/* ==========================================================================
   linhvuc-detail.css — Trang chi tiết Lĩnh vực ("Thi công & Xây lắp")
   Figma: file ĐÔNG SƠN WEBSITE — frame 1484:2784 (nội dung 1484:2838)
   Thông số bám sát design (font-size / color / spacing lấy từ get_design_context).
   Palette phụ của trang: heading #191c1d · body #59413f · label #5f5e5e
   ========================================================================== */

/* ===== Section 1: HeroBanner — nền gradient đỏ→đen (không dùng ảnh) ===== */
.lv-hero {
  position: relative;
  min-height: 619px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
  background: var(--dsh-navy, #080f1d);
}

/* Ảnh nền hero (nút giao cao tốc) */
.lv-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

/* Lớp phủ gradient: hiện ảnh phía trên → đỏ brand phía dưới */
.lv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(8, 15, 29, 0.72) 0%,
    rgba(58, 10, 18, 0.86) 55%,
    var(--dsh-red, #9a1220) 100%
  );
}

.lv-hero-breadcrumb {
  position: absolute;
  top: 104px;
  left: clamp(16px, 8vw, 131px);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  line-height: 19.5px;
  z-index: 1;
}

.lv-hero-breadcrumb a { color: rgba(255, 255, 255, 0.5); text-decoration: none; transition: color 0.2s ease; }
.lv-hero-breadcrumb a:hover { color: #ffffff; }
.lv-hero-breadcrumb .bc-current { color: var(--dsh-gold, #c9a84c); }
.lv-hero-breadcrumb .bc-sep { color: rgba(255, 255, 255, 0.4); font-size: 11px; }

.lv-hero-content { text-align: center; color: #ffffff; padding-block: 40px; max-width: 900px; }

.lv-hero-eyebrow { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 20px; }

.lv-hero-eyebrow span {
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--dsh-gold, #c9a84c);
}

.lv-hero-eyebrow::before,
.lv-hero-eyebrow::after { content: ""; width: 48px; height: 1px; background: var(--dsh-gold, #c9a84c); }

.lv-hero-title {
  font-weight: 800;
  font-size: clamp(2.5rem, 5.5vw, 60px);
  line-height: 1.1;
  letter-spacing: -1px;
  margin: 0;
}

.lv-hero-subtitle {
  margin: 20px auto 32px;
  max-width: 760px;
  font-size: clamp(1rem, 1.4vw, 18px);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
}

.lv-hero-actions { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 12px; }
.lv-hero-actions .btn { display: inline-flex; align-items: center; gap: 8px; }
.lv-hero-actions .btn-arrow { width: 14px; height: 14px; flex: none; }

/* ===== Section 2: Narrative Heritage — split 50/50, min-height 800px ===== */
.lv-intro { padding: 0; }
.lv-intro > .row { --bs-gutter-x: 0; min-height: 800px; }

/* Cột trái: ảnh tối + overlay năm (bg #2e3132) */
.lv-legacy-visual {
  position: relative;
  background: #2e3132;
  overflow: hidden;
  isolation: isolate;
  display: flex;
}

.lv-legacy-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  z-index: -2;
}

/* Gradient ngang: trái đậm → phải trong suốt (như Figma) */
.lv-legacy-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(46, 49, 50, 0.85) 0%, rgba(46, 49, 50, 0) 100%);
}

.lv-legacy-caption {
  margin-top: auto;
  padding: clamp(28px, 3.4vw, 64px);
  color: #ffffff;
}

.lv-legacy-year {
  display: block;
  font-weight: 700;
  font-size: clamp(3rem, 4.5vw, 72px);
  line-height: 1;
  color: rgba(255, 255, 255, 0.61);
  margin-bottom: 8px;
}

.lv-legacy-caption h3 {
  font-weight: 600;
  font-size: clamp(1.5rem, 2vw, 32px);
  line-height: 1.5;
  margin: 0 0 12px;
}

.lv-legacy-caption p {
  margin: 0;
  max-width: 448px;
  font-size: 16px;
  line-height: 24px;
  color: rgba(255, 255, 255, 0.8);
}

/* Cột phải: quote (bg #f8f9fa, padding 120px, canh giữa) */
.lv-quote-panel {
  background: #f8f9fa;
  padding: clamp(40px, 6.25vw, 120px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.lv-quote-inner { max-width: 576px; width: 100%; }

.lv-quote-mark {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 80px;
  line-height: 0.6;
  color: var(--dsh-red, #9a1220);
  display: block;
  margin-bottom: 8px;
}

.lv-quote-text {
  font-weight: 600;
  font-size: clamp(1.5rem, 2.4vw, 36px);
  line-height: 1.25;
  color: #191c1d;
  margin: 0 0 24px;
}

/* Section 2 — stat trong panel trích dẫn: theo Figma là số đỏ 48px + nhãn hoa,
   chia cách bằng gap (KHÔNG gạch đỏ dọc như Section 3). */
.lv-quote-panel .lv-stats {
  gap: clamp(32px, 3.4vw, 48px);
  border-top: 1px solid #e1e3e4;
  padding-top: 41px;
}

.lv-quote-panel .lv-stat-label {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 1.6px;
}

/* ===== Stat block dùng chung (số đỏ + nhãn) ===== */
.lv-stats { display: flex; gap: clamp(24px, 3vw, 48px); }

.lv-stat .lv-stat-num {
  display: block;
  font-weight: 600;
  font-size: clamp(2rem, 3vw, 48px);
  line-height: 1.1;
  color: var(--dsh-red, #9a1220);
}

.lv-stat .lv-stat-label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #5f5e5e;
}

/* Biến thể có gạch đỏ bên trái (section 3) */
.lv-stat--bar { padding-left: 18px; border-left: 2px solid var(--dsh-red, #9a1220); }
.lv-stat--bar .lv-stat-label { font-weight: 500; letter-spacing: 0.6px; }

/* ===== Section 3: Kế Thừa Di Sản — text 24px #59413f + ảnh ===== */
.lv-heritage h2 {
  font-weight: 700;
  font-size: clamp(1.75rem, 2.4vw, 32px);
  line-height: 1.2;
  color: #191c1d;
  margin-bottom: 24px;
}

.lv-heritage p {
  font-size: clamp(1rem, 1.35vw, 24px);
  line-height: 1.33;
  color: #59413f;
  margin-bottom: 20px;
}

.lv-heritage .lv-stats { margin-top: 32px; }

.lv-heritage-visual {
  height: 600px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e7e8e9;
  background: #f3f4f5;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.1);
}

.lv-heritage-visual img { width: 100%; height: 100%; object-fit: cover; }

/* ===== Section 4: Năng Lực Cốt Lõi — grid bento ===== */
.lv-capability .lv-cap-head { max-width: 768px; margin-bottom: 48px; }

.lv-capability h2 {
  font-weight: 700;
  font-size: clamp(1.75rem, 2.4vw, 32px);
  line-height: 1.2;
  color: #191c1d;
  margin-bottom: 12px;
}

.lv-capability .lv-lead {
  font-size: clamp(1rem, 1.2vw, 20px);
  line-height: 1.28;
  color: #59413f;
  margin: 0;
}

/* Grid bento: cột lớn 8/12 (2 hàng) + 2 card 4/12 */
.lv-cap-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 250px;
  gap: 8px;
}

.lv-cap-grid .cap-large { grid-column: span 8; grid-row: span 2; }
.lv-cap-grid .cap-small { grid-column: span 4; }

.lv-cap-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
  padding: 24px;
  border: 1px solid #e7e8e9;
  border-radius: 8px;
  overflow: hidden;
  isolation: isolate;
  color: #ffffff;
  background: #f8f9fa;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.lv-cap-card:hover { transform: translateY(-6px); box-shadow: 0 1rem 2.5rem rgba(8, 15, 29, .18); }

.lv-cap-card img.lv-cap-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

/* Card lớn: gradient đen từ dưới lên */
.cap-large::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(0deg, #000 0%, rgba(0, 0, 0, 0) 60%);
}

/* Card ảnh xám (Công nghiệp) — grayscale + overlay tối để chữ đọc được */
.lv-cap-card--gray { padding: 25px; }
.lv-cap-card--gray img.lv-cap-bg { filter: grayscale(1) contrast(1.05); }
.lv-cap-card--gray::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 20%, rgba(0, 0, 0, 0.85) 100%);
}

/* Card nền xám đặc (Dân dụng) — không ảnh, chữ tối */
.lv-cap-card--plain { padding: 25px; color: #191c1d; background: #c7c7c7; }

.lv-cap-icon { margin-bottom: 8px; }
.lv-cap-icon img { width: 24px; height: 24px; display: block; }
.cap-large .lv-cap-icon img { width: 23.75px; height: 23.75px; }

.lv-cap-card h3 {
  font-weight: 600;
  font-size: 20px;
  line-height: 28px;
  margin: 0 0 8px;
}

/* Mô tả card lớn: 16px sáng; card nhỏ: 12px nâu */
.cap-large p {
  margin: 0;
  max-width: 512px;
  font-size: 16px;
  line-height: 25.6px;
  color: #e1e3e4;
}

.cap-small p {
  margin: 0;
  font-weight: 500;
  font-size: 12px;
  line-height: 1.4;
  color: #59413f;
}

.lv-cap-card--gray.cap-small p { color: #e1e3e4; }

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .lv-intro > .row { min-height: 0; }
  .lv-legacy-visual { min-height: 380px; }
  .lv-heritage-visual { height: 380px; }

  .lv-cap-grid { grid-auto-rows: auto; }
  .lv-cap-grid .cap-large,
  .lv-cap-grid .cap-small { grid-column: 1 / -1; grid-row: auto; }
  .lv-cap-card { min-height: 240px; }
}