/* =========================================================
   YKB — S.S. Yahya Kaptan Birlik Yapı Kooperatifi
   Stylesheet
   ========================================================= */

:root{
  --ink:#0E1217;
  --ink-2:#151A21;
  --charcoal:#1E2530;
  /* "gold-*" değişken adları korundu; değerler kurumsal maviye çevrildi */
  --gold:#1C6DB5;
  --gold-2:#84BEF0;
  --gold-deep:#1D6FB8;
  --gold-grad:linear-gradient(135deg,#CDE7FC 0%,#9ACCF3 45%,#69ABE6 100%);
  --cream:#F7F5F0;
  --paper:#FFFFFF;
  --slate:#3A424C;
  --muted:#727C88;
  --line:rgba(14,18,23,.10);
  --line-2:rgba(14,18,23,.06);
  --shadow-sm:0 2px 10px rgba(14,18,23,.06);
  --shadow:0 18px 50px rgba(14,18,23,.10);
  --shadow-lg:0 30px 70px rgba(14,18,23,.16);
  --r:14px;
  --r-lg:22px;
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --head:'Montserrat',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);
  color:var(--slate);
  background:var(--paper);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:var(--head);color:var(--ink);line-height:1.15;font-weight:800;letter-spacing:-.01em}
strong{color:var(--ink);font-weight:700}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

.gold-text{
  background:var(--gold-grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

.skip-link{
  position:absolute;left:0;top:-60px;z-index:1000;
  background:var(--ink);color:#fff;padding:12px 18px;border-radius:0 0 10px 0;transition:top .2s;
}
.skip-link:focus{top:0}

/* ---------- Buttons ---------- */
.btn{
  --btn-bg:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--head);font-weight:700;font-size:.95rem;letter-spacing:.01em;
  padding:14px 26px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn--gold{background:var(--gold);color:#ffffff;box-shadow:0 10px 24px rgba(19,78,123,.35)}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(19,78,123,.45)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-2px)}
.btn--lg{padding:16px 32px;font-size:1rem}
.btn--block{width:100%}

/* ---------- Top bar ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-size:.82rem}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;min-height:42px;gap:16px}
.topbar__left{display:flex;gap:22px;flex-wrap:wrap}
.topbar__item{display:inline-flex;align-items:center;gap:7px}
.topbar__item svg{width:14px;height:14px;fill:var(--gold)}
.topbar__item a:hover{color:#fff}
.topbar__right{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.85)}
.topbar__badge{color:var(--gold-2);font-weight:600;letter-spacing:.02em}
.topbar__sep{opacity:.4}

/* ---------- Header ---------- */
.header{
  position:sticky;top:0;z-index:900;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(150%) blur(12px);
  -webkit-backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid var(--line-2);
  transition:box-shadow .3s,background .3s;
}
.header.scrolled{box-shadow:var(--shadow-sm);background:rgba(255,255,255,.95)}
.header__inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:18px}

/* Brand lockup */
.brand{display:inline-flex;align-items:center;gap:12px}
.brand__mark{width:52px;height:38px;flex:none}
.mark-svg{width:100%;height:100%;overflow:visible}
.mark-text{font-family:var(--head);font-weight:800;font-size:70px;fill:var(--ink);letter-spacing:-3px}
.mark-ss{font-family:var(--head);font-weight:600;font-size:22px;fill:var(--ink)}
.mark-svg--gold .mark-text{fill:#fff}
.mark-skyline rect{fill:var(--ink)}
.mark-skyline--gold rect{fill:#fff}
.brand__word{display:flex;flex-direction:column;line-height:1.1}
.brand__word-main{font-family:var(--head);font-weight:800;font-size:1.02rem;color:var(--ink);letter-spacing:.01em}
.brand__word-sub{font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-deep);font-weight:600}

/* Nav */
.nav{display:flex;align-items:center;gap:6px}
.nav__link{
  font-family:var(--head);font-weight:600;font-size:.92rem;color:var(--slate);
  padding:10px 13px;border-radius:8px;position:relative;transition:color .2s;
}
.nav__link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:5px;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);border-radius:2px;
}
.nav__link:hover,.nav__link.active{color:var(--ink)}
.nav__link:hover::after,.nav__link.active::after{transform:scaleX(1)}
.nav__cta{margin-left:8px}
.nav__cta::after{display:none}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{width:26px;height:2.5px;background:var(--ink);border-radius:3px;transition:transform .3s var(--ease),opacity .3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(160deg,#0E1217 0%,#161d28 55%,#1c2634 100%);color:#fff;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-1}
.hero__skyline{position:absolute;right:0;bottom:0;top:0;width:min(54%,760px);opacity:.72}
.hero__skyline svg{width:100%;height:100%}
.hero__glow{position:absolute;right:6%;top:8%;width:560px;height:560px;background:radial-gradient(circle,rgba(132,190,240,.30),transparent 70%);filter:blur(16px)}
.hero__inner{position:relative;padding:clamp(70px,11vw,140px) 24px clamp(64px,9vw,120px)}
.hero__eyebrow{
  display:inline-block;font-family:var(--head);font-weight:600;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold-2);padding:8px 16px;border:1px solid rgba(28,109,181,.4);border-radius:999px;margin-bottom:26px;
  background:rgba(28,109,181,.08);
}
.hero__title{font-size:clamp(2.6rem,6.2vw,4.6rem);color:#fff;letter-spacing:-.02em;margin-bottom:22px}
.hero__lead{font-size:clamp(1.05rem,2vw,1.28rem);color:rgba(255,255,255,.82);max-width:620px;margin-bottom:36px;line-height:1.7}
.hero__lead strong{color:var(--gold-2)}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero__chips{display:flex;gap:26px;flex-wrap:wrap}
.hero__chips li{display:inline-flex;align-items:center;gap:9px;font-size:.95rem;color:rgba(255,255,255,.9);font-weight:500}
.hero__chips svg{width:20px;height:20px;fill:var(--gold-2);flex:none}

/* ---------- Stats ---------- */
.stats{background:var(--ink-2);color:#fff;border-top:1px solid rgba(255,255,255,.06)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:38px 24px;text-align:center;border-left:1px solid rgba(255,255,255,.07)}
.stat:first-child{border-left:0}
.stat__num{font-family:var(--head);font-weight:800;font-size:clamp(2rem,4vw,2.9rem);line-height:1;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;margin-bottom:10px}
.stat__num--text{font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:.02em}
.stat__label{font-size:.9rem;color:rgba(255,255,255,.62);letter-spacing:.02em}

/* ---------- Sections ---------- */
.section{padding:clamp(66px,9vw,118px) 0}
.section--tint{background:var(--cream)}
.section--dark{background:linear-gradient(165deg,#0E1217,#1a222e);color:#fff}
.eyebrow{font-family:var(--head);font-weight:700;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:14px}
.eyebrow--light{color:var(--gold-2)}
.section__head{max-width:680px;margin:0 auto clamp(42px,5vw,60px);text-align:center}
.section__head--left{text-align:left;margin-left:0}
.section__title{font-size:clamp(1.9rem,3.6vw,2.7rem);letter-spacing:-.015em}
.section__title--light{color:#fff}
.section__sub{font-size:1.06rem;color:var(--muted);margin-top:16px}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:0.85fr 1.15fr;gap:clamp(36px,5vw,72px);align-items:center}
.about__media{position:relative}
.about__panel{
  position:relative;background:linear-gradient(160deg,#0E1217,#1c2532);border-radius:var(--r-lg);
  padding:56px 40px;text-align:center;box-shadow:var(--shadow-lg);overflow:hidden;
  border:1px solid rgba(28,109,181,.18);
}
.about__panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 90% at 50% 0%,rgba(132,190,240,.26),transparent 62%);
}
.about__panel .mark-svg{width:200px;height:150px;margin:0 auto;position:relative}
.about__panel-tag{position:relative;margin-top:26px;color:var(--gold-2);font-family:var(--head);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.82rem}
.about__body p{margin-bottom:18px;color:var(--slate)}
.values{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:26px}
.values li{display:inline-flex;align-items:center;gap:10px;font-family:var(--head);font-weight:700;color:var(--ink);font-size:1.02rem}
.values__dot{width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(28,109,181,.16)}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 28px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(28,109,181,.4)}
.card__icon{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(160deg,#0E1217,#232c3a);margin-bottom:22px}
.card__icon svg{width:28px;height:28px;fill:var(--gold-2)}
.card__title{font-size:1.16rem;margin-bottom:10px}
.card__text{font-size:.96rem;color:var(--muted)}

/* ---------- Projects ---------- */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.project{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.project:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.project__thumb{position:relative;aspect-ratio:16/11;overflow:hidden}
.project__thumb-art{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .6s var(--ease)}
.project:hover .project__thumb-art{transform:scale(1.06)}
/* Representative gradient art (replace with real project images) */
/* Proje kart görselleri: Miapark=gerçek render, Düzce/Antalya=stok foto */
.project__thumb-art--1{background:
  linear-gradient(180deg,rgba(14,18,23,.10),rgba(14,18,23,.50)),
  url("../assets/projeler/miapark.jpg") center/cover no-repeat}
.project__thumb-art--2{background:
  linear-gradient(180deg,rgba(14,18,23,.12),rgba(14,18,23,.60)),
  url("../assets/projeler/duzce.jpg") center/cover no-repeat}
.project__thumb-art--3{background:
  linear-gradient(180deg,rgba(14,18,23,.12),rgba(14,18,23,.58)),
  url("../assets/projeler/antalya.jpg") center/cover no-repeat}
/* (kart görselleri artık gerçek foto — tarama-çizgisi efekti kaldırıldı) */
.project__status{
  position:absolute;top:16px;left:16px;z-index:2;
  font-family:var(--head);font-weight:700;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;
  padding:7px 13px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--ink);
}
.project__status--active{background:var(--gold);color:#ffffff}
.project__body{padding:26px 26px 30px;display:flex;flex-direction:column;flex:1}
.project__title{font-size:1.35rem;margin-bottom:8px}
.project__meta{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.9rem;margin-bottom:14px}
.project__meta svg{width:16px;height:16px;fill:var(--gold-deep);flex:none}
.project__meta strong{color:var(--gold-deep)}
.project__text{font-size:.96rem;color:var(--muted);margin-bottom:20px;flex:1}
.project__link{font-family:var(--head);font-weight:700;color:var(--ink);font-size:.94rem;display:inline-flex;gap:8px;align-items:center;transition:gap .25s,color .25s}
.project__link span{color:var(--gold-deep);transition:transform .25s}
.project__link:hover{color:var(--gold-deep)}
.project__link:hover span{transform:translateX(5px)}
.projects__note{margin-top:22px;font-size:.85rem;color:var(--muted);text-align:center;font-style:italic}

/* ---------- KOOPBİS band ---------- */
.band{background:var(--gold);position:relative;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;background:radial-gradient(80% 140% at 90% 0%,rgba(255,255,255,.35),transparent 55%)}
.band__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:clamp(40px,6vw,64px) 24px;flex-wrap:wrap}
.band__title{color:#ffffff;font-size:clamp(1.5rem,3vw,2.1rem);max-width:640px;margin-bottom:8px}
.band__sub{color:rgba(255,255,255,.9);max-width:640px;font-size:1.02rem}
.band__cta{background:var(--ink);color:#fff;box-shadow:0 12px 28px rgba(14,18,23,.28)}
.band__cta:hover{background:#000;transform:translateY(-2px)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 26px;transition:transform .3s var(--ease),box-shadow .3s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.step__num{font-family:var(--head);font-weight:800;font-size:2.2rem;background:var(--gold-deep);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;display:block;margin-bottom:14px}
.step__title{font-size:1.14rem;margin-bottom:8px}
.step__text{font-size:.95rem;color:var(--muted)}
.steps .step:not(:last-child)::after{
  content:"→";position:absolute;right:-16px;top:44px;color:var(--gold);font-size:1.3rem;font-weight:700;z-index:2;
}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:0.8fr 1.2fr;gap:clamp(30px,5vw,64px);align-items:start}
.faq__list{display:flex;flex-direction:column;gap:12px}
.faq__item{background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq__item[open]{border-color:rgba(28,109,181,.45);box-shadow:var(--shadow-sm)}
.faq__item summary{
  list-style:none;cursor:pointer;padding:20px 22px;font-family:var(--head);font-weight:700;color:var(--ink);font-size:1.03rem;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";font-size:1.5rem;color:var(--gold-deep);font-weight:400;transition:transform .3s;flex:none}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__answer{padding:0 22px 20px;color:var(--muted);font-size:.97rem}

/* ---------- Contact ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:start}
.contact__lead{color:rgba(255,255,255,.75);margin:16px 0 30px;max-width:440px}
.contact__list{display:flex;flex-direction:column;gap:20px}
.contact__list li{display:flex;gap:16px;align-items:flex-start}
.contact__ico{width:46px;height:46px;border-radius:12px;background:rgba(28,109,181,.14);border:1px solid rgba(28,109,181,.3);display:grid;place-items:center;flex:none}
.contact__ico svg{width:20px;height:20px;fill:var(--gold-2)}
.contact__k{display:block;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:2px}
.contact__v{color:#fff;font-weight:500}
a.contact__v:hover{color:var(--gold-2)}

.contact__form{background:var(--paper);border-radius:var(--r-lg);padding:clamp(26px,3vw,38px);box-shadow:var(--shadow-lg)}
.field{margin-bottom:16px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field label{display:block;font-family:var(--head);font-weight:600;font-size:.86rem;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--body);font-size:.98rem;color:var(--ink);
  padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;background:#fbfaf8;
  transition:border-color .2s,box-shadow .2s;
}
.field input::placeholder,.field textarea::placeholder{color:#a2a9b2}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(28,109,181,.18);background:#fff;
}
.field textarea{resize:vertical;min-height:110px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.86rem;color:var(--muted);margin:6px 0 18px;cursor:pointer}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--gold-deep);flex:none}
.contact__hint{margin-top:14px;font-size:.9rem;text-align:center;min-height:1.2em;font-weight:600}
.contact__hint.ok{color:#1f7a4d}
.contact__hint.err{color:#c0392b}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.66)}
.footer__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding:clamp(50px,7vw,80px) 24px 46px}
.brand--footer .brand__word-main{color:#fff}
.brand--footer .brand__word-sub{color:var(--gold-2)}
.brand--footer .mark-text{fill:#fff}
.footer__tag{color:var(--gold-2);font-family:var(--head);font-weight:600;letter-spacing:.1em;text-transform:uppercase;font-size:.8rem;margin:18px 0 12px}
.footer__desc{font-size:.92rem;max-width:320px}
.footer__col h4{color:#fff;font-size:.96rem;margin-bottom:16px;letter-spacing:.03em}
.footer__col a,.footer__muted{display:block;color:rgba(255,255,255,.62);font-size:.93rem;padding:5px 0;transition:color .2s}
.footer__col a:hover{color:var(--gold-2)}
.footer__bar{border-top:1px solid rgba(255,255,255,.09)}
.footer__bar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 24px;flex-wrap:wrap;font-size:.85rem}
.footer__legal{color:var(--gold-2);font-weight:600;letter-spacing:.04em}

/* ---------- WhatsApp float ---------- */
.whatsapp{
  position:fixed;right:22px;bottom:22px;z-index:800;width:56px;height:56px;border-radius:50%;
  background:#25D366;display:grid;place-items:center;box-shadow:0 12px 30px rgba(37,211,102,.4);
  transition:transform .25s var(--ease);
}
.whatsapp:hover{transform:scale(1.08) translateY(-2px)}
.whatsapp svg{width:30px;height:30px;fill:#fff}

/* ---------- Reveal animation (only when JS is on) ---------- */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1040px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps .step:nth-child(2)::after{display:none}
  .footer__grid{grid-template-columns:1fr 1fr;gap:34px}
}
/* Nav → hamburger below 1080px (menü çok öğeli, erken daralt) */
@media (max-width:1080px){
  /* backdrop-filter, position:fixed menü için containing block oluşturup
     paneli header yüksekliğine hapsediyordu → mobilde kaldırıldı (panel tam ekran) */
  .header{background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none}
  .nav{
    position:fixed;inset:0 0 0 auto;width:min(82vw,340px);flex-direction:column;align-items:stretch;
    background:#fff;padding:96px 26px 40px;gap:4px;box-shadow:var(--shadow-lg);
    opacity:0;visibility:hidden;transform:translateY(-8px);overflow-y:auto;
    transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;z-index:895;
  }
  .nav.open{opacity:1;visibility:visible;transform:none}
  .nav__link{padding:14px 12px;font-size:1.05rem;border-bottom:1px solid var(--line-2)}
  .nav__link::after{display:none}
  .nav__cta{margin:18px 0 0;text-align:center}
  .nav-toggle{display:flex;z-index:896}
}
@media (max-width:900px){
  .projects{grid-template-columns:1fr;max-width:440px;margin-inline:auto}
  .about{grid-template-columns:1fr}
  .about__media{max-width:420px;margin-inline:auto}
  .faq{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
  .band__inner{flex-direction:column;align-items:flex-start;text-align:left}
}
@media (max-width:620px){
  .container{padding:0 18px}
  .topbar__item--hide{display:none}
  .topbar__inner{justify-content:center}
  .stats__grid{grid-template-columns:1fr 1fr}
  .stat:nth-child(odd){border-left:0}
  .stat:nth-child(3),.stat:nth-child(4){border-top:1px solid rgba(255,255,255,.07)}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .steps .step::after{display:none}
  .field-row{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .hero__chips{gap:14px 22px}
  .brand__word-sub{letter-spacing:.16em}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* =========================================================
   MULTI-PAGE COMPONENTS
   ========================================================= */

/* ---------- Dropdown nav ---------- */
.nav__item{position:relative;display:flex;align-items:center}
.nav__toggle-sub{
  background:none;border:0;cursor:pointer;font-family:var(--head);font-weight:600;font-size:.92rem;color:var(--slate);
  padding:10px 13px;border-radius:8px;display:inline-flex;align-items:center;gap:6px;transition:color .2s;
}
.nav__toggle-sub svg{width:11px;height:11px;fill:currentColor;transition:transform .25s}
.nav__toggle-sub:hover{color:var(--ink)}
.nav__item.current .nav__toggle-sub,.nav__link.current{color:var(--gold-deep)}
.subnav{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);
  min-width:250px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);
  padding:8px;opacity:0;visibility:hidden;transition:opacity .22s var(--ease),transform .22s var(--ease);z-index:50;
}
.subnav::before{content:"";position:absolute;top:-6px;left:50%;transform:translateX(-50%) rotate(45deg);width:12px;height:12px;background:#fff;border-left:1px solid var(--line);border-top:1px solid var(--line)}
.subnav a{display:block;padding:11px 14px;border-radius:9px;font-family:var(--head);font-weight:600;font-size:.9rem;color:var(--slate);transition:background .18s,color .18s}
.subnav a:hover,.subnav a.active{background:var(--cream);color:var(--gold-deep)}
@media (min-width:1081px){
  .nav__item.has-sub:hover .subnav,
  .nav__item.has-sub:focus-within .subnav{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
  .nav__item.has-sub:hover .nav__toggle-sub svg{transform:rotate(180deg)}
  /* Buton ile açılır kutu arasındaki boşluğu köprüleyen görünmez alan:
     fare boşluğu geçerken hover kaybolmasın, menü kapanmasın */
  .nav__item.has-sub .subnav::after{content:"";position:absolute;left:0;right:0;top:-26px;height:28px}
}

/* ---------- Page banner + breadcrumb ---------- */
.page-banner{position:relative;background:linear-gradient(160deg,#0E1217 0%,#18202c 60%,#1e2836 100%);color:#fff;overflow:hidden;isolation:isolate}
.page-banner__bg{position:absolute;inset:0;z-index:-1;background:radial-gradient(55% 120% at 88% -10%,rgba(28,109,181,.20),transparent 60%)}
.page-banner .container{padding-top:clamp(46px,7vw,78px);padding-bottom:clamp(40px,6vw,60px)}
.crumb{font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--gold-2)}
.crumb .sep{opacity:.4}
.crumb .current{color:var(--gold-2)}
.page-banner__title{font-size:clamp(1.9rem,4.4vw,2.9rem);color:#fff;letter-spacing:-.015em}
.page-banner__sub{margin-top:14px;color:rgba(255,255,255,.8);max-width:700px;font-size:1.05rem}

/* ---------- Page layout + prose ---------- */
.page{padding:clamp(52px,8vw,96px) 0}
.page__grid{display:grid;grid-template-columns:262px 1fr;gap:clamp(28px,5vw,58px);align-items:start}
.page__grid--plain{grid-template-columns:minmax(0,860px);justify-content:center}
.side-nav{position:sticky;top:104px;background:var(--cream);border:1px solid var(--line);border-radius:16px;padding:10px}
.side-nav h4{font-size:.76rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);padding:12px 14px 8px}
.side-nav a{display:block;padding:11px 14px;border-radius:10px;font-family:var(--head);font-weight:600;font-size:.9rem;color:var(--slate);transition:background .18s,color .18s}
.side-nav a:hover{background:#fff;color:var(--gold-deep)}
.side-nav a.active{background:var(--gold);color:#ffffff}

.prose{max-width:780px}
.prose>*+*{margin-top:18px}
.prose h2{font-size:clamp(1.4rem,2.6vw,1.7rem);margin-top:40px}
.prose h3{font-size:1.22rem;margin-top:28px}
.prose p,.prose li{color:var(--slate);font-size:1.03rem;line-height:1.78}
.prose ul,.prose ol{padding-left:22px;display:flex;flex-direction:column;gap:10px}
.prose ul li{list-style:disc}
.prose ol li{list-style:decimal}
.prose a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:3px}
.prose blockquote{border-left:3px solid var(--gold);background:var(--cream);padding:16px 20px;border-radius:0 12px 12px 0;color:var(--slate);font-style:italic;margin-top:22px}
.lead{font-size:1.16rem!important;color:var(--slate);line-height:1.7}

/* ---------- Principle cards ---------- */
.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:14px}
.principle{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;display:flex;gap:18px;transition:transform .3s var(--ease),box-shadow .3s}
.principle:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.principle__no{font-family:var(--head);font-weight:800;font-size:1.6rem;background:var(--gold-deep);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;flex:none;line-height:1;min-width:34px}
.principle h3{font-size:1.08rem;margin-bottom:6px}
.principle p{color:var(--muted);font-size:.95rem}

/* ---------- People (board) ---------- */
.people{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.person{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px 24px;text-align:center;transition:transform .3s var(--ease),box-shadow .3s}
.person:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.person__avatar{width:88px;height:88px;border-radius:50%;margin:0 auto 18px;background:linear-gradient(160deg,#0E1217,#2a3543);display:grid;place-items:center;color:var(--gold-2);font-family:var(--head);font-weight:800;font-size:1.5rem;border:2px solid rgba(28,109,181,.4)}
.person__name{font-size:1.12rem;margin-bottom:4px}
.person__role{color:var(--gold-deep);font-family:var(--head);font-weight:600;font-size:.88rem;letter-spacing:.02em}
.person--lead .person__avatar{width:104px;height:104px;font-size:1.8rem}

/* ---------- Posts (news/events/articles) ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s}
.post:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.post__thumb{aspect-ratio:16/10;background:linear-gradient(135deg,#1c2431,#33455a);position:relative}
.post__thumb::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 2px,transparent 2px 22px);mask-image:linear-gradient(180deg,transparent 40%,#000);-webkit-mask-image:linear-gradient(180deg,transparent 40%,#000)}
.post__date{position:absolute;left:14px;top:14px;z-index:2;background:rgba(255,255,255,.92);color:var(--ink);border-radius:8px;padding:6px 10px;font-family:var(--head);font-weight:700;font-size:.74rem}
.post__body{padding:22px;display:flex;flex-direction:column;gap:9px;flex:1}
.post__cat{font-family:var(--head);font-weight:700;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-deep)}
.post__title{font-size:1.13rem}
.post__excerpt{color:var(--muted);font-size:.94rem;flex:1}
.post__link{font-family:var(--head);font-weight:700;font-size:.9rem;color:var(--ink);display:inline-flex;gap:6px;align-items:center}
.post__link span{color:var(--gold-deep);transition:transform .25s}
.post__link:hover span{transform:translateX(4px)}

/* ---------- Empty state ---------- */
.empty{text-align:center;max-width:540px;margin:10px auto;padding:clamp(40px,6vw,64px) 30px;background:var(--cream);border:1px dashed rgba(14,18,23,.18);border-radius:20px}
.empty__icon{width:66px;height:66px;margin:0 auto 20px;border-radius:18px;background:#fff;display:grid;place-items:center;box-shadow:var(--shadow-sm)}
.empty__icon svg{width:30px;height:30px;fill:var(--gold-deep)}
.empty h3{font-size:1.25rem;margin-bottom:8px}
.empty p{color:var(--muted)}

/* ---------- Document list ---------- */
.doc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.doc{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}
.doc:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(28,109,181,.4)}
.doc__icon{width:52px;height:52px;border-radius:13px;background:linear-gradient(160deg,#0E1217,#26313f);display:grid;place-items:center;flex:none}
.doc__icon svg{width:24px;height:24px;fill:var(--gold-2)}
.doc__body{flex:1;min-width:0}
.doc__title{font-size:1.04rem;margin-bottom:2px}
.doc__meta{font-size:.82rem;color:var(--muted)}
.doc__dl{flex:none;display:inline-flex;align-items:center;gap:7px;font-family:var(--head);font-weight:700;font-size:.85rem;color:var(--gold-deep);border:1.5px solid rgba(28,109,181,.5);padding:9px 15px;border-radius:999px;transition:background .2s,color .2s,border-color .2s}
.doc__dl:hover{background:var(--gold);color:#ffffff;border-color:transparent}
.doc__dl svg{width:15px;height:15px;fill:currentColor}

/* ---------- Auth (member login) ---------- */
.auth{max-width:440px;margin:0 auto}
.auth__card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-lg);padding:clamp(28px,4vw,44px)}
.auth__logo{width:64px;height:46px;margin:0 auto 18px}
.auth__title{text-align:center;font-size:1.5rem;margin-bottom:6px}
.auth__sub{text-align:center;color:var(--muted);margin-bottom:26px;font-size:.95rem}
.auth .field{margin-bottom:16px}
.auth__row{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;margin:2px 0 20px;gap:12px}
.auth__row label{display:flex;align-items:center;gap:7px;color:var(--muted);cursor:pointer}
.auth__row a{color:var(--gold-deep)}
.auth__note{margin-top:22px;text-align:center;font-size:.86rem;color:var(--muted);background:var(--cream);border:1px solid var(--line);border-radius:12px;padding:14px 16px;line-height:1.6}

/* ---------- Note / callout ---------- */
.note{display:flex;gap:14px;background:var(--cream);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:0 14px 14px 0;padding:18px 20px;margin-top:26px}
.note svg{width:22px;height:22px;fill:var(--gold-deep);flex:none;margin-top:2px}
.note p{font-size:.95rem;color:var(--slate)}

/* ---------- Mini facts ---------- */
.facts{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.fact{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 22px;min-width:150px}
.fact__num{font-family:var(--head);font-weight:800;font-size:1.5rem;color:var(--ink)}
.fact__label{font-size:.85rem;color:var(--muted);margin-top:2px}

/* ---------- Responsive (multi-page) ---------- */
@media (max-width:1080px){
  .nav__item{display:block}
  .nav__toggle-sub{width:100%;justify-content:space-between;padding:14px 12px;font-size:1.05rem;border-bottom:1px solid var(--line-2)}
  .subnav{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;border-radius:0;padding:0;min-width:0;max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
  .subnav::before{display:none}
  .nav__item.open .subnav{max-height:520px;padding:4px 0 10px}
  .nav__item.open .nav__toggle-sub svg{transform:rotate(180deg)}
  .subnav a{padding:12px 20px;font-size:.98rem;color:var(--muted)}
}
@media (max-width:900px){
  .page__grid{grid-template-columns:1fr}
  .side-nav{position:static;margin-bottom:26px}
  .principles{grid-template-columns:1fr}
  .people{grid-template-columns:repeat(2,1fr)}
  .posts{grid-template-columns:repeat(2,1fr)}
  .doc-list{grid-template-columns:1fr}
}
@media (max-width:620px){
  .people{grid-template-columns:1fr}
  .posts{grid-template-columns:1fr}
}

/* ---------- Güven / resmî kayıt şeridi ---------- */
.trust{background:var(--cream);border-top:1px solid var(--line)}
.trust__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding:26px 0}
.trust__text{color:var(--slate);font-size:.97rem;max-width:560px;line-height:1.6}
.trust__text strong{color:var(--ink)}
.trust__logos{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.trust__logo{height:60px;display:flex;align-items:center;justify-content:center}
.trust__logo img{max-height:60px;max-width:170px;width:auto;object-fit:contain}
.trust__logo--ykb .mark-svg{height:52px;width:74px;overflow:visible}
.trust__ph{flex-direction:column;text-align:center;padding:0 22px;background:#fff;border:1px solid var(--line);border-radius:12px}
.trust__ph strong{font-family:var(--head);font-weight:800;color:var(--gold-deep);font-size:1.05rem;letter-spacing:.03em;line-height:1.1}
.trust__ph small{color:var(--muted);font-size:.6rem;letter-spacing:.03em}
@media (max-width:760px){
  .trust__inner{flex-direction:column;text-align:center}
  .trust__text{max-width:none}
  .trust__logos{justify-content:center}
}

/* ---------- Footer yasal linkler ---------- */
.footer__links{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center}
.footer__links a{color:rgba(255,255,255,.72);font-size:.85rem}
.footer__links a:hover{color:var(--gold-2)}
.footer__dot{opacity:.4}

/* ---------- Çerez bildirimi ---------- */
.cookie{
  position:fixed;left:20px;bottom:20px;z-index:950;max-width:440px;
  background:var(--ink);color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.1);
  border-radius:16px;padding:20px 22px;box-shadow:var(--shadow-lg);
  transform:translateY(24px);opacity:0;transition:transform .35s var(--ease),opacity .35s;
}
.cookie.show{transform:none;opacity:1}
.cookie__text{font-size:.9rem;line-height:1.6;margin-bottom:14px}
.cookie__text a{color:var(--gold-2);text-decoration:underline}
.cookie__actions{display:flex;align-items:center;gap:16px}
.cookie__more{font-family:var(--head);font-weight:600;font-size:.88rem;color:rgba(255,255,255,.72)}
.cookie__more:hover{color:#fff}
.cookie .btn{padding:11px 24px}
@media (max-width:520px){
  .cookie{left:12px;right:12px;bottom:12px;max-width:none}
}
.check a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:2px}
.trust__logo--koopbis{transition:transform .2s var(--ease)}
.trust__logo--koopbis img{height:56px;width:auto;max-width:none;border-radius:8px;box-shadow:var(--shadow-sm);display:block}
.trust__logo--koopbis:hover{transform:translateY(-2px)}
/* Mobil menü açıkken çerez bildirimi menüyü kapatmasın */
body.nav-open .cookie{display:none}