@import url(../fonts/fonts.css);

:root{
  --paper:#f5f0e8; --paper-2:#ede6da; --card:#fbf8f3;
  --ink:#2b332e; --ink-soft:#5e665f; --line:rgba(43,51,46,.14);
  --sage:#b9c6b1; --sage-deep:#6d7f68; --peach:#ecccb6; --bronze:#9a7a52;
  --serif:'Instrument Serif',Georgia,serif; --sans:'Manrope',system-ui,sans-serif;
  --gut:clamp(20px,4.5vw,72px); --max:1440px;
  --ease:cubic-bezier(.2,.7,.1,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{background:var(--paper);color:var(--ink);font:300 16px/1.7 var(--sans);overflow-x:clip;
  -webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--sage);color:var(--ink)}

/* kâğıt dokusu + suluboya lekeleri */
.paper{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:url(../img/s01_x3-m.webp) center/cover no-repeat;opacity:.55}
.wash{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;pointer-events:none;z-index:0}
.wash.sage{background:var(--sage)} .wash.peach{background:var(--peach)}

.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut);position:relative}
.eyebrow{font:500 11px/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft)}
.serif{font-family:var(--serif);font-weight:400;letter-spacing:-.01em}
em,.it{font-style:italic}
h2.title{font:400 clamp(40px,6.4vw,104px)/.95 var(--serif);letter-spacing:-.02em}
h2.title em{color:var(--sage-deep)}

/* üst bar */
.bar{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .5s var(--ease),border-color .5s}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.bar.solid{background:rgba(245,240,232,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.mark{font:400 24px/1 var(--serif);letter-spacing:-.01em}
.mark small{font:500 10px/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--ink-soft);margin-left:12px;vertical-align:middle}
.nav{display:flex;gap:34px}
.nav a{font:500 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;position:relative;padding:6px 0}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:currentColor;transition:right .5s var(--ease)}
.nav a:hover::after{right:0}
.menu-btn{display:none;background:none;border:0;font:500 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink);cursor:pointer;padding:10px 0}

/* hero */
.hero{min-height:100svh;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(24px,5vw,90px);padding-top:110px;padding-bottom:60px;position:relative}
.hero h1{font:400 clamp(50px,7.2vw,124px)/.92 var(--serif);letter-spacing:-.025em;margin:28px 0 36px}
.hero h1>span{display:block}
.hero h1 em{color:var(--sage-deep)}
.hero p.lead{max-width:470px;color:var(--ink-soft);font-size:17px}
.hero .meta{display:flex;gap:40px;margin-top:48px;flex-wrap:wrap}
.hero .meta div{border-top:1px solid var(--line);padding-top:14px;min-width:120px}
.hero .meta b{display:block;font:400 30px/1 var(--serif);margin-bottom:6px}
.hero .meta span{font-size:12px;letter-spacing:.06em;color:var(--ink-soft)}
.arch{position:relative;aspect-ratio:4/5;max-height:78svh;justify-self:end;width:100%;max-width:560px}
.arch .frame{position:absolute;inset:0;border-radius:999px 999px 0 0;overflow:hidden;box-shadow:0 40px 80px -40px rgba(43,51,46,.45)}
.arch .frame img{width:100%;height:100%;object-fit:cover;transform:scale(1.12);transition:transform 2.4s var(--ease)}
.loaded .arch .frame img{transform:scale(1)}
.arch .ring{position:absolute;inset:-18px -18px auto auto;width:46%;aspect-ratio:1;border:1px solid var(--bronze);border-radius:50%;opacity:.6}
.arch figcaption{position:absolute;left:-14px;bottom:28px;transform:translateX(-100%) rotate(180deg);writing-mode:vertical-rl;font:500 10px/1 var(--sans);letter-spacing:.26em;text-transform:uppercase;color:var(--ink-soft)}
.scroll-hint{position:absolute;left:var(--gut);bottom:28px;display:flex;align-items:center;gap:14px}
.scroll-hint i{display:block;width:56px;height:1px;background:var(--ink);transform-origin:left;animation:hint 2.6s var(--ease) infinite}
@keyframes hint{0%{transform:scaleX(0)}50%{transform:scaleX(1)}100%{transform:scaleX(1);opacity:0}}

/* bölümler */
section{position:relative}
.sec{padding:clamp(90px,13vw,190px) 0}
.sec-head{display:grid;grid-template-columns:1fr 1fr;align-items:end;gap:40px;margin-bottom:clamp(48px,7vw,100px)}
.sec-head p{color:var(--ink-soft);max-width:440px;justify-self:end}
.idx{font:400 15px/1 var(--serif);font-style:italic;color:var(--bronze);margin-bottom:22px;display:block}

/* projeler ızgarası */
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(18px,2.4vw,40px);row-gap:clamp(56px,7vw,110px)}
.card{display:block;position:relative}
.card .ph{overflow:hidden;position:relative;background:var(--paper-2)}
.card img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease),filter 1s}
.card:hover img{transform:scale(1.045)}
.card .cap{display:flex;justify-content:space-between;align-items:baseline;margin-top:18px;gap:16px}
.card h3{font:400 clamp(26px,2.5vw,38px)/1.05 var(--serif)}
.card .n{font:400 14px/1 var(--serif);font-style:italic;color:var(--bronze)}
.card .t{font-size:12px;letter-spacing:.08em;color:var(--ink-soft);margin-top:6px}
.card .go{position:absolute;right:18px;bottom:18px;width:54px;height:54px;border-radius:50%;background:var(--paper);display:grid;place-items:center;
  transform:scale(.6);opacity:0;transition:.6s var(--ease)}
.card:hover .go{transform:scale(1);opacity:1}
.g-a{grid-column:1/8}.g-a .ph{aspect-ratio:16/11}
.g-b{grid-column:9/13;margin-top:22%}.g-b .ph{aspect-ratio:4/5}
.g-c{grid-column:2/6}.g-c .ph{aspect-ratio:4/5}
.g-d{grid-column:7/13;margin-top:12%}.g-d .ph{aspect-ratio:3/2}
.g-e{grid-column:1/13}.g-e .ph{aspect-ratio:21/9}
.g-f{grid-column:1/5}.g-f .ph{aspect-ratio:4/5}
.g-g{grid-column:5/9;margin-top:16%}.g-g .ph{aspect-ratio:4/5}
.g-h{grid-column:9/13}.g-h .ph{aspect-ratio:4/5}

/* üç okuma (sticky) */
.reading{background:var(--ink);color:var(--paper)}
.reading .eyebrow{color:rgba(245,240,232,.6)}
.reading h2.title em{color:var(--sage)}
.reading-track{height:300svh;position:relative}
.reading-stick{position:sticky;top:0;height:100svh;display:grid;grid-template-columns:.8fr 1.2fr;align-items:center;gap:clamp(24px,5vw,80px)}
.reading-stage{position:relative;aspect-ratio:4/5;max-height:80svh;width:100%;justify-self:center}
.reading-stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.2s var(--ease),transform 1.6s var(--ease);transform:scale(1.03)}
.reading-stage img.on{opacity:1;transform:scale(1)}
.steps{list-style:none;margin-top:44px;border-top:1px solid rgba(245,240,232,.18)}
.steps li{padding:20px 0;border-bottom:1px solid rgba(245,240,232,.18);opacity:.35;transition:opacity .6s}
.steps li.on{opacity:1}
.steps b{font:400 34px/1 var(--serif);display:block;margin-bottom:8px}
.steps span{font-size:14px;color:rgba(245,240,232,.7)}
.note{font-size:11px;letter-spacing:.08em;color:rgba(245,240,232,.45);margin-top:26px}

/* render ↔ uygulama karşılaştırma */
.pairs{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3vw,48px)}
.cmp{position:relative;aspect-ratio:3/2;overflow:hidden;cursor:ew-resize;user-select:none;touch-action:pan-y;background:var(--paper-2)}
.cmp img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.cmp .top{clip-path:inset(0 calc(100% - var(--x,50%)) 0 0)}
.cmp .knob{position:absolute;top:0;bottom:0;left:var(--x,50%);width:1px;background:var(--paper)}
.cmp .knob::after{content:"⟷";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;
  background:var(--paper);color:var(--ink);display:grid;place-items:center;font-size:16px;box-shadow:0 10px 30px -10px rgba(0,0,0,.4)}
.cmp .tag{position:absolute;top:16px;font:500 10px/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;background:rgba(245,240,232,.9);padding:8px 10px}
.cmp .tag.l{left:16px}.cmp .tag.r{right:16px}
.pair-cap{display:flex;justify-content:space-between;margin-top:14px;font-size:13px;color:var(--ink-soft)}
.pair-cap b{font:400 24px/1 var(--serif);color:var(--ink)}

/* malzeme şeridi */
.materials{display:grid;grid-template-columns:repeat(8,1fr);gap:14px}
.sw{position:relative}
.sw .chip{aspect-ratio:1/1.5;overflow:hidden;border-radius:999px 999px 4px 4px}
.sw img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.sw:hover img{transform:scale(1.12)}
.sw span{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;margin-top:12px;color:var(--ink-soft)}

/* kavramsal */
.concept{columns:4;column-gap:18px}
.concept figure{break-inside:avoid;margin-bottom:18px;cursor:zoom-in}
.concept img{width:100%;transition:opacity .4s}
.concept figure:hover img{opacity:.85}
.concept figcaption{font-size:12px;color:var(--ink-soft);margin-top:8px}
.ai-note{display:inline-flex;gap:10px;align-items:center;font-size:12px;color:var(--ink-soft);border:1px solid var(--line);padding:10px 14px;border-radius:999px;margin-top:22px}
.ai-note i{width:6px;height:6px;border-radius:50%;background:var(--sage-deep)}

/* hakkında */
.about{display:grid;grid-template-columns:5fr 7fr;gap:clamp(30px,6vw,110px)}
.about .quote{font:400 clamp(28px,3vw,44px)/1.18 var(--serif);margin-bottom:34px}
.about .quote em{color:var(--sage-deep)}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:50px}
.tl{list-style:none}
.tl li{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--line)}
.tl time{font-size:12px;letter-spacing:.06em;color:var(--ink-soft);padding-top:5px}
.tl b{font:400 24px/1.1 var(--serif);display:block}
.tl em{font-style:normal;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--bronze);display:block;margin:6px 0}
.tl p{font-size:14px;color:var(--ink-soft)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tags span{font-size:12px;border:1px solid var(--line);padding:7px 12px;border-radius:999px}
h4.mini{margin-bottom:6px}

/* iletişim */
.contact{text-align:center;padding:clamp(110px,15vw,220px) 0 clamp(70px,9vw,120px);overflow:hidden}
.contact h2{font:400 clamp(50px,9vw,160px)/.9 var(--serif);letter-spacing:-.025em}
.contact h2 em{color:var(--sage-deep)}
.mail{display:inline-block;font:400 clamp(22px,3vw,40px)/1 var(--serif);margin-top:56px;padding-bottom:10px;border-bottom:1px solid var(--ink);transition:color .4s,border-color .4s;word-break:break-all}
.mail:hover{color:var(--sage-deep);border-color:var(--sage-deep)}
.links{display:flex;justify-content:center;gap:12px;margin-top:40px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;font:500 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--ink);padding:16px 24px;border-radius:999px;transition:.4s var(--ease)}
.btn:hover{background:var(--ink);color:var(--paper)}
.dwg{font-size:13px;color:var(--ink-soft);margin-top:34px}
footer{border-top:1px solid var(--line);padding:28px 0;font-size:12px;color:var(--ink-soft)}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer nav{display:flex;gap:24px}

/* proje sayfası */
.p-hero{padding-top:150px}
.p-hero h1{font:400 clamp(56px,10vw,170px)/.9 var(--serif);letter-spacing:-.025em;margin:18px 0 40px}
.p-meta{display:grid;grid-template-columns:repeat(3,1fr) 2fr;gap:30px;border-top:1px solid var(--line);padding-top:24px}
.p-meta dt{font:500 10px/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:10px}
.p-meta dd{font:400 22px/1.2 var(--serif)}
.p-meta p{font-size:16px;color:var(--ink-soft)}
.p-cover{margin:clamp(50px,7vw,100px) 0}
.p-cover img{width:100%;max-height:88svh;object-fit:cover}
.gal{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(16px,2vw,32px)}
.gal figure{cursor:zoom-in}
.gal figure.w{grid-column:1/-1}
.gal img{width:100%;height:100%;object-fit:cover}
.gal figcaption,.p-mat figcaption{font-size:12px;letter-spacing:.06em;color:var(--ink-soft);margin-top:10px}
.p-mat{display:flex;gap:24px;margin-top:70px;flex-wrap:wrap}
.p-mat figure{width:200px}
.p-mat img{aspect-ratio:1;object-fit:cover;border-radius:999px 999px 4px 4px}
.p-next{display:block;border-top:1px solid var(--line);margin-top:clamp(80px,10vw,150px);padding:60px 0 90px}
.p-next span{display:block}
.p-next b{font:400 clamp(44px,7vw,110px)/1 var(--serif);transition:color .4s}
.p-next:hover b{color:var(--sage-deep)}

/* lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(32,37,34,.94);display:none;align-items:center;justify-content:center;padding:4vw}
.lb.on{display:flex}
.lb img{max-width:100%;max-height:86svh;object-fit:contain}
.lb p{position:absolute;left:0;right:0;bottom:22px;text-align:center;color:rgba(245,240,232,.75);font-size:13px}
.lb button{position:absolute;background:none;border:0;color:var(--paper);font:300 34px/1 var(--sans);cursor:pointer;padding:16px}
.lb .x{top:10px;right:16px}.lb .pv{left:8px;top:50%;transform:translateY(-50%)}.lb .nx{right:8px;top:50%;transform:translateY(-50%)}

/* görünme animasyonu (titreme yok: sadece opaklık + yumuşak kayma) */
.rv{opacity:0;transform:translate3d(0,40px,0);transition:opacity 1.2s var(--ease),transform 1.2s var(--ease)}
.rv.in{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}

.legal{padding:160px 0 100px;max-width:760px}
.legal h1{font:400 64px/1 var(--serif);margin-bottom:40px}
.legal h2{font:400 28px/1.2 var(--serif);margin:36px 0 10px}
.legal p{color:var(--ink-soft);margin-bottom:12px}
.todo{background:#fff3cd;padding:2px 6px}

@media (max-width:980px){
  .hero{grid-template-columns:1fr;padding-top:120px}
  .arch{justify-self:center;max-width:440px;order:-1}
  .arch figcaption{display:none}
  .scroll-hint{display:none}
  .sec-head,.about,.cols2{grid-template-columns:1fr}
  .sec-head p{justify-self:start}
  .grid{grid-template-columns:1fr;row-gap:60px}
  .grid>.card{grid-column:1/-1!important;margin-top:0!important}
  .reading-stick{grid-template-columns:1fr;align-content:center;gap:18px;padding-top:80px;padding-bottom:20px}
  .reading-stage{order:-1;height:42svh;max-height:none;aspect-ratio:auto;width:100%}
  .reading .sec-txt h2{font-size:38px;margin-top:10px!important}
  .steps{margin-top:14px}.steps li{padding:10px 0}.steps b{font-size:22px;margin:0}
  .steps li span{display:none}.steps li.on span{display:block;margin-top:6px;font-size:13px}
  .note{margin-top:12px}
  .pairs{grid-template-columns:1fr}
  .materials{grid-template-columns:repeat(4,1fr)}
  .concept{columns:2}
  .p-meta{grid-template-columns:1fr 1fr}.p-meta>div:last-child{grid-column:1/-1}
  .gal{grid-template-columns:1fr}
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--line);
    padding:10px var(--gut) 24px;transform:translateY(-120%);transition:transform .6s var(--ease)}
  .nav.open{transform:none}
  .nav a{padding:16px 0;border-bottom:1px solid var(--line);font-size:13px}
  .menu-btn{display:block}
  .mark small{display:none}
  .tl li{grid-template-columns:1fr;gap:4px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}