.mk9-proof {
  --proof-text: #eff3f8;
  --proof-muted: #a4afc0;
  --proof-line: rgba(175, 194, 222, .17);
  --proof-accent: #5bd8e4;
  color: var(--proof-text);
  padding: clamp(58px, 7vw, 100px) 0;
  border-top: 1px solid var(--proof-line);
  font-family: inherit;
}
.mk9-proof *, .mk9-proof *::before, .mk9-proof *::after { box-sizing: border-box; }
.mk9-proof__container { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.mk9-proof__heading { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: end; gap: 50px; margin-bottom: 38px; }
.mk9-proof__title { font-size: clamp(30px, 4vw, 48px); line-height: 1.12; font-weight: 700; letter-spacing: -.035em; margin: 0; max-width: 560px; }
.mk9-proof__lead { color: var(--proof-muted); font-size: 17px; line-height: 1.55; margin: 0 0 3px; max-width: 390px; }
.mk9-proof__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 52px; row-gap: 0; }
.mk9-proof__item { display: flex; flex-direction: column; margin: 0; min-width: 0; border-top: 1px solid var(--proof-line); padding: 28px 0 34px; }
.mk9-proof__person { display: flex; align-items: center; gap: 14px; min-width: 0; margin: 0 0 21px; }
.mk9-proof__avatar, .mk9-proof__initial { width: 52px; height: 52px; flex: 0 0 52px; border-radius: 50%; }
.mk9-proof__avatar { display: block; object-fit: cover; }
.mk9-proof__initial { display: grid; place-items: center; background: rgba(147, 167, 195, .08); border: 1px solid var(--proof-line); color: var(--proof-muted); font-size: 14px; font-weight: 500; }
.mk9-proof__name { display: block; color: var(--proof-text); font-size: 16px; font-weight: 650; line-height: 1.4; }
.mk9-proof__context { display: block; margin-top: 4px; color: var(--proof-muted); font-size: 13px; line-height: 1.5; }
.mk9-proof__quote { color: var(--proof-text); font-size: 21px; font-weight: 400; line-height: 1.55; letter-spacing: -.013em; margin: 0; }
.mk9-proof__quote p { margin: 0; }
.mk9-proof__link { display: inline-flex; align-items: center; gap: 9px; align-self: flex-start; margin-top: 21px; color: var(--proof-accent); font-size: 14px; font-weight: 500; line-height: 1.5; text-decoration: none; text-underline-offset: 5px; }
.mk9-proof__link:hover { text-decoration: underline; }
.mk9-proof__more { border-top: 1px solid var(--proof-line); border-bottom: 1px solid var(--proof-line); margin-top: 5px; }
.mk9-proof__summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 21px 0; cursor: pointer; list-style: none; color: var(--proof-text); font-size: 17px; line-height: 1.5; font-weight: 550; }
.mk9-proof__summary::-webkit-details-marker { display: none; }
.mk9-proof__toggle { display: block; position: relative; flex: 0 0 18px; width: 18px; height: 18px; color: var(--proof-accent); }
.mk9-proof__toggle::before, .mk9-proof__toggle::after { content: ""; position: absolute; background: currentColor; border-radius: 1px; }
.mk9-proof__toggle::before { inset: 8px 0; height: 2px; }
.mk9-proof__toggle::after { inset: 0 8px; width: 2px; }
.mk9-proof__more[open] .mk9-proof__toggle::after { display: none; }
.mk9-proof__grid--more .mk9-proof__quote { font-size: 18px; line-height: 1.6; }
.mk9-proof__source-note { color: var(--proof-muted); font-size: 12px; line-height: 1.6; margin: 18px 0 0; }
.mk9-proof a:focus-visible, .mk9-proof summary:focus-visible { outline: 2px solid var(--proof-accent); outline-offset: 6px; border-radius: 2px; }
@media (max-width: 850px) {
  .mk9-proof__heading { grid-template-columns: 1fr; gap: 18px; margin-bottom: 30px; }
  .mk9-proof__lead { max-width: 560px; }
  .mk9-proof__grid { column-gap: 32px; }
  .mk9-proof__quote { font-size: 19px; }
}
@media (max-width: 640px) {
  .mk9-proof { padding: 48px 0; }
  .mk9-proof__container { width: calc(100% - 36px); }
  .mk9-proof__grid { grid-template-columns: 1fr; }
  .mk9-proof__title { max-width: 360px; font-size: 32px; }
  .mk9-proof__lead { font-size: 16px; }
  .mk9-proof__item { padding: 24px 0 28px; }
  .mk9-proof__person { gap: 12px; margin-bottom: 18px; }
  .mk9-proof__avatar, .mk9-proof__initial { width: 46px; height: 46px; flex-basis: 46px; }
  .mk9-proof__name { font-size: 15px; }
  .mk9-proof__context { font-size: 12px; }
  .mk9-proof__quote, .mk9-proof__grid--more .mk9-proof__quote { font-size: 18px; line-height: 1.6; }
  .mk9-proof__summary { padding: 19px 0; }
}