/* ==========================================================================
   EMAGAZINE DESIGN SYSTEM: VÙNG PHÁT THẢI THẤP HÀ NỘI
   Journalistic Data Storytelling - Mobile & Desktop Responsive
   ========================================================================== */

:root {
  /* Color Palette */
  --primary-deep: #072a22;       /* Deep forest green */
  --primary-dark: #0f3d32;       /* Dark emerald */
  --primary: #125e4c;            /* Classic emerald */
  --primary-accent: #10b981;     /* Vibrant mint */
  --primary-light: #e8f5f0;      /* Light mint background */
  --primary-ultra-light: #f4fbf8;

  --accent-gold: #c28833;        /* Warm bronze / editorial gold */
  --accent-gold-light: #fef7ec;
  
  --text-main: #182220;          /* High contrast charcoal */
  --text-muted: #4b5d57;         /* Editorial secondary text */
  --text-light: #ffffff;         /* Pure white */
  --bg-page: #fbfdfc;            /* Warm editorial paper white */
  --bg-surface: #ffffff;         /* Card surface */
  
  --border-light: rgba(18, 94, 76, 0.12);
  --border-medium: rgba(18, 94, 76, 0.22);
  --shadow-sm: 0 4px 16px rgba(7, 42, 34, 0.05);
  --shadow-md: 0 10px 30px rgba(7, 42, 34, 0.08);
  --shadow-lg: 0 20px 45px rgba(7, 42, 34, 0.12);

  /* Typography */
  --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Be Vietnam Pro', Georgia, serif;
  --font-data: 'Plus Jakarta Sans', monospace, sans-serif;

  /* Sizing & Spacing */
  --container-narrow: 840px;     /* Ideal line length for longform reading */
  --container-wide: 1200px;      /* Infographics & media */
  --container-fluid: 1400px;
}

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

html {
  font-size: 18px; /* High legibility baseline */
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-page);
  color: var(--text-main);
}

body {
  font-family: var(--font-body);
  font-size: 1.05rem; /* ~19px */
  line-height: 1.85;
  color: var(--text-main);
  background-color: var(--bg-page);
  overflow-x: hidden;
  position: relative;
}

/* Reading Progress Bar */
.reading-progress-track {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(0, 0, 0, 0.05);
  z-index: 9999;
}

.reading-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #10b981, #059669, #047857);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
  transition: width 0.1s ease-out;
}

/* Editorial Floating Header Bar */
.editorial-nav-bar {
  position: fixed;
  top: 4px;
  left: 0;
  width: 100%;
  padding: 12px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 999;
  background: rgba(251, 253, 252, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transform: translateY(-100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.editorial-nav-bar.visible {
  transform: translateY(0);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary-deep);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-brand .dot {
  width: 8px;
  height: 8px;
  background: var(--primary-accent);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s infinite;
}

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

.nav-title-peek {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 50vw;
}

/* ==========================================================================
   HERO COVER SECTION
   ========================================================================== */
.hero-cover {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 100px 24px 60px;
  color: var(--text-light);
  background: linear-gradient(180deg, rgba(7, 42, 34, 0.72) 0%, rgba(7, 42, 34, 0.88) 100%),
              url('../assets/images/hoan_kiem_green.jpg') center/cover no-repeat;
  background-attachment: fixed;
  text-align: center;
  overflow: hidden;
}

.hero-cover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1080px;
  margin: 0 auto;
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.special-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 20px;
  border-radius: 99px;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #a7f3d0;
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

.hero-title span.highlight {
  background: linear-gradient(135deg, #a7f3d0, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

/* Sapo / Lead In Hero */
.hero-sapo {
  background: rgba(7, 42, 34, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-left: 4px solid var(--primary-accent);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  padding: 30px 36px;
  border-radius: 0 16px 16px 0;
  text-align: left;
  margin: 0 auto 36px;
  max-width: 900px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3);
}

.hero-sapo p {
  font-size: 1.22rem;
  line-height: 1.8;
  color: #f1fbf7;
  font-weight: 400;
  margin-bottom: 16px;
}

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

.scroll-indicator {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2.2s infinite;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
  stroke: var(--primary-accent);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(8px); }
  60% { transform: translateY(4px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(35px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   ARTICLE LAYOUT & TYPOGRAPHY
   ========================================================================== */
.article-container {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

.article-container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 24px;
}

/* Chapter / Part Section Headers */
.chapter-section {
  padding: 90px 0 30px;
  position: relative;
}

.chapter-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 7px 18px;
  border-radius: 99px;
  border: 1px solid var(--border-medium);
  margin-bottom: 20px;
}

.chapter-title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.22;
  color: var(--primary-deep);
  letter-spacing: -0.015em;
  margin-bottom: 38px;
  position: relative;
}

.chapter-title::after {
  content: '';
  display: block;
  width: 72px;
  height: 4px;
  background: var(--primary-accent);
  border-radius: 2px;
  margin-top: 18px;
}

/* Prose Text */
.prose {
  font-size: 1.08rem;
  line-height: 1.9;
  color: var(--text-main);
}

.prose p {
  margin-bottom: 26px;
  text-align: justify;
  text-justify: inter-word;
}

/* Drop Cap on Part Initial Paragraphs */
.dropcap::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 4.8rem;
  line-height: 0.82;
  font-weight: 800;
  padding-right: 14px;
  padding-top: 6px;
  color: var(--primary);
}

/* Editorial Pull Quotes */
.editorial-quote {
  position: relative;
  margin: 48px 0;
  padding: 32px 36px 32px 42px;
  background: var(--primary-ultra-light);
  border-left: 5px solid var(--primary);
  border-radius: 0 16px 16px 0;
  box-shadow: var(--shadow-sm);
}

.editorial-quote::before {
  content: "“";
  position: absolute;
  top: 10px;
  left: 14px;
  font-family: var(--font-display);
  font-size: 4.5rem;
  line-height: 1;
  color: rgba(18, 94, 76, 0.15);
  pointer-events: none;
}

.editorial-quote p {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 600;
  line-height: 1.68;
  color: var(--primary-deep);
  margin-bottom: 14px;
  text-align: left;
}

.editorial-quote cite {
  display: block;
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   PHOTOJOURNALISM FIGURE / MEDIA
   ========================================================================== */
.editorial-media-wrapper {
  margin: 54px 0 64px;
  width: 100%;
}

.editorial-figure {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.editorial-figure:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.figure-image-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.figure-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.editorial-figure:hover .figure-image-container img {
  transform: scale(1.025);
}

.figure-caption {
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
}

.caption-text {
  font-size: 0.96rem;
  color: var(--text-muted);
  font-style: italic;
  flex: 1;
}

.caption-badge {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 5px 12px;
  border-radius: 6px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ==========================================================================
   INFOGRAPHICS: DATA JOURNALISM (SVG, PURE DATA, MINIMAL TEXT, >= 18px)
   ========================================================================== */
.infographic-wrapper {
  margin: 64px 0 76px;
  background: linear-gradient(135deg, #072a22 0%, #0d382e 100%);
  border-radius: 24px;
  padding: 44px 38px;
  color: #ffffff;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.infographic-wrapper::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.infographic-header {
  margin-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 24px;
}

.infographic-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.95rem; /* >= 18px equivalent check: 0.95 * 18px = 17.1, let's ensure 18px */
  font-size: 1.05rem; /* ~19px */
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #34d399;
  margin-bottom: 10px;
}

.infographic-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 10px;
}

.infographic-subtitle {
  font-size: 1.05rem; /* 19px - strictly >= 18px */
  color: #d1fae5;
  line-height: 1.6;
}

/* Infographic Grid & Cards */
.info-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-bottom: 34px;
}

.info-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  padding: 26px 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.info-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(52, 211, 153, 0.4);
}

.info-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.info-card-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-card-icon svg {
  width: 26px;
  height: 26px;
  stroke: #34d399;
}

.info-card-badge {
  font-family: var(--font-display);
  font-size: 1.0rem; /* strictly 18px */
  font-weight: 700;
  color: #a7f3d0;
  background: rgba(16, 185, 129, 0.15);
  padding: 4px 10px;
  border-radius: 6px;
}

.info-card-number {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.info-card-number span.unit {
  font-size: 1.25rem;
  font-weight: 600;
  color: #34d399;
  margin-left: 4px;
}

.info-card-label {
  font-family: var(--font-display);
  font-size: 1.05rem; /* ~19px - strictly >= 18px */
  font-weight: 600;
  color: #ecfdf5;
  line-height: 1.45;
}

.info-card-detail {
  font-size: 1.0rem; /* strictly 18px */
  color: #a7f3d0;
  margin-top: 8px;
  line-height: 1.4;
}

/* Secondary Infographic Block (Schematics / Highlights) */
.info-flow-box {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 28px 26px;
  margin-top: 24px;
}

.info-flow-title {
  font-family: var(--font-display);
  font-size: 1.2rem; /* >18px */
  font-weight: 700;
  color: #34d399;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.flow-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  position: relative;
}

.flow-step-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.flow-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-accent);
  color: #072a22;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-step-text {
  font-family: var(--font-display);
  font-size: 1.05rem; /* ~19px >= 18px */
  font-weight: 600;
  color: #ffffff;
  line-height: 1.4;
}

.flow-step-sub {
  font-size: 1.0rem; /* 18px */
  color: #a7f3d0;
  line-height: 1.4;
}

/* 6 Gates Filter Visualizer (Part 2 Infographic) */
.gate-chips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.gate-chip {
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.gate-chip svg {
  width: 24px;
  height: 24px;
  stroke: #34d399;
  flex-shrink: 0;
}

.gate-name {
  font-family: var(--font-display);
  font-size: 1.02rem; /* strictly >= 18px */
  font-weight: 700;
  color: #ffffff;
}

/* Timeline / Status bar in Infographic */
.infographic-timeline {
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 18px 24px;
  margin-top: 26px;
  border-left: 4px solid #34d399;
}

.timeline-date {
  font-family: var(--font-display);
  font-size: 1.25rem; /* > 18px */
  font-weight: 800;
  color: #34d399;
  white-space: nowrap;
}

.timeline-desc {
  font-family: var(--font-display);
  font-size: 1.02rem; /* strictly >= 18px */
  font-weight: 600;
  color: #f1fbf7;
  line-height: 1.45;
}

/* ==========================================================================
   SECTION TRANSITION / DIVIDER
   ========================================================================== */
.section-transition-divider {
  padding: 60px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.transition-line {
  width: 120px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-accent), transparent);
  margin-bottom: 18px;
}

.transition-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
}

.transition-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--primary);
}

/* ==========================================================================
   CONCLUSION & BYLINE
   ========================================================================== */
.conclusion-box {
  margin: 60px auto 40px;
  padding: 40px 44px;
  background: linear-gradient(180deg, #f4fbf8 0%, #ffffff 100%);
  border-radius: 20px;
  border: 1px solid var(--border-medium);
  border-left: 6px solid var(--primary);
  box-shadow: var(--shadow-sm);
}

.conclusion-box p {
  font-size: 1.15rem;
  line-height: 1.85;
  color: var(--primary-deep);
  font-weight: 500;
  margin-bottom: 22px;
}

.conclusion-box p:last-child {
  margin-bottom: 0;
}

.article-byline {
  margin: 50px 0 70px;
  padding-top: 30px;
  border-top: 2px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.author-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-avatar-badge {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary-dark);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(7, 42, 34, 0.2);
}

.author-meta .byline-role {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.author-meta .author-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-deep);
}

.journal-stamp {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid var(--border-medium);
  padding: 8px 16px;
  border-radius: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.editorial-footer {
  background: var(--primary-deep);
  color: #ffffff;
  padding: 60px 24px 50px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-content {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #a7f3d0;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 0.98rem;
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-copy {
  font-size: 0.85rem;
  color: #64748b;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
}

/* ==========================================================================
   SCROLL ANIMATIONS
   ========================================================================== */
.fade-up-element {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.fade-up-element.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 992px) {
  html {
    font-size: 17px;
  }
  
  .hero-cover {
    padding: 90px 20px 50px;
    background-attachment: scroll; /* Smoother on mobile/tablet */
  }

  .infographic-wrapper {
    padding: 34px 24px;
  }

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

@media (max-width: 640px) {
  html {
    font-size: 16px; /* Ensuring body text never falls below 16px */
  }

  body {
    font-size: 1.05rem; /* ~16.8px - strictly >= 16px */
    line-height: 1.8;
  }

  .prose p {
    text-align: left; /* Better readability on small screens */
  }

  .hero-sapo {
    padding: 22px 20px;
    border-radius: 0 12px 12px 0;
  }

  .hero-sapo p {
    font-size: 1.1rem;
  }

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

  .flow-steps-grid {
    grid-template-columns: 1fr;
  }

  .gate-chips-grid {
    grid-template-columns: 1fr 1fr;
  }

  .infographic-timeline {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .article-byline {
    flex-direction: column;
    align-items: flex-start;
  }

  .dropcap::first-letter {
    font-size: 4rem;
    padding-right: 10px;
  }
}