/* ════════════════════════════════════════════════════════════════════
   COVENANT.BIO — shared styles
   Dark, geometric sans, rust accent, stacked-manifesto poster system
   ════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:       #0b0b0b;
  --fg:       #ededed;
  --rust:     #791f1f;
  --rule:     rgba(237, 237, 237, 0.10);
  --mute:     rgba(237, 237, 237, 0.42);
  --gutter:   clamp(1.25rem, 4vw, 4rem);
  --gutter-y: clamp(1.5rem, 3vh, 2.5rem);
  --nav-h:    4.5rem;
}

html, body {
  width: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-weight: 400;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body { overflow-x: hidden; }

::selection { background: var(--rust); color: var(--bg); }

a { color: inherit; text-decoration: none; }

/* ──────────────────────────────────────────────────────────── poster */
.poster {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: var(--gutter-y) var(--gutter) calc(var(--gutter-y) + var(--nav-h));
}

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

/* ──────────────────────────────────────────────────────────── mast (top) */
.mast {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 0 1rem;
}

.wordmark {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--fg);
  user-select: none;
  transition: opacity 0.2s;
}

.wordmark:hover { opacity: 0.7; }

/* ──────────────────────────────────────────────────────────── stage (middle) */
.stage {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(2rem, 6vh, 5rem) 0;
  text-align: center;
}

.stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.05em;
}

.stack .line {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(3rem, 11vw, 9.5rem);
  line-height: 0.96;
  letter-spacing: -0.035em;
  color: var(--fg);
}

/* tighter for posters with longer per-line phrases */
.stack.compact .line {
  font-size: clamp(2.2rem, 7.4vw, 6rem);
  letter-spacing: -0.025em;
}

.stack .line.accent { color: var(--rust); }

/* ──────────────────────────────────────────────────────────── footplate */
.footplate {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.foot-left,
.foot-right {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 400;
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mute);
}

.foot-right { text-align: right; }

.foot-right .src {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.55rem;
  letter-spacing: 0.22em;
  color: rgba(237, 237, 237, 0.32);
  font-weight: 400;
  text-transform: uppercase;
}

.foot-center {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 0.58rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--rust);
}

/* ──────────────────────────────────────────────────────────── bottom nav */
.bottomnav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  justify-content: center;
  gap: clamp(2rem, 8vw, 6rem);
  padding: 1.4rem var(--gutter);
  background: rgba(11, 11, 11, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--rule);
  height: var(--nav-h);
}

.nav-link {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--mute);
  transition: color 0.2s;
  position: relative;
}

.nav-link:hover { color: var(--fg); }

.nav-link.active {
  color: var(--rust);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: -14px;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--rust);
  border-radius: 50%;
  transform: translateY(-50%);
}

/* ──────────────────────────────────────────────────────────── responsive */
@media (max-width: 720px) {
  :root { --nav-h: 4rem; }

  .footplate {
    grid-template-columns: 1fr;
    gap: 0.6rem;
    text-align: center;
  }
  .foot-right { text-align: center; }
  .foot-center { display: none; }

  .stack .line { font-size: clamp(2.6rem, 14vw, 4.5rem); }
  .stack.compact .line { font-size: clamp(1.7rem, 8.4vw, 3.4rem); }

  .wordmark { font-size: 0.68rem; letter-spacing: 0.28em; }

  .bottomnav { gap: 0.9rem; padding: 1.1rem 0.6rem; }
  .nav-link { font-size: 0.55rem; letter-spacing: 0.24em; }
  .nav-link.active::before { left: -8px; width: 4px; height: 4px; }
}