/* Shared base + chrome (nav, buttons, section headers, footer) used by every page on the site.
   Page-specific styles (hero, products, etc.) stay inline in each page's own <style>. */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#ffffff;--bg2:#f4f5f7;--bg3:#10151d;--bg4:#1a212c;
  --accent:#0a5cff;--accent2:#0040c0;--accent3:#3b82f6;
  --text:#0a0a0c;--muted:#6b7280;--muted2:#454a52;
  --card:#ffffff;--border:#e5e7eb;--border2:#d1d5db;
  --paper:#ffffff;--paper-muted:#9aa0ab;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Plus Jakarta Sans',sans-serif;overflow-x:hidden;line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:4px}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0.75rem 2.5rem;background:rgba(255,255,255,0.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav-logo{display:flex;align-items:center;height:52px;cursor:pointer}
.nav-logo img{height:52px;width:auto;max-width:200px;object-fit:contain;display:block;filter:contrast(0) brightness(0)}
.nav-logo-placeholder{height:44px;width:140px;border:1px dashed var(--border2);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:0.7rem;letter-spacing:1px;text-transform:uppercase}
.nav-links{display:flex;gap:1.45rem;list-style:none}
.nav-links a{color:var(--muted2);font-size:0.85rem;transition:color 0.2s;font-weight:500}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:1rem}
.nav-lang{background:transparent;color:var(--muted);font-family:'Plus Jakarta Sans',sans-serif;font-size:0.78rem;cursor:pointer;padding:0.3rem 0.7rem;border:1px solid var(--border);border-radius:6px;transition:all 0.2s}
.nav-lang:hover{border-color:var(--accent);color:var(--accent)}
.nav-cta{background:var(--accent);color:#fff;border:none;padding:0.55rem 1.4rem;border-radius:7px;font-family:'Plus Jakarta Sans',sans-serif;font-size:0.85rem;font-weight:600;cursor:pointer;transition:all 0.2s}
.nav-cta:hover{background:var(--accent2)}
.nav-shop-btn{display:inline-flex;align-items:center;justify-content:center;background:rgba(10,92,255,0.08);color:var(--accent);border:1px solid rgba(10,92,255,0.25);padding:0.48rem 0.9rem;border-radius:7px;font-size:0.82rem;font-weight:700;transition:all 0.2s;white-space:nowrap}
.nav-shop-btn:hover{background:var(--accent);color:#fff}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.hamburger span{width:22px;height:2px;background:var(--text);border-radius:2px}
.mobile-menu{display:none;position:fixed;top:65px;left:0;right:0;background:rgba(255,255,255,0.98);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:1.5rem 2rem;z-index:999}
.mobile-menu.open{display:flex;flex-direction:column;gap:1.2rem}
.mobile-menu a{color:var(--muted2);font-size:1rem;padding:0.3rem 0;border-bottom:1px solid var(--border)}

/* BUTTONS */
.btn-primary{background:var(--accent);color:#fff;border:none;padding:0.85rem 2.2rem;border-radius:8px;font-family:'Plus Jakarta Sans',sans-serif;font-size:0.92rem;font-weight:600;cursor:pointer;transition:all 0.2s;display:inline-block}
.btn-primary:hover{background:var(--accent2);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--paper);border:1px solid rgba(255,255,255,0.3);padding:0.85rem 2.2rem;border-radius:8px;font-family:'Plus Jakarta Sans',sans-serif;font-size:0.92rem;font-weight:500;cursor:pointer;transition:all 0.2s;display:inline-block}
.btn-ghost:hover{border-color:#6ea4ff;background:rgba(10,92,255,0.14)}
.btn-ghost.on-light{color:var(--text);border-color:var(--border2)}
.btn-ghost.on-light:hover{border-color:var(--accent);background:rgba(10,92,255,0.06)}

/* SECTION HEADERS */
.section{padding:6rem 2rem;max-width:1140px;margin:0 auto}
.section-inner{max-width:1140px;margin:0 auto;padding:0 2rem}
.section-tag{display:inline-flex;align-items:center;gap:0.5rem;color:var(--accent);font-size:0.72rem;text-transform:uppercase;letter-spacing:2px;margin-bottom:1rem;font-weight:700}
.section-tag::before{content:'';width:20px;height:1px;background:var(--accent)}
.section-title{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:700;letter-spacing:-0.5px;line-height:1.2;margin-bottom:0.75rem;color:var(--text)}
.section-sub{color:var(--muted2);font-size:0.95rem;max-width:500px;line-height:1.75;font-weight:400}

/* FOOTER */
footer{border-top:1px solid var(--border);padding:2.5rem 2rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.footer-logo{font-weight:800;font-size:1rem;letter-spacing:-0.5px}
.footer-logo span{color:var(--accent)}
.footer-copy{color:var(--muted);font-size:0.78rem;font-weight:400}
.footer-links{display:flex;gap:1.25rem}
.footer-links a{color:var(--muted);font-size:0.78rem;transition:color 0.2s;font-weight:500}
.footer-links a:hover{color:var(--text)}

@media(max-width:900px){
  .nav-links{display:none}
  .hamburger{display:flex}
}
@media(max-width:600px){
  nav{padding:0.6rem 0.8rem}
  .nav-logo{height:30px}
  .nav-logo img{height:30px;max-width:112px}
  .nav-right{gap:0.45rem}
  .nav-lang{font-size:0.68rem;padding:0.24rem 0.48rem;border-radius:5px}
  .nav-cta{font-size:0.72rem;padding:0.4rem 0.72rem;border-radius:7px;white-space:nowrap}
  .nav-shop-btn{font-size:0.7rem;padding:0.35rem 0.55rem;border-radius:6px}
  .hamburger{gap:4px;padding:3px}
  .hamburger span{width:19px}
  .mobile-menu{top:52px}
  .section{padding:4.5rem 1rem}
  .section-inner{padding:0 1rem}
  footer{flex-direction:column;text-align:center}
}