/* ===== r.777 - Original Design System ===== */
/* Color Palette: Deep navy + emerald green + warm gold accents */

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.92);
  --accent-1: #10b981;
  --accent-2: #059669;
  --accent-3: #f59e0b;
  --accent-4: #d97706;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-glow: rgba(16, 185, 129, 0.35);
  --border-subtle: rgba(148, 163, 184, 0.12);
  --shadow-glow: 0 0 0 1px rgba(16, 185, 129, 0.2), 0 0 20px rgba(16, 185, 129, 0.08);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-stack: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans Bengali", sans-serif;
  --max-width: 1180px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-stack);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--accent-1);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-3);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===== HEADER - STABLE SINGLE LINE ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glow);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 72px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
}

.brand-wrap {
  width: 168px;
  min-width: 168px;
  max-width: 168px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}

.brand-mark svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

.brand-text {
  min-width: 0;
  line-height: 1.05;
}

.brand-text strong {
  display: block;
  max-width: 105px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 18px;
  font-weight: 800;
  color: var(--accent-1);
  letter-spacing: -0.5px;
}

.brand-text span {
  display: block;
  max-width: 105px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.primary-nav {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 1.2vw, 22px);
  overflow: visible;
  flex-wrap: nowrap;
}

.primary-nav a {
  white-space: nowrap;
  flex: 0 1 auto;
  max-width: 128px;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1;
  padding: 10px 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
  border-bottom: 2px solid transparent;
}

.primary-nav a:hover {
  color: var(--text-primary);
}

.primary-nav a.active {
  color: var(--accent-1);
  border-bottom-color: var(--accent-1);
}

/* More Menu */
.nav-more {
  position: relative;
  flex: 0 0 auto;
}

.more-toggle {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border-glow);
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 185, 129, 0.08);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-stack);
  transition: all 0.2s;
}

.more-toggle:hover {
  background: rgba(16, 185, 129, 0.15);
  color: var(--text-primary);
}

.more-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  min-width: 210px;
  padding: 10px;
  border-radius: 16px;
  z-index: 1200;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  box-shadow: var(--shadow-card);
}

.more-menu[hidden] {
  display: none !important;
}

.nav-more.is-open .more-menu {
  display: grid;
  gap: 4px;
}

.more-menu a {
  display: block;
  width: 100%;
  max-width: none;
  padding: 11px 12px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  text-decoration: none;
}

.more-menu a:hover {
  background: rgba(16, 185, 129, 0.1);
  color: var(--text-primary);
}

/* Header Actions */
.header-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.header-actions .btn {
  min-height: 42px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s;
}

.btn-register {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.25);
}

.btn-register:hover {
  box-shadow: 0 0 24px rgba(16, 185, 129, 0.4);
  transform: translateY(-1px);
  color: #fff;
}

.btn-login {
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-3);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.btn-login:hover {
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-3);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ===== CONTAINER ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HERO SECTIONS ===== */
.hero-home {
  padding: 100px 0 60px;
  background: radial-gradient(ellipse at 20% 50%, rgba(16, 185, 129, 0.12), transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(245, 158, 11, 0.08), transparent 40%);
}

.hero-inner {
  padding: 80px 0 50px;
  background: radial-gradient(ellipse at 30% 50%, rgba(16, 185, 129, 0.08), transparent 50%);
}

.hero-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-1);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-cta .btn {
  min-height: 48px;
  padding: 0 28px;
  font-size: 15px;
}

/* ===== BREADCRUMB ===== */
.breadcrumb-wrap {
  padding: 16px 0 0;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  list-style: none;
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--accent-1);
}

.breadcrumb-sep {
  color: var(--text-muted);
}

/* ===== CARDS ===== */
.card-glass {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
  padding: 28px;
}

.card-dark {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 28px;
}

.card-highlight {
  border-left: 4px solid var(--accent-1);
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.04));
  padding: 20px 24px;
  border-radius: var(--radius-md);
}

/* ===== SECTION SYSTEM ===== */
.content-section {
  padding: 72px 0;
}

.section-alt {
  background: rgba(17, 24, 39, 0.5);
}

.section-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-1);
  font-weight: 700;
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
}

.section-desc {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-secondary);
  max-width: 820px;
}

/* ===== CONTENT GRIDS ===== */
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 36px;
  align-items: start;
}

.content-grid-reverse {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(0, 1.05fr);
  gap: 36px;
  align-items: start;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ===== PROSE - LONG TEXT ===== */
.prose {
  max-width: 820px;
}

.prose p {
  font-size: 17px;
  line-height: 1.9;
  margin: 0 0 18px;
  color: var(--text-secondary);
}

.prose h2 {
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.25;
  margin: 48px 0 18px;
  font-weight: 800;
  color: var(--text-primary);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  font-size: clamp(18px, 2vw, 26px);
  line-height: 1.35;
  margin: 32px 0 12px;
  font-weight: 700;
  color: var(--text-primary);
}

.prose ul, .prose ol {
  padding-left: 24px;
  margin: 0 0 18px;
}

.prose li {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.prose a {
  color: var(--accent-1);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(16, 185, 129, 0.3);
  text-underline-offset: 3px;
}

.prose a:hover {
  text-decoration-color: var(--accent-1);
}

/* ===== IMAGE BLOCKS ===== */
.img-block {
  margin: 36px 0;
  text-align: center;
}

.img-block img {
  width: 100%;
  max-width: 960px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow);
  box-shadow: var(--shadow-glow);
  margin: 0 auto;
}

.img-inline {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  margin: 24px 0;
}

/* ===== FEATURE ICONS ===== */
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.12));
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--accent-1);
  font-size: 22px;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}

.feature-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 20px;
}

/* ===== STEPS ===== */
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
  flex-shrink: 0;
}

.step-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

/* ===== FAQ ACCORDION ===== */
.faq-section {
  padding: 60px 0;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--bg-card);
}

.faq-question {
  width: 100%;
  padding: 18px 24px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-stack);
  line-height: 1.5;
}

.faq-question::after {
  content: "+";
  font-size: 22px;
  font-weight: 300;
  color: var(--accent-1);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.3s;
}

.faq-item.is-open .faq-question::after {
  content: "−";
}

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-secondary);
}

.faq-item.is-open .faq-answer {
  display: block;
}

/* ===== TABLE ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.data-table th, .data-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 15px;
}

.data-table th {
  color: var(--accent-1);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table td {
  color: var(--text-secondary);
}

.data-table tr:hover td {
  background: rgba(16, 185, 129, 0.04);
}

/* ===== CTA BLOCKS ===== */
.cta-block {
  text-align: center;
  padding: 48px 28px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(245, 158, 11, 0.06));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
}

.cta-inline {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 24px 0;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 0 28px rgba(16, 185, 129, 0.35);
  transform: translateY(-2px);
  color: #fff;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  background: transparent;
  color: var(--accent-1);
  font-weight: 700;
  font-size: 15px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glow);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s;
}

.btn-outline:hover {
  background: rgba(16, 185, 129, 0.08);
  color: var(--accent-1);
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  background: linear-gradient(135deg, var(--accent-3), var(--accent-4));
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s;
}

.btn-gold:hover {
  transform: translateY(-2px);
  color: #fff;
}

/* ===== NOTICE BOX ===== */
.notice-box {
  border-left: 4px solid var(--accent-3);
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.1), transparent);
  padding: 18px 22px;
  border-radius: var(--radius-md);
  margin: 24px 0;
}

.notice-box p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== RATING ===== */
.star-rating {
  color: var(--accent-3);
  letter-spacing: 2px;
  font-size: 16px;
}

/* ===== RELATED LINKS ===== */
.related-links {
  display: grid;
  gap: 12px;
  margin: 24px 0;
}

.related-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
}

.related-link:hover {
  border-color: var(--border-glow);
  color: var(--text-primary);
}

.related-link-arrow {
  color: var(--accent-1);
  margin-left: auto;
}

/* ===== FOOTER ===== */
.site-footer {
  margin-top: 80px;
  background: rgba(10, 14, 26, 0.98);
  border-top: 1px solid var(--border-glow);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 14px 0;
}

.footer-contact {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2;
}

.footer-heading {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent-1);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 404 PAGE ===== */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
}

.error-code {
  font-size: clamp(80px, 15vw, 160px);
  font-weight: 900;
  color: var(--accent-1);
  line-height: 1;
  opacity: 0.3;
}

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-1); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.gap-sm { gap: 12px; }
.flex-wrap { flex-wrap: wrap; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .header-inner {
    min-height: 68px;
    grid-template-columns: 140px 1fr auto;
    gap: 10px;
  }

  .brand-wrap {
    width: 140px;
    min-width: 140px;
    max-width: 140px;
    height: 48px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .brand-text strong {
    max-width: 86px;
    font-size: 16px;
  }

  .brand-text span {
    max-width: 86px;
    font-size: 10px;
  }

  .primary-nav {
    position: fixed;
    left: 12px;
    right: 12px;
    top: 76px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    border-radius: 18px;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-glow);
    box-shadow: var(--shadow-card);
    z-index: 999;
  }

  .primary-nav.is-open {
    display: flex;
  }

  .primary-nav a {
    max-width: none;
    width: 100%;
    padding: 14px 12px;
    text-overflow: initial;
    font-size: 15px;
    border-bottom: 1px solid var(--border-subtle);
  }

  .primary-nav a:last-child {
    border-bottom: none;
  }

  .header-actions {
    justify-content: flex-end;
    gap: 6px;
  }

  .header-actions .btn {
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-more {
    display: contents !important;
  }

  .nav-more .more-toggle {
    display: none !important;
  }

  .nav-more .more-menu {
    display: contents !important;
    position: static;
    min-width: 0;
    padding: 0;
    border-radius: 0;
    border: none;
    box-shadow: none;
    background: transparent;
  }

  .nav-more .more-menu a {
    width: 100%;
    padding: 14px 12px;
    font-size: 15px;
    border-bottom: 1px solid var(--border-subtle);
    max-width: none;
    text-overflow: initial;
    border-radius: 0;
  }

  .hero-split {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .content-grid, .content-grid-reverse {
    grid-template-columns: 1fr;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .content-section {
    padding: 48px 0;
  }

  .prose p {
    font-size: 16px;
    line-height: 1.85;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero-home {
    padding: 80px 0 40px;
  }

  .hero-inner {
    padding: 60px 0 30px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .card-glass, .card-dark {
    padding: 20px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }
}