/* ===========================================================
   İSTANBUL DEKORASYON TADİLAT — DESIGN TOKENS
   Palet: antrasit + sıva/alçı bejine yakın kırık beyaz + amber vurgu
   + çelik mavisi (su/izolasyon güveni). Sinyal eleman: "katman" çizgileri
   (boya/sıva/alçı/izolasyon katmanlarını temsil eden yatay şeritler)
   =========================================================== */
:root{
  --ink:#1C1B19;          /* antrasit metin/zemin */
  --ink-soft:#3A3835;
  --plaster:#EFEAE2;      /* sıva bej - açık zemin */
  --plaster-deep:#E3DCCF;
  --paper:#FBF9F5;
  --amber:#C9882C;        /* alçı/ahşap sarısı - vurgu */
  --amber-deep:#A66A1C;
  --steel:#37576A;        /* çelik mavisi - güven/izolasyon */
  --steel-soft:#5C7C8C;
  --line:#D9D2C3;
  --success:#2F7A4F;
  --danger:#B23A33;
  --radius:10px;
  --radius-lg:18px;
  --shadow:0 10px 30px -12px rgba(28,27,25,.35);
  --font-display:"Oswald","Arial Narrow",sans-serif;
  --font-body:"Inter","Segoe UI",Arial,sans-serif;
  --maxw:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);
  background:var(--paper);line-height:1.6;font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.02em;line-height:1.15;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2.1rem,4.5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:72px 0}
.section--tight{padding:40px 0}
.section--alt{background:var(--plaster)}
.section--ink{background:var(--ink);color:#fff}
.section--ink h1,.section--ink h2,.section--ink h3{color:#fff}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-display);text-transform:uppercase;letter-spacing:.14em;
  font-size:.78rem;color:var(--amber-deep);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber)}

/* Katman motifi — sinyal eleman */
.layers{display:flex;height:6px;width:100%;}
.layers span{flex:1}
.layers .l1{background:var(--amber)}
.layers .l2{background:var(--steel)}
.layers .l3{background:var(--ink)}
.layers .l4{background:var(--plaster-deep)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;
  font-size:.92rem;padding:14px 26px;border-radius:6px;border:2px solid transparent;
  cursor:pointer;transition:transform .15s ease,background .2s ease,color .2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--amber{background:var(--amber);color:var(--ink)}
.btn--amber:hover{background:var(--amber-deep);color:#fff}
.btn--outline{border-color:#fff;color:#fff}
.btn--outline:hover{background:#fff;color:var(--ink)}
.btn--ink{background:var(--ink);color:#fff}
.btn--ink:hover{background:var(--steel)}
.btn--sm{padding:9px 16px;font-size:.78rem}
.btn--danger{background:var(--danger);color:#fff}
.btn--block{width:100%}

/* HEADER */
header.site{
  position:sticky;top:0;z-index:50;background:rgba(251,249,245,.96);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--line);
}
.topbar{background:var(--ink);color:#cfc8b8;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding:7px 22px;flex-wrap:wrap;gap:6px}
.topbar a{color:#fff}
.navwrap{display:flex;align-items:center;justify-content:space-between;padding:14px 22px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);text-transform:uppercase;font-size:1.25rem;letter-spacing:.03em}
.brand .mark{width:38px;height:38px;border-radius:8px;background:var(--ink);color:var(--amber);display:flex;align-items:center;justify-content:center;font-weight:700}
nav.mainnav{display:flex;gap:26px;align-items:center}
nav.mainnav a{font-size:.92rem;font-weight:600;position:relative;padding:6px 0}
nav.mainnav a:hover{color:var(--amber-deep)}
.navcta{display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer}

/* HERO */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero .container{position:relative;z-index:2;padding:90px 22px 70px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero-bg{position:absolute;inset:0;opacity:.18;background:
  repeating-linear-gradient(135deg, transparent 0 38px, var(--steel-soft) 38px 39px),
  repeating-linear-gradient(45deg, transparent 0 38px, var(--amber) 38px 39px);}
.hero h1{margin-bottom:.4em}
.hero .lead{font-size:1.1rem;color:#e8e3d8;max-width:520px}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-stats{display:flex;gap:28px;margin-top:40px;flex-wrap:wrap}
.hero-stats div b{display:block;font-family:var(--font-display);font-size:1.7rem;color:var(--amber)}
.hero-stats div span{font-size:.82rem;color:#cfc8b8}
.hero-card{background:#fff;color:var(--ink);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.hero-card h3{margin-bottom:6px}
.hero-card .field{margin-bottom:12px}

/* FORMS */
label{display:block;font-size:.82rem;font-weight:600;margin-bottom:5px;color:var(--ink-soft)}
input,select,textarea{
  width:100%;padding:11px 12px;border:1.5px solid var(--line);border-radius:6px;
  font-family:var(--font-body);font-size:.95rem;background:#fff;color:var(--ink);
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--steel);outline-offset:1px;border-color:var(--steel)}
textarea{resize:vertical}

/* CARDS */
.grid{display:grid;gap:24px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .card-body{padding:22px;flex:1;display:flex;flex-direction:column}
.card .icon{
  width:48px;height:48px;border-radius:10px;background:var(--plaster);
  display:flex;align-items:center;justify-content:center;color:var(--amber-deep);margin-bottom:14px;font-size:1.4rem;
}
.card h3{font-size:1.05rem;margin-bottom:8px}
.card p{color:var(--ink-soft);font-size:.92rem;flex:1}
.card .more{margin-top:14px;font-weight:700;color:var(--steel);font-size:.85rem;display:inline-flex;align-items:center;gap:5px}

.chip{
  display:inline-flex;align-items:center;padding:7px 14px;border-radius:30px;
  border:1.5px solid var(--line);font-size:.85rem;font-weight:600;background:#fff;
}
.chip:hover{border-color:var(--steel);color:var(--steel)}
.chipwrap{display:flex;flex-wrap:wrap;gap:10px}

/* PROCESS */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.process .step{padding:24px 18px;border:1px dashed var(--line);border-radius:var(--radius-lg);position:relative}
.process .num{font-family:var(--font-display);font-size:2.4rem;color:var(--plaster-deep);position:absolute;top:10px;right:16px}

/* CTA strip */
.cta-strip{background:var(--steel);color:#fff;padding:46px 0;border-radius:var(--radius-lg)}
.cta-strip .container{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}

/* FOOTER */
footer.site{background:var(--ink);color:#cfc8b8;padding:56px 0 24px;font-size:.92rem}
footer.site h4{color:#fff;font-size:1rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}
footer.site a:hover{color:var(--amber)}
.footgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footgrid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.footbottom{border-top:1px solid #3a3835;margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.82rem;color:#9a9381}

/* BREADCRUMB */
.breadcrumb{font-size:.85rem;color:var(--ink-soft);margin-bottom:18px}
.breadcrumb a{color:var(--steel)}

/* DETAIL CONTENT (blog/hizmet) */
.prose h2{font-family:var(--font-display);font-size:1.5rem;margin-top:1.4em}
.prose h3{margin-top:1.2em}
.prose ul{padding-left:1.2em}
.prose img{border-radius:var(--radius);margin:1em 0}
.prose a{color:var(--steel);text-decoration:underline}

.sidebar-box{background:var(--plaster);border-radius:var(--radius-lg);padding:22px;margin-bottom:20px}
.sidebar-box h4{font-family:var(--font-display);text-transform:uppercase;font-size:.95rem;margin-bottom:14px}
.sidebar-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.sidebar-list a{display:flex;justify-content:space-between;font-size:.9rem;font-weight:600}
.sidebar-list a:hover{color:var(--amber-deep)}

/* ALERTS */
.alert{padding:14px 16px;border-radius:8px;margin-bottom:14px;font-size:.92rem;border:1px solid transparent}
.alert-success{background:#e7f4ec;color:#1f5c39;border-color:#bfe3cb}
.alert-danger{background:#fbe9e7;color:#8a2a23;border-color:#f1c3bd}
.alert-info{background:#e8eef2;color:#234a5c;border-color:#c4d6df}
.alert-warning{background:#fbf1de;color:#7a5613;border-color:#f0dba9}

/* RESPONSIVE */
@media (max-width:980px){
  .hero .container{grid-template-columns:1fr}
  .grid--3,.grid--4,.grid--2{grid-template-columns:1fr 1fr}
  .footgrid{grid-template-columns:1fr 1fr}
  .process{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  nav.mainnav{display:none}
  .burger{display:block}
  .grid--3,.grid--4,.grid--2{grid-template-columns:1fr}
  .footgrid{grid-template-columns:1fr}
  .process{grid-template-columns:1fr}
  .hero .container{padding:50px 18px}
  .section{padding:48px 0}
}

@media (prefers-reduced-motion: reduce){
  *{transition:none!important;animation:none!important}
}

:focus-visible{outline:3px solid var(--amber);outline-offset:2px}

/* Trust row */
.trust-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:.85rem;color:#d8d2c4}
.trust-row span{display:inline-flex;align-items:center;gap:6px}

/* Region head */
.region-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}

/* FAQ accordion */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;
  background:none;border:0;text-align:left;padding:18px 20px;cursor:pointer;
  font-family:var(--font-display);font-size:1rem;text-transform:none;letter-spacing:0;color:var(--ink);
}
.faq-toggle{font-size:1.3rem;color:var(--amber-deep);line-height:1;flex-shrink:0;transition:transform .2s ease}
.faq-item.open .faq-toggle{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 20px}
.faq-item.open .faq-a{max-height:300px;padding-bottom:18px}
.faq-a p{color:var(--ink-soft);margin:0;font-size:.94rem}

@media (max-width:680px){
  .region-head{flex-direction:column;align-items:flex-start}
}

.mobile-nav{display:none;flex-direction:column;gap:4px;background:#fff;border-top:1px solid var(--line);padding:14px 22px}
.mobile-nav.open{display:flex}
.mobile-nav a{padding:10px 0;border-bottom:1px solid var(--line);font-weight:600}