/* =============================================================================
   Adunai · Protocol site · edge-to-edge mega-menu + grants + governance flow
   Layered over home-light.css + protocol.css.
   ============================================================================= */

/* ---- header nav (top-level buttons) ---- */
.hdr { overflow: visible; }
.nav-top {
  font-family: var(--font-ui); font-size: 14.5px; font-weight: 500;
  color: var(--muted); background: none; border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 2px;
  transition: color 200ms ease;
}
.nav-top:hover, .nav-top[aria-expanded="true"] { color: var(--ink); }
.nav-top, .hdr-cta, .hdr-cta-ghost { white-space: nowrap; }
@media (max-width: 1240px) { .hdr-nav { gap: 20px; } .nav-top { font-size: 13.5px; } }
@media (max-width: 860px) { .nav-top { display: none; } }
.nav-top .caret {
  width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 250ms cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-top[aria-expanded="true"] .caret { transform: rotate(225deg) translateY(-1px); }
.hdr-actions { display: flex; align-items: center; gap: 10px; }
.lang-chip {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em;
  color: var(--muted); border: 1px solid var(--border); border-radius: 999px;
  padding: 7px 12px; background: var(--white); cursor: pointer;
}
.lang-chip b { color: var(--gold-600); font-weight: 600; }
.hdr-cta-ghost {
  font-size: 14px; font-weight: 600; color: var(--ink);
  border: 1.5px solid var(--border); border-radius: 999px; padding: 10px 20px;
  background: var(--white); transition: border-color 200ms ease;
}
.hdr-cta-ghost:hover { border-color: var(--teal-500); }
@media (max-width: 1100px) { .hdr-cta-ghost, .lang-chip { display: none; } }

/* ---- mega panel · edge-to-edge ---- */
.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 40px 80px -40px rgba(10,59,54,0.35);
  display: none;
}
.mega.open { display: block; animation: mega-in 320ms cubic-bezier(0.22, 1.1, 0.36, 1); }
html:not(.motion-ok) .mega.open { animation: none; }
@keyframes mega-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

.mega-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(28px, 3vw, 44px) var(--gutter);
  display: grid; grid-template-columns: 2.6fr 1fr;
  gap: clamp(28px, 4vw, 64px);
}
.mega-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 48px); align-content: start; }
.mega-col h6 {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold-600); margin: 0 0 14px; font-weight: 500;
}
.mega-col a {
  display: block; padding: 8px 0;
  border-bottom: 1px solid var(--border-soft);
  transition: padding-left 250ms cubic-bezier(0.22, 1, 0.36, 1);
}
.mega-col a:last-child { border-bottom: none; }
.mega-col a:hover { padding-left: 6px; }
.mega-col a .mn { font-size: 14px; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.mega-col a .md { font-size: 12px; color: var(--muted); margin-top: 2px; line-height: 1.45; }
.mega-col .soon {
  font-family: var(--font-mono); font-size: 8.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gold-600); border: 1px solid var(--border-gold); border-radius: 999px; padding: 1.5px 7px;
}

/* feature tile */
.mega-tile {
  border-radius: var(--radius-sm);
  padding: 24px;
  display: grid; gap: 10px; align-content: start;
  background: linear-gradient(150deg, var(--teal-tint), var(--gold-tint));
  border: 1px solid var(--border-soft);
  transition: transform 300ms cubic-bezier(0.22, 1, 0.36, 1);
}
.mega-tile:hover { transform: translateY(-3px); }
.mega-tile .mt-eyebrow { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--teal-400); }
.mega-tile .mt-title { font-family: var(--font-display); font-weight: 650; font-size: 18px; letter-spacing: -0.015em; color: var(--ink); line-height: 1.25; }
.mega-tile .mt-desc { font-size: 12.5px; color: var(--text); line-height: 1.55; }
.mega-tile .mt-cta { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-700); margin-top: 6px; }

@media (max-width: 1100px) {
  .mega-inner { grid-template-columns: 1fr; }
  .mega-tile { display: none; }
  .mega-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) { .mega { display: none !important; } }

/* backdrop dim */
.mega-dim {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(16,35,31,0.16);
  opacity: 0; pointer-events: none;
  transition: opacity 250ms ease;
}
.mega-dim.on { opacity: 1; }

/* =============================================================================
   GRANTS
   ============================================================================= */
.grants { background: var(--gold-tint); }
.grants-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.grants-badge {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold-700); background: var(--white); border: 1px solid var(--border-gold);
  border-radius: 999px; padding: 8px 16px; white-space: nowrap;
}
.grants-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold-500); }
.tracks { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: clamp(36px, 4vw, 52px); }
@media (max-width: 1080px) { .tracks { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .tracks { grid-template-columns: 1fr; } }
.track {
  background: var(--white); border: 1px solid var(--border-soft); border-radius: var(--radius-sm);
  padding: 24px 22px; display: grid; gap: 10px; align-content: start;
  transition: transform 350ms cubic-bezier(0.22, 1.1, 0.36, 1), box-shadow 300ms ease;
}
.track:hover { transform: translateY(-4px); box-shadow: 0 24px 44px -34px rgba(10,59,54,0.45); }
.track .tk-num { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; color: var(--gold-600); }
.track h4 { font-family: var(--font-display); font-weight: 650; font-size: 16.5px; letter-spacing: -0.01em; color: var(--ink); line-height: 1.25; }
.track p { font-size: 12.5px; color: var(--muted); line-height: 1.55; }

/* =============================================================================
   GOVERNANCE · process flow
   ============================================================================= */
.gov-flow {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 14px; margin: clamp(36px, 4vw, 52px) 0;
  position: relative;
}
@media (max-width: 960px) { .gov-flow { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .gov-flow { grid-template-columns: 1fr; } }
.gf-step {
  background: var(--white); border: 1px solid var(--border-soft); border-radius: var(--radius-sm);
  padding: 24px 22px; display: grid; gap: 10px; align-content: start; position: relative;
}
.gf-step .gf-n {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--teal-tint); color: var(--teal-500);
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  display: grid; place-items: center;
}
.gf-step h4 { font-family: var(--font-display); font-weight: 650; font-size: 16.5px; letter-spacing: -0.01em; color: var(--ink); }
.gf-step p { font-size: 12.5px; color: var(--muted); line-height: 1.55; }
.gf-step .gf-meta { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-600); }
.gf-step::after {
  content: '→'; position: absolute; right: -14px; top: 50%; transform: translateY(-50%);
  color: var(--gold-500); font-size: 15px; z-index: 1;
}
.gf-step:last-child::after { display: none; }
@media (max-width: 960px) { .gf-step::after { display: none; } }

.gov-road {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-top: 8px;
}
.gov-road .road-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); margin-right: 6px; }
.road-chip {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em;
  color: var(--text); background: var(--white); border: 1px solid var(--border);
  border-radius: 999px; padding: 7px 14px;
}
.road-chip b { color: var(--teal-500); font-weight: 600; }
.road-chip.now { border-color: var(--teal-400); color: var(--teal-500); }

/* ============================== mobile navigation ============================== */
.m-burger { display: none; }
@media (max-width: 860px) {
  .m-burger { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 42px; height: 42px; padding: 0 9px; margin-right: -6px; background: none; border: 0; cursor: pointer; }
  .m-burger span { display: block; height: 2px; width: 22px; background: var(--ink); border-radius: 2px;
    transition: transform .25s var(--ease), opacity .18s var(--ease); }
  .m-burger.is-x span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .m-burger.is-x span:nth-child(2) { opacity: 0; }
  .m-burger.is-x span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
.m-drawer { position: fixed; inset: 0; z-index: 55; background: var(--paper);
  overflow-y: auto; -webkit-overflow-scrolling: touch; opacity: 0; transition: opacity .24s var(--ease); }
.m-drawer.open { opacity: 1; }
.m-drawer-inner { padding: 92px 24px 48px; max-width: 560px; margin: 0 auto; }
.m-acc { border-bottom: 1px solid var(--border-soft); }
.m-acc-h { width: 100%; display: flex; align-items: center; justify-content: space-between;
  background: none; border: 0; padding: 18px 2px; cursor: pointer;
  font-family: var(--font-display); font-weight: 600; font-size: 21px; letter-spacing: -0.01em; color: var(--ink); }
.m-acc-caret { width: 9px; height: 9px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(45deg); transition: transform .24s var(--ease); flex: none; }
.m-acc.open .m-acc-caret { transform: rotate(225deg); }
.m-acc-body { display: none; padding: 0 2px 16px; }
.m-acc.open .m-acc-body { display: block; }
.m-link { display: block; padding: 9px 0; font-size: 15.5px; color: var(--text); }
.m-link.is-soon { color: var(--muted); opacity: .55; }
.m-cta { display: flex; flex-direction: column; gap: 12px; margin-top: 34px; }
.m-cta a { text-align: center; padding: 14px; border-radius: 999px; font-weight: 600; font-size: 15px; }
.m-cta-ghost { border: 1px solid var(--border); color: var(--ink); }
.m-cta-solid { background: var(--teal-500); color: #fff; }

/* inert "Soon" mega stubs (no navigation) */
.mega-col a.soon-stub { pointer-events: none; cursor: default; opacity: .58; }