/* ---------- Top bar ---------- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--pad-x);
  color: var(--ink);
}
.topbar .mark {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.topbar .mark .ampersand { font-style: italic; color: var(--accent); }
.topbar .mark .meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-left: 14px;
}
.topbar nav {
  display: flex; gap: 36px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.topbar nav a { position: relative; padding: 4px 0; }
.topbar nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s var(--ease);
}
.topbar nav a:hover::after { transform: scaleX(1); transform-origin: left; }
@media (max-width: 900px) {
  .topbar nav { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  position: relative;
  padding-top: 110px;
  padding-bottom: 64px;
  display: grid;
  grid-template-rows: 1fr auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(24px, 5vw, 80px);
  align-items: end;
  padding-bottom: 80px;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero h1 {
  font-family: var(--heading-font);
  font-size: var(--heading-size);
  line-height: var(--heading-leading);
  letter-spacing: var(--heading-tracking);
  font-weight: var(--heading-weight);
  margin: 0;
}
.hero h1 em { font-style: normal; font-weight: 500; }
.hero h1 .accent { color: var(--accent); font-style: normal; font-weight: 500; }
.hero-aside {
  display: grid;
  gap: 28px;
  padding-bottom: 14px;
  max-width: 380px;
}
.hero-aside p {
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  padding-top: 22px;
  gap: 16px;
}
.hero-meta .item .num {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero-meta .item.highlight .num { color: var(--accent); }
.hero-meta .item .lab {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}
@media (max-width: 720px) {
  .hero-meta { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
}

.hero-strip {
  display: grid;
  grid-template-columns: 1fr 1.2fr 0.85fr;
  gap: 8px;
  height: clamp(140px, 20vw, 260px);
  margin-top: 28px;
}
.hero-strip .plate {
  position: relative;
  overflow: hidden;
  background: var(--bg-2);
  border-radius: 2px;
}
.hero-strip .plate {
  opacity: 0;
  animation: plateFade 0.9s var(--ease-out) forwards;
  animation-delay: 0.35s;
}
.hero-strip .plate:nth-child(2) { animation-delay: 0.5s; }
.hero-strip .plate:nth-child(3) { animation-delay: 0.65s; }
@keyframes plateFade {
  to { opacity: 1; }
}

.placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #E4E5E6 0%, #CFCFD1 100%);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 14px;
}
.placeholder.dark {
  background: linear-gradient(160deg, #636365 0%, #454547 100%);
  color: var(--paper);
}
.placeholder.warm {
  background: linear-gradient(160deg, #C4C4C6 0%, #AAABB0 100%);
}
.placeholder .tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--paper);
  color: var(--ink);
  padding: 6px 10px;
  border-radius: 999px;
}
.placeholder.dark .tag { background: var(--ink); color: var(--paper); }

.hero-foot {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}
.hero-foot .scroll-cta {
  display: flex; align-items: center; gap: 12px;
  justify-self: center;
}
.hero-foot .scroll-cta .ring {
  width: 32px; height: 32px;
  border: 1px solid var(--line-2);
  display: grid; place-items: center;
  font-size: 12px;
  transition: border-color 0.3s var(--ease);
}
.hero-foot .scroll-cta:hover .ring { border-color: var(--ink); }
.hero-foot .right { justify-self: end; }
@media (max-width: 720px) {
  .hero-foot { grid-template-columns: 1fr; text-align: center; }
  .hero-foot .right { justify-self: center; }
}