/* İstanbul Eylül Kuyumculuk — ortak stiller */
:root{
  --ink:#16302F;          /* mürekkep yeşili — ana renk */
  --ink-deep:#0F2322;
  --teal:#63BFB6;         /* turkuaz — vurgu, sayfanın ~%10'u */
  --teal-soft:#D7ECE9;
  --cream:#FAF8F4;        /* zemin */
  --sand:#EFEBE3;
  --text:#1C1F1D;
  --muted:#5E6663;
  --line:rgba(22,48,47,.14);
  --serif:"Cormorant Garamond",Georgia,serif;
  --sans:"Jost",system-ui,-apple-system,sans-serif;
  --gutter:clamp(16px,4vw,56px);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--cream);color:var(--text);font-family:var(--sans);font-weight:300;font-size:16px;line-height:1.7;overflow-x:hidden}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px}

/* ---------- Başlık: şeffaf, zemine göre renk değiştirir ---------- */
.header{position:fixed;top:0;left:0;right:0;z-index:50;background:transparent;--hc:var(--ink);color:var(--hc);transition:color .35s var(--ease);padding-top:env(safe-area-inset-top,0px)}
.header.on-dark{--hc:#fff}
.topbar{background:var(--ink);color:#E9F2F1;text-align:center;font-size:12px;letter-spacing:.14em;text-transform:uppercase;padding:9px var(--gutter);max-height:60px;overflow:hidden;transition:max-height .4s var(--ease),padding .4s var(--ease)}
.topbar a{border-bottom:1px solid var(--teal);padding-bottom:1px}
.header.scrolled .topbar{max-height:0;padding-block:0}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:16px var(--gutter)}
.nav{display:flex;gap:clamp(18px,3vw,44px);font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;font-weight:400}
.nav-left{justify-content:flex-end;padding-right:clamp(24px,5vw,80px)}
.nav-right{justify-content:flex-start;padding-left:clamp(24px,5vw,80px)}
.nav a{position:relative;padding:6px 0;color:var(--hc);transition:color .35s}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--teal);transform:scaleX(0);transition:transform .35s var(--ease)}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.logo{font-family:var(--serif);font-weight:500;font-size:clamp(44px,5.4vw,76px);letter-spacing:.24em;line-height:1;color:var(--hc);padding-left:.24em;transition:font-size .35s var(--ease),color .35s}
.header.scrolled .logo{font-size:clamp(34px,3.6vw,50px)}
.menu-btn{display:none;width:40px;height:40px;align-items:center;justify-content:center}
.menu-btn span{display:block;width:22px;height:1px;background:var(--hc);position:relative}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:22px;height:1px;background:var(--hc)}
.menu-btn span::before{top:-7px}.menu-btn span::after{top:7px}
.mobile-nav{display:none}

@media (max-width:860px){
  .header-inner{grid-template-columns:40px 1fr 40px;padding:12px var(--gutter)}
  .nav{display:none}
  .logo{text-align:center;font-size:40px}
  .header.scrolled .logo{font-size:32px}
  .menu-btn{display:flex}
  .mobile-nav{display:block;position:fixed;inset:0;z-index:60;background:var(--ink);color:#fff;padding:90px var(--gutter) 40px;transform:translateY(-100%);transition:transform .5s var(--ease)}
  .mobile-nav.open{transform:none}
  .mobile-nav a{display:block;font-family:var(--serif);font-size:34px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .mobile-nav .close{position:absolute;top:22px;right:var(--gutter);font-size:14px;letter-spacing:.2em;text-transform:uppercase}
  .mobile-nav .m-contact{margin-top:32px;font-size:14px;line-height:1.9;color:#cfe3e0}
}

/* ---------- Ortak ---------- */
.eyebrow{font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);font-weight:400}
.h-serif{font-family:var(--serif);font-weight:400;line-height:1.08;color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.22em;text-transform:uppercase;font-weight:500;padding:15px 30px;border:1px solid currentColor;transition:background .3s,color .3s,border-color .3s}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-dark:hover{background:var(--teal);border-color:var(--teal);color:var(--ink-deep)}
.btn-light{color:#fff}
.btn-light:hover{background:#fff;color:var(--ink)}
.link-line{font-size:12px;letter-spacing:.22em;text-transform:uppercase;font-weight:500;color:var(--ink);border-bottom:1px solid var(--teal);padding-bottom:4px}
.section{padding:clamp(72px,11vw,150px) var(--gutter)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:clamp(28px,4vw,48px)}
.section-head h2{font-size:clamp(34px,4.6vw,62px)}

/* AS29 (Shopify Dawn) ile aynı giriş: 2rem aşağıdan, 0.6 sn, ardışık 75 ms gecikme */
.js .reveal{opacity:.01;transform:translateY(2rem)}
.js .reveal.in{animation:slideIn .6s cubic-bezier(0,0,.3,1) forwards;animation-delay:calc(var(--order,0) * 75ms)}
@keyframes slideIn{from{transform:translateY(2rem);opacity:.01}to{transform:translateY(0);opacity:1}}

/* ---------- Açılış ---------- */
.hero{position:relative;height:100vh;height:100svh;min-height:560px;overflow:hidden;background:var(--sand)}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:70% 50%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(250,248,244,.85) 0%,rgba(250,248,244,.35) 38%,rgba(250,248,244,0) 62%)}
.hero-text{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;padding:140px var(--gutter) 0;max-width:640px}
.hero-text h1{font-size:clamp(44px,6.8vw,96px);margin:0 0 22px}
.hero-text h1 em{font-style:italic;color:var(--ink)}
.hero-text p{max-width:420px;color:var(--muted);margin-bottom:34px}
@media (max-width:700px){
  .hero::after{background:linear-gradient(0deg,rgba(250,248,244,.95) 0%,rgba(250,248,244,.6) 40%,rgba(250,248,244,0) 70%)}
  .hero-text{justify-content:flex-end;padding-bottom:48px}
  .hero img{object-position:84% 50%}
  .topbar .tb-phone{display:none}
}

/* ---------- Koleksiyon kaydırma bandı ---------- */
.rail-wrap{position:relative}
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:clamp(240px,27vw,380px);gap:clamp(12px,1.6vw,22px);overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:6px}
.rail::-webkit-scrollbar{display:none}
.card{scroll-snap-align:start;display:block;cursor:default}
.card-img{aspect-ratio:3/4;overflow:hidden;background:var(--sand)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.card:hover .card-img img{transform:scale(1.05)}
.card h3{font-family:var(--serif);font-weight:400;font-size:clamp(24px,2.2vw,30px);color:var(--ink);margin-top:16px;line-height:1.2}
.card .eyebrow{margin-top:4px;font-size:11px}
.rail-ctrl{display:flex;gap:10px}
.rail-ctrl button{width:46px;height:46px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;transition:border-color .3s,background .3s}
.rail-ctrl button:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.rail-progress{height:1px;background:var(--line);margin-top:28px;position:relative}
.rail-progress i{position:absolute;left:0;top:0;height:1px;background:var(--ink);width:20%;transition:left .2s,width .2s}

/* ---------- AS29 görsel bandı: sabit medya + kaydırdıkça %20'ye kadar büyüme ---------- */
.banner{position:relative;height:100vh;height:100svh;min-height:560px;overflow:hidden;display:flex;align-items:flex-end}
.banner-media{position:absolute;inset:0;clip-path:inset(0);background:var(--ink)}
.banner-media.zoom>video,.banner-media.zoom>img{position:fixed;top:0;left:0;width:100%;height:100vh;object-fit:cover;scale:var(--zoom,1.14);transition:scale .1s linear}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,35,34,.6),rgba(15,35,34,0) 45%);pointer-events:none}
.banner-content{position:relative;z-index:2;color:#fff;padding:0 var(--gutter) clamp(36px,6vw,80px)}
.banner-content h2{font-family:var(--serif);font-weight:400;font-size:clamp(48px,7vw,104px);line-height:1}
.banner-content .eyebrow{color:var(--teal-soft);margin-bottom:12px}
@media (max-width:700px){.banner{min-height:420px}}

/* ---------- Yeni gelenler ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.6vw,22px)}
@media (max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}}

/* ---------- Koleksiyon blokları ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;min-height:92vh}
.split + .split{border-top:1px solid var(--line)}
.split-img{overflow:hidden;background:var(--sand);position:relative}
.split-img img{width:100%;height:100%;object-fit:cover}
.ambient img{animation:ambient 30s linear infinite}
@keyframes ambient{0%{transform:rotate(0) translate(1em) rotate(0) scale(1.2)}100%{transform:rotate(360deg) translate(1em) rotate(-360deg) scale(1.2)}}
.split-text{display:flex;flex-direction:column;justify-content:center;padding:clamp(48px,8vw,120px)}
.split-text h2{font-size:clamp(40px,5vw,72px);margin:14px 0 22px}
.split-text p{color:var(--muted);max-width:430px;margin-bottom:34px}
.split.rev .split-img{order:2}
@media (max-width:860px){.split{grid-template-columns:1fr;min-height:auto}.split-img{aspect-ratio:4/5}.split.rev .split-img{order:0}}

/* ---------- Hikayemiz ---------- */
.story{background:var(--ink);color:#E6EFEE;text-align:center}
.story .eyebrow{color:var(--teal)}
.story h2{color:#fff;font-size:clamp(38px,5.4vw,78px);margin:18px auto 28px;max-width:16ch}
.story p{max-width:640px;margin:0 auto 38px;color:#C4D6D4;font-size:17px}
.story .link-line{color:#fff}
.ornament{width:56px;height:1px;background:var(--teal);margin:0 auto 26px}

/* ---------- Randevu şeridi ---------- */
.visit{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(32px,6vw,90px);align-items:center}
.visit h2{font-size:clamp(34px,4.4vw,60px);margin:14px 0 18px}
.visit p{color:var(--muted);max-width:460px}
.visit-box{border:1px solid var(--line);padding:clamp(28px,4vw,48px);background:#fff}
.visit-box dl{display:grid;gap:18px;margin-bottom:26px}
.visit-box dt{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.visit-box dd{font-family:var(--serif);font-size:24px;color:var(--ink);line-height:1.3}
.actions{display:grid;border-top:1px solid var(--line)}
.action{display:flex;align-items:center;gap:14px;padding:16px 2px;border-bottom:1px solid var(--line);color:var(--ink);font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:400;transition:color .3s,padding .3s}
.action span{flex:1}
.action svg{flex:none;color:var(--ink);transition:transform .3s var(--ease),color .3s}
.action:hover{color:var(--ink-deep);padding-left:8px}
.action:hover svg{color:var(--teal)}
.action:hover svg:last-child{transform:translateX(4px)}
@media (max-width:860px){.visit{grid-template-columns:1fr}}

/* ---------- Footer ---------- */
.footer{background:var(--ink-deep);color:#B9CBC9;padding:clamp(56px,8vw,96px) var(--gutter) 28px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .f-logo{font-family:var(--serif);font-size:48px;letter-spacing:.24em;color:#fff;line-height:1}
.footer .f-sub{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--teal);margin-top:10px}
.footer h4{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:#fff;font-weight:500;margin-bottom:16px}
.footer li{list-style:none;margin-bottom:8px;font-size:14.5px}
.footer a:hover{color:var(--teal)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:12px;letter-spacing:.06em}
@media (max-width:860px){.footer-top{grid-template-columns:1fr 1fr}.footer-top>div:first-child{grid-column:1/-1}}

/* ---------- İç sayfa başlığı ---------- */
.page-hero{position:relative;height:78vh;min-height:460px;overflow:hidden;display:flex;align-items:flex-end}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,35,34,.75),rgba(15,35,34,.05) 60%)}
.page-hero .inner{position:relative;z-index:2;padding:0 var(--gutter) clamp(36px,6vw,72px);color:#fff}
.page-hero .eyebrow{color:var(--teal-soft)}
.page-hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(48px,7vw,104px);line-height:1;margin-top:12px}
.page-plain{background:var(--ink);color:#fff;text-align:center;padding:clamp(190px,20vw,260px) var(--gutter) clamp(90px,12vw,160px)}
.page-plain .eyebrow{color:var(--teal)}
.page-plain h1{font-family:var(--serif);font-weight:400;font-size:clamp(52px,8vw,112px);line-height:1;margin:16px 0 22px}
.page-plain p{color:#C4D6D4;max-width:520px;margin:0 auto}

/* Hakkında */
.about{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(40px,7vw,110px);align-items:start}
.about-img{position:sticky;top:130px;aspect-ratio:3/4;overflow:hidden}
.about-img img{width:100%;height:100%;object-fit:cover}
.about-text h2{font-size:clamp(34px,4vw,56px);margin:14px 0 28px}
.about-text p{margin-bottom:22px;font-size:17px;color:#2E3432}
.about-text p.lead{font-family:var(--serif);font-size:clamp(24px,2.4vw,30px);line-height:1.4;color:var(--ink)}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:48px}
.values div{background:var(--cream);padding:28px 24px}
.values h3{font-family:var(--serif);font-weight:500;font-size:24px;color:var(--ink);margin-bottom:8px}
.values p{font-size:14.5px;color:var(--muted);margin:0}
@media (max-width:860px){.about{grid-template-columns:1fr}.about-img{position:relative;top:0}.values{grid-template-columns:1fr}}

/* İletişim */
.contact{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(32px,6vw,90px)}
.contact dl{display:grid;gap:30px}
.contact dt{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.contact dd{font-family:var(--serif);font-size:clamp(24px,2.4vw,32px);color:var(--ink);line-height:1.3}
.contact dd a:hover{color:var(--teal)}
.map{min-height:440px;border:1px solid var(--line);background:var(--sand)}
.map iframe{width:100%;height:100%;min-height:440px;border:0;filter:grayscale(.35) contrast(1.05)}
@media (max-width:860px){.contact{grid-template-columns:1fr}}

/* Canlı altın fiyatları */
.gold{border-top:1px solid var(--line)}
.gold .eyebrow{display:flex;align-items:center;gap:10px}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(99,191,182,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(99,191,182,0)}100%{box-shadow:0 0 0 0 rgba(99,191,182,0)}}
.gold-meta{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}
.gold-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.gold-card{background:#fff;padding:26px 24px;position:relative}
.gold-card h3{font-family:var(--serif);font-weight:500;font-size:26px;color:var(--ink);line-height:1.15}
.gold-card .unit{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin:4px 0 18px}
.gold-card dl{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.gold-card dt{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.gold-card dd{font-size:20px;font-weight:400;color:var(--text);font-variant-numeric:tabular-nums;white-space:nowrap}
.chg{position:absolute;top:26px;right:22px;font-size:12px;font-variant-numeric:tabular-nums;padding:3px 8px;border:1px solid var(--line)}
.chg.up{color:#1F7A5A;border-color:rgba(31,122,90,.35)}
.chg.down{color:#A23B32;border-color:rgba(162,59,50,.35)}
.gold-note{font-size:13px;color:var(--muted);margin-top:18px;max-width:760px}
.gold-note a{border-bottom:1px solid var(--teal)}
@media (max-width:980px){.gold-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.gold-grid{grid-template-columns:1fr}}

/* WhatsApp yüzen buton */
.wa{position:fixed;right:18px;bottom:18px;z-index:40;width:56px;height:56px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px -10px rgba(15,35,34,.6);transition:background .3s,transform .3s}
.wa:hover{background:var(--teal);color:var(--ink-deep);transform:translateY(-2px)}

@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .ambient img{animation:none}
  .banner-media.zoom>video,.banner-media.zoom>img{scale:1}
}