.protocol-hero {
  padding: clamp(88px, 10vw, 148px) 0 clamp(74px, 9vw, 118px);
  border-bottom: 1px solid var(--line);
}

.protocol-hero h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(58px, 7vw, 105px);
  font-weight: 670;
  line-height: .97;
  letter-spacing: -.055em;
}
.protocol-hero h1 span { white-space: nowrap; }

.protocol-hero .lead {
  max-width: 64ch;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.55;
}

.protocol-page code {
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

.protocol-hero code {
  color: var(--orange-soft);
  font-size: .88em;
}

.docs-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 820px);
  justify-content: space-between;
  gap: clamp(48px, 8vw, 120px);
  padding-top: clamp(70px, 9vw, 120px);
  padding-bottom: clamp(90px, 11vw, 150px);
}

.docs-nav {
  position: sticky;
  top: 96px;
  align-self: start;
  max-height: calc(100svh - 124px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.docs-nav .group {
  margin: 28px 0 8px;
  color: var(--faint);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.docs-nav .group:first-child { margin-top: 0; }
.docs-nav a {
  display: block;
  padding: 7px 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  transition: color 140ms ease;
}
.docs-nav a:hover,
.docs-nav a.active { color: var(--text); }
.docs-nav a.active { box-shadow: inset 2px 0 var(--orange); padding-left: 12px; }

.docs-body { min-width: 0; }
.docs-body h2 {
  margin: 70px 0 16px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.06;
  letter-spacing: -.035em;
  scroll-margin-top: 100px;
}
.docs-body h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.docs-body h3 {
  margin: 34px 0 10px;
  font-size: 19px;
  line-height: 1.25;
}
.docs-body p,
.docs-body li {
  max-width: 72ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}
.docs-body p { margin: 12px 0; }
.docs-body ul,
.docs-body ol { display: grid; gap: 9px; margin: 14px 0; padding-left: 22px; }
.docs-body strong { color: var(--text); }
.docs-body a { color: var(--orange-soft); text-underline-offset: 3px; }
.docs-body code {
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-2);
  color: #e9c4b4;
  font-size: .88em;
  overflow-wrap: anywhere;
}
.docs-body pre {
  max-width: 100%;
  margin: 18px 0;
  padding: 20px 22px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #0a0c0e;
}
.docs-body pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: #d6d9d7;
  font-size: 13px;
  line-height: 1.65;
  white-space: pre;
}
.docs-body table {
  display: block;
  width: 100%;
  margin: 18px 0;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 14px;
}
.docs-body th,
.docs-body td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.docs-body th { color: var(--text); font-weight: 750; white-space: nowrap; }
.docs-body td { color: var(--muted); }
.docs-body td:first-child code { white-space: nowrap; }
.docs-body .note {
  max-width: 72ch;
  margin: 20px 0;
  padding: 18px 20px;
  border-left: 2px solid var(--orange);
  background: linear-gradient(90deg, rgba(255,117,65,.085), transparent 80%);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}
.docs-body .small { font-size: 14px; }

@media (max-width: 900px) {
  .docs-shell { grid-template-columns: 1fr; gap: 42px; }
  .docs-nav {
    position: static;
    display: flex;
    max-height: none;
    gap: 7px;
    overflow-x: auto;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
  }
  .docs-nav .group { display: none; }
  .docs-nav a {
    flex: 0 0 auto;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    padding: 0 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
  }
  .docs-nav a.active { padding-left: 13px; border-color: var(--orange); box-shadow: none; }
}

@media (max-width: 760px) {
  .protocol-hero { padding-top: 72px; }
  .protocol-hero h1 { font-size: clamp(49px, 14vw, 72px); }
  .docs-body h2 { font-size: 34px; }
  .docs-body pre { margin-inline: -2px; padding: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  .docs-nav a { transition: none; }
}