:root{--teal:#007f83;--deep:#005b62;--ink:#163b43;--cream:#f6f3ec;--coral:#ed705c;--yellow:#f6c85f;--line:#dbe6e4}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:"DM Sans",Arial,sans-serif;background:#fff}
.container{width:min(1160px,calc(100% - 48px));margin:auto}
.topbar{background:var(--deep);color:#d7f1ee;font-size:12px;letter-spacing:.03em}
.topbar .container{height:35px;display:flex;justify-content:space-between;align-items:center}
.topbar a{color:#fff;text-decoration:none}
.topbar a span{margin-left:8px}
.header{height:86px;background:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid #edf1ef}
.nav{height:100%;display:flex;align-items:center;gap:35px}
.brand{display:flex;gap:10px;align-items:center;color:var(--ink);text-decoration:none;line-height:1}
.brand-mark{width:39px;height:39px;border-radius:50%;display:grid;place-items:center;background:var(--teal);color:#fff;font-family:"Playfair Display",serif;font-size:25px;font-weight:bold}
.brand strong,.brand small{display:block}
.brand strong{font-size:12px;letter-spacing:.06em}
.brand small{font-size:8px;letter-spacing:.28em;margin-top:5px;color:#679095}
nav{margin-left:auto;display:flex;align-items:center;gap:25px}
nav a{font-size:14px;color:#31545b;text-decoration:none;transition:.2s}
nav a:hover,nav .active{color:var(--teal)}
/* Ust menu baglantilarinin altinda, amblemdeki ay tonlarindan (#0888a0 -> #00e8e8)
   olusan ince led serit. Yalnizca masaustu duzeninde; 800px altinda menu yandan
   acilan cekmeceye donustugu icin orada uygulanmaz. */
@media(min-width:801px){
  .header nav#main-nav>a{position:relative;padding-bottom:7px}
  .header nav#main-nav>a::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
    background:linear-gradient(90deg,#0888a0,#00e8e8 50%,#0888a0);
    opacity:0;transform:scaleX(.3);transform-origin:50% 50%;pointer-events:none;
    transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease
  }
  .header nav#main-nav>a:hover::after,
  .header nav#main-nav>a:focus-visible::after{
    opacity:1;transform:scaleX(1);
    box-shadow:0 0 6px rgba(0,232,232,.85),0 0 15px rgba(8,136,160,.45)
  }
}
@media(prefers-reduced-motion:reduce){.header nav#main-nav>a::after{transition:none}}
.join-button,.primary-button,.outline-button,.white-button{display:inline-flex;align-items:center;gap:21px;padding:14px 19px;border-radius:2px;font-size:13px;font-weight:700;text-decoration:none;transition:.2s}
.join-button,.primary-button{background:var(--teal);color:#fff}
.join-button:hover,.primary-button:hover{background:var(--deep);transform:translateY(-2px)}
.menu-button{display:none;border:0;background:none;font-size:25px;color:var(--teal);margin-left:auto}
#main-nav .nav-kapat,#main-nav .nav-auth,.nav-backdrop{display:none}
.hero{min-height:625px;position:relative;overflow:hidden;background:var(--cream)}
.hero-content{padding-top:112px;position:relative;z-index:2}
.eyebrow{margin:0 0 18px;color:#45666c;font-size:11px;font-weight:700;letter-spacing:.15em}
.eyebrow span{width:27px;height:2px;background:var(--coral);display:inline-block;vertical-align:middle;margin-right:9px}
.eyebrow.turquoise{color:var(--teal)}
.eyebrow.turquoise span{background:var(--teal)}
h1,h2,h3{margin:0;font-family:"Playfair Display",Georgia,serif}
h1{font-size:60px;line-height:1.08;letter-spacing:-.035em;max-width:660px}
h1 em,h2 em{font-weight:inherit;color:var(--teal)}
.hero-copy{color:#567178;max-width:415px;font-size:17px;line-height:1.6;margin:25px 0}
.hero-actions{display:flex;align-items:center;gap:26px}
.video-link{color:var(--ink);font-size:13px;font-weight:700;text-decoration:none}
.video-link i{display:inline-grid;place-items:center;width:29px;height:29px;border:1px solid #b4c6c4;border-radius:50%;font-style:normal;font-size:9px;margin-right:8px}
.hero-image{position:absolute;right:0;top:0;width:46%;height:100%;background:linear-gradient(90deg,rgba(246,243,236,.1),rgba(0,0,0,.15)),url('assets/golbasi-golu-cocuklar.webp') center/cover}
.hero-note{background:#fff;position:absolute;z-index:3;bottom:0;right:39%;padding:17px 22px;display:flex;gap:10px;font-size:12px;line-height:1.4;box-shadow:0 7px 20px #193e3c12}
.hero-note strong{font-size:13px}
.dot{width:9px;height:9px;background:var(--coral);border-radius:50%;margin-top:5px}
.scroll-note{position:absolute;z-index:3;bottom:29px;left:calc((100% - 1160px)/2);font-size:11px;letter-spacing:.1em;color:#678184;writing-mode:vertical-rl}
.scroll-note span{margin-top:10px;color:var(--coral)}
.shape-one,.shape-two{position:absolute;border-radius:50%;border:1px solid #d8e5df}
.shape-one{width:500px;height:500px;right:37%;top:-270px}
.shape-two{width:220px;height:220px;left:-110px;bottom:-120px}
.intro{padding:125px 0 105px}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}
.intro h2,.section-heading h2,.contact h2{font-size:47px;line-height:1.12;letter-spacing:-.035em}
.intro-text{padding-top:31px}
.intro-text p{font-size:17px;color:#587077;line-height:1.75;margin:0 0 22px}
.text-link{font-size:13px;font-weight:700;color:var(--teal);text-decoration:none}
.text-link span{padding-left:9px}
.numbers{background:var(--teal);color:white}
.number-grid{min-height:152px;display:grid;grid-template-columns:repeat(4,1fr);align-items:center}
.number-grid>div{padding-left:33px;border-left:1px solid #4ea5a3}
.number-grid>div:first-child{padding-left:0;border:0}
.number-grid strong{font-family:"Playfair Display",serif;font-size:37px}
.number-grid strong span{color:var(--yellow)}
.number-grid p{font-size:12px;margin:5px 0 0;color:#c5e9e6}
.activities{padding:117px 0;background:#fbfcfb}
.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:47px}
.outline-button{color:var(--teal);border:1px solid #a1ceca;padding:12px 17px}
.outline-button:hover{background:var(--teal);color:#fff}
.activity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}
.activity-card{min-height:325px;padding:30px;position:relative;color:#fff;overflow:hidden}
.activity-card:after{content:"";position:absolute;width:180px;height:180px;border:1px solid #ffffff55;border-radius:50%;right:-65px;bottom:-70px}
.activity-card.coral{background:var(--coral)}
.activity-card.teal{background:var(--teal)}
.activity-card.navy{background:#173f4a}
.card-number{font-size:12px;opacity:.76}
.icon{font-size:37px;margin:30px 0 37px}
.activity-card h3{font-size:28px;line-height:1.1}
.activity-card p{font-size:13px;line-height:1.55;width:88%;opacity:.9}
.activity-card>a{position:absolute;bottom:25px;font-size:25px;color:#fff;text-decoration:none;z-index:1}
.project{background:#123b44;padding:80px 0}
.project-wrap{display:grid;grid-template-columns:1.05fr .95fr;min-height:440px}
.project-image{background:url('https://images.unsplash.com/photo-1517486808906-6ca8b3f04846?auto=format&fit=crop&w=1100&q=85') center/cover}
.project-content{padding:54px 65px;color:#fff}
.eyebrow.light{color:#b8dcda}
.eyebrow.light span{background:var(--yellow)}
.project-tag{color:var(--yellow);font-size:10px;font-weight:bold;letter-spacing:.15em}
.project h2{font-size:38px;line-height:1.15;margin:14px 0 19px}
.project h2 em{color:#82d3ca}
.project-content>p:not(.eyebrow){color:#c6d7d7;font-size:15px;line-height:1.7;margin-bottom:24px}
.white-button{background:#fff;color:var(--deep)}
.white-button:hover{background:var(--yellow);transform:translateY(-2px)}
.news{padding:112px 0 122px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-image{height:205px;background-size:cover;background-position:center}
.news-image.one{background-image:url('https://images.unsplash.com/photo-1542810634-71277d95dcbb?auto=format&fit=crop&w=750&q=80')}
.news-image.two{background-image:url('https://images.unsplash.com/photo-1469474968028-56623f02e42e?auto=format&fit=crop&w=750&q=80')}
.news-image.three{background-image:url('https://images.unsplash.com/photo-1540575467063-178a50c2df87?auto=format&fit=crop&w=750&q=80')}
.news-date{font-size:10px;color:#799397;font-weight:bold;letter-spacing:.12em;margin:18px 0 10px}
.news h3{font-size:21px;line-height:1.25;max-width:290px}
.news article>a{display:inline-block;margin-top:13px;color:var(--teal);text-decoration:none;font-size:12px;font-weight:bold}
.contact{background:linear-gradient(110deg,var(--teal),#006c75);color:#fff;text-align:center;position:relative;overflow:hidden}
.contact:before,.contact:after{content:"";position:absolute;border:1px solid #ffffff2b;border-radius:50%;width:470px;height:470px}
.contact:before{left:-230px;top:-300px}
.contact:after{right:-220px;bottom:-300px}
.contact-inner{position:relative;z-index:1;padding:88px 0}
.contact h2{font-size:49px;margin:0 0 28px}
.contact h2 em{color:var(--yellow)}
footer{background:#f4f6f4;padding:34px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between}
.footer-inner p{font-size:11px;color:#779094}
.footer-inner .designer-link{display:inline-block;margin-top:7px;color:var(--teal);font-size:11px;font-weight:700;text-decoration:none}.footer-inner .designer-link:hover{text-decoration:underline}
.site-footer{background:#113c43;color:#d9eeec;padding:65px 0 0}.footer-main{display:grid;grid-template-columns:1.6fr .8fr .8fr 1.15fr;gap:45px;padding-bottom:54px}.site-footer .footer-brand{color:#fff}.site-footer .brand-mark{background:#56beb7}.footer-about>p{max-width:295px;margin:21px 0;color:#a9cbc9;font-size:13px;line-height:1.7}.site-footer h3{font:700 12px "DM Sans",Arial,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin:8px 0 20px}.footer-column{display:flex;flex-direction:column;gap:12px}.footer-column a,.footer-contact>a,.footer-contact p{color:#a9cbc9;text-decoration:none;font-size:13px;line-height:1.45}.footer-column a:hover,.footer-contact>a:hover{color:#fff}.footer-contact{display:flex;flex-direction:column;align-items:flex-start;gap:9px}.footer-contact p{margin:0}.footer-cta{display:inline-flex;margin-top:12px!important;gap:22px;border:1px solid #6fa8a5;padding:11px 14px;color:#fff!important;font-size:12px!important;font-weight:700}.footer-cta:hover{background:#fff;color:#113c43!important}.site-footer .socials{margin-top:22px}.site-footer .socials a{width:29px;height:29px;border-color:#669a97;color:#d9eeec}.site-footer .socials a:hover{background:#56beb7;border-color:#56beb7;color:#113c43}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:25px;border-top:1px solid #ffffff25;padding:22px 0}.footer-bottom p,.footer-bottom a{margin:0;color:#91b9b7;text-decoration:none;font-size:11px}.footer-bottom>div{display:flex;align-items:center;gap:19px}.footer-bottom a:hover{color:#fff}.footer-bottom .designer-link{color:#72d1cb;font-weight:700}@media(max-width:800px){.site-footer{padding-top:50px}.footer-main{grid-template-columns:repeat(2,1fr);gap:34px}.footer-about{grid-column:1/-1}.footer-bottom{align-items:flex-start;flex-direction:column}.footer-bottom>div{flex-wrap:wrap;gap:10px 18px}}@media(max-width:470px){.footer-main{grid-template-columns:1fr}.footer-about{grid-column:auto}.footer-bottom>div{display:flex;flex-direction:column;align-items:flex-start;gap:10px}}
.socials{display:flex;gap:8px}
.socials a{display:grid;place-items:center;width:25px;height:25px;border:1px solid #abc1c0;border-radius:50%;text-decoration:none;color:var(--teal);font-size:10px;font-weight:bold}
@media(max-width:800px){.header{height:70px;z-index:1300}
.nav{gap:14px}
.join-button,nav{display:none}
.menu-button{display:block}
/* Mobil: sagdan sola kayan yan menu */
nav#main-nav{display:flex;position:fixed;top:0;right:0;bottom:0;width:min(80vw,320px);flex-direction:column;align-items:stretch;gap:0;margin:0;padding:0 0 26px;background:#fff;box-shadow:-16px 0 42px rgba(0,73,78,.18);transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:1300;overflow-y:auto;overscroll-behavior:contain}
nav#main-nav.open{transform:translateX(0)}
nav#main-nav>a{padding:15px 22px;border-bottom:1px solid #f0f6f5;font-size:15px;font-weight:600;color:#24474d}
nav#main-nav>a:hover{background:#f8fcfb;color:var(--teal)}
nav#main-nav>a.active{color:var(--teal);background:#f8fcfb;box-shadow:inset 3px 0 0 var(--teal)}
nav#main-nav .nav-kapat{order:-2;flex:0 0 auto;width:34px;height:34px;margin:0;padding:0;display:grid;place-items:center;border:1px solid #e2eeec;border-radius:50%;background:#fff;color:#24474d;font-size:19px;line-height:1;cursor:pointer}
nav#main-nav .nav-kapat:hover{background:#f8fcfb;color:var(--teal)}
nav#main-nav .nav-auth{order:-1;display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;gap:6px;padding:10px 12px 12px;border-bottom:1px solid #eef4f3}
nav#main-nav .nav-auth .auth-button{flex:1 1 0;min-width:0;justify-content:center;padding:10px 4px;font-size:11px;gap:0;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
nav#main-nav .nav-auth .auth-button span{display:none}
.nav-backdrop{display:block;position:fixed;inset:0;background:rgba(17,60,67,.55);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;z-index:1290}
.nav-backdrop.open{opacity:1;visibility:visible}
body.nav-acik{overflow:hidden}
.hero{min-height:650px}
.hero-image{opacity:.25;width:100%;z-index:0}
.hero-content{padding-top:75px}
.hero-note{right:24px}
.scroll-note{display:none}
h1{font-size:47px}
.intro{padding:75px 0}
.intro-grid,.project-wrap{grid-template-columns:1fr;gap:25px}
.intro-text{padding-top:0}
.number-grid{grid-template-columns:repeat(2,1fr);padding:25px 0;gap:25px}
.number-grid>div:nth-child(3){padding-left:0;border:0}
.activity-grid,.news-grid{grid-template-columns:1fr}
.section-heading{align-items:start;gap:20px}
.project-image{min-height:290px}
.project-content{padding:45px 30px}
.footer-inner{flex-direction:column;gap:18px}
.contact h2,.intro h2,.section-heading h2{font-size:39px}
}
@media(max-width:470px){.container{width:min(100% - 34px,1160px)}
.topbar{display:none}
.hero{min-height:620px}
.header{top:0}
.hero-content{padding-top:75px}
h1{font-size:40px}
.hero-actions{flex-direction:column;align-items:flex-start;gap:18px}
.hero-note{left:17px;right:auto}
.section-heading{flex-direction:column}
.outline-button{margin-top:5px}
.activity-card{min-height:290px}
.project h2{font-size:33px}
}
.faq{padding:115px 0;background:#fff}.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;align-items:start}.faq h2{font-size:46px;line-height:1.13;letter-spacing:-.035em}.faq>div>p:not(.eyebrow){max-width:360px;color:#617a7f;font-size:16px;line-height:1.7;margin-top:20px}.faq-list{border-top:1px solid #cce0de}.faq-list details{border-bottom:1px solid #cce0de;padding:0}.faq-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:21px 0;cursor:pointer;color:#214950;font-family:"Playfair Display",Georgia,serif;font-size:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{font-family:"DM Sans",Arial,sans-serif;color:var(--teal);font-size:23px;transition:transform .2s}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details p{max-width:600px;margin:0;padding:0 35px 21px 0;color:#657e82;font-size:14px;line-height:1.7}@media(max-width:800px){.faq{padding:75px 0}.faq-grid{grid-template-columns:1fr;gap:34px}.faq h2{font-size:39px}}@media(max-width:470px){.faq-list summary{font-size:17px;padding:17px 0}.faq-list details p{padding-right:0}.faq>div>p:not(.eyebrow){font-size:15px}}