/* ============================================================
   Footer
   CNC Website · Dhofar University · 2026
   ============================================================ */

.footer {
  background: var(--color-bg-dark);
  border-top: 3px solid var(--color-primary);
  position: relative;
  overflow: hidden;
}

/* ── Main Grid ───────────────────────────────────────────── */
.footer__main {
  padding: var(--space-16) 0 var(--space-12);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-10);
}

/* ── Brand Column ────────────────────────────────────────── */
.footer__brand {}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  margin-bottom: var(--space-5);
}
.footer__logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  filter: brightness(0.9);
}
.footer__logo-text { display: flex; flex-direction: column; }
.footer__logo-cnc {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: #ffffff;
  letter-spacing: 0.08em;
  line-height: 1;
}
.footer__logo-sub {
  font-size: var(--text-xs);
  color: rgba(248,250,252,0.6);
  letter-spacing: var(--tracking-wide);
}

.footer__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  max-width: 280px;
}

/* Social Icons */
.footer__social {
  display: flex;
  gap: var(--space-3);
  list-style: none;
}
.footer__social-link {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(248,250,252,0.65);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
}
.footer__social-link:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.30);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: none;
}

/* ── Link Columns ────────────────────────────────────────── */
.footer__col-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: #ffffff;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.footer__col-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.2), transparent);
}
[dir="rtl"] .footer__col-title::after {
  background: linear-gradient(270deg, rgba(255,255,255,0.2), transparent);
}

.footer__links { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(248,250,252,0.65);
  text-decoration: none;
  transition: all var(--transition-fast);
  padding: 2px 0;
}
.footer__link:hover { color: #ffffff; padding-left: 6px; }
[dir="rtl"] .footer__link:hover { padding-left: 0; padding-right: 6px; }
.footer__link i { font-size: var(--text-xs); color: rgba(248,250,252,0.35); width: 12px; flex-shrink: 0; }

.footer__link--external::after {
  content: '\f35d';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 9px;
  color: var(--color-text-faint);
  margin-left: auto;
}

/* ── Contact Column ──────────────────────────────────────── */
.footer__contact { display: flex; flex-direction: column; gap: var(--space-4); }
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(248,250,252,0.65);
}
.footer__contact-icon {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  color: rgba(248,250,252,0.75);
  flex-shrink: 0;
  margin-top: 1px;
}
.footer__contact-text { line-height: var(--leading-snug); }
.footer__contact-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: 2px;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}
.footer__contact-value { color: #ffffff; }
.footer__contact-value a {
  color: #ffffff;
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer__contact-value a:hover { color: rgba(248,250,252,0.75); }

/* ── Bottom Bar ──────────────────────────────────────────── */
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-5) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer__copyright {
  font-size: var(--text-xs);
  color: rgba(248,250,252,0.50);
}
.footer__copyright span { color: var(--color-secondary); }

.footer__bottom-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
}
.footer__bottom-link {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer__bottom-link:hover { color: var(--color-green); }

/* DU Tagline */
.footer__tagline {
  width: 100%;
  text-align: center;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.15);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255,255,255,0.03);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1023px) {
  .footer__main { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer__brand { grid-column: 1 / -1; }
  .footer__desc { max-width: 100%; }
}

@media (max-width: 600px) {
  .footer__main { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; text-align: center; }
  .footer__bottom-links { flex-wrap: wrap; justify-content: center; }
}