/* ============================================================
   VANGUARD SOLUTIONS — FOOTER CSS
   ============================================================ */

.site-footer {
  position: relative;
  background: #020205;
  margin-top: auto;
}

.footer-glow-top {
  height: 1px;
  background: var(--grad-main);
  box-shadow: var(--glow-cyan);
  opacity: 0.6;
}

/* ── MAIN FOOTER GRID ───────────────────────────────────────── */
.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl) var(--container-pad);
}

@media (min-width: 640px) {
  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .footer-inner {
    grid-template-columns: 2fr 1fr 1.2fr 1fr;
    gap: var(--space-xl);
  }
}

/* ── ABOUT COLUMN ───────────────────────────────────────────── */
.footer-about {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  margin-bottom: 0.1rem;
}

.footer-logo svg {
  filter: drop-shadow(0 0 6px rgba(0,240,255,0.4));
  flex-shrink: 0;
}

.footer-logo-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.footer-logo-text span {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-left: 0.15em;
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(224,224,224,0.5);
  line-height: 1.7;
  max-width: 300px;
}

/* ── FOOTER COLUMNS ─────────────────────────────────────────── */
.footer-col {}

.footer-col-title {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: var(--glow-text-cyan);
  margin-bottom: var(--space-sm);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(0,240,255,0.1);
}

/* ── QUICK LINKS ────────────────────────────────────────────── */
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: rgba(224,224,224,0.55);
  text-decoration: none;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-links a::before {
  content: '›';
  color: var(--cyan);
  opacity: 0;
  transition: opacity var(--transition-fast);
  font-size: 1rem;
  line-height: 1;
}

.footer-links a:hover {
  color: rgba(224,224,224,0.9);
  padding-left: 0.5rem;
}

.footer-links a:hover::before {
  opacity: 1;
}

/* ── CONTACT INFO ───────────────────────────────────────────── */
.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-contact-info li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.875rem;
  color: rgba(224,224,224,0.55);
  line-height: 1.5;
}

.footer-contact-info li i {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--cyan);
  opacity: 0.75;
  font-size: 0.8rem;
  width: 14px;
  text-align: center;
}

.footer-contact-info li a {
  color: rgba(224,224,224,0.55);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-contact-info li a:hover {
  color: var(--cyan);
}

/* ── SOCIAL ICONS ───────────────────────────────────────────── */
.footer-social-col {}

.footer-social-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.1rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(0,240,255,0.15);
  border-radius: var(--radius-sm);
  color: rgba(224,224,224,0.6);
  font-size: 0.85rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background: rgba(0,240,255,0.08);
  border-color: rgba(0,240,255,0.4);
  color: var(--cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}

/* ── FOOTER BOTTOM ──────────────────────────────────────────── */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 1.25rem 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-copy,
.footer-made {
  font-size: 0.78rem;
  font-family: var(--font-tech);
  letter-spacing: 0.04em;
}

.footer-copy {
  color: rgba(224,224,224,0.35);
}

.footer-made {
  color: rgba(0,240,255,0.35);
}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 639px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: var(--space-lg) var(--container-pad);
  }

  .footer-tagline { max-width: 100%; }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
    gap: 0.3rem;
  }
}