.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  width: 100%;
}

section {
  position: relative;
  padding: clamp(80px, 10vw, 160px) 0;
}

section + section { border-top: 1px solid var(--rule); }

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: clamp(48px, 6vw, 96px);
}
.section-head .eyebrow { margin-bottom: 8px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-family: 'Geist', sans-serif;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform .25s var(--ease-out), background .25s;
  border: 1px solid var(--ink);
}
.btn:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.btn .arrow { transition: transform .25s var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule-strong);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.rule {
  height: 1px;
  background: var(--rule);
  width: 100%;
}

.rule-strong { background: var(--rule-strong); }

/* page chrome - margin rulers like an editorial layout */
.page-frame {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.page-frame::before,
.page-frame::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--rule);
  opacity: 0.6;
}
.page-frame::before { left: clamp(20px, 4vw, 56px); }
.page-frame::after { right: clamp(20px, 4vw, 56px); }

@media (max-width: 720px) {
  .page-frame { display: none; }
}

/* navbar */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background .3s, backdrop-filter .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(242, 238, 227, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--rule);
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 24px;
  letter-spacing: -0.01em;
}
.nav-logo .mark {
  flex: 0 0 auto;
}
.nav-logo .mark {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--ink);
  position: relative;
  overflow: hidden;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-logo .mark::before,
.nav-logo .mark::after {
  content: "";
  position: absolute;
  background: var(--accent);
}
.nav-logo .mark::before {
  left: 0; right: 0; top: 50%;
  height: 2px;
  transform: translateY(-50%);
}
.nav-logo .mark::after {
  top: 0; bottom: 0; left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: var(--paper);
}
.nav-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-meta .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #2DBE6C;
  box-shadow: 0 0 0 4px rgba(45, 190, 108, 0.18);
}
.nav-cta {
  padding: 10px 16px;
  font-size: 13px;
}

@media (max-width: 720px) {
  .nav-meta .live-label { display: none; }
}

main { padding-top: 0; }