/* ═══════════════════════════════════════════════════════════
   Personas v2 — Layout, Nav, Page Structure
   ═══════════════════════════════════════════════════════════ */

.app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── NAV ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: var(--nav-height);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
  gap: 1rem;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.nav-logo span { color: var(--accent); }

.nav-logo .version {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.55rem;
  color: var(--muted2);
  margin-left: 0.4rem;
  letter-spacing: 0.1em;
}

.nav-tabs {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.nav-tab {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted2);
  padding: 0.45rem 0.9rem;
  border: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  text-decoration: none;
}

.nav-tab:hover {
  color: var(--text);
  border-color: var(--border);
}

.nav-tab.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.nav-tab.external::after {
  content: ' ↗';
  font-size: 0.7em;
  opacity: 0.6;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-clock {
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  min-width: 4.5rem;
  text-align: right;
}

/* ── MAIN ── */
.main {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* ── HERO ── */
.hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.hero-tag {
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.15s;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.03em;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.3s;
}

.hero-title span {
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.hero-title span::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  animation: lineReveal 0.6s ease forwards 0.9s;
}

.hero-sub {
  font-size: 0.75rem;
  color: var(--muted2);
  margin-top: 1.1rem;
  letter-spacing: 0.08em;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.45s;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.6s;
}

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.footer-block h4 {
  font-size: 0.6rem;
  color: var(--muted2);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}

.footer-block p,
.footer-block li {
  font-size: 0.7rem;
  color: var(--muted);
  line-height: 1.8;
}

.footer-block ol {
  padding-left: 1.1rem;
}

.footer-block a {
  color: var(--muted2);
  border-bottom: 1px solid var(--border);
}

.footer-block a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.footer-bottom {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.privacy-banner {
  background: var(--accent-dim);
  border: 1px solid rgba(0, 255, 136, 0.25);
  padding: 0.85rem 1.1rem;
  margin: 1.5rem 0 0;
  font-size: 0.7rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.privacy-banner .icon {
  color: var(--accent);
  flex-shrink: 0;
  font-size: 0.9rem;
}

.privacy-banner strong {
  color: var(--accent);
  font-weight: 700;
}

@media (max-width: 700px) {
  .nav {
    flex-wrap: wrap;
    height: auto;
    padding: 0.8rem 1rem;
    gap: 0.5rem;
  }

  .nav-tabs {
    order: 3;
    width: 100%;
    overflow-x: auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero {
    padding: 2.5rem 0 2rem;
  }
}