/* ============================================================
   SİDİNG YAPI — "Nötr Şantiye"
   Rengi ürün taşır, arayüz taşımaz: nötr soğuk gri + tek mavi vurgu
   ============================================================ */
:root{
  --bg:#eef1f4; --bg-2:#e5e9ee; --surface:#fff;
  --ink:#14181d; --ink-2:#4a535e; --ink-3:#7d8794;
  --line:#d5dbe1; --line-2:#e6eaee;
  --accent:#1f6f8b; --accent-d:#17566d; --accent-sk:rgba(31,111,139,.12);
  --radius:2px;
  --wrap:1240px;
  --ff-head:"Bricolage Grotesque",system-ui,sans-serif;
  --ff-body:"Manrope",system-ui,sans-serif;
  --ff-mono:"JetBrains Mono",ui-monospace,monospace;
  --shadow:0 1px 2px rgba(20,24,29,.04), 0 10px 26px -16px rgba(20,24,29,.28);
  --shadow-h:0 2px 6px rgba(20,24,29,.07), 0 22px 44px -20px rgba(20,24,29,.4);
  /* cephe aracı — PHP/JS yazar */
  --siding-base:#d5cab8; --siding-light:#e4dbcb; --siding-dark:#c0b5a2; --shade-k:1; --grain-op:.5;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--ff-body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
  /* imza doku: yatay lama çizgileri */
  background-image:repeating-linear-gradient(180deg, rgba(20,24,29,.035) 0 1px, transparent 1px 14px);
}
img{max-width:100%;height:auto;display:block;width:auto}
picture{display:contents}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--ff-head);font-weight:600;line-height:1.15;letter-spacing:-.015em;margin:0}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;z-index:200;background:var(--ink);color:#fff;padding:10px 16px}
.center{text-align:center}

/* ---- Tipografik yardımcılar ---- */
.kicker{display:inline-flex;align-items:center;gap:9px;margin:0 0 12px;
  font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.kicker::before{content:"";width:22px;height:1px;background:var(--accent)}
.page-title{font-size:clamp(1.9rem,4vw,2.8rem)}
.sec-title{font-size:clamp(1.4rem,2.6vw,1.9rem)}
.page-lead,.sec-lead{color:var(--ink-2);max-width:62ch;margin:14px 0 0}
.page-narrow{max-width:760px}
.group-h{display:flex;align-items:baseline;gap:10px;margin:44px 0 16px;
  font-family:var(--ff-head);font-weight:600;font-size:1.1rem}
.group-h span{font-family:var(--ff-mono);font-size:.78rem;color:var(--ink-3)}
.group-lead{margin:-8px 0 16px;color:var(--ink-2);font-size:.92rem}
.spec-note,.art-note{font-family:var(--ff-mono);font-size:.72rem;color:var(--ink-3);margin:10px 0 0}
.note-box{margin:34px 0 0;padding:12px 16px;border-left:2px solid var(--accent);background:var(--accent-sk);
  font-size:.86rem;color:var(--ink-2)}

/* ---- Butonlar ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--ff-head);font-weight:600;font-size:.92rem;padding:13px 22px;border-radius:var(--radius);
  border:1px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s,transform .12s}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-d);transform:translateY(-1px)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-full{display:flex;width:100%;margin-top:10px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ============ Header ============ */
.head{position:sticky;top:0;z-index:100;background:var(--surface)}
.head-top{background:var(--ink);color:#c3ccd6}
.head-top-in{display:flex;align-items:center;justify-content:space-between;height:34px;
  font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.03em}
.ht-item{display:inline-flex;align-items:center;gap:6px;color:#c3ccd6}
.ht-item:hover{color:#fff}
.ht-right{display:flex;gap:18px}
.head-main{border-bottom:1px solid var(--line);background:var(--surface)}
.head-in{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand-mark{color:var(--accent);flex:none}
.brand-txt{font-family:var(--ff-head);font-weight:700;font-size:1.12rem;letter-spacing:-.02em}
.brand-txt b{color:var(--accent);font-weight:700}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{font-family:var(--ff-head);font-weight:600;font-size:.86rem;color:var(--ink-2);padding:10px 11px;
  position:relative;transition:color .15s}
.nav a::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .18s}
.nav a:hover,.nav a.on{color:var(--ink)}
.nav a:hover::after,.nav a.on::after{transform:scaleX(1)}
.head-cta{font-family:var(--ff-head);font-weight:600;font-size:.86rem;background:var(--accent);color:#fff;
  padding:10px 16px;border-radius:var(--radius);white-space:nowrap}
.head-cta:hover{background:var(--accent-d)}
.burger{display:none;flex-direction:column;gap:4px;background:transparent;border:0;cursor:pointer;padding:8px;margin-left:auto}
.burger span{width:22px;height:2px;background:var(--ink);transition:.2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mnav{display:none;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);
  max-height:calc(100vh - 104px);overflow-y:auto}
.mnav a{padding:14px 24px;border-top:1px solid var(--line-2);font-family:var(--ff-head);font-weight:600;font-size:.92rem}
.mnav a:hover{background:var(--bg-2);color:var(--accent)}
.mnav-foot{display:flex;flex-direction:column;gap:2px;padding:14px 24px 20px;border-top:1px solid var(--line-2);
  font-family:var(--ff-mono);font-size:.8rem}
.mnav-foot a{padding:2px 0;border:0;color:var(--ink-2)}

/* ============ Breadcrumb ============ */
.crumb{background:var(--surface);border-bottom:1px solid var(--line);font-size:.8rem;color:var(--ink-3)}
.crumb .wrap{display:flex;align-items:center;gap:8px;height:42px;overflow-x:auto;white-space:nowrap}
.crumb a:hover{color:var(--accent)}
.crumb-sep{color:var(--line)}

/* ============ Bölüm ============ */
.sec{padding:64px 0;position:relative}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.sec-link{display:inline-flex;align-items:center;gap:7px;font-family:var(--ff-head);font-weight:600;font-size:.86rem;
  color:var(--accent);white-space:nowrap;margin-top:14px}
.sec-link:hover{color:var(--accent-d);gap:10px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.two-col-tight{margin-top:56px;gap:36px}
.col-art{display:flex;flex-direction:column;align-items:center}
.col-art-box{background:var(--surface);border:1px solid var(--line);padding:26px;border-radius:var(--radius)}

/* ============ Hero ============ */
.hero{background:var(--surface);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;padding-block:64px 56px}
h1{font-size:clamp(2rem,4.4vw,3.1rem)}
.hl{color:var(--accent)}
.hero-lead{color:var(--ink-2);margin:20px 0 0;max-width:54ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;gap:32px;list-style:none;margin:36px 0 0;padding:26px 0 0;border-top:1px solid var(--line)}
.hero-facts li{display:flex;flex-direction:column}
.hero-facts b{font-family:var(--ff-mono);font-size:1.25rem;font-weight:500;color:var(--ink)}
.hero-facts span{font-size:.78rem;color:var(--ink-3)}
.hero-art{display:flex;justify-content:center;color:var(--ink-2)}
.hero-strip{display:flex;height:8px}
.hero-strip span{flex:1}

/* ============ Renk kartları ============ */
.color-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.color-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:border-color .15s,transform .12s,box-shadow .15s}
.color-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow)}
.cc-chip{display:block;height:74px;position:relative;
  background:linear-gradient(180deg,var(--l) 0%,var(--b) 45%,var(--d) 100%)}
.cc-chip::after{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(180deg, rgba(255,255,255,.16) 0 1px, transparent 1px 2px, rgba(0,0,0,.10) 20px 22px)}
.cc-grain::before{content:"";position:absolute;inset:0;opacity:.35;
  background:repeating-linear-gradient(92deg, rgba(0,0,0,.10) 0 1px, transparent 1px 5px)}
.cc-name{display:block;padding:9px 11px 2px;font-family:var(--ff-head);font-weight:600;font-size:.88rem}
.cc-hex{display:block;padding:0 11px 10px;font-family:var(--ff-mono);font-size:.68rem;color:var(--ink-3)}

/* ============ Cephe aracı ============ */
.tool{display:grid;grid-template-columns:1fr 340px;gap:26px;margin-top:30px;align-items:start}
.stage{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.facade{display:block;width:100%;height:auto;transition:none}
.stage-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;
  border-top:1px solid var(--line);background:#fafbfc}
.now{font-family:var(--ff-mono);font-size:.76rem;color:var(--ink-2);margin:0}
.now b{color:var(--ink);font-weight:500}
.zoom-btn{font-family:var(--ff-head);font-weight:600;font-size:.78rem;border:1px solid var(--line);background:#fff;
  color:var(--ink);padding:7px 12px;border-radius:var(--radius);cursor:pointer}
.zoom-btn[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.card + .card{margin-top:14px}
.card-h{display:flex;justify-content:space-between;margin:0 0 12px;
  font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3)}
.swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.sw{display:block;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
  transition:border-color .15s,transform .12s,box-shadow .15s}
.sw:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.sw[aria-checked="true"]{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-sk)}
.sw-chip{display:block;height:38px;position:relative}
.sw-chip::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.35),transparent 45%,rgba(0,0,0,.14))}
.sw-name{display:block;font-size:.68rem;line-height:1.25;padding:5px 6px 6px;color:var(--ink-2);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sw[aria-checked="true"] .sw-name{color:var(--ink);font-weight:600}
.segs{display:flex;gap:6px}
.seg{flex:1;text-align:center;font-family:var(--ff-head);font-weight:600;font-size:.76rem;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);padding:9px 6px;border-radius:var(--radius);transition:.15s}
.seg[aria-checked="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.seg-note{margin:12px 0 0;font-size:.8rem;color:var(--ink-3);line-height:1.5}
.spec-dl{display:grid;grid-template-columns:auto 1fr;gap:7px 14px;margin:0;font-size:.84rem}
.spec-dl dt{color:var(--ink-3)}
.spec-dl dd{margin:0;font-family:var(--ff-mono);font-size:.8rem;text-align:right}
.spec-dl-lg{font-size:.92rem;gap:10px 20px;margin-top:20px}
.warn{display:flex;gap:9px;margin:16px 0 0;padding:11px 13px;background:#fff8ec;border:1px solid #f0dcb8;
  border-radius:var(--radius);font-size:.78rem;line-height:1.5;color:#6b5322}
.warn svg{flex:none;margin-top:2px;color:#b98a2b}
.warn-block{margin-top:34px;max-width:720px}

/* ============ Teknik değerler ============ */
.spec-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.spec-col{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.spec-grp{margin:0 0 14px;font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:var(--accent)}
.tech-art{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.tech-art-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  display:flex;flex-direction:column;align-items:center;color:var(--ink-2)}

/* ============ Motifler ============ */
.motif{width:100%;height:auto;color:var(--ink-2)}
.mtxt{font-family:var(--ff-mono);font-size:9px;fill:currentColor;opacity:.8}
.motif-hero{max-width:460px}
.motif-wide{max-width:440px}
.motif-card{height:96px;width:auto;max-width:100%;margin-bottom:16px;color:var(--accent)}
.motif-aks{height:74px;width:auto;color:var(--ink-2)}
.motif-detail{height:180px;width:auto;color:var(--accent)}
.motif-step{height:88px;width:auto;margin:12px 0;color:var(--accent)}
.motif-band{width:100%;max-width:520px;margin:40px auto 0;color:var(--ink-3);opacity:.5}
.motif-deco{opacity:.5}

/* ============ Kartlar (ne yapıyoruz) ============ */
.what-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.what-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  display:flex;flex-direction:column;transition:border-color .15s,transform .12s,box-shadow .15s}
.what-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow)}
.what-card h3{font-size:1.05rem;margin-bottom:8px}
.what-card p{margin:0;font-size:.88rem;color:var(--ink-2)}

/* ============ Neden ============ */
.sec-why{background:var(--surface);border-block:1px solid var(--line)}
.why-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.why-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
.why-list li{position:relative;padding-left:22px;color:var(--ink-2);font-size:.94rem}
.why-list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--accent);
  clip-path:polygon(0 0,100% 50%,0 100%)}
.why-list b{color:var(--ink)}
.why-art{display:flex;justify-content:center;color:var(--ink-2)}

/* ============ Aksesuar / ürün ızgaraları ============ */
.aks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.aks-grid-lg{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.aks-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;
  transition:border-color .15s,transform .12s,box-shadow .15s}
.aks-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow)}
.aks-card:hover .motif{color:var(--accent)}
.aks-name{font-family:var(--ff-head);font-weight:600;font-size:.92rem}
.aks-desc{font-size:.82rem;color:var(--ink-2);line-height:1.5}

.vgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.vcard{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.vc-img{width:100%;height:auto;background:#fff}
.vcard figcaption{padding:10px 12px 12px;display:flex;flex-direction:column;gap:2px}
.vc-name{font-family:var(--ff-head);font-weight:600;font-size:.9rem}
.vc-pat{font-family:var(--ff-mono);font-size:.7rem;color:var(--accent)}
.vc-note{font-size:.74rem;color:var(--ink-3)}

.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.pcard{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.pc-img{width:100%;height:auto}
.pcard figcaption{padding:11px 13px}
.pc-name{font-family:var(--ff-head);font-weight:600;font-size:.92rem}

.sgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.scard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column}
.sc-img{width:100%;height:auto}
.sc-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.sc-name{font-size:1.02rem}
.sc-desc{margin:0;font-size:.86rem;color:var(--ink-2);flex:1}
.sc-link{display:inline-flex;align-items:center;gap:6px;font-family:var(--ff-head);font-weight:600;font-size:.84rem;color:var(--accent)}
.sc-link:hover{gap:9px}

.ggrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.gcard{margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.g-img{width:100%;height:auto;transition:transform .3s}
.gcard:hover .g-img{transform:scale(1.03)}

.doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:26px}
.doc-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  display:flex;flex-direction:column;gap:6px;color:var(--ink);transition:border-color .15s,transform .12s}
.doc-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.doc-card svg{color:var(--accent);margin-bottom:6px}
.doc-name{font-family:var(--ff-head);font-weight:600}
.doc-meta{font-family:var(--ff-mono);font-size:.72rem;color:var(--ink-3)}

/* ============ Montaj adımları ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative}
.step-n{font-family:var(--ff-mono);font-size:.72rem;color:var(--accent)}
.step-h{font-size:1rem;margin-top:4px}
.step-p{margin:6px 0 0;font-size:.86rem;color:var(--ink-2)}

/* ============ Fotoğraf / içerik ============ */
.photo{width:100%;height:auto;border:1px solid var(--line);background:#fff;border-radius:var(--radius)}
.col-photo{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.rich{color:var(--ink-2);line-height:1.75}
.rich h2{font-size:1.25rem;color:var(--ink);margin:28px 0 10px}
.rich p{margin:0 0 14px}
.rich ul{margin:0 0 16px;padding-left:20px}
.rich li{margin-bottom:7px}
.rich strong{color:var(--ink)}

/* ============ İletişim ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:34px;margin-top:30px;align-items:start}
.contact-info{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.cinfo{display:grid;grid-template-columns:auto 1fr;gap:12px 20px;margin:0}
.cinfo dt{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);padding-top:3px}
.cinfo dd{margin:0;color:var(--ink)}
.cinfo a:hover{color:var(--accent)}
.contact-map{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.contact-map iframe{display:block;width:100%;height:420px}

/* ============ Kanallar ============ */
.sec-channels{background:var(--ink);color:#fff}
.sec-channels .kicker{color:#7fc3dc}
.sec-channels .kicker::before{background:#7fc3dc}
.sec-channels .sec-title{color:#fff}
.sec-channels .sec-lead{color:#aab4bf}
.ch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.ch-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
  padding:22px;display:flex;flex-direction:column;gap:4px;transition:.15s}
.ch-card:hover{background:rgba(255,255,255,.09);border-color:var(--accent);transform:translateY(-2px)}
.ch-card svg{color:#7fc3dc;margin-bottom:8px}
.ch-k{font-family:var(--ff-head);font-weight:600;font-size:.94rem;color:#fff}
.ch-v{font-family:var(--ff-mono);font-size:.84rem;color:#c3ccd6}
.ch-v2{font-family:var(--ff-mono);font-size:.84rem;color:#8f9aa6}

/* ============ Footer ============ */
.foot{background:var(--surface);border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px;padding:52px 24px 42px}
.foot-col{display:flex;flex-direction:column;gap:8px}
.foot-col a{font-size:.9rem;color:var(--ink-2)}
.foot-col a:hover{color:var(--accent)}
.foot-h{font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);margin:0 0 6px}
.foot-lead{font-size:.88rem;color:var(--ink-2);margin:12px 0 0;max-width:40ch}
.foot-addr,.foot-fax{margin:0;font-size:.9rem;color:var(--ink-2)}
.foot-social{display:flex;gap:10px;margin-top:16px}
.foot-social a{display:flex;align-items:center;justify-content:center;width:34px;height:34px;
  border:1px solid var(--line);border-radius:var(--radius);color:var(--ink-2)}
.foot-social a:hover{border-color:var(--accent);color:var(--accent)}
.foot-bottom{border-top:1px solid var(--line);background:var(--bg)}
.foot-bottom-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:16px;
  font-size:.78rem;color:var(--ink-3)}
.foot-seo{text-align:right}

/* ============ Responsive ============ */
@media(max-width:1080px){
  .tool{grid-template-columns:1fr}
  .swatches{grid-template-columns:repeat(7,1fr)}
  .what-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .nav,.head-cta{display:none}
  .burger{display:flex}
  .mnav[data-open]{display:flex}
  .hero-in,.two-col,.why-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .spec-cols,.tech-art{grid-template-columns:1fr}
  .ch-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .sec{padding:48px 0}
  .foot-bottom-in{flex-direction:column;align-items:flex-start}
  .foot-seo{text-align:left}
}
@media(max-width:640px){
  .swatches{grid-template-columns:repeat(4,1fr)}
  .steps,.what-grid{grid-template-columns:1fr}
  .hero-facts{gap:20px}
  .color-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}
  .head-top .ht-right .ht-item:last-child{display:none}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ============ Ana sayfa slider ============ */
.hero-slider{position:relative;background:var(--ink);overflow:hidden}
.slides{position:absolute;inset:0}
.slide{position:absolute;inset:0;margin:0;opacity:0;transition:opacity .8s ease}
.slide.on{opacity:1}
.slide-img{width:100%;height:100%;object-fit:cover}
.slide-shade{position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(10,13,16,.82) 0%, rgba(10,13,16,.55) 40%, rgba(10,13,16,.12) 72%, rgba(10,13,16,.05) 100%)}
.slider-txt{position:relative;padding-block:96px 104px;color:#fff;max-width:var(--wrap)}
.slider-txt h1{color:#fff;max-width:16ch}
.slider-txt .hero-lead{color:#d3dae1;max-width:52ch}
.kicker-light{color:#7fc3dc}
.kicker-light::before{background:#7fc3dc}
.btn-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-light:hover{background:rgba(255,255,255,.18);border-color:#fff}
.slider-dots{position:absolute;left:0;right:0;bottom:18px;display:flex;justify-content:center;gap:7px;z-index:2}
.dot{width:7px;height:7px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:.2s}
.dot.on{background:#fff;width:22px;border-radius:4px}

.sec-facts{padding:26px 0;background:var(--surface);border-bottom:1px solid var(--line)}
.fact-strip{display:flex;gap:44px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.fact-strip li{display:flex;flex-direction:column}
.fact-strip b{font-family:var(--ff-mono);font-size:1.2rem;font-weight:500}
.fact-strip span{font-size:.78rem;color:var(--ink-3)}

/* ============ Açılır menü ============ */
.nav-item{position:relative}
.nav-top{display:inline-flex;align-items:center;gap:5px;font-family:var(--ff-head);font-weight:600;font-size:.86rem;
  color:var(--ink-2);padding:10px 11px;position:relative;transition:color .15s}
.nav-top::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .18s}
.nav-top:hover,.nav-top.on{color:var(--ink)}
.nav-top:hover::after,.nav-top.on::after{transform:scaleX(1)}
.chev{opacity:.5;transition:transform .2s}
.nav-item.is-open .chev{transform:rotate(180deg);opacity:1;color:var(--accent)}
.drop{position:absolute;top:100%;left:0;min-width:250px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-h);padding:8px;z-index:20;
  opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity .16s,transform .16s}
.nav-item.is-open .drop{opacity:1;transform:translateY(0);pointer-events:auto}
.drop a{display:flex;flex-direction:column;gap:2px;padding:9px 11px;border-radius:var(--radius);transition:background .13s}
.drop a:hover{background:var(--bg-2)}
.drop a b{font-family:var(--ff-head);font-weight:600;font-size:.88rem;color:var(--ink)}
.drop a span{font-size:.76rem;color:var(--ink-3)}
.drop a:hover b{color:var(--accent)}

.mnav-group{border-top:1px solid var(--line-2)}
.mnav-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:14px 24px;
  font-family:var(--ff-head);font-weight:600;font-size:.92rem;background:transparent;border:0;cursor:pointer;text-align:left;color:var(--ink)}
.mnav-toggle[aria-expanded="true"]{color:var(--accent)}
.mnav-toggle[aria-expanded="true"] svg{transform:rotate(180deg)}
.mnav-sub{background:var(--bg);padding:4px 0 10px}
.mnav-sub a{padding:10px 24px 10px 38px;border:0;font-weight:500;font-size:.88rem;color:var(--ink-2)}

/* ============ Ürün bilgileri: panel satırları ============ */
.panel-list{display:grid;gap:16px;margin-top:34px}
.panel-row{display:grid;grid-template-columns:220px 1fr 280px;gap:26px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.pn-img{width:100%;height:auto;background:#fff}
.pn-kesit{width:100%;height:auto;background:#fff}
.pn-tip{margin:0;font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.pn-ad{font-size:1.25rem;margin:4px 0 6px}
.pn-olcu{margin:0 0 10px;font-family:var(--ff-mono);font-size:.86rem;color:var(--ink)}
.pn-desc{margin:0;font-size:.9rem;color:var(--ink-2)}
.panel-kesit{text-align:center}
.pc-olcu{display:block;font-family:var(--ff-mono);font-size:.72rem;color:var(--ink-3);margin-top:3px}

/* ============ Uygulama şemaları ============ */
.sema-list{display:grid;gap:18px;margin-top:30px}
.sema{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:grid;grid-template-columns:1.5fr 1fr;gap:0;align-items:center}
.sema-img{width:100%;height:auto;background:#fff}
.sema figcaption{padding:24px;display:flex;flex-direction:column;gap:8px;border-left:1px solid var(--line)}
.sema-h{font-family:var(--ff-head);font-weight:600;font-size:1.1rem}
.sema-p{font-size:.9rem;color:var(--ink-2);line-height:1.6}

/* ============ PDF kutusu ============ */
.docbox{margin-top:36px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.docbox-h{margin:0 0 12px;font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3)}
.docbox-list{display:flex;flex-wrap:wrap;gap:10px}
.docbox-item{display:flex;align-items:center;gap:9px;padding:11px 15px;border:1px solid var(--line);
  border-radius:var(--radius);transition:border-color .15s,background .15s}
.docbox-item:hover{border-color:var(--accent);background:var(--accent-sk)}
.docbox-item svg{color:var(--accent)}
.db-name{font-family:var(--ff-head);font-weight:600;font-size:.88rem}
.db-meta{font-family:var(--ff-mono);font-size:.72rem;color:var(--ink-3)}

/* ============ Galeri bölümleri (ana galeri) ============ */
.gal-sec + .gal-sec{margin-top:40px}

@media(max-width:1080px){
  .panel-row{grid-template-columns:160px 1fr;gap:20px}
  .panel-kesit{grid-column:1 / -1}
  .pn-kesit{max-width:420px;margin-inline:auto}
}
@media(max-width:900px){
  .sema{grid-template-columns:1fr}
  .sema figcaption{border-left:0;border-top:1px solid var(--line)}
  .slider-txt{padding-block:64px 76px}
  .slide-shade{background:linear-gradient(180deg, rgba(10,13,16,.55), rgba(10,13,16,.85))}
  .fact-strip{gap:26px}
}
@media(max-width:640px){
  .panel-row{grid-template-columns:1fr}
  .panel-foto{max-width:220px}
}

.sema-media{background:#fff;display:flex;align-items:center;justify-content:center}
.sema-media .sema-img{width:100%;height:auto}

/* ---- Orijinal logo + CTA hizası ---- */
.head-cta{display:inline-flex;align-items:center;justify-content:center;gap:7px;line-height:1}
.head-cta svg{flex:none;display:block}

/* ---- Marka (orijinal logo + yazı) ---- */
.brand{display:inline-flex;align-items:center;gap:11px;flex:none}
.brand-logo{height:56px;width:56px;object-fit:contain;flex:none}
.head-in{height:84px}
.head.is-tight .head-in{height:70px}
.foot-brand-link{display:inline-flex;align-items:center;gap:11px;align-self:flex-start;color:var(--ink)}
.foot-logo{height:64px;width:64px;object-fit:contain;flex:none}

/* ---- Lightbox ---- */
.zoomable{cursor:zoom-in}
.lb{position:fixed;inset:0;z-index:300;background:rgba(10,13,16,.94);display:flex;align-items:center;justify-content:center;
  padding:56px 64px;opacity:0;visibility:hidden;transition:opacity .18s ease}
.lb[data-open]{opacity:1;visibility:visible}
.lb-img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;background:#fff;border-radius:var(--radius);
  box-shadow:0 30px 80px -30px rgba(0,0,0,.8)}
.lb-cap{position:absolute;left:0;right:0;bottom:16px;text-align:center;color:#c3ccd6;font-size:.84rem;padding-inline:64px}
.lb-count{font-family:var(--ff-mono);font-size:.74rem;color:#8f9aa6;margin-left:10px}
.lb-btn{position:absolute;display:flex;align-items:center;justify-content:center;width:44px;height:44px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:var(--radius);cursor:pointer;
  transition:background .15s,border-color .15s}
.lb-btn:hover{background:rgba(255,255,255,.16);border-color:#fff}
.lb-close{top:16px;right:16px}
.lb-prev{left:14px;top:50%;transform:translateY(-50%)}
.lb-next{right:14px;top:50%;transform:translateY(-50%)}
@media(max-width:640px){
  .lb{padding:56px 12px}
  .lb-prev{left:6px} .lb-next{right:6px}
  .lb-cap{padding-inline:12px;font-size:.78rem}
}

/* ---- Mobil alt menü: linkler alt alta (inline kalıyordu, yan yana akıyordu) ---- */
.mnav-sub{display:flex;flex-direction:column}
.mnav-sub a{display:flex;align-items:center;width:100%;padding:12px 24px 12px 40px;position:relative;
  border-top:1px solid var(--line-2)}
.mnav-sub a::before{content:"";position:absolute;left:24px;top:50%;width:6px;height:1px;background:var(--ink-3)}
.mnav-sub a:first-child{border-top:0}
.mnav-sub a:hover,.mnav-sub a:active{background:var(--surface);color:var(--accent)}

/* ---- Slider okları (masaüstü + mobil) ---- */
.slider-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  display:flex;align-items:center;justify-content:center;width:46px;height:46px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:var(--radius);
  cursor:pointer;transition:background .15s,border-color .15s}
.slider-nav:hover{background:rgba(255,255,255,.24);border-color:#fff}
.slider-prev{left:20px}
.slider-next{right:20px}
.slides{touch-action:pan-y}
@media(max-width:900px){
  .slider-nav{width:38px;height:38px}
  .slider-prev{left:8px} .slider-next{right:8px}
}

/* Mobil: CTA gizli kalmalı (sonradan eklenen .head-cta kuralı media query'yi eziyordu) */
@media(max-width:900px){
  .nav,.head-cta{display:none}
  .burger{display:flex}
  .head-in{height:70px}
  .brand-logo{height:46px;width:46px}
  .brand-txt{font-size:1rem}
}

/* [hidden] her zaman kazanmalı: class kuralları UA'nın [hidden]{display:none} kuralını eziyordu
   (mobil alt menü açık geliyordu / kapanmıyordu) */
.mnav-sub[hidden],.drop[hidden],.mnav[hidden]{display:none}

/* Mobil: slider okları metnin üstüne binmesin → alt köşelere */
@media(max-width:900px){
  .slider-nav{top:auto;bottom:12px;transform:none;width:36px;height:36px}
  .slider-prev{left:12px}
  .slider-next{right:12px}
  .slider-dots{bottom:22px}
}