/* =========================================================
   MG İNŞAAT — Premium Siyah + Altın Kurumsal Tema
   Signature: mimari "blueprint" cetvel çizgileri + köşe
   işaretleri (teknik çizim referansı)
   ========================================================= */

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  scroll-behavior:smooth;
}

:root{

  --black:#0a0a0b;
  --charcoal:#141416;
  --charcoal-2:#1c1c1f;
  --charcoal-3:#242427;

  --gold:#c9a227;
  --gold-light:#e7c860;
  --gold-dim:rgba(201,162,39,.16);

  --text:#eae7dd;
  --muted:#9c988c;
  --line:rgba(201,162,39,.18);

  --font-head:'Oswald',sans-serif;
  --font-body:'Poppins',sans-serif;

  --radius:14px;
  --ease:cubic-bezier(.22,.61,.36,1);

}

html{background:var(--black);}

body{
  font-family:var(--font-body);
  background:var(--black);
  color:var(--text);
  overflow-x:hidden;
}

h1,h2,h3,h4{
  font-family:var(--font-head);
  text-transform:uppercase;
  letter-spacing:.02em;
  font-weight:600;
  color:#fff;
}

a{color:inherit;}

img{display:block;max-width:100%;}

.container{
  width:min(1240px,92%);
  margin:auto;
}

/* ---------- eyebrow / labels ---------- */

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-head);
  font-size:13px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:14px;
}

.eyebrow::before{
  content:"";
  width:26px;
  height:1px;
  background:var(--gold);
  display:inline-block;
}

/* ---------- reveal on scroll ---------- */

.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.reveal.visible{
  opacity:1;
  transform:none;
}

/* ---------- preloader ---------- */

#preloader{
  position:fixed;
  inset:0;
  z-index:9999;
  background:var(--black);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:opacity .6s ease,visibility .6s ease;
}
#preloader.hide{opacity:0;visibility:hidden;}
.preloader-mark img{
  height:70px;
  animation:pulseFade 1.4s ease-in-out infinite;
}
@keyframes pulseFade{
  0%,100%{opacity:.4;transform:scale(.96);}
  50%{opacity:1;transform:scale(1.02);}
}

/* ---------- header ---------- */

#site-header{
  position:fixed;
  top:0;left:0;width:100%;
  z-index:900;
  background:rgba(10,10,11,.55);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .35s ease,border-color .35s ease,padding .35s ease;
}
#site-header.scrolled{
  background:rgba(10,10,11,.85);
  border-bottom-color:var(--line);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 0;
}

.logo img{height:52px;transition:height .3s ease;}
#site-header.scrolled .logo img{height:42px;}

#main-nav{
  display:flex;
  gap:30px;
}
#main-nav a{
  text-decoration:none;
  font-size:14px;
  font-weight:500;
  letter-spacing:.03em;
  color:#f1efe8;
  position:relative;
  padding:6px 0;
}
#main-nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:1px;
  background:var(--gold);
  transition:width .3s var(--ease);
}
#main-nav a:hover::after{width:100%;}
#main-nav a:hover{color:var(--gold-light);}

.header-actions{
  display:flex;
  align-items:center;
  gap:8px;
}

.icon-btn{
  position:relative;
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.03);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:.3s ease;
}
.icon-btn:hover{
  border-color:var(--gold);
  background:var(--gold-dim);
}
.icon-btn svg{width:19px;height:19px;fill:#f1efe8;}
.icon-btn:hover svg{fill:var(--gold-light);}

#nav-toggle{display:none;}

#search-panel{
  max-height:0;
  overflow:hidden;
  background:rgba(10,10,11,.92);
  transition:max-height .35s var(--ease);
}
#search-panel.open{max-height:100px;}
#search-panel .container{padding:16px 0;}

#search{
  width:100%;
  padding:14px 18px;
  background:var(--charcoal-2);
  border:1px solid rgba(255,255,255,.1);
  border-radius:10px;
  color:var(--text);
  font-family:var(--font-body);
  font-size:15px;
}
#search:focus{outline:none;border-color:var(--gold);}
#search::placeholder{color:var(--muted);}

/* ---------- buttons ---------- */

.btn{
  display:inline-block;
  padding:16px 34px;
  border-radius:8px;
  font-weight:600;
  font-family:var(--font-head);
  letter-spacing:.05em;
  text-transform:uppercase;
  font-size:14px;
  text-decoration:none;
  transition:.3s var(--ease);
  cursor:pointer;
  border:1px solid transparent;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:#141414;
}
.btn-gold:hover{
  transform:translateY(-3px);
  box-shadow:0 18px 34px rgba(201,162,39,.28);
}
.btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.3);
}
.btn-ghost:hover{
  border-color:var(--gold);
  color:var(--gold-light);
  transform:translateY(-3px);
}

/* ---------- HERO ---------- */

#home{
  position:relative;
  height:100vh;
  min-height:640px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  overflow:hidden;
  background:
    radial-gradient(ellipse at 50% 20%,rgba(201,162,39,.10),transparent 60%),
    linear-gradient(180deg,rgba(10,10,11,.55),rgba(10,10,11,.92)),
    url("https://images.unsplash.com/photo-1541976590-713941681591?auto=format&fit=crop&w=1800&q=80");
  background-size:cover;
  background-position:center;
}

.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(201,162,39,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(201,162,39,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at center,black 20%,transparent 75%);
  animation:gridDrift 40s linear infinite;
}
@keyframes gridDrift{
  from{background-position:0 0,0 0;}
  to{background-position:64px 64px,-64px 64px;}
}

.hero-ticks{
  position:absolute;
  left:0;right:0;bottom:0;
  height:26px;
  background-image:repeating-linear-gradient(90deg,var(--gold) 0 1px,transparent 1px 22px);
  opacity:.35;
}

.overlay{
  position:relative;
  z-index:2;
  max-width:820px;
  padding:20px;
  color:#fff;
}

.overlay h1{
  font-size:clamp(38px,6vw,68px);
  line-height:1.08;
  margin:10px 0 22px;
}
.overlay h1 span{color:var(--gold-light);}

.overlay p{
  font-size:clamp(16px,2vw,20px);
  line-height:1.8;
  color:#d8d5cc;
  margin-bottom:38px;
  font-weight:300;
}

.hero-btns{
  display:flex;
  gap:18px;
  justify-content:center;
  flex-wrap:wrap;
}

.scroll-cue{
  position:absolute;
  bottom:34px;left:50%;
  transform:translateX(-50%);
  width:26px;height:42px;
  border:1px solid rgba(255,255,255,.4);
  border-radius:20px;
  z-index:2;
}
.scroll-cue span{
  position:absolute;
  top:8px;left:50%;
  width:4px;height:8px;
  background:var(--gold);
  border-radius:2px;
  transform:translateX(-50%);
  animation:scrollCue 1.8s ease infinite;
}
@keyframes scrollCue{
  0%{opacity:1;top:8px;}
  70%{opacity:0;top:22px;}
  100%{opacity:0;top:8px;}
}

/* ---------- ruler divider (signature) ---------- */

.ruler-divider{
  height:34px;
  background-image:repeating-linear-gradient(90deg,var(--gold) 0 1px,transparent 1px 40px);
  background-position:center;
  opacity:.5;
  position:relative;
}
.ruler-divider::after{
  content:"";
  position:absolute;
  left:0;right:0;top:50%;
  height:1px;
  background:rgba(255,255,255,.06);
}

/* ---------- sections generic ---------- */

section{padding:110px 0;}

.section-head{
  text-align:center;
  max-width:640px;
  margin:0 auto 50px;
}
.section-head h2{font-size:clamp(30px,4vw,42px);}
.section-sub{
  color:var(--muted);
  margin-top:14px;
  font-size:16px;
  line-height:1.7;
}

/* ---------- STATS ---------- */

#stats{
  background:var(--charcoal);
  padding:70px 0;
  border-top:1px solid rgba(255,255,255,.05);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  text-align:center;
}
.stat-num{
  font-family:var(--font-head);
  font-size:clamp(34px,5vw,52px);
  color:var(--gold-light);
  font-weight:600;
}
.stat-label{
  margin-top:8px;
  color:var(--muted);
  font-size:14px;
  letter-spacing:.04em;
  text-transform:uppercase;
}

/* ---------- CATEGORY BAR ---------- */

.category-bar{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
  margin-bottom:44px;
}
.category-bar button{
  padding:10px 22px;
  border-radius:30px;
  border:1px solid rgba(255,255,255,.14);
  background:transparent;
  color:var(--text);
  font-size:14px;
  cursor:pointer;
  transition:.25s ease;
}
.category-bar button:hover{
  border-color:var(--gold);
  color:var(--gold-light);
}
.category-bar button.active{
  background:var(--gold);
  border-color:var(--gold);
  color:#141414;
  font-weight:600;
}

/* ---------- PRODUCT GRID ---------- */

.product-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:28px;
}

.product{
  position:relative;
  background:var(--charcoal-2);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s ease;
}
.product::before,.product::after{
  content:"";
  position:absolute;
  width:16px;height:16px;
  border-color:var(--gold);
  opacity:0;
  transition:opacity .3s ease;
  z-index:2;
}
.product::before{
  top:10px;left:10px;
  border-top:2px solid var(--gold);
  border-left:2px solid var(--gold);
}
.product::after{
  bottom:10px;right:10px;
  border-bottom:2px solid var(--gold);
  border-right:2px solid var(--gold);
}
.product:hover::before,.product:hover::after{opacity:1;}
.product:hover{
  transform:translateY(-8px);
  border-color:var(--line);
  box-shadow:0 24px 50px rgba(0,0,0,.45);
}

.product .img-wrap{
  overflow:hidden;
  height:230px;
}
.product img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s var(--ease);
}
.product:hover img{transform:scale(1.08);}

.video-badge{
  position:absolute;
  top:12px;right:12px;
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.3);
  background:rgba(10,10,11,.55);
  backdrop-filter:blur(6px);
  color:#fff;
  font-size:13px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  z-index:2;
  transition:.25s ease;
}
.video-badge:hover{border-color:var(--gold);background:var(--gold);color:#141414;}

.product .info{padding:24px;}

.product h3{
  font-size:18px;
  text-transform:none;
  color:#fff;
  margin-bottom:8px;
  letter-spacing:0;
}

.product .desc{
  color:var(--muted);
  font-size:14px;
  line-height:1.6;
  min-height:44px;
  margin-bottom:18px;
  font-weight:300;
}

.product .price{
  font-family:var(--font-head);
  font-size:24px;
  color:var(--gold-light);
  margin-bottom:10px;
}

.product .stock{
  font-size:13px;
  color:var(--muted);
  margin-bottom:20px;
}
.product .stock.out{color:#e2604f;}

.product .buy{
  width:100%;
  padding:14px;
  border:1px solid var(--gold);
  border-radius:8px;
  background:transparent;
  color:var(--gold-light);
  font-weight:600;
  letter-spacing:.03em;
  cursor:pointer;
  transition:.3s ease;
  font-family:var(--font-body);
}
.product .buy:hover{
  background:var(--gold);
  color:#141414;
}
.product .buy:disabled{
  opacity:.35;
  cursor:not-allowed;
  border-color:rgba(255,255,255,.2);
  color:var(--muted);
}

.empty-msg{
  text-align:center;
  color:var(--muted);
  padding:40px 0;
}

/* ---------- BRANDS ---------- */

#brands{padding:60px 0;}
.brands-label{
  text-align:center;
  color:var(--muted);
  font-size:13px;
  letter-spacing:.15em;
  text-transform:uppercase;
  margin-bottom:30px;
}
.brands-track{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  justify-content:center;
  align-items:center;
}
.brands-track span{
  font-family:var(--font-head);
  font-size:18px;
  letter-spacing:.06em;
  color:rgba(255,255,255,.35);
  transition:.3s ease;
}
.brands-track span:hover{color:var(--gold-light);}

/* ---------- GALLERY ---------- */

.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:220px;
  gap:16px;
}
.gallery-item{
  position:relative;
  border-radius:10px;
  overflow:hidden;
  display:block;
  cursor:pointer;
}
.gallery-item.span-2{grid-column:span 2;}
.gallery-item img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s var(--ease),filter .4s ease;
  filter:grayscale(.15);
}
.gallery-item::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.75));
  opacity:0;
  transition:opacity .35s ease;
}
.gallery-item:hover::after{opacity:1;}
.gallery-item:hover img{transform:scale(1.1);filter:grayscale(0);}

.lightbox{
  position:fixed;inset:0;
  background:rgba(6,6,7,.95);
  z-index:1200;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  opacity:0;visibility:hidden;
  transition:.3s ease;
}
.lightbox.open{opacity:1;visibility:visible;}
.lightbox img,
.lightbox video{max-width:88vw;max-height:78vh;border-radius:10px;}
.lightbox p{margin-top:18px;color:var(--gold-light);font-family:var(--font-head);letter-spacing:.05em;}
.lightbox-close{
  position:absolute;top:24px;right:34px;
  background:none;border:none;
  color:#fff;font-size:38px;
  cursor:pointer;
  line-height:1;
}

/* ---------- TESTIMONIALS ---------- */

#testimonials{background:var(--charcoal);}
.testimonial-slider{
  max-width:760px;
  margin:auto;
  text-align:center;
  overflow:hidden;
}
.testimonial-track{
  display:flex;
  transition:transform .5s var(--ease);
}
.testimonial{
  min-width:100%;
  padding:0 20px;
}
.testimonial p{
  font-size:clamp(18px,2.4vw,24px);
  line-height:1.7;
  font-weight:300;
  color:#f1efe8;
  font-style:italic;
}
.t-author{
  margin-top:22px;
  color:var(--gold-light);
  font-family:var(--font-head);
  letter-spacing:.04em;
  font-size:14px;
  text-transform:uppercase;
}
.testimonial-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:22px;
  margin-top:38px;
}
.testimonial-nav button{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.15);
  background:transparent;
  color:#fff;
  cursor:pointer;
  transition:.25s ease;
}
.testimonial-nav button:hover{border-color:var(--gold);color:var(--gold-light);}
.testimonial-dots{display:flex;gap:10px;}
.testimonial-dots span{
  width:8px;height:8px;
  border-radius:50%;
  background:rgba(255,255,255,.2);
  cursor:pointer;
  transition:.25s ease;
}
.testimonial-dots span.active{background:var(--gold);width:22px;border-radius:5px;}

/* ---------- ABOUT ---------- */

#about{background:var(--black);}
.about-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:60px;
  align-items:center;
}
.about-text p{
  color:var(--muted);
  line-height:1.85;
  margin:20px 0 26px;
  font-weight:300;
}
.about-list{list-style:none;}
.about-list li{
  padding-left:26px;
  position:relative;
  margin-bottom:14px;
  color:#e4e1d7;
  font-size:15px;
}
.about-list li::before{
  content:"";
  position:absolute;left:0;top:8px;
  width:14px;height:1px;
  background:var(--gold);
}
.about-visual{
  height:360px;
  border-radius:var(--radius);
  background:
    linear-gradient(135deg,rgba(201,162,39,.12),transparent 60%),
    url("https://images.unsplash.com/photo-1489514354504-1653aa90e34e?auto=format&fit=crop&w=900&q=80");
  background-size:cover;
  background-position:center;
  border:1px solid var(--line);
  position:relative;
}
.about-visual::before,.about-visual::after{
  content:"";
  position:absolute;
  width:22px;height:22px;
  border-color:var(--gold);
}
.about-visual::before{top:14px;left:14px;border-top:2px solid var(--gold);border-left:2px solid var(--gold);}
.about-visual::after{bottom:14px;right:14px;border-bottom:2px solid var(--gold);border-right:2px solid var(--gold);}

/* ---------- CONTACT + MAP ---------- */

#contact{background:var(--black);}
.contact-grid{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:50px;
  align-items:stretch;
}
.contact-item{margin-bottom:18px;}
.contact-item strong{
  display:block;
  font-family:var(--font-head);
  color:var(--gold-light);
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:6px;
}
.contact-item p{color:#e4e1d7;font-size:15px;}
.contact-socials{
  display:flex;
  gap:12px;
  margin-top:28px;
}
.contact-socials a{
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  font-family:var(--font-head);
  text-decoration:none;
  transition:.3s ease;
}
.contact-socials a:hover{border-color:var(--gold);color:var(--gold-light);}

.map-wrap{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  min-height:340px;
  filter:grayscale(.4) contrast(1.1);
}
.map-wrap iframe{width:100%;height:100%;min-height:340px;border:0;}

/* ---------- FOOTER ---------- */

footer{background:#060607;color:var(--muted);padding-top:70px;border-top:1px solid rgba(255,255,255,.06);}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:50px;
}
.footer-logo{height:44px;margin-bottom:16px;}
.footer-col p{font-size:14px;line-height:1.7;}
.footer-col h4{
  color:#fff;
  font-size:14px;
  letter-spacing:.06em;
  margin-bottom:18px;
}
.footer-col a{
  display:block;
  text-decoration:none;
  color:var(--muted);
  font-size:14px;
  margin-bottom:12px;
  transition:.25s ease;
}
.footer-col a:hover{color:var(--gold-light);}
.footer-bottom{
  text-align:center;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.06);
  font-size:13px;
}

/* ---------- FLOATING BUTTONS ---------- */

#whatsapp-btn{
  position:fixed;
  bottom:28px;left:28px;
  width:58px;height:58px;
  background:#25d366;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  z-index:500;
  box-shadow:0 12px 26px rgba(0,0,0,.4);
  transition:transform .3s ease;
}
#whatsapp-btn svg{width:28px;height:28px;fill:#fff;}
#whatsapp-btn:hover{transform:scale(1.08);}

#back-to-top{
  position:fixed;
  bottom:28px;right:28px;
  width:50px;height:50px;
  border-radius:50%;
  background:var(--gold);
  color:#141414;
  border:none;
  font-size:20px;
  cursor:pointer;
  z-index:500;
  box-shadow:0 12px 26px rgba(0,0,0,.4);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:.3s ease;
}
#back-to-top.show{opacity:1;visibility:visible;transform:none;}
#back-to-top:hover{background:var(--gold-light);}

/* ---------- TOAST ---------- */

#toast{
  position:fixed;
  bottom:100px;left:50%;
  transform:translateX(-50%) translateY(20px);
  background:var(--charcoal-3);
  border:1px solid var(--gold);
  color:#fff;
  padding:14px 26px;
  border-radius:10px;
  font-size:14px;
  z-index:1500;
  opacity:0;
  pointer-events:none;
  transition:.3s ease;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media(max-width:1100px){
  .about-grid,.contact-grid{grid-template-columns:1fr;}
  .about-visual{height:280px;order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media(max-width:900px){

  #main-nav{
    position:fixed;
    top:0;right:0;
    width:min(300px,80vw);
    height:100%;
    background:rgba(10,10,11,.97);
    backdrop-filter:blur(20px);
    flex-direction:column;
    justify-content:center;
    align-items:flex-start;
    gap:28px;
    padding:40px;
    transform:translateX(100%);
    transition:transform .4s var(--ease);
    z-index:950;
  }
  #main-nav.open{transform:none;}

  #nav-toggle{display:flex;}

  .stats-grid{grid-template-columns:repeat(2,1fr);gap:34px;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:180px;}
  .gallery-item.span-2{grid-column:span 2;}
  .footer-grid{grid-template-columns:1fr;text-align:center;}
  .footer-col a{margin:0 auto 12px;}
  .contact-socials{justify-content:center;}
  .about-list li{text-align:left;}
}

@media(max-width:560px){
  section{padding:80px 0;}
  .overlay h1{font-size:34px;}
  .hero-btns{flex-direction:column;width:100%;}
  .hero-btns .btn{width:100%;text-align:center;}
  .gallery-grid{grid-template-columns:1fr;}
  .gallery-item.span-2{grid-column:span 1;}
  #whatsapp-btn{width:50px;height:50px;bottom:20px;left:20px;}
  #back-to-top{width:44px;height:44px;bottom:20px;right:20px;}
}

/* ---------- reduced motion ---------- */

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

/* ---------- focus visibility ---------- */

a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--gold-light);
  outline-offset:2px;
}