.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  background: #f1efe9;
  color: #070a0e;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.use-case-main { overflow: hidden; }
.use-case-hero {
  min-height: auto;
  place-items: start center;
  padding-top: 156px;
  padding-bottom: 82px;
}
.use-case-hero .hero-inner { width: min(1100px, 100%); text-align: left; }
.use-case-hero h1 {
  max-width: 1000px;
  margin-right: 0;
  margin-left: 0;
  font-size: clamp(52px, 7.7vw, 96px);
}
.use-case-hero .hero-copy { width: min(760px, 100%); margin-right: 0; margin-left: 0; }
.use-case-hero .hero-actions { justify-content: flex-start; }
.use-case-hero .hero-foot { max-width: 760px; }
.use-case-proof {
  width: min(1100px, calc(100% - 48px));
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 auto 112px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #0d1319;
}
.use-case-proof div { padding: 22px; border-right: 1px solid var(--line); }
.use-case-proof div:last-child { border-right: 0; }
.use-case-proof b { display: block; margin-bottom: 5px; color: #d5bd82; font-size: 12px; }
.use-case-proof span { color: #798186; font-size: 11px; }
.use-case-section { padding: 104px 24px; }
.use-case-section.alt {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #0a0f14;
}
.use-case-inner { width: min(1100px, 100%); margin: 0 auto; }
.use-case-intro { max-width: 800px; margin-bottom: 48px; }
.use-case-intro h2 {
  margin-bottom: 17px;
  font-family: var(--serif);
  font-size: clamp(41px, 6vw, 68px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.04em;
}
.use-case-intro p { color: #8b9297; font-size: 17px; }
.use-case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 11px; }
.use-case-card {
  min-height: 250px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #0e141a;
}
.use-case-card b { display: block; margin-bottom: 35px; color: #bda461; font-size: 10px; letter-spacing: .15em; }
.use-case-card h3 { margin-bottom: 10px; font-size: 20px; }
.use-case-card p { margin: 0; color: #7e868b; font-size: 13px; }
.presentation-proof-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 18%, rgba(207,172,91,.12), transparent 31%),
    linear-gradient(135deg, #090e13, #0d141b 58%, #080c10);
}
.presentation-proof-layout {
  display: grid;
  grid-template-columns: minmax(0, .75fr) minmax(520px, 1.25fr);
  gap: clamp(42px, 6vw, 82px);
  align-items: center;
}
.presentation-proof-copy h2 {
  max-width: 560px;
  margin: 0 0 20px;
  font-family: var(--serif);
  font-size: clamp(43px, 5.6vw, 68px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.04em;
}
.presentation-proof-copy > p { color: #9aa1a6; font-size: 16px; }
.presentation-proof-notes {
  display: grid;
  gap: 11px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
}
.presentation-proof-notes li {
  position: relative;
  padding-left: 22px;
  color: #dedbd3;
  font-size: 13px;
}
.presentation-proof-notes li::before {
  content: '';
  position: absolute;
  top: .55em;
  left: 0;
  width: 8px;
  height: 1px;
  background: #cfac5b;
}
.presentation-proof-copy .presentation-proof-disclosure { color: #757e84; font-size: 11px; }
.presentation-proof-figure { min-width: 0; margin: 0; }
.presentation-proof-grid {
  display: grid;
  grid-template-columns: 1.28fr .72fr;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 22px;
  background: rgba(0,0,0,.28);
  box-shadow: 0 28px 70px rgba(0,0,0,.38);
}
.presentation-proof-grid img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 10px 24px rgba(0,0,0,.22);
}
.presentation-proof-grid .presentation-proof-title { grid-row: 1 / 3; }
.presentation-proof-figure figcaption { margin-top: 11px; color: #70797f; font-size: 10px; text-align: right; }
.artifact-proof-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 18% 20%, rgba(207,172,91,.12), transparent 30%),
    linear-gradient(145deg, #090e13, #0d141b 58%, #080c10);
}
.artifact-proof-layout {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(420px, .82fr);
  gap: clamp(42px, 7vw, 92px);
  align-items: center;
}
.artifact-proof-copy h2 {
  max-width: 570px;
  margin: 0 0 20px;
  font-family: var(--serif);
  font-size: clamp(43px, 5.6vw, 68px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.04em;
}
.artifact-proof-copy > p { color: #9aa1a6; font-size: 16px; }
.artifact-proof-notes {
  display: grid;
  gap: 11px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
}
.artifact-proof-notes li {
  position: relative;
  padding-left: 22px;
  color: #dedbd3;
  font-size: 13px;
}
.artifact-proof-notes li::before {
  content: '';
  position: absolute;
  top: .55em;
  left: 0;
  width: 8px;
  height: 1px;
  background: #cfac5b;
}
.artifact-proof-actions { justify-content: flex-start; margin: 0 0 24px; }
.artifact-proof-copy .artifact-proof-disclosure { color: #757e84; font-size: 11px; }
.artifact-proof-figure { min-width: 0; margin: 0; }
.artifact-proof-open {
  position: relative;
  display: block;
  padding: 12px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 23px;
  background: rgba(3,6,9,.64);
  color: inherit;
  text-decoration: none;
  box-shadow: 0 30px 76px rgba(0,0,0,.42);
}
.artifact-proof-open:focus-visible { outline: 2px solid #d8bd76; outline-offset: 5px; }
.artifact-proof-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 2px 4px 11px;
  color: #7d858a;
  font-family: ui-monospace, 'SFMono-Regular', Consolas, monospace;
  font-size: 9px;
  letter-spacing: .12em;
}
.artifact-proof-open img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 11px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(0,0,0,.34);
}
.artifact-proof-open-label {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 4px 1px;
  color: #cbb374;
  font-size: 11px;
  letter-spacing: .04em;
}
.artifact-proof-figure figcaption { margin-top: 11px; color: #70797f; font-size: 10px; text-align: right; }
.workflow-list { display: grid; gap: 10px; counter-reset: workflow; }
.workflow-step {
  counter-increment: workflow;
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  align-items: start;
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.013);
}
.workflow-step::before {
  content: counter(workflow, decimal-leading-zero);
  color: #c6a965;
  font-family: var(--serif);
  font-size: 29px;
}
.workflow-step h3 { margin-bottom: 6px; font-size: 18px; }
.workflow-step p { margin: 0; color: #81898e; font-size: 13px; }
.trust-panel {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 44px;
  align-items: start;
  padding: 34px;
  border: 1px solid rgba(213,185,113,.21);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(213,185,113,.06), rgba(14,20,26,.98));
}
.trust-panel h2 {
  font-family: var(--serif);
  font-size: clamp(37px, 5vw, 55px);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -.035em;
}
.trust-panel p, .trust-panel li { color: #8b9297; font-size: 14px; }
.trust-panel ul { display: grid; gap: 12px; margin: 0; padding-left: 19px; }
.faq-list { display: grid; gap: 8px; }
.faq-list details { padding: 20px 22px; border: 1px solid var(--line); border-radius: 17px; background: #0e141a; }
.faq-list summary { cursor: pointer; color: #dedcd6; font-size: 15px; font-weight: 700; }
.faq-list p { margin: 12px 0 0; color: #80888d; font-size: 13px; }
.use-case-links { display: flex; gap: 18px; flex-wrap: wrap; }
.use-case-links a { color: #d0b774; text-underline-offset: 4px; }
.use-case-footer-links { display: flex; gap: 16px; flex-wrap: wrap; justify-content: flex-end; }

@media (max-width: 900px) {
  .use-case-proof { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .use-case-proof div:nth-child(2) { border-right: 0; }
  .use-case-proof div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .use-case-grid { grid-template-columns: 1fr; }
  .use-case-card { min-height: auto; }
  .trust-panel { grid-template-columns: 1fr; }
  .presentation-proof-layout { grid-template-columns: 1fr; }
  .artifact-proof-layout { grid-template-columns: 1fr; }
  .artifact-proof-figure { width: min(680px, 100%); }
}
@media (max-width: 620px) {
  .use-case-hero { padding: 120px 18px 64px; }
  .use-case-hero h1 { font-size: clamp(46px, 14vw, 64px); }
  .use-case-proof { width: calc(100% - 36px); grid-template-columns: 1fr; margin-bottom: 78px; }
  .use-case-proof div, .use-case-proof div:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .use-case-proof div:last-child { border-bottom: 0; }
  .use-case-section { padding: 80px 18px; }
  .workflow-step { grid-template-columns: 46px 1fr; padding: 18px; }
  .trust-panel { padding: 24px; }
  .presentation-proof-grid { grid-template-columns: 1fr; grid-template-rows: auto; padding: 7px; border-radius: 16px; }
  .presentation-proof-grid .presentation-proof-title { grid-row: auto; }
  .presentation-proof-grid img { height: auto; }
  .presentation-proof-figure figcaption { text-align: left; }
  .artifact-proof-open { padding: 8px; border-radius: 17px; }
  .artifact-proof-toolbar { padding-bottom: 8px; font-size: 8px; }
  .artifact-proof-figure figcaption { text-align: left; }
  .use-case-footer-links { justify-content: flex-start; }
}