2);
  border-radius: 0 10px 10px 0;
}
.page-wrapper .topic-content table { width: 100%; border-collapse: collapse; margin: 1.2rem 0; }
.page-wrapper .topic-content th, .page-wrapper .topic-content td { border: 1px solid var(--dk-border); padding: .6rem .8rem; }

/* Okuma ilerleme çubuğu */
.dk-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px; width: 0;
  z-index: 2000;
  background: linear-gradient(90deg, var(--dk-gold), var(--dk-petrol-mid));
  transition: width .1s linear;
}

/* --------------------------------------------------------------------------
   Scroll reveal
   -------------------------------------------------------------------------- */
.dk-reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s var(--dk-ease), transform .6s var(--dk-ease); }
.dk-reveal.in { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   Duyarlılık
   -------------------------------------------------------------------------- */
@media (max-width: 980px) {
  .dk-layout { grid-template-columns: 1fr; gap: 24px; }
  .dk-toc { position: static; max-height: none; }
  .dk-contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .dk-wrap, .dk-layout { padding-left: 16px; padding-right: 16px; }
  .dk-row { grid-template-columns: 1fr; }
  .dk-hero { margin-top: 64px; }
  .dk-btn { width: 100%; }
  .dk-hero-actions { flex-direction: column; }
  .dk-hero-actions .dk-btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .dk-reveal { opacity: 1; transform: none; }
  .dk-stat:hover, .dk-value:hover, .dk-member:hover, .dk-shot:hover, .dk-res:hover, .dk-btn:hover, .dk-social a:hover { transform: none; }
}