/* Mavi Bağımsız Denetim — mavi-beyaz kurumsal tema
   Layout: beyaz zemin, lacivert üst bant, kobalt mavi vurgu; bölümler arası açık mavi şeritler */
:root{
  --white:#ffffff;
  --paper:#f4f8fd;      /* çok açık mavi zemin */
  --sky:#e3eefb;        /* açık mavi yüzey */
  --line:#d3e1f2;
  --ink:#0d1f38;        /* lacivert metin */
  --muted:#4d6382;
  --blue:#0b5cc4;       /* kobalt - ana vurgu */
  --blue-deep:#08397a;
  --navy:#0a1f3f;       /* üst bant ve alt bilgi */
  --on-navy:#eaf2fd;
  --on-navy-muted:#a9bfdc;
  --ok:#1a7f4b; --err:#b42318;

  --display:"Source Serif 4", Georgia, "Times New Roman", serif;
  --body:"Public Sans", "Helvetica Neue", Arial, sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, Menlo, monospace;

  --wrap:1180px;
  --radius:4px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--white);color:var(--ink);font:400 16px/1.65 var(--body)}
img{max-width:100%;display:block}
a{color:var(--blue)}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.15;margin:0;text-wrap:balance;color:var(--ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
.eyebrow{display:inline-block;font:500 12px/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Header ---------- */
.topline{background:var(--navy);color:var(--on-navy-muted);font-size:13px}
.topline .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-block:7px}
.topline a{color:var(--on-navy);text-decoration:none}
.topline .contacts{display:flex;gap:18px;flex-wrap:wrap}
.lang{display:inline-flex;border:1px solid rgba(255,255,255,.25);border-radius:999px;overflow:hidden}
.lang button{background:none;border:0;color:var(--on-navy-muted);font:500 12px var(--mono);letter-spacing:.08em;padding:4px 11px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--white);color:var(--navy)}

.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--white);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:14px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand svg{width:42px;height:42px;flex:none}
.brand-name{font:600 21px/1 var(--display);letter-spacing:.01em}
.brand-name small{display:block;margin-top:4px;font:500 10.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.nav a{display:block;padding:9px 12px;text-decoration:none;color:var(--ink);font-size:14.5px;font-weight:500;border-radius:var(--radius)}
.nav a:hover{background:var(--sky);color:var(--blue-deep)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:8px 10px;cursor:pointer;color:var(--ink)}
.menu-btn svg{width:22px;height:22px;display:block}
@media (max-width:1020px){
  .menu-btn{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;background:var(--white);border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(10,31,63,.08)}
  .nav[hidden]{display:none!important}
  .nav ul{flex-direction:column;padding:8px clamp(16px,4vw,40px) 16px}
  .nav a{padding:12px 8px;border-bottom:1px solid var(--line);border-radius:0}
}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--navy);color:var(--on-navy);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/64px 64px,
    linear-gradient(0deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/64px 64px;
  mask-image:linear-gradient(100deg,transparent 35%,#000 85%);-webkit-mask-image:linear-gradient(100deg,transparent 35%,#000 85%)}
.hero::after{content:"";position:absolute;right:-12%;top:-30%;width:58%;aspect-ratio:1;max-width:100%;border-radius:50%;
  background:radial-gradient(circle,rgba(11,92,196,.55),rgba(11,92,196,0) 68%)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:56px;align-items:end;padding-block:clamp(64px,9vw,120px) clamp(56px,7vw,96px)}
.hero .eyebrow{color:#8fc0ff}
.hero h1{color:var(--white);font-size:clamp(34px,5.2vw,62px);font-weight:500;margin-top:18px;letter-spacing:-.01em}
.hero h1 em{font-style:italic;color:#8fc0ff}
.hero .lead{margin-top:22px;max-width:58ch;font-size:clamp(16px,1.6vw,18.5px);color:var(--on-navy-muted)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:var(--radius);font:600 15px var(--body);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background .2s,border-color .2s,color .2s}
.btn-primary{background:var(--blue);color:var(--white)}
.btn-primary:hover{background:#0a4fa9}
.btn-light{background:transparent;color:var(--white);border-color:rgba(255,255,255,.35)}
.btn-light:hover{border-color:var(--white)}
.btn-outline{background:var(--white);color:var(--blue-deep);border-color:var(--line)}
.btn-outline:hover{border-color:var(--blue)}
.facts{border-top:1px solid rgba(255,255,255,.18)}
.fact{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:baseline;padding-block:15px;border-bottom:1px solid rgba(255,255,255,.18)}
.fact span{font-size:14px;color:var(--on-navy-muted)}
.fact b{font:500 19px var(--display);color:var(--white);text-align:right;font-variant-numeric:tabular-nums}

/* ---------- Sections ---------- */
section{padding-block:clamp(64px,8vw,108px);scroll-margin-top:80px}
.band{background:var(--paper);border-block:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:40px;align-items:end;margin-bottom:48px}
.sec-head h2{font-size:clamp(30px,3.8vw,46px);margin-top:12px}
.sec-head p{color:var(--muted);max-width:62ch;font-size:17px}
@media (max-width:860px){.sec-head{grid-template-columns:minmax(0,1fr);gap:14px;margin-bottom:34px}}

/* tick-mark list: denetçilerin çalışma kâğıdı işareti */
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.ticks li{position:relative;padding-left:28px}
.ticks li::before{content:"";position:absolute;left:0;top:.3em;width:17px;height:17px;border-radius:50%;background:var(--sky);
  box-shadow:inset 0 0 0 1px var(--line)}
.ticks li::after{content:"";position:absolute;left:5.5px;top:calc(.3em + 4px);width:4px;height:8px;border:solid var(--blue);border-width:0 2px 2px 0;transform:rotate(45deg)}

/* About */
.about{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:64px}
.about-text{display:grid;gap:18px;max-width:66ch}
.about-text .big{font:400 clamp(21px,2.2vw,25px)/1.45 var(--display);color:var(--ink)}
.about-text p{color:var(--muted)}
.pillars{display:grid;gap:0;border-top:2px solid var(--ink);align-content:start}
.pillar{padding-block:20px;border-bottom:1px solid var(--line);display:grid;gap:6px}
.pillar h3{font-size:20px}
.pillar p{color:var(--muted);font-size:15px}
.process{margin-top:72px}
.process h3.ph{font-size:24px;margin-bottom:24px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;counter-reset:s;border:1px solid var(--line);background:var(--white)}
.steps li{counter-increment:s;padding:26px 24px 28px;border-right:1px solid var(--line);display:grid;gap:8px;align-content:start}
.steps li:last-child{border-right:0}
.steps li::before{content:counter(s,decimal-leading-zero);font:500 13px var(--mono);color:var(--blue);letter-spacing:.08em}
.steps h4{font-size:19px}
.steps p{font-size:14.5px;color:var(--muted)}
@media (max-width:900px){.about{grid-template-columns:minmax(0,1fr);gap:40px}.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.steps li:nth-child(2){border-right:0}.steps li:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:520px){.steps{grid-template-columns:minmax(0,1fr)}.steps li{border-right:0;border-bottom:1px solid var(--line)}.steps li:last-child{border-bottom:0}}

/* Board */
.board-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:28px}
.member{all:unset;box-sizing:border-box;cursor:pointer;display:grid;gap:14px;align-content:start;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s,box-shadow .2s,transform .2s}
.member:hover{border-color:var(--blue);box-shadow:0 14px 30px rgba(11,92,196,.12);transform:translateY(-2px)}
.member:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.photo{aspect-ratio:4/5;width:100%;max-width:100%;background:linear-gradient(160deg,var(--sky),#cfe1f7);display:grid;place-items:center;overflow:hidden}
.photo img{width:100%;height:100%;object-fit:cover}
.photo .ini{font:500 54px var(--display);color:var(--blue)}
.member .meta{padding:0 20px 20px;display:grid;gap:6px}
.member .role{font:500 11.5px/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}
.member h3{font-size:21px}
.member .more{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:6px}
.member:hover .more{color:var(--blue)}
.empty{padding:40px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);text-align:center;background:var(--white)}

/* Purpose & values */
.purpose{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:64px}
.purpose article{background:var(--navy);color:var(--on-navy);padding:32px;border-radius:var(--radius);display:grid;gap:12px;align-content:start}
.purpose article:nth-child(2){background:var(--blue-deep)}
.purpose article:nth-child(3){background:var(--blue)}
.purpose .eyebrow{color:#a8cdff}
.purpose h3{color:var(--white);font-size:24px}
.purpose p{color:var(--on-navy-muted);font-size:15.5px}
.purpose article:nth-child(3) p{color:#e1ecfb}
.purpose .ticks li::before{background:rgba(255,255,255,.12);box-shadow:none}
.purpose .ticks li::after{border-color:var(--white)}
.purpose .ticks{color:var(--on-navy);font-size:15px}
.values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:2px solid var(--ink)}
.value{padding:26px 28px 30px 0;border-bottom:1px solid var(--line);display:grid;gap:8px;align-content:start}
.value .k{font:500 12px var(--mono);color:var(--blue);letter-spacing:.1em;text-transform:uppercase}
.value h3{font-size:22px}
.value p{color:var(--muted);font-size:15px;max-width:42ch}
@media (max-width:900px){.purpose{grid-template-columns:minmax(0,1fr)}.values{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.values{grid-template-columns:minmax(0,1fr)}.value{padding-right:0}}

/* Services */
.services{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.svc{background:var(--white);padding:32px 30px;display:grid;gap:12px;align-content:start;transition:background .2s}
.svc:hover{background:var(--paper)}
.svc .ic{width:44px;height:44px;border-radius:50%;background:var(--sky);display:grid;place-items:center;color:var(--blue)}
.svc .ic svg{width:22px;height:22px}
.svc h3{font-size:22px}
.svc p{color:var(--muted);font-size:15px}
.svc .ticks{font-size:14.5px;margin-top:6px}
.sectors{margin-top:56px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.4fr);gap:32px;align-items:start}
.sectors h3{font-size:24px}
.sectors p{color:var(--muted);font-size:15px;margin-top:8px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:9px 16px;border:1px solid var(--line);border-radius:999px;background:var(--white);font-size:14.5px;color:var(--ink)}
@media (max-width:960px){.services{grid-template-columns:repeat(2,minmax(0,1fr))}.sectors{grid-template-columns:minmax(0,1fr)}}
@media (max-width:620px){.services{grid-template-columns:minmax(0,1fr)}}

/* Posts */
.posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.post{all:unset;box-sizing:border-box;cursor:pointer;display:grid;grid-template-rows:auto 1fr;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.post:hover{border-color:var(--blue);box-shadow:0 14px 30px rgba(11,92,196,.10)}
.post:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.post .cover{aspect-ratio:16/9;max-width:100%;background:linear-gradient(135deg,var(--blue-deep),var(--blue));overflow:hidden;display:grid;place-items:center}
.post .cover img{width:100%;height:100%;object-fit:cover}
.post .cover svg{width:56px;height:56px;color:rgba(255,255,255,.55)}
.post .body{padding:22px 22px 24px;display:grid;gap:10px;align-content:start}
.post .meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font:500 12px var(--mono);letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.post .meta .cat{color:var(--blue)}
.post h3{font-size:21px}
.post p{color:var(--muted);font-size:15px}
.posts-foot{margin-top:32px;display:flex;justify-content:center}
@media (max-width:960px){.posts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.posts{grid-template-columns:minmax(0,1fr)}}

/* Contact */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:56px;align-items:start}
.c-list{display:grid;border-top:2px solid var(--ink)}
.c-item{padding-block:20px;border-bottom:1px solid var(--line);display:grid;gap:6px}
.c-item .k{font:500 12px var(--mono);color:var(--blue);letter-spacing:.12em;text-transform:uppercase}
.c-item .v{font:500 21px/1.35 var(--display);color:var(--ink);overflow-wrap:anywhere}
.c-item .v a{color:inherit;text-decoration:none}
.c-item .v a:hover{color:var(--blue)}
.copy{margin-left:8px;font:500 12px var(--body);border:1px solid var(--line);background:var(--white);color:var(--muted);border-radius:var(--radius);padding:3px 8px;cursor:pointer;vertical-align:middle}
.copy:hover{border-color:var(--blue);color:var(--blue)}
.form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,36px);display:grid;gap:16px}
.form h3{font-size:24px}
.row2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
.field{display:grid;gap:6px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink)}
.field input,.field textarea,.field select{font:400 15.5px var(--body);color:var(--ink);background:var(--white);border:1px solid #bfd2ea;border-radius:var(--radius);padding:11px 13px;width:100%}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,92,196,.15)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted)}
.consent input{margin-top:3px;accent-color:var(--blue)}
.linkish{background:none;border:0;padding:0;color:var(--blue);text-decoration:underline;cursor:pointer;font:inherit}
.hp{position:absolute;left:-9999px}
.notice{padding:12px 14px;border-radius:var(--radius);font-size:14.5px}
.notice.ok{background:#e7f6ee;color:var(--ok);border:1px solid #b9e4cb}
.notice.err{background:#fdecea;color:var(--err);border:1px solid #f6c6c0}
@media (max-width:900px){.contact{grid-template-columns:minmax(0,1fr);gap:40px}}
@media (max-width:520px){.row2{grid-template-columns:minmax(0,1fr)}}

/* Footer */
.site-footer{background:var(--navy);color:var(--on-navy-muted);font-size:14.5px}
.site-footer .cols{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:40px;padding-block:64px 40px}
.site-footer h4{font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--white);margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.site-footer a{color:var(--on-navy-muted);text-decoration:none}
.site-footer a:hover{color:var(--white)}
.site-footer .brand{color:var(--white)}
.site-footer .brand-name small{color:var(--on-navy-muted)}
.site-footer .about-f{margin-top:16px;max-width:42ch}
.legal{border-top:1px solid rgba(255,255,255,.12)}
.legal .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:20px;font-size:13px}
.legal button{background:none;border:0;color:var(--on-navy-muted);cursor:pointer;font:inherit;padding:0;text-decoration:underline}
@media (max-width:860px){.site-footer .cols{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.site-footer .cols{grid-template-columns:minmax(0,1fr)}}

/* Modal */
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:16px;background:rgba(10,31,63,.55);backdrop-filter:blur(3px)}
.modal[hidden]{display:none!important}
.dialog{background:var(--white);border-radius:6px;width:min(860px,100%);max-height:calc(100dvh - 32px);overflow:auto;position:relative;box-shadow:0 30px 80px rgba(10,31,63,.35)}
.dialog .close{position:sticky;top:0;float:right;margin:12px 12px 0 0;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--white);cursor:pointer;font-size:22px;line-height:1;color:var(--ink);z-index:2}
.dialog .close:hover{border-color:var(--blue);color:var(--blue)}
.cv{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:32px;padding:32px}
.cv .photo{border-radius:var(--radius)}
.cv .role{font:500 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}
.cv h2{font-size:clamp(26px,3vw,34px);margin:8px 0 18px}
.prose{display:grid;gap:14px;color:#2a3d58;font-size:16px;max-width:66ch}
.prose h3{font-size:20px;margin-top:6px}
.cv .links{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}
.article .hero-img{aspect-ratio:16/7;max-width:100%;background:linear-gradient(135deg,var(--blue-deep),var(--blue));overflow:hidden}
.article .hero-img img{width:100%;height:100%;object-fit:cover}
.article .inner{padding:28px clamp(20px,4vw,48px) 40px}
.article h2{font-size:clamp(26px,3.2vw,38px);margin:10px 0 20px}
.article .meta{font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}
.article .meta .cat{color:var(--blue)}
.legal-text{padding:32px clamp(20px,4vw,44px) 40px}
.legal-text h2{font-size:28px;margin-bottom:16px}
@media (max-width:680px){.cv{grid-template-columns:minmax(0,1fr);padding:24px}.cv .photo{max-width:240px}}

.demo-flag{background:#fff6dd;color:#7a5a00;border-bottom:1px solid #f1dc9c;font-size:13px;text-align:center;padding:6px 16px}