/* ==========================================================
   Site geneli: yazı tipi değişkenleri, ön yükleyici, bildirimler,
   detay sayfaları, 404/500. (Kurumsal ve Klasik tema CSS'lerinden bağımsızdır.)
   ========================================================== */

:root {
  --font-geist-sans: 'Geist', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-geist-mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* JavaScript kapalıysa ön yükleyiciyi hiç gösterme */
html:not(.js) .preloader { display: none; }
.preloader.gone { display: none; }

/* Tema anahtarı simgeleri */
[data-theme-toggle] .icon-sun { display: none; }
:root[data-theme="dark"] [data-theme-toggle] .icon-moon { display: none; }
:root[data-theme="dark"] [data-theme-toggle] .icon-sun { display: inline; }

/* Kurumsal tema: mobil menü simgeleri */
.corp-burger .icon-close { display: none; }
.corp-burger[aria-expanded="true"] .icon-open { display: none; }
.corp-burger[aria-expanded="true"] .icon-close { display: inline; }

/* Bot tuzağı alanı (insanlara görünmez) */
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Klasik tema kabuğu */
[data-site-theme="classic"] { display: contents; }

/* ---------- Bildirimler (toast) ---------- */
.toasts { position: fixed; top: 16px; right: 16px; z-index: 10000; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.toast {
  display: flex; align-items: center; gap: 10px; max-width: 360px;
  padding: 12px 16px; border-radius: 8px; font-size: 0.95rem; line-height: 1.4;
  background: var(--bg-secondary, #fff); color: var(--text-primary, #111);
  border: 1px solid var(--border-color, #ddd); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  animation: toastIn 0.25s ease-out both; pointer-events: auto;
}
.toast::before { content: ''; flex: 0 0 18px; height: 18px; border-radius: 50%; background: #10b981; }
.toast.error::before { background: #ef4444; }
.toast.out { animation: toastOut 0.25s ease-in both; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes toastOut { to { opacity: 0; transform: translateY(-8px); } }
.corp-btn[disabled], .cl-submit[disabled] { opacity: 0.7; cursor: not-allowed; }

/* ---------- Blog yazısı ---------- */
.post-page { min-height: 100vh; padding: 3rem 0 6rem; }
.post-container { max-width: 800px; }
.post-back { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 2.5rem; transition: color 0.2s ease; }
.post-back:hover { color: var(--text-primary); }
.post-cover { width: 100%; height: 400px; border-radius: var(--radius-md); overflow: hidden; margin-bottom: 2.5rem; }
.post-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.post-title { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; color: var(--text-primary); margin-bottom: 1rem; }
.corp .post-title { font-family: var(--serif); font-weight: 500; letter-spacing: -0.02em; }
.post-meta { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 3rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border-color); }
.post-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.post-tags span { padding: 0.2rem 0.6rem; background: var(--bg-secondary); border: 1px solid var(--border-color); color: var(--text-secondary); border-radius: 4px; font-size: 0.8rem; }
.post-excerpt { font-size: 1.2rem; line-height: 1.7; color: var(--text-secondary); margin-bottom: 2rem; font-style: italic; border-left: 3px solid var(--accent-color); padding-left: 1.25rem; }
.post-content { font-size: 1.05rem; line-height: 1.8; color: var(--text-primary); white-space: pre-wrap; overflow-wrap: anywhere; }
@media (max-width: 600px) { .post-cover { height: 220px; } }

/* ---------- Proje detay ---------- */
.project-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 1rem; }
.project-tags span { padding: 0.3rem 0.8rem; background: var(--accent-color); color: #fff; border-radius: 20px; font-size: 0.85rem; font-weight: 500; }
.project-description p { white-space: pre-wrap; overflow-wrap: anywhere; }

/* ---------- 404 / 500 ---------- */
.nf-body { margin: 0; font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; }
.nf {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 100vh; background: #050505; color: #f3f4f6; padding: 20px; text-align: center;
  position: relative; overflow: hidden;
}
.nf-glow { position: absolute; top: 50%; left: 50%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(53, 169, 118, 0.15) 0%, rgba(0, 0, 0, 0) 70%); transform: translate(-50%, -50%); pointer-events: none; }
.nf-inner { position: relative; z-index: 1; }
.nf-code { font-size: 120px; font-weight: 800; margin: 0; background: linear-gradient(135deg, #8fdcb8 0%, #35a976 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; letter-spacing: -2px; }
.nf-title { font-size: 24px; font-weight: 600; margin: 20px 0 16px; color: #e5e7eb; }
.nf-text { font-size: 16px; color: #9ca3af; max-width: 400px; margin: 0 auto 40px; line-height: 1.6; }
.nf-btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; background: #35a976; color: #fff; text-decoration: none; border-radius: 8px; font-weight: 600; font-size: 15px; transition: all 0.2s ease; box-shadow: 0 4px 14px 0 rgba(53, 169, 118, 0.39); }
.nf-btn:hover { background: #2a8d61; transform: translateY(-2px); box-shadow: 0 6px 20px 0 rgba(53, 169, 118, 0.39); }

/* ---------- Dil menüsü ---------- */
.lang-menu { position: relative; }
.lang-menu summary { list-style: none; display: inline-flex; align-items: center; gap: 0.35rem; height: 36px; padding: 0 0.65rem; border: 1px solid var(--border-color); border-radius: var(--radius-sm); color: var(--text-secondary); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; cursor: pointer; user-select: none; transition: color 160ms ease, border-color 160ms ease; }
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary:hover, .lang-menu[open] summary { color: var(--text-primary); border-color: var(--border-strong, var(--text-muted)); }
.lang-menu ul { list-style: none; position: absolute; right: 0; top: calc(100% + 6px); min-width: 150px; margin: 0; padding: 0.35rem; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-sm); box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18); z-index: 70; }
.lang-menu li a { display: block; padding: 0.5rem 0.7rem; border-radius: 4px; font-size: 0.9rem; color: var(--text-secondary); }
.lang-menu li a:hover { background: var(--bg-color); color: var(--text-primary); }
.lang-menu li a.current { color: var(--accent-color); font-weight: 600; }
.cl-nav .lang-menu summary { border-radius: 999px; }
@media (max-width: 760px) { .corp-tools { gap: 0.4rem; } }

/* ---------- Blog listesi ve sayfalama ---------- */
.corp-head h1 { margin-top: 1.1rem; font-size: clamp(2rem, 3.9vw, 3.1rem); font-weight: 500; letter-spacing: -0.022em; line-height: 1.08; max-width: 18ch; }
.corp-more { margin-top: 2rem; }
.cl-more { margin-top: 1rem; }
.cl-bloglist { padding-top: 4rem; }
.cl-post-h { font-size: 1.25rem; margin-bottom: 0.75rem; color: var(--text-primary); font-weight: 600; }

.pager { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 0.75rem; margin-top: 3rem; }
.pager-nums { list-style: none; display: flex; align-items: center; gap: 0.35rem; margin: 0; padding: 0; }
.pager-nums .gap { padding: 0 0.35rem; color: var(--text-muted); }
.pager-num, .pager-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 0.9rem; border: 1px solid var(--border-color); border-radius: var(--radius-sm); background: var(--bg-secondary); color: var(--text-secondary); font-size: 0.92rem; font-weight: 500; transition: color 160ms ease, border-color 160ms ease, background 160ms ease; }
a.pager-num:hover, a.pager-btn:hover { color: var(--text-primary); border-color: var(--accent-color); }
.pager-num.current { background: var(--accent-color); border-color: var(--accent-color); color: #fff; }
.pager-btn.disabled { opacity: 0.45; cursor: default; }
@media (max-width: 560px) { .pager { gap: 0.5rem; } .pager-btn { padding: 0 0.7rem; } .pager-nums { order: 3; width: 100%; justify-content: center; } }