.b7-page {
  background: #fff;
  color: var(--b1-ink);
}

.b7-page .b1-section,
.b7-closing {
  padding: 84px 0;
}

.b7-page .b1-section-alt {
  background: var(--b1-soft);
}

.b7-hero {
  padding: 58px 0 66px;
  background: var(--b1-ink);
  color: #fff;
}

.b7-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(500px, 1.1fr);
  gap: 54px;
  align-items: center;
}

.b7-hero-copy,
.b7-hero-media,
.b7-section-head > div,
.b7-matrix article,
.b7-proof-grid article {
  min-width: 0;
}

.b7-hero .b1-kicker {
  display: inline-block;
  margin-bottom: 18px;
  color: #bfe8e8;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.b7-hero h1 {
  max-width: 720px;
  margin: 0;
  color: #fff;
  font-size: clamp(45px, 4.2vw, 68px);
  line-height: 1.03;
  letter-spacing: -.04em;
}

.b7-hero-lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: #d8e4e9;
  font-size: 18px;
  line-height: 1.65;
}

.b7-identity {
  display: flex;
  margin-top: 27px;
  padding-top: 19px;
  align-items: center;
  gap: 13px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, .2);
}

.b7-identity strong {
  color: #fff;
  font-size: 19px;
}

.b7-identity span,
.b7-identity small {
  padding-left: 13px;
  border-left: 1px solid rgba(255, 255, 255, .24);
  color: #c5d5dc;
  font-size: 13px;
}

.b7-actions {
  display: flex;
  margin-top: 30px;
  gap: 11px;
  align-items: center;
  flex-wrap: wrap;
}

.b7-actions .btn {
  min-height: 48px;
  padding: 13px 18px;
}

.b7-actions .btn-primary {
  background: var(--b1-red);
  color: #fff;
}

.b7-actions .btn-plain {
  border: 1px solid rgba(255, 255, 255, .42);
  background: transparent;
  color: #fff;
}

.b7-actions .btn:hover,
.b7-actions .btn:focus-visible,
.b7-page a:focus-visible,
.b7-page summary:focus-visible,
.b7-page video:focus-visible {
  outline: 3px solid #77d4d7;
  outline-offset: 3px;
}

.b7-hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .3);
  background: #07131f;
  box-shadow: 0 26px 70px rgba(0, 0, 0, .28);
}

.b7-proof-label {
  display: inline-flex;
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 14px;
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, .36);
  background: rgba(16, 34, 56, .88);
  color: #fff;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .055em;
  text-transform: uppercase;
}

.b7-hero-media video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: #07131f;
  object-fit: contain;
}

.b7-hero-media figcaption,
.b7-hero-media > p {
  margin: 0;
  padding: 13px 16px;
  border-top: 1px solid rgba(255, 255, 255, .17);
  color: #d4e1e6;
  font-size: 12px;
  line-height: 1.55;
}

.b7-hero-media > p {
  background: rgba(255, 255, 255, .035);
}

.b7-hero-media > p strong {
  color: #fff;
}

.b7-section-head {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  max-width: 980px;
  gap: 20px;
  margin-bottom: 36px;
}

.b7-section-head > span {
  padding-top: 7px;
  color: var(--b1-teal);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
}

.b7-section-head h2 {
  margin: 0;
  color: var(--b1-ink);
  font-size: clamp(32px, 3.2vw, 50px);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.b7-section-head strong {
  display: block;
  margin-top: 15px;
  color: var(--b1-teal-dark);
  font-size: 17px;
  line-height: 1.45;
}

.b7-section-head p {
  max-width: 820px;
  margin: 10px 0 0;
  color: var(--b1-copy);
  font-size: 15px;
  line-height: 1.72;
}

.b7-proof-grid,
.b7-line-boundary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--b1-line);
  border-left: 1px solid var(--b1-line);
}

.b7-proof-grid article,
.b7-line-boundary article {
  padding: 30px 28px;
  border-right: 1px solid var(--b1-line);
  border-bottom: 1px solid var(--b1-line);
  background: #fff;
}

.b7-proof-grid article:last-child {
  background: var(--b1-ink);
  color: #fff;
}

.b7-proof-grid article > span,
.b7-line-boundary article > span,
.b7-matrix article > span,
.b7-document-note > strong,
.b7-closing-grid > div > span {
  color: var(--b1-teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.b7-proof-grid article:last-child > span {
  color: #8edfe1;
}

.b7-proof-grid h3,
.b7-line-boundary h3,
.b7-matrix h3,
.b7-project-grid h3 {
  margin: 10px 0 14px;
  color: var(--b1-ink);
  font-size: 22px;
  line-height: 1.28;
}

.b7-proof-grid article:last-child h3 {
  color: #fff;
}

.b7-proof-grid ul,
.b7-matrix ul {
  margin: 0;
  padding-left: 20px;
}

.b7-proof-grid li,
.b7-matrix li {
  margin: 8px 0;
  color: var(--b1-copy);
  line-height: 1.55;
}

.b7-proof-grid article:last-child li {
  color: #d4e1e7;
}

.b7-matrix {
  display: grid;
  grid-template-columns: .78fr 1.3fr .92fr;
  border-top: 1px solid var(--b1-line);
  border-left: 1px solid var(--b1-line);
}

.b7-matrix article {
  padding: 28px 25px;
  border-right: 1px solid var(--b1-line);
  border-bottom: 1px solid var(--b1-line);
  background: #fff;
}

.b7-matrix dl {
  margin: 0;
}

.b7-matrix dl div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--b1-line);
}

.b7-matrix dt {
  color: var(--b1-copy);
  font-size: 13px;
  line-height: 1.45;
}

.b7-matrix dd {
  margin: 0;
  color: var(--b1-ink);
  font-weight: 850;
}

.b7-matrix dl div:last-child {
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  margin-top: 18px;
  padding: 15px;
  border-left: 3px solid var(--b1-red);
  border-bottom: 0;
  background: var(--b1-soft);
}

.b7-matrix dl div:last-child dd {
  color: var(--b1-copy);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.6;
}

.b7-sequence {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--b1-line);
  border-left: 1px solid var(--b1-line);
  list-style: none;
}

.b7-sequence li {
  padding: 25px 22px;
  border-right: 1px solid var(--b1-line);
  border-bottom: 1px solid var(--b1-line);
}

.b7-sequence li > span {
  color: var(--b1-teal);
  font-size: 12px;
  font-weight: 900;
}

.b7-sequence h3 {
  margin: 14px 0 10px;
  color: var(--b1-ink);
  font-size: 19px;
}

.b7-sequence p,
.b7-project-grid p,
.b7-line-boundary p,
.b7-document-note p,
.b7-document-note small {
  margin: 0;
  color: var(--b1-copy);
  font-size: 14px;
  line-height: 1.65;
}

.b7-input-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--b1-line);
  border-left: 1px solid var(--b1-line);
}

.b7-input-grid article {
  min-height: 132px;
  padding: 20px;
  border-right: 1px solid var(--b1-line);
  border-bottom: 1px solid var(--b1-line);
  background: #fff;
}

.b7-input-grid span {
  color: var(--b1-teal);
  font-size: 11px;
  font-weight: 900;
}

.b7-input-grid p {
  margin: 11px 0 0;
  color: var(--b1-ink);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.5;
}

.b7-related {
  display: flex;
  margin-top: 25px;
  gap: 12px;
  flex-wrap: wrap;
}

.b7-related a,
.b7-text-link {
  display: inline-flex;
  padding: 11px 14px;
  border: 1px solid var(--b1-line-strong);
  color: var(--b1-teal-dark);
  font-size: 13px;
  font-weight: 850;
  text-decoration: none;
}

.b7-related a:hover,
.b7-text-link:hover {
  border-color: var(--b1-teal);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.b7-project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.b7-project-grid article {
  padding: 27px 24px;
  border: 1px solid var(--b1-line);
  background: #fff;
}

.b7-line-boundary {
  margin-bottom: 24px;
}

.b7-line-boundary article:last-child {
  background: var(--b1-soft);
}

.b7-document-note {
  max-width: 960px;
  padding: 31px 32px;
  border: 1px solid var(--b1-line);
  border-left: 5px solid var(--b1-teal);
  background: #fff;
}

.b7-document-note p {
  margin-top: 13px;
  font-size: 16px;
}

.b7-document-note small {
  display: block;
  margin-top: 15px;
  font-weight: 750;
}

.b7-faq-list {
  border-top: 1px solid var(--b1-line);
}

.b7-faq-list details {
  border-bottom: 1px solid var(--b1-line);
  background: #fff;
}

.b7-faq-list summary {
  display: flex;
  min-height: 70px;
  padding: 20px 22px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--b1-ink);
  font-size: 17px;
  font-weight: 850;
  cursor: pointer;
  list-style: none;
}

.b7-faq-list summary::-webkit-details-marker {
  display: none;
}

.b7-faq-list summary span {
  color: var(--b1-teal);
  font-size: 24px;
}

.b7-faq-list details[open] summary span {
  transform: rotate(45deg);
}

.b7-faq-list details p {
  max-width: 960px;
  margin: 0;
  padding: 0 22px 23px;
  color: var(--b1-copy);
  font-size: 15px;
  line-height: 1.7;
}

.b7-closing {
  background: var(--b1-ink);
  color: #fff;
}

.b7-closing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
}

.b7-closing-grid > div > span {
  color: #8edfe1;
}

.b7-closing h2 {
  max-width: 820px;
  margin: 10px 0 12px;
  color: #fff;
  font-size: clamp(32px, 3vw, 48px);
  line-height: 1.1;
}

.b7-closing p {
  max-width: 860px;
  margin: 0;
  color: #c9d8df;
  font-size: 14px;
  line-height: 1.65;
}

.b7-closing .b7-actions {
  margin: 0;
}

@media (max-width: 1120px) {
  .b7-hero-grid {
    grid-template-columns: minmax(0, .88fr) minmax(430px, 1.12fr);
    gap: 30px;
  }

  .b7-hero h1 {
    font-size: clamp(40px, 4.3vw, 54px);
  }

  .b7-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .b7-matrix article:last-child {
    grid-column: 1 / -1;
  }

  .b7-sequence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .b7-input-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .b7-input-grid article:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  .b7-page .b1-shell {
    width: min(100% - 34px, 720px);
  }

  .b7-page .b1-section,
  .b7-closing {
    padding: 62px 0;
  }

  .b7-hero {
    padding: 34px 0 42px;
  }

  .b7-hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .b7-hero h1 {
    font-size: clamp(38px, 8vw, 50px);
  }

  .b7-hero-lead {
    margin-top: 17px;
    font-size: 16px;
  }

  .b7-identity {
    margin-top: 19px;
    padding-top: 14px;
  }

  .b7-actions {
    margin-top: 21px;
  }

  .b7-proof-grid,
  .b7-line-boundary,
  .b7-project-grid,
  .b7-closing-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .b7-closing-grid {
    align-items: start;
  }
}

@media (max-width: 560px) {
  .b7-page .b1-shell {
    width: calc(100% - 28px);
  }

  .b7-page .b1-section,
  .b7-closing {
    padding: 50px 0;
  }

  .b7-hero {
    padding: 24px 0 34px;
  }

  .b7-hero .b1-kicker {
    margin-bottom: 11px;
    font-size: 10px;
  }

  .b7-hero h1 {
    font-size: 36px;
  }

  .b7-hero-lead {
    font-size: 14px;
    line-height: 1.55;
  }

  .b7-identity {
    gap: 8px;
  }

  .b7-identity strong {
    width: 100%;
    font-size: 16px;
  }

  .b7-identity span,
  .b7-identity small {
    padding-left: 0;
    border-left: 0;
    font-size: 11px;
  }

  .b7-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .b7-actions .btn {
    min-height: 42px;
    padding: 10px 9px;
    font-size: 11px;
    text-align: center;
  }

  .b7-actions .btn-primary {
    grid-column: 1 / -1;
  }

  .b7-proof-label {
    top: 9px;
    left: 9px;
    max-width: calc(100% - 18px);
    padding: 6px 8px;
    font-size: 9px;
  }

  .b7-hero-media figcaption,
  .b7-hero-media > p {
    padding: 10px 12px;
    font-size: 10px;
  }

  .b7-section-head {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
    margin-bottom: 25px;
  }

  .b7-section-head h2 {
    font-size: 30px;
  }

  .b7-section-head strong {
    font-size: 15px;
  }

  .b7-matrix,
  .b7-sequence,
  .b7-input-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .b7-matrix article:last-child,
  .b7-input-grid article:last-child:nth-child(odd) {
    grid-column: auto;
  }

  .b7-matrix dl div {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .b7-related {
    display: grid;
  }

  .b7-document-note {
    padding: 24px 20px;
  }

  .b7-faq-list summary {
    padding: 18px 16px;
    font-size: 15px;
  }

  .b7-faq-list details p {
    padding: 0 16px 20px;
    font-size: 14px;
  }

  .b7-closing .b7-actions {
    display: block;
  }

  .b7-closing .b7-actions .btn {
    display: inline-flex;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .b7-page *,
  .b7-page *::before,
  .b7-page *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}