/* ARHAN JOURNAL V4 — THE ARHAN EDITORIAL
   One shared publication template. Natural-ratio photography, a continuous
   paper reading surface, article-specific typographic centerpieces and a dark
   editorial closing. */

.v4-article {
  background: var(--paper);
}

.v4-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.35;
  text-transform: uppercase;
  color: var(--gold-text);
}

.v4-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-text);
  border-bottom: 1px solid transparent;
}

.v4-back:hover,
.v4-back:focus-visible { border-bottom-color: var(--line-gold-ink); }

/* ------------------------------- HERO A ------------------------------- */

.v4-hero--a {
  background: var(--ink);
  color: var(--tx-dark-1);
  padding-top: calc(var(--header-h) + clamp(34px, 4.6vw, 64px));
  padding-bottom: clamp(48px, 6vw, 88px);
}

.v4-hero--a .v4-label { color: var(--gold); }
.v4-hero--a .v4-back { color: var(--gold); }
.v4-hero--a .v4-back:hover,
.v4-hero--a .v4-back:focus-visible { border-bottom-color: var(--gold-line); }

.v4-hero__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.v4-hero__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(20px, 3vw, 44px);
  align-items: start;
  margin-top: clamp(30px, 4.5vw, 56px);
}

.v4-hero__copy {
  grid-column: 1 / span 7;
  min-width: 0;
}

.v4-hero--a.is-landscape .v4-hero__copy { grid-column: 1 / span 6; }
.v4-hero--a.is-landscape .v4-hero__figure { grid-column: 7 / span 6; }

.v4-hero__title {
  max-width: 100%;
  font-family: var(--font-display);
  font-size: clamp(2.9rem, 6.9vw, 6rem);
  font-weight: 400;
  line-height: 0.96;
  letter-spacing: -0.022em;
  text-wrap: balance;
  overflow-wrap: break-word;
  color: var(--tx-dark-1);
}

.v4-hero__deck {
  max-width: 43ch;
  margin-top: clamp(22px, 2.8vw, 32px);
  font-size: 1.12rem;
  line-height: 1.68;
  color: var(--tx-dark-2);
}

.v4-hero__figure {
  grid-column: 8 / span 5;
  min-width: 0;
  margin: clamp(28px, 4vw, 58px) 0 0;
}

.v4-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.v4-hero__figure figcaption {
  margin-top: 10px;
  font-size: 0.77rem;
  line-height: 1.5;
  color: var(--tx-dark-3);
}

/* ------------------------------- HERO B ------------------------------- */

.v4-hero--b {
  background: var(--paper);
  color: var(--tx-light-1);
  padding-top: calc(var(--header-h) + clamp(34px, 4.6vw, 64px));
  padding-bottom: clamp(52px, 6vw, 92px);
}

.v4-hero--b .v4-hero__title {
  margin-top: clamp(32px, 4.4vw, 58px);
  color: var(--tx-light-1);
}

.v4-hero__lower {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(24px, 3.4vw, 50px);
  align-items: end;
  margin-top: clamp(28px, 3.8vw, 52px);
  padding-top: 24px;
  border-top: 1px solid var(--line-light);
}

.v4-hero__lower .v4-hero__figure {
  grid-column: 1 / span 5;
  margin: 0;
}

.v4-hero__lower .v4-hero__figure figcaption { color: var(--tx-light-3); }

.v4-hero__lower-copy {
  grid-column: 8 / span 5;
  max-width: 44ch;
  padding-bottom: 6px;
}

.v4-hero__lower-copy .v4-hero__deck { color: var(--tx-light-2); }

/* ------------------------------- INTRO -------------------------------- */

.v4-intro {
  background: var(--paper);
  padding-block: clamp(54px, 6.8vw, 100px);
}

.v4-intro__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-x);
  align-items: start;
}

.v4-intro__lead {
  grid-column: 1 / span 7;
  max-width: 44ch;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 1.9vw, 1.75rem);
  font-weight: 400;
  line-height: 1.4;
  color: var(--tx-light-1);
}

.v4-intro__aside {
  grid-column: 9 / span 4;
  max-width: 42ch;
  padding-top: 7px;
}

.v4-intro__aside p {
  font-size: 1.06rem;
  line-height: 1.75;
  color: var(--tx-light-2);
}

.v4-intro__grid--solo .v4-intro__lead { grid-column: 1 / span 8; }

/* -------------------- CONCENTRATION REFERENCE ------------------------- */

.v4-reference {
  background: var(--paper);
  padding-block: clamp(58px, 7.5vw, 112px);
}

.v4-reference__head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-x);
  align-items: end;
}

.v4-reference__head > .v4-label { grid-column: 1 / -1; }

.v4-reference__head h2 {
  grid-column: 1 / span 6;
  max-width: 13ch;
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: clamp(2.65rem, 3.5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.02;
}

.v4-reference__head > p {
  grid-column: 8 / span 5;
  max-width: 40ch;
  padding-bottom: 5px;
  font-size: 1.04rem;
  line-height: 1.72;
  color: var(--tx-light-2);
}

.v4-reference__list {
  margin-top: clamp(34px, 4.5vw, 58px);
  border-top: 1px solid var(--line-light-2);
}

.v4-reference__row {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-x);
  align-items: baseline;
  padding-block: clamp(20px, 2.5vw, 30px);
  border-bottom: 1px solid var(--line-light);
}

.v4-reference__row h3 {
  grid-column: 1 / span 7;
  font-family: var(--font-display);
  font-size: clamp(2.45rem, 3.8vw, 3.6rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.015em;
  color: var(--tx-light-1);
}

.v4-reference__row p {
  grid-column: 8 / span 5;
  max-width: 40ch;
  font-size: 1.04rem;
  line-height: 1.7;
  color: var(--tx-light-2);
}

.v4-reference__foot {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-x);
  align-items: start;
  margin-top: clamp(28px, 3.5vw, 46px);
}

.v4-reference__note {
  grid-column: 1 / span 6;
  max-width: 44ch;
  font-size: 0.94rem;
  line-height: 1.68;
  color: var(--tx-light-3);
}

.v4-brand-note {
  grid-column: 8 / span 5;
  max-width: 42ch;
  padding-top: 18px;
  border-top: 1px solid var(--line-gold-ink);
}

.v4-brand-note h3 {
  margin-top: 9px;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.1;
  color: var(--tx-light-1);
}

.v4-brand-note p {
  margin-top: 11px;
  font-size: 0.98rem;
  line-height: 1.66;
  color: var(--tx-light-2);
}

.v4-brand-note p + p { margin-top: 0.9em; }

/* ------------------------ ANATOMY STAGE SPREAD ------------------------ */

.v4-stages {
  background: var(--paper);
  padding-block: clamp(58px, 7.5vw, 112px);
}

.v4-stages__head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-x);
  align-items: end;
}

.v4-stages__head > div { grid-column: 1 / span 7; }
.v4-stages__head > p {
  grid-column: 9 / span 4;
  max-width: 34ch;
  padding-bottom: 5px;
  font-size: 0.98rem;
  line-height: 1.68;
  color: var(--tx-light-2);
}

.v4-stages__head h2 {
  max-width: 14ch;
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: clamp(2.65rem, 3.5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.02;
}

.v4-stages__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: clamp(28px, 4vw, 62px);
  margin-top: clamp(38px, 5vw, 64px);
  border-top: 1px solid var(--line-light-2);
}

.v4-stage {
  min-width: 0;
  padding-top: 24px;
}

.v4-stage--2 { padding-top: 62px; }
.v4-stage--3 { padding-top: 38px; }

.v4-stage h3 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 4.6vw, 4.5rem);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--tx-light-1);
}

.v4-stage__sub {
  display: block;
  margin-top: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-light);
  font-size: 0.71rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--gold-text);
}

.v4-stage__body {
  max-width: 34ch;
  margin-top: 18px;
  font-size: 1.04rem;
  line-height: 1.74;
  color: var(--tx-light-2);
}

.v4-stage__body p + p { margin-top: 1em; }

/* --------------------------- PRACTICE SPREAD -------------------------- */

.v4-practice {
  background: var(--paper);
  padding-block: clamp(58px, 7.5vw, 112px);
}

.v4-practice__head .v4-label { display: block; }

.v4-practice__head h2 {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: clamp(2.65rem, 3.5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.02;
}

.v4-practice__lead {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-x);
  align-items: start;
  margin-top: clamp(32px, 4.2vw, 54px);
  padding-top: 24px;
  border-top: 1px solid var(--line-light-2);
}

.v4-practice__lead h3 {
  grid-column: 1 / span 5;
  max-width: 12ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 2.9vw, 2.7rem);
  font-weight: 400;
  line-height: 1.04;
}

.v4-practice__lead > div {
  grid-column: 7 / span 6;
  max-width: 46ch;
  font-size: 1.04rem;
  line-height: 1.74;
  color: var(--tx-light-2);
}

.v4-practice__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: clamp(28px, 4vw, 62px);
  margin-top: clamp(30px, 4vw, 50px);
  border-top: 1px solid var(--line-light);
}

.v4-practice__item {
  min-width: 0;
  padding-top: 20px;
}

.v4-practice__item h3 {
  max-width: 13ch;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 2.2vw, 2.2rem);
  font-weight: 400;
  line-height: 1.08;
}

.v4-practice__item > div {
  max-width: 32ch;
  margin-top: 12px;
  font-size: 1rem;
  line-height: 1.72;
  color: var(--tx-light-2);
}

.v4-practice__item > div p + p { margin-top: 1em; }

/* --------------------------- SIGNATURE FLOW --------------------------- */

.v4-signature {
  background: var(--paper);
  padding-block: clamp(58px, 7.5vw, 112px);
}

.v4-signature__lead {
  max-width: 52ch;
}

.v4-signature__lead h2 {
  max-width: 13ch;
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: clamp(2.65rem, 3.5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.02;
}

.v4-signature__lead > div {
  max-width: 52ch;
  margin-top: 22px;
  font-size: 1.08rem;
  line-height: 1.76;
  color: var(--tx-light-2);
}

.v4-signature__lead > div p + p { margin-top: 1em; }

.v4-signature__steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(32px, 5vw, 84px);
  margin-top: clamp(36px, 4.8vw, 62px);
  border-top: 1px solid var(--line-light-2);
}

.v4-signature__item {
  min-width: 0;
  padding-top: 20px;
}

.v4-signature__item:nth-child(2) { padding-top: 54px; }

.v4-signature__item h3,
.v4-signature__wide h3 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.35vw, 2.3rem);
  font-weight: 400;
  line-height: 1.08;
  color: var(--tx-light-1);
}

.v4-signature__item > div,
.v4-signature__wide > div {
  max-width: 42ch;
  margin-top: 13px;
  font-size: 1.02rem;
  line-height: 1.72;
  color: var(--tx-light-2);
}

.v4-signature__wide {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line-light);
}

.v4-signature__wide > div { max-width: 52ch; }

/* --------------------------- READING FLOW ----------------------------- */

.v4-reading {
  background: var(--paper);
  padding-block: clamp(48px, 6vw, 88px);
}

.v4-reading__section {
  padding-block: clamp(28px, 3.8vw, 48px);
}

.v4-reading__section h2 {
  max-width: 19ch;
  font-family: var(--font-display);
  font-size: clamp(2.55rem, 3.4vw, 3.25rem);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: var(--tx-light-1);
}

.v4-reading__text {
  max-width: 46rem;
  margin-top: 20px;
  font-size: 1.15rem;
  line-height: 1.76;
  color: var(--tx-light-1);
}

.v4-reading__text p + p { margin-top: 1.25em; }

.v4-context {
  margin-top: 24px;
}

.v4-context a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--gold-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.v4-reading__text .v4-context { grid-column: 1 / -1; }

/* ------------------------------- SHARE -------------------------------- */

.v4-share-band {
  background: var(--paper);
  padding-block: 6px;
}

.v4-share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-light);
}

.v4-share__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0;
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tx-light-2);
}

.v4-share__btn:hover,
.v4-share__btn:focus-visible { color: var(--gold-text); }

.v4-share__btn svg { color: var(--gold-text); width: 14px; height: 14px; }

/* ------------------------------- RELATED ------------------------------ */

.v4-related {
  background: var(--ink);
  color: var(--tx-dark-1);
  padding-block: clamp(58px, 7.5vw, 108px);
  border-top: 1px solid var(--line-dark);
}

.v4-related .v4-label { color: var(--gold); }

.v4-related__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-dark-2);
}

.v4-related__head h2 {
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: clamp(2.65rem, 3.5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.02;
  color: var(--tx-dark-1);
}

.v4-related__all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-size: 0.73rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid transparent;
}

.v4-related__all:hover,
.v4-related__all:focus-visible { border-bottom-color: var(--gold-line); }

.v4-related__primary {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(30px, 5vw, 84px);
  align-items: center;
  margin-top: clamp(28px, 4vw, 48px);
}

.v4-related__media {
  grid-column: 1 / span 6;
  display: block;
  min-width: 0;
}

.v4-related__media img {
  display: block;
  width: 100%;
  height: auto;
}

.v4-related__copy {
  grid-column: 8 / span 5;
}

.v4-related__copy h3 {
  max-width: 14ch;
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.2vw, 3rem);
  font-weight: 400;
  line-height: 1.02;
}

.v4-related__copy h3 a { color: var(--tx-dark-1); }
.v4-related__copy h3 a:hover { color: var(--gold-bright); }

.v4-related__copy p {
  max-width: 46ch;
  margin-top: 14px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--tx-dark-2);
}

.v4-related__read {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin-top: 10px;
  font-size: 0.73rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--line-dark-2);
}

.v4-related__supports {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(28px, 4vw, 64px);
  margin-top: clamp(32px, 4.5vw, 56px);
  border-top: 1px solid var(--line-dark-2);
}

.v4-support {
  display: grid;
  grid-template-columns: minmax(150px, 40%) minmax(0, 1fr) 20px;
  column-gap: 20px;
  align-items: center;
  padding-block: 20px;
  border-bottom: 1px solid var(--line-dark);
}

.v4-support__media { display: block; min-width: 0; }
.v4-support__media img {
  display: block;
  width: 100%;
  height: auto;
}

.v4-support__body { min-width: 0; }

.v4-support__title {
  display: block;
  margin-top: 5px;
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1.08;
  color: var(--tx-dark-1);
}

.v4-support__excerpt {
  display: block;
  max-width: 38ch;
  margin-top: 8px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--tx-dark-2);
}

.v4-support > svg { color: var(--gold); }

/* ------------------------------- CREDITS ------------------------------ */

.v4-credits {
  margin-top: 32px;
  border-top: 1px solid var(--line-dark);
}

.v4-credits summary {
  display: flex;
  align-items: center;
  min-height: 44px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--tx-dark-3);
}

.v4-credits summary::marker { color: var(--gold); }
.v4-credits:not([open]) > .v4-credits__body { display: none; }

.v4-credits__body {
  max-width: 900px;
  padding: 8px 0 4px;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--tx-dark-2);
}

.v4-credits__body ul {
  display: grid;
  gap: 9px;
  padding: 0;
  list-style: none;
}

.v4-credits__body a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.v4-credits__body a:hover,
.v4-credits__body a:focus-visible { color: var(--gold); }

.v4-credits__body p {
  margin-top: 10px;
  font-size: 0.72rem;
  color: var(--tx-dark-3);
}

/* -------------------------------- 404 --------------------------------- */

.v4-notfound {
  background: var(--paper);
  padding-top: calc(var(--header-h) + 80px);
  padding-bottom: 120px;
  min-height: 70vh;
}

.v4-notfound h1 {
  margin-top: 32px;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 5rem);
  line-height: 1;
}

.v4-notfound p {
  max-width: 55ch;
  margin-top: 18px;
  color: var(--tx-light-2);
}

.v4-notfound .v4-context { display: inline-flex; margin-top: 24px; }

/* ----------------------------- RESPONSIVE ----------------------------- */

@media (max-width: 1100px) {
  .v4-hero__title { font-size: clamp(2.9rem, 6.6vw, 5rem); }
  .v4-hero--a.is-landscape .v4-hero__copy { grid-column: 1 / span 6; }
  .v4-hero--a.is-landscape .v4-hero__figure { grid-column: 7 / span 6; }
  .v4-reference__row h3 { font-size: clamp(2.2rem, 3.5vw, 3rem); }
  .v4-stage h3 { font-size: clamp(2.7rem, 4.2vw, 3.9rem); }
  .v4-related__copy h3 { font-size: clamp(2rem, 3vw, 2.6rem); }
}

@media (max-width: 900px) {
  .v4-hero--a { padding-top: calc(var(--header-h) + 42px); }
  .v4-hero__grid,
  .v4-hero--a.is-landscape .v4-hero__grid {
    grid-template-columns: 1fr;
    row-gap: 28px;
  }

  .v4-hero__copy,
  .v4-hero--a.is-landscape .v4-hero__copy,
  .v4-hero__figure,
  .v4-hero--a.is-landscape .v4-hero__figure {
    grid-column: 1;
  }

  .v4-hero__title { font-size: clamp(3rem, 7.2vw, 4.2rem); }
  .v4-hero__figure {
    width: 100%;
    max-width: 520px;
    margin-top: 4px;
  }
  .v4-hero__figure img { max-width: 100%; }

  .v4-hero--b .v4-hero__lower { grid-template-columns: 1fr; row-gap: 24px; }
  .v4-hero__lower .v4-hero__figure,
  .v4-hero__lower-copy { grid-column: 1; max-width: 520px; }

  .v4-intro__grid { grid-template-columns: 1fr; row-gap: 24px; }
  .v4-intro__lead,
  .v4-intro__grid--solo .v4-intro__lead { grid-column: 1; max-width: 100%; }
  .v4-intro__aside { grid-column: 1; max-width: 52ch; }

  .v4-reference__head h2,
  .v4-reference__head > p,
  .v4-reference__note,
  .v4-brand-note {
    grid-column: 1 / -1;
  }
  .v4-reference__head > p { margin-top: 16px; }
  .v4-reference__row {
    grid-template-columns: 1fr;
    row-gap: 10px;
  }
  .v4-reference__row h3,
  .v4-reference__row p { grid-column: 1; max-width: 100%; }
  .v4-brand-note { max-width: 52ch; margin-top: 28px; }

  .v4-stages__head > div,
  .v4-stages__head > p { grid-column: 1 / -1; }
  .v4-stages__head > p { margin-top: 16px; }
  .v4-stages__grid { grid-template-columns: 1fr; row-gap: 0; }
  .v4-stage,
  .v4-stage--2,
  .v4-stage--3 {
    padding-top: 26px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line-light);
  }
  .v4-stage:last-child { border-bottom: 0; }
  .v4-stage h3 { font-size: clamp(3rem, 9vw, 4rem); }
  .v4-stage__body { max-width: 46ch; }

  .v4-practice__lead { grid-template-columns: 1fr; row-gap: 16px; }
  .v4-practice__lead h3,
  .v4-practice__lead > div { grid-column: 1; }
  .v4-practice__grid { grid-template-columns: 1fr; }
  .v4-practice__item {
    padding-top: 20px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line-light);
  }
  .v4-practice__item:last-child { border-bottom: 0; }
  .v4-practice__item > div { max-width: 46ch; }

  .v4-signature__lead > div { max-width: 52ch; }
  .v4-signature__steps { grid-template-columns: 1fr; }
  .v4-signature__item,
  .v4-signature__item:nth-child(2) {
    padding-top: 22px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line-light);
  }
  .v4-signature__item:nth-child(2) { border-bottom: 1px solid var(--line-light); }
  .v4-signature__item > div { max-width: 50ch; }
  .v4-signature__wide { margin-top: 0; padding-top: 22px; }

  .v4-reading__section h2 { max-width: 17ch; }
  .v4-reading__text { max-width: 48rem; }

  .v4-related__primary { grid-template-columns: 1fr; row-gap: 24px; }
  .v4-related__media,
  .v4-related__copy { grid-column: 1; }
  .v4-related__media { max-width: 680px; }
  .v4-related__supports { grid-template-columns: 1fr; }
  .v4-support { grid-template-columns: minmax(140px, 32%) minmax(0, 1fr) 20px; }
}

@media (max-width: 620px) {
  .v4-hero--a,
  .v4-hero--b { padding-top: calc(var(--header-h) + 28px); padding-bottom: 40px; }
  .v4-hero__top { gap: 14px; }
  .v4-hero__top .v4-label { font-size: 0.68rem; text-align: right; }
  .v4-hero__title { font-size: clamp(2.65rem, 12vw, 3.5rem); }
  .v4-hero__grid { margin-top: 26px; row-gap: 24px; }
  .v4-hero__deck { margin-top: 18px; font-size: 1.02rem; }
  .v4-hero__figure { margin-top: 0; }
  .v4-hero__figure figcaption { font-size: 0.72rem; }
  .v4-hero__lower { margin-top: 26px; padding-top: 18px; row-gap: 18px; }
  .v4-hero__lower-copy { max-width: 100%; }

  .v4-intro { padding-block: 44px; }
  .v4-intro__lead { font-size: 1.42rem; }
  .v4-intro__aside p { font-size: 1rem; }

  .v4-reference { padding-block: 48px; }
  .v4-reference__head h2 { font-size: 2.3rem; }
  .v4-reference__head > p { font-size: 0.98rem; }
  .v4-reference__row { padding-block: 18px; }
  .v4-reference__row h3 { font-size: 2.35rem; }
  .v4-reference__row p { font-size: 0.98rem; }
  .v4-reference__note { font-size: 0.9rem; }
  .v4-brand-note h3 { font-size: 1.45rem; }
  .v4-brand-note p { font-size: 0.96rem; }

  .v4-stages { padding-block: 48px; }
  .v4-stages__head h2 { font-size: 2.3rem; }
  .v4-stages__head > p { font-size: 0.94rem; }
  .v4-stage h3 { font-size: clamp(2.9rem, 13vw, 3.8rem); }
  .v4-stage__body { font-size: 1rem; }

  .v4-practice { padding-block: 48px; }
  .v4-practice__head h2 { font-size: 2.3rem; }
  .v4-practice__lead h3 { font-size: 1.9rem; }
  .v4-practice__lead > div { font-size: 1rem; }
  .v4-practice__item h3 { font-size: 1.65rem; }
  .v4-practice__item > div { font-size: 0.98rem; }

  .v4-signature { padding-block: 48px; }
  .v4-signature__lead h2 { font-size: 2.3rem; }
  .v4-signature__lead > div { font-size: 1.02rem; }
  .v4-signature__item h3,
  .v4-signature__wide h3 { font-size: 1.65rem; }
  .v4-signature__item > div,
  .v4-signature__wide > div { font-size: 1rem; }

  .v4-reading { padding-block: 36px; }
  .v4-reading__section { padding-block: 28px; }
  .v4-reading__section h2 { font-size: 2.2rem; }
  .v4-reading__text { margin-top: 16px; font-size: 1.05rem; }
  .v4-context a { font-size: 0.76rem; }

  .v4-share { gap: 0 12px; }
  .v4-share__btn { font-size: 0.7rem; }

  .v4-related { padding-block: 50px; }
  .v4-related__head { align-items: start; flex-direction: column; gap: 10px; }
  .v4-related__head h2 { font-size: 2.35rem; }
  .v4-related__all { font-size: 0.7rem; }
  .v4-related__primary { margin-top: 24px; }
  .v4-related__copy h3 { font-size: 2rem; }
  .v4-related__copy p { font-size: 0.98rem; }
  .v4-related__supports { margin-top: 24px; }
  .v4-support { grid-template-columns: 96px minmax(0, 1fr) 16px; gap: 14px; padding-block: 14px; }
  .v4-support__title { font-size: 1.2rem; }
  .v4-support__excerpt { display: none; }
  .v4-credits__body { font-size: 0.74rem; }
}

@media (max-width: 380px) {
  .v4-hero__title { font-size: 2.65rem; }
  .v4-hero__top .v4-label { font-size: 0.64rem; }
  .v4-share__btn { font-size: 0.68rem; }
  .v4-support { grid-template-columns: 78px minmax(0, 1fr) 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .v4-related__media img,
  .v4-support__media img { transition: none; }
}

/* Opening thought integrated into the cover */
.v4-hero__opening {
  max-width: 44ch;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--gold-line);
}

.v4-hero__opening-lead {
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.42;
  color: var(--tx-dark-1);
}

.v4-hero__opening-aside {
  margin-top: 10px;
  font-size: 1rem;
  line-height: 1.68;
  color: var(--tx-dark-2);
}

.v4-hero--b .v4-hero__opening { border-top-color: var(--line-light); }
.v4-hero--b .v4-hero__opening-lead { color: var(--tx-light-1); }
.v4-hero--b .v4-hero__opening-aside { color: var(--tx-light-2); }

@media (max-width: 620px) {
  .v4-hero__opening { margin-top: 20px; padding-top: 14px; }
  .v4-hero__opening-lead { font-size: 1.28rem; }
  .v4-hero__opening-aside { font-size: 0.98rem; }
}

/* V4 final reading composition: headings use more of the page while prose stays measured */
.v4-reading__section h2 {
  max-width: 28ch;
}

@media (max-width: 900px) {
  .v4-reading__section h2 { max-width: 100%; }
}