/* Studio Mavi — açık, editöryel, büyük tipografi iç mimari kimliği */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.08;letter-spacing:-.025em;font-weight:600}
h1{font-size:clamp(2.4rem,6.5vw,5rem)}
h2{font-size:clamp(1.8rem,4vw,2.9rem)}
h3{font-size:1.25rem}
p{margin:0 0 1rem}
.ic{flex:0 0 auto;vertical-align:middle}
.skip{position:absolute;left:-999px;top:0;background:var(--brand);color:var(--on-brand);padding:.6rem 1rem;z-index:200}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding-inline:clamp(20px,5vw,56px)}
.wrap-narrow{max-width:820px}

.label{display:inline-flex;align-items:center;gap:.6rem;font-size:.72rem;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--brand)}
.label-muted{color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;font-size:.95rem;padding:.85rem 1.6rem;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s,transform .08s;min-height:50px;letter-spacing:.02em}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}
.btn-primary:hover{background:transparent;color:var(--brand)}
.btn-secondary{background:transparent;color:var(--text);border-color:var(--text)}
.btn-secondary:hover{background:var(--text);color:var(--bg)}
.btn-ghost{background:transparent;color:var(--brand);border:0;padding-inline:.2rem;min-height:auto}
.btn-ghost:hover{opacity:.7}
.btn-lg{padding:1rem 1.9rem;font-size:1rem;min-height:56px}
.btn-block{width:100%}

/* header — logo sol, nav merkez, eylem sağ */
.topbar{background:var(--text);color:var(--bg);font-size:.8rem}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:38px;flex-wrap:wrap}
.topbar-in a{color:var(--bg);opacity:.85}
.topbar-in a:hover{opacity:1}
.topbar-note{display:inline-flex;align-items:center;gap:.45rem;letter-spacing:.04em}

.site-head{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.head-in{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;min-height:78px}
.brand{display:inline-flex;align-items:baseline;gap:.5rem;font-weight:600;justify-self:start}
.brand b{font-size:1.3rem;letter-spacing:-.02em}
.brand span{font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.site-nav{display:flex;align-items:center;gap:.1rem;justify-self:center}
.site-nav a{padding:.5rem .85rem;color:var(--muted);font-weight:500;font-size:.93rem;letter-spacing:.01em}
.site-nav a:hover{color:var(--text)}
.site-nav a.active{color:var(--text)}
.head-action{justify-self:end;display:flex;align-items:center;gap:1rem}
.head-action .htel{font-size:.9rem;color:var(--muted);font-weight:500}
.head-action .htel:hover{color:var(--brand)}
.nav-cta{background:var(--brand);color:var(--on-brand)!important;padding:.6rem 1.2rem;border-radius:var(--radius);font-weight:600;font-size:.9rem}
.nav-cta:hover{background:var(--text)}
.nav-cta-mob{display:none}
.burger,.navtoggle{display:none}

/* masthead hero */
.masthead{padding:clamp(48px,8vw,110px) 0 0}
.masthead .label{margin-bottom:1.6rem}
.masthead h1{max-width:16ch;margin-bottom:1.6rem}
.masthead-lede{font-size:clamp(1.1rem,1.8vw,1.35rem);color:var(--muted);max-width:56ch;margin-bottom:2.2rem}
.masthead-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:clamp(40px,6vw,72px)}
.meta-row{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
.meta-row div{padding:1.2rem 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:baseline;gap:1rem}
.meta-row dt{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.meta-row dd{margin:0;font-size:1.4rem;font-weight:600;letter-spacing:-.02em;color:var(--brand)}

/* work strip */
.strip{display:grid;grid-template-columns:1fr;gap:8px;margin-top:clamp(36px,5vw,64px)}
.strip-cell{aspect-ratio:3/4;background:var(--surface);border:1px solid var(--line);position:relative;overflow:hidden;display:grid;place-items:center;color:color-mix(in srgb,var(--brand) 30%,var(--line))}
.strip-cell img{width:100%;height:100%;object-fit:cover}
.strip-cell figcaption{position:absolute;left:0;right:0;bottom:0;padding:.8rem 1rem;background:linear-gradient(transparent,rgba(20,30,25,.6));color:#fff;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase}

/* sections */
.section{padding:clamp(60px,9vw,128px) 0}
.section-surface{background:var(--surface);border-block:1px solid var(--line)}
.sec-head{margin-bottom:clamp(36px,5vw,64px);max-width:62ch}
.sec-head .label{margin-bottom:1.2rem}
.sec-head p{color:var(--muted);margin:.8rem 0 0;font-size:1.05rem}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;flex-wrap:wrap;max-width:none}

/* statement (2-col) */
.statement{display:grid;gap:clamp(24px,4vw,56px);align-items:start}
.statement h2{font-size:clamp(1.7rem,3.4vw,2.7rem);max-width:18ch}
.statement-col p{color:var(--muted);font-size:1.08rem}
.statement-col p:first-child{color:var(--text)}

/* index list (hizmetler) */
.index{border-top:1px solid var(--text)}
.ix-row{display:grid;grid-template-columns:auto 1fr;gap:clamp(1rem,4vw,3rem);padding:clamp(1.6rem,3.5vw,2.6rem) 0;border-bottom:1px solid var(--line);align-items:baseline;transition:padding-left .25s;min-width:0}
.ix-row:hover{padding-left:.6rem}
.ix-no{font-size:clamp(1.1rem,2vw,1.4rem);color:var(--brand);font-weight:600;font-variant-numeric:tabular-nums}
.ix-main{min-width:0;display:grid;gap:.8rem}
.ix-top{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.ix-main h3{font-size:clamp(1.4rem,2.6vw,2rem);margin:0;font-weight:600}
.ix-main p{color:var(--muted);margin:0;max-width:70ch}
.ix-arrow{color:var(--brand);display:inline-flex}
.ix-note{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* mosaic (projects) */
.mosaic{display:grid;grid-template-columns:1fr;gap:clamp(14px,2vw,24px)}
.mw{position:relative;overflow:hidden;border:1px solid var(--line);background:var(--surface);aspect-ratio:4/3;display:block}
.mw img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.mw:hover img{transform:scale(1.04)}
.mw-ph{position:absolute;inset:0;display:grid;place-items:center;color:color-mix(in srgb,var(--brand) 28%,var(--line))}
.mw-cap{position:absolute;left:0;right:0;bottom:0;padding:1.3rem;background:linear-gradient(transparent,rgba(20,30,25,.78));color:#fff}
.mw-cap span{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;opacity:.85}
.mw-cap h3{margin:.3rem 0 0;color:#fff;font-size:1.35rem}
.mw-cap small{opacity:.85}

/* phases */
.phases{display:grid;grid-template-columns:1fr;gap:clamp(20px,3vw,32px);counter-reset:ph}
.phase{border-top:2px solid var(--brand);padding-top:1.4rem}
.phase-no{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brand);font-weight:600}
.phase h3{margin:.6rem 0 .4rem;font-size:1.3rem}
.phase p{color:var(--muted);margin:0;font-size:.96rem}

/* feature quote */
.feature{text-align:center;max-width:46ch;margin:0 auto}
.feature .label{margin-bottom:1.4rem;justify-content:center}
.feature blockquote{margin:0 0 1.4rem;font-size:clamp(1.5rem,3.4vw,2.4rem);line-height:1.3;letter-spacing:-.02em;font-weight:500}
.feature-stars{display:inline-flex;color:var(--accent);margin-bottom:.6rem}
.feature figcaption{color:var(--muted);font-size:.95rem;letter-spacing:.04em}
.feature figcaption strong{color:var(--text);font-weight:600}

/* areas chips */
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.6rem}
.chips li{display:inline-flex;align-items:center;gap:.4rem;border:1px solid var(--line);border-radius:999px;padding:.55rem 1.1rem;font-size:.9rem;color:var(--text);background:var(--bg)}
.section-surface .chips li{background:var(--surface)}
.chips .ic{color:var(--brand)}

/* faq */
.faq{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:1.3rem .2rem;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center;font-size:1.1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--brand);line-height:1;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq-a{padding:0 .2rem 1.3rem;color:var(--muted);max-width:74ch}

/* cta */
.cta{padding:clamp(56px,8vw,112px) 0}
.cta-in{background:var(--text);color:var(--bg);border-radius:var(--radius);padding:clamp(36px,6vw,72px);text-align:center}
.cta-in .label{color:color-mix(in srgb,var(--bg) 70%,var(--brand));justify-content:center;margin-bottom:1.2rem}
.cta-in h2{color:var(--bg);margin:0 auto .8rem;max-width:18ch}
.cta-in p{color:color-mix(in srgb,var(--bg) 75%,transparent);margin:0 auto 1.8rem;max-width:50ch}
.cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.cta .btn-secondary{border-color:var(--bg);color:var(--bg)}
.cta .btn-secondary:hover{background:var(--bg);color:var(--text)}

/* page head */
.page-head{padding:clamp(48px,7vw,100px) 0 clamp(28px,4vw,48px);border-bottom:1px solid var(--line)}
.page-head .label{margin-bottom:1.2rem}
.page-head .masthead-lede{margin-top:1rem;margin-bottom:0}
.crumb{font-size:.82rem;color:var(--muted);margin-bottom:1.4rem;letter-spacing:.04em}
.crumb a:hover{color:var(--brand)}

/* detail */
.detail-grid{display:grid;gap:clamp(28px,4vw,56px);align-items:start}
.detail-body p:first-of-type{color:var(--text);font-size:1.2rem}
.detail-body p{color:var(--muted)}
.detail-img{border:1px solid var(--line);margin-bottom:1.6rem;border-radius:var(--radius)}
.side-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;margin-bottom:1.2rem;position:sticky;top:100px}
.side-box h3,.side-box h4{margin-bottom:.9rem}
.side-price{color:var(--brand);font-weight:600;display:flex;align-items:center;gap:.5rem;margin-bottom:1rem}
.side-box .btn{margin-bottom:.6rem}
.side-sep{margin-top:1.4rem;padding-top:1.2rem;border-top:1px solid var(--line)}
.side-list{list-style:none;margin:0;padding:0}
.side-list a{display:flex;align-items:center;gap:.6rem;padding:.7rem 0;color:var(--muted);font-weight:500;font-size:.95rem;border-bottom:1px solid var(--line)}
.side-list li:last-child a{border-bottom:0}
.side-list a:hover{color:var(--brand)}
.side-list .ic{color:var(--brand)}

/* gallery */
.gallery{display:grid;grid-template-columns:1fr;gap:14px}
.gal-item{margin:0;position:relative;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--surface)}
.gal-item img{width:100%;height:100%;object-fit:cover}
.gal-item .ph{position:absolute;inset:0;display:grid;place-items:center;color:color-mix(in srgb,var(--brand) 28%,var(--line))}
.gal-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:.8rem 1rem;background:linear-gradient(transparent,rgba(20,30,25,.72));color:#fff;font-size:.85rem}

/* article */
.article p:first-child{color:var(--text);font-size:1.25rem}
.article p{color:var(--muted)}
.article-cta{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}

/* contact */
.contact-grid{display:grid;gap:clamp(28px,4vw,56px);align-items:start}
.ci-card{display:flex;align-items:center;gap:1rem;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;margin-bottom:1.2rem;background:var(--surface)}
.ci-ic{display:grid;place-items:center;width:54px;height:54px;border-radius:var(--radius);background:var(--brand);color:var(--on-brand);flex:0 0 auto}
.ci-card small{display:block;color:var(--muted);font-size:.74rem;text-transform:uppercase;letter-spacing:.14em}
.ci-big{font-size:1.4rem;font-weight:600;color:var(--text)}
.ci-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.9rem}
.ci-list li{display:flex;align-items:center;gap:.7rem;color:var(--muted)}
.ci-list .ic{color:var(--brand);flex:0 0 auto}
.ci-list a:hover{color:var(--brand)}

/* forms */
.contact-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3vw,40px)}
.field{margin-bottom:1.2rem;display:flex;flex-direction:column;min-width:0}
.field-row{display:grid;grid-template-columns:1fr;gap:0 1.2rem}
.field label{font-weight:500;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
.field input,.field select,.field textarea{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:.8rem .95rem;min-height:50px;width:100%}
.field textarea{min-height:auto;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

/* alerts + empty */
.alert{border-radius:var(--radius);padding:.95rem 1.2rem;margin:1.4rem 0;border:1px solid var(--line);font-weight:500}
.alert-success{background:color-mix(in srgb,var(--brand) 12%,var(--surface));border-color:var(--brand)}
.alert-error{background:color-mix(in srgb,var(--accent) 14%,var(--surface));border-color:var(--accent)}
.empty{grid-column:1/-1;text-align:center;padding:3rem 1rem;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius)}
.empty .ic{color:var(--line);margin-bottom:.6rem}

/* footer */
.site-foot{background:var(--text);color:color-mix(in srgb,var(--bg) 78%,transparent);padding-top:clamp(48px,6vw,80px)}
.foot-grid{display:grid;grid-template-columns:1fr;gap:2.4rem;padding-bottom:2.8rem}
.foot-brand b{color:var(--bg);font-size:1.4rem;font-weight:600;letter-spacing:-.02em}
.foot-brand p{margin:1rem 0 1.4rem;max-width:40ch}
.foot-col h4{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:color-mix(in srgb,var(--bg) 60%,transparent);margin-bottom:1.1rem}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.65rem}
.foot-col a:hover{color:var(--bg)}
.foot-iletisim li{display:flex;gap:.6rem;margin-bottom:.7rem;align-items:flex-start}
.foot-iletisim .ic{color:var(--brand);margin-top:3px;flex:0 0 auto}
.foot-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1.4rem 0;border-top:1px solid color-mix(in srgb,var(--bg) 20%,transparent);font-size:.85rem}
.foot-bottom a:hover{color:var(--bg)}
.site-foot .brand b{color:var(--bg)}

/* FAB */
.fab{position:fixed;bottom:18px;right:18px;z-index:90;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:0 12px 30px -10px rgba(0,0,0,.3);background:#25d366;color:#fff}

@media(min-width:600px){
  .field-row{grid-template-columns:1fr 1fr}
  .strip{grid-template-columns:repeat(3,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .phases{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:900px){
  .masthead h1{font-size:clamp(3rem,6vw,5rem)}
  .meta-row{grid-template-columns:repeat(4,1fr)}
  .meta-row div{flex-direction:column;align-items:flex-start;gap:.6rem;border-bottom:0;border-right:1px solid var(--line);padding:1.4rem 1.6rem 1.4rem 0}
  .meta-row div:last-child{border-right:0}
  .statement{grid-template-columns:1fr 1fr}
  .mosaic{grid-template-columns:repeat(6,1fr);grid-auto-rows:1fr}
  .mw{aspect-ratio:auto}
  .mw-1{grid-column:span 4;grid-row:span 2}
  .mw-2{grid-column:span 2}
  .mw-3{grid-column:span 2}
  .mw-4{grid-column:span 2}
  .mw-5{grid-column:span 4}
  .mw-6{grid-column:span 2}
  .phases{grid-template-columns:repeat(4,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .detail-grid{grid-template-columns:1.7fr .9fr}
  .contact-grid{grid-template-columns:.9fr 1.1fr}
}

/* mobile nav */
@media(max-width:899px){
  .head-in{grid-template-columns:1fr auto}
  .head-action{display:none}
  .burger{display:inline-flex;flex-direction:column;gap:5px;width:48px;height:48px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;justify-self:end}
  .burger span{width:22px;height:2px;background:var(--text);transition:.2s}
  .site-nav{display:none;position:fixed;inset:0 0 0 auto;width:min(84vw,330px);background:var(--surface);border-left:1px solid var(--line);flex-direction:column;align-items:stretch;padding:5.5rem 1.6rem 2rem;gap:.2rem;overflow-y:auto;z-index:120;justify-self:auto}
  .navtoggle:checked~.site-nav{display:flex;animation:navin .25s ease}
  @keyframes navin{from{transform:translateX(100%)}to{transform:translateX(0)}}
  .navtoggle:checked~.burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .navtoggle:checked~.burger span:nth-child(2){opacity:0}
  .navtoggle:checked~.burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .site-nav a{padding:.95rem .4rem;font-size:1.1rem;border-bottom:1px solid var(--line)}
  .site-nav a.active{color:var(--brand)}
  .nav-cta-mob{display:flex;margin-top:.9rem;text-align:center;justify-content:center;border-bottom:0;color:var(--on-brand)!important}
}
@media(min-width:900px){.burger,.navtoggle{display:none}}
@media(max-width:480px){
  .ix-top{flex-direction:column;gap:.3rem}
}