/* ===== DİAD paylaşılan stiller (alt sayfalar) ===== */
:root{
  --teal-600:#0d9488;--teal-500:#14b8a6;--teal-400:#2dd4bf;
  --sky-500:#0ea5e9;--indigo-500:#6366f1;--violet-500:#8b5cf6;
  --ink:#0f2937;--slate:#475569;--slate-light:#64748b;
  --bg:#f7fbfc;--card:#ffffff;--line:#e2eaf0;
  --grad:linear-gradient(120deg,#0d9488 0%,#0ea5e9 55%,#6366f1 100%);
  --grad-soft:linear-gradient(120deg,#e6fffb 0%,#e8f6ff 50%,#eef0ff 100%);
  --shadow:0 10px 40px -12px rgba(13,148,136,.20);
  --shadow-sm:0 4px 18px -8px rgba(15,41,55,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Plus Jakarta Sans',sans-serif;letter-spacing:-.02em}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(247,251,252,.82);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.3s}
header.scrolled{background:rgba(247,251,252,.94);border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(15,41,55,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:12px}
.logo .mark{width:44px;height:44px;border-radius:13px;background:var(--grad);display:grid;place-items:center;box-shadow:var(--shadow-sm);flex:none}
.logo .mark svg{width:24px;height:24px}
.logo-img{height:40px;width:auto;display:block;flex:none;max-width:64vw}
.foot-logo{height:50px}
@media(max-width:640px){.logo-img{height:34px}}
.logo .txt b{font-family:'Plus Jakarta Sans';font-weight:800;font-size:15.5px;display:block;line-height:1.1}
.logo .txt span{font-size:11px;color:var(--slate-light);letter-spacing:.04em;text-transform:uppercase}
nav.menu{display:flex;align-items:center;gap:4px}
nav.menu a{padding:9px 13px;border-radius:10px;font-size:14px;font-weight:500;color:var(--slate);transition:.18s}
nav.menu a:hover{background:#eaf5f4;color:var(--teal-600)}
nav.menu a.active{color:var(--teal-600);background:#e7f6f4}
.has-drop{position:relative}
.has-drop>.drop-toggle{display:inline-flex;align-items:center;gap:5px}
.has-drop>.drop-toggle .chev{transition:transform .2s}
.has-drop:hover>.drop-toggle .chev{transform:rotate(180deg)}
.drop{position:absolute;top:calc(100% - 2px);left:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:7px;min-width:210px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s;z-index:60}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:none}
.drop a{display:block;padding:10px 12px;border-radius:9px;font-size:14px;font-weight:500;color:var(--slate)}
.drop a:hover{background:#eaf5f4;color:var(--teal-600)}
.mm-sub{padding-left:26px!important;font-size:13.5px;color:var(--slate-light)!important}
/* contact page */
.contact-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:16px}
.cinfo{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;transition:.25s}
.cinfo:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--teal-400)}
.cinfo .ico{width:46px;height:46px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:#fff;flex:none}
.cinfo h4{font-size:15px;margin-bottom:4px}
.cinfo p,.cinfo a{font-size:14px;color:var(--slate);line-height:1.55}
.cinfo a:hover{color:var(--teal-600)}
.contact-form{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow-sm)}
.contact-form h3{font-size:20px;margin-bottom:6px}
.contact-form .sub{color:var(--slate-light);font-size:14px;margin-bottom:20px}
.contact-form .btn-primary{width:100%;justify-content:center;padding:14px}
.map-embed{margin-top:28px;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);height:340px}
.map-embed iframe{width:100%;height:100%;border:0;display:block}
.form-ok{display:none;text-align:center;padding:30px 10px}
.form-ok.show{display:block}
.form-ok .check{width:64px;height:64px;border-radius:50%;background:var(--grad-soft);display:grid;place-items:center;margin:0 auto 16px}
.form-ok h3{margin-bottom:8px}.form-ok p{color:var(--slate);font-size:14.5px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14.5px;border-radius:11px;padding:11px 20px;cursor:pointer;border:1px solid transparent;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-sm);background-size:160% 160%}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow);background-position:100% 0}
.btn-ghost{background:#fff;color:var(--teal-600);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal-400);background:#f0fbfa;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--teal-600)}
.btn-glass{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.3);backdrop-filter:blur(6px)}
.btn-glass:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
.mobile-menu{display:none;flex-direction:column;gap:4px;padding:12px 24px 20px;border-bottom:1px solid var(--line);background:#fff}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:11px 12px;border-radius:10px;font-weight:500;color:var(--slate)}
.mobile-menu a:hover{background:#eaf5f4;color:var(--teal-600)}

/* Page hero (inner) */
.page-hero{position:relative;overflow:hidden;color:#fff;padding:66px 0 68px;background:var(--grad)}
.page-hero .ph-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center}
.page-hero .ph-ov{position:absolute;inset:0;z-index:0;background:linear-gradient(120deg,rgba(6,44,60,.88),rgba(30,64,110,.68) 50%,rgba(76,54,140,.74))}
.page-hero .ph-glow{position:absolute;inset:0;z-index:0;background:radial-gradient(700px 300px at 85% 0%,rgba(255,255,255,.16),transparent 60%)}
.page-hero .wrap{position:relative;z-index:1}
.crumb{font-size:13px;color:rgba(255,255,255,.85);margin-bottom:14px;display:flex;gap:8px;align-items:center}
.crumb a:hover{text-decoration:underline}
.page-hero h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.06;max-width:800px}
.page-hero p{font-size:17px;color:#e0eef4;max-width:620px;margin-top:14px}

/* Sections */
section{padding:76px 0;position:relative}
.sec-head{text-align:center;max-width:660px;margin:0 auto 48px}
.eyebrow{font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-600)}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;margin:12px 0 14px}
.sec-head p{color:var(--slate);font-size:16.5px}
.lead-p{color:var(--slate);font-size:16.5px;margin-bottom:16px}

/* Vision / mission cards */
.vm-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.vm{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px;position:relative;overflow:hidden;transition:.25s}
.vm:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--teal-400)}
.vm .ico{width:52px;height:52px;border-radius:14px;background:var(--grad);display:grid;place-items:center;color:#fff;margin-bottom:18px}
.vm h3{font-size:21px;margin-bottom:10px}
.vm p{color:var(--slate);font-size:15.5px}

/* Values */
.val-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.val-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;transition:.25s}
.val-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--teal-400)}
.val-card .ico{width:44px;height:44px;border-radius:12px;background:var(--grad-soft);display:grid;place-items:center;color:var(--teal-600);margin-bottom:14px}
.val-card h4{font-size:16px;margin-bottom:6px}
.val-card p{font-size:14px;color:var(--slate-light)}

/* Team */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.member{background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:.28s}
.member:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--teal-400)}
.member .photo{aspect-ratio:4/3;background:var(--grad-soft);display:grid;place-items:center;overflow:hidden}
.member .photo img{width:100%;height:100%;object-fit:cover}
.member .photo .ph{color:var(--teal-500);opacity:.5}
.member .info{padding:20px}
.member .info .role{display:inline-block;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:#fff;background:var(--grad);padding:4px 11px;border-radius:999px;margin-bottom:10px}
.member .info h3{font-size:18px;margin-bottom:6px}
.member .info p{font-size:13.5px;color:var(--slate-light)}

/* Membership */
.bene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.bene{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;transition:.25s}
.bene:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--teal-400)}
.bene .ico{width:44px;height:44px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:#fff;flex:none}
.bene h4{font-size:16px;margin-bottom:4px}
.bene p{font-size:14px;color:var(--slate-light)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 20px;position:relative}
.step .n{width:38px;height:38px;border-radius:11px;background:var(--grad);color:#fff;font-family:'Plus Jakarta Sans';font-weight:800;display:grid;place-items:center;margin-bottom:14px}
.step h4{font-size:15.5px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--slate-light)}
.info-box{background:var(--grad-soft);border:1px solid #cdeee9;border-radius:18px;padding:26px}
.info-box h4{font-size:16px;margin-bottom:10px}
.info-box ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.info-box li{display:flex;gap:10px;font-size:14.5px;color:var(--slate)}
.info-box li svg{flex:none;margin-top:3px;color:var(--teal-600)}
.iban{font-family:ui-monospace,monospace;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:14px;display:inline-block;margin-top:4px}

/* Event / news cards (reused look) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ev{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.3s;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.ev:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--teal-400)}
.ev .banner{height:140px;position:relative;display:flex;align-items:flex-end;padding:16px;background-size:cover;background-position:center}
.ev .banner.g1{background-image:linear-gradient(135deg,#0d9488,#0ea5e9)}
.ev .banner.g2{background-image:linear-gradient(135deg,#6366f1,#8b5cf6)}
.ev .banner.g3{background-image:linear-gradient(135deg,#0ea5e9,#22c55e)}
.ev .banner.has-img::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,26,40,.05),rgba(9,26,40,.5))}
.ev .banner .type{position:relative;z-index:1;background:rgba(255,255,255,.92);color:var(--ink);font-size:11.5px;font-weight:700;padding:5px 11px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}
.ev .body{padding:20px;display:flex;flex-direction:column;flex:1}
.ev .date{display:flex;align-items:center;gap:8px;color:var(--teal-600);font-weight:600;font-size:13px;margin-bottom:8px}
.ev h3{font-size:18px;margin-bottom:8px;line-height:1.25}
.ev p{font-size:14px;color:var(--slate-light);margin-bottom:16px}
.ev .more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--teal-600)}
.ev .more svg{transition:.2s}.ev:hover .more svg{transform:translateX(4px)}

/* CTA band */
.cta-band{position:relative;overflow:hidden;border-radius:28px;padding:56px;color:#fff;display:grid;grid-template-columns:1.3fr 1fr;gap:36px;align-items:center;box-shadow:var(--shadow)}
.cta-band::before{content:"";position:absolute;inset:0;background:var(--grad);z-index:0}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;margin-bottom:12px;line-height:1.12}
.cta-band p{font-size:16px;opacity:.95;max-width:440px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.btn-outline-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-w:hover{background:rgba(255,255,255,.14)}

/* Footer */
footer{background:#0b1f2b;color:#c8d6df;padding:60px 0 28px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand .logo .txt b{color:#fff}
.foot-brand p{font-size:14px;margin:16px 0;max-width:280px;color:#93a7b3}
.foot h5{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px}
.foot ul{list-style:none}
.foot ul li{margin-bottom:10px}
.foot ul li a{font-size:14px;color:#93a7b3;transition:.2s}
.foot ul li a:hover{color:var(--teal-400)}
.socials{display:flex;gap:10px;margin-top:6px}
.socials a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.07);display:grid;place-items:center;transition:.2s;color:#c8d6df}
.socials a:hover{background:var(--teal-500);color:#fff;transform:translateY(-3px)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#7c93a1}

/* Detail page */
.detail-hero-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);margin-bottom:32px;cursor:zoom-in}
.detail-hero-media img{width:100%;max-height:440px;object-fit:cover}
.detail-body{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.detail-body .prose p{color:var(--slate);font-size:16px;margin-bottom:16px}
.detail-body .prose h3{font-size:20px;margin:26px 0 12px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;position:sticky;top:96px}
.side-card h4{font-size:15px;margin-bottom:16px}
.side-card .kv{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.side-card .kv:last-of-type{border-bottom:none}
.side-card .kv .k{color:var(--slate-light);width:74px;flex:none}
.side-card .kv .v{font-weight:600}
.gallery-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}
.gallery-strip img{width:100%;height:110px;object-fit:cover;border-radius:12px;cursor:zoom-in;transition:.2s;border:1px solid var(--line)}
.gallery-strip img:hover{transform:scale(1.03);border-color:var(--teal-400)}

/* Membership modal */
.modal-overlay{position:fixed;inset:0;z-index:100;background:rgba(9,26,40,.55);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;visibility:hidden;transition:opacity .3s}
.modal-overlay.open{opacity:1;visibility:visible}
.modal{background:#fff;border-radius:22px;box-shadow:var(--shadow);width:100%;max-width:560px;max-height:92vh;overflow:hidden;display:flex;flex-direction:column;transform:translateY(22px) scale(.97);transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.modal-overlay.open .modal{transform:none}
.modal-head{position:relative;padding:26px 30px 20px;background:var(--grad);color:#fff;overflow:hidden}
.modal-head h3{font-size:22px;font-weight:800}
.modal-head p{font-size:14px;opacity:.92;margin-top:4px;max-width:400px}
.modal-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:10px;border:none;background:rgba(255,255,255,.18);color:#fff;cursor:pointer;display:grid;place-items:center;transition:.2s}
.modal-close:hover{background:rgba(255,255,255,.32);transform:rotate(90deg)}
.modal-body{padding:24px 30px 28px;overflow-y:auto}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.field label .req{color:#e11d48}
.field input,.field textarea{width:100%;font-family:'Inter',sans-serif;font-size:14.5px;color:var(--ink);padding:12px 14px;border:1px solid var(--line);border-radius:11px;background:var(--bg);transition:.2s;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--teal-400);background:#fff;box-shadow:0 0 0 4px rgba(45,212,191,.15)}
.field.invalid input,.field.invalid textarea{border-color:#f43f5e;background:#fff5f6}
.field .err{display:none;font-size:12px;color:#e11d48;margin-top:5px}
.field.invalid .err{display:block}
.modal .btn-primary{width:100%;justify-content:center;padding:14px;font-size:15px;margin-top:4px}
.modal-note{font-size:12px;color:var(--slate-light);text-align:center;margin-top:14px;line-height:1.5}
.modal-success{padding:44px 30px 40px;text-align:center;display:none}
.modal-success.show{display:block}
.modal-success .check{width:72px;height:72px;border-radius:50%;background:var(--grad-soft);display:grid;place-items:center;margin:0 auto 18px}
.modal-success h3{font-size:22px;margin-bottom:10px}
.modal-success p{color:var(--slate);font-size:15px;max-width:380px;margin:0 auto 22px}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:200;background:rgba(6,18,26,.92);display:none;align-items:center;justify-content:center;flex-direction:column;padding:30px}
.lb.open{display:flex}
.lb img#lbImg{max-width:90vw;max-height:78vh;border-radius:12px;box-shadow:0 30px 80px -20px rgba(0,0,0,.7)}
.lb-close{position:absolute;top:20px;right:24px;background:rgba(255,255,255,.14);color:#fff;border:none;width:44px;height:44px;border-radius:12px;font-size:20px;cursor:pointer}
.lb-close:hover{background:rgba(255,255,255,.26)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.14);color:#fff;border:none;width:52px;height:52px;border-radius:50%;font-size:24px;cursor:pointer}
.lb-nav:hover{background:rgba(255,255,255,.26)}
.lb-prev{left:24px}.lb-next{right:24px}
.lb-count{color:#cfe0e8;font-size:13px;margin-top:16px}
.lb-thumbs{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap;justify-content:center;max-width:90vw}
.lb-thumbs img{width:60px;height:44px;object-fit:cover;border-radius:7px;opacity:.55;cursor:pointer;border:2px solid transparent}
.lb-thumbs img.active{opacity:1;border-color:var(--teal-400)}

@media(max-width:900px){
  .vm-grid,.detail-body,.cta-band{grid-template-columns:1fr;gap:26px}
  .val-grid,.team-grid,.cards{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .bene-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .side-card{position:static}
}
@media(max-width:640px){
  nav.menu,.nav>.btn{display:none}
  .burger{display:block}
  .val-grid,.team-grid,.cards,.steps,.foot-grid,.form-row,.gallery-strip{grid-template-columns:1fr}
  section{padding:56px 0}
  .cta-band{padding:36px 26px}
}