/* Tuval Creative · temel: renkler, tipografi, header, butonlar, hero, mobil menü */
:root{
  --ink:#111210; --ink-2:#191A17; --ink-3:#0A0B09;
  --paper:#F2F2EC; --paper-2:#E7E7DF;
  --text:#F6F6F0; --muted:#A5A69F; --muted-2:#65675D;
  --line:rgba(246,246,240,.12); --line-dark:rgba(17,18,16,.14);
  --red:#E8341A; --red-h:#FF4A32; --lime:#D7F85C;
  --cyan:#5CC8E0; --gold:#E0A43A; --violet:#A78BFA;
  --sans:"DM Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --logo:"Space Grotesk","DM Sans",Arial,sans-serif;
  --pad:clamp(20px,4.2vw,56px); --max:1320px; --hdr:76px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--text);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,video,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
::selection{background:var(--lime);color:var(--ink)}
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;font-weight:400}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-inline:var(--pad)}
.skip{position:absolute;left:-9999px;top:8px;z-index:200;background:var(--lime);color:var(--ink);padding:10px 14px}
.skip:focus{left:8px}
[hidden]{display:none!important}

/* Logo */
.logo{font:700 26px/1 var(--logo);letter-spacing:-.04em;color:var(--text);white-space:nowrap}
.logo span{color:var(--red)}

/* Butonlar — köşesiz, ok işaretli */
.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;padding:15px 22px;border:1px solid transparent;border-radius:0;font-size:14px;font-weight:650;letter-spacing:-.005em;cursor:pointer;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.btn .arr{font-style:normal;transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translate(2px,-2px)}
.btn-red{background:var(--red);border-color:var(--red);color:#fff}
.btn-red:hover{background:var(--red-h);border-color:var(--red-h)}
.btn-ghost{background:rgba(17,18,16,.28);border-color:rgba(246,246,240,.4);color:var(--text);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--text);background:rgba(246,246,240,.06)}
.btn-dark{background:var(--ink);border-color:var(--ink);color:var(--text)}
.btn-dark:hover{background:#000}
.arr{font-style:normal}

/* Header */
.hdr{position:fixed;inset:0 0 auto;z-index:50;height:var(--hdr);display:flex;align-items:center;gap:22px;padding-inline:var(--pad);border-bottom:1px solid transparent;transition:background .3s var(--ease),border-color .3s var(--ease)}
.hdr.is-solid{background:rgba(17,18,16,.96);border-color:var(--line);backdrop-filter:blur(10px)}
.hdr-div{width:1px;height:30px;background:var(--line)}
.hdr-tag{color:var(--muted);font-size:10px;line-height:1.5}
.hdr-nav{display:flex;gap:30px;margin-left:auto;font-size:14px;font-weight:500}
.hdr-nav a{color:rgba(246,246,240,.82);position:relative;padding-block:6px;transition:color .2s}
.hdr-nav a:hover,.hdr-nav a.is-on{color:var(--text)}
.hdr-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.hdr-nav a:hover::after,.hdr-nav a.is-on::after{transform:scaleX(1)}
.hdr-cta{padding:11px 16px;gap:18px;font-size:13px}
.burger{display:none;width:52px;height:52px;border-radius:50%;border:1px solid rgba(246,246,240,.32);background:rgba(17,18,16,.3);cursor:pointer;position:relative;margin-left:auto;flex:0 0 auto}
.burger span{position:absolute;left:16px;right:16px;height:1.5px;background:var(--text);transition:transform .3s var(--ease),top .3s var(--ease)}
.burger span:first-child{top:21px}.burger span:last-child{top:29px}
.burger.is-open span:first-child{top:25px;transform:rotate(45deg)}
.burger.is-open span:last-child{top:25px;transform:rotate(-45deg)}

/* Mobil menü */
.mnav{position:fixed;inset:0;z-index:80;background:var(--ink);display:flex;flex-direction:column;padding:0 var(--pad) calc(28px + env(safe-area-inset-bottom));opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility 0s linear .3s}
.mnav.is-open{opacity:1;visibility:visible;transition:opacity .3s var(--ease)}
.mnav-head{height:var(--hdr);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.mnav-head .burger{display:block;margin:0}
.mnav-links{display:flex;flex-direction:column;margin-top:18px}
.mnav-links a{display:flex;align-items:baseline;gap:18px;padding:16px 0;border-bottom:1px solid var(--line);font-size:clamp(32px,9vw,44px);font-weight:550;letter-spacing:-.035em;line-height:1.05;transform:translateY(14px);opacity:0;transition:transform .5s var(--ease),opacity .5s var(--ease)}
.mnav-links a .mono{color:var(--muted-2);transform:translateY(-6px)}
.mnav.is-open .mnav-links a{transform:none;opacity:1}
.mnav.is-open .mnav-links a:nth-child(2){transition-delay:.04s}.mnav.is-open .mnav-links a:nth-child(3){transition-delay:.08s}
.mnav.is-open .mnav-links a:nth-child(4){transition-delay:.12s}.mnav.is-open .mnav-links a:nth-child(5){transition-delay:.16s}
.mnav-cta{margin-top:auto;width:100%}

/* Hero */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;isolation:isolate;padding-top:var(--hdr)}
.hero-media{position:absolute;inset:0;z-index:-1;background:#000 url(assets/work/hero-poster.jpg) center/cover no-repeat}
.hero-media video{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.2s var(--ease)}
.hero-media video.is-ready{opacity:1}
.hero-media::before{content:"";position:absolute;inset:-50%;pointer-events:none;opacity:.1;mix-blend-mode:overlay;will-change:transform;animation:grain 1s steps(5) infinite;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-4%,3%)}40%{transform:translate(3%,-5%)}60%{transform:translate(-6%,-2%)}80%{transform:translate(5%,4%)}100%{transform:translate(0,0)}}
.hero-media::after{content:"";position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(17,18,16,.8) 0%,rgba(17,18,16,.44) 34%,rgba(17,18,16,.58) 62%,rgba(17,18,16,.95) 100%),
  linear-gradient(90deg,rgba(17,18,16,.62) 0%,rgba(17,18,16,.12) 60%)}
.hero-in{padding-block:clamp(40px,8vh,96px) 0;flex:1;display:flex;flex-direction:column;justify-content:space-between;gap:clamp(48px,12vh,160px)}
.eyebrow{color:rgba(246,246,240,.82);margin:0}
.hero-h{margin:18px 0 0;font-size:clamp(46px,7.2vw,104px);line-height:.98;font-weight:550;letter-spacing:-.045em;max-width:13ch;text-wrap:balance}
.hero-h em{font-style:normal;color:var(--lime)}
.hero-foot{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.hero-lede{max-width:42ch;margin:0;font-size:clamp(16px,1.35vw,19px);line-height:1.55;color:rgba(246,246,240,.86)}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-strip{display:flex;justify-content:space-between;align-items:center;margin-top:clamp(36px,6vh,64px);padding-block:22px;border-top:1px solid var(--line);color:rgba(246,246,240,.72)}
.hero-down{font-size:20px;line-height:1;animation:bob 2.4s var(--ease) infinite}
@keyframes bob{0%,100%{transform:none}50%{transform:translateY(5px)}}

/* Ortak bölüm iskeleti */
.sec{padding-block:clamp(88px,12vw,168px);scroll-margin-top:var(--hdr)}
.sec.light{background:var(--paper);color:var(--ink)}
.label{color:var(--muted-2);margin:0 0 26px}
.light .label{color:#7B7D72}
.h2{margin:0;font-size:clamp(38px,5.1vw,72px);line-height:1.02;font-weight:550;letter-spacing:-.04em;text-wrap:balance}
.h-xl{margin:0;font-size:clamp(46px,7.4vw,112px);line-height:.98;font-weight:550;letter-spacing:-.05em}
.dim{color:var(--muted-2)}
.light .dim{color:#8B8D82}
.sub{margin:22px 0 0;color:var(--muted);font-size:clamp(16px,1.3vw,18px);max-width:52ch}
.lead{margin:28px 0 0;font-size:clamp(18px,1.6vw,22px);line-height:1.5;color:#55574D;max-width:40ch}
.head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.link-all{display:inline-flex;gap:28px;align-items:center;padding-bottom:10px;border-bottom:1px solid rgba(246,246,240,.5);font-weight:600;font-size:15px}
.link-all:hover .arr{transform:translate(2px,-2px)}
.link-all .arr{transition:transform .25s var(--ease)}

/* Kaydırınca beliren öğeler */
.rv{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.on{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  .hero-down,.hero-media::before{animation:none}
  .mnav-links a{transform:none;opacity:1}
}

@media (max-width:1080px){
  .hdr-nav,.hdr-cta{display:none}
  .burger{display:block}
}
@media (max-width:640px){
  :root{--hdr:72px}
  .hdr{gap:16px}
  .logo{font-size:24px}
  .hdr-div{height:26px}
  .hdr-tag{font-size:9.5px}
  .hero-btns{width:100%}
  .hero-btns .btn{flex:1 1 100%}
  .hero-foot{gap:28px}
}
@media (max-width:380px){.hdr-tag,.hdr-div{display:none}}