.sb { position: relative; overflow: hidden; }

  .sb__stage {
    position: relative;
    min-height: 560px;
    border-radius: 16px;
    overflow: hidden;
    background: var(--clr-neutral-dark);
  }
  @media (min-width: 768px)  { .sb__stage { min-height: 640px; border-radius: 20px; } }
  @media (min-width: 1024px) { .sb__stage { border-radius: 24px; } }

  .sb__bg-video, .sb__bg-image {
    position: absolute; inset: 0; z-index: 0; overflow: hidden;
  }
  .sb__bg-video video { width: 100%; height: 100%; object-fit: cover; opacity: 0.45; }
  .sb__bg-image img { width: 100%; height: 100%; object-fit: cover; opacity: 0.8; }

  @media (max-width: 767px) {
    .sb__bg-video video, .sb__bg-image img {
      object-position: var(--sb-bg-pos-x-mobile, 50%) center;
    }
  }

  .sb__bg-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(10,10,10,0.2) 0%, rgba(10,10,10,0.16) 50%, rgba(10,10,10,0.22) 100%);
    z-index: 1;
  }

  .sb__content {
    position: relative; z-index: 2;
    padding: 32px 16px;
  }
  @media (min-width: 480px)  { .sb__content { padding: 40px 24px; } }
  @media (min-width: 768px)  { .sb__content { padding: 64px 56px; } }
  @media (min-width: 1024px) { .sb__content { padding: 80px 72px; } }

  .sb__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
  }
  @media (min-width: 768px)  { .sb__grid { grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; } }
  @media (min-width: 1024px) { .sb__grid { grid-template-columns: 1fr 540px; gap: 56px; } }

  .sb__left { display: flex; flex-direction: column; }

  .sb__header { margin-bottom: 48px; }
  @media (min-width: 768px)  { .sb__header { margin-bottom: 56px; } }
  @media (min-width: 1024px) { .sb__header { margin-bottom: 64px; } }

  .sb__eyebrow {
    font-family: var(--font-primary), sans-serif;
    font-size: 11px; font-weight: 400; letter-spacing: 0.25em; text-transform: uppercase;
    color: var(--clr-secondary-light);
    margin: 0 0 24px 0;
    min-height: 14px; width: 100%;
  }
.sb__eyebrow > * { margin: 0; font-size: inherit; font-family: inherit; line-height: inherit; letter-spacing: inherit; color: inherit; }
  .sb__eyebrow p { margin: 0; font-size: inherit; line-height: inherit; font-family: inherit; letter-spacing: inherit; color: inherit; }
  @media (min-width: 768px) { .sb__eyebrow { margin-bottom: 32px; } }

  .sb__heading {
    font-family: var(--font-primary), sans-serif;
    font-size: 44px; font-weight: 400; color: var(--clr-white);
    margin: 0 0 16px 0;
    line-height: 1.15; letter-spacing: -0.025em;
    max-width: 460px;
    min-height: 42px;
  }
.sb__heading > * { margin: 0; font-size: inherit; font-family: inherit; line-height: inherit; letter-spacing: inherit; color: inherit; }
  .sb__heading p { margin: 0; font-size: inherit; line-height: inherit; font-family: inherit; letter-spacing: inherit; color: inherit; }
  .sb__heading span { font-size: inherit; line-height: inherit; }
  @media (min-width: 768px)  { .sb__heading { font-size: 44px; margin-bottom: 28px; } }
  @media (min-width: 1200px) { .sb__heading { font-size: 52px; } }

  .sb__description {
    font-family: var(--font-primary), sans-serif;
    font-size: 14px; line-height: 1.6; color: var(--clr-white); opacity: 0.55;
    margin: 0; max-width: 500px; font-weight: 400;
    min-height: 22px;
  }
.sb__description > * { margin: 0; font-size: inherit; font-family: inherit; line-height: inherit; letter-spacing: inherit; color: inherit; }
  .sb__description p { margin: 0 0 12px; }
  .sb__description p:last-child { margin-bottom: 0; }
  @media (min-width: 480px)  { .sb__description { font-size: 16px; line-height: 1.7; } }
  @media (min-width: 768px)  { .sb__description { font-size: 17px; } }
  @media (min-width: 1200px) { .sb__description { font-size: 19px; } }

  .sb__tabs {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .sb__tab {
    position: relative;
    display: flex; align-items: center;
    padding: 0; background: transparent; border: none; cursor: pointer;
    text-align: left; -webkit-appearance: none; outline: none;
  }

  .sb__tab-indicator {
    position: absolute; left: 0; top: 8px; bottom: 8px;
    width: 3px;
    background: rgba(255,255,255,0.12);
    border-radius: 3px;
    transition: background 0.4s ease;
  }
  .sb__tab--active .sb__tab-indicator { background: var(--clr-white); }

  .sb__tab-content {
    display: flex; align-items: center; width: 100%;
    padding: 12px 0 12px 24px;
    transition: opacity 0.3s ease;
  }
  @media (min-width: 768px) { .sb__tab-content { padding: 14px 0 14px 28px; } }

  .sb__tab:not(.sb__tab--active) .sb__tab-content { opacity: 0.4; }
  .sb__tab:hover .sb__tab-content { opacity: 0.7; }
  .sb__tab--active .sb__tab-content { opacity: 1; }

  .sb__tab-title {
    font-family: var(--font-primary), sans-serif;
    font-size: 22px; font-weight: 400; color: var(--clr-white);
    letter-spacing: -0.02em; line-height: 1.1;
  }
  @media (min-width: 480px)  { .sb__tab-title { font-size: 28px; } }
  @media (min-width: 768px)  { .sb__tab-title { font-size: 36px; } }
  @media (min-width: 1024px) { .sb__tab-title { font-size: 42px; } }

  .sb__footnote {
    font-family: var(--font-primary), sans-serif;
    font-size: 11px; color: rgba(255,255,255,0.3); max-width: 380px;
    margin: 40px 0 0 24px; line-height: 1.5;
    min-height: 16px;
  }
  .sb__footnote p { margin: 0; font-size: inherit; line-height: inherit; font-family: inherit; letter-spacing: inherit; color: inherit; }
  @media (min-width: 768px) { .sb__footnote { margin-left: 28px; } }

  .sb__right { position: relative; min-height: 380px; }
  @media (min-width: 768px) { .sb__right { min-height: 440px; } }

  .sb__chart {
    position: absolute; inset: 0;
    opacity: 0; visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.5s cubic-bezier(0.4,0,0.2,1), visibility 0.5s cubic-bezier(0.4,0,0.2,1), transform 0.5s cubic-bezier(0.4,0,0.2,1);
  }
  .sb__chart--active {
    opacity: 1; visibility: visible; transform: translateY(0);
  }

  .sb__chart-glass {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 18px 16px;
    height: 100%;
    display: flex; flex-direction: column;
    position: relative; overflow: hidden;
  }
  @media (min-width: 768px) { .sb__chart-glass { padding: 22px 20px; border-radius: 16px; } }

  .sb__chart-glass::before {
    content: ''; position: absolute; top: 0; left: 20%; right: 20%; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  }

  .sb__chart-body--radial {
    flex: 1;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 20px 0;
  }

  .sb__stat-display { display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }

  .sb__stat-number {
    position: relative;
    font-family: var(--font-primary), sans-serif;
    font-size: 72px; font-weight: 400; color: var(--clr-text-muted-inverse);
    letter-spacing: -0.04em; line-height: 1;
    text-shadow: 0 0 60px rgba(255,255,255,0.06);
    opacity: 0; transform: translateY(16px);
    transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1) 0.15s, transform 0.7s cubic-bezier(0.4,0,0.2,1) 0.15s;
  }
  @media (min-width: 768px)  { .sb__stat-number { font-size: 96px; } }
  @media (min-width: 1024px) { .sb__stat-number { font-size: 112px; } }
  .sb--in-view .sb__chart--active .sb__stat-number { opacity: 1; transform: translateY(0); }

  .sb__callout--radial { flex: 0; align-items: center; text-align: center; margin-bottom: 40px; }

  .sb__callout-desc {
    font-family: var(--font-primary), sans-serif;
    font-size: 16px; line-height: 1.55;
    color: var(--clr-text-muted-inverse);
    max-width: 340px;
    opacity: 0; transform: translateY(8px);
    transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1) 0.5s, transform 0.6s cubic-bezier(0.4,0,0.2,1) 0.5s;
  }
  /* Copy pasted from Word/Docs arrives carrying inline color + font, which on
     this dark chart renders half the sentence black. Inline styles beat every
     selector, so !important is the only thing that can clamp them back to the
     callout's own styling. */
  .sb__callout-desc * {
    color: inherit !important;
    font-family: inherit !important;
    font-size: inherit !important;
    font-weight: inherit !important;
    background: none !important;
  }
  @media (min-width: 768px) { .sb__callout-desc { font-size: 17px; max-width: 380px; } }
  .sb--in-view .sb__chart--active .sb__callout-desc { opacity: 1; transform: translateY(0); }

  .sb__study-link {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-primary), sans-serif;
    font-size: 13px; font-weight: 500;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    margin-top: 32px;
    transition: color 0.3s ease, opacity 0.6s cubic-bezier(0.4,0,0.2,1) 0.7s;
    opacity: 0;
    justify-content: center;
  }
  .sb--in-view .sb__chart--active .sb__study-link { opacity: 1; }
  .sb__study-link:hover { color: var(--clr-white); }
  .sb__study-link svg { transition: transform 0.3s ease; }
  .sb__study-link:hover svg { transform: translateX(3px); }

  .sb-microviz__image { width: 100%; max-width: 240px; max-height: 140px; height: auto; object-fit: contain; display: block; margin: 0 auto; }
  .sb-microviz {
    width: 100%; max-width: 360px; margin: 0 auto;
    opacity: 0; transform: translateY(8px);
    transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1) 0.6s, transform 0.6s cubic-bezier(0.4,0,0.2,1) 0.6s;
  }
  .sb--in-view .sb__chart--active .sb-microviz { opacity: 1; transform: translateY(0); }

  /* Cascade — ascending dots on flowing curve */
  .sb-microviz__cascade { width: 100%; height: 80px; display: flex; justify-content: center; }
  .sb-microviz__cascade-svg { width: 100%; height: 100%; max-width: 240px; overflow: visible; }
  .sb-microviz__cascade-line {
    stroke-dasharray: 320; stroke-dashoffset: 320;
    transition: stroke-dashoffset 1.6s cubic-bezier(0.16,1,0.3,1) 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__cascade-line { stroke-dashoffset: 0; }
  .sb-microviz__cascade-dot {
    opacity: 0; transform: scale(0.2);
    transform-box: fill-box; transform-origin: center;
    transition: opacity 0.4s ease, transform 0.6s cubic-bezier(0.34,1.56,0.64,1);
    transition-delay: calc(var(--dot-i) * 0.18s + 0.5s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__cascade-dot { opacity: 1; transform: scale(1); }
  .sb-microviz__cascade-dot--final {
    filter: drop-shadow(0 0 0 rgba(255,255,255,0));
    transition: opacity 0.4s ease, transform 0.6s cubic-bezier(0.34,1.56,0.64,1), filter 0.5s ease;
    transition-delay: calc(var(--dot-i) * 0.18s + 0.5s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__cascade-dot--final {
    filter: drop-shadow(0 0 8px rgba(255,255,255,0.7));
    animation: sb-cascade-glow 2.4s ease-in-out infinite 1.8s;
  }
  @keyframes sb-cascade-glow {
    0%,100% { filter: drop-shadow(0 0 6px rgba(255,255,255,0.5)); }
    50%     { filter: drop-shadow(0 0 14px rgba(255,255,255,0.85)); }
  }

  /* Spark — sparkline with trail dots + glowing end dot */
  .sb-microviz__spark { position: relative; height: 60px; width: 100%; }
  .sb-microviz__spark-svg { width: 100%; height: 100%; overflow: visible; }
  .sb-microviz__spark-path, .sb-microviz__spark-glow {
    stroke-dasharray: 320; stroke-dashoffset: 320;
    transition: stroke-dashoffset 2s cubic-bezier(0.16,1,0.3,1) 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__spark-path,
  .sb--in-view .sb__chart--active .sb-microviz__spark-glow { stroke-dashoffset: 0; }
  .sb-microviz__spark-trail {
    opacity: 0; transform: scale(0.2);
    transform-box: fill-box; transform-origin: center;
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.16,1,0.3,1);
    transition-delay: calc(var(--trail-i) * 0.4s + 1s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__spark-trail { opacity: 1; transform: scale(1); }
  .sb-microviz__spark-dot {
    position: absolute; top: 3px; right: 0;
    width: 9px; height: 9px;
    background: var(--clr-white); border-radius: 50%;
    box-shadow: 0 0 14px 4px rgba(255,255,255,0.5);
    opacity: 0; transform: scale(0);
    transition: opacity 0.4s ease 2s, transform 0.5s cubic-bezier(0.34,1.56,0.64,1) 2s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__spark-dot {
    opacity: 1; transform: scale(1);
    animation: sb-spark-pulse 2.2s ease-in-out infinite 2.6s;
  }
  @keyframes sb-spark-pulse {
    0%,100% { box-shadow: 0 0 14px 4px rgba(255,255,255,0.5); }
    50%     { box-shadow: 0 0 22px 7px rgba(255,255,255,0.75); }
  }

  /* Reduction bars */
  .sb-microviz__reduction { display: flex; flex-direction: column; gap: 12px; width: 100%; }
  .sb-microviz__reduction-row { display: flex; align-items: center; gap: 14px; }
  .sb-microviz__reduction-label {
    font-family: var(--font-primary), sans-serif;
    font-size: 11px; font-weight: 400; letter-spacing: 0.06em; text-transform: uppercase;
    color: rgba(255,255,255,0.35);
    width: 52px; flex-shrink: 0; text-align: right;
  }
  .sb-microviz__reduction-track {
    flex: 1; height: 24px;
    background: rgba(255,255,255,0.04);
    border-radius: 4px; overflow: hidden; position: relative;
  }
  .sb-microviz__reduction-fill {
    height: 100%; width: 0%; border-radius: 4px;
    transition: width 1.4s cubic-bezier(0.16,1,0.3,1) 0.4s;
  }
  .sb-microviz__reduction-fill--before {
    background: linear-gradient(90deg, rgba(255,255,255,0.55), rgba(255,255,255,0.35));
  }
  .sb-microviz__reduction-fill--after {
    background: linear-gradient(90deg, rgba(255,255,255,0.18), rgba(255,255,255,0.1));
  }
  .sb--in-view .sb__chart--active .sb-microviz__reduction-fill--before { width: 92%; }
  .sb--in-view .sb__chart--active .sb-microviz__reduction-fill--after { width: 48%; }
  .sb-microviz__reduction-delta {
    font-family: var(--font-primary), sans-serif;
    font-size: 13px; font-weight: 500;
    color: rgba(255,255,255,0.85);
    white-space: nowrap; flex-shrink: 0;
    opacity: 0; transform: translateX(-6px);
    transition: opacity 0.5s ease 1.6s, transform 0.5s ease 1.6s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__reduction-delta {
    opacity: 1; transform: translateX(0);
    animation: sb-reduction-delta-pulse 2.6s ease-in-out infinite 2.4s;
  }
  @keyframes sb-reduction-delta-pulse {
    0%,100% { color: rgba(255,255,255,0.7); text-shadow: 0 0 0 transparent; }
    50%     { color: rgba(255,255,255,1); text-shadow: 0 0 8px rgba(255,255,255,0.4); }
  }
  .sb-microviz__reduction--after-top .sb-microviz__reduction-fill--after {
    background: linear-gradient(90deg, rgba(255,255,255,0.6), rgba(255,255,255,0.4));
  }
  .sb-microviz__reduction--after-top .sb-microviz__reduction-fill--before {
    background: linear-gradient(90deg, rgba(255,255,255,0.16), rgba(255,255,255,0.1));
  }

  /* Progress circle — with center % label and pulse on completion */
  .sb-microviz__progress-circle { position: relative; width: 100px; height: 100px; margin: 0 auto; }
  .sb-microviz__progress-circle-svg { width: 100%; height: 100%; overflow: visible; }
  .sb-microviz__progress-circle-fill {
    stroke-dasharray: 1; stroke-dashoffset: 1;
    transition: stroke-dashoffset 1.4s cubic-bezier(0.16,1,0.3,1) 0.4s;
    filter: drop-shadow(0 0 4px rgba(255,255,255,0.3));
  }
  .sb--in-view .sb__chart--active .sb-microviz__progress-circle-fill {
    stroke-dashoffset: calc(1 - var(--pc-progress, 89) / 100);
  }
  .sb-microviz__progress-circle-label {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-primary), sans-serif;
    font-size: 22px; font-weight: 400; color: var(--clr-white);
    letter-spacing: -0.02em;
    opacity: 0; transform: scale(0.7);
    transition: opacity 0.5s ease 1.6s, transform 0.5s cubic-bezier(0.34,1.56,0.64,1) 1.6s;
  }
  .sb-microviz__progress-circle-label span {
    font-size: 14px; opacity: 0.7; margin-left: 1px;
  }
  .sb--in-view .sb__chart--active .sb-microviz__progress-circle-label {
    opacity: 1; transform: scale(1);
  }

  /* Rings — continuous emanating ripples */
  .sb-microviz__rings {
    position: relative; width: 120px; height: 120px; margin: 0 auto;
    display: flex; align-items: center; justify-content: center;
  }
  .sb-microviz__ripple {
    position: absolute;
    width: 24px; height: 24px;
    border: 1.5px solid rgba(255,255,255,0.7);
    border-radius: 50%;
    opacity: 0;
  }
  .sb--in-view .sb__chart--active .sb-microviz__ripple {
    animation: sb-ring-ripple 2.4s ease-out infinite;
    animation-delay: calc(var(--ripple-i) * 0.8s + 0.4s);
  }
  @keyframes sb-ring-ripple {
    0%   { transform: scale(0.3); opacity: 0; border-width: 2px; }
    15%  { opacity: 0.85; }
    100% { transform: scale(4.5); opacity: 0; border-width: 0.5px; }
  }
  .sb-microviz__rings-center {
    width: 12px; height: 12px;
    background: var(--clr-white); border-radius: 50%;
    position: relative; z-index: 1;
    opacity: 0; transform: scale(0.3);
    transition: opacity 0.5s ease 0.3s, transform 0.6s cubic-bezier(0.34,1.56,0.64,1) 0.3s;
    box-shadow: 0 0 12px rgba(255,255,255,0.5);
  }
  .sb--in-view .sb__chart--active .sb-microviz__rings-center {
    opacity: 1; transform: scale(1);
    animation: sb-ring-center-pulse 2s ease-in-out infinite 1s;
  }
  @keyframes sb-ring-center-pulse {
    0%,100% { box-shadow: 0 0 12px rgba(255,255,255,0.5); }
    50%     { box-shadow: 0 0 20px rgba(255,255,255,0.8); }
  }

  /* === Wave (Deep Sleep) — 2 overlapping flowing sine waves === */
  .sb-microviz__wave { position: relative; height: 60px; width: 100%; overflow: hidden; }
  .sb-microviz__wave-svg { width: 100%; height: 100%; overflow: visible; }
  .sb-microviz__wave-path {
    opacity: 0;
    transition: opacity 0.7s ease 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__wave-path { opacity: 1; }
  .sb--in-view .sb__chart--active .sb-microviz__wave-path--back {
    animation: sb-wave-flow 8s linear infinite 0.6s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__wave-path--front {
    animation: sb-wave-flow 5s linear infinite 0.6s;
  }
  @keyframes sb-wave-flow {
    from { transform: translateX(0); }
    to   { transform: translateX(-100px); }
  }

  /* === Brainwave (REM Sleep) — EEG-style line + scanning gradient === */
  .sb-microviz__brainwave { position: relative; height: 60px; width: 100%; overflow: hidden; }
  .sb-microviz__brainwave-svg { width: 100%; height: 100%; overflow: visible; }
  .sb-microviz__brainwave-path {
    stroke-dasharray: 600; stroke-dashoffset: 600;
    transition: stroke-dashoffset 1.8s cubic-bezier(0.45,0,0.55,1) 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__brainwave-path { stroke-dashoffset: 0; }
  .sb-microviz__brainwave-scan {
    position: absolute; top: 0; bottom: 0; left: 0; width: 40px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.18), transparent);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease 1.8s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__brainwave-scan {
    opacity: 1;
    animation: sb-brainwave-scan 3.5s linear infinite 2s;
  }
  @keyframes sb-brainwave-scan {
    0%   { left: -40px; }
    100% { left: 100%; }
  }

  /* === Sunrise (Restored on Waking) — sun rising w/ rays === */
  .sb-microviz__sunrise { position: relative; height: 80px; width: 100%; }
  .sb-microviz__sunrise-svg { width: 100%; height: 100%; max-width: 200px; margin: 0 auto; display: block; overflow: visible; }
  .sb-microviz__sunrise-sun {
    transform: translateY(20px);
    opacity: 0;
    transform-origin: 100px 48px;
    transition: transform 1.4s cubic-bezier(0.16,1,0.3,1) 0.4s, opacity 0.6s ease 0.4s;
    filter: drop-shadow(0 0 8px rgba(255,255,255,0.4));
  }
  .sb--in-view .sb__chart--active .sb-microviz__sunrise-sun {
    transform: translateY(0);
    opacity: 1;
    animation: sb-sunrise-glow 3.5s ease-in-out infinite 1.8s;
  }
  @keyframes sb-sunrise-glow {
    0%,100% { filter: drop-shadow(0 0 8px rgba(255,255,255,0.4)); }
    50%     { filter: drop-shadow(0 0 14px rgba(255,255,255,0.7)); }
  }
  .sb-microviz__sunrise-rays line {
    opacity: 0;
    transform-origin: 100px 48px;
    transform: scale(0.7);
    transition: opacity 0.6s ease, transform 0.8s cubic-bezier(0.16,1,0.3,1);
    transition-delay: 1.4s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__sunrise-rays line {
    opacity: 1; transform: scale(1);
  }
  .sb-microviz__sunrise-horizon {
    stroke-dasharray: 200; stroke-dashoffset: 200;
    transition: stroke-dashoffset 1s cubic-bezier(0.16,1,0.3,1) 0.2s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__sunrise-horizon { stroke-dashoffset: 0; }

  /* === Steps (Next-Day Productivity) — ascending bars light up sequentially === */
  .sb-microviz__steps {
    display: flex; align-items: flex-end; justify-content: center; gap: 6px;
    height: 72px; width: 100%; max-width: 240px; margin: 0 auto;
  }
  .sb-microviz__step {
    flex: 1; height: 0%;
    background: rgba(255,255,255,0.7);
    border-radius: 2px;
    transition: height 0.7s cubic-bezier(0.16,1,0.3,1), opacity 0.4s ease;
    transition-delay: calc(var(--step-i) * 0.12s + 0.3s);
    opacity: 0.4;
  }
  .sb--in-view .sb__chart--active .sb-microviz__step {
    height: var(--step-h);
    opacity: calc(0.4 + var(--step-i) * 0.1);
  }
  .sb--in-view .sb__chart--active .sb-microviz__step:last-child {
    background: rgba(255,255,255,0.95);
    box-shadow: 0 0 12px rgba(255,255,255,0.35);
  }

  /* === Leaf (Clean Formula) — natural leaf shape === */
  .sb-microviz__leaf { position: relative; height: 70px; width: 100%; display: flex; justify-content: center; }
  .sb-microviz__leaf-svg { height: 100%; width: auto; max-width: 200px; overflow: visible; }
  .sb-microviz__leaf-shape {
    stroke-dasharray: 320; stroke-dashoffset: 320;
    transition: stroke-dashoffset 1.6s cubic-bezier(0.16,1,0.3,1) 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__leaf-shape { stroke-dashoffset: 0; }
  .sb-microviz__leaf-vein {
    opacity: 0;
    transition: opacity 0.6s ease;
    transition-delay: 1.4s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__leaf-vein { opacity: 1; }

  /* === Clean (Clean Formula / Zero Additives) === */
  .sb-microviz__clean { width: 100%; height: 80px; display: flex; justify-content: center; }
  .sb-microviz__clean-svg { height: 100%; width: auto; max-width: 160px; overflow: visible; }
  .sb-microviz__clean-ring {
    stroke-dasharray: 140; stroke-dashoffset: 140;
    transition: stroke-dashoffset 1s cubic-bezier(0.16,1,0.3,1) 0.3s;
    transform-origin: 60px 40px;
  }
  .sb--in-view .sb__chart--active .sb-microviz__clean-ring {
    stroke-dashoffset: 0;
    animation: sb-clean-glow 3s ease-in-out infinite 1.6s;
  }
  @keyframes sb-clean-glow {
    0%,100% { filter: drop-shadow(0 0 0 transparent); }
    50%     { filter: drop-shadow(0 0 8px rgba(255,255,255,0.5)); }
  }
  .sb-microviz__clean-check {
    stroke-dasharray: 36; stroke-dashoffset: 36;
    transition: stroke-dashoffset 0.6s cubic-bezier(0.16,1,0.3,1) 1.1s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__clean-check { stroke-dashoffset: 0; }
  .sb-microviz__clean-sparks circle {
    opacity: 0; transform: scale(0);
    transform-box: fill-box; transform-origin: center;
    transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
    transition-delay: calc(var(--spark-i) * 0.1s + 1.7s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__clean-sparks circle { opacity: 1; transform: scale(1); }

  /* === Molecules (Synthesis / Cellular Energy) — connecting nodes === */
  .sb-microviz__molecules { width: 100%; height: 80px; display: flex; justify-content: center; }
  .sb-microviz__molecules-svg { height: 100%; width: auto; max-width: 240px; overflow: visible; }
  .sb-microviz__molecule-link {
    opacity: 0;
    transition: opacity 0.5s ease;
    transition-delay: calc(var(--link-i) * 0.1s + 0.5s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__molecule-link { opacity: 1; }
  .sb-microviz__molecule-node {
    opacity: 0; transform: scale(0);
    transform-box: fill-box; transform-origin: center;
    transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
    transition-delay: calc(var(--node-i) * 0.12s + 0.3s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__molecule-node { opacity: 1; transform: scale(1); }
  .sb--in-view .sb__chart--active .sb-microviz__molecule-node:nth-child(11) {
    animation: sb-molecule-pulse 2.4s ease-in-out infinite 1.8s;
  }
  @keyframes sb-molecule-pulse {
    0%,100% { filter: drop-shadow(0 0 4px rgba(255,255,255,0.4)); }
    50%     { filter: drop-shadow(0 0 10px rgba(255,255,255,0.8)); }
  }

  /* === Droplet (Hydration / Absorption) === */
  .sb-microviz__droplet { width: 100%; height: 80px; display: flex; justify-content: center; }
  .sb-microviz__droplet-svg { height: 100%; width: auto; max-width: 140px; overflow: visible; }
  .sb-microviz__droplet-shape {
    transform: translateY(-12px); opacity: 0;
    transform-origin: 60px 40px;
    transition: transform 0.7s cubic-bezier(0.45,0,0.35,1) 0.2s, opacity 0.5s ease 0.2s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__droplet-shape {
    transform: translateY(0); opacity: 1;
    animation: sb-droplet-bob 2.4s ease-in-out infinite 1.2s;
  }
  @keyframes sb-droplet-bob {
    0%,100% { transform: translateY(0); }
    50%     { transform: translateY(-3px); }
  }
  .sb-microviz__droplet-ripple {
    opacity: 0;
    transform-box: fill-box; transform-origin: center;
  }
  .sb--in-view .sb__chart--active .sb-microviz__droplet-ripple {
    animation: sb-droplet-ripple 2.4s ease-out infinite;
    animation-delay: calc(var(--rp-i) * 0.6s + 0.9s);
  }
  @keyframes sb-droplet-ripple {
    0%   { transform: scaleX(0.4); opacity: 0; }
    25%  { opacity: 0.8; }
    100% { transform: scaleX(2.8); opacity: 0; }
  }

  /* === Flame (Metabolic Rate) === */
  .sb-microviz__flame { width: 100%; height: 90px; display: flex; justify-content: center; }
  .sb-microviz__flame-svg { height: 100%; width: auto; overflow: visible; transform-origin: 40px 78px; }
  .sb-microviz__flame-outer, .sb-microviz__flame-inner {
    opacity: 0; transform: scaleY(0.3);
    transform-box: fill-box; transform-origin: 40px 82px;
    transition: opacity 0.4s ease 0.3s, transform 0.6s cubic-bezier(0.34,1.56,0.64,1) 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__flame-outer,
  .sb--in-view .sb__chart--active .sb-microviz__flame-inner { opacity: 1; transform: scaleY(1); }
  .sb-microviz__flame-core { opacity: 0; transition: opacity 0.4s ease 0.7s; }
  .sb--in-view .sb__chart--active .sb-microviz__flame-core {
    opacity: 1;
    animation: sb-flame-glow 2.4s ease-in-out infinite 1.4s;
  }
  @keyframes sb-flame-glow {
    0%,100% { filter: drop-shadow(0 0 4px rgba(255,255,255,0.4)); }
    50%     { filter: drop-shadow(0 0 12px rgba(255,255,255,0.85)); }
  }

  /* === Clock (Sustained Focus / Duration) === */
  .sb-microviz__clock { width: 100%; height: 90px; display: flex; justify-content: center; }
  .sb-microviz__clock-svg { height: 100%; width: auto; overflow: visible; }
  .sb-microviz__clock-tick { opacity: 0; transition: opacity 0.4s ease 0.6s; }
  .sb--in-view .sb__chart--active .sb-microviz__clock-tick { opacity: 1; }
  .sb-microviz__clock-hand {
    transform-origin: 50px 50px;
    transform-box: view-box;
  }
  .sb-microviz__clock-hand--minute {
    transform: rotate(-90deg);
    transition: transform 1.4s cubic-bezier(0.45,0,0.55,1) 0.4s;
  }
  .sb-microviz__clock-hand--hour {
    transform: rotate(-90deg);
    transition: transform 1.4s cubic-bezier(0.45,0,0.55,1) 0.4s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__clock-hand--minute { transform: rotate(0deg); }
  .sb--in-view .sb__chart--active .sb-microviz__clock-hand--hour { transform: rotate(60deg); }

  /* === Target (Focus Support) === */
  .sb-microviz__target {
    position: relative; width: 100px; height: 100px; margin: 0 auto;
    display: flex; align-items: center; justify-content: center;
  }
  .sb-microviz__target-ring {
    position: absolute;
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 50%;
    opacity: 0; transform: scale(0.3);
    transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.16,1,0.3,1);
    transition-delay: calc(var(--tg-i) * 0.15s + 0.3s);
  }
  .sb-microviz__target-ring--3 { width: 92px; height: 92px; border-color: rgba(255,255,255,0.18); }
  .sb-microviz__target-ring--2 { width: 64px; height: 64px; border-color: rgba(255,255,255,0.35); }
  .sb-microviz__target-ring--1 { width: 36px; height: 36px; border-color: rgba(255,255,255,0.6); }
  .sb--in-view .sb__chart--active .sb-microviz__target-ring { opacity: 1; transform: scale(1); }
  .sb-microviz__target-bullseye {
    width: 8px; height: 8px; background: var(--clr-white); border-radius: 50%;
    position: relative; z-index: 2;
    opacity: 0; transform: scale(0);
    transition: opacity 0.4s ease 0.9s, transform 0.5s cubic-bezier(0.34,1.56,0.64,1) 0.9s;
    box-shadow: 0 0 12px rgba(255,255,255,0.5);
  }
  .sb--in-view .sb__chart--active .sb-microviz__target-bullseye { opacity: 1; transform: scale(1); }
  .sb-microviz__target-crosshair {
    position: absolute; background: rgba(255,255,255,0.25);
    opacity: 0; transition: opacity 0.5s ease 1.1s;
  }
  .sb-microviz__target-crosshair--h { height: 1px; left: 0; right: 0; top: 50%; }
  .sb-microviz__target-crosshair--v { width: 1px; top: 0; bottom: 0; left: 50%; }
  .sb--in-view .sb__chart--active .sb-microviz__target-crosshair { opacity: 1; }

  /* === Shield Pulse (Stress Defense / Muscle Preservation) === */
  .sb-microviz__shield { width: 100%; height: 90px; display: flex; justify-content: center; }
  .sb-microviz__shield-svg { height: 100%; width: auto; overflow: visible; }
  .sb-microviz__shield-shape {
    stroke-dasharray: 280; stroke-dashoffset: 280;
    transition: stroke-dashoffset 1.2s cubic-bezier(0.16,1,0.3,1) 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__shield-shape { stroke-dashoffset: 0; }
  .sb-microviz__shield-check {
    stroke-dasharray: 50; stroke-dashoffset: 50;
    transition: stroke-dashoffset 0.6s cubic-bezier(0.16,1,0.3,1) 1.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__shield-check { stroke-dashoffset: 0; }
  .sb-microviz__shield-glow { opacity: 0; transition: opacity 0.6s ease 1.6s; }
  .sb--in-view .sb__chart--active .sb-microviz__shield-glow {
    opacity: 1;
    animation: sb-shield-pulse 2.6s ease-in-out infinite 2s;
  }
  @keyframes sb-shield-pulse {
    0%,100% { opacity: 0.4; }
    50%     { opacity: 1; }
  }

  /* === Neuron (Neuroplasticity / BDNF) === */
  .sb-microviz__neuron { width: 100%; height: 80px; display: flex; justify-content: center; }
  .sb-microviz__neuron-svg { height: 100%; width: auto; max-width: 240px; overflow: visible; }
  .sb-microviz__neuron-branch {
    stroke-dasharray: 80; stroke-dashoffset: 80;
    transition: stroke-dashoffset 0.7s cubic-bezier(0.16,1,0.3,1);
    transition-delay: calc(var(--br-i) * 0.1s + 0.5s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__neuron-branch { stroke-dashoffset: 0; }
  .sb-microviz__neuron-tip {
    opacity: 0; transform: scale(0);
    transform-box: fill-box; transform-origin: center;
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
    transition-delay: calc(var(--tip-i) * 0.1s + 1.1s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__neuron-tip { opacity: 1; transform: scale(1); }
  .sb-microviz__neuron-core {
    opacity: 0; transform: scale(0);
    transform-box: fill-box; transform-origin: center;
    transition: opacity 0.4s ease 0.2s, transform 0.5s cubic-bezier(0.34,1.56,0.64,1) 0.2s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__neuron-core {
    opacity: 1; transform: scale(1);
    animation: sb-neuron-pulse 2.4s ease-in-out infinite 1.6s;
  }
  @keyframes sb-neuron-pulse {
    0%,100% { filter: drop-shadow(0 0 4px rgba(255,255,255,0.4)); }
    50%     { filter: drop-shadow(0 0 12px rgba(255,255,255,0.8)); }
  }

  /* === Heart Pulse (Nervous System / HRV) === */
  .sb-microviz__heart-pulse { position: relative; height: 60px; width: 100%; overflow: hidden; }
  .sb-microviz__heart-pulse-svg { width: 100%; height: 100%; overflow: visible; }
  .sb-microviz__heart-pulse-path {
    stroke-dasharray: 600; stroke-dashoffset: 600;
    transition: stroke-dashoffset 1.6s cubic-bezier(0.45,0,0.55,1) 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__heart-pulse-path {
    stroke-dashoffset: 0;
    animation: sb-heart-glow 1.5s ease-in-out infinite 1.8s;
  }
  @keyframes sb-heart-glow {
    0%,100% { filter: drop-shadow(0 0 0 transparent); }
    50%     { filter: drop-shadow(0 0 6px rgba(255,255,255,0.5)); }
  }

  /* === Mood Arc (Mood Support — smile curve) === */
  .sb-microviz__mood-arc { width: 100%; height: 80px; display: flex; justify-content: center; }
  .sb-microviz__mood-arc-svg { height: 100%; width: auto; max-width: 200px; overflow: visible; }
  .sb-microviz__mood-arc-curve {
    stroke-dasharray: 200; stroke-dashoffset: 200;
    transition: stroke-dashoffset 1.4s cubic-bezier(0.16,1,0.3,1) 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__mood-arc-curve { stroke-dashoffset: 0; }
  .sb-microviz__mood-arc-dot {
    opacity: 0; transform: scale(0);
    transform-box: fill-box; transform-origin: center;
    transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
    transition-delay: calc(var(--ma-i) * 0.3s + 1s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__mood-arc-dot { opacity: 1; transform: scale(1); }
  .sb--in-view .sb__chart--active .sb-microviz__mood-arc-dot:nth-child(3) {
    animation: sb-mood-arc-pulse 2.4s ease-in-out infinite 2s;
  }
  @keyframes sb-mood-arc-pulse {
    0%,100% { filter: drop-shadow(0 0 4px rgba(255,255,255,0.4)); }
    50%     { filter: drop-shadow(0 0 10px rgba(255,255,255,0.7)); }
  }

  /* === Moon Curve (Sleep Quality) === */
  .sb-microviz__moon-curve { width: 100%; height: 80px; display: flex; justify-content: center; }
  .sb-microviz__moon-curve-svg { height: 100%; width: auto; max-width: 200px; overflow: visible; }
  .sb-microviz__moon-curve-shape {
    opacity: 0; transform: scale(0.6);
    transform-box: fill-box; transform-origin: center;
    transition: opacity 0.7s ease 0.3s, transform 0.8s cubic-bezier(0.34,1.56,0.64,1) 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__moon-curve-shape {
    opacity: 1; transform: scale(1);
    animation: sb-moon-glow 3.4s ease-in-out infinite 1.6s;
  }
  @keyframes sb-moon-glow {
    0%,100% { filter: drop-shadow(0 0 4px rgba(255,255,255,0.3)); }
    50%     { filter: drop-shadow(0 0 12px rgba(255,255,255,0.6)); }
  }
  .sb-microviz__moon-star {
    opacity: 0;
    transition: opacity 0.5s ease;
    transition-delay: calc(var(--ms-i) * 0.25s + 1.2s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__moon-star {
    opacity: 1;
    animation: sb-moon-twinkle 2s ease-in-out infinite;
    animation-delay: calc(var(--ms-i) * 0.5s + 2s);
  }
  @keyframes sb-moon-twinkle {
    0%,100% { opacity: 0.4; }
    50%     { opacity: 1; }
  }

  /* === Electrolytes (5 chemical badges) === */
  .sb-microviz__electrolytes {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    height: 72px; width: 100%;
  }
  .sb-microviz__electrolyte {
    width: 40px; height: 40px;
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--clr-white); font-family: var(--font-primary), sans-serif;
    font-size: 11px; font-weight: 500; letter-spacing: 0.02em;
    background: rgba(255,255,255,0.06);
    opacity: 0; transform: scale(0.3) translateY(8px);
    transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
    transition-delay: calc(var(--el-i) * 0.12s + 0.3s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__electrolyte {
    opacity: 1; transform: scale(1) translateY(0);
  }

  /* === Speed Line (Recovery Speed) === */
  .sb-microviz__speed { position: relative; height: 60px; width: 100%; overflow: hidden; }
  .sb-microviz__speed-svg { width: 100%; height: 100%; overflow: visible; }
  .sb-microviz__speed-streak {
    stroke-dasharray: 220 200; stroke-dashoffset: 200;
    transition: stroke-dashoffset 0.8s cubic-bezier(0.16,1,0.3,1);
    transition-delay: calc(var(--sp-i) * 0.12s + 0.4s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__speed-streak {
    stroke-dashoffset: 0;
    animation: sb-speed-flow 2s linear infinite;
    animation-delay: calc(var(--sp-i) * 0.15s + 1.4s);
  }
  @keyframes sb-speed-flow {
    from { stroke-dashoffset: 0; }
    to   { stroke-dashoffset: -420; }
  }

  /* === Muscle Bar (Strength Recovery) === */
  .sb-microviz__muscle-bar { width: 100%; max-width: 240px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
  .sb-microviz__muscle-track {
    position: relative; height: 18px;
    background: rgba(255,255,255,0.08);
    border-radius: 9px; overflow: hidden;
  }
  .sb-microviz__muscle-fill {
    height: 100%; width: 0%;
    background: linear-gradient(90deg, rgba(255,255,255,0.4), rgba(255,255,255,0.95));
    border-radius: 9px;
    transition: width 1.4s cubic-bezier(0.16,1,0.3,1) 0.4s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__muscle-fill { width: 96%; }
  .sb-microviz__muscle-icons {
    display: flex; align-items: flex-end; justify-content: space-between; padding: 0 8px;
  }
  .sb-microviz__muscle-icon {
    background: rgba(255,255,255,0.85); border-radius: 2px;
    opacity: 0; transform: translateY(6px);
    transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
    transition-delay: calc(var(--mi-i) * 0.2s + 0.6s);
  }
  .sb-microviz__muscle-icon--small { width: 8px; height: 10px; }
  .sb-microviz__muscle-icon--med   { width: 10px; height: 16px; }
  .sb-microviz__muscle-icon--large { width: 12px; height: 22px; box-shadow: 0 0 8px rgba(255,255,255,0.4); }
  .sb--in-view .sb__chart--active .sb-microviz__muscle-icon { opacity: 1; transform: translateY(0); }

  /* === Fat Drop (Fat Reduction) === */
  .sb-microviz__fat-drop {
    width: 100%; max-width: 200px; margin: 0 auto;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
  }
  .sb-microviz__fat-drop-bar {
    width: 100%; border-radius: 4px;
    transition: height 1s cubic-bezier(0.45,0,0.55,1) 0.4s;
  }
  .sb-microviz__fat-drop-bar--before {
    background: linear-gradient(90deg, rgba(255,255,255,0.5), rgba(255,255,255,0.3));
    height: 0;
  }
  .sb-microviz__fat-drop-bar--after {
    background: linear-gradient(90deg, rgba(255,255,255,0.85), rgba(255,255,255,0.7));
    height: 0;
  }
  .sb--in-view .sb__chart--active .sb-microviz__fat-drop-bar--before { height: 26px; }
  .sb--in-view .sb__chart--active .sb-microviz__fat-drop-bar--after  {
    height: 18px;
    transition-delay: 1.4s;
  }
  .sb-microviz__fat-drop-arrow {
    width: 18px; height: 22px;
    opacity: 0; transform: translateY(-4px);
    transition: opacity 0.5s ease 1s, transform 0.5s ease 1s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__fat-drop-arrow {
    opacity: 1; transform: translateY(0);
  }

  /* === Growth Line (Growth Hormone) === */
  .sb-microviz__growth { width: 100%; height: 80px; display: flex; justify-content: center; }
  .sb-microviz__growth-svg { height: 100%; width: auto; max-width: 240px; overflow: visible; }
  .sb-microviz__growth-area {
    opacity: 0;
    transition: opacity 0.8s ease 1s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__growth-area { opacity: 1; }
  .sb-microviz__growth-line {
    stroke-dasharray: 240; stroke-dashoffset: 240;
    transition: stroke-dashoffset 1.6s cubic-bezier(0.16,1,0.3,1) 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__growth-line { stroke-dashoffset: 0; }
  .sb-microviz__growth-tip {
    opacity: 0; transform: scale(0);
    transform-box: fill-box; transform-origin: center;
    transition: opacity 0.4s ease 1.7s, transform 0.5s cubic-bezier(0.34,1.56,0.64,1) 1.7s;
    filter: drop-shadow(0 0 6px rgba(255,255,255,0.6));
  }
  .sb--in-view .sb__chart--active .sb-microviz__growth-tip {
    opacity: 1; transform: scale(1);
    animation: sb-growth-pulse 2.4s ease-in-out infinite 2s;
  }
  @keyframes sb-growth-pulse {
    0%,100% { filter: drop-shadow(0 0 6px rgba(255,255,255,0.5)); }
    50%     { filter: drop-shadow(0 0 14px rgba(255,255,255,0.85)); }
  }

  /* === Performance Arc (Performance) === */
  .sb-microviz__performance { width: 100%; height: 80px; display: flex; justify-content: center; }
  .sb-microviz__performance-svg { height: 100%; width: auto; max-width: 160px; overflow: visible; }
  .sb-microviz__performance-arc {
    stroke-dasharray: 130; stroke-dashoffset: 130;
    transition: stroke-dashoffset 1.4s cubic-bezier(0.16,1,0.3,1) 0.4s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__performance-arc { stroke-dashoffset: 0; }
  .sb-microviz__performance-tip {
    opacity: 0; transform: scale(0);
    transform-box: fill-box; transform-origin: center;
    transition: opacity 0.4s ease 1.6s, transform 0.5s cubic-bezier(0.34,1.56,0.64,1) 1.6s;
    filter: drop-shadow(0 0 8px rgba(255,255,255,0.6));
  }
  .sb--in-view .sb__chart--active .sb-microviz__performance-tip {
    opacity: 1; transform: scale(1);
  }

  /* Mobile accordion */
  @media (max-width: 767px) {
    .sb__stage { border-radius: 14px; }
    .sb__grid { display: flex !important; flex-direction: column !important; gap: 0 !important; }
    .sb__left, .sb__right, .sb__tabs { display: contents !important; }
    .sb__header { order: 1; margin-bottom: 24px; }
    .sb__tab { order: var(--item-order, 2); }
    .sb__chart {
      order: var(--item-order, 3);
      position: relative !important; inset: auto !important;
      max-height: 0; overflow: hidden;
      opacity: 0; visibility: hidden; transform: none !important;
      transition: max-height 0.5s cubic-bezier(0.4,0,0.2,1), opacity 0.3s ease, visibility 0.3s ease;
    }
    .sb__chart--active { max-height: 700px; opacity: 1; visibility: visible; margin-top: 12px; margin-bottom: 16px; }
    .sb__chart-glass { height: auto; padding: 22px 16px 20px; }
    .sb__footnote { order: 99; margin-top: 32px; }
    .sb__chart-body--radial { gap: 8px; padding: 12px 0; }
    .sb__stat-number { font-size: 64px; }
    .sb__callout--radial { margin-bottom: 24px; }
    .sb__callout--radial .sb__callout-desc { font-size: 14px; max-width: 280px; }
    .sb-microviz { max-width: 100%; }
    .sb-microviz__cascade { height: 56px; }
    .sb-microviz__cascade-bar { width: 24px; }
    .sb-microviz__spark { height: 48px; }
    .sb-microviz__reduction { gap: 10px; }
    .sb-microviz__reduction-track { height: 20px; }
    .sb-microviz__reduction-label { width: 44px; font-size: 10px; }
    .sb-microviz__progress-circle { width: 88px; height: 88px; }
    .sb-microviz__rings { width: 80px; height: 80px; }
    .sb-microviz__ring:nth-child(1) { width: 36px; height: 36px; }
    .sb-microviz__ring:nth-child(2) { width: 58px; height: 58px; }
    .sb-microviz__ring:nth-child(3) { width: 80px; height: 80px; }
  }

  /* ---- Redesigned micro-visualizations (self-explanatory without labels) ---- */
  .sb-microviz__endur, .sb-microviz__mass, .sb-microviz__uptake,
  .sb-microviz__settle, .sb-microviz__gauge { width: 100%; height: 80px; display: flex; justify-content: center; }
  .sb-microviz__endur-svg, .sb-microviz__mass-svg, .sb-microviz__uptake-svg,
  .sb-microviz__settle-svg, .sb-microviz__gauge-svg { width: 100%; height: 100%; max-width: 240px; overflow: visible; }

  /* Endurance — a faint signal damps out, the bright one holds amplitude */
  .sb-microviz__endur-fade, .sb-microviz__endur-hold {
    stroke-dasharray: 420; stroke-dashoffset: 420;
    transition: stroke-dashoffset 1.7s cubic-bezier(0.16,1,0.3,1) 0.3s;
  }
  .sb-microviz__endur-hold { transition-delay: 0.55s; }
  .sb--in-view .sb__chart--active .sb-microviz__endur-fade,
  .sb--in-view .sb__chart--active .sb-microviz__endur-hold { stroke-dashoffset: 0; }
  .sb-microviz__endur-tip { opacity: 0; transition: opacity 0.4s ease 2.1s; }
  .sb--in-view .sb__chart--active .sb-microviz__endur-tip { opacity: 1; }

  /* Mass — rings contract inward onto a solid core */
  .sb-microviz__mass-ring {
    opacity: 0; transform: scale(1.35); transform-box: fill-box; transform-origin: center;
    transition: opacity .5s ease, transform .9s cubic-bezier(0.16,1,0.3,1);
    transition-delay: calc(var(--ms-i) * 0.16s + 0.3s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__mass-ring { opacity: 1; transform: scale(1); }
  .sb-microviz__mass-core {
    opacity: 0; transform: scale(1.6); transform-box: fill-box; transform-origin: center;
    transition: opacity .5s ease .65s, transform .8s cubic-bezier(0.34,1.56,0.64,1) .65s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__mass-core { opacity: 1; transform: scale(1); }
  .sb-microviz__mass-chev { opacity: 0; transform: translateY(-6px); transition: opacity .45s ease 1.1s, transform .45s ease 1.1s; }
  .sb--in-view .sb__chart--active .sb-microviz__mass-chev { opacity: 1; transform: translateY(0); }

  /* Uptake — a pulse travels the line and the cell receives it */
  .sb-microviz__uptake-pulse {
    stroke-dasharray: 26 116; stroke-dashoffset: 142;
    transition: stroke-dashoffset 1.25s cubic-bezier(0.4,0,0.2,1) 0.45s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__uptake-pulse { stroke-dashoffset: 0; }
  .sb-microviz__uptake-cell {
    opacity: 0.55; transform: scale(0.9); transform-box: fill-box; transform-origin: center;
    transition: opacity .5s ease 1.5s, transform .6s cubic-bezier(0.34,1.56,0.64,1) 1.5s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__uptake-cell { opacity: 1; transform: scale(1); }
  .sb-microviz__uptake-halo {
    opacity: 0; transform: scale(0.6); transform-box: fill-box; transform-origin: center;
    transition: opacity .6s ease 1.6s, transform .8s cubic-bezier(0.16,1,0.3,1) 1.6s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__uptake-halo { opacity: 1; transform: scale(1); }

  /* Settle — volatility resolving into a steady line */
  .sb-microviz__settle-path {
    stroke-dasharray: 460; stroke-dashoffset: 460;
    transition: stroke-dashoffset 2s cubic-bezier(0.16,1,0.3,1) 0.3s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__settle-path { stroke-dashoffset: 0; }
  .sb-microviz__settle-tip { opacity: 0; transition: opacity .45s ease 2.15s; }
  .sb--in-view .sb__chart--active .sb-microviz__settle-tip { opacity: 1; }

  /* Gauge — a metered level sweeping up, with scale ticks */
  .sb-microviz__gauge-fill {
    stroke-dasharray: 189; stroke-dashoffset: 189;
    transition: stroke-dashoffset 1.5s cubic-bezier(0.16,1,0.3,1) 0.45s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__gauge-fill { stroke-dashoffset: 87; }
  .sb-microviz__gauge-ticks line {
    opacity: 0; transition: opacity .4s ease; transition-delay: calc(var(--tk-i) * 0.09s + 0.35s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__gauge-ticks line { opacity: 1; }
  .sb-microviz__gauge-tip {
    opacity: 0; transition: opacity .4s ease 1.5s, transform 1.5s cubic-bezier(0.16,1,0.3,1) 0.45s;
    transform: rotate(0deg); transform-box: view-box; transform-origin: 100px 66px;
  }
  .sb--in-view .sb__chart--active .sb-microviz__gauge-tip { opacity: 1; transform: rotate(97deg); }

  @media (prefers-reduced-motion: reduce) {
    .sb-microviz, .sb-microviz * {
      transition-duration: 0.01ms !important; transition-delay: 0ms !important;
      animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    }
  }

  /* ---- Directional arrows: simple, stylized, unmistakable ---- */
  .sb-microviz__rise, .sb-microviz__drop { width: 100%; height: 80px; display: flex; justify-content: center; }
  .sb-microviz__rise-svg, .sb-microviz__drop-svg { width: 100%; height: 100%; max-width: 240px; overflow: visible; }

  /* Rise — shaft draws up-and-right, head lands, motion echoes trail behind */
  .sb-microviz__rise-shaft {
    stroke-dasharray: 118; stroke-dashoffset: 118;
    transition: stroke-dashoffset 1s cubic-bezier(0.16,1,0.3,1) 0.35s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__rise-shaft { stroke-dashoffset: 0; }
  .sb-microviz__rise-head {
    opacity: 0; transform: translate(-8px, 4px);
    transition: opacity .35s ease 1.15s, transform .5s cubic-bezier(0.34,1.56,0.64,1) 1.15s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__rise-head { opacity: 1; transform: translate(0,0); }
  .sb-microviz__rise-echo {
    opacity: 0; transform: translate(-10px, 4px);
    transition: opacity .5s ease, transform .7s cubic-bezier(0.16,1,0.3,1);
    transition-delay: calc(var(--rs-i) * 0.14s + 1.3s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__rise-echo { opacity: 1; transform: translate(0,0); }
  .sb--in-view .sb__chart--active .sb-microviz__rise-svg { animation: sb-rise-float 3.2s ease-in-out infinite 1.9s; }
  @keyframes sb-rise-float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(3px,-3px); } }

  /* Drop — shaft draws downward, head lands, chevrons cascade above it */
  .sb-microviz__drop-shaft {
    stroke-dasharray: 46; stroke-dashoffset: 46;
    transition: stroke-dashoffset .9s cubic-bezier(0.16,1,0.3,1) 0.35s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__drop-shaft { stroke-dashoffset: 0; }
  .sb-microviz__drop-head {
    opacity: 0; transform: translateY(-8px);
    transition: opacity .35s ease 1.05s, transform .5s cubic-bezier(0.34,1.56,0.64,1) 1.05s;
  }
  .sb--in-view .sb__chart--active .sb-microviz__drop-head { opacity: 1; transform: translateY(0); }
  .sb-microviz__drop-echo {
    opacity: 0; transform: translateY(-8px);
    transition: opacity .5s ease, transform .7s cubic-bezier(0.16,1,0.3,1);
    transition-delay: calc(var(--dp-i) * 0.14s + 1.2s);
  }
  .sb--in-view .sb__chart--active .sb-microviz__drop-echo { opacity: 1; transform: translateY(0); }
  .sb--in-view .sb__chart--active .sb-microviz__drop-svg { animation: sb-drop-float 3.2s ease-in-out infinite 1.8s; }
  @keyframes sb-drop-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(4px); } }