/* =========================================================
   Vedat Kandemir — ortak stil dosyası
   Tüm sayfalar (ana sayfa, makaleler, makale-XX.html, 404)
   bu tek dosyayı kullanır. Renk/tipografi değişikliği
   sadece burada yapılır.
   ========================================================= */

:root{
  --ink:#161d24;
  --ink-soft:#1f2932;
  --paper:#ede7d8;
  --teal:#6fa88f;
  --brick:#c1452e;
  --bg:#f7f3e7;
  --surface:var(--paper);
  --surface-2:#ffffff;
  --text:var(--ink-soft);
  --text-dim:#5a5142;
  --muted-warm:#6b6149;
  --teal-text:#3d7a63;
  --hairline-rgb:31,41,50;
  --nav-bg:rgba(247,243,231,.86);
  --font-display:"Bricolage Grotesque",system-ui,sans-serif;
  --font-serif:"Source Serif 4",Georgia,serif;
  --font-mono:"IBM Plex Mono","SFMono-Regular",monospace;
  --container:72rem;
  --nav-h:4.5rem;
}
[data-theme="dark"]{
  --bg:#161d24;
  --surface:#1f2932;
  --surface-2:#1f2932;
  --text:#ede7d8;
  --text-dim:#cfc6b2;
  --muted-warm:#9d927a;
  --teal-text:#6fa88f;
  --hairline-rgb:157,146,122;
  --nav-bg:rgba(22,29,36,.86);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}
body{
  background:var(--bg);color:var(--text);
  font-family:var(--font-serif);font-size:1.0625rem;line-height:1.7;
  -webkit-font-smoothing:antialiased;
  transition:background-color .3s ease,color .3s ease;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
section{scroll-margin-top:var(--nav-h);}
.container{max-width:var(--container);margin-inline:auto;padding-inline:1.5rem;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- Okuma ilerleme çubuğu ---------- */
.progress-track{position:fixed;top:0;left:0;right:0;height:3px;background:rgba(var(--hairline-rgb),.15);z-index:60;}
.progress-fill{height:100%;width:0%;background:var(--brick);}

/* ---------- Navigasyon ---------- */
.nav{
  position:sticky;top:0;z-index:50;height:var(--nav-h);
  background:var(--nav-bg);backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(var(--hairline-rgb),.22);
  transition:background-color .3s ease,border-color .3s ease;
}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:100%;gap:1.25rem;}
.nav__brand{display:flex;align-items:center;gap:.7rem;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;}
.nav__links{display:flex;gap:1.6rem;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;overflow-x:auto;scrollbar-width:none;}
.nav__links::-webkit-scrollbar{display:none;}
.nav__links a{position:relative;padding-bottom:.4rem;color:var(--muted-warm);white-space:nowrap;transition:color .2s ease;}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--teal);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav__links a:hover,.nav__links a.is-active{color:var(--text);}
.nav__links a:hover::after,.nav__links a.is-active::after{transform:scaleX(1);}
.nav__links a.is-external::after{background:var(--brick);}
.ext-mark{font-size:.85em;opacity:.65;margin-left:.15em;}

.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;flex-shrink:0;border:1px solid rgba(var(--hairline-rgb),.3);border-radius:999px;background:transparent;color:var(--text);cursor:pointer;transition:border-color .2s ease,color .2s ease;}
.theme-toggle:hover{border-color:var(--teal-text);color:var(--teal-text);}
.theme-toggle svg{width:1.05rem;height:1.05rem;}
.icon-sun{display:none;}
[data-theme="dark"] .icon-sun{display:block;}
[data-theme="dark"] .icon-moon{display:none;}

/* ---------- Mühür ---------- */
.seal-ring{transform-origin:120px 120px;animation:spin 100s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
@media(prefers-reduced-motion:reduce){.seal-ring{animation:none;}}
.seal-outline{fill:none;stroke:rgba(var(--hairline-rgb),.3);stroke-width:1;}
.seal-ring-text{font-family:var(--font-mono);font-size:8px;letter-spacing:.3em;fill:var(--muted-warm);text-transform:uppercase;}
.seal-circle{fill:none;stroke-width:1.25;}
.seal-circle--media{stroke:var(--teal);}
.seal-circle--siyaset{stroke:var(--brick);}
.seal-monogram{font-family:var(--font-display);font-weight:800;font-size:28px;fill:var(--text);}
.seal-label{font-family:var(--font-mono);font-size:8.5px;letter-spacing:.16em;text-transform:uppercase;}
.seal-label--media{fill:var(--teal);}
.seal-label--siyaset{fill:var(--brick);}
.seal-mini{width:2.1rem;height:2.1rem;flex-shrink:0;}
.seal-mini .seal-circle{stroke-width:1.5;}
.seal-monogram--mini{font-family:var(--font-display);font-weight:800;font-size:11px;fill:var(--text);}

/* ---------- Ortak parçalar ---------- */
.eyebrow{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-warm);margin-bottom:1rem;}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .65s ease,transform .65s ease;}
.reveal.is-visible{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}}

.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.75rem 1.4rem;border-radius:.3rem;border:1px solid var(--muted-warm);color:var(--text);
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn:hover{border-color:var(--teal-text);color:var(--teal-text);}
.btn--primary{background:var(--brick);border-color:var(--brick);color:var(--paper);}
.btn--primary:hover{background:transparent;color:var(--brick);border-color:var(--brick);}

.pills{display:flex;flex-wrap:wrap;gap:.6rem;}
.pill{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--muted-warm);color:var(--muted-warm);border-radius:999px;padding:.45rem 1.1rem;}
.pill--accent{border-color:var(--teal-text);color:var(--teal-text);}

/* ---------- Hero ---------- */
.hero{padding:4.5rem 0 4rem;}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:4rem;align-items:start;}
.hero h1{font-family:var(--font-display);font-weight:800;line-height:1.06;font-size:clamp(2.6rem,6vw,4.4rem);margin-bottom:1.4rem;}
.hero h1 span{display:block;opacity:0;transform:translateY(18px);animation:rise .7s ease forwards;}
.hero h1 .line--serif{font-family:var(--font-serif);font-style:italic;font-weight:500;color:var(--teal-text);animation-delay:.15s;}
@keyframes rise{to{opacity:1;transform:none;}}
@media(prefers-reduced-motion:reduce){.hero h1 span{animation:none;opacity:1;transform:none;}}
.hero .lead{max-width:34rem;color:var(--text-dim);font-size:1.05rem;margin-bottom:1.85rem;}
.hero__cta{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:2rem;}

/* ---------- Hero'daki güncel yazılar paneli ---------- */
.latest{
  border:1px solid rgba(var(--hairline-rgb),.2);
  border-radius:.4rem;background:var(--surface-2);
  padding:1.75rem;position:sticky;top:calc(var(--nav-h) + 1.5rem);
}
[data-theme="dark"] .latest{background:rgba(var(--hairline-rgb),.06);}
.latest__head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:1px solid rgba(var(--hairline-rgb),.18);}
.latest__head h2{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brick);font-weight:500;}
.latest__count{font-family:var(--font-mono);font-size:.72rem;color:var(--muted-warm);}
.latest__item{display:grid;grid-template-columns:2.1rem 1fr;gap:.9rem;padding:.95rem 0;border-bottom:1px solid rgba(var(--hairline-rgb),.12);}
.latest__item:last-of-type{border-bottom:none;}
.latest__num{font-family:var(--font-mono);font-size:.78rem;color:var(--brick);padding-top:.2rem;}
.latest__title{display:block;font-family:var(--font-display);font-weight:700;font-size:1.02rem;line-height:1.35;margin-bottom:.3rem;transition:color .2s ease;}
.latest__item:hover .latest__title{color:var(--brick);}
.latest__meta{display:block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-warm);}
.latest__all{display:inline-flex;align-items:center;gap:.4rem;margin-top:1.25rem;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brick);border-bottom:1px solid var(--brick);padding-bottom:.2rem;transition:color .2s ease,border-color .2s ease;}
.latest__all:hover{color:var(--text);border-color:var(--text);}
.latest__empty{color:var(--muted-warm);font-size:.95rem;}

/* ---------- Bölümler ---------- */
.section{padding:4.5rem 0;border-top:1px solid rgba(var(--hairline-rgb),.16);}
.section-head{max-width:42rem;margin-bottom:3rem;}
.section-head h2{font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,4vw,2.7rem);margin-top:.4rem;}
.section-head p{color:var(--text-dim);margin-top:.85rem;}
.section--media .eyebrow{color:var(--teal-text);}
.section--academia .eyebrow{color:var(--brick);}
.section-head--split{display:grid;grid-template-columns:1fr auto;gap:2.5rem;align-items:center;max-width:none;}
.section-head--split .seal-wrap{width:12rem;justify-self:end;}

/* ---------- Hakkımda ---------- */
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;}
.about__card{background:var(--surface);color:var(--ink-soft);border-radius:.4rem;padding:2.25rem;position:relative;margin-top:1.6rem;}
[data-theme="dark"] .about__card{color:var(--text);}
.about__card .tab{position:absolute;top:-1.6rem;left:0;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;padding:.45rem 1.1rem;border-radius:.3rem .3rem 0 0;}
.about__card--media .tab{background:var(--teal);color:var(--ink);}
.about__card--academia .tab{background:var(--brick);color:var(--paper);}
.about__card h3{font-family:var(--font-display);font-size:1.4rem;margin-bottom:.85rem;}
.about__card p{margin-bottom:.75rem;}
.about__card p:last-child{margin-bottom:0;}
.about__card ul{padding-left:1.2rem;margin-top:.5rem;}
.about__card li{margin-bottom:.3rem;}

/* ---------- Çalışma alanları ---------- */
.calismalar__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:2rem;margin-top:1rem;}
.calisma-card{background:var(--surface-2);border:1px solid rgba(var(--hairline-rgb),.18);border-radius:.4rem;padding:2rem;transition:transform .25s ease,border-color .25s ease,background-color .3s ease;}
[data-theme="dark"] .calisma-card{background:rgba(var(--hairline-rgb),.06);}
.calisma-card:hover{transform:translateY(-4px);border-color:var(--teal);}
@media(prefers-reduced-motion:reduce){.calisma-card:hover{transform:none;}}
.calisma-card__tag{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-text);margin-bottom:.9rem;}
.calisma-card h3{font-family:var(--font-display);font-size:1.2rem;margin-bottom:.7rem;}
.calisma-card p{color:var(--text-dim);font-size:.95rem;}

/* ---------- İletişim ---------- */
.contact__grid{display:grid;grid-template-columns:1fr 1.2fr;gap:3.5rem;align-items:start;}
.contact__intro{color:var(--text-dim);max-width:26rem;margin-bottom:2rem;}
.contact__links{display:flex;flex-direction:column;gap:.7rem;font-family:var(--font-mono);font-size:.92rem;letter-spacing:.04em;}
.contact__links a{transition:color .2s ease;}
.contact__links a:hover{color:var(--teal-text);}

/* ---------- Footer ---------- */
.footer{border-top:1px solid rgba(var(--hairline-rgb),.16);padding:2.5rem 0;}
.footer .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;font-family:var(--font-mono);font-size:.76rem;letter-spacing:.06em;color:var(--muted-warm);flex-wrap:wrap;}
.footer__links{display:flex;gap:1.25rem;flex-wrap:wrap;}
.footer__links a:hover{color:var(--text);}

/* ---------- Makaleler listesi (makaleler.php) ---------- */
.page-header{padding:3.5rem 0 2.5rem;max-width:42rem;}
.page-header h1{font-family:var(--font-display);font-weight:800;font-size:clamp(2.2rem,5vw,3.2rem);line-height:1.1;margin-bottom:1rem;}
.page-header p{color:var(--text-dim);}
.back-link{display:inline-block;font-family:var(--font-mono);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-warm);margin-bottom:1.75rem;transition:color .2s ease;}
.back-link:hover{color:var(--brick);}

.filter-row{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:2.5rem;}
.filter-btn{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;border:1px solid rgba(var(--hairline-rgb),.3);background:transparent;color:var(--muted-warm);border-radius:999px;padding:.5rem 1.15rem;cursor:pointer;transition:border-color .2s ease,color .2s ease,background-color .2s ease;}
.filter-btn:hover{border-color:var(--teal-text);color:var(--teal-text);}
.filter-btn.is-active{background:var(--brick);border-color:var(--brick);color:var(--paper);}

.article-list{padding-bottom:4rem;}
.al-item{display:grid;grid-template-columns:3.5rem 1fr auto;gap:1.5rem;align-items:start;padding:2.1rem 0;border-bottom:1px solid rgba(var(--hairline-rgb),.18);}
.al-item:first-of-type{border-top:1px solid rgba(var(--hairline-rgb),.18);}
.al-item.is-hidden{display:none;}
.al-item__num{display:flex;align-items:center;justify-content:center;width:2.6rem;height:2.6rem;border:1px solid rgba(193,69,46,.4);border-radius:50%;font-family:var(--font-mono);font-size:.95rem;color:var(--brick);transition:border-color .25s ease,background-color .25s ease;}
.al-item:hover .al-item__num{border-color:var(--brick);background:rgba(193,69,46,.06);}
.al-item h2{font-family:var(--font-display);font-size:1.3rem;margin-bottom:.4rem;}
.al-item__title-link{transition:color .2s ease;}
.al-item__title-link:hover{color:var(--brick);}
.al-item__meta{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-warm);margin-bottom:.85rem;}
.al-item__body>p{color:var(--text-dim);margin-bottom:.9rem;max-width:42rem;}
.al-item__tag{display:inline-block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-text);border:1px solid var(--teal-text);border-radius:999px;padding:.25rem .8rem;}
.al-item__link{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brick);white-space:nowrap;border-bottom:1px solid var(--brick);padding-bottom:.15rem;transition:color .2s ease,border-color .2s ease;}
.al-item__link:hover{color:var(--text);border-color:var(--text);}
.empty-state{padding:3rem 0;color:var(--muted-warm);}

/* ---------- Makale okuma sayfası ---------- */
.reading{padding:3.5rem 0 5rem;}
.reading__header{max-width:42rem;margin-bottom:3rem;}
.reading__eyebrow{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-warm);margin-bottom:1.25rem;display:flex;align-items:center;gap:.75rem;}
.reading__index{display:inline-flex;align-items:center;justify-content:center;width:2.2rem;height:2.2rem;border:1px solid rgba(193,69,46,.45);border-radius:50%;color:var(--brick);font-size:.85rem;}
.reading__header h1{font-family:var(--font-display);font-weight:800;font-size:clamp(2rem,5vw,3rem);line-height:1.12;margin-bottom:1rem;}
.reading__byline{font-family:var(--font-mono);font-size:.85rem;color:var(--text-dim);}
.reading__body{max-width:42rem;font-size:1.1875rem;line-height:1.8;}
.reading__body .lead{font-size:1.3rem;color:var(--text-dim);margin-bottom:1.75rem;}
.reading__body p{margin-bottom:1.5rem;}
.reading__body h2{font-family:var(--font-display);font-weight:700;font-size:1.6rem;margin-top:3rem;margin-bottom:1.25rem;}
.reading__body h3{font-family:var(--font-display);font-weight:700;font-size:1.25rem;margin-top:2.25rem;margin-bottom:1rem;}
.reading__body ul,.reading__body ol{margin:0 0 1.5rem 1.4rem;}
.reading__body li{margin-bottom:.5rem;}
.reading__body a{color:var(--brick);border-bottom:1px solid rgba(193,69,46,.4);transition:border-color .2s ease;}
.reading__body a:hover{border-color:var(--brick);}
.reading__body strong{font-weight:600;}
.reading__body blockquote{border-left:3px solid var(--brick);padding-left:1.5rem;margin:2.5rem 0;font-style:italic;font-size:1.25rem;color:var(--text-dim);}
.reading__refs{max-width:42rem;margin-top:4rem;padding-top:3rem;border-top:1px solid rgba(var(--hairline-rgb),.18);}
.reading__refs h3{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted-warm);margin-bottom:1.5rem;}
.reading__refs ol{list-style:none;counter-reset:ref;display:flex;flex-direction:column;gap:1rem;font-size:.95rem;color:var(--text-dim);}
.reading__refs li{counter-increment:ref;padding-left:2.5rem;position:relative;}
.reading__refs li::before{content:counter(ref,decimal-leading-zero);position:absolute;left:0;font-family:var(--font-mono);color:var(--brick);}

/* Önceki / sonraki yazı */
.reading__nav{max-width:42rem;margin-top:4rem;padding-top:2.5rem;border-top:1px solid rgba(var(--hairline-rgb),.18);display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;}
.reading__nav a{display:block;padding:1.25rem;border:1px solid rgba(var(--hairline-rgb),.2);border-radius:.4rem;transition:border-color .2s ease;}
.reading__nav a:hover{border-color:var(--brick);}
.reading__nav span{display:block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-warm);margin-bottom:.4rem;}
.reading__nav strong{font-family:var(--font-display);font-size:1rem;font-weight:700;line-height:1.35;}
.reading__nav .is-next{text-align:right;}
.reading__footer{max-width:42rem;margin-top:3rem;display:flex;gap:2rem;flex-wrap:wrap;}
.reading__footer a{font-family:var(--font-mono);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brick);border-bottom:1px solid var(--brick);padding-bottom:.2rem;transition:color .2s ease,border-color .2s ease;}
.reading__footer a:hover{color:var(--text);border-color:var(--text);}

/* ---------- 404 ---------- */
.error-page{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:1.25rem;padding:4rem 1.5rem;}
.error-page h1{font-family:var(--font-display);font-weight:800;font-size:clamp(3rem,10vw,6rem);line-height:1;color:var(--brick);}
.error-page p{color:var(--text-dim);max-width:28rem;}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero__grid{grid-template-columns:1fr;gap:3rem;}
  .latest{position:static;}
  .section-head--split{grid-template-columns:1fr;}
  .section-head--split .seal-wrap{display:none;}
}
@media(max-width:880px){
  .about__grid,.contact__grid{grid-template-columns:1fr;}
  .al-item{grid-template-columns:2.6rem 1fr;}
  .al-item__link{grid-column:2;justify-self:start;}
}
@media(max-width:560px){
  .nav .container{gap:.75rem;}
  .nav__links{gap:1rem;}
  .nav__brand .brand-text{display:none;}
  .hero{padding:3rem 0 2.5rem;}
  .section{padding:3rem 0;}
  .reading{padding:2.5rem 0 4rem;}
  .reading__body{font-size:1.0625rem;}
  .reading__nav{grid-template-columns:1fr;}
  .reading__nav .is-next{text-align:left;}
  .latest{padding:1.35rem;}
}