/* ==========================================================================
   7 NHỊP CẦU MỞ DƯ ĐỊA KINH TẾ MỚI CHO THỦ ĐÔ HÀ NỘI
   E-Magazine Longform & Data Journalism Styling
   Căn giữa hoàn hảo, triệt tiêu tràn ngang 100%, typography báo chí đỉnh cao
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-main: #fcfbf9;
  --bg-surface: #ffffff;
  --bg-dark: #0b111e;
  --bg-dark-card: #141e30;
  --bg-dark-card-border: rgba(229, 169, 60, 0.25);
  --bg-dark-secondary: #0f172a;
  
  --text-main: #1e2530;
  --text-muted: #526071;
  --text-light: #f8fafc;
  --text-light-muted: #94a3b8;
  
  --gold-primary: #e5a93c;
  --gold-light: #f3d082;
  --gold-dark: #b87a1d;
  --gold-gradient: linear-gradient(135deg, #f7d58b 0%, #e5a93c 50%, #b87a1d 100%);
  
  --river-cyan: #00b4d8;
  --river-blue: #0077b6;
  --river-deep: #03045e;
  --river-gradient: linear-gradient(135deg, #00b4d8 0%, #0077b6 100%);
  
  --coral-accent: #e76f51;
  --coral-light: #f4a261;

  /* Typography */
  --font-sans: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  /* Spacing: Cột đọc chuẩn tạp chí quốc tế */
  --container-max-width: 1200px;
  --container-read-width: 840px;
  
  /* Transitions */
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px; /* Tối thiểu 16px, chuẩn 18px */
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.9;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
  margin: 0;
  padding: 0;
}

/* Reading Progress Bar */
.reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(0, 0, 0, 0.08);
  z-index: 1000;
}

.reading-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--gold-gradient);
  box-shadow: 0 0 10px rgba(229, 169, 60, 0.7);
  transition: width 0.1s linear;
}

/* Ambient Visual Glows (Được bọc trong wrapper overflow-hidden, không gây tràn ngang) */
.ambient-glow-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.ambient-glow {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.12;
}

.glow-top {
  top: -100px;
  right: 0;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #00b4d8 0%, #e5a93c 100%);
}

.glow-middle {
  top: 40%;
  left: 0;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #0077b6 0%, transparent 70%);
}

/* Container chính: Căn giữa tuyệt đối */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto !important;
  margin-right: auto !important;
  padding: 0 24px;
}

/* ==========================================================================
   HERO SECTION / MAGAZINE COVER
   ========================================================================== */
.hero-cover {
  position: relative;
  width: 100%;
  max-width: 100vw;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #090e18 0%, #0d1524 60%, #111a2d 100%);
  color: var(--text-light);
  padding: 110px 0 85px;
  overflow: hidden;
}

.hero-parallax-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.hero-svg-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.river-wave-1 {
  animation: riverFlow1 18s ease-in-out infinite alternate;
}

.river-wave-2 {
  animation: riverFlow2 22s ease-in-out infinite alternate;
}

@keyframes riverFlow1 {
  0% { transform: translateY(0) scaleY(1); }
  100% { transform: translateY(-20px) scaleY(1.08); }
}

@keyframes riverFlow2 {
  0% { transform: translateY(0) scaleY(1); }
  100% { transform: translateY(15px) scaleY(0.95); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  max-width: 980px;
  margin-left: auto !important;
  margin-right: auto !important;
  padding: 0 20px;
}

.magazine-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(229, 169, 60, 0.12);
  border: 1px solid rgba(229, 169, 60, 0.35);
  padding: 8px 22px;
  border-radius: 50px;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--gold-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--gold-primary);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

.badge-text {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--gold-light);
  text-transform: uppercase;
}

.main-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.18;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 30%, #f7d58b 70%, #e5a93c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.headline-divider {
  width: 84px;
  height: 4px;
  background: var(--gold-gradient);
  margin: 0 auto 36px;
  border-radius: 2px;
}

/* Sapo / Lead Paragraphs (Căn giữa khung, text justify chuẩn mực) */
.sapo-lead {
  max-width: var(--container-read-width);
  width: 100%;
  margin-left: auto !important;
  margin-right: auto !important;
  margin-bottom: 48px;
  background: rgba(20, 30, 48, 0.7);
  padding: 34px 38px;
  border-radius: 18px;
  border: 1px solid rgba(229, 169, 60, 0.25);
  backdrop-filter: blur(12px);
  text-align: left;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.sapo-paragraph {
  font-size: 1.18rem; /* ~21.2px */
  font-weight: 400;
  color: #f1f5f9;
  line-height: 1.9;
  margin-bottom: 20px;
  text-align: justify;
  text-justify: inter-word;
}

.sapo-paragraph:last-child {
  margin-bottom: 0;
}

/* Fast Stat Overview in Hero */
.hero-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  max-width: 960px;
  width: 100%;
  margin-left: auto !important;
  margin-right: auto !important;
  margin-bottom: 50px;
}

.metric-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(229, 169, 60, 0.25);
  border-radius: 16px;
  padding: 26px 20px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.metric-card:hover {
  transform: translateY(-5px);
  border-color: var(--gold-primary);
  background: rgba(229, 169, 60, 0.08);
}

.metric-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 8px;
}

.metric-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.metric-desc {
  font-size: 0.88rem;
  color: var(--text-light-muted);
  line-height: 1.55;
}

/* Scroll Down Hint */
.scroll-down-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--gold-light);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.85;
}

.mouse-icon {
  width: 26px;
  height: 42px;
  border: 2px solid rgba(229, 169, 60, 0.6);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.wheel {
  width: 4px;
  height: 8px;
  background: var(--gold-primary);
  border-radius: 2px;
  animation: mouseWheel 2s infinite;
}

@keyframes mouseWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ==========================================================================
   ARTICLE WRAPPER & STORY SECTIONS (ĐẢM BẢO HIỂN THỊ 100% NGAY LẬP TỨC)
   ========================================================================== */
.article-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

.story-section {
  width: 100%;
  max-width: 100vw;
  padding: 95px 0;
  position: relative;
  overflow-x: hidden;
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
}

.section-alternate {
  background-color: #f5f4f0;
}

/* Section Header Badges: Cân đối 2 bên, căn giữa tuyệt đối */
.section-header-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 0 auto 16px auto;
  text-align: center;
  max-width: var(--container-read-width);
}

.part-number {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--gold-dark);
  letter-spacing: 2.5px;
  text-transform: uppercase;
}

.part-line {
  height: 2px;
  width: 48px;
  background: var(--gold-gradient);
  flex-shrink: 0;
}

/* Tiêu đề phần: Căn giữa sang trọng */
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 3.8vw, 3rem);
  font-weight: 900;
  color: #0f172a;
  line-height: 1.28;
  margin: 0 auto 44px auto;
  max-width: var(--container-read-width);
  text-align: center;
  letter-spacing: -0.01em;
}

/* CỘT ĐỌC BÀI BÁO: CĂN GIỮA HOÀN TOÀN (MARGIN: 0 AUTO) */
.editorial-body {
  max-width: var(--container-read-width);
  width: 100%;
  margin-left: auto !important;
  margin-right: auto !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.editorial-body p {
  font-size: 1.15rem; /* ~20.7px - Đọc rất thoải mái, vượt chuẩn tối thiểu 16px */
  font-weight: 400;
  color: #242c38;
  line-height: 1.95;
  margin-bottom: 28px;
  text-align: justify;
  text-justify: inter-word;
}

/* Lead Paragraph: Trang trọng, liền mạch tiếng Việt */
.lead-text {
  font-size: 1.25rem !important;
  font-weight: 500 !important;
  color: #0f172a !important;
  line-height: 2 !important;
  letter-spacing: -0.01em;
}

/* Trích dẫn báo chí (Pull-Quote): Căn giữa */
.editorial-quote {
  margin: 44px auto;
  max-width: var(--container-read-width);
  width: 100%;
  padding: 28px 36px;
  border-left: 5px solid var(--gold-primary);
  background: rgba(229, 169, 60, 0.08);
  border-radius: 0 16px 16px 0;
  position: relative;
}

.editorial-quote p {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-style: italic;
  font-weight: 600;
  color: #0f172a;
  line-height: 1.75;
  margin-bottom: 0;
  text-align: justify;
}

/* ==========================================================================
   INFOGRAPHIC FULL-WIDTH EXPANSION (TOÀN MÀN HÌNH - RỘNG RÃI 2 BÊN)
   ========================================================================== */
.infographic-fullwidth-wrap {
  width: 100%;
  max-width: 100vw;
  background: var(--bg-dark);
  margin: 75px 0;
  padding: 65px 0 55px 0;
  border-top: 2px solid rgba(229, 169, 60, 0.35);
  border-bottom: 2px solid rgba(229, 169, 60, 0.35);
  box-shadow: 0 20px 50px rgba(11, 17, 30, 0.35);
  position: relative;
  overflow: hidden;
}

.infographic-fullwidth-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--gold-gradient);
}

.infographic-container {
  width: 100%;
  max-width: 1560px; /* Mở rộng tối đa toàn màn hình để tối ưu không gian hiển thị */
  margin: 0 auto;
  padding: 0 40px;
  background: transparent;
  color: var(--text-light);
  box-shadow: none;
  border: none;
  border-radius: 0;
  position: relative;
}

.infographic-header {
  margin-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 24px;
  text-align: center;
}

.info-tag {
  font-size: 1.08rem; /* ~19.4px - Đạt chuẩn >= 18px */
  font-weight: 800;
  color: var(--gold-light);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.info-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 2.8vw, 2.4rem); /* >= 18px */
  font-weight: 800;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 12px;
}

.info-subtext {
  font-size: 1.15rem; /* ~20.7px - Đạt chuẩn >= 18px */
  color: #cbd5e1;
  font-weight: 400;
}

.infographic-caption {
  margin-top: 32px;
  font-size: 1.05rem; /* ~18.9px - Đạt chuẩn >= 18px */
  color: var(--text-light-muted);
  font-style: italic;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  text-align: center;
}

/* ==========================================================================
   INFOGRAPHIC 1: BẢN ĐỒ & SƠ ĐỒ DỮ LIỆU CÁC MẠCH DẪN (TOÀN MÀN HÌNH)
   ========================================================================== */
.svg-visual-wrapper {
  background: #111a2d;
  border-radius: 18px;
  padding: 32px 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 38px;
  box-shadow: inset 0 2px 25px rgba(0, 0, 0, 0.45);
  width: 100%;
  max-width: 1480px;
  margin-left: auto;
  margin-right: auto;
  overflow: hidden;
}

.data-svg {
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 560px;
  display: block;
}

/* Cỡ chữ trong SVG: TỐI THIỂU 18px */
.svg-river-label {
  font-family: var(--font-sans);
  font-size: 20px; /* >= 18px */
  font-weight: 800;
  fill: #00b4d8;
  letter-spacing: 4px;
  opacity: 0.9;
}

.svg-text-title {
  font-family: var(--font-sans);
  font-size: 20px; /* >= 18px */
  font-weight: 700;
  fill: #ffffff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.svg-text-stat {
  font-family: var(--font-sans);
  font-size: 18px; /* >= 18px */
  font-weight: 600;
  fill: var(--gold-light);
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
}

.bridge-node {
  cursor: pointer;
  transition: transform 0.3s ease;
}

.bridge-node:hover {
  transform: scale(1.08);
}

/* Data Cards Grid for Infographic 1: Mở rộng 3 cột thoáng đãng */
.info-data-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1480px;
  margin: 0 auto;
}

.data-highlight-box {
  background: #151e30;
  border-radius: 16px;
  padding: 30px 28px;
  position: relative;
  border-top: 4px solid var(--gold-primary);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

.data-highlight-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
}

.data-highlight-box.border-gold { border-top-color: var(--gold-primary); }
.data-highlight-box.border-coral { border-top-color: var(--coral-accent); }
.data-highlight-box.border-blue { border-top-color: var(--river-cyan); }

.box-badge {
  font-size: 1.08rem; /* ~19.4px - Đạt tiêu chuẩn >= 18px */
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.box-name {
  font-family: var(--font-serif);
  font-size: 1.75rem; /* >= 18px */
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 20px;
}

.box-stat-row {
  display: flex;
  gap: 24px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 18px;
}

.stat-col {
  flex: 1;
}

.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.4rem; /* >= 18px */
  font-weight: 900;
  color: #ffffff;
  line-height: 1.1;
}

.stat-unit {
  font-size: 1.08rem; /* ~19.4px - Đạt tiêu chuẩn >= 18px */
  color: #cbd5e1;
  font-weight: 500;
}

.box-footnote {
  font-size: 1.05rem; /* ~18.9px - Đạt tiêu chuẩn >= 18px */
  color: var(--text-light-muted);
  line-height: 1.65;
}

/* ==========================================================================
   INFOGRAPHIC 2: HAI TẦNG TUẦN HOÀN KINH TẾ (TOÀN MÀN HÌNH)
   ========================================================================== */
.dual-tier-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 1480px;
  margin: 0 auto;
}

.tier-card {
  background: #141e30;
  border-radius: 18px;
  padding: 36px 32px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
}

.tier-card.core-tier {
  border-left: 6px solid var(--river-cyan);
}

.tier-card.ring-tier {
  border-left: 6px solid var(--gold-primary);
}

.tier-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 20px;
}

.tier-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  flex-shrink: 0;
}

.tier-name {
  font-family: var(--font-serif);
  font-size: 1.55rem; /* >= 18px */
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
}

.tier-role {
  display: block;
  font-size: 1.05rem; /* ~18.9px - Đạt tiêu chuẩn >= 18px */
  color: #cbd5e1;
  font-weight: 500;
  margin-top: 4px;
}

.bridge-detail-item {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 14px;
  padding: 24px 22px;
  margin-bottom: 22px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.bridge-detail-item:last-child {
  margin-bottom: 0;
}

.b-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.b-name {
  font-size: 1.3rem; /* ~23.4px - Đạt tiêu chuẩn >= 18px */
  font-weight: 700;
  color: #ffffff;
}

.b-badge-ppp, .b-badge-core, .b-badge-ring {
  font-size: 1.05rem; /* ~18.9px - Đạt tiêu chuẩn >= 18px */
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 8px;
  letter-spacing: 1px;
}

.b-badge-ppp {
  background: rgba(231, 111, 81, 0.2);
  color: #f4a261;
  border: 1px solid rgba(231, 111, 81, 0.4);
}

.b-badge-core {
  background: rgba(0, 180, 216, 0.2);
  color: var(--river-cyan);
  border: 1px solid rgba(0, 180, 216, 0.4);
}

.b-badge-ring {
  background: rgba(229, 169, 60, 0.2);
  color: var(--gold-light);
  border: 1px solid rgba(229, 169, 60, 0.4);
}

.b-stat-flex {
  display: flex;
  gap: 28px;
  margin-bottom: 16px;
}

.b-metric .metric-val {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.85rem; /* >= 18px */
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1.1;
}

.b-metric .metric-lbl {
  font-size: 1.05rem; /* ~18.9px - Đạt tiêu chuẩn >= 18px */
  color: #cbd5e1;
}

.b-desc {
  font-size: 1.08rem; /* ~19.4px - Đạt tiêu chuẩn >= 18px */
  color: #e2e8f0;
  line-height: 1.8;
}

/* ==========================================================================
   INFOGRAPHIC 3: MA TRẬN 4 TRỤ CỘT TÁC ĐỘNG KINH TẾ (TOÀN MÀN HÌNH)
   ========================================================================== */
.matrix-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1480px;
  margin: 0 auto 36px auto;
}

.matrix-card {
  background: #141e30;
  border-radius: 16px;
  padding: 28px 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.matrix-card:hover {
  transform: translateY(-5px);
  border-color: var(--gold-primary);
  background: #18243a;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
}

.m-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.m-num {
  font-family: var(--font-serif);
  font-size: 2rem; /* >= 18px */
  font-weight: 900;
  color: var(--gold-light);
  opacity: 0.85;
}

.m-icon {
  color: var(--river-cyan);
}

.m-title {
  font-family: var(--font-sans);
  font-size: 1.3rem; /* ~23.4px - Đạt tiêu chuẩn >= 18px */
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.m-core-value {
  font-size: 1.08rem; /* ~19.4px - Đạt tiêu chuẩn >= 18px */
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 14px;
  line-height: 1.45;
}

.m-text {
  font-size: 1.05rem; /* ~18.9px - Đạt tiêu chuẩn >= 18px */
  color: #cbd5e1;
  line-height: 1.75;
}

/* Paradigm Shift Comparison Banner */
.paradigm-shift-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(90deg, rgba(231, 111, 81, 0.15) 0%, rgba(0, 180, 216, 0.15) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 26px 36px;
  gap: 24px;
  max-width: 1480px;
  margin: 0 auto;
}

.shift-item {
  flex: 1;
  min-width: 280px;
}

.shift-label {
  display: block;
  font-size: 1.05rem; /* ~18.9px - Đạt tiêu chuẩn >= 18px */
  font-weight: 800;
  color: #fca5a5;
  letter-spacing: 1.5px;
  margin-bottom: 4px;
}

.shift-desc {
  font-size: 1.12rem; /* ~20px - Đạt tiêu chuẩn >= 18px */
  color: #ffffff;
  font-weight: 600;
  line-height: 1.55;
}

.shift-arrow {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--gold-light);
  flex-shrink: 0;
}

.shift-new .shift-label {
  color: #67e8f9;
}

/* ==========================================================================
   2 Ô ẢNH (EDITORIAL MEDIA FRAMES) - CĂN GIỮA HOÀN TOÀN
   ========================================================================== */
.media-placeholder-frame,
.editorial-media-frame {
  margin: 56px auto !important;
  max-width: var(--container-read-width);
  width: 100%;
}

.media-image-wrapper {
  position: relative;
  width: 100%;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(11, 17, 30, 0.16);
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #0b111e;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.media-image-wrapper:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px rgba(11, 17, 30, 0.24);
}

.editorial-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.media-image-wrapper:hover .editorial-image {
  transform: scale(1.025);
}

.placeholder-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(145deg, #101826 0%, #172336 100%);
  border: 2px dashed rgba(229, 169, 60, 0.45);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 30px;
  text-align: center;
  color: var(--text-light);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.12);
  transition: var(--transition-smooth);
}

.placeholder-box:hover {
  border-color: var(--gold-primary);
  background: linear-gradient(145deg, #131c2c 0%, #1c2b42 100%);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.2);
}

.placeholder-icon-wrapper {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(229, 169, 60, 0.12);
  border: 1px solid rgba(229, 169, 60, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--gold-light);
}

.placeholder-camera-svg {
  width: 36px;
  height: 36px;
}

.placeholder-title {
  font-family: var(--font-serif);
  font-size: 1.35rem; /* ~24px */
  font-weight: 800;
  color: var(--gold-light);
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}

.placeholder-description {
  font-size: 1.05rem; /* ~18.9px */
  color: #cbd5e1;
  max-width: 580px;
  line-height: 1.6;
  margin-bottom: 18px;
}

.placeholder-tag {
  font-family: monospace;
  font-size: 0.95rem;
  background: rgba(0, 0, 0, 0.35);
  padding: 6px 14px;
  border-radius: 6px;
  color: #94a3b8;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.editorial-caption {
  margin-top: 14px;
  font-size: 1.02rem; /* ~18.3px */
  color: var(--text-muted);
  line-height: 1.6;
  font-style: italic;
  text-align: center;
}

.caption-marker {
  font-weight: 700;
  color: #0f172a;
  font-style: normal;
}

/* ==========================================================================
   CONCLUSION BOX & AUTHOR SIGNATURE (CĂN GIỮA)
   ========================================================================== */
.editorial-conclusion-box {
  margin: 50px auto !important;
  max-width: var(--container-read-width);
  width: 100%;
  padding: 38px 40px;
  background: linear-gradient(135deg, #0b111e 0%, #152238 100%);
  border-radius: 18px;
  border-left: 6px solid var(--gold-primary);
  box-shadow: 0 16px 36px rgba(11, 17, 30, 0.25);
  text-align: center;
}

.conclusion-text {
  font-family: var(--font-serif);
  font-size: 1.32rem !important; /* ~23.7px */
  font-weight: 700 !important;
  color: #ffffff !important;
  line-height: 1.85 !important;
  margin-bottom: 0 !important;
  text-align: justify;
}

.author-signature {
  margin: 56px auto 0 auto !important;
  max-width: var(--container-read-width);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 24px;
}

.signature-line {
  width: 70px;
  height: 3px;
  background: var(--gold-gradient);
  margin-bottom: 18px;
}

.author-name {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 900;
  color: #0f172a;
  letter-spacing: 0.5px;
}

.article-meta {
  font-size: 1.05rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.editorial-footer {
  background: #090e18;
  color: var(--text-light);
  padding: 60px 0 50px;
  border-top: 1px solid rgba(229, 169, 60, 0.2);
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--gold-light);
}

.footer-text {
  font-size: 1.05rem;
  color: var(--text-light-muted);
}

.footer-top-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(229, 169, 60, 0.15);
  border: 1px solid var(--gold-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  cursor: pointer;
  margin-top: 12px;
  transition: var(--transition-smooth);
}

.footer-top-btn:hover {
  background: var(--gold-primary);
  color: #0b111e;
  transform: translateY(-4px);
}

/* ==========================================================================
   SCROLL ANIMATION & TRANSITIONS (AN TOÀN - KHÔNG ẨN NỘI DUNG CHÍNH)
   ========================================================================== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 1200px) {
  .matrix-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .hero-metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
  }

  .info-data-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .infographic-container {
    padding: 0 24px;
  }
}

@media (max-width: 900px) {
  .dual-tier-grid {
    grid-template-columns: 1fr;
  }

  .info-data-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 17px;
  }

  .hero-cover {
    padding: 75px 0 55px;
    min-height: auto;
  }

  .hero-metrics-grid {
    grid-template-columns: 1fr;
  }

  .sapo-lead {
    padding: 26px 20px;
  }

  .infographic-fullwidth-wrap {
    padding: 45px 0 35px 0;
    margin: 45px 0;
  }

  .infographic-container {
    padding: 0 16px;
  }

  .matrix-grid-4 {
    grid-template-columns: 1fr;
  }

  .paradigm-shift-banner {
    flex-direction: column;
    text-align: center;
    padding: 20px 18px;
  }

  .shift-arrow {
    transform: rotate(90deg);
    margin: 6px 0;
  }

  .b-title-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .b-stat-flex {
    flex-direction: column;
    gap: 8px;
  }

  .editorial-body p {
    text-align: left;
  }

  .lead-text {
    font-size: 1.15rem !important;
  }
}