/* Techlarch Shared CSS — nav, footer, wa-fab used across all pages */
:root{
  --navy:#0d1b2a;--navy2:#1a2e42;--navy3:#243b55;
  --gold:#c9a84c;--gold2:#e2c074;--goldp:#fdf5e0;
  --white:#fff;--g50:#f8f9fa;--g100:#f0f2f5;--g200:#e2e6ea;
  --g400:#9aa3ae;--g600:#5a6473;--g800:#2d3748;--text:#1a202c;
  --green:#38a169;--r:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--text);background:var(--white)}
img{max-width:100%;height:auto}
a{text-decoration:none;color:inherit}

/* NAV */
nav{background:var(--navy);position:sticky;top:0;z-index:200;box-shadow:0 2px 16px rgba(0,0,0,.3)}
.nav-inner{max-width:1380px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;height:66px;gap:2rem}
.nav-logo{font-family:'Space Grotesk',sans-serif;font-size:1.4rem;font-weight:700;color:var(--white);display:flex;align-items:center;gap:.5rem}
.nav-logo img{height:38px}
.nav-logo span{color:var(--gold)}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;flex:1}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:4px;padding:.85rem 1rem;color:rgba(255,255,255,.78);font-size:.875rem;font-weight:500;white-space:nowrap;transition:color .18s;background:none;border:none;cursor:pointer;font-family:'Inter',sans-serif}
.nav-link:hover,.nav-link.active{color:var(--gold)}
.chevron{font-size:.65rem;transition:transform .2s;opacity:.7}
.nav-item:hover .chevron{transform:rotate(180deg)}
.nav-cta{background:var(--gold);color:var(--navy)!important;padding:.42rem 1.1rem!important;border-radius:6px;font-weight:600!important;margin-left:.5rem}
.nav-cta:hover{background:var(--gold2)!important}
.nav-dropdown{position:absolute;top:100%;left:0;background:var(--white);border-radius:0 0 var(--r) var(--r);box-shadow:0 8px 30px rgba(0,0,0,.15);opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .18s,transform .18s;z-index:300;border-top:3px solid var(--gold)}
.nav-item:hover .nav-dropdown,.nav-item:focus-within .nav-dropdown{opacity:1;pointer-events:all;transform:translateY(0)}
.nav-dropdown.mega{left:50%;transform:translateX(-50%) translateY(-6px);width:740px;padding:1.5rem;display:grid;grid-template-columns:190px 1fr;gap:1.5rem}
.nav-item:hover .nav-dropdown.mega,.nav-item:focus-within .nav-dropdown.mega{transform:translateX(-50%) translateY(0)}
.mega-col-left{border-right:1px solid var(--g200);padding-right:1.5rem}
.mega-col-left h3,.mega-col-right h3{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--g400);margin-bottom:.6rem}
.mega-main-link{display:flex;flex-direction:column;padding:.55rem .65rem;border-radius:6px;font-size:.85rem;font-weight:600;color:var(--g800);margin-bottom:.3rem;transition:background .15s}
.mega-main-link:hover{background:var(--goldp);color:var(--navy)}
.mega-main-link small{font-size:.7rem;font-weight:400;color:var(--g400);margin-top:2px}
.mega-subcats{display:grid;grid-template-columns:repeat(3,1fr);gap:.25rem}
.mega-sub-link{display:flex;align-items:center;gap:.4rem;padding:.42rem .55rem;border-radius:6px;font-size:.8rem;color:var(--g800);transition:background .15s}
.mega-sub-link:hover{background:var(--goldp);color:var(--navy)}
.mega-footer{grid-column:1/-1;padding-top:.9rem;border-top:1px solid var(--g100);display:flex;gap:1rem;flex-wrap:wrap}
.mega-footer a{font-size:.8rem;color:var(--navy);font-weight:600;display:flex;align-items:center;gap:.3rem}
.mega-footer a:hover{color:var(--gold)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;margin-left:auto;padding:6px}
.hamburger span{display:block;width:22px;height:2px;background:white;border-radius:2px;transition:.2s}
.mobile-nav{display:none;background:var(--navy2);padding:.8rem 1.5rem 1.2rem;border-top:1px solid rgba(255,255,255,.1)}
.mobile-nav.open{display:block}
.mob-section-title{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--gold);padding:.4rem 0;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:.4rem;margin-top:.8rem}
.mob-link{display:block;padding:.42rem 0;color:rgba(255,255,255,.8);font-size:.875rem}
.mob-link:hover{color:var(--gold)}

/* FOOTER */
footer{background:var(--navy);padding:3rem 2rem 1.5rem;color:rgba(255,255,255,.6)}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:2rem;margin-bottom:2rem}
.footer-brand .logo{font-family:'Space Grotesk',sans-serif;font-size:1.2rem;font-weight:700;color:var(--white);margin-bottom:.6rem;display:flex;align-items:center;gap:.4rem}
.footer-brand .logo span{color:var(--gold)}
.footer-brand .logo img{height:30px}
.footer-brand p{font-size:.82rem;line-height:1.6;margin-bottom:.8rem}
.footer-col h4{font-family:'Space Grotesk',sans-serif;font-size:.82rem;font-weight:700;color:var(--white);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.8rem}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:.4rem}
.footer-col ul li a{font-size:.82rem;color:rgba(255,255,255,.55);transition:color .2s}
.footer-col ul li a:hover{color:var(--gold)}
.footer-contact-item{display:flex;align-items:flex-start;gap:.5rem;font-size:.82rem;margin-bottom:.5rem}
.footer-contact-item a{color:rgba(255,255,255,.55);transition:color .2s}
.footer-contact-item a:hover{color:var(--gold)}
.footer-bottom{padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between;font-size:.78rem;flex-wrap:wrap;gap:.5rem}

/* WA FAB */
.wa-fab{position:fixed;bottom:22px;right:22px;width:54px;height:54px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(37,211,102,.4);z-index:999;transition:transform .2s}
.wa-fab:hover{transform:scale(1.09)}

/* RESPONSIVE */
@media(max-width:1000px){.footer-grid{grid-template-columns:1fr 1fr}.nav-links{display:none}.hamburger{display:flex}.nav-inner{gap:0}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr}}