/* ========================================================================
   NXT01 — layout.css
   Container · Nav · Footer · Section scaffold · Grain overlay
   ======================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding-top: var(--section-pad);
  padding-bottom: var(--section-pad);
  position: relative;
}

.section--ink {
  background: var(--ink);
  color: var(--paper);
}
.section--ink h1, .section--ink h2, .section--ink h3, .section--ink h4 { color: var(--paper); }
.section--ink .label, .section--ink .eyebrow { color: var(--paper-warm); }
.section--ink .eyebrow::before { background: var(--paper-warm); }

/* Top meta strip --- shows on every page like a console header */
.meta-strip {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 28px;
  background: var(--ink);
  color: var(--paper-warm);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  z-index: 1001;
  border-bottom: 1px solid #454543;
}
.meta-strip .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  margin-right: 8px;
  animation: pulse 2.4s ease-in-out infinite;
}
.meta-strip__group { display: inline-flex; align-items: center; gap: 16px; }
.meta-strip__sep { opacity: 0.4; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* Main navigation */
.nav {
  position: fixed;
  top: 28px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(244, 239, 230, 0.86);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: var(--hairline-stone);
  transition: background var(--duration) var(--ease-out);
}

.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.brand__logo {
  height: 36px;
  width: auto;
  max-width: none;
  display: block;
  flex-shrink: 0;
  transition: transform var(--duration) var(--ease-out);
}
.brand:hover .brand__logo { transform: scale(1.04); }

.nav__links {
  display: flex;
  justify-content: center;
  gap: 32px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.nav__links a {
  position: relative;
  padding: 4px 0;
  color: var(--ink);
  transition: color var(--duration) var(--ease-out);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 1px;
  width: 0;
  background: var(--coral);
  transition: width var(--duration) var(--ease-out);
}
.nav__links a:hover { color: var(--coral); }
.nav__links a:hover::after { width: 100%; }

.nav__right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lang-switch {
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  border: 1px solid var(--ink);
  border-radius: 999px;
  overflow: hidden;
}
.lang-switch button {
  padding: 6px 12px;
  background: transparent;
  text-transform: uppercase;
  transition: background var(--duration) var(--ease-out), color var(--duration) var(--ease-out);
}
.lang-switch button.is-active {
  background: var(--ink);
  color: var(--paper);
}

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
}
.nav-toggle__bar {
  display: block;
  width: 14px;
  height: 1px;
  background: var(--ink);
  position: relative;
}
.nav-toggle__bar::before, .nav-toggle__bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 14px;
  height: 1px;
  background: var(--ink);
}
.nav-toggle__bar::before { top: -5px; }
.nav-toggle__bar::after  { top: 5px; }

/* Mobile dropdown */
.nav__mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--paper);
  border-bottom: var(--hairline);
  padding: 24px var(--gutter);
}
.nav__mobile a {
  display: block;
  padding: 12px 0;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 14px;
  border-bottom: var(--hairline-stone);
}
.nav.is-open .nav__mobile { display: block; }

/* Footer */
.footer {
  padding: 80px var(--gutter) 32px;
  border-top: 1px solid #454543;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

.footer__top {
  max-width: var(--container-max);
  margin: 0 auto 64px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer__logo {
  height: 56px;
  width: auto;
  max-width: 100%;
  display: block;
  margin-bottom: 20px;
}
.footer__brand p { color: var(--ash-soft); max-width: 340px; }

.footer__col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--paper-warm);
  margin-bottom: 16px;
  font-weight: 400;
}
.footer__col ul li {
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--ash-soft);
}
.footer__col a:hover { color: var(--coral); }

.footer__bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid #454543;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ash-soft);
}

/* Grain overlay — subtle film noise across the whole site */
.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  opacity: 0.06;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}