/* Shared by every page: full-width bands. Every value is a design system token (pulse-design/design-system/tokens).
     Single light look by choice: the design system's primary colours lead, Deep Forest for the immersive bands. */
  :root { color-scheme: light; }
  html { scroll-behavior: smooth; }
  body { background: var(--surface-page); color: var(--text-strong); font-family: var(--font-body); font-size: var(--text-body-lg); line-height: var(--leading-normal); -webkit-font-smoothing: antialiased; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

  a { color: inherit; }
  img { max-width: 100%; height: auto; display: block; }
  h1, h2, h3, p { margin: 0; }
  ul { margin: 0; padding: 0; list-style: none; }

  .wrap { max-width: var(--layout-max-width); margin-inline: auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); padding-block: var(--space-12); }
  @media (min-width: 640px) { .wrap { padding-left: max(var(--layout-margin-side), env(safe-area-inset-left, 0px)); padding-right: max(var(--layout-margin-side), env(safe-area-inset-right, 0px)); padding-block: var(--layout-margin-block); } }

  .band-warm { background: var(--surface-warm); }
  .band-forest { background: var(--surface-forest); color: var(--text-on-dark); }
  .band-inverse { background: var(--surface-inverse); color: var(--text-on-dark); }
  .band-sunken { background: var(--surface-sunken); }

  /* Type */
  .display { font-family: var(--font-display); font-weight: var(--weight-regular); line-height: var(--leading-tight); letter-spacing: -0.01em; text-wrap: balance; }
  h1.display { font-size: clamp(64px, 11vw, 128px); }
  h2.display { font-size: clamp(44px, 7vw, 80px); }
  h3 { font-family: var(--font-body); font-weight: var(--weight-medium); font-size: var(--text-subtitle); line-height: var(--leading-snug); letter-spacing: -0.01em; }
  .overline { font-size: var(--text-overline); font-weight: var(--weight-medium); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
  .band-forest .overline, .band-inverse .overline { color: var(--text-on-dark-muted); }
  .lead { font-size: clamp(var(--text-body-lg), 2.4vw, var(--text-lead)); line-height: var(--leading-normal); color: var(--text-body); max-width: 30ch; text-wrap: balance; }
  .band-forest .lead { color: var(--text-on-dark); }
  .body { color: var(--text-body); max-width: 44ch; }
  .band-forest .body, .band-inverse .body { color: var(--ink-muted-on-dark); }
  .small { font-size: var(--text-body-sm); color: var(--text-muted); }
  .band-forest .small, .band-inverse .small { color: var(--text-on-dark-muted); }
  .section-head { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-10); }
  .num { font-variant-numeric: tabular-nums; }

  /* Buttons */
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: var(--control-lg); padding-inline: var(--space-6); border-radius: var(--radius-pill); font-family: var(--font-body); font-size: var(--text-body-md); font-weight: var(--weight-medium); text-decoration: none; border: 1px solid transparent; transition: transform var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard); }
  .btn:active { transform: scale(0.97); }
  .btn-primary { background: var(--accent-primary); color: var(--text-on-dark); }
  .btn-primary:hover { background: var(--cp-almost-black); }
  .btn-secondary { background: transparent; color: var(--text-strong); border-color: var(--border-strong); }
  .btn-secondary:hover { background: var(--surface-warm); }
  .btn-on-dark { background: var(--cp-natural-white); color: var(--cp-almost-black); }
  .btn-on-dark:hover { background: var(--cp-light-beige); }
  .btn-ghost-dark { background: transparent; color: var(--text-on-dark); border-color: var(--border-on-dark); }
  .btn-ghost-dark:hover { background: var(--surface-on-dark-panel); }
  .btn-sm { min-height: var(--control-md); padding-inline: var(--space-5); font-size: var(--text-control); }
  .btn .wa { width: var(--icon-md); height: var(--icon-md); flex: none; }

  /* Header */
  body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--surface-page); }
  .site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: var(--z-sticky); background: var(--surface-page); border-bottom: 1px solid var(--border-hairline); }
  .site-header .wrap { padding-block: var(--space-4); display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }
  .logotype { height: 24px; width: auto; }
  .nav { display: none; gap: var(--space-6); font-size: var(--text-control); font-weight: var(--weight-medium); }
  .nav a { text-decoration: none; color: var(--text-body); }
  .nav a:hover { color: var(--text-strong); }
  @media (min-width: 1024px) { .nav { display: flex; } }
  .site-header .btn { display: none; }
  @media (min-width: 640px) { .site-header .btn { display: inline-flex; } }

  /* Hero */
  .hero { display: grid; gap: var(--space-10); align-items: center; }
  .hero-copy { display: flex; flex-direction: column; gap: var(--space-6); min-width: 0; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
  .hero-art { display: grid; place-items: center; }
  .wave { width: min(100%, 420px); aspect-ratio: 1; border-radius: var(--radius-circle); background: var(--gradient-wave); box-shadow: var(--shadow-lg); }
  @media (min-width: 1024px) { .hero { grid-template-columns: 7fr 5fr; } }

  /* Notice strip */
  .notice .wrap { padding-block: var(--space-5); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4); }
  .notice-text { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-3); min-width: 0; }
  .notice-date { font-family: var(--font-display); font-size: var(--text-subtitle); line-height: var(--leading-tight); }

  /* Grids and cards */
  .grid { display: grid; gap: var(--space-6); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  @media (min-width: 640px) { .grid-2, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } .grid-2 { grid-template-columns: repeat(2, 1fr); } }
  .card { background: var(--surface-card); border: 1px solid var(--border-hairline); border-radius: var(--radius-lg); padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); min-width: 0; box-shadow: var(--shadow-sm); }
  .card-warm { background: var(--surface-warm); border-color: transparent; box-shadow: none; }
  .card-panel { background: var(--surface-on-dark-panel); border: 1px solid var(--border-on-dark); border-radius: var(--radius-lg); padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); min-width: 0; }
  .card h3, .card-panel h3 { font-size: var(--text-subtitle); }
  .card .body, .card-panel .body { font-size: var(--text-body-md); }
  .card .display, .card-panel .display { font-size: var(--text-title); }

  /* Stats */
  .stat { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }
  .stat-figure { font-family: var(--font-display); font-size: clamp(72px, 9vw, 112px); line-height: var(--leading-tight); letter-spacing: -0.01em; }
  .stat-source { font-size: var(--text-caption); color: var(--text-muted); }
  .stat-source a { color: inherit; }

  /* Two columns */
  .split { display: grid; gap: var(--space-10); align-items: start; }
  @media (min-width: 1024px) { .split { grid-template-columns: 5fr 7fr; } }
  .stack { display: flex; flex-direction: column; gap: var(--space-4); min-width: 0; }

  /* Steps */
  .steps { display: grid; gap: var(--space-6); counter-reset: step; }
  @media (min-width: 640px) { .steps { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1024px) { .steps { grid-template-columns: repeat(5, 1fr); } }
  .step { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; padding-top: var(--space-4); border-top: 1px solid var(--border-default); }
  .step::before { counter-increment: step; content: counter(step, decimal-leading-zero); font-family: var(--font-display); font-size: var(--text-title); line-height: var(--leading-tight); color: var(--text-muted); }
  .step h3 { font-size: var(--text-subtitle); }
  .step p { font-size: var(--text-body-md); color: var(--text-body); }

  /* Big statement list */
  .statements { display: flex; flex-direction: column; }
  .statement { padding-block: var(--space-5); border-top: 1px solid var(--border-on-dark); font-family: var(--font-display); font-size: clamp(32px, 4.5vw, var(--text-title)); line-height: var(--leading-snug); letter-spacing: -0.01em; }
  .statement:last-child { border-bottom: 1px solid var(--border-on-dark); }

  /* Plain list */
  .list { display: grid; gap: var(--space-3); }
  @media (min-width: 640px) { .list { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1024px) { .list { grid-template-columns: repeat(3, 1fr); } }
  .list li { display: flex; flex-direction: column; gap: var(--space-1); padding: var(--space-5); border: 1px solid var(--border-on-dark); border-radius: var(--radius-md); min-width: 0; }
  .list strong { font-weight: var(--weight-medium); font-size: var(--text-body-lg); }
  .list span { font-size: var(--text-body-md); color: var(--ink-muted-on-dark); }

  /* Tiles */
  .tiles { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
  @media (min-width: 640px) { .tiles { grid-template-columns: repeat(2, 1fr); } }
  .tile { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4); border: 1px solid var(--border-default); border-radius: var(--radius-md); font-size: var(--text-body-md); font-weight: var(--weight-medium); min-width: 0; }
  .dot { width: 6px; height: 6px; border-radius: var(--radius-circle); background: var(--status-live-ink); flex: none; }

  /* Steps capped at three or two columns */
  @media (min-width: 1024px) { .steps-3 { grid-template-columns: repeat(3, 1fr); } .steps-2 { grid-template-columns: repeat(2, 1fr); } }
  .band-forest .step { border-top-color: var(--border-on-dark); }
  .band-forest .step::before { color: var(--text-on-dark-muted); }
  .band-forest .step p { color: var(--ink-muted-on-dark); }

  /* Your part, our part: two panels of ticked lines */
  .parts h3 { font-size: var(--text-title); }
  .ticks { display: flex; flex-direction: column; gap: var(--space-3); }
  .ticks li { display: flex; gap: var(--space-3); align-items: baseline; font-size: var(--text-body-lg); min-width: 0; }
  .ticks li::before { content: ""; width: 8px; height: 8px; margin-top: 0.5em; border-radius: var(--radius-circle); background: currentColor; flex: none; align-self: flex-start; }

  /* Guide pages: page head, question list, sources */
  .page-head { display: flex; flex-direction: column; gap: var(--space-6); max-width: 60rem; }
  .page-head h1.display { font-size: clamp(48px, 8vw, 96px); }
  .updated { font-size: var(--text-body-sm); color: var(--text-muted); }
  .actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
  .faq { display: grid; gap: var(--space-8); }
  @media (min-width: 1024px) { .faq { grid-template-columns: repeat(2, 1fr); } }
  .faq-item { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }
  .faq-item p { color: var(--text-body); max-width: 52ch; }
  .faq-item a, .card a, .card-panel a, .sources a { overflow-wrap: anywhere; }
  .sources { display: flex; flex-direction: column; gap: var(--space-3); font-size: var(--text-body-md); color: var(--text-body); }

  /* Contact */
  .contact { display: grid; gap: var(--space-8); align-items: start; }
  @media (min-width: 1024px) { .contact { grid-template-columns: 6fr 6fr; } }
  .contact-list { display: flex; flex-direction: column; gap: var(--space-5); }
  .contact-item { display: flex; flex-direction: column; gap: var(--space-1); min-width: 0; }
  .contact-item strong { font-weight: var(--weight-medium); font-size: var(--text-body-lg); }
  .contact-item a { font-size: var(--text-title); font-family: var(--font-display); letter-spacing: 0.01em; text-decoration: none; overflow-wrap: anywhere; }
  .contact-item a:hover { text-decoration: underline; }
  .contact-item span { font-size: var(--text-body-md); color: var(--ink-muted-on-dark); }

  /* Footer */
  .site-footer .wrap { padding-block: var(--space-10); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-6); }
  .logomark { height: 32px; width: auto; }
  .footer-meta { display: flex; flex-wrap: wrap; gap: var(--space-4); font-size: var(--text-body-sm); color: var(--text-on-dark-muted); }
  .footer-meta a { color: var(--text-on-dark); text-decoration: none; }
  .footer-meta a:hover { text-decoration: underline; }

  /* Floating WhatsApp button on small screens */
  .fab { position: fixed; right: calc(var(--space-4) + env(safe-area-inset-right, 0px)); bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0px)); z-index: var(--z-sticky); box-shadow: var(--shadow-md); }
  @media (min-width: 1024px) { .fab { display: none; } }