/* ========================================================================
   NXT02 — layout.css
   Container · Nav · Footer · Section · Paper texture
   ======================================================================== */

.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--roast {
  background: var(--roast);
  color: var(--cream);
}
.section--roast h1, .section--roast h2, .section--roast h3, .section--roast h4 { color: var(--cream); }
.section--roast .eyebrow { color: var(--saffron); }
.section--roast .eyebrow::before { color: var(--saffron); }

/* Paper background texture — visible cream warmth */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 25% 20%, rgba(184, 84, 80, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 75% 80%, rgba(232, 168, 44, 0.04) 0%, transparent 40%);
}

/* Top nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(245, 237, 216, 0.92);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--cream-deep);
}

.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) rotate(-2deg); }

.nav__links {
  display: flex;
  justify-content: center;
  gap: 40px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
}
.nav__links a {
  position: relative;
  padding: 4px 0;
  color: var(--roast);
  transition: color var(--duration) var(--ease-out);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 8px;
  background: var(--saffron);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
  transition: opacity var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
  z-index: -1;
}
.nav__links a:hover { color: var(--roast); }
.nav__links a:hover::after { opacity: 0.6; transform: scaleX(1); }

.nav__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  border: 1px solid var(--roast);
  border-radius: 999px;
  overflow: hidden;
}
.lang-switch button {
  padding: 6px 12px;
  background: transparent;
  color: var(--roast);
  text-transform: uppercase;
  transition: background var(--duration), color var(--duration);
}
.lang-switch button.is-active {
  background: var(--roast);
  color: var(--cream);
}

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

.nav__mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--cream);
  border-bottom: 1px solid var(--cream-deep);
  padding: 24px var(--gutter);
}
.nav__mobile a {
  display: block;
  padding: 14px 0;
  font-family: var(--font-display);
  font-size: 22px;
  border-bottom: 1px dashed var(--cream-deep);
}
.nav.is-open .nav__mobile { display: block; }

/* Footer */
.footer {
  background: var(--roast);
  color: var(--cream);
  padding: 80px var(--gutter) 32px;
  border-top: 4px solid var(--terra);
}
.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: 64px;
  width: auto;
  max-width: 100%;
  display: block;
  margin-bottom: 16px;
}
.footer__brand .footer__script {
  font-family: var(--font-script);
  font-size: 36px;
  color: var(--saffron);
  display: block;
  transform: rotate(-3deg);
  margin-bottom: 16px;
}
.footer__brand p { color: rgba(245, 237, 216, 0.6); max-width: 300px; }

.footer__col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--saffron);
  margin-bottom: 16px;
  font-weight: 500;
}
.footer__col ul li {
  margin-bottom: 8px;
  font-size: 14px;
  color: rgba(245, 237, 216, 0.7);
}
.footer__col a:hover { color: var(--cream); }

.footer__bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(245, 237, 216, 0.15);
  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: rgba(245, 237, 216, 0.5);
}