/* ═══════════════════════════════════════════════
   TÚ AN CLINIC — FOOTER
   File: assets/css/footer.css
═══════════════════════════════════════════════ */

#site-footer {
  background: var(--ink-900);
  padding: 64px var(--pad-x) 0;
}

.foot-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ── Top grid ── */
.foot-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

/* ── Brand ── */
.foot-logo { text-decoration: none; display: block; margin-bottom: 16px; }
.foot-logo-name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 4px;
  color: var(--white);
  display: block;
  margin-bottom: 4px;
}
.foot-logo-sub {
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--teal-300);
  display: block;
}
.foot-desc {
  font-size: 12px;
  line-height: 1.8;
  color: rgba(255,255,255,.38);
  font-weight: 300;
  max-width: 240px;
  margin-bottom: 22px;
}

/* ── Social ── */
.foot-social { display: flex; gap: 8px; }
.foot-social a {
  width: 32px; height: 32px;
  border: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.38);
  transition: border-color var(--ease), color var(--ease);
  text-decoration: none;
}
.foot-social a:hover { border-color: var(--teal-400); color: var(--teal-300); }
.foot-social svg { width: 14px; height: 14px; }

/* ── Nav cols ── */
.foot-col-title {
  font-size: 9px; font-weight: 500;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: rgba(255,255,255,.25);
  margin-bottom: 18px; display: block;
}
.foot-col a {
  display: block; font-size: 12px;
  color: rgba(255,255,255,.45);
  margin-bottom: 10px; font-weight: 300;
  text-decoration: none;
  transition: color var(--ease); line-height: 1.5;
}
.foot-col a:hover { color: var(--teal-300); }
.foot-addr, .foot-hours {
  display: block; font-size: 12px;
  color: rgba(255,255,255,.35);
  font-weight: 300; line-height: 1.65; margin-bottom: 10px;
}
.foot-hours { color: rgba(255,255,255,.28); margin-bottom: 0; margin-top: 4px; }

/* ── Bottom bar ── */
.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0 28px;
  gap: 16px;
  flex-wrap: wrap;
}
.foot-bottom-left {
  display: flex; align-items: center;
  gap: 20px; flex-wrap: wrap;
}
.foot-bottom-left span {
  font-size: 10.5px; color: rgba(255,255,255,.2); letter-spacing: .3px;
}
.foot-bottom-left a {
  font-size: 10.5px; color: rgba(255,255,255,.25);
  text-decoration: none; transition: color var(--ease);
}
.foot-bottom-left a:hover { color: var(--teal-300); }

/* ── Payment ── */
.foot-pay-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.foot-pay-label {
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.2);
  font-weight: 500;
}
.foot-pay {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.foot-pay-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  padding: 0 8px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 3px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .5px;
  color: rgba(255,255,255,.45);
  white-space: nowrap;
  background: rgba(255,255,255,.04);
  font-family: var(--font-sans);
}

/* Visa — chữ nghiêng đặc trưng */
.foot-pay-visa {
  font-style: italic;
  font-size: 10px;
  letter-spacing: 1px;
  color: rgba(180,210,255,.7);
  border-color: rgba(180,210,255,.2);
}

/* Mastercard — 2 chấm tròn */
.foot-pay-mc {
  padding: 0 6px;
  gap: 0;
  border-color: rgba(255,255,255,.12);
}
.mc-circle {
  width: 13px; height: 13px;
  border-radius: 50%;
  display: inline-block;
}
.mc-red    { background: rgba(235,0,27,.65); }
.mc-yellow { background: rgba(247,158,27,.65); margin-left: -5px; }

/* ── Responsive ── */
@media (max-width: 960px) {
  .foot-top {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 36px;
  }
  .foot-brand { grid-column: span 3; }
  .foot-desc  { max-width: 380px; }
}

@media (max-width: 640px) {
  #site-footer { padding: 44px var(--pad-x) 0; text-align: center; }

  .foot-top {
    grid-template-columns: 1fr;
    gap: 0;
    padding-bottom: 28px;
  }

  /* Ẩn dịch vụ & khám phá, giữ brand + liên hệ */
  .foot-brand { grid-column: 1; margin-bottom: 28px; }
  .foot-top .foot-col:nth-child(2),
  .foot-top .foot-col:nth-child(3) { display: none; }
  .foot-top .foot-col:nth-child(4) {
    border-top: 1px solid rgba(255,255,255,.07);
    padding-top: 24px;
  }

  .foot-desc { max-width: 100%; margin-left: auto; margin-right: auto; }
  .foot-social { justify-content: center; }
  .foot-col a, .foot-addr, .foot-hours { text-align: center; }

  .foot-bottom {
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 18px 0 22px;
  }
  .foot-bottom-left { flex-direction: column; align-items: center; gap: 8px; }
  .foot-pay-wrap { align-items: center; }
  .foot-pay      { justify-content: center; }
}

@media (max-width: 380px) {
  .foot-top { grid-template-columns: 1fr; }
  .foot-brand { grid-column: span 1; }
}