/* Basics of Training - full light layout */

html {
  scroll-behavior: smooth;
}

.basics-page {
  --basics-header-offset: 72px;
  --basics-subnav-height: 40px;
  --basics-light-bg: var(--page-bg, #f9f9f9);
  --basics-light-bg-alt: var(--page-bg-alt, #ffffff);
  --basics-text: var(--page-text, #18181b);
  --basics-text-strong: var(--page-text-strong, #09090b);
  --basics-text-muted: var(--page-text-muted, #a1a1aa);
  --basics-text-subtle: var(--page-text-subtle, #71717a);
  --basics-border: var(--page-border, #e4e4e7);
  --basics-callout-bg: #eff6ff;
  --basics-callout-remember-bg: #f4f4f5;
}

.basics-page > main {
  padding-top: calc(var(--basics-header-offset) + 1.5rem);
}

/* ── Hero zone (light) ── */

.basics-hero {
  border-bottom: 1px solid var(--basics-border);
  background-color: var(--basics-light-bg);
}

.basics-hero__eyebrow {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: #3b82f6;
}

.basics-hero__title {
  margin-top: 1rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--basics-text-strong);
}

.basics-hero__intro {
  margin-top: 1.5rem;
  max-width: 42rem;
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--basics-text-subtle);
}

/* ── Quick summary list ── */

.basics-summary-lead {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--basics-border);
  max-width: 42rem;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--basics-text-subtle);
}

.basics-summary {
  margin-top: 2rem;
  border: 1px solid var(--basics-border);
  border-radius: 2px;
  background-color: var(--basics-light-bg-alt);
}

.basics-summary__item {
  padding: 1.75rem 1.75rem 1.5rem;
}

.basics-summary__item + .basics-summary__item {
  border-top: 1px solid var(--basics-border);
}

.basics-summary__title {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--basics-text-strong);
  line-height: 1.3;
}

.basics-summary__list {
  margin-top: 1rem;
  padding-left: 1.25rem;
  list-style: disc;
}

.basics-summary__list li {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--basics-text-subtle);
}

.basics-summary__list li + li {
  margin-top: 0.5rem;
}

.basics-summary__list strong {
  font-weight: 600;
  color: var(--basics-text);
}

.basics-summary__cta {
  display: inline-flex;
  margin-top: 1.25rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgb(37 99 235);
  transition: color 0.2s ease;
}

.basics-summary__cta:hover {
  color: rgb(59 130 246);
}

.basics-summary__cta:focus-visible {
  outline: 2px solid rgb(37 99 235);
  outline-offset: 2px;
}

/* ── Inline section links (desktop header) ── */

.site-header__sections {
  display: none;
}

.site-header__sections-label--short {
  display: none;
}

@media (min-width: 1024px) {
  .site-header--with-sections .site-header__nav {
    gap: 1.5rem;
  }

  .site-header--with-sections .site-header__sections {
    display: flex;
    flex: 1;
    min-width: 0;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.125rem 0.75rem;
  }

  .site-header--with-sections .site-header__sections .basics-subnav__link {
    min-height: auto;
    padding: 0.25rem 0.625rem;
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
  }

  .site-header--with-sections .site-header__links {
    flex-shrink: 0;
  }
}

@media (min-width: 1024px) and (max-width: 1199px) {
  .site-header__sections-label--long {
    display: none;
  }

  .site-header__sections-label--short {
    display: inline;
  }
}

/* ── Sub-navigation ── */

@media (min-width: 1024px) {
  .basics-subnav-wrap {
    display: none;
  }

  .basics-page {
    --basics-subnav-height: 0px;
  }
}

@media (max-width: 1023px) {
  .basics-page > main {
    padding-top: calc(var(--basics-header-offset) + 1.5rem);
  }

  .basics-subnav-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: var(--basics-subnav-height);
    margin: 0;
    overflow: hidden;
    border-top: 1px solid var(--basics-border);
    background-color: #f4f4f5;
  }

  .basics-subnav {
    flex: 1;
    min-height: 0;
    flex-wrap: nowrap;
    gap: 0.125rem;
    padding: 0 1.25rem;
    border: none;
    background-color: transparent;
    align-items: center;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    overscroll-behavior-y: none;
    touch-action: pan-x;
    scrollbar-width: none;
  }

  .basics-subnav::-webkit-scrollbar {
    display: none;
  }

  .basics-subnav-scrollbar {
    flex-shrink: 0;
    box-sizing: border-box;
    height: 0;
    padding: 0 1.25rem;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }

  .basics-subnav-wrap--overflow .basics-subnav-scrollbar {
    height: 8px;
    padding-top: 3px;
    padding-bottom: 3px;
    opacity: 0.35;
    pointer-events: auto;
  }

  .basics-subnav-wrap--overflow:hover .basics-subnav-scrollbar,
  .basics-subnav-wrap--overflow.is-scrolling .basics-subnav-scrollbar,
  .basics-subnav-wrap--overflow:has(.basics-subnav-scrollbar__thumb.is-dragging) .basics-subnav-scrollbar {
    opacity: 0.65;
  }

  .basics-subnav-scrollbar__track {
    position: relative;
    width: 100%;
    height: 2px;
    background-color: rgb(228 228 231 / 0.45);
    cursor: pointer;
  }

  .basics-subnav-scrollbar__thumb {
    position: absolute;
    top: 0;
    left: 0;
    height: 2px;
    min-width: 16px;
    width: var(--subnav-thumb-size, 16px);
    border-radius: 1px;
    background-color: rgb(161 161 170 / 0.55);
    cursor: grab;
    transform: translateX(var(--subnav-thumb-offset, 0px));
    transition: transform 0.12s ease-out, background-color 0.2s ease;
    touch-action: none;
  }

  .basics-subnav-scrollbar__thumb.is-dragging {
    cursor: grabbing;
    background-color: rgb(161 161 170 / 0.8);
    transition: none;
  }

  @media (prefers-reduced-motion: reduce) {
    .basics-subnav-scrollbar {
      transition: none;
    }

    .basics-subnav-scrollbar__thumb {
      transition: none;
    }
  }

  .basics-subnav__link {
    min-height: 0;
    align-self: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
    border-bottom-width: 1.5px;
  }
}

.basics-subnav-wrap {
  position: relative;
}

.basics-subnav {
  z-index: 40;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.25rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--basics-border);
  border-bottom: 1px solid var(--basics-border);
  background-color: var(--basics-light-bg-alt);
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  overscroll-behavior-y: none;
  touch-action: pan-x;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.basics-subnav::-webkit-scrollbar {
  display: none;
}

.basics-subnav__link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 1rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--basics-text-subtle);
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.basics-subnav__link:hover {
  color: var(--basics-text);
}

.basics-subnav__link.is-active {
  color: rgb(37 99 235);
  border-bottom-color: rgb(37 99 235);
}

.basics-subnav__sep {
  flex-shrink: 0;
  color: var(--basics-border);
  font-size: 0.625rem;
  user-select: none;
}

/* ── Content zone ── */

.basics-content-zone {
  position: relative;
  background-color: var(--basics-light-bg);
  color: var(--basics-text);
}

/* ── Content sections ── */

.basics-section {
  scroll-margin-top: calc(var(--basics-header-offset) + 1rem);
  border-bottom: 1px solid var(--basics-border);
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (min-width: 640px) {
  .basics-section {
    padding-top: 7rem;
    padding-bottom: 7rem;
  }
}

.basics-section--base {
  background-color: var(--basics-light-bg);
}

.basics-section--alt {
  background-color: var(--basics-light-bg-alt);
}

.basics-section__inner {
  margin-left: auto;
  margin-right: auto;
  max-width: 56rem;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 640px) {
  .basics-section__inner {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 1024px) {
  .basics-section__inner {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

/* ── Content typography ── */

.basics-content-zone .basics-section-number {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--basics-text-muted);
}

.basics-content-zone .basics-section-title {
  margin-top: 0.75rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--basics-text-strong);
}

.basics-content-zone .basics-section-kicker {
  margin-top: 0.5rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--basics-text-subtle);
}

.basics-content-zone .basics-heading {
  margin-top: 3rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--basics-text-strong);
}

.basics-content-zone .basics-prose {
  margin-top: 1.5rem;
}

.basics-content-zone .basics-prose p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--basics-text);
}

@media (min-width: 640px) {
  .basics-content-zone .basics-prose p {
    font-size: 1.0625rem;
  }
}

.basics-content-zone .basics-prose p + p {
  margin-top: 1.5rem;
}

.basics-content-zone .basics-prose a,
.basics-content-zone .basics-pillar-list__body a {
  color: rgb(37 99 235);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.basics-content-zone strong {
  font-weight: 600;
  color: var(--basics-text-strong);
}

.basics-content-zone .basics-check-list {
  margin-top: 1.5rem;
  list-style: none;
  padding: 0;
}

.basics-content-zone .basics-check-list > li + li {
  margin-top: 1rem;
}

.basics-content-zone .check-item {
  display: flex;
  gap: 0.75rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--basics-text);
}

.basics-content-zone .basics-note {
  margin-top: 0.5rem;
  padding: 0;
  border: none;
  border-radius: 0;
  background-color: transparent;
  font-size: 0.8125rem;
  line-height: 1.5;
  font-style: italic;
  color: var(--basics-text-muted);
}

@media (min-width: 640px) {
  .basics-content-zone .basics-note {
    margin-top: 0.75rem;
    max-width: 36rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--basics-border);
    border-radius: 2px;
    background-color: var(--basics-light-bg-alt);
    font-size: 0.875rem;
    font-style: normal;
    color: var(--basics-text-subtle);
  }
}

.basics-content-zone .basics-placeholder-list {
  margin-top: 1.5rem;
  list-style: none;
  padding: 0;
}

.basics-content-zone .basics-placeholder-list > li {
  display: flex;
  gap: 0.75rem;
  min-height: 1.75rem;
  color: var(--basics-text-muted);
}

/* ── Callout boxes (light) ── */

.basics-content-zone .basics-callout {
  margin-top: 2.5rem;
  padding: 1.75rem 2rem;
  border: 1px solid var(--basics-border);
  border-left: 4px solid rgb(37 99 235);
  border-radius: 2px;
  background-color: var(--basics-callout-bg);
}

@media (min-width: 640px) {
  .basics-content-zone .basics-callout {
    padding: 2rem 2.5rem;
  }
}

.basics-content-zone .basics-callout__label {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgb(37 99 235);
}

.basics-content-zone .basics-callout__body {
  margin-top: 0.75rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--basics-text);
}

.basics-content-zone .basics-callout__body p + p {
  margin-top: 1rem;
}

.basics-content-zone .basics-callout--highlight {
  border-left-color: rgb(37 99 235);
  background-color: var(--basics-callout-bg);
}

.basics-content-zone .basics-callout--remember {
  border-left-color: rgb(113 113 122);
  background-color: var(--basics-callout-remember-bg);
}

.basics-content-zone .basics-callout--remember .basics-callout__label {
  color: var(--basics-text-strong);
}

/* ── Strength + cardio connection panel ── */

.basics-strength-connection {
  margin-top: 2.5rem;
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--basics-border);
  border-radius: 2px;
  background: linear-gradient(165deg, rgb(248 250 252) 0%, var(--basics-light-bg) 55%);
}

@media (min-width: 640px) {
  .basics-strength-connection {
    padding: 2rem 2.25rem;
  }
}

.basics-strength-connection__title {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--basics-text-strong);
  text-align: center;
}

.basics-strength-connection__panels {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .basics-strength-connection__panels {
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
    gap: 1rem;
  }
}

.basics-strength-connection__panel {
  padding: 1rem 1.125rem;
  border: 1px solid var(--basics-border);
  border-radius: 2px;
  background-color: var(--basics-light-bg-alt);
}

.basics-strength-connection__panel-label {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgb(37 99 235);
}

.basics-strength-connection__panel-text {
  margin: 0.5rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--basics-text);
}

.basics-strength-connection__divider {
  display: flex;
  align-items: center;
  justify-content: center;
}

.basics-strength-connection__plus {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--basics-border);
  border-radius: 50%;
  background-color: var(--basics-light-bg-alt);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1;
  color: var(--basics-text-subtle);
}

.basics-strength-connection__footer {
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--basics-border);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.55;
  text-align: center;
  color: var(--basics-text-strong);
}

#blueprint h3.basics-heading {
  margin-top: 6.75rem;
}

#blueprint h3.basics-heading:first-of-type {
  margin-top: 3.75rem;
}

#blueprint .basics-blueprint-recs {
  margin-bottom: 0.75rem;
}

#blueprint .basics-step-guide {
  margin-bottom: 0.75rem;
}

.basics-content-zone .basics-blueprint-recs {
  margin-top: 1.5rem;
}

.basics-content-zone .basics-blueprint-recs .basics-pillar-list__title {
  padding-left: 0.75rem;
  border-left: 3px solid rgb(37 99 235);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--basics-text-strong);
}

.basics-content-zone .basics-blueprint-recs .basics-blueprint-recs__list {
  margin-top: 1rem;
  padding: 0;
  list-style: none;
}

.basics-content-zone .basics-blueprint-recs .basics-blueprint-recs__list > li {
  padding-left: 2rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--basics-text);
}

.basics-content-zone .basics-blueprint-recs .basics-blueprint-recs__list > li + li {
  margin-top: 0.875rem;
}

.basics-content-zone .basics-week-plan__tiers {
  margin-top: 1.5rem;
  padding-left: 1rem;
  border-left: 2px solid rgb(37 99 235 / 0.15);
}

@media (min-width: 640px) {
  .basics-content-zone .basics-week-plan__tiers {
    padding-left: 1.5rem;
  }
}

/* ── How to Start: step-by-step guide ── */

.basics-content-zone .basics-step-guide {
  margin-top: 2rem;
  display: grid;
  gap: 0;
}

.basics-content-zone .basics-step-guide__step {
  position: relative;
  padding: 0 0 2rem 2.75rem;
}

.basics-content-zone .basics-step-guide__step::before {
  content: "";
  position: absolute;
  left: 0.6875rem;
  top: 2.25rem;
  bottom: 0;
  width: 2px;
  background-color: rgb(37 99 235 / 0.2);
}

.basics-content-zone .basics-step-guide__step--last::before {
  display: none;
}

.basics-content-zone .basics-step-guide__header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.basics-content-zone .basics-step-guide__index {
  position: absolute;
  left: 0;
  top: 0.125rem;
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 1.375rem;
  height: 1.375rem;
  border-radius: 50%;
  background-color: rgb(37 99 235);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
  color: #fff;
}

.basics-content-zone .basics-step-guide__title {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--basics-text-strong);
}

.basics-content-zone .basics-step-guide__lead {
  margin: 0.5rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--basics-text-subtle);
}

.basics-content-zone .basics-step-guide__goals {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

@media (min-width: 640px) {
  .basics-content-zone .basics-step-guide__goals {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.875rem;
  }
}

.basics-content-zone .basics-step-guide__goal {
  padding: 1rem 1.125rem;
  border: 1px solid var(--basics-border);
  border-radius: 2px;
  background-color: var(--basics-light-bg);
}

.basics-content-zone .basics-step-guide__goal-label {
  display: block;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgb(37 99 235);
}

.basics-content-zone .basics-step-guide__goal-text {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--basics-text-strong);
}

.basics-content-zone .basics-step-guide__loop {
  margin: 1.25rem 0 0;
  padding: 0.875rem 1rem;
  border: 1px dashed rgb(37 99 235 / 0.45);
  border-radius: 2px;
  background-color: rgb(239 246 255 / 0.6);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  color: var(--basics-text-strong);
}

/* ── Speech bubble (Q&A) ── */

.basics-content-zone .basics-speech {
  margin: 2rem 0 0;
  max-width: 40rem;
}

.basics-content-zone .basics-speech__quote {
  position: relative;
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--basics-border);
  border-radius: 1rem 1rem 1rem 0.25rem;
  background-color: var(--basics-light-bg-alt);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.04);
}

.basics-content-zone .basics-speech__quote::before,
.basics-content-zone .basics-speech__quote::after {
  content: "";
  position: absolute;
  bottom: -9px;
  left: 1rem;
  width: 0;
  height: 0;
  border: 9px solid transparent;
  border-top-color: var(--basics-border);
  border-bottom: 0;
}

.basics-content-zone .basics-speech__quote::after {
  bottom: -7px;
  left: 1.0625rem;
  border-width: 8px;
  border-top-color: var(--basics-light-bg-alt);
}

.basics-content-zone .basics-speech__quote p {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  font-style: italic;
  line-height: 1.45;
  white-space: nowrap;
  color: var(--basics-text-strong);
}

.basics-content-zone .basics-speech__quote p::before {
  content: "\201C";
  color: rgb(37 99 235);
}

.basics-content-zone .basics-speech__quote p::after {
  content: "\201D";
  color: rgb(37 99 235);
}

.basics-content-zone .basics-speech__reply {
  position: relative;
  margin-top: 1.25rem;
  margin-left: 0.375rem;
  padding: 1.125rem 1.25rem;
  border: 1px solid rgb(191 219 254);
  border-radius: 0.25rem 1rem 1rem 1rem;
  background-color: var(--basics-callout-bg);
  box-shadow: 0 1px 2px rgb(37 99 235 / 0.06);
}

.basics-content-zone .basics-speech__reply::before,
.basics-content-zone .basics-speech__reply::after {
  content: "";
  position: absolute;
  top: -9px;
  left: 0.875rem;
  width: 0;
  height: 0;
  border: 9px solid transparent;
  border-bottom-color: rgb(191 219 254);
  border-top: 0;
}

.basics-content-zone .basics-speech__reply::after {
  top: -7px;
  left: 0.9375rem;
  border-width: 8px;
  border-bottom-color: var(--basics-callout-bg);
}

.basics-content-zone .basics-speech__reply p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--basics-text);
  overflow-wrap: break-word;
}

@media (max-width: 380px) {
  .basics-content-zone .basics-speech__quote p {
    font-size: 0.8125rem;
  }
}

@media (min-width: 640px) {
  .basics-content-zone .basics-speech {
    margin-top: 2.5rem;
  }

  .basics-content-zone .basics-speech__quote {
    padding: 0.875rem 1.25rem;
  }

  .basics-content-zone .basics-speech__quote::before,
  .basics-content-zone .basics-speech__quote::after {
    left: 1.25rem;
  }

  .basics-content-zone .basics-speech__quote::after {
    left: 1.3125rem;
  }

  .basics-content-zone .basics-speech__quote p {
    font-size: 1rem;
  }

  .basics-content-zone .basics-speech__reply {
    margin-top: 1.75rem;
    margin-left: 1.5rem;
    padding: 1.75rem 2rem;
  }

  .basics-content-zone .basics-speech__reply::before,
  .basics-content-zone .basics-speech__reply::after {
    left: 1.25rem;
  }

  .basics-content-zone .basics-speech__reply::after {
    left: 1.3125rem;
  }

  .basics-content-zone .basics-speech__reply p {
    font-size: 1.0625rem;
    line-height: 1.75;
  }
}

.basics-content-zone .basics-principles {
  margin-top: 3rem;
  padding: 2rem 2.5rem;
  border: 1px solid var(--basics-border);
  border-left: 4px solid rgb(37 99 235);
  border-radius: 2px;
  background-color: var(--basics-callout-bg);
}

.basics-content-zone .basics-principles__title {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgb(37 99 235);
}

.basics-content-zone .basics-principles .basics-check-list {
  margin-top: 1.5rem;
}

/* ── Strength pillar vertical list ── */

.basics-pillar-list {
  margin-top: 2rem;
  padding: 0;
  list-style: none;
  counter-reset: pillar;
}

.basics-pillar-list__item {
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--basics-border);
}

.basics-pillar-list__item:first-child {
  padding-top: 0.5rem;
}

.basics-pillar-list__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.basics-pillar-list--bottom-border .basics-pillar-list__item:last-child {
  border-bottom: 1px solid var(--basics-border);
  padding-bottom: 1.5rem;
}

.basics-pillar-list__title {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 1.1875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: rgb(37 99 235);
}

.basics-pillar-list__title--strong {
  color: var(--basics-text-strong);
}

.basics-pillar-list__dose {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--basics-text-strong);
}

.basics-pillar-list__body {
  margin-top: 0.875rem;
  max-width: 65ch;
}

.basics-pillar-list__body p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--basics-text);
}

.basics-pillar-list__body p + p {
  margin-top: 0.875rem;
}

.basics-pillar-list__body .basics-carb-compare {
  max-width: none;
}

.basics-carb-compare {
  margin-top: 1.25rem;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 540px) {
  .basics-carb-compare {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

.basics-carb-compare__label {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--basics-text-strong);
}

.basics-carb-compare__list {
  margin-top: 0.75rem;
}

.basics-carb-compare__list > li + li {
  margin-top: 0.625rem;
}

/* ── How to Start: progress cycle graphic ── */

.basics-progress-cycle {
  margin-top: 2rem;
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--basics-border);
  border-radius: 2px;
  background-color: var(--basics-light-bg);
}

@media (min-width: 640px) {
  .basics-progress-cycle {
    padding: 1.75rem 2rem;
  }
}

.basics-progress-cycle__label {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgb(37 99 235);
}

.basics-progress-cycle__lead {
  margin: 0.625rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--basics-text-subtle);
}

.basics-progress-cycle__pipeline {
  display: grid;
  gap: 0;
}

.basics-progress-cycle__pipeline-wrap {
  margin-top: 1.5rem;
}

@media (min-width: 720px) {
  .basics-progress-cycle__pipeline-wrap {
    position: relative;
  }
}

@media (min-width: 720px) {
  .basics-progress-cycle__pipeline {
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    align-items: stretch;
    gap: 0 0.375rem;
  }
}

.basics-progress-cycle__phase {
  position: relative;
  padding: 1rem 0.875rem;
  border: 1px solid var(--basics-border);
  border-radius: 2px;
  background-color: #fff;
}

.basics-progress-cycle__phase--repeat {
  border-style: dashed;
  border-color: rgb(37 99 235 / 0.45);
  background-color: rgb(239 246 255 / 0.6);
}

@media (min-width: 720px) {
  .basics-progress-cycle__phase {
    min-height: 7.5rem;
    padding: 1rem 0.75rem;
  }
}

.basics-progress-cycle__phase + .basics-progress-cycle__connector {
  margin-block: 0.375rem;
}

@media (min-width: 720px) {
  .basics-progress-cycle__phase + .basics-progress-cycle__connector {
    margin-block: 0;
  }
}

.basics-progress-cycle__phase-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.375rem;
  height: 1.375rem;
  border-radius: 50%;
  background-color: rgb(37 99 235);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
  color: #fff;
}

.basics-progress-cycle__phase-title {
  margin: 0.625rem 0 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--basics-text-strong);
}

.basics-progress-cycle__phase-desc {
  margin: 0.375rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--basics-text-subtle);
}

.basics-progress-cycle__connector {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 1.75rem;
  color: rgb(37 99 235);
}

.basics-progress-cycle__connector::after {
  content: "↓";
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
}

@media (min-width: 720px) {
  .basics-progress-cycle__connector {
    align-self: center;
    min-height: auto;
    width: 1.25rem;
  }

  .basics-progress-cycle__connector::after {
    content: "→";
  }
}

.basics-progress-cycle__mobile-loop {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4375rem;
  margin-top: 0.625rem;
  padding: 0.5rem 0.875rem;
  border: 1px dashed rgb(37 99 235 / 0.4);
  border-radius: 999px;
  background-color: rgb(239 246 255 / 0.7);
}

.basics-progress-cycle__mobile-loop-icon {
  font-size: 1rem;
  line-height: 1;
  color: rgb(37 99 235);
}

.basics-progress-cycle__mobile-loop-text {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgb(37 99 235);
}

@media (min-width: 720px) {
  .basics-progress-cycle__mobile-loop {
    display: none;
  }
}

.basics-progress-cycle__loop-row {
  display: none;
}

@media (min-width: 720px) {
  .basics-progress-cycle__loop-row {
    --loop-svg-height: 2.375rem;
    position: relative;
    display: block;
    grid-column: 1 / -1;
    margin-top: 0.125rem;
    padding-inline: 0.125rem;
  }
}

.basics-progress-cycle__loop-svg {
  display: block;
  width: 100%;
  height: var(--loop-svg-height, 2.375rem);
  overflow: visible;
}

.basics-progress-cycle__loop-path {
  fill: none;
  stroke: rgb(37 99 235);
  stroke-width: 1.75;
  stroke-linecap: butt;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  opacity: 0.8;
}

/* Path ends at (11.5, 6); polygon base center shares that point. */
.basics-progress-cycle__loop-arrowhead {
  fill: rgb(37 99 235);
  opacity: 0.8;
}

.basics-progress-cycle__loop-text {
  margin: 0.25rem 0 0;
  font-size: 0.75rem;
  line-height: 1.4;
  text-align: center;
  color: var(--basics-text-subtle);
}

/* ── Double progression inline figure ── */

.basics-double-progression {
  margin: 1.25rem 0 0;
  padding: 1rem 1rem 1.125rem;
  border: 1px solid var(--basics-border);
  border-radius: 2px;
  background-color: var(--basics-light-bg);
}

.basics-double-progression__lead {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--basics-text);
}

.basics-double-progression__title {
  display: block;
  margin-bottom: 0.5rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--basics-text-strong);
}

.basics-double-progression__steps-list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--basics-text);
}

.basics-double-progression__steps-list li {
  position: relative;
  padding-left: 0.875rem;
}

.basics-double-progression__steps-list li + li {
  margin-top: 0.2rem;
}

.basics-double-progression__steps-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 50%;
  background-color: rgb(37 99 235);
  transform: translateY(-50%);
}

.basics-double-progression__cycles {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
}

@media (max-width: 479px) {
  .basics-double-progression__cycles {
    flex-direction: column;
    align-items: stretch;
  }

  .basics-double-progression__bridge {
    flex-direction: row;
    min-height: auto;
    padding-block: 0.25rem;
  }

  .basics-double-progression__bridge-line {
    width: 100%;
    height: 1px;
    border-top: 1px dashed rgb(37 99 235 / 0.45);
    border-left: none;
  }
}

.basics-double-progression__cycle {
  flex: 1;
  min-width: 0;
  padding: 0.625rem 0.5rem 0.5rem;
  border: 1px solid var(--basics-border);
  border-radius: 2px;
  background-color: #fff;
}

.basics-double-progression__weight {
  display: block;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: center;
  color: rgb(37 99 235);
}

.basics-double-progression__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.375rem;
  margin-top: 0.5rem;
}

.basics-double-progression__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.basics-double-progression__bar-wrap {
  display: flex;
  align-items: flex-end;
  width: 100%;
  height: 2.25rem;
  padding: 0 0.125rem;
  border-radius: 1px;
  background-color: rgb(241 245 249);
}

.basics-double-progression__bar {
  width: 100%;
  height: calc((var(--reps) - 5) / 3 * 100%);
  min-height: 0.375rem;
  border-radius: 1px;
  background: linear-gradient(180deg, rgb(59 130 246), rgb(37 99 235));
}

.basics-double-progression__step--top .basics-double-progression__bar {
  background: linear-gradient(180deg, rgb(34 197 94), rgb(22 163 74));
}

.basics-double-progression__reps {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--basics-text-strong);
}

.basics-double-progression__step--top .basics-double-progression__reps {
  color: rgb(22 163 74);
}

.basics-double-progression__session {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--basics-text-muted);
}

.basics-double-progression__bridge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  gap: 0.25rem;
  min-height: 5.5rem;
  padding-inline: 0.125rem;
}

.basics-double-progression__bridge-line {
  flex: 1;
  width: 1px;
  border-left: 1px dashed rgb(37 99 235 / 0.45);
}

.basics-double-progression__bridge-label {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: rgb(37 99 235);
}

.basics-double-progression__range {
  margin: 0.75rem 0 0;
  font-size: 0.75rem;
  line-height: 1.4;
  text-align: center;
  color: var(--basics-text-muted);
}

.basics-double-progression__note {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--basics-text-subtle);
}

.basics-pillar-list__body .basics-double-progression__range,
.basics-pillar-list__body .basics-double-progression__note {
  margin-top: 0.75rem;
}

.basics-pillar-list__body .basics-double-progression__note {
  margin-top: 0.5rem;
}

/* ── Coaching CTA band ── */

.basics-cta {
  border-top: 1px solid var(--basics-border);
  background-color: var(--basics-light-bg-alt);
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.basics-cta__inner {
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  text-align: center;
}

@media (min-width: 640px) {
  .basics-cta__inner {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.basics-cta__text {
  color: var(--basics-text-subtle);
}

.basics-cta__button {
  display: inline-block;
  margin-top: 1.5rem;
  border-radius: 2px;
  background-color: #2563eb;
  padding: 1rem 2.5rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  color: #ffffff;
  transition: background-color 0.2s ease;
}

.basics-cta__button:hover {
  background-color: #3b82f6;
}

/* ── Check icons ── */

.check-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%232563eb'%3E%3Cpath fill-rule='evenodd' d='M16.704 4.153a.75.75 0 01.143 1.052l-8 10.5a.75.75 0 01-1.127.075l-4.5-4.5a.75.75 0 011.06-1.06l3.894 3.893 7.48-9.817a.75.75 0 011.05-.143z' clip-rule='evenodd'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ── Cardio: longevity risk charts ── */

.basics-longevity-graph,
.basics-vo2-dose {
  margin-top: 2.5rem;
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--basics-border);
  border-radius: 2px;
  background-color: var(--basics-light-bg);
}

@media (min-width: 640px) {
  .basics-longevity-graph,
  .basics-vo2-dose {
    padding: 2rem 2.25rem;
  }
}

.basics-longevity-graph__title,
.basics-vo2-dose__title {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--basics-text-strong);
}

.basics-longevity-graph__subtitle,
.basics-vo2-dose__subtitle {
  margin-top: 0.625rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--basics-text-subtle);
}

.basics-vo2-dose__subtitle--key {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  font-size: 1.0625rem;
  line-height: 1.65;
  font-weight: 500;
  color: var(--basics-text-strong);
  background-color: rgb(239 246 255);
  border-left: 3px solid rgb(37 99 235);
  border-radius: 2px;
}

.basics-vo2-dose__highlight {
  font-weight: 700;
  color: rgb(29 78 216);
}

.basics-longevity-graph__axis {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.basics-longevity-graph__row {
  display: grid;
  grid-template-columns: minmax(7rem, 9.5rem) 1fr minmax(8rem, 1.4fr);
  align-items: center;
  gap: 0.5rem 0.75rem;
}

@media (max-width: 479px) {
  .basics-longevity-graph__row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .basics-longevity-graph__risk {
    justify-self: start;
  }
}

.basics-longevity-graph__label {
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--basics-text-strong);
}

.basics-longevity-graph__row--danger .basics-longevity-graph__label {
  font-weight: 600;
}

.basics-longevity-graph__bar-wrap {
  min-width: 0;
  height: 1.375rem;
  border-radius: 2px;
  background-color: var(--basics-border);
  overflow: hidden;
}

.basics-longevity-graph__bar {
  height: 100%;
  min-width: 4px;
  border-radius: 2px;
  transition: width 0.4s ease;
}

.basics-longevity-graph__bar--elite {
  background: linear-gradient(90deg, rgb(37 99 235), rgb(59 130 246));
}

.basics-longevity-graph__bar--high {
  background: linear-gradient(90deg, rgb(29 78 216), rgb(37 99 235));
}

.basics-longevity-graph__bar--above {
  background: linear-gradient(90deg, rgb(37 99 235), rgb(96 165 250));
}

.basics-longevity-graph__bar--below {
  background: linear-gradient(90deg, rgb(217 119 6), rgb(245 158 11));
}

.basics-longevity-graph__bar--low {
  background: linear-gradient(90deg, rgb(185 28 28), rgb(239 68 68));
}

.basics-longevity-graph__row--danger .basics-longevity-graph__bar-wrap {
  box-shadow: 0 0 0 1px rgba(185, 28, 28, 0.25);
}

.basics-longevity-graph__risk {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  text-align: right;
  line-height: 1.35;
  color: var(--basics-text-subtle);
}

.basics-longevity-graph__risk-pct {
  font-weight: 400;
  color: var(--basics-text-muted, var(--basics-text-subtle));
}

.basics-longevity-graph__risk--danger {
  font-weight: 700;
  color: rgb(185 28 28);
}

.basics-vo2-dose {
  margin-top: 2rem;
}

.basics-longevity-graph__footnote,
.basics-vo2-dose__footnote {
  margin-top: 1rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--basics-text-muted);
}

.basics-study-link {
  color: rgb(37 99 235);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.basics-study-link:hover {
  color: rgb(29 78 216);
}

.basics-study-link--subtle,
.basics-content-zone .basics-prose .basics-study-link--subtle {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--basics-text-muted);
}

.basics-study-link--subtle:hover,
.basics-content-zone .basics-prose .basics-study-link--subtle:hover {
  color: var(--basics-text-subtle);
}

/* ── Cardio: VO₂ dose-response line chart ── */

.basics-vo2-dose__chart {
  margin: 1.25rem 0 0;
  padding: 0;
}

.basics-vo2-dose__svg {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  margin-inline: auto;
}

.basics-vo2-dose__axis {
  stroke: var(--basics-border);
  stroke-width: 1.5;
}

.basics-vo2-dose__grid {
  stroke: var(--basics-border);
  stroke-width: 1;
  stroke-dasharray: 4 4;
  opacity: 0.6;
}

.basics-vo2-dose__axis-label {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 500;
  fill: var(--basics-text-subtle);
}

.basics-vo2-dose__tick {
  font-family: system-ui, sans-serif;
  font-size: 10px;
  fill: var(--basics-text-muted);
  text-anchor: end;
}

.basics-vo2-dose__tick--x {
  text-anchor: middle;
}

.basics-vo2-dose__band {
  fill: rgb(37 99 235 / 0.06);
}

.basics-vo2-dose__band--strong {
  fill: rgb(37 99 235 / 0.12);
}

.basics-vo2-dose__line {
  stroke: url(#vo2-line-grad);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.basics-vo2-dose__dot {
  stroke: #ffffff;
  stroke-width: 2;
}

.basics-vo2-dose__dot--low {
  fill: rgb(239 68 68);
}

.basics-vo2-dose__dot--below {
  fill: rgb(245 158 11);
}

.basics-vo2-dose__dot--above {
  fill: rgb(59 130 246);
}

.basics-vo2-dose__dot--high {
  fill: rgb(37 99 235);
}

.basics-vo2-dose__dot--elite {
  fill: rgb(29 78 216);
}

.basics-vo2-dose__point-label {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 9px;
  font-weight: 600;
  fill: var(--basics-text-strong);
}

.basics-vo2-dose__point-risk {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 9px;
  font-weight: 500;
  fill: var(--basics-text-subtle);
}

.basics-vo2-dose__drop-line {
  stroke: rgb(22 163 74 / 0.35);
  stroke-width: 1;
  stroke-dasharray: 3 3;
}

.basics-vo2-dose__drop {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 10px;
  font-weight: 700;
  fill: rgb(22 163 74);
}

.basics-vo2-dose__callout-bg {
  fill: rgb(239 246 255);
  stroke: rgb(37 99 235 / 0.25);
  stroke-width: 1;
}

.basics-vo2-dose__callout-title {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 10px;
  font-weight: 700;
  fill: rgb(37 99 235);
}

.basics-vo2-dose__callout-body {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 10px;
  font-weight: 600;
  fill: var(--basics-text-strong);
}

/* ── Strength: never-too-late evidence chart ── */

.basics-strength-evidence {
  margin-top: 2.5rem;
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--basics-border);
  border-radius: 2px;
  background: linear-gradient(165deg, rgb(248 250 252) 0%, var(--basics-light-bg) 55%);
}

@media (min-width: 640px) {
  .basics-strength-evidence {
    padding: 2rem 2.25rem;
  }
}

.basics-strength-evidence__title {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--basics-text-strong);
}

.basics-strength-evidence__subtitle {
  margin-top: 0.625rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--basics-text-subtle);
}

.basics-strength-evidence__chart-label {
  margin: 1.25rem 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--basics-text-muted);
}

.basics-strength-evidence__compare {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.basics-strength-evidence__row {
  display: grid;
  grid-template-columns: minmax(7rem, 9rem) 1fr minmax(3.5rem, auto);
  align-items: center;
  gap: 0.5rem 0.75rem;
}

@media (max-width: 479px) {
  .basics-strength-evidence__row {
    grid-template-columns: 1fr minmax(3.5rem, auto);
  }

  .basics-strength-evidence__label {
    grid-column: 1 / -1;
  }
}

.basics-strength-evidence__label {
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--basics-text-strong);
}

.basics-strength-evidence__bar-wrap {
  min-width: 0;
  height: 1.125rem;
  border-radius: 2px;
  background-color: var(--basics-border);
  overflow: hidden;
}

.basics-strength-evidence__bar {
  height: 100%;
  min-width: 4px;
  border-radius: 2px;
  transition: width 0.4s ease;
}

.basics-strength-evidence__bar--exercise {
  background: linear-gradient(90deg, rgb(29 78 216), rgb(37 99 235));
}

.basics-strength-evidence__bar--control {
  background-color: rgb(161 161 170);
}

.basics-strength-evidence__value {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--basics-text-muted);
  text-align: right;
}

.basics-strength-evidence__value--gain {
  color: rgb(29 78 216);
}

.basics-strength-evidence__footnote {
  margin-top: 1rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--basics-text-muted);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .basics-summary__cta {
    transition: none;
  }

  .basics-longevity-graph__bar,
  .basics-strength-evidence__bar {
    transition: none;
  }
}