:root{
  --primary:#c90c0c;
  --dark:#0f172a;
  --light:#f8fafc;
  --accent:#0b5dbb;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--light);color:#0b1220}
a{color:var(--accent);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:18px}
.header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(180%) blur(8px);
  background:rgba(255,255,255,.85);
  border-bottom:1px solid #e2e8f0;
}
.nav{display:flex;align-items:center;gap:18px;justify-content:space-between;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:56px;width:auto;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.08)}
.brand h1{font-size:18px;margin:0;line-height:1.1}
.tagline{font-size:12px;color:#475569;margin-top:4px}
nav ul{display:flex;list-style:none;margin:0;padding:0;gap:14px;flex-wrap:wrap}
nav a{padding:10px 12px;border-radius:10px;font-weight:600;color:#0b1220}
nav a:hover{background:#e2e8f0}
.cta{background:var(--primary);color:white !important}
.cta:hover{filter:brightness(.95)}

.hero{background:linear-gradient(180deg, #fff, #f3f7ff);padding:40px 0}
.hero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.hero h2{font-size:38px;margin:0 0 8px 0;line-height:1.1}
.hero p{font-size:18px;color:#334155;margin:0 0 18px 0}
.btn{display:inline-block;padding:12px 18px;border-radius:12px;font-weight:700}
.btn-outline{border:2px solid var(--accent);}
.btn-primary{background:var(--primary);color:#fff}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:18px;box-shadow:0 4px 16px rgba(2,6,23,.04)}
.card h3{margin:0 0 10px 0}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;background:#e2e8f0;font-size:12px;margin-right:6px}
.footer{background:#0b1220;color:#cbd5e1;margin-top:40px}
.footer a{color:#e2e8f0}
.footer .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
small, .muted{color:#64748b}

/* Mobile nav */
.burger{display:none}
@media (max-width: 900px){
  .hero .grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
}
@media (max-width: 560px){
  nav ul{display:none}
  .burger{display:block}
  .cards{grid-template-columns:1fr}
}


@keyframes wave{
  0%{ transform:rotate(0deg) translateY(0px) }
  50%{ transform:rotate(6deg) translateY(2px) }
  100%{ transform:rotate(0deg) translateY(0px) }
}

/* Logo block with undertexts */
.logo-block{display:flex;align-items:center;gap:16px}
.logo-block img{height:88px;width:auto}
.logo-text p{margin:2px 0;color:#475569}
.logo-text p:first-child{font-weight:700}
.section{padding:28px 0}
.section h2{margin:0 0 10px 0}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid #e2e8f0;text-align:left}
.kv{display:grid;grid-template-columns:140px 1fr;gap:8px}
.contact-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:18px}
.map{width:100%;height:320px;border:0;border-radius:12px}


/* Real Turkish flag SVG floating & waving */
.flag {
  position: fixed; top: 10px; right: 10px; z-index: 100;
  width: 60px; height: 40px;
  animation: wave 2.2s ease-in-out infinite;
  transform-origin: left center;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.25));
}
.flag img, .flag svg { width:100%; height:100%; display:block; border-radius:3px }
@keyframes wave {
  0%   { transform: perspective(300px) rotateY(0deg)  rotateZ(0deg); }
  25%  { transform: perspective(300px) rotateY(12deg) rotateZ(1deg); }
  50%  { transform: perspective(300px) rotateY(0deg)  rotateZ(0deg); }
  75%  { transform: perspective(300px) rotateY(12deg) rotateZ(-1deg); }
  100% { transform: perspective(300px) rotateY(0deg)  rotateZ(0deg); }
}
@media (max-width:560px){
  .flag{ width:48px; height:32px; top:8px; right:8px }
}


.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.product{background:#fff;border:1px solid #e2e8f0;border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(2,6,23,.06)}
.product img{width:100%;display:block}
.product figcaption{padding:14px 16px;font-weight:700}
@media (max-width:900px){.product-grid{grid-template-columns:1fr}}

/* Prevent horizontal overflow */
html, body { overflow-x: hidden; }
img { max-width: 100%; height: auto; }


/* Mobile menu: open by default and tidy */
@media (max-width: 560px){
  .burger{ display: none !important; }
  .header .nav{ align-items: flex-start; }
  nav ul{ 
    display: flex !important; 
    flex-direction: column; 
    gap: 8px; 
    width: 100%;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 10px;
    margin: 8px 0 0 0;
  }
  nav a{
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    background: #f8fafc;
  }
  nav a.cta{
    background: var(--primary);
    color: #fff !important;
    border-color: var(--primary);
  }
  .container{ padding-left: 14px; padding-right: 14px; }
}


/* --- v9 mobile nav tweaks --- */
html, body { overflow-x: hidden; }
img { max-width: 100%; height: auto; }

/* Ensure top nav can wrap without breaking layout */
.nav{flex-wrap:wrap}

/* Mobile layout: two-row grid (first 2 links on top) */
@media (max-width: 560px){
  .burger{ display:none !important; }
  nav ul{
    display:grid !important;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap:8px;
    width:100%;
    background:#fff;
    border:1px solid #e2e8f0;
    border-radius:12px;
    padding:10px;
    margin:8px 0 0 0;
  }
  nav li{margin:0;padding:0}
  nav a{
    display:block;
    text-align:center;
    padding:10px 8px;
    border:1px solid #e2e8f0;
    border-radius:10px;
    background:#f8fafc;
    font-size:14px;
    font-weight:700;
  }
  nav a.cta{ background: var(--primary); color:#fff !important; border-color: var(--primary); }
  .brand img{height:48px}
  .header .container{ padding-left:12px; padding-right:12px }
}

/* Footer grid to avoid overlap on small screens */
.footer .grid{grid-template-columns:repeat(4,1fr)}
@media (max-width: 900px){
  .footer .grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 560px){
  .footer .grid{grid-template-columns:1fr; gap:14px}
  .footer .logo-block{align-items:flex-start}
}


/* v10 mobile nav: single row + centered contact button and promo image */
@media (max-width: 560px){
  nav ul{
    display:flex !important;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: space-between;
    width: 100%;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 10px;
    margin-top: 8px;
  }
  nav li{margin:0;padding:0;flex:1}
  nav a{
    display:block;
    text-align:center;
    padding:10px 8px;
    border:1px solid #e2e8f0;
    border-radius:10px;
    background:#f8fafc;
    font-size:14px;
    font-weight:700;
    width:100%;
  }
  .mobile-contact{
    display:block;
    text-align:center;
    margin-top:10px;
  }
  .mobile-contact .btn-contact{
    display:inline-block;
    padding:12px 18px;
    border-radius:12px;
    background: var(--primary);
    color:#fff;
    font-weight:800;
    border: 1px solid var(--primary);
  }
  .mobile-contact img{
    width:100%;
    height:auto;
    border-radius:16px;
    border:1px solid #e2e8f0;
    margin-top:10px;
  }
}
@media (min-width: 561px){
  .mobile-contact{display:none}
}


/* v11: Mobile header menu in a single row (4 columns), minimal spacing */
@media (max-width: 560px){
  .header .nav{ align-items: flex-start; }
  nav ul{
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0,1fr)) !important;
    gap: 8px !important;
    width: 100% !important;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 8px !important;
    margin: 8px 0 6px 0 !important;
  }
  nav li{ margin:0 !important; padding:0 !important; }
  nav a{
    display:block;
    text-align:center;
    padding:10px 6px !important;
    border:1px solid #e2e8f0;
    border-radius:10px;
    background:#f8fafc;
    font-size:13px !important;
    font-weight:700;
    width:100%;
  }
  /* Centered contact button directly under menu */
  .mobile-contact{
    display:block;
    text-align:center;
    margin-top: 4px !important;
  }
  .mobile-contact .btn-contact{
    padding:12px 18px;
    border-radius:12px;
  }
  .mobile-contact img{ margin-top:10px }
  /* Reduce container side padding a bit */
  .container{ padding-left: 12px; padding-right: 12px; }
}


/* v14: Mobile-only promo under menu */
.mobile-promo{display:none}
@media (max-width:560px){
  .mobile-promo{display:block;margin-top:8px}
  .mobile-promo img{width:100%;height:auto;border-radius:16px;border:1px solid #e2e8f0}
}


/* v15: Promo text styling near logo above promo image */
.promo-text{
  text-align:center;
  margin-top:10px;
  font-family:'Poppins',sans-serif;
}
.promo-text p{
  font-size:15px;
  font-weight:600;
  color:#222;
  line-height:1.4;
  margin:0;
}
.promo-text span{
  display:block;
  font-size:13px;
  color:#555;
  font-weight:500;
}
@media (max-width:560px){
  .promo-text p{font-size:14px;}
  .promo-text span{font-size:12px;}
}


/* v16: hero slogan next to logo (index only) */
.hero-slogan{
  display:inline-block;
  vertical-align:middle;
  margin-left:10px;
  font-weight:700;
  line-height:1.2;
}
.hero-slogan small{
  display:block;
  font-weight:500;
  color:#4b5563;
}
@media (max-width:560px){
  .hero-slogan{ font-size:14px }
  .hero-slogan small{ font-size:12px }
}