/* 5sigmas — final quality and layout pass */

:root {
  --s5-width: 1160px;
  --s5-reading-width: 760px;
}

/* Align the shell and the publication grid. */
.md-header__inner,
.md-tabs__inner {
  width: min(var(--s5-width), calc(100% - 2.5rem));
  max-width: none;
  margin-right: auto;
  margin-left: auto;
}

.md-header__inner {
  padding-right: 0;
  padding-left: 0;
}

.md-tabs__list {
  margin-left: 0;
}

.md-search {
  max-width: 15rem;
}

.md-search__form {
  border-left: 1px solid var(--s5-line);
  border-radius: 0;
}

.md-search__input {
  font-size: .72rem;
}

body:has(.s5-landing) .md-path {
  display: none !important;
}

.s5-landing {
  width: min(var(--s5-width), calc(100vw - 2.5rem));
}

/* Landing intros: enough authority without delaying the content. */
.s5-page-intro {
  max-width: 900px;
  padding: clamp(3.2rem, 5.4vw, 4.8rem) 0 clamp(1.25rem, 2.4vw, 2rem) !important;
}

.s5-page-intro h1 {
  max-width: 11ch;
  font-size: clamp(3.15rem, 6.25vw, 5.9rem);
  line-height: .92;
  letter-spacing: -.067em;
}

.s5-page-intro p {
  max-width: 590px !important;
  margin-top: 1.25rem;
  font-size: 1rem;
  line-height: 1.58;
}

.s5-page-intro + .s5-section {
  margin-top: clamp(2.2rem, 3.5vw, 3.25rem) !important;
}

.s5-landing > .s5-section {
  margin-top: clamp(3.75rem, 6vw, 5.5rem) !important;
  margin-bottom: clamp(3.75rem, 6vw, 5.5rem) !important;
}

.s5-section-head {
  margin-bottom: 1.3rem;
  padding-top: .75rem;
}

.s5-section-head h2 {
  font-size: clamp(1.7rem, 2.8vw, 2.45rem);
  letter-spacing: -.045em;
}

.s5-section-head a {
  font-weight: 650;
}

/* Home cover: more editorial balance, less component repetition. */
.s5-home-cover {
  grid-template-columns: minmax(0, .88fr) minmax(470px, 1.12fr);
  gap: clamp(3.5rem, 6vw, 5.75rem);
  align-items: start;
  padding: clamp(3.15rem, 5vw, 4.6rem) 0 clamp(2.8rem, 4.5vw, 4rem);
}

.s5-home-cover__intro {
  padding-top: .25rem;
}

.s5-home-cover__intro h1 {
  max-width: 10ch;
  font-size: clamp(3.65rem, 6vw, 5.9rem);
  line-height: .91;
}

.s5-home-cover__intro > p {
  max-width: 50ch !important;
  margin-top: 1.35rem;
  font-size: 1.03rem;
  line-height: 1.58;
}

.s5-learning-loop {
  margin-top: 1.4rem !important;
}

.s5-learning-loop__item {
  padding-top: .8rem;
  padding-bottom: .85rem;
}

.s5-learning-loop strong {
  font-size: .74rem;
}

.s5-learning-loop small {
  font-size: .6rem;
}

.s5-start-card {
  border-color: color-mix(in srgb, var(--s5-line) 82%, var(--s5-text));
}

.s5-start-card__header {
  min-height: 2.65rem;
  padding: .7rem 1rem;
}

.s5-start-card__cta {
  min-height: 4.25rem;
  margin-top: -4.25rem;
  padding: .82rem 1rem;
}

.s5-start-card__cta strong {
  font-size: clamp(.95rem, 1.35vw, 1.08rem);
}

.s5-start-card__detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.25rem 1rem;
}

.s5-start-card__detail > p {
  max-width: 49ch !important;
  font-size: .78rem;
}

.s5-start-card__chapter {
  display: grid;
  gap: .2rem;
  min-width: 150px;
  padding-left: 1.25rem;
  border-left: 1px solid var(--s5-line);
  color: var(--s5-text) !important;
  font-size: .68rem;
  font-weight: 750;
  line-height: 1.25;
  text-decoration: none !important;
}

.s5-start-card__chapter small {
  color: var(--s5-muted);
  font-size: .6rem;
  font-weight: 550;
}

.s5-start-card__chapter:hover span {
  text-decoration: underline;
  text-underline-offset: .18em;
}

.s5-entry-section {
  margin: .5rem 0 clamp(3.4rem, 5vw, 4.75rem);
}

.s5-section-head--compact {
  margin-bottom: 0;
}

.s5-section-head--compact h2 {
  font-size: clamp(1.45rem, 2.35vw, 1.95rem);
}

.s5-entry-section .s5-entry-grid {
  margin-bottom: 0 !important;
  border-bottom: 1px solid var(--s5-line);
}

.s5-entry {
  padding-top: 1rem;
  padding-bottom: 1.4rem;
}

.s5-entry__title {
  margin-top: .9rem;
  font-size: clamp(1.45rem, 2.25vw, 1.9rem);
}

.s5-entry__text {
  margin-top: .5rem;
  font-size: .8rem;
}

/* Visual catalogue: one strong feature, then calm and consistent choices. */
.s5-video-feature {
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  gap: clamp(2.5rem, 4.5vw, 4rem);
  align-items: start;
  padding-bottom: clamp(2.4rem, 4vw, 3.5rem);
}

.s5-video-feature__image,
.s5-media-card__image {
  border: 1px solid var(--s5-line);
}

.s5-video-feature h2 {
  max-width: 13ch;
  margin: .55rem 0 .85rem;
  font-size: clamp(2.15rem, 3.6vw, 3.45rem);
  line-height: .99;
}

.s5-video-feature p {
  font-size: .88rem;
  line-height: 1.55;
}

.s5-video-secondary-grid {
  column-gap: clamp(2.25rem, 4vw, 3.75rem);
  row-gap: clamp(2.5rem, 4vw, 3.5rem);
}

.s5-media-card__meta {
  margin-top: .75rem;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .055em;
  text-transform: uppercase;
}

.s5-media-card__title {
  max-width: 32ch;
  margin-top: .35rem;
  font-size: 1.06rem;
  line-height: 1.22;
}

/* Lists: clearer information hierarchy and fewer spreadsheet cues. */
.s5-list-row {
  grid-template-columns: 42px minmax(210px, .78fr) minmax(0, 1.22fr) 92px;
  gap: 1.4rem;
  align-items: start;
  padding: 1.35rem 0;
}

.s5-list-row__n {
  padding-top: .15rem;
  font-variant-numeric: tabular-nums;
}

.s5-list-row__title {
  font-size: 1.07rem;
  line-height: 1.25;
}

.s5-list-row__desc {
  font-size: .8rem;
  line-height: 1.55;
}

.s5-list-row__meta {
  padding-top: .15rem;
  text-align: right;
  white-space: nowrap;
}

.s5-note-feature {
  grid-template-columns: minmax(0, 1fr) minmax(160px, .34fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  padding: 1.65rem 0;
}

.s5-note-feature h2 {
  max-width: 20ch;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.02;
}

.s5-note-feature p {
  max-width: 62ch !important;
  font-size: .86rem;
  line-height: 1.6;
}

.s5-note-feature__meta {
  min-width: 0;
  padding-left: 1.25rem;
  border-left: 1px solid var(--s5-line);
}

/* Article details: quieter metadata and stronger reading rhythm. */
.md-main__inner:not(:has(.s5-landing)) .md-content {
  max-width: 1000px;
}

.md-main__inner:not(:has(.s5-landing)) .md-typeset > h1 {
  max-width: 17ch;
  margin-top: .5rem;
  margin-bottom: 2rem;
  font-size: clamp(3.05rem, 5.3vw, 4.75rem);
  line-height: .97;
}

.md-main__inner:not(:has(.s5-landing)) .md-typeset > p,
.md-main__inner:not(:has(.s5-landing)) .md-typeset > ul,
.md-main__inner:not(:has(.s5-landing)) .md-typeset > ol,
.md-main__inner:not(:has(.s5-landing)) .md-typeset > blockquote,
.md-main__inner:not(:has(.s5-landing)) .md-typeset > .admonition {
  max-width: var(--s5-reading-width);
}

.md-main__inner:not(:has(.s5-landing)) .md-typeset > p {
  font-size: .98rem;
  line-height: 1.78;
}

.md-tags .md-tag {
  padding: .3rem .58rem;
  border-radius: 999px;
  background: var(--s5-surface);
  font-size: .64rem;
  font-weight: 700;
}

.s5-video-embed {
  margin-top: 1.6rem;
  margin-bottom: 2.15rem;
}

@media (max-width: 960px) {
  .s5-home-cover {
    gap: 2.2rem;
  }
}

@media (max-width: 800px) {
  .md-header__inner {
    width: 100%;
    padding-right: .65rem;
    padding-left: .65rem;
  }

  .s5-landing {
    width: calc(100vw - 2rem);
  }

  .s5-page-intro {
    padding: 2.15rem 0 .8rem !important;
  }

  .s5-page-intro h1 {
    max-width: 10ch;
    font-size: clamp(2.65rem, 11.8vw, 3.25rem);
    line-height: .92;
  }

  .s5-page-intro p {
    max-width: 38ch !important;
    margin-top: 1rem;
    font-size: .94rem;
    line-height: 1.55;
  }

  .s5-page-intro + .s5-section {
    margin-top: 2.25rem !important;
  }

  .s5-landing > .s5-section {
    margin-top: 3.35rem !important;
    margin-bottom: 3.35rem !important;
  }

  .s5-section-head {
    margin-bottom: 1rem;
    padding-top: .65rem;
  }

  .s5-section-head h2 {
    font-size: 1.72rem;
  }

  .s5-home-cover {
    gap: 1.2rem;
    padding: 1.35rem 0 1.85rem;
  }

  .s5-home-cover__intro {
    padding-top: 0;
  }

  .s5-home-cover__intro h1 {
    max-width: 10ch;
    font-size: clamp(2.55rem, 11.8vw, 3.1rem);
  }

  .s5-home-cover__intro > p {
    margin-top: .9rem;
    font-size: .84rem;
    line-height: 1.5;
  }

  .s5-learning-loop {
    margin-top: .9rem !important;
  }

  .s5-learning-loop__item {
    padding-top: .65rem;
    padding-bottom: .7rem;
  }

  .s5-learning-loop strong {
    font-size: .64rem;
  }

  .s5-learning-loop small {
    font-size: .52rem;
  }

  .s5-start-card__header {
    min-height: 2.25rem;
    padding: .52rem .7rem;
  }

  .s5-start-card__cta {
    min-height: 4.05rem;
    margin: -4.05rem .65rem 0;
    padding: .72rem .75rem;
  }

  .s5-start-card__cta strong {
    font-size: .86rem;
  }

  .s5-start-card__detail {
    grid-template-columns: 1fr;
    gap: .85rem;
    padding: 1rem .75rem;
  }

  .s5-start-card__detail > p {
    font-size: .72rem;
  }

  .s5-start-card__chapter {
    display: flex;
    min-width: 0;
    justify-content: space-between;
    gap: 1rem;
    padding: .8rem 0 0;
    border-top: 1px solid var(--s5-line);
    border-left: 0;
  }

  .s5-entry-section {
    margin-top: .55rem;
  }

  .s5-entry {
    padding-top: .9rem;
    padding-bottom: 1.1rem;
  }

  .s5-entry__title {
    margin-top: .65rem;
    font-size: 1.45rem;
  }

  .s5-entry__text {
    font-size: .76rem;
  }

  .s5-video-feature {
    gap: 1.35rem;
    padding-bottom: 2rem;
  }

  .s5-video-feature h2 {
    max-width: 15ch;
    font-size: 1.9rem;
  }

  .s5-video-secondary-grid {
    gap: 2.35rem;
  }

  .s5-list-row,
  .md-typeset .s5-list-row {
    row-gap: .35rem !important;
    padding: 1.05rem 0 !important;
  }

  .s5-list-row__title {
    font-size: 1rem;
  }

  .s5-list-row__desc {
    font-size: .76rem !important;
    line-height: 1.5;
  }

  .s5-list-row__meta {
    padding-top: 0;
    text-align: left;
    font-size: .6rem;
    font-weight: 650;
    letter-spacing: .04em;
    text-transform: uppercase;
  }

  .s5-note-feature {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 1.35rem 0;
  }

  .s5-note-feature h2 {
    font-size: 1.85rem;
  }

  .s5-note-feature__meta {
    padding: 1rem 0 0;
    border-top: 1px solid var(--s5-line);
    border-left: 0;
  }

  .md-main__inner:not(:has(.s5-landing)) .md-typeset > h1 {
    margin-bottom: 1.55rem;
    font-size: clamp(2.55rem, 12vw, 3.2rem);
    line-height: .95;
  }

  .md-main__inner:not(:has(.s5-landing)) .md-typeset > p {
    font-size: .94rem;
    line-height: 1.72;
  }
}

@media (max-width: 420px) {
  .s5-start-card__cta {
    grid-template-columns: minmax(0, 1fr) auto;
    margin-right: .55rem;
    margin-left: .55rem;
  }

  .s5-start-card__cta-meta {
    font-size: .58rem;
  }
}