:root{
  --navy:#0a2a5e; --navy2:#123a7a; --blue:#2f7bd0; --sky:#bfe0f7; --ice:#f4f8fc; --ink:#14213d; --muted:#5b6b86;
  --white:#fff; --radius:18px; --shadow:0 10px 30px rgba(10,42,94,.12);
  --serif:'Playfair Display',Georgia,serif; --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:hidden;scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:var(--white);line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
.narrow{width:min(760px,100% - 40px)}
h1,h2,h3{font-family:var(--serif);line-height:1.2;color:var(--navy)}
h2{font-size:clamp(1.8rem,5vw,2.6rem);margin-bottom:.6em}
.sub{font-size:1.4rem;margin:1.8em 0 .9em}
.eyebrow{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--blue);margin-bottom:.4rem}
.lead{color:var(--muted);margin-bottom:1.4rem;font-size:1.05rem}
.prose p{margin-bottom:1em}
.sec{padding:84px 0}
.alt{background:var(--ice)}
.hp{position:absolute!important;left:-9999px;opacity:0;height:0;width:0}

/* butonlar */
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;border:2px solid var(--blue);padding:.8rem 1.5rem;border-radius:999px;font-weight:600;font-size:1rem;cursor:pointer;font-family:inherit;transition:.2s}
.btn:hover{background:var(--navy);border-color:var(--navy);transform:translateY(-2px)}
.btn.ghost{background:transparent;border-color:rgba(255,255,255,.8)}
.btn.ghost:hover{background:#fff;color:var(--navy)}
.btn.ghost.dark{color:var(--navy);border-color:var(--navy)}
.btn.ghost.dark:hover{background:var(--navy);color:#fff}

/* navbar */
.nav{position:fixed;inset:0 0 auto 0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(10,42,94,.08)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-family:var(--serif);font-weight:700;font-size:1.3rem;color:var(--navy)}
.brand img{width:44px;height:44px;border-radius:50%}
.menu{display:flex;align-items:center;gap:1.4rem}
.menu a{text-decoration:none;font-weight:500;font-size:.95rem;color:var(--ink);padding:.3rem 0;position:relative}
.menu a:not(.cta)::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--blue);transition:.2s}
.menu a:not(.cta):hover::after{width:100%}
.menu .cta{background:var(--navy);color:#fff;padding:.55rem 1.1rem;border-radius:999px}
.menu .cta:hover{background:var(--blue)}
.menu-close,.scrim{display:none}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:24px;height:2.5px;background:var(--navy);border-radius:2px;transition:.25s}

@media (max-width:980px){
  .nav{backdrop-filter:none;background:#fff}
  .burger{display:flex;position:relative;z-index:1}
  .menu{position:fixed;top:0;right:0;height:100dvh;width:min(320px,84vw);background:var(--navy);flex-direction:column;align-items:flex-start;gap:0;padding:80px 28px 28px;transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);box-shadow:-12px 0 40px rgba(0,0,0,.25);z-index:3;overflow-y:auto;visibility:hidden}
  .menu.open{transform:none;visibility:visible}
  .menu a{color:#fff;font-size:1.1rem;width:100%;padding:.9rem 0;border-bottom:1px solid rgba(255,255,255,.12)}
  .menu a:not(.cta)::after{display:none}
  .menu .cta{background:var(--blue);margin-top:1.2rem;text-align:center;border:0;border-radius:999px;padding:.85rem}
  .menu-close{display:block;position:absolute;top:14px;right:18px;background:none;border:0;color:#fff;font-size:2.4rem;line-height:1;cursor:pointer}
  .scrim{display:block;position:fixed;inset:0;background:rgba(5,15,40,.55);opacity:0;pointer-events:none;transition:.3s;z-index:2}
  .scrim.show{opacity:1;pointer-events:auto}
}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;text-align:center;padding:110px 0 140px;background:linear-gradient(160deg,#07204a 0%,#0a2a5e 45%,#2f7bd0 100%);overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 10%,rgba(191,224,247,.35),transparent 50%)}
.hero-in{position:relative;z-index:2}
.hero-logo{width:clamp(120px,26vw,190px);margin:0 auto 1.2rem;border-radius:50%;box-shadow:0 14px 40px rgba(0,0,0,.35)}
.hero h1{color:#fff;font-size:clamp(2rem,7vw,3.8rem);max-width:18ch;margin:0 auto .6rem}
.hero p{max-width:640px;margin:0 auto 1.8rem;font-size:clamp(1rem,2.6vw,1.2rem);opacity:.92}
.hero-btns{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}
.hero .btn{background:#fff;color:var(--navy);border-color:#fff}
.hero .btn:hover{background:var(--sky);border-color:var(--sky);color:var(--navy)}
.hero .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.8)}
.hero .btn.ghost:hover{background:#fff;color:var(--navy)}
.wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:90px;z-index:2}

/* hakkımızda */
.about{display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:start}
.mv{display:grid;gap:1rem}
.mv div{background:var(--ice);border-left:4px solid var(--blue);padding:1.1rem 1.3rem;border-radius:12px}
.mv b{display:block;color:var(--navy);margin-bottom:.2rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:1rem;margin-top:1.2rem}
.stats div{background:var(--navy);color:#fff;border-radius:14px;padding:1.1rem .8rem;text-align:center}
.stats strong{display:block;font-family:var(--serif);font-size:1.8rem}
.stats span{font-size:.82rem;opacity:.85}
@media (max-width:860px){.about{grid-template-columns:1fr;gap:1.6rem}.sec{padding:64px 0}}

/* gridler */
.grid{display:grid;gap:1.4rem}
.cards{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);cursor:pointer;display:flex;flex-direction:column;transition:.25s;border:0;text-align:left;font:inherit;color:inherit;padding:0}
.card:hover,.card:focus-visible{transform:translateY(-6px);box-shadow:0 18px 40px rgba(10,42,94,.2);outline:none}
.card .ph{aspect-ratio:16/10;background:var(--sky) center/cover no-repeat;position:relative}
.card .ph.contain{background-size:contain;background-color:#e8f3fc}
.card .tx{padding:1.2rem 1.3rem 1.4rem;display:flex;flex-direction:column;gap:.4rem;flex:1}
.card h3{font-size:1.2rem}
.card p{color:var(--muted);font-size:.95rem}
.card .more{margin-top:auto;padding-top:.5rem;font-weight:600;color:var(--blue);font-size:.9rem}
.card .dt{font-size:.78rem;color:var(--blue);font-weight:600}
.empty{color:var(--muted);padding:1rem 0}

.people{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.person{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:1.6rem 1rem 1.4rem;text-align:center}
.avatar{width:128px;height:128px;border-radius:50%;margin:0 auto 1rem;background:linear-gradient(135deg,var(--navy),var(--blue)) center/cover;display:grid;place-items:center;color:#fff;font-family:var(--serif);font-size:2.4rem;border:4px solid var(--sky)}
.person h4{font-size:1.05rem;color:var(--navy)}
.person .role{color:var(--muted);font-size:.9rem;margin-bottom:.8rem}
.li{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;font-weight:600;color:#fff;background:#0a66c2;text-decoration:none;padding:.4rem .9rem;border-radius:999px}
.li:hover{background:#084e94}
.li svg{width:16px;height:16px;fill:#fff}

/* galeri */
.gallery{columns:3 240px;column-gap:1rem}
.gallery button{display:block;width:100%;margin:0 0 1rem;border:0;padding:0;background:none;cursor:zoom-in;border-radius:14px;overflow:hidden;break-inside:avoid;box-shadow:var(--shadow)}
.gallery img{width:100%;transition:.35s}
.gallery button:hover img{transform:scale(1.05)}

/* sponsorlar */
.card-promo{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center;background:var(--ice);border-radius:var(--radius);padding:1.6rem;margin-bottom:1rem}
.card-promo img{border-radius:16px;box-shadow:var(--shadow);width:100%}
.card-promo h3{font-size:1.6rem;margin-bottom:.5rem}
.card-promo p{color:var(--muted);margin-bottom:1.2rem}
@media (max-width:760px){.card-promo{grid-template-columns:1fr;padding:1rem}}
.sponsors{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1.4rem 1rem}
.sp{text-align:center;text-decoration:none;display:block}
.sp .lg{width:min(130px,100%);aspect-ratio:1;border-radius:50%;margin:0 auto .6rem;background:#fff;box-shadow:var(--shadow);overflow:hidden;border:3px solid #fff;transition:.25s}
.sp:hover .lg{transform:translateY(-4px) scale(1.04)}
.sp .lg img{width:100%;height:100%;object-fit:cover}
.sp .nm{font-size:.82rem;color:var(--muted);line-height:1.3;margin-bottom:.25rem}
.sp .pc{display:inline-block;background:var(--navy);color:#fff;font-weight:700;font-size:.95rem;padding:.15rem .8rem;border-radius:999px}
.sp .pc.sp-special{background:var(--blue);font-size:.8rem}

/* formlar */
.form{display:grid;gap:1rem;background:#fff;padding:1.6rem;border-radius:var(--radius);box-shadow:var(--shadow)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:600px){.row{grid-template-columns:1fr}.form{padding:1.2rem}}
.form label{display:grid;gap:.35rem;font-size:.88rem;font-weight:600;color:var(--navy)}
.form input,.form textarea{font:inherit;font-size:1rem;padding:.8rem 1rem;border:1.5px solid #cfdbea;border-radius:12px;background:#fff;color:var(--ink);width:100%}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,123,208,.18)}
.form .btn:disabled{opacity:.6;cursor:wait}
.msg{font-size:.95rem;min-height:1.3em}
.msg.ok{color:#0a7a3d}.msg.err{color:#c0262d}

/* harita */
.map{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin:0 0 1.2rem;aspect-ratio:16/8;min-height:320px;background:var(--sky)}
.map iframe{width:100%;height:100%;border:0}

/* footer */
.footer{background:var(--navy);color:#d7e5f7;padding-top:3rem}
.foot-in{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2rem;padding-bottom:2rem}
@media (max-width:760px){.foot-in{grid-template-columns:1fr}}
.logos{display:flex;gap:.8rem;align-items:center;margin-bottom:1rem}
.logos img{width:58px;height:58px;border-radius:50%;background:#fff;object-fit:cover}
.logos img.beun{border-radius:10px;object-fit:contain;width:auto;height:58px;padding:2px}
.footer h4{color:#fff;margin-bottom:.8rem;font-family:var(--sans);font-size:1rem}
.footer ul{list-style:none;display:grid;gap:.5rem}
.footer a{text-decoration:none;color:#d7e5f7}
.footer a:hover{color:#fff;text-decoration:underline}
.copy{border-top:1px solid rgba(255,255,255,.12);padding:1rem 20px;text-align:center;font-size:.85rem;opacity:.8}

/* modal */
.modal{position:fixed;inset:0;background:rgba(5,15,40,.7);z-index:100;display:flex;align-items:flex-start;justify-content:center;padding:max(20px,4vh) 14px;overflow-y:auto;overscroll-behavior:contain}
.modal[hidden],.lightbox[hidden]{display:none}
.modal-box{position:relative;background:#fff;border-radius:20px;width:min(860px,100%);overflow:hidden;animation:pop .25s ease}
@keyframes pop{from{opacity:0;transform:translateY(20px)}}
.modal-x{position:absolute;top:10px;right:12px;z-index:3;width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.92);font-size:1.8rem;line-height:1;cursor:pointer;color:var(--navy);box-shadow:0 2px 10px rgba(0,0,0,.2)}
.m-hero{aspect-ratio:16/8;background:var(--sky) center/cover}
.m-hero.contain{background-size:contain;background-repeat:no-repeat;background-color:#e8f3fc}
.m-body{padding:1.6rem}
.m-date{color:var(--blue);font-weight:600;font-size:.85rem}
.m-body h3{font-size:1.7rem;margin:.2rem 0 1rem}
.m-photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.7rem;margin-top:1.4rem}
.m-photos button{border:0;padding:0;background:none;cursor:zoom-in;border-radius:12px;overflow:hidden;aspect-ratio:4/3}
.m-photos img{width:100%;height:100%;object-fit:cover;transition:.3s}
.m-photos button:hover img{transform:scale(1.06)}
.lightbox{position:fixed;inset:0;background:rgba(3,10,26,.95);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.lightbox figure{max-width:100%;text-align:center}
.lightbox img{max-height:82vh;max-width:min(94vw,1200px);margin:0 auto;border-radius:8px}
.lightbox figcaption{color:#fff;margin-top:.8rem;font-size:.95rem}
.lb-x{position:absolute;top:12px;right:18px;font-size:2.6rem;color:#fff;background:none;border:0;cursor:pointer;line-height:1}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:64px;font-size:3rem;color:#fff;background:rgba(255,255,255,.1);border:0;cursor:pointer;border-radius:10px}
.lb-nav.prev{left:8px}.lb-nav.next{right:8px}
.lb-nav:hover{background:rgba(255,255,255,.25)}
body.lock{overflow:hidden}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}.reveal{opacity:1;transform:none}}