:root {
  --architecture-ink: #0d2f2b;
  --architecture-muted: #5b7471;
  --architecture-line: rgba(20, 104, 95, 0.18);
  --architecture-surface: rgba(255, 255, 255, 0.88);
  --architecture-accent: #078f84;
}

body.architecture-page {
  min-height: 100svh;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 8%, rgba(236, 205, 154, 0.28), transparent 32%),
    radial-gradient(circle at 88% 18%, rgba(74, 177, 171, 0.22), transparent 30%),
    #f4f7f2;
  color: var(--architecture-ink);
}

.architecture-main {
  box-sizing: border-box;
  height: calc(100svh - 72px);
  min-height: 0;
  padding: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  gap: 0;
}

.architecture-intro {
  width: min(100%, 1560px);
  margin: 0 auto;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.architecture-copy {
  min-width: 0;
}

.architecture-kicker {
  margin: 0 0 4px;
  color: var(--architecture-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.architecture-intro h1 {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", Georgia, serif;
  font-size: clamp(28px, 3vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.architecture-intro p:not(.architecture-kicker) {
  max-width: 880px;
  margin: 8px 0 0;
  color: var(--architecture-muted);
  font-size: clamp(13px, 1vw, 16px);
  line-height: 1.6;
}

.architecture-open {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--architecture-line);
  border-radius: 999px;
  background: var(--architecture-ink);
  color: #fff;
  font-weight: 750;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(13, 47, 43, 0.16);
  transition: transform 180ms ease, background 180ms ease;
}

.architecture-open:visited {
  color: #fff;
}

.architecture-open:hover,
.architecture-open:focus-visible {
  transform: translateY(-2px);
  background: var(--architecture-accent);
  color: #fff;
}

.architecture-frame {
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #f8fafc;
  box-shadow: none;
}

.architecture-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  border: 0;
  background: #f8fafc;
}

@media (max-width: 900px) {
  body.architecture-page {
    overflow: hidden;
  }

  .architecture-main {
    height: calc(100dvh - 64px);
    min-height: 0;
    padding: 0;
  }

  .architecture-frame iframe {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .architecture-open {
    transition: none;
  }
}