/* ===== Layout 2 cột cho Single Post ===== */
.single-post .site-main { padding: 0; }
.container-single{
  max-width:1200px;margin:40px auto;padding:0 20px;
  display:grid;grid-template-columns:2fr 1fr;gap:32px;
}

/* ===== Cột trái ===== */
.post-title{font-size:34px;font-weight:700;margin:0 0 12px}
.post-meta{color:#6b7280;font-size:14px;margin:0 0 20px}
.featured-image img{width:100%;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.08);margin:0 0 20px}
.entry-content{font-size:18px;line-height:1.7}
.entry-content ul{padding-left:1.2em}
.entry-content li{margin:6px 0}

/* ===== Sidebar ===== */
.sidebar h2{font-size:20px;margin:0 0 12px}
.sidebar-card{background:#fff;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.08);padding:12px}
.related-posts{list-style:none;margin:0;padding:0}
.related-item{display:flex;gap:12px;padding:10px;border-radius:10px;transition:.2s}
.related-item:hover{background:#f9fafb}
.related-item img{width:96px;height:96px;object-fit:cover;border-radius:8px}
.related-info .r-title{font-size:15px;color:#111827;display:block}
.related-info .r-date{font-size:13px;color:#6b7280}
@media(min-width:1024px){.sticky{position:sticky;top:90px}}

/* ===== CTA đỏ ===== */
.cta-section{background:#ef4444;color:#fff;margin:40px auto;max-width:1200px;border-radius:12px;padding:24px 20px;box-shadow:0 10px 30px rgba(239,68,68,.25)}
.cta-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.cta-section h3{margin:0 0 6px;font-size:22px}
.cta-section p{margin:0}
.cta-btn{background:#fff;color:#ef4444;text-decoration:none;font-weight:600;border-radius:12px;padding:12px 20px;transition:.2s}
.cta-btn:hover{background:#fff4f4}

/* ===== Responsive ===== */
@media(max-width:992px){
  .container-single{grid-template-columns:1fr}
  .sidebar{margin-top:32px}
  .featured-image img{border-radius:10px}
}
/* ===== Footer FIOTEC ===== */
.fiotec-footer {
  background: #e7f6f8;          /* nền xanh nhạt giống hình */
  padding: 30px 40px;
  color: #004f5e;
  font-size: 14px;
}

.fiotec-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

/* Cột chung */
.fiotec-footer-col {
  flex: 1;
}

/* Cột trái: logo + nút */
.fiotec-footer-logo img {
  max-height: 80px;
  width: auto;
}

.fiotec-footer-slogan {
  margin: 8px 0 16px;
  font-size: 14px;
}

.fiotec-footer-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  background: #ff2b2b;
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  border: 2px solid #ff2b2b;
  transition: .2s;
  white-space: nowrap;
}

.fiotec-footer-btn:hover {
  background: #fff;
  color: #ff2b2b;
}

/* Cột giữa: liên hệ */
.fiotec-footer-title {
  font-weight: 700;
  margin: 0 0 10px;
  color: #e53935; /* tiêu đề đỏ nhẹ */
}

.fiotec-footer-line {
  margin: 4px 0;
  display: flex;
  align-items: flex-start;
  line-height: 1.5;
}

.fiotec-icon {
  width: 22px;
  flex-shrink: 0;
  margin-right: 6px;
}

/* Cột phải: liên kết */
.fiotec-footer-links {
  display: flex;
  gap: 40px;
  justify-content: flex-end;
}

.fiotec-footer-links-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.fiotec-footer-links-group li {
  margin: 6px 0;
  position: relative;
  padding-left: 14px;
}

.fiotec-footer-links-group li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #006b79;
  position: absolute;
  left: 0;
  top: 9px;
}

.fiotec-footer-links-group a {
  text-decoration: none;
  color: #004f5e;
}

.fiotec-footer-links-group a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 1024px) {
  .fiotec-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .fiotec-footer-links {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .fiotec-footer {
    padding: 24px 16px;
  }

  .fiotec-footer-btn {
    width: 100%;
    justify-content: center;
  }
}