/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{ scroll-behavior:smooth }
:root{
  --bg:#0b0c0e; --fg:#e8e8ea; --muted:#9aa0a6; --card:#121418; --line:#23262b; --link:#8ab4f8;
  --accent:#7c3aed; --accent-contrast:#ffffff; --shadow:0 12px 40px rgba(0,0,0,.35);
  --radius:16px; --radius-sm:12px; --radius-lg:24px
}
:root.dark{ /* keep same palette in dark root for consistency */ }
:root:not(.dark){
  --bg:#f8fafc; --fg:#0f172a; --muted:#64748b; --card:#ffffff; --line:#e2e8f0; --link:#2563eb;
  --accent:#111827; --accent-contrast:#ffffff; --shadow:0 8px 30px rgba(2,6,23,.10)
}
body{
  background:var(--bg); color:var(--fg);
  font:16px/1.6 Manrope,system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;
  text-rendering:optimizeLegibility; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  min-height:100dvh; position:relative; overflow-x:hidden
}
/* decorative background blobs */
body::before,body::after{
  content:""; position:fixed; inset:auto; width:520px; height:520px; filter:blur(80px); opacity:.25; z-index:-1; border-radius:50%;
  background:radial-gradient(ellipse at center, #7c3aed, transparent 60%)
}
body::before{ top:-120px; left:-120px }
body::after{ bottom:-120px; right:-120px; background:radial-gradient(ellipse at center, #22c55e, transparent 60%) }

/* selection */
::selection{ background:#7c3aed; color:#fff }
img,video{max-width:100%; height:auto; display:block; border-radius:12px}

/* ===== Homepage grid background wrapper ===== */
.bg-grid{ position:relative; z-index:0 }
.bg-grid::before{
  content:""; position:absolute; inset:-24px; z-index:-1; pointer-events:none;
  opacity:.18;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--line) 80%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--line) 80%, transparent) 1px, transparent 1px),
    linear-gradient(to right, color-mix(in srgb, var(--line) 95%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--line) 95%, transparent) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
  background-position: 0 0, 0 0, 0 0, 0 0;
  animation: gridDrift 30s linear infinite;
}

@keyframes gridDrift{
  0%   { background-position: 0 0, 0 0, 0 0, 0 0 }
  50%  { background-position: 24px 24px, 24px 24px, 120px 120px, 120px 120px }
  100% { background-position: 0 0, 0 0, 0 0, 0 0 }
}

/* ===== Layout ===== */
.container{max-width:1080px; margin:0 auto; padding:24px}
header{position:sticky; top:0; z-index:50; background:color-mix(in srgb, var(--bg) 80%, transparent); border-bottom:1px solid var(--line); backdrop-filter:saturate(180%) blur(8px)}
.page-transition{ position:fixed; inset:0; background:var(--bg); z-index:70; pointer-events:none; opacity:0; transition:opacity .12s ease }
body.leaving .page-transition{ opacity:1 }
.scrollbar{position:fixed; inset:0 auto auto 0; height:3px; width:0; background:linear-gradient(90deg,#7c3aed,#22c55e); z-index:60}
.nav{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 24px}
.brand{font-weight:900; letter-spacing:.2px; font-size:18px}
.menu{display:flex; align-items:center; gap:4px}
.menu a{position:relative; color:var(--fg); text-decoration:none; padding:10px 12px; border-radius:10px; transition:color .15s ease, background .15s ease}
.menu a::after{content:""; position:absolute; left:12px; right:12px; bottom:6px; height:2px; border-radius:999px; background:linear-gradient(90deg,#7c3aed,#22c55e); transform:scaleX(0); transform-origin:left; transition:transform .18s ease}
.menu a:hover{color:var(--link); background:color-mix(in srgb,var(--card) 70%,transparent)}
.menu a:hover::after,.menu a.active::after{ transform:scaleX(1) }
footer{border-top:1px solid var(--line); padding:28px 24px; margin-top:56px}
.social{ display:inline-flex; align-items:center; justify-content:center; width:30px; height:30px; border:1px solid var(--line); border-radius:8px; color:var(--muted); text-decoration:none; transition:.2s ease }
.social svg{ width:16px; height:16px; display:block }
.social:hover{ color:var(--fg); transform:translateY(-1px) }

/* ===== Components ===== */
.btn{display:inline-flex; align-items:center; gap:8px; padding:12px 16px; border-radius:var(--radius-sm); border:1px solid var(--line); background:transparent; color:var(--fg); cursor:pointer; transition:transform .2s ease, box-shadow .25s ease, background .25s ease}
.btn:hover{transform:translateY(-1px); box-shadow:var(--shadow)}
.btn.primary{background:linear-gradient(135deg,#7c3aed,#22c55e); color:var(--accent-contrast); border-color:transparent}
.btn.ghost{background:transparent}
.toggle{cursor:pointer}
/* Ripple effect */
.btn, .chip, a.card, a.card-link{ position:relative; overflow:hidden }
.ripple{ position:absolute; border-radius:9999px; background: color-mix(in srgb, var(--link) 60%, transparent); transform: scale(0); opacity:.35; pointer-events:none; animation:ripple .4s ease-out forwards }
@keyframes ripple{ to{ transform: scale(5); opacity:0 } }
/* Theme toggle spin */
#themeToggle.spin{ animation: spin .3s ease }
@keyframes spin{ to{ transform: rotate(180deg) } }

.card{background:color-mix(in srgb, var(--card) 90%, transparent); border:1px solid var(--line); border-radius:var(--radius); padding:16px; box-shadow:var(--shadow); transition:transform .2s ease, box-shadow .25s ease, border-color .2s ease}
.card:hover{transform:translateY(-2px); border-color:color-mix(in srgb, var(--line) 50%, var(--link) 50%)}
.card-link{ display:block; color:var(--fg-strong); text-decoration:none }
.card-link:focus-visible{ outline:2px solid color-mix(in srgb, var(--link) 60%, transparent); outline-offset:2px }
.card.nav{position:relative; overflow:hidden}
.card.nav::after{content:'→'; position:absolute; right:14px; bottom:12px; color:var(--muted); transition:transform .2s ease; font-weight:800}
.card.nav:hover::after{ transform:translateX(4px) }

/* media cards */
.card.media{padding:0; overflow:hidden}
.card.media .thumb{overflow:hidden; background:#0b0c0e; position:relative; display:flex; align-items:center; justify-content:center}
.card.media.gallery{ display:flex; flex-direction:column }
.card.media.gallery .thumb{ background:color-mix(in srgb, var(--card) 92%, transparent); border-bottom:1px solid var(--line); aspect-ratio:2/3; width:100% }
.card.media .thumb::after{display:none}
.card.media img{width:100%; height:auto; object-fit:contain; transition:transform .35s ease}
.card.media.gallery img{ width:100%; height:100% }
.card.media:hover img{ transform:scale(1.02) }
.card.media .meta{ padding:12px 14px }
.btn.small{ padding:8px 10px; font-size:.9rem }
/* Hover caption on poster */
.card.media .caption{ position:absolute; left:0; right:0; bottom:0; padding:8px 10px; color:#fff; background:linear-gradient(to top, rgba(0,0,0,.45), rgba(0,0,0,0)); opacity:0; transform:translateY(6px); transition:.3s ease }
.card.media:hover .caption{ opacity:1; transform:none }
/* Masonry toggle: remove fixed aspect ratio */
/* Masonry toggle removed */
.grid{display:grid; gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:1024px){.grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.grid.cols-3{grid-template-columns:1fr}}

.pill{display:inline-block; padding:6px 10px; border:1px solid var(--line); border-radius:999px; font-size:.85rem; color:var(--muted)}
.badge{display:inline-block; padding:2px 8px; border:1px solid var(--line); border-radius:999px; font-size:.78rem; color:var(--muted)}
.muted{color:var(--muted)}
hr{border:0; border-top:1px solid var(--line); margin:24px 0}

/* ===== Typography / Prose ===== */
h1,h2,h3{line-height:1.15; margin:10px 0 12px}
h1{font-size:clamp(30px,4.5vw,42px); font-weight:900; letter-spacing:-.02em}
h2{font-size:clamp(22px,3vw,28px); font-weight:800; letter-spacing:-.01em; margin-top:28px}
h3{font-size:18px; font-weight:800}
code, pre{ font-family:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace }
.gradient-text{ background:linear-gradient(90deg,#7c3aed,#22c55e); -webkit-background-clip:text; background-clip:text; color:transparent; -webkit-text-fill-color: transparent }
/* animated gradient for headings */
.gradient-flow{
  background-image: linear-gradient(90deg, #7c3aed 0%, #22c55e 50%, #7c3aed 100%);
  background-size: 200% 200%;
  animation: gradientShift 12s ease-in-out infinite;
  will-change: background-position;
}
@keyframes gradientShift{
  0%{ background-position: 0% 50% }
  50%{ background-position: 100% 50% }
  100%{ background-position: 0% 50% }
}
p{margin:10px 0}
a{color:var(--link)}
blockquote{margin:16px 0; padding:10px 14px; border-left:3px solid var(--line); background:color-mix(in srgb,var(--card) 70%,transparent); border-radius:8px}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace; font-size:.95em; background:color-mix(in srgb,var(--card) 70%,transparent); padding:2px 6px; border-radius:6px}

/* ===== Media helpers ===== */
.video{position:relative; padding-bottom:56.25%; height:0; overflow:hidden; border-radius:12px; background:#000}
.video iframe{position:absolute; inset:0; width:100%; height:100%; border:0}

/* ===== Utilities ===== */
.row{display:flex; align-items:center; gap:10px}
.center{text-align:center}
.mt-2{margin-top:8px} .mt-3{margin-top:12px} .mt-4{margin-top:16px} .mt-6{margin-top:24px}

/* ===== Hero ===== */
.hero{display:grid; grid-template-columns:1.2fr .8fr; gap:28px; align-items:center; margin:8px 0 30px}
.hero .title{font-size:clamp(34px,6vw,56px); line-height:1.24; font-weight:900; letter-spacing:-.02em; display:inline-block; margin-bottom:16px; padding-bottom:4px; position:relative; z-index:1}
.hero .subtitle{margin-top:6px; position:relative; z-index:0}
.hero .subtitle{color:var(--muted); font-size:1.05rem}
.hero .cta{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px}
@media (max-width:900px){.hero{grid-template-columns:1fr}}

/* ===== Reveal animation ===== */
.reveal{opacity:0; transform:translateY(8px); animation:reveal .4s ease forwards}
.reveal.delay-1{animation-delay:.08s}
.reveal.delay-2{animation-delay:.16s}
@keyframes reveal{to{opacity:1; transform:none}}

/* ===== Page head ===== */
.page-head{ display:flex; align-items:center; gap:10px; margin:8px 0 16px }
.page-head .page-title{ margin:0; font-weight:900 }
.back{ display:inline-flex; align-items:center; justify-content:center }
.back.icon{ width:36px; height:36px; border-radius:999px; color:var(--muted); border:0; background:transparent; text-decoration:none; transition:background .2s ease, color .2s ease }
.back.icon:hover{ background:color-mix(in srgb, var(--card) 80%, transparent); color:var(--fg) }
.back.icon:focus-visible{ outline:2px solid color-mix(in srgb, var(--link) 60%, transparent); outline-offset:2px }
/* ===== Columns shortcode ===== */
.cols{ display:grid; gap:12px }
.cols-2{ grid-template-columns: repeat(2, minmax(0,1fr)) }
.cols-3{ grid-template-columns: repeat(3, minmax(0,1fr)) }
@media (max-width:900px){ .cols-3{ grid-template-columns: repeat(2, minmax(0,1fr)) } }
@media (max-width:640px){ .cols-2, .cols-3{ grid-template-columns: 1fr } }

/* ===== Skills (3×3 kare düzen, küçük kartlar) ===== */
.skills-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
}
.skill{
  height:120px;                    /* kareye yakın küçük kart */
  display:flex; flex-direction:column; justify-content:space-between;
}
.skill strong{font-size:.95rem; font-weight:700}
.skill .badge{font-size:.8rem; border:1px solid var(--line); border-radius:999px; padding:2px 8px; color:var(--muted)}
.progress{margin-top:6px; height:8px; background:var(--line); border-radius:999px; overflow:hidden}
.progress>span{
  display:block; height:100%; width:var(--val,0%);
  background:linear-gradient(90deg,#4f46e5,#22c55e);
  transition:width .4s ease;
}
@media (max-width:1024px){.skills-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.skills-grid{grid-template-columns:1fr}}
/* === Link görünümü: alt çizgi yok, biraz daha koyu ton === */
:root{ --fg-strong: color-mix(in srgb, var(--fg) 70%, #000 30%); }
:root.dark{ --fg-strong: color-mix(in srgb, var(--fg) 80%, #fff 20%); }

/* Genel: alt çizgi kaldır, hover'da çok hafif ton farkı */
a { text-decoration: none; color: var(--link); }
.card a, .prose a, .post-title a { color: var(--fg-strong); }
.card a:hover, .prose a:hover, .post-title a:hover {
  color: color-mix(in srgb, var(--fg-strong) 85%, var(--link) 15%);
}

/* Blog liste ve tekil sayfa iyileştirmeleri */
.blog-list .card { padding: 18px; }
.post-title { margin: 6px 0 8px; font-weight: 900; }
.post-meta { display:flex; flex-wrap:wrap; gap:10px; color: var(--muted); font-size:.9rem; margin-bottom: 12px; }
.tag { font-size:.8rem; border:1px solid var(--line); border-radius:999px; padding:2px 8px; color:var(--muted) }

/* Toolbar + chips */
.toolbar{ display:flex; align-items:center; justify-content:space-between; gap:10px; margin:8px 0 14px }
.toolbar.sticky{ position:sticky; top:60px; z-index:40; background:color-mix(in srgb, var(--bg) 85%, transparent); padding:6px 0; border-bottom:1px solid var(--line); backdrop-filter:saturate(160%) blur(6px) }
.chips{ display:flex; flex-wrap:wrap; gap:8px }
.chip{ display:inline-flex; align-items:center; padding:6px 10px; border:1px solid var(--line); border-radius:999px; color:var(--muted); text-decoration:none; transition:background .2s ease, color .2s ease, border-color .2s ease }
.chip:hover{ background:color-mix(in srgb, var(--card) 80%, transparent); color:var(--fg) }
.chip.active{ border-color:color-mix(in srgb, var(--link) 60%, var(--line)); color:var(--fg) }

/* Blog cards with optional cover */
.card.post{ padding:0; overflow:hidden }
.card.post .thumb{ aspect-ratio:16/9; background:color-mix(in srgb, var(--card) 90%, transparent); border-bottom:1px solid var(--line); display:flex; align-items:center; justify-content:center }
.card.post .thumb img{ width:100%; height:100%; object-fit:cover }
.card.post .meta{ padding:14px }
.card.post .readmore{ margin-top:6px; color:var(--fg-strong); opacity:.7 }
.card.post:hover .readmore{ opacity:1 }

/* Tekil yazı stilleri */
.article-wrap { background: var(--card); border:1px solid var(--line); border-radius:16px; padding:22px; box-shadow: var(--shadow); }
.article-accent { height: 4px; border-radius: 999px; margin: -4px 0 16px;
  background: linear-gradient(90deg, #4f46e5 0%, #22c55e 100%); opacity:.9; }
.article-title { font-size: clamp(26px, 4vw, 38px); line-height:1.15; margin: 4px 0 4px; font-weight: 900; color: var(--fg-strong); }

.prose { line-height: 1.75; }
.prose p { margin: 12px 0; }
.prose h2 { margin-top: 24px; margin-bottom: 8px; color: var(--fg-strong); }
.prose h3 { margin-top: 18px; margin-bottom: 6px; color: var(--fg-strong); }
.prose h2,.prose h3{ position:relative }
.prose .anchor{ margin-left:8px; font-size:.85em; color:var(--muted); opacity:.6; text-decoration:none }
.prose .anchor:hover{ opacity:1 }
.prose blockquote {
  margin:16px 0; padding:12px 14px; border-left:3px solid #4f46e5;
  background: color-mix(in srgb, var(--card) 75%, transparent);
  border-radius: 10px;
}
.prose pre, .prose code {
  background: color-mix(in srgb, var(--card) 80%, transparent);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.prose pre { padding: 12px; overflow:auto; }
.prose code { padding: 2px 6px; }

/* Simple TOC */
.toc.simple{ padding:12px; border-radius:12px }
.toc.simple nav ul{ list-style:none; padding:0; margin:8px 0 0; display:flex; flex-direction:column; gap:6px }
.toc.simple a{ color:var(--fg-strong); text-decoration:none }
.toc.simple a:hover{ color:var(--link) }

/* Ayraçlar */
.hr-soft { border:0; height:1px; background: var(--line); margin:20px 0; }

.center { text-align: center }
section.card.center { max-width:480px; margin:150px auto }
.contact-cv-btn {
  margin-top: 35px;   /* istediğin px değerini ayarlayabilirsin */
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important }
}

/* ===== Lightbox ===== */
.lightbox{ position:fixed; inset:0; display:grid; place-items:center; z-index:100; }
.lightbox.hidden{ display:none }
.lightbox-backdrop{ position:absolute; inset:0; background:rgba(0,0,0,.7); backdrop-filter: blur(4px) }
.lightbox-img{ position:relative; width:92vw; height:92vh; object-fit:contain; border-radius:12px; box-shadow: var(--shadow); }
.lb-ctrl{ position:absolute; z-index:2; display:grid; place-items:center; width:40px; height:40px; border-radius:999px; border:0; background:color-mix(in srgb, var(--card) 80%, transparent); color:#fff; cursor:pointer }
.lb-prev{ left:12px; top:50%; transform:translateY(-50%); font-size:24px }
.lb-next{ right:12px; top:50%; transform:translateY(-50%); font-size:24px }
.lb-open{ right:12px; top:12px; width:36px; height:36px; text-decoration:none }
.lb-ctrl:hover{ background:rgba(255,255,255,.15) }

/* Prevent page scroll when lightbox open */
body.noscroll{ overflow:hidden }