:root{
    --ink:#1c2530;
    --ink-70:rgba(28,37,48,.7);
    --sand:#ede6d6;
    --paper:#faf8f4;
    --aegean:#3c6e8f;
    --aegean-dk:#2a4f66;
    --clay:#b0562e;
    --alu:#8d97a0;
    --line:rgba(28,37,48,.12);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'Work Sans',sans-serif;
    line-height:1.6;
  }
  h1,h2,h3,.display{
    font-family:'Fraunces',serif;
    font-weight:600;
    line-height:1.1;
    margin:0 0 .4em;
    letter-spacing:-.01em;
  }
  p{margin:0 0 1em;color:var(--ink-70);}
  a{color:inherit;}
  .wrap{max-width:1120px;margin:0 auto;padding:0 24px;}
  @media(prefers-reduced-motion: reduce){*{animation-duration:.01ms !important;transition-duration:.01ms !important;}}

  /* header */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(250,248,244,.92);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;max-width:1120px;margin:0 auto;gap:16px;}
  .brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.05rem;white-space:nowrap;text-decoration:none;cursor:pointer;}
  .brand-mark{width:34px;height:34px;border-radius:50%;background:var(--ink);position:relative;flex:none;}
  .brand-mark::before,.brand-mark::after{content:"";position:absolute;background:var(--sand);}
  .brand-mark::before{width:14px;height:2px;top:14px;left:10px;}
  .brand-mark::after{width:2px;height:14px;top:10px;left:16px;}
  nav.links{display:flex;gap:22px;font-size:.92rem;font-weight:500;}
  nav.links a{text-decoration:none;color:var(--ink-70);transition:color .15s;}
  nav.links a:hover{color:var(--ink);}
  .menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;flex:none;}
  .menu-toggle svg{display:block;}
  @media(max-width:820px){
    nav.links{
      position:fixed;top:69px;left:0;right:0;z-index:60;
      background:var(--paper);border-bottom:1px solid var(--line);
      flex-direction:column;gap:0;
      max-height:0;overflow:hidden;transition:max-height .25s ease;
    }
    nav.links.open{max-height:400px;}
    nav.links a{padding:16px 24px;border-bottom:1px solid var(--line);}
    .menu-toggle{display:block;}
    .search-box.open{max-width:150px;}
  }
  .nav-actions{display:flex;align-items:center;gap:10px;}
  .icon-btn{
    width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
    background:none;display:flex;align-items:center;justify-content:center;cursor:pointer;
    color:var(--ink);flex:none;
  }
  .icon-btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible{
    outline:2px solid var(--aegean); outline-offset:2px;
  }
  .search-box{
    display:flex;align-items:center;gap:6px;
    max-width:0;overflow:hidden;transition:max-width .25s ease;
  }
  .search-box.open{max-width:220px;}
  .search-box input{
    width:200px;border:1px solid var(--line);border-radius:20px;padding:8px 14px;
    font-family:inherit;font-size:.9rem;background:var(--paper);color:var(--ink);
  }
  .cta-btn{
    background:var(--clay);color:#fff;border:none;border-radius:24px;
    padding:10px 20px;font-family:inherit;font-weight:600;font-size:.9rem;
    text-decoration:none;display:inline-flex;align-items:center;gap:8px;cursor:pointer;
    white-space:nowrap;
  }

  /* hero - real photo behind sliding glass-door panes */
  .hero{
    position:relative;overflow:hidden;min-height:78vh;display:flex;align-items:flex-end;
    background-image:url('cambalkon-foto.jpg');background-size:contain;background-repeat:no-repeat;background-position:center center;background-color:var(--ink);
  }
  .hero::before{
    content:"";position:absolute;inset:0;z-index:1;
    background:linear-gradient(180deg,rgba(20,26,33,.18) 0%,rgba(20,26,33,.32) 55%,rgba(20,26,33,.68) 100%);
  }
  .hero-video{
    position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
  }
  .pane-track{position:absolute;inset:0;display:flex;z-index:1;}
  .pane{
    flex:1;position:relative;overflow:hidden;
    background:linear-gradient(160deg,rgba(220,232,238,.5),rgba(150,175,190,.38));
    backdrop-filter:blur(1px);
    animation:slideOpen 1s cubic-bezier(.65,0,.35,1) both;
  }
  .pane:nth-child(1){animation-delay:.05s;}
  .pane:nth-child(2){animation-delay:.15s;}
  .pane:nth-child(3){animation-delay:.25s;}
  .pane:nth-child(4){animation-delay:.35s;}
  .pane:nth-child(5){animation-delay:.45s;}
  .pane:nth-child(6){animation-delay:.55s;}
  .pane::after{
    content:"";position:absolute;right:0;top:0;bottom:0;width:2px;
    background:rgba(255,255,255,.35);
  }
  @keyframes slideOpen{
    from{clip-path:inset(0 0 0 0%);}
    to{clip-path:inset(0 0 0 100%);}
  }
  .hero-content{
    position:relative;z-index:2;padding:64px 24px 56px;max-width:1120px;margin:0 auto;width:100%;
  }
  .eyebrow{
    color:#fff;font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
    background:rgba(28,37,48,.35);display:inline-block;padding:6px 14px;border-radius:20px;margin-bottom:18px;
  }
  .hero h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.6rem);max-width:820px;text-shadow:0 2px 20px rgba(0,0,0,.15);}
  .hero p.lead{color:rgba(255,255,255,.92);font-size:1.05rem;max-width:560px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
  .btn-outline{
    border:1.5px solid rgba(255,255,255,.75);color:#fff;border-radius:24px;padding:10px 20px;
    text-decoration:none;font-weight:600;font-size:.92rem;display:inline-flex;align-items:center;gap:8px;
  }
  .btn-solid-wa{
    background:#25D366;color:#fff;border-radius:24px;padding:10px 20px;text-decoration:none;
    font-weight:600;font-size:.92rem;display:inline-flex;align-items:center;gap:8px;
  }

  /* sections */
  section{padding:76px 0;}
  .section-head{max-width:640px;margin:0 auto 44px;text-align:center;}
  .kicker{
    color:var(--aegean-dk);font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
    display:block;margin-bottom:10px;
  }
  .section-head h2{font-size:clamp(1.6rem,3vw,2.2rem);}

  /* services grid */
  .services{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;}
  .service{background:var(--paper);padding:32px 26px;}
  .service .num{font-family:'Fraunces',serif;font-style:italic;color:var(--aegean);font-size:1.6rem;display:block;margin-bottom:10px;}
  .service h3{font-size:1.15rem;margin-bottom:8px;}
  .service p{font-size:.94rem;margin-bottom:0;}

  /* districts - sliding track, mirrors the sürme (sliding) product */
  .districts-wrap{background:var(--ink);color:var(--sand);}
  .districts-wrap .section-head h2, .districts-wrap .section-head p{color:var(--sand);}
  .districts-wrap .kicker{color:#9fc4d8;}
  /* about / text */
  .about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start;}
  @media(max-width:820px){.about-grid{grid-template-columns:1fr;}}
  .stat-row{display:flex;gap:28px;margin-top:20px;flex-wrap:wrap;}
  .stat{border-left:2px solid var(--clay);padding-left:14px;}
  .stat b{font-family:'Fraunces',serif;font-size:1.6rem;display:block;}
  .stat span{font-size:.82rem;color:var(--ink-70);}
  .glass-card{
    background:linear-gradient(160deg,#eaf1f5,#dfe9ee);
    border:1px solid var(--line);border-radius:20px;padding:30px;
  }
  .glass-card ul{margin:0;padding-left:18px;}
  .glass-card li{margin-bottom:10px;color:var(--ink-70);}

  /* gallery */
  .tab-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:36px;}
  .tab-btn{
    border:1px solid var(--line);background:var(--paper);color:var(--ink-70);
    border-radius:20px;padding:9px 18px;font-family:inherit;font-size:.88rem;font-weight:600;
    cursor:pointer;transition:all .15s;
  }
  .tab-btn.active{background:var(--ink);color:var(--sand);border-color:var(--ink);}
  .tab-panel{display:none;}
  .tab-panel.active{display:block;}
  .gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
  .gallery-item{
    position:relative;aspect-ratio:4/3;border-radius:14px;overflow:hidden;
    background:linear-gradient(160deg,#eaf1f5,#dfe9ee);border:1px solid var(--line);
  }
  .gallery-item img{width:100%;height:100%;object-fit:cover;display:block;}
  .gallery-item.no-img img{display:none;}
  .ph-label{
    display:none;position:absolute;inset:0;align-items:center;justify-content:center;
    text-align:center;padding:14px;font-size:.72rem;line-height:1.5;color:var(--ink-70);
    font-family:monospace;
  }
  .gallery-item.no-img .ph-label{display:flex;}

  /* fiyat hesaplama */
  .calc-tab-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:28px;}
  .calc-tab-btn{
    border:1px solid var(--line);background:var(--paper);color:var(--ink-70);
    border-radius:20px;padding:10px 20px;font-family:inherit;font-size:.92rem;font-weight:600;
    cursor:pointer;transition:all .15s;
  }
  .calc-tab-btn.active{background:var(--aegean);color:#fff;border-color:var(--aegean);}
  .calc-panel{display:none;}
  .calc-panel.active{display:block;}
  .calc-card{
    max-width:640px;margin:0 auto;background:var(--sand);border:1px solid var(--line);
    border-radius:20px;padding:32px;
  }
  .calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-bottom:22px;}
  .calc-grid label{display:flex;flex-direction:column;gap:6px;font-size:.86rem;font-weight:600;color:var(--ink);}
  .calc-grid input{
    font-family:inherit;font-size:1rem;padding:10px 14px;border-radius:10px;
    border:1px solid var(--line);background:var(--paper);color:var(--ink);
  }
  .calc-hesapla-btn{border:none;width:100%;justify-content:center;font-size:.96rem;padding:12px 20px;}
  .calc-result{
    margin-top:22px;display:flex;flex-wrap:wrap;gap:24px;background:var(--paper);
    border-radius:14px;padding:18px 22px;border:1px dashed var(--aegean);
  }
  .calc-result span{font-size:.88rem;color:var(--ink-70);display:flex;flex-direction:column;gap:2px;}
  .calc-result b{font-family:'Fraunces',serif;font-size:1.4rem;color:var(--ink);}
  .calc-note{max-width:640px;margin:22px auto 0;text-align:center;font-size:.8rem;}

  /* bölge seçici - tek sekmede açılan liste */
  .district-select{max-width:420px;margin:0 auto 34px;}
  .district-dd{position:relative;}
  .district-dd-btn{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.05);color:var(--sand);
    border-radius:20px;padding:12px 20px;transition:all .15s;
  }
  .district-dd-btn::-webkit-details-marker{display:none;}
  .district-dd-btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);}
  .district-dd-btn:focus-visible{outline:2px solid #9fc4d8;outline-offset:3px;}
  .dd-label{
    display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
    color:#9fc4d8;font-weight:600;margin-bottom:3px;
  }
  .dd-current{font-family:'Fraunces',serif;font-size:1.08rem;font-weight:600;}
  .dd-caret{flex:none;font-size:.8rem;color:#9fc4d8;transition:transform .18s;}
  .district-dd[open] .dd-caret{transform:rotate(180deg);}
  .dd-list{
    position:absolute;left:0;right:0;top:calc(100% + 8px);z-index:30;
    background:#24303d;border:1px solid rgba(255,255,255,.2);border-radius:18px;
    padding:6px;max-height:340px;overflow-y:auto;box-shadow:0 18px 44px rgba(0,0,0,.4);
  }
  .dd-opt{
    display:block;width:100%;text-align:left;border:none;background:transparent;
    color:rgba(237,230,214,.82);font-family:inherit;font-size:.94rem;font-weight:600;
    padding:11px 14px;border-radius:12px;cursor:pointer;transition:background .12s,color .12s;
  }
  .dd-opt span{display:block;font-weight:500;font-size:.78rem;color:rgba(237,230,214,.55);margin-top:3px;}
  .dd-opt:hover{background:rgba(255,255,255,.08);color:var(--sand);}
  .dd-opt:focus-visible{outline:2px solid #9fc4d8;outline-offset:-2px;}
  .dd-opt[aria-selected="true"]{background:var(--sand);color:var(--ink);}
  .dd-opt[aria-selected="true"] span{color:rgba(28,37,48,.62);}
  .district-detail-list{max-width:880px;margin:0 auto;scroll-margin-top:90px;}
  .district-panel{display:none;}
  .district-panel.active{display:block;animation:panelIn .25s ease both;}
  @keyframes panelIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
  @media(prefers-reduced-motion:reduce){.district-panel.active{animation:none;}}
  .district-meta{
    color:#9fc4d8;font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
    display:block;margin-bottom:10px;
  }
  .district-panel h3{
    font-family:'Fraunces',serif;font-size:1.24rem;font-weight:600;
    color:var(--sand);margin:0;
  }
  .district-panel p{margin-top:14px;color:rgba(237,230,214,.72);font-size:.94rem;line-height:1.75;}
  .district-panel p + p{margin-top:12px;}

  /* faq */
  .faq-item{border-bottom:1px solid var(--line);padding:20px 0;}
  .faq-item summary{cursor:pointer;font-weight:600;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center;}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{content:"+";font-size:1.4rem;color:var(--aegean);transform:translateY(-2px);}
  .faq-item[open] summary::after{content:"–";}
  .faq-item p{margin-top:12px;}

  /* contact */
  .contact-wrap{background:var(--sand);border-radius:24px;padding:48px;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;}
  @media(max-width:820px){.contact-wrap{grid-template-columns:1fr;padding:32px 24px;}}
  .contact-list{list-style:none;margin:0;padding:0;}
  .contact-list li{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start;}
  .contact-list b{display:block;font-size:.95rem;}
  .contact-list span{font-size:.9rem;color:var(--ink-70);}
  .dot{width:8px;height:8px;border-radius:50%;background:var(--clay);margin-top:8px;flex:none;}

  footer{padding:36px 0;border-top:1px solid var(--line);}
  .footer-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;color:var(--ink-70);}

  /* floating whatsapp */
  .wa-float{
    position:fixed;bottom:22px;right:22px;z-index:60;
    background:#25D366;color:#fff;width:58px;height:58px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.22);
    text-decoration:none;
  }
  .wa-float svg{width:28px;height:28px;}

  /* floating instagram - diagonally opposite the whatsapp button */
  .ig-float{
    position:fixed;bottom:22px;left:22px;z-index:60;
    background:radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%,#d6249f 60%,#285AEB 90%);
    color:#fff;width:58px;height:58px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.22);
    text-decoration:none;
  }
  .ig-float svg{width:28px;height:28px;}

  mark.hit{background:#ffe9b3;padding:0 2px;border-radius:3px;}

  /* alt sayfalar */
  .subhero{background:var(--ink);color:var(--sand);padding:56px 0 56px;}
  .subhero .wrap{max-width:880px;}
  .subhero .kicker{color:#9fc4d8;}
  .subhero h1{font-size:clamp(1.7rem,3.4vw,2.4rem);line-height:1.25;margin:0 0 16px;}
  .subhero p{color:rgba(237,230,214,.78);max-width:640px;margin:0 0 26px;}
  .crumbs{font-size:.82rem;color:rgba(237,230,214,.6);margin-bottom:18px;}
  .crumbs a{color:#9fc4d8;text-decoration:none;}
  .crumbs a:hover{text-decoration:underline;}
  .prose{max-width:760px;margin:0 auto;}
  .prose p{color:var(--ink-70);font-size:1rem;line-height:1.8;margin-bottom:16px;}
  .area-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:8px;}
  .area-links a{
    border:1px solid var(--line);background:var(--paper);color:var(--ink-70);
    border-radius:20px;padding:9px 18px;font-size:.88rem;font-weight:600;text-decoration:none;transition:all .15s;
  }
  .area-links a:hover{background:var(--ink);color:var(--sand);border-color:var(--ink);}
  .panel-more{
    display:inline-block;margin-top:18px;color:#9fc4d8;font-weight:600;font-size:.92rem;
    text-decoration:none;border-bottom:1px solid rgba(159,196,216,.45);padding-bottom:2px;
  }
  .panel-more:hover{color:var(--sand);border-color:var(--sand);}
  .cta-band{background:var(--sand);text-align:center;}
  .cta-band h2{margin-bottom:12px;}
  .cta-band .btn-outline{border-color:var(--ink);color:var(--ink);}
  .cta-band p{max-width:520px;margin:0 auto 24px;}
  .cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

  footer .area-links{margin-bottom:22px;}

  .service-more{display:inline-block;margin-top:14px;color:var(--aegean);font-weight:600;font-size:.9rem;text-decoration:none;border-bottom:1px solid rgba(60,110,143,.4);padding-bottom:2px;}
  .service-more:hover{color:var(--ink);border-color:var(--ink);}
  .prose .faq-item summary{font-size:1rem;}

  /* footer link sütunları */
  .footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;padding-bottom:26px;}
  .footer-nav div{display:flex;flex-direction:column;}
  .footer-nav-title{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--aegean-dk);font-weight:600;margin-bottom:8px;}
  .footer-nav a{color:var(--ink-70);font-size:.82rem;line-height:1.9;text-decoration:none;}
  .footer-nav a:hover{color:var(--ink);text-decoration:underline;}