/* 1. HERO BANNER */
.service-page .hero-banner {
  position: relative;
  height: 50vh;
  min-height: 500px;
  background-position:center center;
  background-size: cover;
  background-attachment:fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
}

.service-page .hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(4, 37, 136, 0.65);
}

.service-page .hero-content {
  position: relative;
  z-index: 5;
}

.service-page .hero-content h1 {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 1px;
}
/* CONTAINER & GRID */
.service-page .services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  margin-top: 40px;
}

/* THẺ DỊCH VỤ (TỶ LỆ 250 x 450) */
.service-page .service-card {
  position: relative;
  width: 100%;
  aspect-ratio: 250 / 450; /* Cố định chuẩn tỷ lệ ảnh đứng 250x450px */
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}
.service-page .service-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
/* LỚP PHỦ NỀN VÀ NỘI DUNG */
.service-page .service-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 25px 20px;
  /* Lớp phủ tối mờ ở chân ảnh để làm nổi bật tên dịch vụ lúc bình thường */
  background: linear-gradient(to top, rgba(4, 37, 136, 0.9) 0%, rgba(0, 0, 0, 0.4) 40%, transparent 100%);
  transition: background 0.4s ease;
}

/* TÊN DỊCH VỤ */
.service-page .service-title {
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0;
  text-transform: uppercase;
  transition: transform 0.4s ease, margin-bottom 0.4s ease;
}

/* MÔ TẢ NGẮN & NÚT XEM THÊM (ẨN LÚC BÌNH THƯỜNG) */
.service-page .service-desc {
  color: #e0e0e0;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-top: 10px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.4s ease, max-height 0.4s ease;
}

.service-page .service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #ff5722;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  margin-top: 12px;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* HIỆU ỨNG HOVER */
.service-page .service-card:hover img {
  transform: scale(1.08); /* Phóng to ảnh nhẹ */
}

.service-page .service-card:hover .service-overlay {
  /* Phủ màu nền đậm hơn khi hover để đọc chữ rõ hơn */
  background: linear-gradient(to top, rgba(4, 37, 136, 0.95) 0%, rgba(4, 37, 136, 0.75) 70%, rgba(0, 0, 0, 0.3) 100%);
}

.service-page .service-card:hover .service-desc {
  opacity: 1;
  max-height: 150px; /* Hiển thị nội dung mô tả */
}

.service-page .service-card:hover .service-link {
  opacity: 1;
  transform: translateY(0); /* Nút trượt lên nhẹ */
}

/* RESPONSIVE MÀN HÌNH NHỎ */
@media (max-width: 992px) {
  .service-page .services-grid {
    grid-template-columns: repeat(2, 1fr); /* Tablet: 2 cột */
  }
}

@media (max-width: 576px) {
  .service-page .services-grid {
    grid-template-columns: 1fr; /* Mobile: 1 cột */
  }
}
/* CLASS DÙNG CHUNG */
.sec-padding { padding: 50px 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.sec-title { color: #042588; font-size: 1.6rem; font-weight: 700; }
.title-line { width: 50px; height: 3px; background: #ff5722; margin: 8px 0 25px 0; }
.btn { display: inline-block; padding: 10px 24px; border-radius: 6px; font-weight: 600; text-decoration: none; transition: 0.3s; }
.btn-primary { background: #ff5722; color: #fff; border: none; }
.btn-primary:hover { background: #e0481d; }
.btn-outline { border: 2px solid #fff; color: #fff; margin-left: 10px; }
.btn-outline:hover { background: #fff; color: #042588; }
.btn-full { width: 100%; text-align: center; cursor: pointer; }

/* 1. HERO BANNER */
.service-detail-hero {
  background-size:cover;
  padding: 80px 0;
  color: #fff;
  text-align: center;
}
.hero-title { font-size: 2.3rem; margin-bottom: 12px; }
.hero-desc { max-width: 650px; margin: 0 auto 25px; font-size: 1rem; opacity: 0.9; }

/* 2. LAYOUT GRID 2 CỘT */
.service-layout {
  display: grid;
  grid-template-columns: 1fr 340px; /* Cột chính tự giãn, Sidebar 340px */
  gap: 40px;
  align-items: start; /* Cần thiết cho CSS Sticky */
}
.service-layout .main-content {max-width:790px;}
/* --- CỘT TRÁI (MAIN CONTENT) --- */
.service-article p { font-size: 1rem; line-height: 1.7; color: #444; margin-bottom: 15px; }
.service-article h3 { font-size: 1.25rem; color: #042588; margin: 20px 0 10px 0; font-weight: 500;}
.service-article ul { padding-left: 20px; margin-bottom: 25px; }
.service-article li { margin-bottom: 8px; color: #555; }
.article-img { width: 100%; border-radius: 8px; margin: 15px 0 20px 0; }

/* Dự án liên quan Slider */
.section-header { display: flex; justify-content: space-between; align-items: center; }
.slider-controls { display: flex; gap: 8px; }
.slider-btn { width: 36px; height: 36px; border-radius: 50%; border: 1px solid #ccc; background: #fff; cursor: pointer; transition: 0.3s; }
.slider-btn:hover { background: #042588; color: #fff; border-color: #042588; }

.project-card-item img { width: 100%; height: 220px; object-fit: cover; border-radius: 8px; }
.project-card-item h4 { font-size: 0.95rem; color: #042588; margin-top: 10px; }

/* FAQs Accordion */
.faq-sec { margin-top: 20px; }
.faq-item { border: 1px solid #e0e0e0; border-radius: 6px; margin-bottom: 12px; overflow: hidden; }
.faq-header { padding: 15px 20px; background: #f9f9f9; font-weight: 600; color: #042588; display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.faq-body { padding: 15px 20px; display: none; border-top: 1px solid #eee; background: #fff; color: #555; font-size: 0.95rem; line-height: 1.6; }
.faq-item.active .faq-body { display: block; }
.faq-item.active .faq-header i { transform: rotate(45deg); }

/* --- CỘT PHẢI (STICKY SIDEBAR) --- */
.right-sidebar {
  position: -webkit-sticky;
  position: sticky;
  top: 20px; /* Sidebar sẽ đứng yên khi cách mép trên màn hình 20px */
}

.sidebar-box {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 25px;
  border: 1px solid #eef0f5;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
}

.widget-title { font-size: 1.1rem; color: #042588; padding-bottom: 10px; margin-bottom: 15px; border-bottom: 2px solid #ff5722; }

/* Form Sidebar */
.sidebar-quote-form input, .sidebar-quote-form select, .sidebar-quote-form textarea {
  width: 100%; padding: 8px 12px;line-height: 22px; margin-bottom: 12px; border-radius: 4px; border: 1px solid #ccc; font-size: 0.9rem; outline: none; box-sizing: border-box;
}

/* Category List Sidebar */
.category-list { list-style: none; padding: 0; margin: 0; }
.category-list li a {display: block; padding: 8px 0; border-bottom: 1px dashed #eee; color: #555; text-decoration: none; font-size: 0.95rem; transition: 0.3s; }
.category-list li:last-child a {margin-bottom:15px}
.category-list li a:hover, .category-list li a.active { color: #ff5722; }

/* Widget Support */
.widget-support { background: linear-gradient(135deg, #042588, #0a3bbd); color: #fff; text-align: center; }
.widget-support .support-icon { font-size: 2.5rem; color: #ff5722; margin-bottom: 10px; }
.widget-support h3 { font-size: 1.2rem; margin-bottom: 8px; }
.widget-support p { font-size: 0.85rem; opacity: 0.85; margin-bottom: 15px; }
.support-phone { display: inline-block; background: #ff5722; color: #fff; padding: 10px 18px; border-radius: 50px; font-weight: bold; text-decoration: none; }

/* RESPONSIVE */
@media (max-width: 992px) {
  .service-layout { grid-template-columns: 1fr; } /* Chuyển thành 1 cột trên Mobile/Tablet */
  .right-sidebar { position: static; } /* Tắt hiệu ứng Sticky khi màn hình nhỏ */
}
@media (max-width: 768px) {
.service-page .hero-content h1 {font-size: 2.4rem;}
.service-page .service-card {aspect-ratio: 250 / 350;}
.hero-btns .btn{width:auto;height:54px;}
.hero-btns .btn-primary{border:#ff5722 solid 2px;}
}