/* ===========================
   FOOTER.CSS - Chuyen nghiep & Dang cap
   =========================== */

#footer {
  background: transparent;
  border-top: none;
}

/* ===== TRUST BAR ===== */
.trust-bar {
  background: linear-gradient(135deg, #1a0505 0%, #2d0808 50%, #1a0505 100%);
  border-top: 1px solid rgba(208,2,27,0.2);
  border-bottom: 1px solid rgba(208,2,27,0.15);
  padding: 0;
}

.trust-bar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 28px;
  border-right: 1px solid rgba(255,255,255,0.05);
  transition: background 0.3s;
  cursor: default;
  position: relative;
  overflow: hidden;
}

.trust-item::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: #D0021B;
  transition: width 0.4s ease;
}

.trust-item:hover::before { width: 100%; }
.trust-item:hover { background: rgba(208,2,27,0.06); }
.trust-item:last-child { border-right: none; }

.trust-icon {
  width: 48px; height: 48px;
  background: rgba(208,2,27,0.12);
  border: 1px solid rgba(208,2,27,0.25);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  transition: all 0.3s;
}

.trust-item:hover .trust-icon {
  background: rgba(208,2,27,0.25);
  border-color: rgba(208,2,27,0.5);
  transform: scale(1.08) rotate(-3deg);
}

.trust-text { display: flex; flex-direction: column; gap: 3px; }

.trust-label {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.trust-desc {
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  line-height: 1.4;
}

/* ===== NEWSLETTER ===== */
.footer-newsletter {
  background: linear-gradient(135deg, #D0021B 0%, #8B0000 50%, #D0021B 100%);
  position: relative;
  overflow: hidden;
}

.footer-newsletter::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.footer-newsletter::after {
  content: '✉️';
  position: absolute;
  right: 80px; top: 50%;
  transform: translateY(-50%);
  font-size: 120px;
  opacity: 0.06;
  pointer-events: none;
}

.newsletter-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 36px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.newsletter-left { flex: 1; }

.newsletter-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.newsletter-title {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.newsletter-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}

.newsletter-form {
  display: flex;
  gap: 0;
  max-width: 480px;
  width: 100%;
}

.newsletter-input {
  flex: 1;
  padding: 14px 20px;
  border: none;
  border-radius: 8px 0 0 8px;
  font-size: 14px;
  font-family: inherit;
  color: #1A1A1A;
  outline: none;
  background: #fff;
}

.newsletter-input::placeholder { color: #aaa; }

.newsletter-btn {
  background: #1A1A1A;
  color: #fff;
  border: none;
  border-radius: 0 8px 8px 0;
  padding: 14px 24px;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 8px;
}

.newsletter-btn:hover { background: #333; }

/* ===== FOOTER MAIN ===== */
.footer-main {
  background: #111;
  padding: 64px 20px 48px;
  position: relative;
  overflow: hidden;
}

.footer-main::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 10% 0%, rgba(208,2,27,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 100%, rgba(208,2,27,0.04) 0%, transparent 50%);
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.3fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}

/* Cot 1: Thuong hieu */
.footer-brand {}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-brand-logo img { height: 44px; }

.footer-brand-name {
  font-size: 22px;
  font-weight: 900;
  text-transform: uppercase;
  color: #fff;
  letter-spacing: 1px;
  line-height: 1;
}

.footer-brand-name span { color: #D0021B; }

.footer-tagline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(208,2,27,0.1);
  border: 1px solid rgba(208,2,27,0.2);
  color: rgba(255,255,255,0.6);
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 300px;
}

/* Hotline */
.footer-hotline-box {
  background: rgba(208,2,27,0.08);
  border: 1px solid rgba(208,2,27,0.15);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-hotline-icon {
  width: 40px; height: 40px;
  background: #D0021B;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(208,2,27,0.4); }
  50%      { box-shadow: 0 0 0 10px rgba(208,2,27,0); }
}

.footer-hotline-info {}

.footer-hotline-label {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 3px;
}

.footer-hotline-number {
  font-size: 22px;
  font-weight: 900;
  color: #D0021B;
  letter-spacing: 1px;
  line-height: 1;
}

.footer-hotline-time {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  margin-top: 2px;
}

/* Social */
.footer-socials {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-social-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  transition: all 0.25s;
  border: 1px solid rgba(255,255,255,0.08);
}

.footer-social-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.2);
}

.footer-social-btn.fb   { background: rgba(24,119,242,0.15); }
.footer-social-btn.fb:hover   { background: #1877F2; }
.footer-social-btn.yt   { background: rgba(255,0,0,0.12); }
.footer-social-btn.yt:hover   { background: #FF0000; }
.footer-social-btn.zl   { background: rgba(0,104,255,0.12); }
.footer-social-btn.zl:hover   { background: #0068FF; }
.footer-social-btn.tkt  { background: rgba(255,255,255,0.06); }
.footer-social-btn.tkt:hover  { background: rgba(255,255,255,0.15); }

/* Cot 2,3: Links */
.footer-col {}

.footer-col-title {
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 32px; height: 2px;
  background: #D0021B;
  border-radius: 1px;
}

.footer-col-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer-col-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  text-decoration: none;
}

.footer-col-links a::before {
  content: '›';
  color: #D0021B;
  font-size: 18px;
  line-height: 1;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.footer-col-links a:hover {
  color: #fff;
  padding-left: 6px;
}

.footer-col-links a:hover::before {
  transform: translateX(2px);
}

.footer-col-links a:last-child { border-bottom: none; }

/* Cot 4: Lien he */
.footer-contact-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-contact-item:last-child { border-bottom: none; }

.footer-contact-icon {
  width: 32px; height: 32px;
  background: rgba(208,2,27,0.1);
  border: 1px solid rgba(208,2,27,0.2);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
  transition: all 0.2s;
}

.footer-contact-item:hover .footer-contact-icon {
  background: rgba(208,2,27,0.2);
  border-color: rgba(208,2,27,0.4);
}

.footer-contact-info {}

.footer-contact-label {
  font-size: 10px;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.footer-contact-value {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
  line-height: 1.4;
  transition: color 0.2s;
}

.footer-contact-item:hover .footer-contact-value { color: #fff; }

/* Certifications */
.footer-certs {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-cert {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  font-weight: 600;
}

.footer-cert-icon { font-size: 14px; }

/* ===== FOOTER DIVIDER ===== */
.footer-divider-wrap {
  background: #111;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.footer-divider-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(208,2,27,0.3), rgba(208,2,27,0.5), rgba(208,2,27,0.3), transparent);
}

/* ===== FOOTER BOTTOM ===== */
.footer-bottom {
  background: #0d0d0d;
  padding: 20px;
}

.footer-bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-left {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-bottom-left span { color: #D0021B; font-weight: 700; }

.footer-bottom-center {
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-dot {
  width: 4px; height: 4px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
}

.footer-bottom-center a {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-bottom-center a:hover { color: #D0021B; }

.footer-bottom-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.payment-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  font-weight: 600;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .trust-bar-inner { grid-template-columns: repeat(2, 1fr); }
  .newsletter-inner { flex-direction: column; align-items: flex-start; }
  .newsletter-form { max-width: 100%; width: 100%; }
}

@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .trust-bar-inner { grid-template-columns: 1fr 1fr; }
  .trust-item { padding: 16px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .footer-bottom-center { justify-content: center; flex-wrap: wrap; }
}

@media (max-width: 400px) {
  .trust-bar-inner { grid-template-columns: 1fr; }
}