@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Barlow+Condensed:wght@600;700&display=swap');

*{margin:0;padding:0;box-sizing:border-box}
:root{
  --steel:#1a2332;
  --steel-mid:#2d3f55;
  --accent:#3b6ea5;
  --accent-dark:#2c5480;
  --light:#f5f3ef;
  --muted:#7a8694;
  --border:#d8d4cc;
  --white:#ffffff;
}
body{font-family:'Inter',sans-serif;background:var(--light);color:var(--steel);line-height:1.6}

/* TOP BAR */
.topbar{background:var(--steel);color:#aab4c0;font-size:12px;padding:7px 0}
.topbar-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.topbar a{color:#aab4c0;text-decoration:none;margin-left:20px;transition:color 0.2s}
.topbar a:hover{color:var(--white)}
.topbar-left{display:flex;gap:20px;flex-wrap:wrap}
.topbar-left span{display:flex;align-items:center;gap:6px}

/* NAV */
nav{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-mark{width:44px;height:44px;background:var(--accent);display:flex;align-items:center;justify-content:center;border-radius:4px}
.logo-mark svg{width:26px;height:26px;fill:var(--white)}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text .brand{font-family:'Barlow Condensed',sans-serif;font-size:20px;font-weight:700;color:var(--steel);letter-spacing:0.5px}
.logo-text .sub{font-size:10px;color:var(--muted);letter-spacing:1px;text-transform:uppercase}
.nav-links{display:flex;gap:22px;list-style:none}
.nav-links a{text-decoration:none;font-size:13.5px;font-weight:500;color:var(--steel-mid);transition:color 0.2s;letter-spacing:0.2px;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--accent)}
.nav-cta-group{display:flex;align-items:center;gap:8px}
.nav-cta{background:var(--accent);color:var(--white);border:none;padding:9px 20px;font-size:13px;font-weight:600;border-radius:3px;cursor:pointer;letter-spacing:0.3px;transition:background 0.2s;text-decoration:none;display:inline-block}
.nav-cta:hover{background:var(--accent-dark)}
.nav-cta-secondary{background:var(--steel);color:var(--white);border:none;padding:9px 18px;font-size:13px;font-weight:600;border-radius:3px;cursor:pointer;letter-spacing:0.3px;transition:background 0.2s;text-decoration:none;display:inline-block;white-space:nowrap}
.nav-cta-secondary:hover{background:var(--steel-mid)}
@media(max-width:1050px){.nav-cta-secondary{display:none}}

/* NAV DROPDOWN */
.nav-links li.nav-dropdown{position:relative;display:flex;align-items:center}
.nav-dropdown>a{display:flex;align-items:center;gap:5px}
.nav-dropdown>a:after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-top:-3px;opacity:.7}
.nav-dropdown-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(6px);background:var(--white);border:1px solid var(--border);border-radius:5px;box-shadow:0 14px 32px rgba(20,34,50,.14);min-width:250px;padding:8px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .16s ease,transform .16s ease;z-index:150}
.nav-dropdown:hover .nav-dropdown-panel,.nav-dropdown:focus-within .nav-dropdown-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(2px)}
.nav-dropdown-panel a{display:block;padding:9px 14px;font-size:13px;font-weight:500;color:var(--steel-mid);text-decoration:none;border-radius:3px;transition:background .15s,color .15s;white-space:nowrap}
.nav-dropdown-panel a:hover{background:var(--light);color:var(--accent)}
.nav-dropdown-toggle{display:none;background:none;border:none;cursor:pointer;padding:14px 18px;margin-left:auto}
.nav-dropdown-toggle .chevron{display:block;width:9px;height:9px;border-right:1.5px solid var(--steel-mid);border-bottom:1.5px solid var(--steel-mid);transform:rotate(45deg);transition:transform .2s}
.nav-dropdown-toggle.open .chevron{transform:rotate(225deg)}

/* NAV SUB-CATEGORY (ürün alt başlıkları) */
.nav-subcat{position:relative;display:flex;align-items:center}
.nav-subcat>a{flex:1;padding-right:26px}
.nav-subcat>a:after{content:"›";position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:15px;line-height:1}
.nav-subcat-panel{position:absolute;top:-8px;left:100%;margin-left:6px;background:var(--white);border:1px solid var(--border);border-radius:5px;box-shadow:0 14px 32px rgba(20,34,50,.14);min-width:260px;max-width:300px;max-height:70vh;overflow-y:auto;padding:8px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .16s ease;z-index:160}
.nav-subcat:hover>.nav-subcat-panel,.nav-subcat:focus-within>.nav-subcat-panel{opacity:1;visibility:visible;pointer-events:auto}
.nav-subcat-panel a{display:block;padding:8px 12px;font-size:12.5px;font-weight:500;color:var(--steel-mid);text-decoration:none;border-radius:3px;white-space:normal;line-height:1.35}
.nav-subcat-panel a:hover{background:var(--light);color:var(--accent)}
.nav-subcat-toggle{display:none;background:none;border:none;cursor:pointer;padding:12px 14px;margin-left:auto}
.nav-subcat-toggle .chevron{display:block;width:8px;height:8px;border-right:1.5px solid var(--steel-mid);border-bottom:1.5px solid var(--steel-mid);transform:rotate(45deg);transition:transform .2s}
.nav-subcat-toggle.open .chevron{transform:rotate(225deg)}

/* MOBILE NAV TOGGLE */
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px;justify-content:center;align-items:center;flex-shrink:0}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--steel);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:900px){
  nav{position:relative}
  .nav-toggle{display:flex}
  .nav-links{display:none;flex-direction:column;gap:0;position:absolute;top:100%;left:0;right:0;background:var(--white);border-top:1px solid var(--border);border-bottom:1px solid var(--border);box-shadow:0 16px 28px rgba(20,34,50,.14);max-height:calc(100vh - 68px);overflow-y:auto;z-index:140}
  .nav-links.open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:15px 24px;border-bottom:1px solid var(--border)}
  .nav-links li.nav-dropdown{flex-direction:row;flex-wrap:wrap;align-items:stretch}
  .nav-dropdown>a{flex:1;border-bottom:1px solid var(--border)}
  .nav-dropdown-toggle{display:block;border-bottom:1px solid var(--border)}
  .nav-dropdown-panel{display:none;position:static;width:100%;max-height:none;overflow:visible;transform:none;opacity:1;visibility:visible;pointer-events:auto;box-shadow:none;border:none;border-radius:0;background:var(--light);padding:0;min-width:0}
  .nav-dropdown-panel.open{display:block}
  .nav-dropdown-panel a{padding:12px 24px 12px 40px;border-bottom:1px solid var(--border)}
  .nav-subcat{flex-direction:row;flex-wrap:wrap;align-items:stretch;position:static}
  .nav-subcat>a{flex:1;padding:12px 24px 12px 40px;border-bottom:1px solid var(--border)}
  .nav-subcat>a:after{display:none}
  .nav-subcat-toggle{display:block;border-bottom:1px solid var(--border)}
  .nav-subcat-panel{display:none;position:static;width:100%;left:auto;top:auto;margin-left:0;max-width:none;max-height:none;overflow:visible;transform:none;opacity:1;visibility:visible;pointer-events:auto;box-shadow:none;border:none;border-radius:0;background:#eae7e0;padding:0;min-width:0}
  .nav-subcat-panel.open{display:block}
  .nav-subcat-panel a{padding:10px 24px 10px 56px;border-bottom:1px solid var(--border);font-size:12.5px}
}

/* LANG SWITCH (topbar) */
.topbar-lang-switch{display:flex;gap:2px;align-items:center;padding-left:16px;border-left:1px solid rgba(255,255,255,.15)}
.topbar-lang-link{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;letter-spacing:.4px;color:#aab4c0;padding:3px 6px;border-radius:3px;text-decoration:none;transition:background .15s,color .15s}
.topbar-lang-link:hover{background:rgba(255,255,255,.1);color:var(--white)}
.topbar-lang-link.active{background:var(--accent);color:var(--white)}
.topbar-lang-link .flag{font-size:13px;line-height:1}
@media(max-width:600px){.topbar-lang-link .code{display:none}}

/* PAGE HERO */
.page-hero{background:var(--steel);padding:72px 0 56px;position:relative;overflow:hidden}
.page-hero-bg{position:absolute;inset:0;opacity:0.06;background-image:repeating-linear-gradient(0deg,transparent,transparent 39px,rgba(255,255,255,0.5) 39px,rgba(255,255,255,0.5) 40px),repeating-linear-gradient(90deg,transparent,transparent 39px,rgba(255,255,255,0.5) 39px,rgba(255,255,255,0.5) 40px)}
.page-hero-accent{position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--accent)}
.page-hero-inner{max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:2}
.page-eyebrow{font-size:11px;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.page-hero h1{font-family:'Barlow Condensed',sans-serif;font-size:clamp(36px,5vw,60px);font-weight:700;color:var(--white);line-height:1.05;margin-bottom:16px}
.page-hero p{font-size:15px;color:#aab4c0;max-width:560px;line-height:1.7}

/* SECTIONS */
section{padding:72px 0}
.section-inner{max-width:1200px;margin:0 auto;padding:0 32px}
.section-eyebrow{font-size:11px;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.section-title{font-family:'Barlow Condensed',sans-serif;font-size:clamp(26px,4vw,38px);font-weight:700;color:var(--steel);line-height:1.1;margin-bottom:16px}
.section-desc{font-size:15px;color:var(--muted);line-height:1.7}

/* BUTTONS */
.btn-primary{background:var(--accent);color:var(--white);padding:12px 26px;border:none;border-radius:3px;font-size:14px;font-weight:600;cursor:pointer;letter-spacing:0.3px;transition:background 0.2s;text-decoration:none;display:inline-block}
.btn-primary:hover{background:var(--accent-dark)}
.btn-outline{background:transparent;color:var(--steel);padding:11px 24px;border:1.5px solid var(--border);border-radius:3px;font-size:13.5px;font-weight:500;cursor:pointer;text-decoration:none;display:inline-block;transition:border-color 0.2s}
.btn-outline:hover{border-color:var(--steel)}

/* FOOTER */
footer{background:#111b26;padding:40px 0 28px;border-top:1px solid rgba(255,255,255,0.06)}
.footer-grid{max-width:1200px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-brand .brand-name{font-family:'Barlow Condensed',sans-serif;font-size:20px;font-weight:700;color:var(--white);margin-bottom:10px}
.footer-brand p{font-size:13px;color:#4a5a68;line-height:1.7;max-width:260px}
.footer-col h4{font-size:11px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:#4a5a68;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13px;color:#7a8694;text-decoration:none;transition:color 0.2s}
.footer-col ul li a:hover{color:var(--white)}
.footer-bottom{max-width:1200px;margin:0 auto;padding:20px 32px 0;border-top:1px solid rgba(255,255,255,0.06);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-copy{font-size:12px;color:#4a5a68}

@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:600px){
  .footer-grid{grid-template-columns:1fr}
  .topbar-left{flex-direction:column;gap:4px}
}