/* ============================================================
   ÇENGELKÖY EBRAR METAL — Industrial / Steel theme
   Mobile-first · custom design
   ============================================================ */

:root{
  --steel-900:#0E1116;
  --steel-850:#11151C;
  --steel-800:#161B23;
  --steel-700:#1C232D;
  --steel-600:#283140;
  --line:#2A323D;

  --silver:#E8EBF0;
  --silver-mut:#9BA6B2;
  --silver-dim:#6E7884;

  --green:#22C55E;
  --green-600:#16A34A;
  --green-glow:rgba(34,197,94,.35);
  --wa:#25D366;

  --copper:#D98A4B;
  --copper-600:#B86A2E;
  --copper-glow:rgba(217,138,75,.3);

  --radius:16px;
  --radius-sm:11px;
  --maxw:1180px;
  --ease:cubic-bezier(.2,.7,.3,1);

  --font-display:'Archivo',system-ui,sans-serif;
  --font-body:'Barlow',system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--steel-900);
  color:var(--silver);
  line-height:1.6;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

.text-green{color:var(--green)}
.text-copper{color:var(--copper)}

.skip-link{position:absolute;left:-999px;top:0;background:var(--green);color:#04130a;
  padding:10px 16px;border-radius:0 0 8px 0;z-index:999;font-weight:700}
.skip-link:focus{left:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-display);font-weight:700;font-size:15px;
  padding:14px 22px;border-radius:var(--radius-sm);border:0;cursor:pointer;
  letter-spacing:.2px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
  line-height:1;
}
.btn svg{flex:none}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-whatsapp{background:linear-gradient(135deg,#2bd96f,#16A34A);color:#04130a;
  box-shadow:0 10px 26px -8px var(--green-glow)}
.btn-whatsapp:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px var(--green-glow)}
.btn-green{background:linear-gradient(135deg,var(--green),var(--green-600));color:#04130a;
  box-shadow:0 10px 26px -10px var(--green-glow)}
.btn-green:hover{transform:translateY(-2px)}
.btn-outline{background:rgba(255,255,255,.04);color:var(--silver);
  border:1px solid var(--line);backdrop-filter:blur(6px)}
.btn-outline:hover{border-color:var(--copper);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}

.kicker{
  display:inline-block;font-family:var(--font-display);font-weight:700;
  font-size:12.5px;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--copper);margin-bottom:14px;
  padding-left:34px;position:relative;
}
.kicker::before{content:"";position:absolute;left:0;top:50%;width:24px;height:2px;
  background:linear-gradient(90deg,var(--copper),transparent);transform:translateY(-50%)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(14,17,22,.72);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;height:66px}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.brand-logo{border-radius:9px;object-fit:cover;
  box-shadow:0 0 0 1px var(--line),0 6px 16px -8px rgba(0,0,0,.7)}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-family:var(--font-display);font-weight:900;font-size:19px;
  letter-spacing:.5px;color:var(--silver)}
.brand-accent{color:var(--copper)}
.brand-text small{font-size:10.5px;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--silver-dim);font-weight:600}

.nav{display:none}
.header-call{display:none}

.nav-toggle{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:11px;cursor:pointer;padding:0 11px;
}
.nav-toggle span{height:2px;background:var(--silver);border-radius:2px;transition:.3s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile nav dropdown */
.nav.open{
  display:flex;flex-direction:column;
  position:absolute;top:66px;left:0;right:0;
  background:var(--steel-850);border-bottom:1px solid var(--line);
  padding:10px 20px 18px;gap:2px;
  animation:slideDown .3s var(--ease);
}
.nav.open a{padding:13px 6px;font-family:var(--font-display);font-weight:600;
  font-size:16px;border-bottom:1px solid rgba(42,50,61,.6);color:var(--silver-mut)}
.nav.open a:hover{color:var(--copper)}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;
  padding:54px 0 70px;isolation:isolate}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(120% 90% at 80% -10%,rgba(217,138,75,.14),transparent 55%),
    radial-gradient(90% 80% at 10% 110%,rgba(34,197,94,.12),transparent 55%),
    linear-gradient(180deg,var(--steel-850),var(--steel-900));
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:54px 54px;opacity:.13;
  mask-image:radial-gradient(80% 70% at 50% 30%,#000 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(80% 70% at 50% 30%,#000 30%,transparent 80%);
}
.hero-grain{position:absolute;inset:0;z-index:-1;opacity:.05;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

.hero-inner{position:relative;text-align:center;max-width:760px}

/* Hero fotoğrafı */
.hero-photo{
  position:relative;margin:0 auto 26px;max-width:560px;
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 30px 60px -28px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.05);
  animation:photoIn .8s var(--ease) both;
}
.hero-photo::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgba(14,17,22,.55));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
}
.hero-photo img{width:100%;height:auto;display:block}
.hero-photo figcaption{
  position:absolute;left:12px;bottom:12px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-display);font-weight:600;font-size:12.5px;letter-spacing:.3px;
  color:#fff;background:rgba(14,17,22,.6);backdrop-filter:blur(8px);
  border:1px solid var(--line);padding:7px 13px;border-radius:30px;
}
@keyframes photoIn{from{opacity:0;transform:translateY(18px) scale(.96)}to{opacity:1;transform:none}}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-display);font-weight:600;font-size:12.5px;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--silver-mut);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  padding:8px 16px;border-radius:30px;margin:0 0 22px;
}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 0 var(--green-glow);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 var(--green-glow)}70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}

.hero-title{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(2.5rem,9vw,4.7rem);line-height:1.02;letter-spacing:-1.5px;
  margin:0 0 20px;color:#fff;
  text-shadow:0 2px 30px rgba(0,0,0,.4);
}
.hero-sub{font-size:clamp(1rem,2.6vw,1.18rem);color:var(--silver-mut);
  max-width:600px;margin:0 auto 30px}
.hero-sub strong{color:var(--silver)}

.hero-cta{display:flex;flex-direction:column;gap:12px;margin-bottom:34px}
.hero-cta .btn{width:100%}

.hero-trust{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:440px;
  margin:0 auto}
.hero-trust li{font-size:13px;color:var(--silver-mut);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  padding:12px 10px;border-radius:12px}
.hero-trust strong{display:block;font-family:var(--font-display);color:var(--copper);
  font-size:15px;font-weight:800;margin-bottom:1px}

.hero-scroll{display:none}

/* ---------- Sections ---------- */
.section{padding:64px 0}
.section-alt{background:
  linear-gradient(180deg,var(--steel-900),var(--steel-850) 40%,var(--steel-900));
  border-block:1px solid var(--line)}
.section-head{max-width:620px;margin:0 0 38px}
.section-title{font-family:var(--font-display);font-weight:800;
  font-size:clamp(1.7rem,5.4vw,2.6rem);line-height:1.1;letter-spacing:-.8px;
  margin:0 0 14px;color:#fff}
.section-lead{color:var(--silver-mut);font-size:1.04rem;margin:0}

/* ---------- Services ---------- */
.services-grid{display:grid;grid-template-columns:1fr;gap:16px}
.service-card{
  position:relative;background:linear-gradient(180deg,var(--steel-800),var(--steel-850));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;
  overflow:hidden;transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;
}
.service-card::before{content:"";position:absolute;inset:0;
  background:radial-gradient(120% 80% at 100% 0,var(--copper-glow),transparent 60%);
  opacity:0;transition:opacity .4s}
.service-card:hover{transform:translateY(-4px);border-color:var(--copper-600);
  box-shadow:0 22px 44px -24px rgba(0,0,0,.85)}
.service-card:hover::before{opacity:.6}
.service-icon{position:relative;width:54px;height:54px;border-radius:14px;
  display:grid;place-items:center;margin-bottom:18px;color:var(--copper);
  background:rgba(217,138,75,.1);border:1px solid rgba(217,138,75,.25)}
.service-card h3{font-family:var(--font-display);font-weight:700;font-size:1.22rem;
  margin:0 0 9px;color:#fff;position:relative}
.service-card p{margin:0 0 16px;color:var(--silver-mut);font-size:.97rem;position:relative}
.service-tag{position:relative;display:inline-block;font-size:12px;font-weight:600;
  letter-spacing:.5px;color:var(--copper);background:rgba(217,138,75,.08);
  border:1px solid rgba(217,138,75,.2);padding:5px 12px;border-radius:30px}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:16px;counter-reset:step}
.step{position:relative;background:var(--steel-800);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px;padding-left:26px}
.step-num{font-family:var(--font-display);font-weight:900;font-size:2.4rem;
  line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--green-600);
  display:block;margin-bottom:12px;opacity:.85}
.step h3{font-family:var(--font-display);font-weight:700;font-size:1.1rem;margin:0 0 7px;color:#fff}
.step p{margin:0;color:var(--silver-mut);font-size:.95rem}

/* ---------- Why ---------- */
.why-grid{display:grid;grid-template-columns:1fr;gap:34px}
.why-list{margin:24px 0 28px;display:grid;gap:12px}
.why-list li{display:flex;align-items:flex-start;gap:12px;color:var(--silver);
  font-size:1.02rem}
.check{flex:none;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
  background:rgba(34,197,94,.13);color:var(--green);border:1px solid rgba(34,197,94,.3);
  font-weight:800;font-size:13px;margin-top:2px}
.why-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.stat{background:linear-gradient(180deg,var(--steel-800),var(--steel-850));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 18px;text-align:center}
.stat strong{display:block;font-family:var(--font-display);font-weight:900;
  font-size:1.7rem;color:var(--copper);letter-spacing:-.5px}
.stat span{font-size:.85rem;color:var(--silver-mut);letter-spacing:.3px}

/* ---------- Eco banner ---------- */
.eco-banner{background:
  linear-gradient(120deg,rgba(34,197,94,.14),rgba(14,17,22,0) 60%),var(--steel-850);
  border-block:1px solid var(--line);padding:34px 0}
.eco-inner{display:flex;align-items:center;gap:20px}
.eco-icon{flex:none;width:72px;height:72px;border-radius:18px;display:grid;place-items:center;
  color:var(--green);background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.28)}
.eco-inner p{margin:0;font-size:1.08rem;color:var(--silver-mut)}
.eco-inner strong{color:var(--green)}

/* ---------- Gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.gallery-item{position:relative;margin:0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--steel-800)}
.gallery-item img{width:100%;height:100%;object-fit:cover;aspect-ratio:1/1;
  transition:transform .5s var(--ease);filter:saturate(1.05)}
.gallery-item:hover img{transform:scale(1.06)}
.gallery-item figcaption{position:absolute;left:0;right:0;bottom:0;
  font-family:var(--font-display);font-weight:600;font-size:.86rem;color:#fff;
  padding:24px 14px 12px;background:linear-gradient(transparent,rgba(8,10,14,.9))}
.gallery-lg{grid-column:span 2}
.gallery-lg img{aspect-ratio:16/10}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:34px}
.contact-list{margin-top:26px;display:grid;gap:14px}
.contact-list li{display:flex;align-items:center;gap:14px}
.ci{flex:none;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(217,138,75,.1);color:var(--copper);border:1px solid rgba(217,138,75,.25)}
.contact-list small{display:block;font-size:11px;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--silver-dim);font-weight:600;margin-bottom:1px}
.contact-list a,.contact-list span{font-family:var(--font-display);font-weight:600;
  font-size:1.05rem;color:var(--silver)}
.contact-list a:hover{color:var(--copper)}

.contact-form{background:linear-gradient(180deg,var(--steel-800),var(--steel-850));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px}
.contact-form h3{font-family:var(--font-display);font-weight:800;font-size:1.35rem;
  margin:0 0 5px;color:#fff}
.form-hint{margin:0 0 20px;color:var(--silver-mut);font-size:.92rem}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.4px;
  color:var(--silver-mut);margin-bottom:6px;text-transform:uppercase}
.field input,.field select,.field textarea{
  width:100%;background:var(--steel-900);border:1px solid var(--line);
  border-radius:11px;padding:13px 14px;color:var(--silver);font-family:var(--font-body);
  font-size:15px;transition:border-color .25s,box-shadow .25s}
.field textarea{resize:vertical;min-height:74px}
.field input::placeholder,.field textarea::placeholder{color:var(--silver-dim)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;
  border-color:var(--green);box-shadow:0 0 0 3px rgba(34,197,94,.15)}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.form-status{margin:14px 0 0;font-size:.92rem;font-weight:600;min-height:1px}
.form-status.ok{color:var(--green)}
.form-status.err{color:#ff7676}

.map-wrap{margin-top:34px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);height:300px}
.map-wrap iframe{width:100%;height:100%;border:0;filter:grayscale(.3) invert(.92) hue-rotate(180deg) contrast(.9)}

/* ---------- Footer ---------- */
.site-footer{background:var(--steel-850);border-top:1px solid var(--line);
  padding:44px 0 96px}
.footer-inner{display:grid;gap:20px;text-align:center}
.footer-brand{display:flex;align-items:center;justify-content:center;gap:12px}
.footer-brand img{border-radius:9px}
.footer-brand strong{display:block;font-family:var(--font-display);font-weight:900;
  font-size:15px;letter-spacing:.5px}
.footer-brand small{color:var(--silver-dim);font-size:11px;letter-spacing:1px;text-transform:uppercase}
.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px}
.footer-nav a{font-family:var(--font-display);font-weight:600;font-size:14px;
  color:var(--silver-mut)}
.footer-nav a:hover{color:var(--copper)}
.footer-services{font-size:.85rem;color:var(--silver-dim);max-width:560px;margin:0 auto;line-height:1.7}
.footer-copy{font-size:.82rem;color:var(--silver-dim);margin:0}

/* ---------- Floating WhatsApp ---------- */
.fab-whatsapp{
  position:fixed;right:16px;bottom:84px;z-index:90;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,#2bd96f,#16A34A);
  box-shadow:0 12px 30px -8px var(--green-glow),0 4px 12px rgba(0,0,0,.4);
  transition:transform .3s var(--ease);
}
.fab-whatsapp:hover{transform:scale(1.08) rotate(-4deg)}
.fab-pulse{position:absolute;inset:0;border-radius:50%;
  border:2px solid var(--wa);animation:fabpulse 2.4s ease-out infinite;pointer-events:none}
@keyframes fabpulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.7);opacity:0}}

/* ---------- Mobile bottom bar ---------- */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:95;
  display:grid;grid-template-columns:1fr 1fr;
  background:rgba(14,17,22,.92);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.mobile-bar a{display:flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 8px;font-family:var(--font-display);font-weight:700;font-size:14.5px}
.mobile-bar-call{color:var(--silver);border-right:1px solid var(--line)}
.mobile-bar-wa{color:var(--wa)}

/* ============================================================
   RESPONSIVE — tablet & desktop
   ============================================================ */
@media (min-width:600px){
  .hero-cta{flex-direction:row;justify-content:center}
  .hero-cta .btn{width:auto}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .gallery-lg{grid-column:span 2;grid-row:span 2}
  .gallery-lg img{aspect-ratio:auto;height:100%}
}

@media (min-width:900px){
  .container{padding:0 32px}
  .nav{display:flex;gap:30px;margin-right:26px}
  .nav a{font-family:var(--font-display);font-weight:600;font-size:15px;
    color:var(--silver-mut);position:relative;padding:4px 0}
  .nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
    background:var(--copper);transition:width .3s var(--ease)}
  .nav a:hover{color:#fff}
  .nav a:hover::after{width:100%}
  .header-call{display:inline-flex;align-items:center;gap:9px;
    font-family:var(--font-display);font-weight:700;font-size:14.5px;color:var(--silver);
    background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);
    padding:10px 16px;border-radius:11px;transition:.25s}
  .header-call:hover{background:rgba(34,197,94,.2);color:#fff}
  .header-call svg{color:var(--green)}
  .nav-toggle{display:none}

  .hero{padding:90px 0 100px;min-height:88vh;display:flex;align-items:center}
  .hero-inner{margin:0 auto}
  .hero-trust{grid-template-columns:repeat(4,1fr);max-width:700px}
  .hero-scroll{display:block;position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
    width:26px;height:42px;border:2px solid var(--line);border-radius:14px}
  .hero-scroll span{position:absolute;left:50%;top:8px;width:4px;height:8px;border-radius:3px;
    background:var(--copper);transform:translateX(-50%);animation:scroll 1.8s infinite}
  @keyframes scroll{0%{opacity:0;top:8px}40%{opacity:1}80%{opacity:0;top:22px}100%{opacity:0}}

  .section{padding:96px 0}
  .services-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .steps{grid-template-columns:repeat(4,1fr)}
  .why-grid{grid-template-columns:1.1fr .9fr;align-items:center;gap:56px}
  .contact-grid{grid-template-columns:1fr 1fr;gap:48px;align-items:start}
  .map-wrap{height:360px}

  .fab-whatsapp{right:26px;bottom:26px;width:62px;height:62px}
  .mobile-bar{display:none}
  .site-footer{padding-bottom:50px}
  .footer-inner{grid-template-columns:1fr;justify-items:center}
}

@media (min-width:1100px){
  .hero-title{font-size:5rem}
}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important;transition:none!important}
}