/* Ranuna Metal — fırçalanmış çelik zemin, grafit mürekkep, PVD pirinç, logo oksit kırmızısı */
:root{
  --zinc:#E4E5E1;      /* sayfa zemini: fırçalanmış çelik levha */
  --sheet:#EFF0EC;     /* açık panel */
  --graphite:#1D2023;  /* mürekkep ve koyu bölümler */
  --steel:#6E757B;     /* ikincil metin */
  --line:#C3C6C1;      /* çizim hattı */
  --brass:#A9803F;     /* gold PVD vurgu */
  --oxide:#7E1F24;     /* logodaki kırmızı */
  --wa:#1F9D55;

  --f-display:"Archivo",system-ui,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;

  --gut:clamp(16px,4vw,56px);
  --max:1360px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{overflow-x:clip;margin:0;background:var(--zinc);color:var(--graphite);font:400 16px/1.6 var(--f-body);overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px}
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.mono{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase}
.muted{color:var(--steel)}
.skip{position:absolute;left:-999px;top:8px;background:var(--graphite);color:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}

/* Tipografi */
.display{font-family:var(--f-display);font-variation-settings:"wdth" 118;font-weight:600;letter-spacing:-.035em;line-height:.95;font-size:clamp(2.6rem,6.4vw,5.9rem);margin:0}
.h2{font-family:var(--f-display);font-variation-settings:"wdth" 112;font-weight:600;letter-spacing:-.03em;line-height:1.04;font-size:clamp(1.8rem,3.6vw,3.1rem);margin:0;max-width:18ch}
.eyebrow{color:var(--steel);margin:0 0 18px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brass)}
.lead{font-size:clamp(1.02rem,1.3vw,1.15rem);max-width:44ch;color:#3A3F44;margin:26px 0 34px}

/* Butonlar */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:50px;padding:0 22px;border-radius:2px;font-weight:500;font-size:.95rem;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .25s,color .25s,border-color .25s,transform .25s var(--ease)}
.btn svg{width:18px;height:18px}
.btn:active{transform:translateY(1px)}
.btn--dark{background:var(--graphite);color:var(--zinc)}
.btn--dark:hover{background:var(--oxide)}
.btn--line{border-color:var(--graphite);background:transparent}
.btn--line:hover{background:var(--graphite);color:var(--zinc)}
.btn--light{border-color:rgba(228,229,225,.4);color:var(--zinc)}
.btn--light:hover{background:var(--zinc);color:var(--graphite)}
.btn--wa{background:var(--wa);color:#fff}
.btn--wa:hover{background:#17844A}
.btn--block{width:100%}

/* Üst bar */
.top{position:sticky;top:0;z-index:50;background:rgba(228,229,225,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .3s,background-color .35s}
.top.is-scrolled{border-bottom-color:var(--line)}
.top__in{display:flex;align-items:center;gap:32px;height:76px;max-width:none}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--graphite)}
.brand__mark{width:40px;height:40px;flex:none}
.brand__name{font-family:var(--f-display);font-variation-settings:"wdth" 118;font-weight:700;font-size:.82rem;line-height:1.02;letter-spacing:.02em;text-transform:uppercase}
.brand--light{color:var(--zinc)}
.nav{display:flex;gap:30px;margin-left:auto}
.nav a{text-decoration:none;font-size:.93rem;position:relative;padding:6px 0}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--brass);transition:right .3s var(--ease)}
.nav a:hover::after{right:0}
.top__cta{height:42px;padding:0 16px}
.burger{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;margin-left:auto;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:1.5px;background:var(--graphite);transition:transform .3s}
.burger span:first-child{top:17px}.burger span:last-child{top:26px}
.burger[aria-expanded=true] span:first-child{transform:translateY(4.5px) rotate(45deg)}
.burger[aria-expanded=true] span:last-child{transform:translateY(-4.5px) rotate(-45deg)}

/* Hero */
.hero{position:relative;min-height:max(620px,100svh);margin-top:-76px;background:#1C1C1C;color:#ECEDE9;display:flex;align-items:center;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;top:0;right:0;height:100%;width:auto;aspect-ratio:1;object-fit:cover;z-index:-2;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 30%);mask-image:linear-gradient(90deg,transparent 0,#000 30%)}
.hero__shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#1C1C1C 0,rgba(28,28,28,.85) 30%,rgba(28,28,28,0) 60%),linear-gradient(0deg,rgba(28,28,28,.55),rgba(28,28,28,0) 30%);pointer-events:none}
.hero__in{padding-top:calc(76px + clamp(32px,6vh,72px));padding-bottom:clamp(40px,8vh,96px)}
.hero__text{max-width:min(640px,52%)}
.hero .eyebrow{color:#A7ADB2}
.hero .lead{color:#C9CDD0}
.hero .btn--dark{background:var(--zinc);color:var(--graphite)}
.hero .btn--dark:hover{background:var(--brass);color:#fff}
/* Hero açılış animasyonu (JS .hero--anim ekler, fontlar yüklenince .is-ready) */
.hero--anim .hero__bg{opacity:0;transform:translateX(90px) scale(1.03);transition:opacity 1.4s var(--ease),transform 1.8s var(--ease)}
.hero--anim .eyebrow::before{transform:scaleX(0);transform-origin:left;transition:transform .9s var(--ease) .05s}
.hero .w{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .04em .14em;margin:0 -.04em -.14em}
.hero .w>span{display:inline-block}
.hero--anim .w>span{transform:translateY(112%) rotate(4deg);transform-origin:0 100%;transition:transform 1.1s cubic-bezier(.16,1,.3,1)}
.hero .ch{display:inline-block;white-space:pre}
.hero--anim .ch{opacity:0;transform:translateY(.5em);transition:opacity .35s ease,transform .5s var(--ease)}
.hero .lw{display:inline-block}
.hero--anim .lw{opacity:0;transform:translateY(.7em);filter:blur(6px);transition:opacity .7s var(--ease),transform .8s var(--ease),filter .7s var(--ease)}
.hero--anim .hero__actions>*{opacity:0;transform:translateX(-48px);filter:blur(6px);transition:opacity .8s var(--ease),transform 1s cubic-bezier(.16,1,.3,1),filter .8s var(--ease)}
.hero--anim.is-ready .hero__bg,.hero--anim.is-ready .w>span,.hero--anim.is-ready .ch,.hero--anim.is-ready .lw,.hero--anim.is-ready .hero__actions>*{opacity:1;transform:none;filter:none}
.hero--anim.is-ready .eyebrow::before{transform:scaleX(1)}
.top.is-over{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;border-bottom-color:transparent}
.top.is-over .brand,.top.is-over .nav a{color:#ECEDE9}
.top.is-over .burger span{background:#ECEDE9}
.top.is-over.is-scrolled{background:rgba(28,28,28,.84);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:rgba(236,237,233,.08)}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px}

/* İmza: aşama görüntüleyici */
.stage{margin:0}
.stage__frame{position:relative;aspect-ratio:4/3;background:#D6D8D4}
.stage__imgs img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .7s var(--ease);cursor:zoom-in}
.stage__imgs img.is-on{opacity:1}
.stage__imgs img.is-tall{object-fit:contain;background:#2A2D30}
.stage__imgs img.is-cad{object-fit:contain;background:#F4F5F2;padding:4%}
.stage__note{position:absolute;left:14px;bottom:12px;margin:0;background:rgba(29,32,35,.82);color:var(--zinc);padding:6px 10px;font-size:.68rem;pointer-events:none}
.crop{position:absolute;width:16px;height:16px;border:0 solid var(--graphite);z-index:2;pointer-events:none}
.crop--tl{top:-8px;left:-8px;border-top-width:1.5px;border-left-width:1.5px}
.crop--tr{top:-8px;right:-8px;border-top-width:1.5px;border-right-width:1.5px}
.crop--bl{bottom:-8px;left:-8px;border-bottom-width:1.5px;border-left-width:1.5px}
.crop--br{bottom:-8px;right:-8px;border-bottom-width:1.5px;border-right-width:1.5px}
.stage__cap{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin:22px 0 12px;flex-wrap:wrap}
.stage__title{font-family:var(--f-display);font-variation-settings:"wdth" 110;font-weight:600;font-size:1.05rem;letter-spacing:-.01em}
.stage__steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr));gap:6px}
.stage__steps button{width:100%;text-align:left;background:none;border:0;padding:12px 0 0;cursor:pointer;position:relative;color:var(--steel);font-family:var(--f-mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;transition:color .25s}
.stage__steps button::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--line)}
.stage__steps button::after{content:"";position:absolute;top:0;left:0;height:2px;width:0;background:var(--graphite)}
.stage__steps button.is-on{color:var(--graphite)}
.stage__steps button.is-on::after{width:100%}
.stage__steps button.is-run::after{animation:fill var(--dur,4.2s) linear forwards}
.stage__steps button:hover{color:var(--graphite)}
.stage__steps b{display:block;font-weight:500;color:var(--brass);margin-bottom:2px}
@keyframes fill{from{width:0}to{width:100%}}

/* Antet */
.titleblock{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin:clamp(36px,5vw,64px) 0 0;border:1px solid var(--graphite)}
.titleblock>div{padding:12px 16px;border-left:1px solid var(--graphite)}
.titleblock>div:first-child{border-left:0}
.titleblock dt{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;color:var(--steel)}
.titleblock dd{margin:4px 0 0;font-weight:500;font-size:.92rem}

/* Bölüm */
.block{padding-top:clamp(80px,10vw,140px)}
.block__head{margin-bottom:clamp(36px,5vw,60px)}
.block__head--row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.block__sub{color:var(--steel);max-width:42ch;margin:18px 0 0}
.block__head--row .block__sub{margin:0}

/* Öne çıkan proje */
.feature{padding-top:clamp(80px,10vw,140px)}
.feature__head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(24px,5vw,80px);align-items:end;margin-bottom:clamp(32px,4vw,52px)}
.feature__title{font-size:clamp(2.4rem,5.4vw,4.8rem);line-height:.95;letter-spacing:-.04em;font-variation-settings:"wdth" 118}
.feature__alt{margin:16px 0 0}
.feature__lead{margin:0;color:#3A3F44;font-size:1.05rem;max-width:56ch}
.feature__cover{position:relative;margin:0;height:clamp(340px,68vh,760px);overflow:hidden;cursor:zoom-in;background:#2A2D30}
.feature__cover img{width:100%;height:100%;object-fit:cover;object-position:50% 60%;transition:transform 1.4s var(--ease)}
.feature__cover:hover img{transform:scale(1.02)}
.feature__cover figcaption,.ftile figcaption{position:absolute;left:14px;bottom:12px;margin:0;background:rgba(29,32,35,.82);color:var(--zinc);padding:6px 10px;font-size:.66rem;pointer-events:none}
.feature__cover figcaption{left:var(--gut);bottom:20px}
.feature__grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(10px,1.4vw,20px);margin-top:clamp(10px,1.4vw,20px)}
.ftile{position:relative;margin:0;overflow:hidden;background:#D6D8D4;cursor:zoom-in}
.ftile img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.ftile:hover img{transform:scale(1.03)}
.ftile figcaption{opacity:0;transform:translateY(4px);transition:opacity .3s,transform .3s var(--ease)}
.ftile:hover figcaption,.ftile:focus-visible figcaption{opacity:1;transform:none}
.ftile--a{grid-column:1/9;grid-row:1;aspect-ratio:16/10}
.ftile--b{grid-column:9/13;grid-row:1/3}
.ftile--c{grid-column:1/5;grid-row:2;aspect-ratio:3/4}
.ftile--d{grid-column:5/9;grid-row:2;aspect-ratio:3/4}
.ftile--e{grid-column:1/9;grid-row:3;aspect-ratio:16/9}
.feature__scope{grid-column:9/13;grid-row:3;align-self:stretch;display:flex;flex-direction:column;border-top:1px solid var(--graphite);padding-top:18px}
.feature__scope ul{list-style:none;margin:14px 0 28px;padding:0}
.feature__scope li{padding:11px 0;border-bottom:1px solid var(--line);font-weight:500;display:flex;gap:12px;align-items:baseline}
.feature__scope li::before{content:"";flex:none;width:6px;height:6px;background:var(--brass);transform:translateY(-2px)}
.feature__scope .btn{margin-top:auto;align-self:flex-start}
.feature__draw{margin-top:clamp(28px,3vw,44px);padding-top:18px;border-top:1px solid var(--line)}
.feature__drawrow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(10px,1.4vw,20px);margin-top:14px}
.ftile--cad{aspect-ratio:4/3}
.ftile--cad.is-cad{background:#F4F5F2}
.ftile--cad.is-cad img{object-fit:contain;padding:6%}
.ftile--cad figcaption{opacity:1;transform:none}

/* Üretim listesi */
.services{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(24px,5vw,72px);align-items:start}
.services__list{list-style:none;margin:0;padding:0;border-top:1px solid var(--graphite)}
.services__list li{border-bottom:1px solid var(--line)}
.svc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:24px;align-items:baseline;padding:22px 0;cursor:default;transition:padding .35s var(--ease)}
.svc h3{margin:0;font-family:var(--f-display);font-variation-settings:"wdth" 108;font-weight:600;font-size:clamp(1.15rem,1.7vw,1.45rem);letter-spacing:-.015em;line-height:1.2}
.svc p{margin:0;color:var(--steel);font-size:.95rem}
.svc img{display:none}
.services__list li.is-on .svc{padding-left:14px}
.services__list li.is-on h3{color:var(--oxide)}
.services__preview{position:sticky;top:110px;aspect-ratio:4/5;background:#D6D8D4;overflow:hidden}
.services__preview img{width:100%;height:100%;object-fit:cover;transition:opacity .35s}
.services__preview img.is-fade{opacity:0}

/* İşler */
.projects{display:grid;gap:clamp(64px,8vw,120px)}
.proj{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:clamp(24px,4vw,64px);align-items:start}
.proj:nth-child(even){grid-template-columns:minmax(0,4fr) minmax(0,7fr)}
.proj:nth-child(even) .proj__media{order:2}
.proj__media .stage__frame{aspect-ratio:16/10}
.proj__media .stage__steps{margin-top:14px}
.proj__txt{padding-top:6px}
.proj__txt h3{font-family:var(--f-display);font-variation-settings:"wdth" 112;font-weight:600;font-size:clamp(1.5rem,2.4vw,2.1rem);letter-spacing:-.025em;line-height:1.06;margin:10px 0 16px}
.proj__txt p{margin:0 0 22px;color:#3A3F44}
.tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.tags li{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.05em;text-transform:uppercase;border:1px solid var(--line);padding:5px 9px}

/* Mobilya */
.pieces{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(12px,1.6vw,22px)}
.piece{margin:0;cursor:zoom-in}
.piece__img{position:relative;aspect-ratio:1;background:var(--sheet);overflow:hidden}
.piece__img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.piece:hover .piece__img img{transform:scale(1.04)}
.piece__tip{position:absolute;top:10px;left:10px;font-family:var(--f-mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;background:var(--zinc);padding:3px 7px}
.piece__tip--uretim{background:var(--graphite);color:var(--zinc)}
.piece figcaption{padding-top:12px}
.piece strong{display:block;font-weight:600;font-size:.98rem}
.piece span{color:var(--steel);font-size:.86rem}

/* Süreç */
.process{background:var(--graphite);color:var(--zinc);margin-top:clamp(80px,10vw,140px);padding:clamp(72px,9vw,120px) 0;position:relative;overflow:hidden}
.process::before{content:"";position:absolute;inset:0;background:url(../img/totem-cizim.jpg) right center/auto 120% no-repeat;opacity:.06;filter:invert(1);pointer-events:none}
.process .eyebrow{color:#9AA0A5}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid rgba(228,229,225,.25);position:relative}
.steps li{padding:26px 26px 0 0;position:relative}
.steps li::before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;background:var(--brass);border-radius:50%}
.steps .mono{color:var(--brass)}
.steps h3{font-family:var(--f-display);font-variation-settings:"wdth" 110;font-weight:600;font-size:1.25rem;margin:10px 0 10px;letter-spacing:-.01em}
.steps p{margin:0;color:#B6BBBF;font-size:.95rem}

/* İlkeler */
.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,48px)}
.principles article{border-top:1px solid var(--graphite);padding-top:20px}
.principles h3{font-family:var(--f-display);font-variation-settings:"wdth" 110;font-weight:600;font-size:1.2rem;margin:0 0 10px}
.principles p{margin:0;color:var(--steel)}

/* İletişim */
.contact{background:var(--graphite);color:var(--zinc);margin-top:clamp(80px,10vw,140px);padding:clamp(72px,9vw,120px) 0}
.contact__in{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(32px,6vw,96px);align-items:start}
.contact .eyebrow{color:#9AA0A5}
.contact .h2{max-width:20ch}
.contact__list{margin:40px 0 36px;border-top:1px solid rgba(228,229,225,.2)}
.contact__list>div{display:grid;grid-template-columns:120px minmax(0,1fr);gap:16px;padding:16px 0;border-bottom:1px solid rgba(228,229,225,.2)}
.contact__list dt{color:#9AA0A5;padding-top:3px}
.contact__list dd{margin:0}
.contact__list a{text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s}
.contact__list a:hover{border-bottom-color:var(--brass)}
.form{background:var(--zinc);color:var(--graphite);padding:clamp(22px,3vw,36px);display:grid;gap:16px}
.form__title{margin:0 0 4px;font-family:var(--f-display);font-variation-settings:"wdth" 112;font-weight:600;font-size:1.3rem}
.form label{display:grid;gap:6px;font-size:.86rem;font-weight:500}
.form input,.form select,.form textarea{width:100%;border:1px solid var(--line);background:var(--sheet);padding:12px 12px;border-radius:2px;font-size:1rem;font-weight:400}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--graphite)}
.form textarea{resize:vertical}
.form__err{margin:0;color:var(--oxide);font-size:.88rem;min-height:0}
.form__err:empty{display:none}
.form__hint{margin:0;font-size:.82rem}

/* Alt bilgi */
.foot{background:#15171A;color:#9AA0A5;padding:28px 0}
.foot__in{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.foot__in p{margin:0}
.foot__in p:last-child{margin-left:auto}

/* WhatsApp yüzen */
.wa-float{position:fixed;right:18px;bottom:18px;width:54px;height:54px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;z-index:40;box-shadow:0 8px 24px rgba(0,0,0,.2);transition:transform .25s var(--ease)}
.wa-float svg{width:26px;height:26px}
.wa-float:hover{transform:scale(1.06)}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:90;background:rgba(21,23,26,.94);display:grid;place-items:center;padding:56px 16px}
.lb[hidden]{display:none}
.lb img{max-width:min(1400px,100%);max-height:calc(100vh - 140px);object-fit:contain;background:#F4F5F2}
.lb__cap{color:#B6BBBF;margin:14px 0 0;text-align:center}
.lb__x{position:absolute;top:12px;right:14px;width:44px;height:44px;border:0;background:none;color:#fff;font-size:2rem;cursor:pointer}

/* Görünme */
.rv{opacity:0;transition:opacity .9s var(--ease),transform 1s var(--ease);will-change:opacity,transform}
.rv-u{transform:translateY(28px)}
.rv-l{transform:translateX(-64px)}
.rv-r{transform:translateX(64px)}
.rv.is-in{opacity:1;transform:none}

/* Duyarlı */
/* ===== Tünd site zemini: müşterinin gönderdiği RM arka planı (img/site-bg.jpg) ===== */
:root{--ink:#ECEDE9;--ink-2:#C4C0BC;--ink-3:#A39D98;--rule:rgba(236,237,233,.16);--rule-strong:rgba(236,237,233,.55);--panel:rgba(18,14,14,.55)}
html{background:#150f0e}
body{background:transparent;color:var(--ink)}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(180deg,rgba(14,10,10,.35),rgba(14,10,10,.55)),url(../img/site-bg.jpg) center/cover no-repeat}
.lead,.feature__lead,.proj__txt p{color:var(--ink-2)}
.eyebrow,.block__sub,.muted,.svc p,.titleblock dt,.principles p,.piece span,.stage__steps button{color:var(--ink-3)}
.form .muted{color:var(--steel)}
.top{background:rgba(20,15,15,.78)}
.top.is-scrolled{border-bottom-color:var(--rule)}
.brand{color:var(--ink)}
.nav a{color:var(--ink)}
.burger span{background:var(--ink)}
.btn--dark{background:var(--ink);color:#1a1414}
.btn--dark:hover{background:var(--brass);color:#fff}
.btn--line{border-color:var(--rule-strong);color:var(--ink)}
.btn--line:hover{background:var(--ink);color:#1a1414}
.crop{border-color:var(--rule-strong)}
.stage__frame,.ftile,.services__preview{background:rgba(255,255,255,.04)}
.stage__steps button::before{background:var(--rule)}
.stage__steps button::after{background:var(--ink)}
.stage__steps button.is-on,.stage__steps button:hover{color:var(--ink)}
.titleblock{border-color:var(--rule-strong);background:var(--panel);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.titleblock>div{border-left-color:var(--rule-strong)}
.services__list{border-top-color:var(--rule-strong)}
.services__list li{border-bottom-color:var(--rule)}
.services__list li.is-on h3{color:#E07A7E}
.tags li{border-color:var(--rule);color:var(--ink-2)}
.feature__scope{border-top-color:var(--rule-strong)}
.feature__scope li{border-bottom-color:var(--rule)}
.feature__draw{border-top-color:var(--rule)}
.principles article{border-top-color:var(--rule-strong)}
.process,.contact{background:rgba(12,9,9,.62);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.process::before{opacity:.04}
.foot{background:rgba(10,8,8,.82)}
.skip{background:var(--ink);color:#1a1414}

@media (max-width:1080px){
  .pieces{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:36px}
}
@media (max-width:900px){
  .nav{position:fixed;inset:76px 0 auto 0;flex-direction:column;gap:0;background:var(--zinc);padding:8px var(--gut) 24px;border-bottom:1px solid var(--line);transform:translateY(-8px);opacity:0;visibility:hidden;transition:.25s}
  .nav.is-open{transform:none;opacity:1;visibility:visible}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
  .burger{display:block;margin-left:0}
  .top__cta{margin-left:auto}
  .hero{align-items:flex-end;min-height:max(640px,100svh)}
  .hero__bg{width:100%;height:auto;top:76px;right:0;-webkit-mask-image:linear-gradient(180deg,#000 70%,transparent);mask-image:linear-gradient(180deg,#000 70%,transparent)}
  .hero__shade{background:linear-gradient(0deg,#1C1C1C 38%,rgba(28,28,28,.6) 60%,rgba(28,28,28,0) 80%)}
  .hero__text{max-width:none}
  .top.is-over .nav a{color:var(--graphite)}
  .titleblock{grid-template-columns:repeat(2,minmax(0,1fr))}
  .titleblock>div{border-left:0;border-top:1px solid var(--graphite)}
  .titleblock>div:nth-child(even){border-left:1px solid var(--graphite)}
  .titleblock>div:first-child,.titleblock>div:nth-child(2){border-top:0}
  .titleblock>div:last-child{grid-column:1/-1;border-left:0}
  .feature__head{grid-template-columns:1fr;align-items:start}
  .feature__cover{height:clamp(260px,52vh,460px)}
  .feature__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ftile--a,.ftile--b,.ftile--e,.feature__scope{grid-column:1/-1;grid-row:auto}
  .ftile--b{aspect-ratio:4/5}
  .ftile--c,.ftile--d{grid-column:auto;grid-row:auto}
  .feature__scope{margin-top:12px}
  .feature__drawrow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ftile figcaption{opacity:1;transform:none}
  .services{grid-template-columns:1fr}
  .services__preview{display:none}
  .svc{grid-template-columns:88px minmax(0,1fr);gap:4px 16px;align-items:start}
  .svc img{display:block;grid-row:span 2;width:88px;height:88px;object-fit:cover}
  .services__list li.is-on .svc{padding-left:0}
  .proj,.proj:nth-child(even){grid-template-columns:1fr}
  .proj:nth-child(even) .proj__media{order:0}
  .principles{grid-template-columns:1fr}
  .contact__in{grid-template-columns:1fr}
}
@media (max-width:640px){
  .top__cta span{display:none}
  .top__cta{width:42px;padding:0}
  .pieces{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .stage__steps button{font-size:.62rem}
  .stage__cap{margin-top:16px}
  .contact__list>div{grid-template-columns:1fr;gap:2px}
  .foot__in p:last-child{margin-left:0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}

/* Tünd zemin — mobil düzeltmeleri */
@media (max-width:900px){
  .nav{background:rgba(20,15,15,.96);border-bottom-color:var(--rule)}
  .nav a{border-bottom-color:var(--rule)}
  .top.is-over .nav a{color:var(--ink)}
  .titleblock>div,.titleblock>div:nth-child(even){border-color:var(--rule-strong)}
}