/* =========================================================
   Piev — Modern Design System
   Renkler: Antrasit #1c1e27 · Altın/Bronz #a08c69 · Beyaz
   ========================================================= */
:root{
    --ink:#1c1e27;
    --ink-soft:#2a2d38;
    --gold:#a08c69;
    --gold-dark:#8a774f;
    --gold-light:#c4b393;
    --paper:#ffffff;
    --cream:#f7f5f1;
    --line:#e7e3db;
    --muted:#6f6f76;
    --radius:14px;
    --maxw:1240px;
    --shadow:0 18px 50px -20px rgba(28,30,39,.28);
    --shadow-sm:0 8px 24px -12px rgba(28,30,39,.22);
    --ease:cubic-bezier(.22,.61,.36,1);
    --serif:"Cormorant Garamond",Georgia,serif;
    --sans:"Manrope",-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--sans);
    color:var(--ink);
    background:var(--paper);
    line-height:1.6;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}

h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.12;letter-spacing:.2px}
.eyebrow{
    display:inline-block;font-family:var(--sans);font-size:.74rem;font-weight:600;
    letter-spacing:.28em;text-transform:uppercase;color:var(--gold);margin-bottom:18px;
}
.section{padding:110px 0}
.section--cream{background:var(--cream)}
.section--ink{background:var(--ink);color:#fff}
.lead{font-size:1.18rem;color:var(--muted);max-width:680px}
.section--ink .lead{color:rgba(255,255,255,.7)}

/* Buttons */
.btn{
    display:inline-flex;align-items:center;gap:10px;
    padding:15px 32px;border-radius:50px;font-weight:600;font-size:.86rem;
    letter-spacing:.06em;text-transform:uppercase;cursor:pointer;border:1.5px solid transparent;
    transition:all .3s var(--ease);
}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:var(--gold-dark);transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(160,140,105,.7)}
.btn-outline{border-color:rgba(255,255,255,.4);color:#fff}
.btn-outline:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-soft);transform:translateY(-2px)}
.btn .arrow{transition:transform .3s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}

/* ============ Header ============ */
.site-header{
    position:fixed;top:0;left:0;width:100%;z-index:1000;
    padding:22px 0;transition:all .4s var(--ease);
}
.site-header.scrolled{
    padding:12px 0;background:rgba(28,30,39,.92);
    backdrop-filter:blur(12px);box-shadow:0 8px 30px -18px rgba(0,0,0,.6);
}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.logo img{height:46px;width:auto;transition:height .4s var(--ease)}
.site-header.scrolled .logo img{height:38px}
.main-nav{display:flex;gap:38px}
.main-nav a{
    color:#fff;font-weight:600;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;
    position:relative;padding:4px 0;opacity:.92;
}
.main-nav a::after{
    content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--gold);
    transition:width .3s var(--ease);
}
.main-nav a:hover,.main-nav a.active{color:#fff;opacity:1}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;position:relative;z-index:1101;padding:4px}
.nav-toggle span{width:26px;height:2px;background:#fff;transition:all .3s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ Hero ============ */
.hero{
    position:relative;min-height:100vh;display:flex;align-items:center;
    color:#fff;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;animation:slowzoom 18s var(--ease) infinite alternate}
@keyframes slowzoom{from{transform:scale(1)}to{transform:scale(1.08)}}
.hero::after{
    content:"";position:absolute;inset:0;z-index:-1;
    background:linear-gradient(105deg,rgba(28,30,39,.86) 0%,rgba(28,30,39,.55) 55%,rgba(28,30,39,.25) 100%);
}
.hero-content{max-width:760px;padding-top:80px}
.hero h1{font-size:clamp(2.6rem,6vw,5rem);font-weight:600;margin-bottom:26px}
.hero h1 .accent{color:var(--gold-light);font-style:italic}
.hero p{font-size:1.22rem;color:rgba(255,255,255,.85);max-width:560px;margin-bottom:38px;font-weight:300}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.scroll-hint{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.6);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none}
/* Kısa ekranlarda hero butonlarıyla çakışmasın */
@media(max-height:900px){.scroll-hint{display:none}}
.scroll-hint::after{content:"";width:1px;height:42px;background:rgba(255,255,255,.4);animation:scrolly 1.8s var(--ease) infinite}
@keyframes scrolly{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ============ Section heading ============ */
.section-head{max-width:720px;margin-bottom:60px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(2rem,4vw,3.1rem)}
.section-head p{margin-top:18px;color:var(--muted);font-size:1.08rem}
.section--ink .section-head p{color:rgba(255,255,255,.65)}

/* ============ Intro + Stats ============ */
.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.intro-text h2{font-size:clamp(2rem,4vw,3rem);margin-bottom:24px}
.intro-text p{color:var(--muted);font-size:1.1rem;margin-bottom:28px}
.intro-media{position:relative}
.intro-media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:520px;object-fit:cover}
.intro-media::before{content:"";position:absolute;inset:-18px -18px 18px 18px;border:1.5px solid var(--gold);border-radius:var(--radius);z-index:-1}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:50px}
.stat{text-align:center}
.stat .num{font-family:var(--serif);font-size:3rem;color:var(--gold);font-weight:600;line-height:1}
.stat .lbl{margin-top:10px;font-size:.86rem;color:var(--muted);letter-spacing:.04em}

/* ============ Projects grid ============ */
.proj-filters{display:flex;justify-content:center;gap:12px;margin-bottom:50px;flex-wrap:wrap}
.proj-filters button{
    padding:10px 26px;border-radius:50px;border:1.5px solid var(--line);background:transparent;
    font-family:var(--sans);font-weight:600;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;
    color:var(--muted);cursor:pointer;transition:all .3s var(--ease);
}
.proj-filters button.active,.proj-filters button:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:34px}
.proj-card{
    position:relative;border-radius:var(--radius);overflow:hidden;height:440px;
    box-shadow:var(--shadow-sm);transition:transform .5s var(--ease),box-shadow .5s var(--ease);
    display:block;
}
.proj-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.proj-card .pc-img{position:absolute;inset:0}
.proj-card .pc-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.proj-card:hover .pc-img img{transform:scale(1.07)}
.proj-card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(28,30,39,.92) 0%,rgba(28,30,39,.35) 45%,rgba(28,30,39,0) 75%)}
.proj-card .pc-body{position:absolute;left:0;bottom:0;padding:34px;z-index:2;color:#fff;width:100%}
.pc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.pc-tag{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;padding:6px 12px;border-radius:50px;background:rgba(255,255,255,.16);backdrop-filter:blur(4px)}
.pc-tag.gold{background:var(--gold)}
.proj-card h3{font-size:1.9rem;margin-bottom:6px}
.pc-loc{font-size:.9rem;color:rgba(255,255,255,.8);display:flex;align-items:center;gap:7px}
.pc-arrow{position:absolute;top:28px;right:28px;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.14);backdrop-filter:blur(4px);display:grid;place-items:center;opacity:0;transform:translateY(-8px);transition:all .4s var(--ease);z-index:2}
.proj-card:hover .pc-arrow{opacity:1;transform:translateY(0)}
.pc-arrow svg{stroke:#fff}

/* ============ CTA band ============ */
.cta-band{position:relative;padding:120px 0;text-align:center;color:#fff;overflow:hidden;background:var(--ink)}
.cta-band .hero-bg img{filter:brightness(.4)}
.cta-band h2{font-size:clamp(2rem,4vw,3.2rem);margin-bottom:22px}
.cta-band p{max-width:560px;margin:0 auto 36px;color:rgba(255,255,255,.82);font-size:1.1rem}

/* ============ Page hero (inner) ============ */
.page-hero{position:relative;padding:200px 0 90px;color:#fff;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(120deg,rgba(28,30,39,.9),rgba(28,30,39,.6))}
.page-hero .hero-bg img{filter:brightness(.7)}
.page-hero h1{font-size:clamp(2.4rem,5vw,4rem)}
.breadcrumb{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-light);margin-bottom:16px}
.breadcrumb a:hover{color:#fff}

/* ============ About values ============ */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:20px}
.value-card{padding:44px 34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:all .4s var(--ease)}
.value-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.value-card .vnum{font-family:var(--serif);font-size:2.4rem;color:var(--gold);margin-bottom:18px}
.value-card h3{font-size:1.4rem;margin-bottom:12px}
.value-card p{color:var(--muted);font-size:.98rem}
.about-cols{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-cols img{border-radius:var(--radius);height:540px;object-fit:cover;width:100%;box-shadow:var(--shadow)}
.about-cols .lead{margin-bottom:24px;color:var(--ink);font-family:var(--serif);font-size:1.6rem;line-height:1.4}
.about-cols p{color:var(--muted);margin-bottom:18px}

/* ============ Project detail ============ */
.pd-gallery{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:repeat(2,260px);gap:14px}
.pd-gallery a{overflow:hidden;border-radius:10px;position:relative}
.pd-gallery a:first-child{grid-row:span 2}
.pd-gallery img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.pd-gallery a:hover img{transform:scale(1.06)}
.pd-more{position:absolute;inset:0;background:rgba(28,30,39,.6);display:grid;place-items:center;color:#fff;font-family:var(--serif);font-size:1.6rem}
.pd-layout{display:grid;grid-template-columns:1fr 360px;gap:60px;align-items:start}
.pd-body h2{font-size:2.2rem;margin:0 0 22px}
.pd-body p{color:var(--muted);font-size:1.08rem;margin-bottom:18px}
.pd-features{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.pd-features li{list-style:none;display:flex;align-items:center;gap:12px;color:var(--ink);font-size:.98rem;font-weight:500}
.pd-features li::before{content:"";width:22px;height:22px;border-radius:50%;background:var(--cream);border:1.5px solid var(--gold);flex:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a08c69' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center}
.pd-aside{position:sticky;top:100px;background:var(--ink);color:#fff;border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.pd-aside h3{font-size:1.4rem;margin-bottom:22px;color:#fff}
.spec-row{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:.95rem}
.spec-row:last-child{border-bottom:0}
.spec-row .sk{color:rgba(255,255,255,.6)}
.spec-row .sv{font-weight:600;text-align:right}
.pd-aside .btn{width:100%;justify-content:center;margin-top:26px}
.apt-types{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:20px}
.apt-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.apt-card h4{font-size:1.3rem;margin-bottom:6px}
.apt-card .apt-net{color:var(--gold);font-weight:600;font-size:.9rem;margin-bottom:16px;display:block}
.apt-card .arow{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--line);font-size:.92rem}
.apt-card .arow:last-child{border-bottom:0}
.apt-card .arow span:first-child{color:var(--muted)}
.apt-plan{display:block;margin-top:18px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;transition:box-shadow .3s var(--ease)}
.apt-plan img{width:100%;height:auto;display:block;transition:transform .5s var(--ease)}
.apt-plan:hover{box-shadow:var(--shadow-sm)}
.apt-plan:hover img{transform:scale(1.03)}
.plans{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.plans img{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:16px}
.loc-img{border-radius:var(--radius);overflow:hidden;margin-top:20px;box-shadow:var(--shadow-sm)}

/* ============ Contact ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-info .ci-item{display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--line)}
.contact-info .ci-item:last-child{border-bottom:0}
.ci-icon{width:48px;height:48px;border-radius:50%;background:var(--cream);display:grid;place-items:center;flex:none}
.ci-icon svg{stroke:var(--gold)}
.ci-text h4{font-family:var(--sans);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:5px;font-weight:600}
.ci-text a,.ci-text p{font-size:1.05rem;color:var(--ink)}
.ci-text a:hover{color:var(--gold)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:42px;box-shadow:var(--shadow-sm)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.8rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.field input,.field textarea{
    width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:10px;
    font-family:var(--sans);font-size:1rem;color:var(--ink);background:var(--cream);transition:all .25s var(--ease);
}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--gold);background:#fff}
.field textarea{min-height:140px;resize:vertical}
.form-alert{padding:14px 18px;border-radius:10px;margin-bottom:22px;font-size:.95rem}
.form-alert.ok{background:#e9f6ee;color:#1d6b3f;border:1px solid #bfe6cd}
.form-alert.err{background:#fdecec;color:#a32a2a;border:1px solid #f3c6c6}
.map-wrap{margin-top:60px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);height:420px}
.map-wrap iframe{width:100%;height:100%;border:0}

/* ============ Footer ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1.3fr 1fr;gap:40px;padding:76px 0 50px}
.footer-brand .footer-logo{height:46px;width:auto;margin-bottom:20px}
.footer-brand p{font-size:.96rem;color:rgba(255,255,255,.55);max-width:280px;line-height:1.7}
.footer-col h4{font-family:var(--sans);font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:20px}
.footer-col a{display:block;font-size:.95rem;color:rgba(255,255,255,.6);margin-bottom:12px;transition:color .25s var(--ease)}
.footer-col a:hover{color:var(--gold-light)}
.footer-addr{font-size:.95rem;color:rgba(255,255,255,.6);margin-top:8px;line-height:1.7}
.social-links{display:flex;flex-direction:column;gap:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:24px 0}
.footer-bottom span{font-size:.85rem;color:rgba(255,255,255,.42);letter-spacing:.02em}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:56px 0 38px}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr;gap:30px}}

/* ============ Logo-cover projects ============ */
.proj-card--logo{background:linear-gradient(160deg,#1f212a,#16171f)}
.proj-card--logo .pc-img img{object-fit:contain;padding:30px}
.proj-card--logo:hover .pc-img img{transform:scale(1.04)}
.proj-card--logo::after{background:linear-gradient(to top,rgba(20,21,28,.85) 0%,rgba(20,21,28,0) 40%)}

.page-hero--logo{padding:170px 0 84px;text-align:center;background:linear-gradient(160deg,#1f212a,#15161d)}
.page-hero--logo::after{display:none}
.page-hero--logo .breadcrumb{display:block}
.ph-logo{margin:18px auto 26px;max-width:320px}
.ph-logo img{width:100%;height:auto;max-height:300px;object-fit:contain;margin:0 auto;display:block}
.page-hero--logo p{color:rgba(255,255,255,.82);max-width:600px;margin:0 auto;font-size:1.12rem}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ Lightbox ============ */
.lightbox{position:fixed;inset:0;z-index:2000;background:rgba(15,16,22,.94);display:none;align-items:center;justify-content:center;padding:40px}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:86vh;border-radius:8px;box-shadow:0 30px 80px -20px rgba(0,0,0,.8)}
.lightbox button{position:absolute;background:rgba(255,255,255,.1);border:0;color:#fff;cursor:pointer;border-radius:50%;transition:background .25s}
.lightbox button:hover{background:var(--gold)}
.lb-close{top:26px;right:30px;width:48px;height:48px;font-size:1.8rem;line-height:1}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);width:56px;height:56px;font-size:2rem;line-height:1}
.lb-prev{left:30px}.lb-next{right:30px}
@media(max-width:760px){.lb-prev{left:12px}.lb-next{right:12px}.lb-prev,.lb-next{width:44px;height:44px}}

/* ============ Reveal animation ============ */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ Responsive ============ */
@media(max-width:980px){
    .intro-grid,.about-cols,.pd-layout,.contact-grid{grid-template-columns:1fr;gap:40px}
    .pd-aside{position:static}
    .intro-media img,.about-cols img{height:400px}
    .pd-gallery{grid-template-columns:1fr 1fr;grid-template-rows:repeat(3,220px)}
    .pd-gallery a:first-child{grid-row:span 1;grid-column:span 2}
}
@media(max-width:760px){
    .section{padding:72px 0}
    .main-nav{
        position:fixed;inset:0;background:rgba(28,30,39,.98);flex-direction:column;
        justify-content:center;align-items:center;gap:30px;transform:translateX(100%);
        transition:transform .4s var(--ease);z-index:1100;
    }
    .main-nav.open{transform:translateX(0)}
    body.nav-open{overflow:hidden}
    .main-nav a{font-size:1.3rem}
    .nav-toggle{display:flex}
    /* backdrop-filter/transform "containing block" oluşturur ve fixed menüyü header kutusuna hapseder; mobilde kaldırıyoruz */
    .site-header,.site-header.scrolled{background:rgba(28,30,39,.96);backdrop-filter:none;-webkit-backdrop-filter:none}
    .proj-grid,.stats,.values,.pd-features,.apt-types,.plans,.form-row{grid-template-columns:1fr}
    .proj-card{height:380px}
    .hero-actions{flex-direction:column}
    .hero-actions .btn{width:100%;justify-content:center}
    .pd-gallery{grid-template-columns:1fr;grid-template-rows:none}
    .pd-gallery a{height:240px}
    .pd-gallery a:first-child{grid-column:span 1}
}