/* =====================================================================
   behic.net 2026 tasarımı (cv.php)
   Düğmeler: Bootstrap Style Buttons (css-buttons.com) ölçüleri.
   Renkler bir yerde: :root
   ===================================================================== */
:root{
  --zemin:#f7f8fa; --yuzey:#fff; --cizgi:#e3e7ed; --cizgi-2:#cbd2d9;
  --metin:#1f2933; --metin-2:#3e4c59; --metin-3:#616e7c; --metin-4:#7b8794;
  --ana:#0b6e75; --ana-koyu:#08545a; --ana-acik:#e0f2f1; --ana-parlak:#5fc4c9;
  --koyu:#1f2933; --koyu-2:#11181f; --koyu-kart:#2a3640; --koyu-cizgi:#3a4753;
  --vurgu:#e0603a; --vurgu-koyu:#c64d2a; --vurgu-acik:#fdebe5;
  --gri:#e6e9ee; --gri-koyu:#d3d8e0; --gri-zemin:#eef1f4;
  --golge:0 1px 2px rgba(17,24,39,.05),0 6px 16px rgba(17,24,39,.06);
  --baslik:'Oswald','Arial Narrow',sans-serif;
  --govde:'Open Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--zemin);color:var(--metin);font-family:var(--govde);font-size:16px;line-height:1.65;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--ana)}a:hover{color:var(--ana-koyu)}
h1,h2,h3{font-family:var(--baslik);font-weight:600;letter-spacing:.01em;line-height:1.15;margin:0;color:var(--metin)}
h2{font-size:clamp(28px,4vw,42px);margin-top:6px}
h3{font-size:22px}
p{margin:0}
.kap{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.gizle,.hp{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;padding:0;margin:-1px}
.atla{position:absolute;left:-999px;top:8px;z-index:50;background:var(--koyu);color:#fff;padding:10px 14px;border-radius:4px}
.atla:focus{left:8px}
.ust-baslik{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--ana)}
.kart{background:var(--yuzey);border:1px solid var(--cizgi);border-radius:8px;box-shadow:var(--golge)}
.izgara{display:grid;gap:18px;margin-top:26px}
.i2{grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr))}
.i3{grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr))}
.i-sistem{grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr))}
.dugmeler{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.ara-baslik{font-size:20px}

/* ---------- Düğmeler (Bootstrap Style Buttons) ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;font-family:var(--govde);text-align:center;text-decoration:none;vertical-align:middle;cursor:pointer;user-select:none;
  padding:12px 20px;font-size:14px;line-height:20px;border-radius:.25rem;font-weight:600;letter-spacing:1px;border:none;transition:background-color .15s ease,color .15s ease}
.btn:active{box-shadow:inset 0 2px 4px rgba(0,0,0,.24)}
.btn:focus-visible{outline:3px solid rgba(11,110,117,.45);outline-offset:2px}
.btn:disabled{pointer-events:none;opacity:.65}
.btn-ana{color:#fff;background:var(--ana)}.btn-ana:hover{color:#fff;background:var(--ana-koyu)}
.btn-koyu{color:#fff;background:var(--koyu)}.btn-koyu:hover{color:#fff;background:var(--koyu-2)}
.btn-vurgu{color:#fff;background:var(--vurgu)}.btn-vurgu:hover{color:#fff;background:var(--vurgu-koyu)}
.btn-acik{color:var(--metin);background:var(--gri)}.btn-acik:hover{color:var(--metin);background:var(--gri-koyu)}
.btn-sm{min-height:36px;padding:8px 14px;font-size:12px;line-height:18px}
.btn span{opacity:.75;font-weight:400}

/* ---------- Rozetler ---------- */
.rozet{display:inline-block;font-size:12px;font-weight:600;padding:2px 9px;border-radius:4px;white-space:nowrap}
.r-ana{background:var(--ana-acik);color:var(--ana)}
.r-vurgu{background:var(--vurgu-acik);color:#b2401f}
.r-gri{background:var(--gri-zemin);color:var(--metin-2)}
.r-koyu{background:var(--koyu);color:#fff}

/* ---------- Üst şerit ---------- */
.ust-serit{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(6px);border-bottom:1px solid var(--cizgi)}
.ust-ic{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--metin)}
.brand img{height:42px;width:auto}
.marka{font-family:var(--baslik);font-weight:600;font-size:22px}
.marka span{color:var(--ana)}
.menu{display:flex;align-items:center;flex-wrap:wrap;gap:2px 4px;font-size:14px;font-weight:600}
.menu>a:not(.btn){color:var(--metin-2);text-decoration:none;padding:10px 11px;border-radius:4px}
.menu>a:not(.btn):hover{color:var(--ana);background:var(--gri-zemin)}
.menu .btn-ana{margin-left:6px}
.menu-dugme{display:none;width:44px;height:44px;border:0;border-radius:.25rem;background:var(--gri);cursor:pointer;position:relative}
.menu-dugme>span:first-child,.menu-dugme>span:first-child::before,.menu-dugme>span:first-child::after{position:absolute;left:12px;width:20px;height:2px;background:var(--metin);content:"";transition:transform .2s,top .2s}
.menu-dugme>span:first-child{top:21px}
.menu-dugme>span:first-child::before{left:0;top:-6px}
.menu-dugme>span:first-child::after{left:0;top:6px}
.menu-dugme[aria-expanded="true"]>span:first-child{background:transparent}
.menu-dugme[aria-expanded="true"]>span:first-child::before{top:0;transform:rotate(45deg)}
.menu-dugme[aria-expanded="true"]>span:first-child::after{top:0;transform:rotate(-45deg)}
@media (max-width:900px){
  .menu-dugme{display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--cizgi);box-shadow:0 12px 24px rgba(17,24,39,.08);
    flex-direction:column;align-items:stretch;padding:8px 16px 16px;gap:4px}
  .menu.acik{display:flex}
  .menu>a:not(.btn){padding:12px}
  .menu .btn{margin:6px 0 0!important}
}

/* ---------- Giriş ---------- */
.giris-zemin{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--zemin) 100%);border-bottom:1px solid var(--cizgi)}
.ag-desen{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.35) 0%,rgba(0,0,0,.9) 45%,#000 100%);mask-image:linear-gradient(90deg,rgba(0,0,0,.35) 0%,rgba(0,0,0,.9) 45%,#000 100%)}
.ag-desen .dc line{stroke:var(--ana);stroke-opacity:.14;stroke-width:1.2}
.ag-desen .dd circle{fill:#fff;stroke:var(--ana);stroke-opacity:.3;stroke-width:1.4}
.giris{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:32px 44px;padding-top:clamp(36px,5vw,72px);padding-bottom:clamp(40px,5vw,72px)}
.giris-metin{flex:1 1 360px;min-width:0}
.giris-foto{flex:0 0 auto;width:clamp(170px,19vw,240px)}
.giris-foto img{width:100%;aspect-ratio:844/1500;object-fit:cover;border-radius:8px;box-shadow:0 14px 32px rgba(17,24,39,.16)}
@media (max-width:640px){.giris-foto{width:46%;max-width:200px}}
.giris h1{font-size:clamp(32px,3.5vw,52px);white-space:nowrap;line-height:1.02;text-transform:uppercase}
.alt-unvan{margin-top:10px;font-family:var(--baslik);font-weight:500;font-size:clamp(18px,2vw,24px);letter-spacing:.06em;text-transform:uppercase;color:var(--ana)}
.yazdir-unvan{display:none}
.profil{margin-top:18px;gap:8px}
.son{flex:1 1 380px;min-width:0;padding:6px 0;background:rgba(255,255,255,.92)}
.son-tumu{justify-content:flex-end;font-size:13px;font-weight:600;color:var(--ana)!important}
.son .ust-baslik{padding:12px 20px 6px}
.son a{display:flex;gap:14px;padding:10px 20px;text-decoration:none;color:var(--metin);border-top:1px solid var(--gri-zemin)}
.son a:hover{background:#fafbfc}
.son a:hover b{color:var(--ana)}
.son .yil{flex:0 0 44px;font-family:var(--baslik);font-weight:600;color:var(--ana);font-size:17px}
.son b{display:block;font-weight:600;font-size:15px;line-height:1.4}
.son small{display:block;font-size:13px;color:var(--metin-3)}

/* ---------- Koyu şerit: çalışma alanları ---------- */
.koyu-serit{background:var(--koyu);color:#e4e7eb;padding:clamp(48px,7vw,80px) 0}
.koyu-serit .ust-baslik{color:var(--ana-parlak)}
.koyu-serit h2{color:#fff}
.alan{background:var(--koyu-kart);border:1px solid var(--koyu-cizgi);border-radius:8px;padding:24px}
.alan svg{width:40px;height:40px;fill:none;stroke:var(--ana-parlak);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.alan h3{color:#fff;margin:14px 0 6px}
.alan p{color:#cbd2d9}

/* ---------- Bölümler ---------- */
.bolum{padding-top:clamp(48px,7vw,80px)}
.bolum:last-of-type{padding-bottom:clamp(48px,7vw,80px)}
.baslik-satir{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px}

/* Hakkımda */
.hakkimda{display:flex;flex-wrap:wrap;gap:24px 40px;margin-top:22px}
.hakkimda .metin{flex:1 1 auto;max-width:860px;min-width:0;color:var(--metin-2);font-size:17px}
.hakkimda .metin p+p{margin-top:12px}
.kunye{flex:1 1 300px;margin:0;padding:8px 20px}
.kunye div{padding:10px 0;border-bottom:1px solid var(--gri-zemin)}
.kunye div:last-child{border-bottom:0}
.kunye dt{font-size:12px;color:var(--metin-3)}
.kunye dd{margin:0;font-weight:600;overflow-wrap:anywhere}
.zaman-izgara{margin-top:24px}
.alanlar-etiket{margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px}
.etiket-baslik{font-size:13px;font-weight:600;color:var(--metin-3)}
.alanlar-etiket ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.alanlar-etiket li{font-size:14px;font-weight:600;color:var(--ana);background:var(--ana-acik);border:1px solid #b9e0df;border-radius:999px;padding:5px 14px}
.kimlik-satir{margin-top:16px;font-size:14px;color:var(--metin-3);display:flex;flex-wrap:wrap;gap:4px 10px}
.kimlik-satir span{color:var(--cizgi-2)}
.zaman-kart{padding:24px 26px 6px;border-top:4px solid var(--ana)}
.zaman-kart .zaman{margin-top:16px}
.zaman-kart .ara-baslik{display:flex;align-items:center;gap:10px}
.zaman{list-style:none;margin:14px 0 0;padding:0;border-left:2px solid var(--cizgi)}
.zaman li{position:relative;padding:0 0 22px 22px}
.zaman li::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--ana)}
.zaman time{display:block;font-size:13px;font-weight:600;color:var(--ana)}
.zaman b{display:block;font-family:var(--baslik);font-weight:500;font-size:19px;line-height:1.3}
.zaman span{display:block;font-size:14px;color:var(--metin-2)}
.zaman p{font-size:14.5px;color:var(--metin-3);margin-top:4px}

/* Yayınlar */
.sekmeler{display:flex;gap:6px;overflow-x:auto;max-width:100%;padding-bottom:2px;scrollbar-width:thin}
.sekmeler .btn{flex:0 0 auto}
.yayin-liste{list-style:none;margin:22px 0 0;padding:0;overflow:hidden}
.yayin-liste li{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;padding:16px 22px;border-bottom:1px solid var(--cizgi);border-left:4px solid var(--ana)}
.yayin-liste li:last-child{border-bottom:0}
.yayin-liste li.t-kitap{border-left-color:var(--vurgu)}
.yayin-liste li.t-bolum,.yayin-liste li.t-bildiri,.yayin-liste li.t-proje{border-left-color:var(--cizgi-2)}
.yayin-liste li.t-kutadgu{border-left-color:var(--koyu)}
.yayin-liste li[hidden]{display:none}
.yayin-liste .yil{flex:0 0 52px;font-family:var(--baslik);font-weight:600;font-size:20px;color:var(--ana)}
.yayin-liste .yy{flex:999 1 360px;min-width:0}
.yb{font-weight:600;font-size:16.5px;line-height:1.4}
.ym{font-size:14px;color:var(--metin-3);margin-top:3px}
.ye{flex:0 0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.apa-tek.ok{background:var(--ana-acik);color:var(--ana)}
.yayin-liste .bilgi{color:var(--metin-3);border-left-color:var(--cizgi)}
.yazar-agi{margin-top:28px;position:relative;overflow:hidden}
.ag-ust{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 16px;padding:18px 22px 0}
.ag-ust small{color:var(--metin-3);font-size:13px}
.yazar-agi svg{display:block;width:100%;height:440px;touch-action:none;cursor:grab}
.yazar-agi svg:active{cursor:grabbing}
.ag-cizgi{stroke:rgba(11,110,117,.25);stroke-linecap:round}
.ag-cizgi.vurgu{stroke:rgba(11,110,117,.85)}
.ag-daire{fill:#fff;stroke:var(--ana);stroke-width:1.8}
.ag-dugum{cursor:pointer}
.ag-dugum.merkez .ag-daire{fill:var(--ana)}
.ag-ad{font-family:var(--govde);font-size:11px;fill:var(--metin-2);text-anchor:middle;pointer-events:none;paint-order:stroke;stroke:#fff;stroke-width:3px}
.ag-dugum.merkez .ag-ad{fill:var(--metin);font-size:12.5px;font-weight:600}
.ag-dugum.soluk{opacity:.2}
.ag-dugum.vurgu .ag-daire{fill:var(--ana-acik)}
@media (max-width:600px){.yazar-agi svg{height:340px}.ag-ad{font-size:10px}.yayin-liste li{padding:14px 16px}}

/* Dersler */
.ders{padding:22px}.ders small{color:var(--ana);font-weight:600}.ders h3{margin:6px 0}.ders p{color:var(--metin-3);margin-bottom:12px}

/* Sistemler */
.sistem{overflow:hidden;display:flex;flex-direction:column}
.sistem img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:top}
.sistem>div{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.sistem p{font-size:14.5px;color:var(--metin-3);margin-top:6px}
.sistem .dugmeler{margin-top:auto;padding-top:14px;gap:8px}

/* Editörlük */
.editor{padding:26px;border-top:4px solid var(--ana)}
.editor.e-koyu{border-top-color:var(--koyu)}
.editor h3{font-size:24px;margin:14px 0 6px}
.editor p{color:var(--metin-3);margin-bottom:18px}

/* İletişim */
.iletisim{display:flex;flex-wrap:wrap;overflow:hidden}
.il-bilgi{flex:1 1 300px;background:var(--ana);color:var(--ana-acik);padding:clamp(24px,4vw,40px)}
.il-bilgi .ust-baslik{color:#b2e3e5}
.il-bilgi h2{color:#fff;margin:8px 0 12px}
.il-bilgi dl{margin:20px 0 0}
.il-bilgi dt{font-size:13px;color:#b2e3e5;margin-top:14px}
.il-bilgi dd{margin:2px 0 0}
.il-bilgi a{color:#fff;font-weight:600}
.sosyal{display:flex;gap:10px;margin-top:22px}
.sosyal a{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:.25rem;background:rgba(255,255,255,.14)}
.sosyal a:hover{background:rgba(255,255,255,.26)}
.sosyal svg{width:20px;height:20px;fill:#fff}
.il-form{flex:999 1 420px;min-width:0;padding:clamp(24px,4vw,40px);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:14px 16px;align-content:start}
.il-form label{display:flex;flex-direction:column;gap:6px;font-size:13.5px;font-weight:600;color:var(--metin-2)}
.il-form label i{font-style:normal;font-weight:400;color:var(--metin-4)}
.il-form input,.il-form textarea{font:inherit;font-weight:400;font-size:16px;color:var(--metin);background:#fff;border:1px solid var(--cizgi-2);border-radius:.25rem;padding:11px 13px;min-height:44px;width:100%}
.il-form textarea{resize:vertical}
.il-form input:focus,.il-form textarea:focus{outline:none;border-color:var(--ana);box-shadow:0 0 0 3px rgba(11,110,117,.18)}
.il-form .tam{grid-column:1/-1}
.form-alt{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.form-msg{font-size:14px;color:var(--metin-3)}
.form-msg.ok{color:#10603f;font-weight:600}
.form-msg.err{color:#b3261e;font-weight:600}

/* Alt şerit */
.alt-serit{background:var(--koyu);color:#9aa5b1}
.alt-ic{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:22px;padding-bottom:22px;font-size:13.5px}
.gokturk{margin-left:10px;font-family:'Segoe UI Historic','Noto Sans Old Turkic',sans-serif;letter-spacing:.12em;opacity:.35;cursor:default}
.gokturk:hover{opacity:.7}
.alt-bag{display:flex;flex-wrap:wrap;gap:4px 18px}
.alt-bag a{color:#e4e7eb;padding:8px 0}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ---------- Yazdırma / PDF özgeçmiş ---------- */
.yz{display:none}
@page{size:A4;margin:16mm 15mm 18mm;
  @bottom-left{content:"Dr. Behiç Çetin · behic.net";font-family:'Open Sans',sans-serif;font-size:8pt;color:#7b8794}
  @bottom-right{content:counter(page) " / " counter(pages);font-family:'Open Sans',sans-serif;font-size:8pt;color:#7b8794}}
@media print{
  html{scroll-padding-top:0}
  body{background:#fff;color:#1f2933;font-size:10pt;line-height:1.5;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .ag-desen,.alt-unvan,.giris-foto,.son-tumu,.ust-serit,.profil,.dugmeler,.son,.koyu-serit,.yazar-agi,.sekmeler,#iletisim,.alt-serit,.atla,
  .ye,.sistem picture,#editorluk .btn,#editorluk .rozet{display:none!important}
  .yz{display:block}
  span.yz{display:inline}
  .giris-zemin{background:none;border:0}
  .kap{max-width:none;padding:0}
  .giris{display:block;padding:0 0 10px;border-bottom:2px solid var(--ana)}
  .giris h1{font-size:24pt;text-transform:none;white-space:normal;letter-spacing:0}
  .yz-ust p{margin-top:3px;font-size:9.5pt;color:#3e4c59}
  .yz-ust p:first-child{font-size:11pt;color:#1f2933;font-weight:600}
  .yz-tarih{font-size:8.5pt!important;color:#7b8794!important}
  a{color:var(--ana);text-decoration:none}
  .bolum{padding-top:14px!important;padding-bottom:0!important}
  .ust-baslik{display:none}
  h2{font-size:14pt;margin:0 0 6px;padding-bottom:3px;border-bottom:1px solid var(--cizgi);color:var(--ana);break-after:avoid}
  h3,.ara-baslik{font-size:11.5pt;break-after:avoid}
  .kart{box-shadow:none;border:0;background:none;border-radius:0}
  .hakkimda{display:block;margin-top:6px}
  .hakkimda .metin{font-size:10pt;color:#1f2933}
  .hakkimda .metin p+p{margin-top:5px}
  .alanlar-etiket{margin-top:4px;gap:4px 8px}.alanlar-etiket li{font-size:9pt;padding:1px 8px}.etiket-baslik{font-size:9pt}
  .zaman-kart{padding:0;border:0}
  .zaman-izgara{margin-top:10px;display:grid;grid-template-columns:1fr 1fr;gap:0 22px}
  .zaman{border:0;margin-top:4px}
  .zaman li{padding:0 0 7px;break-inside:avoid}
  .zaman li::before{display:none}
  .zaman b{font-size:10.5pt}.zaman span,.zaman p{font-size:9pt}.zaman time{font-size:8.5pt}
  .baslik-satir{display:block}
  .yayin-liste{margin-top:4px;overflow:visible}
  .yayin-liste li{display:flex!important;flex-wrap:nowrap;gap:12px;border:0;padding:4px 0;break-inside:avoid}
  .yayin-liste li[hidden]{display:flex!important}
  .yayin-liste .yil{flex:0 0 34px;font-size:10pt}
  .yayin-liste .yy{flex:1 1 auto}
  .yb{font-size:10pt;line-height:1.35}
  .ym{font-size:8.5pt;margin-top:1px}
  .yz-bag{font-size:8.5pt;margin-top:1px;word-break:break-all}
  .i-sistem,#editorluk .izgara{display:block;margin-top:6px}
  .sistem{display:block;break-inside:avoid;margin:0 0 6px}
  .sistem>div{padding:0}
  .sistem h3{font-size:10.5pt;display:inline}
  .sistem p{display:inline;font-size:9pt;margin:0 0 0 4px}
  .sistem p.yz-bag{display:block;margin:1px 0 0}
  .editor{padding:0;border:0;margin:0 0 6px;break-inside:avoid}
  .editor h3{font-size:10.5pt;margin:0}
  .editor p{margin:1px 0 0;font-size:9pt}
}