/* Footer Styles - ITSI Theme */
/* Based on template index (5).html */

/* CSS Variables for Footer */
:root{
  --ink:#010D1E;--navy:#04162E;--deep:#08274F;--royal:#0C3D7A;
  --cobalt:#1459B3;--azure:#1E72D4;--cerulean:#3B9AE8;--sky:#75C0F5;
  --pale:#BAE0FF;--frost:#E3F2FF;--surface:#F2F7FF;--white:#FFFFFF;
  --gold:#BF9B30;--gold-lt:#E8C558;
  --td:#030E1E;--tb:#162740;--tm:#385270;--ts:#6880A0;
  --gw:rgba(255,255,255,.05);--gb:rgba(255,255,255,.10);
  --sh1:0 2px 14px rgba(12,61,122,.07);--sh2:0 8px 36px rgba(12,61,122,.12);--sh3:0 20px 60px rgba(12,61,122,.17);
  --ease:cubic-bezier(.22,1,.36,1);--max:1360px;
}

/* Footer Structure */
footer{background:var(--ink);border-top:1px solid rgba(255,255,255,.05)}
footer .footer-top{padding:clamp(3rem,6vw,5.5rem)0 clamp(2.5rem,5vw,4rem)}
footer .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem}

/* Brand Section */
.f-brand{}
.f-logo{display:flex;align-items:center;gap:11px;margin-bottom:1.2rem}
.f-logo img{height:40px}
.f-logo-txt .flt-s{display:block;font-size:.6rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase;color:var(--cerulean)}
.f-logo-txt .flt-l{display:block;font-size:.82rem;font-weight:700;color:#fff;line-height:1.28}
.f-desc{font-size:.84rem;color:rgba(255,255,255,.4);line-height:1.78;margin-bottom:1.4rem}

/* Social Media Icons */
.f-socials{display:flex;gap:.5rem}
.f-soc{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.5);font-size:.95rem;display:flex;align-items:center;justify-content:center;transition:all .22s;text-decoration:none}
.f-soc:hover{background:var(--cobalt);border-color:transparent;color:#fff}

/* Footer Columns */
.f-col-ttl{font-size:.7rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--cerulean);margin-bottom:1.1rem}
.f-col ul{display:flex;flex-direction:column;gap:.52rem;list-style:none;padding:0;margin:0}
.f-col a{font-size:.84rem;color:rgba(255,255,255,.42);transition:color .2s;display:flex;align-items:center;gap:.38rem;text-decoration:none}
.f-col a:hover{color:rgba(255,255,255,.85)}

/* Footer Bottom */
footer .footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:1.5rem 0;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
footer .f-copy{font-size:.78rem;color:rgba(255,255,255,.28);margin:0}
footer .f-links{display:flex;gap:1.4rem;flex-wrap:wrap;margin:0;padding:0;list-style:none}
footer .f-links a{font-size:.78rem;color:rgba(255,255,255,.28);transition:color .2s;text-decoration:none}
footer .f-links a:hover{color:rgba(255,255,255,.65)}

/* Container */
footer .container{max-width:var(--max);margin:0 auto;padding:0 clamp(1.2rem,4vw,2.8rem)}

/* Scroll to Top Button */
#scrollTop{position:fixed;bottom:1.8rem;right:1.8rem;z-index:800;width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--cobalt),var(--royal));border:none;color:#fff;cursor:pointer;font-size:1rem;display:none;align-items:center;justify-content:center;box-shadow:0 6px 22px rgba(20,89,179,.45);transition:all .25s var(--ease)}
#scrollTop.show{display:flex}
#scrollTop:hover{transform:translateY(-3px);box-shadow:0 10px 32px rgba(20,89,179,.6)}

/* Responsive Design */
@media(max-width:1200px){
  footer .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  footer .footer-grid{grid-template-columns:1fr}
  footer .footer-bottom{flex-direction:column;text-align:center}
  footer .f-links{justify-content:center}
  #scrollTop{bottom:20px;right:20px;width:40px;height:40px}
}